/* Brier Design — base
 * Reset, layout, and shared components. Depends on tokens.css. */

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--canvas);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
@keyframes fade-up {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.wrap { max-width: 760px; margin: 0 auto; padding: 0 24px; }

/* ── Header ── */
header.site {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(252, 253, 254, 0.85);
  border-bottom: 1px solid var(--border-soft);
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; padding: 14px 24px; }
.brand { display: flex; align-items: center; gap: 9px; text-decoration: none; color: var(--text-primary); }
.brand svg { width: 26px; height: 26px; }
.brand span { font-family: var(--font-display); font-size: 1.1rem; font-weight: 600; letter-spacing: -0.01em; }
.brand small { color: var(--text-tertiary); font-weight: 400; }
nav a { font-size: 0.82rem; color: var(--text-secondary); text-decoration: none; margin-left: 22px; transition: color 0.2s; }
nav a:hover { color: var(--accent); }

/* ── Hero ── */
.hero {
  padding: 96px 0 60px;
  background:
    radial-gradient(1100px 460px at 50% -8%, rgba(159, 196, 230, 0.20), transparent 60%),
    linear-gradient(180deg, #F9FCFE 0%, #F3F8FB 60%, #EEF4F8 100%);
  border-bottom: 1px solid var(--border-soft);
}
.eyebrow {
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 18px;
  animation: fade-up 0.7s ease-out;
}
h1 {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(2.2rem, 5vw, 3.4rem); line-height: 1.1; letter-spacing: -0.025em;
  margin-bottom: 22px; animation: fade-up 0.8s ease-out 0.05s both;
}
.lede {
  font-size: 1.18rem; color: var(--text-secondary); max-width: 620px;
  line-height: 1.6; animation: fade-up 0.8s ease-out 0.12s both;
}
.lede em { font-family: var(--font-editorial); font-style: italic; color: var(--text-primary); }
.status {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 26px; padding: 6px 13px;
  border: 1px solid var(--border-strong); border-radius: 999px; background: var(--paper);
  font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-tertiary); animation: fade-up 0.8s ease-out 0.2s both;
}
.status .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }

/* ── Sections ── */
section { padding: 56px 0; }
section + section { border-top: 1px solid var(--border-soft); }
h2 { font-family: var(--font-display); font-weight: 500; font-size: 1.5rem; letter-spacing: -0.01em; margin-bottom: 18px; }
p.body { font-size: 1.02rem; color: var(--text-secondary); margin-bottom: 16px; max-width: 640px; }
p.body strong { color: var(--text-primary); font-weight: 600; }

/* ── Lineage strip ── */
.lineage { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 8px; }
.lineage .step {
  font-family: var(--font-mono); font-size: 0.78rem; padding: 7px 13px;
  border: 1px solid var(--border-strong); border-radius: 999px; color: var(--text-tertiary); background: var(--paper);
}
.lineage .step.now { color: var(--accent); border-color: var(--accent); background: var(--accent-subtle); font-weight: 500; }
.lineage .arrow { color: var(--border-strong); font-size: 0.9rem; }

/* ── Cards: programs (institute) + pillars (almanac) ── */
.programs { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 8px; }
.pillars { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; margin-top: 8px; }
@media (max-width: 768px) { .programs, .pillars { grid-template-columns: 1fr; } }
.program, .pillar {
  display: block; text-decoration: none; color: inherit;
  border: 1px solid var(--border-soft); border-radius: 14px; padding: 22px;
  background: var(--paper); transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.program:hover { border-color: var(--border-strong); transform: translateY(-2px); box-shadow: 0 10px 30px rgba(20, 32, 43, 0.06); }
.ptag { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--horizon-700); margin-bottom: 9px; }
.program h3, .pillar h3 { font-family: var(--font-display); font-size: 1.15rem; font-weight: 500; margin-bottom: 7px; letter-spacing: -0.01em; }
.program h3 .ext, .pillar h3 .ext { color: var(--accent); font-size: 0.8rem; vertical-align: middle; }
.program p, .pillar p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.55; }
.program.flag { grid-column: 1 / -1; border-color: var(--accent); background: linear-gradient(180deg, #FFFFFF, #FDF6FA); }

/* ── CTA ── */
.cta {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 8px;
  padding: 13px 26px; border-radius: 10px; background: var(--text-primary);
  color: var(--paper); text-decoration: none; font-size: 0.9rem; font-weight: 500;
  transition: background 0.2s, transform 0.2s;
}
.cta:hover { background: var(--accent); transform: translateY(-1px); }

/* ── Footer ── */
footer.site { border-top: 1px solid var(--border-soft); padding: 40px 0 64px; color: var(--text-tertiary); font-size: 0.85rem; }
footer.site a { color: var(--text-secondary); text-decoration: none; }
footer.site a:hover { color: var(--accent); }
footer.site .row { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 10px; }