/* Marginalia — Landing Page */

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

:root {
  --bg: #06060c;
  --surface: #0d0d18;
  --border: #1a1a2e;
  --text: #e0e0e8;
  --text-dim: #666680;
  --accent: #6366f1;
  --accent-dim: rgba(99, 102, 241, 0.15);
  --tier1: #6366f1;
  --tier2: #3b82f6;
  --tier3: #64748b;
  --green: #4ade80;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Helvetica Neue', sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h2 {
  text-align: center;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-lead {
  text-align: center;
  font-size: 18px;
  color: var(--text-dim);
  max-width: 1100px;
  margin: 0 auto 48px;
  line-height: 1.7;
}
.section-lead em { color: var(--text); font-style: normal; font-weight: 500; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* HERO */
.hero {
  text-align: center;
  padding: 100px 24px 60px;
  max-width: 1100px;
  margin: 0 auto;
}
.hero-badge {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 20px;
  padding: 6px 16px;
  margin-bottom: 32px;
}
.hero h1 {
  font-size: 72px;
  font-weight: 200;
  letter-spacing: 12px;
  text-transform: uppercase;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #fff 40%, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.etymology {
  font-size: 17px;
  color: var(--text-dim);
  line-height: 1.8;
  max-width: 540px;
  margin: 0 auto 28px;
  border-left: 2px solid var(--accent);
  padding-left: 16px;
  text-align: left;
}
.etymology em {
  color: var(--text);
}
.tagline {
  font-size: 28px;
  font-weight: 300;
  color: var(--text);
  margin-bottom: 24px;
  line-height: 1.4;
}
.hero-detail {
  font-size: 18px;
  color: var(--text-dim);
  line-height: 1.8;
  margin-bottom: 20px;
}
.hero-kicker {
  font-size: 16px;
  font-style: italic;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 32px;
}
.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
}
.btn-primary, .btn-secondary {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: #4f46e5; text-decoration: none; }
.btn-secondary {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--text-dim); color: var(--text); text-decoration: none; }

/* DEMO */
.demo {
  padding: 80px 24px;
  max-width: 1100px;
  margin: 0 auto;
}
.demo-video {
  margin-bottom: 48px;
}
.video-placeholder {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  aspect-ratio: 16/9;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.video-play {
  font-size: 48px;
  color: var(--accent);
  opacity: 0.5;
}
.video-label {
  font-size: 13px;
  color: var(--text-dim);
}

.demo-flow {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.flow-step {
  display: flex;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  align-items: flex-start;
}
.flow-num {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-dim);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.flow-label {
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 4px;
}
.flow-quote {
  font-size: 15px;
  font-style: italic;
  color: var(--green);
  line-height: 1.5;
}
.flow-detail {
  font-size: 12px;
  color: var(--text-dim);
  font-family: 'SF Mono', 'Fira Code', monospace;
}
.flow-arrow {
  text-align: center;
  color: var(--text-dim);
  font-size: 16px;
  padding: 2px 0;
}

.flow-lens {
  background: #000;
  border: 1px solid #1a3a1a;
  border-radius: 8px;
  padding: 10px 14px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 14px;
  margin-top: 6px;
}
.lens-line {
  color: #00cc44;
  padding: 2px 0;
}
.lens-line.selected {
  color: #00ff55;
  font-weight: 600;
}

/* ARCHITECTURE */
.architecture {
  padding: 80px 24px;
  max-width: 960px;
  margin: 0 auto;
}
.arch-diagram {
  margin-bottom: 48px;
  overflow-x: auto;
}
.arch-ascii {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px 32px;
  font-family: 'SF Mono', 'Fira Code', 'Courier New', monospace;
  font-size: 13px;
  line-height: 1.4;
  color: var(--green);
  white-space: pre;
  overflow-x: auto;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}
.tech-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}
.tech-card h4 {
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 4px;
}
.tech-name {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text);
}
.tech-card p {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.6;
}
.tech-link {
  margin-top: 8px;
  font-size: 12px;
}

.tech-specs {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  text-align: center;
}
.tech-specs h3 {
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 24px;
}
.specs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.spec-value {
  font-size: 32px;
  font-weight: 200;
  color: var(--accent);
  margin-bottom: 4px;
}
.spec-label {
  font-size: 11px;
  color: var(--text-dim);
  line-height: 1.4;
}

/* PIPELINE */
.how-it-works {
  padding: 80px 24px;
  max-width: 1100px;
  margin: 0 auto;
}
.pipeline {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.pipe-stage {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}
.pipe-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.pipe-num {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-dim);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pipe-stage h3 {
  font-size: 16px;
  font-weight: 500;
}
.pipe-stage p {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 8px;
}
.pipe-tech {
  font-size: 12px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  color: var(--green);
  background: rgba(0, 204, 68, 0.05);
  border: 1px solid rgba(0, 204, 68, 0.1);
  border-radius: 6px;
  padding: 6px 10px;
}

/* MOAT */
.moat {
  padding: 80px 24px;
  max-width: 960px;
  margin: 0 auto;
}
.moat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.moat-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 20px;
}
.moat-item h4 {
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 8px;
}
.moat-item p {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.6;
}

