/* fd24.ai — FD24 AI Voice Agent. Palette follows the app (constants/theme.ts, "opal line"):
   navy grounds, ice text, the icon's blue, and the brand gold of the FD mark. */
:root {
  --ground: #071525;
  --ground-deep: #030912;
  --card: #10263F;
  --card-border: #2C5278;
  --divider: #1B3A58;
  --ink: #F4F8FC;
  --body: #D2E0EE;
  --muted: #A9BDD2;
  --faint: #8AA3BC;
  --blue: #3C8FD8;
  --blue-pressed: #2B6FB0;
  --tint-bg: #163552;
  --tint-border: #2E628C;
  --tint-text: #C5E4FF;
  --caller: #8FD6F2;
  --agent: #9AADF2;
  --gold: #B0905C;
  --gold-hi: #F2D898;
  --brand-blue: #185088;
  --sans: "Hanken Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --max: 1120px;
  color-scheme: dark;
}

*, *::before, *::after { 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:
    radial-gradient(1200px 600px at 80% -10%, rgba(60, 143, 216, 0.18), transparent 60%),
    radial-gradient(900px 500px at -10% 30%, rgba(24, 80, 136, 0.25), transparent 60%),
    var(--ground);
  color: var(--body);
  font: 400 17px/1.6 var(--sans);
  min-height: 100vh;
}
a { color: var(--tint-text); text-underline-offset: 3px; }
a:hover { color: var(--ink); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 6px; }
img, svg { display: block; max-width: 100%; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 12px; background: var(--card); padding: 8px 12px; border-radius: 8px; z-index: 10; }

/* Header */
.top { border-bottom: 1px solid var(--divider); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; font-weight: 700; letter-spacing: 0.01em; white-space: nowrap; flex-shrink: 0; }
.brand img { width: 34px; height: 34px; border-radius: 8px; }
.brand span small { display: block; font: 500 11px/1.2 var(--mono); color: var(--faint); letter-spacing: 0.08em; text-transform: uppercase; }
.nav { display: flex; gap: 4px; flex-wrap: wrap; justify-content: flex-end; }
.nav a { color: var(--muted); text-decoration: none; font-size: 15px; padding: 10px 12px; border-radius: 8px; min-height: 44px; display: inline-flex; align-items: center; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); background: var(--tint-bg); }

/* Hero */
.hero { padding: 72px 0 56px; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 56px; align-items: center; }
.eyebrow { font: 500 12px/1.4 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold); margin: 0 0 18px; }
h1 { color: var(--ink); font-weight: 800; font-size: clamp(40px, 6vw, 64px); line-height: 1.04; letter-spacing: -0.02em; margin: 0 0 20px; }
.lede { font-size: 19px; color: var(--body); margin: 0 0 30px; max-width: 34em; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 52px; padding: 0 22px; border-radius: 12px; font-weight: 600; font-size: 16px; text-decoration: none; border: 1px solid transparent; }
.btn-primary { background: var(--blue); color: #F7FBFF; }
.btn-primary:hover { background: var(--blue-pressed); color: #F7FBFF; }
.soon { display: inline-flex; flex-direction: column; justify-content: center; min-height: 52px; padding: 0 18px; border-radius: 12px; border: 1px solid var(--card-border); color: var(--ink); line-height: 1.15; }
.soon small { font: 500 10px/1.2 var(--mono); letter-spacing: 0.1em; color: var(--faint); }
.soon b { font-size: 18px; font-weight: 700; }
.meta { font: 500 12px/1.6 var(--mono); letter-spacing: 0.06em; color: var(--faint); margin: 22px 0 0; text-transform: uppercase; }

