:root {
    --primary-color: #4e54c8;
    --secondary-color: #8f94fb;
    --dark-color: #121212;
    --light-color: #f8f9fa;
    --text-dark: #333;
    --text-light: #f8f9fa;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-dark);
    background-color: var(--light-color);
    transition: var(--transition);
    overflow-x: hidden;
}

/* Navigation */
.navbar {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 15px 0;
    transition: var(--transition);
}

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

.navbar-nav .nav-link {
    color: var(--text-light) !important;
    font-weight: 500;
    margin: 0 10px;
    transition: var(--transition);
}

.navbar-nav .nav-link:hover {
    color: rgba(255, 255, 255, 0.8) !important;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: white;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,186.7C384,213,480,235,576,213.3C672,192,768,128,864,128C960,128,1056,192,1152,192C1248,192,1344,128,1392,96L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: center;
}

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

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.hero-info p {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.hero-img-container {
    position: relative;
    display: inline-block;
}

.hero-img {
    border: 5px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.hero-img:hover {
    transform: scale(1.05);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-primary {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border: none;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.btn-outline-light {
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-outline-light:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Footer */
.site-footer {
    background-color: var(--dark-color);
    color: var(--text-light);
    padding: 40px 0 20px;
    text-align: center;
}

.social-links {
    margin-bottom: 20px;
}

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    margin: 0 5px;
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    color: white;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-5px);
}

/* Theme Switch */
.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Page content styles */
.page-content {
    padding: 100px 0 60px;
}

.section-title {
    position: relative;
    margin-bottom: 40px;
    font-weight: 700;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
}

.card {
    background-color: var(--light-color);
    border: none;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    margin-bottom: 20px;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Animation */
@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
    100% {
        transform: translateY(0px);
    }
}

.hero-img {
    animation: float 5s ease-in-out infinite;
}

/* Timeline Styles */
.timeline {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 0;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 6px;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -3px;
    border-radius: 10px;
}

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

.timeline-item::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: var(--light-color);
    border: 4px solid var(--primary-color);
    border-radius: 50%;
    top: 15px;
    right: -13px;
    z-index: 1;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-item:nth-child(odd) {
    left: 0;
}

.timeline-item:nth-child(even)::after {
    left: -13px;
}

.timeline-content {
    padding: 20px;
    background-color: var(--light-color);
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.timeline-date {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 5px;
}

/* Experience Styles */
.experience-card {
    border-left: 4px solid var(--primary-color);
}

.experience-header {
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    padding-bottom: 15px;
    margin-bottom: 20px;
}

.company-name {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 10px;
}

.experience-details .badge {
    margin-right: 8px;
    font-weight: 500;
}

.skills-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-badge {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
}

/* Responsive Timeline */
@media screen and (max-width: 768px) {
    .timeline::after {
        left: 31px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }
    
    .timeline-item:nth-child(even) {
        left: 0;
    }
    
    .timeline-item::after {
        left: 18px;
    }
    
    .timeline-item:nth-child(even)::after {
        left: 18px;
    }
}