/**
 * ==============================================================================
 * TIA TIENDA - MAIN STYLESHEET
 * Corporate Dark Blue & Vibrant Light Blue / Cyan Palette
 * ==============================================================================
 */

:root {
    /* Paleta Corporativa TIA TIENDA */
    --nis-navy: #0A192F;
    --nis-navy-dark: #050D1A;
    --nis-navy-light: #172A45;
    
    /* Azul Más Claro / Cyan de Acción y Acento */
    --nis-accent: #0084FF;
    --nis-accent-hover: #0066CC;
    --nis-cyan: #00B4D8;
    --nis-sky: #38BDF8;
    --nis-blue-light: #E0F2FE;
    
    /* Acentos de Alerta & Éxito */
    --nis-orange: #0084FF;
    --nis-orange-hover: #0066CC;
    --nis-red: #EF4444;
    --nis-green: #10B981;
    --nis-yellow: #F59E0B;
    
    --bg-main: #F4F7FB;
    --bg-card: #FFFFFF;
    --bg-alt: #EBF3FA;
    
    --text-main: #0F172A;
    --text-muted: #64748B;
    --text-light: #94A3B8;
    
    --border-color: #E2E8F0;
    --border-light: #F1F5F9;
    
    --shadow-sm: 0 1px 3px rgba(10,25,47,0.06), 0 1px 2px rgba(10,25,47,0.04);
    --shadow-md: 0 4px 6px -1px rgba(10,25,47,0.08), 0 2px 4px -1px rgba(10,25,47,0.04);
    --shadow-lg: 0 10px 15px -3px rgba(10,25,47,0.1), 0 4px 6px -2px rgba(10,25,47,0.04);
    --shadow-xl: 0 20px 25px -5px rgba(10,25,47,0.12), 0 10px 10px -5px rgba(10,25,47,0.05);
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.5;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

.container {
    width: 100%;
    max-width: 1360px;
    margin: 0 auto;
    padding: 0 16px;
}

/* ==============================================================================
   HEADER & NAVIGATION (TIA TIENDA STYLE)
   ============================================================================== */

/* Top Utility Bar */
.top-bar {
    background-color: var(--nis-navy-dark);
    color: #94A3B8;
    font-size: 12.5px;
    padding: 7px 0;
    border-bottom: 1px solid rgba(0, 180, 216, 0.15);
}

.top-bar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.top-bar-left, .top-bar-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.top-bar a:hover {
    color: var(--nis-sky);
}

.top-bar i {
    margin-right: 5px;
    color: var(--nis-cyan);
}

/* Currency Toggle */
.currency-selector {
    display: inline-flex;
    align-items: center;
    background: rgba(255,255,255,0.08);
    border-radius: var(--radius-full);
    padding: 2px;
    border: 1px solid rgba(0, 180, 216, 0.2);
}

.currency-btn {
    background: transparent;
    border: none;
    color: #CBD5E1;
    font-size: 11.5px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.currency-btn.active {
    background-color: var(--nis-accent);
    color: #FFFFFF;
}

/* Main Header */
.main-header {
    background: linear-gradient(90deg, #0A192F 0%, #0F2744 100%);
    color: #FFFFFF;
    padding: 14px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-md);
    border-bottom: 2px solid var(--nis-accent);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 26px;
    font-weight: 900;
    letter-spacing: -0.5px;
    color: #FFFFFF;
}

.logo span {
    color: var(--nis-cyan);
}

.logo-badge {
    font-size: 10px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--nis-accent) 0%, var(--nis-cyan) 100%);
    color: #FFF;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Search Bar */
.search-container {
    flex: 1;
    max-width: 680px;
    position: relative;
}

.search-form {
    display: flex;
    align-items: center;
    background: #FFFFFF;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 2px solid transparent;
    transition: border-color var(--transition-fast);
}

