* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #f6f8fb;
  color: #182033;
}

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

.site-header {
  min-height: 100vh;
  background:
    radial-gradient(circle at top right, rgba(45, 127, 249, 0.18), transparent 36%),
    linear-gradient(135deg, #0c1427 0%, #14213d 52%, #1e3765 100%);
  color: white;
}

.nav {
  max-width: 1120px;
  margin: 0 auto;
  padding: 28px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-weight: 800;
  letter-spacing: 0.4px;
  font-size: 24px;
}

nav {
  display: flex;
  gap: 24px;
  color: rgba(255,255,255,0.82);
  font-size: 15px;
}

.hero {
  max-width: 1120px;
  margin: 0 auto;
  padding: 92px 24px 120px;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  gap: 48px;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 13px;
  font-weight: 700;
  color: #60a5fa;
  margin: 0 0 16px;
}

h1 {
  font-size: clamp(44px, 7vw, 76px);
  line-height: 0.98;
  margin: 0 0 24px;
  letter-spacing: -0.05em;
}

h2 {
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.08;
  margin: 0 0 18px;
  letter-spacing: -0.035em;
}

h3 {
  margin: 0 0 12px;
  font-size: 22px;
}

.subtitle {
  max-width: 660px;
  font-size: 20px;
  line-height: 1.65;
  color: rgba(255,255,255,0.78);
  margin: 0 0 34px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
}

.primary {
  background: #60a5fa;
  color: #081225;
}

.secondary {
  border: 1px solid rgba(255,255,255,0.3);
  color: white;
}

.hero-card {
  position: relative;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.18);
  backdrop-filter: blur(16px);
  border-radius: 28px;
  padding: 30px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.28);
}

.status-dot {
  width: 14px;
  height: 14px;
  background: #22c55e;
  border-radius: 999px;
  box-shadow: 0 0 0 8px rgba(34,197,94,0.15);
  margin-bottom: 22px;
}

.hero-card p {
  color: rgba(255,255,255,0.76);
  line-height: 1.55;
}

.mini-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  color: rgba(255,255,255,0.76);
}

.mini-grid strong {
  color: #86efac;
}

.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 96px 24px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 34px;
}

.card {
  background: white;
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 12px 34px rgba(15,23,42,0.08);
  border: 1px solid #e7edf5;
}

.card p,
.split p,
.contact p {
  color: #5d687b;
  line-height: 1.7;
  font-size: 17px;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 46px;
  align-items: center;
  background: white;
  border-radius: 36px;
  box-shadow: 0 16px 50px rgba(15,23,42,0.08);
  margin-top: 30px;
  margin-bottom: 30px;
}

.feature-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.feature-list li {
  background: #f1f5fb;
  padding: 18px 20px;
  border-radius: 16px;
  font-weight: 700;
  color: #273247;
}

.contact {
  text-align: center;
}

footer {
  padding: 32px 24px;
  text-align: center;
  color: #69748a;
}

@media (max-width: 820px) {
  nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 60px;
  }

  .cards,
  .split {
    grid-template-columns: 1fr;
  }

  .split {
    border-radius: 0;
  }
}