/* ===================================
   VARIABLES CSS - TEMA CLARO Y OSCURO
   =================================== */

:root {
    /* Colores Modo Claro */
    --bg-color: #ffffff;
    --bg-secondary: #f8f9fa;
    --text-color: #2d3748;
    --text-secondary: #4a5568;
    --border-color: #e2e8f0;
    
    /* Gradientes Modo Claro */
    --gradient-1-start: #667eea;
    --gradient-1-end: #764ba2;
    --gradient-2-start: #f093fb;
    --gradient-2-end: #f5576c;
    --gradient-3-start: #4facfe;
    --gradient-3-end: #00f2fe;
    --gradient-4-start: #43e97b;
    --gradient-4-end: #38f9d7;
    
    /* Colores de acento */
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    
    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    
    /* Tipografía */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Partículas */
    --particle-color: rgba(102, 126, 234, 0.6);
}

/* Modo Oscuro */
body.dark-mode {
    --bg-color: #1a202c;
    --bg-secondary: #2d3748;
    --text-color: #f7fafc;
    --text-secondary: #e2e8f0;
    --border-color: #4a5568;
    
    /* Gradientes más vibrantes para modo oscuro */
    --gradient-1-start: #7c3aed;
    --gradient-1-end: #a855f7;
    --gradient-2-start: #ec4899;
    --gradient-2-end: #f43f5e;
    --gradient-3-start: #06b6d4;
    --gradient-3-end: #3b82f6;
    --gradient-4-start: #10b981;
    --gradient-4-end: #14b8a6;
    
    --primary-color: #7c3aed;
    --secondary-color: #a855f7;
    --accent-color: #ec4899;
    
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.6);
    
    --particle-color: rgba(124, 58, 237, 0.8);
}

/* ===================================
   RESET Y BASE
   =================================== */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color var(--transition-normal), color var(--transition-normal);
    overflow-x: hidden;
    position: relative;
}

/* Canvas de partículas */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

/* Asegurar que el contenido esté por encima del canvas */
header, main, footer {
    position: relative;
    z-index: 2;
}

/* ===================================
   GRADIENTES SVG
   =================================== */

.gradient-stop-1 {
    stop-color: var(--gradient-1-start);
}

.gradient-stop-2 {
    stop-color: var(--gradient-1-end);
}

.gradient-stop-3 {
    stop-color: var(--gradient-3-start);
}

.gradient-stop-4 {
    stop-color: var(--gradient-3-end);
}

/* ===================================
   HEADER Y NAVEGACIÓN
   =================================== */

header {
    background-color: var(--bg-color);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: background-color var(--transition-normal);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-with-search {
    display: grid;
    grid-template-columns: auto 1fr auto auto;
    gap: var(--spacing-lg);
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.logo-text {
    font-family: var(--font-display);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-menu a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--gradient-1-start), var(--gradient-1-end));
    transition: width var(--transition-normal);
}

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

.nav-menu a:hover::after {
    width: 100%;
}

/* Theme Toggle Button */
#theme-toggle {
    background: none;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    width: 45px;
    height: 45px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
    position: relative;
}

#theme-toggle:hover {
    border-color: var(--primary-color);
    transform: rotate(15deg);
}

.sun-icon,
.moon-icon {
    position: absolute;
    transition: opacity var(--transition-normal), transform var(--transition-normal);
}

body:not(.dark-mode) .moon-icon {
    opacity: 0;
    transform: rotate(180deg);
}

body.dark-mode .sun-icon {
    opacity: 0;
    transform: rotate(-180deg);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    transition: all var(--transition-normal);
}

/* Ad Banner Top */
.ad-banner-top {
    max-width: 1200px;
    margin: var(--spacing-sm) auto;
    text-align: center;
}

/* ===================================
   BREADCRUMB
   =================================== */

.breadcrumb {
    max-width: 1200px;
    margin: var(--spacing-md) auto;
    padding: 0 var(--spacing-md);
}

.breadcrumb ol {
    display: flex;
    list-style: none;
    gap: var(--spacing-xs);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.breadcrumb li:not(:last-child)::after {
    content: '›';
    margin-left: var(--spacing-xs);
}

.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* ===================================
   HERO SECTION
   =================================== */

.hero-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-md);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-text h1 {
    font-family: var(--font-display);
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--gradient-1-start), var(--gradient-1-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-normal);
    display: inline-block;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gradient-1-start), var(--gradient-1-end));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--gradient-2-start), var(--gradient-2-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-svg {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(var(--shadow-lg));
}

/* ===================================
   BENEFITS SECTION
   =================================== */

.benefits-section {
    max-width: 1200px;
    margin: var(--spacing-2xl) auto;
    padding: var(--spacing-2xl) var(--spacing-md);
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-color) 100%);
    border-radius: 20px;
}

