:root {
  --ink: #15223b;
  --muted: #61708a;
  --blue: #3569e8;
  --pale: #edf3ff;
  --line: #dce4f2;
  --white: #ffffff;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background: linear-gradient(180deg, #f8faff 0%, #fff 46%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.65;
}
a { color: var(--blue); }
.site-header {
  width: min(1120px, calc(100% - 40px));
  margin: auto;
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { color: var(--ink); font-size: 1.25rem; font-weight: 800; text-decoration: none; }
nav { display: flex; gap: 24px; }
nav a { color: var(--muted); font-weight: 650; text-decoration: none; }
nav a:hover, nav a.active { color: var(--blue); }
main { width: min(1120px, calc(100% - 40px)); margin: auto; }
.hero {
  min-height: 570px;
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  align-items: center;
  gap: 70px;
}
.eyebrow {
  color: var(--blue);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}
h1 { max-width: 760px; margin: 12px 0 18px; font-size: clamp(2.35rem, 5vw, 4.6rem); line-height: 1.06; letter-spacing: -.045em; }
h2 { margin: 8px 0; line-height: 1.2; }
.hero p, .lead { color: var(--muted); font-size: 1.12rem; }
.hero-image { width: 100%; filter: drop-shadow(0 24px 35px rgba(43, 73, 130, .16)); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button { border: 0; border-radius: 10px; padding: 13px 20px; font: inherit; font-weight: 750; cursor: pointer; text-decoration: none; }
.primary { color: white; background: var(--blue); box-shadow: 0 8px 22px rgba(53, 105, 232, .25); }
.secondary { color: var(--ink); background: var(--pale); }
.message { min-height: 1.7em; color: var(--blue) !important; font-weight: 700; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; padding: 20px 0 90px; }
.card, .content-card { background: rgba(255,255,255,.86); border: 1px solid var(--line); border-radius: 18px; padding: 28px; box-shadow: 0 15px 40px rgba(27, 49, 91, .06); }
.card p, .content-card { color: var(--muted); }
.number { color: var(--blue); font-size: .8rem; font-weight: 800; }
.page { min-height: calc(100vh - 160px); padding: 90px 0; }
.page h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
.content-card { max-width: 760px; margin-top: 38px; }
.contact-list p { padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.contact-list p:last-child { border: 0; padding-bottom: 0; }
code { background: var(--pale); padding: 2px 6px; border-radius: 5px; }
footer { border-top: 1px solid var(--line); color: var(--muted); text-align: center; padding: 24px; font-size: .9rem; }

@media (max-width: 760px) {
  .site-header { align-items: flex-start; flex-direction: column; justify-content: center; gap: 10px; padding: 16px 0; }
  nav { gap: 18px; }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 40px; padding: 70px 0; }
  .hero-image { max-width: 520px; }
  .features { grid-template-columns: 1fr; }
  .page { padding-top: 65px; }
}