:root {
    --primary-color: #d62828;
    --secondary-color: #003049;
    --dark-color: #000000;
    --light-color: #ffffff;
    --accent-color: #1a73e8;
    --gray-color: #f8f9fa;
    --dark-gray: #6c757d;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 15px;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 15px;
}

.blue-text {
    color: var(--secondary-color);
}

.red-text {
    color: var(--primary-color);
}

.black-text {
    color: var(--dark-color);
}

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

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    margin: 15px auto 0;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 4px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--light-color);
}

.btn-primary:hover {
    background-color: #b51f1f;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(214, 40, 40, 0.3);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--light-color);
}

.btn-secondary:hover {
    background-color: #00253a;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 48, 73, 0.3);
}

/* Header */
.header {
    background-color: var(--light-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo img {
    height: 50px;
}

.logo h1 {
    font-size: 1.8rem;
    margin: 0;
}

/* Navigation */
.main-nav {
    position: relative;
}

.nav-list {
    display: flex;
}

.nav-list li {
    margin-left: 30px;
}

.nav-list a {
    font-weight: 600;
    position: relative;
    padding: 5px 0;
    transition: var(--transition);
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-list a:hover::after,
.nav-list a.active::after {
    width: 100%;
}

.nav-list a.active {
    color: var(--primary-color);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.mobile-menu-toggle .bar {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--dark-color);
    margin: 5px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('images/hero-bg.jpg') no-repeat center center/cover;
    color: var(--light-color);
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    text-align: center;
    padding-top: 80px;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

/* Video Section */
.video-section {
    padding: 60px 0;
    background-color: var(--gray-color);
}

.video-container {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    max-width: 800px;
    margin: 0 auto;
}

.video-container video {
    width: 100%;
    display: block;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 48, 73, 0.7);
    color: var(--light-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 20px;
    opacity: 1;
    transition: var(--transition);
}

.video-overlay h3 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.video-container:hover .video-overlay {
    opacity: 0;
}

/* Services Section */
.services {
    padding: 100px 0;
    background-color: var(--light-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    background-color: var(--gray-color);
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(214, 40, 40, 0.1);
    border-radius: 50%;
    font-size: 2rem;
    color: var(--primary-color);
}

.service-card h3 {
    color: var(--secondary-color);
    margin-bottom: 15px;
}

/* Portfolio Section */
.portfolio {
    padding: 100px 0;
    background-color: var(--gray-color);
}

.portfolio-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 8px 20px;
    background-color: transparent;
    border: 1px solid var(--dark-gray);
    color: var(--dark-gray);
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
}

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

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.portfolio-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    height: 250px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 48, 73, 0.8);
    color: var(--light-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition);
    padding: 20px;
    text-align: center;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

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

.portfolio-overlay h3 {
    margin-bottom: 10px;
}

.portfolio-link {
    color: var(--light-color);
    border: 2px solid var(--light-color);
    padding: 8px 20px;
    border-radius: 30px;
    margin-top: 15px;
    transition: var(--transition);
}

.portfolio-link:hover {
    background-color: var(--light-color);
    color: var(--secondary-color);
}

/* About Section */
.about {
    padding: 100px 0;
    background-color: var(--light-color);
}

.about .container {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-content {
    flex: 1;
}

.about-image {
    flex: 1;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.about-image img {
    display: block;
    transition: var(--transition);
    width: 100%;
    height: auto;
}

.about-image:hover img {
    transform: scale(1.05);
}

.about-stats {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    flex-wrap: wrap;
    gap: 20px;
}

.stat-item {
    text-align: center;
    flex: 1;
    min-width: 150px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
    line-height: 1;
}

.stat-label {
    color: var(--dark-gray);
    font-size: 1rem;
}

/* Testimonials Section */
.testimonials {
    padding: 100px 0;
    background-color: var(--secondary-color);
    color: var(--light-color);
}

.testimonials .section-title::after {
    background-color: var(--light-color);
}

