/* Albercas Arango — rediseño 2026
   Capítulos: inmersión (agua en WebGL) · circuito del agua · servicios en pila · proyectos · nosotros · cotiza · pie */

@font-face { font-family: 'Unbounded'; src: url('../fonts/unbounded.woff2') format('woff2'); font-weight: 300 700; font-display: swap; }
@font-face { font-family: 'Figtree'; src: url('../fonts/figtree.woff2') format('woff2'); font-weight: 400 700; font-display: swap; }
@font-face { font-family: 'Figtree'; src: url('../fonts/figtree-italic.woff2') format('woff2'); font-weight: 400; font-style: italic; font-display: swap; }

:root {
  --marca: #2056b7;
  --marca-osc: #173f8f;
  --cian: #14b8ec;
  --aqua: #6fe6f5;
  --espuma: #f2f9fc;
  --espuma-2: #e3f2f8;
  --blanco: #fff;
  --tinta: #0a2540;
  --tinta-2: #3a5670;
  --profundo: #04203b;
  --profundo-2: #072b4f;
  --linea: rgba(10, 37, 64, .12);
  --whatsapp: #25d366;

  --cab: 68px;
  --orilla: clamp(16px, 4vw, 56px);
  --radio: 26px;
  --ancho: 1240px;

  --titulo: 'Unbounded', 'Arial Black', system-ui, sans-serif;
  --texto: 'Figtree', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --suave: cubic-bezier(.22, .8, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: var(--cab); }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0;
  font: 400 1.0625rem/1.55 var(--texto);
  color: var(--tinta);
  background: var(--espuma);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button, input, textarea { font: inherit; color: inherit; }
h1, h2, h3, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
:focus-visible { outline: 3px solid var(--cian); outline-offset: 3px; border-radius: 6px; }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

/* entrada ligada al scroll (js/entrada.js pone --e de 0 a 1); sin JS o con «reducir movimiento» todo se ve normal */
.entrada-lista [data-entra] {
  opacity: var(--e, 0);
  translate: 0 calc((1 - var(--e, 0)) * 48px);
  transition: opacity .35s ease-out, translate .45s var(--suave);
}
.entrada-lista .tarjeta[data-entra] { opacity: 1; translate: 0 calc((1 - var(--e, 0)) * 90px); }
.entrada-lista .foto[data-entra] { translate: 0 calc((1 - var(--e, 0)) * 80px); scale: calc(.9 + var(--e, 0) * .1); transition: opacity .35s ease-out, translate .5s var(--suave), scale .5s var(--suave); }
.sr { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.saltar { position: fixed; left: 12px; top: -60px; z-index: 100; background: var(--blanco); color: var(--marca); padding: 10px 16px; border-radius: 10px; font-weight: 700; }
.saltar:focus { top: 12px; }
.ico { width: 1.25em; height: 1.25em; flex: none; }
.envoltura { width: min(100% - 2 * var(--orilla), var(--ancho)); margin-inline: auto; }

/* ---------- botones ---------- */
.boton {
  display: inline-flex; align-items: center; justify-content: center; gap: .6em;
  min-height: 52px; padding: 0 1.6em; border-radius: 999px; border: 1px solid transparent;
  font-weight: 650; font-size: 1rem; text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: background-color .25s, color .25s, border-color .25s, transform .25s var(--suave), box-shadow .25s;
}
.boton:hover { transform: translateY(-2px); }
.boton:active { transform: translateY(0); }
.boton .ico { transition: transform .25s var(--suave); }
.boton:hover .ico:last-child { transform: translateX(3px); }
.boton--claro { background: var(--blanco); color: var(--marca); box-shadow: 0 10px 24px -14px rgba(0, 0, 0, .5); }
.boton--claro:hover { background: #e9f8fe; }
.boton--vidrio { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .45); color: var(--blanco); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.boton--vidrio:hover { background: rgba(255, 255, 255, .22); }
.boton--marca { background: var(--marca); color: var(--blanco); box-shadow: 0 14px 30px -14px rgba(32, 86, 183, .8); }
.boton--marca:hover { background: var(--marca-osc); }
.boton--chico { min-height: 40px; padding: 0 1.15em; font-size: .95rem; }
.boton--grande { min-height: 58px; font-size: 1.05rem; }

.capitulo {
  display: inline-flex; align-items: center; gap: .8em;
  font: 500 .78rem/1 var(--titulo); letter-spacing: .14em; text-transform: uppercase; color: var(--marca);
}
.capitulo span {
  display: inline-grid; place-items: center; min-width: 2.6em; height: 2.1em; padding: 0 .7em; border-radius: 999px;
  border: 1px solid currentColor; letter-spacing: .04em;
}
[data-tema="oscuro"] .capitulo { color: var(--aqua); }

