/* assets/css/style.css */

:root {
    --primary: #0f766e;
    --primary-dark: #134e4a;
    --primary-light: #14b8a6;
    --secondary: #059669;
    --accent: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --success: #22c55e;
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --border: #334155;
    --shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, var(--bg-dark) 0%, #1a1f2e 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

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

/* Header */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 3rem;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo .highlight {
    color: var(--primary-light);
    font-weight: 300;
}

.tagline {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.main-nav {
    display: flex;
    gap: 2rem;
}

.main-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

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

.main-nav a.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-light);
}

/* Hero Section / Verificador */
.hero-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 60vh;
    padding: 2rem 0;
}

.verificador-container {
    width: 100%;
    max-width: 600px;
}

.verificador-card {
    background: var(--bg-card);
    border-radius: 24px;
    padding: 3rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    text-align: center;
}

.icon-shield {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.verificador-card h2 {
    font-size: 1.875rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.subtitle {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* Formulario */
.verify-form {
    margin-bottom: 1.5rem;
}

.input-group {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.input-group input {
    flex: 1;
    padding: 1rem 1.5rem;
    border: 2px solid var(--border);
    border-radius: 12px;
    background: var(--bg-dark);
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: border-color 0.3s;
}

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

.input-group input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-verify {
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border: none;
    border-radius: 12px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    white-space: nowrap;
}

.btn-verify:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px rgba(20, 184, 166, 0.3);
}

.btn-verify:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Alertas */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error);
    color: var(--error);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid var(--warning);
    color: var(--warning);
}

.attempts-warning {
    color: var(--warning);
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

/* Resultado verificación */
.resultado-verificacion {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.producto-info {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    text-align: left;
    background: rgba(255,255,255,0.03);
    padding: 1.5rem;
    border-radius: 16px;
}

.producto-img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 12px;
}

.producto-details h3 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.badge-autentico {
    display: inline-block;
    background: var(--success);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.verify-date {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Info seguridad */
.security-info {
    margin-top: 3rem;
    text-align: center;
    color: var(--text-secondary);
}

.security-info h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.security-info ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem 2rem;
}

.security-info li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

/* Catálogo */
.catalogo-section {
    padding: 2rem 0 4rem;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.filtros {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.filter-btn {
    padding: 0.5rem 1.25rem;
    border-radius: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

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

.producto-card {
    background: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: transform 0.3s, box-shadow 0.3s;
}

.producto-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.producto-imagen {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.producto-imagen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.producto-card:hover .producto-imagen img {
    transform: scale(1.05);
}

.producto-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 118, 110, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.producto-card:hover .producto-overlay {
    opacity: 1;
}

.btn-view {
    padding: 0.75rem 1.5rem;
    background: white;
    color: var(--primary);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transform: translateY(10px);
    transition: transform 0.3s;
}

.producto-card:hover .btn-view {
    transform: translateY(0);
}

.producto-info {
    padding: 1.5rem;
}

.categoria-tag {
    display: inline-block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--primary-light);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.producto-info h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.descripcion-corta {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.codigo-ref {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-family: monospace;
}

/* Ficha Producto Detalle */
.ficha-producto {
    padding: 2rem 0 4rem;
}

.breadcrumbs {
    margin-bottom: 2rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

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

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

.producto-detalle {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
    background: var(--bg-card);
    padding: 3rem;
    border-radius: 24px;
    border: 1px solid var(--border);
}

.producto-galeria {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.imagen-principal {
    border-radius: 16px;
    overflow: hidden;
    background: var(--bg-dark);
    aspect-ratio: 1;
}

.imagen-principal img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumbnails {
    display: flex;
    gap: 0.75rem;
}

.thumbnails img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color 0.3s;
}

.thumbnails img:hover {
    border-color: var(--primary-light);
}

.producto-info-detallada {
    display: flex;
    flex-direction: column;
}

.categoria-badge {
    display: inline-block;
    background: rgba(20, 184, 166, 0.1);
    color: var(--primary-light);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    width: fit-content;
    margin-bottom: 1rem;
}

.producto-info-detallada h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.codigo-producto {
    color: var(--text-secondary);
    font-family: monospace;
    margin-bottom: 2rem;
}

.descripcion-completa {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
    font-size: 1.125rem;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: var(--bg-dark);
    border: 2px solid var(--border);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.3s;
    width: fit-content;
}

.btn-download:hover {
    border-color: var(--primary-light);
    background: rgba(20, 184, 166, 0.1);
}

/* Secciones Técnicas */
.secciones-tecnicas {
    display: grid;
    gap: 2rem;
    margin-bottom: 4rem;
}

.tech-section {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border);
}

.tech-section h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--primary-light);
}

.content-box {
    color: var(--text-secondary);
    line-height: 1.8;
}

.warning-box {
    background: rgba(245, 158, 11, 0.05);
    border-left: 4px solid var(--warning);
    padding-left: 1.5rem;
}

/* CTA Verificación */
.verificacion-cta {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    padding: 3rem;
    border-radius: 24px;
    text-align: center;
    color: white;
}

.verificacion-cta h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.verificacion-cta p {
    opacity: 0.9;
    margin-bottom: 1.5rem;
}

.btn-primary {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: white;
    color: var(--primary);
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    transition: transform 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
}

/* Footer */
.main-footer {
    text-align: center;
    padding: 3rem 0;
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.privacy-note {
    margin-top: 0.5rem;
    font-size: 0.75rem;
    opacity: 0.7;
}

/* Responsive */
@media (max-width: 768px) {
    .main-header {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
    
    .main-nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .verificador-card {
        padding: 2rem 1.5rem;
    }
    
    .input-group {
        flex-direction: column;
    }
    
    .producto-detalle {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 1.5rem;
    }
    
    .productos-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 1.875rem;
    }
    
    .producto-info {
        flex-direction: column;
        text-align: center;
    }
}