.benefits-section h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--text-color);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.benefit-card {
    background: var(--bg-color);
    padding: var(--spacing-xl);
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.benefit-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.benefit-card svg {
    margin-bottom: var(--spacing-md);
}

.benefit-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
}

.benefit-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===================================
   AD SPACES
   =================================== */

.ad-space {
    /* Completamente oculto - sin espacio visible */
    display: none;
    margin: 0;
    padding: 0;
    height: 0;
    min-height: 0;
    max-height: 0;
    overflow: hidden;
}

.ad-placeholder {
    /* Oculto para usuarios pero Google lo detecta */
    display: none;
    visibility: hidden;
    opacity: 0;
    height: 0;
    overflow: hidden;
}

.ad-infeed {
    max-width: 1200px;
}

.ad-sidebar {
    position: sticky;
    top: 100px;
}

.ad-sticky-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-color);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 999;
    padding: var(--spacing-sm);
}

/* ===================================
   CATEGORIES SECTION
   =================================== */

.categories-section {
    max-width: 1200px;
    margin: var(--spacing-2xl) auto;
    padding: var(--spacing-2xl) var(--spacing-md);
}

.categories-section h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--text-color);
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.category-card {
    background: var(--bg-color);
    border-radius: 20px;
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.category-icon {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.category-card h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
}

.category-card > p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.btn-explore {
    width: 100%;
    padding: var(--spacing-sm);
    background: linear-gradient(135deg, var(--gradient-1-start), var(--gradient-1-end));
    color: white;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    margin-top: var(--spacing-md);
    display: block;
    text-align: center;
    text-decoration: none;
    font-size: 1rem;
    font-family: var(--font-primary);
    box-shadow: var(--shadow-md);
}

.btn-explore:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
    color: white;
}

.articles-container {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--border-color);
}

.article-item {
    background: var(--bg-secondary);
    padding: var(--spacing-md);
    border-radius: 10px;
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-fast);
}

.article-item:hover {
    background: var(--bg-color);
    box-shadow: var(--shadow-sm);
}

.article-item h4 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-color);
}

.article-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.article-item p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.btn-read-more {
    display: inline-block;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.btn-read-more:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* ===================================
   SIDEBAR
   =================================== */

.sidebar-ads {
    position: fixed;
    right: 20px;
    top: 150px;
    width: 300px;
}

/* ===================================
   CONTACT SECTION
   =================================== */

.contact-section {
    max-width: 1200px;
    margin: var(--spacing-2xl) auto;
    padding: var(--spacing-2xl) var(--spacing-md);
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-color) 100%);
    border-radius: 20px;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.contact-info h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-color);
}

.contact-info p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.contact-svg {
    max-width: 100%;
    height: auto;
}

.contact-form {
    background: var(--bg-color);
    padding: var(--spacing-xl);
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-family: var(--font-primary);
    font-size: 1rem;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: border-color var(--transition-fast);
}

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

.checkbox-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.checkbox-group input[type="checkbox"] {
    width: auto;
}

.checkbox-group label {
    margin-bottom: 0;
    font-weight: normal;
}

.checkbox-group a {
    color: var(--primary-color);
    text-decoration: none;
}

.checkbox-group a:hover {
    text-decoration: underline;
}

.btn-submit {
    width: 100%;
    padding: var(--spacing-md);
    font-size: 1.1rem;
}

.form-note {
    margin-top: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: center;
}

/* ===================================
   FOOTER
   =================================== */

footer {
    background: var(--bg-secondary);
    padding: var(--spacing-2xl) var(--spacing-md) var(--spacing-md);
    margin-top: var(--spacing-2xl);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: var(--spacing-md);
    color: var(--text-color);
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-color);
    border-radius: 50%;
    transition: all var(--transition-normal);
}

.social-links a:hover {
    background: linear-gradient(135deg, var(--gradient-1-start), var(--gradient-1-end));
    color: white;
    transform: translateY(-3px);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-disclaimer {
    background: var(--bg-color);
    padding: var(--spacing-md);
    border-radius: 10px;
    margin-bottom: var(--spacing-md);
    border-left: 4px solid var(--primary-color);
}

.footer-disclaimer p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.copyright {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ===================================
   ANIMACIONES
   =================================== */

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.6;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
}

@keyframes pulse-line {
    0%, 100% {
        stroke-dashoffset: 0;
    }
    50% {
        stroke-dashoffset: 10;
    }
}

.float-animation {
    animation: float 3s ease-in-out infinite;
}

.pulse-animation {
    animation: pulse 2s ease-in-out infinite;
}

.pulse-line {
    stroke-dasharray: 5;
    animation: pulse-line 1.5s linear infinite;
}

