/* =========================================
   HEADER
   Barra de navegación de todas las páginas.
   ========================================= */

:root {
    --header-gutter: clamp(1rem, 3.5vw, 4rem);
    --header-height: clamp(4.5rem, 5.5vw, 6rem);
    --header-nav-gap: clamp(0.75rem, 2.2vw, 2.5rem);
}

html { scroll-padding-top: var(--header-height); }

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
    background-color: var(--c-white);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 1px 12px rgba(0, 0, 0, 0.05);
}

/* Ocupa todo el ancho de la pantalla: el logo queda contra el margen
   izquierdo y las acciones contra el derecho, sin importar el monitor. */
.navbar__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--header-nav-gap);
    width: 100%;
    min-height: var(--header-height);
    padding: 0 var(--header-gutter);
}

.navbar__logo-link {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    transition: opacity 0.25s ease;
}

.navbar__logo-link:hover { opacity: 0.75; }

.navbar__logo {
    display: block;
    width: clamp(100px, 12vw, 175px);
    height: auto;
}

.navbar__actions {
    display: flex;
    align-items: center;
    gap: clamp(0.5rem, 1.8vw, 2rem);
}

.navbar :focus-visible {
    outline: 2px solid var(--c-red-main);
    outline-offset: 4px;
    border-radius: 4px;
}

/* ---------- Links de sección ---------- */

.nav-links {
    display: none;
    align-items: center;
    gap: var(--header-nav-gap);
}

.nav-links a {
    position: relative;
    padding: 0.4rem 0;
    color: var(--c-black-soft);
    font-size: clamp(0.875rem, 0.95vw, 1rem);
    font-weight: 600;
    line-height: 1.2;
    text-decoration: none;
    white-space: nowrap;
    transition: color 0.25s ease;
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    border-radius: 2px;
    background-color: var(--c-red-main);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.nav-links a:hover { color: var(--c-red-light); }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-links a.nav-links--active { color: var(--c-red-main); }
.nav-links a.nav-links--active::after { transform: scaleX(1); }

/* ---------- Redes ---------- */

.social-links {
    display: none;
    align-items: center;
    gap: 0.5rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    color: var(--c-black-soft);
    font-size: 1.05rem;
    text-decoration: none;
    transition: color 0.25s ease, background-color 0.25s ease;
}

.social-links a:hover {
    color: var(--c-red-main);
    background-color: rgba(204, 0, 0, 0.07);
}

/* ---------- Selector de idioma ---------- */

.lang-switcher {
    display: flex;
    align-items: center;
    gap: 2px;
    flex-shrink: 0;
    padding: 3px;
    border: 1px solid #e4e4e4;
    border-radius: 999px;
    background-color: var(--c-grey-light);
}

.lang-btn {
    border: none;
    border-radius: 999px;
    background: transparent;
    color: var(--c-grey-muted);
    font-family: inherit;
    font-size: clamp(0.62rem, 1.6vw, 0.7rem);
    font-weight: 700;
    letter-spacing: 0.08em;
    line-height: 1;
    text-transform: uppercase;
    padding: 0.5rem clamp(0.5rem, 2vw, 0.8rem);
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
}

/* Sobre el borde derecho de la pantalla el anillo de foco no tiene lugar. */
.lang-switcher :focus-visible { outline-offset: 2px; }

.lang-btn:hover { color: var(--c-red-main); }

.lang-btn.active {
    background-color: var(--c-red-main);
    color: var(--c-white);
}

/* ---------- Botón hamburguesa ---------- */

.hamburger-menu {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 0;
    border: none;
    background: none;
    cursor: pointer;
    z-index: 1001;
}

.hamburger-line {
    width: 24px;
    height: 2px;
    border-radius: 2px;
    background-color: var(--c-black-soft);
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), opacity 0.2s ease;
}

.hamburger-menu.active .hamburger-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger-menu.active .hamburger-line:nth-child(2) { opacity: 0; }
.hamburger-menu.active .hamburger-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Menú mobile ---------- */

/* Queda por debajo de la barra, que se dibuja encima con su propio fondo. */
.mobile-menu {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 998;
    padding-top: var(--header-height);
    background-color: var(--c-white);
    overflow-y: auto;
    overscroll-behavior: contain;
}

.mobile-menu.active {
    display: block;
    animation: navMenuIn 0.25s ease;
}

@keyframes navMenuIn {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.mobile-menu__content {
    display: flex;
    flex-direction: column;
    padding: 1rem var(--header-gutter) 3rem;
}

.mobile-menu__link {
    display: block;
    padding: 1.15rem 0;
    border-bottom: 1px solid #ededed;
    color: var(--c-black-soft);
    font-size: 1.05rem;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.2s ease;
}

.mobile-menu__link:hover { color: var(--c-red-main); }
.mobile-menu__link--active { color: var(--c-red-main); }

.mobile-menu__socials {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.mobile-menu__socials a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 50%;
    background-color: var(--c-grey-light);
    color: var(--c-black-soft);
    font-size: 1.15rem;
    text-decoration: none;
    transition: transform 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.mobile-menu__socials a:hover {
    background-color: rgba(204, 0, 0, 0.08);
    color: var(--c-red-main);
    transform: translateY(-2px);
}

/* Los cuatro títulos necesitan cerca de 1100px para entrar en una sola
   línea. Por debajo pasamos al menú desplegable en lugar de apretarlos. */
@media (min-width: 1100px) {
    .nav-links { display: flex; }
    .social-links { display: flex; }
    .hamburger-menu { display: none; }

    .mobile-menu,
    .mobile-menu.active { display: none; }
}

/* ---------- Variante taxímetros ---------- */

.taxi-theme .nav-links a:hover,
.taxi-theme .nav-links a.nav-links--active { color: var(--c-taxi-yellow); }

.taxi-theme .nav-links a::after { background-color: var(--c-taxi-yellow); }

.taxi-theme .lang-btn.active {
    background-color: var(--c-taxi-yellow);
    color: var(--c-taxi-black);
}

@media (prefers-reduced-motion: reduce) {
    .navbar__logo-link,
    .nav-links a,
    .nav-links a::after,
    .social-links a,
    .lang-btn,
    .hamburger-line,
    .mobile-menu__link,
    .mobile-menu__socials a {
        transition: none;
    }

    .mobile-menu.active { animation: none; }
}