*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #08090f;
  --surface:  #10121c;
  --border:   #1c1e2e;
  --teal:     #5DF2E0;
  --blue:     #1966FF;
  --purple:   #5E29E5;
  --magenta:  #BB0FD2;
  --text:     #e8eaf0;
  --muted:    #7880a0;
  --radius:   12px;
  --gradient: linear-gradient(135deg, #BB0FD2 0%, #5E29E5 50%, #1966FF 100%);
}

html, body {
  height: 100%;
  background-color: var(--bg);
  background-image:
    linear-gradient(to bottom, transparent 0%, rgba(8,9,15,0.80) 50%, rgba(8,9,15,1) 72%),
    url('wave1.png');
  background-size: cover, cover;
  background-position: center top, center top;
  background-attachment: fixed, fixed;
  background-repeat: no-repeat, no-repeat;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

/* top gradient accent bar */
body::before {
  content: '';
  display: block;
  height: 3px;
  background: var(--gradient);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2.5rem 1.25rem 2rem;
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
}

/* ── header ─────────────────────────────────────────────────── */

.header {
  text-align: center;
}

.logo {
  display: inline-block;
  width: 56px;
  height: 56px;
  margin-bottom: 1rem;
}

.headline {
  font-size: clamp(1.4rem, 3.5vw, 2rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--text);
}

/* ── video ───────────────────────────────────────────────────── */

.main {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.video-card {
  position: relative;
  width: 100%;
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0,0,0,0.6), 0 0 0 1px var(--border);
}

/* 16:9 */
.video-card.regular {
  max-width: 800px;
  aspect-ratio: 16 / 9;
}

/* 9:16 — Shorts */
.video-card.short {
  max-width: 360px;
  aspect-ratio: 9 / 16;
}

.thumb-link {
  display: block;
  position: absolute;
  inset: 0;
}

.thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: rgba(0, 0, 0, 0.25);
  transition: background 0.2s;
}

.thumb-link:hover .play-overlay  { background: rgba(0, 0, 0, 0.08); }

.play-icon {
  width: 72px;
  height: auto;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.5));
  transition: transform 0.15s;
}

.thumb-link:hover .play-icon { transform: scale(1.08); }

.watch-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: #fff;
  background: rgba(0,0,0,0.55);
  border-radius: 100px;
  padding: 4px 12px;
  letter-spacing: 0.03em;
  backdrop-filter: blur(4px);
}

.video-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  color: var(--muted);
  font-size: 0.9rem;
}

/* ── metadata ────────────────────────────────────────────────── */

.segment-meta {
  width: 100%;
  max-width: 800px;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.keyword {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  color: var(--teal);
  background: color-mix(in srgb, var(--teal) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--teal) 22%, transparent);
  border-radius: 100px;
  padding: 2px 10px;
}

.excerpt {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.6;
  font-style: italic;
  max-width: 70ch;
}

/* ── footer ──────────────────────────────────────────────────── */

.footer {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.next-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--gradient);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: 100px;
  padding: 0.65rem 1.5rem;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.15s;
}

.next-btn:hover  { opacity: 0.88; }
.next-btn:active { transform: scale(0.97); }

.arrow { display: inline-block; transition: transform 0.15s; }
.next-btn:hover .arrow { transform: translateX(3px); }

.counter {
  font-size: 0.8rem;
  color: var(--muted);
}

/* ── fade transition ─────────────────────────────────────────── */

.video-card {
  transition: opacity 0.25s ease;
}

.video-card.fading {
  opacity: 0;
}