/* ============================================================
   JUD-FUN.COM — Design System
   เว็บไซต์ให้ความรู้เรื่องจัดฟัน
   ============================================================ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Noto+Sans+Thai:wght@300;400;500;600;700;800;900&display=swap');

/* ============================================================
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================================ */
:root {
  /* ── Primary Palette (Professional Blue — dental-clean & trustworthy) ── */
  --color-primary-50:  #eff6ff;
  --color-primary-100: #dbeafe;
  --color-primary-200: #bfdbfe;
  --color-primary-300: #93c5fd;
  --color-primary-400: #60a5fa;
  --color-primary-500: #3b82f6;
  --color-primary-600: #2563eb;
  --color-primary-700: #1d4ed8;
  --color-primary-800: #1e40af;
  --color-primary-900: #1e3a8a;

  /* ── Accent (Sky Blue — สดใส — ใช้สำหรับ CTA, badges) ── */
  --color-accent-400: #38bdf8;
  --color-accent-500: #0ea5e9;
  --color-accent-600: #0284c7;

  /* ── Success / Warning / Error ── */
  --color-success-400: #4ade80;
  --color-success-500: #22c55e;
  --color-success-600: #16a34a;
  --color-warning-400: #fbbf24;
  --color-warning-500: #f59e0b;
  --color-warning-600: #d97706;
  --color-error-400:   #f87171;
  --color-error-500:   #ef4444;
  --color-error-600:   #dc2626;

  /* ── Neutrals ── */
  --color-white:    #ffffff;
  --color-gray-50:  #f8fafc;
  --color-gray-100: #f1f5f9;
  --color-gray-200: #e2e8f0;
  --color-gray-300: #cbd5e1;
  --color-gray-400: #94a3b8;
  --color-gray-500: #64748b;
  --color-gray-600: #475569;
  --color-gray-700: #334155;
  --color-gray-800: #1e293b;
  --color-gray-900: #0f172a;
  --color-gray-950: #020617;

  /* ── Semantic Colors ── */
  --color-bg:            #ffffff;
  --color-bg-alt:        #f0f6ff;
  --color-bg-card:       #ffffff;
  --color-surface:       #ffffff;
  --color-surface-alt:   #f0f6ff;
  --color-text:          #1e293b;
  --color-text-body:     #334155;
  --color-text-muted:    #64748b;
  --color-text-heading:  #0f172a;
  --color-border:        #dbeafe;
  --color-link:          #2563eb;
  --color-link-hover:    #1d4ed8;

  /* ── Gradients (Professional Blue tone) ── */
  --gradient-primary: linear-gradient(135deg, #1d4ed8 0%, #0ea5e9 100%);
  --gradient-hero:    linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 50%, #0369a1 100%);
  --gradient-card:    linear-gradient(145deg, rgba(37,99,235,0.04) 0%, rgba(14,165,233,0.04) 100%);
  --gradient-glass:   linear-gradient(135deg, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0.05) 100%);

  /* ── Typography ── */
  --font-thai: 'Noto Sans Thai', 'Segoe UI', Tahoma, sans-serif;
  --font-latin: 'Inter', 'Segoe UI', Tahoma, sans-serif;
  --font-body: var(--font-thai);
  --font-heading: var(--font-thai);

  --text-xs:   0.75rem;    /* 12px */
  --text-sm:   0.875rem;   /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-lg:   1.125rem;   /* 18px */
  --text-xl:   1.25rem;    /* 20px */
  --text-2xl:  1.5rem;     /* 24px */
  --text-3xl:  1.875rem;   /* 30px */
  --text-4xl:  2.25rem;    /* 36px */
  --text-5xl:  3rem;       /* 48px */
  --text-6xl:  3.75rem;    /* 60px */

  --leading-tight:  1.25;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;

  /* ── Spacing ── */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* ── Border Radius ── */
  --radius-sm:   0.375rem;
  --radius-md:   0.5rem;
  --radius-lg:   0.75rem;
  --radius-xl:   1rem;
  --radius-2xl:  1.5rem;
  --radius-full: 9999px;

  /* ── Shadows ── */
  --shadow-sm:   0 1px 2px rgba(0,0,0,0.05);
  --shadow-md:   0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg:   0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
  --shadow-xl:   0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.05);
  --shadow-2xl:  0 25px 50px -12px rgba(0,0,0,0.15);
  --shadow-glow: 0 0 20px rgba(37,99,235,0.25);
  --shadow-glass: 0 8px 32px rgba(30,64,175,0.08);

  /* ── Transitions ── */
  --transition-fast:   150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow:   500ms ease;
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* ── Z-Index ── */
  --z-dropdown:  100;
  --z-sticky:    200;
  --z-navbar:    300;
  --z-overlay:   400;
  --z-modal:     500;
  --z-toast:     600;

  /* ── Container ── */
  --container-max: 1200px;
  --container-padding: var(--space-6);

  /* ── Navbar ── */
  --navbar-height: 72px;
}

/* ── Dark Mode ── */
[data-theme="dark"] {
  --color-bg:           #0c1220;
  --color-bg-alt:       #111827;
  --color-bg-card:      #1a2540;
  --color-surface:      #1a2540;
  --color-surface-alt:  #111827;
  --color-text:         #e2e8f0;
  --color-text-body:    #cbd5e1;
  --color-text-muted:   #94a3b8;
  --color-text-heading: #f0f6ff;
  --color-border:       #1e40af30;
  --color-link:         var(--color-primary-300);
  --color-link-hover:   var(--color-primary-200);

  --gradient-hero:  linear-gradient(135deg, #0c1220 0%, #0f2460 50%, #0c3461 100%);
  --gradient-card:  linear-gradient(145deg, rgba(37,99,235,0.12) 0%, rgba(14,165,233,0.08) 100%);

  --shadow-sm:   0 1px 2px rgba(0,0,0,0.4);
  --shadow-md:   0 4px 6px -1px rgba(0,0,0,0.5), 0 2px 4px -2px rgba(0,0,0,0.4);
  --shadow-lg:   0 10px 15px -3px rgba(0,0,0,0.5), 0 4px 6px -4px rgba(0,0,0,0.4);
  --shadow-xl:   0 20px 25px -5px rgba(0,0,0,0.6), 0 8px 10px -6px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 30px rgba(37,99,235,0.4);
}

/* ============================================================
   2. RESET & BASE
   ============================================================ */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--navbar-height);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-link);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-link-hover);
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}

/* ============================================================
   3. LAYOUT UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--space-20) 0;
}

.section--alt {
  background-color: var(--color-bg-alt);
}

.section--dark {
  background: var(--gradient-hero);
  color: var(--color-white);
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  background: var(--gradient-card);
  border: 1px solid var(--color-primary-200);
  color: var(--color-primary-600);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

[data-theme="dark"] .section__badge {
  border-color: var(--color-primary-700);
  color: var(--color-primary-300);
}

.section__title {
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--color-text-heading);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-4);
}

.section__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto;
}

.grid {
  display: grid;
  gap: var(--space-6);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--5 { grid-template-columns: repeat(5, 1fr); }

@media (max-width: 1100px) {
  .grid--4, .grid--5 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid--2, .grid--3, .grid--4, .grid--5 { grid-template-columns: 1fr; }
}

@media (max-width: 1024px) {
  .grid--4, .grid--5 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .grid--2, .grid--3, .grid--4, .grid--5 {
    grid-template-columns: repeat(2, 1fr);
  }
  .section__title { font-size: var(--text-3xl); }
  .section { padding: var(--space-12) 0; }
}

@media (max-width: 480px) {
  .grid--2, .grid--3, .grid--4, .grid--5 {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   4. NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-navbar);
  height: var(--navbar-height);
  transition: all var(--transition-normal);
}

/* Background & Blur moved to pseudo-element to avoid 'containing block' for fixed children */
.navbar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--color-border);
  z-index: -1;
  transition: all var(--transition-normal);
}

[data-theme="dark"] .navbar::before {
  background: rgba(15,13,26,0.9);
}

.navbar.scrolled::before {
  box-shadow: var(--shadow-md);
}

/* On mobile, when menu is open, we can toggle navbar-wide states if needed */
.navbar.is-menu-open::before {
  background: var(--color-bg);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}


.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-text-heading);
  text-decoration: none;
}

.navbar__logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: white;
  box-shadow: var(--shadow-glow);
}

.navbar__logo span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar__menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.navbar__link {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.navbar__link:hover {
  color: var(--color-primary-600);
  background: var(--color-primary-50);
}

[data-theme="dark"] .navbar__link:hover {
  background: rgba(37,99,235,0.1);
}

.navbar__link--active {
  color: var(--color-primary-600);
  font-weight: 600;
}

/* ── Dropdown ── */
.navbar__dropdown {
  position: relative;
}

.navbar__dropdown-toggle {
  cursor: pointer;
}

.navbar__dropdown-toggle::after {
  content: '';
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  margin-left: var(--space-1);
  transition: transform var(--transition-fast);
}

.navbar__dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 220px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: var(--z-dropdown);
}

.navbar__dropdown:hover .navbar__dropdown-menu,
.navbar__dropdown:focus-within .navbar__dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.navbar__dropdown:hover .navbar__dropdown-toggle::after {
  transform: rotate(180deg);
}

