/* ========================================
   PRODUCTOS PARA PERROS - ESTILOS PRINCIPALES
   productosparaperros.co
   ======================================== */

/* ===== CSS Variables ===== */
:root {
    /* Colores principales */
    --primary: #FF6B35;
    --primary-dark: #E55A2B;
    --primary-light: #FF8F66;
    --secondary: #2D3748;
    --accent: #48BB78;
    
    /* Colores neutros */
    --white: #FFFFFF;
    --gray-50: #F7FAFC;
    --gray-100: #EDF2F7;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E0;
    --gray-400: #A0AEC0;
    --gray-500: #718096;
    --gray-600: #4A5568;
    --gray-700: #2D3748;
    --gray-800: #1A202C;
    --gray-900: #171923;
    
    /* Colores de estado */
    --success: #48BB78;
    --warning: #ECC94B;
    --error: #F56565;
    --info: #4299E1;
    
    /* Tipografía */
    --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;
    --font-size-5xl: 3rem;
    
    /* Espaciado */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    
    /* Bordes */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transiciones */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-tooltip: 500;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

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

/* ===== Utilities ===== */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-6);
    }
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    box-shadow: 0 4px 14px 0 rgba(255, 107, 53, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(255, 107, 53, 0.5);
}

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

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

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

.btn-white:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
}

.btn-lg {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-base);
}

.btn-block {
    width: 100%;
}

/* ===== Header ===== */
.header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: var(--white);
    box-shadow: var(--shadow-sm);
}

.header-top {
    background: var(--gray-800);
    color: var(--white);
    padding: var(--spacing-2) 0;
    font-size: var(--font-size-sm);
}

.header-top .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-2);
}

.header-top p {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.header-top svg {
    width: 16px;
    height: 16px;
}

.header-top-links {
    display: flex;
    gap: var(--spacing-4);
}

.header-top-links a {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    opacity: 0.9;
}

.header-top-links a:hover {
    opacity: 1;
}

/* Navbar */
.navbar {
    padding: var(--spacing-4) 0;
    border-bottom: 1px solid var(--gray-100);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-4);
}

.logo {
    flex-shrink: 0;
}

.logo img {
    height: 55px;
    width: auto;
    min-width: 180px;
}

.nav-search {
    flex: 1;
    max-width: 500px;
    margin: 0 auto;
}

.nav-search form {
    display: flex;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    overflow: hidden;
    border: 2px solid transparent;
    transition: border-color var(--transition-fast);
}

.nav-search form:focus-within {
    border-color: var(--primary);
    background: var(--white);
}

.nav-search input {
    flex: 1;
    padding: var(--spacing-3) var(--spacing-5);
    border: none;
    background: transparent;
    outline: none;
}

.nav-search button {
    padding: var(--spacing-3) var(--spacing-5);
    background: var(--primary);
    color: var(--white);
    transition: background var(--transition-fast);
}

.nav-search button:hover {
    background: var(--primary-dark);
}

.nav-search button svg {
    width: 20px;
    height: 20px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    flex-shrink: 0;
    margin-left: auto;
}

.nav-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-1);
    font-size: var(--font-size-xs);
    color: var(--gray-600);
    transition: color var(--transition-fast);
}

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

.nav-action svg {
    width: 24px;
    height: 24px;
}

.cart-btn {
    position: relative;
}

.cart-count {
    position: absolute;
    top: -5px;
    right: 5px;
    background: var(--primary);
    color: var(--white);
    font-size: 10px;
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-menu-btn {
    display: none;
    padding: var(--spacing-2);
    color: var(--gray-700);
}

.mobile-menu-btn svg {
    width: 28px;
    height: 28px;
}

/* Categories Nav */
.nav-categories {
    background: var(--primary);
    border-bottom: 1px solid var(--primary-dark);
}

.categories-list {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-1);
    overflow-x: auto;
    padding: var(--spacing-3) 0;
    scrollbar-width: none;
}

