/* ============================================================
   HEADER.CSS · Reset, variables, utilidades, header, mega menú,
   buscador y carrito
   Ubicación: /assets/css/header.css
   ============================================================ */

/* ---------------- 1. VARIABLES ---------------- */
:root {
    /* Acento de marca */
    --vino: #8b262a;
    --vino-hover: #6f1d21;
    --vino-suave: rgba(139, 38, 42, .08);
    --dorado: #c98b2c;

    /* Neutros */
    --negro: #111111;
    --negro-hover: #2a2a2a;

    --gris-oscuro: #111111;
    --gris: #666666;
    --gris-medio: #999999;
    --gris-linea: #e5e5e5;
    --gris-fondo: #f5f5f5;
    --blanco: #ffffff;

    --fuente-titulo: 'Playfair Display', Georgia, serif;
    --fuente-texto: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --contenedor: 1200px;
    --radio: 16px;
    --radio-sm: 10px;

    --sombra-sm: 0 2px 10px rgba(0, 0, 0, .05);
    --sombra: 0 12px 32px rgba(0, 0, 0, .08);
    --sombra-lg: 0 24px 60px rgba(0, 0, 0, .14);

    --transicion: .32s cubic-bezier(.4, 0, .2, 1);
}

/* ---------------- 2. RESET ---------------- */
*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--fuente-texto);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gris);
    background: var(--blanco);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input { font-family: inherit; }
address { font-style: normal; }

/* ---------------- 3. UTILIDADES ---------------- */
.contenedor {
    width: 100%;
    max-width: var(--contenedor);
    margin-inline: auto;
    padding-inline: 20px;
}

.visualmente-oculto {
    position: absolute !important;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.saltar-contenido {
    position: absolute;
    top: -60px;
    left: 12px;
    padding: 12px 20px;
    background: var(--negro);
    color: #fff;
    border-radius: var(--radio-sm);
    z-index: 9999;
    font-weight: 600;
    transition: top var(--transicion);
}

.saltar-contenido:focus { top: 12px; }

.revelar {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity .7s cubic-bezier(.4, 0, .2, 1),
                transform .7s cubic-bezier(.4, 0, .2, 1);
    will-change: opacity, transform;
}

.revelar.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .revelar { opacity: 1; transform: none; transition: none; }
    *, *::before, *::after {
        animation-duration: .001ms !important;
        transition-duration: .001ms !important;
    }
}

/* ---------------- 4. BOTONES ---------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    font-family: var(--fuente-texto);
    font-size: .9rem;
    font-weight: 600;
    letter-spacing: .02em;
    border-radius: 999px;
    border: 1.5px solid transparent;
    transition: background var(--transicion), color var(--transicion),
                border-color var(--transicion), transform var(--transicion),
                box-shadow var(--transicion);
    cursor: pointer;
    text-align: center;
    white-space: nowrap;
}

.btn:focus-visible {
    outline: 3px solid var(--negro);
    outline-offset: 3px;
}

/* Primario: negro → vino en hover */
.btn--vino {
    background: var(--negro);
    color: #fff;
    border-color: var(--negro);
}

.btn--vino:hover {
    background: var(--vino);
    border-color: var(--vino);
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(139, 38, 42, .28);
}

.btn--vino:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(139, 38, 42, .22);
}

/* Secundario: contorno negro → relleno negro */
.btn--outline {
    background: transparent;
    color: var(--negro);
    border-color: var(--negro);
}

.btn--outline:hover {
    background: var(--negro);
    border-color: var(--negro);
    color: #fff;
    transform: translateY(-2px);
}

/* Invertido: para fondos oscuros */
.btn--blanco {
    background: #fff;
    color: var(--negro);
    border-color: #fff;
}

.btn--blanco:hover {
    background: var(--gris-fondo);
    border-color: var(--gris-fondo);
    transform: translateY(-2px);
}

