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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
}

.container {
    width: 85%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header Styles */
header {
    background: var(--primary-color);
    color: white;
    padding: 2rem 0;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 2.5rem;
}

header h2 {
    margin: 0.5rem 0 0;
    font-weight: 300;
    font-size: 1.5rem;
}

.contact-info {
    margin-top: 1rem;
}

.contact-info p {
    display: inline-block;
    margin: 0 1rem;
    font-size: 1.1rem;
}

.contact-info i {
    margin-right: 0.5rem;
}

/* Navigation */
nav {
    background: var(--secondary-color);
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
}

nav li {
    margin: 0 1.5rem;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    transition: color 0.3s;
}

nav a:hover {
    color: var(--light-color);
    text-decoration: underline;
}

/* Section Styles */
.section {
    padding: 3rem 0;
    border-bottom: 1px solid #eee;
}

.section h2 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    text-align: center;
    font-size: 2rem;
    position: relative;
}

.section h2::after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background: var(--secondary-color);
    margin: 0.5rem auto;
}

/* Experience Section */
.job {
    margin-bottom: 2.5rem;
    background: white;
    padding: 1.5rem;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.job h3 {
    color: var(--dark-color);
    margin: 0;
    font-size: 1.3rem;
}

.job h4 {
    color: var(--secondary-color);
    margin: 0.3rem 0;
    font-weight: 500;
    font-size: 1.1rem;
}

.date {
    color: #7f8c8d;
    font-style: italic;
    margin-bottom: 1rem;
    display: block;
}

.job ul {
    margin-top: 1rem;
    padding-left: 1.5rem;
}

.job li {
    margin-bottom: 0.5rem;
}

/* Education Section */
.education-item {
    background: white;
    padding: 1.5rem;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    margin-bottom: 1.5rem;
}

.education-item h3 {
    color: var(--dark-color);
    margin: 0;
    font-size: 1.3rem;
}

.education-item h4 {
    color: var(--secondary-color);
    margin: 0.3rem 0;
    font-weight: 500;
    font-size: 1.1rem;
}

/* Skills Section */
.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

.skill-category {
    background: white;
    padding: 1.5rem;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.skill-category h3 {
    color: var(--secondary-color);
    margin-top: 0;
    border-bottom: 1px solid #eee;
    padding-bottom: 0.5rem;
}

.skill-category ul {
    list-style: none;
    padding: 0;
}

.skill-category li {
    padding: 0.5rem 0;
    border-bottom: 1px dashed #eee;
}

.skill-category li:last-child {
    border-bottom: none;
}

/* Certifications & Languages */
.certifications-list, .languages-list {
    list-style: none;
    padding: 0;
    max-width: 600px;
    margin: 0 auto;
}

.certifications-list li, .languages-list li {
    background: white;
    padding: 1rem;
    margin-bottom: 0.5rem;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

/* Footer */
footer {
    background: var(--dark-color);
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 2rem;
}

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

.social-links a {
    color: white;
    margin: 0 0.5rem;
    font-size: 1.5rem;
    transition: color 0.3s;
}

.social-links a:hover {
    color: var(--secondary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
        align-items: center;
    }
    
    nav li {
        margin: 0.5rem 0;
    }
    
    .contact-info p {
        display: block;
        margin: 0.5rem 0;
    }
    
    .skills-container {
        grid-template-columns: 1fr;
    }
}