.categories-list::-webkit-scrollbar {
    display: none;
}

.categories-list a {
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--white);
    border-radius: var(--radius-full);
    white-space: nowrap;
    letter-spacing: 0.5px;
    transition: all var(--transition-fast);
}

.categories-list a:hover {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.categories-list a.highlight {
    background: var(--white);
    color: var(--primary);
}

.categories-list a.highlight:hover {
    background: rgba(255, 255, 255, 0.9);
}

/* ===== Hero Section ===== */
.hero {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    padding: var(--spacing-12) 0 var(--spacing-16);
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-10);
    align-items: center;
}

@media (min-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr 1fr;
    }
}

.hero-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    color: var(--white);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-4);
}

.hero h1 {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    line-height: 1.2;
    color: var(--gray-800);
    margin-bottom: var(--spacing-4);
}

@media (min-width: 768px) {
    .hero h1 {
        font-size: var(--font-size-5xl);
    }
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    margin-bottom: var(--spacing-8);
    max-width: 540px;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-8);
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-6);
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.hero-feature svg {
    width: 20px;
    height: 20px;
    color: var(--accent);
}

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

.hero-image img {
    width: 100%;
    max-width: 500px;
    height: auto;
    margin: 0 auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.1));
}

@media (min-width: 1024px) {
    .hero-image {
        justify-content: flex-end;
    }
}

/* ===== Section Styles ===== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-12);
}

.section-header h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: var(--spacing-3);
}

@media (min-width: 768px) {
    .section-header h2 {
        font-size: var(--font-size-4xl);
    }
}

.section-header p {
    font-size: var(--font-size-lg);
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto;
}

.section-cta {
    text-align: center;
    margin-top: var(--spacing-10);
}

/* ===== Categories Section ===== */
.categories-section {
    padding: var(--spacing-16) 0;
    background: var(--white);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-4);
}

@media (min-width: 768px) {
    .categories-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-5);
    }
}

@media (min-width: 1200px) {
    .categories-grid {
        grid-template-columns: repeat(7, 1fr);
    }
}

.category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-6);
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.category-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
}

.category-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-4);
}

.category-icon svg {
    width: 32px;
    height: 32px;
    color: var(--white);
}

.category-card h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-2);
}

.category-card p {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

/* ===== Products Section ===== */
.products-section {
    padding: var(--spacing-16) 0;
    background: var(--gray-50);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-4);
}

@media (min-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-6);
    }
}

.product-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    position: relative;
}

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

.product-badge {
    position: absolute;
    top: var(--spacing-3);
    left: var(--spacing-3);
    background: var(--primary);
    color: var(--white);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    z-index: 1;
}

.product-badge.sale {
    background: var(--error);
}

.product-badge.new {
    background: var(--accent);
}

.product-image {
    display: block;
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--gray-100);
}

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

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

.product-info {
    padding: var(--spacing-4);
}

.product-category {
    font-size: var(--font-size-xs);
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-info h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--gray-800);
    margin: var(--spacing-2) 0;
    line-height: 1.4;
}

.product-info h3 a:hover {
    color: var(--primary);
}

.product-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-3);
}

.product-rating .stars {
    color: var(--warning);
    font-size: var(--font-size-sm);
}

.product-rating span {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
}

.product-price {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-4);
}

.price-current {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--gray-800);
}

.price-old {
    font-size: var(--font-size-sm);
    color: var(--gray-400);
    text-decoration: line-through;
}

.add-to-cart {
    font-size: var(--font-size-sm);
}

/* ===== Promo Banner ===== */
.promo-banner {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: var(--spacing-16) 0;
    position: relative;
    overflow: hidden;
}

.promo-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: rgba(255, 255, 255, 0.1);
    transform: rotate(15deg);
}

.promo-content {
    text-align: center;
    color: var(--white);
    position: relative;
    z-index: 1;
}

