/* ============================================================
   SLIDE 1 — TITLE
   ============================================================ */
.s-title {
  background:
    radial-gradient(1200px 700px at 80% 30%, rgba(123,63,191,0.35), transparent 60%),
    radial-gradient(900px 600px at 15% 85%, rgba(240,42,90,0.20), transparent 60%),
    var(--bg);
}
.s-title .stack {
  position: absolute;
  inset: 0;
  padding: 130px var(--pad-x) 130px var(--pad-x);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.s-title .meta-top {
  display: flex;
  align-items: center;
  gap: 20px;
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--type-mono);
  color: var(--fg-dim);
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.s-title .meta-top .dt-logo-mark {
  height: 44px;
  width: auto;
  display: block;
}
.s-title .meta-top .spacer { flex: 1; }
.s-title .meta-top .sep-dot {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--fg-mute);
}
.s-title .meta-top .badge {
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 24px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.s-title .title-block { max-width: 1480px; }
.s-title h1 {
  font-size: 124px;
  line-height: 0.96;
  font-weight: 800;
  letter-spacing: -0.035em;
  margin: 0 0 36px 0;
  text-wrap: balance;
}
.s-title h1 .frag { color: var(--accent); }
.s-title h1 .frag2 { color: var(--accent-2); }
.s-title .subtitle {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--type-mono-lg);
  color: var(--fg-dim);
  letter-spacing: 0.02em;
  max-width: 1100px;
  line-height: 1.5;
}
.s-title .meta-bottom {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  font-family: 'JetBrains Mono', monospace;
}
.s-title .speaker { display: flex; flex-direction: column; gap: 8px; }
.s-title .speaker .name {
  font-family: 'Inter', sans-serif;
  font-size: 48px;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.02em;
}
.s-title .speaker .role {
  font-size: var(--type-mono);
  color: var(--fg-dim);
  white-space: nowrap;
}
.s-title .speaker .role .at { color: var(--accent-2); }
.s-title .event {
  text-align: right;
  font-size: var(--type-mono);
  color: var(--fg-dim);
  line-height: 1.6;
  white-space: nowrap;
}
.s-title .event .ev-name {
  color: var(--fg);
  font-size: var(--type-mono-lg);
  font-weight: 600;
}
.s-title .event .stage { color: var(--accent); }

/* Corner ticks */
.tick {
  position: absolute;
  width: 24px; height: 24px;
  border-color: var(--accent);
}
.tick.tl { top: 56px; left: 56px; border-top: 2px solid; border-left: 2px solid; }
.tick.tr { top: 56px; right: 56px; border-top: 2px solid; border-right: 2px solid; }
.tick.bl { bottom: 56px; left: 56px; border-bottom: 2px solid; border-left: 2px solid; }
.tick.br { bottom: 56px; right: 56px; border-bottom: 2px solid; border-right: 2px solid; }