:root{--azul:#0961e8;--marino:#08295a;--tinta:#102344;--gris:#5d6b82;--claro:#f4f8ff;--borde:#dce6f5;--oro:#c98b2d;--blanco:#fff;--sombra:0 18px 55px rgba(8,41,90,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,"Segoe UI",Arial,sans-serif;color:var(--tinta);background:#fff;line-height:1.6}img{display:block;max-width:100%}a{color:inherit;text-decoration:none}.contenedor{width:min(1180px,calc(100% - 40px));margin:auto}.skip-link{position:fixed;top:0;left:12px;transform:translateY(-200%)}.skip-link:focus{transform:translateY(12px);z-index:9999;background:#fff;padding:10px}.header-publico{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.96);border-bottom:1px solid var(--borde);backdrop-filter:blur(12px)}.cabecera-interior{min-height:76px;display:flex;align-items:center;gap:28px}.marca{display:inline-flex;align-items:center;font-weight:900;font-size:30px;color:var(--marino);letter-spacing:-1.5px}.marca span span,.marca>span:last-child span{color:var(--azul)}.marca-icono{width:28px;height:28px;border-radius:50%;color:var(--azul);margin-right:9px}.menu-principal{display:flex;align-items:center;gap:22px;margin-left:auto}.menu-principal a{font-weight:700;font-size:14px;padding:8px 0;border-bottom:2px solid transparent}.menu-principal a:hover,.menu-principal a.activo{color:var(--azul);border-color:var(--azul)}.acciones-cabecera{display:flex;gap:10px}.menu-movil{display:none}.btn{display:inline-flex;justify-content:center;align-items:center;border:0;border-radius:12px;padding:13px 22px;font-weight:800;cursor:pointer;font-size:15px}.btn-primario{background:var(--azul);color:#fff;box-shadow:0 10px 25px rgba(9,97,232,.25)}.btn-primario:hover{background:#064dbb;transform:translateY(-1px)}.btn-suave{background:#edf4ff;color:var(--azul)}.btn-claro{background:#fff;color:var(--marino)}.btn-grande{padding:17px 28px;font-size:17px}.hero{background:linear-gradient(115deg,#f8fbff 0%,#edf5ff 48%,#fff 100%);padding:64px 0}.hero-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:48px;align-items:center}.eyebrow{display:inline-block;color:var(--azul);background:#e4efff;border-radius:99px;padding:8px 14px;font-size:13px;font-weight:900;text-transform:uppercase;letter-spacing:.06em}.hero h1{font-size:clamp(42px,5vw,66px);line-height:1.05;margin:22px 0;color:var(--marino);letter-spacing:-2px}.hero h1 span{color:var(--azul)}.hero-lead{font-size:20px;color:var(--gris);max-width:610px}.botones{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0}.checks{display:flex;flex-wrap:wrap;gap:12px 22px;padding:0;margin:0;list-style:none;font-size:14px;font-weight:700}.checks li:before{content:"✓";color:#0a9b59;margin-right:7px}.hero-visual{border-radius:28px;overflow:hidden;box-shadow:var(--sombra);background:#eee}.hero-visual img{width:100%;height:auto}.seccion{padding:86px 0}.seccion-clara{background:var(--claro)}.titulo-seccion{text-align:center;max-width:760px;margin:0 auto 44px}.titulo-seccion h2{font-size:clamp(32px,4vw,46px);line-height:1.15;margin:12px 0;color:var(--marino)}.titulo-seccion p{color:var(--gris);font-size:18px}.grid-3,.grid-4{display:grid;gap:24px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.card{background:#fff;border:1px solid var(--borde);border-radius:20px;padding:28px;box-shadow:0 10px 30px rgba(8,41,90,.06)}.card h3{color:var(--marino);margin:10px 0;font-size:21px}.card p{margin:0;color:var(--gris)}.icono{font-size:30px}.paso-numero{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--azul);color:#fff;font-weight:900}.producto-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.producto-imagen{border-radius:24px;background:#fff;padding:25px;box-shadow:var(--sombra)}.producto-info h2{font-size:44px;line-height:1.15;color:var(--marino);margin:14px 0}.lista{list-style:none;padding:0}.lista li{margin:10px 0}.lista li:before{content:"✓";color:#0a9b59;font-weight:900;margin-right:10px}.precio{font-size:42px;color:var(--azul);font-weight:900}.cta{padding:70px 0;background:linear-gradient(120deg,var(--marino),#064cb9);color:#fff}.cta-interior{display:flex;justify-content:space-between;gap:30px;align-items:center}.cta h2{font-size:38px;line-height:1.2;margin:0 0 10px}.cta p{margin:0;color:#d9e7ff}.footer{background:#071b39;color:#c6d5ec;padding:58px 0 20px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}.footer h2{font-size:16px;color:#fff}.footer