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

:root {
  --bg: #050608;
  --bg-elevated: #0a0c10;
  --bg-card: #0d0f14;
  --cyan: #00e5ff;
  --cyan-dim: #00e5ff40;
  --cyan-glow: #00e5ff18;
  --magenta: #ff38aa;
  --magenta-dim: #ff38aa40;
  --text: #e8e6e3;
  --text-dim: #8a8a8a;
  --text-muted: #555;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --mono: 'JetBrains Mono', monospace;
  --sans: 'Geist', system-ui, sans-serif;
  --bracket: "[ ";
  --bracket-end: " ]";
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background: var(--bg);
  color: var(--text);
}

body {
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── Atmosphere ─────────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 40%, var(--cyan-glow), transparent),
    radial-gradient(ellipse 60% 40% at 80% 60%, #ff38aa08, transparent);
  pointer-events: none;
  z-index: 0;
}

/* dot-grid texture applied via JS to avoid crawler CSS parse errors */

/* ── Scan line ──────────────────────────────────────── */
@keyframes scanline {
  0% { transform: translateY(-100vh); }
  100% { transform: translateY(100vh); }
}

.scanline {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan-dim), transparent);
  z-index: 2;
  pointer-events: none;
  animation: scanline 8s linear infinite;
  opacity: 0.3;
}

/* ── Layout ─────────────────────────────────────────── */
section {
  position: relative;
  z-index: 3;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ── Corner brackets ────────────────────────────────── */
.bracketed {
  position: relative;
  padding: 2rem;
}
.bracketed::before,
.bracketed::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border-color: var(--cyan-dim);
  border-style: solid;
}
.bracketed::before {
  top: 0; left: 0;
  border-width: 1px 0 0 1px;
}
.bracketed::after {
  bottom: 0; right: 0;
  border-width: 0 1px 1px 0;
}

/* ── Reveal animation ───────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.hero-eyebrow {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeIn 1s 0.3s ease forwards;
}

.hero-title {
  font-family: var(--serif);
  font-size: 8rem;
  font-weight: 300;
  font-style: italic;
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--cyan);
  text-shadow: 0 0 60px var(--cyan-dim);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeIn 1s 0.6s ease forwards;
}

.hero-subtitle {
  font-family: var(--sans);
  font-size: 1.35rem;
  font-weight: 300;
  color: var(--text-dim);
  max-width: 600px;
  line-height: 1.8;
  margin-bottom: 3rem;
  opacity: 0;
  animation: fadeIn 1s 0.9s ease forwards;
}

.hero-stat {
  display: inline-flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--cyan-dim);
  border-radius: 2px;
  opacity: 0;
  animation: fadeIn 1s 1.2s ease forwards;
}

.hero-stat-number {
  font-family: var(--mono);
  font-size: 2.5rem;
  font-weight: 500;
  color: var(--cyan);
  text-shadow: 0 0 30px var(--cyan-dim);
}

.hero-stat-label {
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--text-dim);
  max-width: 200px;
  line-height: 1.4;
}

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

/* ── Divider ────────────────────────────────────────── */
.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-dim), transparent);
  margin: 6rem 0;
}

/* ═══════════════════════════════════════════════════════
   QUOTE
   ═══════════════════════════════════════════════════════ */
.quote-section {
  padding: 4rem 0;
}

.quote-text {
  font-family: var(--serif);
  font-size: 2.2rem;
  font-weight: 300;
  font-style: italic;
  color: var(--text);
  line-height: 1.6;
  max-width: 800px;
  position: relative;
  padding-left: 2rem;
  border-left: 2px solid var(--cyan-dim);
}

.quote-attribution {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 1.5rem;
  padding-left: 2rem;
  letter-spacing: 0.05em;
}

/* ═══════════════════════════════════════════════════════
   PROBLEM / SOLUTION
   ═══════════════════════════════════════════════════════ */
.section-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 1.5rem;
}

.section-heading {
  font-family: var(--serif);
  font-size: 3.5rem;
  font-weight: 300;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 2rem;
}

