/* ============================================================
   ThisDomainDontExist123 EDUCATION — DESIGN SYSTEM
   Stacked Paper Concept | 2026
============================================================ */


:root {
  
  --color-primary: #1A5C8F;
  --color-primary-dark: #134570;
  --color-primary-light: #D6EAF8;
  --color-secondary: #0E8A7A;
  --color-secondary-light: #CCF0EB;
  --color-accent: #2563EB;
  --color-accent-warm: #F59E0B;

  --color-background: #F7F5F0;
  --color-surface: #FDFCFA;
  --color-surface-alt: #F2EFE9;
  --color-surface-warm: #EDE9E0;
  --color-paper: #FFFEF9;

  --color-text-primary: #1C1A17;
  --color-text-secondary: #4A4540;
  --color-text-muted: #7A736A;
  --color-text-light: #9D968D;

  --color-highlight: #FEF08A;
  --color-highlight-blue: #BFDBFE;

  --color-border: #E4E0D8;
  --color-border-strong: #C8C2B8;

  
  --font-heading: 'Bricolage Grotesque', sans-serif;
  --font-body: 'Inter', sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: clamp(1.875rem, 4vw, 2.5rem);
  --text-5xl: clamp(2.25rem, 5vw, 3.5rem);
  --text-hero: clamp(2.75rem, 7vw, 5rem);

  
  --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;
  --space-32: 8rem;

  
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;

  
  --shadow-paper-sm: 0 -2px 0 0 var(--color-border), 0 4px 12px rgba(28,26,23,0.06), 0 1px 3px rgba(28,26,23,0.04);
  --shadow-paper-md: 0 -3px 0 0 var(--color-border), 0 8px 24px rgba(28,26,23,0.08), 0 2px 6px rgba(28,26,23,0.05);
  --shadow-paper-lg: 0 -4px 0 0 var(--color-border), 0 16px 40px rgba(28,26,23,0.10), 0 4px 12px rgba(28,26,23,0.06);
  --shadow-card: 0 2px 8px rgba(28,26,23,0.06), 0 1px 3px rgba(28,26,23,0.04);
  --shadow-card-hover: 0 8px 24px rgba(28,26,23,0.12), 0 3px 8px rgba(28,26,23,0.06);
  --shadow-nav: 0 2px 16px rgba(28,26,23,0.10), 0 1px 4px rgba(28,26,23,0.06);
  --shadow-button: 0 2px 8px rgba(26,92,143,0.25), 0 1px 3px rgba(26,92,143,0.15);
  --shadow-button-hover: 0 6px 20px rgba(26,92,143,0.35), 0 2px 6px rgba(26,92,143,0.20);
  --shadow-floating: 0 8px 32px rgba(28,26,23,0.16), 0 3px 10px rgba(28,26,23,0.08);

  
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  
  --max-width: 1280px;
  --nav-height: 80px;
}


*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-background);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

body main {
  flex: 1;
}

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

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

a:hover {
  color: var(--color-primary-dark);
}

ul {
  list-style: none;
}


h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

p {
  color: var(--color-text-secondary);
  line-height: 1.7;
}


.content-container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}


.stacked-paper-layer {
  position: relative;
  background-color: var(--color-paper);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  margin-top: -60px;
  padding-top: calc(var(--space-20) + 60px);
  padding-bottom: var(--space-20);
  box-shadow: var(--shadow-paper-md);
  z-index: 1;
}

.stacked-paper-layer:first-child,
.hero-section {
  margin-top: 0;
  border-radius: 0;
  padding-top: calc(var(--nav-height) + var(--space-20));
  box-shadow: none;
}

.stacked-paper-layer.alt-bg {
  background-color: var(--color-surface-alt);
}


.stacked-paper-layer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  opacity: 0.6;
}


.button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.button:active {
  transform: scale(0.97);
}

.button-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-button);
}

.button-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: var(--shadow-button-hover);
  transform: translateY(-1px);
  color: #FFFFFF;
}

.button-ghost {
  background-color: transparent;
  color: var(--color-primary);
  border-color: transparent;
}

.button-ghost:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.button-outline {
  background-color: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-border-strong);
}

.button-outline:hover {
  background-color: var(--color-surface-warm);
  border-color: var(--color-text-secondary);
  color: var(--color-text-primary);
}

.button-large {
  font-size: var(--text-base);
  padding: var(--space-4) var(--space-8);
}


