:root {
  --color-primary: #0ea5e9;
  --color-primary-dark: #0284c7;
  --color-secondary: #06b6d4;
  --color-accent: #10b981;
  --color-accent-alt: #8b5cf6;
  --color-surface: #f8fafc;
  --color-surface-raised: #ffffff;
  --color-surface-soft: #f0f9ff;
  --color-surface-inset: #e0f2fe;
  --color-surface-dark: #0f172a;
  --color-surface-dark-mid: #1e293b;
  --color-surface-card: #1e293b;
  --color-text-primary: #0f172a;
  --color-text-secondary: #475569;
  --color-text-muted: #94a3b8;
  --color-text-light: #cbd5e1;
  --color-border: #e2e8f0;
  --color-border-dark: #334155;

  --gradient-primary: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 50%, #10b981 100%);
  --gradient-hero: linear-gradient(160deg, #0f172a 0%, #0c2340 40%, #0a3d2b 100%);
  --gradient-cta: linear-gradient(135deg, #0ea5e9 0%, #8b5cf6 100%);
  --gradient-text: linear-gradient(135deg, #0ea5e9, #06b6d4, #10b981);
  --gradient-text-light: linear-gradient(135deg, #7dd3fc, #a5f3fc, #6ee7b7);

  --shadow-sm: 0 1px 3px rgba(14,165,233,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(14,165,233,0.12), 0 2px 6px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 40px rgba(14,165,233,0.15), 0 4px 16px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 60px rgba(14,165,233,0.18), 0 8px 24px rgba(0,0,0,0.12);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  --nav-height: 72px;
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s ease;
}


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

html { scroll-behavior: smooth; }

body {
  font-family: 'Work Sans', sans-serif;
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }


.text-display {
  font-size: clamp(2.2rem, 5vw + 1rem, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
}

.text-heading {
  font-size: clamp(1.6rem, 3vw + 0.5rem, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--color-text-primary);
}

.text-subheading {
  font-size: clamp(1.1rem, 1.5vw + 0.3rem, 1.4rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text-primary);
}

.text-body {
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.75;
  color: var(--color-text-secondary);
}

.text-body-sm {
  font-size: 0.9rem;
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.text-body-light {
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.75;
  color: var(--color-text-light);
}

.text-caption {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.text-white { color: #ffffff !important; }
.text-accent { color: var(--color-accent); }

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

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


.surface { background-color: var(--color-surface); }
.surface-raised { background-color: var(--color-surface-raised); }
.surface-inset { background-color: var(--color-surface-inset); }
.surface-soft { background-color: var(--color-surface-soft); }
.surface-dark { background-color: var(--color-surface-dark); }
.surface-card { background-color: var(--color-surface-card); }


.space-section { padding: var(--space-2xl) 0; }
.space-card { padding: var(--space-md) var(--space-lg); }


.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}


.action-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  background: var(--gradient-primary);
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md), 0 0 0 0 rgba(14,165,233,0);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  min-height: 44px;
  white-space: nowrap;
}

.action-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 0 0 4px rgba(14,165,233,0.15);
}

.action-primary:active { transform: translateY(0); }

.action-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  background: transparent;
  color: var(--color-text-primary);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-border);
  transition: all var(--transition-base);
  min-height: 44px;
  white-space: nowrap;
}

.action-ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(14,165,233,0.06);
}

.action-white {
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255,255,255,0.3);
}

.action-white:hover {
  background: rgba(255,255,255,0.25);
  box-shadow: var(--shadow-lg);
}

.action-full { width: 100%; justify-content: center; }


.nav-root {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  transition: background var(--transition-slow), color var(--transition-slow), box-shadow var(--transition-slow);
}

.nav-root.nav-light {
  background: rgba(248,250,252,0.92);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
}

.nav-root.nav-dark {
  background: rgba(15,23,42,0.88);
  backdrop-filter: blur(20px);
}

.nav-root.nav-light .nav-link { color: var(--color-text-primary); }
.nav-root.nav-dark .nav-link { color: var(--color-text-light); }
.nav-root.nav-light .nav-brand-text { color: var(--color-text-primary); }
.nav-root.nav-dark .nav-brand-text { color: #ffffff; }
.nav-root.nav-dark .nav-hamburger span { background: #ffffff; }

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.nav-logo { width: 36px; height: 36px; }
.nav-brand-text { font-size: 1.1rem; font-weight: 700; letter-spacing: -0.01em; transition: color var(--transition-base); }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav-link {
  padding: 0.5rem 0.875rem;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  min-height: 44px;
  display: flex;
  align-items: center;
}

