:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --text-color: #333;
    --light-bg: #f8f9fa;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
}

.navbar {
    background-color: var(--primary-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: 700;
    color: white !important;
}

.nav-link {
    color: rgba(255,255,255,0.9) !important;
    transition: color 0.3s ease;
}

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

.hero-section {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    display: flex;
    align-items: center;
    padding: 80px 0;
}

.section {
    padding: 80px 0;
}

.section-title {
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--secondary-color);
}

.skill-item {
    background: var(--light-bg);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 15px;
    transition: transform 0.3s ease;
}

.skill-item:hover {
    transform: translateY(-5px);
}

.portfolio-item {
    margin-bottom: 30px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 3px 6px rgba(0,0,0,0.1);
}

.portfolio-item img {
    width: 100%;
    height: auto;
}

.portfolio-content {
    padding: 20px;
    background: white;
}

.contact-form {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.form-control {
    border-radius: 4px;
    border: 1px solid #ddd;
    padding: 12px;
}

.btn-primary {
    background-color: var(--secondary-color);
    border: none;
    padding: 12px 30px;
    border-radius: 4px;
    transition: transform 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 3px 6px rgba(0,0,0,0.1);
}

.gallery-item {
    margin-bottom: 30px;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.modal-content {
    border-radius: 8px;
}

.alert {
    border-radius: 4px;
    margin-bottom: 20px;
}