/* ============================================================
   ZIDOSOFT — ANIMATION LIBRARY
   Reveals, staggers, hero choreography, ambient motion.
   All animations respect prefers-reduced-motion.
   Optimized for LCP: hero words animate fast and cheap.
   ============================================================ */

/* ---------- SCROLL REVEALS ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity var(--dur-slow) var(--ease),
    transform var(--dur-slow) var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
  will-change: auto;
}

[data-reveal="fade"]  { transform: none; }
[data-reveal="left"]  { transform: translateX(-24px); }
[data-reveal="right"] { transform: translateX(24px); }
[data-reveal="scale"] { transform: scale(0.96); }

/* ---------- STAGGERED CHILDREN ---------- */
[data-reveal-stagger] > * {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 500ms var(--ease),
    transform 500ms var(--ease);
}

[data-reveal-stagger].revealed > * {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal-stagger].revealed > *:nth-child(1) { transition-delay: 0ms; }
[data-reveal-stagger].revealed > *:nth-child(2) { transition-delay: 60ms; }
[data-reveal-stagger].revealed > *:nth-child(3) { transition-delay: 120ms; }
[data-reveal-stagger].revealed > *:nth-child(4) { transition-delay: 180ms; }
[data-reveal-stagger].revealed > *:nth-child(5) { transition-delay: 240ms; }
[data-reveal-stagger].revealed > *:nth-child(6) { transition-delay: 300ms; }
[data-reveal-stagger].revealed > *:nth-child(7) { transition-delay: 360ms; }
[data-reveal-stagger].revealed > *:nth-child(8) { transition-delay: 420ms; }

/* ---------- HERO CHOREOGRAPHY (Grid Awakens) ---------- */
.hero-grid-anim {
  opacity: 0;
  transform: scale(1.04);
  animation: gridAwaken 1000ms var(--ease-out) 80ms forwards;
}

@keyframes gridAwaken {
  to { opacity: 1; transform: scale(1); }
}

.hero-word {
  display: inline-block;
  opacity: 0;
  transform: translateY(16px);
  animation: wordIn 500ms var(--ease-out) forwards;
  will-change: opacity, transform;
}

.hero-word:nth-child(1) { animation-delay: 100ms; }
.hero-word:nth-child(2) { animation-delay: 200ms; }
.hero-word:nth-child(3) { animation-delay: 300ms; }

@keyframes wordIn {
  to { opacity: 1; transform: translateY(0); }
}

.hero-sub {
  opacity: 0;
  transform: translateY(12px);
  animation: fadeUp 500ms var(--ease-out) 500ms forwards;
}

.hero-ctas {
  opacity: 0;
  transform: translateY(10px);
  animation: fadeUp 500ms var(--ease-out) 650ms forwards;
}

.hero-meta {
  opacity: 0;
  animation: fadeIn 500ms var(--ease-out) 800ms forwards;
}

@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { to { opacity: 1; } }

.hero-underline {
  display: block;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  transform: scaleX(0);
  transform-origin: left;
  animation: drawLine 500ms var(--ease-out) 550ms forwards;
  margin-top: var(--space-5);
  max-width: 320px;
}

@keyframes drawLine { to { transform: scaleX(1); } }

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

.link-underline::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 400ms var(--ease-out);
}

.link-underline:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* ---------- CAPABILITY CARD ---------- */
.capability-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.capability-card::before {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  height: 1px; width: 100%;
  background: linear-gradient(90deg, var(--accent), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 500ms var(--ease-out);
}

.capability-card:hover::before { transform: scaleX(1); }

.capability-card .cap-subservices {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  margin-top: 0;
  transition:
    max-height 500ms var(--ease-out),
    opacity 300ms var(--ease) 100ms,
    margin-top 500ms var(--ease-out);
}

.capability-card:hover .cap-subservices,
.capability-card:focus-within .cap-subservices {
  max-height: 240px;
  opacity: 1;
  margin-top: var(--space-4);
}

.capability-card .cap-arrow {
  display: inline-block;
  transition: transform 300ms var(--ease-out);
}

.capability-card:hover .cap-arrow { transform: translateX(6px); }

/* ---------- COUNTERS ---------- */
[data-count] {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

/* ---------- STATUS PULSE DOT ---------- */
.status-dot {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.status-dot .pulse-wrap {
  position: relative;
  width: 8px;
  height: 8px;
}

.status-dot .pulse-core {
  position: absolute;
  inset: 0;
  background: var(--success);
  border-radius: 50%;
}

.status-dot .pulse-ring {
  position: absolute;
  inset: 0;
  background: var(--success);
  border-radius: 50%;
  animation: statusPulse 2400ms ease-out infinite;
}

@keyframes statusPulse {
  0%   { transform: scale(1);   opacity: 0.7; }
  100% { transform: scale(2.6); opacity: 0; }
}

/* ---------- PAGE TRANSITIONS (View Transitions API) ---------- */
@view-transition {
  navigation: auto;
}

::view-transition-old(root) {
  animation: fadeOut 180ms var(--ease);
}

::view-transition-new(root) {
  animation: fadeIn 280ms var(--ease-out);
}

@keyframes fadeOut { to { opacity: 0; } }

/* ---------- REDUCED MOTION ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal],
  [data-reveal-stagger] > * {
    opacity: 1 !important;
    transform: none !important;
  }
  .hero-word,
  .hero-sub,
  .hero-ctas,
  .hero-meta,
  .hero-underline,
  .hero-grid-anim {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }
}