/* ===================================
   AEC Project Services - Custom Styles
   ================================== */

/* CSS Variables for Brand Colors */
:root {
    --primary-navy: #1A374D;
    --accent-orange: #FF6B35;
    --light-gray: #f8f9fa;
    --white: #ffffff;
    --text-dark: #333333;
    --text-muted: #6c757d;
}

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

/* Navigation Styles */
.navbar {
    background-color: var(--primary-navy) !important;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

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

.navbar-nav .nav-link {
    color: rgba(255,255,255,0.9) !important;
    font-weight: 500;
    margin: 0 10px;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--accent-orange) !important;
}

/* Hero Section */
.hero-section {
    height: 100vh;
    background: linear-gradient(135deg, var(--primary-navy) 0%, #2c5f7a 100%);
    background-image: url('https://images.unsplash.com/photo-1541888946425-d81bb19240f5?w=1600&h=900&fit=crop&crop=center');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    display: flex;
    align-items: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 55, 77, 0.85) 0%, rgba(44, 95, 122, 0.75) 100%);
    display: flex;
    align-items: center;
}

.hero-section h1 {
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    animation: fadeInUp 1s ease-out;
}

.hero-section p {
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
    animation: fadeInUp 1s ease-out 0.3s both;
}

/* CTA Button */
.btn-cta {
    background-color: var(--accent-orange);
    border: none;
    color: var(--white);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 50px;
    transition: all 0.3s ease;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.btn-cta:hover {
    background-color: #e55a2b;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.3);
    color: var(--white);
}

/* Text Colors */
.text-primary {
    color: var(--primary-navy) !important;
}

.text-cta {
    color: var(--accent-orange) !important;
}

/* Service Cards */
.service-card {
    transition: all 3.3s ease;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1) !important;
}

.service-img {
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
}

.service-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 55, 77, 0.8) 0%, rgba(255, 107, 53, 0.8) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.service-card:hover .service-overlay {
    opacity: 1;
}

.service-card .card-title {
    color: var(--primary-navy);
    margin-bottom: 15px;
}

/* Footer */
footer.bg-primary {
    background-color: var(--primary-navy) !important;
}

footer a:hover {
    color: var(--accent-orange) !important;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        background-attachment: scroll;
    }
    
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .service-img {
        height: 150px;
    }
}

@media (max-width: 576px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .btn-cta {
        padding: 12px 30px !important;
        font-size: 0.9rem;
    }
}

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

/* Additional Utility Classes */
.bg-light {
    background-color: var(--light-gray) !important;
}

.shadow-custom {
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* Loading Animation for Images */
.service-img {
    background-color: #f8f9fa;
    background-image: linear-gradient(45deg, transparent 40%, rgba(255,255,255,0.5) 50%, transparent 60%);
    background-size: 200% 100%;
    animation: shimmer 10s infinite;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}