/* Base styles */
body {
  font-family: 'Segoe UI', Tahoma, sans-serif;
  background: linear-gradient(to bottom right, #e0e7ff, #ffe4e6);
  margin: 0;
  padding: 20px;
  text-align: center;
  transition: all 0.3s ease-in-out;
}

/* Navigation bar */
nav {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

nav button {
  background-color: #4c1d95;
  color: white;
  border: none;
  padding: 10px 18px;
  border-radius: 6px;
  font-size: 1em;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

nav button:hover {
  background-color: #6d28d9;
}

nav select {
  padding: 8px;
  font-size: 1em;
  border-radius: 5px;
  border: 1px solid #aaa;
}

/* Sections */
.page-section {
  display: none;
  animation: fadeIn 0.5s ease;
}

.page-section.active {
  display: block;
}

/* Welcome Section */
#welcomeText {
  font-size: 2.5em;
  color: #1e3a8a;
  animation: fadeInOut 3s ease-in-out infinite;
  margin-top: 30px;
}

#slogan {
  font-size: 1.3em;
  color: #333;
  margin-top: 10px;
}

/* Header */
header h1 {
  font-size: 2em;
  color: #1e3a8a;
  margin-bottom: 5px;
}

header p {
  color: #444;
  margin-bottom: 10px;
}

.profile-photo img {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
  margin-bottom: 20px;
}

/* Dropdowns */
.dropdown {
  margin: 20px auto;
  max-width: 500px;
}

.dropdown button {
  background-color: #4c1d95;
  color: white;
  padding: 12px;
  border: none;
  border-radius: 8px;
  font-size: 1.1em;
  width: 100%;
  cursor: pointer;
  text-align: left;
}

.dropdown-list {
  background: white;
  text-align: left;
  padding: 10px 20px;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  margin-top: 5px;
}

ul {
  list-style: disc inside;
}

.hidden {
  display: none;
}

/* Experience Section */
#experienceTitle {
  font-size: 2em;
  color: #1e3a8a;
  margin-top: 20px;
}

#experienceText {
  font-size: 1.1em;
  max-width: 700px;
  margin: 10px auto;
  color: #333;
  line-height: 1.6em;
}

/* Footer */
footer {
  background-color: #1e3a8a;
  color: white;
  padding: 20px;
  border-radius: 12px;
  margin-top: 40px;
  font-size: 0.9em;
}

/* Animations */
@keyframes fadeInOut {
  0%, 100% { opacity: 0; }
  50% { opacity: 1; }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 600px) {
  nav {
    flex-direction: column;
    align-items: center;
  }

  .dropdown button {
    text-align: center;
  }

  .profile-photo img {
    width: 120px;
    height: 120px;
  }
}