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

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

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

/* Utility Classes */
.hidden {
    display: none !important;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 4px;
    text-decoration: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: #007bff;
    color: white;
}

.btn-primary:hover {
    background-color: #0056b3;
}

.btn-secondary {
    background-color: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background-color: #545b62;
}

/* Header */
.header {
    background-color: #fff;
    border-bottom: 1px solid #e9ecef;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.brand-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: #007bff;
}

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

.nav-link {
    text-decoration: none;
    color: #666;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
    color: #007bff;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 4rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #212529;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* Page Header */
.page-header {
    background-color: #f8f9fa;
    padding: 3rem 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2.25rem;
    margin-bottom: 0.5rem;
    color: #212529;
}

.page-header p {
    font-size: 1.1rem;
    color: #666;
}

/* Comparison Grid */
.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.comparison-card {
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 1.5rem;
    transition: box-shadow 0.2s ease;
}

.comparison-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

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

.comparison-card h3 {
    margin-bottom: 0.5rem;
    color: #212529;
}

.comparison-card .category {
    display: inline-block;
    background-color: #e9ecef;
    color: #666;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.comparison-card p {
    color: #666;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.comparison-card .btn {
    width: 100%;
}

/* Filters */
.filters {
    background-color: #f8f9fa;
    padding: 2rem 0;
}

.filter-controls {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.search-input,
.category-filter {
    padding: 0.75rem;
    border: 1px solid #ced4da;
    border-radius: 4px;
    font-size: 1rem;
}

.search-input {
    flex: 1;
    min-width: 200px;
}

.category-filter {
    min-width: 150px;
}

/* Comparison Detail */
.comparison-detail {
    padding: 2rem 0;
}

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

.detail-header img {
    width: 64px;
    height: 64px;
    margin-bottom: 1rem;
}

.detail-header h1 {
    margin-bottom: 0.5rem;
    color: #212529;
}

.detail-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.detail-main h2 {
    margin-bottom: 1rem;
    color: #212529;
    border-bottom: 2px solid #e9ecef;
    padding-bottom: 0.5rem;
}

.detail-main h3 {
    margin: 1.5rem 0 0.75rem 0;
    color: #495057;
}

.detail-main ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.detail-main li {
    margin-bottom: 0.5rem;
}

.detail-sidebar {
    background-color: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    height: fit-content;
}

.detail-sidebar h3 {
    margin-bottom: 1rem;
    color: #212529;
}

.detail-sidebar .sidebar-item {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #e9ecef;
}

.detail-sidebar .sidebar-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.detail-sidebar h4 {
    margin-bottom: 0.5rem;
    color: #495057;
}

.external-links a {
    display: block;
    margin-bottom: 0.5rem;
    color: #007bff;
    text-decoration: none;
}

.external-links a:hover {
    text-decoration: underline;
}

/* Content Layouts */
.content {
    padding: 2rem 0;
}

.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

.content-main h2 {
    margin-bottom: 1rem;
    color: #212529;
}

.content-main h3 {
    margin: 1.5rem 0 0.75rem 0;
    color: #495057;
}

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

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

.content-sidebar {
    height: fit-content;
}

.sidebar-box {
    background-color: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.sidebar-box h4 {
    margin-bottom: 0.75rem;
    color: #212529;
}

.sidebar-box ul {
    list-style: none;
    margin: 0;
}

.sidebar-box li {
    margin-bottom: 0.25rem;
}

/* Contact Form */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-form {
    max-width: 500px;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #212529;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ced4da;
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

.contact-info h3 {
    margin: 1.5rem 0 0.75rem 0;
    color: #212529;
}

.contact-info h3:first-child {
    margin-top: 0;
}

.contact-info a {
    color: #007bff;
    text-decoration: none;
}

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

.contact-note {
    background-color: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 2rem;
}

.contact-note h4 {
    margin-bottom: 0.75rem;
    color: #212529;
}

/* Legal Content */
.legal-content {
    max-width: 800px;
    margin: 0 auto;
}

.legal-content h2 {
    margin: 2rem 0 1rem 0;
    color: #212529;
    border-bottom: 2px solid #e9ecef;
    padding-bottom: 0.5rem;
}

.legal-content h2:first-child {
    margin-top: 0;
}

.legal-content h3 {
    margin: 1.5rem 0 0.75rem 0;
    color: #495057;
}

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

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

.legal-content a {
    color: #007bff;
    text-decoration: none;
}

.legal-content a:hover {
    text-decoration: underline;
}

/* Disclosure */
.disclosure {
    background-color: #f8f9fa;
    padding: 2rem 0;
}

.disclosure-box {
    background-color: white;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
}

/* Cookie Notice */
.cookie-notice {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #212529;
    color: white;
    padding: 1rem 0;
    z-index: 1000;
}

.cookie-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.cookie-content p {
    margin: 0;
    flex: 1;
    margin-right: 1rem;
}

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

.not-found h1 {
    margin-bottom: 1rem;
    color: #212529;
}

.not-found p {
    margin-bottom: 2rem;
    color: #666;
}

/* Footer */
.footer {
    background-color: #212529;
    color: white;
    padding: 3rem 0 1rem 0;
    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: white;
}

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

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

.footer-section a {
    color: #adb5bd;
    text-decoration: none;
    transition: color 0.2s ease;
}

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

.footer-bottom {
    border-top: 1px solid #495057;
    padding-top: 1rem;
    text-align: center;
    color: #adb5bd;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-menu {
        gap: 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .comparison-grid {
        grid-template-columns: 1fr;
    }

    .filter-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .detail-content,
    .content-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .cookie-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .cookie-content p {
        margin-right: 0;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 2rem 0;
    }

    .page-header {
        padding: 2rem 0;
    }

    .comparison-card,
    .sidebar-box {
        padding: 1rem;
    }

    .detail-sidebar {
        padding: 1rem;
    }
}