:root {
  --bg: #f6f7fb;
  --card: #ffffff;
  --text: #101828;
  --muted: #667085;
  --border: #e4e7ec;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --shadow: 0 20px 50px rgba(16, 24, 40, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

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

.hero {
  min-height: 520px;
  padding: 24px;
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.22), transparent 35%),
    linear-gradient(135deg, #0f172a 0%, #1e293b 48%, #111827 100%);
  color: white;
}

.nav {
  width: min(1120px, 100%);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.04em;
}

.nav-links {
  display: flex;
  gap: 22px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 15px;
}

.hero-content {
  width: min(920px, 100%);
  margin: 110px auto 70px;
  text-align: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: #60a5fa;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  font-size: 13px;
}

h1 {
  margin: 0;
  font-size: clamp(42px, 7vw, 78px);
  line-height: 0.95;
  letter-spacing: -0.07em;
}

h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 46px);
  letter-spacing: -0.05em;
}

h3 {
  margin: 16px 0 8px;
  font-size: 22px;
  letter-spacing: -0.03em;
}

.hero-text {
  max-width: 680px;
  margin: 24px auto 34px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 19px;
  line-height: 1.6;
}

.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  background: var(--primary);
  color: white;
  font-weight: 800;
  box-shadow: 0 16px 36px rgba(37, 99, 235, 0.35);
  transition: 0.2s ease;
}

.primary-button:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

.section {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 72px 0;
}

.section-title {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  margin-bottom: 28px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card {
  min-height: 260px;
  padding: 26px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 28px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: 0.2s ease;
}

.card:hover {
  transform: translateY(-5px);
  border-color: rgba(37, 99, 235, 0.35);
}

.icon {
  width: 58px;
  height: 58px;
  border-radius: 20px;
  display: grid;
  place-items: center;
  background: #eff6ff;
  font-size: 28px;
}

.card p {
  color: var(--muted);
  line-height: 1.55;
  margin: 0;
}

.card span {
  margin-top: auto;
  padding-top: 28px;
  color: var(--primary);
  font-weight: 800;
}

.info-section {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 28px;
}

.steps {
  display: grid;
  gap: 14px;
}

.steps div {
  background: white;
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 20px;
  display: flex;
  gap: 16px;
  align-items: start;
}

.steps strong {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: #eff6ff;
  color: var(--primary);
  display: grid;
  place-items: center;
  flex: 0 0 auto;
}

.steps p {
  margin: 6px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

code {
  background: #eef2ff;
  color: #3730a3;
  padding: 2px 6px;
  border-radius: 7px;
}

footer {
  padding: 34px 16px;
  text-align: center;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

@media (max-width: 850px) {
  .cards {
    grid-template-columns: 1fr;
  }

  .section-title,
  .info-section {
    display: block;
  }

  .nav {
    align-items: flex-start;
    gap: 18px;
  }

  .nav-links {
    display: none;
  }

  .hero-content {
    margin-top: 80px;
  }

  .card {
    min-height: auto;
  }
}