a{display:block;margin:8px 0}.marca-pie{color:#fff;margin-bottom:12px}.footer-copy{border-top:1px solid rgba(255,255,255,.12);margin-top:35px;padding-top:20px;font-size:13px}.subhero{padding:64px 0;background:var(--claro);text-align:center}.subhero h1{font-size:48px;line-height:1.1;color:var(--marino);margin:12px 0}.contenido-texto{max-width:820px;margin:auto}.contenido-texto h2{color:var(--marino);margin-top:32px}.faq details{background:#fff;border:1px solid var(--borde);border-radius:14px;margin:12px 0;padding:18px}.faq summary{font-weight:800;cursor:pointer}.compra-hero{padding:70px 0;background:linear-gradient(120deg,#f7faff,#e9f2ff)}.compra-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.compra-grid h1{font-size:50px;line-height:1.1;color:var(--marino)}.selector-cantidad{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}.selector-cantidad a{border:2px solid var(--borde);border-radius:12px;padding:10px 16px;font-weight:800;background:#fff}.selector-cantidad a:hover{border-color:var(--azul);color:var(--azul)}.checkout{padding:60px 0;background:var(--claro);min-height:70vh}.checkout-grid{display:grid;grid-template-columns:1.5fr .7fr;gap:32px}.panel{background:#fff;border:1px solid var(--borde);border-radius:20px;padding:30px;box-shadow:0 10px 30px rgba(8,41,90,.06)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.campo{display:flex;flex-direction:column;gap:7px}.campo-completo{grid-column:1/-1}.campo label{font-weight:800}.campo input,.campo textarea,.campo select{width:100%;padding:13px;border:1px solid #bccbe0;border-radius:10px;font:inherit}.campo input:focus,.campo textarea:focus{outline:3px solid rgba(9,97,232,.18);border-color:var(--azul)}.metodos{display:grid;gap:10px;margin:16px 0 24px}.metodo{padding:16px;border:1px solid var(--borde);border-radius:12px}.resumen-linea{display:flex;justify-content:space-between;border-bottom:1px solid var(--borde);padding:12px 0}.mensaje{padding:14px;border-radius:10px;background:#fff1f1;color:#9e1b1b;margin-bottom:18px}.confirmacion{text-align:center;max-width:680px;margin:auto}.confirmacion-icono{font-size:60px}.nota{font-size:13px;color:var(--gris)}
@media(max-width:950px){.menu-movil{display:block;margin-left:auto;background:#edf4ff;border:0;border-radius:9px;padding:10px 13px;font-weight:800}.menu-principal{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;padding:18px 20px;box-shadow:var(--sombra);flex-direction:column;align-items:flex-start}.menu-principal.activo{display:flex}.acciones-cabecera{display:none}.hero-grid,.producto-grid,.compra-grid,.checkout-grid{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:1fr}.hero-visual{order:-1}.footer-grid{grid-template-columns:1fr 1fr}.cta-interior{align-items:flex-start;flex-direction:column}}

/* Identidad conjunta SGSnest + SGS-Shining */
.marca-petnexo{gap:10px;letter-spacing:0}
.marca-sgs{width:64px;height:52px;object-fit:contain;flex:none}
.marca-textos{display:flex;flex-direction:column;line-height:1}
.marca-nombre{font-size:28px;letter-spacing:-1.5px}
.marca-textos small{margin-top:5px;color:var(--gris);font-size:9px;font-weight:800;letter-spacing:.02em;text-transform:uppercase}
.marca-pie .marca-sgs{width:78px;height:62px}
.marca-pie .marca-textos small{color:#aebfda}
@media(max-width:520px){.marca-sgs{width:52px;height:42px}.marca-nombre{font-size:23px}.marca-textos small{font-size:7px}}

/* Diseñador de placas */
.personalizador-seccion{padding:60px 0 90px;background:linear-gradient(135deg,#edf6ff,#f7f2ff 55%,#effcf5)}
.personalizador-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:30px;align-items:start}
.disenador-panel{display:grid;gap:16px}.disenador-panel .campo{margin:0}
.colores-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.aviso-color{padding:13px;border-radius:12px;background:#fff8de;color:#675214;font-size:12px;line-height:1.5}
.preview-placa{text-align:center;background:linear-gradient(145deg,#09295b,#1267d8);color:#fff}
.preview-placa svg{width:100%;max-height:390px;filter:drop-shadow(0 18px 20px rgba(0,0,0,.22))}
.preview-placa .precio{color:#fff}.carrito-placas{margin-top:22px}.placa-carrito{display:grid;grid-template-columns:1fr auto auto;gap:14px;align-items:center;padding:12px 0;border-bottom:1px solid var(--borde)}
