:root {
    --primary: #005792;
    --secondary: #00a8e8;
    --accent: #ff6b35;
    --light: #f8f9fa;
    --dark: #343a40;
    --gray: #6c757d;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    color: var(--dark);
    line-height: 1.6;
}

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

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

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

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

.logo h1 {
    color: var(--primary);
    font-size: 1.8rem;
    margin-left: 10px;
}

.logo-img {
    height: 40px;
    width: auto;
}

nav ul {
    display: flex;
    list-style: none;
}

nav li {
    margin-left: 25px;
}

nav a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: color 0.3s;
}

nav a:hover {
    color: var(--primary);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 87, 146, 0.85), rgba(0, 87, 146, 0.9)), url('../images/hero-background.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 180px 0 100px;
    text-align: center;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 30px;
}

.btn {
    display: inline-block;
    background-color: var(--accent);
    color: white;
    padding: 12px 30px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #e55a2b;
}

/* Sections */
section {
    padding: 80px 0;
}

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

.section-title h2 {
    color: var(--primary);
    font-size: 2rem;
    margin-bottom: 15px;
}

.section-title p {
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
}

/* About Section */
.about-content {
    display: flex;
    align-items: center;
    gap: 40px;
}

.about-text {
    flex: 1;
}

.about-image {
    flex: 1;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

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

/* Product Section */
.product {
    background-color: #f8f9fa;
}

.product-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

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

.feature-icon {
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: 20px;
}

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

/* Technology Section */
.tech-details {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.tech-item {
    flex: 1;
    min-width: 250px;
    padding: 20px;
    background: white;
    border-left: 4px solid var(--secondary);
    box-shadow: 0 3px 10px rgba(0,0,0,0.08);
}

.tech-item h3 {
    color: var(--primary);
    margin-bottom: 10px;
}

/* CTA Section */
.cta {
    background: linear-gradient(to right, var(--primary), var(--secondary));
    color: white;
    text-align: center;
    padding: 80px 0;
}

.cta h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.cta p {
    max-width: 600px;
    margin: 0 auto 30px;
}

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

.btn-light:hover {
    background-color: #f0f0f0;
}

/* Footer */
footer {
    background-color: var(--dark);
    color: white;
    padding: 50px 0 20px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 30px;
}

.footer-column {
    flex: 1;
    min-width: 200px;
    margin-bottom: 30px;
}

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

.footer-column p, .footer-column a {
    color: #adb5bd;
    margin-bottom: 10px;
    display: block;
    text-decoration: none;
}

.footer-column a:hover {
    color: white;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #495057;
    color: #adb5bd;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
    }
    
    nav ul {
        margin-top: 15px;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .hero {
        padding: 150px 0 80px;
    }
}