:root {
    --primary-color: #4361ee;
    --secondary-color: #3f37c9;
    --accent-color: #4cc9f0;
    --text-color: #212529;
    --bg-color: #f8f9fa;
    --card-bg: #ffffff;
    --border-radius: 12px;
    --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    padding: 60px 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    margin-bottom: 40px;
    box-shadow: var(--box-shadow);
}

.profile-img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 5px solid rgba(255, 255, 255, 0.3);
    object-fit: cover;
    margin: 0 auto 20px;
}

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

.tagline {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-3px);
}

.section {
    margin-bottom: 50px;
}

.section-title {
    font-size: 1.8rem;
    margin-bottom: 25px;
    padding-bottom: 10px;
    border-bottom: 3px solid var(--accent-color);
    display: inline-block;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
}

.card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

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

.card-content {
    margin-bottom: 15px;
}

.skills-container {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.skill-tag {
    background: var(--primary-color);
    color: white;
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.contact-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
}

footer {
    text-align: center;
    padding: 30px;
    margin-top: 50px;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    header {
        padding: 40px 15px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .cards {
        grid-template-columns: 1fr;
    }
}