.main-navigation {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--color-paper);
  box-shadow: var(--shadow-nav);
  height: var(--nav-height);
  transition: all var(--transition-base);
}

.navigation-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.navigation-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.navigation-logo-text {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1;
}

.logo-accent {
  color: var(--color-primary);
  display: block;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.navigation-links {
  display: none;
  align-items: center;
  gap: var(--space-1);
  flex: 1;
}

.navigation-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.navigation-link:hover {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.navigation-link.active {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  font-weight: 600;
}

.navigation-actions {
  display: none;
  align-items: center;
  gap: var(--space-3);
  margin-left: auto;
}

.mobile-menu-trigger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  margin-left: auto;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.mobile-menu-trigger:hover {
  background-color: var(--color-surface-alt);
}

.hamburger-line {
  width: 22px;
  height: 2px;
  background-color: var(--color-text-primary);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  display: block;
}


.floating-pill-nav {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: all var(--transition-base);
}

.floating-pill-nav.visible {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

.floating-pill-button {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background-color: var(--color-primary);
  color: #FFFFFF;
  border: none;
  border-radius: var(--radius-full);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-floating);
  transition: all var(--transition-base);
}

.floating-pill-button:hover {
  background-color: var(--color-primary-dark);
  transform: scale(1.03);
  box-shadow: 0 12px 36px rgba(28,26,23,0.20);
}

.floating-pill-button:active {
  transform: scale(0.98);
}


.mobile-menu-flipcard {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1100;
  height: var(--nav-height);
  perspective: 1200px;
  pointer-events: none;
  opacity: 0;
}

.mobile-menu-flipcard.open {
  pointer-events: all;
  opacity: 1;
  height: 100vh;
}

.mobile-menu-flipcard-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu-flipcard-inner.flipped {
  transform: rotateX(-180deg);
}

.mobile-menu-front,
.mobile-menu-back {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.mobile-menu-front {
  height: var(--nav-height);
  background-color: var(--color-paper);
  box-shadow: var(--shadow-nav);
  display: flex;
  align-items: center;
}

.mobile-menu-header-replica {
  width: 100%;
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-menu-back {
  height: 100vh;
  background-color: var(--color-paper);
  transform: rotateX(180deg);
  display: flex;
  align-items: stretch;
}

.mobile-menu-back-content {
  width: 100%;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  overflow-y: auto;
}

.mobile-menu-close,
.mobile-menu-back-close {
  background: none;
  border: none;
  cursor: pointer;
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
}

.mobile-menu-back-close {
  align-self: flex-end;
}

.mobile-menu-close:hover,
.mobile-menu-back-close:hover {
  background-color: var(--color-surface-alt);
  color: var(--color-text-primary);
}

.mobile-navigation-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mobile-navigation-link {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text-primary);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
  display: block;
}

.mobile-navigation-link:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  padding-left: var(--space-6);
}

.mobile-menu-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(28,26,23,0.5);
  z-index: 1050;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.mobile-menu-overlay.visible {
  opacity: 1;
  pointer-events: all;
}


.hero-section {
  background: linear-gradient(135deg, var(--color-paper) 0%, #EBF4FB 50%, var(--color-surface-alt) 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  position: relative;
}

.hero-decorative-circle {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(26,92,143,0.06) 0%, transparent 70%);
  top: -100px;
  right: -150px;
  pointer-events: none;
}

.hero-decorative-ring {
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  border: 60px solid rgba(14,138,122,0.06);
  bottom: 60px;
  left: -80px;
  pointer-events: none;
}

.hero-content-wrapper {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-20) var(--space-6) var(--space-16);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
  width: 100%;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-6);
}

.eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-primary);
  flex-shrink: 0;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.8); }
}

.hero-headline {
  font-size: var(--text-hero);
  font-weight: 800;
  line-height: 1.05;
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
}

.hero-headline em {
  font-style: italic;
  color: var(--color-primary);
}

.headline-highlight-word {
  position: relative;
  display: inline-block;
}

.headline-highlight-word::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  right: 0;
  height: 8px;
  background-color: var(--color-highlight);
  z-index: -1;
  border-radius: 2px;
}

.hero-description {
  font-size: var(--text-lg);
  line-height: 1.7;
  color: var(--color-text-secondary);
  max-width: 560px;
  margin-bottom: var(--space-8);
}

.hero-action-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.hero-image-frame {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-paper-lg);
}

