/* ─────────────────────────────────────────────────────────────
       Mathematical Explorations — Home page styles
       Layered atmosphere: animated aurora + grid overlay + canvas
       particles, glassmorphism panels, refined typography.
       ───────────────────────────────────────────────────────────── */

:root {
  --font-display: 'Fraunces', 'Inter', Georgia, serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, ui-monospace, monospace;

  --accent-glow: rgba(88, 166, 255, 0.45);
  --accent2-glow: rgba(188, 140, 255, 0.35);
  --accent3: #7ee787;
  --accent4: #ffa657;

  --surface-glass: rgba(22, 27, 34, 0.55);
  --surface-glass-strong: rgba(22, 27, 34, 0.78);
  --border-glow: rgba(88, 166, 255, 0.25);

  --radius-lg: 18px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background:
    radial-gradient(ellipse at top left, #0f1626 0%, transparent 60%),
    radial-gradient(ellipse at bottom right, #181024 0%, transparent 60%), #0a0d14;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* ── Atmospheric layers ─────────────────────────────────────── */

#bgCanvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.55;
}

.aurora {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.aurora-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  mix-blend-mode: screen;
  animation: aurora-drift 28s ease-in-out infinite;
}

.aurora-blob-1 {
  width: 55vw;
  height: 55vw;
  top: -10vw;
  left: -10vw;
  background: radial-gradient(circle, #58a6ff 0%, transparent 70%);
}

.aurora-blob-2 {
  width: 50vw;
  height: 50vw;
  top: 30vh;
  right: -15vw;
  background: radial-gradient(circle, #bc8cff 0%, transparent 70%);
  animation-delay: -9s;
  animation-duration: 34s;
}

.aurora-blob-3 {
  width: 45vw;
  height: 45vw;
  bottom: -10vw;
  left: 25vw;
  background: radial-gradient(circle, #7ee787 0%, transparent 70%);
  opacity: 0.18;
  animation-delay: -18s;
  animation-duration: 40s;
}

@keyframes aurora-drift {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(8vw, -4vh) scale(1.08);
  }
  66% {
    transform: translate(-6vw, 6vh) scale(0.95);
  }
}

.grid-overlay {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(88, 166, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(88, 166, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

/* Layer everything else above atmosphere */
nav,
.hero,
.intro-panel,
.section-title,
.section-subtitle,
.featured-grid,
.card-grid,
footer,
.modal-overlay {
  position: relative;
  z-index: 1;
}

/* ── Navigation ─────────────────────────────────────────────── */

nav {
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  background: rgba(13, 17, 23, 0.55);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brand-glyph {
  font-size: 1.5rem;
  background: linear-gradient(135deg, #58a6ff, #bc8cff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 12px var(--accent-glow));
}

.nav-link .arrow {
  display: inline-block;
  transition: transform 0.25s ease;
}

.nav-link:hover .arrow {
  transform: translate(2px, -2px);
}

/* ── Hero ───────────────────────────────────────────────────── */

.hero {
  text-align: center;
  padding: 6rem 1.5rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(88, 166, 255, 0.18), transparent);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid rgba(88, 166, 255, 0.25);
  border-radius: 999px;
  padding: 0.4rem 1.1rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  background: rgba(88, 166, 255, 0.06);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  letter-spacing: 0.02em;
  animation: badge-float 4s ease-in-out infinite;
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent3);
  box-shadow: 0 0 10px var(--accent3);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(1.3);
  }
}

@keyframes badge-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-3px);
  }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 8vw, 5.5rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.035em;
  margin: 0 0 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.1em;
}

.hero-title-line {
  display: block;
  color: var(--text);
}

.hero-title-accent {
  background: linear-gradient(135deg, #58a6ff 0%, #bc8cff 50%, #ffa657 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-style: italic;
  animation: gradient-shift 8s ease-in-out infinite;
}

@keyframes gradient-shift {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.hero-lede {
  color: var(--text-muted);
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  max-width: 620px;
  margin: 0 auto 1.75rem;
  line-height: 1.65;
}