.titulo-seccion {
  font: 600 clamp(1.8rem, 3.6vw, 3.2rem)/1.06 var(--titulo); letter-spacing: -.02em; text-wrap: balance;
}
.seccion__cabeza { display: grid; gap: 18px; margin-bottom: clamp(32px, 5vw, 56px); max-width: 860px; }
.seccion__cabeza--partida { max-width: none; grid-template-columns: 1.1fr .9fr; align-items: end; gap: 22px 56px; }
.seccion__intro { color: var(--tinta-2); font-size: 1.08rem; max-width: 60ch; }

/* ---------- cabecera ---------- */
.cabecera {
  position: fixed; inset: 0 0 auto; z-index: 50; height: var(--cab);
  display: flex; align-items: center; gap: clamp(14px, 2.4vw, 36px); padding: 0 var(--orilla);
  color: var(--blanco); transition: background-color .35s, color .35s, box-shadow .35s;
}
.cabecera::before { content: ''; position: absolute; inset: 0; z-index: -1; opacity: 0; transition: opacity .35s; backdrop-filter: blur(14px) saturate(1.3); -webkit-backdrop-filter: blur(14px) saturate(1.3); }
.cabecera--solida::before { opacity: 1; }
/* sin JS no hay cambio de tema al bajar: la cabecera lleva su fondo oscuro todo el tiempo */
.sin-js .cabecera::before { opacity: 1; background: rgba(4, 32, 59, .9); }
.cabecera[data-sobre="oscuro"]::before { background: rgba(4, 32, 59, .72); }
.cabecera[data-sobre="claro"] { color: var(--marca); }
.cabecera[data-sobre="claro"]::before { background: rgba(242, 249, 252, .86); box-shadow: 0 1px 0 var(--linea); }
.cabecera__logo { display: block; width: 122px; flex: none; color: inherit; }
.cabecera__logo svg { width: 100%; height: auto; display: block; overflow: visible; }
.cabecera__nav { display: flex; gap: clamp(14px, 2vw, 30px); margin-left: auto; }
.cabecera__nav a { text-decoration: none; font-weight: 600; font-size: .98rem; position: relative; padding: 6px 0; }
.cabecera__nav a::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: currentColor; transform: scaleX(0); transform-origin: right; transition: transform .35s var(--suave); }
.cabecera__nav a:hover::after, .cabecera__nav a[aria-current="true"]::after { transform: scaleX(1); transform-origin: left; }
.cabecera__cotiza { background: var(--blanco); color: var(--marca); }
.cabecera[data-sobre="claro"] .cabecera__cotiza { background: var(--marca); color: var(--blanco); }
.cabecera__menu { display: none; }

.menu-movil {
  position: fixed; inset: 0; z-index: 45; padding: calc(var(--cab) + 24px) var(--orilla) 32px;
  background: var(--profundo); color: var(--blanco); display: flex; flex-direction: column; justify-content: space-between;
}
.menu-movil[hidden] { display: none; }
.menu-movil nav { display: grid; gap: 6px; }
.menu-movil nav a { font: 600 clamp(1.8rem, 9vw, 2.6rem)/1.25 var(--titulo); text-decoration: none; padding: 6px 0; border-bottom: 1px solid rgba(255, 255, 255, .1); }

/* ---------- 00 · inmersión ---------- */
.inmersion { position: relative; height: 250svh; background: var(--profundo); color: var(--blanco); }
.inmersion__escena { position: sticky; top: 0; height: 100svh; overflow: hidden; }
.inmersion__agua { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.sin-webgl .inmersion__agua {
  background:
    radial-gradient(120% 90% at 70% 20%, rgba(150, 235, 255, .45), transparent 60%),
    linear-gradient(160deg, #1aa6dc, #0b5fa5 60%, #063a6f);
}
.inmersion__velo {
  position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(180deg, rgba(2, 24, 48, .78) 0%, rgba(2, 24, 48, .35) 12%, rgba(2, 24, 48, 0) 22%),
    linear-gradient(270deg, rgba(2, 24, 48, .72) 0%, rgba(2, 24, 48, .3) 14%, rgba(2, 24, 48, 0) 26%),
    linear-gradient(90deg, rgba(2, 24, 48, .78) 0%, rgba(2, 24, 48, .5) 38%, rgba(2, 24, 48, 0) 70%),
    linear-gradient(0deg, rgba(2, 24, 48, .55) 0%, rgba(2, 24, 48, 0) 40%);
  opacity: calc(1 - var(--inm, 0));
}