.placa-carrito small{display:block;color:var(--gris);text-transform:capitalize}.placa-carrito button{border:0;background:#fff1f1;color:#a42323;border-radius:50%;width:30px;height:30px;font-size:20px;cursor:pointer}
#continuarCompra{width:100%;margin-top:18px}#continuarCompra:disabled{opacity:.45;cursor:not-allowed}
@media(max-width:950px){.personalizador-grid{grid-template-columns:1fr}.disenador-panel{order:1}.preview-placa{order:0}}
@media(max-width:520px){.colores-grid{grid-template-columns:1fr}.personalizador-seccion{padding-top:35px}}

/* Personalizador 3D integrado */
.personalizador-grid-3d{grid-template-columns:minmax(320px,.9fr) minmax(0,1.3fr)}
.bloque-configuracion{border:0;border-bottom:1px solid var(--borde);padding:0 0 22px;margin:0 0 24px}
.bloque-configuracion legend{display:block;width:100%;padding:0;margin:0 0 16px;color:var(--marino);font-size:17px;font-weight:900}
.selector-segmentado{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.selector-segmentado button{flex:1;min-width:82px;padding:10px 8px;border:1px solid #bccbe0;border-radius:10px;background:#fff;color:#52647e;font:inherit;font-size:13px;font-weight:800;cursor:pointer}
.selector-segmentado button.active{background:var(--azul);border-color:var(--azul);color:#fff;box-shadow:0 7px 16px rgba(9,97,232,.2)}
.opcion-check{display:flex;align-items:flex-start;gap:9px;margin:-5px 0 18px;color:var(--gris);font-size:13px;font-weight:700;line-height:1.4}
.opcion-check input{width:auto;margin-top:3px}
.aviso-reverso{display:grid;gap:3px;margin-top:2px;padding:13px 14px;border:1px solid #bcd4f7;border-radius:12px;background:#edf5ff;color:#365679;font-size:12px;line-height:1.45}
.aviso-reverso strong{color:var(--marino);font-size:13px}
.campo input[type=range]{padding:0;border:0;accent-color:var(--azul)}
.control-motor-oculto{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden!important;clip:rect(0 0 0 0)!important;white-space:nowrap!important}
.columna-preview-3d{position:sticky;top:96px}
.preview-placa-3d{padding:24px;background:linear-gradient(180deg,#172139,#091326);overflow:hidden}
.preview-cabecera{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:12px;color:#d8e4f6;font-size:14px;text-transform:capitalize}
.preview-cabecera>strong{color:#fff;font-size:24px}
.preview-placa-3d #svgHost{position:relative;width:100%;max-width:660px;margin:auto}
.preview-placa-3d #svgHost svg{display:block;width:100%;height:auto;max-height:500px;filter:drop-shadow(0 18px 20px rgba(0,0,0,.28))}
.dimensiones-placa{display:flex;justify-content:center;gap:22px;flex-wrap:wrap;color:#c4d4eb;font-size:13px}
.dimensiones-placa b{color:#fff}
.nota-preview{margin:16px 0 0;color:#b8c8df;font-size:12px}
@media(max-width:950px){.personalizador-grid-3d{grid-template-columns:1fr}.columna-preview-3d{position:static}.preview-placa-3d{order:0}.disenador-panel{order:1}}
@media(max-width:560px){.selector-segmentado button{min-width:calc(50% - 8px)}.preview-placa-3d{padding:14px}.preview-cabecera{align-items:flex-start}.preview-cabecera>strong{font-size:19px}}

/* Portada con una identidad más viva */
.hero-color{position:relative;overflow:hidden;background:radial-gradient(circle at 8% 20%,#dbeaff 0,transparent 35%),radial-gradient(circle at 88% 15%,#d9f8e7 0,transparent 32%),linear-gradient(125deg,#f8fbff,#edf4ff 48%,#f6efff)}
.hero-color:after{content:"";position:absolute;width:360px;height:360px;border-radius:50%;right:-170px;bottom:-240px;background:#7138d922;pointer-events:none}
.hero-color .hero-visual{border:5px solid #fff;box-shadow:0 24px 55px #0a3e8740}
.beneficios-color{background:linear-gradient(180deg,#fff,#f5f9ff)}
.beneficios-color .card{border:0;color:#fff;min-height:230px}.beneficios-color .card h3,.beneficios-color .card p{color:#fff}
.card-azul{background:linear-gradient(145deg,#0877e8,#064caf)}.card-verde{background:linear-gradient(145deg,#12a65b,#087744)}.card-morado{background:linear-gradient(145deg,#7951d5,#5125a9)}
.beneficios-color .icono{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:#ffffff25}
@media(max-width:600px){.contenedor{width:min(100% - 28px,1180px)}.hero,.seccion{padding:52px 0}.grid-4,.footer-grid,.form-grid{grid-template-columns:1fr}.campo-completo{grid-column:auto}.hero h1,.compra-grid h1,.subhero h1{font-size:38px}.producto-info h2{font-size:34px}.checks{display:grid}.btn{width:100%}.marca{font-size:26px}}
html,body{overflow-x:hidden}