/* ===================================================================
   custom-ui.css — signature effects, animations, glass, scroll reveals
   =================================================================== */

/* ---------- Preloader ---------- */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s var(--ease), visibility 0.6s var(--ease);
}
.preloader.is-hidden { opacity: 0; visibility: hidden; }
.preloader__badge {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--text-muted);
}
.preloader__pulse {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--gold);
  animation: pulseDot 1s ease-in-out infinite;
}
@keyframes pulseDot {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 var(--gold-dim); }
  50% { transform: scale(1.3); box-shadow: 0 0 0 8px transparent; }
}

/* ---------- Scroll reveal ---------- */
.reveal-up {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}
/* Stagger children within a common container when they carry data-stagger */
.hero__copy .reveal-up:nth-child(1) { transition-delay: 0.02s; }
.hero__copy .reveal-up:nth-child(2) { transition-delay: 0.1s; }
.hero__copy .reveal-up:nth-child(3) { transition-delay: 0.18s; }
.hero__copy .reveal-up:nth-child(4) { transition-delay: 0.26s; }
.hero__copy .reveal-up:nth-child(5) { transition-delay: 0.34s; }

/* ---------- ID Badge (signature hero element) ---------- */
.hero__visual { position: relative; display: flex; justify-content: center; }

.id-badge {
  position: relative;
  width: 100%;
  max-width: 400px;
  background: linear-gradient(165deg, var(--surface) 0%, var(--surface-2) 100%);
  border: 1px solid var(--border-strong);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transform: perspective(900px) rotateY(-6deg) rotateX(2deg);
  transition: transform 0.5s var(--ease);
}
.hero__visual:hover .id-badge { transform: perspective(900px) rotateY(0deg) rotateX(0deg); }

.id-badge__scanline {
  position: absolute;
  left: 0; right: 0;
  height: 90px;
  background: linear-gradient(180deg, transparent, rgba(87, 198, 217, 0.14), transparent);
  animation: scan 3.4s linear infinite;
  pointer-events: none;
}
@keyframes scan {
  0% { top: -100px; }
  100% { top: 105%; }
}

.id-badge__strip {
  background: var(--surface-3);
  padding: 10px 22px;
  border-bottom: 1px dashed var(--border-strong);
}
.id-badge__strip span {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.14em;
  color: var(--text-faint);
}

.id-badge__body { padding: 26px 26px 30px; }

.id-badge__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.id-badge__chip {
  width: 30px; height: 22px;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--gold), #C77E1E);
  display: block;
  position: relative;
}
.id-badge__chip::before {
  content: "";
  position: absolute; inset: 3px;
  border: 1px solid rgba(20,16,10,0.35);
  border-radius: 2px;
}
.id-badge__status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--green);
}
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px var(--green-dim);
  animation: pulseDot 1.6s ease-in-out infinite;
}

.id-badge__id { display: flex; align-items: center; gap: 16px; margin-bottom: 22px; }
.id-badge__avatar {
  width: 58px; height: 58px;
  border-radius: 14px;
  background: var(--gold-dim);
  border: 1px solid var(--gold);
  color: var(--gold);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.id-badge__fields { display: flex; flex-direction: column; gap: 2px; }
.id-badge__fields .field-value { font-family: var(--font-display); font-size: 1.05rem; }

.id-badge__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 12px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.id-badge__barcode {
  margin-top: 22px;
  height: 30px;
  background-image: repeating-linear-gradient(
    90deg,
    var(--text-faint) 0px, var(--text-faint) 2px,
    transparent 2px, transparent 5px,
    var(--text-faint) 5px, var(--text-faint) 6px,
    transparent 6px, transparent 10px
  );
  opacity: 0.4;
  border-radius: 3px;
}

.id-badge__glow {
  position: absolute;
  inset: -40px;
  background: radial-gradient(circle at 50% 40%, var(--gold-dim), transparent 65%);
  z-index: -1;
  filter: blur(10px);
}

/* ---------- Card animations on scroll (applied via JS by toggling class) ---------- */
.platform-card, .cap-card, .cert-badge, .timeline__entry {
  will-change: transform;
}

/* ---------- Nodes canvas host ---------- */
.bg-nodes canvas { display: block; width: 100%; height: 100%; }

/* ---------- Filter transition ---------- */
.cap-card {
  transition: transform var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease), opacity 0.3s var(--ease);
}

/* ---------- Progress ring for counters (subtle underline sweep) ---------- */
.meta-item {
  position: relative;
  padding-bottom: 10px;
}
.meta-item::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--gold), transparent);
  transition: width 1.2s var(--ease);
}
.meta-item.is-counted::after { width: 70%; }

/* ---------- Mouse-follow tilt for platform cards ---------- */
.platform-card { transform-style: preserve-3d; }

/* ---------- Toast success pulse ---------- */
.copy-btn.is-copied svg { animation: pop 0.3s var(--ease); }
@keyframes pop { 50% { transform: scale(1.3); } }

/* ---------- Light theme adjustments ---------- */
[data-theme="light"] .bg-grid { opacity: 0.35; }
[data-theme="light"] .id-badge__scanline { background: linear-gradient(180deg, transparent, rgba(20,123,140,0.12), transparent); }
[data-theme="light"] .brand__mark { background: var(--surface-2); }

/* ---------- Reduced motion overrides for signature pieces ---------- */
@media (prefers-reduced-motion: reduce) {
  .id-badge__scanline, .status-dot, .preloader__pulse, .scroll-cue { animation: none !important; }
}

/* ---------- Small helper: glass panel used sparingly ---------- */
.glass {
  background: color-mix(in srgb, var(--surface) 70%, transparent);
  backdrop-filter: blur(10px);
}