.hero {
  position: absolute; left: var(--orilla); bottom: clamp(48px, 11vh, 130px); width: min(760px, calc(100% - 2 * var(--orilla)));
  display: grid; gap: clamp(12px, 2.4vh, 26px);
  opacity: calc(1 - var(--sal, 0) * 1.35);
  transform: translateY(calc(var(--sal, 0) * -70px));
}
.hero__pre { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: .95rem; letter-spacing: .02em; }
.hero__pre svg { width: 22px; height: 22px; }
.hero__titulo { font: 600 clamp(2.4rem, min(7.2vw, 12.5vh), 7.2rem)/.94 var(--titulo); letter-spacing: -.035em; }
.hero__titulo .linea { display: block; overflow: hidden; padding-bottom: .06em; }
.hero__titulo .linea > span { display: inline-block; transform: translateY(105%); animation: subir 1.1s var(--suave) forwards; }
.hero__titulo .linea:nth-child(2) > span { animation-delay: .1s; }
.hero__titulo .linea:nth-child(3) > span { animation-delay: .2s; color: var(--aqua); }
@keyframes subir { to { transform: none; } }
.hero__texto { font-size: clamp(1rem, 1.25vw, 1.2rem); max-width: 46ch; color: rgba(255, 255, 255, .92); opacity: 0; animation: aparecer .9s .45s var(--suave) forwards; }
.hero__acciones { display: flex; flex-wrap: wrap; gap: 12px; opacity: 0; animation: aparecer .9s .6s var(--suave) forwards; }
@keyframes aparecer { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

.profundimetro {
  position: absolute; right: var(--orilla); top: 50%; transform: translateY(-50%);
  display: grid; justify-items: end; gap: 8px; font-family: var(--titulo); text-align: right;
}
.profundimetro__etiqueta { font-size: .68rem; letter-spacing: .18em; text-transform: uppercase; opacity: .8; }
.profundimetro__valor { font-size: 1.05rem; font-weight: 500; font-variant-numeric: tabular-nums; }
.profundimetro__valor b { font-size: 2rem; font-weight: 600; }
.profundimetro__regla {
  position: relative; width: 26px; height: min(38vh, 280px); margin-top: 6px;
  background: repeating-linear-gradient(180deg, rgba(255, 255, 255, .6) 0 1px, transparent 1px 14px) right / 10px 100% no-repeat,
              repeating-linear-gradient(180deg, rgba(255, 255, 255, .9) 0 2px, transparent 2px 70px) right / 22px 100% no-repeat;
}
.profundimetro__regla i {
  position: absolute; right: 0; top: calc(var(--inm, 0) * 100%); width: 26px; height: 3px; margin-top: -1px; background: var(--aqua);
}
.profundimetro__regla i::before { content: ''; position: absolute; right: 30px; top: -5px; border: 6px solid transparent; border-right: 0; border-left: 8px solid var(--aqua); }

.inmersion__pista {
  position: absolute; left: 50%; bottom: 22px; transform: translateX(-50%);
  display: grid; justify-items: center; gap: 10px; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase;
  opacity: calc(.85 - var(--sal, 0) * 2);
}
.inmersion__pista i { width: 1px; height: 38px; background: linear-gradient(rgba(255, 255, 255, .9), transparent); animation: pista 2.2s var(--suave) infinite; transform-origin: top; }
@keyframes pista { 0% { transform: scaleY(0); } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

.inmersion__fondo {
  position: absolute; inset: 0; display: grid; place-content: center; text-align: center; padding: 0 var(--orilla); gap: 16px; pointer-events: none;
}
.inmersion__frase { font: 600 clamp(1.9rem, 4.6vw, 4.4rem)/1.04 var(--titulo); letter-spacing: -.025em; }
.inmersion__frase span { display: block; opacity: var(--fin, 0); transform: translateY(calc((1 - var(--fin, 0)) * 40px)); filter: blur(calc((1 - var(--fin, 0)) * 10px)); }
.inmersion__frase span + span { color: var(--aqua); opacity: var(--fin2, 0); transform: translateY(calc((1 - var(--fin2, 0)) * 40px)); filter: blur(calc((1 - var(--fin2, 0)) * 10px)); }
.inmersion__sub { font-size: clamp(1rem, 1.4vw, 1.25rem); color: rgba(255, 255, 255, .86); opacity: var(--fin2, 0); }

