:root {
  --bg: #050505;
  --bg-soft: #0d0d0d;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-strong: rgba(255, 255, 255, 0.07);
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.22);
  --text: #f5f5f5;
  --muted: #b5b5b5;
  --shadow: rgba(0, 0, 0, 0.42);
  --max: 1180px;
  --accent: #00e5ff;
  --accent-soft: rgba(0, 229, 255, 0.2);
  --accent-alt: #ff6b35;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.08), transparent 28%),
    linear-gradient(180deg, #0a0a0a 0%, #030303 100%);
  color: var(--text);
  font-family: "Segoe UI", Arial, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

canvas,
img {
  display: block;
  max-width: 100%;
}

.scanlines {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.18;
  background:
    repeating-linear-gradient(
      to bottom,
      rgba(255, 255, 255, 0.04) 0,
      rgba(255, 255, 255, 0.04) 1px,
      transparent 1px,
      transparent 5px
    );
  animation: drift 12s linear infinite;
}

.shell {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(14px);
  background: rgba(3, 3, 3, 0.72);
}

.header-row,
.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.header-row {
  min-height: 74px;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 0.12rem;
}

.brand-mark,
h1,
h2,
h3 {
  font-family: Georgia, "Times New Roman", serif;
  letter-spacing: 0;
}

.brand-mark {
  font-size: 1.2rem;
  font-weight: 700;
}

.brand-sub,
.eyebrow,
.panel-label,
.topic-index,
.topic-link,
.meta-label {
  text-transform: uppercase;
  letter-spacing: 0.2rem;
  font-size: 0.72rem;
}

.brand-sub,
.section-copy,
.topic-card p,
.feature-panel p,
.panel-copy,
.timeline-item p,
.archive-card p,
.footer-row p {
  color: var(--muted);
}

.site-nav,
.page-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-nav a,
.page-links a {
  position: relative;
  font-size: 0.92rem;
  color: #dfdfdf;
}

.site-nav a::after,
.page-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.25rem;
  height: 1px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
  background: var(--accent);
}

.site-nav a:hover::after,
.page-links a:hover::after,
.site-nav a:focus-visible::after,
.page-links a:focus-visible::after {
  transform: scaleX(1);
}

.hero {
  position: relative;
  border-bottom: 1px solid var(--line);
  overflow: clip;
}

.hero-home {
  min-height: calc(100vh - 74px);
  display: grid;
  align-items: center;
}

.page-hero {
  padding: 5rem 0 3rem;
}

.sky-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.5;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.28), rgba(0, 0, 0, 0.88)),
    linear-gradient(90deg, rgba(0, 0, 0, 0.94), rgba(0, 0, 0, 0.48) 45%, rgba(0, 0, 0, 0.9));
  pointer-events: none;
}

.hero-grid,
.topic-layout,
.section-head,
.feature-grid,
.archive-grid,
.related-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1.25rem;
}

.hero-grid,
.topic-layout {
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  align-items: end;
}

.hero-grid {
  padding: 6rem 0 4rem;
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--accent);
}

h1 {
  margin: 0;
  font-size: clamp(3.25rem, 8vw, 6.5rem);
  line-height: 0.92;
}

h2 {
  margin: 0.25rem 0 0;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1;
}

h3 {
  margin: 0 0 0.65rem;
  font-size: 1.45rem;
}

.hero-text,
.lede {
  max-width: 44rem;
  font-size: 1.04rem;
  color: #ebebeb;
}

.hero-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.8rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.85rem 1.2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover,
.button:focus-visible,
.topic-card:hover,
.topic-card:focus-visible,
.feature-panel:hover,
.archive-card:hover,
.detail-card:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #050505;
  background: linear-gradient(135deg, var(--accent), #ffffff 140%);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06), 0 14px 32px var(--accent-soft);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--line);
}

.signal-panel,
.feature-panel,
.archive-card,
.detail-card,
.timeline-item,
.topic-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.03));
  border: 1px solid var(--line);
  box-shadow: 0 18px 50px var(--shadow);
}

.signal-panel {
  padding: 1.35rem;
}

.panel-label {
  color: var(--accent);
}

.signal-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
  margin-top: 1rem;
}