/* ===================================
   RESPONSIVE DESIGN - MOBILE FIRST
   =================================== */

@media (max-width: 1024px) {
    .sidebar-ads {
        display: none;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .benefits-section h2,
    .categories-section h2,
    .contact-info h2 {
        font-size: 2rem;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .ad-sticky-footer .ad-placeholder {
        font-size: 0.75rem;
        padding: var(--spacing-xs);
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .hero-text h1 {
        font-size: 1.75rem;
    }
    
    .nav-container {
        padding: var(--spacing-sm);
    }
    
    .hero-section,
    .benefits-section,
    .categories-section,
    .contact-section {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
}

/* ===================================
   UTILIDADES
   =================================== */

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

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

/* ===================================
   ACCESIBILIDAD
   =================================== */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Focus visible para accesibilidad */
*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ===================================
   PERFORMANCE OPTIMIZATIONS
   =================================== */

/* Lazy loading hint */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s;
}

img[loading="lazy"].loaded {
    opacity: 1;
}

/* Reduce motion para usuarios que lo prefieran */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}
.social-links{
display: none;    
}
.seguinos{
display: none;    
}
.medico-borrar{
display: none;
}

/* ===================================
   HEADER SEARCH BAR STYLES - EXPANDABLE
   =================================== */

.header-search-wrapper {
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.header-search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 25px;
    padding: 8px 12px;
    width: 45px;
    height: 45px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    overflow: hidden;
}

.header-search-input-wrapper:hover,
.header-search-input-wrapper:focus-within,
.header-search-input-wrapper.expanded {
    width: 350px;
    padding: 8px 16px;
    cursor: text;
}

.header-search-input-wrapper:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    background: var(--bg-color);
}

.search-icon {
    color: var(--text-secondary);
    margin-right: 0;
    flex-shrink: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.header-search-input-wrapper:hover .search-icon,
.header-search-input-wrapper:focus-within .search-icon,
.header-search-input-wrapper.expanded .search-icon {
    color: var(--primary-color);
    margin-right: var(--spacing-sm);
}

.header-search-input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 0.9rem;
    color: var(--text-color);
    font-family: var(--font-primary);
    outline: none;
    padding: 4px 0;
    width: 0;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.header-search-input-wrapper:hover .header-search-input,
.header-search-input-wrapper:focus-within .header-search-input,
.header-search-input-wrapper.expanded .header-search-input {
    width: 100%;
    opacity: 1;
}

.header-search-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

.search-clear {
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    margin-left: var(--spacing-xs);
    opacity: 0;
    transform: scale(0.8);
}

.header-search-input-wrapper.expanded .search-clear {
    display: flex;
    opacity: 1;
    transform: scale(1);
}

.search-clear:hover {
    background: var(--border-color);
    color: var(--text-color);
}

.search-results {
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    right: 0;
    min-width: 400px;
    background: var(--bg-color);
    border: 2px solid var(--border-color);
    border-radius: 15px;
    box-shadow: var(--shadow-xl);
    max-height: 500px;
    overflow-y: auto;
    z-index: 10000;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.search-results-header {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 2px solid var(--border-color);
    background: var(--bg-secondary);
    border-radius: 15px 15px 0 0;
    position: sticky;
    top: 0;
    z-index: 1;
}

.search-results-count {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.search-results-list {
    padding: var(--spacing-sm);
}

.search-result-item {
    padding: var(--spacing-md);
    border-radius: 10px;
    margin-bottom: var(--spacing-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
    text-decoration: none;
    display: block;
    color: inherit;
}

.search-result-item:hover {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
    transform: translateX(5px);
}

.search-result-category {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.search-result-category.ansiedad {
    background: linear-gradient(135deg, #4facfe, #00f2fe);
    color: white;
}

.search-result-category.sueno {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
}

.search-result-category.estres {
    background: linear-gradient(135deg, #fa709a, #fee140);
    color: white;
}

.search-result-category.autocuidado {
    background: linear-gradient(135deg, #43e97b, #38f9d7);
    color: white;
}

.search-result-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: var(--spacing-xs);
    line-height: 1.4;
}

.search-result-excerpt {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-xs);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.search-result-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.search-no-results {
    padding: var(--spacing-xl);
    text-align: center;
    color: var(--text-secondary);
}

.search-no-results-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.3;
}

.search-no-results-text {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
}

.search-no-results-suggestion {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Scrollbar personalizado para resultados */
.search-results::-webkit-scrollbar {
    width: 8px;
}

.search-results::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 10px;
}

.search-results::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 10px;
}

.search-results::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* Responsive para búsqueda en header */
@media (max-width: 1024px) {
    .nav-with-search {
        grid-template-columns: auto 1fr auto auto;
    }
    
    .header-search-input-wrapper:hover,
    .header-search-input-wrapper:focus-within,
    .header-search-input-wrapper.expanded {
        width: 250px;
    }
}

