:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.profile-img {
    max-width: 250px;
    border-radius: 50%;
    border: 5px solid var(--light-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.jumbotron {
    padding: 2rem;
    background-color: #f8f9fa;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.card {
    transition: all 0.3s;
    margin-bottom: 20px;
    border: none;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.card-img-top {
    height: 200px;
    object-fit: cover;
}

.link-icon {
    margin-right: 8px;
}

.footer {
    margin-top: 50px;
    padding: 30px 0;
    background-color: var(--dark-color);
    color: white;
}

.navbar {
    background-color: var(--primary-color) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar-brand, .nav-link {
    color: white !important;
}

.nav-link:hover, .nav-link.active {
    color: var(--secondary-color) !important;
}

.hero-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 100px 0;
}

.btn-primary {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.btn-primary:hover {
    background-color: #2980b9;
    border-color: #2980b9;
}

.btn-outline-light:hover {
    color: var(--primary-color);
}

.progress-bar.bg-success {
    background-color: #2ecc71 !important;
}

.progress-bar.bg-info {
    background-color: var(--secondary-color) !important;
}

.progress-bar.bg-warning {
    background-color: #f39c12 !important;
}

.progress-bar.bg-danger {
    background-color: var(--accent-color) !important;
}

.carousel-item img {
    height: 400px;
    object-fit: cover;
}

.carousel-caption {
    background-color: rgba(0, 0, 0, 0.6);
    border-radius: 10px;
    padding: 15px;
}

.section-title {
    position: relative;
    margin-bottom: 40px;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background-color: var(--secondary-color);
}

.social-icons a {
    display: inline-block;
    width: 50px;
    height: 50px;
    line-height: 50px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    transition: all 0.3s;
    margin: 0 10px;
}

.social-icons a:hover {
    background-color: var(--secondary-color);
    transform: translateY(-5px);
}