:root {
  --bg: #0b0e14;
  --bg-alt: #10141d;
  --fg: #d7dce4;
  --muted: #8a93a3;
  --accent: #37d39a;
  --accent-dim: #1f7a5a;
  --card: #151a25;
  --border: #232a38;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

/* Nav */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}
.brand {
  font-weight: 800;
  letter-spacing: 0.12em;
  font-size: 1.15rem;
  color: var(--fg);
  text-decoration: none;
}
.brand span { color: var(--accent); }
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 1.5rem;
  font-size: 0.95rem;
}
.nav-links a:hover { color: var(--accent); }

/* Hero */
.hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 6rem 2rem 5rem;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.15;
  margin-bottom: 1.2rem;
}
.accent { color: var(--accent); }
.sub {
  color: var(--muted);
  font-size: 1.15rem;
  max-width: 620px;
  margin-bottom: 2rem;
}
.cta-row { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 0.7rem 1.5rem;
  background: var(--accent);
  color: #06231a;
  font-weight: 700;
  border-radius: 6px;
  text-decoration: none;
}
.btn:hover { background: #4ee7b0; }
.btn.ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
}
.btn.ghost:hover { border-color: var(--accent); }

/* Sections */
.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 2rem;
}
.section.alt {
  max-width: none;
  background: var(--bg-alt);
}
.section.alt > * { max-width: 1100px; margin-left: auto; margin-right: auto; }
.section h2 { font-size: 1.9rem; margin-bottom: 0.4rem; }
.section-sub { color: var(--muted); margin-bottom: 2rem; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.2rem;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.4rem;
}
.card h3 { color: var(--accent); margin-bottom: 0.5rem; font-size: 1.1rem; }
.card p { color: var(--muted); font-size: 0.95rem; }

/* Split + terminal */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}
@media (max-width: 760px) { .split { grid-template-columns: 1fr; } }
.checklist { list-style: none; }
.checklist li {
  padding: 0.45rem 0 0.45rem 1.6rem;
  position: relative;
  color: var(--muted);
}
.checklist li::before {
  content: ">";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}
.terminal-box {
  background: #070a10;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.4rem;
  overflow-x: auto;
}
.terminal-box pre {
  font-family: "SF Mono", Consolas, Menlo, monospace;
  font-size: 0.9rem;
  color: var(--fg);
}
.prompt { color: var(--accent); }
.comment { color: #5a6373; }

/* Contact */
.mailto {
  color: var(--accent);
  font-size: 1.3rem;
  text-decoration: none;
}
.mailto:hover { text-decoration: underline; }

footer {
  border-top: 1px solid var(--border);
  padding: 2rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}