/* Blog Base Styles - Variables y estilos base */
:root {
    /* Colores principales */
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --accent: #8b5cf6;
    --accent-dark: #7c3aed;
    
    /* Colores de fondo */
    --bg: #f8fafc;
    --card: #ffffff;
    --border: #e2e8f0;
    
    /* Colores de texto */
    --text: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    
    /* Sombras */
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 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);
    
    /* Transiciones */
    --transition: all 0.3s ease;
    
    /* Bordes */
    --radius: 8px;
    --radius-lg: 12px;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--bg);
}

/* Contenedor principal */
.wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header del blog */
.header {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text);
    font-weight: 700;
    font-size: 1.25rem;
}

.logo img {
    width: 40px;
    height: 40px;
}

.nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 0;
}

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

/* Menú hamburguesa para el blog */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    transition: var(--transition);
}

.mobile-menu-toggle:hover {
    background: rgba(59, 130, 246, 0.1);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Navegación móvil del blog */
.mobile-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--card);
    border-top: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    z-index: 99;
}

.mobile-nav.active {
    display: block;
}

.mobile-nav a {
    display: block;
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--border);
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.mobile-nav a:last-child {
    border-bottom: none;
}

.mobile-nav a:hover,
.mobile-nav a.active {
    color: var(--primary);
    background: rgba(59, 130, 246, 0.05);
}

/* Footer del blog */
.footer {
    background: var(--text);
    color: white;
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: white;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #cbd5e1;
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 1rem;
    text-align: center;
    color: #9ca3af;
}

/* ========================================
   RESPONSIVE DESIGN - BLOG
   ======================================== */

/* Tablet (768px - 1023px) */
@media (max-width: 1023px) {
    .wrap {
        padding: 0 1.5rem;
    }
    
    .header-content {
        padding: 0.75rem 0;
    }
}

/* Mobile Large (481px - 767px) */
@media (max-width: 767px) {
    .header-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding: 1rem 0;
    }
    
    .nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .wrap {
        padding: 0 1rem;
    }
    
    .logo {
        font-size: 1.1rem;
    }
    
    .logo img {
        width: 32px;
        height: 32px;
    }
}

/* Mobile Small (320px - 480px) */
@media (max-width: 480px) {
    .wrap {
        padding: 0 0.75rem;
    }
    
    .header-content {
        padding: 0.75rem 0;
    }
    
    .logo {
        font-size: 1rem;
    }
    
    .logo img {
        width: 28px;
        height: 28px;
    }
    
    .mobile-nav a {
        padding: 0.75rem 1rem;
        font-size: 1rem;
    }
}

/* Landscape Mobile */
@media (max-width: 767px) and (orientation: landscape) {
    .header-content {
        padding: 0.5rem 0;
    }
    
    .logo {
        font-size: 1rem;
    }
}