/* ==========================================================================
   Layout — header, footer, containers, rythme des sections
   ========================================================================== */

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

.section {
  padding-block: var(--space-7);
}

.section--alt {
  background-color: var(--color-cream-alt);
}

.section__header {
  max-width: 42rem;
  margin-bottom: var(--space-5);
}

.section__eyebrow {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-bordeaux-text);
  margin-bottom: var(--space-1);
}

.section__divider {
  display: block;
  width: 40px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-bordeaux);
  margin-bottom: var(--space-2);
}

/* ---- Header ---- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(250, 243, 233, 0.9);
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(74, 63, 53, 0.05) 0,
    rgba(74, 63, 53, 0.05) 1px,
    transparent 1px,
    transparent 56px
  );
  backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--duration-base) var(--ease-standard),
              border-color var(--duration-base) var(--ease-standard);
}

.site-header--scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-2);
}

.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.logo img {
  height: 56px;
  width: auto;
}

.footer__logo {
  margin-bottom: var(--space-2);
}

.footer__logo img {
  height: 64px;
  width: auto;
}

.nav__list {
  display: none;
  gap: var(--space-4);
}

.nav__link {
  position: relative;
  color: var(--color-charcoal);
  text-decoration: none;
  font-weight: 500;
}

.nav__link:hover {
  color: var(--color-bordeaux-text);
}

.nav__link--active {
  color: var(--color-bordeaux-text);
}

.nav__link--active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 2px;
  border-radius: var(--radius-pill);
  background-color: var(--color-bordeaux);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
}

.nav__toggle-line {
  transform-box: fill-box;
  transform-origin: center;
  transition: transform var(--duration-base) var(--ease-standard),
              opacity var(--duration-base) var(--ease-standard);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-line--top {
  transform: translateY(5px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-line--mid {
  opacity: 0;
}

.nav__toggle[aria-expanded="true"] .nav__toggle-line--bottom {
  transform: translateY(-5px) rotate(-45deg);
}

.nav__panel {
  padding-block: var(--space-2);
  border-top: 1px solid var(--color-border);
}

.nav__panel[hidden] {
  display: none;
}

.nav__panel .nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

@media (min-width: 1024px) {
  .nav__list {
    display: flex;
  }
  .nav__toggle,
  .nav__panel {
    display: none;
  }
}

/* ---- Footer ---- */

.site-footer {
  background-color: var(--color-charcoal);
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(247, 241, 230, 0.04) 0,
    rgba(247, 241, 230, 0.04) 1px,
    transparent 1px,
    transparent 56px
  );
  color: var(--color-cream);
  padding-block: var(--space-6) var(--space-4);
}

.site-footer a {
  color: var(--color-cream);
}

.footer__grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
  margin-bottom: var(--space-5);
}

@media (min-width: 640px) {
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.footer__bottom {
  border-top: 1px solid rgba(250, 243, 233, 0.15);
  padding-top: var(--space-3);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: space-between;
  font-size: var(--text-sm);
  color: var(--color-cream-alt);
}

.footer__credit {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: rgba(250, 243, 233, 0.6);
  text-align: center;
}

.footer__credit-link {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--duration-fast) var(--ease-standard);
}

.footer__credit-link:hover {
  color: var(--color-cream);
}

.social-row--footer {
  margin-top: var(--space-2);
}

/* ---- Icônes sociales sur fond sombre (footer) ---- */

.site-footer .social-icon {
  border-color: rgba(250, 243, 233, 0.25);
  color: var(--color-cream);
}

.site-footer .social-icon:hover {
  background-color: var(--color-bordeaux);
  border-color: var(--color-bordeaux);
  color: var(--color-cream);
}