.hero-main-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
  display: block;
}

.hero-image-badge {
  position: absolute;
  bottom: var(--space-5);
  left: var(--space-5);
  background-color: var(--color-paper);
  border-radius: var(--radius-full);
  padding: var(--space-3) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  box-shadow: var(--shadow-card);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.scroll-indicator-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-primary), transparent);
  animation: scrollAnim 1.5s ease-in-out infinite;
}

@keyframes scrollAnim {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(0.5); opacity: 0.4; }
}


.section-header {
  margin-bottom: var(--space-12);
}

.section-header.centered {
  text-align: center;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.section-overline {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.section-heading {
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
  line-height: 1.1;
}

.section-subtext {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: 1.7;
}


.topic-card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.topic-card {
  background-color: var(--color-paper);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.topic-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.topic-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
  border-color: var(--color-border-strong);
}

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

.topic-card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background-color: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  font-size: var(--text-xl);
  color: var(--icon-color, var(--color-primary));
  transition: transform var(--transition-base);
}

.topic-card:hover .topic-card-icon {
  transform: scale(1.1) rotate(-3deg);
}

.topic-card-title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
  color: var(--color-text-primary);
}

.topic-card-text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-5);
}

.topic-card-link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: all var(--transition-fast);
}

.topic-card-link:hover {
  gap: var(--space-3);
  color: var(--color-primary-dark);
}


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

.approach-decorative {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14,138,122,0.05) 0%, transparent 70%);
  right: -100px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}

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

.approach-image-stack {
  position: relative;
}

.approach-main-image {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-paper-md);
  object-fit: cover;
  height: 400px;
}

.approach-image-overlay-card {
  position: absolute;
  bottom: -var(--space-6);
  right: var(--space-6);
  background: var(--color-paper);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  box-shadow: var(--shadow-card-hover);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}

.approach-image-overlay-card i {
  font-size: var(--text-lg);
}

.approach-body-text {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: var(--space-5);
}

.approach-feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.approach-feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.feature-check {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--color-secondary-light);
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  flex-shrink: 0;
  margin-top: 2px;
}


.text-highlight-scroll {
  background-color: transparent;
  padding: 0 4px;
  border-radius: var(--radius-sm);
  transition: background-color 0.5s ease;
}

.text-highlight-scroll.highlighted {
  background-color: var(--color-highlight);
}

.highlight-on-scroll {
  transition: box-shadow var(--transition-slow), transform var(--transition-slow);
}

.highlight-on-scroll.in-view {
  box-shadow: var(--shadow-card-hover);
}


.spotlight-article-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.spotlight-article-card {
  background-color: var(--color-paper);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

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

.article-image-wrapper {
  overflow: hidden;
  height: 200px;
}

.article-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.spotlight-article-card:hover .article-image {
  transform: scale(1.04);
}

.article-card-content {
  padding: var(--space-6);
}

.article-category {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  display: inline-block;
  margin-bottom: var(--space-4);
}

.article-title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.article-excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-5);
}

.article-read-link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: all var(--transition-fast);
}

.article-read-link:hover {
  gap: var(--space-3);
}


.minimal-cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  text-align: center;
}

.minimal-cta-inner {
  position: relative;
  max-width: 680px;
  margin: 0 auto;
}

.minimal-cta-decoration {
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  right: -80px;
  top: -60px;
  pointer-events: none;
}

.minimal-cta-headline {
  font-size: var(--text-4xl);
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: var(--space-5);
  line-height: 1.15;
}

.minimal-cta-headline .text-highlight-scroll {
  color: var(--color-highlight);
}

.minimal-cta-headline .text-highlight-scroll.highlighted {
  background-color: transparent;
}

.minimal-cta-subtext {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.8);
  margin-bottom: var(--space-8);
  line-height: 1.6;
}

.minimal-cta-section .button-primary {
  background-color: #FFFFFF;
  color: var(--color-primary);
  border-color: #FFFFFF;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}

.minimal-cta-section .button-primary:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
  border-color: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
}


.team-card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

.team-member-card {
  background-color: var(--color-paper);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.team-member-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}

.team-member-photo-wrapper {
  height: 260px;
  overflow: hidden;
}

.team-member-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.team-member-card:hover .team-member-photo {
  transform: scale(1.04);
}

.team-member-info {
  padding: var(--space-6);
  flex: 1;
}

.team-member-name {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.team-member-role {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.team-member-bio {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}


