/* ==========================================================================
   Header / Navigation / Footer / Floating actions
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--border-subtle);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-block: 0.75rem;
  max-width: 1600px;
}
@media (max-width: 480px) {
  .header-inner { gap: 0.5rem; }
  .site-header .container { padding-inline: 0.85rem; }
}
.brand { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; flex-shrink: 0; }
.brand img { height: 28px; width: auto; }
@media (min-width: 400px) { .brand img { height: 34px; } }
@media (min-width: 480px) { .brand img { height: 46px; } }
@media (min-width: 900px) { .brand img { height: 64px; } }
@media (min-width: 1560px) { .brand img { height: 88px; } }

.primary-nav { display: none; }
@media (min-width: 1560px) {
  .primary-nav {
    display: flex;
    align-items: center;
    gap: 1.35rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.92rem;
    white-space: nowrap;
  }
  .primary-nav a { color: var(--text-primary); text-decoration: none; position: relative; padding: 0.3rem 0; }
  .primary-nav a::after {
    content: '';
    position: absolute; left: 0; right: 100%; bottom: -2px;
    height: 2px; background: var(--calyon-gold);
    transition: right var(--duration-base) var(--ease-standard);
  }
  .primary-nav a:hover::after, .primary-nav a[aria-current="page"]::after { right: 0; }
  .primary-nav a[aria-current="page"] { color: var(--calyon-navy); }
}

.header-actions { display: flex; align-items: center; gap: 0.75rem; flex-shrink: 0; }
.header-actions .btn--outline { display: none; }
@media (max-width: 480px) {
  .header-actions { gap: 0.4rem; }
  .header-actions .btn--gold.btn--sm { padding-inline: 0.75rem; }
}
@media (min-width: 640px) {
  .header-actions .btn--outline { display: inline-flex; }
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  background: none;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
@media (min-width: 1560px) { .nav-toggle { display: none; } }
.nav-toggle svg { width: 20px; height: 20px; }

/* Mobile nav */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
}
.mobile-nav.is-open { display: block; }
.mobile-nav__scrim {
  position: absolute; inset: 0;
  background: rgba(18,58,140,0.35);
}
.mobile-nav__panel {
  position: absolute;
  top: 0; right: 0;
  height: 100%;
  width: min(86vw, 360px);
  background: var(--white);
  padding: var(--space-md);
  transform: translateX(100%);
  transition: transform var(--duration-base) var(--ease-standard);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.mobile-nav.is-open .mobile-nav__panel { transform: translateX(0); }
.mobile-nav__top { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--space-md); }
.mobile-nav__top img { height: 40px; width: auto; }
.mobile-nav__close { background: none; border: none; width: 40px; height: 40px; cursor: pointer; }
.mobile-nav a {
  display: block;
  padding: 0.85rem 0.25rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 600;
}
.mobile-nav .btn { width: 100%; justify-content: center; margin-top: var(--space-md); }

/* Footer */
.site-footer {
  background: var(--calyon-navy);
  color: #C9D3E8;
  padding-block: var(--space-2xl) var(--space-md);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: var(--space-lg);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid rgba(255,255,255,0.15);
}
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.footer-grid h4 {
  color: var(--white);
  font-size: var(--step-sm);
  margin-bottom: var(--space-sm);
}
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 0.6rem; }
.footer-grid a { color: #C9D3E8; text-decoration: none; font-size: var(--step-sm); }
.footer-grid a:hover { color: var(--calyon-gold); }
.footer-brand img { height: 44px; margin-bottom: var(--space-sm); filter: brightness(0) invert(1); }
.footer-brand p { color: #A9B7D6; font-size: var(--step-sm); }
.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding-top: var(--space-md);
  font-size: var(--step-xs);
  color: var(--white);
}
.footer-bottom p { color: var(--white); margin: 0; }
@media (min-width: 800px) {
  .footer-bottom p { white-space: nowrap; }
}
.footer-bottom a { color: var(--white); }
.footer-legal-links { display: flex; gap: 1.2rem; flex-wrap: wrap; }

/* Floating actions */
.floating-actions {
  position: fixed;
  right: var(--space-sm);
  bottom: var(--space-sm);
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  align-items: flex-end;
}
.whatsapp-fab {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #25D366;
  color: #05330F;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--step-xs);
  padding: 0.75rem 1.1rem;
  border-radius: 999px;
  text-decoration: none;
  box-shadow: 0 10px 24px -8px rgba(0,0,0,0.35);
  transition: transform var(--duration-fast) var(--ease-standard);
}
.whatsapp-fab:hover { transform: translateY(-2px); }
.whatsapp-fab svg { width: 20px; height: 20px; flex-shrink: 0; }