:root {
  --bg: #f7f8fb;
  --card: #ffffff;
  --text: #182033;
  --muted: #5d677a;
  --border: #dfe4ee;
  --accent: #1f5eff;
  --accent-dark: #1748c7;
}

* {
  box-sizing: border-box;
}

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

header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
}

.nav {
  max-width: 1040px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

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

main {
  max-width: 1040px;
  margin: 0 auto;
  padding: 56px 24px;
}

.hero {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 32px;
  align-items: center;
}

.hero-card,
.content-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 32px;
  box-shadow: 0 12px 30px rgba(20, 31, 56, 0.06);
}

.eyebrow {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 10px;
}

h1 {
  font-size: clamp(2.1rem, 5vw, 4rem);
  line-height: 1.05;
  margin: 0 0 18px;
}

h2 {
  margin-top: 0;
  font-size: 1.55rem;
}

h3 {
  margin-top: 24px;
  margin-bottom: 8px;
}

p {
  color: var(--muted);
  margin: 0 0 16px;
}

ul {
  color: var(--muted);
  padding-left: 22px;
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.button {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  padding: 12px 18px;
  border-radius: 10px;
  font-weight: 700;
}

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

.button.secondary {
  background: #eef2ff;
  color: var(--accent-dark);
}

.feature-list {
  display: grid;
  gap: 14px;
}

.feature {
  border-left: 4px solid var(--accent);
  padding-left: 14px;
}

.feature strong {
  display: block;
  color: var(--text);
}

.notice {
  background: #eef7ff;
  border: 1px solid #c7e2ff;
  border-radius: 12px;
  padding: 16px;
  color: var(--muted);
  margin-top: 24px;
}

footer {
  border-top: 1px solid var(--border);
  background: var(--card);
}

.footer-inner {
  max-width: 1040px;
  margin: 0 auto;
  padding: 24px;
  color: var(--muted);
  font-size: 0.9rem;
}

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

@media (max-width: 760px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  main {
    padding-top: 32px;
  }
}