/* ===========================================================
   PIRCA PERÚ — portada
   Claro, vial, de papel contra realidad.
   Se carga DESPUÉS de estilos.css y solo en la portada.
   Colores con significado: asfalto (texto), cono (acción y alerta),
   señal verde (en orden), piedra (superficies), blanco.
   =========================================================== */

@font-face{
  font-family:"Archivo";
  src:url("/assets/fonts/archivo.woff2") format("woff2");
  font-weight:100 900;
  font-stretch:62% 125%;
  font-display:swap;
}

body.portada{
  --blanco:#FFFFFF;
  --piedra:#EEF0F2;
  --piedra-2:#E1E5E9;
  --linea:#D3D8DE;
  --asfalto:#262B31;
  --asfalto-2:#5A626C;
  --cono:#FF6A13;
  --cono-osc:#B84300;      /* el naranja no tiene contraste como texto sobre blanco */
  --verde:#0A7B4F;
  --tinta-bolígrafo:#27479A;
  --ancho:1240px;
  --acento:var(--cono-osc);
  font-family:"Archivo",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:17px;
  color:var(--asfalto);
  background:var(--blanco);
  font-variant-numeric:tabular-nums;
}
body.portada .env{padding-left:clamp(16px,4vw,48px);padding-right:clamp(16px,4vw,48px)}
body.portada ::selection{background:var(--cono);color:#111}
body.portada :focus-visible{outline:3px solid var(--cono);outline-offset:3px}

/* ---------- cabecera ---------- */
body.portada .top{background:rgba(255,255,255,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
body.portada .marca{color:var(--asfalto)}
body.portada .marca svg path:first-child{fill:var(--asfalto)}
body.portada .correo-top{display:none}
.enlaces{display:none}
@media(min-width:900px){
  body.portada .hamb{display:none}
  .enlaces{display:flex;align-items:center;gap:30px}
  .enlaces a{color:var(--asfalto);text-decoration:none;font-weight:600;font-size:.95rem}
  .enlaces a:hover{color:var(--cono-osc)}
}

/* ---------- botones ---------- */
.cono{
  display:inline-block;padding:15px 26px;border-radius:6px;
  background:var(--cono);color:#16181B !important;font-weight:750;font-size:1.02rem;
  text-decoration:none;border:0;cursor:pointer;
  transition:background .2s ease, transform .2s ease;
}
.cono:hover{background:#FF7E33;transform:translateY(-1px)}
.cono.mini{padding:10px 18px;font-size:.92rem}
.enlace{
  color:var(--asfalto) !important;font-weight:650;text-decoration:underline;
  text-underline-offset:5px;text-decoration-thickness:2px;text-decoration-color:var(--cono);
}
.enlace:hover{text-decoration-color:var(--asfalto)}

/* ---------- tipografía de sección ---------- */
.t2{
  font-size:clamp(1.8rem,4vw,3rem);font-weight:800;font-stretch:112%;
  letter-spacing:-.022em;line-height:1.06;margin:0 0 16px;max-width:20ch;color:var(--asfalto);
}
.baja{color:var(--asfalto-2);font-size:1.08rem;max-width:56ch;margin:0}
.seccion{padding:clamp(64px,9vw,120px) 0}

/* ===========================================================
   HERO
   =========================================================== */
.hero2{padding:clamp(36px,5vw,76px) 0 0}
.hero2 h1{
  font-size:clamp(2.4rem,6.4vw,5.6rem);font-weight:800;font-stretch:118%;
  line-height:1.02;letter-spacing:-.03em;max-width:15ch;margin:0 0 22px;color:var(--asfalto);
}
.hero2 .sub{font-size:clamp(1.06rem,1.6vw,1.26rem);max-width:50ch;color:var(--asfalto-2);margin:0 0 30px}
.hero2 .acciones{display:flex;flex-wrap:wrap;gap:16px 30px;align-items:center}

/* ---------- el comparador ---------- */
.vs{
  --pos:50%;
  position:relative;margin-top:clamp(36px,5vw,64px);
  height:clamp(520px,44vw,580px);overflow:hidden;
  border:1px solid var(--linea);border-bottom:0;border-radius:6px 6px 0 0;
  background:#fff;user-select:none;-webkit-user-select:none;
}
.vs .capa{position:absolute;inset:0}
.vs .papel{
  background:
    repeating-linear-gradient(transparent 0 35px, #E9EDF2 35px 36px),
    #fff;
  background-position:0 20px;
}
.vs .real{background:var(--piedra);clip-path:inset(0 0 0 var(--pos))}
.vs .rotulo{
  position:absolute;top:18px;font-size:.9rem;font-weight:700;
  padding:7px 12px;border-radius:4px;
}
.vs .papel .rotulo{left:clamp(14px,3vw,36px);background:#fff;border:1px solid var(--linea);color:var(--asfalto-2)}
.vs .real .rotulo{right:clamp(14px,3vw,36px);background:var(--asfalto);color:#fff}

