:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --text-color: #333;
    --light-bg: #f5f6fa;
    --transition: all 0.3s ease;
}

* {
    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-color);
}

/* Header Styles */
.header {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: 700;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    margin-left: 2rem;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--secondary-color);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, #2c3e50, #3498db);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    padding: 0 1rem;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--accent-color);
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: var(--transition);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Services Section */
.services {
    padding: 5rem 2rem;
    background-color: #f8f9fa;
}

.services h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: #333;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.service-card i {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.service-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.service-card p {
    color: #666;
    line-height: 1.6;
}

/* Banner Flash Section - Optimized */
.banner-flash {
    position: relative;
    width: 100%;
    height: 500px;
    margin: 0 auto;
    overflow: hidden;
    background: #f8f9fa;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.banner-container {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.6s ease;
    will-change: transform, opacity;
}

.banner-slide:first-child {
    opacity: 1;
}

.banner-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
    will-change: transform;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* Image optimization for different screen sizes */
@media (max-width: 768px) {
    .banner-slide img {
        object-position: center top;
        height: 300px;
    }
    .banner-flash {
        height: 300px;
    }
}

@media (max-width: 480px) {
    .banner-slide img {
        height: 250px;
    }
    .banner-flash {
        height: 250px;
    }
}

/* Hover effect for better UX */
.banner-slide:hover img {
    transform: scale(1.02);
}

.banner-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 2rem 1.5rem 1.5rem;
    text-align: center;
    backdrop-filter: blur(2px);
}

.banner-overlay h3 {
    margin: 0;
    font-size: 1.8rem;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.banner-overlay p {
    margin: 0.5rem 0 0;
    font-size: 1rem;
    opacity: 0.9;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

@media (max-width: 768px) {
    .banner-overlay h3 {
        font-size: 1.4rem;
    }
    .banner-overlay p {
        font-size: 0.9rem;
    }
    .banner-overlay {
        padding: 1.5rem 1rem 1rem;
    }
}

.banner-controls {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 1rem;
    pointer-events: none;
}

.prev-slide, .next-slide {
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary-color);
    border: none;
    padding: 0.8rem;
    cursor: pointer;
    border-radius: 50%;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    pointer-events: auto;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.prev-slide:hover, .next-slide:hover {
    background: rgba(255, 255, 255, 1);
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.prev-slide:active, .next-slide:active {
    transform: scale(0.95);
}

/* Loading state for images */
.banner-slide img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.banner-slide img[loading="lazy"].loaded {
    opacity: 1;
}

/* Performance optimizations */
.banner-flash {
    contain: layout style paint;
}

.banner-slide {
    contain: layout style paint;
}

/* Prefers reduced motion */
@media (prefers-reduced-motion: reduce) {
    .banner-slide {
        transition: opacity 0.3s ease;
    }
    .banner-slide img {
        transition: none;
    }
    .prev-slide, .next-slide {
        transition: background-color 0.2s ease;
    }
}

/* About Section */
.about {
    padding: 5rem 1rem;
    background: white;
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.stat h3 {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

/* Contact Section */
.contact {
    padding: 5rem 1rem;
    background: var(--light-bg);
}

.contact-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.contact-form input, .contact-form select, .contact-form textarea {
    width: 100%;
    padding: 0.8rem;
    margin-bottom: 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.contact-form textarea {
    height: 150px;
    resize: vertical;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.whatsapp-link {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 10px;
    color: #25D366;
    text-decoration: none;
    font-size: 1.5rem;
    width: 24px;
    height: 24px;
}

.whatsapp-link:hover {
    color: #128C7E;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-right: 1rem;
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: white;
    padding: 3rem 1rem 1rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--secondary-color);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    font-size: 1.5rem;
}

.footer-bottom {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar {
        padding: 1rem;
    }

    .nav-links {
        display: none;
    }

    .hamburger {
        display: block;
        cursor: pointer;
    }

    .hamburger span {
        display: block;
        width: 25px;
        height: 3px;
        background: var(--text-color);
        margin: 5px 0;
        transition: var(--transition);
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .contact-info {
        grid-template-columns: 1fr;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.service-card {
    animation: fadeIn 0.5s ease-out;
}

.stat {
    animation: fadeIn 0.5s ease-out;
}

.info-item {
    animation: fadeIn 0.5s ease-out;
}