@font-face{font-family:'Archivo';src:url("../fonts/archivo.woff2") format("woff2");font-weight:100 900;font-stretch:62% 125%;font-display:swap}
@font-face{font-family:'IBM Plex Sans';src:url("../fonts/ibm-plex-sans.woff2") format("woff2");font-weight:100 700;font-display:swap}

:root{
  color-scheme:dark;
  --ink:#14201C; --ink-2:#1D2E28; --panel:rgba(20,32,28,.72); --panel-2:rgba(29,46,40,.82);
  --text:#EEF0EE; --soft:#A9B8B2; --line:rgba(238,240,238,.12);
  /* Verde del logo de DELMEC */
  --green:#5EBB46; --blue:#2FA0D6; --red:#E05A3E;
  --claro:#E9ECE5;
  --disp:'Archivo','Arial Narrow',sans-serif;
  --sans:'IBM Plex Sans',-apple-system,'Segoe UI',sans-serif;
  --ease:cubic-bezier(.23,1,.32,1);
  --t-h1:clamp(2.4rem,6vw,4.9rem); --t-h2:clamp(1.9rem,4.2vw,3.2rem); --t-h3:clamp(1.3rem,2.2vw,1.7rem); --t-small:.875rem;
  --sec-y:clamp(72px,10vw,128px);
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ink);color:var(--text);font-family:var(--sans);font-size:1.04rem;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:clip}
/* Títulos en Archivo ancho: repite la letra extendida del logo */
h1,h2,h3{font-family:var(--disp);font-weight:800;font-stretch:115%;font-variation-settings:"wdth" 115;line-height:1;margin:0;letter-spacing:-.02em;text-wrap:balance}
p{margin:0;max-width:62ch}
ul{margin:0;padding:0;list-style:none}
dl,dd{margin:0}
a{color:inherit}
img{max-width:100%}
:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:4px}
.wrap{width:100%;max-width:1180px;margin-inline:auto;padding-inline:max(20px,env(safe-area-inset-left,0px))}
section[id],article[id]{scroll-margin-top:76px}
.saltar{position:absolute;left:12px;top:-60px;z-index:60;background:var(--green);color:var(--ink);padding:10px 16px;border-radius:6px;font-weight:600;text-decoration:none}
.saltar:focus{top:12px}
.escena{position:fixed;inset:0;width:100%;height:100%;z-index:-1;display:block;pointer-events:none;animation:aparece .8s var(--ease) both}
@keyframes aparece{from{opacity:0}}
/* El recorrido de la portada aparece cuando el video tiene su primer cuadro */
.escena.recorrido{animation:none;opacity:0;transition:opacity .9s var(--ease);object-fit:cover;background:var(--ink);filter:brightness(.78)}
.escena.recorrido.lista{opacity:1}
/* Fotos fijas debajo del video: fondo de respaldo mientras carga o si el navegador no lo deja cargar */
.escena.fotos{z-index:-2;background:var(--ink);animation:none}
.escena.fotos img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:brightness(.78);opacity:0;transition:opacity .6s var(--ease)}
.escena.fotos img.activa{opacity:1}

/* Color de cada sistema */
.c-green{--c:var(--green)}.c-blue{--c:var(--blue)}.c-red{--c:var(--red)}
.c-green,.c-blue,.c-red{--accent:var(--c)}

