:root {
    --primary-color: #0d6efd;
    --dark-color: #212529;
    --light-bg: #f8f9fa;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    scroll-behavior: smooth;
}

/* Navigation */
.navbar {
    padding: 1rem 0;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-size: 1.5rem;
    letter-spacing: 1px;
}

.nav-link {
    font-weight: 500;
    margin: 0 0.5rem;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #0d6efd 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.05)" d="M0,96L48,112C96,128,192,160,288,186.7C384,213,480,235,576,213.3C672,192,768,128,864,128C960,128,1056,192,1152,197.3C1248,203,1344,149,1392,122.7L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
    opacity: 0.3;
}

.hero-section .container {
    position: relative;
    z-index: 1;
}

.animate-fade-in {
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Cards */
.card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15) !important;
}

/* Service Cards */
.service-card {
    background: white;
    border-radius: 10px;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.service-card:hover {
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transform: translateY(-5px);
}

/* Project Cards */
.project-card {
    transition: all 0.3s ease;
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.2) !important;
}

.project-icon {
    height: 80px;
    display: flex;
    align-items: center;
}

/* Recognition Cards */
.recognition-card {
    background: white;
    border-radius: 15px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.recognition-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

/* Contact Form */
.contact-form .form-control {
    background: rgba(255,255,255,0.1);
    border: 2px solid rgba(255,255,255,0.2);
    color: white;
    padding: 0.75rem 1rem;
}

.contact-form .form-control:focus {
    background: rgba(255,255,255,0.15);
    border-color: var(--primary-color);
    color: white;
    box-shadow: 0 0 0 0.25rem rgba(13,110,253,0.25);
}

.contact-form .form-control::placeholder {
    color: rgba(255,255,255,0.6);
}

/* Buttons */
.btn-lg {
    padding: 0.75rem 2rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--primary-color);
    border: none;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: #0b5ed7;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(13,110,253,0.4);
}

.btn-outline-light:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255,255,255,0.3);
}

/* Badges */
.badge {
    font-weight: 500;
    padding: 0.5em 0.8em;
}

/* Footer */
footer a {
    text-decoration: none;
    transition: opacity 0.3s ease;
    font-size: 1.5rem;
}

footer a:hover {
    opacity: 0.7;
}

/* Section Spacing */
section {
    padding-top: 80px;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .display-5 {
        font-size: 2rem;
    }
    
    .service-card,
    .project-card,
    .recognition-card {
        margin-bottom: 1rem;
    }
}

/* Smooth Scroll Offset for Fixed Navbar */
section[id] {
    scroll-margin-top: 70px;
}