:root {
  --bg: #0b1220;
  --panel: #111b2e;
  --panel-light: #f4f7fb;
  --text: #162033;
  --muted: #667085;
  --white: #ffffff;
  --accent: #2f6df6;
  --accent-dark: #1f4fc2;
  --border: #d8e0ed;
  --shadow: 0 18px 50px rgba(10, 25, 47, 0.15);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: #ffffff;
  line-height: 1.6;
}

a {
  color: inherit;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
}

.nav {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  gap: 12px;
  align-items: center;
  text-decoration: none;
  font-weight: 700;
  font-size: 18px;
}

.logo-mark {
  display: inline-flex;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: var(--white);
  letter-spacing: 1px;
}

.main-nav {
  display: flex;
  gap: 28px;
  color: #25314a;
  font-weight: 600;
}

.main-nav a {
  text-decoration: none;
}

.main-nav a:hover {
  color: var(--accent);
}

.nav-toggle {
  display: none;
  border: 0;
  background: transparent;
  font-size: 28px;
}

.hero {
  background:
    radial-gradient(circle at top right, rgba(47, 109, 246, 0.35), transparent 35%),
    linear-gradient(135deg, #0b1220 0%, #12213a 100%);
  color: var(--white);
  padding: 100px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 13px;
  font-weight: 700;
}

.hero .eyebrow {
  color: #9ab8ff;
}

h1 {
  font-size: clamp(40px, 6vw, 68px);
  line-height: 1.05;
  margin: 0 0 24px;
  letter-spacing: -0.04em;
}

h2 {
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.15;
  margin: 0 0 24px;
  letter-spacing: -0.03em;
}

h3 {
  margin-top: 0;
}

.lead {
  font-size: 20px;
  color: #d8e3f8;
  max-width: 760px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid transparent;
}

.btn.primary {
  background: var(--accent);
  color: var(--white);
}

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

.btn.secondary {
  border-color: rgba(255, 255, 255, 0.35);
  color: var(--white);
}

.btn.full {
  width: 100%;
  margin-top: 12px;
}

.hero-card {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 24px;
  padding: 32px;
  box-shadow: var(--shadow);
}

.hero-card ul,
.list-box ul {
  padding-left: 22px;
  margin-bottom: 0;
}

.section {
  padding: 88px 0;
}

.section.alt {
  background: var(--panel-light);
}

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

.card,
.step,
.contact-card,
.list-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 26px;
  box-shadow: 0 8px 28px rgba(10, 25, 47, 0.06);
}

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

.two-col,
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.step span {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  background: #edf3ff;
  color: var(--accent);
  border-radius: 12px;
  font-weight: 800;
  margin-bottom: 16px;
}

.contact {
  background: #0b1220;
  color: var(--white);
}

.contact p {
  color: #d8e3f8;
}

.contact-card {
  color: var(--text);
}

.contact-card p {
  color: var(--text);
}

.site-footer {
  padding: 28px 0;
  background: #080d18;
  color: #c7d2e5;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

@media (max-width: 840px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 72px;
    right: 20px;
    left: 20px;
    flex-direction: column;
    gap: 0;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--shadow);
    overflow: hidden;
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    padding: 16px 18px;
    border-bottom: 1px solid var(--border);
  }

  .nav-toggle {
    display: block;
  }

  .hero {
    padding: 72px 0;
  }

  .hero-grid,
  .two-col,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-grid {
    flex-direction: column;
  }
}