/* ---------- Encabezado ---------- */
.top{position:fixed;inset:0 0 auto;z-index:50;transition:background-color .3s,box-shadow .3s}
.top.scrolled{background:rgba(20,32,28,.92);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 1px 0 var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:20px;transition:padding .3s var(--ease)}
.top.scrolled .nav{padding-block:12px}
.logo{display:block;padding-block:6px}
.logo img{display:block;height:24px;width:auto}
.navlinks{display:flex;align-items:center;gap:30px;font-size:.95rem;font-weight:500}
.navlinks a{text-decoration:none;color:var(--soft);transition:color .2s}
.navlinks a[aria-current]{color:var(--text)}
.btn{display:inline-flex;align-items:center;gap:.6em;font-family:var(--sans);font-weight:600;font-size:1rem;text-decoration:none;border:0;cursor:pointer;
  padding:.85em 1.4em;border-radius:6px;background:var(--green);color:var(--ink);transition:transform .16s var(--ease),background-color .2s,color .2s}
.btn:active{transform:scale(.97)}
.btn-sm{padding:.6em 1.1em;font-size:.92rem}
.btn-ghost{background:transparent;color:var(--text);box-shadow:inset 0 0 0 1px rgba(238,240,238,.35)}
.btn svg{width:1.1em;height:1.1em;transition:transform .2s var(--ease)}
.menu-toggle{display:none;background:none;border:0;padding:10px;margin-right:-10px;cursor:pointer;color:var(--text)}
.menu-toggle span{display:block;width:22px;height:2px;background:currentColor;margin:5px 0;transition:transform .25s var(--ease),opacity .2s}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{display:none}
@media (hover:hover) and (pointer:fine){
  .navlinks a:hover{color:var(--text)}
  .btn:hover{background:var(--text)}
  .btn:hover svg{transform:translateX(3px)}
  .btn-ghost:hover{background:rgba(238,240,238,.08);color:var(--text)}
}
@media (max-width:820px){
  .navlinks{display:none}
  .menu-toggle{display:block}
  .logo img{height:20px}
  .mobile-menu{display:grid;background:rgba(20,32,28,.97);border-top:1px solid var(--line)}
  .mobile-menu[hidden]{display:none!important}
  .mobile-menu a{padding:16px 20px;text-decoration:none;border-bottom:1px solid var(--line);font-size:1.05rem}
  .mobile-menu .btn{margin:16px 20px;justify-content:center}
}

/* ---------- Texto pequeño sobre los títulos (páginas de sistema) ---------- */
.eyebrow{display:flex;align-items:center;gap:10px;font-weight:600;font-size:var(--t-small);color:var(--soft);margin-bottom:18px}
.eyebrow::before{content:"";width:22px;height:5px;background:var(--accent,var(--green))}

/* ---------- Hero ---------- */
.hero{min-height:min(100svh,960px);display:flex;align-items:center;padding-block:clamp(120px,15vw,170px) clamp(64px,8vw,96px);position:relative}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(ellipse 70% 80% at 15% 50%,rgba(20,32,28,.92) 0%,rgba(20,32,28,.6) 50%,rgba(20,32,28,0) 100%)}
.hero-text{max-width:860px;display:grid;gap:26px;justify-items:start}
.hero-sello{font-weight:600;font-size:.95rem;color:var(--soft)}
.hero h1{font-size:var(--t-h1);font-stretch:120%;font-variation-settings:"wdth" 120;line-height:.98}
.hero .lede{font-size:clamp(1.1rem,1.6vw,1.25rem);color:var(--soft);max-width:50ch}
.hero-ctas{display:flex;flex-wrap:wrap;gap:12px}
/* Tres barras como las de la E del logo: arriba y abajo largas, la del medio más corta */
.barras{display:grid;gap:8px;margin-top:10px}
.barras a{display:flex;align-items:center;gap:16px;text-decoration:none;color:var(--soft);font-size:.95rem;padding-block:3px}
.barras a::before{content:"";flex:none;width:72px;height:12px;background:var(--c);transform-origin:left;transition:transform .3s var(--ease)}
.barras li:nth-child(2) a::before{width:56px;margin-right:16px}
.barras b{font-family:var(--disp);font-stretch:112%;font-variation-settings:"wdth" 112;font-weight:700;color:var(--text);margin-right:6px}
@media (hover:hover) and (pointer:fine){.barras a:hover::before{transform:scaleX(1.25)}.barras a:hover{color:var(--text)}}
.hero-text>*{animation:sube .7s var(--ease) both}
.hero-text>*:nth-child(2){animation-delay:.06s}.hero-text>*:nth-child(3){animation-delay:.12s}.hero-text>*:nth-child(4){animation-delay:.18s}.hero-text>*:nth-child(5){animation-delay:.24s}
@keyframes sube{from{opacity:0;transform:translateY(18px)}}

/* ---------- Secciones ---------- */
.sec{padding-block:var(--sec-y);background:var(--panel)}
.sin-recorrido .sec,.sec.solido{background:var(--ink)}
.sec-head{max-width:680px;margin-bottom:clamp(36px,5vw,56px)}
.sec-head h2{font-size:var(--t-h2)}
.sec-head p{color:var(--soft);margin-top:16px}

