/* ── Base ── */
html {
  scroll-behavior: smooth;
}

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

/* ── Scroll Reveal (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
  .reveal-up,
  .reveal-left,
  .reveal-right {
    opacity: 1;
    transform: none;
  }

  .reveal-up {
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .reveal-left {
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .reveal-right {
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
}

/* JS adds these classes to trigger animation */
.js-enabled .reveal-up {
  opacity: 0;
  transform: translateY(32px);
}
.js-enabled .reveal-left {
  opacity: 0;
  transform: translateX(-32px);
}
.js-enabled .reveal-right {
  opacity: 0;
  transform: translateX(32px);
}

.js-enabled .reveal-up.revealed,
.js-enabled .reveal-left.revealed,
.js-enabled .reveal-right.revealed {
  opacity: 1;
  transform: translate(0, 0);
}

/* ── Hero headline animation ── */
@media (prefers-reduced-motion: no-preference) {
  .hero-headline {
    opacity: 0;
    transform: translateY(24px);
    animation: heroIn 0.8s ease forwards;
  }
  .hero-tag {
    opacity: 0;
    animation: heroIn 0.6s ease forwards 0.2s;
  }
  #hero p,
  #hero .flex-wrap {
    opacity: 0;
    animation: heroIn 0.7s ease forwards 0.4s;
  }
}

@keyframes heroIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Navbar ── */
.nav-logo {
  transition: color 0.3s ease;
}
.nav-link {
  transition: color 0.3s ease;
}

/* Scrolled state applied by JS */
.nav-scrolled .nav-logo {
  color: #fff;
}
.nav-scrolled .nav-link {
  color: rgba(255,255,255,0.8);
}

/* ── Mobile menu ── */
.mobile-menu-open {
  overflow: hidden;
}
.mobile-menu-active {
  opacity: 1 !important;
  pointer-events: auto !important;
}

/* ── Custom scrollbar ── */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #0f172a;
}
::-webkit-scrollbar-thumb {
  background: #1e293b;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #334155;
}

/* ── Selection ── */
::selection {
  background: rgba(13, 148, 136, 0.3);
  color: #f8fafc;
}