/* ---------- 01 · circuito ---------- */
.circuito { position: relative; height: 420svh; background: var(--profundo); color: var(--blanco); }
.circuito__escena {
  position: sticky; top: 0; height: 100svh; overflow: hidden;
  display: grid; grid-template-columns: minmax(300px, .78fr) 1.5fr; align-items: center; gap: clamp(24px, 4vw, 64px);
  padding: calc(var(--cab) + 12px) var(--orilla) 20px;
  background: radial-gradient(70% 60% at 70% 45%, rgba(20, 120, 190, .28), transparent 70%), var(--profundo);
}
.circuito__texto { display: grid; gap: clamp(14px, 2.2vh, 22px); align-content: center; }
.circuito__titulo { font: 600 clamp(1.5rem, 2.5vw, 2.5rem)/1.08 var(--titulo); letter-spacing: -.02em; }
.pasos { display: grid; gap: 2px; counter-reset: paso; }
.paso { position: relative; padding: 7px 0 7px 46px; border-left: 0; color: rgba(255, 255, 255, .5); transition: color .4s; }
.paso::before {
  counter-increment: paso; content: counter(paso, decimal-leading-zero);
  position: absolute; left: 0; top: 7px; font: 500 .78rem/1.5 var(--titulo); letter-spacing: .06em; color: rgba(255, 255, 255, .45);
}
.paso b { display: block; font-weight: 650; font-size: 1.02rem; }
.paso span, .paso em { display: block; max-height: 0; overflow: hidden; opacity: 0; transition: max-height .5s var(--suave), opacity .4s, margin .4s; }
.paso em { font-style: normal; font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; color: var(--aqua); font-weight: 650; }
.paso.hecho { color: rgba(255, 255, 255, .78); }
.paso.hecho::before { color: var(--aqua); }
.paso.activo { color: var(--blanco); }
.paso.activo::before { color: var(--aqua); }
.paso.activo span { max-height: 5em; opacity: 1; margin-top: 4px; color: rgba(255, 255, 255, .88); }
.paso.activo em { max-height: 2em; opacity: 1; margin-top: 6px; }

.circuito__diagrama { display: grid; gap: 14px; min-width: 0; }
.circuito__diagrama svg { width: 100%; height: auto; max-height: calc(100svh - var(--cab) - 96px); display: block; overflow: visible; }
#g-agua-alberca stop:first-child { stop-color: var(--agua-a, #4f8f6a); }
#g-agua-alberca stop:last-child { stop-color: var(--agua-b, #275a4a); }
.vaso { stroke: #d9f1fa; }
.superficie { animation: oleaje 3.2s linear infinite; }
@keyframes oleaje { to { transform: translateX(-100px); } }
.cauticas { opacity: var(--claridad, .1); animation: cauticas 5s ease-in-out infinite alternate; }
@keyframes cauticas { to { transform: translateX(-30px); } }
.led { opacity: var(--led, 0); transition: opacity .6s; }
.cascada { opacity: var(--cascada, .2); transition: opacity .6s; animation: cascada 1.2s linear infinite alternate; }
@keyframes cascada { to { fill: #c7f3ff; } }
.pieza { fill: #cfeefc; }
.tubo path { stroke-width: 10; }
.tubo--vacio path { stroke: rgba(150, 205, 240, .16); }
.tubo--agua path { stroke: #38d6ff; stroke-dasharray: 1 1; stroke-dashoffset: 1; filter: drop-shadow(0 0 6px rgba(56, 214, 255, .55)); }
.tubo--corriente path { stroke: rgba(255, 255, 255, .9); stroke-width: 3; stroke-dasharray: 3 22; opacity: 0; transition: opacity .5s; animation: corriente .9s linear infinite; }
.tubo--corriente path.lleno { opacity: 1; }
@keyframes corriente { to { stroke-dashoffset: -25; } }
.equipo image { opacity: .5; filter: grayscale(.5) brightness(.8); transition: opacity .5s, filter .5s; }
.equipo.encendido image { opacity: 1; filter: drop-shadow(0 0 16px rgba(56, 214, 255, .75)); }
.equipo.hecho image { opacity: .95; filter: none; }
.sombra { fill: rgba(0, 0, 0, .35); }
.rotulo text { fill: #e2f7ff; font: 600 15px var(--texto); letter-spacing: .02em; paint-order: stroke; stroke: #05223f; stroke-width: 5px; stroke-linejoin: round; }
.rotulo { opacity: 0; transition: opacity .5s; }
.rotulo.visible { opacity: .55; }
.rotulo.activo { opacity: 1; }
.contador { display: flex; align-items: center; gap: 18px; padding-right: 78px; font-family: var(--titulo); font-size: .82rem; letter-spacing: .06em; }
.contador__num b { font-size: 1.5rem; font-weight: 600; margin-right: 2px; }
.contador__barra { flex: 1; height: 2px; background: rgba(255, 255, 255, .15); position: relative; overflow: hidden; border-radius: 2px; }
.contador__barra i { position: absolute; inset: 0; background: linear-gradient(90deg, var(--cian), var(--aqua)); transform-origin: left; transform: scaleX(var(--avance, 0)); }
.contador__agua { text-transform: uppercase; font-size: .72rem; letter-spacing: .14em; }
.contador__agua b { color: var(--aqua); font-weight: 600; }