.nav-link:hover { background: rgba(14,165,233,0.1); color: var(--color-primary) !important; }
.nav-link.active { background: rgba(14,165,233,0.12); color: var(--color-primary) !important; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

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


.mobile-tab-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: rgba(15,23,42,0.96);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--color-border-dark);
  padding: 0.5rem 0;
  padding-bottom: calc(0.5rem + env(safe-area-inset-bottom));
}

.tab-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 0.4rem 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.7rem;
  font-weight: 500;
  flex: 1;
  min-height: 52px;
  justify-content: center;
  transition: color var(--transition-fast);
  border-radius: var(--radius-sm);
}

.tab-item i { font-size: 1.1rem; }
.tab-item.active { color: var(--color-primary); }
.tab-item:hover { color: var(--color-text-light); }


.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--gradient-hero);
}

.hero-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(14,165,233,0.15) 1px, transparent 0);
  background-size: 40px 40px;
  opacity: 0.6;
}

.hero-gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(14,165,233,0.25) 0%, transparent 70%);
  top: -200px; left: -200px;
  animation: orbFloat1 12s ease-in-out infinite;
}

.orb-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(6,182,212,0.2) 0%, transparent 70%);
  bottom: -150px; right: -100px;
  animation: orbFloat2 15s ease-in-out infinite;
}

.orb-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(16,185,129,0.2) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation: orbFloat3 8s ease-in-out infinite;
}

@keyframes orbFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(60px, 40px) scale(1.1); }
}
@keyframes orbFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-40px, -60px) scale(0.9); }
}
@keyframes orbFloat3 {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -50%) scale(1.2); }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding-top: calc(var(--nav-height) + 2rem);
  animation: heroEntrance 1s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes heroEntrance {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1.2rem;
  background: rgba(14,165,233,0.15);
  border: 1px solid rgba(14,165,233,0.3);
  border-radius: var(--radius-full);
  color: #7dd3fc;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-headline {
  color: #ffffff;
  margin-bottom: 1.5rem;
  animation: heroEntrance 1s 0.15s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.hero-lead {
  font-size: clamp(1rem, 1.5vw + 0.3rem, 1.2rem);
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  animation: heroEntrance 1s 0.25s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: heroEntrance 1s 0.35s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.hero-actions .action-ghost {
  color: var(--color-text-light);
  border-color: rgba(255,255,255,0.2);
}

.hero-actions .action-ghost:hover {
  color: #ffffff;
  border-color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.08);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.4);
  font-size: 1rem;
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.4; }
  50% { transform: translateX(-50%) translateY(8px); opacity: 0.8; }
}


.decorative-strip {
  background: var(--gradient-primary);
  padding: 0.875rem 0;
  overflow: hidden;
}

.strip-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding: 0 var(--space-md);
  color: #ffffff;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.strip-inner i { opacity: 0.8; }
.strip-dot { width: 4px; height: 4px; border-radius: 50%; background: rgba(255,255,255,0.5); flex-shrink: 0; }

.decorative-strip-wave {
  line-height: 0;
  overflow: hidden;
}

.decorative-strip-wave svg { width: 100%; height: 40px; display: block; }

.decorative-strip-dots {
  height: 40px;
  background: var(--color-surface);
  position: relative;
  overflow: hidden;
}

.dots-pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(14,165,233,0.3) 1px, transparent 0);
  background-size: 20px 20px;
}


.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-header-light { text-align: center; margin-bottom: var(--space-xl); }

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.section-label-light {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: 0.75rem;
}

.section-intro {
  max-width: 560px;
  margin: 1rem auto 0;
}


.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: auto;
  gap: 1.25rem;
}

.bento-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  padding: var(--space-lg);
}

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

.bento-wide {
  grid-column: span 7;
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.bento-card:nth-child(2) { grid-column: span 5; }
.bento-card:nth-child(3) { grid-column: span 5; }
.bento-tall { grid-column: span 4; }
.bento-accent-card { grid-column: span 3; background: var(--gradient-cta); }

.bento-card-inner { flex: 1; min-width: 0; }
.bento-image-wrap { flex-shrink: 0; width: 200px; border-radius: var(--radius-md); overflow: hidden; }
.bento-img { width: 100%; height: 100%; object-fit: cover; }

.bento-icon-wrap {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 1rem;
  flex-shrink: 0;
}

