:root {
  --bg-dark: #0b1f1a;
  --bg-darker: #071512;
  --accent: #35d07f;
  --accent-2: #1f9e63;
  --text: #eafff2;
  --text-muted: #9fc8b3;
}

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

html, body {
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(circle at top, var(--bg-dark), var(--bg-darker));
  color: var(--text);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.wrap {
  width: 100%;
  max-width: 720px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 48px;
}

header .logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

header .logo span {
  color: var(--accent);
}

main {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

main h1 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
}

.subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 480px;
  line-height: 1.6;
}

.contact a {
  display: inline-block;
  margin-top: 8px;
  padding: 12px 28px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #05130d;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.contact a:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(53, 208, 127, 0.35);
}

footer {
  color: var(--text-muted);
  font-size: 0.85rem;
}