/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --border-color: #e5e7eb;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --success: #10b981;
    --warning: #f59e0b;
    --gold: #fbbf24;
    --silver: #9ca3af;
    --bronze: #d97706;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

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

/* Header & Navigation */
header {
    background: var(--bg-white);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

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

.nav-brand h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
}

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

.hero h1 {
    font-size: 2.75rem;
    margin-bottom: 1rem;
    font-weight: 800;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin: 2rem 0;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* Buttons */
.cta-button,
.cta-button-large {
    display: inline-block;
    background: white;
    color: var(--primary-dark);
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.cta-button-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.2rem;
}

.cta-button:hover,
.cta-button-large:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: background 0.3s;
}

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-secondary {
    background: white;
    color: var(--primary-color);
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    border: 2px solid var(--primary-color);
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    border: 2px solid var(--primary-color);
    display: inline-block;
    transition: all 0.3s;
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

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

.symptoms-section h2 {
    text-align: center;
    font-size: 2.25rem;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

.symptoms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.symptom-card {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.2s, box-shadow 0.2s;
}

.symptom-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.symptom-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.symptom-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.symptoms-note {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-dark);
    font-weight: 500;
    margin-top: 2rem;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

/* Comparison Section */
.comparison-section {
    padding: 4rem 0;
}

.comparison-section h2 {
    text-align: center;
    font-size: 2.25rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-intro {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 3rem;
}

.comparison-table-wrapper {
    overflow-x: auto;
    margin-bottom: 2rem;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    border-radius: 8px;
    overflow: hidden;
}

.comparison-table thead {
    background: var(--primary-color);
    color: white;
}

.comparison-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.95rem;
}

.comparison-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table tbody tr:hover {
    background: var(--bg-light);
}

.winner-row {
    background: #fef3c7 !important;
}

.winner-row:hover {
    background: #fde68a !important;
}

.rank-badge {
    display: inline-block;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--text-light);
    color: white;
    text-align: center;
    line-height: 32px;
    font-weight: 700;
}

.rank-badge.gold {
    background: var(--gold);
}

.rank-badge.silver {
    background: var(--silver);
}

.rank-badge.bronze {
    background: var(--bronze);
}

.product-name {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.product-image {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    object-fit: cover;
}

.study-link {
    color: var(--primary-color);
    text-decoration: underline;
    font-weight: 600;
}

.study-link:hover {
    color: var(--primary-dark);
}

.badge.great-choice {
    background: var(--secondary-color);
    color: white;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    width: fit-content;
}

.badge.best-overall {
    background: var(--gold);
    color: white;
}

.badge.premium {
    background: var(--primary-color);
    color: white;
}

.badge.otc-choice {
    background: var(--secondary-color);
    color: white;
}

.type-badge {
    padding: 0.375rem 0.75rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
}

.type-badge.prescription {
    background: #dbeafe;
    color: #1e40af;
}

.type-badge.otc {
    background: #d1fae5;
    color: #065f46;
}

.price {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-color);
}

.rating {
    color: var(--gold);
    font-size: 1.1rem;
}

.see-all {
    text-align: center;
    margin-top: 2rem;
}

/* Why Winner Section */
.why-winner {
    padding: 4rem 0;
    background: var(--bg-light);
}

.why-winner h2 {
    text-align: center;
    font-size: 2.25rem;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

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

.winner-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    text-align: center;
}

.winner-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.winner-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.winner-card p {
    color: var(--text-light);
    line-height: 1.7;
}

.cta-center {
    text-align: center;
}

/* Prescription vs OTC Section */
.prescription-vs-otc {
    padding: 4rem 0;
}

.prescription-vs-otc h2 {
    text-align: center;
    font-size: 2.25rem;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

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

.comparison-column {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.prescription-column {
    border-top: 4px solid var(--primary-color);
}

.otc-column {
    border-top: 4px solid var(--secondary-color);
}

.comparison-column h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.benefit-list {
    list-style: none;
    margin-bottom: 1.5rem;
}

.benefit-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-light);
}

.benefit-list li:last-child {
    border-bottom: none;
}

.recommendation {
    background: var(--bg-light);
    padding: 1rem;
    border-radius: 6px;
    font-size: 0.95rem;
}

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

.faq-section h2 {
    text-align: center;
    font-size: 2.25rem;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.faq-item {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.faq-item h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.15rem;
}

.faq-item p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Final CTA Section */
.final-cta {
    padding: 4rem 0;
    background: var(--primary-color);
    color: white;
    text-align: center;
}

.final-cta h2 {
    font-size: 2.25rem;
    margin-bottom: 1rem;
}

.final-cta p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

/* Footer */
footer {
    background: var(--text-dark);
    color: white;
    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 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

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

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

.footer-section a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.2);
    padding-top: 2rem;
    text-align: center;
}

.disclaimer,
.medical-disclaimer {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 1rem;
    line-height: 1.6;
}

/* Detail Page Styles */
.detail-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 3rem 0;
}

.detail-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.product-badges {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.detail-content {
    padding: 3rem 0;
}

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

.main-content h2 {
    color: var(--text-dark);
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 1.75rem;
}

.main-content h3 {
    color: var(--primary-color);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    font-size: 1.35rem;
}

.main-content p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1rem;
}

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

.main-content li {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 0.5rem;
}

.sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.sidebar-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.sidebar-card h3 {
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.price-display {
    font-size: 2.5rem;
    color: var(--primary-color);
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.price-note {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.info-list {
    list-style: none;
    margin-bottom: 1.5rem;
}

.info-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
}

.info-list li:last-child {
    border-bottom: none;
}

.info-label {
    font-weight: 600;
    color: var(--text-dark);
}

.info-value {
    color: var(--text-light);
}

.pros-cons {
    margin: 2rem 0;
}

.pros,
.cons {
    margin-bottom: 2rem;
}

.pros h3 {
    color: var(--success);
}

.cons h3 {
    color: #ef4444;
}

.clinical-data {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 8px;
    margin: 2rem 0;
}

.data-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.data-stat {
    text-align: center;
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
}

.data-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.5rem;
}

.data-label {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 1rem;
        display: none;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .comparison-table {
        font-size: 0.85rem;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 0.5rem;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        position: static;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
}

/* Print Styles */
@media print {
    header,
    footer,
    .cta-button,
    .cta-button-large,
    .btn-primary,
    .btn-secondary {
        display: none;
    }
}
/* Logo Styles */
.nav-brand {
    display: flex;
    align-items: center;
}

.logo-link {
    display: block;
    text-decoration: none;
    line-height: 0;
}

.site-logo {
    height: 45px;
    width: auto;
    display: block;
    transition: opacity 0.3s ease;
}

.site-logo:hover {
    opacity: 0.85;
}