/* =========================================================
   iExperts — css/styles.css (compartido por las tres páginas)
   Marca en negro y blanco, minimalista y premium.
   ========================================================= */

:root{
  --negro:#101010;
  --blanco:#ffffff;
  --crema:#faf9f7;          /* fondo alterno suave */
  --linea:#e8e6e2;          /* bordes hairline */
  --tinta:#1a1a1a;
  --gris:#5f5f5f;           /* texto secundario sobre blanco (AA) */
  --gris-osc:#3a3a3a;
  --gris-blanco:#c9c7c3;    /* texto secundario sobre negro (AA) */
  --gris-blanco-2:#a7a5a1;  /* metadatos sobre negro (AA) */
  --radio:16px;
  --sombra:0 16px 40px rgba(16,16,16,.09);
  --ancho:1140px;
  --fuente:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--fuente);font-size:1rem;line-height:1.65;color:var(--tinta);background:var(--blanco)}
img{max-width:100%;height:auto}
[hidden]{display:none!important}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em;color:var(--negro)}
h1{font-size:clamp(2.15rem,1.5rem + 3.2vw,3.4rem);font-weight:800;margin:0 0 1rem}
h2{font-size:clamp(1.65rem,1.3rem + 1.6vw,2.25rem);font-weight:700;margin:0 0 .7rem}
h3{font-size:1.08rem;font-weight:700;margin:0 0 .3rem}
p{margin:0 0 .9rem}

.contenedor{max-width:var(--ancho);margin-inline:auto;padding-inline:clamp(18px,4vw,28px)}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.saltar{position:absolute;left:-100vw;top:0;z-index:200;background:var(--negro);color:#fff;padding:.75rem 1.2rem;border-radius:0 0 10px 0;text-decoration:none;font-weight:600}
.saltar:focus{left:0}

:focus-visible{outline:2px solid var(--negro);outline-offset:3px}
.seccion-negra :focus-visible,.pie :focus-visible{outline-color:#fff}

@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
}

.sprite{position:absolute;width:0;height:0;overflow:hidden}
.icono{width:1.2em;height:1.2em;flex:none;display:inline-block;vertical-align:-.18em}
[id]{scroll-margin-top:90px}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;padding:.8rem 1.4rem;border-radius:999px;font-weight:600;font-size:.95rem;line-height:1;text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:transform .15s ease,background-color .2s ease,color .2s ease}
.btn:hover{transform:translateY(-1px)}
.btn-solido{background:var(--negro);color:#fff}
.btn-solido:hover{background:#000}
.btn-linea{border-color:var(--negro);color:var(--negro);background:transparent}
.btn-linea:hover{background:var(--negro);color:#fff}
.btn-blanco{background:#fff;color:var(--negro)}
.btn-blanco:hover{background:#efedea}

.enlace-cta{display:inline-flex;align-items:center;gap:.45rem;width:max-content;max-width:100%;font-weight:600;font-size:.95rem;color:var(--negro);text-decoration:none;border-bottom:1.5px solid var(--negro);padding-bottom:2px}
.enlace-cta .flecha{transition:transform .15s ease}
.enlace-cta:hover .flecha{transform:translateX(3px)}

/* ---------- Encabezado ---------- */
.cabecera{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:border-color .2s ease,box-shadow .2s ease}
.cabecera.con-scroll{border-bottom-color:var(--linea);box-shadow:0 8px 24px rgba(16,16,16,.05)}
.barra-cabecera{display:flex;align-items:center;gap:1.2rem;min-height:74px;position:relative}
.marca{display:flex;align-items:center;gap:.75rem;margin-right:auto;text-decoration:none;color:var(--negro)}
.marca-logo{width:187px;height:auto;max-height:52px;object-fit:contain;object-position:left center;display:block}

.nav-lista{display:flex;align-items:center;gap:1.5rem;list-style:none;margin:0;padding:0}
.nav-lista a{font-size:.95rem;font-weight:500;color:var(--gris-osc);text-decoration:none;transition:color .15s ease}
.nav-lista a:hover{color:var(--negro)}
.cabecera-cta{flex:none}
.nav-cta-movil{display:none}
.menu-boton{display:none}

