/* Variables globales */
:root {
    --primary-color: #00bcd4;
    --secondary-color: #4ecdc4;
    --text-color: #2d3436;
    --background-color: #ffffff;
    --header-height: 100px;
    --container-width: 1200px;
    --border-radius: 16px;
    --transition-speed: 0.3s;
}

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

/* Estilos base críticos */
html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    opacity: 1 !important;
    visibility: visible !important;
    background: var(--background-color);
    margin: 0;
    padding: 0;
    font-family: 'Montserrat', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Header crítico */
.cd-main-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    background: var(--background-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 0 2rem;
}

/* Contenido principal */
.cd-main-content {
    padding: 2rem 0;
    position: relative;
    background: #fff;
    min-height: 100%;
    z-index: 2;
}

/* Grid de artículos */
.post-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(325px, 1fr));
    gap: 2rem;
    padding: 2% 0;
    max-width: var(--container-width);
    margin: 0 auto;
    width: 100%;
}


/* Optimizaciones de rendimiento críticas */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Animaciones Críticas */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn var(--transition-speed) ease-in;
}
/* Responsive crítico */
@media only screen and (max-width: 1170px) {
    .post-grid {
        grid-template-columns: repeat(2, minmax(300px, 1fr));
        gap: 2rem;
        padding: 2% 1rem;
    }
}

@media only screen and (max-width: 768px) {
    .post-grid {
        grid-template-columns: minmax(300px, 1fr);
        gap: 2rem;
        padding: 2% 1rem;
    }
    
    .product-box,
    .antevenio.no-margin {
        min-width: 300px;
    }
    
    .cd-main-header {
        padding: 0 1rem;
    }
}

/* Header crítico */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: var(--background-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    z-index: 1000;
}

.header-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo y título */
.logo-container {
    display: flex;
    align-items: center;
}

.site-title {
    font-size: 1.5rem;
    font-weight: 700;
}

.site-title a {
    color: var(--text-color);
    text-decoration: none;
}

/* Navegación crítica */
.main-navigation {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-speed);
}

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

/* Contenedor principal */
.site-content {
    margin-top: var(--header-height);
    padding: 2rem 0;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1rem;
}

/* Grid de artículos crítico */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.article-card {
    background: #fff;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* Responsive crítico */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .header-container {
        padding: 0 1rem;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
}

/* Utilidades */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}