/* Global Styles */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --text-color: #333;
    --background-color: #f5f6fa;
    --section-bg-color: #ffffff;
}

* {
    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(--background-color);
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header Styles */
.header {
    text-align: center;
    padding: 3rem 0;
    background-color: var(--section-bg-color);
    border-radius: 10px;
    margin-bottom: 2rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.profile-info h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.profile-info h2 {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

/* Section Styles */
.section {
    background-color: var(--section-bg-color);
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.section-title {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 0.5rem;
}

/* Experience and Education Items */
.experience-item, .education-item, .project-item {
    margin-bottom: 1.5rem;
}

.experience-item h3, .education-item h3, .project-item h3 {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.company, .institution {
    font-style: italic;
    color: #666;
    margin-bottom: 0.5rem;
}

ul {
    list-style-position: inside;
    margin-left: 1rem;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.skill-category h3 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.skill-category ul {
    list-style: none;
}

.skill-category li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.skill-category li::before {
    content: "▹";
    color: var(--secondary-color);
    position: absolute;
    left: 0;
}

/* Contact Section */
.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-info i {
    color: var(--secondary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .header {
        padding: 2rem 1rem;
    }
    
    .profile-info h1 {
        font-size: 2rem;
    }
    
    .profile-info h2 {
        font-size: 1.2rem;
    }
    
    .section {
        padding: 1.5rem;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
}