body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    margin: 0;
    padding: 0;
    background-color: #f8f8f8;
    color: #333;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    background-color: #ffffff;
    color: #333;
    padding: 15px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo-title {
    display: flex;
    align-items: center;
}

header .logo {
    height: 50px;
    margin-right: 15px;
    border-radius: 50%;
    border: 2px solid #ff8c00;
}

header h1 {
    margin: 0;
    font-size: 1.8em;
    color: #333;
}

header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

header nav ul li {
    margin-left: 30px;
}

header nav ul li a {
    text-decoration: none;
    color: #555;
    font-weight: 600;
    padding: 5px 0;
    transition: color 0.3s ease-in-out;
}

header nav ul li a:hover {
    color: #ff8c00;
}

main {
    flex: 1;
}

.hero-section {
    background-color: #000080; /* Dark Blue */
    color: white;
    padding: 100px 20px;
    text-align: center;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero-section h2 {
    font-size: 3.5em;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-section p {
    font-size: 1.3em;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-buttons .btn {
    display: inline-block;
    padding: 15px 30px;
    margin: 0 10px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.hero-buttons .btn.primary {
    background-color: #ff8c00;
    color: white;
    border: 2px solid #ff8c00;
}

.hero-buttons .btn.primary:hover {
    background-color: #e67e00;
    border-color: #e67e00;
}

.hero-buttons .btn.secondary {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

.hero-buttons .btn.secondary:hover {
    background-color: rgba(255,255,255,0.1);
}

.mission-impact-section {
    padding: 80px 20px;
    text-align: center;
    background-color: #f8f8f8;
}

.mission-impact-section h2 {
    font-size: 2.8em;
    color: #333;
    margin-bottom: 20px;
}

.mission-impact-section p {
    font-size: 1.1em;
    line-height: 1.7;
    max-width: 800px;
    margin: 0 auto 30px auto;
}

.mission-impact-section .btn {
    background-color: #ff8c00;
    color: white;
    padding: 12px 25px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease;
    border: none;
    cursor: pointer;
}

.mission-impact-section .btn:hover {
    background-color: #e67e00;
}

.what-we-do-section {
    background-color: #ffffff;
    padding: 80px 20px;
}

.what-we-do-section h2 {
    font-size: 2.8em;
    color: #333;
    text-align: center;
    margin-bottom: 20px;
}

.what-we-do-section .subtitle {
    font-size: 1.2em;
    text-align: center;
    margin-bottom: 50px;
    color: #666;
}

.cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.card {
    background-color: #f8f8f8;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    text-align: center;
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
}

.card h3 {
    color: #ff8c00;
    font-size: 1.8em;
    margin-bottom: 15px;
}

.card p {
    font-size: 1em;
    line-height: 1.6;
    color: #555;
}

.support-section {
    background-color: #f8f8f8;
    padding: 80px 20px;
    text-align: center;
}

.support-section h2 {
    font-size: 2.8em;
    color: #333;
    margin-bottom: 20px;
}

.support-section .subtitle {
    font-size: 1.2em;
    margin-bottom: 50px;
    color: #666;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 30px 20px;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

/* Responsive design */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        padding: 15px 20px;
    }
    
    .header-content {
        flex-direction: column;
    }

    .logo-title {
        margin-bottom: 15px;
    }

    header nav ul {
        flex-direction: column;
        text-align: center;
    }

    header nav ul li {
        margin: 8px 0;
    }
    
    header .logo {
        margin-right: 0;
        margin-bottom: 10px;
    }
    
    header h1 {
        font-size: 1.5em;
    }
    
    .hero-section {
        padding: 80px 20px;
    }

    .hero-section h2 {
        font-size: 2.5em;
    }

    .hero-section p {
        font-size: 1em;
    }

    .hero-buttons .btn {
        display: block;
        margin: 15px auto;
    }

    .mission-impact-section, .what-we-do-section, .support-section {
        padding: 60px 20px;
    }

    .mission-impact-section h2, .what-we-do-section h2, .support-section h2 {
        font-size: 2em;
    }

    .cards-container {
        grid-template-columns: 1fr;
    }
}