:root {
  --bg: #06070a;
  --panel: #0d1017;
  --line: rgba(255, 255, 255, 0.1);
  --text: #f2f4f8;
  --muted: #8b93a4;
  --blue: #096ef9;
  --blue-soft: #4d9bff;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue-soft); }

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header {
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: rgba(6, 7, 10, 0.85);
  backdrop-filter: blur(10px);
  z-index: 10;
}

.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  flex-wrap: wrap;
}

.mark {
  font-weight: 800;
  letter-spacing: 0.14em;
  font-size: 15px;
  text-decoration: none;
  color: var(--text);
}

nav {
  display: flex;
  gap: 20px;
  font-size: 14px;
}

nav a {
  color: var(--muted);
  text-decoration: none;
}

nav a:hover, nav a[aria-current="page"] { color: var(--text); }

/* Hero */
.hero { padding: 72px 0 56px; }

h1 {
  font-size: clamp(44px, 12vw, 76px);
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  font-weight: 800;
}

.tagline {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--blue-soft);
  font-size: 14px;
  letter-spacing: 0.08em;
  margin: 0 0 28px;
}

.lede {
  font-size: 19px;
  color: var(--muted);
  max-width: 54ch;
  margin: 0 0 32px;
}

.lede strong { color: var(--text); font-weight: 600; }

/* Buttons */
.btn {
  display: inline-block;
  background: var(--blue);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 999px;
}

.btn:hover { background: #2a82ff; }

.btn-note {
  display: block;
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted);
}

/* Sections */
section { padding: 44px 0; border-top: 1px solid var(--line); }

h2 {
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  margin: 0 0 24px;
}

h3 { font-size: 18px; margin: 0 0 6px; }

.criteria { display: grid; gap: 20px; }

@media (min-width: 620px) {
  .criteria { grid-template-columns: 1fr 1fr; }
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
}

.card p { margin: 0; color: var(--muted); font-size: 15px; }

ol.steps { margin: 0; padding-left: 22px; color: var(--muted); }
ol.steps li { margin-bottom: 10px; }
ol.steps strong { color: var(--text); }

/* Genre list */
.genres { display: grid; gap: 14px; }

.genre {
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--blue);
  border-radius: 12px;
  padding: 18px 20px;
}

.genre p { margin: 0; color: var(--muted); font-size: 15px; }

.genre .locked {
  display: inline-block;
  margin-top: 8px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  color: var(--blue-soft);
}

/* Footer */
footer {
  border-top: 1px solid var(--line);
  padding: 36px 0 56px;
  color: var(--muted);
  font-size: 14px;
}

.flinks { display: flex; flex-wrap: wrap; gap: 18px; margin-bottom: 18px; }
.flinks a { color: var(--muted); text-decoration: none; }
.flinks a:hover { color: var(--text); }
.copyright { font-size: 13px; opacity: 0.7; }