.btn--sm { padding: 10px 20px; font-size: .82rem; }
.btn--full { width: 100%; }

/* ============================================================
   5. HEADER
   ============================================================ */
.barra-superior {
    background: var(--negro);
    color: rgba(255, 255, 255, .85);
    font-size: .74rem;
    letter-spacing: .04em;
}

.barra-superior__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-block: 8px;
    gap: 16px;
}

.barra-superior__texto {
    display: flex;
    align-items: center;
    gap: 8px;
}

.barra-superior__redes {
    display: flex;
    gap: 14px;
    align-items: center;
}

.barra-superior__redes a {
    opacity: .75;
    transition: opacity var(--transicion), color var(--transicion);
    display: inline-flex;
}

.barra-superior__redes a:hover { opacity: 1; color: #fff; }

/* -------- Barra principal STICKY -------- */
.cabecera__principal {
    position: sticky;
    top: 0;
    z-index: 900;
    background: #fff;
    border-bottom: 1px solid var(--gris-linea);
    padding-block: 14px;
    transition: box-shadow var(--transicion);
}

.cabecera__principal.scrolled {
    box-shadow: 0 8px 28px rgba(0, 0, 0, .06);
}

.cabecera__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

/* -------- Logo -------- */
.logo {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    transition: transform var(--transicion), opacity var(--transicion);
}

.logo:hover { transform: translateY(-1px); }

.logo img {
    display: block;
    height: 52px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
}

@media (max-width: 960px) {
    .logo img { height: 46px; max-width: 170px; }
}

@media (max-width: 540px) {
    .logo img { height: 40px; max-width: 140px; }
}

/* ============================================================
   6. NAVEGACIÓN PRINCIPAL Y MEGA MENÚ
   ============================================================ */
.nav-principal {
    flex: 1;
    display: flex;
    justify-content: center;
}

.menu {
    display: flex;
    align-items: center;
    gap: 6px;
}

.menu__item { position: relative; }

.menu__enlace {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    font-size: .88rem;
    font-weight: 500;
    color: var(--gris);
    border-radius: 999px;
    transition: background var(--transicion), color var(--transicion);
}

.menu__enlace:hover,
.menu__enlace.activo {
    background: var(--gris-fondo);
    color: var(--negro);
}

.menu__chevron { transition: transform var(--transicion); }

.menu__item--mega[data-abierto="true"] .menu__chevron {
    transform: rotate(180deg);
}

/* -------- Mega panel -------- */
.mega-menu {
    --mega-offset-x: 0px;
    position: absolute;
    top: calc(100% + 16px);
    left: calc(50% + var(--mega-offset-x));
    transform: translateX(-50%) translateY(8px);
    width: 640px;
    max-width: calc(100vw - 48px);
    padding: 28px;
    background: #fff;
    border-radius: var(--radio);
    box-shadow: var(--sombra-lg);
    border: 1px solid var(--gris-linea);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transicion), transform var(--transicion), visibility var(--transicion);
    z-index: 950;
}

.menu__item--mega[data-abierto="true"] .mega-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.menu__item--mega::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 20px;
    pointer-events: none;
}

.menu__item--mega[data-abierto="true"]::after {
    pointer-events: auto;
}

.mega-menu__grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1.2fr;
    gap: 28px;
}

.mega-menu__titulo {
    font-family: var(--fuente-texto);
    font-size: .7rem;
    font-weight: 600;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--negro);
    margin-bottom: 14px;
}

.mega-menu__lista { display: grid; gap: 8px; }

.mega-menu__lista a {
    font-size: .9rem;
    color: var(--gris);
    padding: 4px 0;
    display: inline-block;
    transition: color var(--transicion), transform var(--transicion);
}

.mega-menu__lista a:hover {
    color: var(--negro);
    transform: translateX(4px);
}

.mega-menu__vertodo {
    display: inline-block;
    margin-top: 16px;
    font-size: .82rem;
    font-weight: 600;
    color: var(--negro);
    border-bottom: 1px solid transparent;
    transition: border-color var(--transicion);
}

