/* ==========================================================================
   OnTruck — Header sticky con mega-menú de ediciones
   ========================================================================== */

.header {
    position: sticky;
    top: 0;
    z-index: 900;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid transparent;
    transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}

.header.is-scrolled {
    border-bottom-color: var(--line);
    box-shadow: 0 4px 20px rgba(7, 27, 52, .06);
}

.header__inner {
    display: flex;
    align-items: center;
    gap: 20px;
    height: var(--header-h);
}

/* --- Logo ---------------------------------------------------------------- */

.brand {
    display: flex;
    align-items: center;
    flex: none;
    margin-right: auto;
}

.brand img {
    height: 34px;
    width: auto;
}

/* --- Navegación ---------------------------------------------------------- */

.nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    border-radius: var(--r-sm);
    font-size: .9375rem;
    font-weight: 700;
    color: var(--ink);
    white-space: nowrap;
    transition: background .2s var(--ease), color .2s var(--ease);
}

.nav__link:hover,
.nav__item.is-open > .nav__link {
    background: var(--surface);
    color: var(--ink);
}

.nav__link[aria-current="page"] { color: var(--blue-500); }

.nav__link svg {
    width: 14px;
    height: 14px;
    transition: transform .25s var(--ease);
}

.nav__item.is-open > .nav__link svg { transform: rotate(180deg); }

.nav__item { position: relative; }

/* --- Mega menú ----------------------------------------------------------- */

.mega {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translate(-50%, 10px);
    width: min(760px, 92vw);
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    background: var(--white);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: opacity .24s var(--ease), transform .24s var(--ease), visibility .24s;
}

.nav__item.is-open .mega {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
}

.mega__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

.mega__card {
    display: block;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    background: var(--white);
    transition: border-color .22s var(--ease), background .22s var(--ease),
                transform .22s var(--ease);
}

.mega__card:hover {
    transform: translateY(-3px);
    border-color: rgba(0, 104, 200, .3);
    background: var(--surface);
}

.mega__tag {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin-bottom: 12px;
    padding: 5px 12px;
    border-radius: var(--r-pill);
    font-size: .75rem;
    font-weight: 800;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.mega__tag--pro { background: var(--green-050); color: var(--green-600); }
.mega__tag--dealer { background: var(--blue-050); color: var(--blue-600); }

.mega__card h4 {
    margin-bottom: 6px;
    font-size: 1.0625rem;
    color: var(--ink);
}

.mega__card p {
    font-size: .875rem;
    line-height: 1.5;
    color: var(--body);
}

.mega__card .link-arrow {
    margin-top: 14px;
    font-size: .875rem;
}

.mega__list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4px;
}

.mega__link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: var(--r-sm);
    color: var(--ink);
    transition: background .18s var(--ease);
}

.mega__link:hover { background: var(--surface); color: var(--ink); }

.mega__link svg {
    width: 20px;
    height: 20px;
    flex: none;
    color: var(--blue-500);
}

.mega__link span { font-size: .9375rem; font-weight: 700; }
.mega__link small { display: block; font-size: .8125rem; font-weight: 400; color: var(--muted); }

/* --- Acciones ------------------------------------------------------------ */

.header__actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: none;
}

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

.burger {
    display: none;
    place-items: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--white);
    color: var(--ink);
    cursor: pointer;
}

.burger svg { width: 22px; height: 22px; }
.burger .burger__close { display: none; }
.burger.is-active .burger__open { display: none; }
.burger.is-active .burger__close { display: block; }

/* --- Drawer móvil -------------------------------------------------------- */

.drawer {
    position: fixed;
    inset: var(--header-h) 0 0 0;
    z-index: 890;
    display: flex;
    flex-direction: column;
    padding: 24px var(--gutter) 40px;
    background: var(--white);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
}

.drawer.is-open {
    opacity: 1;
    visibility: visible;
    transform: none;
}

.drawer__section + .drawer__section {
    margin-top: 22px;
    padding-top: 22px;
    border-top: 1px solid var(--line);
}

.drawer__title {
    margin-bottom: 12px;
    font-size: .75rem;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--muted);
}

.drawer__link {
    display: block;
    padding: 12px 0;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--ink);
}

.drawer__link:hover { color: var(--blue-500); }

.drawer .btn { margin-top: 8px; }

body.is-locked { overflow: hidden; }