/* ---------- 02 · servicios ---------- */
.servicios { padding: clamp(80px, 12vw, 150px) 0 clamp(60px, 8vw, 100px); background: linear-gradient(180deg, #dff1f8 0%, var(--espuma) 22%); position: relative; }
.servicios::before {
  content: ''; position: absolute; left: 0; right: 0; top: -1px; height: 80px;
  background: var(--profundo);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 80' preserveAspectRatio='none'%3E%3Cpath d='M0 0h1200v34c-100 24-200 24-300 0s-200-24-300 0-200 24-300 0-200-24-300 0z'/%3E%3C/svg%3E") top / 100% 100% no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 80' preserveAspectRatio='none'%3E%3Cpath d='M0 0h1200v34c-100 24-200 24-300 0s-200-24-300 0-200 24-300 0-200-24-300 0z'/%3E%3C/svg%3E") top / 100% 100% no-repeat;
}
.pila { display: grid; gap: 0; }
.tarjeta {
  --i: 0;
  position: sticky; top: calc(var(--cab) + 14px + var(--i) * 8px);
  min-height: min(540px, calc(100svh - var(--cab) - 34px));
  margin-bottom: 9vh;
  display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  background: var(--blanco); border-radius: var(--radio); overflow: hidden;
  box-shadow: 0 1px 0 rgba(10, 37, 64, .05), 0 30px 60px -30px rgba(10, 50, 90, .35);
  transform-origin: 50% 0;
  transform: scale(calc(1 - var(--c, 0) * .05));
}
.tarjeta::after { content: ''; position: absolute; inset: 0; background: var(--profundo); opacity: calc(var(--c, 0) * .35); pointer-events: none; border-radius: inherit; }
.tarjeta:last-child { margin-bottom: 0; }
.tarjeta__foto { position: relative; overflow: hidden; background: var(--espuma-2); }
.tarjeta__foto img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.06); transition: transform 1.2s var(--suave); }
.tarjeta:hover .tarjeta__foto img { transform: scale(1.1); }
.tarjeta__foto::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(4, 32, 59, .35)); }
.tarjeta__foto--dibujo { display: grid; place-items: center; color: var(--blanco); background: radial-gradient(90% 90% at 30% 20%, #3aa9e8, var(--marca) 55%, #12347a); }
.tarjeta__foto--dibujo svg { width: 78%; height: auto; }
.tarjeta__foto--dibujo::after { display: none; }
.tarjeta__cuerpo { display: flex; flex-direction: column; gap: clamp(10px, 1.6vh, 16px); padding: clamp(22px, 3vw, 40px); min-height: 0; min-width: 0; }
.tarjeta__num { font: 500 .78rem/1 var(--titulo); letter-spacing: .1em; color: var(--marca); }
.tarjeta__titulo { font: 600 clamp(1.45rem, 2.3vw, 2.15rem)/1.08 var(--titulo); letter-spacing: -.02em; }
.tarjeta__desc { color: var(--tinta-2); font-size: 1.02rem; max-width: 52ch; }
.tarjeta__lista { columns: 2; column-gap: 26px; font-size: .92rem; line-height: 1.4; }
.tarjeta__lista li { break-inside: avoid; position: relative; padding: 0 0 7px 16px; }
.tarjeta__lista li::before { content: ''; position: absolute; left: 0; top: .5em; width: 7px; height: 7px; border-radius: 50% 50% 50% 0; transform: rotate(-45deg); background: var(--cian); }
.equipos { display: flex; gap: 10px; margin-top: auto; }
.equipos li { display: grid; justify-items: center; gap: 4px; width: 76px; font-size: .7rem; line-height: 1.2; color: var(--tinta-2); text-align: center; }
.equipos img { width: 64px; height: 64px; object-fit: contain; padding: 7px; border-radius: 16px; background: var(--espuma); }
.equipos--fotos img, .equipos__foto img { object-fit: cover; padding: 0; }
.tarjeta__acciones { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 18px; }
.agregar {
  display: inline-flex; align-items: center; gap: .55em; min-height: 46px; padding: 0 1.2em; border-radius: 999px; cursor: pointer;
  border: 1.5px solid var(--marca); background: transparent; color: var(--marca); font-weight: 650; font-size: .95rem;
  transition: background-color .25s, color .25s, transform .25s var(--suave);
}
.agregar:hover { background: rgba(32, 86, 183, .08); }
.agregar[aria-pressed="true"] { background: var(--marca); color: var(--blanco); }
.agregar[aria-pressed="true"] .ico { animation: pop .4s var(--suave); }
@keyframes pop { 0% { transform: scale(.3); } 70% { transform: scale(1.25); } 100% { transform: none; } }
.catalogo { display: inline-flex; align-items: center; gap: .45em; min-height: 44px; font-weight: 600; font-size: .92rem; color: var(--marca); text-decoration: underline; text-decoration-color: transparent; text-underline-offset: 4px; transition: text-decoration-color .2s; }
.catalogo:hover { text-decoration-color: currentColor; }

