@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;700&family=Instrument+Serif:ital@0;1&display=swap');

:root {
  --slides-bg: #0b1220;
  --slides-fg: #f1f5f9;
  --slides-muted: #94a3b8;
  --slides-accent: #38bdf8;
  --slides-panel: rgba(15, 23, 42, 0.55);
}

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

html, body.slides-body {
  height: 100%;
}

.slides-body {
  font-family: 'DM Sans', system-ui, sans-serif;
  background:
    radial-gradient(ellipse at 20% 10%, rgba(56, 189, 248, 0.18), transparent 50%),
    radial-gradient(ellipse at 80% 90%, rgba(14, 165, 233, 0.12), transparent 45%),
    var(--slides-bg);
  color: var(--slides-fg);
  overflow: hidden;
}

.slides-deck {
  height: calc(100vh - 52px);
  outline: none;
  position: relative;
}

.slide {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 4vh 8vw;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.slide.is-active {
  display: flex;
  opacity: 1;
  transform: translateY(0);
}

.slide-inner {
  max-width: min(1100px, 92vw);
  width: 100%;
}

.slide-title {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: clamp(1.85rem, 4.5vw, 3rem);
  font-weight: 400;
  line-height: 1.1;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.slide-brand {
  margin: 0 0 0.75rem;
}

.slide-brand img {
  display: block;
  width: min(240px, 48vw);
  height: auto;
  filter: drop-shadow(0 6px 16px rgba(99, 102, 241, 0.3));
}

.slide-hero .slide-brand img {
  width: min(280px, 52vw);
}

.slide-body {
  font-size: clamp(0.95rem, 1.6vw, 1.2rem);
  line-height: 1.45;
  color: var(--slides-muted);
}

.slide-body p {
  margin-bottom: 0.65rem;
  max-width: 62ch;
}

.slide-body .slide-label {
  margin-top: 0.85rem;
  margin-bottom: 0.35rem;
  color: var(--slides-accent);
  font-size: 0.95em;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.slide-body strong {
  color: var(--slides-fg);
  font-weight: 700;
}

.slide-shot {
  margin: 0.75rem 0 0;
}

.slide-shot img {
  display: block;
  width: 100%;
  max-height: min(52vh, 520px);
  object-fit: cover;
  object-position: top center;
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.25);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
  background: #020617;
}

.slide-shot figcaption {
  margin-top: 0.45rem;
  font-size: 0.85rem;
  color: var(--slides-muted);
  opacity: 0.8;
}

.slide-body ul {
  list-style: none;
  display: grid;
  gap: 0.55rem;
  margin-bottom: 0.85rem;
}

.slide-body li {
  position: relative;
  padding-left: 1.4rem;
  color: var(--slides-fg);
}

.slide-body li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--slides-accent);
  transform: translateY(-50%);
}

.slides-chrome {
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.25rem;
  border-top: 1px solid rgba(148, 163, 184, 0.2);
  background: var(--slides-panel);
  backdrop-filter: blur(10px);
  font-size: 0.85rem;
  color: var(--slides-muted);
}

.slides-home {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--slides-accent);
  text-decoration: none;
  font-weight: 500;
}

.slides-chrome-logo {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  filter: drop-shadow(0 0 8px rgba(99, 102, 241, 0.45));
}

.slides-home:hover {
  text-decoration: underline;
}

.slides-progress {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.slides-version {
  opacity: 0.7;
}

.slides-hint {
  opacity: 0.55;
}

@media (max-width: 640px) {
  .slides-hint {
    display: none;
  }
  .slide {
    padding: 3vh 6vw;
  }
}