/* ============================================================
   LA STATION — ANIMATIONS CSS
   Keyframes · Transitions · Scroll indicators
   ============================================================ */

/* ── Scroll pulse indicator ── */
@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%       { transform: scale(1.6); opacity: 0.5; }
}
.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.scroll-indicator__dot {
  width: 8px; height: 8px;
  background: var(--or);
  border-radius: 50%;
  animation: pulse-dot 1.8s ease-in-out infinite;
}
.scroll-indicator__label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--or);
  writing-mode: horizontal-tb;
}

/* ── Hero entrance ── */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}
.anim-fade-up {
  animation: fade-up 0.9s var(--ease) both;
}
.anim-fade-up--d1 { animation-delay: 0.1s; }
.anim-fade-up--d2 { animation-delay: 0.25s; }
.anim-fade-up--d3 { animation-delay: 0.4s; }
.anim-fade-up--d4 { animation-delay: 0.55s; }

/* ── Char split ── */
.char {
  display: inline-block;
  opacity: 0;
  transform: translateY(60px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.char.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Reveal on scroll (JS adds .revealed) ── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}
.reveal--left {
  transform: translateX(-40px);
}
.reveal--left.revealed {
  transform: translateX(0);
}
.reveal--right {
  transform: translateX(40px);
}
.reveal--right.revealed {
  transform: translateX(0);
}

/* Stagger delays */
.reveal-d1 { transition-delay: 0.1s; }
.reveal-d2 { transition-delay: 0.2s; }
.reveal-d3 { transition-delay: 0.3s; }
.reveal-d4 { transition-delay: 0.4s; }
.reveal-d5 { transition-delay: 0.5s; }
.reveal-d6 { transition-delay: 0.6s; }

/* ── Timeline step draw ── */
@keyframes line-grow {
  from { height: 0; }
  to   { height: 100%; }
}

/* ── Gold shimmer on hover ── */
@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position:  200% center; }
}

/* ── Underline draw ── */
.underline-draw {
  position: relative;
  display: inline-block;
}
.underline-draw::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: var(--or);
  transition: width 0.45s var(--ease);
}
.underline-draw:hover::after { width: 100%; }

/* ── Page fade transition ── */
.page-transition {
  position: fixed;
  inset: 0;
  background: var(--noir);
  z-index: 8888;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.35s var(--ease);
}
.page-transition.active { opacity: 1; pointer-events: auto; }