:root {
  --primary-color: #22a575;
  --secondary-color: #f4f4f4;
  --accent-color: #666;
  --text-color: #333;
}

body {
  font-family: 'Segoe UI', sans-serif;
  background: var(--secondary-color);
  color: var(--text-color);
  margin: 0;
  line-height: 1.6;
  scroll-behavior: smooth;
}

/* Header */
.header-section {
  background-color: var(--primary-color);
  color: #fff;
  padding: 60px 20px;
  text-align: center;
}

.header-section h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

.header-section p {
  font-size: 1.1rem;
  color: #d2d2d2;
}

/* Fade-in */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1s ease, transform 1s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Profile Card */
.profile-container {
  max-width: 1000px;
  margin: -50px auto 60px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
  overflow: hidden;
  display: flex;
  flex-wrap: wrap;
  position: relative;
}

.profile-photo {
  flex: 1 1 40%;
  min-height: 300px;
  background: url('../images/profile_pics/vilas-smiling.jpg') center/cover no-repeat;
}

.profile-info {
  flex: 1 1 60%;
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background-color: #f0f0f0;
}

.profile-info h2 {
  color: var(--primary-color);
  font-size: 1.8rem;
  /* margin-bottom: 10px; */
}

.profile-info h3 {
  font-size: 1rem;
  color: var(--accent-color);
  margin-bottom: 20px;
}

.profile-info p {
  margin-bottom: 15px;
}

.profile-info .btn {
  background: var(--primary-color);
  color: #fff;
  border: none;
  padding: 10px 25px;
  border-radius: 50px;
  transition: background 0.3s;
  margin-top: 10px;
}

.profile-info .btn:hover {
  background: #06311e;
}

#toggle-button {
  color: var(--primary-color);
  font-weight: 600;
  border: none;
  background: none;
  cursor: pointer;
  padding: 0;
}

#toggle-button:hover {
  color: #06311e;
}

/* Scroll-down arrow */
profile.scroll-down {
  position: absolute;
  bottom: 20px;
  right: 20px;
  font-size: 1.5rem;
  color: var(--primary-color);
  animation: bounce 2s infinite;
  cursor: pointer;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* Additional Sections */
.section {
  max-width: 1000px;
  margin: 60px auto;
  padding: 40px 20px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.section h2 {
  color: var(--primary-color);
  margin-bottom: 20px;
  text-align: center;
}

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

.section li {
  margin-bottom: 10px;
  color: var(--accent-color);
}

/* Footer */
footer {
  background: #e0e0e0;
  color: #555;
  text-align: center;
  padding: 20px 0;
  margin-top: 40px;
}

@media (max-width: 768px) {
  .profile-container {
    flex-direction: column;
    margin: -50px 10px 60px;
  }
  .profile-photo {
    flex: 1 1 100%;
    min-height: 250px;
  }
  .profile-info {
    flex: 1 1 100%;
    padding: 30px;
  }
}

.section {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
  padding: 30px;
  height: 100%;
}

.info-sections {
  background-color: #e0e0e0; /* light grey background */
}

.info-sections h2 {
  color: var(--primary-color);
  font-weight: 700;
}

.section h3 {
  color: var(--primary-color);
  font-size: 1.4rem;
  margin-bottom: 15px;
}

.info-sections {
  background-color: #e0e0e0;
}

.info-sections h2.text-center {
  color: var(--primary-color);
  font-weight: 700;
}

.section {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
  padding: 30px;
  height: 100%;
}

.section-title {
  display: flex;
  align-items: center;
  font-size: 1.4rem;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.icon-circle {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  background-color: var(--primary-color);
  color: #fff;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  margin-right: 10px;
  flex-shrink: 0;
  font-size: 1rem;
}