/* ============================================================
   ACADOVIA — Site chrome (nav + footer + shared sections)
   ============================================================ */

/* ─── Top nav · liquid glass ─── */
.site-nav {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  width: calc(100% - 48px);
  max-width: 1280px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px 10px 22px;
  background: var(--glass-paper);
  -webkit-backdrop-filter: blur(22px) saturate(170%);
  backdrop-filter: blur(22px) saturate(170%);
  border: 1px solid var(--glass-line-2);
  border-radius: var(--r-pill);
  box-shadow: 0 1px 0 rgba(255,255,255,0.6) inset,
              0 8px 30px -12px rgba(21,16,31,0.18);
  transition: top var(--dur) var(--ease-out), background var(--dur) var(--ease-out);
}
.site-nav.scrolled {
  background: rgba(255,254,251,0.85);
}

.site-nav .logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.site-nav .logo .mark { width: 26px; height: 26px; }
.site-nav .logo .word { line-height: 1; padding-bottom: 2px; }

.site-nav nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.site-nav nav a {
  padding: 8px 14px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ash);
  border-radius: var(--r-pill);
  transition: background var(--dur) var(--ease-out), color var(--dur) var(--ease-out);
}
.site-nav nav a:hover { background: rgba(21,16,31,0.05); color: var(--ink); }
.site-nav nav a.active { color: var(--pine-deep); }

.site-nav .nav-cta {
  display: flex;
  gap: 8px;
  align-items: center;
}
.site-nav .nav-cta .btn {
  padding: 10px 18px;
  font-size: 14px;
}

@media (max-width: 880px) {
  .site-nav nav { display: none; }
}

/* ─── Section eyebrow header ─── */
.section-head {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 56px;
  max-width: 760px;
}
.section-head h2 {
  font-size: var(--t-h2);
}
.section-head p {
  font-size: var(--t-body-lg);
  color: var(--stone);
  max-width: 600px;
}

/* ─── Footer ─── */
.site-footer {
  position: relative;
  background: var(--ink);
  color: var(--cream);
  padding: 80px 0 32px;
  overflow: hidden;
  margin-top: 120px;
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 10% 10%, rgba(91,63,160,0.45), transparent 60%),
    radial-gradient(ellipse 50% 40% at 90% 80%, rgba(224,122,62,0.20), transparent 60%);
  pointer-events: none;
}
.site-footer .wrap { position: relative; }
.site-footer h3 {
  color: var(--cream);
  font-size: 48px;
  max-width: 720px;
  margin-bottom: 28px;
  font-family: var(--font-display);
  line-height: 1.05;
}
.site-footer h3 em { color: var(--saffron-soft); }
.site-footer .footer-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 70px; }
.site-footer .footer-cta .btn-primary { background: var(--saffron); color: var(--ink); }
.site-footer .footer-cta .btn-primary:hover { background: var(--saffron-deep); color: var(--paper); }
.site-footer .footer-cta .btn-ghost { color: var(--cream); border-color: rgba(255,255,255,0.2); }
.site-footer .footer-cta .btn-ghost:hover { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.4); }

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  padding-top: 48px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.footer-grid .col h4 {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--saffron-soft);
  margin: 0 0 16px 0;
}
.footer-grid .col a {
  display: block;
  font-size: 14.5px;
  color: rgba(250,246,238,0.7);
  padding: 5px 0;
  transition: color var(--dur) var(--ease-out);
}
.footer-grid .col a:hover { color: var(--cream); }
.footer-grid .brand-col p {
  color: rgba(250,246,238,0.6);
  font-size: 14px;
  margin-top: 14px;
  max-width: 280px;
}
.footer-grid .brand-col .logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 26px;
  color: var(--cream);
}

.footer-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  margin-top: 48px;
  border-top: 1px solid rgba(255,255,255,0.08);
  color: rgba(250,246,238,0.4);
  font-size: 13px;
}
.footer-meta .socials { display: flex; gap: 12px; }
.footer-meta .socials a {
  width: 32px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.12);
  color: rgba(250,246,238,0.7);
  transition: all var(--dur) var(--ease-out);
}
.footer-meta .socials a:hover { background: var(--saffron); color: var(--ink); border-color: var(--saffron); }

@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .site-footer h3 { font-size: 36px; }
}

/* ─── Page hero (used by inner pages) ─── */
.page-hero {
  position: relative;
  padding: 180px 0 80px;
  overflow: hidden;
}
.page-hero .blob { z-index: 0; }
.page-hero .wrap { position: relative; z-index: 1; }
.page-hero h1 {
  font-size: clamp(48px, 6vw, 88px);
  max-width: 880px;
  margin-bottom: 18px;
}
.page-hero p.lede {
  font-size: var(--t-body-lg);
  color: var(--slate);
  max-width: 560px;
  line-height: 1.55;
}