:root {
    --primary: #65b5f6;
    --secondary: #bcddfb;
    --accent: #2094f3;
    --dark: #2094f3;
    --darker: #2094f3;
    --light: #f8fafc;
    --text: #333333;
}

* {
    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);
    background-color: var(--light);
}

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

.header {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 4rem 0;
    text-align: center;
    margin-bottom: 2rem;
}

.profile {
    max-width: 600px;
    margin: 0 auto;
}

.avatar {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background-color: white;
    margin: 0 auto 1.5rem;
    border: 5px solid white;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.tagline {
    font-size: 1.2rem;
    opacity: 0.9;
}

.main-content {
    padding: 2rem 0;
}

section {
    margin-bottom: 3rem;
    padding: 2rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

h2 {
    color: var(--darker);
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.skill-card {
    background: var(--primary);
    color: white;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s ease;
}

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

.timeline-item {
    border-left: 3px solid var(--accent);
    padding-left: 1.5rem;
    margin-bottom: 2rem;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 0;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent);
}

.date {
    color: var(--dark);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.footer {
    background: var(--darker);
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.social-links {
    margin-bottom: 1rem;
}

.social-link {
    color: white;
    text-decoration: none;
    margin: 0 1rem;
    transition: color 0.3s ease;
}

.social-link:hover {
    color: var(--primary);
}

.copyright {
    font-size: 0.9rem;
    opacity: 0.8;
}

@media (max-width: 768px) {
    .header {
        padding: 3rem 0;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    section {
        padding: 1.5rem;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
}