/* ============================================
   GlassesPedia — Playful Geometric Design System
   Memphis-inspired, bouncy, confetti, hard shadows.
   "Stable Grid, Wild Decoration"
   ============================================ */

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

:root {
  /* Playful Geometric Color Tokens */
  --bg:              #FFFDF5;
  --foreground:      #1E293B;
  --muted:           #F1F5F9;
  --muted-fg:        #64748B;
  --accent:          #8B5CF6;
  --accent-fg:       #FFFFFF;
  --secondary:       #F472B6;
  --tertiary:        #FBBF24;
  --quaternary:      #34D399;
  --border:          #E2E8F0;
  --card:            #FFFFFF;
  --ring:            #8B5CF6;

  /* Typography */
  --font-heading: 'Outfit', system-ui, sans-serif;
  --font-body:    'Plus Jakarta Sans', system-ui, sans-serif;

  /* Radius */
  --radius-sm:   8px;
  --radius-md:   16px;
  --radius-lg:   24px;
  --radius-full: 9999px;

  /* Shadows — Hard "Pop" style */
  --shadow:        4px 4px 0px 0px var(--foreground);
  --shadow-hover:  6px 6px 0px 0px var(--foreground);
  --shadow-active: 2px 2px 0px 0px var(--foreground);
  --shadow-soft:   8px 8px 0px 0px var(--border);
  --shadow-accent: 6px 6px 0px 0px var(--accent);
  --shadow-pink:   6px 6px 0px 0px var(--secondary);

  /* Bounce easing */
  --bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --smooth: cubic-bezier(0.16, 1, 0.3, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--foreground);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  /* Dot grid background */
  background-image: radial-gradient(circle, #E2E8F0 1px, transparent 1px);
  background-size: 32px 32px;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ================== NAV ================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  background: rgba(255, 253, 245, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--foreground);
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--accent);
  background: var(--tertiary);
  border: 2px solid var(--foreground);
  border-radius: var(--radius-full);
  padding: 6px 16px;
  box-shadow: 3px 3px 0px 0px var(--foreground);
  transition: all 0.3s var(--bounce);
}

.nav-logo:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0px 0px var(--foreground);
}

.nav-center {
  display: flex;
  gap: 8px;
}

.nav-center a {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--foreground);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  transition: all 0.3s var(--bounce);
}

.nav-center a:hover {
  background: var(--muted);
  border-color: var(--foreground);
  box-shadow: var(--shadow-active);
  transform: translate(-1px, -1px);
}

.nav-toggle {
  display: none;
  background: var(--accent);
  border: 2px solid var(--foreground);
  border-radius: var(--radius-full);
  cursor: pointer;
  width: 44px; height: 44px;
  position: relative;
  box-shadow: 3px 3px 0px 0px var(--foreground);
  transition: all 0.3s var(--bounce);
}

.nav-toggle:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0px 0px var(--foreground);
}

.nav-toggle span {
  display: block;
  width: 18px; height: 2.5px;
  background: white;
  position: absolute;
  left: 50%; transform: translateX(-50%);
  border-radius: 2px;
  transition: 0.3s var(--bounce);
}

.nav-toggle span:first-child { top: 14px; }
.nav-toggle span:last-child { bottom: 14px; }
.nav-toggle.open span:first-child { top: 19px; transform: translateX(-50%) rotate(45deg); }
.nav-toggle.open span:last-child { bottom: 19px; transform: translateX(-50%) rotate(-45deg); }

@media (max-width: 768px) {
  .nav { padding: 12px 20px; }
  .nav-center {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--bg);
    background-image: radial-gradient(circle, #E2E8F0 1px, transparent 1px);
    background-size: 32px 32px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    z-index: 99;
  }
  .nav-center.open { display: flex; }
  .nav-center a {
    font-size: 1.5rem;
    font-weight: 700;
    padding: 12px 32px;
    border: 2px solid var(--foreground);
    box-shadow: var(--shadow);
    background: var(--card);
  }
  .nav-toggle { display: block; z-index: 101; }
}

/* ================== BUTTONS ================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: white;
  background: var(--accent);
  border: 2px solid var(--foreground);
  border-radius: var(--radius-full);
  padding: 14px 28px;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: all 0.3s var(--bounce);
  text-decoration: none;
}

.btn-primary:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hover);
}

.btn-primary:active {
  transform: translate(2px, 2px);
  box-shadow: var(--shadow-active);
}

.btn-primary .btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  background: white;
  border-radius: 50%;
  color: var(--accent);
  font-size: 1rem;
  font-weight: 700;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--foreground);
  background: transparent;
  border: 2px solid var(--foreground);
  border-radius: var(--radius-full);
  padding: 12px 24px;
  cursor: pointer;
  transition: all 0.3s var(--bounce);
  text-decoration: none;
}

.btn-secondary:hover {
  background: var(--tertiary);
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow);
}

/* ================== HERO ================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 120px 24px 80px;
}

/* Decorative shapes behind hero */
.hero-shapes {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-shape {
  position: absolute;
  border: 2px solid var(--foreground);
}

.hero-shape--circle-1 {
  width: 200px; height: 200px;
  border-radius: 50%;
  background: var(--tertiary);
  top: 12%; left: 5%;
  opacity: 0.7;
  animation: shapeBob 6s ease-in-out infinite;
}

.hero-shape--triangle {
  width: 0; height: 0;
  border-left: 60px solid transparent;
  border-right: 60px solid transparent;
  border-bottom: 104px solid var(--secondary);
  border-top: none;
  top: 20%; right: 8%;
  opacity: 0.6;
  animation: shapeBob 8s ease-in-out infinite 1s;
}
.hero-shape--triangle { border: none; }

.hero-shape--square {
  width: 100px; height: 100px;
  background: var(--quaternary);
  border-radius: var(--radius-sm);
  bottom: 15%; left: 10%;
  opacity: 0.5;
  transform: rotate(15deg);
  animation: shapeRotate 12s linear infinite;
}

.hero-shape--pill {
  width: 180px; height: 80px;
  background: var(--accent);
  border-radius: var(--radius-full);
  bottom: 20%; right: 6%;
  opacity: 0.4;
  animation: shapeBob 7s ease-in-out infinite 2s;
}

