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

:root {
    --primary: #000080;
    --secondary: #008000;
    --accent: #1e90ff;
    --text: #333;
    --light-bg: #f8f9fa;
    --white: #fff;
    --border: #e0e0e0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--white);
}

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

header {
    background: linear-gradient(135deg, var(--primary) 0%, #001a4d 100%);
    color: var(--white);
    padding: 20px 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

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

.logo h1 {
    font-size: 1.8rem;
    font-weight: 600;
}

.logo span {
    color: var(--secondary);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
    flex-wrap: wrap;
}

nav a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 4px;
    transition: background 0.3s;
}

nav a:hover {
    background: rgba(255,255,255,0.15);
}

.hero {
    background: linear-gradient(135deg, var(--secondary) 0%, #005c00 100%);
    color: var(--white);
    padding: 80px 0;
    text-align: center;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

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

.products-bar {
    background: var(--light-bg);
    padding: 40px 0;
}

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

.product-card {
    background: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.12);
}

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

.btn {
    display: inline-block;
    padding: 12px 30px;
    background: var(--secondary);
    color: var(--white);
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    transition: background 0.3s;
    margin-top: 15px;
}

.btn:hover {
    background: #006600;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--white);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--secondary);
}

main {
    padding: 60px 0;
}

.content-grid {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 40px;
}

.sidebar {
    background: var(--light-bg);
    padding: 25px;
    border-radius: 8px;
    height: fit-content;
}

.sidebar h3 {
    color: var(--primary);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--secondary);
}

.sidebar ul {
    list-style: none;
}

.sidebar li {
    margin-bottom: 10px;
}

.sidebar a {
    color: var(--text);
    text-decoration: none;
    display: block;
    padding: 8px 12px;
    border-radius: 4px;
    transition: background 0.3s, color 0.3s;
}

.sidebar a:hover, .sidebar a.active {
    background: var(--primary);
    color: var(--white);
}

.content {
    max-width: 900px;
}

.content h2 {
    color: var(--secondary);
    font-size: 1.8rem;
    margin: 30px 0 20px;
}

.content h3 {
    color: var(--primary);
    font-size: 1.3rem;
    margin: 25px 0 15px;
}

.content p {
    margin-bottom: 15px;
}

.content ul, .content ol {
    margin: 15px 0 15px 30px;
}

.content li {
    margin-bottom: 8px;
}

.section-divider {
    border: 0;
    height: 2px;
    background: var(--border);
    margin: 40px 0;
}

.featured-section {
    background: var(--light-bg);
    padding: 60px 0;
}

.two-column {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 30px;
}

.card {
    background: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

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

.features-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.feature-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.feature-icon {
    width: 40px;
    height: 40px;
    background: var(--secondary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

footer {
    background: var(--primary);
    color: var(--white);
    padding: 30px 0;
    text-align: center;
}

footer a {
    color: var(--white);
}

.contact-bar {
    background: var(--secondary);
    color: var(--white);
    padding: 15px 0;
    text-align: center;
}

.contact-bar a {
    color: var(--white);
    text-decoration: underline;
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
    }
    
    nav ul {
        justify-content: center;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .hero h2 {
        font-size: 1.8rem;
    }
}