/* ── Base & Typography ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #faf4f6; }
::-webkit-scrollbar-thumb { background: #d4a017; border-radius: 3px; }

/* ── Hero Animation ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-fade-up {
  animation: fadeUp 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
}
@keyframes scrollLine {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); }
}
.animate-scroll-line {
  animation: scrollLine 2s ease-in-out infinite;
}

/* ── Scroll Reveal (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
  .reveal-left,
  .reveal-right,
  .reveal-down,
  .reveal-scale {
    opacity: 0;
    transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
  }
  .reveal-left { transform: translateX(-32px); }
  .reveal-right { transform: translateX(32px); }
  .reveal-down { transform: translateY(24px); }
  .reveal-scale { transform: scale(0.97); }

  .reveal-left.is-visible,
  .reveal-right.is-visible,
  .reveal-down.is-visible,
  .reveal-scale.is-visible {
    opacity: 1;
    transform: translate(0) scale(1);
  }
}

/* ── Navbar ── */
#navbar {
  background: transparent;
}
#navbar.scrolled {
  background: rgba(250, 244, 246, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(107, 42, 59, 0.08);
}
.nav-logo {
  transition: color 0.3s ease;
}
#navbar:not(.scrolled) .nav-logo {
  color: #faf4f6 !important;
}
#navbar:not(.scrolled) .text-plum-700 {
  color: rgba(250, 244, 246, 0.8) !important;
}
#navbar:not(.scrolled) .text-plum-700:hover {
  color: #ffefb3 !important;
}
#navbar:not(.scrolled) .toggle-line-1,
#navbar:not(.scrolled) .toggle-line-2,
#navbar:not(.scrolled) .toggle-line-3 {
  background: #faf4f6 !important;
}
#navbar.scrolled .nav-logo {
  color: #4b1f2a !important;
}

/* ── Mobile Menu ── */
#mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}
.mobile-link {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.4s ease, transform 0.4s 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; }

/* ── Hamburger Animation ── */
.menu-open .toggle-line-1 {
  transform: rotate(45deg) translate(3px, 3px);
}
.menu-open .toggle-line-2 {
  opacity: 0;
}
.menu-open .toggle-line-3 {
  transform: rotate(-45deg) translate(3px, -3px);
  width: 1.25rem;
}

/* ── Links ── */
a { text-decoration: none; }

/* ── Selection ── */
::selection {
  background: #d4a017;
  color: #2a0f16;
}