.hero-shape--dots {
  width: 160px; height: 160px;
  top: 60%; left: 50%;
  transform: translateX(-50%);
  background-image: radial-gradient(circle, var(--secondary) 3px, transparent 3px);
  background-size: 20px 20px;
  border: none;
  opacity: 0.3;
}

@keyframes shapeBob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

@keyframes shapeRotate {
  from { transform: rotate(15deg); }
  to { transform: rotate(375deg); }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
}

.hero-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--card);
  border: 2px solid var(--foreground);
  border-radius: var(--radius-full);
  padding: 8px 20px;
  box-shadow: var(--shadow-active);
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.hero-line-1 {
  display: block;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 600;
  color: var(--muted-fg);
}

.hero-line-2 {
  display: block;
  font-size: clamp(3.5rem, 9vw, 7rem);
  font-weight: 800;
  color: var(--foreground);
  position: relative;
}

/* Squiggly underline on main word */
.hero-line-2 em {
  font-style: normal;
  position: relative;
}

.hero-line-2 em::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 12px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 12'%3E%3Cpath d='M0 6 Q15 0 30 6 T60 6 T90 6 T120 6' fill='none' stroke='%23FBBF24' stroke-width='4' stroke-linecap='round'/%3E%3C/svg%3E") repeat-x;
  background-size: 120px 12px;
}

.hero-line-3 {
  display: block;
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 700;
  color: var(--foreground);
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--muted-fg);
  line-height: 1.7;
  margin-bottom: 40px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.hero-scroll span {
  font-family: var(--font-heading);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted-fg);
}

.scroll-line {
  width: 3px;
  height: 40px;
  background: var(--accent);
  border-radius: var(--radius-full);
  animation: scrollBounce 2s var(--bounce) infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: scaleY(0.4); transform-origin: top; opacity: 0.4; }
  50% { transform: scaleY(1); opacity: 1; }
}

@media (max-width: 768px) {
  .hero { padding: 100px 20px 60px; }
  .hero-shape--circle-1 { width: 120px; height: 120px; }
  .hero-shape--square { width: 60px; height: 60px; }
  .hero-shape--pill { width: 100px; height: 50px; }
  .hero-shape--dots { display: none; }
}

/* ================== EXHIBITION — frames gallery ================== */
.exhibition {
  padding: 100px 32px;
  max-width: 1200px;
  margin: 0 auto;
}

.exhibit-header {
  margin-bottom: 64px;
}

.exhibit-num {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  color: white;
  background: var(--accent);
  border: 2px solid var(--foreground);
  border-radius: var(--radius-full);
  padding: 4px 14px;
  box-shadow: var(--shadow-active);
  margin-bottom: 16px;
}

.exhibit-header h2,
.topics-header h2,
.reads-header h2 {
  font-family: var(--font-heading);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--foreground);
}

.exhibit-header h2 em,
.topics-header h2 em,
.reads-header h2 em {
  font-style: normal;
  color: var(--accent);
}

.exhibit-header p {
  font-size: 1.0625rem;
  color: var(--muted-fg);
  margin-top: 12px;
  max-width: 480px;
}

.exhibit-row {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
  align-items: start;
}

.exhibit-row-reverse {
  grid-template-columns: 1fr 1.6fr;
}

.exhibit-piece { position: relative; }

.exhibit-img {
  background: var(--card);
  border: 2px solid var(--foreground);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 4/3;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: all 0.4s var(--bounce);
}

.exhibit-piece:hover .exhibit-img {
  transform: translate(-3px, -3px) rotate(-1deg);
  box-shadow: 10px 10px 0px 0px var(--border);
}

.exhibit-img img {
  max-width: 70%;
  max-height: 80%;
  object-fit: contain;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.1));
}

.exhibit-large .exhibit-img { aspect-ratio: 16/10; }

.exhibit-caption { padding: 16px 4px; }

.caption-num {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(139, 92, 246, 0.1);
  border-radius: var(--radius-full);
  padding: 2px 10px;
  margin-bottom: 8px;
}

.exhibit-caption h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.exhibit-caption p {
  font-size: 0.875rem;
  color: var(--muted-fg);
  line-height: 1.6;
  max-width: 400px;
}

@media (max-width: 800px) {
  .exhibition { padding: 80px 20px; }
  .exhibit-row, .exhibit-row-reverse {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* ================== TOPICS — Sticker Card Grid ================== */
.topics {
  padding: 80px 32px 100px;
  max-width: 1200px;
  margin: 0 auto;
}

.topics-header { margin-bottom: 48px; }

.topics-mosaic {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.mosaic-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 2px solid var(--foreground);
  box-shadow: var(--shadow-soft);
  transition: all 0.4s var(--bounce);
}

.mosaic-item:hover {
  transform: translate(-3px, -3px) rotate(-1deg) scale(1.02);
  box-shadow: 10px 10px 0px 0px var(--border);
}

.mosaic-tall { grid-row: span 2; }
.mosaic-wide { grid-column: span 2; }

.mosaic-bg {
  flex: 1;
  min-height: 100px;
  overflow: hidden;
  position: relative;
}

/* Playful color fills instead of muted gradients */
.mosaic-item:nth-child(1) .mosaic-bg { background: var(--accent); }
.mosaic-item:nth-child(2) .mosaic-bg { background: var(--secondary); }
.mosaic-item:nth-child(3) .mosaic-bg { background: var(--tertiary); }
.mosaic-item:nth-child(4) .mosaic-bg { background: var(--quaternary); }
.mosaic-item:nth-child(5) .mosaic-bg { background: #F97316; }
.mosaic-item:nth-child(6) .mosaic-bg { background: #06B6D4; }
.mosaic-item:nth-child(7) .mosaic-bg { background: #EC4899; }
.mosaic-item:nth-child(8) .mosaic-bg { background: #8B5CF6; }

/* Pattern overlay on mosaic backgrounds */
.mosaic-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.3) 2px, transparent 2px);
  background-size: 16px 16px;
  z-index: 1;
}

.mosaic-content {
  position: relative;
  z-index: 2;
  padding: 20px;
  width: 100%;
  background: var(--card);
  border-top: 2px solid var(--foreground);
}

