/* ── Base & Utilities ── */
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
}

::selection {
  background: rgba(212, 168, 83, 0.3);
  color: #f5f5f4;
}

/* ── Scroll Reveal (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }
}

/* When JS is loaded, enable reveal animations */
.js-loaded .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.js-loaded .reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ── Header ── */
#site-header {
  background: rgba(9, 16, 29, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

#site-header.scrolled {
  background: rgba(9, 16, 29, 0.92);
  border-bottom-color: rgba(212, 168, 83, 0.15);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

/* ── Mobile Menu ── */
#mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

/* ── Gold accent line on scrollable sections ── */
section::after {
  content: '';
  display: table;
  clear: both;
}

/* ── Image hover container ── */
.overflow-hidden {
  will-change: transform;
}

/* ── Custom scrollbar ── */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #09101d;
}
::-webkit-scrollbar-thumb {
  background: #1a2744;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #2a3a5c;
}

/* ── Focus visible ── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid rgba(212, 168, 83, 0.6);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ── Mobile menu link animation ── */
.mobile-link {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.3s ease, transform 0.3s ease, color 0.3s ease;
}

#mobile-menu.open .mobile-link {
  opacity: 1;
  transform: translateY(0);
}

#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.25s; }