.mega-menu__vertodo:hover { border-color: var(--negro); }

.mega-menu__promo {
    display: flex;
    flex-direction: column;
    border-radius: var(--radio-sm);
    overflow: hidden;
    position: relative;
    background: var(--gris-fondo);
    transition: transform var(--transicion);
}

.mega-menu__promo:hover { transform: translateY(-3px); }

.mega-menu__promo img {
    width: 100%;
    height: 140px;
    object-fit: cover;
}

.mega-menu__promo-txt {
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.mega-menu__promo-txt strong {
    font-size: .92rem;
    color: var(--negro);
}

.mega-menu__promo-txt small {
    font-size: .74rem;
    color: var(--vino);
    font-weight: 500;
    letter-spacing: .04em;
}

/* ============================================================
   7. ACCIONES DE CABECERA
   ============================================================ */
.cabecera__acciones {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

/* -------- Buscador desktop -------- */
.buscador {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 14px;
    background: var(--gris-fondo);
    border: 1px solid var(--gris-linea);
    border-radius: 999px;
    width: 220px;
    transition: border-color var(--transicion), background var(--transicion), width var(--transicion);
}

.buscador:focus-within {
    border-color: var(--negro);
    background: #fff;
    width: 280px;
}

.buscador__icono {
    color: var(--gris-medio);
    flex-shrink: 0;
}

.buscador__input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: .85rem;
    color: var(--negro);
    outline: none;
    min-width: 0;
}

.buscador__input::placeholder { color: var(--gris-medio); }
.buscador__input::-webkit-search-cancel-button { display: none; }

.buscador__resultados {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 340px;
    max-width: calc(100vw - 40px);
    background: #fff;
    border: 1px solid var(--gris-linea);
    border-radius: var(--radio-sm);
    box-shadow: var(--sombra-lg);
    max-height: 420px;
    overflow-y: auto;
    z-index: 950;
}

.buscador__item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--gris-linea);
    transition: background var(--transicion);
    cursor: pointer;
}

.buscador__item:last-child { border-bottom: 0; }
.buscador__item:hover { background: var(--gris-fondo); }

.buscador__item img {
    width: 42px;
    height: 42px;
    object-fit: cover;
    border-radius: 6px;
    flex-shrink: 0;
    background: var(--gris-fondo);
}

.buscador__item-txt { flex: 1; min-width: 0; }

.buscador__item-nombre {
    font-size: .84rem;
    font-weight: 600;
    color: var(--negro);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.buscador__item-precio {
    font-size: .78rem;
    color: var(--vino);
    font-weight: 600;
}

.buscador__vacio {
    padding: 20px;
    text-align: center;
    font-size: .85rem;
    color: var(--gris-medio);
}

/* -------- Buscador móvil (dentro del menú) -------- */
.buscador-movil {
    display: none;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--gris-fondo);
    border: 1px solid var(--gris-linea);
    border-radius: var(--radio-sm);
    margin-bottom: 20px;
}

.buscador-movil svg { color: var(--gris-medio); flex-shrink: 0; }

.buscador-movil input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: .9rem;
    color: var(--negro);
    outline: none;
    min-width: 0;
}

/* -------- Botón icono (carrito) -------- */
.btn-icono {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    color: var(--negro);
    transition: background var(--transicion), color var(--transicion);
    flex-shrink: 0;
}

.btn-icono:hover {
    background: var(--gris-fondo);
    color: var(--negro);
}

.btn-icono:focus-visible {
    outline: 3px solid var(--negro);
    outline-offset: 2px;
}

.btn-icono__badge {
    position: absolute;
    top: 2px;
    right: 2px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    background: var(--vino);
    color: #fff;
    font-size: .65rem;
    font-weight: 700;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.btn-icono__badge[hidden] { display: none; }

@keyframes btnPulse {
    0%   { transform: scale(1); }
    50%  { transform: scale(1.15); }
    100% { transform: scale(1); }
}