.signal-list strong {
  display: block;
  font-size: 1.6rem;
  color: #ffffff;
}

.signal-wave {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 0.45rem;
  align-items: end;
  min-height: 122px;
  margin-top: 1.2rem;
}

.signal-wave span {
  min-height: 18px;
  border-radius: 999px 999px 0 0;
  background: linear-gradient(180deg, var(--accent), rgba(255, 255, 255, 0.04));
  animation: pulse 2.6s ease-in-out infinite;
}

.signal-wave span:nth-child(1) { height: 26%; }
.signal-wave span:nth-child(2) { height: 48%; }
.signal-wave span:nth-child(3) { height: 82%; }
.signal-wave span:nth-child(4) { height: 38%; }
.signal-wave span:nth-child(5) { height: 65%; }
.signal-wave span:nth-child(6) { height: 55%; }
.signal-wave span:nth-child(7) { height: 88%; }
.signal-wave span:nth-child(8) { height: 44%; }
.signal-wave span:nth-child(9) { height: 72%; }
.signal-wave span:nth-child(10) { height: 31%; }
.signal-wave span:nth-child(11) { height: 58%; }
.signal-wave span:nth-child(12) { height: 40%; }

.signal-wave span:nth-child(2n) {
  animation-duration: 2.2s;
}

.signal-wave span:nth-child(3n) {
  animation-duration: 3s;
}

.section-shell {
  padding: 5rem 0;
  border-bottom: 1px solid var(--line);
}

.section-head {
  grid-template-columns: minmax(0, 1fr) minmax(260px, 380px);
  align-items: end;
  margin-bottom: 2rem;
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.topic-card,
.feature-panel,
.archive-card,
.detail-card {
  padding: 1.35rem;
  min-height: 100%;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.topic-card {
  position: relative;
}

.topic-card::before,
.feature-panel::before,
.archive-card::before,
.detail-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--card-accent, var(--accent));
  box-shadow: 0 0 20px var(--card-accent, var(--accent));
}

.topic-card h3,
.feature-panel h3,
.archive-card h3,
.detail-card h3 {
  color: #ffffff;
}

.topic-index,
.topic-link,
.meta-label {
  color: var(--card-accent, var(--accent));
}

.topic-link {
  display: inline-block;
  margin-top: 1rem;
  font-weight: 700;
}

.feature-grid,
.archive-grid,
.related-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.manifesto {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 22%),
    linear-gradient(180deg, #070707, #030303);
}

.page-shell {
  position: relative;
  z-index: 1;
}

.topic-summary {
  display: grid;
  gap: 0.9rem;
}

.detail-card {
  position: relative;
}

.detail-list,
.archive-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.detail-list li,
.archive-list li {
  padding-top: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.detail-list li:first-child,
.archive-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.timeline {
  display: grid;
  gap: 1rem;
}

.timeline-item {
  padding: 1.25rem;
}

.meta-label {
  display: inline-flex;
  margin-bottom: 0.65rem;
}

.quote-strip {
  margin: 2rem 0 0;
  padding: 1.2rem 1.3rem;
  border-left: 3px solid var(--accent);
  background: rgba(255, 255, 255, 0.03);
  color: #f0f0f0;
  box-shadow: 0 16px 40px var(--shadow);
}

.related-grid a {
  min-height: 170px;
}

.site-footer {
  padding: 2rem 0 2.75rem;
}

.footer-row {
  padding-top: 0.5rem;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

@keyframes pulse {
  0%, 100% {
    transform: scaleY(0.45);
    opacity: 0.45;
  }
  50% {
    transform: scaleY(1);
    opacity: 1;
  }
}

@keyframes drift {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(8px);
  }
}

@media (max-width: 980px) {
  .hero-grid,
  .topic-layout,
  .section-head,
  .feature-grid,
  .archive-grid,
  .related-grid,
  .topic-grid {
    grid-template-columns: 1fr;
  }

  .signal-list {
    grid-template-columns: 1fr;
  }

  .footer-row,
  .header-row {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(var(--max), calc(100% - 1.2rem));
  }

  .site-nav,
  .page-links,
  .hero-actions,
  .button-row {
    width: 100%;
  }

  .button {
    width: 100%;
  }

  .page-hero {
    padding-top: 4rem;
  }
}