/* ==========================================================================
   Carpas Estructurales Martínez — San Juan del Río, Querétaro
   Hoja de estilos única. Creado por Darsis.
   ========================================================================== */

/* --------------------------------------------------------- Tipografías */
@font-face{
  font-family:"Anton";font-style:normal;font-weight:400;font-display:swap;
  src:url("../fuentes/anton-400.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:"Anton";font-style:normal;font-weight:400;font-display:swap;
  src:url("../fuentes/anton-400-ext.woff2") format("woff2");
  unicode-range:U+0100-024F,U+0259,U+1E00-1EFF,U+2020,U+20A0-20AB,U+20AD-20CF,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face{
  font-family:"Barlow";font-style:normal;font-weight:400;font-display:swap;
  src:url("../fuentes/barlow-400.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:"Barlow";font-style:normal;font-weight:400;font-display:swap;
  src:url("../fuentes/barlow-400-ext.woff2") format("woff2");
  unicode-range:U+0100-024F,U+0259,U+1E00-1EFF,U+2020,U+20A0-20AB,U+20AD-20CF,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face{
  font-family:"Barlow";font-style:italic;font-weight:400;font-display:swap;
  src:url("../fuentes/barlow-400-italic.woff2") format("woff2");
}
@font-face{
  font-family:"Barlow";font-style:normal;font-weight:600;font-display:swap;
  src:url("../fuentes/barlow-600.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:"Barlow";font-style:normal;font-weight:600;font-display:swap;
  src:url("../fuentes/barlow-600-ext.woff2") format("woff2");
  unicode-range:U+0100-024F,U+0259,U+1E00-1EFF,U+2020,U+20A0-20AB,U+20AD-20CF,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face{
  font-family:"Barlow";font-style:normal;font-weight:700;font-display:swap;
  src:url("../fuentes/barlow-700.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:"Barlow";font-style:normal;font-weight:700;font-display:swap;
  src:url("../fuentes/barlow-700-ext.woff2") format("woff2");
  unicode-range:U+0100-024F,U+0259,U+1E00-1EFF,U+2020,U+20A0-20AB,U+20AD-20CF,U+2113,U+2C60-2C7F,U+A720-A7FF;
}

:root{
  /* Paleta de marca */
  --negro:#0D0D0D;
  --negro-2:#1C1A15;
  --oro:#F2CD13;
  --ambar:#F2BD1D;
  --bronce:#A67D03;
  --cafe:#8C5C03;

  /* Neutros de lona */
  --lona:#F6F4EE;
  --lona-2:#EBE7DA;
  --lona-3:#DCD7C6;
  --acero:#57544D;

  --ancho:1180px;
  --ancho-texto:68ch;
  --caballete:2.4rem;      /* altura del pico tipo techo de carpa */
  --radio:3px;
}

*,*::before,*::after{box-sizing:border-box}

html{-webkit-text-size-adjust:100%}

body{
  margin:0;
  background:var(--lona);
  color:var(--negro);
  font-family:"Barlow",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;height:auto;display:block}

a{color:var(--cafe);text-underline-offset:3px}
a:hover{color:var(--negro)}

h1,h2,h3,h4{
  font-family:"Anton",Impact,"Arial Narrow",sans-serif;
  font-weight:400;
  line-height:.98;
  letter-spacing:.005em;
  margin:0 0 .5em;
  text-wrap:balance;
}

h1{font-size:clamp(2.5rem,6.4vw,4.6rem);line-height:.92}
h2{font-size:clamp(1.95rem,3.9vw,3rem)}
h3{font-size:clamp(1.25rem,2vw,1.55rem)}
h4{font-size:1.05rem}

p{margin:0 0 1.1em;max-width:var(--ancho-texto)}

ul{margin:0 0 1.1em;padding-left:1.15em}
li{margin-bottom:.4em;max-width:var(--ancho-texto)}

:focus-visible{outline:3px solid var(--bronce);outline-offset:3px}

.contenedor{width:100%;max-width:var(--ancho);margin-inline:auto;padding-inline:1.25rem}

.oculto{
  position:absolute;width:1px;height:1px;overflow:hidden;
  clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;
}

.saltar{
  position:absolute;left:-999px;top:0;z-index:200;
  background:var(--oro);color:var(--negro);padding:.7rem 1rem;font-weight:700;
}
.saltar:focus{left:0}

/* --------------------------------------------------------------- Botones */
.boton{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:"Barlow",sans-serif;font-weight:700;font-size:1.02rem;
  line-height:1.15;text-decoration:none;cursor:pointer;
  padding:.92rem 1.5rem;border:2px solid transparent;border-radius:var(--radio);
  transition:background-color .15s ease,color .15s ease,border-color .15s ease;
}
.boton--oro{background:var(--oro);color:var(--negro);border-color:var(--oro)}
.boton--oro:hover{background:var(--ambar);border-color:var(--negro);color:var(--negro)}

