/* ============================================================
   Totaal WK — layout.css
   Header, footer, navigatie, grids, secties
   ============================================================ */

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--c-black);
  border-bottom: var(--border-thick);
  border-color: var(--c-orange);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: .85rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: .65rem;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  color: var(--c-white);
  text-transform: uppercase;
}
.brand:hover { color: var(--c-orange); }
.brand .brand-mark {
  width: 38px; height: 38px;
  flex: 0 0 auto;
}
.brand b { color: var(--c-orange); }

.nav-links {
  display: flex;
  align-items: center;
  gap: .35rem;
  list-style: none;
  margin: 0;
}
.nav-links a {
  display: inline-block;
  font-family: var(--f-body);
  font-weight: 600;
  font-size: .92rem;
  color: var(--c-paper);
  padding: .5rem .8rem;
  letter-spacing: .01em;
  border: 2px solid transparent;
  transition: all var(--t-fast);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--c-black);
  background: var(--c-orange);
  border-color: var(--c-black);
}

.nav-toggle {
  display: none;
  width: 48px; height: 44px;
  background: var(--c-orange);
  border: 2px solid var(--c-white);
  cursor: pointer;
  position: relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  width: 22px; height: 3px;
  background: var(--c-black);
  transform: translate(-50%,-50%);
  transition: transform var(--t-fast), opacity var(--t-fast);
}
.nav-toggle span::before { transform: translate(-50%,-9px); }
.nav-toggle span::after  { transform: translate(-50%,6px); }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translate(-50%,-50%) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after  { transform: translate(-50%,-50%) rotate(-45deg); }

/* ---------- Main sections ---------- */
main { display: block; }

.section {
  padding-block: clamp(3rem, 7vw, 6rem);
}
.section--tight { padding-block: clamp(2rem, 4vw, 3.5rem); }
.section--dark {
  background: var(--c-black);
  color: var(--c-paper);
}
.section--dark h2,
.section--dark h3 { color: var(--c-white); }
.section--orange {
  background: var(--c-orange);
  color: var(--c-black);
}
.section--orange h2 { color: var(--c-black); }

.section-head {
  margin-bottom: clamp(1.6rem, 3vw, 2.6rem);
  max-width: 760px;
}
.section-head .eyebrow { margin-bottom: .8rem; }

/* ---------- Grids ---------- */
.grid {
  display: grid;
  gap: var(--gap);
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.split {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
}

/* ---------- Article layout ---------- */
.article-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}
.article-body {
  max-width: 72ch;
}
.article-body h2 { margin: 2.4rem 0 1rem; }
.article-body h3 { margin: 1.8rem 0 .7rem; color: var(--c-orange-deep); }
.article-body p { font-size: 1.06rem; }
.article-body > p:first-of-type {
  font-size: 1.22rem;
  font-weight: 500;
  line-height: 1.55;
}

.aside-sticky { position: sticky; top: 96px; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--c-black);
  color: var(--c-paper);
  border-top: var(--border-thick);
  border-color: var(--c-orange);
  padding-block: clamp(2.6rem, 5vw, 4rem) 1.5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  margin-bottom: 2.4rem;
}
.footer-col h4 {
  color: var(--c-orange);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 1rem;
}
.footer-col ul { list-style: none; margin: 0; }
.footer-col li { margin-bottom: .55rem; }
.footer-col a { color: var(--c-paper); font-size: .95rem; }
.footer-col a:hover { color: var(--c-orange); }
.footer-col p { color: #b9aea0; font-size: .95rem; }

.footer-brand { display: flex; align-items: center; gap: .6rem; margin-bottom: 1rem; }
.footer-brand .brand-mark { width: 42px; height: 42px; }
.footer-brand span {
  font-family: var(--f-display); font-weight: 800;
  font-size: 1.3rem; color: var(--c-white); text-transform: uppercase;
}
.footer-brand b { color: var(--c-orange); }

.footer-bottom {
  border-top: 2px solid #2a2a2a;
  padding-top: 1.4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: .85rem;
  color: #9a9082;
}
.footer-bottom a { color: #cabfb1; }
.footer-bottom a:hover { color: var(--c-orange); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .article-wrap { grid-template-columns: 1fr; }
  .aside-sticky { position: static; }
}

@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--c-black);
    border-bottom: var(--border-thick);
    border-color: var(--c-orange);
    padding: .6rem clamp(1rem, 4vw, 2.4rem) 1.2rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--t-med);
  }
  .nav-links.open { max-height: 70vh; }
  .nav-links a { padding: .85rem 1rem; border: 2px solid transparent; border-bottom: 2px solid #222; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}