.hero-tagline {
  color: var(--text);
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.05rem, 1.6vw, 1.35rem);
  max-width: 680px;
  margin: 0 auto 1rem;
  opacity: 0.92;
  letter-spacing: -0.01em;
}

.quote-mark {
  color: var(--accent2);
  font-size: 1.4em;
  line-height: 0;
  vertical-align: -0.15em;
  opacity: 0.7;
}

.hero-scroll {
  margin-top: 3rem;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0.5;
}

.hero-scroll-line {
  width: 1px;
  height: 32px;
  background: linear-gradient(to bottom, transparent, var(--text-muted));
  animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
  0%,
  100% {
    opacity: 0.3;
    transform: scaleY(0.7);
  }
  50% {
    opacity: 1;
    transform: scaleY(1);
  }
}

.hero-scroll-text {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ── Intro panel (glassmorphic) ──────────────────────────────── */

.intro-panel {
  max-width: 920px;
  margin: 1rem auto 3rem;
  padding: 2rem 2.25rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  background: var(--surface-glass);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.05) inset,
    0 30px 80px -20px rgba(0, 0, 0, 0.6);
  position: relative;
  overflow: hidden;
}

.intro-panel-glow {
  position: absolute;
  top: -50%;
  left: -20%;
  width: 70%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(88, 166, 255, 0.12) 0%, transparent 60%);
  pointer-events: none;
  animation: panel-glow 14s ease-in-out infinite;
}

@keyframes panel-glow {
  0%,
  100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(40%, 0);
  }
}

.intro-panel h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.intro-panel h2::before {
  content: '';
  width: 24px;
  height: 1px;
  background: linear-gradient(to right, var(--accent), transparent);
}

.intro-panel p {
  margin: 0.6rem 0;
  color: var(--text-muted);
  line-height: 1.7;
  font-size: 0.98rem;
}

.intro-panel .theme-list {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.65rem;
}

.intro-panel .theme-list li {
  padding: 0.6rem 0 0.6rem 1.5rem;
  position: relative;
  color: var(--text-muted);
  font-size: 0.94rem;
  line-height: 1.6;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.intro-panel .theme-list li:first-child {
  border-top: none;
}

.intro-panel .theme-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  top: 0.6rem;
  color: var(--accent2);
  font-family: var(--font-mono);
}

.intro-panel strong {
  color: var(--text);
  font-weight: 600;
}

.intro-panel em {
  color: var(--accent);
  font-style: normal;
  font-weight: 500;
}

.intro-panel-footnote {
  margin-top: 1.25rem !important;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.92rem !important;
}

/* ── Section titles ─────────────────────────────────────────── */

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  padding: 0 1.5rem;
  max-width: 1100px;
  margin: 4rem auto 0.5rem;
  color: var(--text);
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.section-title-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.15em;
  padding: 0.2rem 0.55rem;
  border: 1px solid rgba(88, 166, 255, 0.3);
  border-radius: 4px;
  background: rgba(88, 166, 255, 0.08);
}

.section-title-sub {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 1rem;
  font-style: italic;
}

.section-subtitle {
  color: var(--text-muted);
  padding: 0 1.5rem;
  max-width: 1100px;
  margin: 0 auto 1.75rem;
  font-size: 0.96rem;
  line-height: 1.6;
}

/* ── Featured cards ─────────────────────────────────────────── */

.featured-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
}

@media (min-width: 880px) {
  .featured-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.featured-card {
  background: var(--surface-glass);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition:
    border-color 0.3s ease,
    box-shadow 0.4s ease,
    transform 0.3s ease,
    background 0.3s ease;
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
  position: relative;
}

.featured-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(
    135deg,
    rgba(88, 166, 255, 0) 0%,
    rgba(88, 166, 255, 0.4) 50%,
    rgba(188, 140, 255, 0) 100%
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.featured-card:hover {
  transform: translateY(-4px);
  background: var(--surface-glass-strong);
  box-shadow:
    0 30px 60px -20px rgba(0, 0, 0, 0.7),
    0 0 40px -10px var(--accent-glow);
}