.boton--negro{background:var(--negro);color:#fff;border-color:var(--negro)}
.boton--negro:hover{background:transparent;color:var(--negro)}

.boton--linea{background:transparent;color:var(--negro);border-color:var(--negro)}
.boton--linea:hover{background:var(--negro);color:#fff}

.boton--linea-clara{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.boton--linea-clara:hover{background:#fff;color:var(--negro);border-color:#fff}

.botonera{display:flex;flex-wrap:wrap;gap:.75rem;margin:1.6rem 0 0}

/* --------------------------------------------------------------- Cabecera */
.aviso{
  background:var(--oro);color:var(--negro);
  font-size:.9rem;font-weight:600;
}
.aviso .contenedor{
  display:flex;flex-wrap:wrap;gap:.35rem 1.4rem;
  align-items:center;justify-content:space-between;
  padding-block:.42rem;
}
.aviso a{color:var(--negro);text-decoration:none;font-weight:700}
.aviso a:hover{text-decoration:underline}

.cabecera{
  position:sticky;top:0;z-index:60;
  background:var(--negro);
  border-bottom:1px solid rgba(242,205,19,.25);
}
.cabecera .contenedor{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding-block:.6rem;
}
.marca{display:block;line-height:0}
.marca img{width:auto;height:44px}

.nav{display:flex;align-items:center;gap:1.6rem}
.nav ul{display:flex;gap:1.5rem;list-style:none;margin:0;padding:0}
.nav li{margin:0}
.nav a{
  color:#fff;text-decoration:none;font-weight:600;font-size:1rem;
  padding-block:.35rem;border-bottom:2px solid transparent;
}
.nav a:hover{color:var(--oro);border-bottom-color:var(--oro)}
.nav a[aria-current="page"]{color:var(--oro);border-bottom-color:var(--oro)}

.menu-boton{
  display:none;background:transparent;border:2px solid rgba(255,255,255,.45);
  color:#fff;font:inherit;font-weight:700;padding:.5rem .8rem;border-radius:var(--radio);
}

/* ------------------------------------------------------------------ Héroe */
.heroe{position:relative;background:var(--negro);color:#fff;isolation:isolate;overflow:hidden}
.heroe__foto{
  position:absolute;inset:0;z-index:-2;
  width:100%;height:100%;object-fit:cover;object-position:center 42%;
}
.heroe::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(105deg,rgba(13,13,13,.93) 0%,rgba(13,13,13,.78) 45%,rgba(13,13,13,.32) 100%);
}
.heroe .contenedor{padding-block:clamp(4rem,11vw,8.5rem)}
.heroe h1{color:#fff;max-width:16ch;text-transform:uppercase}
.heroe h1 em{font-style:normal;color:var(--oro);display:block}
.heroe p{color:rgba(255,255,255,.88);font-size:clamp(1.05rem,1.7vw,1.25rem);max-width:52ch}
.heroe .boton--linea-clara{backdrop-filter:blur(2px)}

.heroe--interior .contenedor{padding-block:clamp(3rem,7vw,5.5rem)}
.heroe--interior h1{max-width:20ch}

.miga{font-size:.9rem;color:rgba(255,255,255,.7);margin:0 0 1rem}
.miga a{color:rgba(255,255,255,.85)}

/* ----------------------------------------------------- Franja de garantías */
.franja{background:var(--negro-2);color:#fff}
.franja ul{
  display:grid;gap:1px;list-style:none;margin:0;padding:0;
  grid-template-columns:repeat(auto-fit,minmax(230px,1fr));
  background:rgba(255,255,255,.14);
}
.franja li{
  margin:0;background:var(--negro-2);padding:1.5rem 1.25rem;max-width:none;
}
.franja b{
  display:block;font-family:"Anton",sans-serif;font-weight:400;
  font-size:1.4rem;color:var(--oro);line-height:1.1;margin-bottom:.25rem;
}
.franja span{color:rgba(255,255,255,.78);font-size:.97rem}

/* --------------------------------------------------------------- Secciones */
.seccion{padding-block:clamp(3.2rem,6.5vw,5.5rem)}
.seccion--lona{background:var(--lona-2)}
.seccion--borde{border-top:1px solid var(--lona-3)}

/* Sección oscura con caballete (pico de techo) en el borde superior */
.seccion--techo{
  background:var(--negro);color:#fff;
  padding-top:calc(clamp(3.2rem,6.5vw,5.5rem) + var(--caballete));
  clip-path:polygon(0 var(--caballete),50% 0,100% var(--caballete),100% 100%,0 100%);
  margin-top:calc(var(--caballete) * -1);
  position:relative;
}
.seccion--techo h2,.seccion--techo h3{color:#fff}
.seccion--techo p,.seccion--techo li{color:rgba(255,255,255,.82)}
.seccion--techo a{color:var(--oro)}

