/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* Header */
.header {
    background: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.navbar-brand a {
    font-size: 1.5rem;
    font-weight: bold;
    color: #2c3e50;
    text-decoration: none;
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-link {
    color: #666;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: color 0.3s;
}

.nav-link:hover {
    color: #2c3e50;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    text-align: center;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: #3498db;
    color: white;
}

.btn-primary:hover {
    background: #2980b9;
}

.btn-cta {
    background: #e74c3c;
    color: white;
    font-size: 1.1rem;
    padding: 1rem 2rem;
}

.btn-cta:hover {
    background: #c0392b;
    transform: translateY(-2px);
}

/* Main Content */
.main-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem 20px;
    background: white;
    min-height: calc(100vh - 200px);
}

/* Images */
img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    margin: 2rem 0;
}

/* Typography */
h1 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
    text-align: center;
}

h2 {
    font-size: 1.8rem;
    color: #34495e;
    margin: 2rem 0 1rem 0;
    border-bottom: 2px solid #3498db;
    padding-bottom: 0.5rem;
}

h3 {
    font-size: 1.3rem;
    color: #2c3e50;
    margin: 1.5rem 0 0.5rem 0;
}

p {
    margin-bottom: 1rem;
    color: #555;
}

em {
    font-style: italic;
    color: #666;
    text-align: center;
    display: block;
    margin: 1rem 0 2rem 0;
}

/* Lists */
ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

li {
    margin-bottom: 0.5rem;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 3rem 2rem;
    border-radius: 12px;
    text-align: center;
    margin: 3rem 0;
}

.cta-section h3 {
    color: white;
    margin-bottom: 1rem;
}

.cta-section p {
    color: rgba(255,255,255,0.9);
    margin-bottom: 2rem;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: auto;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 1rem;
    }
    
    .main-content {
        padding: 2rem 15px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .cta-section {
        padding: 2rem 1rem;
    }
}