:root {
    --primary-color: #1a73e8;
    --secondary-color: #f1f3f4;
    --accent-color: #fbbc04;
    --text-color: #202124;
    --background-color: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--secondary-color);
    color: var(--text-color);
    line-height: 1.6;
}

header {
    background-color: var(--primary-color);
    padding: 2rem;
    text-align: center;
    color: white;
    box-shadow: 0 2px 4px var(--shadow-color);
}

main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

section {
    background-color: var(--background-color);
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px var(--shadow-color);
    transition: transform 0.3s ease;
}

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

h1 {
    color: var(--secondary-color);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

h2 {
    color: var(--primary-color);
    font-size: 2rem;
    font-weight: 600;
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

li {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
}

li::before {
    content: "•";
    color: var(--accent-color);
    position: absolute;
    left: 0;
    font-size: 1.5rem;
    line-height: 1;
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    header {
        padding: 1.5rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    section {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    header {
        padding: 1rem;
    }
    
    h1 {
        font-size: 1.75rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    section {
        padding: 1rem;
    }
}

/* Utility Classes */
.button {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-color);
    color: white;
    border-radius: 4px;
    text-align: center;
    transition: background-color 0.3s ease;
}

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

.card {
    background-color: var(--background-color);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px var(--shadow-color);
    margin-bottom: 1rem;
}

.testimonial {
    background-color: var(--secondary-color);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.diagram-container {
    max-width: 100%;
    overflow: hidden;
    margin: 2rem 0;
    background-color: var(--secondary-color);
    padding: 1rem;
    border-radius: 8px;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

/* Footer Styles */
footer {
    background-color: var(--primary-color);
    color: white;
    padding: 2rem;
    text-align: center;
    margin-top: 3rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1rem;
}

.social-links a {
    color: white;
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--accent-color);
}

footer p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.8;
}