/* FaiSnap's site. Colours come from the app icon: navy, highlighter yellow, annotation red.
   System fonts only (no font CDN: the privacy page says visitors' IPs go nowhere). No JS. */

:root {
  --navy-950: #0B1020;
  --navy-900: #0E1424;
  --navy-800: #161E33;
  --navy-700: #26324A;
  --yellow: #FFD60A;
  --red: #FF453A;
  --red-on-light: #D7261C;

  --bg: #FFFFFF;
  --surface: #F5F6F9;
  --raised: #FFFFFF;
  --text: #0E1424;
  --muted: #5A6377;
  --line: #E3E6ED;
  --link: #2F5BEA;
  --button: var(--navy-900);
  --button-text: #FFFFFF;
  --shot-shadow: 0 30px 80px -24px rgba(14, 20, 36, 0.35), 0 0 0 1px rgba(14, 20, 36, 0.06);
  --card-shadow: 0 1px 2px rgba(14, 20, 36, 0.05);

  --wrap: 1200px;
  --gutter: 32px;
  --section: 128px;
  --radius: 14px;
  --radius-large: 24px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0B1020;
    --surface: #121A2C;
    --raised: #161E33;
    --text: #F2F4F8;
    --muted: #98A2B6;
    --line: rgba(255, 255, 255, 0.08);
    --link: #8FB0FF;
    --button: var(--yellow);
    --button-text: var(--navy-950);
    --shot-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255, 255, 255, 0.06);
    --card-shadow: none;
  }
}

@media (max-width: 1024px) { :root { --section: 96px; --gutter: 24px; } }
@media (max-width: 640px) { :root { --section: 72px; --gutter: 16px; } }

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 72px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
img { max-width: 100%; height: auto; display: block; }
:focus-visible { outline: 3px solid var(--yellow); outline-offset: 3px; border-radius: 6px; }

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

kbd {
  font: 600 0.82em/1 var(--font);
  display: inline-block;
  padding: 4px 7px;
  border-radius: 6px;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  background: var(--raised);
  color: var(--text);
  white-space: nowrap;
}

.skip { position: absolute; left: -999px; top: 8px; z-index: 30; background: var(--yellow); color: var(--navy-950); padding: 8px 14px; border-radius: 8px; font-weight: 600; }
.skip:focus { left: 8px; }

/* Header: navy and translucent over every page */
header.site {
  position: sticky; top: 0; z-index: 20;
  background: rgba(11, 16, 32, 0.78);
  backdrop-filter: saturate(160%) blur(18px);
  -webkit-backdrop-filter: saturate(160%) blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
header.site .wrap { display: flex; align-items: center; gap: 28px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; color: #FFFFFF; font: 600 18px/1 var(--font-display); letter-spacing: -0.01em; }
.brand:hover { text-decoration: none; }
.brand img { width: 30px; height: 30px; }
nav.site { display: flex; gap: 24px; margin-left: auto; align-items: center; }
nav.site a { color: rgba(255, 255, 255, 0.72); font-size: 15px; }
nav.site a:hover { color: #FFFFFF; text-decoration: none; }
nav.site a.button { color: var(--navy-950); }
@media (max-width: 760px) { nav.site a:not(.button) { display: none; } }

/* Buttons */
.button {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 13px 22px; border-radius: 12px;
  font: 600 16px/1 var(--font); letter-spacing: -0.005em;
  background: var(--button); color: var(--button-text);
  transition: transform 0.15s ease, filter 0.15s ease;
}
.button:hover { text-decoration: none; filter: brightness(1.06); transform: translateY(-1px); }
.button.small { padding: 9px 14px; font-size: 14px; border-radius: 10px; }
.button.yellow { background: var(--yellow); color: var(--navy-950); }
.button.ghost { background: transparent; color: #FFFFFF; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.24); }
.button svg { width: 18px; height: 18px; }
@media (prefers-reduced-motion: reduce) { .button { transition: none; } .button:hover { transform: none; } }