.mosaic-num {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(139, 92, 246, 0.1);
  border-radius: var(--radius-full);
  padding: 2px 8px;
  margin-bottom: 6px;
}

.mosaic-content h3 {
  font-family: var(--font-heading);
  font-size: 1.1875rem;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: 4px;
}

.mosaic-content p {
  font-size: 0.8125rem;
  color: var(--muted-fg);
  line-height: 1.5;
}

.mosaic-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  margin-top: 10px;
  transition: gap 0.3s var(--bounce);
}

.mosaic-item:hover .mosaic-link { gap: 8px; }

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

@media (max-width: 560px) {
  .topics { padding: 60px 20px 80px; }
  .topics-mosaic { grid-template-columns: 1fr; }
  .mosaic-tall { grid-row: span 1; }
  .mosaic-wide { grid-column: span 1; }
}

/* ================== READS — Article List ================== */
.reads {
  padding: 80px 32px 100px;
  max-width: 1200px;
  margin: 0 auto;
}

.reads-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}

.reads-all {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--accent);
  border: 2px solid var(--foreground);
  border-radius: var(--radius-full);
  padding: 8px 20px;
  box-shadow: var(--shadow-active);
  transition: all 0.3s var(--bounce);
}

.reads-all:hover {
  background: var(--tertiary);
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow);
}

.reads-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.read-item {
  display: grid;
  grid-template-columns: 200px 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 20px;
  background: var(--card);
  border: 2px solid var(--foreground);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  transition: all 0.4s var(--bounce);
}

.read-item:hover {
  transform: translate(-3px, -3px);
  box-shadow: 10px 10px 0px 0px var(--border);
}

.read-thumb {
  width: 200px;
  height: 130px;
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 2px solid var(--foreground);
  position: relative;
}

/* Animated gradient thumbnails for homepage reads */
.read-thumb {
  background-size: 300% 300%;
  animation: cardFlow 8s ease infinite;
}
.read-item:nth-child(1) .read-thumb { background: linear-gradient(-45deg, #8B5CF6, #C4B5FD, #A78BFA, #7C3AED); animation-duration: 8s; }
.read-item:nth-child(2) .read-thumb { background: linear-gradient(-45deg, #F472B6, #FBCFE8, #F9A8D4, #EC4899); animation-duration: 10s; }
.read-item:nth-child(3) .read-thumb { background: linear-gradient(-45deg, #FBBF24, #FEF3C7, #FDE68A, #F59E0B); animation-duration: 12s; }
.read-item:nth-child(4) .read-thumb { background: linear-gradient(-45deg, #34D399, #A7F3D0, #6EE7B7, #059669); animation-duration: 9s; }
.read-item:nth-child(5) .read-thumb { background: linear-gradient(-45deg, #F97316, #FED7AA, #FDBA74, #EA580C); animation-duration: 11s; }
.read-item:nth-child(6) .read-thumb { background: linear-gradient(-45deg, #06B6D4, #A5F3FC, #67E8F9, #0891B2); animation-duration: 7s; }

.read-thumb .thumb-label {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: rgba(255,255,255,0.4);
}

.read-cat {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(139, 92, 246, 0.1);
  border-radius: var(--radius-full);
  padding: 2px 10px;
  margin-bottom: 8px;
}

.read-info h3 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: 6px;
  line-height: 1.3;
}

.read-info p {
  font-size: 0.8125rem;
  color: var(--muted-fg);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.read-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: flex-end;
  white-space: nowrap;
}

.read-meta span {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted-fg);
}

@media (max-width: 900px) {
  .read-item {
    grid-template-columns: 140px 1fr;
    gap: 16px;
  }
  .read-thumb { width: 140px; height: 100px; }
  .read-meta { display: none; }
}

@media (max-width: 560px) {
  .reads { padding: 60px 20px 80px; }
  .read-item {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .read-thumb { width: 100%; height: 140px; }
}

/* ================== ABOUT BAR ================== */
.about-bar {
  padding: 60px 32px;
  background: var(--foreground);
  position: relative;
  overflow: hidden;
}

/* Diagonal stripe pattern */
.about-bar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 20px,
    rgba(255,255,255,0.03) 20px,
    rgba(255,255,255,0.03) 40px
  );
}

.about-bar-inner {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.about-bar h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.375rem, 3vw, 2rem);
  font-weight: 700;
  color: white;
  line-height: 1.5;
}

.about-bar h2 em {
  font-style: normal;
  color: var(--tertiary);
}

/* ================== FOOTER ================== */
.footer {
  background: var(--foreground);
  color: white;
  padding: 60px 32px 0;
  position: relative;
}

/* Squiggly divider at top of footer */
.footer::before {
  content: '';
  position: absolute;
  top: -6px; left: 0; right: 0;
  height: 12px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 12'%3E%3Cpath d='M0 6 Q15 0 30 6 T60 6 T90 6 T120 6' fill='none' stroke='%231E293B' stroke-width='4'/%3E%3C/svg%3E") repeat-x;
  background-size: 120px 12px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 60px;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--tertiary);
  display: block;
  margin-bottom: 12px;
}

.footer-left p {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--tertiary);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 10px;
  transition: color 0.2s;
}

.footer-col a:hover { color: white; }

.footer-bottom {
  max-width: 1200px;
  margin: 48px auto 0;
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  text-align: center;
}

@media (max-width: 768px) {
  .footer { padding: 40px 20px 0; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
}

/* ================== ARTICLE PAGE ================== */
.article-page {
  padding-top: 80px;
  min-height: 100vh;
}

.container {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 24px;
}

.article-breadcrumb {
  padding: 24px 0;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.article-breadcrumb a,
.article-breadcrumb span {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--muted-fg);
}

.article-breadcrumb a:hover { color: var(--accent); }
.article-breadcrumb span:last-child { color: var(--foreground); }

/* Quick Answer Box — AI-optimized featured snippet */
.quick-answer {
  background: var(--card);
  border: 2px solid var(--foreground);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 32px;
  box-shadow: var(--shadow-accent);
  position: relative;
}

