/* Webcam Uplink site. No web fonts, no images beyond the icon, no scripts: fast by construction. */
:root {
  --bg: #fbfbfd;
  --surface: #ffffff;
  --text: #1d1d1f;
  --muted: #55555b;
  --accent: #0a5fd6;
  --accent-text: #ffffff;
  --border: #d8d8de;
  --input-border: #7c7c85;   /* form controls: ≥ 3:1 on --bg and --surface (WCAG 1.4.11) */
  --focus: #0a5fd6;
  --ok-bg: #e3f4e8;
  --ok-text: #135c2c;
  --warn-bg: #fdf1d8;
  --warn-text: #6b4a00;
  --no-bg: #f3e3e3;
  --no-text: #7a1f1f;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111114;
    --surface: #1c1c21;
    --text: #f2f2f5;
    --muted: #b3b3bd;
    --accent: #3d8bff;
    --accent-text: #08111f;
    --border: #34343c;
    --input-border: #7a7a85;
    --focus: #7db0ff;
    --ok-bg: #12301d;
    --ok-text: #8fe0aa;
    --warn-bg: #3a2c0c;
    --warn-text: #f2cf7a;
    --no-bg: #3a1717;
    --no-text: #f0a5a5;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 16px; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif;
}
a { color: var(--accent); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 6px; }
code { font: 0.92em ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--surface); border: 1px solid var(--border); border-radius: 5px; padding: 0 4px; }

.skip { position: absolute; left: -999px; top: 8px; padding: 8px 12px; background: var(--surface); z-index: 10; }
.skip:focus { left: 16px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.muted { color: var(--muted); }

header.site, footer.site, main { max-width: 1000px; margin: 0 auto; padding: 0 16px; }
header.site { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px 20px; padding-top: 18px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; }
.wordmark { font-weight: 600; font-size: 18px; }
header.site nav { display: flex; flex-wrap: wrap; gap: 4px 18px; font-size: 15px; }
header.site nav a { color: var(--muted); text-decoration: none; padding: 4px 0; }
header.site nav a:hover { color: var(--text); text-decoration: underline; }

section { padding: 28px 0; }
h1 { font-size: clamp(30px, 6vw, 48px); line-height: 1.1; margin: 0 0 16px; letter-spacing: -0.02em; }
h2 { font-size: 27px; margin: 0 0 16px; letter-spacing: -0.01em; }
h3 { font-size: 17px; margin: 0 0 6px; }

.hero { text-align: center; padding: 48px 0 28px; }
.hero-icon { display: block; margin: 0 auto 18px; }
.eyebrow { color: var(--muted); font-size: 14px; letter-spacing: 0.02em; margin: 0 0 10px; }
.lede { font-size: 19px; color: var(--muted); max-width: 680px; margin: 0 auto 26px; }
.cta { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin: 0; }
.trust { color: var(--muted); font-size: 14px; margin: 18px auto 0; }

.button {
  display: inline-flex; flex-direction: column; align-items: center; justify-content: center;
  min-height: 48px; padding: 12px 26px; border-radius: 12px; border: 1px solid var(--accent);
  background: var(--accent); color: var(--accent-text); font: inherit; font-weight: 600; font-size: 17px;
  text-decoration: none; cursor: pointer;
}
.button:hover { filter: brightness(1.08); }
.button.secondary { background: transparent; color: var(--accent); }
.button .sub { font-weight: 400; font-size: 13px; opacity: 0.9; margin-top: 2px; }
@media (prefers-reduced-motion: no-preference) { .button { transition: filter 120ms ease; } }

.demo figure { margin: 0; }
.demo-frame {
  aspect-ratio: 16 / 9; display: grid; place-items: center; text-align: center; padding: 24px;
  background: var(--surface); border: 1px dashed var(--border); border-radius: 16px; color: var(--muted);
}
.demo-frame p { max-width: 460px; margin: 0; }
.demo figcaption { color: var(--muted); font-size: 14px; text-align: center; margin-top: 8px; }

.cards, .steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.cards li, .steps li, .plan { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 18px 20px; }
.cards p, .steps p { margin: 0; color: var(--muted); font-size: 15px; }
.steps { counter-reset: step; }
.steps li { counter-increment: step; }
.steps h3::before { content: counter(step) ". "; color: var(--accent); }
.aside { color: var(--muted); font-size: 15px; margin: 14px 0 0; }

.tag { display: inline-block; vertical-align: 2px; font-size: 11px; font-weight: 600; letter-spacing: 0.03em; text-transform: uppercase; padding: 1px 7px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); }
.tag.pro { border-color: var(--accent); color: var(--accent); }

.table-wrap { overflow-x: auto; margin: 18px 0; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
caption { text-align: left; font-weight: 600; padding: 14px 16px 6px; }
th, td { text-align: left; vertical-align: top; padding: 9px 16px; border-top: 1px solid var(--border); }
thead th { color: var(--muted); font-weight: 600; font-size: 13px; }
.status { display: inline-block; white-space: nowrap; font-size: 13px; font-weight: 600; padding: 1px 8px; border-radius: 999px; }
.status.verified { background: var(--ok-bg); color: var(--ok-text); }
.status.expected { background: var(--warn-bg); color: var(--warn-text); }
.status.unsupported { background: var(--no-bg); color: var(--no-text); }

.plans { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); margin: 18px 0 10px; }
.plan h3 { font-size: 20px; }
.plan.featured { border: 2px solid var(--accent); }
.price { margin: 4px 0; }
.price .amount { font-size: 36px; font-weight: 700; letter-spacing: -0.02em; }
.price .per, .then { color: var(--muted); font-size: 15px; }
.then { margin: 0 0 8px; }
.plan ul { margin: 10px 0 0; padding-left: 20px; }
.plan li { margin-bottom: 4px; }
.fineprint { color: var(--muted); font-size: 14px; }

.waitlist { max-width: 640px; }
.signup { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 20px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-weight: 600; margin-bottom: 4px; font-size: 15px; }
input[type="email"], input[type="text"], select {
  width: 100%; min-height: 44px; padding: 8px 12px; font: inherit; color: var(--text);
  background: var(--bg); border: 1px solid var(--input-border); border-radius: 10px;
}
fieldset.optional { border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px 0; margin: 0 0 14px; }
fieldset.optional legend { padding: 0 6px; font-size: 15px; }
.consent { display: flex; gap: 10px; align-items: flex-start; margin: 4px 0 16px; }
.consent input { width: 20px; height: 20px; margin-top: 3px; flex: none; accent-color: var(--accent); }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.faq details { border-top: 1px solid var(--border); padding: 12px 0; }
.faq details:last-of-type { border-bottom: 1px solid var(--border); }
.faq summary { cursor: pointer; font-weight: 600; }
.faq details p { color: var(--muted); margin: 8px 0 0; }

.privacy-stance ul { padding-left: 20px; }
.prose { max-width: 720px; padding-top: 24px; padding-bottom: 32px; }
.prose h2 { font-size: 22px; margin-top: 28px; }
.notice { max-width: 640px; padding-top: 64px; padding-bottom: 64px; }

footer.site { border-top: 1px solid var(--border); padding-top: 18px; padding-bottom: 36px; color: var(--muted); font-size: 13px; }
footer.site nav { display: flex; flex-wrap: wrap; gap: 4px 18px; font-size: 14px; margin-bottom: 8px; }
.marks { max-width: 820px; }