.section-body {
  font-size: 1.05rem;
  color: var(--text-dim);
  max-width: 650px;
  line-height: 1.8;
}

.section-body strong {
  color: var(--text);
  font-weight: 400;
}

/* ═══════════════════════════════════════════════════════
   ARCHITECTURE
   ═══════════════════════════════════════════════════════ */
.arch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.arch-card {
  background: var(--bg-card);
  border: 1px solid #ffffff08;
  padding: 2rem;
  position: relative;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.arch-card:hover {
  border-color: var(--cyan-dim);
  box-shadow: 0 0 40px var(--cyan-glow);
}

.arch-card-icon {
  font-family: var(--mono);
  font-size: 1.5rem;
  color: var(--cyan);
  margin-bottom: 1rem;
  display: block;
}

.arch-card-title {
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.arch-card-desc {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════
   TAXONOMY
   ═══════════════════════════════════════════════════════ */
.taxonomy-row {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid #ffffff06;
  font-family: var(--mono);
  font-size: 0.85rem;
}

.taxonomy-term {
  color: var(--cyan);
  min-width: 120px;
  font-weight: 500;
}

.taxonomy-def {
  color: var(--text-dim);
  font-weight: 300;
}

.taxonomy-origin {
  color: var(--text-muted);
  font-style: italic;
  font-family: var(--serif);
  font-size: 0.9rem;
  margin-left: auto;
  white-space: nowrap;
}

/* ═══════════════════════════════════════════════════════
   BENCHMARK
   ═══════════════════════════════════════════════════════ */
.bench-hero {
  text-align: center;
  padding: 4rem 0;
}

.bench-number {
  font-family: var(--mono);
  font-size: 10rem;
  font-weight: 500;
  color: var(--cyan);
  line-height: 1;
  text-shadow: 0 0 80px var(--cyan-dim), 0 0 160px #00e5ff10;
  position: relative;
}

.bench-number::after {
  content: '';
}

.bench-caption {
  font-family: var(--sans);
  font-size: 1.1rem;
  color: var(--text-dim);
  margin-top: 1rem;
}

.bench-caption strong {
  color: var(--text);
  font-weight: 400;
}

/* ── Benchmark bars ─────────────────────────────────── */
.bench-bars {
  margin-top: 4rem;
}

.bench-bar-row {
  display: grid;
  grid-template-columns: 180px 1fr 60px;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem 0;
  border-bottom: 1px solid #ffffff06;
}

.bench-bar-label {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  text-align: right;
}

.bench-bar-track {
  height: 28px;
  background: #ffffff06;
  position: relative;
  overflow: hidden;
}

.bench-bar-fill {
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  transition: width 1.5s cubic-bezier(0.16, 1, 0.3, 1);
  width: 0;
}

.bench-bar-fill.cold { background: linear-gradient(90deg, #ffffff20, #ffffff30); }
.bench-bar-fill.claude-md { background: linear-gradient(90deg, #ffffff25, #ffffff40); }
.bench-bar-fill.blind { background: linear-gradient(90deg, #ffffff20, #ffffff30); }
.bench-bar-fill.static {
  background: linear-gradient(90deg, var(--cyan-dim), var(--cyan));
  box-shadow: 0 0 20px var(--cyan-dim);
}

.bench-bar-value {
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  text-align: right;
}

.bench-bar-value.winner { color: var(--cyan); }

/* ── Category grid ──────────────────────────────────── */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1px;
  background: #ffffff06;
  margin-top: 4rem;
}

.cat-cell {
  background: var(--bg);
  padding: 2rem;
}

.cat-name {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.cat-score {
  font-family: var(--mono);
  font-size: 2.5rem;
  font-weight: 500;
  color: var(--cyan);
  line-height: 1;
}

.cat-baseline {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

.cat-baseline span {
  color: var(--text-dim);
}

.cat-perfect {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--magenta);
  background: var(--magenta-dim);
  padding: 0.15rem 0.5rem;
  margin-top: 0.5rem;
  border: 1px solid var(--magenta-dim);
}