.vs svg.plano{position:absolute;inset:0;width:100%;height:100%}
.vs .calle{stroke:#fff;stroke-width:14;fill:none;stroke-linecap:round}
.vs .calle.f{stroke-width:7}
.vs .manzana{fill:var(--piedra-2)}
.vs .ruta-plan{stroke:var(--asfalto-2);stroke-width:3;stroke-dasharray:7 8;fill:none}
.vs .ruta-real{stroke:var(--cono);stroke-width:6;fill:none;stroke-linecap:round;stroke-linejoin:round}
.vs .pin circle{fill:var(--asfalto)}
.vs .pin text{font:700 15px "Archivo",system-ui,sans-serif;fill:#fff}
.vs .pin rect{fill:var(--asfalto)}
.vs .pin.alerta rect,.vs .pin.alerta circle{fill:var(--cono)}
.vs .pin.alerta text{fill:#16181B}

/* filas: mismas etiquetas y misma altura en las dos capas, para comparar en horizontal */
.vs dl{position:absolute;top:84px;width:min(44%,430px);margin:0;display:grid;grid-template-columns:1fr}
.vs dl > div{
  height:58px;display:flex;flex-direction:column;justify-content:center;
  border-bottom:1px solid var(--linea);padding:0 2px;
}
.vs dt{font-size:.78rem;font-weight:600;color:var(--asfalto-2);line-height:1.2}
.vs dd{margin:2px 0 0;font-size:1.12rem;font-weight:700;line-height:1.2}
.vs .papel dl{left:clamp(14px,3vw,36px)}
.vs .papel dd{
  font-style:italic;font-weight:500;color:var(--tinta-bolígrafo);
  transform:rotate(-.7deg);transform-origin:left center;
}
.vs .real dl{
  right:clamp(14px,3vw,36px);background:rgba(255,255,255,.94);
  padding:0 14px;border:1px solid var(--linea);border-radius:4px;
}
.vs .real dd .mas{color:var(--cono-osc)}
.vs .real dd .ok{color:var(--verde)}
.vs .pie{
  position:absolute;bottom:16px;font-size:.84rem;color:var(--asfalto-2);
  left:clamp(14px,3vw,36px);right:clamp(14px,3vw,36px);
}
.vs .papel .firma{
  position:absolute;left:clamp(14px,3vw,36px);bottom:52px;width:min(44%,430px);
  border-top:1px solid var(--asfalto);padding-top:6px;font-size:.8rem;color:var(--asfalto-2);
}

.vs .asa{
  position:absolute;top:0;bottom:0;left:var(--pos);width:3px;margin-left:-1.5px;
  background:var(--asfalto);pointer-events:none;
}
.vs .asa i{
  position:absolute;top:84%;left:50%;width:52px;height:52px;margin:-26px 0 0 -26px;border-radius:50%;
  background:var(--cono);display:grid;place-items:center;
  box-shadow:0 0 0 5px #fff, 0 6px 18px rgba(0,0,0,.25);
}
.vs .asa svg{width:26px;height:26px}
.vs input.mando-vs{
  position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize;
  touch-action:pan-y;-webkit-appearance:none;appearance:none;
}
.vs input.mando-vs:focus-visible ~ .asa i{outline:3px solid var(--asfalto);outline-offset:4px}
.vs-nota{margin:12px 0 0;font-size:.88rem;color:var(--asfalto-2)}

/* el muro de piedra seca: la pirca */
.muro{
  height:36px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='96' height='36'%3E%3Cg fill='%23E1E5E9'%3E%3Crect x='0' y='0' width='92' height='16' rx='3'/%3E%3Crect x='-44' y='18' width='92' height='16' rx='3'/%3E%3Crect x='52' y='18' width='92' height='16' rx='3'/%3E%3C/g%3E%3C/svg%3E");
  background-size:96px 36px;
  border-top:1px solid var(--linea);
}

@media(max-width:640px){
  .vs{height:560px}
  .vs dl{width:47%;top:78px}
  .vs dl > div{height:64px}
  .vs dd{font-size:.98rem}
  .vs dt{font-size:.72rem}
  .vs .real dl{padding:0 8px}
  .vs .rotulo{font-size:.78rem;line-height:1.2;padding:6px 9px;top:14px;max-width:44%}
  .vs .papel .firma{width:47%}
}

