:root {
  --bg: #12151f;
  --panel: #1b2030;
  --text: #e6e9f2;
  --muted: #9aa3b8;
  --accent: #ef4b3f;
  --accent-text: #fff;
  --link: #8fb4ff;
  --line: #2a3045;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--link); }

.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }

header { border-bottom: 1px solid var(--line); }
header .wrap { display: flex; align-items: center; gap: 12px; padding-top: 14px; padding-bottom: 14px; }
header img { width: 28px; height: auto; }
header .name { font-weight: 700; color: var(--text); text-decoration: none; margin-right: auto; }
header nav a { color: var(--muted); text-decoration: none; margin-left: 18px; font-size: 15px; }
header nav a:hover { color: var(--text); }

.hero { display: flex; align-items: center; gap: 40px; padding: 56px 0 40px; }
.hero img { width: 150px; height: auto; flex: none; filter: drop-shadow(0 12px 30px rgba(40, 90, 200, .35)); }
.hero h1 { font-size: 40px; line-height: 1.15; margin: 0 0 12px; letter-spacing: -0.02em; }
.hero p { color: var(--muted); margin: 0 0 22px; }

.button {
  display: inline-block; background: var(--accent); color: var(--accent-text); font-weight: 600;
  padding: 11px 22px; border-radius: 8px; text-decoration: none;
}
.button:hover { filter: brightness(1.08); }

.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; padding-bottom: 48px; }
.feature { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 18px 20px; }
.feature h2 { font-size: 17px; margin: 0 0 6px; }
.feature p { margin: 0; color: var(--muted); font-size: 15px; }

article { padding: 40px 0 56px; }
article h1 { font-size: 32px; margin: 0 0 4px; letter-spacing: -0.01em; }
article .updated { color: var(--muted); margin: 0 0 28px; font-size: 15px; }
article h2 { font-size: 20px; margin: 32px 0 8px; }
article li { margin: 4px 0; }
code { background: var(--panel); padding: 1px 5px; border-radius: 4px; font-size: 0.92em; }

footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
footer .wrap { padding-top: 18px; padding-bottom: 28px; }

@media (max-width: 640px) {
  .hero { flex-direction: column; text-align: center; padding-top: 36px; gap: 24px; }
  .hero h1 { font-size: 32px; }
  .features { grid-template-columns: 1fr; }
  header nav a { margin-left: 12px; }
}