*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: sans-serif;
}

:root {
    --blanco: aliceblue;
    --negro: black;
    --bg-header: #ffffff;
    --bg-body: #f5f5f5;
    --text-main: #111827;
    --text-muted: #6b7280;
    --azul-principal: #48e;
    --icon-color: #ffffff;
    --card-bg: #ffffff;
}

body.dark-mode {
    --bg-header: #0f172a;
    --bg-body: #020617;
    --text-main: #e5e7eb;
    --text-muted: #9ca3af;
    --icon-color: #facc15;
    --card-bg: #020617;
}

html {
    scroll-behavior: smooth;
}

header{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}

body{
    height: 100%;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-body);
    color: var(--text-main);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container-barra {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 100px;
    background-color: var(--bg-header);
    transition: background-color 0.3s ease;
}


.logo h1 {
    font-size: 28px;
    color: var(--azul-principal);
}


/*/////////// HEADER ///////////*/
.barra-busqueda-2{
    display: none;
}

.barra-busqueda{
    display: flex;
    align-items: center;
    border-radius: 10px;
    width: 350px;
    overflow: hidden;
    box-shadow: 0px 5px 10px rgba(0, 0, 0,0.10);
}

#buscador-producto {
    border: none;
    outline: none;
    padding: 10px 15px;
    flex: 1;
    font-size: 14px;
}

.barra-busqueda button {
    background-color: var(--azul-principal);
    border: none;
    color: white;
    padding: 10px 16px;
    cursor: pointer;
}

.barra-busqueda button i{
    font-size: 16px;
}

.barra-busqueda button:hover {
    background-color: #2c7bc0;
}

.barra-busqueda input,
.barra-busqueda-2 input {
    background-color: var(--card-bg);
    color: var(--text-main);
    border: 1px solid #d1d5db;
}

body.dark-mode .barra-busqueda input,
body.dark-mode .barra-busqueda-2 input {
    border-color: #334155;
}

.dark-toggle {
    background-color: var(--azul-principal);
    color: var(--text-main);
    padding: 10px;
    border: none;
    border-radius: 40px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    font-weight: 600;
}

.carrito-btn{
    background-color: var(--azul-principal);
    padding: 10px;
    border: none;
    border-radius: 40px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    font-size: 16px;
    color: var(--text-main);
    font-weight: 600;
}

.carrito-btn:hover {
    background-color: #2563eb; 
    transform: scale(1.05);
}

.dark-toggle:hover {
    background-color: #2563eb; 
    transform: scale(1.05);
}

.dark-toggle i {
    color: var(--blanco);
    font-size: 22px;
}

.dark-mobile-carrito i {
    color: var(--blanco);
    font-size: 18px;
}

body.dark-mode .dark-toggle i {
    color: var(--blanco);
}



.nav{
    display: flex;
    justify-content: center;
    padding: 12px;
    background-color: var(--bg-header);
    box-shadow: 0px 0px 5px rgba(0, 0, 0,0.1);
}

.nav-list{
    display: flex;
    list-style: none;
    gap: 90px
}

.nav-list a{
    color: var(--text-main);
    text-decoration: none;
    font-size: 18px;
}

.nav-list a:hover{
    color: var(--azul-principal);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 26px;
    cursor: pointer;
    color: var(--text-main);
}


.dark-desktop {
    display: block;
}

.dark-mobile {
    display: none;
}

.categorias-mobile {
    display: none;
}

.menu-categorias{
    display: none;
}

/*/////////// BANNER ///////////*/

.banner {
    width: 100%;
    overflow: hidden;
}

.carousel {
    position: relative;
    height: 85vh;
    margin-top: 100px;
}

/* Slides */
.slide {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.8s ease;
}

/* IMAGEN DEL BANNER */
.slide img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain; 
    z-index: 0;
    background: transparent;
}

/* Overlay oscuro */
.overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 1;
}

/* Slide visible */
.slide.active {
    opacity: 1;
}

/* Contenido */
.banner-content {
    position: relative;
    z-index: 2;
    color: white;
    max-width: 420px;
    text-align: center;
}

.banner-content h2 {
    font-size: 38px;
    margin-bottom: 12px;
}

.banner-content p {
    font-size: 18px;
    margin-bottom: 22px;
    line-height: 1.4;
}

.banner-content .btn {
    background-color: var(--azul-principal);
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
}


/*/////////// OFERTAS ///////////*/

.grid-ofertas {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    max-width: auto;
    margin: 0 auto;
}


.ofertas {
    padding: 60px 20px;
}

.ofertas h2 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 40px;
    color: var(--text-main);
}

.card-producto {
    position: relative;
}

.precio {
    font-size: 20px;
    font-weight: bold;
}

.precio-viejo {
    text-decoration: line-through;
    color: var(--text-muted);
    font-size: 18px;
    margin-right: 8px;
}

.card-producto.oferta:hover {
    transform: scale(1.03);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

/*/////////// CATEGORIAS ///////////*/

.categorias-desktop {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.cat-btn {
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid var(--azul-principal);
    background: transparent;
    color: var(--text-main);
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
    font-size: 16px;
}

