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

/* ── Navigation ── */
.nav-link { position: relative; }
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: #7B2D3B;
  transition: width 0.3s ease;
}
.nav-link:hover::after { width: 100%; }

#nav.scrolled {
  background: rgba(254, 252, 251, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(123, 45, 59, 0.08);
}

/* ── Mobile menu ── */
.mobile-link { position: relative; }
#mobile-menu.open { display: block; animation: slideDown 0.3s ease; }
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Hamburger animation ── */
#menu-btn[aria-expanded="true"] .menu-bar:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}
#menu-btn[aria-expanded="true"] .menu-bar:nth-child(2) {
  opacity: 0;
}
#menu-btn[aria-expanded="true"] .menu-bar:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
  width: 1.5rem;
}

/* ── Marquee ── */
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.animate-marquee {
  animation: marquee 20s linear infinite;
}

/* ── Scroll dot ── */
@keyframes scroll-dot {
  0% { transform: translateY(-16px); opacity: 0; }
  50% { opacity: 1; }
  100% { transform: translateY(16px); opacity: 0; }
}
.animate-scroll-dot {
  animation: scroll-dot 1.5s ease-in-out infinite;
}

/* ── Reveal animations (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }
  .reveal:nth-child(2) { transition-delay: 0.1s; }
  .reveal:nth-child(3) { transition-delay: 0.2s; }
  .reveal:nth-child(4) { transition-delay: 0.3s; }
}

/* ── Focus styles ── */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid #7B2D3B;
  outline-offset: 2px;
}

/* ── Selection ── */
::selection { background: #fce4e8; color: #7B2D3B; }