.search-form:focus-within {
    border-color: var(--nis-cyan);
}

.category-select-header {
    background: #F8FAFC;
    border: none;
    border-right: 1px solid var(--border-color);
    padding: 10px 14px;
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 600;
    outline: none;
    cursor: pointer;
    max-width: 170px;
}

.search-input {
    flex: 1;
    border: none;
    padding: 11px 16px;
    font-size: 14px;
    color: var(--text-main);
    outline: none;
}

.search-btn {
    background: linear-gradient(135deg, var(--nis-accent) 0%, var(--nis-cyan) 100%);
    color: #FFFFFF;
    border: none;
    padding: 0 22px;
    height: 44px;
    font-size: 16px;
    cursor: pointer;
    transition: opacity var(--transition-fast);
}

.search-btn:hover {
    opacity: 0.9;
}

/* Search Results Dropdown */
.search-results-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #FFFFFF;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
    margin-top: 4px;
    display: none;
    z-index: 1000;
    max-height: 420px;
    overflow-y: auto;
}

.search-result-item {
    display: flex;
    align-items: center;
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-light);
    gap: 14px;
    transition: background-color var(--transition-fast);
}

.search-result-item:hover {
    background-color: #F0F9FF;
}

.search-result-img {
    width: 48px;
    height: 48px;
    object-fit: contain;
    border-radius: var(--radius-sm);
    background: #FFF;
    border: 1px solid var(--border-light);
    padding: 2px;
}

.search-result-info {
    flex: 1;
}

.search-result-title {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-main);
    line-height: 1.3;
}

.search-result-cat {
    font-size: 11.5px;
    color: var(--text-muted);
}

.search-result-price {
    font-weight: 700;
    color: var(--nis-navy);
    font-size: 14px;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 18px;
}

.header-action-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #FFFFFF;
    cursor: pointer;
    position: relative;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.header-action-btn:hover {
    background-color: rgba(255,255,255,0.1);
}

.action-icon-wrapper {
    position: relative;
    font-size: 22px;
    color: var(--nis-sky);
}

.action-badge {
    position: absolute;
    top: -6px;
    right: -8px;
    background: var(--nis-accent);
    color: #FFFFFF;
    font-size: 10.5px;
    font-weight: 800;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(0, 132, 255, 0.4);
}

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

.action-subtitle {
    font-size: 11px;
    color: #94A3B8;
    line-height: 1.1;
}

.action-title {
    font-size: 13px;
    font-weight: 700;
    line-height: 1.2;
}

/* Secondary Navigation Bar */
.nav-bar {
    background: #FFFFFF;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.nav-inner {
    display: flex;
    align-items: center;
    gap: 10px;
}

.categories-dropdown-btn {
    background: var(--nis-navy);
    color: #FFFFFF;
    border: none;
    padding: 12px 18px;
    font-size: 13.5px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    transition: background-color var(--transition-fast);
}

.categories-dropdown-btn:hover {
    background-color: var(--nis-navy-light);
}

.nav-links {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 4px;
    overflow-x: auto;
    scrollbar-width: none;
}

.nav-links::-webkit-scrollbar {
    display: none;
}

.nav-link {
    padding: 12px 14px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
    color: var(--nis-accent);
    border-bottom-color: var(--nis-accent);
}

.nav-link.highlight {
    color: var(--nis-cyan);
    font-weight: 700;
}

.nav-link.blog-link {
    background: #EFF6FF;
    color: var(--nis-accent);
    border-radius: var(--radius-sm);
    margin: 4px 0;
    padding: 8px 14px;
    font-weight: 700;
}

.nav-link.blog-link:hover {
    background: var(--nis-accent);
    color: #FFFFFF;
}

/* ==============================================================================
   HERO CAROUSEL & PROMOTIONS
   ============================================================================== */
.hero-section {
    padding: 20px 0 10px;
}

.hero-slider {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #0A192F;
    box-shadow: var(--shadow-lg);
    min-height: 420px;
    height: 440px;
    display: flex;
    align-items: center;
    border: 1px solid rgba(0, 180, 216, 0.2);
}

