:root {
  color-scheme: dark;
  --bg: #07111f;
  --panel: rgba(16, 31, 51, 0.82);
  --text: #f4f7fb;
  --muted: #a8b5c7;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #70e1c3;
  font-family: Manrope, Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 78% 10%, rgba(69, 106, 255, 0.22), transparent 34rem),
    radial-gradient(circle at 20% 80%, rgba(45, 212, 191, 0.12), transparent 30rem),
    var(--bg);
  min-height: 100vh;
}
a { color: inherit; }
.shell { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 76px;
  border-bottom: 1px solid var(--line);
}
.brand { text-decoration: none; font-weight: 800; letter-spacing: .08em; }
.brand small { display: block; margin-top: 3px; color: var(--muted); font-size: .66rem; letter-spacing: .18em; }
.back { color: var(--muted); text-decoration: none; font-size: .9rem; }
.back:hover { color: var(--text); }
.hero { padding: 88px 0 52px; display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 64px; align-items: end; }
.code { color: var(--accent); font: 600 .76rem/1.4 "DM Mono", ui-monospace, monospace; letter-spacing: .16em; }
h1 { margin: 18px 0 22px; max-width: 850px; font-size: clamp(3rem, 8vw, 6.6rem); line-height: .92; letter-spacing: -.055em; }
.lead { margin: 0; max-width: 740px; color: #d8e0eb; font-size: clamp(1.08rem, 2vw, 1.35rem); line-height: 1.7; }
.status { padding: 24px; border: 1px solid var(--line); background: var(--panel); border-radius: 20px; }
.status span { display: block; color: var(--muted); font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; }
.status strong { display: block; margin-top: 9px; font-size: 1.2rem; }
.grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 22px; padding-bottom: 78px; }
.card { padding: clamp(25px, 4vw, 42px); border: 1px solid var(--line); border-radius: 24px; background: var(--panel); backdrop-filter: blur(16px); }
.card h2 { margin: 0 0 20px; font-size: 1.35rem; }
.card p, .card li { color: var(--muted); line-height: 1.75; }
.card ul { margin: 0; padding-left: 20px; }
.english { margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--line); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { display: inline-flex; align-items: center; gap: 10px; padding: 14px 18px; border-radius: 999px; text-decoration: none; font-weight: 750; }
.button.primary { background: var(--text); color: #07111f; }
.button.secondary { border: 1px solid var(--line); }
.directory { padding: 44px 0 86px; }
.directory h1 { font-size: clamp(2.8rem, 7vw, 6rem); }
.project-index { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 38px; }
.project-index article { padding: 26px; border: 1px solid var(--line); border-radius: 18px; background: var(--panel); }
.project-index a { text-decoration: none; }
.project-index h2 { margin: 10px 0; font-size: 1.35rem; }
.project-index p { margin: 0; color: var(--muted); line-height: 1.6; }
footer { display: flex; justify-content: space-between; gap: 20px; padding: 26px 0 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: .82rem; }
@media (max-width: 760px) {
  .shell { width: min(100% - 26px, 1120px); }
  .hero { grid-template-columns: 1fr; gap: 28px; padding-top: 58px; }
  .grid, .project-index { grid-template-columns: 1fr; }
  h1 { font-size: clamp(2.7rem, 16vw, 4.8rem); }
  footer { flex-direction: column; }
}