/* ================================
   HEADER / sitMI
   Comportamiento visual basado en LEGACY header2.css
================================ */

.site-header {
    position: relative;
    z-index: 1000;
    width: 100%;
    height: 100px;
    color: var(--blanco);
    background: var(--azul-prusiano);
    border-bottom: 3px solid var(--darkorange);
}

.site-header__contenido {
    position: relative;
    width: 100%;
    height: 100%;
    padding: 0 clamp(20px, 2.4vw, 48px);
}

/* ZONAS ESTRUCTURALES */

.site-header__zona {
    min-width: 0;
}

.site-header__zona--izquierda {
    position: absolute;
    left: clamp(20px, 2.4vw, 48px);
    top: 50%;
    z-index: 100;
    transform: translateY(-50%);
}

.site-header__zona--centro {
    position: absolute;
    left: 50%;
    top: 50%;
    z-index: 90;
    transform: translate(-50%, -50%);
}

.site-header__zona--derecha {
    position: absolute;
    right: clamp(20px, 2.4vw, 48px);
    top: 50%;
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 18px;
    transform: translateY(-50%);
}

/* LOGO */

.site-header__marca {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 220px;
    height: 90px;
    text-decoration: none;
}

.site-header__logo {
    display: block;
    width: 220px;
    max-width: 100%;
    max-height: 90px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

/* ================================
   MENÚ HAMBURGUESA / DESPLEGABLE
================================ */

.site-nav {
    position: relative;
    z-index: 1300;
}

.menu-toggle {
    position: relative;
    z-index: 1302;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 42px;
    border: 1px solid rgba(255, 255, 255, 0.68);
    border-radius: 2px;
    color: var(--blanco);
    background: transparent;
    cursor: pointer;
}

.menu-toggle:hover,
.menu-toggle:focus {
    background: rgba(255, 255, 255, 0.12);
    outline: none;
}

.menu-toggle__lineas,
.menu-toggle__lineas::before,
.menu-toggle__lineas::after {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--blanco);
}

.menu-toggle__lineas {
    position: relative;
}

.menu-toggle__lineas::before,
.menu-toggle__lineas::after {
    position: absolute;
    left: 0;
    content: "";
}

.menu-toggle__lineas::before {
    top: -8px;
}

.menu-toggle__lineas::after {
    top: 8px;
}

/* Menú desplegado hacia abajo */

.site-nav__lista {
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    z-index: 1301;
    width: 230px;
    max-width: calc(100vw - 32px);
    height: auto;
    margin: 0;
    padding: 0;
    overflow: visible;
    list-style: none;
    color: var(--blanco);
    background: #2f3336;
    border-top: 3px solid var(--darkorange);
    box-shadow: 4px 10px 18px rgba(0, 0, 0, 0.34);
}

.site-nav__lista[hidden] {
    display: none;
}

.site-nav__lista li {
    margin: 0;
    padding: 0;
}

.site-nav__lista a {
    display: block;
    padding: 11px 18px;
    color: var(--blanco);
    font-size: 0.88rem;
    font-weight: 700;
    line-height: 1.15;
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.site-nav__lista li:last-child a {
    border-bottom: none;
}

.site-nav__lista a:hover,
.site-nav__lista a:focus {
    background: rgba(255, 255, 255, 0.12);
}

/* BUSCADOR */

.search-wrapper {
    position: absolute;
    top: 50%;
    right: max(170px, calc((100vw - 1420px) / 2));
    z-index: 95;
    display: flex;
    align-items: center;
    transform: translateY(-50%);
}

.search-form {
    display: block;
    position: relative;
}

.site-search__label {
    display: block;
    margin-bottom: 4px;
    color: var(--blanco);
    font-size: 0.82rem;
    font-weight: 700;
}

.search-form__fila {
    display: flex;
    align-items: stretch;
    flex-wrap: nowrap;
}

.search-form input[type="search"] {
    width: 230px;
    min-width: 0;
    padding: 7px 10px;
    border: 1px solid rgba(255, 255, 255, 0.72);
    border-right: 0;
    border-radius: 3px 0 0 3px;
    font: 0.88rem Arial, Helvetica, sans-serif;
    outline: none;
}

.search-form button[type="submit"] {
    padding: 7px 12px;
    border: 1px solid rgba(255, 255, 255, 0.72);
    border-radius: 0 3px 3px 0;
    color: var(--azul-prusiano);
    background: var(--blanco);
    font: 800 0.84rem Arial, Helvetica, sans-serif;
    cursor: pointer;
    white-space: nowrap;
}

.search-toggle-icon {
    display: none;
}

/* ACCESO */

.site-header__acceso {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 96px;
    min-height: 44px;
    padding: 0 18px;
    border-radius: 4px;
    color: var(--azul-prusiano);
    background: var(--blanco);
    font-size: 0.86rem;
    font-weight: 900;
    letter-spacing: 0.02em;
    text-decoration: none;
    white-space: nowrap;
}

.site-header__acceso:hover,
.site-header__acceso:focus {
    color: var(--azul-prusiano);
    background: #edf4f8;
}

/* ================================
   RESPONSIVE HEADER
================================ */

/* Pantallas medianas */
@media (max-width: 1440px) {
    .site-header__marca,
    .site-header__logo {
        width: 200px;
    }

