/* tiboverse hub: Bento design. System fonts only, no external resources. */
:root {
  color-scheme: dark;
  --bg: #0F1115;
  --tile: #181B21;
  --line: #2A2F38;
  --line2: #3A404B;
  --ink: #F2F3F5;
  --muted: #A7ADB8;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.5 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 40px; }

header.site { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; padding: 28px 0 20px; }
.brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 700; font-size: 20px; letter-spacing: 0.1em; }
.brand .verse { color: #9A8CFF; }
.mail { color: var(--muted); font-size: 15px; }
.mail:hover { color: var(--ink); }

.grid { display: flex; flex-wrap: wrap; gap: 16px; padding-bottom: 40px; }
.tile { border: 1px solid var(--line); border-radius: 24px; background: var(--tile); transition: border-color .15s ease; }
.tile.cat:hover, .tile.card:hover { border-color: var(--ac); }

.hero {
  flex: 1 1 100%;
  background: #F2F3F5;
  color: #0F1115;
  border-color: #F2F3F5;
  padding: 28px 36px;
  display: flex; flex-wrap: wrap; gap: 20px 40px; align-items: center; justify-content: space-between;
}
.hero a:focus-visible { outline-color: #0F1115; }
.hero h1 { margin: 0; flex: 1 1 340px; font-size: clamp(40px, 5.5vw, 64px); line-height: 1; font-weight: 700; letter-spacing: -0.035em; }
.herotext { flex: 1 1 380px; max-width: 540px; display: flex; flex-wrap: wrap; gap: 16px 24px; align-items: center; justify-content: space-between; }
.herotext p { margin: 0; flex: 1 1 260px; font-size: 19px; line-height: 1.35; }
.btn { display: inline-flex; align-items: center; gap: 12px; min-height: 48px; padding: 0 8px 0 22px; border-radius: 999px; background: #0F1115; color: #F2F3F5; font-size: 16px; font-weight: 500; }
.btn:hover { background: #2A2F38; }
.btn .chip { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 50%; background: #F2F3F5; color: #0F1115; }

.cat { flex: 1 1 460px; min-height: 340px; padding: 28px; display: flex; flex-direction: column; gap: 16px; }
.illu svg { display: block; width: 100%; height: 110px; }
.titlerow { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.titlerow h2 { margin: 0; font-size: 36px; line-height: 1.05; font-weight: 700; letter-spacing: -0.02em; }
.go { display: inline-flex; flex: none; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 50%; background: var(--ac); color: #0F1115; }
.go:hover { filter: brightness(1.12); }
.desc { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.4; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; }
.pill { display: inline-flex; align-items: center; min-height: 44px; padding: 0 16px; border: 1px solid var(--line2); border-radius: 999px; font-size: 14px; }
.pill:hover { background: #242932; }

/* category pages */
.page { padding-bottom: 40px; }
.back { display: inline-flex; align-items: center; min-height: 44px; color: var(--muted); font-size: 15px; }
.back:hover { color: var(--ink); }
.page h1 { display: flex; align-items: center; gap: 14px; margin: 8px 0 8px; font-size: clamp(36px, 6vw, 56px); line-height: 1.05; letter-spacing: -0.03em; }
.dot { width: 22px; height: 22px; border-radius: 50%; background: var(--ac); flex: none; }
.lead { max-width: 38em; margin: 0 0 28px; font-size: 19px; line-height: 1.4; color: var(--muted); }
.cards { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.card > a, .card > div { display: block; height: 100%; padding: 24px; }
.card h2, .section h2 { margin: 0 0 6px; font-size: 24px; letter-spacing: -0.01em; }
.card p, .section p { margin: 0 0 12px; color: var(--muted); }
.chip { display: inline-block; margin: 0 0 12px; padding: 2px 12px; border: 1px solid var(--line2); border-radius: 999px; font-size: 13px; color: var(--muted); }
.url { font-size: 14px; color: var(--ink); text-decoration: underline; text-decoration-color: var(--ac); text-underline-offset: 4px; }
.section { padding: 24px; margin-bottom: 16px; }
.section p { margin: 0; }
.contact { margin: 24px 0 0; color: var(--muted); }
.contact a { color: var(--ink); text-decoration: underline; }

@media (prefers-reduced-motion: reduce) { .tile { transition: none; } }
@media (max-width: 640px) {
  .wrap { padding: 0 20px; }
  .hero { padding: 24px; }
  .cat { padding: 22px; min-height: 0; }
  .titlerow h2 { font-size: 30px; }
}