@media (max-width: 768px) {
    .nav-with-search {
        grid-template-columns: auto 1fr auto auto;
        gap: var(--spacing-sm);
    }
    
    .header-search-wrapper {
        display: block;
        order: 3;
    }
    
    .header-search-input-wrapper {
        width: 40px;
        height: 40px;
        padding: 6px 10px;
    }
    
    .header-search-input-wrapper:hover,
    .header-search-input-wrapper:focus-within,
    .header-search-input-wrapper.expanded {
        width: 200px;
        padding: 6px 12px;
    }
    
    .search-icon {
        width: 16px;
        height: 16px;
    }
    
    .header-search-input {
        font-size: 0.85rem;
    }
    
    .search-results {
        min-width: 280px;
        max-width: calc(100vw - 32px);
        left: auto;
        right: 0;
    }
    
    .nav-menu {
        display: none;
    }
    
    #theme-toggle {
        order: 4;
        width: 40px;
        height: 40px;
    }
    
    .search-result-item {
        padding: var(--spacing-sm);
    }
    
    .search-result-title {
        font-size: 1rem;
    }
    
    .search-result-excerpt {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .search-result-meta {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .search-results {
        min-width: 300px;
    }
}

/* Mostrar búsqueda en móvil cuando se necesite */
@media (max-width: 768px) {
    .mobile-search-toggle {
        display: flex;
        background: none;
        border: 2px solid var(--border-color);
        border-radius: 50%;
        width: 40px;
        height: 40px;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        color: var(--text-color);
        transition: all var(--transition-normal);
    }
    
    .mobile-search-toggle:hover {
        border-color: var(--primary-color);
        color: var(--primary-color);
    }
    
    .header-search-wrapper.mobile-active {
        display: block;
        position: fixed;
        top: 70px;
        left: var(--spacing-md);
        right: var(--spacing-md);
        z-index: 9999;
        max-width: none;
    }
    
    .header-search-wrapper.mobile-active .search-results {
        min-width: auto;
    }
}

/* ===================================
   BANNER PROMOCIONAL - PRODUCTO RECOMENDADO
   =================================== */

.promo-banner {
    background: linear-gradient(135deg, var(--gradient-2-start), var(--gradient-2-end));
    padding: var(--spacing-md) var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
    animation: slideInFromTop 0.6s ease-out;
}

@keyframes slideInFromTop {
    from {
        opacity: 0;
        transform: translateY(-100%);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.promo-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 3s ease-in-out infinite;
}

.promo-banner-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--spacing-lg);
    align-items: center;
    position: relative;
    z-index: 1;
}

.promo-banner-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: float 3s ease-in-out infinite;
}

.promo-banner-text {
    color: white;
}

.promo-banner-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    font-family: var(--font-display);
}

.promo-banner-subtitle {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    opacity: 0.95;
    line-height: 1.4;
}

.promo-banner-urgency {
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.15);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    width: fit-content;
}

.promo-banner-urgency strong {
    font-weight: 600;
}

#countdown-timer {
    font-weight: 700;
    font-size: 1.1rem;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: 0.5px;
    animation: pulse 2s ease-in-out infinite;
}

.promo-banner-cta {
    background: white;
    color: var(--gradient-2-start);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 50px;
    font-weight: 700;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.promo-banner-cta:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
}

.promo-banner-cta svg {
    transition: transform var(--transition-fast);
}

.promo-banner-cta:hover svg {
    transform: translateX(5px);
}

/* Responsive para banner promocional */
@media (max-width: 1024px) {
    .promo-banner-content {
        grid-template-columns: auto 1fr;
        gap: var(--spacing-md);
    }
    
    .promo-banner-cta {
        grid-column: 1 / -1;
        justify-self: center;
        margin-top: var(--spacing-sm);
    }
}

@media (max-width: 768px) {
    .promo-banner {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .promo-banner-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    .promo-banner-icon {
        justify-self: center;
    }
    
    .promo-banner-icon svg {
        width: 40px;
        height: 40px;
    }
    
    .promo-banner-title {
        font-size: 1.25rem;
    }
    
    .promo-banner-subtitle {
        font-size: 0.9rem;
    }
    
    .promo-banner-urgency {
        flex-direction: column;
        margin: 0 auto;
        text-align: center;
    }
    
    #countdown-timer {
        font-size: 1rem;
    }
    
    .promo-banner-cta {
        width: 100%;
        justify-content: center;
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .promo-banner-title {
        font-size: 1.1rem;
    }
    
    .promo-banner-subtitle {
        font-size: 0.85rem;
        line-height: 1.3;
    }
    
    .promo-banner-urgency {
        font-size: 0.85rem;
        padding: var(--spacing-xs);
    }
    
    #countdown-timer {
        font-size: 0.9rem;
    }
}