/* Hero: navy in both appearances */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(60% 50% at 18% 8%, rgba(255, 214, 10, 0.13), transparent 70%),
    radial-gradient(50% 45% at 88% 30%, rgba(255, 69, 58, 0.12), transparent 70%),
    linear-gradient(180deg, var(--navy-950) 0%, var(--navy-900) 100%);
  color: #FFFFFF;
  padding: 96px 0 0;
  text-align: center;
}
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px 6px 8px; border-radius: 999px;
  background: rgba(255, 255, 255, 0.07); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.86); font-size: 14px; margin-bottom: 28px;
}
.pill b { background: var(--yellow); color: var(--navy-950); border-radius: 999px; padding: 2px 9px; font-size: 12px; font-weight: 700; }
.pill:hover { text-decoration: none; background: rgba(255, 255, 255, 0.11); }
.hero h1 {
  font: 700 clamp(44px, 6.5vw, 80px)/1.02 var(--font-display);
  letter-spacing: -0.035em; margin: 0 auto 24px; max-width: 16ch; text-wrap: balance;
}
/* The icon's highlighter stroke, under the words that matter. */
.hero h1 mark { background: none; color: #FFFFFF; position: relative; white-space: nowrap; z-index: 0; }
.hero h1 mark::after {
  content: ""; position: absolute; left: -0.04em; right: -0.04em; bottom: -0.06em; height: 0.16em;
  background: var(--yellow); z-index: -1; transform: rotate(-1deg); border-radius: 0.08em;
}
.hero .lead { font-size: clamp(18px, 2vw, 21px); color: rgba(255, 255, 255, 0.74); max-width: 640px; margin: 0 auto 36px; text-wrap: pretty; }
.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.fine { color: rgba(255, 255, 255, 0.55); font-size: 14px; margin: 16px 0 0; }
.hero .stage-shot { margin: 64px auto 0; max-width: 1180px; position: relative; }
.hero .stage-shot img { border-radius: 12px 12px 0 0; box-shadow: 0 -10px 80px -10px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.08); }
.hero .float { position: absolute; width: 27%; right: -2%; bottom: 14%; border-radius: 16px; box-shadow: 0 30px 70px -10px rgba(0, 0, 0, 0.65); }
@media (max-width: 760px) { .hero { padding-top: 64px; } .hero .float { display: none; } }

/* Trust strip */
.trust { border-bottom: 1px solid var(--line); }
.trust ul { list-style: none; margin: 0; padding: 26px 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.trust li { display: flex; gap: 12px; align-items: center; color: var(--muted); font-size: 15px; line-height: 1.35; }
.trust svg { flex: none; width: 22px; height: 22px; color: var(--text); }
@media (max-width: 900px) { .trust ul { grid-template-columns: repeat(2, 1fr); } }

/* Sections */
section.band { padding: var(--section) 0; }
section.band.alt { background: var(--surface); }
.label { font: 600 13px/1 var(--font); text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin: 0 0 16px; }
.label.red { color: var(--red-on-light); }
@media (prefers-color-scheme: dark) { .label.red { color: var(--red); } }
h2 { font: 700 clamp(32px, 4vw, 52px)/1.08 var(--font-display); letter-spacing: -0.025em; margin: 0 0 20px; text-wrap: balance; }
h3 { font: 600 21px/1.3 var(--font-display); letter-spacing: -0.01em; margin: 0 0 8px; }
p.sub { font-size: clamp(18px, 1.8vw, 21px); color: var(--muted); max-width: 60ch; margin: 0 0 28px; text-wrap: pretty; }
.center { text-align: center; }
.center p.sub { margin-left: auto; margin-right: auto; }

.split { display: grid; grid-template-columns: 5fr 7fr; gap: 64px; align-items: center; }
.split.flip { grid-template-columns: 7fr 5fr; }
.split.flip > .copy { order: 2; }
@media (max-width: 960px) { .split, .split.flip { grid-template-columns: 1fr; gap: 40px; } .split.flip > .copy { order: 0; } }

ul.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
ul.ticks.three, ul.ticks.four { margin-top: 40px; grid-template-columns: repeat(3, 1fr); gap: 16px 32px; }
ul.ticks.four { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 960px) { ul.ticks.three, ul.ticks.four { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { ul.ticks.three, ul.ticks.four { grid-template-columns: 1fr; } }
.center .chips { justify-content: center; }
p.center-text { text-align: center; margin: 32px auto 0; }
.center + .pair, .center + .stage, .center + picture { margin-top: 48px; display: grid; }
.center + picture { display: block; }
ul.ticks li { position: relative; padding-left: 30px; color: var(--text); }
ul.ticks li::before {
  content: ""; position: absolute; left: 0; top: 0.32em; width: 18px; height: 18px; border-radius: 6px;
  background: var(--yellow) url("tick.svg") center/18px no-repeat; /* a file: the CSP's img-src allows 'self', not data: */
}

/* Screenshots on a navy stage */
.stage {
  position: relative; border-radius: var(--radius-large); padding: clamp(18px, 4vw, 44px);
  background:
    radial-gradient(55% 60% at 12% 0%, rgba(255, 214, 10, 0.12), transparent 70%),
    radial-gradient(50% 60% at 100% 100%, rgba(255, 69, 58, 0.12), transparent 70%),
    linear-gradient(160deg, var(--navy-800), var(--navy-950));
  overflow: hidden;
}
.stage img, img.shot { border-radius: 12px; box-shadow: var(--shot-shadow); }
.stage .over { position: absolute; border-radius: 16px; box-shadow: 0 24px 60px -12px rgba(0, 0, 0, 0.6); }
figure { margin: 0; }
figcaption { color: var(--muted); font-size: 14px; margin-top: 12px; text-align: center; }

