:root {
  --bg: #121419;
  --panel: #1f2129;
  --text: #ffffff;
  --sub: rgba(255, 255, 255, 0.65);
  --green: #3dd687;
  --orange: #ff7321;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Rounded", "Segoe UI", Roboto, sans-serif;
}
main { max-width: 720px; margin: 0 auto; padding: 32px 16px 64px; }
header { display: flex; align-items: center; gap: 16px; margin-bottom: 8px; }
header img { width: 72px; height: 72px; border-radius: 16px; }
h1 { font-size: 34px; line-height: 1.15; margin: 0; font-weight: 900; }
.tag { color: var(--sub); font-size: 13px; letter-spacing: 0.08em; font-weight: 700; text-transform: uppercase; margin: 2px 0 0; }
h2 { font-size: 21px; margin: 32px 0 8px; }
section { background: var(--panel); border-radius: 16px; padding: 4px 20px 16px; margin-top: 20px; }
p, li { color: rgba(255, 255, 255, 0.88); }
a { color: var(--green); }
nav { margin: 24px 0 0; display: flex; gap: 20px; flex-wrap: wrap; }
.contact { font-size: 20px; font-weight: 700; }
footer { margin-top: 40px; color: var(--sub); font-size: 14px; }