/* ---------- Sistemas ---------- */
.sistema{padding-block:clamp(48px,7vw,80px);background:var(--panel);border-top:1px solid var(--line);--accent:var(--c)}
.sistema-tarjeta{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:20px clamp(28px,5vw,72px);align-items:start}
.sistema-nombre{font-size:clamp(2.2rem,4.4vw,3.4rem);font-stretch:120%;font-variation-settings:"wdth" 120;color:var(--c)}
.sistema-uso{color:var(--soft);font-weight:500;margin-top:6px}
.sistema p{color:var(--text)}
.datos{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 28px;margin-top:20px}
.datos li{position:relative;padding-left:22px}
.datos li::before{content:"";position:absolute;left:0;top:.6em;width:12px;height:5px;background:var(--c)}
.certificados{margin-top:20px;color:var(--soft);font-size:.92rem}
.mas{display:inline-flex;align-items:center;gap:8px;margin-top:20px;font-weight:600;text-decoration:none;color:var(--c);padding-block:6px;border-bottom:2px solid currentColor}
.mas svg{width:1em;height:1em;transition:transform .2s var(--ease)}
@media (hover:hover) and (pointer:fine){.mas:hover svg{transform:translateX(4px)}}
@media (max-width:760px){.sistema-tarjeta{grid-template-columns:minmax(0,1fr)}.datos{grid-template-columns:minmax(0,1fr)}}

/* ---------- Recorrido de la portada: las tarjetas flotan sobre el video de escenas ---------- */
.con-recorrido .sec-recorrido{background:transparent}
.con-recorrido .sec-recorrido .sec-head,.con-recorrido .sistema-tarjeta,.armado .sec-head{background:var(--panel-2);border:1px solid var(--line);border-radius:12px;padding:28px;max-width:540px}
.con-recorrido .sistema-tarjeta{border-top:6px solid var(--c)}
.con-recorrido .sec-recorrido .sec-head{margin-bottom:0}
.con-recorrido .sistema{background:transparent;border-top:0;min-height:150svh;display:flex;align-items:center;padding-block:96px}
.con-recorrido .sistema-tarjeta{grid-template-columns:minmax(0,1fr);gap:16px}
.con-recorrido .datos{grid-template-columns:minmax(0,1fr)}
@media (max-width:760px){
  /* En celular el recorrido es más corto y las tarjetas compactas, para que se vea la escena */
  .con-recorrido .sistema{min-height:85svh;align-items:flex-end;padding-block:72px 24px}
  .con-recorrido .sec-recorrido .sec-head,.con-recorrido .sistema-tarjeta,.armado .sec-head{padding:18px 20px}
  .con-recorrido .sistema-tarjeta{gap:10px}
  .con-recorrido .sistema-tarjeta>div:last-child>p,.con-recorrido .sistema .certificados{display:none}
  .con-recorrido .sistema .datos{margin-top:0;gap:6px}
  .con-recorrido .sistema .datos li:nth-child(n+3){display:none}
  .con-recorrido .sistema .mas{margin-top:8px}
  .con-recorrido .sistema-nombre{font-size:2rem}
}

/* ---------- Cómo se instala: el video muestra la termofusión mientras se baja ---------- */
.proceso,.armado{background:transparent;padding:0}
.proceso .pegado,.armado .pegado{position:sticky;top:0;min-height:100svh;display:flex;align-items:center;padding-block:96px}
.con-recorrido .proceso{min-height:220svh}
.con-recorrido .armado{min-height:260svh}
.armado .pegado{align-items:flex-end}
.armado .sec-head{margin:0}
.armado .nota{font-size:var(--t-small);margin-top:14px;opacity:.75}
.sin-recorrido .armado{padding-block:var(--sec-y)}
.sin-recorrido .armado .pegado{position:static;min-height:0;padding:0}
@media (max-width:760px){
  .con-recorrido .proceso{min-height:135svh}
  .con-recorrido .armado{min-height:135svh}
  .proceso .pegado{align-items:flex-start;padding-top:80px}
  .proceso .pegado .sec-head{padding:18px 20px}
  .proceso .sec-head>p,.armado .sec-head>p:not(.nota){display:none}
  .pasos{margin-top:14px}
  /* En celular solo los nombres de los pasos, para dejar ver la termofusión abajo */
  .pasos{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:16px}
  .pasos span{display:none}
  .proceso .pasos b{font-size:1.05rem}
}
.proceso .sec-head{background:var(--panel);padding:28px;border-radius:12px;margin:0;max-width:520px}
.pasos{display:grid;gap:4px;margin:22px 0 0;padding:0;list-style:none}
.pasos li{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;align-items:baseline;padding:10px 0;border-top:1px solid var(--line);transition:opacity .3s}
.pasos li::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--soft);transition:background-color .3s,transform .3s var(--ease);transform:translateY(-1px)}
.pasos b{font-family:var(--disp);font-stretch:112%;font-variation-settings:"wdth" 112;font-size:1.2rem;font-weight:700}
.pasos span{grid-column:2;color:var(--soft);font-size:.95rem}
.con-recorrido .pasos li{opacity:.6}
.con-recorrido .pasos li.is-on{opacity:1}
.pasos li.is-on::before{background:var(--green);transform:translateY(-1px) scale(1.3)}

