/* Global Styles */
:root {
    --primary-color: #1a4b84;
    --secondary-color: #2c88d9;
    --accent-color: #1e3a8a;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --success: #28a745;
    --warning: #ffc107;
    --danger: #dc3545;
}

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

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

/* Navigation */
.navbar {
    transition: all 0.3s ease;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    background: rgba(26, 75, 132, 0.98) !important;
    backdrop-filter: blur(10px);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white) !important;
}

.nav-link {
    font-weight: 500;
    transition: color 0.3s ease;
    color: rgba(255, 255, 255, 0.9) !important;
}

.nav-link:hover, .nav-link.active {
    color: #fbbf24 !important;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(rgba(26, 75, 132, 0.6), rgba(26, 75, 132, 0.6)),
                url('https://images.unsplash.com/photo-1541888946425-d81bb19240f5?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    min-height: 80vh;
    display: flex;
    align-items: center;
    position: relative;
}

.hero-overlay {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 75, 132, 0.4) 0%, rgba(26, 75, 132, 0.2) 100%);
    z-index: 1;
}

/* Gradient Text */
.gradient-text-hero {
    background: linear-gradient(45deg, #fbbf24, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    color: #fbbf24; /* Fallback for browsers that don't support gradient text */
}

/* Buttons */
.btn {
    border-radius: 50px;
    padding: 12px 30px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(45deg, var(--secondary-color), var(--primary-color));
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(44, 136, 217, 0.3);
}

.btn-outline-light:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
    background: var(--white);
    color: var(--primary-color);
}

.btn-light {
    background: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--white);
}

.btn-light:hover {
    background: transparent;
    color: var(--white);
    transform: translateY(-2px);
}

/* Cards */
.card {
    transition: all 0.3s ease;
    border-radius: 15px;
    overflow: hidden;
    border: none;
    background: var(--white);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15) !important;
}

.card-body {
    padding: 2rem;
}

.card-title {
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 1rem;
}

/* Project Cards */
.project-card {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    height: 300px;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.project-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-card:hover img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(26, 75, 132, 0.95));
    color: white;
    padding: 2rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.project-card:hover .project-overlay {
    transform: translateY(0);
}

.project-overlay h5 {
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--accent-color);
}

.project-overlay small {
    color: rgba(255, 255, 255, 0.8);
    font-style: italic;
}

/* Sections */
section {
    padding: 60px 0;
}

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

/* Typography */
.display-3, .display-4 {
    font-weight: 700;
    color: var(--primary-color);
}

h5 {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.lead {
    font-size: 1.2rem;
    font-weight: 400;
}

/* Icons */
.fa-3x {
    color: var(--secondary-color);
}

/* Contact Section */
.contact-info i {
    color: var(--secondary-color);
}

.form-control {
    border-radius: 10px;
    border: 2px solid #e9ecef;
    padding: 15px 20px;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.form-control:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.2rem rgba(44, 136, 217, 0.25);
    outline: none;
}

.form-control::placeholder {
    color: #adb5bd;
}

/* Social Links */
.social-links a {
    display: inline-block;
    width: 45px;
    height: 45px;
    line-height: 45px;
    text-align: center;
    background: var(--secondary-color);
    border-radius: 50%;
    transition: all 0.3s ease;
    margin: 0 5px;
}

.social-links a:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(30, 58, 138, 0.3);
}

/* Call to Action Section */
.bg-primary {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color)) !important;
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        background-attachment: scroll;
        min-height: 70vh;
    }
    
    .display-3 {
        font-size: 2.5rem;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .card-body {
        padding: 1.5rem;
    }
    
    .project-overlay {
        padding: 1rem;
    }
    
    .project-overlay h5 {
        font-size: 1rem;
    }
    
    .project-card {
        height: 250px;
    }
}

@media (max-width: 576px) {
    section {
        padding: 60px 0;
    }
    
    .hero-section {
        min-height: 60vh;
    }
    
    .display-3 {
        font-size: 2rem;
    }
    
    .lead {
        font-size: 1rem;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 10px;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading Animation */
.loading {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.loading.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(var(--secondary-color), var(--primary-color));
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(var(--primary-color), var(--secondary-color));
}

/* Utility Classes */
.text-primary {
    color: var(--secondary-color) !important;
}

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

.shadow-sm {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075) !important;
}

.rounded {
    border-radius: 0.375rem !important;
}

/* Hover Effects */
.hover-lift {
    transition: transform 0.3s ease;
}

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

/* Success Icons */
.text-success {
    color: var(--success) !important;
}

/* Contact Form Enhancements */
.form-control:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.2rem rgba(44, 136, 217, 0.25);
}

select.form-control {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

/* Footer Enhancements */
footer {
    background: linear-gradient(45deg, var(--primary-color), #1a4b84) !important;
}

.contact-info p {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

/* Professional Badges */
.badge {
    background: var(--accent-color);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Slash styling */
.slash {
    color: var(--secondary-color);
    font-weight: 700;
    margin: 0 2px;
}

/* Call to Action Enhancements */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 4rem 0;
    position: relative;
    overflow: hidden;
}

.cta-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 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

/* Professional Stats */
.stats-card {
    background: var(--white);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.stats-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.stats-card i {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.stats-card h3 {
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stats-card p {
    color: var(--text-light);
    margin: 0;
}