/* Variables CSS para fácil personalización */
:root {
    /* Colores principales */
    --primary-blue: #1a4c9e;
    --secondary-blue: #3498db;
    --primary-blue-dark: #102040;
    --accent-red: #FF0033;
    --success-green: #27ae60;
    --warning-orange: #f39c12;
    --info-cyan: #17a2b8;
    
    /* Colores de fondo */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-light: #e9ecef;
    --bg-dark: #343a40;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    
    /* Colores de texto */
    --text-primary: #2c3e50;
    --text-secondary: #6c757d;
    --text-muted: #adb5bd;
    --text-white: #ffffff;
    --text-dark: #212529;
    
    /* Espaciado */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Bordes */
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --border-radius-xxl: 1.5rem;
    
    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
    --shadow-hover: 0 15px 35px rgba(0, 0, 0, 0.1), 0 5px 15px rgba(0, 0, 0, 0.07);
    
    /* Transiciones */
    --transition-fast: all 0.15s ease-in-out;
    --transition-normal: all 0.3s ease-in-out;
    --transition-slow: all 0.5s ease-in-out;
    
    /* Fuentes */
    --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
}

/* Reset y estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    overflow-x: hidden;
}

/* Skip link para accesibilidad */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-blue);
    color: var(--text-white);
    padding: 8px;
    text-decoration: none;
    border-radius: var(--border-radius-md);
    z-index: 1000;
    transition: var(--transition-fast);
}

.skip-link:focus {
    top: 6px;
}

/* Contenedor principal */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--text-white);
    padding: var(--spacing-lg) 0;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
    pointer-events: none;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 2;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: inherit;
}

.logo {
    height: 60px;
    width: auto;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.header-text {
    display: flex;
    flex-direction: column;
}

.site-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.site-title i {
    color: #FFD700;
    animation: pulse 2s infinite;
}

.site-subtitle {
    font-size: var(--font-size-sm);
    opacity: 0.9;
    margin: 0;
    font-weight: 400;
}

.header-nav {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-white);
    text-decoration: none;
    border-radius: var(--border-radius-lg);
    transition: var(--transition-normal);
    font-weight: 500;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: var(--spacing-xxl) 0;
    position: relative;
    overflow: hidden;
    color: var(--text-white);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.1;
}

.hero-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="white" opacity="0.3"><animate attributeName="opacity" values="0.3;1;0.3" dur="3s" repeatCount="indefinite"/></circle><circle cx="80" cy="30" r="1.5" fill="white" opacity="0.4"><animate attributeName="opacity" values="0.4;0.8;0.4" dur="2s" repeatCount="indefinite"/></circle><circle cx="60" cy="70" r="1" fill="white" opacity="0.5"><animate attributeName="opacity" values="0.5;1;0.5" dur="4s" repeatCount="indefinite"/></circle></svg>');
    animation: float 6s ease-in-out infinite;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

.hero-subtitle {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: 400;
    opacity: 0.9;
    margin-top: var(--spacing-sm);
}

.hero-description {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
    line-height: 1.7;
}

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

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

.stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: #FFD700;
}

.stat-label {
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

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

.hero-pill-container {
    position: relative;
    width: 200px;
    height: 200px;
}

.hero-pill {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #FF6B6B, #4ECDC4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--text-white);
    box-shadow: var(--shadow-xl);
    animation: pillFloat 3s ease-in-out infinite;
    position: relative;
    overflow: hidden;
}

.hero-pill::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shine 4s linear infinite;
}

/* Sección de Filtros */
.filters-section {
    background: var(--bg-primary);
    padding: var(--spacing-xl) 0;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.filters-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    align-items: center;
}

.search-container {
    width: 100%;
    max-width: 500px;
}

.search-input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: var(--spacing-md);
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    z-index: 2;
}

.search-input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-xl) var(--spacing-md) 3rem;
    border: 2px solid var(--bg-light);
    border-radius: var(--border-radius-xl);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    transition: var(--transition-normal);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(26, 76, 158, 0.1), inset 0 2px 4px rgba(0, 0, 0, 0.05);
    transform: translateY(-2px);
}