/* ---------- Empresa ---------- */
.empresa{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:40px clamp(40px,7vw,96px);align-items:start}
.empresa h2{font-size:var(--t-h2)}
.hechos{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:clamp(32px,5vw,56px)}
.hechos div{display:flex;flex-direction:column-reverse;justify-content:flex-end;border-top:5px solid var(--green);padding-top:14px}
.hechos dd{font-family:var(--disp);font-weight:800;font-stretch:118%;font-variation-settings:"wdth" 118;font-size:clamp(1.2rem,2vw,1.5rem);line-height:1.1}
.hechos dt{color:var(--soft);font-size:var(--t-small);font-weight:500;margin-top:6px}
.empresa-texto{display:grid;gap:18px;color:var(--soft)}
.empresa-texto p:first-child{color:var(--text);font-size:1.15rem}
.compromiso{display:grid;gap:10px;margin-top:6px;color:var(--text)}
.compromiso li{position:relative;padding-left:24px}
.compromiso li::before{content:"";position:absolute;left:0;top:.6em;width:12px;height:5px;background:var(--green)}
@media (max-width:860px){.empresa{grid-template-columns:minmax(0,1fr)}}
@media (max-width:480px){.hechos{grid-template-columns:minmax(0,1fr);gap:16px}}

/* ---------- Ventajas y comparativa ---------- */
.ventajas-sec{padding-top:0}
.ventajas{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px clamp(24px,4vw,48px)}
.ventajas div{border-top:1px solid rgba(238,240,238,.28);padding-top:18px}
.ventajas dt{font-family:var(--disp);font-weight:700;font-stretch:115%;font-variation-settings:"wdth" 115;font-size:1.25rem;line-height:1.15}
.ventajas dd{color:var(--soft);margin-top:8px;font-size:.98rem}
@media (max-width:860px){.ventajas{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.ventajas{grid-template-columns:minmax(0,1fr)}}
.tabla-caja{margin-top:clamp(48px,7vw,80px);overflow-x:auto;border:1px solid var(--line);border-radius:10px;-webkit-overflow-scrolling:touch}
.comparativa{width:100%;min-width:640px;border-collapse:collapse;font-size:.96rem}
.comparativa caption{text-align:left;padding:20px 22px 6px;font-family:var(--disp);font-weight:700;font-stretch:112%;font-variation-settings:"wdth" 112;font-size:1.1rem}
.comparativa th,.comparativa td{padding:14px 22px;text-align:left;border-top:1px solid var(--line);vertical-align:top}
.comparativa thead th,.comparativa thead td{border-top:0}
.comparativa thead th{font-family:var(--disp);font-weight:800;font-stretch:115%;font-variation-settings:"wdth" 115;font-size:1.1rem;color:var(--c);position:relative;padding-top:28px}
.comparativa thead th::before{content:"";position:absolute;left:22px;top:12px;width:44px;height:6px;background:var(--c)}
.comparativa tbody th{color:var(--soft);font-weight:500;width:22%}

