/* ===== Base & Utilities ===== */
html {
  scroll-behavior: smooth;
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== Marquee Animation ===== */
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.animate-marquee {
  animation: marquee 20s linear infinite;
}

/* ===== Scroll Reveal (progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  }

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

  .reveal-delay-1 { transition-delay: 0.1s; }
  .reveal-delay-2 { transition-delay: 0.2s; }
  .reveal-delay-3 { transition-delay: 0.3s; }
  .reveal-delay-4 { transition-delay: 0.4s; }
}

/* ===== Navbar transition ===== */
.nav-scrolled {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

.nav-scrolled .menu-line {
  background: #0A1628;
}

.nav-scrolled .font-serif,
.nav-scrolled .font-sans {
  color: #0A1628;
}

/* ===== Mobile menu transitions ===== */
.mobile-menu-open {
  opacity: 1 !important;
  pointer-events: all !important;
}

.menu-toggle-active .menu-line:first-child {
  transform: rotate(45deg) translate(4px, 4px);
}

.menu-toggle-active .menu-line:last-child {
  transform: rotate(-45deg) translate(4px, -4px);
}

/* ===== Selection color ===== */
::selection {
  background: #3ABF8C;
  color: #0A1628;
}