/* ============================================================
   motion.css — Animations, transitions, scroll reveals
   ============================================================ */

/* ── Entrance: Staggered hero sequence ── */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes revealClip {
  from { clip-path: inset(0 100% 0 0); }
  to   { clip-path: inset(0 0% 0 0); }
}

@keyframes drawLine {
  from { transform: scaleX(0); transform-origin: left; }
  to   { transform: scaleX(1); transform-origin: left; }
}

/* ── Hero stagger ── */
.hero-eyebrow  { animation: fadeUp var(--t-enter) var(--ease-out) 0.1s both; }
.hero-headline { animation: fadeUp var(--t-enter) var(--ease-out) 0.25s both; }
.hero-lead     { animation: fadeUp var(--t-enter) var(--ease-out) 0.4s both; }
.hero-cta-row  { animation: fadeUp var(--t-enter) var(--ease-out) 0.55s both; }

/* ── Scroll reveal: base state ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity var(--t-slow) var(--ease-out),
    transform var(--t-slow) var(--ease-out);
}

.reveal--clip {
  opacity: 0;
  clip-path: inset(0 100% 0 0);
  transition:
    opacity var(--t-slow) var(--ease-out),
    clip-path var(--t-slow) var(--ease-out);
}

.reveal--scale {
  opacity: 0;
  transform: scale(0.96);
  transition:
    opacity var(--t-slow) var(--ease-out),
    transform var(--t-slow) var(--ease-out);
}

/* ── Visible state ── */
.reveal.is-visible,
.reveal--clip.is-visible,
.reveal--scale.is-visible {
  opacity: 1;
  transform: none;
  clip-path: inset(0 0% 0 0);
}

/* Stagger children */
.reveal-group .reveal:nth-child(1) { transition-delay: 0ms; }
.reveal-group .reveal:nth-child(2) { transition-delay: 80ms; }
.reveal-group .reveal:nth-child(3) { transition-delay: 160ms; }
.reveal-group .reveal:nth-child(4) { transition-delay: 240ms; }
.reveal-group .reveal:nth-child(5) { transition-delay: 320ms; }

/* ── Hover: Button shine effect ── */
.btn--primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255,255,255,0.25) 50%,
    transparent 100%
  );
  transition: left var(--t-slow) var(--ease-out);
  pointer-events: none;
}

.btn--primary:hover::before {
  left: 150%;
}

/* ── Hover: Tile border accent ── */
.tile {
  transition:
    border-color var(--t-mid) var(--ease-sharp),
    box-shadow var(--t-mid) var(--ease-sharp);
}

.tile:hover {
  border-color: var(--border-accent);
  box-shadow: 0 0 0 1px var(--border-accent);
}

/* ── Accent bar animation ── */
.accent-bar {
  animation: drawLine 0.6s var(--ease-out) 0.8s both;
}

/* ── Nav link underline reveal ── */
.bottom-nav__links a {
  position: relative;
}

.bottom-nav__links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  right: 0;
  height: 1.5px;
  background: var(--brand-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-mid) var(--ease-out);
}

.bottom-nav__links a:hover::after {
  transform: scaleX(1);
}

/* ── Logo mark spin on hover ── */
.brand-wordmark:hover .brand-mark {
  transition: background var(--t-fast) var(--ease-sharp),
              transform 0.3s var(--ease-out);
}

/* ── Magnetic button JS vars ── */
.magnetic-btn {
  transition:
    transform 0.4s var(--ease-out),
    box-shadow var(--t-mid) var(--ease-sharp);
}

/* ── Floating deco-quot breathing ── */
@keyframes floatQuot {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

.deco-quot--tl {
  animation: floatQuot 8s ease-in-out infinite;
}

/* ── Reduced motion override ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal,
  .reveal--clip,
  .reveal--scale {
    opacity: 1;
    transform: none;
    clip-path: none;
  }
}