.promo-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-4);
}

.promo-content h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-4);
}

@media (min-width: 768px) {
    .promo-content h2 {
        font-size: var(--font-size-4xl);
    }
}

.promo-content p {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--spacing-6);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== Features Section ===== */
.features-section {
    padding: var(--spacing-16) 0;
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: var(--spacing-6);
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.feature-card {
    text-align: center;
    padding: var(--spacing-8);
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.feature-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    border-radius: var(--radius-2xl);
    margin: 0 auto var(--spacing-5);
}

.feature-icon svg {
    width: 36px;
    height: 36px;
    color: var(--white);
}

.feature-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-3);
}

.feature-card p {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    line-height: 1.7;
}

/* ===== Testimonials Section ===== */
.testimonials-section {
    padding: var(--spacing-16) 0;
    background: var(--gray-50);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: var(--spacing-6);
}

@media (min-width: 768px) {
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.testimonial-card {
    background: var(--white);
    padding: var(--spacing-6);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

.testimonial-rating {
    color: var(--warning);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-4);
}

.testimonial-card > p {
    font-size: var(--font-size-base);
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: var(--spacing-5);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.testimonial-author strong {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--gray-800);
}

.testimonial-author span {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
}

/* ===== Blog Section ===== */
.blog-section {
    padding: var(--spacing-16) 0;
    background: var(--white);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: var(--spacing-6);
}

@media (min-width: 768px) {
    .blog-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.blog-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

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

.blog-image {
    display: block;
    aspect-ratio: 16/10;
    overflow: hidden;
}

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

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

.blog-content {
    padding: var(--spacing-5);
}

.blog-category {
    display: inline-block;
    background: var(--primary-light);
    color: var(--white);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    margin-bottom: var(--spacing-3);
}

.blog-content h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-3);
    line-height: 1.4;
}

.blog-content h3 a:hover {
    color: var(--primary);
}

.blog-content > p {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    margin-bottom: var(--spacing-4);
    line-height: 1.6;
}

.blog-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--primary);
}

.blog-link svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.blog-link:hover svg {
    transform: translateX(4px);
}

/* ===== Newsletter Section ===== */
.newsletter-section {
    padding: var(--spacing-16) 0;
    background: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-900) 100%);
}

.newsletter-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.newsletter-content h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--spacing-3);
}

.newsletter-content > p {
    font-size: var(--font-size-lg);
    color: var(--gray-400);
    margin-bottom: var(--spacing-6);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
}

@media (max-width: 640px) {
    .newsletter-form {
        flex-direction: column;
    }
}

.newsletter-form input {
    flex: 1;
    padding: var(--spacing-4) var(--spacing-5);
    border: 2px solid var(--gray-700);
    border-radius: var(--radius-lg);
    background: var(--gray-800);
    color: var(--white);
    outline: none;
    transition: border-color var(--transition-fast);
}

.newsletter-form input::placeholder {
    color: var(--gray-500);
}

.newsletter-form input:focus {
    border-color: var(--primary);
}

.newsletter-form .btn {
    padding: var(--spacing-4) var(--spacing-8);
}

.newsletter-privacy {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

.newsletter-privacy a {
    color: var(--primary-light);
    text-decoration: underline;
}

/* ===== Footer ===== */
.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: var(--spacing-16) 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: var(--spacing-8);
    padding-bottom: var(--spacing-12);
    border-bottom: 1px solid var(--gray-800);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1.8fr 1fr 1fr 1fr 1.2fr;
    }
}

.footer-brand img {
    height: 45px;
    margin-bottom: var(--spacing-4);
}

.footer-brand p {
    font-size: var(--font-size-sm);
    line-height: 1.7;
    margin-bottom: var(--spacing-5);
}

.footer-social {
    display: flex;
    gap: var(--spacing-3);
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-800);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--primary);
    color: var(--white);
}

