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

html {
    font-size: 16px;
    line-height: 1.6;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: #333;
    background-color: #fff;
}

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

/* Header */
.header {
    background-color: #fff;
    border-bottom: 1px solid #e5e5e5;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo {
    width: 32px;
    height: 32px;
}

.brand-name {
    font-weight: 600;
    font-size: 1.25rem;
    color: #2563eb;
}

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

.nav-link {
    text-decoration: none;
    color: #4b5563;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-link:hover,
.nav-link.active {
    color: #2563eb;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #1f2937;
    color: white;
    padding: 1rem;
    z-index: 1000;
    display: block;
}

.cookie-banner.hidden {
    display: none;
}

.cookie-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 1rem;
}

.cookie-content p {
    margin: 0;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 0.375rem;
    text-decoration: none;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background-color: #2563eb;
    color: white;
}

.btn-primary:hover {
    background-color: #1d4ed8;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Page Header */
.page-header {
    background-color: #f8fafc;
    padding: 3rem 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.page-header p {
    font-size: 1.125rem;
    color: #6b7280;
}

/* Sections */
section {
    padding: 3rem 0;
}

/* Comparison Grid */
.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.comparison-card {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    padding: 1.5rem;
    transition: all 0.2s;
    text-decoration: none;
    color: inherit;
    display: block;
}

.comparison-card:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.comparison-card img {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
}

.comparison-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.comparison-card .category {
    display: inline-block;
    background-color: #eff6ff;
    color: #2563eb;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.comparison-card p {
    color: #6b7280;
    font-size: 0.875rem;
    line-height: 1.5;
}

/* Features Grid */
.features {
    background-color: #f8fafc;
}

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

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 0.5rem;
    text-align: center;
    border: 1px solid #e5e7eb;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

.feature-card p {
    color: #6b7280;
}

/* Filters */
.filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.filter-group {
    flex: 1;
    min-width: 200px;
}

.search-input,
.category-filter {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 0.375rem;
    font-size: 1rem;
}

.search-input:focus,
.category-filter:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Comparison Detail */
.comparison-detail {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.comparison-header {
    text-align: center;
    margin-bottom: 3rem;
}

.comparison-header img {
    width: 80px;
    height: 80px;
    margin-bottom: 1rem;
}

.comparison-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.comparison-section {
    margin-bottom: 3rem;
}

.comparison-section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
    border-bottom: 2px solid #e5e7eb;
    padding-bottom: 0.5rem;
}

.comparison-section h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #374151;
}

.comparison-section ul {
    list-style-type: disc;
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.comparison-section li {
    margin-bottom: 0.5rem;
    color: #4b5563;
}

.pros-cons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.pros,
.cons {
    padding: 1.5rem;
    border-radius: 0.5rem;
}

.pros {
    background-color: #f0fdf4;
    border-left: 4px solid #10b981;
}

.cons {
    background-color: #fef2f2;
    border-left: 4px solid #ef4444;
}

.external-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.external-link {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: #f3f4f6;
    color: #374151;
    text-decoration: none;
    border-radius: 0.375rem;
    transition: background-color 0.2s;
}

.external-link:hover {
    background-color: #e5e7eb;
}

/* Contact Form */
.contact {
    background-color: #f8fafc;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 2rem;
}

.contact-form,
.contact-info {
    background: white;
    padding: 2rem;
    border-radius: 0.5rem;
    border: 1px solid #e5e7eb;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #374151;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 0.375rem;
    font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.contact-item {
    margin-bottom: 2rem;
}

.contact-item h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.contact-item p {
    color: #6b7280;
    line-height: 1.6;
}

.contact-item a {
    color: #2563eb;
    text-decoration: none;
}

.contact-item a:hover {
    text-decoration: underline;
}

/* Content Pages */
.content {
    background-color: #fff;
}

.content-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.content-wrapper h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1f2937;
}

.content-wrapper h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 2rem 0 1rem 0;
    color: #374151;
}

.content-wrapper h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 1.5rem 0 0.5rem 0;
    color: #4b5563;
}

.content-wrapper p {
    margin-bottom: 1rem;
    color: #4b5563;
    line-height: 1.7;
}

.content-wrapper ul {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.content-wrapper li {
    margin-bottom: 0.5rem;
    color: #4b5563;
}

.disclaimer-box {
    background-color: #fef3c7;
    border: 1px solid #f59e0b;
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin: 2rem 0;
}

.disclaimer-box p {
    margin: 0;
    color: #92400e;
}

/* Form Messages */
.form-message {
    padding: 1rem;
    border-radius: 0.375rem;
    margin-top: 1rem;
}

.form-message.success {
    background-color: #f0fdf4;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.form-message.error {
    background-color: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

/* Not Found */
.not-found {
    text-align: center;
    padding: 4rem 0;
}

.not-found h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #1f2937;
}

.not-found p {
    color: #6b7280;
    margin-bottom: 2rem;
}

/* Footer */
.footer {
    background-color: #1f2937;
    color: #d1d5db;
    padding: 3rem 0 1rem;
}

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

.footer-section h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: white;
}

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

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

.footer-section a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 1rem;
    text-align: center;
    color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .nav-menu {
        display: none;
    }
    
    .comparison-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .pros-cons {
        grid-template-columns: 1fr;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .filters {
        flex-direction: column;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .external-links {
        flex-direction: column;
    }
    
    .external-link {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 2rem 0;
    }
    
    .page-header {
        padding: 2rem 0;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    section {
        padding: 2rem 0;
    }
    
    .comparison-detail {
        padding: 1rem;
    }
    
    .comparison-header h1 {
        font-size: 2rem;
    }
    
    .contact-form,
    .contact-info {
        padding: 1.5rem;
    }
}