:root {
  --text: #1a1a1a;
  --muted: #666666;
  --border: #e5e5e5;
  --bg: #f5f5f5;
  --accent: #111111;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  justify-content: center;
  padding: 48px 16px;
  line-height: 1.5;
}

.card {
  width: 100%;
  max-width: 560px;
  background: var(--bg);
  border-radius: 16px;
  padding: 40px;
}

.profile {
  display: flex;
  align-items: center;
  gap: 16px;
}

.avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  object-position: 50% 15%;
  flex-shrink: 0;
}

.profile-text h1 {
  font-size: 18px;
  margin: 0;
}

.title {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 14px;
}

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 28px 0;
}

h2 {
  font-size: 15px;
  margin: 0 0 12px;
}

.bio {
  color: #333;
  font-size: 15px;
  margin: 0 0 20px;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.social-btn:hover {
  background: #fafafa;
  border-color: #d4d4d4;
}

.contact-intro {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 16px;
}

form {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

label {
  font-size: 13px;
  font-weight: 500;
  color: #333;
  margin-top: 10px;
}

input,
textarea {
  font: inherit;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
}

input:focus,
textarea:focus {
  outline: none;
  border-color: #999;
}

textarea {
  resize: vertical;
}

.hidden-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

button[type="submit"] {
  margin-top: 18px;
  padding: 11px 16px;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s ease;
}

button[type="submit"]:hover {
  opacity: 0.85;
}

button[type="submit"]:disabled {
  opacity: 0.6;
  cursor: default;
}

.form-status {
  margin: 10px 0 0;
  font-size: 14px;
  min-height: 20px;
}

.form-status.success {
  color: #1a7f37;
}

.form-status.error {
  color: #c92a2a;
}

@media (prefers-color-scheme: dark) {
  :root {
    --text: #f2f2f2;
    --muted: #a3a3a3;
    --border: #2e2e2e;
    --bg: #0f0f0f;
    --accent: #f2f2f2;
  }

  button[type="submit"] {
    color: #111;
  }

  .social-btn:hover {
    background: #1f1f1f;
  }

  input,
  textarea {
    background: #1b1b1b;
    color: var(--text);
  }

  .bio {
    color: #ddd;
  }

  label {
    color: #ddd;
  }
}