:root {
  --bg: #0f172a;
  --panel: #111827;
  --primary: #38bdf8;
  --accent: #22c55e;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --card: #020617;
}

* {
  box-sizing: border-box;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
  margin: 0;
  background: radial-gradient(circle at top, #020617, #020617 60%);
  color: var(--text);
}

a {
  color: var(--primary);
  text-decoration: none;
}

header {
  padding: 20px 0;
}

.nav {
  max-width: 1100px;
  margin: auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.4px;
}

.nav-links a {
  margin-left: 18px;
  font-weight: 500;
  color: var(--muted);
}

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

.hero {
  max-width: 1100px;
  margin: auto;
  padding: 80px 20px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
}

.hero h1 {
  font-size: 44px;
  line-height: 1.2;
}

.hero p {
  font-size: 18px;
  color: var(--muted);
  margin-top: 20px;
}

.hero-buttons {
  margin-top: 30px;
}

.hero-buttons a {
  display: inline-block;
  padding: 14px 26px;
  border-radius: 10px;
  font-weight: 700;
  margin-right: 14px;
}

.btn-main {
  background: linear-gradient(135deg, var(--primary), #60a5fa);
  color: #020617;
}

.btn-alt {
  border: 1px solid #334155;
  color: var(--text);
}

.hero-visual {
  background: linear-gradient(160deg, #020617, #020617);
  border-radius: 18px;
  padding: 28px;
  border: 1px solid #1e293b;
}

.fake-mail {
  background: #020617;
  border-radius: 12px;
  padding: 18px;
  margin-bottom: 14px;
  border: 1px solid #1e293b;
}

.section {
  max-width: 1100px;
  margin: auto;
  padding: 60px 20px;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.timeline-item {
  background: var(--card);
  border-radius: 14px;
  padding: 26px;
  border: 1px solid #1e293b;
}

.timeline-item h3 {
  margin-top: 0;
  color: var(--primary);
}

footer {
  border-top: 1px solid #1e293b;
  padding: 30px 20px;
  margin-top: 60px;
}

.footer-inner {
  max-width: 1100px;
  margin: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
  font-size: 14px;
  color: var(--muted);
}

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