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

body {
    font-family: 'Montserrat', sans-serif;
    color: #333;
    line-height: 1.6;
}

/* Header Estilo Premium */
.main-header {
    background: #ffffff;
    padding: 20px 5%;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid #eee;
}

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

.brand {
    font-weight: 700;
    letter-spacing: 2px;
}

.brand span {
    color: #a5a5a5;
    font-weight: 300;
}

.nav-link {
    background: none;
    border: none;
    font-weight: 600;
    cursor: pointer;
    margin-right: 25px;
    letter-spacing: 1px;
}

.btn-primary {
    background: #222;
    color: #fff;
    padding: 12px 24px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: 0.4s;
}

.btn-primary:hover {
    background: #444;
}

/* Hero Section con Imagen */
.hero-concept {
    height: 90vh;
    background: url('https://images.unsplash.com/photo-1503387762-592deb58ef4e?auto=format&fit=crop&q=80') center/cover no-repeat;
    display: flex;
    align-items: center;
    color: #fff;
}

.overlay {
    background: rgba(0, 0, 0, 0.4);
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
}

.content-limit {
    max-width: 800px;
    padding: 0 5%;
}

.since-tag {
    font-size: 0.9rem;
    letter-spacing: 3px;
    border-bottom: 2px solid #fff;
    padding-bottom: 5px;
}

h1 {
    font-size: 3.5rem;
    margin: 20px 0;
    font-weight: 300;
    text-transform: uppercase;
}

.separator {
    width: 60px;
    border: 1px solid #fff;
    margin-bottom: 30px;
}

.story-highlight {
    font-size: 1.2rem;
    font-weight: 300;
    margin-bottom: 20px;
}

.argument-logic {
    font-size: 1rem;
    color: #ddd;
    border-left: 3px solid #fff;
    padding-left: 20px;
}

/* Modales Refinados */
.modal {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.8);
    z-index: 1000;
}

.modal-content {
    background: #fff;
    width: 90%;
    max-width: 450px;
    margin: 10% auto;
    padding: 40px;
    text-align: center;
    border-radius: 2px;
}

.modal-title {
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 25px;
}

.modal-form input {
    width: 100%;
    padding: 15px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
}

.btn-submit {
    width: 100%;
    padding: 15px;
    background: #222;
    color: #fff;
    border: none;
    cursor: pointer;
}

.close {
    float: right;
    font-size: 24px;
    cursor: pointer;
}

/* Sección de Artículos */
.catalog-section {
    padding: 80px 5%;
    background-color: #f9f9f9;
}

.section-title {
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 50px;
    font-weight: 700;
    position: relative;
}

.section-title::after {
    content: '';
    width: 50px;
    height: 3px;
    background: #222;
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.product-card {
    background: #fff;
    border: 1px solid #eee;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

.product-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

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

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(34, 34, 34, 0.9);
    color: #fff;
    padding: 5px 12px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.product-info {
    padding: 25px;
}

.product-info h3 {
    font-size: 1.1rem;
    text-transform: uppercase;
    margin-bottom: 15px;
    letter-spacing: 1px;
}

.product-info p {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 20px;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #eee;
    padding-top: 15px;
}

.price {
    font-size: 0.8rem;
    font-weight: 700;
    color: #999;
}

.btn-detail {
    background: none;
    border: 1px solid #222;
    padding: 8px 15px;
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    transition: 0.3s;
}

.btn-detail:hover {
    background: #222;
    color: #fff;
}

/* Estilos específicos para la sección de historia */
.history-wrapper {
    max-width: 1100px;
    margin: 0 auto;
}

.history-header {
    text-align: center;
    margin-bottom: 50px;
}

.history-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.history-content h3 {
    font-size: 1.8rem;
    font-weight: 300;
    margin-bottom: 20px;
    text-transform: uppercase;
    color: #222;
}

.history-stats {
    display: flex;
    gap: 30px;
    margin-top: 40px;
    border-top: 1px solid #eee;
    padding-top: 20px;
}

.stat-item strong {
    display: block;
    font-size: 1.5rem;
    color: #222;
}

.stat-item span {
    font-size: 0.8rem;
    color: #888;
    text-transform: uppercase;
}

.image-overlay-box {
    position: relative;
    box-shadow: 20px 20px 0px #f0f0f0; /* Efecto de diseño arquitectónico */
}

.image-overlay-box img {
    width: 100%;
    display: block;
    filter: grayscale(30%);
}

.floating-badge {
    position: absolute;
    bottom: -15px;
    left: -15px;
    background: #222;
    color: #fff;
    padding: 10px 20px;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

/* Responsive para celulares */
@media (max-width: 768px) {
    .history-grid {
        grid-template-columns: 1fr;
    }
    .image-overlay-box {
        box-shadow: none;
    }
}