.btn-icono.pulse { animation: btnPulse .4s ease; }

/* -------- Hamburguesa -------- */
.hamburguesa {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    border-radius: var(--radio-sm);
    border: 1px solid var(--gris-linea);
    transition: background var(--transicion);
    flex-shrink: 0;
}

.hamburguesa span {
    display: block;
    width: 20px;
    height: 2px;
    margin-inline: auto;
    background: var(--negro);
    border-radius: 2px;
    transition: transform var(--transicion), opacity var(--transicion);
}

.hamburguesa[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.hamburguesa[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburguesa[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.velo-menu {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .5);
    z-index: 890;
    opacity: 0;
    transition: opacity var(--transicion);
}

.velo-menu[hidden] { display: none; }
.velo-menu.activo { opacity: 1; }

/* ============================================================
   8. CARRITO DRAWER
   ============================================================ */
.carrito-drawer {
    position: fixed;
    top: 0;
    right: 0;
    height: 100dvh;
    width: min(92vw, 400px);
    background: #fff;
    box-shadow: -16px 0 48px rgba(0, 0, 0, .16);
    transform: translateX(100%);
    transition: transform var(--transicion);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    padding-bottom: env(safe-area-inset-bottom);
}

.carrito-drawer.abierto { transform: translateX(0); }

.carrito-drawer__cabecera {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 22px;
    padding-top: calc(20px + env(safe-area-inset-top));
    border-bottom: 1px solid var(--gris-linea);
}

.carrito-drawer__titulo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--fuente-titulo);
    font-size: 1.15rem;
    color: var(--negro);
    font-weight: 600;
}

.carrito-drawer__titulo svg { color: var(--negro); }

.carrito-drawer__cerrar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    color: var(--negro);
    transition: background var(--transicion);
}

.carrito-drawer__cerrar:hover { background: var(--gris-fondo); }

.carrito-drawer__cuerpo {
    flex: 1;
    overflow-y: auto;
    padding: 20px 22px;
    -webkit-overflow-scrolling: touch;
}

.carrito-item {
    display: flex;
    gap: 14px;
    padding-bottom: 16px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--gris-linea);
}

.carrito-item:last-child { border-bottom: 0; padding-bottom: 0; margin-bottom: 0; }

.carrito-item__img {
    width: 70px;
    height: 88px;
    object-fit: cover;
    border-radius: 8px;
    flex-shrink: 0;
    background: var(--gris-fondo);
}

.carrito-item__info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.carrito-item__nombre {
    font-size: .88rem;
    font-weight: 600;
    color: var(--negro);
    line-height: 1.3;
}

.carrito-item__precio {
    font-size: .88rem;
    font-weight: 700;
    color: var(--vino);
}

.carrito-item__controles {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 6px;
}

.carrito-item__cant {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--gris-linea);
    border-radius: 999px;
    overflow: hidden;
}

.carrito-item__cant-btn {
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--negro);
    font-size: 1rem;
    font-weight: 600;
    transition: background var(--transicion);
}

.carrito-item__cant-btn:hover { background: var(--gris-fondo); }

.carrito-item__cant-num {
    min-width: 26px;
    text-align: center;
    font-size: .82rem;
    font-weight: 600;
    color: var(--negro);
}

.carrito-item__quitar {
    font-size: .74rem;
    color: var(--gris-medio);
    text-decoration: underline;
    transition: color var(--transicion);
    margin-left: auto;
}

.carrito-item__quitar:hover { color: var(--negro); }

.carrito-vacio {
    text-align: center;
    padding: 40px 10px;
    color: var(--gris-medio);
}

.carrito-vacio svg {
    color: var(--gris-linea);
    margin: 0 auto 16px;
}

.carrito-vacio__titulo {
    font-family: var(--fuente-titulo);
    font-size: 1.1rem;
    color: var(--negro);
    margin-bottom: 8px;
}

.carrito-vacio__texto {
    font-size: .85rem;
    line-height: 1.6;
}

.carrito-drawer__pie {
    padding: 20px 22px;
    border-top: 1px solid var(--gris-linea);
    background: var(--gris-fondo);
}