.navbar__dropdown-menu a {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.navbar__dropdown-menu a:hover {
  background: var(--color-primary-50);
  color: var(--color-primary-600);
}

[data-theme="dark"] .navbar__dropdown-menu a:hover {
  background: rgba(37,99,235,0.1);
}

.navbar__dropdown-menu .dropdown-icon {
  font-size: 1.2rem;
  width: 28px;
  text-align: center;
}

/* ── Navbar Actions ── */
.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.navbar__theme-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: 1.2rem;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.navbar__theme-toggle:hover {
  background: var(--color-gray-100);
  color: var(--color-text);
}

[data-theme="dark"] .navbar__theme-toggle:hover {
  background: var(--color-gray-800);
}

/* ── Mobile Hamburger ── */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: var(--radius-md);
}

.navbar__hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: all var(--transition-fast);
}

.navbar__hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(4px, 6px);
}

.navbar__hamburger.active span:nth-child(2) {
  opacity: 0;
}

.navbar__hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -6px);
}

@media (max-width: 1024px) {
  .navbar__hamburger { display: flex; }

  .navbar__menu {
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--color-bg);
    padding: var(--space-4);
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    z-index: var(--z-overlay);
  }

  .navbar__menu.open {
    transform: translateX(0);
    visibility: visible;
  }

  .navbar__link {
    padding: var(--space-4);
    font-size: var(--text-base);
    border-bottom: 1px solid var(--color-border);
  }

  .navbar__dropdown-menu {
    position: static !important;
    transform: none !important;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
    border: none;
    padding-left: var(--space-2);
    display: none;
    background: transparent;
    width: 100%;
  }

  .navbar__dropdown.open .navbar__dropdown-menu {
    display: block;
    margin-top: var(--space-1);
    margin-bottom: var(--space-2);
  }

  .navbar__dropdown.open .navbar__dropdown-toggle::after {
    transform: rotate(180deg) !important;
  }

  .navbar__dropdown-toggle::after {
    margin-left: auto;
  }
}

/* ============================================================
   5. HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--navbar-height);
  background: var(--gradient-hero);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 600px 600px at 20% 50%, rgba(37,99,235,0.15) 0%, transparent 70%),
    radial-gradient(ellipse 400px 400px at 80% 80%, rgba(14,165,233,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__content {
  color: var(--color-white);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  background: rgba(37,99,235,0.2);
  border: 1px solid rgba(37,99,235,0.4);
  color: var(--color-primary-200);
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-6);
  backdrop-filter: blur(10px);
}

.hero__title {
  font-size: var(--text-5xl);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: var(--space-6);
}

.hero__title-accent {
  background: linear-gradient(135deg, #60a5fa, #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__desc {
  font-size: var(--text-lg);
  color: var(--color-gray-300);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
  max-width: 520px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.hero__stats {
  display: flex;
  gap: var(--space-10);
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.1);
}

.hero__stat-number {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-white);
}

.hero__stat-label {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  margin-top: var(--space-1);
}

.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.hero__image {
  width: 100%;
  max-width: 520px;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  animation: heroFloat 6s ease-in-out infinite;
}

.hero-slider {
  position: relative;
  width: 100%;
  max-width: 520px;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
  animation: heroFloat 6s ease-in-out infinite;
  transform-origin: center;
}

.hero-slider__track {
  display: flex;
  transition: transform 0.5s ease-in-out;
  width: 100%;
}

.hero-slider__slide {
  min-width: 100%;
}

.hero-slider__slide img {
  width: 100%;
  height: auto;
  display: block;
}

.hero-slider__dots {
  position: absolute;
  bottom: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-2);
  z-index: 10;
}

.hero-slider__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.hero-slider__dot.active {
  background: var(--color-white);
  transform: scale(1.2);
}

@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

/* ── Floating Particles ── */
.hero__particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero__particle {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(37,99,235,0.3);
  animation: particleFloat 15s linear infinite;
}

.hero__particle:nth-child(2) { left: 20%; animation-delay: -3s; background: rgba(14,165,233,0.3); width: 8px; height: 8px; }
.hero__particle:nth-child(3) { left: 40%; animation-delay: -7s; width: 4px; height: 4px; }
.hero__particle:nth-child(4) { left: 60%; animation-delay: -11s; background: rgba(56,189,248,0.2); width: 10px; height: 10px; }
.hero__particle:nth-child(5) { left: 80%; animation-delay: -5s; width: 5px; height: 5px; }
.hero__particle:nth-child(6) { left: 90%; animation-delay: -9s; background: rgba(56,189,248,0.3); }

@keyframes particleFloat {
  0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-100px) rotate(720deg); opacity: 0; }
}

@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding-top: calc(var(--navbar-height) + var(--space-10));
    padding-bottom: var(--space-12);
  }

  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__title {
    font-size: var(--text-3xl);
  }

  .hero__desc {
    margin: 0 auto var(--space-8);
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__stats {
    justify-content: center;
    gap: var(--space-6);
  }

  .hero__visual {
    order: -1;
  }

  .hero__image {
    max-width: 320px;
  }
}

/* ============================================================
   6. BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-lg);
  white-space: nowrap;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(255,255,255,0.15), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::before {
  opacity: 1;
}

.btn--primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 15px rgba(37,99,235,0.3);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37,99,235,0.4);
  color: white;
}

.btn--secondary {
  background: rgba(255,255,255,0.1);
  color: var(--color-white);
  border: 1px solid rgba(255,255,255,0.2);
  backdrop-filter: blur(10px);
}

.btn--secondary:hover {
  background: rgba(255,255,255,0.2);
  color: white;
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary-600);
  border: 2px solid var(--color-primary-500);
}

.btn--outline:hover {
  background: var(--color-primary-500);
  color: white;
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  padding: var(--space-2) var(--space-4);
}

.btn--ghost:hover {
  background: var(--color-gray-100);
}

[data-theme="dark"] .btn--ghost:hover {
  background: var(--color-gray-800);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  border-radius: var(--radius-xl);
}

.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

.btn--block {
  width: 100%;
}

/* ============================================================
   7. CARDS
   ============================================================ */
.card {
  position: relative;
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary-200);
}

[data-theme="dark"] .card:hover {
  border-color: var(--color-primary-700);
}

.card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card__body {
  padding: var(--space-6);
}

.card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  font-size: 1.6rem;
  margin-bottom: var(--space-4);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
}

.card__tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.card__tag--student {
  background: rgba(34,197,94,0.1);
  color: var(--color-success-500);
  border: 1px solid rgba(34,197,94,0.2);
}

.card__tag--pro {
  background: rgba(37,99,235,0.1);
  color: var(--color-primary-500);
  border: 1px solid rgba(37,99,235,0.2);
}

.card__title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: var(--space-3);
  line-height: var(--leading-tight);
}

.card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.card__price {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary-600);
  margin-bottom: var(--space-2);
}

.card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.card__meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* ── Card Variations ── */
.card--glass {
  background: var(--gradient-glass);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--color-white);
}

.card--glass .card__title {
  color: var(--color-white);
}

.card--glass .card__desc {
  color: var(--color-gray-300);
}

.card--featured {
  border: 2px solid var(--color-primary-400);
  box-shadow: var(--shadow-glow);
}

.card--horizontal {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

@media (max-width: 768px) {
  .card--horizontal { grid-template-columns: 1fr; }
}

/* ============================================================
   8. PERSONA SWITCHER
   ============================================================ */
.persona-switcher {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.persona-card {
  position: relative;
  padding: var(--space-8);
  border-radius: var(--radius-2xl);
  border: 2px solid var(--color-border);
  background: var(--color-bg-card);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  overflow: hidden;
}

.persona-card::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.persona-card--student::before {
  background: linear-gradient(135deg, rgba(34,197,94,0.05) 0%, rgba(14,165,233,0.05) 100%);
}

.persona-card--pro::before {
  background: linear-gradient(135deg, rgba(37,99,235,0.05) 0%, rgba(236,72,153,0.05) 100%);
}

.persona-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.persona-card:hover::before {
  opacity: 1;
}

.persona-card--student:hover {
  border-color: var(--color-success-400);
}

.persona-card--pro:hover {
  border-color: var(--color-primary-400);
}

.persona-card__emoji {
  font-size: 3.5rem;
  margin-bottom: var(--space-4);
  display: block;
}

.persona-card__title {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-text-heading);
  margin-bottom: var(--space-3);
}

.persona-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.persona-card__features {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.persona-card__feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text);
}

.persona-card__feature-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 0.75rem;
  flex-shrink: 0;
}

.persona-card--student .persona-card__feature-icon {
  background: rgba(34,197,94,0.1);
  color: var(--color-success-500);
}

.persona-card--pro .persona-card__feature-icon {
  background: rgba(37,99,235,0.1);
  color: var(--color-primary-500);
}

@media (max-width: 768px) {
  .persona-switcher {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   9. COMPARISON TABLE
   ============================================================ */
.comparison-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.comparison-table thead {
  background: var(--gradient-primary);
  color: white;
}

.comparison-table th {
  padding: var(--space-4) var(--space-5);
  font-weight: 600;
  text-align: left;
  white-space: nowrap;
}

.comparison-table td {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.comparison-table tbody tr {
  transition: background var(--transition-fast);
}

