/* ── Base & Utilities ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; }

/* ── Header ── */
#site-header {
  background: transparent;
  transition: background 0.35s ease, box-shadow 0.35s ease, backdrop-filter 0.35s ease;
}
#site-header.scrolled {
  background: rgba(17, 19, 21, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}

/* ── Scroll Indicator ── */
.scroll-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.35);
  color: white;
  animation: bobble 2s ease-in-out infinite;
}
@keyframes bobble {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ── Reveal Animations (below-fold only) ── */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  }
  .reveal[data-reveal-state="hidden"] {
    opacity: 0;
    transform: translateY(28px);
  }
  .card-tile {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease, background 0.2s ease;
  }
  .card-tile[data-reveal-state="hidden"] {
    opacity: 0;
    transform: translateY(20px);
  }
  .gallery-item {
    opacity: 1;
    transform: scale(1);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }
  .gallery-item[data-reveal-state="hidden"] {
    opacity: 0;
    transform: scale(0.97);
  }
}

/* ── Mobile Nav ── */
#mobile-nav {
  animation: slideDown 0.25s ease;
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Custom Scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #1e2023; }
::-webkit-scrollbar-thumb { background: #52565e; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #71757d; }

/* ── Selection ── */
::selection { background: rgba(224, 112, 93, 0.3); color: #1e2023; }