.quick-answer::before {
  content: 'Quick Answer';
  position: absolute;
  top: -12px; left: 20px;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  color: white;
  background: var(--accent);
  border: 2px solid var(--foreground);
  border-radius: var(--radius-full);
  padding: 2px 12px;
}

.quick-answer p {
  font-size: 1rem;
  font-weight: 500;
  color: var(--foreground);
  line-height: 1.6;
}

/* Article hero image */
/* Article Hero — Animated gradient lava-lamp with floating shapes */
.article-hero-img {
  width: 100%;
  aspect-ratio: 16/7;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 32px;
  border: 2px solid var(--foreground);
  box-shadow: var(--shadow-soft);
  position: relative;
  background: linear-gradient(-45deg, #8B5CF6, #F472B6, #FBBF24, #34D399, #8B5CF6);
  background-size: 400% 400%;
  animation: heroFlow 12s ease infinite;
}

@keyframes heroFlow {
  0%   { background-position: 0% 50%; }
  25%  { background-position: 100% 0%; }
  50%  { background-position: 100% 100%; }
  75%  { background-position: 0% 100%; }
  100% { background-position: 0% 50%; }
}

/* Floating blob shapes inside hero */
.article-hero-img::before,
.article-hero-img::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  opacity: 0.25;
  filter: blur(40px);
}

.article-hero-img::before {
  width: 50%;
  height: 120%;
  top: -20%;
  left: -10%;
  background: white;
  animation: blobFloat1 8s ease-in-out infinite;
}

.article-hero-img::after {
  width: 40%;
  height: 100%;
  bottom: -15%;
  right: -5%;
  background: white;
  animation: blobFloat2 10s ease-in-out infinite;
}

@keyframes blobFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%      { transform: translate(15%, 10%) scale(1.1); }
  66%      { transform: translate(-5%, -8%) scale(0.95); }
}

@keyframes blobFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(-12%, 8%) scale(1.08); }
}

/* Dot grid overlay for texture */
.article-hero-img .hero-dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.15) 1.5px, transparent 1.5px);
  background-size: 24px 24px;
  z-index: 1;
}

/* Category-specific gradient palettes */
.hero-grad-lenses      { background: linear-gradient(-45deg, #8B5CF6, #6D28D9, #A78BFA, #C4B5FD, #8B5CF6); background-size: 400% 400%; animation: heroFlow 12s ease infinite; }
.hero-grad-frames      { background: linear-gradient(-45deg, #F472B6, #EC4899, #F9A8D4, #FBCFE8, #F472B6); background-size: 400% 400%; animation: heroFlow 14s ease infinite; }
.hero-grad-prescriptions { background: linear-gradient(-45deg, #FBBF24, #F59E0B, #FDE68A, #FEF3C7, #FBBF24); background-size: 400% 400%; animation: heroFlow 10s ease infinite; }
.hero-grad-coatings    { background: linear-gradient(-45deg, #34D399, #059669, #6EE7B7, #A7F3D0, #34D399); background-size: 400% 400%; animation: heroFlow 16s ease infinite; }
.hero-grad-sunglasses  { background: linear-gradient(-45deg, #F97316, #EA580C, #FDBA74, #FED7AA, #F97316); background-size: 400% 400%; animation: heroFlow 11s ease infinite; }
.hero-grad-eye-conditions { background: linear-gradient(-45deg, #06B6D4, #0891B2, #67E8F9, #A5F3FC, #06B6D4); background-size: 400% 400%; animation: heroFlow 13s ease infinite; }
.hero-grad-care        { background: linear-gradient(-45deg, #8B5CF6, #34D399, #A78BFA, #6EE7B7, #8B5CF6); background-size: 400% 400%; animation: heroFlow 15s ease infinite; }
.hero-grad-buying-guide { background: linear-gradient(-45deg, #FBBF24, #F472B6, #FDE68A, #F9A8D4, #FBBF24); background-size: 400% 400%; animation: heroFlow 12s ease infinite; }

.article-page h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--foreground);
  margin-bottom: 16px;
}

.article-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.article-meta span {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--muted-fg);
  background: var(--muted);
  border: 2px solid var(--border);
  border-radius: var(--radius-full);
  padding: 4px 14px;
}

.article-meta span:first-child {
  color: var(--accent);
  background: rgba(139, 92, 246, 0.1);
  border-color: var(--accent);
}

/* Table of Contents — Sticker style */
.toc {
  background: var(--card);
  border: 2px solid var(--foreground);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 40px;
  box-shadow: var(--shadow-soft);
}

.toc h4 {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 16px;
}

.toc ol {
  list-style: none;
  counter-reset: toc-counter;
  padding: 0;
}

.toc ol li {
  counter-increment: toc-counter;
  margin-bottom: 8px;
}

.toc ol li a {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--foreground);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: all 0.2s var(--bounce);
}

.toc ol li a::before {
  content: counter(toc-counter, decimal-leading-zero);
  font-size: 0.75rem;
  font-weight: 700;
  color: white;
  background: var(--accent);
  border-radius: var(--radius-full);
  width: 24px; height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.toc ol li a:hover {
  background: var(--muted);
  transform: translateX(4px);
}

/* ================== ARTICLE CONTENT ================== */
.article-content {
  padding-bottom: 80px;
}

.article-content p {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--foreground);
  margin-bottom: 20px;
}

.article-content h2 {
  font-family: var(--font-heading);
  font-size: 1.625rem;
  font-weight: 800;
  color: var(--foreground);
  margin-top: 48px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 3px solid var(--accent);
  display: inline-block;
}

.article-content h2::after {
  content: '';
  display: block;
}

.article-content h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--foreground);
  margin-top: 32px;
  margin-bottom: 12px;
}

.article-content ul,
.article-content ol {
  padding-left: 0;
  margin-bottom: 20px;
  list-style: none;
}

.article-content ul li,
.article-content ol li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 10px;
  font-size: 1rem;
  line-height: 1.65;
}

.article-content ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 10px;
  width: 12px; height: 12px;
  background: var(--tertiary);
  border: 2px solid var(--foreground);
  border-radius: 50%;
}