.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.pair figure { position: relative; }
.tag { position: absolute; top: 12px; left: 12px; font: 600 12px/1 var(--font); padding: 6px 10px; border-radius: 999px; background: rgba(11, 16, 32, 0.82); color: #FFFFFF; }
.tag.after { background: var(--yellow); color: var(--navy-950); }
@media (max-width: 640px) { .pair { grid-template-columns: 1fr; } }

/* Bento */
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; margin-top: 56px; }
.tile {
  grid-column: span 2; background: var(--raised); border: 1px solid var(--line); border-radius: var(--radius-large);
  padding: 28px; box-shadow: var(--card-shadow); overflow: hidden; display: flex; flex-direction: column; gap: 6px;
}
.tile.wide { grid-column: span 3; }
.tile.full { grid-column: span 6; }
.tile p { color: var(--muted); margin: 0; font-size: 16px; }
.tile .icon { width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; background: var(--surface); margin-bottom: 10px; color: var(--text); }
.tile .icon svg { width: 22px; height: 22px; }
.tile img { margin-top: auto; padding-top: 18px; }
@media (max-width: 960px) { .tile, .tile.wide { grid-column: span 3; } }
@media (max-width: 640px) { .tile, .tile.wide, .tile.full { grid-column: span 6; } }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 28px; padding: 0; list-style: none; }
.chips li { font-size: 14px; padding: 7px 12px; border-radius: 999px; background: var(--raised); border: 1px solid var(--line); color: var(--text); }

/* Privacy band: navy in both appearances */
.privacy { background: linear-gradient(180deg, var(--navy-900), var(--navy-950)); color: #FFFFFF; padding: var(--section) 0; }
.privacy h2 { color: #FFFFFF; }
.privacy p.sub { color: rgba(255, 255, 255, 0.7); }
.columns { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; }
.columns > div { background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.08); border-radius: var(--radius-large); padding: 28px; }
.columns h3 { color: #FFFFFF; }
.columns p, .columns li { color: rgba(255, 255, 255, 0.72); font-size: 16px; }
.columns ul { margin: 0; padding-left: 18px; display: grid; gap: 6px; }
.privacy a { color: var(--yellow); }
.privacy .label { color: rgba(255, 255, 255, 0.6); }
.privacy .more { text-align: center; margin: 32px 0 0; }
@media (max-width: 900px) { .columns { grid-template-columns: 1fr; } }

/* FAQ */
.faq { max-width: 820px; margin: 48px auto 0; }
details { border-bottom: 1px solid var(--line); padding: 20px 0; }
details summary { cursor: pointer; font: 600 19px/1.4 var(--font-display); list-style: none; display: flex; justify-content: space-between; gap: 20px; }
details summary::-webkit-details-marker { display: none; }
details summary::after { content: "+"; font-weight: 400; color: var(--muted); font-size: 24px; line-height: 1; }
details[open] summary::after { content: "−"; }
details p { color: var(--muted); margin: 12px 0 0; }

/* Final call */
.final { text-align: center; padding: var(--section) 0; }
.final img { width: 120px; height: 120px; margin: 0 auto 28px; }
.final .fine { color: var(--muted); }

/* Footer */
footer.site { border-top: 1px solid var(--line); padding: 56px 0 40px; color: var(--muted); font-size: 15px; }
footer.site .wrap { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
footer.site h4 { font: 600 14px/1 var(--font); color: var(--text); margin: 0 0 14px; }
footer.site ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
footer.site a { color: var(--muted); }
footer.site a:hover { color: var(--text); }
footer.site .brand { color: var(--text); margin-bottom: 14px; }
footer.site .legal { grid-column: 1 / -1; border-top: 1px solid var(--line); padding-top: 24px; font-size: 14px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
@media (max-width: 760px) { footer.site .wrap { grid-template-columns: 1fr 1fr; } }

/* Documents: privacy, terms, support */
main.doc { max-width: 760px; margin: 0 auto; padding: 72px var(--gutter) 96px; }
main.doc h1 { font: 700 clamp(36px, 5vw, 52px)/1.08 var(--font-display); letter-spacing: -0.03em; margin: 0 0 12px; }
main.doc .updated { color: var(--muted); margin: 0 0 40px; }
main.doc h2 { font-size: clamp(24px, 3vw, 30px); margin: 56px 0 14px; }
main.doc h3 { margin: 32px 0 8px; }
main.doc p, main.doc li { color: var(--text); }
main.doc ul { padding-left: 22px; display: grid; gap: 8px; }
main.doc code { font: 0.88em var(--mono); background: var(--surface); padding: 2px 6px; border-radius: 6px; }
main.doc table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 16px; }
main.doc th, main.doc td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
main.doc th { font-weight: 600; color: var(--muted); font-size: 14px; }
.summary { background: var(--surface); border-radius: var(--radius); padding: 22px 26px; margin: 0 0 32px; }
.summary ul { margin: 8px 0 0; }