/* ─── Base & Utilities ─── */
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  overflow-x: hidden;
}

/* ─── 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);
  }

  /* Stagger children */
  .reveal-stagger > * {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s cubic-bezier(0.22, 1, 0.36, 1), transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .reveal-stagger.revealed > *:nth-child(1) { transition-delay: 0.05s; }
  .reveal-stagger.revealed > *:nth-child(2) { transition-delay: 0.1s; }
  .reveal-stagger.revealed > *:nth-child(3) { transition-delay: 0.15s; }
  .reveal-stagger.revealed > *:nth-child(4) { transition-delay: 0.2s; }
  .reveal-stagger.revealed > *:nth-child(5) { transition-delay: 0.25s; }
  .reveal-stagger.revealed > *:nth-child(6) { transition-delay: 0.3s; }

  .reveal-stagger.revealed > * {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ─── Scroll indicator dot animation ─── */
@media (prefers-reduced-motion: no-preference) {
  .scroll-dot {
    animation: scrollBounce 2s ease-in-out infinite;
  }

  @keyframes scrollBounce {
    0%, 100% { transform: translateY(0); opacity: 0.7; }
    50% { transform: translateY(8px); opacity: 0.3; }
  }
}

/* ─── Navbar scroll state ─── */
#nav.scrolled {
  background: rgba(55, 15, 23, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

#nav.scrolled .nav-logo-text {
  color: #fff !important;
}

.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: #ffb8ac;
  transition: width 0.25s ease;
}

.nav-link:hover::after {
  width: 100%;
}

/* ─── Mobile menu ─── */
#mobile-menu {
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.mobile-link {
  position: relative;
  padding-left: 12px;
}

.mobile-link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #ffb8ac;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.mobile-link:hover::before {
  opacity: 1;
}

/* ─── Button focus states ─── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid #c4546a;
  outline-offset: 2px;
}

/* ─── Selection color ─── */
::selection {
  background: #c4546a;
  color: #fff;
}