:root {
  --bg: #f7f7fb;
  --surface: #ffffff;
  --text: #14162a;
  --muted: #5b6079;
  --line: #e4e5ef;
  --accent: #6a4cf5;
  --accent-2: #14a88e;
  --grad: linear-gradient(135deg, #7c5cff, #22c3a6);
  --shadow: 0 1px 2px rgba(20, 22, 42, .04), 0 8px 24px rgba(20, 22, 42, .06);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d0f1a;
    --surface: #151829;
    --text: #eef0fa;
    --muted: #a3a8c3;
    --line: #262a40;
    --accent: #9b85ff;
    --accent-2: #3fd9bc;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }

.wrap { max-width: 1080px; margin: 0 auto; padding-inline: 20px; }

/* Header */
header.top {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
header.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 17px; }
.brand:hover { text-decoration: none; }
.brand img { width: 30px; height: 30px; }
nav.links { display: flex; gap: 22px; font-size: 15px; }
nav.links a { color: var(--muted); }
nav.links a:hover { color: var(--text); text-decoration: none; }
@media (max-width: 640px) { nav.links .opt { display: none; } }

/* Hero */
.hero { padding-block: 88px 72px; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -40% -20% auto auto; width: 620px; height: 620px;
  background: radial-gradient(closest-side, rgba(124, 92, 255, .22), transparent);
  pointer-events: none;
}
.eyebrow {
  display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
  color: var(--accent-2); margin-bottom: 14px;
}
.hero h1 { font-size: clamp(36px, 6.4vw, 64px); line-height: 1.06; margin: 0 0 20px; letter-spacing: -.02em; max-width: 15ch; }
.hero h1 span { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: clamp(17px, 2.2vw, 20px); color: var(--muted); max-width: 58ch; margin: 0 0 32px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 20px; border-radius: 12px;
  font-weight: 600; font-size: 15px; border: 1px solid var(--line); color: var(--text); background: var(--surface);
}
.btn:hover { text-decoration: none; border-color: var(--accent); }
.btn.primary { background: var(--grad); border: 0; color: #fff; }

/* Sections */
section { padding-block: 64px; }
section h2 { font-size: clamp(26px, 3.6vw, 36px); letter-spacing: -.015em; margin: 0 0 10px; }
section p.sub { color: var(--muted); margin: 0 0 36px; max-width: 60ch; }

.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 24px;
  box-shadow: var(--shadow);
}
.card h3 { margin: 12px 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.ico {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent);
}
.ico svg { width: 22px; height: 22px; }

.apps .card { display: flex; flex-direction: column; }
.tag { font-size: 12px; font-weight: 600; color: var(--accent-2); text-transform: uppercase; letter-spacing: .05em; }
.apps .more { margin-top: 28px; }

.stats { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); margin-top: 8px; }
.stat b { display: block; font-size: 30px; letter-spacing: -.02em; }
.stat span { color: var(--muted); font-size: 14px; }

.contact .card { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; padding: 32px; }
.contact h2 { margin-bottom: 6px; }
.contact p { margin: 0; color: var(--muted); }
.mail { font-size: 18px; font-weight: 600; word-break: break-all; }

/* Legal pages */
.doc { padding-block: 56px 72px; max-width: 760px; }
.doc h1 { font-size: clamp(30px, 5vw, 42px); letter-spacing: -.02em; margin: 0 0 6px; }
.doc .updated { color: var(--muted); margin: 0 0 32px; font-size: 14px; }
.doc h2 { font-size: 21px; margin: 34px 0 8px; }
.doc p, .doc li { color: var(--text); }
.doc ul { padding-left: 22px; }

/* Footer */
footer { border-top: 1px solid var(--line); padding-block: 28px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
footer nav { display: flex; flex-wrap: wrap; gap: 18px; }
footer a { color: var(--muted); }