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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
}

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

/* Navigation */
.navbar {
    background: #2c3e50;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h2 {
    color: #e74c3c;
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #e74c3c;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
}

.hero-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    font-weight: bold;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: #e74c3c;
    color: white;
}

.btn-primary:hover {
    background: #c0392b;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #2c3e50;
}

/* About Section */
.about {
    padding: 80px 0;
    background: #f8f9fa;
}

.about h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

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

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

/* Services Section */
.services {
    padding: 80px 0;
    background: white;
}

.services h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.service-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    border-left: 4px solid #e74c3c;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.service-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.service-card p {
    line-height: 1.6;
    color: #555;
}

/* Demo Section */
.demo {
    padding: 80px 0;
    background: #f8f9fa;
    text-align: center;
}

.demo h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: #2c3e50;
}

.demo-intro {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    color: #555;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.demo-showcase {
    max-width: 500px;
    margin: 0 auto;
}

.demo-link {
    display: block;
    text-decoration: none;
    color: inherit;
    transition: transform 0.3s ease;
}

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

.demo-thumbnail {
    position: relative;
    background: white;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    overflow: hidden;
    margin-bottom: 1.5rem;
    cursor: pointer;
}

.demo-image {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.demo-link:hover .demo-image {
    transform: scale(1.05);
}

.demo-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(231, 76, 60, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.demo-thumbnail:hover .demo-overlay {
    opacity: 1;
}

.demo-overlay span {
    color: white;
    font-size: 1.1rem;
    font-weight: bold;
}

.demo-link h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.demo-link p {
    color: #666;
    line-height: 1.6;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: #2c3e50;
    color: white;
    text-align: center;
}

.contact h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

.contact-content p {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-item h3 {
    color: #e74c3c;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.contact-item a {
    color: white;
    text-decoration: none;
    font-size: 1.1rem;
}

.contact-item a:hover {
    color: #e74c3c;
}

.cta-section {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: #1a252f;
    color: white;
    text-align: center;
    padding: 2rem 0;
}



/* Mobile Responsiveness */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .nav-menu {
        display: none;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons,
    .cta-section {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .services,
    .about,
    .contact {
        padding: 60px 0;
    }
    
    .service-card {
        padding: 1.5rem;
    }
    
    
    
    .demo {
        padding: 60px 0;
    }
}