/* diver.today — one page, five apps, nothing else. */

:root {
  --bg: #0b0f14;
  --bg-2: #10161d;
  --ink: #eef2f4;
  --dim: #9aa6ae;
  --rule: #1d242c;
  --accent: #4fd1c5;
  --accent-ink: #082124;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Inter, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img { display: block; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* Top bar */
.top {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  -webkit-backdrop-filter: saturate(160%) blur(18px);
  backdrop-filter: saturate(160%) blur(18px);
  border-bottom: 1px solid var(--rule);
}
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 56px; gap: 24px; }
.brand { font-weight: 600; letter-spacing: -0.01em; color: var(--ink); }
.brand b { color: var(--accent); font-weight: 600; }
.top nav { display: flex; gap: 22px; font-size: 14px; color: var(--dim); overflow-x: auto; white-space: nowrap; scrollbar-width: none; }
.top nav::-webkit-scrollbar { display: none; }
.top nav a:hover { color: var(--ink); }

/* Hero */
.hero { padding: 96px 0 56px; }
.hero h1 {
  font-size: clamp(40px, 7vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-weight: 650;
  margin: 0 0 22px;
  max-width: 14ch;
}
.hero p { font-size: clamp(18px, 2.2vw, 22px); color: var(--dim); max-width: 40ch; margin: 0 0 40px; }
.icons { list-style: none; margin: 0; padding: 0; display: flex; gap: 14px; flex-wrap: wrap; }
.icons a { display: block; border-radius: 22%; transition: transform .25s ease; }
.icons a:hover { transform: translateY(-3px); }
.icons img { width: 64px; height: 64px; border-radius: 22%; }

/* App sections */
.app { padding: 56px 0 24px; }
.app + .app { border-top: 1px solid var(--rule); }
.stage { position: relative; aspect-ratio: 16 / 9; background: var(--bg-2); overflow: hidden; }
.stage video, .stage img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.stage video { opacity: 0; transition: opacity .6s ease; }
.stage video.on { opacity: 1; }
.stage::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 18%;
  background: linear-gradient(to bottom, transparent, var(--bg));
  pointer-events: none;
}
.stage .play {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: 74px; height: 74px; border-radius: 50%; border: 0; cursor: pointer;
  background: color-mix(in srgb, var(--ink) 92%, transparent); color: var(--bg);
  display: none; align-items: center; justify-content: center;
}
.stage .play svg { width: 28px; height: 28px; margin-left: 4px; }
.stage.manual .play { display: flex; }

.meta { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 32px 64px; padding-top: 36px; padding-bottom: 32px; align-items: start; }
.title { display: flex; gap: 18px; align-items: center; }
.title img { width: 72px; height: 72px; border-radius: 22%; flex: none; }
.title h2 { margin: 0; font-size: 30px; line-height: 1.1; letter-spacing: -0.02em; font-weight: 650; }
.title p { margin: 4px 0 0; color: var(--dim); font-size: 16px; }
.blurb { margin: 0 0 22px; font-size: 18px; color: var(--ink); max-width: 56ch; }
.actions { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.store {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 20px; border-radius: 999px;
  background: var(--ink); color: var(--bg); font-weight: 600; font-size: 15px;
  transition: background .2s ease, transform .2s ease;
}
.store:hover { background: #fff; transform: translateY(-1px); }
.store.soon { background: transparent; color: var(--ink); border: 1px solid #3a444d; }
.store.soon:hover { background: var(--bg-2); }
.more { color: var(--dim); font-size: 15px; border-bottom: 1px solid var(--rule); padding-bottom: 1px; }
.more:hover { color: var(--ink); border-color: var(--dim); }
.note { margin: 14px 0 0; color: var(--dim); font-size: 14px; }

/* Footer */
footer { border-top: 1px solid var(--rule); padding: 40px 0 64px; color: var(--dim); font-size: 14px; }
footer .wrap { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
footer a:hover { color: var(--ink); }

@media (max-width: 760px) {
  .hero { padding: 64px 0 40px; }
  .meta { grid-template-columns: 1fr; gap: 20px; padding-top: 24px; padding-bottom: 20px; }
  .stage { aspect-ratio: 4 / 5; }
  .icons { gap: 11px; }
  .icons img { width: 56px; height: 56px; }
  .title img { width: 60px; height: 60px; }
  .title h2 { font-size: 26px; }
  .blurb { font-size: 17px; }
  .top nav { display: none; }
}

/* On a phone the bar scrolls away with the page. iOS Safari keeps its own address bar over the
   top of the screen and parks a sticky bar underneath it, a hand's width below the top edge, with
   the page showing above it. Either at the very top or not stuck at all: not stuck. */
@media (max-width: 760px), (pointer: coarse) and (max-height: 520px) {
  .top { position: static; }
}