:root {
  --bg: #0f1720;
  --card: #0b1220;
  --accent: #1e90ff;
  --muted: #9aa6b2;
  --text: #e6eef6;
}
* {
  box-sizing: border-box;
}
body {
  font-family:
    Inter,
    system-ui,
    Segoe UI,
    Roboto,
    Helvetica,
    Arial,
    sans-serif;
  margin: 0;
  background: linear-gradient(180deg, #071025 0%, var(--bg) 100%);
  color: var(--text);
}
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  background: rgba(0, 0, 0, 0.12);
}
.logo {
  height: 48px;
}
.nav a {
  color: var(--text);
  margin-left: 16px;
  text-decoration: none;
}
.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 48px;
  gap: 24px;
}
.hero-inner {
  max-width: 640px;
}
.hero h1 {
  font-size: 44px;
  margin: 0;
}
.tagline {
  color: var(--accent);
  font-weight: 600;
}
.lead {
  color: var(--muted);
}
.button {
  display: inline-block;
  margin-top: 12px;
  background: var(--accent);
  color: #001029;
  padding: 10px 16px;
  border-radius: 8px;
  text-decoration: none;
}
.section {
  padding: 40px 24px;
}
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.card {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.02),
    rgba(0, 0, 0, 0.04)
  );
  padding: 16px;
  border-radius: 10px;
}
.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  padding: 0;
}
.skills-list li {
  background: rgba(255, 255, 255, 0.03);
  padding: 8px 10px;
  border-radius: 8px;
}
.site-footer {
  padding: 24px;
  text-align: center;
  color: var(--muted);
}
@media (max-width: 800px) {
  .hero {
    flex-direction: column;
    text-align: center;
  }
  .logo {
    height: 40px;
  }
}