.article-content ol {
  counter-reset: article-ol;
}

.article-content ol li {
  counter-increment: article-ol;
}

.article-content ol li::before {
  content: counter(article-ol);
  position: absolute;
  left: 0; top: 3px;
  width: 22px; height: 22px;
  background: var(--accent);
  color: white;
  border: 2px solid var(--foreground);
  border-radius: 50%;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.article-content a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--tertiary);
  text-underline-offset: 3px;
  text-decoration-thickness: 2px;
  transition: text-decoration-color 0.2s;
}

.article-content a:hover {
  text-decoration-color: var(--accent);
}

.article-content strong {
  font-weight: 700;
  color: var(--foreground);
}

/* Info Box — Sticker Card */
.info-box {
  background: var(--card);
  border: 2px solid var(--foreground);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin: 28px 0;
  box-shadow: 6px 6px 0px 0px var(--secondary);
  position: relative;
}

.info-box h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.info-box h4::before {
  content: '!';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px; height: 24px;
  background: var(--secondary);
  color: white;
  border-radius: 50%;
  border: 2px solid var(--foreground);
  font-size: 0.75rem;
  flex-shrink: 0;
}

.info-box p,
.info-box li {
  font-size: 0.9375rem;
  color: var(--foreground);
  line-height: 1.65;
}

/* Tables — Playful style */
.table-wrap {
  overflow-x: auto;
  margin: 24px 0;
  border: 2px solid var(--foreground);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.article-content thead th {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: white;
  background: var(--foreground);
  padding: 14px 16px;
  text-align: left;
}

.article-content tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--foreground);
}

.article-content tbody tr:last-child td {
  border-bottom: none;
}

.article-content tbody tr:nth-child(even) {
  background: var(--muted);
}

.article-content tbody tr:hover {
  background: rgba(139, 92, 246, 0.05);
}

/* CTA Box — "Where to Get This" */
.cta-box {
  background: var(--accent);
  border: 2px solid var(--foreground);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin: 40px 0;
  box-shadow: var(--shadow);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.15) 2px, transparent 2px);
  background-size: 20px 20px;
}

.cta-box h4 {
  position: relative;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: white;
  margin-bottom: 8px;
}

.cta-box p {
  position: relative;
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.9);
  margin-bottom: 20px;
}

.cta-box .btn-primary {
  position: relative;
  background: white;
  color: var(--accent);
  border-color: var(--foreground);
}

.cta-box .btn-primary:hover {
  background: var(--tertiary);
  color: var(--foreground);
}

/* Sources & References */
.sources-section {
  margin-top: 60px;
  padding: 32px;
  background: var(--muted);
  border-radius: var(--radius-md);
  border: 2px solid var(--border);
}

.sources-section h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--foreground);
}

.sources-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sources-list li {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--muted-fg);
  padding-left: 20px;
  position: relative;
}

.sources-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 600;
}

.sources-list a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.sources-list a:hover {
  border-bottom-color: var(--accent);
}

/* Related Articles */
.related-articles {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 3px dashed var(--border);
}

.related-articles h3 {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 800;
  margin-bottom: 20px;
  color: var(--foreground);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.related-card {
  background: var(--card);
  border: 2px solid var(--foreground);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-soft);
  transition: all 0.3s var(--bounce);
}

.related-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0px 0px var(--border);
}

.related-card span {
  font-family: var(--font-heading);
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
}

.related-card h4 {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--foreground);
  margin-top: 6px;
  line-height: 1.3;
}

/* ================== ARTICLES LIST PAGE ================== */
.articles-page {
  padding-top: 100px;
  min-height: 100vh;
}

.articles-page-header {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px 40px;
}

.articles-page-header h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800;
  color: var(--foreground);
  margin-bottom: 12px;
}

.articles-page-header p {
  font-size: 1.0625rem;
  color: var(--muted-fg);
  max-width: 560px;
}

/* Category filter pills */
.cat-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px 32px;
}

.cat-pill {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--foreground);
  background: var(--card);
  border: 2px solid var(--foreground);
  border-radius: var(--radius-full);
  padding: 8px 18px;
  cursor: pointer;
  box-shadow: var(--shadow-active);
  transition: all 0.3s var(--bounce);
}

.cat-pill:hover,
.cat-pill.active {
  background: var(--accent);
  color: white;
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0px 0px var(--foreground);
}

/* Articles grid */
.articles-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px 80px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.article-card {
  background: var(--card);
  border: 2px solid var(--foreground);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: all 0.4s var(--bounce);
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  transform: translate(-3px, -3px) rotate(-0.5deg);
  box-shadow: 10px 10px 0px 0px var(--border);
}

/* Card thumbnails — animated flowing gradients */
.article-card-thumb {
  height: 140px;
  position: relative;
  overflow: hidden;
  background-size: 300% 300%;
  animation: cardFlow 8s ease infinite;
}

/* Each card gets a unique gradient + animation speed for variety */
.article-card:nth-child(6n+1) .article-card-thumb { background: linear-gradient(-45deg, #8B5CF6, #C4B5FD, #A78BFA, #7C3AED); animation-duration: 8s; }
.article-card:nth-child(6n+2) .article-card-thumb { background: linear-gradient(-45deg, #F472B6, #FBCFE8, #F9A8D4, #EC4899); animation-duration: 10s; }
.article-card:nth-child(6n+3) .article-card-thumb { background: linear-gradient(-45deg, #FBBF24, #FEF3C7, #FDE68A, #F59E0B); animation-duration: 12s; }
.article-card:nth-child(6n+4) .article-card-thumb { background: linear-gradient(-45deg, #34D399, #A7F3D0, #6EE7B7, #059669); animation-duration: 9s; }
.article-card:nth-child(6n+5) .article-card-thumb { background: linear-gradient(-45deg, #F97316, #FED7AA, #FDBA74, #EA580C); animation-duration: 11s; }
.article-card:nth-child(6n+6) .article-card-thumb { background: linear-gradient(-45deg, #06B6D4, #A5F3FC, #67E8F9, #0891B2); animation-duration: 7s; }

@keyframes cardFlow {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Floating circle blob inside each card thumb */
.article-card-thumb::before {
  content: '';
  position: absolute;
  width: 80px; height: 80px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  filter: blur(20px);
  top: 20%; left: 15%;
  animation: thumbBlob 6s ease-in-out infinite;
}