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

.guide-body {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: var(--space-5);
}

.guide-preview-image {
  position: relative;
}

.guide-image {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-paper-md);
  object-fit: cover;
  height: 360px;
}

.guide-image-tag {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  background: var(--color-paper);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent-warm);
  box-shadow: var(--shadow-card);
}


.page-footer {
  margin-top: auto;
}

.footer-paper-layer {
  background-color: var(--color-text-primary);
  padding: var(--space-16) 0 var(--space-8);
}

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

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  margin-bottom: var(--space-4);
}

.footer-logo span {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: #FFFFFF;
}

.footer-logo .logo-accent {
  color: rgba(214,234,248,0.8);
}

.footer-brand-desc {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

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

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
}

.footer-contact-item i {
  color: var(--color-primary-light);
  margin-top: 3px;
  flex-shrink: 0;
  width: 16px;
}

.footer-contact-item a {
  color: rgba(255,255,255,0.6);
  transition: color var(--transition-fast);
}

.footer-contact-item a:hover {
  color: #FFFFFF;
}

.footer-col-heading {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.4);
  margin-bottom: var(--space-5);
}

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

.footer-link-list a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.65);
  transition: all var(--transition-fast);
  text-decoration: none;
  display: inline-block;
}

.footer-link-list a:hover {
  color: #FFFFFF;
  transform: translateX(3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-copyright {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.4);
}

.footer-disclaimer {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.3);
  line-height: 1.6;
  max-width: 700px;
}


.page-hero-section {
  background: linear-gradient(135deg, #EBF4FB 0%, var(--color-paper) 60%);
  padding: calc(var(--nav-height) + var(--space-16)) var(--space-6) var(--space-16);
}

.page-hero-section.science-hero {
  background: linear-gradient(135deg, #E8F4F8 0%, #F0EBF8 100%);
}

.page-hero-section.guide-hero {
  background: linear-gradient(135deg, var(--color-secondary-light) 0%, var(--color-paper) 70%);
}

.page-hero-content {
  max-width: 760px;
}

.page-hero-headline {
  font-size: var(--text-5xl);
  font-weight: 800;
  margin-bottom: var(--space-5);
  color: var(--color-text-primary);
}

.page-hero-description {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  line-height: 1.65;
}


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

.philosophy-body {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: var(--space-5);
}

.philosophy-image {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-paper-md);
  object-fit: cover;
  height: 380px;
}

.standards-card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.standard-card {
  background-color: var(--color-paper);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
}

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

.standard-number {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--color-primary-light);
  line-height: 1;
  margin-bottom: var(--space-4);
}

.standard-title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.standard-body {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

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

.process-image {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-paper-md);
  object-fit: cover;
  height: 400px;
}

.process-step-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.process-step {
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
}

.process-step-marker {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: var(--text-base);
  box-shadow: var(--shadow-button);
}

.process-step-title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.process-step-body {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}


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

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

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

.science-topic-grid.reversed .science-topic-text {
  order: -1;
}

.science-topic-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-5);
}

.energy-tag { background-color: #DBEAFE; color: #1E40AF; }
.electrolyte-tag { background-color: #CFFAFE; color: #0E7490; }
.skin-tag { background-color: #EDE9FE; color: #6D28D9; }
.organ-tag { background-color: #D1FAE5; color: #065F46; }

.science-body {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: var(--space-5);
}

.science-callout-box {
  background-color: var(--color-primary-light);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--space-4) var(--space-5);
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  margin-top: var(--space-6);
}

.science-callout-box i {
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 3px;
}

.science-callout-box p {
  font-size: var(--text-sm);
  color: var(--color-primary-dark);
  line-height: 1.6;
}

.science-topic-image {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-paper-md);
  object-fit: cover;
  height: 380px;
}

.electrolyte-visual-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.electrolyte-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-paper);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.electrolyte-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-card);
}

.electrolyte-badge {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--text-sm);
  flex-shrink: 0;
}

.electrolyte-badge.sodium { background-color: #DBEAFE; color: #1D4ED8; }
.electrolyte-badge.potassium { background-color: #D1FAE5; color: #065F46; }
.electrolyte-badge.magnesium { background-color: #FEF9C3; color: #92400E; }

.electrolyte-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.electrolyte-info strong {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text-primary);
}

.electrolyte-info span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}


.guide-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background-color: var(--color-secondary-light);
  color: var(--color-secondary);
  font-size: var(--text-sm);
  font-weight: 700;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}