.footer-social svg {
    width: 20px;
    height: 20px;
}

.footer-links h4,
.footer-contact h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--spacing-5);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.footer-links a {
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

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

.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-size: var(--font-size-sm);
}

.footer-contact svg {
    width: 18px;
    height: 18px;
    color: var(--primary);
}

.payment-methods {
    display: flex;
    gap: var(--spacing-3);
    margin-top: var(--spacing-5);
}

.payment-methods img {
    height: 30px;
    width: auto;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.payment-methods img:hover {
    opacity: 1;
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-4);
    padding: var(--spacing-6) 0;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-bottom p {
    font-size: var(--font-size-sm);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-6);
}

.footer-legal a {
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

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

/* ===== WhatsApp Button ===== */
.whatsapp-btn {
    position: fixed;
    bottom: var(--spacing-6);
    right: var(--spacing-6);
    width: 60px;
    height: 60px;
    background: #25D366;
    color: var(--white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

.whatsapp-btn svg {
    width: 32px;
    height: 32px;
}

/* ===== Responsive Adjustments ===== */
@media (max-width: 1023px) {
    .nav-search {
        display: none;
    }
    
    .nav-action span {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .header-top-links {
        display: none;
    }
}

@media (max-width: 767px) {
    .hero {
        padding: var(--spacing-8) 0 var(--spacing-12);
    }
    
    .hero h1 {
        font-size: var(--font-size-3xl);
    }
    
    .hero-description {
        font-size: var(--font-size-base);
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .section-header h2 {
        font-size: var(--font-size-2xl);
    }
    
    .promo-content h2 {
        font-size: var(--font-size-2xl);
    }
}

/* ===== Animations ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.category-card,
.product-card,
.feature-card,
.testimonial-card,
.blog-card {
    animation: fadeInUp 0.6s ease forwards;
}

/* Stagger animations */
.categories-grid .category-card:nth-child(1) { animation-delay: 0.1s; }
.categories-grid .category-card:nth-child(2) { animation-delay: 0.15s; }
.categories-grid .category-card:nth-child(3) { animation-delay: 0.2s; }
.categories-grid .category-card:nth-child(4) { animation-delay: 0.25s; }
.categories-grid .category-card:nth-child(5) { animation-delay: 0.3s; }
.categories-grid .category-card:nth-child(6) { animation-delay: 0.35s; }

.products-grid .product-card:nth-child(1) { animation-delay: 0.1s; }
.products-grid .product-card:nth-child(2) { animation-delay: 0.15s; }
.products-grid .product-card:nth-child(3) { animation-delay: 0.2s; }
.products-grid .product-card:nth-child(4) { animation-delay: 0.25s; }

/* ========================================
   MODALES DE AUTENTICACIÓN
   ======================================== */
.auth-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.auth-modal.active {
    opacity: 1;
    visibility: visible;
}

.auth-modal-content {
    background: white;
    border-radius: 20px;
    padding: 40px;
    width: 90%;
    max-width: 420px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: translateY(20px) scale(0.95);
    transition: transform 0.3s ease;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
}

.auth-modal.active .auth-modal-content {
    transform: translateY(0) scale(1);
}

.auth-modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 36px;
    height: 36px;
    border: none;
    background: var(--gray-100);
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.auth-modal-close:hover {
    background: var(--gray-200);
    transform: rotate(90deg);
}

.auth-modal-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-modal-header h2 {
    font-size: 1.75rem;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.auth-modal-header p {
    color: var(--gray-600);
    font-size: 0.95rem;
}

.auth-modal .form-group {
    margin-bottom: 20px;
}

.auth-modal .form-group label {
    display: block;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.auth-modal .form-group input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.2s ease;
    box-sizing: border-box;
}

.auth-modal .form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

.auth-btn-primary {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.auth-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.auth-modal-footer {
    text-align: center;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid var(--gray-200);
}

