/* ─── SCROLL REVEAL ─────────────────────────────────────────────────────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.65s var(--ease-out),
    transform 0.65s var(--ease-out);
}
[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered children */
[data-reveal-stagger] > * {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.55s var(--ease-out),
    transform 0.55s var(--ease-out);
}
[data-reveal-stagger].revealed > *:nth-child(1) { transition-delay: 0ms; }
[data-reveal-stagger].revealed > *:nth-child(2) { transition-delay: 80ms; }
[data-reveal-stagger].revealed > *:nth-child(3) { transition-delay: 160ms; }
[data-reveal-stagger].revealed > *:nth-child(4) { transition-delay: 240ms; }
[data-reveal-stagger].revealed > *:nth-child(5) { transition-delay: 320ms; }
[data-reveal-stagger].revealed > *:nth-child(6) { transition-delay: 400ms; }
[data-reveal-stagger].revealed > *:nth-child(7) { transition-delay: 480ms; }
[data-reveal-stagger].revealed > *:nth-child(8) { transition-delay: 560ms; }
[data-reveal-stagger].revealed > *:nth-child(9) { transition-delay: 640ms; }
[data-reveal-stagger].revealed > * { opacity: 1; transform: translateY(0); }

/* Slide from left */
[data-reveal="left"] {
  opacity: 0;
  transform: translateX(-24px);
}
[data-reveal="left"].revealed {
  opacity: 1;
  transform: translateX(0);
}

/* ─── KEYFRAMES ─────────────────────────────────────────────────────────────── */
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.7); }
}

@keyframes scroll-pulse {
  0%   { transform: scaleY(1); opacity: 0.6; }
  50%  { transform: scaleY(0.6); opacity: 0.2; }
  100% { transform: scaleY(1); opacity: 0.6; }
}

@keyframes marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Architecture flow — vertical (mobile) */
@keyframes data-flow-v {
  0%   { top: -40%; opacity: 0; }
  15%  { opacity: 1; }
  85%  { opacity: 1; }
  100% { top: 140%; opacity: 0; }
}

/* Architecture flow — horizontal (desktop) */
@keyframes data-flow-h {
  0%   { left: -40%; opacity: 0; }
  15%  { opacity: 1; }
  85%  { opacity: 1; }
  100% { left: 140%; opacity: 0; }
}

/* Glow pulse on hover */
@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 12px var(--blue-glow); }
  50%       { box-shadow: 0 0 28px var(--blue-glow), 0 0 48px var(--blue-glow-lg); }
}

/* Hero entrance */
@keyframes hero-fade-up {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-eyebrow  { animation: hero-fade-up 0.8s var(--ease-out) 0.2s  both; }
.hero-name     { animation: hero-fade-up 0.8s var(--ease-out) 0.4s  both; }
.hero-headline { animation: hero-fade-up 0.8s var(--ease-out) 0.2s  both; }
.hero-tagline  { animation: hero-fade-up 0.8s var(--ease-out) 0.6s  both; }
.hero-ctas     { animation: hero-fade-up 0.8s var(--ease-out) 0.8s  both; }
.hero-badges   { animation: hero-fade-up 0.8s var(--ease-out) 1.0s  both; }
.hero-pill-cta { animation: hero-fade-up 0.8s var(--ease-out) 1.1s  both; }
.hero-scroll   { animation: hero-fade-up 0.8s var(--ease-out) 1.2s  both; }

/* ─── REDUCED MOTION ────────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  [data-reveal],
  [data-reveal-stagger] > *,
  [data-reveal="left"],
  .hero-eyebrow, .hero-name, .hero-headline, .hero-tagline, .hero-ctas,
  .hero-badges, .hero-pill-cta, .hero-scroll {
    animation: none;
    opacity: 1;
    transform: none;
    transition: none;
  }
  .strip-track { animation: none; }
  .arch-connector::after { animation: none; }
}