:root {
  --bg: #0b1020;
  --panel: #111831;
  --panel-2: #f7f9fc;
  --text: #e8edf7;
  --text-dark: #1f2937;
  --muted: #9aa5b8;
  --border: #26314f;
  --accent: #4f8cff;
  --accent-soft: #dbe8ff;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  background: #ffffff;
  color: var(--text-dark);
}
a { color: inherit; text-decoration: none; }
.container { width: min(1120px, calc(100% - 2rem)); margin: 0 auto; }
.narrow { width: min(780px, calc(100% - 2rem)); margin: 0 auto; }
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(11, 16, 32, 0.92); backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.nav-wrap {
  display: flex; justify-content: space-between; align-items: center;
  min-height: 72px; gap: 1rem;
}
.brand { color: white; font-weight: 800; letter-spacing: 0.02em; }
nav { display: flex; gap: 1rem; flex-wrap: wrap; }
nav a { color: #dbe3f3; font-size: 0.95rem; }
.hero {
  background: linear-gradient(180deg, #0b1020 0%, #111831 100%);
  color: var(--text);
  padding: 4.5rem 0 3rem;
}
.hero-grid {
  display: grid; grid-template-columns: 1.5fr 0.9fr; gap: 2rem; align-items: start;
}
.eyebrow, .section-label {
  text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.78rem; font-weight: 700;
  color: #9bbcff;
}
.hero h1 { font-size: clamp(2rem, 4vw, 3.5rem); line-height: 1.1; margin: 0.4rem 0 1rem; }
.lead { font-size: 1.08rem; color: #cad4e5; }
.hero-actions { display: flex; gap: 0.9rem; flex-wrap: wrap; margin: 1.4rem 0; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.85rem 1.1rem; border-radius: 999px; border: 1px solid rgba(255,255,255,0.18);
  color: white; font-weight: 600;
}
.btn-primary { background: var(--accent); border-color: var(--accent); }
.hero-highlights { padding-left: 1.2rem; color: #d5dceb; }
.hero-card {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 24px; padding: 1.3rem; box-shadow: var(--shadow);
}
.stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; margin-top: 1rem; }
.stat {
  background: rgba(255,255,255,0.06); padding: 1rem; border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.08);
}
.stat strong { display: block; font-size: 1.7rem; }
.section { padding: 4rem 0; }
.section.alt { background: var(--panel-2); }
.section-head {
  display: flex; justify-content: space-between; gap: 1rem; align-items: end; margin-bottom: 1.5rem;
}
.section h2 { font-size: clamp(1.7rem, 2.5vw, 2.4rem); margin: 0.3rem 0 1rem; }
.card-grid {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.2rem;
}
.card, .evidence-card, .stack-card, .contact-card {
  background: white; border: 1px solid #e5e7eb; border-radius: 22px; padding: 1.2rem; box-shadow: 0 8px 20px rgba(15, 23, 42, 0.04);
}
.card h3, .evidence-card h3, .stack-card h4 { margin-top: 0; }
.meta, .muted, .small { color: #6b7280; }
.small { font-size: 0.92rem; }
.tags { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.8rem; }
.tag {
  font-size: 0.78rem; background: var(--accent-soft); color: #1f4bb8;
  border-radius: 999px; padding: 0.35rem 0.65rem; font-weight: 600;
}
.card-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 1rem; }
.link-btn {
  display: inline-flex; padding: 0.65rem 0.9rem; border-radius: 12px;
  border: 1px solid #d1d5db; color: #111827; font-weight: 600;
}
.evidence-grid, .two-col {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.2rem;
}
.timeline, .stack { display: grid; gap: 1rem; }
.timeline-item, .stack-card { border-left: 4px solid var(--accent); }
.note { margin-top: 1rem; }
.search {
  min-width: 290px; max-width: 400px; width: 100%; padding: 0.95rem 1rem;
  border: 1px solid #d1d5db; border-radius: 14px; font: inherit;
}
.site-footer {
  background: var(--bg); color: var(--text); padding: 1.4rem 0;
}
.footer-wrap {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}
.hidden { display: none !important; }
code {
  background: #eef2ff; padding: 0.15rem 0.35rem; border-radius: 6px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
@media (max-width: 900px) {
  .hero-grid, .card-grid, .evidence-grid, .two-col { grid-template-columns: 1fr; }
  .section-head { align-items: stretch; flex-direction: column; }
}
@media (max-width: 680px) {
  nav { display: none; }
  .hero { padding-top: 3rem; }
}