/* UVAN BATTERY STORE v2 - Base Premium */

:root{
 --primary:#6f2dbd;
 --primary-dark:#4b1d82;
 --secondary:#f5b301;
 --dark:#101114;
 --light:#fff;
 --bg:#f4f5f8;
 --radius:20px;
 --shadow:0 16px 40px rgba(0,0,0,.12);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 font-family:Arial,Helvetica,sans-serif;
 background:var(--bg);
 color:#222;
 line-height:1.6;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
button{cursor:pointer;border:none;transition:.25s}

.header{
 position:sticky;top:0;z-index:1000;
 display:flex;justify-content:space-between;align-items:center;
 padding:14px 6%;
 background:rgba(16,17,20,.92);
 backdrop-filter:blur(14px);
 border-bottom:1px solid rgba(255,255,255,.08);
}
.logo img{height:54px}
nav{display:flex;gap:26px;align-items:center}
nav a{color:#fff;font-weight:600}
nav a:hover{color:var(--secondary)}

.slider{
 position:relative;
 height:72vh;
 min-height:520px;
 overflow:hidden;
 border-radius:0 0 30px 30px;
 box-shadow:0 20px 60px rgba(0,0,0,.28);
}
.slide{
 position:absolute;inset:0;
 display:flex;align-items:center;
 opacity:0;
 transition:opacity .8s;
 background-size:cover;
 background-position:center;
}
.slide::before{
 content:"";
 position:absolute;inset:0;
 background:linear-gradient(90deg,rgba(0,0,0,.72),rgba(0,0,0,.35));
}
.slide.activo{opacity:1}
.slide:nth-child(1){background-image:url("../img/banner1.jpg")}
.slide:nth-child(2){background-image:url("../img/banner2.jpg")}
.slide:nth-child(3){background-image:url("../img/banner3.jpg")}
.slide:nth-child(4){background-image:url("../img/banner4.jpg")}

.contenido{
 position:relative;
 z-index:2;
 width:min(620px,90%);
 margin-left:8%;
 color:#fff;
}
.contenido h1{
 font-size:3.6rem;
 line-height:1.05;
 margin-bottom:18px;
}
.contenido p{
 font-size:1.2rem;
 margin-bottom:30px;
 color:#f0f0f0;
}
.btn-slider{
 display:inline-block;
 background:var(--secondary);
 color:#111;
 padding:16px 34px;
 border-radius:14px;
 font-weight:700;
}
.btn-slider:hover{
 transform:translateY(-3px);
 box-shadow:0 12px 30px rgba(245,179,1,.4);
}

.indicadores{
 position:absolute;
 bottom:22px;
 width:100%;
 display:flex;
 justify-content:center;
 gap:12px;
}
.dot{
 width:12px;height:12px;
 border-radius:50%;
 background:#fff;
 opacity:.35;
}
.dot.activo{
 opacity:1;
 background:var(--secondary);
 transform:scale(1.2);
}

.buscador{
 width:min(1200px,92%);
 margin:-45px auto 50px;
 background:#fff;
 border-radius:24px;
 padding:34px;
 box-shadow:var(--shadow);
 position:relative;
 z-index:20;
}
.buscador h2{text-align:center;margin-bottom:24px}
.busqueda{
 display:grid;
 grid-template-columns:repeat(5,1fr);
 gap:15px;
}
.busqueda select,.busqueda button{
 padding:15px;
 border-radius:12px;
 border:1px solid #ddd;
}
.busqueda button{
 background:var(--primary);
 color:#fff;
}

.destacados{padding:70px 5%}
.destacados h2{text-align:center;margin-bottom:36px}

.productos{
 display:grid;
 grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
 gap:28px;
}
.producto{
 background:#fff;
 border-radius:22px;
 overflow:hidden;
 border:1px solid rgba(0,0,0,.05);
 box-shadow:0 12px 35px rgba(0,0,0,.08);
 transition:.3s;
}
.producto:hover{
 transform:translateY(-8px);
 box-shadow:0 24px 50px rgba(0,0,0,.14);
}
.producto img{
 height:230px;
 object-fit:contain;
 padding:20px;
}
.info{padding:22px}
.marca{color:var(--primary);font-weight:700}
.precio{
 font-size:1.7rem;
 color:var(--primary);
 font-weight:700;
 margin:10px 0;
}
.producto button{
 width:100%;
 padding:15px;
 border-radius:12px;
 background:var(--primary);
 color:#fff;
}

footer{
 margin-top:70px;
 background:#101114;
 color:#fff;
 text-align:center;
 padding:60px 20px;
}

@media(max-width:900px){
 .header{flex-direction:column;gap:14px}
 nav{flex-wrap:wrap;justify-content:center;gap:16px}
 .slider{height:45vh;min-height:340px;border-radius:0}
 .contenido{margin:0 auto;text-align:center}
 .contenido h1{font-size:2.2rem}
 .contenido p{font-size:1rem}
 .buscador{margin:25px auto;padding:24px}
 .busqueda{grid-template-columns:1fr}
}
/*========================================
DETALLE DEL PRODUCTO
========================================*/

