* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #0f172a;
  --bg-soft: #111827;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --accent: #38bdf8;
  --accent-2: #a78bfa;
  --light: #f8fafc;
  --border: #e2e8f0;
}

html {
  scroll-behavior: smooth;
}

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

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

.hero {
  min-height: 100vh;
  background:
    radial-gradient(circle at 20% 20%, rgba(56, 189, 248, 0.25), transparent 28%),
    radial-gradient(circle at 80% 10%, rgba(167, 139, 250, 0.22), transparent 30%),
    linear-gradient(135deg, #020617 0%, #0f172a 55%, #111827 100%);
  color: white;
  padding: 28px 7%;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.nav-links {
  display: flex;
  gap: 22px;
  color: #cbd5e1;
  font-size: 15px;
}

.nav-links a:hover {
  color: white;
}

.hero-content {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
  padding: 110px 0 60px;
}

.badge {
  display: inline-block;
  margin-bottom: 14px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.14);
  color: var(--accent);
  font-weight: 700;
  font-size: 14px;
}

.hero h1 {
  max-width: 820px;
  font-size: clamp(38px, 6vw, 74px);
  line-height: 1.05;
  margin-bottom: 24px;
}

.hero p {
  max-width: 680px;
  color: #cbd5e1;
  font-size: 19px;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 14px;
  font-weight: 800;
  transition: 0.2s;
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #020617;
}

.btn.secondary {
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
}

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

.terminal-card {
  border-radius: 24px;
  overflow: hidden;
  background: #020617;
  border: 1px solid rgba(148, 163, 184, 0.25);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
}

.terminal-top {
  display: flex;
  gap: 8px;
  padding: 16px;
  background: #111827;
}

.terminal-top span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #38bdf8;
}

.terminal-top span:nth-child(2) {
  background: #a78bfa;
}

.terminal-top span:nth-child(3) {
  background: #22c55e;
}

pre {
  padding: 28px;
  overflow-x: auto;
}

code {
  font-family: Consolas, monospace;
  color: #e2e8f0;
}

.section {
  padding: 90px 7%;
}

.section-title {
  max-width: 820px;
  margin-bottom: 36px;
}

.section-title h2,
.split h2,
.cta h2 {
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.15;
}

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

.card,
.info-box,
details {
  background: white;
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 12px 34px rgba(15, 23, 42, 0.06);
}

.card h3,
.step h3,
.info-box h3 {
  margin-bottom: 10px;
  font-size: 22px;
}

.card p,
.step p,
.split p,
.info-box p,
details p {
  color: var(--muted);
}

.dark-block {
  background: var(--bg);
  color: white;
}

.dark-block .section-title h2 {
  color: white;
}

.timeline {
  display: grid;
  gap: 18px;
}

.step {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 20px;
  padding: 24px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.step span {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #020617;
  font-weight: 900;
}

.step p {
  color: #cbd5e1;
}

.split {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: 34px;
  align-items: center;
}

.info-box {
  background: linear-gradient(135deg, #ffffff, #eef2ff);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

summary {
  cursor: pointer;
  font-weight: 800;
  font-size: 18px;
}

details p {
  margin-top: 12px;
}

.cta {
  margin: 40px 7% 90px;
  padding: 60px;
  border-radius: 30px;
  text-align: center;
  color: white;
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.35), transparent 30%),
    linear-gradient(135deg, #0f172a, #312e81);
}

.cta p {
  color: #cbd5e1;
  margin: 12px 0 28px;
}

footer {
  padding: 26px 7%;
  text-align: center;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

@media (max-width: 900px) {
  .hero-content,
  .cards,
  .split,
  .faq-grid {
    grid-template-columns: 1fr;
  }

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

  .nav-links {
    flex-wrap: wrap;
  }

  .hero-content {
    padding-top: 70px;
  }

  .cta {
    padding: 38px 24px;
  }
}

@media (max-width: 560px) {
  .hero,
  .section {
    padding-left: 20px;
    padding-right: 20px;
  }

  .step {
    grid-template-columns: 1fr;
  }

  .hero p {
    font-size: 17px;
  }
}
