/* Dive Analyser landing page. Same tokens as the app (swimscanner/static/app.css). */

@font-face { font-family: "Manrope"; font-weight: 400 800; font-display: swap; src: url(brand/manrope.woff2) format("woff2"); }
@font-face { font-family: "JetBrains Mono"; font-weight: 500; font-display: swap; src: url(brand/jetbrainsmono-500.woff2) format("woff2"); }

:root {
  --page: #0A0A0A; --panel: #161616; --panel2: #0f0f0f; --raise: #1d1d1d;
  --ink: #ffffff; --ink2: #b4b9c0; --muted: #8a9099;
  --line: #242424; --line2: #303030;
  --accent: #00A0FE; --accent-ink: #4dbcff; --accent-soft: rgba(0,160,254,.13);
  --orange: #FF6B35;
  --good: #30d158; --bad: #ff6961;
  --radius: 18px;
  --font: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  color-scheme: dark;
}
* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; -webkit-tap-highlight-color: transparent; }
body::before { content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(1000px 520px at 50% -160px, rgba(0,160,254,.14), transparent 70%); }
body {
  background: var(--page);
  color: var(--ink); font: 15px/1.55 var(--font);
  -webkit-font-smoothing: antialiased; min-height: 100vh; padding: 0 20px;
  font-feature-settings: "tnum" 1; overflow-x: hidden;
}
.wrap { max-width: 1120px; margin: 0 auto; }
.sprite { position: absolute; }
.ico { width: 16px; height: 16px; flex: none; vertical-align: -3px; }
::selection { background: var(--accent-soft); }
.accent { color: var(--orange); }
.center { text-align: center; }

/* top bar ---------------------------------------------------------------- */
.topbar {
  position: sticky; top: 0; z-index: 20; margin: 0 -20px; padding: 0 20px;
  background: rgba(10,10,10,.82); backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px); border-bottom: 1px solid var(--line);
}
.topbar-in { max-width: 1120px; margin: 0 auto; display: flex; align-items: center; gap: 18px; height: 68px; }
.topbar .spacer { flex: 1; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); white-space: nowrap; }
.brand-mark { width: 40px; height: 40px; border-radius: 6px; box-shadow: 0 0 0 1px rgba(255,255,255,.12); }
.brand-sep { width: 1px; height: 22px; background: var(--line2); }
.brand-name { font-size: 15.5px; font-weight: 700; letter-spacing: -.2px; }
.toplinks { display: flex; gap: 26px; margin-right: 8px; }
.toplinks a { color: var(--ink2); text-decoration: none; font-size: 14.5px; font-weight: 600; position: relative; padding: 4px 0; }
.toplinks a:hover { color: var(--ink); }
.toplinks a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: var(--orange); transform: scaleX(0); transform-origin: left; transition: transform .25s; }
.toplinks a:hover::after { transform: scaleX(1); }
@media (max-width: 900px) { .toplinks { display: none; } }
.badge {
  display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600;
  color: var(--good); background: rgba(48,209,88,.08); border: 1px solid rgba(48,209,88,.25);
  padding: 4px 10px; border-radius: 999px; white-space: nowrap;
}
.badge .ico { width: 13px; height: 13px; vertical-align: 0; }

/* buttons ---------------------------------------------------------------- */
button, a, input { touch-action: manipulation; }
button { font-family: inherit; }
button.primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--orange); color: #0A0A0A; border: 0; border-radius: 999px;
  padding: 14px 24px; font-size: 15.5px; font-weight: 700; cursor: pointer; white-space: nowrap;
  box-shadow: 0 8px 24px -10px rgba(255,107,53,.8); transition: transform .08s, background .15s;
}
button.primary:hover { background: #FF7D4D; }
button.primary:active { transform: translateY(1px); }
button.primary:disabled { opacity: .5; cursor: progress; }
button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* section furniture ------------------------------------------------------ */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 18px;
  font: 500 12.5px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--accent);
}
.eyebrow::before, .eyebrow::after { content: ""; width: 22px; height: 2px; background: currentColor; }
.block2 { padding: 72px 0; border-top: 1px solid var(--line); }
.block2 h2 { text-wrap: balance; font: 800 clamp(30px, 3.8vw, 44px)/1.12 var(--font); letter-spacing: -.025em; margin-bottom: 14px; }
.block2 .lead { color: var(--ink2); font-size: 17px; max-width: 40em; margin: 0 auto 44px; }
.block2 h3 { text-align: left; }
.block2 ol p, .block2 .metric p, .block2 .film p { text-align: left; }