.detalle-producto{
    width:min(1300px,92%);
    margin:60px auto;
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:60px;
    align-items:flex-start;
}

.galeria{
    position:sticky;
    top:100px;
}

.imagen-principal{
    background:#fff;
    border-radius:22px;
    padding:40px;
    box-shadow:0 15px 40px rgba(0,0,0,.08);
    margin-bottom:20px;
}

.imagen-principal img{
    width:100%;
    height:420px;
    object-fit:contain;
    transition:.35s;
}

.imagen-principal img:hover{
    transform:scale(1.05);
}

.miniaturas{
    display:flex;
    gap:15px;
}

.mini{
    width:90px;
    height:90px;
    background:#fff;
    border-radius:14px;
    padding:10px;
    object-fit:contain;
    cursor:pointer;
    border:2px solid transparent;
    transition:.3s;
    box-shadow:0 5px 15px rgba(0,0,0,.08);
}

.mini:hover,
.mini.activa{
    border-color:var(--primary);
}

.info-producto{
    background:#fff;
    border-radius:22px;
    padding:40px;
    box-shadow:0 15px 40px rgba(0,0,0,.08);
}

.info-producto h1{
    font-size:2.6rem;
    margin:10px 0;
}

.estrellas{
    color:#f5b301;
    font-size:1.1rem;
    margin-bottom:15px;
}

.precio{
    font-size:3rem;
    font-weight:700;
    color:var(--primary);
    margin:25px 0;
}

.badges{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    margin-bottom:25px;
}

.badges span{
    background:#f4f4f4;
    padding:10px 16px;
    border-radius:30px;
    font-weight:600;
}

.descripcion{
    color:#555;
    margin-bottom:30px;
}

.cantidad{
    display:flex;
    align-items:center;
    gap:15px;
    margin-bottom:25px;
}

.cantidad button{
    width:45px;
    height:45px;
    border-radius:12px;
    background:var(--primary);
    color:#fff;
    font-size:1.2rem;
}

.cantidad input{
    width:70px;
    height:45px;
    text-align:center;
    border:1px solid #ddd;
    border-radius:12px;
    font-size:1rem;
}

.comprar,
.carrito{
    width:100%;
    padding:18px;
    border-radius:14px;
    font-size:1rem;
    font-weight:700;
    margin-top:15px;
}

.comprar{
    background:var(--secondary);
    color:#111;
}

.carrito{
    background:var(--primary);
    color:#fff;
}

.comprar:hover,
.carrito:hover{
    transform:translateY(-3px);
}

.especificaciones,
.relacionados{
    width:min(1300px,92%);
    margin:60px auto;
}

.especificaciones{
    background:#fff;
    padding:40px;
    border-radius:22px;
    box-shadow:0 15px 40px rgba(0,0,0,.08);
}

.especificaciones h2,
.relacionados h2{
    margin-bottom:25px;
}

.especificaciones ul{
    padding-left:20px;
}

.especificaciones li{
    margin-bottom:12px;
}

@media(max-width:900px){

.detalle-producto{

grid-template-columns:1fr;

gap:30px;

}

.galeria{

position:static;

}

.imagen-principal img{

height:280px;

}

.info-producto{

padding:25px;

}

.info-producto h1{

font-size:2rem;

}

.precio{

font-size:2.3rem;

}

.badges{

flex-direction:column;

}

}
.btn-producto{
    display:block;
    width:100%;
    margin-top:15px;
    padding:15px;
    text-align:center;
    background:var(--primary);
    color:#fff;
    font-weight:700;
    border-radius:12px;
    transition:.3s;
}

.btn-producto:hover{
    background:var(--primary-dark);
    transform:translateY(-2px);
}
/*==========================
CARRITO
==========================*/

.contenedor-carrito{

width:min(1200px,92%);

margin:60px auto;

display:grid;

grid-template-columns:2fr 1fr;

gap:35px;

}

.item-carrito{

background:#fff;

padding:25px;

border-radius:20px;

display:flex;

align-items:center;

justify-content:space-between;

margin-bottom:20px;

box-shadow:0 10px 30px rgba(0,0,0,.08);

}

.item-carrito img{

width:120px;

height:120px;

object-fit:contain;

}

.acciones{

display:flex;

align-items:center;

gap:15px;

}

.acciones button{

width:42px;

height:42px;

border-radius:10px;

background:var(--primary);

color:#fff;

font-size:18px;

}

.resumen{

background:#fff;

padding:30px;

border-radius:20px;

box-shadow:0 10px 30px rgba(0,0,0,.08);

height:max-content;

position:sticky;

top:100px;

}

.resumen h3{

font-size:2rem;

color:var(--primary);

margin:25px 0;

}

.carrito-vacio{

background:#fff;

padding:60px;

border-radius:20px;

text-align:center;

box-shadow:0 10px 30px rgba(0,0,0,.08);

}

@media(max-width:900px){

.contenedor-carrito{

grid-template-columns:1fr;

