/* ==========================================================================
   Header, primary nav, footer, shared grid scaffolding
   ========================================================================== */

/* ---- Header ---- */
.site-header {
  background: var(--savanna-ink);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header__bar {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-2) var(--space-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.site-logo__mark {
  background: var(--white);
  border-radius: var(--radius);
  padding: 4px 10px;
  display: inline-flex;
  align-items: center;
}

.site-logo__mark img {
  height: 34px;
  width: auto;
  display: block;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.primary-nav__list {
  display: flex;
  list-style: none;
  gap: var(--space-3);
  align-items: center;
}

.primary-nav__list a,
.primary-nav__list span {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--white);
  padding: var(--space-1) 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.primary-nav__list a:hover,
.primary-nav__list a[aria-current="page"] {
  color: var(--maize-gold);
  border-bottom-color: var(--maize-gold);
}

.primary-nav__list .is-disabled {
  color: rgba(255,255,255,0.35);
  cursor: default;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: var(--radius);
  color: var(--white);
  padding: 8px 10px;
  font-size: 0.85rem;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }
  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--savanna-ink);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-2) var(--space-3) var(--space-3);
    display: none;
    border-top: 1px solid rgba(255,255,255,0.12);
  }
  .primary-nav.is-open {
    display: flex;
  }
  .primary-nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
    width: 100%;
  }
}

/* ---- Footer ---- */
.site-footer {
  background: var(--savanna-ink);
  color: rgba(255,255,255,0.85);
  padding: var(--space-5) 0 var(--space-3);
  margin-top: var(--space-6);
}

.site-footer__top {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid rgba(255,255,255,0.15);
}

@media (max-width: 800px) {
  .site-footer__top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 520px) {
  .site-footer__top {
    grid-template-columns: 1fr;
  }
}

.site-footer h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--maize-gold);
  margin-bottom: var(--space-2);
}

.site-footer p,
.site-footer address {
  font-style: normal;
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.75);
  margin: 0 0 var(--space-1);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.footer-links a,
.footer-links span {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.85);
}

.footer-links a:hover {
  color: var(--maize-gold);
}

.footer-links .is-disabled {
  display: inline-block;
  color: rgba(255,255,255,0.4);
}

.footer-links .is-disabled::after {
  content: " (coming soon)";
  font-size: 0.75rem;
  font-family: var(--font-mono);
}

.site-footer__partners {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  flex-wrap: wrap;
}

.site-footer__partners img {
  height: 32px;
  width: auto;
  background: var(--white);
  border-radius: var(--radius);
  padding: 4px 8px;
}

.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding-top: var(--space-3);
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
}

.site-footer__bottom .footer-links {
  flex-direction: row;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.site-footer__bottom .footer-links a {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
}

/* ---- Shared grids ---- */
.grid {
  display: grid;
  gap: var(--space-3);
}

.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--5 { grid-template-columns: repeat(5, 1fr); }

@media (max-width: 980px) {
  .grid--4, .grid--5 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 720px) {
  .grid--3, .grid--4, .grid--5 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .grid--3, .grid--4, .grid--5 { grid-template-columns: 1fr; }
}

.section--dark {
  background: var(--savanna-ink);
  color: var(--white);
}

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4,
.hero h1,
.hero h2,
.hero h3,
.category-hero h1,
.category-hero h2,
.category-hero h3 {
  color: var(--white);
}

.section--paper {
  background: var(--paper);
}