/* SoftSync-AI brand system — tokens lifted from the Clearer Training Growth Deck.
   Used by the demo hub + all demo tool pages. Brand-alike client pages override
   accents with their own palette but inherit layout primitives. */
:root {
  --ink: #10203a;
  --blue: #3f93d1;
  --blue-deep: #27577e;
  --blue-soft: #9cc0d8;
  --blue-tint: #eaf3fa;
  --bg-2: #f3f8fc;
  --good: #2f9e74;
  --warn: #d97706;
  --muted: #6b7c93;
  --line: #e3edf5;
  --grad-deep: linear-gradient(150deg, #27577e, #1a3a59, #0f2138);
  --ct-orange: #eb5f1d;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(16, 32, 58, .08);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', system-ui, sans-serif; color: var(--ink); background: var(--bg-2); line-height: 1.55; -webkit-font-smoothing: antialiased; }
.serif { font-family: 'Instrument Serif', serif; font-style: italic; font-weight: 400; }

/* ── layout ── */
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.page-head { background: var(--grad-deep); color: #fff; padding: 44px 0 36px; position: relative; overflow: hidden; }
.page-head::after { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(156,192,216,.14) 1px, transparent 1px); background-size: 22px 22px; pointer-events: none; }
.page-head .wrap { position: relative; z-index: 1; }
.page-head .crumb { font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--blue-soft); margin-bottom: 10px; }
.page-head .crumb a { color: var(--blue-soft); text-decoration: none; }
.page-head .crumb a:hover { color: #fff; }
.page-head h1 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); font-weight: 800; line-height: 1.15; }
.page-head h1 .serif { color: var(--blue-soft); }
.page-head p.sub { color: rgba(255,255,255,.78); max-width: 640px; margin-top: 10px; font-size: .98rem; }
main.wrap { padding: 36px 24px 64px; }

/* ── cards ── */
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; }
.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

/* ── buttons / badges ── */
.btn { display: inline-flex; align-items: center; gap: 8px; background: var(--blue); color: #fff; border: none; border-radius: 28px; padding: 11px 24px; font-family: inherit; font-size: .92rem; font-weight: 700; cursor: pointer; text-decoration: none; transition: transform .18s, box-shadow .18s, background .18s; }
.btn:hover { transform: translateY(-1px); box-shadow: 0 8px 22px rgba(63,147,209,.35); }
.btn.deep { background: var(--blue-deep); }
.btn.ghost { background: #fff; color: var(--blue-deep); border: 1.5px solid var(--blue-soft); }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; box-shadow: none; }
.badge { display: inline-flex; align-items: center; gap: 6px; font-size: .72rem; font-weight: 700; letter-spacing: .04em; padding: 4px 12px; border-radius: 20px; }
.badge.live { background: #e7f6ef; color: var(--good); }
.badge.sim { background: #fdf2e7; color: var(--warn); }
.badge.info { background: var(--blue-tint); color: var(--blue-deep); }

/* ── tables ── */
table.data { width: 100%; border-collapse: collapse; font-size: .9rem; }
table.data th { text-align: left; font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); padding: 10px 12px; border-bottom: 2px solid var(--line); }
table.data td { padding: 12px; border-bottom: 1px solid var(--line); vertical-align: middle; }
table.data tr:last-child td { border-bottom: none; }
table.data tr:hover td { background: var(--blue-tint); }

/* ── demo ribbon (injected by demo-frame.js on brand-alike pages) ── */
.ss-ribbon { position: sticky; top: 0; z-index: 9000; background: var(--blue-deep); color: #fff; font-family: 'Inter', system-ui, sans-serif; font-size: .78rem; display: flex; align-items: center; justify-content: center; gap: 14px; padding: 8px 16px; box-shadow: 0 2px 12px rgba(16,32,58,.25); }
.ss-ribbon strong { letter-spacing: .08em; }
.ss-ribbon a { color: var(--blue-soft); text-decoration: none; font-weight: 600; }
.ss-ribbon a:hover { color: #fff; }
.ss-ribbon .dot { width: 7px; height: 7px; border-radius: 50%; background: #42d392; animation: ribbonPulse 2s infinite; }
@keyframes ribbonPulse { 0%,100% { opacity: 1 } 50% { opacity: .4 } }

/* ── footer ── */
.ss-foot { border-top: 1px solid var(--line); background: #fff; padding: 22px 0; margin-top: 24px; }
.ss-foot .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: .8rem; color: var(--muted); }
.ss-foot img { height: 26px; }
.ss-foot a { color: var(--blue-deep); text-decoration: none; font-weight: 600; }

/* ── stat strip ── */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; }
.stat .n { font-size: 1.7rem; font-weight: 800; color: var(--blue-deep); line-height: 1.1; }
.stat .l { font-size: .78rem; color: var(--muted); margin-top: 4px; }

@media (max-width: 640px) {
  .page-head { padding: 32px 0 26px; }
  main.wrap { padding: 24px 16px 48px; }
  .card { padding: 18px; }
}