.auth-modal-footer p {
    color: var(--gray-600);
    font-size: 0.9rem;
}

.auth-modal-footer a {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
}

.auth-modal-footer a:hover {
    text-decoration: underline;
}

/* Menú de cuenta */
.account-menu {
    max-width: 360px;
}

.account-menu-items {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.account-menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--gray-50);
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    color: var(--gray-700);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
    text-align: left;
}

.account-menu-item:hover {
    background: var(--gray-100);
    color: var(--primary);
}

.account-menu-item.logout {
    color: #E53E3E;
    margin-top: 10px;
}

.account-menu-item.logout:hover {
    background: #FED7D7;
    color: #C53030;
}

.account-menu-item svg {
    width: 20px;
    height: 20px;
}

/* ========================================
   SIDEBAR DEL CARRITO
   ======================================== */
.cart-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10001;
    visibility: hidden;
}

.cart-sidebar.active {
    visibility: visible;
}

.cart-sidebar-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cart-sidebar.active .cart-sidebar-overlay {
    opacity: 1;
}

.cart-sidebar-content {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 420px;
    height: 100%;
    background: white;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15);
}

.cart-sidebar.active .cart-sidebar-content {
    transform: translateX(0);
}

.cart-sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-200);
    background: var(--gray-50);
}

.cart-sidebar-header h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    color: var(--gray-900);
    margin: 0;
}

.cart-sidebar-header h3 svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.cart-sidebar-close {
    width: 40px;
    height: 40px;
    border: none;
    background: white;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.cart-sidebar-close:hover {
    background: var(--gray-100);
    transform: rotate(90deg);
}

.cart-sidebar-close svg {
    width: 20px;
    height: 20px;
}

.cart-sidebar-items {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

/* Carrito vacío */
.cart-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    color: var(--gray-500);
}

.cart-empty svg {
    width: 64px;
    height: 64px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.cart-empty p {
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.cart-continue-btn {
    padding: 12px 24px;
    background: var(--primary);
    color: white;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
}

.cart-continue-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Items del carrito */
.cart-item {
    display: flex;
    gap: 16px;
    padding: 16px;
    background: var(--gray-50);
    border-radius: 12px;
    margin-bottom: 12px;
    position: relative;
}

.cart-item-image {
    width: 80px;
    height: 80px;
    border-radius: 10px;
    overflow: hidden;
    flex-shrink: 0;
    background: white;
}

.cart-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cart-item-details {
    flex: 1;
    min-width: 0;
}

.cart-item-details h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--gray-800);
    margin: 0 0 6px 0;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.cart-item-price {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
    margin: 0 0 10px 0;
}

.cart-item-quantity {
    display: flex;
    align-items: center;
    gap: 0;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    width: fit-content;
    border: 1px solid var(--gray-200);
}

.cart-item-quantity button {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    font-size: 1.1rem;
    cursor: pointer;
    color: var(--gray-600);
    transition: all 0.2s ease;
}

.cart-item-quantity button:hover {
    background: var(--gray-100);
    color: var(--primary);
}

.cart-item-quantity span {
    width: 36px;
    text-align: center;
    font-weight: 600;
    color: var(--gray-800);
}

.cart-item-remove {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 28px;
    height: 28px;
    border: none;
    background: white;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.6;
    transition: all 0.2s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.cart-item-remove:hover {
    opacity: 1;
    background: #FED7D7;
    color: #C53030;
}

.cart-item-remove svg {
    width: 14px;
    height: 14px;
}

/* Footer del carrito */
.cart-sidebar-footer {
    padding: 20px 24px;
    border-top: 1px solid var(--gray-200);
    background: var(--gray-50);
}

.cart-subtotal {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.1rem;
    margin-bottom: 12px;
}

.cart-subtotal strong {
    font-size: 1.4rem;
    color: var(--primary);
}

.cart-shipping-note {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: #C6F6D5;
    color: #276749;
    border-radius: 8px;
    font-size: 0.85rem;
    margin-bottom: 16px;
}

