:root {
  --bg: #fafbff;
  --fg: #1a1a2e;
  --muted: #555a72;
  --accent-1: #4a90e2;
  --accent-2: #825ee4;
  --line: #e6e8f0;
  --card-bg: #ffffff;
  --shadow: 0 6px 32px rgba(80, 70, 180, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1020;
    --fg: #f0f1f7;
    --muted: #9aa0bb;
    --line: #2a2c40;
    --card-bg: #1a1c2e;
    --shadow: 0 6px 32px rgba(0, 0, 0, 0.3);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.card {
  max-width: 560px;
  width: 100%;
  background: var(--card-bg);
  border-radius: 18px;
  padding: 3rem 2.5rem;
  box-shadow: var(--shadow);
  text-align: center;
}

.logo {
  width: 110px;
  margin: 0 auto 1.25rem;
}

.logo svg {
  width: 100%;
  height: auto;
  display: block;
}

.wordmark {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 2rem;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.msg h2 {
  font-size: 1.35rem;
  font-weight: 600;
  margin: 0 0 0.6rem;
  color: var(--fg);
}

.msg p {
  margin: 0 0 0.6rem;
  color: var(--muted);
}

.msg .contact {
  margin-top: 0.9rem;
  font-size: 0.95rem;
}

.msg a {
  color: var(--accent-2);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--accent-2) 35%, transparent);
  transition: border-color 0.15s ease;
}

.msg a:hover,
.msg a:focus {
  border-bottom-color: var(--accent-2);
}

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 1.75rem auto;
  width: 60%;
}

@media (max-width: 480px) {
  .card { padding: 2rem 1.25rem; border-radius: 14px; }
  .wordmark { font-size: 1.6rem; margin-bottom: 1.5rem; }
  .logo { width: 90px; }
  .msg h2 { font-size: 1.2rem; }
}