.guide-chapter-nav {
  margin-top: var(--space-8);
}

.guide-chapter-nav-label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.guide-chapter-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.guide-chapter-link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.guide-chapter-link:hover {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

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

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

.guide-chapter-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
}

.chapter-marker {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-1);
}

.chapter-number-label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
}

.chapter-number {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 800;
  color: var(--color-primary-light);
  line-height: 1;
}

.guide-chapter-title {
  font-size: var(--text-3xl);
  font-weight: 800;
  margin-bottom: var(--space-6);
  color: var(--color-text-primary);
}

.guide-body-text {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-5);
}

.guide-concept-highlight {
  background-color: var(--color-secondary-light);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-top: var(--space-6);
  border-left: 4px solid var(--color-secondary);
}

.concept-highlight-title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: var(--space-3);
}

.concept-highlight-body {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}


.contact-page-main {
  padding-top: var(--nav-height);
}

.inquiry-form-section {
  padding: var(--space-16) 0;
}

.inquiry-form-container {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

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

.inquiry-form-headline {
  font-size: var(--text-4xl);
  font-weight: 800;
  margin-bottom: var(--space-4);
}

.inquiry-form-intro {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.inquiry-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.form-field-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-field-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
}

.form-field-input,
.form-field-textarea {
  width: 100%;
  padding: var(--space-4) var(--space-5);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  background-color: var(--color-paper);
  transition: all var(--transition-base);
  outline: none;
  appearance: none;
}

.form-field-input:focus,
.form-field-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(26,92,143,0.12);
  background-color: var(--color-surface);
}

.form-field-input:hover,
.form-field-textarea:hover {
  border-color: var(--color-border-strong);
}

.form-field-input.error,
.form-field-textarea.error {
  border-color: #DC2626;
  box-shadow: 0 0 0 4px rgba(220,38,38,0.08);
}

.form-field-textarea {
  resize: vertical;
  min-height: 160px;
  line-height: 1.6;
}

.form-field-helper {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
}

.form-field-error {
  font-size: var(--text-xs);
  color: #DC2626;
  font-weight: 600;
  min-height: 1rem;
  display: block;
}

.form-optional-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 400;
}

.form-privacy-group {
  background-color: var(--color-surface-alt);
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.form-privacy-label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
}

.form-privacy-checkbox {
  width: 20px;
  height: 20px;
  min-width: 20px;
  margin-top: 2px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.form-privacy-text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.form-privacy-text a {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: underline;
}

.form-submit-button {
  background-color: var(--color-primary);
  color: #FFFFFF;
  border: none;
  border-radius: var(--radius-full);
  padding: var(--space-5) var(--space-10);
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  box-shadow: var(--shadow-button);
  transition: all var(--transition-base);
  width: 100%;
}

.form-submit-button:hover {
  background-color: var(--color-primary-dark);
  box-shadow: var(--shadow-button-hover);
  transform: translateY(-2px);
}

.form-submit-button:active {
  transform: translateY(0) scale(0.98);
}


.contact-faq-section {
  margin-top: var(--space-16);
  padding-top: var(--space-16);
  border-top: 1px solid var(--color-border);
}

.contact-faq-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-8);
  color: var(--color-text-primary);
}

.contact-faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.contact-faq-item {
  background-color: var(--color-surface-alt);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.contact-faq-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-card);
}

.faq-question {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.faq-question i {
  color: var(--color-primary);
  font-size: var(--text-base);
  flex-shrink: 0;
}

.faq-answer {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}


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

.contact-map-info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: start;
}

.contact-info-panel {
  background-color: var(--color-paper);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
}

.contact-info-heading {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-6);
}

.contact-info-detail {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  margin-bottom: var(--space-6);
}

.contact-info-detail:last-child {
  margin-bottom: 0;
}

.contact-info-detail i {
  width: 40px;
  height: 40px;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: var(--text-base);
}

.contact-info-detail strong {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  display: block;
  margin-bottom: var(--space-1);
}

.contact-info-detail p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.contact-info-detail a {
  color: var(--color-primary);
  font-weight: 500;
}

.contact-map-wrapper {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
}


.thanks-hero-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  padding: calc(var(--nav-height) + var(--space-20)) var(--space-6) var(--space-20);
  text-align: center;
  min-height: 50vh;
  display: flex;
  align-items: center;
}