.search-input::placeholder {
    color: var(--text-muted);
    font-style: italic;
}

.clear-search-btn {
    position: absolute;
    right: var(--spacing-md);
    background: var(--text-muted);
    color: var(--text-white);
    border: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: var(--font-size-xs);
}

.clear-search-btn:hover {
    background: var(--accent-red);
    transform: scale(1.1);
}

.filter-chips {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

.filter-chip {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-secondary);
    border: 2px solid var(--bg-light);
    border-radius: var(--border-radius-xl);
    cursor: pointer;
    transition: var(--transition-normal);
    font-weight: 500;
    color: var(--text-primary);
    position: relative;
    overflow: hidden;
    min-width: 120px;
    justify-content: center;
    box-shadow: var(--shadow-sm);
}

.filter-chip::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.5s;
}

.filter-chip:hover::before {
    left: 100%;
}

.filter-chip:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-blue);
}

.filter-chip.active {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--text-white);
    border-color: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.filter-chip.active:hover {
    background: linear-gradient(135deg, var(--primary-blue-dark), var(--primary-blue));
}

/* Contenido Principal */
.main-content {
    padding: var(--spacing-xl) 0;
}

.results-counter {
    background: var(--bg-primary);
    border: 2px solid var(--bg-light);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    text-align: center;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.results-counter:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.results-counter i {
    color: var(--primary-blue);
    font-size: var(--font-size-lg);
}

.results-counter strong {
    color: var(--primary-blue);
}

/* Grid de Píldoras */
.pildoras-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.pildora-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition-normal);
    position: relative;
    display: flex;
    flex-direction: column;
}

.pildora-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.pildora-thumbnail {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.thumbnail-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.pildora-card:hover .thumbnail-image {
    transform: scale(1.05);
}

.thumbnail-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
}

.pildora-card:hover .thumbnail-overlay {
    opacity: 1;
}

.play-button {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    color: var(--primary-blue);
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

.play-button:hover {
    background: var(--text-white);
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

.video-duration {
    position: absolute;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    background: rgba(0, 0, 0, 0.8);
    color: var(--text-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.categoria-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    color: var(--text-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-xl);
    font-size: var(--font-size-sm);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    box-shadow: var(--shadow-md);
}

.pildora-content {
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.pildora-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    line-height: 1.3;
}

.pildora-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
    flex: 1;
}

.pildora-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.meta-item i {
    color: var(--primary-blue);
}

.pildora-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
}

.tag {
    background: var(--bg-light);
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-xs);
    font-weight: 500;
    transition: var(--transition-fast);
}

.tag:hover {
    background: var(--primary-blue);
    color: var(--text-white);
}

.pildora-actions {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--bg-light);
}

.action-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
    font-size: var(--font-size-sm);
    justify-content: center;
}

.action-btn.primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--text-white);
    flex: 1;
}

.action-btn.primary:hover {
    background: linear-gradient(135deg, var(--primary-blue-dark), var(--primary-blue));
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.action-btn.secondary {
    background: var(--bg-light);
    color: var(--text-secondary);
    min-width: 48px;
}

.action-btn.secondary:hover {
    background: var(--primary-blue);
    color: var(--text-white);
    transform: translateY(-2px);
}

/* Sin resultados */
.no-results {
    text-align: center;
    padding: var(--spacing-xxl) var(--spacing-lg);
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-radius: var(--border-radius-xl);
    margin: var(--spacing-lg) 0;
    border: 2px dashed var(--bg-light);
}

.no-results-content {
    max-width: 400px;
    margin: 0 auto;
}

.no-results-content i {
    font-size: 4rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
    opacity: 0.6;
}

.no-results-content h3 {
    color: var(--text-primary);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.no-results-content p {
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.btn-clear-filters {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--text-white);
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    font-size: var(--font-size-base);
    cursor: pointer;
    transition: var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-md);
}

