/* CSS Compartido para AS Dermatología - Sistema de Contenidos */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-overflow-scrolling: touch;
}

html {
    overflow-x: hidden;
}

:root {
    --primary: #a88174;
    --secondary: #ddc1b6;
    --dark: #3b3b3b;
    --white: #ffffff;
    --light-bg: #faf8f7;
    --text-dark: #2c2c2c;
    --text-muted: #666666;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
    background: var(--white);
    margin: 0 auto;
    max-width: 100vw;
    width: 100%;
    position: relative;
}

/* Header común */
.header {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    padding: 2rem 0;
    text-align: center;
    color: var(--white);
    position: relative;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255,255,255,0.1) 0%, transparent 50%);
    pointer-events: none;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 10;
}

.site-title {
    font-size: 2rem;
    font-weight: 300;
    margin-bottom: 0.5rem;
    letter-spacing: 2px;
    text-transform: none;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 400;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.page-subtitle {
    font-size: 1.2rem;
    font-weight: 300;
    opacity: 0.9;
    max-width: 800px;
    margin: 0 auto;
}

/* Contenido principal */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.content-section {
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.intro-text {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

/* Grid de estudios/artículos */
.studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.study-card {
    background: var(--light-bg);
    border-radius: 15px;
    padding: 2rem;
    border-left: 4px solid var(--primary);
    transition: all 0.3s ease;
    position: relative;
}

.study-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(168, 129, 116, 0.1);
    border-left-color: var(--secondary);
}

.study-number {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--primary);
    color: var(--white);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: 600;
}

.study-title {
    font-size: 1.3rem;
    color: var(--dark);
    margin-bottom: 0.5rem;
    font-weight: 500;
    line-height: 1.3;
}

.study-subtitle {
    font-size: 1rem;
    color: var(--primary);
    margin-bottom: 1rem;
    font-weight: 400;
}

.study-excerpt {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.study-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: italic;
    margin-bottom: 1rem;
}

.study-citation {
    background: rgba(168, 129, 116, 0.1);
    padding: 0.75rem;
    border-left: 3px solid var(--primary);
    font-size: 0.9rem;
    color: var(--text-dark);
    font-style: italic;
    margin: 1rem 0;
    border-radius: 0 8px 8px 0;
}

.read-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary);
    color: var(--white);
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 0.9rem;
}

.read-more-btn:hover {
    background: var(--secondary);
    transform: translateX(5px);
}

/* Artículo completo */
.article-content {
    max-width: 800px;
    margin: 0 auto;
}

.article-meta {
    background: var(--light-bg);
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 3rem;
    border-left: 4px solid var(--primary);
}

.meta-row {
    display: flex;
    margin-bottom: 0.5rem;
    align-items: flex-start;
    gap: 1rem;
}

.meta-label {
    font-weight: 600;
    color: var(--primary);
    min-width: 120px;
}

.meta-value {
    color: var(--text-dark);
    flex: 1;
}

.article-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-dark);
}

.article-text h2 {
    color: var(--primary);
    font-size: 1.8rem;
    margin: 2.5rem 0 1.5rem 0;
    font-weight: 500;
}

.article-text h3 {
    color: var(--dark);
    font-size: 1.4rem;
    margin: 2rem 0 1rem 0;
    font-weight: 500;
}

.article-text p {
    margin-bottom: 1.5rem;
}

.article-text ul, .article-text ol {
    margin: 1.5rem 0;
    padding-left: 2rem;
}

.article-text li {
    margin-bottom: 0.5rem;
}

.highlight-box {
    background: linear-gradient(135deg, var(--secondary), var(--primary));
    color: var(--white);
    padding: 2rem;
    border-radius: 15px;
    margin: 2rem 0;
    position: relative;
}

.highlight-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 80% 20%, rgba(255,255,255,0.1) 0%, transparent 50%);
    border-radius: 15px;
    pointer-events: none;
}

.highlight-title {
    font-size: 1.3rem;
    font-weight: 500;
    margin-bottom: 1rem;
    position: relative;
    z-index: 10;
}

.highlight-content {
    position: relative;
    z-index: 10;
    font-size: 1.05rem;
    line-height: 1.6;
}

