/* Raptor's public page. Palette: Prussian Blue #000022, Deep Navy #001242, Ocean Blue #0094C6,
   Baltic Blue #005E7C, Ink Black #040F16. */
:root {
  --prussian: #000022; --navy: #001242; --ocean: #0094c6; --baltic: #005e7c; --ink: #040f16;
  --text: #e8f3fa; --muted: #93b4c6; --line: rgb(255 255 255 / 12%); --card: rgb(255 255 255 / 5%);
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; color: var(--text); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background:
    radial-gradient(80% 50% at 50% -10%, rgb(0 148 198 / 26%), transparent 60%),
    radial-gradient(60% 40% at 100% 40%, rgb(0 94 124 / 22%), transparent 70%),
    linear-gradient(180deg, var(--navy), var(--prussian) 60%, var(--ink));
  min-height: 100vh;
}
a { color: var(--ocean); text-decoration: none; }
h1, h2, h3 { line-height: 1.2; margin: 0; }
h2 { font-size: clamp(26px, 4vw, 36px); text-align: center; margin-bottom: 28px; }
h3 { font-size: 18px; margin-bottom: 6px; }
p { margin: 0; }
.small { color: var(--muted); font-size: 14px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 22px;
  border-radius: 999px; border: 1px solid var(--line); color: var(--text); font-weight: 600; background: var(--card);
  transition: background 0.15s, transform 0.1s;
}
.btn:hover { background: rgb(255 255 255 / 10%); }
.btn:active { transform: scale(0.98); }
.btn.primary { background: var(--ocean); border-color: var(--ocean); color: #fff; box-shadow: 0 6px 20px rgb(0 148 198 / 35%); }
.btn.primary:hover { background: #00a6dc; }
.btn.ghost { padding: 8px 18px; }

.top {
  position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px max(16px, 5vw); background: rgb(0 18 66 / 72%); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line);
}
.brand img { height: 46px; display: block; }
.top nav { display: flex; align-items: center; gap: 22px; }
.top nav a:not(.btn) { color: var(--muted); font-size: 15px; }
.top nav a:not(.btn):hover { color: var(--text); }

main { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
section { padding: 72px 0; }
.band { border-top: 1px solid var(--line); }

.hero { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; padding-top: 64px; }
.hero h1 { font-size: clamp(34px, 5.4vw, 56px); letter-spacing: -0.02em; }
.hero h1 span { color: var(--ocean); }
.lead { margin: 20px 0 28px; font-size: 18px; color: #c9dce8; max-width: 560px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 14px; }

.phone-mock {
  width: min(320px, 100%); margin: 0 auto; padding: 14px; border-radius: 34px; background: #f2f5fb; color: #0a1628;
  box-shadow: 0 30px 60px rgb(0 0 0 / 45%), 0 0 0 8px #0c1d3d; font-size: 14px;
}
.pm-head { display: flex; align-items: center; gap: 8px; padding: 8px 10px 14px; }
.pm-head .dot { width: 34px; height: 34px; border-radius: 50%; background: var(--ocean); }
.pm-head b { flex: 1; }
.pm-head small { color: #1a6dff; }
.pm-msg { max-width: 82%; margin: 8px 0; padding: 10px 12px; border-radius: 14px; background: #fff; display: grid; gap: 2px; box-shadow: 0 1px 2px rgb(10 30 70 / 10%); }
.pm-msg.out { margin-left: auto; background: #d8e7ff; }
.pm-file { font-weight: 600; }
.pm-msg small { color: #5c6c84; }
.pm-bar { display: flex; align-items: center; justify-content: space-between; margin-top: 14px; padding: 8px 8px 8px 16px; border-radius: 999px; background: #fff; color: #5c6c84; }
.pm-bar i { width: 34px; height: 34px; border-radius: 50%; background: #1a6dff; }

.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.steps li, .grid article { padding: 24px; border-radius: 18px; background: var(--card); border: 1px solid var(--line); }
.steps b { display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--ocean); margin-bottom: 14px; }
.steps p, .grid p { color: #c0d3df; font-size: 15px; }
code { background: rgb(255 255 255 / 10%); padding: 1px 6px; border-radius: 6px; font-size: 14px; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.download { text-align: center; }
.platforms { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 18px; }
.platform {
  display: grid; justify-items: center; gap: 6px; padding: 28px 18px; border-radius: 20px; color: var(--text);
  background: var(--card); border: 1px solid var(--line); transition: border-color 0.15s, transform 0.15s;
}
.platform:hover { border-color: var(--ocean); transform: translateY(-2px); }
.platform svg { width: 44px; height: 44px; fill: var(--ocean); margin-bottom: 6px; }
.platform b { font-size: 19px; }
.platform small { color: var(--muted); }
.platform.recommended { border-color: var(--ocean); background: rgb(0 148 198 / 14%); }
.platform.recommended::before { content: 'Recommended for you'; font-size: 12px; font-weight: 700; color: var(--ocean); text-transform: uppercase; letter-spacing: 0.06em; }

.faq { max-width: 760px; margin: 0 auto; border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); padding: 16px 4px; }
summary { cursor: pointer; font-weight: 600; font-size: 17px; }
details p { color: #c0d3df; margin-top: 10px; }

.foot { text-align: center; padding: 40px 16px 56px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.foot img { height: 54px; opacity: 0.9; margin-bottom: 10px; }

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; gap: 36px; padding-top: 36px; }
  .steps, .grid, .platforms { grid-template-columns: 1fr; }
  .top nav a:not(.btn) { display: none; }
  section { padding: 52px 0; }
}