.btn-clear-filters:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    background: linear-gradient(135deg, var(--primary-blue-dark), var(--primary-blue));
}

/* Modales */
.video-modal,
.share-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.video-modal.active,
.share-modal.active {
    display: flex;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    position: relative;
    z-index: 2;
    max-width: 90vw;
    max-height: 90vh;
    overflow: hidden;
    animation: modalSlideIn 0.3s ease-out;
}

.video-modal .modal-content {
    width: 100%;
    max-width: 1000px;
}

.share-modal .modal-content {
    width: 100%;
    max-width: 500px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--bg-light);
}

.modal-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-md);
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-light);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
}

.video-container {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: var(--border-radius-lg);
}

.share-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-md);
}

.share-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    text-decoration: none;
    color: var(--text-white);
    font-weight: 600;
    transition: var(--transition-normal);
    border: none;
    cursor: pointer;
    font-size: var(--font-size-sm);
}

.share-option i {
    font-size: var(--font-size-2xl);
}

.share-option.whatsapp {
    background: linear-gradient(135deg, #25D366, #128C7E);
}

.share-option.facebook {
    background: linear-gradient(135deg, #1877F2, #42A5F5);
}

.share-option.twitter {
    background: linear-gradient(135deg, #1DA1F2, #0D8BD9);
}

.share-option.telegram {
    background: linear-gradient(135deg, #0088CC, #005F8C);
}

.share-option.copy {
    background: linear-gradient(135deg, var(--text-secondary), var(--text-muted));
}

.share-option:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* Footer */
.footer {
    background: var(--primary-blue-dark);
    color: var(--text-white);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
    margin-top: var(--spacing-xxl);
}

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

.footer-section h5 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: #FFD700;
}

.footer-section p {
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
}

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

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

.footer-section ul li a {
    color: var(--text-white);
    text-decoration: none;
    opacity: 0.9;
    transition: var(--transition-fast);
}

.footer-section ul li a:hover {
    opacity: 1;
    color: #FFD700;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    opacity: 0.8;
}

/* Animaciones */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

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

@keyframes pillFloat {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-10px) rotate(5deg);
    }
}

@keyframes shine {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .header-content {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .filters-container {
        gap: var(--spacing-md);
    }
    
    .filter-chips {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-chip {
        width: 100%;
        max-width: 280px;
    }
    
    .pildoras-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .pildora-actions {
        flex-direction: column;
    }
    
    .action-btn.secondary {
        min-width: auto;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .modal-content {
        margin: var(--spacing-md);
        max-width: calc(100vw - 2rem);
        max-height: calc(100vh - 2rem);
    }
    
    .share-options {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .hero {
        padding: var(--spacing-xl) 0;
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero-pill-container {
        width: 150px;
        height: 150px;
    }
    
    .hero-pill {
        font-size: 3rem;
    }
    
    .search-input {
        font-size: 16px; /* Evita zoom en iOS */
    }
    
    .pildora-card {
        margin: 0 var(--spacing-sm);
    }
    
    .play-button {
        width: 60px;
        height: 60px;
        font-size: var(--font-size-xl);
    }
}

/* Modo de alto contraste */
@media (prefers-contrast: high) {
    .filter-chip {
        border-width: 3px;
        font-weight: 700;
    }
    
    .filter-chip.active {
        background: var(--text-primary);
        color: var(--bg-primary);
    }
}

/* Modo de movimiento reducido */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .hero-particles,
    .hero-pill::before {
        animation: none;
    }
}

/* Modo oscuro */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #1a1a1a;
        --bg-secondary: #2d2d2d;
        --bg-light: #404040;
        --text-primary: #ffffff;
        --text-secondary: #cccccc;
        --text-muted: #999999;
    }
}

/* Impresión */
@media print {
    .header-nav,
    .filters-section,
    .pildora-actions,
    .footer {
        display: none !important;
    }
    
    .pildora-card {
        break-inside: avoid;
        border: 1px solid #000;
        margin-bottom: 1rem;
    }
    
    .hero {
        background: none !important;
        color: #000 !important;
    }
}