    .search-wrapper {
        right: 170px;
    }

    .search-form input[type="search"] {
        width: 190px;
    }

    .site-header__zona--derecha {
        gap: 14px;
    }
}

/* Tablet horizontal / pantallas intermedias */
@media (max-width: 1024px) {
    .site-header {
        height: 92px;
    }

    .site-header__contenido {
        padding: 0 18px;
    }

    .site-header__zona--izquierda {
        left: 18px;
        top: 50%;
        transform: translateY(-50%);
    }

    .site-header__zona--derecha {
        right: 18px;
        top: 50%;
        gap: 12px;
        transform: translateY(-50%);
    }

    .site-header__marca,
    .site-header__logo {
        width: 170px;
        height: 74px;
        max-height: 74px;
    }

    .menu-toggle {
        width: 44px;
        height: 40px;
    }

    .menu-toggle__lineas,
    .menu-toggle__lineas::before,
    .menu-toggle__lineas::after {
        width: 25px;
        height: 2px;
    }

    .menu-toggle__lineas::before {
        top: -8px;
    }

    .menu-toggle__lineas::after {
        top: 8px;
    }

    .search-wrapper {
        right: 132px;
    }

    .search-form input[type="search"] {
        width: 145px;
    }

    .site-header__acceso {
        min-width: 82px;
        min-height: 40px;
        padding: 0 12px;
        font-size: 0.78rem;
    }

    .site-nav__lista {
        top: calc(100% + 10px);
        width: 225px;
        height: auto;
        max-height: none;
    }
}

/* Tablet vertical / pantallas chicas */
@media (max-width: 768px) {
    .site-header {
        height: 86px;
    }

    .site-header__contenido {
        padding: 0 16px;
    }

    .site-header__zona--izquierda {
        left: 16px;
        top: calc(50% - 2px);
        transform: translateY(-50%);
    }

    .site-header__zona--derecha {
        right: 16px;
        top: 50%;
        gap: 10px;
        transform: translateY(-50%);
    }

    .site-header__marca,
    .site-header__logo {
        width: 145px;
        height: 62px;
        max-height: 62px;
    }

    .menu-toggle {
        width: 40px;
        height: 34px;
    }

    .menu-toggle__lineas,
    .menu-toggle__lineas::before,
    .menu-toggle__lineas::after {
        width: 23px;
        height: 2px;
    }

    .menu-toggle__lineas::before {
        top: -7px;
    }

    .menu-toggle__lineas::after {
        top: 7px;
    }

    .search-wrapper {
        position: relative;
        top: auto;
        right: auto;
        display: flex;
        align-items: center;
        transform: none;
    }

    .search-toggle-icon {
        position: relative;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 42px;
        height: 40px;
        border: 1px solid rgba(255, 255, 255, 0.68);
        border-radius: 4px;
        background: rgba(255, 255, 255, 0.12);
        cursor: pointer;
    }

    .search-toggle-icon::before {
        content: "🔍";
        font-size: 18px;
        line-height: 1;
    }

    .search-form {
        position: absolute;
        top: calc(100% + 8px);
        right: 0;
        display: none;
        min-width: 230px;
        padding: 8px;
        border-top: 3px solid var(--darkorange);
        background: var(--azul-prusiano);
        box-shadow: 0 10px 22px rgba(0, 0, 0, 0.25);
    }

    .search-wrapper.expanded .search-form {
        display: block;
    }

    .search-wrapper.expanded .search-toggle-icon {
        background: rgba(255, 255, 255, 0.24);
    }

    .search-form input[type="search"] {
        width: 170px;
    }

    .site-header__acceso {
        min-width: 80px;
        min-height: 40px;
        padding: 0 10px;
        font-size: 0.74rem;
    }

    .site-nav__lista {
        top: calc(100% + 9px);
        width: 220px;
        height: auto;
        max-height: none;
    }
}

/* Móvil */
@media (max-width: 520px) {
    .site-header {
        height: 78px;
    }

    .site-header__contenido {
        padding: 0 12px;
    }

    .site-header__zona--izquierda {
        left: 12px;
        top: calc(50% - 2px);
        transform: translateY(-50%);
    }

    .site-header__zona--derecha {
        right: 12px;
        top: 50%;
        gap: 7px;
        transform: translateY(-50%);
    }

    .site-header__marca,
    .site-header__logo {
        width: 118px;
        height: 52px;
        max-height: 52px;
    }

    .menu-toggle {
        width: 36px;
        height: 32px;
    }

    .menu-toggle__lineas,
    .menu-toggle__lineas::before,
    .menu-toggle__lineas::after {
        width: 21px;
        height: 2px;
    }

    .menu-toggle__lineas::before {
        top: -6px;
    }

    .menu-toggle__lineas::after {
        top: 6px;
    }

    .site-header__acceso {
        min-width: 68px;
        min-height: 36px;
        padding: 0 8px;
        font-size: 0.66rem;
    }

    .search-toggle-icon {
        width: 38px;
        height: 36px;
    }

    .search-form {
        right: -74px;
        min-width: 230px;
    }

    .site-nav__lista {
        top: calc(100% + 8px);
        width: 215px;
        height: auto;
        max-height: none;
    }
}