/* VERTICALS */
.verticals {
  padding: 80px 24px;
  max-width: 1080px;
  margin: 0 auto;
}
.vertical-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.vertical-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  border-left: 3px solid var(--tier3);
}
.vertical-card.tier1 { border-left-color: var(--tier1); }
.vertical-card.tier2 { border-left-color: var(--tier2); }
.vertical-card.tier3 { border-left-color: var(--tier3); }
.vertical-tier {
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 4px;
}
.vertical-card h3 {
  font-size: 17px;
  font-weight: 500;
  margin-bottom: 6px;
}
.vertical-who {
  font-size: 12px;
  color: var(--accent);
  margin-bottom: 10px;
}
.vertical-data {
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 8px;
  line-height: 1.5;
}
.vertical-why {
  font-size: 12px;
  color: var(--text);
  line-height: 1.5;
  font-style: italic;
  margin-bottom: 6px;
}
.vertical-pricing {
  font-size: 15px;
  color: var(--green);
  font-weight: 600;
  margin-top: 8px;
}

/* ROADMAP */
.roadmap {
  padding: 80px 24px;
  max-width: 1100px;
  margin: 0 auto;
}
.timeline {
  border-left: 2px solid var(--border);
  padding-left: 32px;
}
.timeline-item {
  position: relative;
  margin-bottom: 32px;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -38px;
  top: 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-dim);
  border: 2px solid var(--bg);
}
.timeline-item.active::before {
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}
.timeline-year {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 1px;
  margin-bottom: 4px;
}
.timeline-content {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.6;
}
.timeline-content strong { color: var(--text); }

/* FOUNDER */
.founder {
  padding: 80px 24px;
  max-width: 640px;
  margin: 0 auto;
}
.founder-content {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
}
.founder-bio h3 {
  font-size: 20px;
  font-weight: 500;
  margin-bottom: 4px;
}
.founder-role {
  font-size: 16px;
  color: var(--accent);
  margin-bottom: 12px;
}
.founder-bio p {
  font-size: 16px;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 8px;
}
.founder-meta {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.founder-stat {
  text-align: center;
}
.stat-value {
  font-size: 18px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 2px;
}
.stat-label {
  font-size: 11px;
  color: var(--text-dim);
  line-height: 1.3;
}

/* WHY NOW */
.why-now {
  padding: 80px 24px;
  max-width: 960px;
  margin: 0 auto;
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.why-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 20px;
}
.why-item h4 {
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 8px;
}
.why-item p {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.6;
}

/* OPEN SOURCE */
.open-source {
  padding: 60px 24px;
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}
.os-cta {
  margin-bottom: 32px;
}
.os-built-with p {
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 12px;
}
.built-logos {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
}
.built-logos span {
  font-size: 12px;
  color: var(--text-dim);
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
}

/* FOOTER */
footer {
  text-align: center;
  padding: 60px 24px 48px;
  max-width: 1100px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
}
.footer-brand {
  font-size: 14px;
  letter-spacing: 6px;
  font-weight: 300;
  margin-bottom: 8px;
  color: var(--text-dim);
}
footer > p {
  font-size: 15px;
  color: var(--text-dim);
  margin-bottom: 12px;
}
.footer-links {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin-bottom: 16px;
}
.footer-links a {
  font-size: 13px;
  color: var(--text-dim);
}
.footer-links a:hover { color: var(--accent); }
.footer-meta {
  font-size: 11px;
  color: #444;
  margin-bottom: 4px;
}

/* DEMO VIDEOS */
.demo-videos {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin: 32px 0;
}
.demo-vid {
  width: 320px;
}
.demo-vid iframe {
  width: 100%;
  aspect-ratio: 9/16;
  border-radius: 12px;
  border: 1px solid var(--border);
}
.demo-vid-label {
  text-align: center;
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 8px;
}

/* PHASES */
.phases {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 40px 0;
}
.phase-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}
.phase-card p {
  font-size: 15px;
  color: var(--text-dim);
  line-height: 1.7;
}
.phase-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--green);
  border: 1px solid var(--green);
  border-radius: 4px;
  padding: 4px 10px;
  margin-bottom: 12px;
}
.phase-wip {
  color: var(--accent);
  border-color: var(--accent);
}

/* APP SCREENSHOTS */
.app-screenshots {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 40px 0;
}
.screenshot {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface);
}
.screenshot img {
  width: 100%;
  height: auto;
  display: block;
}
.screenshot-caption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.5;
}
.screenshot-caption strong {
  color: var(--text);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero h1 { font-size: 40px; letter-spacing: 6px; }
  .tagline { font-size: 18px; }
  .moat-grid, .tech-grid, .why-grid { grid-template-columns: 1fr; }
  .vertical-grid { grid-template-columns: 1fr; }
  .specs-grid { grid-template-columns: repeat(2, 1fr); }
  .founder-content { grid-template-columns: 1fr; }
  .hero { padding: 80px 20px 60px; }
  .hero-cta { flex-direction: column; align-items: center; }
  .arch-ascii { font-size: 10px; }
}