/* ---------- 03 · proyectos ---------- */
.proyectos { padding: clamp(90px, 12vw, 150px) 0 clamp(70px, 9vw, 120px); background: var(--blanco); overflow: hidden; }
.mosaico { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(10px, 1.2vw, 18px); padding: 0 var(--orilla); align-items: start; }
.mosaico__col { display: grid; gap: clamp(10px, 1.2vw, 18px); transform: translate3d(0, var(--y, 0px), 0); }
.mosaico__col:nth-child(2) { margin-top: 70px; }
.mosaico__col:nth-child(4) { margin-top: 120px; }
.foto { display: block; width: 100%; padding: 0; border: 0; cursor: zoom-in; background: var(--espuma-2); border-radius: 20px; overflow: hidden; }
.foto img { width: 100%; height: auto; transition: transform .8s var(--suave); }
.foto:hover img { transform: scale(1.05); }
.proyectos__pie { display: flex; justify-content: center; margin-top: clamp(40px, 6vw, 72px); }

.visor { border: 0; padding: 0; background: transparent; max-width: 100vw; max-height: 100vh; width: 100vw; height: 100vh; color: var(--blanco); }
.visor::backdrop { background: rgba(2, 16, 32, .92); backdrop-filter: blur(6px); }
.visor[open] { display: grid; place-items: center; }
.visor figure { display: grid; gap: 12px; justify-items: center; max-width: min(1100px, 92vw); }
.visor img { max-height: 80vh; width: auto; border-radius: 16px; }
.visor figcaption { font-size: .95rem; color: rgba(255, 255, 255, .85); text-align: center; }
.visor__cerrar, .visor__nav { position: fixed; display: grid; place-items: center; width: 52px; height: 52px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .35); background: rgba(255, 255, 255, .08); color: var(--blanco); cursor: pointer; }
.visor__cerrar { top: 18px; right: 18px; }
.visor__nav { top: 50%; transform: translateY(-50%); }
.visor__nav--ant { left: 18px; }
.visor__nav--ant .ico { transform: scaleX(-1); }
.visor__nav--sig { right: 18px; }

/* ---------- 04 · nosotros ---------- */
.nosotros { padding: clamp(90px, 12vw, 150px) 0; background: var(--espuma); }
.mision { margin: 22px 0 clamp(48px, 7vw, 90px); }
.mision__etiqueta { font: 500 .78rem/1 var(--titulo); letter-spacing: .14em; text-transform: uppercase; color: var(--tinta-2); margin-bottom: 18px; }
.mision__cuerpo { position: relative; }
.mision__texto { font: 500 clamp(1.3rem, 2.6vw, 2.45rem)/1.34 var(--titulo); letter-spacing: -.015em; color: rgba(32, 86, 183, .2); text-wrap: pretty; }
.mision__texto--lleno {
  position: absolute; inset: 0; color: var(--marca);
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 160 26'%3E%3Cpath d='M0 13C20 3 40 3 60 13s40 10 60 0 30-8 40-4V26H0z'/%3E%3C/svg%3E"), linear-gradient(#000, #000);
          mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 160 26'%3E%3Cpath d='M0 13C20 3 40 3 60 13s40 10 60 0 30-8 40-4V26H0z'/%3E%3C/svg%3E"), linear-gradient(#000, #000);
  -webkit-mask-size: 160px 26px, 100% 100%; mask-size: 160px 26px, 100% 100%;
  -webkit-mask-repeat: repeat-x, no-repeat; mask-repeat: repeat-x, no-repeat;
  -webkit-mask-position: var(--ola-x, 0) var(--ola-y, 100%), 0 calc(var(--ola-y, 100%) + 25px);
          mask-position: var(--ola-x, 0) var(--ola-y, 100%), 0 calc(var(--ola-y, 100%) + 25px);
}
.nosotros__rejilla { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 72px); align-items: center; }
.nosotros__foto { width: min(100%, 540px); justify-self: center; border-radius: 48% 52% 34% 66% / 38% 40% 60% 62%; overflow: hidden; aspect-ratio: 5 / 4; box-shadow: 0 40px 70px -40px rgba(10, 50, 90, .5); }
.nosotros__foto img { width: 100%; height: 100%; object-fit: cover; }
.vision h3, .valores__titulo { font: 600 clamp(1.3rem, 2vw, 1.8rem)/1.1 var(--titulo); margin-bottom: 14px; color: var(--marca); }
.vision p { font-size: 1.12rem; color: var(--tinta-2); }
.valores__titulo { margin-top: clamp(56px, 8vw, 96px); }
.valores { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.valor { display: grid; align-content: start; gap: 10px; padding: 26px 22px; background: var(--blanco); border-radius: 22px; border: 1px solid var(--linea); transition: transform .4s var(--suave), box-shadow .4s; }
.valor:hover { transform: translateY(-4px); box-shadow: 0 24px 40px -28px rgba(10, 50, 90, .45); }
.valor .ico { width: 34px; height: 34px; color: var(--cian); }
.valor b { font: 600 1.05rem/1.2 var(--titulo); }
.valor span { color: var(--tinta-2); font-size: .97rem; }

