/* ============================================================================
   Chemmus & Chuppas — Layout (header, footer, grids, sections)
   Loaded after base.css. Custom properties only.
   ============================================================================ */

/* --- Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  border-bottom: var(--border-hairline);
  background: color-mix(in srgb, var(--color-surface) 92%, transparent);
  backdrop-filter: saturate(1.1) blur(6px);
}
.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  min-height: 68px;
  padding-block: var(--space-3);
}
.site-header__brand { flex: 0 0 auto; margin-inline-end: auto; }
.site-title {
  font-family: var(--font-heading);
  font-size: var(--fs-500);
  letter-spacing: 0.02em;
  color: var(--color-heading);
  text-decoration: none;
}
.custom-logo { max-height: 48px; width: auto; }

.site-nav { display: none; }
.site-nav__list {
  display: flex;
  gap: var(--space-5);
  list-style: none;
  margin: 0; padding: 0;
}
.site-nav__list a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: var(--fw-medium);
  padding-block: var(--space-2);
  border-bottom: 2px solid transparent;
}
.site-nav__list a:hover,
.site-nav__list .current-menu-item > a { border-bottom-color: var(--color-accent); }

.site-header__actions { display: flex; align-items: center; gap: var(--space-3); }
.site-header__bag {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-heading);
  font-weight: var(--fw-semibold);
}
.site-header__bag-count {
  display: inline-grid;
  place-items: center;
  min-width: 1.4em;
  height: 1.4em;
  padding-inline: 0.35em;
  font-size: var(--fs-100);
  color: var(--cc-white);
  background: var(--color-accent);
  border-radius: var(--radius-pill);
}

/* Mobile nav toggle (button injected/enabled by JS) */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  background: none;
  border: var(--border-hairline);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.nav-toggle[hidden] { display: none; }

@media (min-width: 860px) {
  .site-nav { display: block; }
  .nav-toggle { display: none; }
}

/* --- Sections & grids --- */
.section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}
.section__title { margin: 0; }
.section__link { font-weight: var(--fw-semibold); white-space: nowrap; }

.grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr));
}
.grid--categories {
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 180px), 1fr));
}

/* --- Footer --- */
.site-footer { border-top: var(--border-hairline); }
.site-footer__inner {
  display: grid;
  gap: var(--space-6);
  padding-block: var(--space-8);
  grid-template-columns: 1fr;
}
.site-footer__name {
  font-family: var(--font-heading);
  font-size: var(--fs-500);
  margin: 0 0 var(--space-2);
}
.site-footer__list { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-2); }
.site-footer__list a { color: var(--color-text); text-decoration: none; }
.site-footer__list a:hover { text-decoration: underline; }
.site-footer__legal { font-size: var(--fs-100); color: var(--color-muted); margin: 0; }

@media (min-width: 720px) {
  .site-footer__inner { grid-template-columns: 2fr 1fr auto; align-items: start; }
}