:root {
  --bg: #05050b;
  --ink: #f4f2ff;
  --muted: #a7a3c2;
  --line: rgba(255,255,255,0.1);
  --accent: #8b7cff;
  --cyan: #22d3ee;
  --pink: #f472b6;
  --good: #34d399;
  --bad: #fb7185;
  --font: Inter, system-ui, sans-serif;
  --display: "Space Grotesk", Inter, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  overflow: hidden;
}

.ambient { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
.orb {
  position: absolute; width: 42vw; height: 42vw; border-radius: 50%;
  filter: blur(80px); opacity: 0.35;
}
.orb-a { top: -12%; left: -8%; background: #4c3dff; }
.orb-b { right: -10%; bottom: -18%; background: #0ea5b7; }
.grid-fade {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at 50% 40%, black 20%, transparent 75%);
}

.deck-bar, .deck, .deck-nav, .hint, .progress, .notes-panel, .overview {
  position: relative; z-index: 2;
}

.deck-bar {
  position: fixed; top: 0; left: 0; right: 0;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px; gap: 16px;
  background: linear-gradient(to bottom, rgba(5,5,11,0.85), transparent);
}
.brand {
  font-family: var(--display); font-weight: 700; font-size: 1.2rem;
  color: inherit; text-decoration: none;
}
.brand span { color: var(--accent); }
.deck-meta { color: var(--muted); font-size: 0.82rem; display: flex; align-items: center; gap: 8px; }
.live-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--good);
  box-shadow: 0 0 0 4px rgba(52,211,153,0.15);
}
.deck-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.ghost {
  background: rgba(255,255,255,0.05); border: 1px solid var(--line);
  color: var(--ink); border-radius: 999px; padding: 7px 12px;
  font-size: 0.78rem; text-decoration: none; cursor: pointer;
}
.ghost:hover { border-color: var(--accent); }

.progress {
  position: fixed; top: 0; left: 0; right: 0; height: 3px; background: rgba(255,255,255,0.06); z-index: 5;
}
.progress i {
  display: block; height: 100%; width: 10%;
  background: linear-gradient(90deg, var(--accent), var(--cyan), var(--pink));
  transition: width 0.35s ease;
}

.deck {
  height: 100vh; outline: none;
}
.slide {
  display: none; height: 100vh; padding: 88px 7vw 96px;
  flex-direction: column; justify-content: center; gap: 22px;
  animation: rise 0.45s ease;
}
.slide.is-active { display: flex; }
@keyframes rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: none; }
}

.kicker {
  letter-spacing: 0.16em; text-transform: uppercase;
  font-size: 0.78rem; color: var(--cyan); font-weight: 700;
}
h1 {
  font-family: var(--display);
  font-size: clamp(2rem, 5.4vw, 4.4rem);
  line-height: 1.08; max-width: 18ch; font-weight: 700;
}
h1 em, .gradient, .big-quote em {
  font-style: normal;
  background: linear-gradient(135deg, #c4b5fd, #67e8f9, #f9a8d4);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lede { max-width: 62ch; color: #d8d5ef; font-size: clamp(1rem, 1.7vw, 1.28rem); line-height: 1.65; }
.points { margin-left: 1.1rem; color: var(--muted); display: grid; gap: 10px; font-size: 1.05rem; }
.points strong { color: var(--ink); }

.chip-row, .logo-cloud, .mini-stats { display: flex; flex-wrap: wrap; gap: 10px; }
.chip-row span, .logo-cloud span, .mini-stats span {
  border: 1px solid var(--line); border-radius: 999px; padding: 8px 14px;
  color: var(--muted); font-size: 0.88rem; background: rgba(255,255,255,0.03);
}

.speaker-card, .quote-card, .panel, .stat-grid article, .lms-card, .code {
  background: rgba(17,17,28,0.72);
  border: 1px solid var(--line);
  border-radius: 22px;
  backdrop-filter: blur(16px);
}
.speaker-card {
  display: flex; align-items: center; gap: 14px; padding: 12px 16px; width: fit-content;
}
.speaker-card img { width: 54px; height: 54px; object-fit: cover; border-radius: 50%; }
.speaker-card span { display: block; color: var(--muted); font-size: 0.85rem; }

.split, .who, .lms, .end-row { display: grid; gap: 28px; align-items: center; min-width: 0; }
.split { grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); }
.who { grid-template-columns: minmax(180px, 280px) minmax(0, 1fr); }
.lms { grid-template-columns: minmax(0, 1.2fr) minmax(240px, 0.8fr); }
.end-row { grid-template-columns: 1fr auto; align-items: center; }
.who-copy { min-width: 0; overflow: hidden; }

