:root {
  --bg: #131316;
  --bg-alt: #1a1a1f;
  --fg: #f0ede6;
  --fg-muted: #8a8780;
  --accent: #00E5B8;
  --accent-dim: rgba(0, 229, 184, 0.12);
  --border: rgba(255,255,255,0.08);
  --card-bg: #1c1c22;
  --serif: 'Instrument Serif', Georgia, serif;
  --sans: 'DM Sans', system-ui, sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(19, 19, 22, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
}
.nav-badge {
  font-size: 13px;
  color: var(--fg-muted);
  display: none;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  position: relative;
  overflow: hidden;
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,229,184,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,184,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, black 40%, transparent 100%);
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  width: 100%;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}
.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}
.hero-headline {
  font-family: var(--serif);
  font-size: clamp(38px, 5vw, 62px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.hero-headline em {
  font-style: italic;
  color: var(--accent);
}
.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.65;
  max-width: 460px;
  margin-bottom: 36px;
}
.hero-meta-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.meta-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-muted);
}
.meta-check {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
}
.meta-future {
  font-size: 13px;
  color: var(--fg-muted);
}
.meta-sep {
  width: 1px;
  height: 32px;
  background: var(--border);
}

/* Matrix Card */
.matrix-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.matrix-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  font-weight: 500;
  color: var(--fg-muted);
}
.matrix-badge {
  background: var(--accent);
  color: #131316;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 2px 8px;
  border-radius: 4px;
}
.matrix-table {
  padding: 0;
}
.matrix-row {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  border-bottom: 1px solid var(--border);
}
.matrix-row:last-child { border-bottom: none; }
.matrix-row-head {
  background: var(--bg-alt);
}
.matrix-cell {
  padding: 10px 12px;
  font-size: 11px;
  text-align: center;
  color: var(--fg-muted);
}
.cell-control {
  text-align: left;
  font-weight: 500;
  color: var(--fg);
}
.check { color: var(--accent); font-size: 14px; }
.dim { color: rgba(255,255,255,0.2); font-size: 14px; }
.warn { color: #f5a623; font-size: 14px; }
.matrix-legend {
  padding: 10px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 16px;
  font-size: 11px;
  color: var(--fg-muted);
}

/* Readiness Row */
.readiness-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 12px;
}
.readiness-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
}
.readiness-label {
  font-size: 11px;
  color: var(--fg-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.readiness-bar {
  width: 100%;
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  margin-bottom: 6px;
  overflow: hidden;
}
.readiness-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
}
.readiness-pct {
  font-size: 18px;
  font-weight: 600;
  font-family: var(--serif);
}

/* Problem */
.problem {
  padding: 120px 32px;
  background: var(--bg-alt);
}
.problem-inner { max-width: 1200px; margin: 0 auto; }
.problem-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 20px;
}
.problem-headline {
  font-family: var(--serif);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 64px;
  max-width: 500px;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.problem-card {
  background: var(--bg-alt);
  padding: 36px 32px;
}
.problem-num {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.problem-title {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 400;
  margin-bottom: 12px;
  font-style: italic;
}
.problem-card p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.65;
}
.problem-card em { font-style: normal; color: var(--fg); }

/* Architecture */
.architecture {
  padding: 120px 32px;
}
.architecture-inner { max-width: 1200px; margin: 0 auto; }
.arch-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 20px;
}
.arch-headline {
  font-family: var(--serif);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.arch-body {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 64px;
}
.arch-flow {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 48px;
  flex-wrap: wrap;
  row-gap: 16px;
}
.arch-node {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 24px;
  min-width: 180px;
}
.arch-node-source {
  border-color: var(--accent);
  background: var(--accent-dim);
}
.arch-node-label {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
}
.arch-node-sub {
  font-size: 12px;
  color: var(--fg-muted);
}
.arch-arrow { padding: 0 8px; }
.arch-quote {
  font-family: var(--serif);
  font-size: 20px;
  font-style: italic;
  color: var(--fg-muted);
  padding: 24px 0;
  border-top: 1px solid var(--border);
}

/* Features */
.features {
  padding: 120px 32px;
  background: var(--bg-alt);
}
.features-inner { max-width: 1200px; margin: 0 auto; }
.features-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 20px;
}
.features-headline {
  font-family: var(--serif);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 64px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.feature-card {
  background: var(--bg-alt);
  padding: 32px;
}
.feature-icon {
  width: 44px;
  height: 44px;
  background: var(--accent-dim);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.feature-title {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 400;
  font-style: italic;
  margin-bottom: 10px;
}
.feature-desc {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* Roadmap */
.roadmap {
  padding: 120px 32px;
}
.roadmap-inner { max-width: 1200px; margin: 0 auto; }
.roadmap-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 20px;
}
.roadmap-headline {
  font-family: var(--serif);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 64px;
}
.roadmap-phases {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}
.roadmap-phases::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: var(--border);
}
.phase {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 20px 0;
  position: relative;
}
.phase-dot {
  width: 21px;
  height: 21px;
  border-radius: 50%;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  margin-top: 2px;
}
.phase-now .phase-dot { background: var(--accent); box-shadow: 0 0 12px rgba(0,229,184,0.4); }
.phase-soon .phase-dot { background: var(--bg-alt); border: 2px solid var(--fg-muted); }
.phase-later .phase-dot { background: var(--bg-alt); border: 2px solid rgba(255,255,255,0.15); }
.phase-body { padding-bottom: 8px; }
.phase-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}
.phase-items {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.5;
}
.phase-now .phase-items { color: var(--fg); }

/* Closing */
.closing {
  padding: 120px 32px;
  background: var(--bg-alt);
}
.closing-inner { max-width: 1200px; margin: 0 auto; }
.closing-headline {
  font-family: var(--serif);
  font-size: clamp(42px, 6vw, 80px);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 24px;
}
.closing-sub {
  font-size: 20px;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 32px;
}
.closing-tagline {
  font-size: 14px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}

/* Footer */
.footer {
  padding: 48px 32px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 14px;
}
.footer-note {
  font-size: 13px;
  color: var(--fg-muted);
  font-style: italic;
  font-family: var(--serif);
}
.footer-copy {
  margin-left: auto;
  font-size: 12px;
  color: rgba(255,255,255,0.25);
}

/* Responsive */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-left { order: 2; }
  .hero-right { order: 1; }
  .problem-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .nav-badge { display: none; }
  .arch-flow { flex-direction: column; align-items: flex-start; }
  .arch-arrow { transform: rotate(90deg); }
}
@media (max-width: 600px) {
  .hero-headline { font-size: 34px; }
  .readiness-row { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-copy { margin-left: 0; }
}