:root {
  --bg: #0a0e1a;
  --bg2: #10182d;
  --ink: #f5f5f7;
  --muted: rgba(245, 245, 247, 0.72);
  --line: rgba(255, 255, 255, 0.10);
  --accent: #5ac8fa;
  --accent2: #8b7cff;
  --warn: #fbbf24;
  --good: #86efac;
  --bad: #fb7185;
  --slide-width: 1920;
  --slide-height: 1080;
}

html,
body {
  margin: 0;
  background: #030712;
  color: var(--ink);
  overflow: hidden;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
}

body {
  background-image:
    radial-gradient(circle at 15% 10%, rgba(90, 200, 250, 0.12), transparent 24%),
    radial-gradient(circle at 80% 20%, rgba(139, 124, 255, 0.10), transparent 28%),
    radial-gradient(circle at 75% 78%, rgba(90, 200, 250, 0.08), transparent 22%);
}

.deck-shell {
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.deck-scale {
  width: 1920px;
  height: 1080px;
  transform-origin: center center;
}

.slide {
  width: 1920px;
  height: 1080px;
  position: relative;
  overflow: hidden;
  display: none;
  background: linear-gradient(180deg, rgba(16, 24, 45, 0.97), rgba(10, 14, 26, 0.98));
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.45);
}

.slide.active {
  display: block;
}

.grain::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, black, transparent 90%);
  pointer-events: none;
}

.eyebrow,
.note,
.footer-note,
.chip {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow {
  font-size: 22px;
  color: var(--accent);
}

.note,
.footer-note {
  font-size: 15px;
  color: rgba(245, 245, 247, 0.55);
}

.topbar {
  position: absolute;
  top: 72px;
  left: 96px;
  right: 96px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}

.topbar > :first-child {
  justify-self: start;
  text-align: left;
}

.topbar > :nth-child(2) {
  justify-self: center;
  text-align: center;
}

.topbar > :last-child {
  justify-self: end;
  text-align: right;
}

.footer-note {
  letter-spacing: 0.14em;
  position: absolute;
  left: 96px;
  bottom: 72px;
  text-align: left;
}

.muted {
  color: var(--muted);
}

.accent {
  color: var(--accent);
}

.panel {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.10);
  backdrop-filter: blur(8px);
}

.h-hero {
  font-size: 166px;
  line-height: 0.9;
  letter-spacing: -0.06em;
  font-weight: 900;
}

.h-xl {
  font-size: 118px;
  line-height: 0.94;
  letter-spacing: -0.05em;
  font-weight: 900;
}

.h-lg {
  font-size: 88px;
  line-height: 0.98;
  letter-spacing: -0.04em;
  font-weight: 850;
}

.h-md {
  font-size: 68px;
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-weight: 850;
}

.body-lg {
  font-size: 34px;
  line-height: 1.32;
}

.body-md {
  font-size: 28px;
  line-height: 1.36;
}

.body-sm {
  font-size: 24px;
  line-height: 1.38;
}

.mono,
.code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.code {
  font-size: 20px;
  line-height: 1.45;
  white-space: pre-wrap;
}

.bullet-lg {
  font-size: 42px;
  line-height: 1.3;
  color: var(--muted);
  list-style-type: disc;
  padding-left: 2rem;
}

.chip {
  display: inline-block;
  padding: 10px 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  font-size: 15px;
  color: rgba(245, 245, 247, 0.85);
}

.stack > * + * {
  margin-top: 16px;
}

.img-shadow {
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
}

.img-border {
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.link {
  color: #8bd6ff;
  text-decoration: underline;
  text-decoration-color: rgba(139, 214, 255, 0.35);
}

.speaker-notes {
  display: none;
}

.nav {
  position: fixed;
  right: 22px;
  bottom: 16px;
  color: rgba(245, 245, 247, 0.4);
  font: 13px ui-monospace, monospace;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
