/* ==========================================================================
   IGS Theme — layout.css
   Page scaffold: utility bar, header, regions, grid, footer
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--sp-5);
}
.container--narrow { max-width: var(--maxw-narrow); }

.section { padding-block: var(--sp-8); }
.section--tight { padding-block: var(--sp-7); }
.band-paper { background: var(--igs-paper-2); }
.band-maroon { background: var(--igs-maroon-900); color: #f3e9ee; }
.band-tint   { background: var(--igs-maroon-tint); }

/* ---- Utility bar (thin, above header) ---- */
.util-bar {
  background: var(--igs-maroon-900);
  color: #d9c6d0;
  font-size: .8rem;
}
.util-bar .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 38px; gap: var(--sp-4); white-space: nowrap;
}
.util-bar .badge { white-space: nowrap; }
.util-bar a { color: #e7d7df; }
.util-bar a:hover { color: #fff; }
.util-left { display: flex; align-items: center; gap: var(--sp-4); }
.util-left .dot { color: var(--igs-gold-300); }
.util-right { display: flex; align-items: center; gap: var(--sp-4); }
.lang-switch { display: flex; align-items: center; gap: var(--sp-2); }
.lang-switch a {
  padding: 2px 7px; border-radius: var(--r-sm); font-weight: 500;
}
.lang-switch a.is-active { background: rgba(255,255,255,.12); color: #fff; }

/* ---- Header ---- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.94);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--igs-line);
}
.site-header .container {
  display: flex; align-items: center; gap: var(--sp-5);
  min-height: var(--header-h);
}
.site-logo { display: flex; align-items: center; flex: 0 0 auto; }
.site-logo img { height: 48px; width: auto; }

.main-nav { margin-left: var(--sp-2); }
.main-nav ul { display: flex; align-items: center; gap: 2px; list-style: none; }
.main-nav a {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 14px; border-radius: var(--r-sm);
  font-weight: 500; font-size: .98rem; color: var(--igs-ink);
  transition: background .15s, color .15s;
}
.main-nav a:hover { background: var(--igs-maroon-tint); color: var(--igs-maroon); }
.main-nav a.is-active { color: var(--igs-maroon); }
.main-nav .caret { font-size: .7rem; opacity: .55; }

.header-tools { margin-left: auto; display: flex; align-items: center; gap: var(--sp-3); }
.icon-btn {
  width: 42px; height: 42px; border-radius: var(--r-sm);
  border: 1px solid var(--igs-line); background: #fff;
  display: grid; place-items: center; color: var(--igs-ink-2);
  transition: border-color .15s, color .15s;
}
.icon-btn:hover { border-color: var(--igs-maroon); color: var(--igs-maroon); }

.nav-toggle { display: none; }

/* ---- Generic region/grid helpers ---- */
.grid { display: grid; gap: var(--sp-5); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-12 { grid-template-columns: repeat(12, 1fr); }

.layout-main {
  display: grid;
  grid-template-columns: minmax(0,1fr) 340px;
  gap: var(--sp-7);
  align-items: start;
}
.sidebar { display: flex; flex-direction: column; gap: var(--sp-5); position: sticky; top: calc(var(--header-h) + 16px); }

/* section heading row */
.section-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: var(--sp-4); margin-bottom: var(--sp-6);
}
.section-head h2 { margin: 0; }
.section-head p { margin: 6px 0 0; color: var(--igs-ink-2); }
.section-head .link-more {
  font-weight: 600; font-size: .95rem; white-space: nowrap;
  display: inline-flex; align-items: center; gap: 6px; color: var(--igs-maroon);
}
.section-head .link-more:hover { gap: 9px; }

/* ---- Footer ---- */
.site-footer {
  background: var(--igs-maroon-900);
  color: #d3c2cc;
  padding-block: var(--sp-8) var(--sp-6);
  margin-top: var(--sp-8);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(4, 1fr);
  gap: var(--sp-6);
}
.footer-brand img { height: 60px; margin-bottom: var(--sp-4); /*filter: brightness(0) invert(1);*/ opacity: .92; }
.footer-brand p { color: #b8a3af; font-size: .92rem; max-width: 30ch; }
.footer-col h5 {
  font-family: var(--igs-sans); font-size: .8rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--igs-gold-300); margin: 0 0 var(--sp-4);
  font-weight: 700;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: #cdbac4; font-size: .94rem; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  margin-top: var(--sp-7); padding-top: var(--sp-5);
  border-top: 1px solid rgba(255,255,255,.1);
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-4); font-size: .85rem; color: #a892a0;
}
.footer-bottom .legal { display: flex; gap: var(--sp-4); flex-wrap: wrap; }

.disclaimer-strip {
  background: var(--igs-maroon-700); color: #e6d4dd;
  font-size: .82rem; line-height: 1.5; padding-block: var(--sp-4);
}
.disclaimer-strip .container { display: flex; gap: var(--sp-3); align-items: flex-start; }

/* ---- Responsive ---- */
@media (max-width: 1040px) {
  .layout-main { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 880px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .main-nav, .header-tools .desktop-only { display: none; }
  .nav-toggle { display: grid; }
  .util-left .hide-sm { display: none; }
}
@media (max-width: 560px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .section { padding-block: var(--sp-7); }
  .container { padding-inline: var(--sp-4); }
}