/* ============================================
   MAC 2026 - Animations
   ============================================ */

/* ---- Reveal on Scroll ---- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal-left.reveal--visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal-right.reveal--visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.85);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal-scale.reveal--visible {
  opacity: 1;
  transform: scale(1);
}

/* Stagger Delays */
[data-stagger="1"] { transition-delay: 0.1s; }
[data-stagger="2"] { transition-delay: 0.2s; }
[data-stagger="3"] { transition-delay: 0.3s; }
[data-stagger="4"] { transition-delay: 0.4s; }
[data-stagger="5"] { transition-delay: 0.5s; }
[data-stagger="6"] { transition-delay: 0.6s; }
[data-stagger="7"] { transition-delay: 0.7s; }
[data-stagger="8"] { transition-delay: 0.8s; }

/* ---- Hero Animations ---- */
@keyframes heroFadeIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__text-col > * {
  opacity: 0;
  animation: heroFadeIn 0.8s var(--ease-out) forwards;
}

.hero__text-col > *:nth-child(1) { animation-delay: 0.3s; }
.hero__text-col > *:nth-child(2) { animation-delay: 0.5s; }
.hero__text-col > *:nth-child(3) { animation-delay: 0.7s; }
.hero__text-col > *:nth-child(4) { animation-delay: 0.9s; }
.hero__text-col > *:nth-child(5) { animation-delay: 1.1s; }

/* ---- Scroll Indicator ---- */
@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 0.6; }
  50% { transform: translateY(10px); opacity: 1; }
}

.scroll-indicator {
  animation: scrollBounce 2s ease-in-out infinite;
}

/* ---- Float Animation ---- */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.float {
  animation: float 4s ease-in-out infinite;
}

/* ---- Ember Glow ---- */
@keyframes emberGlow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(196, 74, 28, 0.25);
  }
  50% {
    box-shadow: 0 0 40px rgba(196, 74, 28, 0.45), 0 0 80px rgba(213, 164, 59, 0.15);
  }
}

/* ---- Background gradient movement ---- */
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.gradient-animated {
  background-size: 200% 200%;
  animation: gradientShift 8s ease infinite;
}

/* ---- Navbar transition ---- */
.navbar {
  transition: background-color var(--transition-medium),
              backdrop-filter var(--transition-medium),
              box-shadow var(--transition-medium),
              padding var(--transition-medium);
}

/* ---- Image hover zoom ---- */
.img-zoom {
  overflow: hidden;
  border-radius: var(--radius-md);
}

.img-zoom img {
  transition: transform var(--transition-slow);
}

.img-zoom:hover img {
  transform: scale(1.06);
}

/* ---- Gold underline link ---- */
.link-underline {
  position: relative;
  display: inline-block;
}

.link-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-gold);
  transition: width var(--transition-medium);
}

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