.thanks-hero-inner {
  max-width: 640px;
  margin: 0 auto;
}

.thanks-celebration-icon {
  font-size: 4rem;
  color: rgba(255,255,255,0.9);
  margin-bottom: var(--space-6);
  animation: celebrationBounce 0.8s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

@keyframes celebrationBounce {
  0% { transform: scale(0.3); opacity: 0; }
  50% { transform: scale(1.1); }
  70% { transform: scale(0.9); }
  100% { transform: scale(1); opacity: 1; }
}

.thanks-headline {
  font-size: var(--text-5xl);
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: var(--space-5);
}

.thanks-subtext {
  font-size: var(--text-xl);
  color: rgba(255,255,255,0.82);
  line-height: 1.6;
}

.thanks-next-steps-section {
  background-color: var(--color-paper);
  padding: var(--space-20) 0;
}

.thanks-next-steps-inner {
  max-width: 840px;
  margin: 0 auto;
  text-align: center;
}

.thanks-next-title {
  font-size: var(--text-3xl);
  font-weight: 800;
  margin-bottom: var(--space-4);
}

.thanks-next-body {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-10);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.thanks-link-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  margin-bottom: var(--space-10);
}

.thanks-nav-card {
  background-color: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-decoration: none;
  transition: all var(--transition-base);
  text-align: left;
  display: block;
}

.thanks-nav-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
  background-color: var(--color-primary-light);
}

.thanks-nav-card i {
  font-size: var(--text-2xl);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  display: block;
}

.thanks-nav-card h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.thanks-nav-card p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}


.legal-page-header {
  background: linear-gradient(135deg, var(--color-surface-alt) 0%, var(--color-paper) 100%);
  padding: calc(var(--nav-height) + var(--space-12)) var(--space-6) var(--space-12);
  border-bottom: 1px solid var(--color-border);
}

.legal-page-header.terms-header {
  background: linear-gradient(135deg, #EDE9FE 0%, var(--color-paper) 100%);
}

.legal-page-header.cookies-header {
  background: linear-gradient(135deg, var(--color-secondary-light) 0%, var(--color-paper) 100%);
}

.legal-page-title {
  font-size: var(--text-5xl);
  font-weight: 800;
  margin-bottom: var(--space-3);
}

.legal-last-updated {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 600;
  margin-bottom: var(--space-5);
}

.legal-intro-text {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.75;
  max-width: 800px;
}


.legal-toc-mobile {
  background-color: var(--color-surface-alt);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) 0;
}

.legal-toc-dropdown {
  cursor: pointer;
}

.legal-toc-dropdown-trigger {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
  padding: var(--space-3) 0;
  list-style: none;
  user-select: none;
}

.legal-toc-dropdown-trigger::-webkit-details-marker {
  display: none;
}

.legal-toc-mobile-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-top: var(--space-4);
}

.legal-toc-mobile-nav a {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.legal-toc-mobile-nav a:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}


.legal-document-layout {
  display: grid;
  grid-template-columns: 1fr;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-10) var(--space-6);
  gap: var(--space-10);
}

.legal-sidebar-toc {
  display: none;
}

.legal-toc-sticky {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-6));
}

.legal-toc-heading {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.legal-toc-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.legal-toc-link {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-fast);
  border-left: 2px solid transparent;
  line-height: 1.4;
}

.legal-toc-link:hover {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  border-left-color: var(--color-primary);
}

.legal-toc-link.active {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  border-left-color: var(--color-primary);
  font-weight: 600;
}

.legal-content-area {
  min-width: 0;
}

.legal-section {
  margin-bottom: var(--space-12);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid var(--color-border);
  scroll-margin-top: calc(var(--nav-height) + var(--space-8));
}

.legal-section:last-child {
  border-bottom: none;
}

.legal-section-heading {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-primary-light);
}

.legal-subsection-heading {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
}

.legal-section p {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-4);
}

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

.legal-contact-block {
  background-color: var(--color-surface-alt);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  margin-top: var(--space-4);
}

.legal-contact-block p {
  margin-bottom: var(--space-2) !important;
  font-size: var(--text-sm) !important;
}

.legal-contact-block a {
  color: var(--color-primary);
  font-weight: 500;
}


.legal-cookie-table-wrapper {
  overflow-x: auto;
  margin-top: var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