.article-card-thumb::after {
  content: '';
  position: absolute;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  filter: blur(15px);
  bottom: 10%; right: 15%;
  animation: thumbBlob 8s ease-in-out infinite reverse;
}

@keyframes thumbBlob {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(20px, -10px) scale(1.3); }
}

.article-card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.article-card-cat {
  font-family: var(--font-heading);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.article-card-body h3 {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--foreground);
  line-height: 1.3;
  margin-bottom: 8px;
}

.article-card-body p {
  font-size: 0.8125rem;
  color: var(--muted-fg);
  line-height: 1.5;
  flex: 1;
}

.article-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 12px;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted-fg);
}

.article-card-read {
  color: var(--accent);
  font-weight: 700;
}

/* ================== ABOUT PAGE ================== */
.about-page {
  padding-top: 100px;
  min-height: 100vh;
}

.about-page .container {
  max-width: 700px;
}

.about-page h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  color: var(--foreground);
  margin-bottom: 24px;
}

.about-page h1 em {
  font-style: normal;
  color: var(--accent);
}

.about-content {
  padding-bottom: 80px;
}

.about-content p {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--foreground);
  margin-bottom: 20px;
}

.about-content h2 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--foreground);
  margin-top: 40px;
  margin-bottom: 16px;
}

.about-content a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--tertiary);
  text-underline-offset: 3px;
  text-decoration-thickness: 2px;
}

/* ================== SEARCH BAR (Homepage) ================== */
.search-bar {
  position: relative;
  max-width: 480px;
  margin: 0 auto;
}

.search-bar input {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 14px 20px 14px 48px;
  background: var(--card);
  border: 2px solid var(--foreground);
  border-radius: var(--radius-full);
  color: var(--foreground);
  box-shadow: 4px 4px 0px transparent;
  transition: all 0.3s var(--bounce);
  outline: none;
}

.search-bar input:focus {
  border-color: var(--accent);
  box-shadow: var(--shadow-accent);
}

.search-bar input::placeholder {
  color: var(--muted-fg);
}

.search-bar svg {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted-fg);
  pointer-events: none;
}

/* ================== FAQ SECTION ================== */
.faq-section {
  margin-top: 48px;
  margin-bottom: 40px;
}

.faq-section h2 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--foreground);
  margin-bottom: 20px;
  border-bottom: 3px solid var(--accent);
  display: inline-block;
  padding-bottom: 8px;
}

.faq-item {
  background: var(--card);
  border: 2px solid var(--foreground);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  box-shadow: var(--shadow-active);
  overflow: hidden;
  transition: box-shadow 0.3s var(--bounce);
}

.faq-item:hover {
  box-shadow: var(--shadow);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 16px 20px;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--foreground);
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.faq-question::after {
  content: '+';
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--accent);
  width: 28px; height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(139, 92, 246, 0.1);
  border-radius: 50%;
  flex-shrink: 0;
  transition: transform 0.3s var(--bounce);
}

.faq-item.open .faq-question::after {
  content: '−';
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-answer-inner {
  padding: 0 20px 16px;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--muted-fg);
}

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

/* ================== WIGGLE ANIMATION ================== */
@keyframes wiggle {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(3deg); }
  75% { transform: rotate(-3deg); }
}

.wiggle-hover:hover {
  animation: wiggle 0.4s ease;
}

/* ================== POP ENTRANCE ================== */
@keyframes popIn {
  from { opacity: 0; transform: scale(0.8); }
  to { opacity: 1; transform: scale(1); }
}

.pop-in {
  animation: popIn 0.5s var(--bounce) forwards;
  opacity: 0;
}

/* Staggered delays */
.pop-in-1 { animation-delay: 0.1s; }
.pop-in-2 { animation-delay: 0.2s; }
.pop-in-3 { animation-delay: 0.3s; }
.pop-in-4 { animation-delay: 0.4s; }

/* ================== UTILITY ================== */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* Marquee — infinite scrolling text */
.marquee {
  overflow: hidden;
  white-space: nowrap;
  padding: 16px 0;
  border-top: 2px solid var(--foreground);
  border-bottom: 2px solid var(--foreground);
  background: var(--tertiary);
}

.marquee-inner {
  display: inline-flex;
  animation: marqueeScroll 30s linear infinite;
}

.marquee-inner span {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--foreground);
  padding: 0 24px;
}

@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ================== GRADIENT BACKGROUNDS (kept for backward compat) ================== */
.gradient-flow-1 { background: var(--accent); }
.gradient-flow-2 { background: var(--secondary); }
.gradient-flow-3 { background: var(--quaternary); }
.gradient-flow-4 { background: #F97316; }
.gradient-flow-5 { background: #06B6D4; }
.gradient-flow-6 { background: var(--tertiary); }
.gradient-flow-7 { background: var(--accent); }
.gradient-flow-8 { background: var(--secondary); }
.gradient-flow-9 { background: var(--tertiary); }
.gradient-flow-10 { background: var(--quaternary); }
.gradient-flow-11 { background: #F97316; }
.gradient-flow-12 { background: #06B6D4; }

/* ================== TL;DR BOX ================== */
.tldr {
  background: var(--tertiary);
  border: 2px solid var(--foreground);
  border-radius: var(--radius-lg);
  padding: 28px 28px 24px;
  margin-bottom: 36px;
  box-shadow: 6px 6px 0px 0px var(--foreground);
  position: relative;
}

.tldr::before {
  content: 'TL;DR';
  position: absolute;
  top: -14px; left: 20px;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 800;
  color: var(--foreground);
  background: white;
  border: 2px solid var(--foreground);
  border-radius: var(--radius-full);
  padding: 3px 16px;
  letter-spacing: 0.04em;
}

.tldr-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
  margin-top: 12px;
}

.tldr-stat {
  text-align: center;
}

.tldr-stat .stat-value {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--foreground);
  line-height: 1.1;
}

.tldr-stat .stat-label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--foreground);
  opacity: 0.7;
  margin-top: 2px;
}

.tldr p {
  font-size: 1rem;
  font-weight: 600;
  color: var(--foreground);
  line-height: 1.6;
  margin: 0;
}

.tldr ul {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
}

.tldr ul li {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--foreground);
  padding: 4px 0 4px 24px;
  position: relative;
}