/* Navegación entre artículos */
.article-nav {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 15px;
    margin: 3rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary);
    color: var(--white);
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.nav-btn:hover {
    background: var(--secondary);
    transform: translateY(-2px);
}

.nav-btn.prev::before {
    content: '←';
    margin-right: 0.5rem;
}

.nav-btn.next::after {
    content: '→';
    margin-left: 0.5rem;
}

/* Botón flotante Consultar */
.floating-schedule-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: var(--white);
    padding: 1rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3);
    transition: all 0.3s ease;
    z-index: 1000;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.floating-schedule-btn:hover {
    background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
    transform: scale(1.05) translateY(-2px);
    box-shadow: 0 8px 35px rgba(37, 99, 235, 0.4);
    border-color: rgba(255, 255, 255, 0.3);
}

.floating-schedule-btn .btn-icon {
    font-size: 1.2rem;
}

/* Botón flotante para profesionales */
.floating-professionals-btn {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    color: var(--white);
    padding: 1rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 20px rgba(168, 129, 116, 0.3);
    transition: all 0.3s ease;
    z-index: 1000;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.floating-professionals-btn:hover {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    transform: scale(1.05);
    box-shadow: 0 6px 30px rgba(168, 129, 116, 0.4);
}

.floating-professionals-btn .btn-icon {
    font-size: 1.2rem;
}

/* Footer */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 3rem 2rem 2rem 2rem;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-brand {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 0.5rem;
    letter-spacing: 2px;
    text-transform: none;
}

.footer-subtitle {
    font-size: 1rem;
    font-weight: 300;
    margin-bottom: 2rem;
    opacity: 0.8;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.footer-link {
    color: var(--secondary);
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 300;
}

.footer-link:hover {
    color: var(--white);
}

/* Footer para páginas de contenido con link a Hub */
.footer-links-content {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.footer-links-content .hub-link {
    background: var(--primary);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.footer-links-content .hub-link:hover {
    background: var(--secondary);
    transform: translateY(-2px);
}

/* Mantener compatibilidad con botox-link */
.footer-links-content .botox-link {
    background: var(--primary);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.footer-links-content .botox-link:hover {
    background: var(--secondary);
    transform: translateY(-2px);
}

/* Página Hub específica */
.hub-intro {
    text-align: center;
    margin-bottom: 4rem;
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 20px;
}

.hub-title {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1rem;
    font-weight: 400;
}

.hub-subtitle {
    font-size: 1.3rem;
    color: var(--text-muted);
    max-width: 800px;
    margin: 0 auto 2rem auto;
    line-height: 1.6;
}

.evidence-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary);
    color: var(--white);
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-weight: 500;
    font-size: 0.95rem;
}

.evidence-icon {
    font-size: 1.1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header {
        padding: 1.5rem 0;
    }
    
    .site-title {
        font-size: 1.5rem;
    }
    
    .page-title {
        font-size: 1.8rem;
    }
    
    .page-subtitle {
        font-size: 1rem;
    }
    
    .main-content {
        padding: 2rem 1rem;
    }
    
    .studies-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .study-card {
        padding: 1.5rem;
    }
    
    .study-title {
        font-size: 1.1rem;
    }
    
    .hub-title {
        font-size: 2rem;
    }
    
    .hub-subtitle {
        font-size: 1.1rem;
    }
    
    .article-nav {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
    
    .floating-schedule-btn {
        bottom: 15px;
        right: 15px;
        padding: 0.8rem 1.2rem;
        font-size: 0.9rem;
    }
    
    .floating-professionals-btn {
        bottom: 15px;
        left: 15px;
        padding: 0.8rem 1.2rem;
        font-size: 0.9rem;
    }
    
    .meta-row {
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .meta-label {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .header-content {
        padding: 0 1rem;
    }
    
    .main-content {
        padding: 1.5rem 0.5rem;
    }
    
    .study-card {
        padding: 1rem;
    }
    
    .article-text {
        font-size: 1rem;
    }
    
    .article-text h2 {
        font-size: 1.5rem;
    }
    
    .article-text h3 {
        font-size: 1.2rem;
    }
}