/* ============================================
   TU GRANEL - Estilos principales
   Verde salvia + blanco + detalles dorados
   Mobile-first, responsive
   ============================================ */

:root {
    --color-primary: #7C9A7C;        /* Verde salvia */
    --color-primary-dark: #5a7a5a;   /* Verde salvia oscuro */
    --color-primary-light: #9eb89e; /* Verde salvia claro */
    --color-gold: #C9A962;           /* Dorado */
    --color-gold-light: #e0c992;     /* Dorado claro */
    --color-white: #ffffff;
    --color-bg: #f9fbf9;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-border: #e0e0e0;
    
    --font-main: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-size-base: 16px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    --border-radius: 8px;
    --shadow: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-hover: 0 4px 16px rgba(0,0,0,0.12);
}

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ============================================
   HEADER & NAV
   ============================================ */
header {
    background: var(--color-white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.top-bar {
    background: var(--color-primary);
    color: var(--color-white);
    text-align: center;
    padding: 0.5rem;
    font-size: 0.9rem;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--color-primary-dark);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1.2rem;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-text span {
    color: var(--color-gold);
}

nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

nav a {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    padding: 0.5rem;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

nav a:hover,
nav a.active {
    color: var(--color-primary);
    background: rgba(124, 154, 124, 0.1);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-primary-dark);
}

/* ============================================
   MAIN CONTENT
   ============================================ */
main {
    flex: 1;
}

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

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--spacing-xl) var(--spacing-sm);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero h1 span {
    color: var(--color-gold-light);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: var(--color-gold-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

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

.btn-secondary:hover {
    background: var(--color-bg);
    transform: translateY(-2px);
}

.btn-whatsapp {
    background: #25D366;
    color: white;
}

.btn-whatsapp:hover {
    background: #128C7E;
}

/* ============================================
   BANNER ENVÍO
   ============================================ */
.shipping-banner {
    background: linear-gradient(90deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
    color: var(--color-white);
    text-align: center;
    padding: var(--spacing-sm);
    font-weight: 600;
}

.shipping-banner span {
    font-size: 1.2rem;
}

/* ============================================
   CATEGORÍAS
   ============================================ */
.section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-xs);
}

.section-title p {
    color: var(--color-text-light);
    font-size: 1.1rem;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.category-card {
    background: var(--color-white);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    display: block;
}

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

.category-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.category-card h3 {
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-xs);
}

/* ============================================
   PRODUCTOS
   ============================================ */
.products-section {
    background: var(--color-white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--spacing-md);
}

.product-card {
    background: var(--color-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    position: relative;
}

.product-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.product-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: var(--color-primary);
    color: var(--color-white);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 1;
}

.product-image {
    height: 180px;
    background: linear-gradient(135deg, #e8f0e8 0%, #d0e0d0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}

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

.product-info h3 {
    font-size: 1.1rem;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.product-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-xs);
}

.product-price span {
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--color-text-light);
}

.product-btn {
    width: 100%;
    padding: 0.75rem;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.product-btn:hover {
    background: var(--color-primary-dark);
}

/* ============================================
   FEATURES / VALORES
   ============================================ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.feature-item {
    text-align: center;
    padding: var(--spacing-md);
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
}

.feature-item h3 {
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-xs);
}

.feature-item p {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* ============================================
   TESTIMONIOS
   ============================================ */
.testimonials {
    background: var(--color-white);
}

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

.testimonial-card {
    background: var(--color-bg);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-gold);
}

.testimonial-text {
    font-style: italic;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.testimonial-author {
    font-weight: 600;
    color: var(--color-primary-dark);
}

/* ============================================
   ABOUT / NOSOTROS
   ============================================ */
.about-hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--spacing-xl) var(--spacing-sm);
    text-align: center;
}

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

.about-text h2 {
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-sm);
    font-size: 2rem;
}

.about-text p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
}

.values-list {
    list-style: none;
    margin-top: var(--spacing-md);
}

.values-list li {
    padding: var(--spacing-xs) 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.values-list li::before {
    content: '✓';
    color: var(--color-gold);
    font-weight: bold;
}

.about-image {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    border-radius: var(--border-radius);
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
}

/* ============================================
   CONTACTO
   ============================================ */
.contact-section {
    background: var(--color-white);
}

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

.contact-info h2 {
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-md);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-item h3 {
    color: var(--color-primary-dark);
    margin-bottom: 0.25rem;
}

.contact-item p {
    color: var(--color-text-light);
}

.contact-form {
    background: var(--color-bg);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--color-text);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

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

.map-container {
    margin-top: var(--spacing-lg);
    border-radius: var(--border-radius);
    overflow: hidden;
    height: 300px;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

/* ============================================
   FAQ
   ============================================ */
.faq-section {
    background: var(--color-bg);
}

.faq-grid {
    display: grid;
    gap: var(--spacing-sm);
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.faq-item h3 {
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-xs);
}

.faq-item p {
    color: var(--color-text-light);
}

/* ============================================
   FOOTER
   ============================================ */
footer {
    background: var(--color-primary-dark);
    color: var(--color-white);
    padding: var(--spacing-xl) var(--spacing-sm) var(--spacing-md);
    margin-top: auto;
}

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

.footer-section h3 {
    color: var(--color-gold-light);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.footer-section p,
.footer-section li {
    color: rgba(255,255,255,0.8);
    font-size: 0.95rem;
}

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

.footer-section a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
}

/* ============================================
   UTILITIES
   ============================================ */
.text-center { text-align: center; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
    }
    
    nav ul {
        flex-direction: column;
        width: 100%;
        text-align: center;
        display: none;
    }
    
    nav ul.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
    }
}

@media (min-width: 769px) {
    .mobile-menu-btn {
        display: none;
    }
    
    nav ul {
        display: flex !important;
    }
}