/* ═══════════════════════════════════════════════════════
   KEY INSIGHT
   ═══════════════════════════════════════════════════════ */
.insight-box {
  background: var(--bg-card);
  border-left: 3px solid var(--magenta);
  padding: 2.5rem 3rem;
  margin: 4rem 0;
}

.insight-box p {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--text);
  line-height: 1.7;
}

.insight-box em {
  color: var(--magenta);
  font-style: normal;
  font-weight: 400;
}

/* ═══════════════════════════════════════════════════════
   FEATURES
   ═══════════════════════════════════════════════════════ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
  margin-top: 3rem;
}

@media (max-width: 700px) {
  .features-grid { grid-template-columns: 1fr; }
}

.feature {
  position: relative;
  padding-left: 1.5rem;
  border-left: 1px solid #ffffff10;
}

.feature-title {
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════ */
footer {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: 6rem 2rem 4rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

footer a {
  color: var(--cyan);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

.footer-sigil {
  font-family: var(--serif);
  font-size: 1.5rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  letter-spacing: 0.1em;
}

/* ── Mesh canvas ────────────────────────────────────── */
#mesh-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.25;
}

.mesh-section {
  position: relative;
  z-index: 3;
  width: 100%;
  height: 500px;
  margin: 2rem 0;
}

.mesh-section canvas {
  width: 100%;
  height: 100%;
  border: 1px solid #ffffff06;
}

.mesh-section-label {
  position: absolute;
  bottom: 1.5rem;
  right: 2rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  z-index: 4;
}

/* ── Animated counter ───────────────────────────────── */
@keyframes pulse-glow {
  0%, 100% { text-shadow: 0 0 60px var(--cyan-dim), 0 0 120px #00e5ff10; }
  50% { text-shadow: 0 0 80px var(--cyan), 0 0 160px #00e5ff20; }
}

.bench-number.animated {
  animation: pulse-glow 3s ease-in-out infinite;
}

/* ── Responsive — tablet ────────────────────────────── */
@media (max-width: 900px) {
  .arch-grid { grid-template-columns: 1fr; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { gap: 2rem; }
  .mesh-section { height: 350px; }
}

/* ── Responsive — mobile ───────────────────────────── */
@media (max-width: 600px) {
  section { padding: 0 1.25rem; }

  .hero { min-height: 90vh; padding-top: 3rem; }
  .hero-eyebrow { font-size: 0.65rem; margin-bottom: 1rem; }
  .hero-title { font-size: 3.2rem; margin-bottom: 1.5rem; }
  .hero-subtitle { font-size: 1rem; margin-bottom: 2rem; }

  .hero-stat {
    flex-direction: column;
    gap: 0.5rem;
    padding: 1.25rem;
    text-align: center;
    align-items: center;
  }
  .hero-stat-number { font-size: 2rem; }
  .hero-stat-label { max-width: 100%; text-align: center; font-size: 0.8rem; }

  .divider { margin: 3rem 0; }

  .section-heading { font-size: 1.8rem; }
  .section-body { font-size: 0.95rem; }

  .quote-text { font-size: 1.2rem; padding-left: 1.25rem; }
  .quote-attribution { padding-left: 1.25rem; }

  .bench-bar-row {
    grid-template-columns: 90px 1fr 50px;
    gap: 0.5rem;
    padding: 0.75rem 0;
  }
  .bench-bar-label { font-size: 0.65rem; }
  .bench-bar-track { height: 22px; }

  .bench-number { font-size: 5rem !important; }

  .cat-grid { grid-template-columns: 1fr 1fr; }
  .cat-cell { padding: 1.25rem; }
  .cat-score { font-size: 2rem; }

  .taxonomy-row {
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.5rem 0;
  }
  .taxonomy-term { min-width: auto; }
  .taxonomy-origin { margin-left: 0; }

  .bracketed { padding: 1.25rem; }
  .arch-grid { grid-template-columns: 1fr; gap: 1rem; }

  .features-grid { grid-template-columns: 1fr; gap: 2rem; }

  .insight-box { padding: 1.5rem; }
  .insight-box p { font-size: 1.1rem; }

  .mesh-section { height: 250px; }

  #mesh-bg { opacity: 0.3; }
}