@media (max-width:960px){
  .cabecera-cta{display:none}
  .menu-boton{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;width:46px;height:46px;flex:none;background:#fff;border:1px solid var(--linea);border-radius:12px;cursor:pointer;padding:0}
  .menu-boton span{display:block;width:18px;height:2px;background:var(--negro);border-radius:2px;transition:transform .2s ease}
  .menu-boton[aria-expanded="true"] span:nth-child(1){transform:translateY(3.5px) rotate(45deg)}
  .menu-boton[aria-expanded="true"] span:nth-child(2){transform:translateY(-3.5px) rotate(-45deg)}
  .nav{position:absolute;top:100%;left:0;right:0;display:none;background:#fff;border-bottom:1px solid var(--linea);box-shadow:0 26px 40px rgba(16,16,16,.09);padding:.3rem 0 1.3rem}
  .cabecera.nav-abierto .nav{display:block}
  .nav-lista{flex-direction:column;align-items:stretch;gap:0;padding:.2rem clamp(18px,4vw,28px)}
  .nav-lista li{border-bottom:1px solid var(--linea)}
  .nav-lista li:last-child{border-bottom:0}
  .nav-lista a{display:block;padding:.9rem 0;font-size:1.02rem}
  .nav-cta-movil{display:inline-flex;margin:1rem clamp(18px,4vw,28px) 0}
}

/* ---------- Hero ---------- */
.hero{padding:clamp(52px,9vw,104px) 0 clamp(44px,7vw,84px)}
.hero-grid{display:grid;grid-template-columns:1fr;gap:clamp(30px,5vw,64px);align-items:center}
@media (min-width:880px){.hero-grid{grid-template-columns:1.05fr .95fr}}
.etiqueta{display:inline-flex;align-items:center;gap:.6rem;margin:0 0 1.1rem;font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gris)}
.etiqueta::before{content:"";width:26px;height:2px;background:var(--negro);flex:none}
.etiqueta-oscura{color:var(--gris-blanco-2)}
.etiqueta-oscura::before{background:#fff}
.hero-sub{font-size:clamp(1.06rem,1rem + .5vw,1.28rem);color:var(--gris);max-width:32em;margin:0 0 2rem}
.hero-acciones{display:flex;flex-wrap:wrap;gap:.8rem}
.hero-foto{margin:0}
.hero-foto img{width:100%;aspect-ratio:640/800;object-fit:cover;border-radius:20px;box-shadow:var(--sombra)}

/* ---------- Secciones ---------- */
.seccion{padding:clamp(56px,8vw,100px) 0}
.seccion-crema{background:var(--crema)}
.seccion-encabezado{max-width:620px;margin-bottom:clamp(26px,4vw,44px)}
.seccion-encabezado p{color:var(--gris);margin:0}

/* ---------- Productos ---------- */
.tarjetas{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(235px,1fr));gap:1.1rem}
.tarjeta{display:flex;flex-direction:column;background:#fff;border:1px solid var(--linea);border-radius:var(--radio);padding:1.7rem 1.6rem 1.5rem;transition:transform .2s ease,box-shadow .2s ease}
.tarjeta:hover{transform:translateY(-3px);box-shadow:var(--sombra)}
.icono-grande{width:30px;height:30px;color:var(--negro);margin-bottom:1rem}
.tarjeta p{color:var(--gris);font-size:.95rem;flex:1;margin:0}
.tarjeta .enlace-cta{margin-top:1.1rem}

/* ---------- Servicio técnico (sección negra) ---------- */
.seccion-negra{background:var(--negro);color:var(--gris-blanco)}
.seccion-negra h2,.seccion-negra h3{color:#fff}
.servicio-grid{display:grid;grid-template-columns:1fr;gap:clamp(28px,5vw,60px);align-items:center}
@media (min-width:880px){.servicio-grid{grid-template-columns:1.1fr .9fr}}
.servicio-intro{max-width:36em}
.servicios{list-style:none;margin:1.8rem 0 0;padding:0;display:grid;border-top:1px solid rgba(255,255,255,.16)}
.servicios li{display:flex;gap:1.1rem;align-items:flex-start;padding:1.35rem 0;border-bottom:1px solid rgba(255,255,255,.16)}
.servicios .icono{width:26px;height:26px;color:#fff;margin-top:.2rem}
.servicios p{margin:0;font-size:.95rem}
.nota-servicio{margin:1.8rem 0 2rem;max-width:42em;border-left:2px solid #fff;padding-left:1.1rem;color:#dcdad6;font-size:.98rem}
.servicio-foto{margin:0}
.servicio-foto img{width:100%;border-radius:20px;box-shadow:0 18px 50px rgba(0,0,0,.45)}