}

.item-carrito{

flex-direction:column;

text-align:center;

gap:20px;

}

.resumen{

position:static;

}

}
.producto-carrito{
display:flex;
gap:20px;
background:#fff;
padding:20px;
border-radius:16px;
margin-bottom:20px;
align-items:center;
box-shadow:0 8px 20px rgba(0,0,0,.08);
}

.img-carrito{
width:120px;
height:120px;
object-fit:contain;
}

.info-carrito{
flex:1;
}

.controles{
    display:flex;
    justify-content:center;
    align-items:center;
    gap:18px;
    margin:20px 0;
}

.controles span{
    min-width:30px;
    text-align:center;
    font-size:22px;
    font-weight:700;
}

.controles button{
    width:48px;
    height:48px;
    border:none;
    border-radius:12px;
    background:#6b2dbd;
    color:#fff;
    font-size:26px;
    font-weight:bold;
    cursor:pointer;
    transition:.25s;
}

.controles button:hover{
    transform:scale(1.08);
}

.eliminar{
background:#e53935;
color:#fff;
border:none;
padding:10px 18px;
border-radius:10px;
cursor:pointer;
margin-top:10px;
}

@media(max-width:768px){

.producto-carrito{
flex-direction:column;
text-align:center;
}

.img-carrito{
width:150px;
height:150px;
}

}
.datos-cliente{
    display:flex;
    flex-direction:column;
    gap:15px;
    margin-top:25px;
}

.datos-cliente input[type="text"],
.datos-cliente input[type="tel"]{
    width:100%;
    padding:14px 16px;
    border:2px solid #e6e6e6;
    border-radius:12px;
    font-size:16px;
    background:#fafafa;
    transition:.25s;
    box-sizing:border-box;
}

.datos-cliente input:focus{
    outline:none;
    border-color:#6b2dbd;
    background:#fff;
    box-shadow:0 0 0 4px rgba(107,45,189,.12);
}

.instalacion{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:16px;
    font-weight:600;
}

.instalacion input{
    width:20px;
    height:20px;
}

#finalizarCompra{
    width:100%;
    margin-top:20px;
    padding:18px;
    border:none;
    border-radius:16px;
    background:#f8b400;
    color:#111;
    font-size:22px;
    font-weight:700;
    cursor:pointer;
    transition:.25s;
}

#finalizarCompra:hover{
    transform:translateY(-2px);
}
.btn-tienda,
.btn-sucursales{

background:#f7b500;
color:#111;

padding:12px 20px;

border-radius:12px;

font-weight:700;

text-decoration:none;

transition:.3s;

}

.btn-tienda:hover,
.btn-sucursales:hover{

transform:translateY(-2px);

}
.slider{

position:relative;

height:75vh;

min-height:500px;

border-radius:25px;

overflow:hidden;

margin:30px;

background:#111;

}

.slide{

display:none;

height:100%;

background-size:cover;

background-position:center;

position:relative;

}

.slide::before{

content:"";

position:absolute;

inset:0;

background:linear-gradient(to right,
rgba(0,0,0,.75),
rgba(0,0,0,.35));

}

.slide.activo{

display:flex;

align-items:center;

}

.slide:nth-child(1){

background-image:url("../img/banner1.jpg");

}

.slide:nth-child(2){

background-image:url("../img/banner2.jpg");

}

.slide:nth-child(3){

background-image:url("../img/banner3.jpg");

}

.slide:nth-child(4){

background-image:url("../img/banner4.jpg");

}

.contenido{

position:relative;

z-index:2;

color:#fff;

max-width:650px;

padding:60px;

}

.badge{

display:inline-block;

padding:8px 18px;

background:#FFD400;

color:#111;

font-weight:bold;

border-radius:50px;

margin-bottom:20px;

}

.contenido h1{

font-size:3.3rem;

margin-bottom:20px;

line-height:1.1;

}

.contenido p{

font-size:1.2rem;

opacity:.95;

margin-bottom:35px;

}

.acciones{

display:flex;

gap:15px;

flex-wrap:wrap;

}

.btn-slider{

background:#FFD400;

color:#111;

padding:15px 30px;

border-radius:50px;

font-weight:bold;

text-decoration:none;

transition:.3s;

}

.btn-slider:hover{

transform:translateY(-4px);

}

.btn-secundario{

background:transparent;

color:#fff;

border:2px solid #fff;

}

.prev,
.next{

position:absolute;

top:50%;

transform:translateY(-50%);

width:50px;

height:50px;

border:none;

border-radius:50%;

background:rgba(255,255,255,.2);

color:#fff;

font-size:22px;

cursor:pointer;

backdrop-filter:blur(8px);

}

.prev{

left:20px;

}

.next{

right:20px;

}

.indicadores{

position:absolute;

bottom:25px;

left:50%;

transform:translateX(-50%);

display:flex;

gap:10px;

}

.dot{

width:12px;

height:12px;

border-radius:50%;

background:#fff5;

cursor:pointer;

}

.dot.activo{

background:#FFD400;

}