:root {
  --bg: #0d1117;
  --bg-alt: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --text-dim: #8b949e;
  --accent: #f46b1a;
  --accent-dim: #c9540f;
  --green: #3fb950;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-dim); }

.wrap { max-width: 960px; margin: 0 auto; padding: 0 20px; }

/* Header */
header {
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
  position: sticky;
  top: 0;
  background: rgba(13, 17, 23, 0.92);
  backdrop-filter: blur(8px);
  z-index: 10;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--text); }
.brand img { width: 28px; height: 28px; border-radius: 4px; }
nav a { color: var(--text-dim); margin-left: 24px; font-size: 14px; }
nav a:hover { color: var(--text); }

/* Hero */
.hero {
  text-align: center;
  padding: 80px 0 60px;
  border-bottom: 1px solid var(--border);
}
.hero h1 {
  font-size: 48px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.hero .tagline {
  font-size: 20px;
  color: var(--text-dim);
  max-width: 640px;
  margin: 0 auto 32px;
}
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid var(--border);
  background: var(--bg-alt);
  color: var(--text);
  cursor: pointer;
  transition: all 0.15s ease;
}
.btn:hover { background: #21262d; border-color: #484f58; color: var(--text); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dim); border-color: var(--accent-dim); color: #fff; }

/* Sections */
section { padding: 60px 0; border-bottom: 1px solid var(--border); }
section h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
section .lead { color: var(--text-dim); margin-bottom: 32px; max-width: 640px; }

/* Download grid */
.downloads {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.dl-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  text-align: center;
}
.dl-card h3 { font-size: 18px; margin-bottom: 4px; }
.dl-card p { color: var(--text-dim); font-size: 13px; margin-bottom: 16px; }

/* Features grid */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.feature {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
}
.feature h3 { font-size: 16px; margin-bottom: 6px; color: var(--text); }
.feature p { color: var(--text-dim); font-size: 14px; }

/* Code blocks */
pre {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px;
  overflow-x: auto;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 13px;
  color: var(--text);
  margin-top: 16px;
}
code { font-family: "SFMono-Regular", Consolas, monospace; font-size: 0.9em; }

/* About */
.about p { margin-bottom: 16px; max-width: 720px; color: var(--text-dim); }
.about p strong { color: var(--text); }

/* Footer */
footer {
  padding: 30px 0 60px;
  color: var(--text-dim);
  font-size: 14px;
  text-align: center;
}
footer a { color: var(--text-dim); }
footer a:hover { color: var(--text); }
footer .footer-links a { margin: 0 10px; }

@media (max-width: 600px) {
  .hero { padding: 50px 0 40px; }
  .hero h1 { font-size: 36px; }
  .hero .tagline { font-size: 17px; }
  nav a { margin-left: 14px; }
}