:root {
  --paper: #f6f1e8;
  --ink: #0c1626;
  --mute: #5b6475;
  --accent: #d1493f;
  --accent-2: #1f4fd5;
  --line: rgba(12, 22, 38, 0.12);
  --surface: #ffffff;
  --shadow: 0 14px 50px rgba(12, 22, 38, 0.12);
  --radius: 18px;
  --mono: 'IBM Plex Mono', 'Space Grotesk', monospace;
  --sans: 'Zen Kaku Gothic Antique', 'Space Grotesk', system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  background-image:
    linear-gradient(90deg, rgba(12,22,38,0.04) 1px, transparent 1px),
    linear-gradient(0deg, rgba(12,22,38,0.04) 1px, transparent 1px),
    radial-gradient(circle at 18% 22%, rgba(209,73,63,0.08) 0 180px, transparent 180px),
    radial-gradient(circle at 88% 12%, rgba(31,79,213,0.07) 0 160px, transparent 160px);
  background-size: 34px 34px, 34px 34px, 100% 100%, 100% 100%;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; border-radius: 14px; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 20px; }
main, header, section, footer { width: 100%; }

.nav-shell {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(246,241,232,0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.navbar { display: flex; align-items: center; justify-content: space-between; padding: 16px 0; gap: 12px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: -0.01em; }
.logo {
  width: 48px; height: 48px; border-radius: 16px;
  background: linear-gradient(135deg, #0f1c36, #1f4fd5);
  color: #fff; display: grid; place-items: center;
  font-weight: 800; font-size: 18px;
  box-shadow: inset 0 0 0 3px rgba(255,255,255,0.12);
}
.nav-links { display: flex; align-items: center; gap: 14px; font-weight: 650; color: var(--mute); font-size: 14px; }
.nav-links a { padding: 10px 12px; border-radius: 12px; transition: all .2s ease; }
.nav-links a:hover { background: rgba(209,73,63,0.08); color: var(--ink); }
.menu-toggle { display: none; border:1px solid var(--line); background: var(--surface); padding: 10px 12px; border-radius: 12px; }

.btn { display: inline-flex; align-items: center; gap: 10px; padding: 12px 18px; border-radius: 14px; border: 1px solid transparent; font-weight: 750; cursor: pointer; transition: all .2s ease; }
.btn-primary { background: var(--accent-2); color: #fff; box-shadow: 0 18px 40px rgba(31,79,213,0.22); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 20px 46px rgba(31,79,213,0.28); }
.btn-ghost { background: transparent; border-color: rgba(12,22,38,0.2); color: var(--ink); }
.btn-line { background: #fff; border:1px dashed rgba(12,22,38,0.3); color: var(--ink); }

.hero { padding: 70px 0 54px; display: grid; grid-template-columns: repeat(auto-fit,minmax(320px,1fr)); gap: 26px; align-items: center; }
.eyebrow { letter-spacing: 0.12em; font-weight: 800; font-size: 12px; color: var(--accent); text-transform: uppercase; }
.hero h1 { font-size: 46px; line-height: 1.1; margin: 12px 0; letter-spacing: -0.02em; }
.hero p.lead { color: var(--mute); font-size: 17px; max-width: 620px; }
.hero-panel { background: var(--surface); padding: 20px; border-radius: var(--radius); border: 1px solid var(--line); box-shadow: var(--shadow); }

.section { padding: 68px 0; position: relative; }
.section .lead { color: var(--mute); max-width: 780px; }
.h2 { font-size: 30px; margin: 0 0 8px; letter-spacing: -0.01em; }

.grid { display: grid; gap: 16px; }
.columns-3 { grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); }
.columns-2 { grid-template-columns: repeat(auto-fit, minmax(320px,1fr)); }
.columns-4 { grid-template-columns: repeat(auto-fit, minmax(200px,1fr)); }

.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; box-shadow: 0 12px 32px rgba(12,22,38,0.06); }
.panel h3 { margin: 0 0 6px; font-size: 18px; }
.panel p { margin: 0; color: var(--mute); }
.panel .tag { display: inline-flex; align-items: center; gap: 6px; padding: 6px 10px; border-radius: 10px; background: rgba(209,73,63,0.08); color: var(--accent); font-weight: 700; font-size: 12px; }

.rail { position: relative; overflow: hidden; border-radius: var(--radius); border:1px solid var(--line); background: linear-gradient(120deg, rgba(255,255,255,0.9), rgba(255,255,255,0.86)); box-shadow: 0 14px 40px rgba(12,22,38,0.08); }
.rail::before { content:""; position:absolute; inset:0; background: repeating-linear-gradient(90deg, rgba(12,22,38,0.04) 0 1px, transparent 1px 28px), repeating-linear-gradient(0deg, rgba(12,22,38,0.03) 0 1px, transparent 1px 26px); pointer-events:none; }
.rail-content { position: relative; padding: 24px; display: grid; gap: 12px; }

.stamp { display:inline-flex; align-items:center; gap:8px; padding:7px 12px; border-radius:999px; border:1px solid rgba(209,73,63,0.5); color: var(--accent); background: rgba(209,73,63,0.06); font-weight:800; font-size:12px; letter-spacing:0.04em; }
.kpi { display:flex; gap:12px; align-items:center; padding:12px 14px; border-radius:12px; background:#0f1c36; color:#e9edf7; }
.kpi strong { font-size:22px; }

.stack { display: flex; flex-direction: column; gap: 10px; }
.badge-row { display:flex; gap:10px; flex-wrap:wrap; }
.list-inline { display:flex; gap:8px; flex-wrap:wrap; font-size:13px; color: var(--mute); }
.list-inline span { padding:6px 10px; border-radius:10px; background: rgba(12,22,38,0.06); }

.table { width: 100%; border-collapse: collapse; border:1px solid var(--line); }
.table th, .table td { padding: 12px 10px; border:1px solid var(--line); text-align:left; font-size: 14px; }
.table th { background: rgba(12,22,38,0.06); font-weight:800; }

.footer { background: #0b1327; color: #d6deee; padding: 40px 0 48px; margin-top: 64px; }
.footer a { color: #d6deee; }
.footer .grid { grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); }

.highlight { background: linear-gradient(120deg, rgba(31,79,213,0.12), rgba(209,73,63,0.1)); border-radius: 12px; padding: 4px 8px; }

[data-animate="rise"] { opacity:0; transform: translateY(12px); animation: rise 0.6s ease forwards; }
[data-animate="fade"] { opacity:0; animation: fadeIn 0.7s ease forwards; }
@keyframes rise { to { opacity:1; transform: translateY(0); } }
@keyframes fadeIn { to { opacity:1; } }

@media (max-width: 960px) {
  .nav-links { display: none; }
  .menu-toggle { display: inline-flex; }
  .mobile-open .nav-links { position: absolute; inset: 58px 12px auto 12px; display: grid; gap: 10px; background: var(--surface); border:1px solid var(--line); border-radius: 14px; padding: 12px; box-shadow: var(--shadow); }
}
@media (max-width: 720px) {
  .hero { padding-top: 54px; }
  .hero h1 { font-size: 34px; }
  .container { padding: 0 16px; }
}