:root {
  --bg: #0b1020;
  --panel: #111a33;
  --header: #2F6B57;
  --text: #f4f7fb;
  --muted: #d9e4df;
  --accent: #8ddfcb;
  --accent-dark: #48bba5;
  --line: rgba(255,255,255,.16);
  --shadow: 0 20px 60px rgba(0,0,0,.35);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--text);
  background: radial-gradient(circle at 15% 10%, #1f3765 0, transparent 35%), var(--bg);
  line-height: 1.6;
}

a { color: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--header);
  border-bottom: 1px solid var(--line);
}

.nav {
  max-width: 1120px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  font-weight: 750;
}

.logo-icon {
  height: 56px;
  width: 56px;
  object-fit: contain;
  display: block;
}

.brand-text {
  font-size: 1.35rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 24px;
  color: #ffffff;
  font-weight: 650;
}

.nav-links a {
  text-decoration: none;
  opacity: .9;
}

.nav-links a:hover {
  opacity: 1;
  color: var(--accent);
}

.nav-toggle { display: none; }

.hero, .section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 92px 24px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: .78rem;
  font-weight: 800;
}

h1, h2, h3 {
  line-height: 1.1;
  margin: 0 0 20px;
}

h1 {
  font-size: clamp(2.6rem, 6vw, 5.4rem);
  letter-spacing: -.06em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  letter-spacing: -.04em;
}

h3 { font-size: 1.35rem; }

.lead {
  font-size: 1.25rem;
  color: var(--muted);
  max-width: 780px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 750;
  text-decoration: none;
  border: 1px solid var(--line);
}

.primary {
  background: var(--accent);
  color: #071017;
  border-color: var(--accent);
}

.primary:hover { background: var(--accent-dark); }

.secondary { background: rgba(255,255,255,.06); }

.hero-card, .card, .cta {
  background: rgba(255,255,255,.06);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.hero-card { padding: 28px; }

.hero-card ul {
  padding-left: 20px;
  color: var(--muted);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.card {
  padding: 26px;
  min-height: 250px;
}

.card p, .cta p { color: var(--muted); }

.split {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.steps {
  display: grid;
  gap: 16px;
}

.steps div {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 18px;
  padding: 20px;
  border-top: 1px solid var(--line);
}

.steps span {
  color: var(--accent);
  font-weight: 900;
}

.cta {
  text-align: center;
  padding: 56px 28px;
}

.footer {
  max-width: 1120px;
  margin: 0 auto;
  padding: 28px 24px 56px;
  display: flex;
  gap: 18px;
  justify-content: space-between;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.footer a { color: var(--muted); }

@media (max-width: 900px) {
  .hero, .split { grid-template-columns: 1fr; }
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .nav { align-items: flex-start; }

  .nav-toggle {
    display: inline-flex;
    background: transparent;
    color: var(--text);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 8px 12px;
  }

  .nav-links {
    display: none;
    position: absolute;
    left: 24px;
    right: 24px;
    top: 86px;
    padding: 18px;
    flex-direction: column;
    background: var(--header);
    border: 1px solid var(--line);
    border-radius: 18px;
  }

  .nav-links.open { display: flex; }
  .grid { grid-template-columns: 1fr; }
  .footer { flex-direction: column; }
}