/* ---------- Por qué iExperts ---------- */
.motivos-grid{display:grid;grid-template-columns:1fr;gap:clamp(28px,5vw,60px);align-items:center}
@media (min-width:880px){.motivos-grid{grid-template-columns:.9fr 1.1fr}.motivos-foto{order:-1}}
.motivos{list-style:none;margin:1.4rem 0 0;padding:0;display:grid;gap:1.5rem}
.motivos li{border-top:2px solid var(--negro);padding-top:1.1rem}
.motivo-num{font-size:.78rem;font-weight:700;letter-spacing:.12em;color:var(--gris)}
.motivos h3{margin:.35rem 0 .3rem}
.motivos p{margin:0;color:var(--gris);font-size:.97rem}
.motivos-foto{margin:0}
.motivos-foto img{width:100%;border-radius:20px;box-shadow:var(--sombra)}

/* ---------- Visítanos ---------- */
.visita-grid{display:grid;grid-template-columns:1fr;gap:clamp(28px,5vw,60px);align-items:start}
@media (min-width:880px){.visita-grid{grid-template-columns:1fr 1.05fr}}
.datos{list-style:none;margin:1.8rem 0 0;padding:0;display:grid;gap:1.6rem}
.datos li{display:flex;gap:1rem;align-items:flex-start}
.datos .icono{width:24px;height:24px;margin-top:.2rem;color:var(--negro)}
.datos h3{margin-bottom:.4rem}
.datos p{margin:0;color:var(--gris)}
.datos .enlace-cta{margin-top:.9rem}
.horario{margin:0;border-top:1px solid var(--linea);min-width:min(100%,340px)}
.horario > div{display:flex;justify-content:space-between;gap:1.2rem;padding:.55rem 0;border-bottom:1px solid var(--linea)}
.horario dt{font-weight:600;color:var(--tinta);font-size:.95rem}
.horario dd{margin:0;color:var(--gris);font-size:.95rem;text-align:right}
.visita-mapa{margin:0;border-radius:var(--radio);overflow:hidden;border:1px solid var(--linea);box-shadow:var(--sombra)}
.visita-mapa iframe{display:block;width:100%;height:clamp(300px,44vw,420px);border:0}

/* ---------- Contacto ---------- */
.contacto-lista{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.1rem}
.contacto-tarjeta{border:1px solid var(--linea);border-radius:var(--radio);padding:1.7rem 1.6rem;background:#fff}
.contacto-tarjeta h3{display:flex;align-items:center;gap:.6rem;margin-bottom:.6rem}
.contacto-tarjeta h3 .icono{width:22px;height:22px;color:var(--negro)}
.contacto-tarjeta p{color:var(--gris);font-size:.95rem;margin:0 0 1rem}
.enlace-directo{font-weight:600;color:var(--negro);text-decoration:underline;text-underline-offset:3px}

/* ---------- Pie ---------- */
.pie{background:var(--negro);color:var(--gris-blanco);padding:clamp(48px,6vw,72px) 0 30px}
.pie-superior{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:2.2rem;padding-bottom:2.4rem;border-bottom:1px solid rgba(255,255,255,.15)}
.pie-nombre{color:#fff;font-weight:700;font-size:1.25rem;letter-spacing:-.01em;margin:0 0 .5rem}
.pie-eslogan{margin:0;font-size:.95rem;max-width:26em}
.pie-titulo{font-size:.76rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gris-blanco-2);margin:0 0 1rem}
.pie-enlaces{list-style:none;margin:0;padding:0;display:grid;gap:.6rem}
.pie-enlaces a{display:inline-flex;align-items:center;gap:.55rem;color:#e9e7e3;text-decoration:none;font-size:.95rem}
.pie-enlaces a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.pie-enlaces .icono{width:17px;height:17px}
.pie-inferior{display:flex;flex-wrap:wrap;gap:.6rem 2.5rem;justify-content:space-between;padding-top:1.7rem}
.pie-copia{margin:0;font-size:.88rem}
.pie-descargo{margin:0;font-size:.85rem;max-width:64em;color:var(--gris-blanco-2)}

