/* === Evigilans — Self-contained CSS === */

:root {
  --bg: #05050a;
  --bg-elev: #0a0a12;
  --bg-card: #0c0c15;
  --border: rgba(255,255,255,0.07);
  --text: #ffffff;
  --text-muted: #9ca3af;
  --text-subtle: #6b7280;
  --accent: #2dd4bf;           /* teal/cyan */
  --accent-dim: rgba(45,212,191,0.15);
  --accent-glow: rgba(45,212,191,0.08);
  --radius: 1rem;
  --max-width: 1200px;
}

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

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: Inter, "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
}

/* === Typography === */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.15; letter-spacing: -0.015em; }
h1 { font-size: clamp(2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.4rem); margin-bottom: 1.5rem; }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); margin-bottom: 0.75rem; }
h4 { font-size: 1.1rem; margin-bottom: 0.5rem; }

p { color: var(--text-muted); }
accent, .accent { color: var(--accent); }
.center-text { text-align: center; }
.section-label {
  text-transform: uppercase;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--text-subtle);
  margin-bottom: 1rem;
}
.sub-heading {
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  text-align: center;
  margin-bottom: 2rem;
  font-weight: 600;
}

blockquote {
  border-left: 2px solid var(--accent);
  padding-left: 1.5rem;
  margin: 2rem 0;
  font-style: italic;
  color: var(--text-muted);
}
blockquote p { color: inherit; }

/* === Layout === */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem; }

section { padding: 7rem 0; }
section + section { border-top: 1px solid var(--border); }

/* === Header === */
.site-header {
  position: sticky;
  top: 0; z-index: 1000;
  background: rgba(5,5,10,0.85);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.logo {
  font-weight: 800; font-size: 1.1rem; letter-spacing: 0.03em;
  color: var(--text); text-decoration: none;
}
.main-nav { display: flex; align-items: center; gap: 0.75rem; }
.main-nav a {
  font-size: 0.82rem; font-weight: 500; color: var(--text-muted);
  text-decoration: none; transition: color 0.2s; letter-spacing: 0.02em;
}
.main-nav a:hover { color: var(--text); }
.nav-sep { color: var(--text-subtle); font-size: 0.7rem; }

.header-cta { display: flex; align-items: center; gap: 1.2rem; }
.status-indicator {
  display:flex; align-items:center; gap:0.4rem;
  font-size:0.76rem; color:var(--text-muted); font-weight:500;
}
.status-indicator .dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  display:inline-block;
}

/* Mobile nav */
.nav-toggle { display:none; flex-direction:column; gap:4px; background:none; border:none; cursor:pointer; padding:0.25rem; }
.nav-toggle span { display:block; width:22px; height:2px; background:var(--text-muted); border-radius:1px; transition:0.2s; }
.nav-toggle { display:none; }

@media (max-width: 880px) {
  .nav-toggle { display:flex; flex:none; }
  .main-nav {
    position:fixed; inset:64px 0 0 0;
    background: rgba(5,5,10,0.98); backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction:column; align-items:center; justify-content:flex-start; gap:1.5rem;
    padding-top:3rem;
    transform: translateX(100%); transition: transform 0.25s ease;
  }
  .nav-open .main-nav { transform: translateX(0); }
  .nav-sep { display:none; }
  .nav-toggle span:nth-child(1) { transform-origin: center; }
  .nav-toggle span:nth-child(3) { transform-origin: center; }
  .nav-open .nav-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .nav-open .nav-toggle span:nth-child(2) { opacity:0; }
  .nav-open .nav-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
}
@media (max-width:520px){
  .header-cta .status-indicator{display:none}
}

/* === Buttons === */
.btn {
  display:inline-flex; align-items:center; justify-content:center;
  padding: 0.68rem 1.4rem; border-radius: 2rem;
  font-weight:600; font-size:0.88rem; text-decoration:none;
  cursor:pointer; border:none; transition:all 0.2s; letter-spacing:0.01em;
}
.btn-primary {
  background: var(--accent); color: var(--bg);
}
.btn-primary:hover { background: #fff; color: var(--bg); }
.btn-outline {
  background: transparent; color: var(--text);
  border: 1px solid rgba(255,255,255,0.18);
}
.btn-outline:hover { background: rgba(255,255,255,0.06); }
.btn-accent {
  background: var(--accent); color: var(--bg); padding: 0.55rem 1.1rem; font-size:0.82rem;
}
.btn-accent:hover { background: #fff; }
.link { color: var(--accent); text-decoration: none; }
.link:hover { text-decoration: underline; }