.bento-icon-blue { background: rgba(14,165,233,0.12); color: var(--color-primary); }
.bento-icon-teal { background: rgba(6,182,212,0.12); color: var(--color-secondary); }
.bento-icon-green { background: rgba(16,185,129,0.12); color: var(--color-accent); }
.bento-icon-purple { background: rgba(139,92,246,0.12); color: var(--color-accent-alt); }

.bento-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: 1rem;
  transition: gap var(--transition-fast), color var(--transition-fast);
}

.bento-link:hover { gap: 0.7rem; color: var(--color-primary-dark); }

.bento-tag-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1rem 0; }
.bento-tag {
  padding: 0.25rem 0.75rem;
  background: rgba(139,92,246,0.1);
  color: var(--color-accent-alt);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

.bento-accent-card { display: flex; align-items: center; }
.bento-accent-content { text-align: center; }
.bento-accent-icon { font-size: 2.5rem; color: rgba(255,255,255,0.8); margin-bottom: 1rem; }
.bento-accent-card .text-subheading { color: #ffffff; }
.bento-accent-card .text-body-light { font-size: 0.9rem; margin-top: 0.75rem; }


.features-section { position: relative; }

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.feature-box {
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-dark);
  background: rgba(255,255,255,0.04);
  transition: transform var(--transition-base), border-color var(--transition-base), background var(--transition-base);
}

.feature-box:hover {
  transform: translateY(-4px);
  border-color: rgba(14,165,233,0.3);
  background: rgba(14,165,233,0.06);
}

.feature-icon-wrap {
  width: 52px; height: 52px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  color: #ffffff;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-md);
}

.feature-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 0.75rem;
}

.feature-box .text-body-sm { color: var(--color-text-light); }


.image-feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.image-feature-text { }
.image-feature-text .text-body { margin-bottom: 1rem; }

.image-float-wrap {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: visible;
}

.image-float {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  transition: transform var(--transition-slow);
}

.image-float:hover { transform: scale(1.02); }

.image-float-badge {
  position: absolute;
  bottom: -1rem;
  left: -1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background: var(--gradient-primary);
  color: #ffffff;
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
}


.topics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.topic-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.topic-image-wrap {
  height: 200px;
  overflow: hidden;
}

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

.topic-card:hover .topic-img { transform: scale(1.05); }

.topic-content { }

.topic-category {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.topic-content .text-subheading { margin-bottom: 0.75rem; font-size: 1.05rem; }

.topic-read-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: 1rem;
  transition: gap var(--transition-fast);
}

.topic-read-link:hover { gap: 0.7rem; }


.cta-section {
  position: relative;
  overflow: hidden;
  background: var(--gradient-cta);
}

.cta-bg-gradient {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.08) 0%, transparent 60%),
    radial-gradient(circle at 70% 50%, rgba(255,255,255,0.05) 0%, transparent 60%);
}

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

.cta-icon {
  font-size: 3rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 1.5rem;
  display: block;
}

.cta-inner .text-heading { margin-bottom: 1.25rem; }
.cta-text { max-width: 520px; margin: 0 auto 2.5rem; }


.page-hero-small {
  position: relative;
  padding: calc(var(--nav-height) + 3rem) 0 3rem;
  overflow: hidden;
}

.page-hero-gradient {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  opacity: 0.97;
}

.page-hero-small .container { position: relative; z-index: 2; }

.page-hero-title { margin: 1rem 0 0.75rem; }
.page-hero-lead { max-width: 600px; }


.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.breadcrumb-link {
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  transition: color var(--transition-fast);
}

.breadcrumb-link:hover { color: var(--color-primary); }
.breadcrumb-sep { color: var(--color-text-muted); font-size: 0.7rem; }
.breadcrumb-current { color: var(--color-text-muted); }


.editorial-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.editorial-text .text-body { margin-bottom: 1rem; }

.editorial-img {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

.methodology-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.method-step { padding: var(--space-lg); }

.method-step-number {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}

.method-step .text-subheading { margin-bottom: 0.75rem; }

.sources-section { }
.sources-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
}

.source-item {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.source-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.source-icon {
  width: 52px; height: 52px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  color: #ffffff;
  margin: 0 auto 1rem;
}

.source-title { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.5rem; }


.advice-section { margin-bottom: var(--space-xl); }

.advice-header {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  margin-bottom: var(--space-lg);
}

.advice-header-light .text-heading { color: #ffffff; }

.advice-icon-wrap {
  width: 64px; height: 64px; flex-shrink: 0;
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
  margin-top: 0.25rem;
}