/* ===========================================================
   LA HISTORIA — mapa fijo, cuatro dolores
   =========================================================== */
.historia{background:var(--piedra)}
.historia .cab{margin-bottom:clamp(32px,5vw,64px)}
.hist-grid{display:grid;gap:0}
@media(min-width:900px){.hist-grid{grid-template-columns:1.05fr 1fr;gap:clamp(32px,5vw,72px)}}

.mapa-fijo{
  position:sticky;top:58px;z-index:2;
  height:38vh;min-height:250px;background:#fff;border:1px solid var(--linea);border-radius:6px;overflow:hidden;
}
@media(min-width:900px){.mapa-fijo{top:96px;height:min(640px,calc(100vh - 140px));align-self:start}}
.mapa-fijo svg{position:absolute;inset:0;width:100%;height:100%}
.mapa-fijo .base{transition:opacity .5s ease}
.mapa-fijo .calle{stroke:var(--piedra);stroke-width:14;fill:none;stroke-linecap:round}
.mapa-fijo .calle.f{stroke-width:7}
.mapa-fijo .manzana{fill:#F5F6F8}
.mapa-fijo .plan{stroke:var(--asfalto-2);stroke-width:3;stroke-dasharray:7 8;fill:none;opacity:0;transition:opacity .5s}
.mapa-fijo .real{stroke:var(--cono);stroke-width:6;fill:none;stroke-linecap:round;stroke-linejoin:round;
  stroke-dasharray:var(--L,2000);stroke-dashoffset:var(--L,2000);transition:stroke-dashoffset 1.6s cubic-bezier(.3,.7,.2,1)}
.mapa-fijo.dibujada .real{stroke-dashoffset:0}
.mapa-fijo .cap{opacity:0;transition:opacity .45s ease;pointer-events:none}
.mapa-fijo .pinp circle{fill:var(--asfalto)}
.mapa-fijo .pinp rect{fill:var(--asfalto)}
.mapa-fijo .pinp text{font:700 15px "Archivo",system-ui,sans-serif;fill:#fff}
.mapa-fijo .alerta rect,.mapa-fijo .alerta circle{fill:var(--cono)}
.mapa-fijo .alerta text{fill:#16181B}
.mapa-fijo .hoja{fill:#fff;stroke:var(--linea)}
.mapa-fijo .rotulo-svg{font:700 17px "Archivo",system-ui,sans-serif;fill:var(--asfalto)}
.mapa-fijo .chico{font:600 14px "Archivo",system-ui,sans-serif;fill:var(--asfalto-2)}
.mapa-fijo .cono-cam{fill:rgba(255,106,19,.22);stroke:var(--cono);stroke-width:2}
.mapa-fijo .tanque{fill:#fff;stroke:var(--asfalto);stroke-width:3}
.mapa-fijo .camion{fill:var(--asfalto)}
.mapa-fijo .persona{fill:var(--cono)}

/* qué capas se ven en cada paso */
.mapa-fijo[data-paso="1"] .cap-1,
.mapa-fijo[data-paso="2"] .cap-2,
.mapa-fijo[data-paso="3"] .cap-3,
.mapa-fijo[data-paso="4"] .cap-4{opacity:1}
.mapa-fijo[data-paso="2"] .plan{opacity:1}
.mapa-fijo[data-paso="3"] .base,.mapa-fijo[data-paso="4"] .base{opacity:.14}

.pasos article{
  min-height:44vh;display:flex;flex-direction:column;justify-content:center;
  padding:22px 0;opacity:.38;transition:opacity .4s ease;
}
.pasos article.activo{opacity:1}
@media(min-width:900px){.pasos article{min-height:46vh}}
.pasos h3{
  font-size:clamp(1.4rem,2.6vw,2rem);font-weight:800;font-stretch:108%;letter-spacing:-.018em;
  line-height:1.12;margin:0 0 14px;max-width:18ch;
}
.pasos p{color:var(--asfalto-2);font-size:1.06rem;max-width:44ch;margin:0 0 10px}
.pasos .ves{color:var(--asfalto);font-weight:600}
.pasos .ojo{font-size:.9rem;color:var(--asfalto-2)}
.pasos .ves b{color:var(--verde)}