/* === Hero === */
.hero {
  min-height: 100vh; display: flex; flex-direction: column; justify-content: center;
  position: relative; padding: 8rem 0 6rem;
}
.hero-content { text-align: center; max-width: 840px; margin: 0 auto; }
.hero-content h1 { margin-bottom: 1.2rem; }
.hero .lead {
  font-size: clamp(1rem, 1.8vw, 1.25rem); color: var(--text-muted);
  max-width: 640px; margin: 0 auto 2.5rem;
}
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.scroll-hint {
  position:absolute; bottom:2.5rem; left:50%; transform:translateX(-50%);
  width:24px; height:40px; border:2px solid rgba(255,255,255,0.18); border-radius:12px;
}
.scroll-hint span {
  display:block; width:4px; height:8px; background:var(--accent); border-radius:2px;
  margin:6px auto 0; animation: scrollPulse 2s infinite ease-in-out;
}
@keyframes scrollPulse { 0%,100%{opacity:1;transform:translateY(0)}50%{opacity:0.4;transform:translateY(6px)} }

/* === About / Stats === */
.about h2, .discoveries h2, .seth h2, .vision h2, .research h2, .story h2 { margin-bottom: 3rem; }
.prose-columns { display:grid; grid-template-columns: 1.2fr 1fr; gap: 5rem; align-items: start; }
@media (max-width:900px){ .prose-columns{grid-template-columns:1fr;gap:3rem} }
.about p + p { margin-top: 1.1rem; }
.stats-grid { display:grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.stat {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.8rem 1.2rem; text-align: center; transition: transform 0.3s, border-color 0.3s;
}
.stat:hover { transform: translateY(-3px); border-color: rgba(45,212,191,0.2); }
.stat-number { font-weight: 800; font-size: 1.3rem; color: var(--accent); }
.stat-unit { font-weight:700; font-size:0.78rem; text-transform:uppercase; letter-spacing:0.08em; color:var(--text-muted); margin-top:0.2rem; }
.stat-label { font-size:0.7rem; color:var(--text-subtle); margin-top:0.4rem; }

/* === Discoveries === */
.discoveries { background: var(--bg-elev); }
.feature-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem;
}
.feature {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 2rem 1.8rem; opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease;
}
.feature.visible { opacity: 1; transform: translateY(0); }
.feature.feature-wide { grid-column: 1 / -1; }
.feature h3 { color: var(--accent); margin-bottom: 0.8rem; }
.feature p + p { margin-top: 0.7rem; }
.feature blockquote { border-left-color: var(--accent); padding-left: 1rem; margin: 1.2rem 0 0; font-size: 0.92rem; }
.block-pull { margin: 3rem auto 0; max-width: 840px; text-align: center; border: none; padding: 0; }
.block-pull p { font-size: 1.05rem; font-style: italic; color: var(--text); }
.block-pull cite { display:block; margin-top:0.8rem; font-style:normal; color:var(--text-subtle); font-size:0.88rem; }

/* === Seth / Layers === */
.seth { background: var(--bg); }
.seth-intro { text-align:center; max-width: 760px; margin: 0 auto 4rem; }
.seth-intro h3 { font-size: 1.7rem; }
.seth-tagline { font-size: 0.85rem; color: var(--text-subtle); margin-bottom: 1rem; letter-spacing:0.02em; }
.seth-intro p { color: var(--text-muted); margin: 0.6rem 0; }
.layers-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.2rem; margin-top: 2.5rem;
}
.layer {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 2rem 1.4rem; text-align: center;
  opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease;
}
.layer.visible { opacity: 1; transform: translateY(0); }
.layer-icon {
  width: 3.2rem; height: 3.2rem; border-radius: 50%;
  background: var(--accent-dim); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.95rem; margin: 0 auto 1rem;
}
.layer h4 { margin-bottom: 0.3rem; }
.layer-cycle { font-size: 0.7rem; color: var(--text-subtle); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 0.6rem; }
.layer p { font-size: 0.9rem; }

.cta-block {
  text-align: center; margin-top: 4rem; padding: 2.5rem;
  background: var(--bg-elev); border-radius: var(--radius); border: 1px solid var(--border);
}
.cta-block p { margin-bottom: 1.2rem; }

/* === Vision === */
.vision { background: var(--bg-elev); }
.vision-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
@media (max-width:800px){ .vision-grid{grid-template-columns:1fr} }
.vision-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 2.2rem; }
.vision-card h3 { margin-bottom: 1.2rem; }
.vision-card p { margin-bottom: 0.8rem; }
.pillars { display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 1.2rem 0; }
.pillar {
  background: rgba(45,212,191,0.1); color: var(--accent);
  border: 1px solid rgba(45,212,191,0.22); border-radius: 2rem;
  padding: 0.4rem 1rem; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.02em;
}
.vision-body { margin-top: 1.2rem; }

/* === Story === */
.story { background: var(--bg); }
.story .center-text { max-width: 740px; margin: 0.6rem auto; }
.accent-text { color: var(--accent); margin-top: 2rem; font-weight: 600; }

