/* --- HEADER & NAV --- */
.header {
    background-color: rgba(253, 252, 250, 0.8); /* Podría ser var(--bg-body) */
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 0 rgba(var(--black-rgb), 0.05);
    padding: 0.8rem 0;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    /* gap: -0.8rem; */
    font-family: "Playfair Display", serif;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary);
}

.logo-img-header {
    mix-blend-mode: multiply; 
    object-fit: contain;
}

.brand-icon {
    width: 40px;
    height: 40px;
    background-color: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.nav-menu {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-menu a {
    font-size: 1rem;
    color: var(--text-main);
    font-weight: 500;
}

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

.btn-nav {
    padding: 0.6rem 1.5rem !important;
    background-color: var(--primary);
    color: var(--white) !important;
    border-radius: var(--radius-full);
    transition: 0.3s;
}

.btn-nav:hover {
    background-color: var(--accent) !important;
    transform: translateY(-1px);
}

/* Toggle Móvil */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.nav-toggle span {
    width: 28px;
    height: 3px;
    background-color: var(--primary);
    border-radius: 3px;
    transition: 0.3s;
}

/* --- FOOTER --- */
.footer {
    background: var(--primary);
    color: rgba(var(--white-rgb), 0.8);
    padding: 4rem 0 2rem;
    text-align: center;
}

.footer-content h3 {
    color: var(--white);
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.footer-icon {
    font-size: 2.5rem;
    color: rgba(var(--white-rgb), 0.2);
    margin-bottom: 1rem;
}

.logo-img-footer {
    display: block;
    margin: 0 auto 0.5rem auto;
    height: auto;

    /* PROCESO: */
    /* 1. invert(1): El fondo BLANCO se vuelve NEGRO. El logo marrón se vuelve azulado. */
    /* 2. grayscale(1): Quitamos el color azulado para que sea gris/blanco. */
    /* 3. brightness(2): Forzamos que el logo brille hasta ser blanco puro. */
    filter: invert(1) grayscale(1) contrast(100) brightness(200%);
    /* 4. screen: Esta mezcla hace que todo lo NEGRO (el fondo) desaparezca. */
    mix-blend-mode: screen;
    
    opacity: 0.9;
}

.footer-description {
    max-width: 500px;
    padding-bottom: 20px;
    margin: 0 auto;
    color: rgba(var(--white-rgb), 0.7);
}

.footer-links-legal {
    margin: 1.5rem 0;
    font-size: 0.9rem;
}

.footer-links-legal a {
    color: rgba(var(--white-rgb), 0.6);
    margin: 0 0.5rem;
}

.footer-links-legal a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(var(--white-rgb), 0.1);
    padding-top: 2rem;
    font-size: 0.9rem;
}

.footer-bottom p {
    color: rgba(var(--white-rgb), 0.6); 
    margin: 0; 
}

/* --- WHATSAPP FLOTANTE --- */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    z-index: 1000;
    transition: all 0.3s ease;
}

.whatsapp-float:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 14px rgba(0,0,0,0.4);
}

/* --- COOKIE BANNER --- */
.cookie-banner {
    position: fixed;
    bottom: -100%; /* Empieza escondido */
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 -5px 20px rgba(0,0,0,0.1);
    padding: 1.5rem;
    z-index: 2000;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    transition: bottom 0.5s ease;
}

.cookie-banner.show {
    bottom: 0;
}

.cookie-content {
    max-width: 800px;
    font-size: 0.9rem;
    color: var(--text-light);
}

.cookie-btn {
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 0.8rem 2rem;
    border-radius: var(--radius-full);
    cursor: pointer;
    font-weight: 600;
    transition: 0.3s;
}

.cookie-btn:hover {
    background-color: var(--accent);
}

/* --- RESPONSIVE LAYOUT --- */
@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 25px;
    }

    .cookie-banner {
        flex-direction: column;
        text-align: center;
    }

    .nav-toggle {
        display: flex;
        z-index: 1002;
        width: 30px;
        height: 25px;
        justify-content: space-between;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: var(--white);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        padding: 2rem;
        transform: translateX(100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1001;
        box-shadow: -5px 0 15px rgba(var(--black-rgb), 0.1);
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 6px);
    }

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

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -6px);
    }
}

/* --- LOADER & UTILIDADES (Movido desde styles.css) --- */
.img-error {
    display: none;
}

.loading-screen {
    position: fixed;
    inset: 0;
    background: var(--bg-body);
    display: flex; /* Cambiado a flex por defecto, JS lo ocultará */
    align-items: center;
    justify-content: center;
    z-index: 9999;
}