.comparison-table tbody tr:hover {
  background: var(--color-primary-50);
}

[data-theme="dark"] .comparison-table tbody tr:hover {
  background: rgba(37,99,235,0.05);
}

.comparison-table tbody tr:last-child td {
  border-bottom: none;
}

.table-highlight {
  font-weight: 700;
  color: var(--color-primary-600);
}

/* ============================================================
   10. FAQ / ACCORDION
   ============================================================ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-card);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.faq-item:hover {
  border-color: var(--color-primary-200);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text-heading);
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-primary-600);
}

.faq-question__icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-gray-100);
  font-size: 0.9rem;
  flex-shrink: 0;
  transition: all var(--transition-normal);
}

[data-theme="dark"] .faq-question__icon {
  background: var(--color-gray-800);
}

.faq-item.active .faq-question__icon {
  background: var(--color-primary-100);
  color: var(--color-primary-600);
  transform: rotate(180deg);
}

[data-theme="dark"] .faq-item.active .faq-question__icon {
  background: rgba(37,99,235,0.2);
  color: var(--color-primary-300);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer__content {
  padding: 0 var(--space-6) var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

/* ============================================================
   11. TOOLS PREVIEW CARDS
   ============================================================ */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.tool-card {
  position: relative;
  padding: var(--space-8);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  text-align: center;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.tool-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

.tool-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.tool-card:hover::before {
  transform: scaleX(1);
}

.tool-card__icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
  display: block;
}

.tool-card__title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: var(--space-3);
}

.tool-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

@media (max-width: 768px) {
  .tools-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   12. ARTICLE CARDS
   ============================================================ */
.article-card {
  display: flex;
  flex-direction: column;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-200);
}

.article-card__image {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.article-card__body {
  padding: var(--space-5);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.article-card__category {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary-600);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
}

.article-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: var(--space-3);
  line-height: var(--leading-tight);
}

.article-card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  flex: 1;
  margin-bottom: var(--space-4);
}

.article-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ============================================================
   13. FOOTER
   ============================================================ */
.footer {
  background: var(--color-gray-900);
  color: var(--color-gray-400);
  padding: var(--space-16) 0 var(--space-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

.footer__brand-desc {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  margin-top: var(--space-4);
  color: var(--color-gray-400);
}

.footer__heading {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-5);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__links a {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--color-white);
}

.footer__divider {
  border: none;
  border-top: 1px solid var(--color-gray-800);
  margin-bottom: var(--space-8);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__copyright {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

.footer__disclaimer {
  font-size: var(--text-xs);
  color: var(--color-gray-600);
  max-width: 600px;
  line-height: var(--leading-relaxed);
}

@media (max-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   14. BREADCRUMB
   ============================================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: var(--space-4) 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.breadcrumb a {
  color: var(--color-text-muted);
}

.breadcrumb a:hover {
  color: var(--color-primary-600);
}

.breadcrumb__separator {
  color: var(--color-gray-300);
}

.breadcrumb__current {
  color: var(--color-text);
  font-weight: 500;
}

/* ============================================================
   15. COOKIE CONSENT
   ============================================================ */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--z-toast);
  background: var(--color-gray-900);
  color: var(--color-gray-300);
  padding: var(--space-5) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  transform: translateY(100%);
  transition: transform var(--transition-slow);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
}

.cookie-banner.show {
  transform: translateY(0);
}

.cookie-banner__text {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.cookie-banner__text a {
  color: var(--color-primary-300);
  text-decoration: underline;
}

.cookie-banner__actions {
  display: flex;
  gap: var(--space-3);
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .cookie-banner {
    flex-direction: column;
    text-align: center;
  }
}

/* ============================================================
   16. SCROLL REVEAL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal--left {
  transform: translateX(-30px);
}

.reveal--left.visible {
  transform: translateX(0);
}

.reveal--right {
  transform: translateX(30px);
}

.reveal--right.visible {
  transform: translateX(0);
}

.reveal--scale {
  transform: scale(0.95);
}

.reveal--scale.visible {
  transform: scale(1);
}

/* Stagger children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 0.15s; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 0.2s; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 0.25s; }

.reveal-stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   17. MISC UTILITIES
   ============================================================ */
.text-center { text-align: center; }
.text-left   { text-align: left; }
.text-right  { text-align: right; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}

.spacer { margin-top: var(--navbar-height); }

/* ── Pain Scale Stars ── */
.pain-stars { color: var(--color-warning-400); letter-spacing: 2px; }

/* ── Badge for price range ── */
.price-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, rgba(37,99,235,0.1), rgba(14,165,233,0.1));
  border: 1px solid rgba(37,99,235,0.15);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary-600);
}

/* ── Content page styling ── */
.content-page {
  padding-top: calc(var(--navbar-height) + var(--space-8));
  padding-bottom: var(--space-16);
  min-height: 80vh;
}

.content-page h1 {
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--color-text-heading);
  margin-bottom: var(--space-6);
  line-height: var(--leading-tight);
}

.content-page h2 {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text-heading);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-primary-100);
}

[data-theme="dark"] .content-page h2 {
  border-bottom-color: var(--color-primary-900);
}

.content-page h3 {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text-heading);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.content-page p {
  margin-bottom: var(--space-4);
  line-height: var(--leading-relaxed);
}

.content-page ul, .content-page ol {
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}

.content-page ul { list-style: disc; }
.content-page ol { list-style: decimal; }

.content-page li {
  margin-bottom: var(--space-2);
  line-height: var(--leading-relaxed);
}

.content-page strong {
  color: var(--color-text-heading);
  font-weight: 600;
}

/* ── Medical Disclaimer Box ── */
.medical-disclaimer {
  padding: var(--space-5) var(--space-6);
  border-radius: var(--radius-lg);
  background: rgba(251,191,36,0.08);
  border: 1px solid rgba(251,191,36,0.2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin-top: var(--space-8);
}

.medical-disclaimer strong {
  color: var(--color-warning-500);
}

/* ── Pros & Cons ── */
.pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin: var(--space-6) 0;
}

.pros-cons__col {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
}

.pros-cons__col--pros {
  background: rgba(34,197,94,0.05);
  border: 1px solid rgba(34,197,94,0.15);
}

.pros-cons__col--cons {
  background: rgba(239,68,68,0.05);
  border: 1px solid rgba(239,68,68,0.15);
}

.pros-cons__title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.pros-cons__col--pros .pros-cons__title { color: var(--color-success-500); }
.pros-cons__col--cons .pros-cons__title { color: var(--color-error-500); }

.pros-cons__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.pros-cons__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.pros-cons__icon {
  flex-shrink: 0;
  margin-top: 2px;
}

@media (max-width: 768px) {
  .pros-cons { grid-template-columns: 1fr; }
}

/* ── Info callout ── */
.callout {
  padding: var(--space-5) var(--space-6);
  border-radius: var(--radius-lg);
  margin: var(--space-6) 0;
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.callout--info {
  background: rgba(14,165,233,0.08);
  border: 1px solid rgba(14,165,233,0.2);
  border-left: 4px solid var(--color-accent-500);
}

.callout--tip {
  background: rgba(34,197,94,0.08);
  border: 1px solid rgba(34,197,94,0.2);
  border-left: 4px solid var(--color-success-500);
}

.callout--warning {
  background: rgba(251,191,36,0.08);
  border: 1px solid rgba(251,191,36,0.2);
  border-left: 4px solid var(--color-warning-500);
}

.callout__title {
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: var(--space-2);
}

/* ============================================================
   18. PAGE HEADER (Subpages)
   ============================================================ */
.page-header {
  padding-top: calc(var(--navbar-height) + var(--space-12));
  padding-bottom: var(--space-12);
  background: var(--gradient-hero);
  color: var(--color-white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 500px 500px at 50% 80%, rgba(37,99,235,0.15), transparent);
  pointer-events: none;
}

.page-header__title {
  font-size: var(--text-4xl);
  font-weight: 900;
  margin-bottom: var(--space-4);
  position: relative;
}

.page-header__subtitle {
  font-size: var(--text-lg);
  color: var(--color-gray-300);
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}

@media (max-width: 768px) {
  .page-header__title { font-size: var(--text-3xl); }
}

/* ============================================================
   19. SKIP LINK (Accessibility)
   ============================================================ */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-primary-600);
  color: white;
  padding: var(--space-3) var(--space-6);
  z-index: 9999;
  font-weight: 600;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}

/* ============================================================
   20. BREADCRUMB BAR
   ============================================================ */
.breadcrumb-bar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-3) 0;
  position: sticky;
  top: var(--navbar-height);
  z-index: 90;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--color-primary-500);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--color-primary-700);
  text-decoration: underline;
}

.breadcrumb__sep {
  color: var(--color-text-muted);
  opacity: 0.5;
}

.breadcrumb__current {
  color: var(--color-text-body);
  font-weight: 500;
}

/* ============================================================
   21. PAGE HERO (Braces Detail Pages)
   ============================================================ */
.page-hero {
  padding-top: calc(var(--navbar-height) + var(--space-16));
  padding-bottom: var(--space-16);
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 600px 400px at 70% 50%, rgba(255,255,255,0.05), transparent);
  pointer-events: none;
}

.page-hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

@media (max-width: 768px) {
  .page-hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