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

.featured-card-header {
  padding: 1.5rem 1.75rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.featured-card-icon,
.modal-icon {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1;
  color: var(--accent2);
  border: 1px solid rgba(188, 140, 255, 0.3);
  border-radius: 10px;
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(88, 166, 255, 0.08), rgba(188, 140, 255, 0.12));
  letter-spacing: 0.05em;
  box-shadow: 0 0 20px -8px var(--accent2-glow);
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

.featured-card:hover .featured-card-icon {
  transform: scale(1.08) rotate(-3deg);
  box-shadow: 0 0 30px -5px var(--accent2-glow);
}

.featured-card-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 0;
  flex: 1;
  min-width: 200px;
  transition: color 0.3s ease;
}

.featured-card:hover .featured-card-title {
  color: var(--accent);
}

.featured-card-launch {
  background: linear-gradient(135deg, var(--accent), #79b8ff);
  color: #0a0d14;
  padding: 0.55rem 1.15rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.85rem;
  white-space: nowrap;
  text-decoration: none;
  letter-spacing: 0.01em;
  box-shadow: 0 4px 14px -4px var(--accent-glow);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.featured-card-launch:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px -4px var(--accent-glow);
}

.featured-card-launch .arrow {
  transition: transform 0.2s ease;
}

.featured-card-launch:hover .arrow {
  transform: translateX(3px);
}

.featured-card-pitch {
  padding: 1rem 1.75rem 0;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 1rem;
  line-height: 1.6;
  font-style: italic;
  opacity: 0.92;
  letter-spacing: -0.005em;
}

.readme-preview {
  padding: 1.25rem 1.75rem 1.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-height: 280px;
  overflow: hidden;
  position: relative;
  flex: 1;
}

.readme-preview::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 100px;
  background: linear-gradient(to bottom, transparent, var(--surface-glass) 80%);
  pointer-events: none;
}

.readme-preview h1,
.readme-preview h2,
.readme-preview h3 {
  color: var(--text);
  margin: 1rem 0 0.5rem;
  line-height: 1.3;
  font-family: var(--font-display);
  letter-spacing: -0.01em;
}

.readme-preview h1 {
  font-size: 1.25rem;
  color: var(--accent2);
}

.readme-preview h2 {
  font-size: 1.1rem;
}
.readme-preview h3 {
  font-size: 1rem;
}
.readme-preview p {
  margin: 0.5rem 0;
}

.readme-preview ul,
.readme-preview ol {
  margin: 0.5rem 0 0.5rem 1.4rem;
}

.readme-preview code {
  background: rgba(255, 255, 255, 0.06);
  padding: 0.1em 0.35em;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.85em;
  color: var(--accent2);
}

.readme-preview pre {
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 0.75rem;
  border-radius: 8px;
  overflow-x: auto;
  margin: 0.75rem 0;
}

.readme-preview pre code {
  background: none;
  padding: 0;
  color: var(--text);
}

.readme-preview blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 1rem;
  color: var(--text-muted);
  margin: 0.75rem 0;
  font-style: italic;
}

.readme-preview a {
  color: var(--accent);
}
.readme-preview img {
  max-width: 100%;
  border-radius: 8px;
}

.readme-loading {
  color: var(--text-muted);
  font-style: italic;
  padding: 0.5rem 0;
  opacity: 0.6;
}

/* ── Short demo cards ───────────────────────────────────────── */

.card-grid {
  max-width: 1100px;
}

.card {
  position: relative;
  background: var(--surface-glass);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border: 1px solid rgba(255, 255, 255, 0.07);
  overflow: hidden;
}

.card::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 200%;
  background: radial-gradient(circle, rgba(88, 166, 255, 0.08) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.card:hover::after {
  opacity: 1;
}

.card:hover {
  background: var(--surface-glass-strong);
  box-shadow:
    0 20px 40px -15px rgba(0, 0, 0, 0.6),
    0 0 30px -10px var(--accent-glow);
}