/* ---------- Páginas legales ---------- */
.legal{padding:clamp(40px,7vw,72px) 0 clamp(60px,8vw,96px)}
.legal-doc{max-width:760px;margin-inline:auto}
.migas{font-size:.9rem;margin:0 0 1.8rem;color:var(--gris)}
.migas a{color:var(--gris)}
.legal-vigencia{display:inline-block;font-size:.9rem;font-weight:600;color:var(--gris);border:1px solid var(--linea);border-radius:999px;padding:.35rem .9rem;margin:0 0 .5rem}
.legal-intro{color:var(--gris-osc);font-size:1.02rem}
.legal-doc h2{font-size:1.22rem;margin:2.5rem 0 .7rem}
.legal-doc p{color:var(--gris-osc)}
.legal-doc ul{color:var(--gris-osc);padding-left:1.2rem;margin:0 0 1rem}
.legal-doc li{margin-bottom:.4rem}
.legal-doc a{color:var(--negro);font-weight:600}
.legal-fin{margin-top:3rem;border-top:1px solid var(--linea);padding-top:1.4rem;color:var(--gris)}
/* ----- iExperts: gráficos propios, sin fotografías falsas ni recursos de terceros ----- */
.hero-escena,.ilustracion-servicio,.ilustracion-tienda{margin:0;overflow:hidden;border-radius:20px;position:relative;isolation:isolate}
.hero-escena{aspect-ratio:640/800;box-shadow:var(--sombra);background:#e9e5dd}
.hero-arte{width:100%;height:100%;position:relative;background:radial-gradient(circle at 74% 24%,#f9f8f5 0,#eeeae3 34%,#ddd7ce 100%)}
.arte-orbita{position:absolute;inset:13% 4% auto auto;width:93%;aspect-ratio:1;border:1px solid #c9c3bb;border-radius:50%}
.arte-orbita:after{content:"";position:absolute;inset:15%;border:1px solid #d9d3cb;border-radius:50%}
.arte-portatil{position:absolute;left:7%;top:31%;width:87%;transform:rotate(-9deg);filter:drop-shadow(2px 28px 26px #29272434)}
.arte-pantalla{aspect-ratio:16/10;border:10px solid #191b20;border-bottom-width:14px;background:linear-gradient(130deg,#0c1224,#3d566b 55%,#b5a99f);border-radius:12px 12px 7px 7px;position:relative}
.arte-pantalla:before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 60% 20%,#a9b9cf80,transparent 55%)}
.arte-brillo{position:absolute;width:40%;height:120%;left:35%;top:-10%;transform:rotate(29deg);background:#ffffff13}
.arte-base{height:12px;width:110%;margin-left:-5%;background:linear-gradient(180deg,#cdd0d2,#7c7f82);clip-path:polygon(6% 0,94% 0,100% 100%,0 100%);border-radius:2px}
.arte-telefono{position:absolute;right:4%;top:45%;width:30%;height:39%;background:linear-gradient(138deg,#33363c,#141517 62%,#68686a);border:7px solid #151515;border-radius:clamp(17px,4vw,33px);transform:rotate(11deg);box-shadow:-20px 18px 35px #0007}
.arte-telefono:after{content:"";position:absolute;inset:3px;border-radius:inherit;border:1px solid #a8abb338;pointer-events:none}
.arte-camara{position:absolute;top:9%;left:13%;width:34%;aspect-ratio:1;border-radius:11px;background:radial-gradient(circle at 27% 28%,#141923 0 22%,transparent 24%),radial-gradient(circle at 72% 64%,#141923 0 22%,transparent 24%),#50545a;border:2px solid #747881}
.arte-reflejo{position:absolute;left:57%;top:0;height:100%;width:12%;transform:rotate(22deg);background:#ffffff0d}
.arte-marca{position:absolute;bottom:6.5%;left:8%;font-size:clamp(1.4rem,3.5vw,2.7rem);font-weight:800;letter-spacing:-.05em;color:#1c1c1c;line-height:1.12}
.arte-marca small{display:block;font-size:.28em;font-weight:700;letter-spacing:.2em;margin-top:.7em}
.ilustracion-servicio{aspect-ratio:800/560;box-shadow:0 18px 50px rgba(0,0,0,.3);background:#222}
.servicio-arte{position:relative;width:100%;height:100%;overflow:hidden;background:radial-gradient(circle at 58% 41%,#50535a 0,#27292f 42%,#18191b 88%)}
.servicio-halo{position:absolute;border:1px solid #8e949b55;aspect-ratio:1;width:80%;border-radius:50%;left:10%;top:-18%;box-shadow:0 0 0 55px #6b73740a,0 0 0 110px #6b73740a}