.page-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.page-hero__title {
  font-size: var(--text-5xl);
  font-weight: 900;
  color: var(--color-white);
  margin-bottom: var(--space-4);
  line-height: 1.1;
}

@media (max-width: 768px) {
  .page-hero__title { font-size: var(--text-3xl); }
}

.page-hero__subtitle {
  font-size: var(--text-xl);
  color: rgba(255,255,255,0.85);
  margin-bottom: var(--space-8);
  line-height: 1.6;
}

.page-hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-8);
}

@media (max-width: 900px) {
  .page-hero__stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .page-hero__stats { grid-template-columns: repeat(2, 1fr); }
}

.stat-card {
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  text-align: center;
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.stat-card:hover {
  transform: translateY(-2px);
  background: rgba(255,255,255,0.18);
}

.stat-card__value {
  font-size: var(--text-2xl);
  font-weight: 900;
  color: var(--color-white);
  display: block;
  margin-bottom: var(--space-1);
}

.stat-card__label {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.7);
  font-weight: 500;
}

/* Hero Visual / Illustration */
.page-hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.braces-illustration {
  width: 100%;
  max-width: 400px;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.3));
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@media (max-width: 768px) {
  .page-hero__visual { display: none; }
}

/* Page Hero Color Variants — Professional Blue Tone */
.page-hero--metal   { background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #0ea5e9 100%); }
.page-hero--damon   { background: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #60a5fa 100%); }
.page-hero--ceramic { background: linear-gradient(135deg, #92400e 0%, #d97706 50%, #fbbf24 100%); }
.page-hero--lingual { background: linear-gradient(135deg, #065f46 0%, #059669 50%, #34d399 100%); }
.page-hero--clear   { background: linear-gradient(135deg, #0c4a6e 0%, #0284c7 50%, #38bdf8 100%); }
.page-hero--pricing { background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #3b82f6 100%); }
.page-hero--quiz    { background: linear-gradient(135deg, #1e3a8a 0%, #4f46e5 50%, #818cf8 100%); }
.page-hero--calc    { background: linear-gradient(135deg, #134e4a 0%, #0d9488 50%, #2dd4bf 100%); }
.page-hero--color   { background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #93c5fd 100%); }
.page-hero--guide   { background: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 50%, #0ea5e9 100%); }
.page-hero--promo   { background: linear-gradient(135deg, #1e3a8a 0%, #dc2626 50%, #f87171 100%); }
.page-hero--blog    { background: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 50%, #64748b 100%); }

/* ============================================================
   22. PROS / CONS GRID
   ============================================================ */
.pros-cons-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin: var(--space-8) 0;
}

@media (max-width: 640px) {
  .pros-cons-grid { grid-template-columns: 1fr; }
}

.pros-card,
.cons-card {
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
}

.pros-card {
  background: rgba(34,197,94,0.06);
  border: 1px solid rgba(34,197,94,0.2);
}

.cons-card {
  background: rgba(239,68,68,0.06);
  border: 1px solid rgba(239,68,68,0.2);
}

.pros-card__title,
.cons-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.pros-card__title { color: var(--color-success-600); }
.cons-card__title { color: var(--color-error-600); }

.pros-cons-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.pros-cons-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-body);
  line-height: 1.5;
}

.pros-cons-list li::before {
  content: '';
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  border-radius: 50%;
  margin-top: 1px;
}

.pros-card .pros-cons-list li::before {
  background: rgba(34,197,94,0.15) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2322c55e'%3E%3Cpath d='M13.5 3.5L6 11 2.5 7.5' stroke='%2322c55e' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat;
}

.cons-card .pros-cons-list li::before {
  background: rgba(239,68,68,0.15) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23ef4444'%3E%3Cpath d='M12 4L4 12M4 4l8 8' stroke='%23ef4444' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E") center/10px no-repeat;
}

/* ============================================================
   23. PRICE RANGE DISPLAY
   ============================================================ */
.price-range-display {
  background: var(--gradient-primary);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  color: var(--color-white);
  text-align: center;
  margin: var(--space-8) 0;
}

.price-range-display__label {
  font-size: var(--text-sm);
  opacity: 0.8;
  margin-bottom: var(--space-2);
  font-weight: 500;
}

.price-range-display__amount {
  font-size: var(--text-5xl);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: var(--space-2);
}

.price-range-display__note {
  font-size: var(--text-sm);
  opacity: 0.75;
}

/* Pricing Tiers */
.pricing-tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin: var(--space-8) 0;
}

@media (max-width: 640px) {
  .pricing-tiers { grid-template-columns: 1fr; }
}

.pricing-tier {
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.pricing-tier:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.pricing-tier--budget {
  border-top: 3px solid var(--color-success-500);
}

.pricing-tier--mid {
  border-top: 3px solid var(--color-primary-500);
  transform: scale(1.02);
  box-shadow: var(--shadow-md);
}

.pricing-tier--premium {
  border-top: 3px solid var(--color-warning-500);
}

.pricing-tier__tag {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
}

.pricing-tier--budget .pricing-tier__tag  { color: var(--color-success-600); }
.pricing-tier--mid .pricing-tier__tag     { color: var(--color-primary-600); }
.pricing-tier--premium .pricing-tier__tag { color: var(--color-warning-600); }

.pricing-tier__name {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: var(--space-1);
}

.pricing-tier__price {
  font-size: var(--text-2xl);
  font-weight: 900;
  color: var(--color-primary-600);
  margin-bottom: var(--space-3);
}

.pricing-tier__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ============================================================
   24. PAIN TIMELINE
   ============================================================ */
.pain-timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin: var(--space-8) 0;
  position: relative;
}

.pain-timeline::before {
  content: '';
  position: absolute;
  top: 45px; /* Moved down to avoid overlapping the period labels */
  left: 16%;
  right: 16%;
  height: 2px;
  background: linear-gradient(90deg, #ef4444, #f97316, #22c55e);
  z-index: 0;
}

@media (max-width: 640px) {
  .pain-timeline { grid-template-columns: 1fr; }
  .pain-timeline::before { display: none; }
}

.pain-phase {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  text-align: center;
  position: relative;
  z-index: 1;
  transition: transform var(--transition-fast);
}

.pain-phase:hover {
  transform: translateY(-3px);
}

.pain-phase__period {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-primary-600);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
}

.pain-phase__meter {
  font-size: var(--text-3xl);
  font-weight: 900;
  margin-bottom: var(--space-2);
}

.pain-phase__label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-heading);
  margin-bottom: var(--space-2);
}

.pain-phase__desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
}

.pain-meter {
  display: flex;
  gap: 3px;
  justify-content: center;
  margin: var(--space-2) 0;
}

.pain-meter__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
}

.pain-meter__dot--active { background: #ef4444; }
.pain-meter__dot--active.low { background: #22c55e; }
.pain-meter__dot--active.mid { background: #f97316; }

/* ============================================================
   25. CARE GRID
   ============================================================ */
.care-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-4);
  margin: var(--space-6) 0;
}

.care-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-3);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.care-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.care-card__icon {
  font-size: 2.5rem;
  line-height: 1;
}

.care-card__title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text-heading);
}

.care-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ============================================================
   26. WHO-FOR GRID
   ============================================================ */
.who-for-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-4);
  margin: var(--space-6) 0;
}

.who-for-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  flex-direction: column; /* Changed to column to avoid overlap with long titles */
  align-items: flex-start;
  gap: var(--space-4);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.who-for-card:hover {
  transform: translateY(-2px);
  border-color: var(--color-primary-300);
}

.who-for-card__icon {
  font-size: 2rem;
  flex-shrink: 0;
  line-height: 1;
}

.who-for-card__body {}

.who-for-card__name {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: var(--space-1);
}

.who-for-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ============================================================
   27. SPONSOR CTA SECTION
   ============================================================ */
.sponsor-cta-section {
  background: var(--gradient-primary);
  border-radius: var(--radius-3xl);
  padding: var(--space-12);
  text-align: center;
  color: var(--color-white);
  position: relative;
  overflow: hidden;
  margin: var(--space-16) 0;
}

.sponsor-cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse 60% 60% at 50% 50%, rgba(255,255,255,0.08), transparent);
  pointer-events: none;
}

.sponsor-cta {
  position: relative;
  z-index: 1;
}

.sponsor-cta__label {
  font-size: var(--text-sm);
  opacity: 0.8;
  margin-bottom: var(--space-2);
  font-weight: 500;
}

.sponsor-cta__name {
  font-size: var(--text-3xl);
  font-weight: 900;
  margin-bottom: var(--space-4);
}

.sponsor-cta__desc {
  font-size: var(--text-lg);
  opacity: 0.9;
  margin-bottom: var(--space-8);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.sponsor-cta__actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================================
   28. QUIZ CTA SECTION
   ============================================================ */
.quiz-cta-section {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-3xl);
  padding: var(--space-10);
  text-align: center;
  margin: var(--space-12) 0;
}

.quiz-cta__title {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-text-heading);
  margin-bottom: var(--space-3);
}

.quiz-cta__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================================
   29. RELATED CARDS
   ============================================================ */
.related-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.related-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  text-align: center;
  text-decoration: none;
  color: var(--color-text-body);
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  display: block;
}