.cat-btn:hover,
.cat-btn.active {
    background: var(--azul-principal);
    color: #fff;
}

/*======================
    FILTRO DE MARCAS
======================*/

.filtro-marcas{
    display: none;
    justify-content: center;
    flex-wrap: wrap;
    gap: .8rem;
    margin: 1.2rem 0 2rem;
    animation: aparecer .25s ease;
}

.filtro-marcas.activo{
    display: flex;
}

.marca-btn{
    padding: .75rem 1rem;
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(77,145,255,.35);
    border-radius: 12px;
    color: var(--text-main);
    font-size: .95rem;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    transition: .25s;
}

.marca-btn:hover{
    transform: translateY(-2px);
    background: var(--color-principal);
    color: #fff;
}

.marca-btn.active{
    background: var(--color-principal);
    color: #fff;
}

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

/*/////////// PRODUCTOS ///////////*/
main{
    flex: 1;
}

.productos {
    padding: 40px 30px;
}

.productos h2 {
    margin-bottom: 25px;
    font-size: 28px;
    text-align: center;
}

.grid-productos {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 25px;
}

.card-producto {
    background-color: var(--bg-header);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
    display: flex;
    flex-direction: column;
    transition: transform .2s ease;
    padding: 0 5px;
    position: relative;
}

.card-producto.sin-stock img {
    opacity: 0.45;
}

.badge-sin-stock {
    position: absolute;
    top: 12px;
    left: 12px;
    background: #e0433f;
    color: #fff;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    z-index: 2;
}

.card-producto:hover {
    transform: scale(1.03);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.card-producto img {
    width: 100%;
    height: 350px;
    object-fit: contain; 
}

.card-producto .info {
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex-grow: 1;
    color: #1f1f1f;
}

.card-producto h3 {
    font-size: 16px;
    color: var(--text-main);
}

.precio {
    font-weight: bold;
    color: var(--azul-principal);
    margin-top: auto;
}

.card-producto button {
    background-color: var(--azul-principal);
    color: white;
    border: none;
    padding: 10px;
    border-radius: 20px;
    cursor: pointer;
}

.actions{
    display: flex;
    flex-direction: column;
    gap: 8px;
}


/*/////////// FOOTER ///////////*/
footer.site-footer {
    background-color: #14141c;
    color: #d1d5db;
    padding-top: 50px;
}

.footer-contenido {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr;
    gap: 40px;
    padding: 0 30px 40px;
}

.footer-marca h2 {
    color: #fff;
    font-size: 24px;
    margin-bottom: 12px;
}

.footer-marca h2 span {
    color: #4488ee;
}

.footer-marca p {
    font-size: 14px;
    line-height: 1.6;
    color: #9ca3af;
    max-width: 320px;
    margin-bottom: 20px;
}

.footer-redes {
    display: flex;
    gap: 12px;
}

.footer-redes a {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.06);
    color: #fff;
    border-radius: 50%;
    text-decoration: none;
    font-size: 16px;
    transition: background 0.2s ease, transform 0.2s ease;
}

.footer-redes a:hover {
    background: #4488ee;
    transform: translateY(-2px);
}

.footer-columna h3 {
    color: #fff;
    font-size: 15px;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.footer-columna ul {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-columna a,
.footer-columna span {
    color: #9ca3af;
    text-decoration: none;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-columna a:hover {
    color: #4488ee;
}

.footer-columna i {
    width: 16px;
    color: #4488ee;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 18px 30px;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: #6b7280;
    letter-spacing: 0.02em;
}


/*/////////// RESPONSIVE ///////////*/

@media (max-width: 968px) { 
.container-barra {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
}

.logo h1 {
    font-size: 24px;
}

/*/////////// HEADER ///////////*/
.barra-busqueda-2{
    display: none;
}

.barra-busqueda{
    display: flex;
    align-items: center;
    border-radius: 10px;
    width: 300px;
    overflow: hidden;
    box-shadow: 0px 5px 10px rgba(0, 0, 0,0.10);
}

#buscador-producto {
    border: none;
    outline: none;
    padding: 10px 15px;
    flex: 1;
    font-size: 14px;
}

.barra-busqueda button {
    background-color: var(--azul-principal);
    border: none;
    color: white;
    padding: 10px 16px;
    cursor: pointer;
}

.barra-busqueda button i{
    font-size: 16px;
}

.barra-busqueda button:hover {
    background-color: #2c7bc0;
}

.nav{
    display: flex;
    justify-content: center;
    padding: 12px;
   
}

.nav-list{
    display: flex;
    list-style: none;
    gap: 30px
}

.nav-list a{
    text-decoration: none;
    font-size: 16px;
}

.nav-list a:hover{
    color: var(--azul-principal);
}
/*/////////// PRODUCTOS ///////////*/

.card-producto {
    background-color: var(--bg-header);
}

.card-producto img {
    width: 100%;
    height: 300px;
    object-fit: contain; 
}

.card-producto .info {
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    flex-grow: 1;
}

