:root {
    --primary-color: #003366; /* Deep Navy */
    --secondary-color: #ffcc00; /* Gold/Yellow */
    --accent-color: #0055a5; /* Lighter Blue */
    --text-color: #333;
    --light-bg: #f4f7f9;
    --white: #ffffff;
    --padding-standard: 20px;
    --max-width: 1200px;
}

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

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

header {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--padding-standard);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--secondary-color);
    text-decoration: none;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
}

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

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

.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    padding: 60px 20px;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-block;
    background-color: var(--secondary-color);
    color: var(--primary-color);
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

section {
    padding: 60px 20px;
}

.features {
    background-color: var(--white);
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
    color: var(--primary-color);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: var(--max-width);
    margin: 0 auto;
}

.card {
    background: var(--light-bg);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

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

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

.info-block {
    max-width: var(--max-width);
    margin: 0 auto;
    background-color: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    margin-bottom: 40px;
}

.info-block h2 {
    color: var(--primary-color);
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 10px;
    margin-bottom: 20px;
}

footer {
    background-color: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 30px 20px;
    margin-top: auto;
}

footer p {
    opacity: 0.8;
    font-size: 0.9rem;
}

footer a {
    color: var(--secondary-color);
    text-decoration: none;
}

@media (max-width: 768px) {
    .container {
        flex-direction: column;
        gap: 20px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    nav ul {
        flex-direction: column;
        text-align: center;
    }
}