.card-glyph {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 2rem;
  font-weight: 600;
  color: var(--accent2);
  margin-bottom: 0.5rem;
  opacity: 0.7;
  letter-spacing: -0.02em;
  transition:
    transform 0.4s ease,
    opacity 0.3s ease;
  transform-origin: left center;
}

.card:hover .card-glyph {
  transform: scale(1.15);
  opacity: 1;
}

.card h2 {
  font-family: var(--font-display);
  letter-spacing: -0.015em;
}

/* ── Modal ──────────────────────────────────────────────────── */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 7, 11, 0.78);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  display: none;
  align-items: flex-start;
  justify-content: center;
  z-index: 1000;
  padding: 2rem 1rem;
  overflow-y: auto;
}

.modal-overlay.open {
  display: flex;
  animation: fadeIn 0.25s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.modal-card {
  background: var(--surface-glass-strong);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 900px;
  margin: auto;
  box-shadow:
    0 40px 100px rgba(0, 0, 0, 0.6),
    0 0 60px -20px var(--accent-glow);
  position: relative;
  animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-header {
  padding: 1.5rem 1.75rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  background: var(--surface-glass-strong);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  z-index: 2;
}

.modal-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--accent);
  margin: 0;
  flex: 1;
  min-width: 200px;
}

.modal-launch {
  background: linear-gradient(135deg, var(--accent), #79b8ff);
  color: #0a0d14;
  padding: 0.55rem 1.15rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.85rem;
  white-space: nowrap;
  text-decoration: none;
  box-shadow: 0 4px 14px -4px var(--accent-glow);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.modal-close {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    background 0.2s,
    border-color 0.2s,
    transform 0.2s;
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--accent);
  transform: rotate(90deg);
}

.modal-body {
  padding: 1.5rem 1.75rem 2rem;
  font-size: 0.96rem;
  color: var(--text-muted);
  line-height: 1.75;
}

.modal-body h1,
.modal-body h2,
.modal-body h3 {
  color: var(--text);
  margin: 1.4rem 0 0.6rem;
  line-height: 1.3;
  font-family: var(--font-display);
  letter-spacing: -0.015em;
}

.modal-body h1 {
  font-size: 1.6rem;
  color: var(--accent2);
}

.modal-body h2 {
  font-size: 1.3rem;
}
.modal-body h3 {
  font-size: 1.1rem;
}
.modal-body p {
  margin: 0.7rem 0;
}

.modal-body ul,
.modal-body ol {
  margin: 0.7rem 0 0.7rem 1.5rem;
}

.modal-body code {
  background: rgba(255, 255, 255, 0.06);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.85em;
  color: var(--accent2);
}

.modal-body pre {
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.07);
  padding: 0.9rem;
  border-radius: 8px;
  overflow-x: auto;
  margin: 0.85rem 0;
}

.modal-body pre code {
  background: none;
  padding: 0;
  color: var(--text);
}

.modal-body blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 1.1rem;
  color: var(--text-muted);
  margin: 0.85rem 0;
  font-style: italic;
}

.modal-body a {
  color: var(--accent);
}

.modal-body img {
  max-width: 100%;
  border-radius: 8px;
}

body.modal-open {
  overflow: hidden;
}

/* ── Footer ─────────────────────────────────────────────────── */

footer {
  margin-top: 5rem;
  padding: 3rem 1.5rem 4rem;
  text-align: center;
}

.footer-divider {
  width: 60px;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--accent), transparent);
  margin: 0 auto 2rem;
}

footer p {
  color: var(--text-muted);
  font-size: 0.88rem;
  max-width: 640px;
  margin: 0 auto 1rem;
}

.footer-mark {
  font-family: var(--font-display);
  font-size: 1.5rem;
  background: linear-gradient(135deg, #58a6ff, #bc8cff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.5;
  margin-top: 1.5rem !important;
}

/* ── Reduced motion respect ─────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  #bgCanvas {
    display: none;
  }
}