/* ---------- 05 · cotiza ---------- */
.cotiza { padding: clamp(90px, 12vw, 140px) 0; color: var(--blanco); background: radial-gradient(80% 70% at 85% 10%, rgba(40, 170, 235, .35), transparent 60%), linear-gradient(165deg, #1d4ba7, #173f8f 60%, #0f3270); }
.cotiza__rejilla { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr); gap: 28px clamp(28px, 4vw, 56px); align-items: start; }
.cotiza__intro { grid-column: 1 / -1; display: grid; gap: 16px; max-width: 760px; }
.cotiza__intro > p:not(.capitulo) { font-size: 1.12rem; color: rgba(255, 255, 255, .9); }
.cotiza__directo { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.cotiza__directo a { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; font-weight: 650; text-decoration: none; }
.cotiza__directo a:hover { text-decoration: underline; }
.formulario { display: grid; gap: 22px; }
.grupo { border: 0; margin: 0; padding: 0; display: grid; gap: 12px; }
.grupo legend { font: 600 1rem/1.3 var(--titulo); margin-bottom: 12px; padding: 0; }
.fichas { display: flex; flex-wrap: wrap; gap: 8px; }
.ficha { position: relative; }
.ficha input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.ficha span { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; padding: 0 16px; border-radius: 999px; border: 1.5px solid rgba(255, 255, 255, .5); font-weight: 600; font-size: .95rem; transition: background-color .2s, color .2s, border-color .2s; cursor: pointer; }
.ficha:hover span { border-color: var(--blanco); background: rgba(255, 255, 255, .08); }
.ficha input:checked + span { background: var(--blanco); color: var(--marca-osc); border-color: var(--blanco); }
.ficha input:checked + span::before { content: ''; width: 9px; height: 5px; border: solid currentColor; border-width: 0 0 2px 2px; transform: rotate(-45deg) translateY(-2px); }
.ficha input:focus-visible + span { outline: 3px solid var(--aqua); outline-offset: 2px; }
.campos { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.campo { display: grid; gap: 6px; font-weight: 600; font-size: .95rem; }
.campo i { font-weight: 400; font-style: normal; opacity: .8; }
.campo--ancho { grid-column: 1 / -1; }
.campo input, .campo textarea {
  width: 100%; border-radius: 14px; border: 1.5px solid rgba(255, 255, 255, .35); background: rgba(255, 255, 255, .1); color: var(--blanco);
  padding: 13px 15px; font-size: 1rem; resize: vertical; transition: border-color .2s, background-color .2s;
}
.campo input::placeholder, .campo textarea::placeholder { color: rgba(255, 255, 255, .72); }
.campo input:focus, .campo textarea:focus { outline: none; border-color: var(--blanco); background: rgba(255, 255, 255, .16); }
.campo input[aria-invalid="true"] { border-color: #ffd36b; }
.formulario__envio { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 22px; }
.formulario__aviso { font-weight: 600; color: #ffe08a; min-height: 1.5em; order: 2; }
.ticket { position: sticky; top: calc(var(--cab) + 20px); background: var(--blanco); color: var(--tinta); border-radius: 22px; padding: 24px; box-shadow: 0 30px 60px -30px rgba(0, 10, 40, .6); }
.ticket::before { content: ''; position: absolute; left: 22px; right: 22px; top: -9px; height: 18px; background: radial-gradient(circle at 9px 0, transparent 8px, var(--blanco) 8.5px) 0 0 / 18px 18px repeat-x; }
.ticket__titulo { font: 600 .78rem/1 var(--titulo); letter-spacing: .12em; text-transform: uppercase; color: var(--marca); margin-bottom: 14px; }
.ticket__texto { margin: 0; white-space: pre-wrap; font: 500 .95rem/1.55 var(--texto); color: var(--tinta); min-height: 8em; }