.hero-slide {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.6s ease, visibility 0.6s ease;
    display: flex;
    align-items: center;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
}

/* Capa de oscurecimiento suave solo cuando hay textos */
.hero-slide-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(10, 25, 47, 0.88) 0%, rgba(10, 25, 47, 0.65) 45%, rgba(10, 25, 47, 0.15) 100%);
    z-index: 1;
}

/* Enlace a pantalla completa si el slide es un banner sin botones */
.hero-slide-link {
    position: absolute;
    inset: 0;
    z-index: 2;
    cursor: pointer;
    text-decoration: none;
}

.hero-content {
    position: relative;
    max-width: 580px;
    color: #FFFFFF;
    z-index: 3;
    padding: 40px 60px;
}

.hero-tag {
    display: inline-block;
    color: #FFFFFF;
    font-size: 12px;
    font-weight: 800;
    padding: 4px 14px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 14px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.hero-title {
    font-size: 36px;
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 12px;
    color: #FFFFFF;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.hero-subtitle {
    font-size: 15px;
    color: #E2E8F0;
    margin-bottom: 22px;
    line-height: 1.45;
    text-shadow: 0 1px 6px rgba(0,0,0,0.4);
}

.hero-price {
    font-size: 28px;
    font-weight: 900;
    color: var(--nis-sky);
    margin-bottom: 24px;
    display: flex;
    align-items: baseline;
    gap: 12px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.5);
}

.hero-price small {
    font-size: 16px;
    font-weight: 500;
    color: #CBD5E1;
    text-decoration: line-through;
}

.hero-actions {
    display: flex;
    gap: 14px;
    position: relative;
    z-index: 4;
}
    gap: 14px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--nis-accent) 0%, #0070D8 100%);
    color: #FFFFFF;
    font-size: 14px;
    font-weight: 700;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 14px rgba(0, 132, 255, 0.35);
    transition: all var(--transition-fast);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0095FF 0%, var(--nis-accent) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 132, 255, 0.45);
}

.btn-outline {
    background: transparent;
    color: #FFFFFF;
    font-size: 14px;
    font-weight: 600;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    border: 2px solid rgba(0, 180, 216, 0.4);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition-fast);
}

.btn-outline:hover {
    border-color: var(--nis-cyan);
    background: rgba(0, 180, 216, 0.1);
    color: #FFF;
}

.hero-image-wrapper {
    max-width: 480px;
    z-index: 2;
}

.hero-image {
    max-height: 360px;
    object-fit: contain;
    filter: drop-shadow(0 15px 30px rgba(0,0,0,0.4));
}

/* Slider Controls */
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(10, 25, 47, 0.6);
    border: 1px solid rgba(0, 180, 216, 0.3);
    color: #FFF;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    z-index: 10;
    backdrop-filter: blur(4px);
    transition: all var(--transition-fast);
}

.slider-btn:hover {
    background: var(--nis-accent);
}

.slider-btn.prev { left: 16px; }
.slider-btn.next { right: 16px; }

/* Trust Highlights Bar */
.trust-bar {
    margin: 20px 0;
    background: #FFFFFF;
    border-radius: var(--radius-md);
    padding: 18px 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 14px;
}

.trust-icon {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: #E0F2FE;
    color: var(--nis-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.trust-title {
    font-size: 13.5px;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.2;
}

.trust-desc {
    font-size: 12px;
    color: var(--text-muted);
}

/* ==============================================================================
   SECTIONS & PRODUCT CARDS
   ============================================================================== */
.section {
    padding: 28px 0;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
}

.section-title {
    font-size: 22px;
    font-weight: 800;
    color: var(--nis-navy);
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title i {
    color: var(--nis-cyan);
}

.view-all-link {
    font-size: 13.5px;
    font-weight: 700;
    color: var(--nis-accent);
    display: flex;
    align-items: center;
    gap: 6px;
}

