:root {
  --text-color: #222;
  --accent-color: rgb(246, 16, 16);
  --card-bg: rgb(240, 240, 240);
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  --error-color: #d32f2f;
  --success-color: #388e3c;
}

* {
  box-sizing: border-box;
}

body {
  font-family: system-ui, sans-serif;
  color: var(--text-color);
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

.navbar {
  background-color: #333;
  padding: 1rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.navbar nav {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  gap: 2rem;
  list-style: none;
  padding: 0;
}

.navbar a {
  color: white;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s;
}

.navbar a:hover,
.navbar a:focus {
  color: var(--accent-color);
s}

.navbar a.active {
  color: var(--accent-color);
  border-bottom: 2px solid var(--accent-color);
  padding-bottom: 0.5rem;
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  min-height: calc(100vh - 100px);
}

.profile-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.profile-card {
  background: var(--card-bg);
  box-shadow: var(--shadow);
  padding: 2rem;
  border-radius: 8px;
  max-width: 600px;
  width: 100%;
}

.profile-card figure {
  margin: 0;
  text-align: center;
}

.profile-card img {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
}

.profile-card h2 {
  text-align: center;
  font-size: 1.8rem;
  margin: 1rem 0 0.5rem;
}

.profile-card p {
  text-align: center;
  color: #555;
}

.profile-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin: 1.5rem 0;
}

.profile-links a {
  color: var(--accent-color);
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.2s;
}

.profile-links a:hover,
.profile-links a:focus {
  text-decoration: underline;
  transform: scale(1.1);
}

.profile-sections {
  display: flex;
  margin-top: 2rem;
  gap: 2rem;
}

.profile-section {
  background: var(--card-bg);
  width: 250px;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.profile-section h3 {
  color: var(--accent-color);
  margin-top: 0;
}

.profile-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.profile-section li {
  padding: 0.5rem 0;
}

x.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
}

label {
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-color);
}

input,
textarea {
  padding: 0.75rem;
  border: 2px solid #ddd;
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.3s;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(246, 16, 16, 0.1);
}

input.error,
textarea.error {
  border-color: var(--error-color);
}

.error-message {
  color: var(--error-color);
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: none;
}

.error-message.show {
  display: block;
}

.success-message {
  background-color: #d4edda;
  color: #155724;
  padding: 1rem;
  border-radius: 4px;
  margin-bottom: 1.5rem;
  border: 1px solid #c3e6cb;
  display: none;
}

.success-message.show {
  display: block;
}

button {
  background-color: var(--accent-color);
  color: white;
  padding: 0.75rem 2rem;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s, transform 0.2s;
}

button:hover {
  background-color: #d40000;
  transform: translateY(-2px);
}

button:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 4px;
}

button:active {
  transform: translateY(0);
}

/* About Page */
main section {
  margin-bottom: 2.5rem;
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

main h2 {
  color: var(--accent-color);
  font-size: 1.8rem;
  margin-top: 0;
  border-bottom: 3px solid var(--accent-color);
  padding-bottom: 0.5rem;
}

main p {
  line-height: 1.8;
  color: #555;
}

main ul {
  list-style-position: inside;
  color: #555;
}

main li {
  margin-bottom: 0.75rem;
}

/* Responsive */
@media (max-width: 768px) {
  main {
    padding: 1rem;
  }

  .navbar nav {
    flex-direction: column;
    gap: 1rem;
  }

  .contact-form,
  .profile-card {
    padding: 1.5rem;
  }

  button {
    width: 100%;
  }

  .profile-sections {
    flex-direction: column;
    align-items: center;
  }
}