/* =============================================================
 * SUNSHINE — Layout primitives
 * Container, section rhythm, grid helpers, header/footer shell.
 * Uses logical properties for RTL safety.
 * ============================================================= */

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

.section {
  padding-block: var(--space-4xl);
}
.section--tight   { padding-block: var(--space-2xl); }
.section--loose   { padding-block: var(--space-5xl); }
.section--raised  { background: var(--color-surface-raised); }
.section--dark    {
  background: var(--color-surface-dark);
  color: var(--color-text-on-dark);
}
.section--dark h1,
.section--dark h2,
.section--dark h3 { color: var(--color-surface); }
.section--dark a  { color: var(--color-accent); }

/* Asymmetric grid: 6/6 by default, can be overridden per-section (DESIGN.md §5) */
.grid {
  display: grid;
  gap: var(--space-2xl);
}
.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--asymmetric { grid-template-columns: 7fr 5fr; }
.grid--asymmetric-rev { grid-template-columns: 5fr 7fr; }

@media (max-width: 1023px) {
  .grid--2, .grid--3, .grid--4,
  .grid--asymmetric, .grid--asymmetric-rev {
    grid-template-columns: 1fr;
  }
}

/* Auto-fit responsive grid — no breakpoint needed (DESIGN.md §5) */
.grid--auto {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* === Site header shell === */
.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: var(--z-sticky);
  background: oklch(1 0 0 / 0.92);
  backdrop-filter: saturate(140%) blur(8px);
  border-block-end: var(--border-1);
}
.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  min-block-size: 72px;
}
.site-header__brand { flex: 0 0 auto; }
.site-header__brand img { max-block-size: 36px; width: auto; }
.site-header__nav { flex: 1 1 auto; }
.site-header__cta { flex: 0 0 auto; }

.primary-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}
.primary-nav a {
  color: var(--color-surface-dark);
  font-weight: var(--fw-medium);
  font-size: var(--fs-small);
  padding-block: var(--space-xs);
}
.primary-nav a:hover,
.primary-nav .current-menu-item > a,
.primary-nav .current_page_item > a {
  color: var(--color-primary);
  text-decoration: none;
  border-block-end: 2px solid var(--color-primary);
}

.lang-switcher {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--fs-small);
}

/* === Site footer === */
.site-footer {
  background: var(--color-surface-dark);
  color: var(--color-text-on-dark);
  padding-block: var(--space-4xl) var(--space-xl);
  margin-block-start: var(--space-5xl);
}
.site-footer a { color: var(--color-text-on-dark); }
.site-footer a:hover { color: var(--color-accent); }
.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: var(--space-2xl);
}
@media (max-width: 1023px) {
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 639px) {
  .site-footer__grid { grid-template-columns: 1fr; }
}
.site-footer__bottom {
  margin-block-start: var(--space-3xl);
  padding-block-start: var(--space-lg);
  border-block-start: var(--border-1-on-dark);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: space-between;
  align-items: center;
  font-size: var(--fs-small);
  color: var(--color-text-muted);
}
.footer-nav ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--space-sm); }
.footer-nav a { font-size: var(--fs-small); }

/* === Floating WhatsApp button === */
.floating-whatsapp {
  position: fixed;
  inset-block-end: var(--space-lg);
  inset-inline-end: var(--space-lg);
  z-index: var(--z-sticky);
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  border-radius: var(--radius-pill);
  background: #25D366;
  color: #fff;
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  box-shadow: var(--shadow-hover-lift);
}
.floating-whatsapp:hover { background: #1da851; color: #fff; text-decoration: none; }
.floating-whatsapp svg { block-size: 20px; inline-size: 20px; }
@media (max-width: 639px) {
  .floating-whatsapp { padding: var(--space-md); }
  .floating-whatsapp span { display: none; }
}

/* === Main content offset === */
.site-main { display: block; min-block-size: 60vh; }

/* === Breadcrumb === */
.breadcrumb {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  padding-block: var(--space-md);
  margin-block-end: var(--space-lg);
}
.breadcrumb ol { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: var(--space-xs); }
.breadcrumb li + li::before {
  content: "›";
  margin-inline-end: var(--space-xs);
  color: var(--color-text-disabled);
}
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb [aria-current="page"] { color: var(--color-text); }