.entradilla{max-width:60ch;font-size:1.08rem;color:var(--acero)}
.seccion--techo .entradilla{color:rgba(255,255,255,.8)}

/* ------------------------------------------------------------- Dos columnas */
.duo{
  display:grid;gap:clamp(1.8rem,4vw,3.2rem);
  grid-template-columns:1fr;align-items:center;
}
.duo figure{margin:0}
.duo img{border-radius:var(--radio)}

/* ------------------------------------------------------ Tarjetas venta/renta */
.opciones{display:grid;gap:1.5rem;grid-template-columns:1fr;margin-top:2.5rem}
.opcion{
  background:var(--lona);border:2px solid var(--negro);border-radius:var(--radio);
  padding:1.9rem 1.6rem 1.6rem;display:flex;flex-direction:column;
}
.opcion__etiqueta{
  display:inline-block;align-self:flex-start;background:var(--oro);color:var(--negro);
  font-weight:700;font-size:.88rem;padding:.25rem .65rem;margin-bottom:1rem;
  border-radius:var(--radio);
}
.opcion h3{margin-bottom:.7rem}
.opcion ul{padding-left:0;list-style:none;margin-bottom:1.4rem}
.opcion li{position:relative;padding-left:1.5rem;color:var(--acero)}
.opcion li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:.7rem;height:.7rem;background:var(--oro);
  clip-path:polygon(50% 0,100% 100%,0 100%);
}
.opcion .boton{margin-top:auto;align-self:flex-start}

/* ------------------------------------------------------------ Tabla medidas */
.tabla-envoltura{overflow-x:auto;margin-top:2rem;border:1px solid var(--lona-3)}
/* El color se fija aquí para que la tabla siga siendo legible dentro de
   las secciones oscuras, donde el texto heredado sería blanco. */
table{border-collapse:collapse;width:100%;min-width:640px;background:var(--lona);
      color:var(--negro);font-size:.99rem}
th,td,caption{color:inherit}
caption{
  caption-side:bottom;text-align:left;padding:.85rem 1rem;
  font-size:.9rem;color:var(--acero);background:var(--lona-2);
}
th,td{padding:.72rem 1rem;text-align:left;border-bottom:1px solid var(--lona-3)}
thead th{
  background:var(--negro);color:#fff;font-weight:600;font-size:.93rem;
  border-bottom:3px solid var(--oro);
}
tbody th{font-family:"Anton",sans-serif;font-weight:400;font-size:1.12rem;white-space:nowrap}
tbody tr:nth-child(even) td,tbody tr:nth-child(even) th{background:rgba(220,215,198,.28)}
td:last-child{color:var(--acero)}

/* ---------------------------------------------------------------- Galería */
.galeria{
  display:grid;gap:.85rem;margin-top:2.4rem;align-items:start;
  grid-template-columns:1fr;
}
.galeria figure{margin:0}
.galeria img{
  width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radio);
}
.galeria figcaption{
  font-size:.88rem;color:rgba(255,255,255,.72);padding:.55rem .1rem 0;max-width:none;
}
.galeria--clara figcaption{color:var(--acero)}
@media (min-width:560px){
  .galeria{grid-template-columns:repeat(2,1fr)}
  .galeria .destacada{grid-column:span 2}
  .galeria .destacada img{aspect-ratio:16/9}
}
@media (min-width:960px){
  .galeria{grid-template-columns:repeat(3,1fr)}
}

/* ---------------------------------------------------------------- Proceso */
.proceso{list-style:none;padding:0;margin:2.5rem 0 0;display:grid;gap:1.6rem;
  grid-template-columns:repeat(auto-fit,minmax(230px,1fr));counter-reset:paso}
.proceso li{margin:0;max-width:none;counter-increment:paso;padding-top:1.1rem;
  border-top:3px solid var(--oro)}
.proceso li::before{
  content:"Paso " counter(paso);display:block;
  font-weight:700;font-size:.85rem;color:var(--bronce);margin-bottom:.35rem;
}
.proceso h3{font-size:1.2rem;margin-bottom:.4rem}
.proceso p{font-size:.97rem;margin:0}

/* --------------------------------------------------------------- Cobertura */
.cobertura{
  display:flex;flex-wrap:wrap;gap:.5rem;list-style:none;padding:0;margin:2rem 0 0;
}
.cobertura li{
  margin:0;max-width:none;
  border:1px solid rgba(255,255,255,.28);color:rgba(255,255,255,.9);
  padding:.35rem .8rem;font-size:.95rem;border-radius:var(--radio);
}
.cobertura li:first-child{background:var(--oro);color:var(--negro);border-color:var(--oro);font-weight:700}

