:root {
    --navy-blue: #003366;
    --orange: #F39C12;
    --orange-hover: #e08e0b;
    --light-grey: #F4F4F4;
    --white: #ffffff;
    --text-dark: #333333;
    --text-light: #666666;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans Georgian', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--white);
}

/* Header */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--navy-blue);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    transition: color 0.3s;
}

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

.btn-primary {
    background-color: var(--orange);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: background-color 0.3s, transform 0.2s;
}

.btn-primary:hover {
    background-color: var(--orange-hover);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 51, 102, 0.85), rgba(0, 51, 102, 0.85)), url('images/hero-bg.png') center/cover no-repeat;
    color: var(--white);
    text-align: center;
    padding: 8rem 5%;
}

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

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: #e0e0e0;
}

/* Section Common */
section {
    padding: 5rem 5%;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--navy-blue);
    margin-bottom: 3rem;
    font-weight: 800;
}

/* Products Section */
.products {
    background-color: var(--light-grey);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.product-card {
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: center;
    display: flex;
    flex-direction: column;
}

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

.product-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-bottom: 3px solid var(--orange);
}

.product-info {
    padding: 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-info h3 {
    font-size: 1.5rem;
    color: var(--navy-blue);
    margin-bottom: 1rem;
    font-weight: 800;
}

.product-info p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

/* Advantages Section */
.advantages {
    max-width: 1200px;
    margin: 0 auto;
}

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

.advantage-card {
    text-align: center;
    padding: 2.5rem 2rem;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    transition: box-shadow 0.3s;
}

.advantage-card:hover {
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
}

.advantage-icon {
    font-size: 3rem;
    color: var(--orange);
    margin-bottom: 1.5rem;
}

.advantage-card h3 {
    font-size: 1.3rem;
    color: var(--navy-blue);
    margin-bottom: 1rem;
    font-weight: 800;
}

.advantage-card p {
    color: var(--text-light);
}

/* Technical Value Section */
.technical-value {
    background-color: var(--navy-blue);
    color: var(--white);
    text-align: center;
}

.technical-value .section-title {
    color: var(--white);
}

.technical-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.2rem;
    line-height: 1.8;
}

.technical-content p {
    margin-bottom: 1.5rem;
}

/* Contact Section */
.contact {
    background-color: var(--light-grey);
    text-align: center;
}

.contact-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 3rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.2rem;
    color: var(--navy-blue);
    font-weight: 600;
}

.contact-item i {
    color: var(--orange);
    font-size: 1.5rem;
}

/* Footer */
footer {
    background-color: #002244;
    color: var(--white);
    text-align: center;
    padding: 2rem 5%;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .hero {
        padding: 6rem 5%;
    }
    .hero h1 {
        font-size: 2rem;
    }
    .hero p {
        font-size: 1.1rem;
    }
    .section-title {
        font-size: 2rem;
    }
}