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

:root {
    --primary-color: #0066cc;
    --secondary-color: #004499;
    --text-color: #333333;
    --text-light: #666666;
    --bg-color: #ffffff;
    --bg-light: #f5f5f5;
    --border-color: #dddddd;
    --success-color: #28a745;
    --error-color: #dc3545;
    --max-width: 1200px;
}

body {
    font-family: 'Georgia', 'Times New Roman', serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    font-size: 16px;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.main-header {
    background-color: #1a1a1a;
    color: #ffffff;
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo h1 {
    font-size: 1.8rem;
    font-weight: bold;
    color: #0066cc;
}

.logo a {
    text-decoration: none;
    color: inherit;
}

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

.main-nav a {
    color: #ffffff;
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s;
    padding: 0.5rem 0;
}

.main-nav a:hover,
.main-nav a.active {
    color: #0066cc;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    gap: 4px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: #ffffff;
    transition: all 0.3s;
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 200px);
    padding: 2rem 0;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    color: #ffffff;
    padding: 4rem 0;
    text-align: center;
    position: relative;
}

.hero-section h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: bold;
}

.hero-section p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    color: #cccccc;
}

.cta-button {
    display: inline-block;
    background-color: var(--primary-color);
    color: #ffffff;
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: 5px;
    font-size: 1.1rem;
    transition: background-color 0.3s;
    border: none;
    cursor: pointer;
}

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

/* Product Section */
.products-section {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-color);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.product-card {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.product-card img {
    max-width: 100%;
    height: auto;
    margin-bottom: 1.5rem;
    border-radius: 5px;
}

.product-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.product-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

/* Features Section */
.features-section {
    background-color: var(--bg-light);
    padding: 4rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-item {
    text-align: center;
    padding: 1.5rem;
}

.feature-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* Form Styles */
.form-section {
    max-width: 600px;
    margin: 3rem auto;
    padding: 2rem;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.form-section h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.error-message {
    color: var(--error-color);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

.success-message {
    background-color: #d4edda;
    color: #155724;
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
    border: 1px solid #c3e6cb;
}

.required {
    color: var(--error-color);
}

/* Content Pages */
.content-page {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
}

.content-page h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.content-page h2 {
    font-size: 2rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.content-page h3 {
    font-size: 1.5rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-color);
}

.content-page p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.content-page ul,
.content-page ol {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.content-page li {
    margin-bottom: 0.5rem;
}

.content-page img {
    max-width: 100%;
    height: auto;
    margin: 2rem 0;
    border-radius: 5px;
}

/* Footer */
.main-footer {
    background-color: #1a1a1a;
    color: #ffffff;
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #0066cc;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #cccccc;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: #0066cc;
}

.footer-section p {
    color: #cccccc;
    margin-bottom: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #333333;
    color: #cccccc;
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: #1a1a1a;
        padding: 1rem;
    }
    
    .main-nav.active {
        display: block;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 0;
    }
    
    .main-nav a {
        display: block;
        padding: 1rem;
        border-bottom: 1px solid #333333;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .hero-section p {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .content-page {
        padding: 1rem;
    }
    
    .content-page h1 {
        font-size: 2rem;
    }
    
    .form-section {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-section {
        padding: 2rem 0;
    }
    
    .hero-section h1 {
        font-size: 1.5rem;
    }
    
    .cta-button {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
}