.advice-icon-blue { background: rgba(14,165,233,0.12); color: var(--color-primary); }
.advice-icon-teal { background: rgba(6,182,212,0.12); color: var(--color-secondary); }
.advice-icon-green { background: rgba(16,185,129,0.12); color: var(--color-accent); }
.advice-icon-purple { background: rgba(139,92,246,0.12); color: var(--color-accent-alt); }

.advice-content-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--space-xl);
  align-items: start;
}

.advice-content-reverse { grid-template-columns: 340px 1fr; }
.advice-content-reverse .advice-sidebar { order: -1; }

.advice-text .text-body { margin-bottom: 1rem; }

.advice-info-box {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.advice-info-dark { background: rgba(255,255,255,0.06); border: 1px solid var(--color-border-dark); }

.info-box-title {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--color-text-primary);
}

.info-list { padding-left: 0; }
.info-list li {
  padding: 0.4rem 0;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
}

.info-list li:last-child { border-bottom: none; }

.info-list-light li { color: var(--color-text-light); border-color: var(--color-border-dark); }

.advice-image-wrap { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }
.advice-img { width: 100%; height: 220px; object-fit: cover; }


.suggest-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.suggest-info .text-body { margin-bottom: 1rem; }

.suggest-examples {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.suggest-example-list { padding-left: 0; }
.suggest-example-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.5rem 0;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.suggest-note {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.suggest-note i { color: var(--color-primary); margin-top: 0.1rem; flex-shrink: 0; }

.suggest-form-card {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.form-title { margin-bottom: var(--space-md); }


.form-group { margin-bottom: 1.5rem; }

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1.125rem;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--color-text-primary);
  background: var(--color-surface-raised);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  min-height: 44px;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(14,165,233,0.12);
}

.form-input::placeholder,
.form-textarea::placeholder { color: var(--color-text-muted); }

.form-textarea { resize: vertical; min-height: 120px; }

.form-helper {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 0.35rem;
}

.form-group-check { display: flex; align-items: flex-start; gap: 0.75rem; }

.form-check-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  line-height: 1.5;
}

.form-checkbox {
  width: 18px;
  height: 18px;
  min-width: 18px;
  margin-top: 2px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.form-link { color: var(--color-primary); text-decoration: underline; transition: color var(--transition-fast); }
.form-link:hover { color: var(--color-primary-dark); }


.contact-page-grid {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: var(--space-2xl);
  align-items: start;
}

.contact-form-title { margin-bottom: var(--space-lg); }

.contact-info-block {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.contact-details-list { margin-top: 1rem; }
.contact-details-list li {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
  align-items: flex-start;
}

.contact-details-list li:last-child { border-bottom: none; }

.contact-detail-icon {
  width: 40px; height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: #ffffff;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.contact-detail-label { display: block; font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-muted); margin-bottom: 0.25rem; }
.contact-detail-value { font-size: 0.95rem; font-weight: 500; color: var(--color-text-primary); }
.contact-detail-link { color: var(--color-primary); transition: color var(--transition-fast); }
.contact-detail-link:hover { color: var(--color-primary-dark); }

.accessibility-note {
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.accessibility-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  font-size: 1rem;
}

.accessibility-title i { color: var(--color-accent); }

.map-wrap { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }


.thanks-main { min-height: 80vh; display: flex; align-items: center; }

.thanks-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-top: calc(var(--nav-height) + 2rem);
  padding-bottom: 4rem;
}


.envelope-scene {
  position: relative;
  width: 120px;
  height: 90px;
  margin: 0 auto 3rem;
}

.envelope-body {
  position: relative;
  width: 120px;
  height: 80px;
}

.envelope-bottom {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 80px;
  background: #e0f2fe;
  border-radius: 4px;
  border: 2px solid #7dd3fc;
}

.envelope-flap {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 44px;
  background: #bae6fd;
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  transform-origin: top center;
  transform: rotateX(0deg);
  animation: openFlap 0.8s 0.5s cubic-bezier(0.34,1.56,0.64,1) forwards;
  z-index: 3;
  border-radius: 4px 4px 0 0;
}

@keyframes openFlap {
  from { transform: rotateX(0deg); }
  to { transform: rotateX(-160deg); }
}

.envelope-letter {
  position: absolute;
  left: 12px; right: 12px;
  bottom: 10px;
  height: 60px;
  background: #ffffff;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  z-index: 2;
  transform: translateY(0px);
  animation: slideLetterUp 0.6s 1.1s cubic-bezier(0.34,1.56,0.64,1) forwards;
  padding: 10px 12px;
}