.quote-card, .lms-card { padding: 28px; }
.quote-card p, .big-quote {
  font-family: var(--display); font-size: clamp(1.4rem, 2.6vw, 2.1rem); line-height: 1.25;
}
.quote-card span, .big-quote small { display: block; margin-top: 12px; color: var(--muted); font-size: 0.95rem; }

.two-col, .stat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.stat-grid { grid-template-columns: repeat(3, 1fr); }
.panel, .stat-grid article { padding: 22px; }
.panel h3, .stat-grid h3 { font-family: var(--display); margin-bottom: 8px; }
.panel p, .stat-grid p { color: var(--muted); }
.panel.danger { border-color: rgba(251,113,133,0.35); }
.panel.win { border-color: rgba(52,211,153,0.35); }
.callout {
  border-left: 3px solid var(--accent); padding: 8px 0 8px 16px; color: #ddd9ff;
}

.photo img {
  width: 100%; height: min(38vh, 300px); object-fit: cover; border-radius: 22px;
  border: 1px solid var(--line);
}
.photo.wide img { height: 180px; }
.photo figcaption { color: var(--muted); font-size: 0.85rem; margin-top: 8px; }

.who-photo {
  width: 100%; height: min(42vh, 320px); object-fit: cover; border-radius: 28px;
  border: 1px solid var(--line); justify-self: center;
}
.metric-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 18px 0; }
.metric-row div {
  background: rgba(255,255,255,0.04); border: 1px solid var(--line); border-radius: 16px; padding: 14px;
}
.metric-row b { display: block; font-family: var(--display); font-size: 1.45rem; }
.metric-row span { color: var(--muted); font-size: 0.8rem; }

.code {
  padding: 22px; overflow: auto; font-family: var(--mono); font-size: 0.92rem; line-height: 1.7;
  color: #d6d3f5;
}
.cmt { color: #6b7280; } .kw { color: #c4b5fd; } .fn { color: #67e8f9; } .str { color: #f9a8d4; }

.cta {
  display: inline-flex; margin-top: 8px; background: linear-gradient(135deg, #7c6aff, #22d3ee);
  color: #081018; font-weight: 800; text-decoration: none; border-radius: 999px; padding: 14px 22px;
}
.url { font-family: var(--display); font-size: 2rem; color: var(--cyan); }
.next { display: grid; gap: 14px; max-width: 70ch; padding-left: 1.2rem; color: var(--muted); font-size: 1.12rem; }
.next a { color: var(--cyan); }

.deck-nav {
  position: fixed; right: 22px; bottom: 22px; display: flex; align-items: center; gap: 12px;
}
.deck-nav button {
  background: #fff; color: #111; border: 0; border-radius: 999px;
  padding: 12px 18px; font-weight: 700; cursor: pointer;
}
.count { color: var(--muted); font-variant-numeric: tabular-nums; }
.hint {
  position: fixed; left: 22px; bottom: 22px; color: #6b6788; font-size: 0.78rem;
}

.notes-panel {
  position: fixed; left: 22px; bottom: 62px; width: min(420px, 90vw);
  background: rgba(10,10,18,0.92); border: 1px solid var(--line); border-radius: 16px;
  padding: 16px; color: #d6d3ea;
}
.notes-panel[hidden] { display: none !important; }
.notes-panel h2 { font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--cyan); margin-bottom: 8px; }

.overview {
  position: fixed; inset: 0; background: rgba(5,5,11,0.92); overflow: auto;
  display: none; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px; padding: 80px 24px 24px; z-index: 8;
}
.overview:not([hidden]) { display: grid; }
.overview button {
  text-align: left; background: #12121c; color: var(--ink); border: 1px solid var(--line);
  border-radius: 16px; padding: 16px; cursor: pointer; min-height: 120px;
}
.overview button.active { border-color: var(--cyan); }

@media (max-width: 1100px) {
  .metric-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 980px) {
  .slide { padding: 86px 20px 120px; justify-content: flex-start; overflow: auto; }
  h1 { max-width: none; }
  .split, .who, .lms, .two-col, .stat-grid, .end-row, .metric-row { grid-template-columns: 1fr; }
  .photo img, .who-photo { height: 220px; width: 100%; }
  .deck-meta { display: none; }
  .hint { display: none; }
}