:root {
  --bg: #0f1115;
  --card-bg: #171a21;
  --text: #f2f3f5;
  --muted: #9aa0aa;
  --accent: #4f8cff;
  --facebook: #1877f2;
  --instagram: #e1306c;
  --linkedin: #0a66c2;
  --border: #262a33;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f5f7;
    --card-bg: #ffffff;
    --text: #14161a;
    --muted: #5b6270;
    --border: #e4e6eb;
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.card {
  width: 100%;
  max-width: 420px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px 32px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.avatar {
  width: 88px;
  height: 88px;
  margin: 0 auto 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 28px;
  letter-spacing: 1px;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), #7b5bff);
}

h1 {
  margin: 0 0 6px;
  font-size: 1.4rem;
  line-height: 1.3;
}

.title {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 0.95rem;
}

.social-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.social-link:hover {
  transform: translateY(-2px);
}

.social-link.facebook:hover {
  border-color: var(--facebook);
  background: color-mix(in srgb, var(--facebook) 10%, transparent);
}

.social-link.instagram:hover {
  border-color: var(--instagram);
  background: color-mix(in srgb, var(--instagram) 10%, transparent);
}

.social-link.linkedin:hover {
  border-color: var(--linkedin);
  background: color-mix(in srgb, var(--linkedin) 10%, transparent);
}

.social-link.facebook svg {
  color: var(--facebook);
}

.social-link.instagram svg {
  color: var(--instagram);
}

.social-link.linkedin svg {
  color: var(--linkedin);
}

.footer {
  margin-top: 32px;
  color: var(--muted);
  font-size: 0.8rem;
}