/* ===========================================================
   CALCULADORA
   =========================================================== */
.calc{display:grid;gap:clamp(28px,4vw,56px);margin-top:44px}
@media(min-width:960px){.calc{grid-template-columns:1fr 1fr;align-items:stretch}}
.mando + .mando{margin-top:34px}
.mando label{display:flex;justify-content:space-between;align-items:baseline;gap:14px;font-weight:700;margin-bottom:10px}
.mando label output{font-size:1.3rem;font-weight:800;font-stretch:110%;white-space:nowrap}
.mando small{display:block;color:var(--asfalto-2);margin-top:6px;font-size:.9rem}

input[type=range].rango{-webkit-appearance:none;appearance:none;width:100%;height:30px;background:transparent;cursor:pointer;--p:50%}
input[type=range].rango::-webkit-slider-runnable-track{height:8px;border-radius:2px;background:linear-gradient(90deg,var(--asfalto) var(--p), var(--piedra-2) var(--p))}
input[type=range].rango::-moz-range-track{height:8px;border-radius:2px;background:var(--piedra-2)}
input[type=range].rango::-moz-range-progress{height:8px;border-radius:2px;background:var(--asfalto)}
input[type=range].rango::-webkit-slider-thumb{-webkit-appearance:none;width:26px;height:26px;border-radius:50%;background:var(--cono);border:4px solid #fff;margin-top:-9px;box-shadow:0 0 0 2px var(--asfalto)}
input[type=range].rango::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--cono);border:4px solid #fff;box-shadow:0 0 0 2px var(--asfalto)}

.resultado{background:var(--piedra);border-radius:6px;padding:clamp(24px,3.4vw,40px);display:flex;flex-direction:column}
.resultado .peq{font-size:.95rem;font-weight:650;color:var(--asfalto-2)}
.resultado .grande{
  font-size:clamp(2.8rem,6.6vw,4.4rem);font-weight:800;font-stretch:115%;
  letter-spacing:-.035em;line-height:1;margin:8px 0 22px;
}
.resultado .par2{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:0 0 20px;padding-top:20px;border-top:1px solid var(--linea)}
.resultado .par2 b{display:block;font-size:1.5rem;font-weight:800;font-stretch:108%;margin-top:4px}
.resultado .formula{font-size:.86rem;color:var(--asfalto-2);margin:0 0 24px}
.resultado .cono{margin-top:auto;align-self:flex-start}

.norma{margin-top:36px;border-top:1px solid var(--linea)}
.norma summary{cursor:pointer;padding:18px 0;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:12px}
.norma summary::after{content:"+";font-size:1.5rem;line-height:1;color:var(--cono-osc);transition:transform .2s}
.norma[open] summary::after{transform:rotate(45deg)}
.norma summary::-webkit-details-marker{display:none}
.norma .cuerpo{padding:0 0 22px;color:var(--asfalto-2);max-width:62ch}
.norma ul{margin:0 0 12px;padding-left:20px}
.norma a{color:var(--asfalto)}

/* ===========================================================
   EL EQUIPO
   =========================================================== */
.equipo2{display:grid;gap:clamp(28px,4vw,56px);margin-top:44px;align-items:start}
@media(min-width:960px){.equipo2{grid-template-columns:5fr 7fr}}
.equipo2 figure{margin:0}
.equipo2 img{width:100%;height:auto;display:block;border-radius:6px}
.equipo2 figcaption{margin-top:10px;font-size:.9rem;color:var(--asfalto-2)}
table.comp{width:100%;border-collapse:collapse;font-size:1rem}
table.comp th,table.comp td{padding:15px 10px;text-align:left;border-bottom:1px solid var(--linea);vertical-align:top}
table.comp thead th{border-bottom:2px solid var(--asfalto);vertical-align:bottom;font-weight:700}
table.comp thead .precio{display:block;font-size:1.6rem;font-weight:800;font-stretch:110%;letter-spacing:-.02em;margin-top:4px}
table.comp thead .precio small{font-size:.5em;font-weight:600;color:var(--asfalto-2);letter-spacing:0}
table.comp tbody th{font-weight:500;color:var(--asfalto-2)}
table.comp td{font-weight:650}
table.comp .si{color:var(--verde)}
table.comp .no{color:var(--linea)}
table.comp tfoot td{border-bottom:0;padding-top:22px}
table.comp .col-dms{background:#fff}
.incluye{margin:20px 0 0;color:var(--asfalto-2);font-size:.92rem;max-width:62ch}

/* ---------- auto ---------- */
.franja-auto{border-top:1px solid var(--linea);padding:34px 0}
.franja-auto .env{display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center;justify-content:space-between}
.franja-auto p{margin:0;font-size:1.1rem}
.franja-auto p span{color:var(--asfalto-2)}

/* ---------- pie y barra ---------- */
body.portada footer{background:var(--piedra);border-top:1px solid var(--linea)}
body.portada .barra{background:rgba(255,255,255,.96);margin-top:0}
body.portada .barra .btn{background:var(--cono);color:#16181B}
body.portada .barra .btn.linea{background:transparent;border:1.5px solid var(--asfalto);color:var(--asfalto)}
@media(min-width:900px){body.portada .barra{display:none}}

/* ---------- movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce){
  .mapa-fijo .real{transition:none}
  .mapa-fijo .cap,.mapa-fijo .base,.pasos article,.cono{transition:none}
}