.tldr ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 10px;
  width: 14px; height: 14px;
  background: white;
  border: 2px solid var(--foreground);
  border-radius: 50%;
}

/* ================== ICON CIRCLES ================== */
.icon-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 2px solid var(--foreground);
  flex-shrink: 0;
  box-shadow: 2px 2px 0px 0px var(--foreground);
}

.icon-circle--sm { width: 36px; height: 36px; }
.icon-circle--lg { width: 64px; height: 64px; }

.icon-circle--violet { background: var(--accent); color: white; }
.icon-circle--pink { background: var(--secondary); color: white; }
.icon-circle--yellow { background: var(--tertiary); color: var(--foreground); }
.icon-circle--green { background: var(--quaternary); color: white; }
.icon-circle--orange { background: #F97316; color: white; }
.icon-circle--cyan { background: #06B6D4; color: white; }
.icon-circle--white { background: white; color: var(--foreground); }

.icon-circle svg {
  width: 24px; height: 24px;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  stroke: currentColor;
}

.icon-circle--sm svg { width: 18px; height: 18px; }
.icon-circle--lg svg { width: 32px; height: 32px; }

/* ================== STAT CARDS — visual data blocks ================== */
.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin: 28px 0;
}

.stat-card {
  background: var(--card);
  border: 2px solid var(--foreground);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  box-shadow: var(--shadow-active);
  transition: all 0.3s var(--bounce);
}

.stat-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow);
}

.stat-card .stat-icon {
  margin: 0 auto 10px;
}

.stat-card .stat-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.stat-card .stat-text {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--muted-fg);
  margin-top: 4px;
}

/* Confetti color rotation for stat cards */
.stat-card:nth-child(1) .stat-number { color: var(--accent); }
.stat-card:nth-child(2) .stat-number { color: var(--secondary); }
.stat-card:nth-child(3) .stat-number { color: var(--quaternary); }
.stat-card:nth-child(4) .stat-number { color: #F97316; }

/* ================== VISUAL BAR CHART ================== */
.bar-chart {
  margin: 28px 0;
  background: var(--card);
  border: 2px solid var(--foreground);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-soft);
}

.bar-chart-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: 20px;
}

.bar-row {
  display: grid;
  grid-template-columns: 140px 1fr 60px;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
}

.bar-label {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--foreground);
  text-align: right;
}

.bar-track {
  height: 28px;
  background: var(--muted);
  border-radius: var(--radius-full);
  border: 2px solid var(--foreground);
  overflow: hidden;
  position: relative;
}

.bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 1s var(--bounce);
  position: relative;
}

/* Rotating bar colors */
.bar-row:nth-child(1) .bar-fill { background: var(--accent); }
.bar-row:nth-child(2) .bar-fill { background: var(--secondary); }
.bar-row:nth-child(3) .bar-fill { background: var(--quaternary); }
.bar-row:nth-child(4) .bar-fill { background: var(--tertiary); }
.bar-row:nth-child(5) .bar-fill { background: #F97316; }
.bar-row:nth-child(6) .bar-fill { background: #06B6D4; }

.bar-value {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 800;
  color: var(--foreground);
}

@media (max-width: 560px) {
  .bar-row {
    grid-template-columns: 1fr 60px;
    gap: 8px;
  }
  .bar-label {
    grid-column: 1 / -1;
    text-align: left;
  }
}

/* ================== COMPARISON METER ================== */
.compare-meter {
  margin: 28px 0;
}

.compare-item {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  align-items: center;
  margin-bottom: 16px;
  background: var(--card);
  border: 2px solid var(--foreground);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  box-shadow: var(--shadow-active);
}

.compare-label {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--foreground);
}

.compare-label:last-child { text-align: right; }

.compare-vs {
  font-family: var(--font-heading);
  font-size: 0.6875rem;
  font-weight: 800;
  color: white;
  background: var(--foreground);
  border-radius: var(--radius-full);
  padding: 4px 10px;
  letter-spacing: 0.06em;
}

.compare-winner {
  color: var(--accent);
}

/* ================== VISUAL RATING DOTS ================== */
.rating-dots {
  display: inline-flex;
  gap: 4px;
}

.rating-dot {
  width: 14px; height: 14px;
  border-radius: 50%;
  border: 2px solid var(--foreground);
}

.rating-dot--filled { background: var(--accent); }
.rating-dot--half { background: linear-gradient(90deg, var(--accent) 50%, transparent 50%); }
.rating-dot--empty { background: transparent; }

/* ================== FEATURE LIST WITH ICONS ================== */
.feature-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin: 28px 0;
}

.feature-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--card);
  border: 2px solid var(--foreground);
  border-radius: var(--radius-md);
  padding: 18px;
  box-shadow: var(--shadow-active);
  transition: all 0.3s var(--bounce);
}

.feature-item:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow);
}

.feature-item h4 {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: 4px;
}

.feature-item p {
  font-size: 0.8125rem;
  color: var(--muted-fg);
  line-height: 1.5;
  margin: 0;
}

/* ================== CHARM OPTICAL CALLOUT — "Shop This" ================== */
.charm-callout {
  display: flex;
  gap: 16px;
  align-items: center;
  background: linear-gradient(135deg, #F5F3FF, #FDF2F8);
  border: 2px solid var(--accent);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  margin: 28px 0;
  box-shadow: 4px 4px 0px 0px var(--accent);
  transition: all 0.3s var(--bounce);
}

.charm-callout:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px 0px var(--accent);
  text-decoration: none;
}

.charm-callout-icon {
  flex-shrink: 0;
}

.charm-callout-text {
  flex: 1;
}

.charm-callout-text h4 {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 2px;
}

.charm-callout-text p {
  font-size: 0.8125rem;
  color: var(--muted-fg);
  line-height: 1.45;
  margin: 0;
}

.charm-callout-arrow {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--accent);
  flex-shrink: 0;
}

/* Inline Charm link badge */
.charm-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(139, 92, 246, 0.1);
  border: 1.5px solid var(--accent);
  border-radius: var(--radius-full);
  padding: 2px 10px;
  text-decoration: none;
  white-space: nowrap;
  transition: all 0.2s var(--bounce);
}

