/* Global Styles */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --text-color: #2c3e50;
    --light-bg: #f8f9fa;
    --dark-bg: #2c3e50;
}

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

/* Navigation */
.navbar {
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
}

/* Hero Section */
.hero-section {
    height: 100vh;
    background: linear-gradient(rgba(44, 62, 80, 0.9), rgba(44, 62, 80, 0.9)),
                url('../assets/images/hero-bg.jpg') center/cover;
    color: white;
    padding-top: 80px;
}

.hero-section h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-section h2 {
    font-size: 2rem;
    font-weight: 300;
    margin-bottom: 2rem;
}

.social-links {
    margin-top: 2rem;
}

.social-links a {
    color: white;
    font-size: 2rem;
    margin: 0 1rem;
    transition: color 0.3s ease;
}

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

/* Sections */
.section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-weight: 700;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background-color: var(--secondary-color);
}

/* About Section */
.about-list {
    list-style: none;
    padding: 0;
}

.about-list li {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

/* Skills Section */
.skill-list {
    list-style: none;
    padding: 0;
}

.skill-list li {
    margin-bottom: 0.5rem;
    padding: 0.5rem;
    background: var(--light-bg);
    border-radius: 4px;
}

/* Projects Section */
.project-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
    transition: transform 0.3s ease;
}

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

.project-tech {
    margin-top: 1rem;
}

.project-tech .badge {
    margin-right: 0.5rem;
    padding: 0.5rem 1rem;
}

/* Contact Section */
.contact-links {
    margin-top: 2rem;
}

.contact-links .btn {
    margin: 0.5rem;
    padding: 0.75rem 2rem;
}

/* Footer */
.footer {
    padding: 2rem 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .hero-section h2 {
        font-size: 1.5rem;
    }
    
    .section {
        padding: 3rem 0;
    }
}

/* Timeline for Experience */
.timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background-color: var(--secondary-color);
}

/* Timeline styles */
.timeline {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 2px;
    background-color: #333;
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    width: 50%;
    box-sizing: border-box;
}

.timeline-item::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    background-color: #fff;
    border: 2px solid #333;
    border-radius: 50%;
    top: 15px;
    z-index: 1;
}

.timeline-item.left {
    left: 0;
}

.timeline-item.right {
    left: 50%;
}

.timeline-item.left::after {
    right: -8px;
}

.timeline-item.right::after {
    left: -8px;
}

.timeline-content {
    padding: 20px;
    background-color: white;
    border-radius: 6px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.timeline-date {
    color: #666;
    font-style: italic;
}

.timeline-content h3 {
    margin-top: 0;
    color: #333;
}

.timeline-content h4 {
    color: #666;
    margin: 5px 0;
}

@media screen and (max-width: 600px) {
    .timeline::after {
        left: 31px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }
    
    .timeline-item.right {
        left: 0;
    }
    
    .timeline-item.left::after,
    .timeline-item.right::after {
        left: 23px;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section {
    animation: fadeIn 1s ease-out;
}