/* hero ------------------------------------------------------------------- */
.hero { text-align: center; padding: 76px 0 52px; }
.hero h1 { font: 800 clamp(36px, 5.6vw, 64px)/1.05 var(--font); letter-spacing: -.035em; text-wrap: balance; }
.hero .lede { color: var(--ink2); font-size: clamp(16px, 1.5vw, 18.5px); line-height: 1.55; margin: 18px auto 30px; max-width: 34em; }

/* waitlist form ---------------------------------------------------------- */
.wl { display: flex; gap: 8px; max-width: 480px; margin: 0 auto; padding: 6px; border-radius: 999px;
  background: var(--panel); border: 1px solid var(--line2); transition: border-color .15s, box-shadow .15s; }
.wl:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.wl input[type=email] { flex: 1; min-width: 0; background: none; border: 0; color: var(--ink); font: 600 16px var(--font); padding: 0 16px; }
.wl input::placeholder { color: var(--muted); font-weight: 500; }
.wl input:focus-visible { outline: none; }
.wl .hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.wl-msg { min-height: 1.5em; margin-top: 12px; font-size: 14px; font-weight: 600; color: var(--ink2); text-align: center; }
.wl-msg.good { color: var(--good); }
.wl-msg.bad { color: var(--bad); }
@media (max-width: 520px) {
  .wl { flex-direction: column; border-radius: 18px; }
  .wl input[type=email] { padding: 12px 14px; }
}

/* raw vs tracked example ------------------------------------------------- */
#example.first { padding-top: 8px; border-top: 0; }
.compare { display: grid; grid-template-columns: 1fr auto 1fr; gap: 14px; align-items: center; }
.compare figure { margin: 0; }
.cmp-img { position: relative; border-radius: 16px; overflow: hidden; border: 1px solid var(--line2); box-shadow: 0 24px 50px -24px rgba(0,0,0,.9); }
.cmp-img img { display: block; width: 100%; height: auto; }
.cmp-tag { position: absolute; left: 12px; bottom: 12px; font: 500 12px var(--mono); letter-spacing: .08em;
  text-transform: uppercase; padding: 6px 11px; border-radius: 8px; background: rgba(10,10,10,.75); color: #fff;
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.cmp-tag.on { background: var(--orange); color: #0A0A0A; }
.cmp-arrow { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center;
  background: var(--raise); border: 1px solid var(--line2); color: var(--orange); font-weight: 800; }
.caption { color: var(--muted); font-size: 12.5px; max-width: 60em; margin: 14px auto 0; line-height: 1.6; }
.specs { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 36px; text-align: left; }
.specs li { border-top: 2px solid var(--accent); padding-top: 14px; }
.specs b { display: block; font: 800 34px/1 var(--font); letter-spacing: -.03em; margin-bottom: 8px; }
.specs span { color: var(--ink2); font-size: 14px; line-height: 1.5; display: block; }
@media (max-width: 860px) {
  .compare { grid-template-columns: 1fr; }
  .cmp-arrow { transform: rotate(90deg); margin: 0 auto; }
  .specs { grid-template-columns: 1fr 1fr; }
}

