:root {
  --bg: #000;
  --panel: rgba(12, 14, 13, .82);
  --line: rgba(142, 183, 148, .22);
  --text: #f8f0f6;
  --muted: #b9b3b8;
  --accent: #8eb794;
  --accent-dark: #648069;
}

* { box-sizing: border-box; }

html { color-scheme: dark; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: url(../images/bg.jpg) repeat var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
}

main {
  flex: 1;
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 72px 16px 32px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 40px 32px;
}

h1 { font-size: 1.9rem; line-height: 1.2; margin: 0 0 16px; font-weight: 600; }
h2 { font-size: 1.15rem; margin: 32px 0 8px; color: var(--accent); font-weight: 600; }
p, li { color: var(--muted); }
p:last-child { margin-bottom: 0; }
strong { color: var(--text); font-weight: 600; }

a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--text); }

.lead { font-size: 1.1rem; color: var(--text); }

.mail-btn {
  font: inherit;
  color: var(--accent);
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 4px 12px;
  cursor: pointer;
}
.mail-btn:hover { color: var(--text); border-color: var(--accent); }

footer {
  text-align: center;
  padding: 24px 16px 32px;
  font-size: .9rem;
  color: var(--muted);
}
footer a { margin: 0 10px; }

@media (max-width: 560px) {
  main { padding-top: 32px; }
  .panel { padding: 28px 20px; }
  h1 { font-size: 1.5rem; }
}