/* --------------------------------------------------------- Preguntas (FAQ) */
.faq{margin-top:2.2rem;max-width:80ch;border-top:1px solid var(--lona-3)}
.faq details{border-bottom:1px solid var(--lona-3)}
.faq summary{
  cursor:pointer;list-style:none;padding:1.05rem 2.4rem 1.05rem 0;position:relative;
  font-weight:700;font-size:1.06rem;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";position:absolute;right:.4rem;top:1.45rem;
  width:.8rem;height:.8rem;border-right:3px solid var(--bronce);border-bottom:3px solid var(--bronce);
  transform:rotate(45deg);transition:transform .2s ease;
}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq details p{padding:0 0 1.15rem;margin:0;color:var(--acero)}

/* ------------------------------------------------------------- Cierre / CTA */
.cierre{background:var(--oro);color:var(--negro)}
.cierre h2{max-width:22ch}
.cierre p{max-width:54ch;font-size:1.08rem}
.cierre .boton--negro:hover{background:transparent;color:var(--negro);border-color:var(--negro)}

/* ------------------------------------------------------------------ Contacto */
.datos{list-style:none;padding:0;margin:0;display:grid;gap:1.4rem;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.datos li{margin:0;max-width:none;border-left:4px solid var(--oro);padding-left:1rem}
.datos b{display:block;font-size:.88rem;color:var(--bronce);font-weight:700}
.datos a,.datos span{font-size:1.15rem;font-weight:600;color:var(--negro);text-decoration:none}
.datos a:hover{color:var(--cafe);text-decoration:underline}

.mapa{border:0;width:100%;height:420px;display:block;filter:grayscale(.25)}

/* --------------------------------------------------------------------- Pie */
.pie{background:var(--negro);color:rgba(255,255,255,.75);padding-block:3.2rem 1.5rem;font-size:.97rem}
.pie h4{color:#fff;font-family:"Barlow",sans-serif;font-weight:700;font-size:1rem;margin-bottom:.7rem}
.pie a{color:rgba(255,255,255,.75);text-decoration:none}
.pie a:hover{color:var(--oro);text-decoration:underline}
.pie ul{list-style:none;padding:0;margin:0}
.pie li{margin-bottom:.4em}
.pie__rejilla{display:grid;gap:2rem;grid-template-columns:1fr}
.pie__marca img{height:96px;width:auto;margin-bottom:1rem}
.pie__marca p{max-width:34ch;margin:0}
.pie__enlaces{
  margin-top:2.6rem;padding-top:1.2rem;border-top:1px solid rgba(255,255,255,.16);
  font-size:.88rem;color:rgba(255,255,255,.55);
}
.pie__enlaces p{max-width:none;margin:0}
.pie__enlaces a{color:rgba(255,255,255,.7)}

/* ------------------------------------------------ Barra fija de contacto móvil */
.barra-movil{display:none}

/* ------------------------------------------------------------- Adaptaciones */
@media (min-width:720px){
  .duo{grid-template-columns:1.05fr .95fr}
  .duo--invertido figure{order:-1}
  .opciones{grid-template-columns:1fr 1fr}
  .pie__rejilla{grid-template-columns:1.4fr 1fr 1fr 1fr}
}

@media (max-width:860px){
  .marca img{height:40px}
  .menu-boton{display:block}
  .nav{
    position:absolute;top:100%;left:0;right:0;
    background:var(--negro);border-bottom:3px solid var(--oro);
    flex-direction:column;align-items:stretch;gap:0;padding:.5rem 1.25rem 1.25rem;
  }
  .nav[hidden]{display:none}
  .nav ul{flex-direction:column;gap:0}
  .nav li{border-bottom:1px solid rgba(255,255,255,.12)}
  .nav a{display:block;padding:.85rem 0;border-bottom:0;font-size:1.08rem}
  .nav .boton{margin-top:1rem;width:100%}
  .cabecera{position:relative}

  body{padding-bottom:4.2rem}
  .barra-movil{
    display:grid;grid-template-columns:1fr 1fr;gap:1px;
    position:fixed;left:0;right:0;bottom:0;z-index:70;
    background:var(--negro);border-top:2px solid var(--oro);
  }
  .barra-movil a{
    padding:.95rem .5rem;text-align:center;font-weight:700;text-decoration:none;font-size:1rem;
  }
  .barra-movil a:first-child{background:var(--negro);color:#fff}
  .barra-movil a:last-child{background:var(--oro);color:var(--negro)}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

@media print{
  .cabecera,.aviso,.barra-movil,.cierre{display:none}
  body{background:#fff;color:#000}
}