@keyframes slideLetterUp {
  from { transform: translateY(0); }
  to { transform: translateY(-50px); }
}

.letter-lines { display: flex; flex-direction: column; gap: 6px; }
.letter-lines span { display: block; height: 3px; background: var(--gradient-primary); border-radius: 2px; }
.letter-lines span:nth-child(1) { width: 80%; }
.letter-lines span:nth-child(2) { width: 65%; }
.letter-lines span:nth-child(3) { width: 45%; }

.envelope-drops { position: absolute; top: -20px; right: -10px; }
.drop { display: block; width: 8px; height: 10px; background: var(--color-primary); border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%; position: absolute; opacity: 0; animation: dropFall 0.5s ease forwards; }
.drop-1 { right: 0; top: 0; animation-delay: 1.4s; }
.drop-2 { right: 14px; top: 4px; animation-delay: 1.6s; width: 6px; height: 8px; }
.drop-3 { right: -10px; top: 8px; animation-delay: 1.8s; width: 5px; height: 7px; }

@keyframes dropFall {
  0% { opacity: 0; transform: translateY(-10px); }
  30% { opacity: 1; }
  100% { opacity: 0; transform: translateY(20px); }
}

.animate-thanks {
  animation: heroEntrance 0.7s 2s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.thanks-title { margin-bottom: 1rem; }
.thanks-body { max-width: 480px; margin: 0 auto 2.5rem; }
.thanks-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }


.footer-minimal {
  background: var(--color-surface-dark);
  border-top: 1px solid var(--color-border-dark);
  padding: 1.25rem 0;
  margin-top: auto;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-light);
  font-size: 0.9rem;
  font-weight: 600;
  flex-shrink: 0;
}

.footer-logo { width: 24px; height: 24px; }

.footer-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.footer-links a:hover { color: var(--color-primary); }
.footer-copy { font-size: 0.8rem; color: var(--color-text-muted); white-space: nowrap; }


.legal-container { max-width: 800px; }
.legal-content { }
.legal-intro { font-size: 1.05rem; margin-bottom: 2rem; }
.legal-contact-note { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--color-border); }

.legal-heading {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-surface-inset);
}

.legal-heading-letter {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-surface-inset);
}

.legal-heading-plain {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 2.5rem 0 1rem;
}

.legal-content .text-body { margin-bottom: 1rem; }

.legal-definition-box {
  background: linear-gradient(135deg, rgba(14,165,233,0.06), rgba(16,185,129,0.04));
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
}

.def-box-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.legal-list { padding-left: 0; margin: 1rem 0; }
.legal-list li {
  padding: 0.6rem 0 0.6rem 1.5rem;
  position: relative;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
}
.legal-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  width: 6px; height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
  transform: translateY(-50%);
}
.legal-list li:last-child { border-bottom: none; }

.term-highlight { color: var(--color-primary-dark); background: rgba(14,165,233,0.08); padding: 0.1em 0.3em; border-radius: 3px; }


.cookies-table-wrap { overflow-x: auto; margin: 1.5rem 0; }
.cookies-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.cookies-table th { background: var(--color-surface-inset); padding: 0.75rem 1rem; text-align: left; font-weight: 700; color: var(--color-text-primary); border-bottom: 2px solid var(--color-border); }
.cookies-table td { padding: 0.75rem 1rem; border-bottom: 1px solid var(--color-border); color: var(--color-text-secondary); }
.cookies-table tr:last-child td { border-bottom: none; }
.cookies-table code { background: var(--color-surface-inset); padding: 0.2em 0.4em; border-radius: 3px; font-size: 0.85em; }

.cookies-browsers-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
}

.browser-item {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.browser-item strong { display: block; margin-bottom: 0.4rem; font-size: 0.9rem; }


.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.in-view {
  opacity: 1;
  transform: translateY(0);
}


.cookie-trigger {
  position: fixed;
  bottom: 1.5rem;
  left: 1.5rem;
  z-index: 300;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  background: rgba(15,23,42,0.9);
  color: var(--color-text-light);
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-dark);
  cursor: pointer;
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
}

.cookie-trigger:hover {
  background: var(--color-surface-dark);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.cookie-trigger.pulse { animation: cookiePulse 2s ease-in-out 3; }

@keyframes cookiePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(14,165,233,0); }
  50% { box-shadow: 0 0 0 6px rgba(14,165,233,0.2); }
}

