/* ========================================================
   Offermate AI — Shared site chrome (header, footer, nav)
   ======================================================== */

/* ---- Header ---- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--color-line);
}
.site-header .row-inner {
  display: flex; align-items: center; height: var(--header-h);
  gap: 32px;
}
.brand {
  display: flex; align-items: center; gap: 8px;
  font-weight: 800; font-size: 17px; letter-spacing: -0.02em;
  color: var(--color-text);
}
.brand-mark {
  width: 26px; height: 26px;
  border-radius: 7px;
  background: var(--color-bg-invert);
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-family: var(--font-en); font-weight: 800; font-size: 13px;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}
.brand-mark .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--color-primary); margin-left: 2px; }

.main-nav { display: flex; align-items: center; gap: 4px; }
.nav-item {
  display: inline-flex; align-items: center;
  height: 36px; padding: 0 12px; border-radius: 6px;
  color: var(--color-text-sub); font-size: 14px; font-weight: 500;
  transition: background 0.15s, color 0.15s;
}
.nav-item:hover { background: var(--color-bg-soft); color: var(--color-text); }
.nav-item.active { color: var(--color-text); font-weight: 600; }
.nav-item .ko { }
.nav-item .en {
  font-family: var(--font-en); font-size: 11px; color: var(--color-text-dim);
  margin-left: 6px; font-weight: 500;
}

/* Hide EN labels below 1180px so the 6-item nav fits in narrower viewports */
@media (max-width: 1180px) {
  .nav-item .en { display: none; }
  .nav-item { padding: 0 10px; }
  .site-header .row-inner { gap: 20px; }
}
@media (max-width: 960px) {
  .nav-item { padding: 0 8px; font-size: 13px; }
  .site-header .row-inner { gap: 12px; }
  .header-right .btn-ghost { display: none; }
}

.nav-spacer { flex: 1; }
.header-right { display: flex; align-items: center; gap: 8px; }

/* ---- Footer ---- */
.site-footer {
  background: var(--color-bg-soft);
  border-top: 1px solid var(--color-line);
  padding: 64px 0 32px;
  color: var(--color-text-sub);
  font-size: 13px; line-height: 1.7;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand .brand { margin-bottom: 16px; }
.footer-brand p {
  color: var(--color-text-muted); font-size: 13px; line-height: 1.6; max-width: 280px;
}
.footer-col h6 {
  font-size: 12px; font-weight: 700; color: var(--color-text);
  letter-spacing: 0.04em; text-transform: uppercase;
  font-family: var(--font-en);
  margin-bottom: 14px;
}
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul a { color: var(--color-text-muted); }
.footer-col ul a:hover { color: var(--color-text); }

.footer-meta {
  border-top: 1px solid var(--color-line);
  padding-top: 24px;
  display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap;
  font-size: 12px; color: var(--color-text-muted);
}
.footer-meta .legal { line-height: 1.7; }

/* ---- Page intro pattern (subpages) ---- */
.page-intro {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--color-line);
}
.page-intro .crumbs {
  font-family: var(--font-en); font-size: 12px;
  color: var(--color-text-muted); letter-spacing: 0.04em;
  margin-bottom: 16px;
}
.page-intro h1 {
  font-size: var(--fs-48); line-height: 1.15;
  font-weight: 700; letter-spacing: -0.03em;
  margin-bottom: 12px;
}
.page-intro .lead {
  font-size: var(--fs-16); color: var(--color-text-muted);
  max-width: 720px; line-height: 1.6;
}