/* === Research / Papers === */
.research { background: var(--bg-elev); }
.paper-list { display: flex; flex-direction: column; gap: 2.2rem; }
.paper {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 2rem 2.2rem; opacity:0; transform:translateY(20px); transition: opacity 0.55s ease, transform 0.55s ease;
}
.paper.visible { opacity:1; transform:translateY(0); }
.paper-meta { display:flex; gap:1rem; margin-bottom:0.7rem; }
.paper-date, .paper-read { font-size:0.78rem; color:var(--text-subtle); font-weight:600; letter-spacing:0.03em; }
.paper h3 { margin-bottom:0.6rem; }
.paper h3 a { color: var(--text); text-decoration:none; }
.paper h3 a:hover { color: var(--accent); }
.paper p { margin-bottom:1rem; }
.paper-link { font-weight:600; font-size:0.88rem; color: var(--accent); text-decoration:none; }
.paper-link:hover { text-decoration:underline; }

/* === Final CTA === */
.final-cta {
  background: var(--bg); text-align: center; padding: 6rem 0 7rem;
  border-top: 1px solid var(--border);
}
.final-cta p { max-width: 620px; margin: 1.2rem auto 2rem; }
.fineprint { font-size: 0.78rem; color: var(--text-subtle); margin-top: 1.2rem; }

/* === Footer === */
.site-footer {
  background: var(--bg-elev); border-top: 1px solid var(--border); padding: 3rem 0;
}
.site-footer .container {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 2rem;
}
.footer-logo { font-weight: 800; font-size: 1.1rem; margin-bottom: 0.5rem; }
.footer-brand p { font-size: 0.84rem; max-width: 420px; }
.footer-meta { margin-top: 1.2rem; font-size: 0.75rem; color: var(--text-subtle); }
.footer-status { margin-top: 0.2rem; }
@media (max-width:520px){
  .site-footer .container{flex-direction:column;}
}

/* === Blog article shared typography === */
.article-meta { display:flex; gap:1.2rem; flex-wrap:wrap; margin-bottom:2rem; }
.article-meta span { font-size:0.78rem; color:var(--text-subtle); font-weight:600; }
.prose h3 { margin-top:2.5rem; margin-bottom:1rem; color:var(--text); }
.prose h4 { margin-top:1.8rem; margin-bottom:0.6rem; color:var(--text-muted); font-weight:600; }
.prose p { margin-bottom:1.1rem; color:var(--text-muted); }
.prose ul, .prose ol { margin-left:1.4rem; margin-bottom:1.1rem; color:var(--text-muted); }
.prose li { margin-bottom:0.35rem; }
.prose a { color:var(--accent); text-decoration:none; }
.prose a:hover { text-decoration:underline; }
.prose blockquote { margin:1.6rem 0; padding-left:1.4rem; border-left:2px solid var(--accent); color:var(--text-muted); font-style:italic; }
.prose blockquote p { color:inherit; }
.prose pre {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1rem; overflow-x:auto; font-family: "SF Mono", Menlo, monospace; font-size:0.82rem;
  margin:1rem 0;
}
.prose code { font-family: "SF Mono", Menlo, monospace; font-size:0.85em; background:var(--bg-card); padding:0.15rem 0.4rem; border-radius:0.35rem; }
.prose hr { border: none; border-top: 1px solid var(--border); margin: 2rem 0; }
.prose table { width:100%; border-collapse:collapse; margin:1.2rem 0; font-size:0.9rem; }
.prose th, .prose td { padding:0.6rem 0.8rem; text-align:left; border-bottom:1px solid var(--border); }
.prose th { font-size:0.75rem; text-transform:uppercase; letter-spacing:0.06em; color:var(--text-subtle); }

/* Back link in blog */
.back-link { display:inline-flex; align-items:center; gap:0.4rem; font-size:0.85rem; color:var(--accent); text-decoration:none; margin-bottom:1.5rem; }
.back-link:hover { text-decoration:underline; }

.share-bar { display:flex; flex-wrap:wrap; gap:0.8rem; margin:2.5rem 0; padding:1rem 0; border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.share-bar a { font-size:0.8rem; color:var(--text-muted); text-decoration:none; padding:0.3rem 0.7rem; border:1px solid var(--border); border-radius:2rem; transition:all 0.2s; }
.share-bar a:hover { border-color:var(--accent); color:var(--accent); }
.share-bar .copy-btn { background:none; border:1px solid var(--border); color:var(--text-muted); padding:0.3rem 0.7rem; border-radius:2rem; cursor:pointer; font-size:0.8rem; transition:all 0.2s; }
.share-bar .copy-btn:hover { border-color:var(--accent); color:var(--accent); }

.series-nav { display:flex; gap:0.8rem; flex-wrap:wrap; margin-top:1rem; }
.series-nav a { font-size:0.78rem; color:var(--text-muted); text-decoration:none; padding:0.3rem 0.8rem; border:1px solid var(--border); border-radius:2rem; transition:all 0.2s; }
.series-nav a:hover, .series-nav a.active { border-color:var(--accent); color:var(--accent); }

.blog-footer { text-align:center; margin-top:3rem; padding-top:2rem; border-top:1px solid var(--border); }