/* Header / navigation */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-charcoal);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block: 0.65rem;
}

.logo {
  display: inline-flex;
  flex-direction: row-reverse;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 1.2rem + 2.4vw, 2.6rem);
  font-weight: 900;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--color-blush);
  text-decoration: none;
}

.logo__wave {
  width: 4rem;
  height: auto;
  flex-shrink: 0;
}

.main-nav {
  display: none;
}

.main-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.main-nav__list a {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-blush);
  text-decoration: none;
  position: relative;
  padding-block: 0.25rem;
  transition: color var(--transition-fast);
}

.main-nav__list a:hover,
.main-nav__list a[aria-current='page'] {
  color: var(--color-cream);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.header-actions .btn {
  display: none;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-pill);
  color: var(--color-blush);
}

.nav-toggle svg {
  width: 1.5rem;
  height: 1.5rem;
}

.nav-toggle .icon-close {
  display: none;
}

.nav-toggle[aria-expanded='true'] .icon-open {
  display: none;
}

.nav-toggle[aria-expanded='true'] .icon-close {
  display: block;
}

@media (min-width: 960px) {
  .main-nav {
    display: block;
  }
  .header-actions .btn {
    display: inline-flex;
  }
  .nav-toggle {
    display: none;
  }
}

/* Menu mobile plein écran */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--color-charcoal);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-2xl) var(--container-pad);
  overflow-y: auto;
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
}

.mobile-menu.is-open {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

.mobile-menu__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.mobile-menu__list a {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 1.2rem + 2vw, 2.1rem);
  font-weight: 900;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--color-blush);
}

@media (min-width: 960px) {
  .mobile-menu {
    display: none;
  }
}

/* CTA sticky mobile — masqué au chargement, apparaît après un peu de scroll */
.sticky-cta {
  position: fixed;
  left: var(--space-sm);
  right: var(--space-sm);
  bottom: var(--space-sm);
  z-index: 90;
  padding-bottom: env(safe-area-inset-bottom, 0);
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.sticky-cta.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.has-modal-open .sticky-cta {
  opacity: 0;
  pointer-events: none;
}

.sticky-cta .btn {
  width: 100%;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: background-color var(--transition-base), color var(--transition-base);
}

/* Sur une section rose/blush, le bouton passe en rouge vin pour ne pas
   se fondre dedans (toggle JS via nav.js, pas de détection de couleur réelle). */
.sticky-cta.is-on-blush .btn {
  background: var(--color-terracotta-deep);
  color: var(--color-cream);
}

@media (min-width: 960px) {
  .sticky-cta {
    display: none;
  }
}