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

body {
    font-family: 'Hind Siliguri', sans-serif;
    padding-top: 56px;
    color: #333;
    background-color: #f8f9fa;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: var(--dark-color);
}

a {
    color: var(--primary-color);
    text-decoration: none;
}

a:hover {
    color: var(--accent-color);
}

/* Navigation */
.navbar {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

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

/* Hero Section */
.hero-section {
    color: white;
    padding: 10px 0;
    background-size: cover;
    background-position: center;
    text-align: left;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.hero-tagline {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: green;
}

.hero-image {
    max-width: 200px;
    border: 5px solid white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Section Styles */
.section-title {
    position: relative;
    padding-bottom: 15px;
    margin-bottom: 30px;
    color: var(--secondary-color);
}

.section-title:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.bg-light {
    background-color: var(--light-color) !important;
}

/* Card Styles */
.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 30px;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}
/* Timeline */
.timeline {
    position: relative;
    padding-left: 30px;
    list-style: none;
}

.timeline:before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 10px;
    width: 2px;
    background-color: var(--primary-color);
}

.timeline li {
    position: relative;
    margin-bottom: 20px;
}

.timeline li:before {
    content: '';
    position: absolute;
    left: -30px;
    top: 5px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--accent-color);
    border: 2px solid white;
}

/* Testimonials */
.testimonial-slider {
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-item {
    text-align: center;
    padding: 20px;
}

.testimonial-content {
    font-size: 1.2rem;
    font-style: italic;
    margin-bottom: 20px;
    position: relative;
}

.testimonial-content:before,
.testimonial-content:after {
    content: '"';
    font-size: 2rem;
    color: var(--primary-color);
    opacity: 0.3;
}

.testimonial-author img {
    width: 80px;
    height: 80px;
    margin-bottom: 10px;
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: white;
}

.social-icons a {
    display: inline-block;
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-tagline {
        font-size: 1.2rem;
        color: green;
    }
    
    .hero-image {
        max-width: 200px;
        margin-top: 30px;
    }
}
/* Timeline for career page */
.main-timeline {
    position: relative;
}

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

.timeline {
    position: relative;
    margin-bottom: 30px;
}

.timeline:last-child {
    margin-bottom: 0;
}

.timeline:before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    left: 50%;
    top: 30px;
    transform: translateX(-50%);
    border: 4px solid white;
    z-index: 1;
}

.timeline.highlight:before {
    background: var(--accent-color);
    width: 25px;
    height: 25px;
}

.timeline-content {
    width: calc(50% - 30px);
    padding: 20px;
    border-radius: 10px;
    background: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    position: relative;
}

.timeline:nth-child(even) .timeline-content {
    margin-left: auto;
}

.timeline-content:after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: white;
    top: 30px;
    transform: rotate(45deg);
}

.timeline:nth-child(odd) .timeline-content:after {
    right: -10px;
}

.timeline:nth-child(even) .timeline-content:after {
    left: -10px;
}

.timeline-year {
    position: absolute;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    top: 0;
}

.timeline:nth-child(odd) .timeline-year {
    right: -80px;
}

.timeline:nth-child(even) .timeline-year {
    left: -80px;
}

.highlight .timeline-year {
    background: var(--accent-color);
    width: 70px;
    height: 70px;
    font-size: 1.2rem;
}

/* Responsive adjustments */
@media (max-width: 767px) {
    .main-timeline:before {
        left: 30px;
    }
    
    .timeline:before {
        left: 30px;
    }
    
    .timeline-content,
    .timeline:nth-child(even) .timeline-content {
        width: calc(100% - 70px);
        margin-left: 70px;
    }
    
    .timeline-content:after {
        left: -10px !important;
    }
    
    .timeline-year {
        left: 0 !important;
    }
}

/* Gallery tabs */
.nav-tabs .nav-link {
    color: var(--dark-color);
    font-weight: 500;
}

.nav-tabs .nav-link.active {
    color: var(--primary-color);
    font-weight: 600;
    border-bottom: 3px solid var(--primary-color);
}

/* Project cards */
.project-card {
    transition: transform 0.3s ease;
}

.project-card:hover {
    transform: translateY(-10px);
}

/* Contact form */
.contact-info li {
    padding: 8px 0;
    border-bottom: 1px solid #eee;
}

#contactForm .form-control {
    padding: 10px 15px;
    border-radius: 5px;
}

#contactForm button {
    padding: 10px 25px;
}