/* ---------- Tuberías impresas con los proyectos (paso a la parte clara) ---------- */
.tuberias{display:grid;gap:14px;padding-block:8px;background:linear-gradient(180deg,var(--ink) 50%,var(--claro) 50%);overflow:hidden}
.tubo{height:46px;overflow:hidden;
  background:linear-gradient(180deg,color-mix(in srgb,var(--c) 50%,#fff) 0%,var(--c) 26%,var(--c) 58%,color-mix(in srgb,var(--c) 62%,#000) 100%);
  box-shadow:0 12px 18px -10px rgba(0,0,0,.5)}
.impreso{display:flex;align-items:center;gap:26px;height:100%;width:max-content;white-space:nowrap;will-change:transform;
  font-family:var(--disp);font-weight:600;font-stretch:112%;font-variation-settings:"wdth" 112;font-size:13px;letter-spacing:.02em;color:rgba(255,255,255,.92);text-shadow:0 1px 0 rgba(0,0,0,.3)}
/* Cada unión es un anillo de termofusión */
.impreso i{flex:none;width:20px;height:100%;background:linear-gradient(90deg,rgba(0,0,0,.28),rgba(255,255,255,.22) 45%,rgba(0,0,0,.32))}
.c-blue .impreso{transform:translateX(-30%)}

/* ---------- Parte clara: proyectos y clientes ---------- */
.sec.claro{background:var(--claro);color:var(--text);--text:#14201C;--soft:#4A5751;--line:rgba(20,32,28,.16);--green:#3B8A2A;--blue:#1C6E9C;color-scheme:light}
.claro :focus-visible{outline-color:#14201C}
.claro + .claro{padding-top:0}
.proy-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:24px 40px;max-width:none}
.proy-head>div:first-child{max-width:620px}
.filtro{display:flex;flex-wrap:wrap;gap:8px}
.filtro button{font:inherit;font-size:.95rem;font-weight:600;color:var(--text);background:transparent;border:1px solid rgba(20,32,28,.3);border-radius:999px;padding:9px 16px;cursor:pointer;display:inline-flex;align-items:center;gap:8px;transition:background-color .2s,color .2s,border-color .2s}
.filtro button.c-green::before,.filtro button.c-blue::before{content:"";width:14px;height:5px;background:var(--c)}
.filtro button span{color:var(--soft);font-weight:500}
.filtro button[aria-pressed="true"]{background:#14201C;border-color:#14201C;color:#EEF0EE}
.filtro button[aria-pressed="true"] span{color:#A9B8B2}
.filtro button[aria-pressed="true"].c-green::before{background:#5EBB46}
.filtro button[aria-pressed="true"].c-blue::before{background:#2FA0D6}
@media (hover:hover) and (pointer:fine){.filtro button[aria-pressed="false"]:hover{border-color:#14201C}}
.proyectos{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px 24px}
.proy img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;background:#CFD4CB;border-bottom:6px solid var(--c)}
.proy h3{font-size:1.15rem;font-stretch:110%;font-variation-settings:"wdth" 110;font-weight:700;line-height:1.15;margin-top:16px}
.proy-meta{color:var(--c);font-weight:600;font-size:var(--t-small);margin-top:6px}
.proy p:last-child{color:var(--soft);font-size:.94rem;margin-top:2px}
@media (max-width:900px){.proyectos{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.proyectos{grid-template-columns:minmax(0,1fr)}}

/* ---------- Comentarios ---------- */
.citas{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:48px clamp(32px,5vw,72px)}
.cita{margin:0;display:grid;gap:18px;align-content:start;border-top:5px solid var(--green);padding-top:22px}
.cita blockquote{margin:0;font-size:1.1rem;line-height:1.55}
.cita figcaption{color:var(--soft);font-size:.92rem}
.cita figcaption b{display:block;font-family:var(--disp);font-stretch:112%;font-variation-settings:"wdth" 112;font-weight:700;font-size:1.02rem;color:var(--text)}
@media (max-width:760px){.citas{grid-template-columns:minmax(0,1fr)}}