.cookie-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 400;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.cookie-modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.cookie-modal {
  background: var(--color-surface-raised);
  border-radius: var(--radius-xl);
  padding: 2rem;
  max-width: 500px;
  width: 100%;
  box-shadow: var(--shadow-xl);
  transform: scale(0.95) translateY(10px);
  transition: transform var(--transition-base);
}

.cookie-modal-overlay.open .cookie-modal { transform: scale(1) translateY(0); }

.cookie-modal-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cookie-modal-title i { color: var(--color-primary); }

.cookie-modal-desc { font-size: 0.875rem; color: var(--color-text-secondary); margin-bottom: 1.5rem; line-height: 1.6; }

.cookie-category {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--color-border);
}

.cookie-category:last-of-type { border-bottom: none; margin-bottom: 1.5rem; }

.cookie-cat-info strong { display: block; font-size: 0.9rem; font-weight: 600; margin-bottom: 0.2rem; }
.cookie-cat-info span { font-size: 0.8rem; color: var(--color-text-muted); }

.cookie-toggle {
  position: relative;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.cookie-toggle input { opacity: 0; width: 0; height: 0; }

.cookie-toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--transition-base);
}

.cookie-toggle-slider::before {
  content: '';
  position: absolute;
  left: 3px; top: 3px;
  width: 18px; height: 18px;
  background: #ffffff;
  border-radius: 50%;
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.cookie-toggle input:checked + .cookie-toggle-slider { background: var(--color-primary); }
.cookie-toggle input:checked + .cookie-toggle-slider::before { transform: translateX(20px); }
.cookie-toggle input:disabled + .cookie-toggle-slider { opacity: 0.5; cursor: not-allowed; }

.cookie-modal-actions { display: flex; gap: 0.75rem; }
.cookie-modal-actions .action-primary { flex: 1; justify-content: center; }
.cookie-btn-secondary {
  flex: 1;
  padding: 0.75rem;
  background: var(--color-surface);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 44px;
  font-family: inherit;
}

.cookie-btn-secondary:hover { border-color: var(--color-primary); color: var(--color-primary); }


@media (max-width: 1024px) {
  .bento-wide { grid-column: span 12; }
  .bento-card:nth-child(2) { grid-column: span 6; }
  .bento-card:nth-child(3) { grid-column: span 6; }
  .bento-tall { grid-column: span 6; }
  .bento-accent-card { grid-column: span 6; }
  .bento-wide .bento-image-wrap { display: none; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .sources-grid { grid-template-columns: repeat(2, 1fr); }
  .topics-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-page-grid { grid-template-columns: 1fr; }
  .advice-content-grid { grid-template-columns: 1fr; }
  .advice-content-reverse { grid-template-columns: 1fr; }
  .advice-content-reverse .advice-sidebar { order: 0; }
}

@media (max-width: 768px) {
  :root {
    --space-section: 3rem;
    --space-2xl: 3rem;
  }

  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .mobile-tab-bar { display: flex; }

  body { padding-bottom: 70px; }

  .space-section { padding: 3rem 0; }

  .bento-grid { grid-template-columns: 1fr; }
  .bento-wide, .bento-card:nth-child(2), .bento-card:nth-child(3), .bento-tall, .bento-accent-card { grid-column: span 1; }

  .features-grid { grid-template-columns: 1fr; }
  .image-feature-grid { grid-template-columns: 1fr; }
  .editorial-intro-grid { grid-template-columns: 1fr; }
  .methodology-grid { grid-template-columns: 1fr; }
  .sources-grid { grid-template-columns: 1fr 1fr; }
  .topics-grid { grid-template-columns: 1fr; }
  .suggest-grid { grid-template-columns: 1fr; }
  .cookies-browsers-grid { grid-template-columns: 1fr; }

  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .action-primary, .hero-actions .action-ghost { width: 100%; max-width: 300px; justify-content: center; }

  .footer-inner { flex-direction: column; text-align: center; gap: 0.75rem; }
  .footer-links { justify-content: center; }

  .strip-inner { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 0.25rem; }
  .strip-dot { display: none; }

  .page-hero-title { font-size: clamp(1.8rem, 8vw, 3rem); }

  .advice-content-grid { grid-template-columns: 1fr; }

  .cookie-trigger { bottom: 5.5rem; }

  .thanks-actions { flex-direction: column; align-items: center; }

  .contact-page-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .sources-grid { grid-template-columns: 1fr; }
  .space-card { padding: 1.25rem; }
  .bento-card { padding: 1.25rem; }
  .hero-badge { font-size: 0.75rem; }
}