.cart-shipping-note svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.cart-checkout-btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s ease;
    margin-bottom: 10px;
}

.cart-checkout-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.cart-whatsapp-btn {
    width: 100%;
    padding: 14px;
    background: #25D366;
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s ease;
    margin-bottom: 10px;
}

.cart-whatsapp-btn:hover {
    background: #128C7E;
    transform: translateY(-2px);
}

.cart-clear-btn {
    width: 100%;
    padding: 12px;
    background: transparent;
    color: var(--gray-500);
    border: 1px solid var(--gray-300);
    border-radius: 10px;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.cart-clear-btn:hover {
    background: #FED7D7;
    border-color: #FC8181;
    color: #C53030;
}

.cart-clear-btn svg {
    width: 16px;
    height: 16px;
}

/* Botón de Google */
.auth-btn-google {
    width: 100%;
    padding: 14px 16px;
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray-700);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: all 0.2s ease;
}

.auth-btn-google:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.auth-btn-google svg {
    flex-shrink: 0;
}

/* Divisor */
.auth-divider {
    display: flex;
    align-items: center;
    margin: 24px 0;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--gray-200);
}

.auth-divider span {
    padding: 0 16px;
    color: var(--gray-500);
    font-size: 0.85rem;
    white-space: nowrap;
}

/* ========================================
   MODAL DE CONFIRMACIÓN
   ======================================== */
.confirm-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10002;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.confirm-modal.active {
    opacity: 1;
    visibility: visible;
}

.confirm-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.confirm-modal-content {
    position: relative;
    background: white;
    border-radius: 20px;
    padding: 32px;
    width: 90%;
    max-width: 380px;
    text-align: center;
    transform: scale(0.9);
    transition: transform 0.3s ease;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
}

.confirm-modal.active .confirm-modal-content {
    transform: scale(1);
}

.confirm-modal-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: #FEF3C7;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.confirm-modal-icon svg {
    width: 32px;
    height: 32px;
    color: #D97706;
}

.confirm-modal-content h3 {
    font-size: 1.25rem;
    color: var(--gray-900);
    margin: 0 0 12px 0;
}

.confirm-modal-content p {
    color: var(--gray-600);
    font-size: 0.95rem;
    margin: 0 0 24px 0;
    line-height: 1.5;
}

.confirm-modal-buttons {
    display: flex;
    gap: 12px;
}

.confirm-btn-cancel,
.confirm-btn-confirm {
    flex: 1;
    padding: 14px 20px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.confirm-btn-cancel {
    background: var(--gray-100);
    border: none;
    color: var(--gray-700);
}

.confirm-btn-cancel:hover {
    background: var(--gray-200);
}

.confirm-btn-confirm {
    background: #DC2626;
    border: none;
    color: white;
}

.confirm-btn-confirm:hover {
    background: #B91C1C;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.4);
}

/* Favorites Counter */
.favorites-count {
    position: absolute;
    top: -6px;
    right: -6px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    background: #E53E3E;
    color: white;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Favorite Button on Product Cards */
.btn-favorite {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: white;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    z-index: 2;
    transition: all 0.2s ease;
    color: var(--gray-400);
}

.btn-favorite:hover {
    transform: scale(1.1);
    color: #E53E3E;
}

.btn-favorite.active {
    color: #E53E3E;
    background: #FFF5F5;
}

.btn-favorite.active svg {
    fill: #E53E3E;
}

.btn-favorite svg {
    width: 18px;
    height: 18px;
}

/* Responsive */
@media (max-width: 480px) {
    .auth-modal-content {
        padding: 30px 24px;
        border-radius: 16px 16px 0 0;
        max-height: 95vh;
        margin-top: auto;
    }
    
    .cart-sidebar-content {
        max-width: 100%;
    }
    
    .confirm-modal-content {
        padding: 24px;
    }
    
    .confirm-modal-buttons {
        flex-direction: column;
    }
}