/* Call card: an illustration of the app's live-call view, not a screenshot. */
.callcard { background: rgba(16, 38, 63, 0.92); border: 1px solid var(--card-border); border-radius: 22px; padding: 22px; box-shadow: 0 30px 80px rgba(3, 9, 18, 0.6); max-width: 440px; justify-self: end; width: 100%; }
.callcard header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.live { display: inline-flex; align-items: center; gap: 8px; font: 600 12px/1 var(--mono); letter-spacing: 0.1em; color: var(--caller); }
.live::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--caller); box-shadow: 0 0 0 0 rgba(143, 214, 242, 0.6); animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(143, 214, 242, 0.55); } 70% { box-shadow: 0 0 0 10px rgba(143, 214, 242, 0); } 100% { box-shadow: 0 0 0 0 rgba(143, 214, 242, 0); } }
@media (prefers-reduced-motion: reduce) { .live::before { animation: none; } }
.callcard .time { font: 500 13px/1 var(--mono); color: var(--faint); }
.turn { margin: 0 0 12px; padding: 10px 12px 10px 14px; border-left: 2px solid var(--divider); }
.turn .who { display: block; font: 600 11px/1.4 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 2px; }
.turn.caller { border-color: var(--caller); }
.turn.caller .who { color: var(--caller); }
.turn.agent { border-color: var(--agent); }
.turn.agent .who { color: var(--agent); }
.turn p { margin: 0; color: var(--body); font-size: 15px; line-height: 1.5; }
.take { margin-top: 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 16px; border-top: 1px solid var(--divider); }
.take span { font-size: 13px; color: var(--muted); }
.take b { display: inline-flex; align-items: center; min-height: 40px; padding: 0 16px; border-radius: 10px; background: var(--blue); color: #F7FBFF; font-size: 14px; white-space: nowrap; }

/* Sections */
section { padding: 64px 0; }
.rule { border-top: 1px solid var(--divider); }
h2 { color: var(--ink); font-size: clamp(28px, 4vw, 38px); line-height: 1.15; letter-spacing: -0.01em; margin: 0 0 12px; font-weight: 700; }
.sub { color: var(--muted); margin: 0 0 36px; max-width: 40em; }
.sub.tight { margin-bottom: 0; }
/* Footer pointer for LLM readers; hidden from people (the CSP blocks inline style attributes). */
.foot a.llms-link { display: none; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--divider); border-radius: 16px; padding: 22px; }
.card .tag { font: 600 11px/1.3 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold); margin: 0 0 10px; }
.card h3 { color: var(--ink); font-size: 19px; margin: 0 0 8px; }
.card p { margin: 0; font-size: 15.5px; color: var(--body); }

.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; counter-reset: step; }
.steps li { counter-increment: step; padding: 20px 20px 20px 0; border-top: 2px solid var(--card-border); }
.steps li::before { content: "0" counter(step); display: block; font: 600 13px/1 var(--mono); color: var(--gold); margin-bottom: 12px; letter-spacing: 0.1em; }
.steps h3 { color: var(--ink); font-size: 18px; margin: 0 0 6px; }
.steps p { margin: 0; font-size: 15.5px; }

.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px; align-items: start; }
.facts { list-style: none; margin: 0; padding: 0; }
.facts li { padding: 14px 0; border-bottom: 1px solid var(--divider); display: grid; grid-template-columns: 9.5em 1fr; gap: 16px; }
.facts .k { font: 600 12px/1.6 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--faint); }

.band { background: var(--tint-bg); border: 1px solid var(--tint-border); border-radius: 20px; padding: 36px; display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between; }
.band h2 { margin: 0 0 6px; }
.band p { margin: 0; color: var(--tint-text); }

/* Prose pages (support) */
.page { padding: 56px 0 72px; }
.page .wrap { max-width: 760px; }
.page h1 { font-size: clamp(34px, 5vw, 46px); }
.page h2 { font-size: 24px; margin-top: 44px; }
.page h3 { color: var(--ink); font-size: 18px; margin: 28px 0 6px; }
.page p, .page li { color: var(--body); }
.page ul { padding-left: 20px; }
.contact { background: var(--card); border: 1px solid var(--card-border); border-radius: 16px; padding: 22px 24px; margin: 28px 0 0; }
.contact p { margin: 0; }
.contact a { font-weight: 600; font-size: 18px; }

/* Footer */
.foot { border-top: 1px solid var(--divider); padding: 28px 0 40px; margin-top: 24px; }
.foot .wrap { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; font-size: 14px; color: var(--faint); }
.foot nav { display: flex; flex-wrap: wrap; gap: 4px 18px; }
.foot a { color: var(--muted); text-decoration: none; min-height: 44px; display: inline-flex; align-items: center; }
.foot a:hover { color: var(--ink); }

@media (max-width: 860px) {
  .hero { padding: 44px 0 32px; }
  .hero .wrap, .split { grid-template-columns: 1fr; gap: 36px; }
  .callcard { justify-self: stretch; max-width: none; }
  section { padding: 48px 0; }
  .band { padding: 26px 22px; }
  .facts li { grid-template-columns: 1fr; gap: 2px; }
}
@media (max-width: 560px) {
  .nav a:not([href$="/support/"]) { display: none; }
}
@media (max-width: 420px) {
  .wrap { padding: 0 16px; }
  .nav a { padding: 10px 8px; }
}