/* ==========================================================================
   layout.css — container, header, footer, sections, grids
   Structure follows brand/layout.md (Travelio reference, layout only).
   ========================================================================== */

.container { width: min(100% - 2 * var(--gutter), var(--container)); margin-inline: auto; }
.container--narrow { --container: 52rem; }

/* Sections --------------------------------------------------------------- */
.section { padding-block: clamp(3.5rem, 2rem + 6vw, 7.5rem); }
.section--tight { padding-block: clamp(2.5rem, 1.5rem + 3vw, 4.5rem); }
.section.surface-paper + .section.surface-paper { padding-top: 0; }

.section__head { display: grid; gap: var(--space-4); margin-bottom: clamp(2rem, 1rem + 3vw, 3.5rem); }
.section__head--center { justify-items: center; text-align: center; }
.section__head--center .lead { margin-inline: auto; }
.section__head--split { align-items: end; }
@media (min-width: 56rem) {
  .section__head--split { grid-template-columns: 1.2fr 1fr; gap: var(--space-12); }
  .section__head--split .section__aside { justify-self: end; display: grid; gap: var(--space-4); justify-items: end; text-align: right; }
}
.section__head h2 { max-width: 20ch; }
.section__head--center h2 { max-width: 22ch; }

/* Header: logo centred, nav split either side (desktop); logo + toggle (mobile) */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--c-paper) 94%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--c-ink) 10%, var(--c-paper));
}
.site-header__inner { position: relative; display: flex; align-items: center; justify-content: space-between; min-height: var(--header-h); gap: var(--space-4); }
.brand { display: inline-flex; align-items: center; gap: var(--space-3); text-decoration: none; color: var(--c-ink); }
.brand__logo { width: 2.75rem; height: 2.75rem; border-radius: 50%; background: var(--c-paper); outline: 1px solid color-mix(in srgb, var(--c-ink) 14%, transparent); }
.brand__text { display: grid; line-height: 1.1; }
.brand__name { font-family: var(--font-display); font-size: 1.15rem; }
.brand__sub { font-size: var(--fs-xs); font-weight: 600; color: color-mix(in srgb, var(--c-ink) 65%, var(--c-paper)); }

.nav-toggle {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-2) var(--space-4); border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--c-ink) 20%, var(--c-paper)); background: var(--c-paper); font-weight: 700; font-size: var(--fs-sm);
}
.nav-toggle__bars { display: grid; gap: 4px; }
.nav-toggle__bars span { display: block; width: 16px; height: 2px; background: currentColor; border-radius: 2px; }

.site-nav {
  position: fixed; inset: var(--header-h) 0 0 0; z-index: 49;
  background: var(--c-paper); padding: var(--space-8) var(--gutter);
  display: none; overflow-y: auto;
}
.site-nav.is-open { display: block; }
.site-nav__list { display: grid; gap: var(--space-1); }
.site-nav__link {
  display: block; padding: var(--space-3) 0; text-decoration: none;
  font-family: var(--font-display); font-size: var(--fs-2xl); color: var(--c-ink);
  border-bottom: 1px dashed color-mix(in srgb, var(--c-ink) 22%, var(--c-paper));
}
.site-nav__link[aria-current="page"] { color: var(--c-accent); }
.site-nav__cta { margin-top: var(--space-8); background: transparent; }

@media (min-width: 64rem) {
  .nav-toggle { display: none; }
  :root { --header-h: 5.25rem; }
  .site-header__inner { justify-content: center; }
  .brand { position: absolute; left: 50%; transform: translateX(-50%); flex-direction: column; gap: 0; }
  .brand__text { display: none; }
  .brand__logo { width: 3.75rem; height: 3.75rem; }
  .site-nav { position: static; display: flex; width: 100%; padding: 0; background: none; overflow: visible; align-items: center; }
  .site-nav__list { display: flex; gap: var(--space-1); }
  .site-nav__list--left { margin-right: auto; }
  .site-nav__list--right { margin-left: auto; }
  .site-nav__link {
    font-family: var(--font-body); font-size: var(--fs-sm); font-weight: 600;
    padding: var(--space-2) var(--space-4); border: 0; border-radius: 999px;
  }
  .site-nav__link:hover { background: color-mix(in srgb, var(--c-primary) 12%, var(--c-paper)); }
  .site-nav__link[aria-current="page"] { background: color-mix(in srgb, var(--c-primary) 16%, var(--c-paper)); color: var(--c-ink); }
  .site-nav__cta { margin: 0 0 0 var(--space-3); }
}

/* Page hero (inner pages) ------------------------------------------------ */
.page-hero { padding-block: clamp(2.6rem, 1.6rem + 4.2vw, 4.9rem) clamp(2.75rem, 1.75rem + 4.5vw, 5.5rem); text-align: center; } /* top is slightly less: the h1 line-height adds space above the letters */
.page-hero__inner { display: grid; justify-items: center; gap: var(--space-4); }
.page-hero h1 { max-width: 18ch; }
.page-hero .lead { margin-inline: auto; }

/* Grids ------------------------------------------------------------------ */
.grid { display: grid; gap: clamp(1rem, 0.5rem + 1.5vw, 1.75rem); }
.grid--5 { grid-template-columns: repeat(2, 1fr); } /* people cards: 2-up even on phones */
@media (min-width: 40rem) { .grid--2, .grid--3, .grid--4, .grid--5 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 64rem) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
  .grid--5 { grid-template-columns: repeat(5, 1fr); }
  .grid--feature { grid-template-columns: 1.55fr 1fr; }
}
.split { display: grid; gap: clamp(2rem, 1rem + 4vw, 5rem); align-items: center; }
@media (min-width: 56rem) {
  .split { grid-template-columns: 1fr 1fr; }
  .split--wide-left { grid-template-columns: 1.2fr 1fr; }
  .split--top { align-items: start; }
}
.layout-sidebar { display: grid; gap: var(--space-12); }
@media (min-width: 64rem) { .layout-sidebar { grid-template-columns: minmax(0, 1fr) 20rem; align-items: start; } }

/* Footer ----------------------------------------------------------------- */
.site-footer { padding-block: clamp(3.5rem, 2rem + 4vw, 5.5rem) var(--space-8); }
.site-footer__top { display: grid; gap: var(--space-12); }
@media (min-width: 56rem) { .site-footer__top { grid-template-columns: 1.3fr 1fr 1fr 1.2fr; gap: var(--space-8); } }
.site-footer__brand { display: grid; gap: var(--space-4); justify-items: start; }
.site-footer__logo { width: 5.5rem; height: 5.5rem; border-radius: 50%; background: var(--c-paper); }
.site-footer__arabic { font-family: var(--font-arabic); font-size: 1.5rem; line-height: 1.4; }
.site-footer h2 { font-family: var(--font-body); font-size: var(--fs-sm); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-bottom: var(--space-4); }
.site-footer__list { display: grid; gap: var(--space-2); }
.site-footer__list a { text-decoration: none; }
.site-footer__list a:hover { text-decoration: underline; }
.site-footer__contact { display: grid; gap: var(--space-3); font-style: normal; }
.site-footer__bottom {
  margin-top: var(--space-12); padding-top: var(--space-6); border-top: 1px dashed var(--line);
  display: flex; flex-wrap: wrap; gap: var(--space-4); justify-content: space-between; font-size: var(--fs-sm); color: var(--muted);
}
.site-footer__credit a { color: var(--link); font-weight: 700; }