.testimonial-slider {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.testimonial-slide {
    display: none;
    padding: 20px;
    text-align: center;
}

.testimonial-slide.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.testimonial-content {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 40px;
    border-radius: 8px;
    margin-bottom: 30px;
    position: relative;
}

.testimonial-content::before {
    content: '"';
    font-size: 80px;
    color: rgba(255, 255, 255, 0.1);
    position: absolute;
    top: 20px;
    left: 20px;
    line-height: 1;
}

.testimonial-content p {
    font-size: 1.1rem;
    font-style: italic;
    margin-bottom: 30px;
    position: relative;
    z-index: 1;
}

.client-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.client-info img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid var(--primary-color);
    object-fit: cover;
}

.client-info h4 {
    margin-bottom: 5px;
}

.client-role {
    color: var(--dark-gray);
    font-size: 0.9rem;
}

.slider-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-top: 30px;
}

.slider-prev,
.slider-next {
    background: none;
    border: none;
    color: var(--light-color);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.slider-prev:hover,
.slider-next:hover {
    color: var(--primary-color);
}

.slider-dots {
    display: flex;
    gap: 10px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background-color: var(--light-color);
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background-color: var(--gray-color);
}

.contact-container {
    display: flex;
    gap: 50px;
    margin-top: 50px;
}

.contact-info {
    flex: 1;
    padding: 30px;
    background-color: var(--light-color);
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.contact-info h3 {
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.contact-details {
    margin: 30px 0;
}

.contact-item {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    align-items: flex-start;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 5px;
}

.contact-item h4 {
    margin-bottom: 5px;
    color: var(--secondary-color);
}

.business-hours h4 {
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.contact-form {
    flex: 1;
    padding: 30px;
    background-color: var(--light-color);
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(214, 40, 40, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Form Status Message */
.form-status {
    padding: 15px;
    margin: 20px 0;
    border-radius: 4px;
    text-align: center;
    display: none;
}

.form-status.success {
    background-color: #d4edda;
    color: #155724;
    display: block;
}

.form-status.error {
    background-color: #f8d7da;
    color: #721c24;
    display: block;
}

/* Footer */
.footer {
    background-color: var(--secondary-color);
    color: var(--light-color);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.footer-col h3 {
    color: var(--light-color);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-col p {
    opacity: 0.8;
}

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

.footer-col ul a {
    opacity: 0.8;
    transition: var(--transition);
}

.footer-col ul a:hover {
    opacity: 1;
    color: var(--primary-color);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition);
    font-size: 1.2rem;
}

.social-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.newsletter-form {
    display: flex;
    margin-top: 20px;
}

.newsletter-form input {
    flex: 1;
    padding: 12px 15px;
    border: none;
    border-radius: 4px 0 0 4px;
    font-family: inherit;
}

.newsletter-form button {
    padding: 0 20px;
    background-color: var(--primary-color);
    color: var(--light-color);
    border: none;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background-color: #b51f1f;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    opacity: 0.8;
    transition: var(--transition);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--primary-color);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--light-color);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--secondary-color);
    transform: translateY(-5px);
}

/* Skip to Content Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background-color: var(--secondary-color);
    color: var(--light-color);
    padding: 8px 15px;
    z-index: 100;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .about .container,
    .contact-container {
        flex-direction: column;
    }
    
    .about-image {
        order: -1;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .mobile-menu-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .mobile-menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .nav-list {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--light-color);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    }
    
    .nav-list.active {
        right: 0;
    }
    
    .nav-list li {
        margin: 15px 0;
    }
    
    .hero h2 {
        font-size: 2.5rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-item i {
        font-size: 1.2rem;
    }
}

@media (max-width: 576px) {
    .hero h2 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .testimonial-content {
        padding: 30px 20px;
    }
    
    .client-info {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 10px;
    }
    
    .logo {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .logo h1 {
        font-size: 1.5rem;
    }
}