.card-producto h3 {
    font-size: 15px;
}

.precio {
    font-weight: bold;
    color: #6bbcff;
    margin-top: auto;
}

.card-producto button {
    background-color: var(--azul-principal);
    color: white;
    border: none;
    padding: 10px;
    border-radius: 20px;
    cursor: pointer;
}

.footer-contenido {
    grid-template-columns: 1fr 1fr;
    gap: 30px 20px;
}

.footer-marca {
    grid-column: 1 / -1;
}

}

@media (max-width: 579px) {
.container-barra {
    padding: 12px 15px;
}

.logo h1 {
    font-size: 20px;
}

/*/////////// HEADER ///////////*/

.categorias-desktop {
        display: none;
    }

.cat-btn{
    width: 100%;
}

.menu-categorias {
    display: flex;
    flex-direction: column;
}

.btn-categorias {
    background: none;
    border: none;
    font-size: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    color: inherit;
}

.subcategorias {
    max-height: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-top: 10px;
    padding-left: 10px;
    transition: max-height 0.3s ease;
}


.menu-categorias.open .subcategorias {
    max-height: 700px;
}

.menu-categorias.open .btn-categorias i {
    transform: rotate(180deg);
}


.submenu-celulares{
    list-style: none;
}

.btn-celulares-mobile{
    width: 100%;
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid var(--azul-principal);
    background: transparent;
    color: var(--text-main);
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
    font-size: 16px;
    transition: max-height 0.3s ease;
}

.submenu-celulares.open .btn-celulares-mobile i {
    transform: rotate(180deg);
}

.btn-celulares-mobile i {
    transition: transform .3s ease;
}

.btn-celulares-mobile:hover,
.btn-celulares-mobile.active {
    background: var(--azul-principal);
    color: #fff;
}

.marcas-mobile {
    max-height: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    list-style: none;
    margin-left: 1rem;
    margin-top: .3rem;
    gap: .4rem;
    transition: max-height 0.3s ease;
}

.submenu-celulares.open .marcas-mobile {

    max-height: 500px;

}

.marca-btn-mobile{
    width: 100%;
    padding: .75rem 1rem;

    background: rgba(255,255,255,.04);

    border: 1px solid rgba(77,145,255,.35);

    border-radius: 12px;

    color: var(--text-main);

    font-size: .95rem;
    font-weight: 500;

    text-align: left;

    cursor: pointer;

    transition: .25s;
}

.marca-btn-mobile:hover{

    background: var(--azul-principal);

    color: white;

    border-color: var(--azul-principal);

    transform: translateX(6px);

}


.carousel {
    position: relative;
    height: 90vh;
    margin-top: 0px;
}

.barra-busqueda-2{
    display: flex;
    border-radius: 10px;
    width: 100%;
    overflow: hidden;
    box-shadow: 0px 5px 10px rgba(0, 0, 0,0.10);
}

#buscador-producto-2 {
    border: none;
    outline: none;
    padding: 10px 15px;
    flex: 1;
    font-size: 14px;
}

.barra-busqueda-2 button {
    background-color: var(--azul-principal);
    border: none;
    color: white;
    padding: 10px 14px;
    cursor: pointer;
}

.barra-busqueda-2 button i{
    font-size: 14px;
}

.barra-busqueda-2 button:hover {
    background-color: #2c7bc0;
}

.menu-toggle {
  display: block;
  z-index: 1001;
}
.container-barra .barra-busqueda {
  display: none;
}
.nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 320px;
  height: 100vh;
  padding: 60px 20px;
  display: flex;
  flex-direction: column;
  justify-content: start;
  gap: 30px;
  box-shadow: -5px 0 15px rgba(0,0,0,0.15);
  transition: right 0.3s ease;
  z-index: 1000;
}

.nav.active {
  right: 0;
}

.nav .barra-busqueda {
  display: flex;
  width: 100%;
}

.nav-list {
  flex-direction: column;
  gap: 25px;
  list-style: none;
  padding: 0;
}

.nav-list a {
  font-size: 15px;
  color: var(--text-main);
  text-decoration: none;
}

.nav-list a:hover {
  color: var(--azul-principal);
}

.acciones-header {
    position: absolute;
}

 .dark-desktop {
        display: none;
    }

    .dark-mobile {
        display: block;
    }

    .dark-mobile button {
        width: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 8px;
    }

    .dark-mobile-carrito {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 8px;
    }

/*/////////// PRODUCTOS ///////////*/

.card-producto img {
    width: 100%;
    height: 300px;
    object-fit: contain; 
}

.card-producto .info {
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex-grow: 1;
}

.card-producto h3 {
    font-size: 14px;
}

.precio {
    font-weight: bold;
    color: #6bbcff;
    margin-top: auto;
}

.card-producto button {
    background-color: var(--azul-principal);
    color: white;
    border: none;
    padding: 10px;
    border-radius: 20px;
    cursor: pointer;
}

/*/////////// FOOTER ///////////*/

.footer-contenido {
    grid-template-columns: 1fr;
    padding: 0 20px 30px;
    gap: 28px;
}

footer.site-footer {
    padding-top: 35px;
}

}