/* ---------- Lo que distribuimos ---------- */
.catalogo{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:32px clamp(40px,7vw,96px);align-items:start}
.catalogo h2{font-size:var(--t-h2)}
.catalogo>div:first-child p{color:var(--soft);margin-top:16px}
.indice li{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:4px 20px;align-items:baseline;padding:14px 0;border-top:1px solid var(--line)}
.indice li:last-child{border-bottom:1px solid var(--line)}
.indice a,.indice b{font-family:var(--disp);font-stretch:112%;font-variation-settings:"wdth" 112;font-weight:700;font-size:1.08rem;text-decoration:none;display:flex;align-items:center;gap:12px}
.indice a{color:var(--c)}
.indice li[class] a::before{content:"";flex:none;width:18px;height:6px;background:var(--c)}
.indice span{color:var(--soft);font-size:.94rem}
@media (hover:hover) and (pointer:fine){.indice a:hover{text-decoration:underline;text-underline-offset:4px}}
.usos{grid-column:2}
.usos h3{font-size:1.08rem;font-stretch:112%;font-variation-settings:"wdth" 112;font-weight:700}
.usos p{color:var(--soft);margin-top:8px}
@media (max-width:860px){.catalogo{grid-template-columns:minmax(0,1fr)}.usos{grid-column:auto}}
@media (max-width:480px){.indice li{grid-template-columns:minmax(0,1fr)}}

/* ---------- Contacto ---------- */
.sec.contacto{background:var(--ink-2)}
.contacto .wrap{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(36px,6vw,80px)}
.contacto h2{font-size:var(--t-h2)}
.promesas{display:flex;flex-wrap:wrap;gap:10px 28px;margin:22px 0 36px;font-weight:600}
.promesas li{display:flex;align-items:center;gap:10px}
.promesas li::before{content:"";width:12px;height:5px;background:var(--green)}
.campos-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 16px}
@media (max-width:560px){.campos-2{grid-template-columns:minmax(0,1fr)}}
.campo{display:grid;gap:6px;margin-bottom:16px}
.campo label{font-size:.9rem;color:var(--soft);font-weight:500}
.campo input,.campo select,.campo textarea{width:100%;font:inherit;font-size:16px;color:var(--text);background:rgba(20,32,28,.8);border:1px solid rgba(238,240,238,.2);border-radius:6px;padding:12px 14px;transition:border-color .2s}
.campo input:focus-visible,.campo select:focus-visible,.campo textarea:focus-visible{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(94,187,70,.28)}
.nota{color:var(--soft);font-size:.9rem;margin-top:12px}
.datos-contacto{display:grid;gap:22px;align-content:start}
.datos-contacto dt{font-size:var(--t-small);color:var(--soft);font-weight:600}
.datos-contacto dd{margin:4px 0 0;font-size:1.1rem}
.datos-contacto a{text-decoration:none;border-bottom:1px solid var(--green)}
@media (max-width:860px){.contacto .wrap{grid-template-columns:minmax(0,1fr)}}

/* ---------- Pie ---------- */
.pie{background:var(--ink);color:var(--soft);padding-block:56px 28px;position:relative;border-top:1px solid var(--line)}
.pie .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.pie h2{color:var(--text);font-family:inherit;font-size:var(--t-small);font-weight:600;font-stretch:100%;font-variation-settings:"wdth" 100;line-height:inherit;letter-spacing:0;margin:0 0 14px}
.pie ul{display:grid;gap:4px}
.pie li a{display:inline-block;padding-block:6px;text-decoration:none}
.pie .marca-img{display:block;width:190px;height:auto}
.pie .desc{font-size:.92rem;margin-top:16px;max-width:34ch}
.pie .base{grid-column:1/-1;border-top:1px solid var(--line);padding-top:20px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;font-size:var(--t-small)}
@media (hover:hover) and (pointer:fine){.pie a:hover{color:var(--text)}}
@media (max-width:860px){.pie .wrap{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.pie .wrap{grid-template-columns:minmax(0,1fr)}}

