/* =========================================================================
   HEADER COMPONENT - QTR
   Archivo: assets/css/components/header.css
   Descripción: Estilos del header y navegación principal
========================================================================= */

.header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-200);
    transition: var(--transition-base);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-4) 0;
}

/* ===== LOGO ===== */
.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
    transition: var(--transition-base);
    filter: invert(29%) sepia(100%) saturate(7483%) hue-rotate(191deg) brightness(102%) contrast(101%)
}

.logo:hover {
    color: var(--color-primary-dark);
}

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

/* ===== NAVEGACIÓN PRINCIPAL ===== */
.nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
}

.nav-link {
    font-weight: 500;
    color: var(--color-gray-600);
    transition: var(--transition-base);
    position: relative;
    padding: var(--spacing-2) 0;
}

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

/* Underline effect */
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* ===== CTA HEADER ===== */
.cta-header {
    background: var(--color-accent);
    color: white;
    padding: var(--spacing-3) var(--spacing-5);
    border-radius: var(--radius-lg);
    font-weight: 600;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
}

.cta-header:hover {
    background: #b91c1c;
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.cta-header i {
    font-size: 1rem;
}

/* ===== BREADCRUMBS ===== */
.breadcrumbs {
    background: var(--color-gray-50);
    padding: var(--spacing-4) 0;
    border-bottom: 1px solid var(--color-gray-200);
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.breadcrumb-item a {
    color: var(--color-primary);
    transition: var(--transition-base);
}

.breadcrumb-item a:hover {
    color: var(--color-primary-dark);
}

.breadcrumb-separator {
    color: var(--color-gray-400);
    font-size: var(--font-size-xs);
}

/* ===== MENÚ MÓVIL ===== */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-gray-700);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--spacing-2);
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .nav {
        gap: var(--spacing-6);
    }
    
    .cta-header {
        padding: var(--spacing-2) var(--spacing-4);
        font-size: var(--font-size-xs);
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        border-top: 1px solid var(--color-gray-200);
        box-shadow: var(--shadow-lg);
        flex-direction: column;
        padding: var(--spacing-4) 0;
        gap: 0;
    }
    
    .nav.show {
        display: flex;
    }
    
    .nav-link {
        padding: var(--spacing-4) var(--spacing-6);
        border-bottom: 1px solid var(--color-gray-100);
        width: 100%;
    }
    
    .nav-link::after {
        display: none;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .cta-header {
        display: none;
    }
    
    .logo {
        font-size: var(--font-size-lg);
    }
    
    .logo img {
        height: 32px;
    }
}

@media (max-width: 480px) {
    .header-content {
        padding: var(--spacing-3) 0;
    }
    
    .breadcrumb-list {
        font-size: var(--font-size-xs);
        gap: var(--spacing-2);
    }
}

/* ===== ESTADOS ESPECIALES ===== */
.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-base);
}