.related-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary-400);
  box-shadow: var(--shadow-md);
  color: var(--color-text-body);
  text-decoration: none;
}

.related-card__icon {
  font-size: 2rem;
  margin-bottom: var(--space-3);
  display: block;
}

.related-card__name {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: var(--space-1);
}

.related-card__price {
  font-size: var(--text-sm);
  color: var(--color-primary-600);
  font-weight: 600;
}

/* ============================================================
   30. PRICING CARDS GRID
   ============================================================ */
.pricing-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-5);
  margin: var(--space-8) 0;
}

.type-pricing-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.type-pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.type-pricing-card__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-3);
  display: block;
}

.type-pricing-card__name {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: var(--space-2);
}

.type-pricing-card__price {
  font-size: var(--text-2xl);
  font-weight: 900;
  color: var(--color-primary-600);
  margin-bottom: var(--space-3);
}

.type-pricing-card__duration {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.type-pricing-card__link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary-600);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  transition: gap var(--transition-fast);
}

.type-pricing-card__link:hover {
  gap: var(--space-2);
  text-decoration: underline;
}

/* ============================================================
   31. HIDDEN COSTS GRID
   ============================================================ */
.hidden-costs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-4);
  margin: var(--space-6) 0;
}

.hidden-cost-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  text-align: center;
}

.hidden-cost-item__icon {
  font-size: 2rem;
  margin-bottom: var(--space-3);
  display: block;
}

.hidden-cost-item__name {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: var(--space-1);
}

.hidden-cost-item__price {
  font-size: var(--text-base);
  font-weight: 800;
  color: var(--color-error-600);
}

.hidden-cost-item__note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* ============================================================
   32. BADGE VARIANTS
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge--primary   { background: var(--color-primary-100); color: var(--color-primary-700); }
.badge--success   { background: rgba(34,197,94,0.12);    color: #15803d; }
.badge--warning   { background: rgba(251,191,36,0.12);   color: #92400e; }
.badge--error     { background: rgba(239,68,68,0.12);    color: #b91c1c; }
.badge--info      { background: rgba(14,165,233,0.12);   color: #0369a1; }
.badge--neutral   { background: var(--color-surface-alt); color: var(--color-text-muted); }
.badge--metal     { background: rgba(100,116,139,0.12);  color: #475569; }
.badge--gold      { background: rgba(251,191,36,0.15);   color: #92400e; }
.badge--purple    { background: rgba(99,102,241,0.12);   color: #4338ca; }
.badge--blue      { background: rgba(14,165,233,0.12);   color: #0369a1; }
.badge--pink      { background: rgba(236,72,153,0.12);   color: #9d174d; }

/* ============================================================
   33. CHECKLIST / QUESTIONS SECTION
   ============================================================ */
.checklist-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  margin: var(--space-6) 0;
}

.checklist-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.checklist-card ul,
.questions-checklist {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.checklist-card li,
.questions-checklist li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-body);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  background: var(--color-surface-alt);
  line-height: 1.5;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.checklist-card li:hover,
.questions-checklist li:hover {
  background: rgba(37,99,235,0.05);
}

.checklist-card li input[type="checkbox"],
.questions-checklist li input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 1px;
  accent-color: var(--color-primary-600);
  cursor: pointer;
}

.checklist-note {
  background: rgba(14,165,233,0.06);
  border: 1px solid rgba(14,165,233,0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  line-height: 1.5;
}

/* ============================================================
   34. COMPARE BOX
   ============================================================ */
.compare-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin: var(--space-6) 0;
}

@media (max-width: 640px) {
  .compare-box { grid-template-columns: 1fr; }
}

.compare-box__item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
}

.compare-box__item--highlight {
  background: rgba(37,99,235,0.04);
  border-color: var(--color-primary-300);
}

.compare-box__title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

/* ============================================================
   35. TABLE HELPERS
   ============================================================ */
.table-highlight {
  background: rgba(37,99,235,0.05) !important;
  font-weight: 600;
}

.table-note {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
  line-height: 1.5;
}

.subsection-title {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-text-heading);
  margin: var(--space-10) 0 var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* ============================================================
   36. INFO CARD ACCENT
   ============================================================ */
.info-card--accent {
  background: var(--gradient-primary);
  color: var(--color-white);
  border: none;
}

.info-card--accent .info-card__title,
.info-card--accent .info-card__value {
  color: var(--color-white);
}

.info-card--accent .info-card__desc {
  color: rgba(255,255,255,0.8);
}

/* ============================================================
   37. TIMELINE / GUIDE SECTIONS
   ============================================================ */
.timeline-section {
  position: relative;
  padding-left: var(--space-8);
}

.timeline-section::before {
  content: '';
  position: absolute;
  left: 11px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--color-primary-400), var(--color-accent-400));
}

.timeline-step {
  position: relative;
  margin-bottom: var(--space-8);
}

.timeline-step::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-8) + 3px);
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-primary-500);
  border: 3px solid var(--color-surface);
  box-shadow: 0 0 0 2px var(--color-primary-500);
}

.timeline-step__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: var(--space-3);
}

.timeline-step__content {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
}

/* ============================================================
   38. PAGE SECTIONS (inner page layout helpers)
   ============================================================ */
.page-section {
  padding: var(--space-16) 0;
}

.page-section--alt {
  background: var(--color-surface-alt);
}

.page-section--sm {
  padding: var(--space-10) 0;
}

.section-lead {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 700px;
  margin: 0 auto var(--space-10);
  text-align: center;
  line-height: 1.7;
}

.section-title--left {
  text-align: left;
  margin-left: 0;
  max-width: unset;
}

/* ============================================================
   39. CONTENT PROSE (article / guide pages)
   ============================================================ */
.prose {
  max-width: 72ch;
  margin: 0 auto;
  color: var(--color-text-body);
  line-height: 1.8;
}

.prose h2 {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-text-heading);
  margin: var(--space-10) 0 var(--space-4);
}

.prose h3 {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-heading);
  margin: var(--space-8) 0 var(--space-3);
}

.prose p {
  margin-bottom: var(--space-5);
}

.prose ul, .prose ol {
  padding-left: var(--space-6);
  margin-bottom: var(--space-5);
}

.prose li {
  margin-bottom: var(--space-2);
}

.prose strong {
  color: var(--color-text-heading);
  font-weight: 700;
}

.prose a {
  color: var(--color-primary-600);
  text-decoration: underline;
}

.prose a:hover {
  color: var(--color-primary-800);
}

.prose blockquote {
  border-left: 4px solid var(--color-primary-400);
  margin: var(--space-6) 0;
  padding: var(--space-4) var(--space-6);
  background: rgba(37,99,235,0.04);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  color: var(--color-text-muted);
  font-style: italic;
}

/* ============================================================
   40. RESPONSIVE TABLE WRAPPER
   ============================================================ */
.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  margin: var(--space-6) 0;
}

.table-responsive table {
  min-width: 600px;
}

/* ============================================================
   41. INSTALLMENT / FINANCE TABLE
   ============================================================ */
.installment-table {
  width: 100%;
  border-collapse: collapse;
}

.installment-table th,
.installment-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-sm);
}

.installment-table th {
  background: var(--color-surface-alt);
  font-weight: 700;
  color: var(--color-text-heading);
}

.installment-table td {
  color: var(--color-text-body);
}

.installment-table tr:last-child td {
  border-bottom: none;
}

.installment-table tr:hover td {
  background: rgba(37,99,235,0.03);
}

/* ============================================================
   42. BLOG CARD GRID (blog.html)
   ============================================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-6);
}

.blog-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  text-decoration: none;
  color: var(--color-text-body);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
  color: var(--color-text-body);
}

.blog-card__cover {
  background: var(--gradient-primary);
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
}

.blog-card__body {
  padding: var(--space-5);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}

.blog-card__category {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-primary-600);
  background: rgba(37,99,235,0.08);
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
}

.blog-card__date {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.blog-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: var(--space-2);
  line-height: 1.4;
}

.blog-card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  flex: 1;
}

.blog-card__read-more {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary-600);
  margin-top: var(--space-4);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

/* ============================================================
   43. PROMO PAGE ELEMENTS
   ============================================================ */
.promo-highlight {
  background: linear-gradient(135deg, rgba(239,68,68,0.08), rgba(251,191,36,0.08));
  border: 2px dashed rgba(239,68,68,0.3);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  text-align: center;
  margin: var(--space-8) 0;
}

.promo-highlight__price {
  font-size: var(--text-5xl);
  font-weight: 900;
  color: var(--color-error-600);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.promo-highlight__note {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.installment-simulator {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  margin: var(--space-8) 0;
}

.installment-simulator label {
  font-weight: 600;
  color: var(--color-text-heading);
  font-size: var(--text-sm);
  display: block;
  margin-bottom: var(--space-2);
}

.installment-simulator select,
.installment-simulator input[type="range"] {
  width: 100%;
  margin-bottom: var(--space-4);
}

.installment-result {
  background: var(--gradient-primary);
  color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  text-align: center;
  margin-top: var(--space-4);
}

.installment-result__monthly {
  font-size: var(--text-4xl);
  font-weight: 900;
  display: block;
  margin-bottom: var(--space-1);
}