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

.legal-cookie-table thead {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.legal-cookie-table th {
  padding: var(--space-3) var(--space-5);
  text-align: left;
  font-weight: 700;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.legal-cookie-table td {
  padding: var(--space-3) var(--space-5);
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
}

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

.legal-cookie-table tbody tr:hover {
  background-color: var(--color-surface-alt);
}


.cookie-consent-modal {
  position: fixed;
  bottom: var(--space-5);
  left: var(--space-5);
  z-index: 9000;
  background-color: var(--color-paper);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  max-width: 360px;
  width: calc(100% - var(--space-10));
  box-shadow: var(--shadow-floating);
  border: 1px solid var(--color-border);
  display: none;
  flex-direction: column;
  gap: var(--space-4);
  animation: slideUpModal 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

.cookie-consent-modal.visible {
  display: flex;
}

@keyframes slideUpModal {
  from { opacity: 0; transform: translateY(20px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.cookie-consent-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.cookie-consent-icon {
  width: 36px;
  height: 36px;
  background-color: var(--color-primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: var(--text-lg);
  flex-shrink: 0;
}

.cookie-consent-title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text-primary);
}

.cookie-consent-text {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.cookie-consent-customize {
  background-color: var(--color-surface-alt);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  border: 1px solid var(--color-border);
  animation: expandDown 0.3s ease both;
}

@keyframes expandDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.cookie-toggle-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  cursor: pointer;
}

.cookie-toggle-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.cookie-required-badge {
  font-size: 10px;
  font-weight: 600;
  background-color: var(--color-border);
  color: var(--color-text-muted);
  padding: 2px 6px;
  border-radius: var(--radius-full);
}

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

.cookie-consent-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.cookie-button-accept,
.cookie-button-decline,
.cookie-button-customize {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
}

.cookie-button-accept {
  background-color: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}

.cookie-button-accept:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-1px);
}

.cookie-button-decline {
  background-color: transparent;
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}

.cookie-button-decline:hover {
  background-color: var(--color-surface-alt);
  border-color: var(--color-border-strong);
}

.cookie-button-customize {
  background-color: transparent;
  color: var(--color-primary);
  border-color: transparent;
  font-size: var(--text-xs);
}

.cookie-button-customize:hover {
  background-color: var(--color-primary-light);
}


@media (min-width: 640px) {
  .topic-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .spotlight-article-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .large-card {
    grid-column: 1 / -1;
  }

  .large-card .article-image-wrapper {
    height: 300px;
  }

  .team-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .thanks-link-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .contact-faq-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .standards-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}


@media (min-width: 1024px) {
  .navigation-links {
    display: flex;
  }

  .navigation-actions {
    display: flex;
  }

  .mobile-menu-trigger {
    display: none;
  }

  .hero-content-wrapper {
    grid-template-columns: 1fr 1fr;
    padding: var(--space-16) var(--space-6);
    min-height: 100vh;
    align-items: center;
  }

  .hero-main-image {
    height: 520px;
  }

  .approach-preview-grid {
    grid-template-columns: 1fr 1fr;
  }

  .philosophy-grid {
    grid-template-columns: 1fr 1fr;
  }

  .process-grid {
    grid-template-columns: 1fr 1fr;
  }

  .science-topic-grid {
    grid-template-columns: 1fr 1fr;
  }

  .science-topic-grid.reversed .science-topic-text {
    order: 0;
  }

  .guide-chapter-grid {
    grid-template-columns: 180px 1fr;
  }

  .guide-preview-grid {
    grid-template-columns: 1fr 1fr;
  }

  .contact-map-info-grid {
    grid-template-columns: 300px 1fr;
  }

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }

  .legal-document-layout {
    grid-template-columns: 240px 1fr;
    padding: var(--space-12) var(--space-8);
  }

  .legal-sidebar-toc {
    display: block;
  }

  .legal-toc-mobile {
    display: none;
  }

  .spotlight-article-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }

  .large-card {
    grid-column: auto;
  }

  .large-card .article-image-wrapper {
    height: 260px;
  }

  .team-card-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .standards-card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}


@media (min-width: 1280px) {
  .content-container {
    padding: 0 var(--space-8);
  }
}


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


@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in-up {
  animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) both;
}


@media print {
  .main-navigation,
  .floating-pill-nav,
  .mobile-menu-flipcard,
  .cookie-consent-modal {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }

  .stacked-paper-layer {
    box-shadow: none;
    margin-top: 0;
    padding-top: var(--space-8);
  }
}