:root {
    /* Paleta Principal Renovada */
    --primary-green: #00a832;
    --dark-green: #004d16;
    --emerald-green: #003810;
    --accent-orange: #ff5722;
    --accent-orange-hover: #e64a19;
    
    /* Tonos Metálicos e Industriales */
    --metallic-dark: #121814;
    --metallic-card: #1c241e;
    --dark-gray: #2b332d;
    --light-gray: #f2f5f3;
    --border-glow: rgba(0, 168, 50, 0.25);
    --white: #ffffff;

    /* Sombras y Profundidad 3D */
    --shadow-3d-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-3d-md: 0 10px 25px -5px rgba(0, 0, 0, 0.15), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-3d-lg: 0 20px 35px -10px rgba(0, 0, 0, 0.25), 0 10px 15px -5px rgba(0, 0, 0, 0.15);
    --shadow-green-glow: 0 8px 25px rgba(0, 168, 50, 0.35);
    --shadow-orange-glow: 0 8px 25px rgba(255, 87, 34, 0.4);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Open Sans', sans-serif;
}

h1, h2, h3, h4 {
    font-family: 'Montserrat', sans-serif;
}

body {
    color: var(--dark-gray);
    background-color: var(--light-gray);
    overflow-x: hidden;
}

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

/* Navbar Moderna con Blurring / Glassmorphism */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 2px solid var(--primary-green);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 50px;
    width: auto;
    object-fit: contain;
    display: block;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.12));
    transition: transform 0.3s ease;
}

.logo img:hover {
    transform: scale(1.03);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 25px;
    align-items: center;
}

.nav-links a {
    color: var(--dark-gray);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
    padding: 5px 0;
}

.nav-links a:not(.btn-login)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-green), var(--accent-orange));
    transition: width 0.3s ease;
    border-radius: 2px;
}

.nav-links a:not(.btn-login):hover::after {
    width: 100%;
}

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

/* Botón Acceso Admin Reestilizado */
.btn-login {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--dark-green) 100%);
    color: var(--white) !important;
    padding: 10px 24px !important;
    border-radius: 25px !important;
    font-weight: 700;
    font-size: 0.9rem;
    border: none !important;
    box-shadow: 0 4px 12px rgba(0, 168, 50, 0.25);
    transition: all 0.3s ease !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-login:hover {
    background: linear-gradient(135deg, var(--dark-green) 0%, var(--emerald-green) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 168, 50, 0.4);
    color: var(--white) !important;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 100%;
    height: 3.5px;
    background-color: var(--primary-green);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* Hero Section Imponente 3D */
.hero {
    background: linear-gradient(135deg, rgba(0, 45, 12, 0.88), rgba(18, 24, 20, 0.92)), url('https://images.unsplash.com/photo-1518780664697-55e3ad937233?ixlib=rb-4.0.3') center/cover;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    position: relative;
    padding: 60px 20px;
    box-shadow: inset 0 -20px 30px rgba(0, 0, 0, 0.5);
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-green), var(--accent-orange), var(--primary-green));
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.6);
    background: linear-gradient(180deg, #ffffff 40%, #c8e6c9 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.4rem;
    margin-bottom: 35px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.7);
    color: #e0e0e0;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-orange) 0%, var(--accent-orange-hover) 100%);
    color: var(--white);
    border: none;
    padding: 16px 38px;
    font-size: 1.15rem;
    font-weight: 800;
    border-radius: 10px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: var(--shadow-orange-glow);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-top: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-4px) scale(1.03);
    box-shadow: 0 12px 30px rgba(255, 87, 34, 0.6);
}

/* Features Tarjetas 3D Elevalicias */
.features {
    padding: 70px 0;
    background: linear-gradient(180deg, #eaf5ec 0%, var(--light-gray) 100%);
    position: relative;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    text-align: center;
}

.feature-card {
    background: var(--white);
    padding: 35px 25px;
    border-radius: 16px;
    box-shadow: var(--shadow-3d-md);
    border: 1px solid rgba(0, 168, 50, 0.12);
    transition: all 0.3s ease;
    position: relative;
    top: 0;
}

.feature-card:hover {
    top: -8px;
    box-shadow: var(--shadow-3d-lg), 0 0 20px rgba(0, 168, 50, 0.15);
    border-color: var(--primary-green);
}

.feature-card i {
    font-size: 3.2rem;
    background: linear-gradient(135deg, var(--primary-green), var(--dark-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 20px;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.1));
}

.feature-card h3 {
    margin-bottom: 12px;
    color: var(--emerald-green);
    font-weight: 800;
    font-size: 1.3rem;
}

/* Sobre Nosotros */
.about-section {
    padding: 90px 0;
    background-color: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 25px;
    color: var(--emerald-green);
    font-weight: 800;
    position: relative;
    padding-bottom: 15px;
}

.about-text h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 70px;
    height: 4px;
    background: var(--primary-green);
    border-radius: 2px;
}

.about-text p {
    margin-bottom: 20px;
    line-height: 1.7;
    font-size: 1.05rem;
    color: #444;
}

.btn-secondary {
    display: inline-block;
    background: linear-gradient(135deg, var(--metallic-dark) 0%, var(--dark-gray) 100%);
    color: var(--white);
    padding: 14px 30px;
    text-decoration: none;
    font-weight: 700;
    border-radius: 8px;
    margin-top: 10px;
    border: none;
    box-shadow: var(--shadow-3d-sm);
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: var(--dark-green);
    transform: translateY(-2px);
    box-shadow: var(--shadow-green-glow);
}