.charm-badge:hover {
  background: var(--accent);
  color: white;
}

/* ================== VISUAL PROCESS / STEPS ================== */
.step-list {
  margin: 28px 0;
  position: relative;
}

/* Connecting dashed line */
.step-list::before {
  content: '';
  position: absolute;
  left: 23px;
  top: 28px;
  bottom: 28px;
  width: 3px;
  background: repeating-linear-gradient(
    to bottom,
    var(--accent) 0px,
    var(--accent) 6px,
    transparent 6px,
    transparent 12px
  );
  border-radius: 2px;
}

.step-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 16px 0;
  position: relative;
}

.step-num {
  width: 48px; height: 48px;
  min-width: 48px;
  border-radius: 50%;
  border: 2px solid var(--foreground);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 800;
  color: white;
  box-shadow: 2px 2px 0px 0px var(--foreground);
  position: relative;
  z-index: 1;
}

.step-item:nth-child(1) .step-num { background: var(--accent); }
.step-item:nth-child(2) .step-num { background: var(--secondary); }
.step-item:nth-child(3) .step-num { background: var(--quaternary); }
.step-item:nth-child(4) .step-num { background: var(--tertiary); }
.step-item:nth-child(5) .step-num { background: #F97316; }

.step-content h4 {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: 4px;
}

.step-content p {
  font-size: 0.9375rem;
  color: var(--muted-fg);
  line-height: 1.6;
  margin: 0;
}

/* ================== PROS / CONS BOX ================== */
.pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 28px 0;
}

.pros-box, .cons-box {
  border: 2px solid var(--foreground);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-active);
}

.pros-box {
  background: #ECFDF5;
  box-shadow: 4px 4px 0px 0px var(--quaternary);
}

.cons-box {
  background: #FFF1F2;
  box-shadow: 4px 4px 0px 0px var(--secondary);
}

.pros-box h4, .cons-box h4 {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 800;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.pros-box h4 { color: #059669; }
.cons-box h4 { color: #E11D48; }

.pros-box ul, .cons-box ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.pros-box li, .cons-box li {
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--foreground);
  padding: 5px 0 5px 24px;
  position: relative;
}

.pros-box li::before {
  content: '';
  position: absolute;
  left: 0; top: 10px;
  width: 14px; height: 14px;
  background: var(--quaternary);
  border: 2px solid var(--foreground);
  border-radius: 50%;
}

.cons-box li::before {
  content: '';
  position: absolute;
  left: 0; top: 10px;
  width: 14px; height: 14px;
  background: var(--secondary);
  border: 2px solid var(--foreground);
  border-radius: 3px;
  transform: rotate(45deg);
}

@media (max-width: 560px) {
  .pros-cons { grid-template-columns: 1fr; }
}

/* ================== KEY TAKEAWAY BOX ================== */
.key-takeaway {
  background: #F5F3FF;
  border: 2px solid var(--accent);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin: 28px 0;
  box-shadow: 4px 4px 0px 0px var(--accent);
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.key-takeaway .icon-circle { flex-shrink: 0; }

.key-takeaway p {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--foreground);
  line-height: 1.6;
  margin: 0;
}

.key-takeaway strong {
  color: var(--accent);
}

/* ================== AI DEFINITION BLOCK ================== */
/* This is what AI/LLMs look for — clean, semantic, parseable */
.ai-definition {
  background: var(--card);
  border: 2px solid var(--foreground);
  border-left: 6px solid var(--accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 20px 24px;
  margin: 24px 0;
}

.ai-definition dt {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 6px;
}

.ai-definition dd {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--foreground);
  margin: 0;
}

/* ================== PRODUCT CARD — Frame photos inside articles ================== */
.product-card {
  display: flex;
  gap: 20px;
  align-items: center;
  background: var(--card);
  border: 2px solid var(--foreground);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin: 28px 0;
  box-shadow: var(--shadow-soft);
  transition: all 0.4s var(--bounce);
  text-decoration: none;
  color: inherit;
}

.product-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 10px 10px 0px 0px var(--border);
  text-decoration: none;
}

.product-card-img {
  width: 160px;
  height: 120px;
  flex-shrink: 0;
  background: var(--muted);
  border: 2px solid var(--foreground);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 12px;
}

.product-card-img img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.product-card-body {
  flex: 1;
}

.product-card-brand {
  font-family: var(--font-heading);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  background: rgba(139, 92, 246, 0.1);
  border-radius: var(--radius-full);
  padding: 2px 10px;
  display: inline-block;
  margin-bottom: 6px;
}

.product-card-body h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: 4px;
}

.product-card-body p {
  font-size: 0.8125rem;
  color: var(--muted-fg);
  line-height: 1.5;
  margin: 0 0 8px;
}

.product-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--accent);
}

.product-card-cta::after { content: ' \2192'; }

/* Product card grid — multiple cards side by side */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin: 28px 0;
}

.product-grid .product-card {
  flex-direction: column;
  margin: 0;
  text-align: center;
}

.product-grid .product-card-img {
  width: 100%;
  height: 140px;
}

@media (max-width: 560px) {
  .product-card { flex-direction: column; text-align: center; }
  .product-card-img { width: 100%; height: 140px; }
  .product-grid { grid-template-columns: 1fr; }
}

/* ================== RESPONSIVE SHADOW REDUCTION ================== */
@media (max-width: 768px) {
  :root {
    --shadow: 2px 2px 0px 0px var(--foreground);
    --shadow-hover: 4px 4px 0px 0px var(--foreground);
    --shadow-active: 1px 1px 0px 0px var(--foreground);
    --shadow-soft: 4px 4px 0px 0px var(--border);
    --shadow-accent: 3px 3px 0px 0px var(--accent);
    --shadow-pink: 3px 3px 0px 0px var(--secondary);
  }

  .tldr { padding: 20px; }
  .tldr::before { font-size: 0.6875rem; padding: 2px 12px; top: -12px; }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
  .feature-list { grid-template-columns: 1fr; }
  .charm-callout { flex-direction: column; text-align: center; }
  .step-list::before { left: 19px; }
  .step-num { width: 40px; height: 40px; min-width: 40px; font-size: 0.9375rem; }
}