:root {
    --dark-blue: #0a1931;
    --medium-blue: #185adb;
    --light-blue: #a2d0fa;
    --accent: #ffc947;
    --white: #f8f9fa;
    --gray: #e9ecef;
}

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

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background-color: var(--dark-blue);
    padding: 2rem 0;
    border-bottom: 2px solid var(--medium-blue);
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.logo {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--accent);
    margin-bottom: 1rem;
}

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

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

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

.hero {
    background: linear-gradient(to right, var(--dark-blue), var(--medium-blue));
    padding: 4rem 0;
    text-align: center;
}

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

.hero p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
}

.content-section {
    padding: 4rem 0;
}

.section-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--accent);
}

.card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.card h3 {
    color: var(--accent);
    margin-bottom: 1rem;
}

.image-placeholder {
    width: 100%;
    height: 300px;
    background-color: var(--medium-blue);
    border-radius: 8px;
    margin: 1.5rem 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.image-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.impact-item {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 8px;
}

.impact-item h4 {
    color: var(--accent);
    margin-bottom: 1rem;
}

.solutions-list {
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.solutions-list li {
    margin-bottom: 0.5rem;
}

footer {
    background-color: var(--dark-blue);
    padding: 2rem 0;
    text-align: center;
    border-top: 2px solid var(--medium-blue);
}

@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .impact-grid {
        grid-template-columns: 1fr;
    }
}