/* ── Scroll Reveal ── */

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition:
    opacity var(--duration-reveal) var(--ease-out-expo),
    transform var(--duration-reveal) var(--ease-out-expo);
}

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

.reveal--left {
  transform: translateX(-40px);
}

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

.reveal--right {
  transform: translateX(40px);
}

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

.reveal--scale {
  transform: scale(0.92);
}

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

/* Stagger children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity var(--duration-slow) var(--ease-out-expo),
    transform var(--duration-slow) var(--ease-out-expo);
}

.reveal-stagger--visible > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger--visible > *:nth-child(2) { transition-delay: 80ms; }
.reveal-stagger--visible > *:nth-child(3) { transition-delay: 160ms; }
.reveal-stagger--visible > *:nth-child(4) { transition-delay: 240ms; }
.reveal-stagger--visible > *:nth-child(5) { transition-delay: 320ms; }
.reveal-stagger--visible > *:nth-child(6) { transition-delay: 400ms; }

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

/* ── Counter Animation ── */

.counter-animate {
  display: inline-block;
  font-variant-numeric: tabular-nums;
}

/* ── Parallax ── */

.parallax {
  will-change: transform;
}

/* ── Loading Spinner ── */

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: var(--radius-full);
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Page Transition ── */

.page-enter {
  opacity: 0;
  animation: pageIn 0.5s var(--ease-out-expo) forwards;
}

@keyframes pageIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Marquee (partners) ── */

.marquee {
  overflow: hidden;
  position: relative;
}

.marquee::before,
.marquee::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 80px;
  z-index: var(--z-base);
  pointer-events: none;
}

.marquee::before {
  left: 0;
  background: linear-gradient(90deg, var(--blanc-casse), transparent);
}

.marquee::after {
  right: 0;
  background: linear-gradient(-90deg, var(--blanc-casse), transparent);
}

.marquee__track {
  display: flex;
  gap: var(--space-xl);
  animation: marqueeScroll 30s linear infinite;
  width: max-content;
}

@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ── Hover Underline ── */

.hover-line {
  position: relative;
  display: inline;
}

.hover-line::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: currentColor;
  transition: width var(--duration-base) var(--ease-out-expo);
}

.hover-line:hover::after {
  width: 100%;
}