/* Base styles */
:root {
    --primary-color: #004080;
    --secondary-color: #00264d;
    --text-color: #333;
    --light-bg: #f5f5f5;
}

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

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

/* Navigation */
header {
    background-color: var(--primary-color);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 2rem;
}

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

nav a:hover {
    color: #ddd;
}

/* Main content */
main {
    margin-top: 60px;
}

section {
    padding: 4rem 2rem;
}

#hero {
    background-color: var(--secondary-color);
    color: white;
    text-align: center;
    padding: 6rem 2rem;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

/* Solutions grid */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.solution-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgb(0 0 0 / 10%);
    transition: transform 0.3s ease;
}

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

/* CTA Button */
.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 4px;
    margin-top: 1rem;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background-color: var(--secondary-color);
}

/* Footer */
footer {
    background-color: var(--light-bg);
    text-align: center;
    padding: 2rem;
    margin-top: 4rem;
}

/* Responsive design */
@media (width <= 768px) {
    nav ul {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    section {
        padding: 2rem 1rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }
}