:root {
  color-scheme: dark;
  --bg: #0b1020;
  --surface: #111a30;
  --text: #edf2ff;
  --muted: #9aa8c3;
  --accent: #78aaff;
  --line: rgba(255,255,255,.1);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(ellipse at 75% 15%, rgba(53,103,190,.18), transparent 38%),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, sans-serif;
  line-height: 1.65;
}

a { color: inherit; text-decoration: none; }

.header {
  width: min(1160px, calc(100% - 48px));
  margin: auto;
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 3px;
}

nav { display: flex; gap: 32px; }
nav a { color: var(--muted); font-size: 14px; }
nav a:hover, nav a[aria-current="page"] { color: var(--text); }

main {
  width: min(1160px, calc(100% - 48px));
  margin: auto;
  flex: 1;
}

.hero {
  min-height: 590px;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 40px;
}

.eyebrow {
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
}

h1 {
  margin: 22px 0;
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1.08;
  letter-spacing: -3px;
}

h1 span { color: var(--accent); }

.hero-content > p, .lead {
  max-width: 520px;
  color: var(--muted);
  font-size: 17px;
}

.hero-art img { width: 100%; height: auto; }

.button {
  display: inline-flex;
  align-items: center;
  gap: 28px;
  margin-top: 25px;
  padding: 13px 20px;
  background: var(--accent);
  color: #081329;
  font-size: 14px;
  font-weight: 750;
  border-radius: 5px;
  transition: transform .2s, background .2s;
}

.button:hover {
  transform: translateY(-2px);
  background: #a1c3ff;
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding: 55px 0 85px;
  border-top: 1px solid var(--line);
}

.feature {
  padding: 25px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 9px;
}

.number { color: var(--accent); font-size: 12px; }
.feature h2, .about-grid h2 { font-size: 20px; }
.feature p, .about-grid p { color: var(--muted); font-size: 14px; }

.about { padding-top: 100px; padding-bottom: 100px; }
.about h1 { font-size: clamp(42px, 6vw, 66px); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  margin-top: 65px;
  padding-top: 35px;
  border-top: 1px solid var(--line);
}

footer {
  width: min(1160px, calc(100% - 48px));
  margin: auto;
  padding: 27px 0;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; padding: 70px 0; gap: 10px; }
  .hero-art { max-width: 440px; margin: auto; }
  .features { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 20px; }
  .about { padding-top: 65px; }
}

@media (max-width: 440px) {
  .header, main, footer { width: calc(100% - 32px); }
  nav { gap: 17px; }
  footer { gap: 15px; flex-wrap: wrap; }
}