body.deck { overflow: hidden; height: 100vh; height: 100dvh; }

.slide {
  --horizon: 0.52;
  position: fixed; inset: 0;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 88px var(--gutter) 108px;
  background: var(--paper); color: var(--fg);
  opacity: 0; visibility: hidden;
  transition: opacity .5s cubic-bezier(.16, 1, .3, 1), visibility .5s;
}
@media (prefers-reduced-motion: reduce) { .slide { transition: none; } }
.slide.active { opacity: 1; visibility: visible; }
.slide.dark { background: var(--charcoal); }
.slide .bg { position: absolute; inset: 0; z-index: 0; }
.slide .bg img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 48%; display: block; filter: saturate(.78) contrast(1.04) brightness(.96); }
.slide.photo::after { content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: linear-gradient(to bottom, rgba(21,22,26,.34) 0%, rgba(21,22,26,0) 26%, rgba(21,22,26,.28) 50%, rgba(21,22,26,.78) 72%, rgba(21,22,26,.94) 100%); }
.slide .inner { position: relative; z-index: 1; max-width: var(--maxw); width: 100%; margin: 0 auto; }
.slide canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }

.slide h1 { font-size: clamp(56px, 10vw, 160px); font-weight: 600; letter-spacing: -0.03em; line-height: .86; }
.slide h2 { font-size: clamp(36px, 5.6vw, 88px); font-weight: 500; letter-spacing: -0.03em; line-height: 1; max-width: 13em; }
.slide .huge { font-size: clamp(64px, 12vw, 200px); font-weight: 600; letter-spacing: -0.03em; line-height: .86; }
.slide p { margin-top: 24px; font-size: clamp(18px, 1.7vw, 23px); color: var(--muted); max-width: 32em; }
.slide .button { margin-top: 32px; }

.list { list-style: none; margin-top: 40px; border-top: 1px solid var(--line); max-width: 1100px; }
.list li { display: grid; grid-template-columns: minmax(160px, 260px) 1fr; gap: var(--gutter); padding: 20px 0; border-bottom: 1px solid var(--line); }
.list b { font-weight: 500; font-size: clamp(20px, 2vw, 28px); letter-spacing: -0.015em; }
.list span { color: var(--muted); font-size: clamp(16px, 1.4vw, 19px); max-width: 36em; }

.slide .figure { border: 0; margin-top: 8px; max-width: 1100px; }

.slide .ways { display: grid; grid-template-columns: 1fr 1fr 1.3fr; gap: 0 var(--gutter); margin-top: 48px; max-width: 1200px; }
.slide .ways h3 { font-size: clamp(20px, 2vw, 30px); font-weight: 500; letter-spacing: -0.015em; }
.slide .ways p { margin-top: 12px; font-size: clamp(15px, 1.35vw, 20px); max-width: 26em; }
.slide .ways .us p { color: var(--fg); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.slide.tiles-slide { padding: 0; display: block; }
.slide .tiles { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; gap: 4px; height: 100vh; height: 100svh; background: var(--charcoal); }
.slide .tiles figure { position: relative; margin: 0; overflow: hidden; color: #f1f1ec; background: #0b0d0f; }
.slide .tiles img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: saturate(.55) contrast(1.05) brightness(.8); }
.slide .tiles figure::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,.84) 0%, rgba(0,0,0,.4) 42%, rgba(0,0,0,0) 72%); }
.slide .tiles figcaption { position: absolute; left: 0; right: 0; bottom: 0; z-index: 1; padding: 0 clamp(24px, 3vw, 44px) clamp(28px, 3vw, 44px); }
.slide .tiles figure:nth-child(n+3) figcaption { padding-bottom: 84px; }
.slide .ways-tiles { grid-template-columns: repeat(3, 1fr); grid-template-rows: 1fr; }
.slide .ways-tiles figcaption { padding-bottom: 84px; }
.slide .ways-tiles .us figcaption span { color: #f1f1ec; }
.slide .tiles figcaption small { display: block; margin-bottom: 12px; font-family: var(--mono); font-size: 13px; color: #c7cac4; }
.slide .ways-tiles .us figcaption small { color: var(--signal); }
.slide .tiles figcaption b { display: block; font-size: clamp(24px, 2.6vw, 38px); font-weight: 500; letter-spacing: -0.02em; line-height: 1.05; }
.slide .tiles figcaption span { display: block; margin-top: 10px; color: #c7cac4; max-width: 28em; font-size: clamp(14px, 1.2vw, 17px); line-height: 1.4; }
.slide .small { font-size: 14px; margin-top: 36px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.deck-ui {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 5;
  display: flex; justify-content: space-between; align-items: center;
  padding: 0 var(--gutter); height: 68px;
  font-size: 14px; color: var(--muted);
  transition: color .3s;
}
.deck-ui a { text-decoration: none; color: var(--fg); }
.deck-ui .brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 16px; letter-spacing: -0.015em; }
.deck-ui .brand svg { width: 22px; height: 22px; }
.deck-ui a:hover { text-decoration: underline; }
.deck-ctrl { display: flex; align-items: center; gap: 20px; }
.deck-ctrl button { background: none; border: 0; color: var(--fg); font-family: var(--mono); font-size: 12px; font-weight: 500; text-transform: uppercase; letter-spacing: .08em; cursor: pointer; padding: 14px 2px; }
.deck-ctrl button:hover:not(:disabled) { text-decoration: underline; text-underline-offset: 4px; }
.deck-ctrl button:disabled { opacity: .35; cursor: default; }
.deck-ctrl span { font-family: var(--mono); font-size: 12px; letter-spacing: .04em; }
body.on-dark .deck-ui { --fg: #f1f1ec; --muted: #9a9fa3; --line: rgba(241, 241, 236, 0.18); }
.deck-hint { color: inherit; }

@media (max-width: 760px) {
  .list li { grid-template-columns: 1fr; gap: 4px; }
  .slide .tiles { grid-template-columns: 1fr; grid-template-rows: repeat(4, 1fr); }
  .slide .ways-tiles { grid-template-rows: repeat(3, 1fr); }
  .slide .tiles figcaption span { display: none; }
  .slide.tiles-slide { padding: 0; overflow: hidden; }
  .slide .ways { grid-template-columns: 1fr; gap: 24px; margin-top: 28px; }
  .slide { padding-top: 64px; padding-bottom: 88px; overflow-y: auto; justify-content: flex-start; }
  .deck-hint { display: none; }
  .deck-ui { background: var(--paper); border-top: 1px solid var(--line); height: 60px; }
  body.on-dark .deck-ui { background: var(--charcoal); }
  .slide:has(canvas) { justify-content: flex-end; }
}

@media print {
  @page { size: 1280px 720px; margin: 0; }
  body.deck { overflow: visible; height: auto; }
  .slide { position: relative; opacity: 1; visibility: visible; width: 1280px; height: 720px; break-after: page; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .slide .figure .landscape { display: block; }
  .slide .figure .portrait { display: none; }
  .deck-ui { display: none; }
}
body.no-fade .slide { transition: none; }