.installment-result__note {
  font-size: var(--text-sm);
  opacity: 0.85;
}

/* ============================================================
   44. CONTENT SECTION (reusable page section wrappers)
   ============================================================ */
.content-section {
  padding: var(--space-16) 0;
}

.content-section--alt {
  background: var(--color-surface-alt);
}

.content-section--sm {
  padding: var(--space-10) 0;
}

/* ============================================================
   45. DATA TABLE (styled comparison tables)
   ============================================================ */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.data-table th,
.data-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.data-table thead th {
  background: var(--color-surface-alt);
  font-weight: 700;
  color: var(--color-text-heading);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.data-table tbody tr:hover td {
  background: rgba(37,99,235,0.03);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.data-table--comparison th:first-child,
.data-table--comparison td:first-child {
  font-weight: 600;
  color: var(--color-text-heading);
  background: var(--color-surface-alt);
  position: sticky;
  left: 0;
  z-index: 1;
}

.price-cell {
  font-weight: 700;
  color: var(--color-primary-600);
  white-space: nowrap;
}

/* ============================================================
   46. INFO CARDS GRID & COMPONENT
   ============================================================ */
.info-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-6);
  margin: var(--space-8) 0;
}

.info-cards--2 { grid-template-columns: repeat(2, 1fr); }
.info-cards--3 { grid-template-columns: repeat(3, 1fr); }
.info-cards--4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1100px) {
  .info-cards--3, .info-cards--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .info-cards--2, .info-cards--3, .info-cards--4 { grid-template-columns: 1fr; }
}

.info-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8) var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-4);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.info-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-300);
}

.info-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.info-card:hover::before {
  opacity: 1;
}

.info-card__icon {
  width: 64px;
  height: 64px;
  background: var(--color-primary-50);
  color: var(--color-primary-600);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: var(--space-2);
  transition: transform var(--transition-spring);
}

.info-card:hover .info-card__icon {
  transform: scale(1.1) rotate(5deg);
  background: var(--color-primary-100);
}

.info-card__title, 
.info-card h3 {
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-text-heading);
  line-height: var(--leading-tight);
}

.info-card__desc,
.info-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
}

/* ============================================================
   47. CALLOUT ICON & BODY
   ============================================================ */
.callout__icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  line-height: 1;
}

.callout__body {
  flex: 1;
}

.callout {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  border-radius: var(--radius-xl);
  padding: var(--space-4) var(--space-5);
}

/* ============================================================
   48. CARE LIST (do / don't lists)
   ============================================================ */
.care-list {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.care-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-body);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-lg);
  line-height: 1.5;
}

.care-list--ok li {
  background: rgba(34,197,94,0.05);
}

.care-list--ok li::before {
  content: '✓';
  color: var(--color-success-600);
  font-weight: 700;
  flex-shrink: 0;
}

.care-list--no li {
  background: rgba(239,68,68,0.05);
}

.care-list--no li::before {
  content: '✗';
  color: var(--color-error-600);
  font-weight: 700;
  flex-shrink: 0;
}

/* ============================================================
   49. BADGE COLOR ALIASES (for semantic color names)
   ============================================================ */
.badge--green  { background: rgba(34,197,94,0.12);  color: #15803d; }
.badge--red    { background: rgba(239,68,68,0.12);  color: #b91c1c; }
.badge--yellow { background: rgba(251,191,36,0.12); color: #92400e; }
.badge--orange { background: rgba(249,115,22,0.12); color: #9a3412; }
.badge--teal   { background: rgba(20,184,166,0.12); color: #0f766e; }

/* ============================================================
   50. BREAKDOWN ROW (cost/price breakdown rows)
   ============================================================ */
.breakdown-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-sm);
}

.breakdown-row:last-child {
  border-bottom: none;
}

.breakdown-row__label {
  color: var(--color-text-muted);
}

.breakdown-row__value {
  font-weight: 700;
  color: var(--color-text-heading);
}

.breakdown-row--total {
  background: rgba(37,99,235,0.05);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  border: 1px solid rgba(37,99,235,0.15);
  margin-top: var(--space-2);
}

.breakdown-row--total .breakdown-row__label {
  font-weight: 700;
  color: var(--color-text-heading);
}

.breakdown-row--total .breakdown-row__value {
  font-size: var(--text-xl);
  color: var(--color-primary-600);
}

/* ============================================================
   51. SECTION LABEL
   ============================================================ */
.section-label {
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary-600);
  margin-bottom: var(--space-2);
  display: block;
}

/* ============================================================
   52. TABLE WRAPPER
   ============================================================ */
.table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  margin: var(--space-6) 0;
}

.table-wrapper--lg {
  border-radius: var(--radius-2xl);
}

.table-wrapper table {
  min-width: 580px;
  width: 100%;
}

/* ============================================================
   53. PAIN PHASE VARIANTS & PAIN METER FILL
   ============================================================ */
.pain-phase--high {
  border-color: rgba(239,68,68,0.3);
  background: rgba(239,68,68,0.03);
}

.pain-phase--mid {
  border-color: rgba(249,115,22,0.3);
  background: rgba(249,115,22,0.03);
}

.pain-phase--low {
  border-color: rgba(34,197,94,0.3);
  background: rgba(34,197,94,0.03);
}

.pain-meter__fill {
  height: 6px;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, #22c55e, #f97316, #ef4444);
  margin: var(--space-2) 0;
}

/* ============================================================
   54. WHO-FOR CARD VARIANTS
   ============================================================ */
.who-for-card--yes {
  border-color: rgba(34,197,94,0.3);
  background: rgba(34,197,94,0.04);
}

.who-for-card--maybe {
  border-color: rgba(251,191,36,0.3);
  background: rgba(251,191,36,0.04);
}

/* ============================================================
   55. TYPE PRICING CARD — FEATURED VARIANT
   ============================================================ */
.type-pricing-card--featured {
  border: 2px solid var(--color-primary-400);
  box-shadow: var(--shadow-lg);
  position: relative;
}

.type-pricing-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: var(--color-white);
  font-size: var(--text-xs);
  font-weight: 700;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.type-pricing-card__header {
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  padding: var(--space-5);
  margin: calc(-1 * var(--space-6)) calc(-1 * var(--space-6)) var(--space-5);
  color: var(--color-white);
}

.type-pricing-card__header--metal   { background: linear-gradient(135deg, #1e3a8a, #2563eb); }
.type-pricing-card__header--damon   { background: linear-gradient(135deg, #1e40af, #4f46e5); }
.type-pricing-card__header--ceramic { background: linear-gradient(135deg, #92400e, #d97706); }
.type-pricing-card__header--lingual { background: linear-gradient(135deg, #064e3b, #059669); }
.type-pricing-card__header--clear   { background: linear-gradient(135deg, #0c4a6e, #0ea5e9); }

.type-pricing-card__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.type-pricing-card__breakdown {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-4);
  margin-top: var(--space-2);
}

/* ============================================================
   56. PRICE RANGE DISPLAY — EXTENDED
   ============================================================ */
.price-range-display__main {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: var(--space-2);
  margin: var(--space-3) 0;
}

.price-range-display__low {
  font-size: var(--text-3xl);
  font-weight: 900;
  color: var(--color-white);
}

.price-range-display__high {
  font-size: var(--text-3xl);
  font-weight: 900;
  color: var(--color-white);
}

.price-range-display__sep {
  font-size: var(--text-2xl);
  font-weight: 300;
  color: rgba(255,255,255,0.5);
  margin: 0 var(--space-1);
}

.price-range-display__unit {
  font-size: var(--text-sm);
  opacity: 0.75;
  margin-bottom: var(--space-1);
}

.price-range-display__avg {
  font-size: var(--text-sm);
  opacity: 0.8;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-3);
  display: inline-block;
  margin-top: var(--space-2);
}

/* ============================================================
   57. TOTAL COST ESTIMATE TABLE
   ============================================================ */
.total-cost-estimate {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  margin: var(--space-8) 0;
}

.total-cost-estimate table {
  width: 100%;
  border-collapse: collapse;
}

.total-cost-estimate th,
.total-cost-estimate td {
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-sm);
  text-align: left;
}

.total-cost-estimate thead th {
  background: var(--color-surface-alt);
  font-weight: 700;
  color: var(--color-text-heading);
}

.total-cost-estimate tfoot td {
  font-weight: 800;
  background: rgba(37,99,235,0.06);
  color: var(--color-primary-700);
  font-size: var(--text-base);
}

/* ============================================================
   58. PRINT STYLES
   ============================================================ */
@media print {
  .navbar,
  .breadcrumb-bar,
  .cookie-bar,
  .sponsor-cta-section,
  .quiz-cta-section,
  footer {
    display: none !important;
  }

  body {
    font-size: 12pt;
    color: #000;
    background: #fff;
  }

  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 10pt;
    color: #666;
  }

  .page-hero {
    background: #f5f5f5 !important;
    color: #000 !important;
    padding: 20pt 0;
  }
}