.view-all-link:hover {
    color: var(--nis-accent-hover);
    text-decoration: underline;
}

/* Category Grid */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 14px;
}

.category-card {
    background: #FFFFFF;
    border-radius: var(--radius-md);
    padding: 16px 12px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.category-card:hover {
    transform: translateY(-4px);
    border-color: var(--nis-cyan);
    box-shadow: var(--shadow-md);
}

.category-icon-wrapper {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: #F0F9FF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--nis-accent);
    transition: all var(--transition-fast);
}

.category-card:hover .category-icon-wrapper {
    background: var(--nis-accent);
    color: #FFFFFF;
}

.category-name {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.2;
}

.category-count {
    font-size: 11px;
    color: var(--text-muted);
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

/* Product Card */
.product-card {
    background: #FFFFFF;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    padding: 16px;
    position: relative;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.product-card:hover {
    border-color: var(--nis-cyan);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.product-badges {
    position: absolute;
    top: 12px;
    left: 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    z-index: 5;
}

.badge {
    font-size: 10.5px;
    font-weight: 800;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-offer {
    background: var(--nis-accent);
    color: #FFFFFF;
}

.badge-new {
    background: var(--nis-navy);
    color: #FFFFFF;
}

.badge-free-shipping {
    background: var(--nis-green);
    color: #FFFFFF;
}

.product-image-container {
    height: 190px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    position: relative;
    overflow: hidden;
}

.product-image {
    max-height: 180px;
    max-width: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

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

.product-brand {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.product-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
    line-height: 1.35;
    margin-bottom: 10px;
    height: 38px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.product-title a:hover {
    color: var(--nis-accent);
}

/* Pricing in PYG & USD */
.product-pricing {
    margin-top: auto;
    padding-top: 8px;
    border-top: 1px dashed var(--border-light);
}

.price-main {
    font-size: 19px;
    font-weight: 900;
    color: var(--nis-navy);
    display: flex;
    align-items: baseline;
    gap: 6px;
    line-height: 1.1;
}

.price-secondary {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.installments-info {
    font-size: 11.5px;
    font-weight: 700;
    color: var(--nis-green);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.product-card-actions {
    display: flex;
    gap: 8px;
}

.btn-add-cart {
    flex: 1;
    background: linear-gradient(135deg, var(--nis-accent) 0%, #0070D8 100%);
    color: #FFFFFF;
    border: none;
    border-radius: var(--radius-sm);
    padding: 9px 12px;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all var(--transition-fast);
}

.btn-add-cart:hover {
    background: linear-gradient(135deg, #0095FF 0%, var(--nis-accent) 100%);
}

.btn-quick-view {
    background: #F1F5F9;
    color: var(--text-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-quick-view:hover {
    background: var(--nis-navy);
    color: #FFFFFF;
}

/* ==============================================================================
   BLOG & ARTICLES MODULE STYLES (NEW & DEDICATED)
   ============================================================================== */
.blog-header-banner {
    background: linear-gradient(135deg, #0A192F 0%, #172A45 100%);
    border-radius: var(--radius-lg);
    padding: 40px;
    color: #FFFFFF;
    margin-bottom: 36px;
    border: 1px solid rgba(0, 180, 216, 0.25);
    box-shadow: var(--shadow-md);
}

.blog-header-title {
    font-size: 32px;
    font-weight: 900;
    margin: 10px 0 12px;
    color: #FFFFFF;
    line-height: 1.2;
}

.blog-header-desc {
    font-size: 15px;
    color: #CBD5E1;
    max-width: 680px;
    line-height: 1.5;
}

.blog-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 32px;
    align-items: start;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.blog-card {
    background: #FFFFFF;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    transition: all 0.25s ease;
}

.blog-card:hover {
    transform: translateY(-4px);
    border-color: var(--nis-cyan);
    box-shadow: var(--shadow-lg);
}

.blog-card-img-wrap {
    display: block;
    height: 200px;
    overflow: hidden;
    background: #0A192F;
    position: relative;
}

