:root {
  --bg: #07111f;
  --surface: #0f1d30;
  --surface-2: #14253d;
  --text: #f4f7fb;
  --muted: #a2b0c3;
  --accent: #4f8cff;
  --accent-soft: rgba(79, 140, 255, 0.16);
  --border: rgba(255, 255, 255, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  color: var(--text);
  background: linear-gradient(135deg, #07111f 0%, #101c2f 100%);
  line-height: 1.6;
}

img {
  max-width: 100%;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.hero {
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(79, 140, 255, 0.24), transparent 28%),
    linear-gradient(135deg, rgba(15, 29, 48, 0.98), rgba(7, 17, 31, 0.97));
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 0;
}

.brand {
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.nav-link {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
}

.hero-content {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 2rem;
  align-items: center;
  padding: 4rem 0 5rem;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: #7eb0ff;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  font-size: 0.78rem;
  font-weight: 700;
}

h1,
h2,
h3 {
  margin: 0 0 1rem;
  line-height: 1.1;
}

h1 {
  font-size: clamp(2.2rem, 3.6vw, 3.8rem);
  max-width: 700px;
}

.hero-text {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 640px;
  margin-bottom: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.25rem;
  border-radius: 999px;
  background: var(--accent);
  color: white;
  text-decoration: none;
  font-weight: 600;
  transition: transform 180ms ease, box-shadow 180ms ease;
  box-shadow: 0 12px 30px rgba(79, 140, 255, 0.25);
}

.button:hover {
  transform: translateY(-2px);
}

.hero-card {
  padding: 1.6rem;
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(16px);
}

.hero-card ul {
  padding-left: 1.1rem;
  color: var(--muted);
  margin: 0;
}

.section {
  padding: 4.5rem 0;
}

.intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.intro p:last-child {
  color: var(--muted);
  font-size: 1.02rem;
  margin: 0;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
}

.card {
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: var(--surface);
}

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

.footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0 3rem;
  background: rgba(7, 17, 31, 0.6);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.button-dark {
  background: white;
  color: var(--bg);
  box-shadow: none;
}

@media (max-width: 800px) {
  .hero-content,
  .intro,
  .cards {
    grid-template-columns: 1fr;
  }

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