/* body model ------------------------------------------------------------- */
.stage { contain: layout paint; margin: 0; border-radius: 20px; overflow: hidden; border: 1px solid var(--line); background: #0A0A0A; }
.stage svg { display: block; width: 100%; height: auto; }
.readout { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); text-align: left; }
.readout div { padding: 16px 20px; border-right: 1px solid var(--line); }
.readout div:nth-child(4) { border-right: 0; }
.readout span { display: block; font: 500 11px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.readout b { display: block; margin-top: 4px; font: 500 20px var(--mono); color: var(--ink); font-variant-numeric: tabular-nums; }
.readout .key { grid-column: 1 / -1; display: flex; align-items: center; gap: 8px; padding: 11px 20px;
  border-top: 1px solid var(--line); font: 500 11px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.key i { display: inline-block; }
.k-joint { width: 9px; height: 9px; border-radius: 50%; border: 1.8px solid var(--ink2); }
.k-com { width: 18px; height: 2px; background: var(--accent); margin-left: 14px; }
@media (max-width: 700px) {
  .readout { grid-template-columns: 1fr 1fr; }
  .readout div:nth-child(2) { border-right: 0; }
  .readout div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .readout div { padding: 12px 14px; }
  .readout b { font-size: 17px; }
}

/* how / metrics / filming ------------------------------------------------ */
.steps5 { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.steps5 li { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 20px; text-align: left; }
.steps5 .n { font: 500 13px var(--mono); color: var(--orange); letter-spacing: .1em; }
.steps5 h3 { font-size: 17px; font-weight: 750; margin: 10px 0 6px; letter-spacing: -.2px; }
.steps5 p { color: var(--ink2); font-size: 14px; line-height: 1.55; }
@media (max-width: 980px) { .steps5 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps5 { grid-template-columns: 1fr; } }

.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; text-align: left; }
.metric { background: linear-gradient(135deg, #191919, #121212); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.metric .fi { width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); margin-bottom: 16px; }
.metric .fi .ico { width: 20px; height: 20px; vertical-align: 0; }
.metric h3 { font-size: 17.5px; font-weight: 750; margin-bottom: 6px; letter-spacing: -.2px; }
.metric p { color: var(--ink2); font-size: 14.5px; line-height: 1.55; }

.film { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; text-align: left; }
.film div { border-left: 2px solid var(--orange); padding: 4px 0 4px 18px; }
.film h3 { font-size: 17px; font-weight: 750; margin-bottom: 6px; }
.film p { color: var(--ink2); font-size: 14.5px; }
@media (max-width: 860px) { .metrics { grid-template-columns: 1fr 1fr; } }
@media (max-width: 900px) { .film { grid-template-columns: 1fr; } }
@media (max-width: 600px) { .metrics { grid-template-columns: 1fr; } }

/* closing CTA + footer --------------------------------------------------- */
.final2 { margin: 24px 0 8px; padding: 56px 24px; text-align: center; border-radius: 24px; border: 1px solid var(--line);
  background: radial-gradient(600px 260px at 50% 0, rgba(0,160,254,.16), transparent 70%), linear-gradient(180deg, #141414, #0d0d0d); }
.final2 h2 { font: 800 clamp(30px, 4vw, 46px)/1.1 var(--font); letter-spacing: -.025em; margin-bottom: 14px; }
.final2 > p { color: var(--ink2); margin-bottom: 28px; }
.final2 .wl-msg { margin-bottom: 0; }

.foot2 { max-width: 1120px; margin: 40px auto 0; display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 28px 0 44px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.foot2 img { width: 44px; height: 44px; border-radius: 6px; }
.foot2 .grow { flex: 1; min-width: 200px; }
.foot2 b { color: var(--ink); display: block; font-size: 14px; }
.foot2 .local { display: flex; align-items: center; gap: 8px; }
.foot2 .local .ico { color: var(--good); width: 14px; height: 14px; }

