/* === Complete Enhanced CSS === */
body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  padding: 0;
  transition: background 0.3s, color 0.3s;
  scroll-behavior: smooth;
}

.dark {
  background-color: #121212;
  color: #e0e0e0;
}

.container {
  max-width: 1000px;
  margin: auto;
  padding: 20px;
}

header {
  background-color: #f4f4f4;
  padding: 20px 0;
  border-bottom: 1px solid #ddd;
}

header.dark {
  background-color: #1f1f1f;
  border-bottom: 1px solid #333;
}

nav {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

nav a {
  margin: 0 10px;
  color: inherit;
  text-decoration: none;
  font-weight: bold;
  transition: color 0.2s, border-bottom 0.3s;
  border-bottom: 2px solid transparent;
}

nav a:hover,
nav a.active {
  color: #007acc;
  border-bottom: 2px solid #007acc;
}

#toggle-theme {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  transition: transform 0.3s ease;
}

#toggle-theme:hover {
  transform: rotate(20deg);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.skill {
  background-color: #e0e0e0;
  padding: 10px;
  border-radius: 6px;
  text-align: center;
  transition: background-color 0.3s, transform 0.2s;
}

.skill:hover {
  transform: translateY(-3px);
  background-color: #d0d0d0;
}

.dark .skill {
  background-color: #2c2c2c;
}

.project-card {
  background: #fafafa;
  border: 1px solid #ccc;
  border-radius: 10px;
  padding: 15px;
  margin-bottom: 20px;
  transition: transform 0.2s, box-shadow 0.3s;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
}

.dark .project-card {
  background: #1e1e1e;
  border-color: #333;
}

.project-card img {
  max-width: 100%;
  border-radius: 6px;
  transition: transform 0.3s;
}

.project-card img:hover {
  transform: scale(1.03);
}

.about-content {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.profile-photo {
  width: 150px;
  border-radius: 50%;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s;
}

.profile-photo:hover {
  transform: scale(1.05);
}

form input,
form textarea {
  width: 100%;
  padding: 10px;
  margin-bottom: 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
  font-family: inherit;
  transition: border-color 0.3s;
}

form input:focus,
form textarea:focus {
  border-color: #007acc;
  outline: none;
}

form button {
  padding: 10px 20px;
  background-color: #007acc;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 1rem;
  transition: background-color 0.3s, transform 0.2s;
}

form button:hover {
  background-color: #005fa3;
  transform: translateY(-2px);
}

.social-links a {
  margin-right: 10px;
  text-decoration: none;
  color: inherit;
  transition: color 0.3s;
}

.social-links a:hover {
  color: #007acc;
}

footer {
  text-align: center;
  padding: 20px 0;
  font-size: 0.9rem;
  color: #666;
  border-top: 1px solid #ccc;
  margin-top: 40px;
}

/* Scroll-to-top button */
#scrollTopBtn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: #007acc;
  color: white;
  border: none;
  padding: 10px 15px;
  border-radius: 50%;
  font-size: 18px;
  cursor: pointer;
  display: none;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  transition: background-color 0.3s, transform 0.3s;
}

#scrollTopBtn:hover {
  background-color: #005fa3;
  transform: scale(1.1);
}

@media (max-width: 600px) {
  nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .about-content {
    flex-direction: column;
    text-align: center;
  }

  .profile-photo {
    margin-bottom: 15px;
  }
}