:root {
    --primary-blue: #0066cc;
    --dark-blue: #004999;
    --light-blue: #e6f2ff;
    --accent-orange: #ff6600;
    --text-dark: #333333;
    --text-light: #666666;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --border-color: #dee2e6;
}

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

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Navbar */
.navbar {
    background: linear-gradient(135deg, #0066cc, #004999) !important;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    padding: 15px 0;
}

.navbar-brand {
    font-size: 28px;
    font-weight: 700;
    color: #ffffff !important;
}

.nav-link {
    color: #ffffff !important;
    font-weight: 500;
    padding: 10px 20px !important;
    transition: all 0.3s;
}

.nav-link:hover {
    color: #ffffff !important;
    opacity: 0.8;
}

.btn-quote {
    background: white;
    color: #0066cc !important;
    padding: 10px 25px;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-quote:hover {
    background: #f0f0f0;
    color: #004999 !important;
}

/* Navbar toggler for mobile */
.navbar-toggler {
    border-color: rgba(255,255,255,0.5) !important;
}

.navbar-light .navbar-toggler {
    border-color: rgba(255,255,255,0.5);
}

/* Hero Section */
.hero {
    background: rgba(0, 40, 85, 0.6);
    height: 100vh;
    display: flex;
    align-items: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
    padding-top: 70px;
}

.about-hero, .page-header {
    padding-top: 100px;
}

.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    animation: slideShow 15s infinite;
}

.hero-slide:nth-child(1) {
    background-image: url('https://images.unsplash.com/photo-1558494949-ef010cbdcc31?w=1920');
    animation-delay: 0s;
}

.hero-slide:nth-child(2) {
    background-image: url('https://images.unsplash.com/photo-1544197150-b99a580bb7a8?w=1920');
    animation-delay: 5s;
}

.hero-slide:nth-child(3) {
    background-image: url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1920');
    animation-delay: 10s;
}

@keyframes slideShow {
    0% { opacity: 0; }
    5% { opacity: 1; }
    28% { opacity: 1; }
    33% { opacity: 0; }
    100% { opacity: 0; }
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.btn-hero {
    background: var(--accent-orange);
    color: var(--white);
    padding: 15px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 5px;
    border: none;
    transition: all 0.3s;
}

.btn-hero:hover {
    background: #e55a00;
    color: var(--white);
    transform: translateY(-2px);
}

/* Section Styles */
.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.section-title .title-line {
    width: 80px;
    height: 4px;
    background: var(--primary-blue);
    margin: 0 auto;
}

/* Brand Logos */
.brand-section {
    background: var(--light-gray);
    padding: 40px 0;
}

.brand-logo {
    height: 60px;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all 0.3s;
}

.brand-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
}

/* Services */
.service-card {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    text-align: center;
    transition: all 0.3s;
    margin-bottom: 30px;
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--light-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.service-icon i {
    font-size: 35px;
    color: var(--primary-blue);
}

.service-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--text-light);
    margin-bottom: 20px;
}

/* Why Choose Us */
.why-us {
    background: var(--light-gray);
}

.feature-box {
    text-align: center;
    padding: 30px;
}

.feature-icon {
    width: 100px;
    height: 100px;
    background: var(--primary-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.feature-icon i {
    font-size: 45px;
    color: var(--white);
}

.feature-box h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 10px;
}

/* Stats */
.stats-section {
    background: linear-gradient(rgba(0, 102, 204, 0.9), rgba(0, 102, 204, 0.9));
    padding: 60px 0;
}

.stat-item {
    text-align: center;
    color: var(--white);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Projects */
.project-filters {
    text-align: center;
    margin-bottom: 40px;
}

.filter-btn {
    background: transparent;
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
    padding: 8px 25px;
    margin: 5px;
    border-radius: 25px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-blue);
    color: var(--white);
}

.project-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    margin-bottom: 30px;
}

.project-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: all 0.5s;
}

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

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 102, 204, 0.95));
    padding: 20px;
    color: var(--white);
    transform: translateY(0);
    transition: all 0.3s;
}

.project-overlay h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.project-overlay p {
    font-size: 0.9rem;
    margin-bottom: 8px;
    opacity: 0.9;
}

.project-overlay small {
    font-size: 0.75rem;
    opacity: 0.8;
    display: block;
    margin-top: 5px;
}

.project-details {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid rgba(255,255,255,0.3);
}

.project-details small {
    background: rgba(255,255,255,0.2);
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 0.7rem;
}

.project-details i {
    margin-right: 4px;
}

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

.project-item:hover img {
    transform: scale(1.05);
}

/* Testimonials */
.testimonial-card {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    margin-bottom: 30px;
}

.testimonial-text {
    font-style: italic;
    color: var(--text-light);
    margin-bottom: 20px;
}

.testimonial-author {
    font-weight: 600;
    color: var(--text-dark);
}

.testimonial-role {
    color: var(--primary-blue);
    font-size: 0.9rem;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(rgba(0, 40, 85, 0.9), rgba(0, 40, 85, 0.9));
    padding: 60px 0;
    color: var(--white);
}

/* Footer */
.footer {
    background: linear-gradient(rgba(0, 40, 85, 0.85), rgba(0, 40, 85, 0.85));
    color: var(--white);
    padding: 60px 0 20px;
}

.cta-section h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 15px;
}

/* Footer */
.footer {
    background: #1a1a2e;
    color: var(--white);
    padding: 60px 0 20px;
}

.footer h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    transition: all 0.3s;
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-contact li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255,255,255,0.7);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.2);
    padding-top: 20px;
    margin-top: 40px;
    text-align: center;
    color: rgba(255,255,255,0.7);
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
}

.whatsapp-float a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
    transition: all 0.3s;
}

.whatsapp-float a:hover {
    transform: scale(1.1);
}

.whatsapp-float i {
    font-size: 30px;
    color: white;
}

/* Contact Form */
.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 30px rgba(0,0,0,0.1);
}

.form-control {
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    margin-bottom: 20px;
}

.form-control:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 30px;
}

.contact-info-item i {
    width: 50px;
    height: 50px;
    background: var(--light-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    font-size: 20px;
}

/* About Page */
.about-hero {
    background: linear-gradient(rgba(0, 40, 85, 0.85), rgba(0, 40, 85, 0.85)),
                url('https://images.unsplash.com/photo-1522071820081-009f0129c71c?w=1920') center/cover;
    padding: 100px 0;
    color: var(--white);
}

.about-hero h1 {
    font-size: 3rem;
    font-weight: 700;
}

.about-content {
    padding: 80px 0;
}

.about-image {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.about-image img {
    width: 100%;
}

/* Products Page */
.product-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s;
    margin-bottom: 30px;
}

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

.product-image {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light-gray);
    padding: 20px;
}

.product-image img {
    max-height: 150px;
    max-width: 100%;
}

.product-info {
    padding: 20px;
}

.product-info h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.product-info p {
    color: var(--text-light);
    margin-bottom: 15px;
}

.product-brand {
    display: inline-block;
    background: var(--light-blue);
    color: var(--primary-blue);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Page Header */
.page-header {
    background: linear-gradient(rgba(0, 40, 85, 0.85), rgba(0, 40, 85, 0.85)),
                url('https://images.unsplash.com/photo-1551434678-e076c223a692?w=1920') center/cover;
    padding: 80px 0;
    color: var(--white);
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
}