/* ---------- Páginas de cada sistema ---------- */
.phero{padding-block:clamp(130px,16vw,180px) clamp(56px,7vw,88px);--accent:var(--c);position:relative}
.phero::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(ellipse 70% 80% at 15% 50%,rgba(20,32,28,.92) 0%,rgba(20,32,28,.6) 50%,rgba(20,32,28,0) 100%)}
@media (max-width:760px){
  /* En celular el edificio queda arriba y el texto abajo, sobre un degradado */
  .hero{align-items:flex-end}
  .hero::before{background:linear-gradient(180deg,rgba(20,32,28,.45) 0%,rgba(20,32,28,.75) 30%,rgba(20,32,28,.92) 55%)}
  .phero::before{background:linear-gradient(180deg,rgba(20,32,28,.6) 0%,rgba(20,32,28,.82) 45%,rgba(20,32,28,.6) 100%)}
}
.phero .migas{display:flex;flex-wrap:wrap;gap:8px;font-size:var(--t-small);color:var(--soft);margin-bottom:22px}
.phero .migas a{text-decoration:none;padding-block:4px}
.phero h1{font-size:var(--t-h1);font-stretch:120%;font-variation-settings:"wdth" 120;color:var(--c)}
.phero .uso{color:var(--soft);font-weight:500;margin-top:12px}
.phero .lede{font-size:1.15rem;margin-top:22px;max-width:56ch}
.phero .btn{margin-top:30px}
.phero .nota-escena{font-size:var(--t-small);color:var(--soft);opacity:.8;margin-top:18px}
/* En cada página de sistema, los botones y el foco toman el color de su tubería */
.phero .btn,.c-blue.sec .btn,.c-red.sec .btn{background:var(--c)}
[data-sistema="blue"] .cierre .btn{background:var(--blue)}
[data-sistema="red"] .cierre .btn{background:var(--red)}
[data-sistema="blue"] :focus-visible{outline-color:var(--blue)}
[data-sistema="red"] :focus-visible{outline-color:var(--red)}
.beneficios{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.beneficio{background:rgba(238,240,238,.04);border:1px solid var(--line);border-radius:10px;padding:24px}
.beneficio h3{font-size:1.1rem;font-stretch:112%;font-variation-settings:"wdth" 112;font-weight:700}
.beneficio p{color:var(--soft);margin-top:8px;font-size:.96rem}
@media (max-width:700px){.beneficios{grid-template-columns:minmax(0,1fr)}}
.sellos{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.sellos li{border:1px solid var(--c);color:var(--text);border-radius:6px;padding:8px 14px;font-weight:600;font-size:.92rem}
.cruces{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.cruce{display:block;text-decoration:none;border:1px solid var(--line);border-left:6px solid var(--c);border-radius:8px;padding:18px 20px;background:rgba(238,240,238,.04);transition:background-color .2s}
.cruce b{font-family:var(--disp);font-stretch:115%;font-variation-settings:"wdth" 115;font-weight:800;font-size:1.25rem;color:var(--c)}
.cruce span{display:block;color:var(--soft);font-size:.92rem;margin-top:2px}
@media (hover:hover) and (pointer:fine){.cruce:hover{background:rgba(238,240,238,.08)}}
@media (max-width:560px){.cruces{grid-template-columns:minmax(0,1fr)}}
.cierre .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px}
.cierre h2{font-size:clamp(1.5rem,3vw,2.2rem)}

/* ---------- Aparición al bajar (solo con JavaScript) ---------- */
@media (scripting:enabled){
  .reveal{opacity:.001;transform:translateY(20px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
  .reveal.is-visible{opacity:1;transform:none}
  .stagger>.reveal:nth-child(2){transition-delay:.05s}.stagger>.reveal:nth-child(3){transition-delay:.1s}.stagger>.reveal:nth-child(4){transition-delay:.15s}
  .stagger>.reveal:nth-child(5){transition-delay:.2s}.stagger>.reveal:nth-child(6){transition-delay:.25s}.stagger>.reveal:nth-child(7){transition-delay:.3s}.stagger>.reveal:nth-child(8){transition-delay:.35s}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition-property:opacity,color,background-color,border-color!important}
  .reveal{transform:none!important}
}

/* ---------- WhatsApp: botón fijo solo en celular ---------- */
.cierre-ctas{display:flex;flex-wrap:wrap;gap:12px}
.wa-fijo{display:none}
@media (max-width:760px){
  .wa-fijo{display:grid;place-items:center;position:fixed;right:max(16px,env(safe-area-inset-right,0px));bottom:max(16px,env(safe-area-inset-bottom,0px));z-index:40;
    width:56px;height:56px;border-radius:50%;background:#25D366;color:#0B1F14;box-shadow:0 6px 20px rgba(0,0,0,.35);transition:opacity .25s,transform .25s var(--ease)}
  .wa-fijo:active{transform:scale(.94)}
  .wa-fijo.oculto{opacity:0;transform:scale(.8);pointer-events:none;visibility:hidden;transition:opacity .2s,transform .2s var(--ease),visibility 0s .2s}
  .wa-fijo svg{width:30px;height:30px}
  .pie{padding-bottom:96px}
}