.blog-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s ease;
}

.blog-card:hover .blog-card-img {
    transform: scale(1.06);
}

.blog-card-body {
    padding: 22px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 11.5px;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.blog-card-category {
    background: #E0F2FE;
    color: var(--nis-accent);
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-weight: 800;
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.5px;
}

.blog-card-title {
    font-size: 17.5px;
    font-weight: 800;
    color: var(--nis-navy);
    line-height: 1.35;
    margin-bottom: 10px;
}

.blog-card-title a {
    color: var(--nis-navy);
    transition: color 0.2s ease;
}

.blog-card-title a:hover {
    color: var(--nis-accent);
}

.blog-card-summary {
    font-size: 13.5px;
    color: var(--text-muted);
    line-height: 1.55;
    margin-bottom: 18px;
    flex: 1;
}

.blog-card-footer {
    border-top: 1px solid var(--border-light);
    padding-top: 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12.5px;
}

.blog-card-read-more {
    font-size: 13px;
    font-weight: 700;
    color: var(--nis-accent);
    display: flex;
    align-items: center;
    gap: 4px;
}

.blog-card-read-more:hover {
    color: var(--nis-accent-hover);
    text-decoration: underline;
}

/* Blog Sidebar */
.blog-sidebar-widget {
    background: #FFFFFF;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    padding: 22px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
}

.blog-widget-title {
    font-size: 15.5px;
    font-weight: 800;
    color: var(--nis-navy);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.blog-recent-item {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 14px;
}

.blog-recent-img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    background: #0A192F;
    flex-shrink: 0;
}

.blog-recent-info {
    flex: 1;
}

.blog-recent-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 3px;
}

.blog-recent-title:hover {
    color: var(--nis-accent);
}

/* Blog Detail / Article Reading */
.blog-detail-container {
    max-width: 920px;
    margin: 0 auto;
}

.blog-detail-card {
    background: #FFFFFF;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 40px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 36px;
}

.blog-detail-title {
    font-size: 30px;
    font-weight: 900;
    color: var(--nis-navy);
    margin: 12px 0 16px;
    line-height: 1.25;
}

.blog-detail-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 13px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.blog-detail-featured-img {
    height: 400px;
    width: 100%;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: 28px;
    background: #0A192F;
}

.blog-detail-summary {
    background: #F0F9FF;
    border-left: 4px solid var(--nis-accent);
    padding: 18px 24px;
    font-size: 16.5px;
    font-weight: 600;
    color: var(--nis-navy);
    line-height: 1.6;
    margin-bottom: 28px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.blog-detail-content {
    font-size: 16px;
    color: var(--text-main);
    line-height: 1.85;
    margin-bottom: 32px;
}

.blog-detail-content h2, .blog-detail-content h3 {
    color: var(--nis-navy);
    font-weight: 800;
    margin: 28px 0 14px;
    line-height: 1.3;
}

.blog-detail-content p {
    margin-bottom: 18px;
}

/* ==============================================================================
   CONTACT PAGE MODULE STYLES (NEW & DEDICATED)
   ============================================================================== */
.contact-layout {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 36px;
    align-items: start;
}

.contact-form-card {
    background: #FFFFFF;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 36px;
    box-shadow: var(--shadow-sm);
}

.contact-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-info-card {
    background: #FFFFFF;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    display: flex;
    gap: 16px;
    align-items: center;
    transition: all var(--transition-fast);
}

.contact-info-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.contact-info-card.whatsapp {
    border: 2px solid #25D366;
    background: #FAFFF9;
}

.contact-info-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    flex-shrink: 0;
}

.contact-info-icon.whatsapp { background: #DCFCE7; color: #25D366; }
.contact-info-icon.email { background: #E0F2FE; color: var(--nis-accent); }
.contact-info-icon.phone { background: #F1F5F9; color: var(--nis-navy); }