/* ============================================================
   59. TEXT UTILITIES (gradient, colors)
   ============================================================ */
/* Used inside dark hero/page-hero sections — white-to-skyblue gradient on text */
.text-gradient {
  background: linear-gradient(135deg, #ffffff 0%, #7dd3fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* On light backgrounds use blue gradient */
.bg-light .text-gradient,
.section--light .text-gradient {
  background: linear-gradient(135deg, #1d4ed8 0%, #0ea5e9 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-primary   { color: var(--color-primary-600) !important; }
.text-muted     { color: var(--color-text-muted) !important; }
.text-heading   { color: var(--color-text-heading) !important; }
.text-white     { color: var(--color-white) !important; }
.text-success   { color: var(--color-success-600) !important; }
.text-warning   { color: var(--color-warning-600) !important; }
.text-error     { color: var(--color-error-600) !important; }
.text-center    { text-align: center; }
.text-left      { text-align: left; }
.text-bold      { font-weight: 700; }
.text-sm        { font-size: var(--text-sm); }
.text-lg        { font-size: var(--text-lg); }

/* ============================================================
   60. BACKGROUND UTILITIES
   ============================================================ */
.bg-primary     { background: var(--gradient-primary); color: white; }
.bg-hero        { background: var(--gradient-hero); }
.bg-surface     { background: var(--color-surface); }
.bg-surface-alt { background: var(--color-surface-alt); }
.bg-blue-light  { background: #eff6ff; }
.bg-white       { background: #ffffff; }

/* ============================================================
   61. SPACING UTILITIES
   ============================================================ */
.mt-0  { margin-top: 0; }
.mt-4  { margin-top: var(--space-4); }
.mt-8  { margin-top: var(--space-8); }
.mb-0  { margin-bottom: 0; }
.mb-4  { margin-bottom: var(--space-4); }
.mb-8  { margin-bottom: var(--space-8); }
.py-8  { padding-top: var(--space-8); padding-bottom: var(--space-8); }
.py-16 { padding-top: var(--space-16); padding-bottom: var(--space-16); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

/* ============================================================
   62. FLEX / GRID UTILITIES
   ============================================================ */
.flex        { display: flex; }
.flex-col    { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.flex-wrap   { flex-wrap: wrap; }
.w-full      { width: 100%; }
.hidden      { display: none !important; }
.block       { display: block; }

/* ============================================================
   63. SECTION TITLE & LEAD UTILITIES
   ============================================================ */
.section-title {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-text-heading);
  margin-bottom: var(--space-4);
  line-height: 1.2;
}

@media (max-width: 768px) {
  .section-title { font-size: var(--text-2xl); }
}

.section-lead {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 680px;
  margin: 0 auto var(--space-10);
  text-align: center;
  line-height: 1.7;
}

/* ============================================================
   64. INFO CARD (used across many content pages)
   ============================================================ */
.info-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.info-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.info-card__icon {
  font-size: 2rem;
  flex-shrink: 0;
  line-height: 1;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-alt);
  border-radius: var(--radius-lg);
}

.info-card__title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: var(--space-1);
}

.info-card__value {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-primary-600);
  margin-bottom: var(--space-1);
}

.info-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}


/* ============================================================
   65. PAGE HERO — CENTER LAYOUT (no image, text only)
   ============================================================ */
.page-hero__content {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  color: var(--color-white);
  position: relative;
  z-index: 1;
  padding: 0 var(--space-6);
}

.page-hero:not([class*="--metal"]):not([class*="--damon"]):not([class*="--ceramic"]):not([class*="--lingual"]):not([class*="--clear"]) {
  padding-top: calc(var(--navbar-height) + var(--space-12));
  padding-bottom: var(--space-12);
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  min-height: 280px;
}

.page-hero:not([class*="--metal"]):not([class*="--damon"]):not([class*="--ceramic"]):not([class*="--lingual"]):not([class*="--clear"])::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 800px 300px at 50% 110%, rgba(255,255,255,0.07), transparent);
  pointer-events: none;
}

/* ============================================================
   66. TYPOGRAPHY INSIDE CARDS (contrast fixes)
   ============================================================ */
.info-card h3, .care-card h3, .who-for-card h3,
.related-card h3, .checklist-card h3, .type-pricing-card h3,
.article-card h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: var(--space-2);
  line-height: 1.35;
}

.info-card p, .care-card p, .who-for-card p,
.related-card p, .checklist-card p, .type-pricing-card p,
.article-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 0;
}

/* General article/guide page text */
main h2 {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-text-heading);
  margin: var(--space-10) 0 var(--space-4);
}

main h3 {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-heading);
  margin: var(--space-8) 0 var(--space-3);
}

main p {
  color: var(--color-text-body);
  line-height: 1.75;
  margin-bottom: var(--space-4);
}

main li {
  color: var(--color-text-body);
  margin-bottom: var(--space-2);
  line-height: 1.65;
}

main strong {
  color: var(--color-text-heading);
  font-weight: 700;
}

/* ============================================================
   67. CHECKLIST ITEM
   ============================================================ */
.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  margin-bottom: var(--space-3);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
  font-size: var(--text-sm);
  color: var(--color-text-body);
  line-height: 1.6;
}

.checklist-item:hover {
  background: var(--color-surface-alt);
  border-color: var(--color-primary-300);
}

.checklist-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: var(--color-primary-600);
  cursor: pointer;
}

.checklist-item strong {
  color: var(--color-text-heading);
  font-weight: 600;
}

.checklist-item span {
  color: var(--color-text-body);
}

/* ============================================================
   68. SECTION LABEL + TITLE SPACING
   ============================================================ */
.section-label + h2,
.section-label + .section-title {
  margin-top: 0;
}

/* ============================================================
   69. ARTICLE CARD (blog link card)
   ============================================================ */
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-6);
}

@media (max-width: 640px) {
  .article-grid { grid-template-columns: 1fr; }
}

.article-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  text-decoration: none;
  color: inherit;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-300);
  text-decoration: none;
  color: inherit;
}

.article-card__emoji {
  font-size: 2.5rem;
  line-height: 1;
  display: block;
}

.article-card__title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-heading);
  line-height: 1.35;
}

.article-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  flex: 1;
}

.article-card__cta {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary-600);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  transition: gap var(--transition-fast);
}

.article-card:hover .article-card__cta { gap: var(--space-2); }

/* ============================================================
   70. RELATED CARD TYPOGRAPHY FIX
   ============================================================ */
.related-card h3,
.related-card__name {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: var(--space-1);
}

.related-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: var(--space-3);
}

.related-card__cta {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary-600);
}

/* ============================================================
   71. CONTAINER NARROW + STEP EMOJI
   ============================================================ */
.container--narrow { max-width: 900px; }

.step-emoji {
  font-size: 2.5rem;
  display: block;
  margin-bottom: var(--space-3);
  line-height: 1;
}

/* ============================================================
   72. INLINE ICON HEADERS (table/card section labels)
   ============================================================ */
[style*="font-size: 2rem; margin-bottom"] {
  color: var(--color-text-heading);
  font-weight: 700;
}

/* ============================================================
   73. PRICE CARD COMPONENT
   ============================================================ */
.price-card {
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  border: 2px solid var(--color-border);
  background: var(--color-surface);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.price-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.price-card--blue   { border-color: var(--color-primary-400); background: rgba(37,99,235,0.04); }
.price-card--green  { border-color: #4ade80; background: rgba(34,197,94,0.04); }
.price-card--indigo { border-color: #818cf8; background: rgba(99,102,241,0.04); }
.price-card--teal   { border-color: #2dd4bf; background: rgba(20,184,166,0.04); }
.price-card--amber  { border-color: #fbbf24; background: rgba(251,191,36,0.04); }

.price-card__icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: var(--space-3);
  line-height: 1;
}
.price-card__name {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: var(--space-2);
}
.price-card__price {
  font-size: var(--text-3xl);
  font-weight: 900;
  color: var(--color-primary-600);
  margin-bottom: var(--space-1);
  line-height: 1.1;
}
.price-card__price--green  { color: #16a34a; }
.price-card__price--indigo { color: #4f46e5; }
.price-card__price--teal   { color: #0d9488; }
.price-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-top: var(--space-2);
}

/* ============================================================
   74. GRID AUTO (responsive auto-fill grid)
   ============================================================ */
.grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-6);
  margin: var(--space-8) 0;
}
.grid-auto--sm {
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-4);
}
.grid-auto--lg {
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-6);
}
@media (max-width: 640px) {
  .grid-auto, .grid-auto--sm, .grid-auto--lg { grid-template-columns: 1fr; }
}

/* ============================================================
   75. PROSE SECTION (article content wrappers)
   ============================================================ */
.prose-section {
  margin: var(--space-10) 0;
}
.prose-section + .prose-section {
  margin-top: var(--space-8);
}

/* ============================================================
   76. INFO CARD EMOJI (standardize emoji display in cards)
   ============================================================ */
.info-card__emoji {
  font-size: 2.5rem;
  display: block;
  margin-bottom: var(--space-3);
  line-height: 1;
}
.info-card__step-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: var(--space-2);
  line-height: 1;
}

/* ============================================================
   77. TABLE HEADER COLOR VARIANTS
   ============================================================ */
.th-green { background: rgba(34,197,94,0.1) !important; color: #15803d; }
.th-red   { background: rgba(239,68,68,0.1) !important; color: #b91c1c; }
.th-blue  { background: rgba(37,99,235,0.08) !important; color: var(--color-primary-700); }
.th-amber { background: rgba(251,191,36,0.1) !important; color: #92400e; }
.td-good  { color: #15803d; font-weight: 600; }
.td-bad   { color: #b91c1c; font-weight: 600; }

