/* @voltilt/z-timeline — viewport, scene, 16:9 cards */

.vt-z-root {
  --vt-bg: #0b0f1a;
  --vt-surface: #141928;
  --vt-text: #e8ecf8;
  --vt-muted: #8b95b0;
  --vt-accent: #6d8dff;
  --vt-accent-soft: rgba(109, 141, 255, 0.16);
  --vt-gold: #ffcf6d;
  --vt-border: rgba(255, 255, 255, 0.16);
  --vt-perspective: 1100px;
}

.vt-z-scroll-proxy {
  width: 1px;
  height: 0;
  pointer-events: none;
}

.vt-z-viewport {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  perspective: var(--vt-perspective);
  overflow: hidden;
  background: var(--vt-bg);
  color: var(--vt-text);
}

.vt-z-scene-wrapper {
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  will-change: transform;
}

.vt-z-scene {
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  will-change: transform;
}

.vt-z-card {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(78vw, 720px);
  aspect-ratio: 16 / 9;
  background: var(--vt-surface);
  border: 1px solid var(--vt-border);
  border-radius: 18px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
  overflow: hidden;
  cursor: pointer;
  display: flex;
  color: inherit;
  font: inherit;
  text-align: left;
  padding: 0;
}

.vt-z-glare {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle at center,
    rgba(255, 255, 255, 0.28) 0%,
    rgba(255, 255, 255, 0.06) 28%,
    transparent 55%
  );
  opacity: 0.35;
  pointer-events: none;
  will-change: transform;
  z-index: 1;
}

.vt-z-card-content {
  position: relative;
  z-index: 2;
  flex: 1;
  min-height: 0;
  padding: clamp(18px, 3.4vw, 42px);
  display: flex;
  flex-direction: column;
  pointer-events: none;
}

.vt-z-card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--vt-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  flex-shrink: 0;
}

.vt-z-card-type {
  background: var(--vt-accent-soft);
  color: #b9c8ff;
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 600;
}

.vt-z-card-date {
  margin-left: auto;
}

.vt-z-card-content h2 {
  font-size: clamp(1.3rem, 3.2vw, 2.2rem);
  font-weight: 700;
  margin: 14px 0 8px;
  line-height: 1.15;
  flex-shrink: 0;
}

.vt-z-card-desc {
  color: #c3cbd9;
  font-size: clamp(0.85rem, 1.4vw, 1rem);
  line-height: 1.5;
  margin: 0;
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
}

.vt-z-empty {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: var(--vt-muted);
  z-index: 5;
}

.vt-hidden {
  display: none !important;
}

@media (prefers-reduced-motion: reduce) {
  .vt-z-scene-wrapper,
  .vt-z-scene,
  .vt-z-glare {
    will-change: auto;
  }
}