@media (max-width: 700px), (hover: none) {
  .topbar { background: rgba(10,10,10,.96); backdrop-filter: none; -webkit-backdrop-filter: none; }
  .cmp-tag { backdrop-filter: none; -webkit-backdrop-filter: none; background: rgba(10,10,10,.85); }
}
@media (max-width: 600px) {
  body { padding: 0 16px; }
  .eyebrow { font-size: 11px; letter-spacing: .08em; gap: 8px; }
  .eyebrow::before, .eyebrow::after { width: 14px; }
  .topbar { margin: 0 -16px; padding: 0 16px; }
  .badge span { display: none; }
  .hero { padding: 48px 0 36px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* waitlist clarity -------------------------------------------------------- */
[hidden] { display: none !important; }
.nav-cta { display: inline-flex; align-items: center; padding: 8px 16px; border-radius: 999px; background: var(--orange);
  color: #0A0A0A; font-weight: 700; font-size: 14px; text-decoration: none; white-space: nowrap; transition: background .15s; }
.nav-cta:hover { background: #FF7D4D; }
.soon { display: inline-flex; align-items: center; gap: 9px; margin-bottom: 22px; padding: 6px 14px 6px 12px; border-radius: 999px;
  border: 1px solid rgba(48,209,88,.3); background: rgba(48,209,88,.08); color: var(--good); font-size: 13px; font-weight: 700; }
.soon .dot { position: relative; width: 7px; height: 7px; border-radius: 50%; background: var(--good); }
.soon .dot::after { content: ""; position: absolute; inset: 0; border-radius: 50%; background: var(--good);
  animation: pulse 2s ease-out infinite; will-change: transform, opacity; }
@keyframes pulse { 0% { transform: scale(1); opacity: .6; } 70%, 100% { transform: scale(3); opacity: 0; } }
.wl-box { max-width: 500px; margin: 0 auto; }
.wl-label { font-size: 14px; font-weight: 700; color: var(--ink); margin-bottom: 10px; }
.wl-note { margin-top: 6px; font-size: 13px; color: var(--muted); }
.wl-done { display: flex; gap: 14px; align-items: center; text-align: left; padding: 16px 20px; border-radius: 16px;
  background: rgba(48,209,88,.08); border: 1px solid rgba(48,209,88,.35); color: var(--ink2); font-size: 14.5px; }
.wl-done b { display: block; color: var(--ink); font-size: 16px; }
.wl-done .tick { flex: none; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center;
  background: var(--good); color: #0A0A0A; font-weight: 800; }
.wl-done:not([hidden]) + .wl-note { margin-top: 12px; }
.final2 > p.eyebrow { display: flex; justify-content: center; color: var(--accent); margin-bottom: 18px; }

/* lab vs phone ------------------------------------------------------------ */
.vs { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; text-align: left; }
.vs-col { border-radius: var(--radius); padding: 26px 26px 22px; border: 1px solid var(--line); }
.vs-col.old { background: var(--panel2); }
.vs-col.new { background: linear-gradient(135deg, rgba(255,107,53,.10), transparent 60%), #141414; border-color: rgba(255,107,53,.45); }
.vs-head { font: 500 12.5px var(--mono); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 16px; color: var(--muted); }
.vs-col.new .vs-head { color: var(--orange); }
.vs ul { list-style: none; padding: 0; display: grid; gap: 12px; }
.vs li { display: flex; gap: 12px; align-items: baseline; font-size: 15.5px; line-height: 1.45; }
.vs-col.old li { color: var(--muted); }
.vs-col.new li { color: var(--ink); font-weight: 600; }
.vs li::before { flex: none; width: 20px; height: 20px; border-radius: 50%; display: grid; place-items: center;
  font-size: 11px; font-weight: 800; transform: translateY(3px); }
.vs-col.old li::before { content: "✕"; background: var(--raise); color: var(--muted); }
.vs-col.new li::before { content: "✓"; background: var(--orange); color: #0A0A0A; }
@media (max-width: 760px) { .vs { grid-template-columns: 1fr; } }