.about-image img {
    width: 100%;
    border-radius: 16px;
    box-shadow: var(--shadow-3d-lg);
    border: 4px solid var(--white);
    transition: transform 0.4s ease;
}

.about-image img:hover {
    transform: scale(1.02);
}

/* Catalog / Productos 9:16 Estilo App Premium */
.catalog-section {
    padding: 90px 0;
    background: linear-gradient(180deg, #f0f4f1 0%, #e2e9e4 100%);
}

.catalog-section h2 {
    text-align: center;
    font-size: 2.7rem;
    color: var(--emerald-green);
    font-weight: 800;
    margin-bottom: 10px;
    letter-spacing: -0.5px;
}

.catalog-subtitle {
    text-align: center;
    color: #555;
    font-size: 1.15rem;
    margin-bottom: 50px;
    font-weight: 600;
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 35px;
}

.product-card {
    background: var(--white);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: var(--shadow-3d-md);
    display: flex;
    flex-direction: column;
    transition: all 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(0, 0, 0, 0.06);
    position: relative;
}

.product-card:hover {
    transform: translateY(-10px) scale(1.01);
    box-shadow: var(--shadow-3d-lg), 0 0 25px rgba(0, 168, 50, 0.2);
    border-color: var(--primary-green);
}

/* Formato Estricto 9:16 con Efecto Zoom */
.product-image-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 9 / 16;
    overflow: hidden;
    background-color: #ddd;
}

.product-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-card:hover .product-image-wrapper img {
    transform: scale(1.08);
}

.product-content {
    padding: 22px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    background: var(--white);
}

.product-title {
    font-size: 1.25rem;
    color: var(--emerald-green);
    margin-bottom: 10px;
    font-weight: 800;
    line-height: 1.3;
}

.product-description {
    font-size: 0.92rem;
    color: #555;
    margin-bottom: 18px;
    flex-grow: 1;
    line-height: 1.5;
}

.product-price {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent-orange);
    margin-bottom: 18px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.btn-whatsapp {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: white;
    text-decoration: none;
    padding: 14px;
    border-radius: 10px;
    font-weight: 800;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.35);
    border-top: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-whatsapp:hover {
    background: linear-gradient(135deg, #1fbe5b 0%, #0d7367 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.5);
}

/* Newsletter Gradiente Pro */
.newsletter-section {
    background: linear-gradient(135deg, var(--emerald-green) 0%, var(--dark-green) 50%, var(--primary-green) 100%);
    color: var(--white);
    padding: 80px 0;
    text-align: center;
    box-shadow: inset 0 10px 20px rgba(0, 0, 0, 0.2);
}

.newsletter-section h2 {
    font-size: 2.3rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.newsletter-form {
    margin-top: 30px;
    display: flex;
    justify-content: center;
    gap: 12px;
}

.newsletter-form input {
    padding: 16px 20px;
    width: 360px;
    border: 2px solid transparent;
    border-radius: 10px;
    font-size: 1rem;
    outline: none;
    box-shadow: var(--shadow-3d-sm);
    transition: border-color 0.3s;
}

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

.newsletter-form button {
    background: linear-gradient(135deg, var(--accent-orange) 0%, var(--accent-orange-hover) 100%);
    color: white;
    border: none;
    padding: 16px 30px;
    font-weight: 800;
    font-size: 1rem;
    border-radius: 10px;
    cursor: pointer;
    box-shadow: var(--shadow-orange-glow);
    transition: all 0.3s ease;
}

.newsletter-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 87, 34, 0.6);
}

/* Footer Industrial Oscuro */
.footer {
    background: linear-gradient(180deg, var(--metallic-dark) 0%, #0a0d0b 100%);
    color: var(--white);
    padding: 80px 0 30px;
    border-top: 3px solid var(--primary-green);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 45px;
    margin-bottom: 50px;
}

.footer-col h3 {
    margin-bottom: 22px;
    color: var(--primary-green);
    font-size: 1.3rem;
    font-weight: 800;
}

.footer-col p {
    margin-bottom: 12px;
    font-size: 0.95rem;
    color: #ccc;
}

.footer-col i {
    margin-right: 10px;
    color: var(--accent-orange);
}

.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 12px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: white;
    border-radius: 8px;
    font-size: 0.95rem;
    transition: border-color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.social-links a {
    color: var(--white);
    font-size: 1.6rem;
    margin: 0 12px;
    display: inline-block;
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: var(--accent-orange);
    transform: translateY(-3px);
}

.admin-link {
    display: inline-block;
    margin-top: 18px;
    color: #777;
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.3s;
}

.admin-link:hover {
    color: var(--primary-green);
}

/* Adaptación Responsive (Mobile) */
@media(max-width: 768px) {
    .nav-toggle { display: flex; }
    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: 100%;
        left: 0;
        background-color: var(--white);
        padding: 25px 0;
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
        border-bottom: 3px solid var(--primary-green);
        gap: 15px;
    }
    .nav-links.show { display: flex; }
    .features-grid, .about-grid, .footer-grid { grid-template-columns: 1fr; }
    .hero-content h1 { font-size: 2.3rem; }
    .hero-content p { font-size: 1.1rem; }
    .newsletter-form { flex-direction: column; align-items: stretch; padding: 0 20px; }
    .newsletter-form input { width: 100%; }
}