.carrito-drawer__total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
    font-size: .9rem;
    color: var(--gris);
}

.carrito-drawer__total strong {
    font-size: 1.2rem;
    color: var(--negro);
    font-weight: 700;
}

.carrito-drawer__vaciar {
    display: block;
    width: 100%;
    margin-top: 10px;
    padding: 8px;
    font-size: .8rem;
    color: var(--gris-medio);
    text-align: center;
    transition: color var(--transicion);
}

.carrito-drawer__vaciar:hover { color: var(--negro); }

.carrito-velo {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .5);
    z-index: 990;
    opacity: 0;
    transition: opacity var(--transicion);
}

.carrito-velo[hidden] { display: none; }
.carrito-velo.activo { opacity: 1; }

/* ============================================================
   9. RESPONSIVE
   ============================================================ */
@media (max-width: 1080px) {
    .buscador { width: 170px; }
    .buscador:focus-within { width: 210px; }

    .cabecera__wa {
        padding: 10px 12px;
        min-width: 44px;
        min-height: 44px;
    }
    .cabecera__wa span {
        position: absolute !important;
        width: 1px; height: 1px;
        padding: 0; margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
        border: 0;
    }

    .menu { gap: 2px; }
    .menu__enlace { padding: 9px 12px; font-size: .84rem; }
}

@media (max-width: 960px) {
    .barra-superior__redes { gap: 10px; }

    .buscador { display: none; }
    .buscador-movil { display: flex; }

    .hamburguesa { display: inline-flex; }

    .cabecera__principal {
        padding-block: max(10px, env(safe-area-inset-top)) 10px;
    }

    .nav-principal {
        position: fixed;
        top: 0;
        right: 0;
        width: min(88vw, 380px);
        height: 100dvh;
        background: #fff;
        padding: calc(80px + env(safe-area-inset-top)) 24px calc(24px + env(safe-area-inset-bottom));
        box-shadow: -16px 0 48px rgba(0, 0, 0, .16);
        transform: translateX(100%);
        transition: transform var(--transicion);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        justify-content: flex-start;
        flex-direction: column;
        z-index: 900;
    }

    .nav-principal.abierto { transform: translateX(0); }

    .menu {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        gap: 0;
    }

    .menu__item { border-bottom: 1px solid var(--gris-linea); }

    .menu__enlace {
        width: 100%;
        justify-content: space-between;
        padding: 16px 4px;
        border-radius: 0;
        font-size: .95rem;
        min-height: 52px;
    }

    .menu__enlace:hover,
    .menu__enlace.activo { background: transparent; color: var(--negro); }

    .mega-menu {
        position: static;
        top: auto;
        left: auto;
        transform: none;
        width: auto;
        max-width: none;
        padding: 0;
        box-shadow: none;
        border: 0;
        opacity: 1;
        pointer-events: none;
        visibility: hidden;
        overflow: hidden;
        display: grid;
        grid-template-rows: 0fr;
        transition: grid-template-rows var(--transicion), visibility var(--transicion);
    }

    .mega-menu__grid {
        min-height: 0;
        overflow: hidden;
        padding: 0 0 20px 8px;
    }

    .menu__item--mega[data-abierto="true"] .mega-menu {
        transform: none;
        visibility: visible;
        pointer-events: auto;
        grid-template-rows: 1fr;
    }

    .mega-menu__grid { grid-template-columns: 1fr; gap: 20px; }
    .mega-menu__promo img { height: 160px; }

    .menu__item--mega::after { display: none; }

    .cabecera__acciones { gap: 4px; }
}

@media (max-width: 540px) {
    .barra-superior__texto { font-size: .7rem; }
    .barra-superior__redes { display: none; }
    .cabecera__principal { padding-block: max(8px, env(safe-area-inset-top)) 8px; }
}

@media (max-width: 400px) {
    .cabecera__wa { display: none; }
}