/* Deck viewer - the pitch deck under the hero.
   Preserve-mode addition: every color, radius, shadow and font is a token
   from tokens.css. One accent (cobalt), card radius scale, tinted shadows. */

.deck-section { padding-top: var(--s-7, 48px); }

.deck-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.deck-head h2 { margin: 0; }
.deck-download {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 13px;
  color: var(--cobalt-deep);
  text-decoration: none;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-ctl);
  padding: 8px 14px;
  white-space: nowrap;
  transition: border-color .2s ease, background-color .2s ease;
}
.deck-download:hover { border-color: var(--cobalt); background: var(--cobalt-wash); }
.deck-download:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.deck-download:active { transform: translateY(1px); }

.deck-viewer { position: relative; }

.deck-track {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  border-radius: var(--r-stage);
  border: 1px solid var(--border);
  box-shadow: var(--e-2);
  background: var(--ink-strong);
}
.deck-track::-webkit-scrollbar { display: none; }
.deck-track:focus-visible { outline: none; box-shadow: var(--focus-ring), var(--e-2); }

.deck-slide {
  flex: 0 0 100%;
  margin: 0;
  scroll-snap-align: start;
  scroll-snap-stop: always;
}
.deck-slide img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
}

/* Arrows: shown for pointer/hover devices; touch users swipe. */
.deck-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  border-radius: var(--r-pill);
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: var(--e-1);
  transition: border-color .2s ease, background-color .2s ease;
}
@media (hover: hover) and (pointer: fine) {
  .deck-arrow { display: flex; }
}
.deck-arrow:hover { border-color: var(--cobalt); background: #fff; }
.deck-arrow:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.deck-arrow:active { transform: translateY(-50%) scale(0.96); }
.deck-arrow.prev { left: 14px; }
.deck-arrow.next { right: 14px; }
.deck-arrow[disabled] { opacity: 0.35; cursor: default; }
.deck-arrow[disabled]:hover { border-color: var(--border-strong); background: rgba(255,255,255,0.92); }

/* Dots: functional pagination controls. */
.deck-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 14px;
}
.deck-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--r-pill);
  border: none;
  padding: 0;
  background: var(--border-strong);
  cursor: pointer;
  transition: background-color .2s ease, transform .2s ease;
}
.deck-dot[aria-current="true"] {
  background: var(--cobalt);
  transform: scale(1.25);
}
.deck-dot:focus-visible { outline: none; box-shadow: var(--focus-ring); }

@media (max-width: 640px) {
  .deck-track { border-radius: var(--r-card); }
  .deck-arrow { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .deck-download, .deck-arrow, .deck-dot { transition: none; }
}