/* ai100x public pages — static, crawler-friendly. Mirrors LandingPage look. */
:root {
  --ink: #0f172a;
  --muted: #475569;
  --faint: #64748b;
  --line: rgba(15, 23, 42, 0.08);
  --glass: rgba(255, 255, 255, 0.62);
  --grad: linear-gradient(90deg, #2563eb, #6366f1, #14b8a6);
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  color: var(--ink);
  font-family: "Pretendard Variable", Pretendard, Inter, system-ui, sans-serif;
  line-height: 1.7;
  background:
    radial-gradient(60rem 40rem at 10% -10%, rgba(37, 99, 235, 0.14), transparent 60%),
    radial-gradient(50rem 36rem at 100% 0%, rgba(20, 184, 166, 0.14), transparent 60%),
    radial-gradient(40rem 30rem at 50% 110%, rgba(99, 102, 241, 0.10), transparent 60%),
    #f8fafc;
  min-height: 100vh;
}
a { color: #2563eb; }

/* language toggle: both languages ship in the HTML; CSS shows one */
html[data-lang="ko"] body { word-break: keep-all; overflow-wrap: anywhere; }
html[data-lang="ko"] [data-l="en"],
html[data-lang="en"] [data-l="ko"] { display: none !important; }

.wrap { max-width: 64rem; margin: 0 auto; padding: 0 16px; }
header.top { position: sticky; top: 0; z-index: 10; padding-top: 16px; }
nav.bar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 16px; border-radius: 1rem;
  background: var(--glass); border: 1px solid rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(18px) saturate(1.5); -webkit-backdrop-filter: blur(18px) saturate(1.5);
  box-shadow: 0 24px 70px -30px rgba(56, 89, 150, 0.4);
}
.brand { font-weight: 800; font-size: 1.25rem; letter-spacing: -0.02em; text-decoration: none;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.links { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; justify-content: flex-end; }
.links a { color: var(--muted); text-decoration: none; font-size: 0.875rem; font-weight: 600;
  padding: 6px 10px; border-radius: 999px; }
.links a:hover, .links a[aria-current="page"] { color: var(--ink); background: rgba(255, 255, 255, 0.7); }
.lang { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden;
  background: #fff; margin-left: 4px; }
.lang button { font: inherit; font-size: 0.75rem; font-weight: 700; border: 0; background: transparent;
  color: var(--faint); padding: 5px 10px; cursor: pointer; }
html[data-lang="ko"] .lang button[data-set="ko"],
html[data-lang="en"] .lang button[data-set="en"] { background: var(--grad); color: #fff; }
@media (max-width: 720px) {
  nav.bar { flex-direction: column; align-items: stretch; }
  .links { justify-content: flex-start; }
}

main.wrap { padding-top: 56px; padding-bottom: 64px; }
.eyebrow { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint); }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); line-height: 1.12; letter-spacing: -0.03em; margin: 12px 0 16px; font-weight: 800; }
h1 .g { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
h2 { font-size: 1.5rem; letter-spacing: -0.02em; margin: 56px 0 12px; }
h3 { font-size: 1.05rem; margin: 0 0 6px; }
p.lead { font-size: 1.125rem; color: var(--muted); max-width: 46rem; }
p, li { color: var(--muted); }
section > p { max-width: 46rem; }

.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr)); margin-top: 20px; }
.card { background: var(--glass); border: 1px solid rgba(255, 255, 255, 0.75); border-radius: 1.25rem; padding: 20px;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 18px 50px -28px rgba(56, 89, 150, 0.45); }
.card p { margin: 0; font-size: 0.95rem; }
.avatar { width: 48px; height: 48px; border-radius: 16px; display: grid; place-items: center; margin-bottom: 12px;
  font-weight: 800; font-size: 1.25rem; color: #fff; background: var(--grad); }
.role { font-size: 0.8rem; font-weight: 700; color: #4f46e5; margin-bottom: 8px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; list-style: none; }
.chips li { background: var(--glass); border: 1px solid rgba(255, 255, 255, 0.75); border-radius: 999px;
  padding: 4px 12px; font-size: 0.85rem; font-weight: 600; }

table { width: 100%; border-collapse: collapse; margin-top: 16px; font-size: 0.92rem; background: var(--glass);
  border-radius: 1rem; overflow: hidden; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--line); color: var(--muted); }
th { color: var(--ink); font-weight: 700; background: rgba(255, 255, 255, 0.6); }
.table-scroll { overflow-x: auto; }

details { background: var(--glass); border: 1px solid rgba(255, 255, 255, 0.75); border-radius: 1rem;
  padding: 14px 18px; margin-top: 12px; }
summary { cursor: pointer; font-weight: 700; color: var(--ink); }
details p { margin: 10px 0 0; }

.cta { display: inline-block; margin-top: 12px; padding: 12px 22px; border-radius: 999px; color: #fff;
  font-weight: 700; text-decoration: none; background: var(--grad);
  box-shadow: 0 10px 30px -10px rgba(37, 99, 235, 0.55); }
.note { font-size: 0.85rem; color: var(--faint); }

footer.foot { border-top: 1px solid var(--line); padding: 24px 0 40px; font-size: 0.85rem; color: var(--faint); }
footer.foot a { color: var(--muted); margin-right: 14px; text-decoration: none; }