/* Captcha Challenge Box */
.captcha-box {
    background: #F0F9FF;
    border: 1px solid #BAE6FD;
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    margin-bottom: 20px;
}

.captcha-question-badge {
    background: var(--nis-navy);
    color: #FFFFFF;
    font-weight: 900;
    font-size: 16px;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    letter-spacing: 2px;
    user-select: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* ==============================================================================
   FLOATING WHATSAPP BUTTON (TIA TIENDA DIRECT SUPPORT)
   ============================================================================== */
.floating-whatsapp-btn {
    position: fixed;
    bottom: 24px;
    left: 24px;
    background: #25D366;
    color: #FFFFFF;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
    z-index: 9999;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.floating-whatsapp-btn:hover {
    transform: scale(1.1);
    color: #FFFFFF;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.6);
}

.floating-whatsapp-tooltip {
    position: absolute;
    left: 70px;
    background: var(--nis-navy);
    color: #FFFFFF;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
    pointer-events: none;
    box-shadow: var(--shadow-md);
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.25s ease;
}

.floating-whatsapp-btn:hover .floating-whatsapp-tooltip {
    opacity: 1;
    transform: translateX(0);
}

/* ==============================================================================
   FOOTER (TIA TIENDA STYLE)
   ============================================================================== */
.main-footer {
    background: var(--nis-navy-dark);
    color: #94A3B8;
    padding-top: 48px;
    margin-top: 40px;
    border-top: 4px solid var(--nis-accent);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 32px;
    margin-bottom: 40px;
}

.footer-col h4 {
    color: #FFFFFF;
    font-size: 16px;
    font-weight: 800;
    margin-bottom: 18px;
    position: relative;
    padding-bottom: 8px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 32px;
    height: 3px;
    background: var(--nis-cyan);
    border-radius: var(--radius-full);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: #94A3B8;
    font-size: 13.5px;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--nis-sky);
    padding-left: 4px;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 14px;
    font-size: 13.5px;
}

.footer-contact-item i {
    color: var(--nis-cyan);
    font-size: 16px;
    margin-top: 3px;
}

.footer-bottom {
    background: #020713;
    padding: 20px 0;
    border-top: 1px solid rgba(255,255,255,0.06);
    font-size: 12.5px;
    color: #64748B;
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.payment-methods {
    display: flex;
    align-items: center;
    gap: 12px;
}

.payment-badge {
    background: rgba(255,255,255,0.08);
    color: #CBD5E1;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 11.5px;
    font-weight: 700;
}

/* ==============================================================================
   RESPONSIVE DESIGN (MOBILE & TABLET ADAPTATION)
   ============================================================================== */
@media (max-width: 992px) {
    .header-inner {
        flex-wrap: wrap;
    }
    .search-container {
        order: 3;
        max-width: 100%;
        width: 100%;
    }
    .hero-slider {
        min-height: 340px;
        height: 380px;
    }
    .hero-content {
        padding: 30px;
        max-width: 100%;
    }
    .hero-title {
        font-size: 26px;
    }
    .blog-layout {
        grid-template-columns: 1fr;
    }
    .contact-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .top-bar-inner {
        justify-content: center;
        text-align: center;
    }
    .category-select-header {
        display: none;
    }
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    .product-card {
        padding: 10px;
    }
    .product-image-container {
        height: 140px;
    }
    .price-main {
        font-size: 16px;
    }
    .btn-quick-view {
        display: none;
    }
    .blog-header-banner {
        padding: 24px;
    }
    .blog-header-title {
        font-size: 24px;
    }
    .blog-grid {
        grid-template-columns: 1fr;
    }
    .blog-detail-card {
        padding: 20px;
    }
    .blog-detail-title {
        font-size: 22px;
    }
    .blog-detail-featured-img {
        height: 240px;
    }
    .contact-form-card {
        padding: 20px;
    }
    .floating-whatsapp-btn {
        bottom: 16px;
        left: 16px;
        width: 52px;
        height: 52px;
        font-size: 26px;
    }
}