/* ========================================
   HEADER/NAV — COMPONENTE ÚNICO
   ======================================== */

nav { 
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 3rem; 
    display: flex; 
    justify-content: space-between; 
    align-items: center;
    z-index: 100;
    background: rgba(242, 242, 240, 0.95);
    backdrop-filter: blur(10px);
}

.logo a { 
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: -0.04em;
    text-transform: uppercase;
    text-decoration: none; 
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    gap: 3rem;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.nav-link {
    font-family: var(--font-tech);
    font-size: 0.7rem;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--text-primary);
    letter-spacing: 0.05em;
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

.nav-link:hover {
    opacity: 1;
}

/* Active state */
.nav-link.active {
    opacity: 1;
    border-bottom: 1px solid var(--text-primary);
    padding-bottom: 2px;
}

.nav-cta {
    font-family: var(--font-tech);
    font-size: 0.7rem;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--text-primary);
    border: 1px solid rgba(0,0,0, 0.15);
    padding: 0.6rem 1.2rem;
    transition: all 0.4s var(--easing);
    background: transparent;
}

.nav-cta:hover {
    background: #000;
    color: #fff;
    border-color: #000;
}

.nav-btn { 
    font-family: var(--font-tech);
    font-size: 0.7rem;
    text-transform: uppercase;
    border: 1px solid rgba(0,0,0, 0.2); 
    padding: 0.6rem 1.2rem; 
    text-decoration: none; 
    color: var(--text-primary);
    transition: all 0.4s var(--easing);
    background: rgba(255,255,255,0.5);
}

.nav-btn:hover { 
    background: #000; 
    color: #fff;
    border-color: #000;
}

/* Mobile menu */
.menu-toggle {
    display: none;
    background: none;
    border: 0;
    cursor: pointer;
    padding: 0.5rem;
    font-size: 1.5rem;
}

/* Mobile Responsive */
@media (max-width: 1024px) {
    .nav-links,
    .nav-cta {
        display: none;
    }
    
    .menu-toggle {
        display: block;
    }
    
    nav {
        padding: 1.5rem 2rem;
    }
}