.servicio-telefono{position:absolute;left:32%;top:9%;width:34%;height:75%;border-radius:28px;border:8px solid #0c0e10;box-shadow:14px 15px 38px #0008;background:linear-gradient(150deg,#7e868a,#23282c)}
.servicio-telefono:before{content:"";position:absolute;top:9px;left:30%;width:40%;height:9px;border-radius:12px;background:#0d0d0d}
.servicio-visor{position:absolute;inset:24% 14%;border:1px solid #aec2c080;border-radius:12px;display:flex;flex-direction:column;justify-content:center;gap:13px;padding:14px}
.servicio-visor span{display:block;width:100%;height:6px;background:#a6c5b799;border-radius:4px}
.servicio-visor span:nth-child(2){width:66%}.servicio-visor span:nth-child(3){width:82%}
.servicio-etiqueta{position:absolute;bottom:5%;left:6%;color:#fff;background:#17191ce8;border:1px solid #ffffff32;border-radius:12px;padding:.7rem 1rem;box-shadow:0 12px 28px #0004}
.servicio-etiqueta strong{display:block;font-size:1.08rem;line-height:1.2}.servicio-etiqueta span{display:block;color:#cdcdcd;font-size:.75rem}
.ilustracion-tienda{aspect-ratio:800/560;background:#e7e2db;box-shadow:var(--sombra)}
.tienda-arte{width:100%;height:100%;position:relative;background:linear-gradient(140deg,#eeeae4,#d8d1c7)}
.tienda-linea{position:absolute;inset:20% 4% 14%;border:1px solid #c7bfb4;border-radius:12px}
.tienda-escaparate{position:absolute;left:14%;top:23%;width:72%;height:52%;border:12px solid #272727;border-bottom-width:19px;border-radius:8px;background:linear-gradient(130deg,#ada69c,#f7f2ec)}
.tienda-vitrina{position:absolute;inset:13%;display:flex;align-items:flex-end;justify-content:space-around;gap:5%;border-bottom:5px solid #807970}
.tienda-vitrina span{display:block;width:25%;height:56%;border:5px solid #313131;border-radius:9px;background:linear-gradient(135deg,#ded7cf,#8b9298);box-shadow:5px 7px 8px #0002}
.tienda-vitrina span:nth-child(2){height:82%;width:30%;background:linear-gradient(145deg,#9a9995,#dfd5c8)}
.tienda-vitrina span:nth-child(3){height:44%}
.tienda-senal{position:absolute;top:6%;left:50%;transform:translateX(-50%);background:#171717;color:#fff;padding:.65rem 1.45rem;min-width:42%;text-align:center;font-size:clamp(1.1rem,2.5vw,1.8rem);font-weight:800;line-height:1.05;letter-spacing:-.04em;box-shadow:0 9px 22px #0004}
.tienda-senal small{display:block;font-size:.38em;font-weight:500;letter-spacing:.05em;margin-top:.55em}
.tienda-ciudad{position:absolute;bottom:4%;left:0;width:100%;margin:0;text-align:center;font-weight:700;letter-spacing:.22em;font-size:.75rem;color:#4c4945}
.visita-ubicacion{min-height:340px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2.4rem 1.4rem;gap:1.4rem;text-align:center;background:radial-gradient(circle at 50% 25%,#eeeae4,#e4dfd7 65%,#d8d3cd);box-shadow:var(--sombra)}
.ubicacion-grafico{height:102px;width:102px;position:relative;display:flex;align-items:center;justify-content:center}
.ubicacion-anillo{position:absolute;inset:0;border:1px solid #bab3ab;border-radius:50%;box-shadow:0 0 0 20px #c9c2b933}
.ubicacion-icono{height:62px;width:62px;color:#202020}
.ubicacion-informacion{display:flex;flex-direction:column;gap:.55rem;align-items:center}
.ubicacion-informacion strong{font-size:1.35rem;color:var(--negro)}
.ubicacion-informacion span{color:var(--gris-osc)}
.ubicacion-informacion a{margin-top:.6rem;font-weight:600;color:#171717;text-underline-offset:3px}
@media(max-width:640px){.hero-escena{aspect-ratio:5/4}.arte-portatil{top:20%;width:74%;left:11%}.arte-telefono{top:21%;height:65%;width:23%;right:10%;border-width:4px}.arte-marca{bottom:6%}.arte-pantalla{border-width:6px;border-bottom-width:10px}.tienda-senal{top:5%}.hero-acciones .btn{max-width:100%}}