/* ============================================================
   78. SPACING UTILITIES (margin / padding)
   ============================================================ */
.mt-4  { margin-top: var(--space-4) !important; }
.mt-6  { margin-top: var(--space-6) !important; }
.mt-8  { margin-top: var(--space-8) !important; }
.mt-10 { margin-top: var(--space-10) !important; }
.mt-12 { margin-top: var(--space-12) !important; }
.mb-4  { margin-bottom: var(--space-4) !important; }
.mb-6  { margin-bottom: var(--space-6) !important; }
.mb-8  { margin-bottom: var(--space-8) !important; }
.my-6  { margin-top: var(--space-6) !important; margin-bottom: var(--space-6) !important; }
.my-8  { margin-top: var(--space-8) !important; margin-bottom: var(--space-8) !important; }
.my-10 { margin-top: var(--space-10) !important; margin-bottom: var(--space-10) !important; }
.mx-auto { margin-left: auto !important; margin-right: auto !important; }
.p-6   { padding: var(--space-6) !important; }
.py-6  { padding-top: var(--space-6) !important; padding-bottom: var(--space-6) !important; }
.text-center { text-align: center !important; }
.max-w-800 { max-width: 800px; }
.max-w-600 { max-width: 600px; }

/* ============================================================
   79. FOOTER LOGO (standardize across all pages)
   ============================================================ */
.footer .navbar__logo {
  display: inline-flex;
  margin-bottom: var(--space-4);
}

/* ============================================================
   80. CALLOUT SPACING
   ============================================================ */
.callout + .callout {
  margin-top: var(--space-4);
}
section + .callout,
.callout + section {
  margin-top: var(--space-8);
}

/* ============================================================
   81. TABLE DO/DONT HEADERS
   ============================================================ */
.table-do-dont {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.table-do-dont th,
.table-do-dont td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-sm);
  vertical-align: top;
  line-height: 1.6;
  color: var(--color-text-body);
}
.table-do-dont th {
  font-weight: 700;
  font-size: var(--text-base);
  padding: var(--space-4);
}
.table-do-dont tbody tr:last-child td { border-bottom: none; }
.table-do-dont tbody tr:hover td { background: rgba(37,99,235,0.02); }

/* ============================================================
   82. PAGE HERO TEXT — FIX CONTRAST OVERRIDES
   High-specificity rules so hero text always shows WHITE
   regardless of "main p / main h2 / main h3" cascade
   ============================================================ */

/* Description paragraph inside any page-hero */
.page-hero .page-hero__desc,
.page-hero__content .page-hero__desc,
.page-hero__content p {
  color: rgba(255, 255, 255, 0.92) !important;
  font-size: var(--text-lg);
  line-height: 1.75;
  margin-bottom: var(--space-6);
  text-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

/* Title inside page-hero (ensure white regardless of main h1 rules) */
.page-hero .page-hero__title,
.page-hero__content h1 {
  color: var(--color-white) !important;
  text-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

/* Badge stays white */
.page-hero .page-hero__badge {
  color: var(--color-white) !important;
}

/* Subtitle (used on some pages) */
.page-hero .page-hero__subtitle,
.page-hero__content .page-hero__subtitle {
  color: rgba(255, 255, 255, 0.88) !important;
  font-size: var(--text-xl);
  line-height: 1.65;
  margin-bottom: var(--space-8);
}

/* text-gradient INSIDE page-hero (override main p cascade) */
.page-hero .text-gradient,
.page-hero__content .text-gradient {
  background: linear-gradient(135deg, #ffffff 0%, #93c5fd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent !important;
  text-shadow: none !important;
}

/* ============================================================
   83. SPONSOR CTA — FIX MISSING __title and __badge CLASSES
   HTML uses sponsor-cta__title and sponsor-cta__badge
   CSS only had sponsor-cta__name and sponsor-cta__label
   ============================================================ */

/* Alias: sponsor-cta__title = same as sponsor-cta__name */
.sponsor-cta__title {
  font-size: var(--text-3xl);
  font-weight: 900;
  color: var(--color-white);
  margin-bottom: var(--space-4);
  line-height: 1.25;
  text-shadow: 0 1px 4px rgba(0,0,0,0.15);
}

/* Alias: sponsor-cta__badge = same as sponsor-cta__label */
.sponsor-cta__badge {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-4);
  margin-bottom: var(--space-4);
}

/* Ensure all children of sponsor-cta-section stay white */
.sponsor-cta-section p,
.sponsor-cta-section h2,
.sponsor-cta-section h3 {
  color: var(--color-white);
}

/* ============================================================
   84. MAIN P / H2 / H3 — EXCLUDE HERO & CTA SECTIONS
   These are the rules that were causing hero text to go dark.
   We can't remove them, so we add explicit hero overrides above.
   Also fix: any dark-background section must protect its text.
   ============================================================ */

/* Sections with gradient/primary backgrounds — protect text */
.page-hero *:not(.btn):not(.btn--primary):not(.btn--outline):not([class*="btn"]) {
  /* No direct color here; individual selectors above handle it */
}

/* Quiz CTA section text */
.quiz-cta-section p,
.quiz-cta-section h2,
.quiz-cta-section h3 {
  color: var(--color-white);
}

/* ============================================================
   85. PROS/CONS CARD LIST TEXT — ensure readable body text
   ============================================================ */

.pros-card .pros-cons-list li,
.cons-card .pros-cons-list li {
  color: var(--color-text-body) !important;
  font-size: var(--text-base);
  line-height: 1.65;
}

/* ============================================================
   86. SECTION HEADINGS INSIDE LIGHT SECTIONS — always dark
   Prevent main h2/h3 rule conflicts with custom section-title
   ============================================================ */

.section-title {
  color: var(--color-text-heading);
}

.section-label {
  color: var(--color-primary-600);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: block;
  margin-bottom: var(--space-3);
}

/* ============================================================
   87. CARD INTERNAL TEXT — ensure all card body text is visible
   ============================================================ */

/* Generic safety net: any card-like component */
.card p, .feature-card p, .who-card p, .care-card p,
.pricing-tier p, .hidden-cost-card p, .related-card p {
  color: var(--color-text-body);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.card h3, .feature-card h3, .who-card h3, .care-card h3,
.pricing-tier h3, .hidden-cost-card h3 {
  color: var(--color-text-heading);
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
}


/* ============================================================
   88. INLINE-HERO TEXT FIX — quiz, calc, color-picker pages
   These pages define hero with color:white on parent,
   but "main p" from external CSS overrides inherited white.
   ============================================================ */
.quiz-hero p,
.quiz-hero h1,
.quiz-hero__desc,
.quiz-hero__title {
  color: var(--color-white) !important;
}

.calc-hero p,
.calc-hero h1,
.calc-hero__desc,
.calc-hero__title {
  color: var(--color-white) !important;
}

.color-hero p,
.color-hero h1,
.color-hero__desc,
.color-hero__title {
  color: var(--color-white) !important;
}

/* Meta items and stat items in these heroes */
.quiz-hero .quiz-meta-item,
.quiz-hero .quiz-hero__meta span {
  color: rgba(255, 255, 255, 0.85) !important;
}


/* ============================================================
   89. ACCORDION COMPONENT
   Used in braces-metal, braces-clear, promo-installment
   ============================================================ */
.accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin: var(--space-6) 0;
}

.accordion__item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: box-shadow var(--transition-fast);
}

.accordion__item:hover {
  box-shadow: var(--shadow-sm);
}

.accordion__trigger {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-5) var(--space-6);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text-heading);
  font-family: var(--font-body);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  line-height: 1.5;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.accordion__trigger:hover {
  color: var(--color-primary-600);
  background: var(--color-surface-alt);
}

.accordion__trigger[aria-expanded="true"] {
  color: var(--color-primary-600);
  border-bottom: 1px solid var(--color-border);
}

.accordion__trigger::after {
  content: '+';
  font-size: var(--text-xl);
  font-weight: 400;
  flex-shrink: 0;
  line-height: 1;
  transition: transform var(--transition-fast);
  color: var(--color-primary-500);
}

.accordion__trigger[aria-expanded="true"]::after {
  content: '−';
}

.accordion__content {
  padding: var(--space-5) var(--space-6);
  display: none;
}

.accordion__content.is-open,
.accordion__item.is-open .accordion__content {
  display: block;
}

.accordion__content p {
  color: var(--color-text-body);
  font-size: var(--text-base);
  line-height: 1.75;
  margin-bottom: var(--space-3);
}

.accordion__content p:last-child {
  margin-bottom: 0;
}

.accordion__content ul,
.accordion__content ol {
  padding-left: var(--space-5);
  color: var(--color-text-body);
  line-height: 1.7;
}


/* ============================================================
   X. CUSTOM ICONS
   ============================================================ */
.icon-img {
  width: 24px;
  height: 24px;
  object-fit: contain;
  vertical-align: middle;
  margin-right: var(--space-2);
}
.article-card__img-icon {
  width: 48px;
  height: 48px;
  object-fit: contain;
  margin-bottom: var(--space-4);
  border-radius: var(--radius-full);
  background: var(--color-surface-alt);
  padding: var(--space-2);
  box-shadow: var(--shadow-sm);
}