/* ---------- pie ---------- */
.pie { position: relative; isolation: isolate; background: var(--profundo); color: rgba(255, 255, 255, .92); overflow: hidden; }
.pie__agua { position: absolute; inset: 0; z-index: -1; width: 100%; height: 100%; display: block; }
.pie.sin-webgl .pie__agua { background: radial-gradient(120% 90% at 70% 80%, rgba(150, 235, 255, .4), transparent 60%), linear-gradient(160deg, #1aa6dc, #0b5fa5 60%, #063a6f); }
/* el texto va sobre un velo oscuro que se desvanece hacia el logo, y el logo queda sobre el agua limpia */
.pie__arriba { padding: clamp(70px, 9vw, 110px) 0 clamp(70px, 9vw, 120px); background: linear-gradient(180deg, rgba(4, 32, 59, .95) 0%, rgba(4, 32, 59, .9) calc(100% - clamp(70px, 9vw, 120px)), rgba(4, 32, 59, 0) 100%); }
.pie__abajo { padding: 34px 0 26px; background: linear-gradient(0deg, rgba(4, 32, 59, .94) 45%, rgba(4, 32, 59, 0)); }
.pie__rejilla { display: grid; grid-template-columns: 1.3fr 1fr 1fr .8fr; gap: 36px; }
.pie__titulo { font: 600 .8rem/1 var(--titulo); letter-spacing: .14em; text-transform: uppercase; color: var(--aqua); margin-bottom: 16px; }
.pie__bloque { display: grid; align-content: start; gap: 14px; }
.pie__bloque p { line-height: 1.6; }
.pie__bloque a { text-decoration: none; }
.pie__bloque p a:hover, .pie__lista a:hover { text-decoration: underline; }
.enlace { display: inline-flex; align-items: center; gap: 8px; font-weight: 650; color: var(--blanco); }
.enlace:hover { color: var(--aqua); }
.pie__lista { display: grid; gap: 0; }
.pie__lista a, .pie__bloque p a { display: inline-block; padding-block: 7px; }
.enlace { min-height: 44px; }
.redes { display: flex; gap: 10px; }
.redes a { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .3); transition: background-color .25s, color .25s; }
.redes a:hover { background: var(--blanco); color: var(--profundo); }
.pie__marca { margin: 0 auto; width: min(100% - 2 * var(--orilla), 1400px); color: var(--blanco); filter: drop-shadow(0 10px 30px rgba(0, 18, 45, .45)); }
.logo-en-agua .pie__marca svg { visibility: hidden; }
.pie__marca svg { width: 100%; height: auto; display: block; }
.pie__legal { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 24px; font-size: .88rem; color: rgba(255, 255, 255, .9); padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, .2); }
.pie__legal a { display: inline-block; padding-block: 10px; }
.pie__legal a:hover { color: var(--blanco); }

.flotante {
  position: fixed; right: 18px; bottom: 18px; z-index: 40; width: 60px; height: 60px; border-radius: 50%;
  display: grid; place-items: center; background: var(--whatsapp); color: var(--blanco);
  box-shadow: 0 14px 30px -10px rgba(0, 0, 0, .45); transition: transform .3s var(--suave), opacity .3s;
}
.flotante svg { width: 32px; height: 32px; }
.flotante:hover { transform: scale(1.07); }
.flotante::after { content: ''; position: absolute; inset: 0; border-radius: 50%; border: 2px solid var(--whatsapp); animation: onda 2.6s ease-out infinite; }
@keyframes onda { from { transform: scale(1); opacity: .8; } to { transform: scale(1.7); opacity: 0; } }
.menu-abierto .flotante { opacity: 0; pointer-events: none; }

/* ---------- pantallas bajitas (laptop al 125 %) ---------- */
@media (max-height: 700px) and (min-width: 761px) {
  .equipos { display: none; }
  .tarjeta__lista { font-size: .88rem; }
  .tarjeta__lista li { padding-bottom: 5px; }
  .tarjeta__desc { font-size: .97rem; }
  .profundimetro__regla { height: 30vh; }
  .paso { padding-block: 5px; }
  .paso span { font-size: .95rem; }
  .circuito__escena { padding-bottom: 12px; }
  .hero__pre { font-size: .85rem; }
  .hero__texto { font-size: .98rem; max-width: 52ch; }
  .hero .boton { min-height: 46px; }
}

/* ---------- tableta y celular ---------- */
@media (max-width: 1080px) {
  .cabecera__nav { display: none; }
  .cabecera__cotiza { margin-left: auto; }
  .cabecera__menu {
    display: grid; place-content: center; gap: 6px; width: 46px; height: 46px; border: 0; background: transparent; cursor: pointer; padding: 0; color: inherit;
  }
  .cabecera__menu span:not(.sr) { display: block; width: 24px; height: 2px; background: currentColor; transition: transform .3s var(--suave); }
  .cabecera__menu[aria-expanded="true"] span:nth-child(1) { transform: translateY(4px) rotate(45deg); }
  .cabecera__menu[aria-expanded="true"] span:nth-child(2) { transform: translateY(-4px) rotate(-45deg); }
  .valores { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pie__rejilla { grid-template-columns: 1fr 1fr; }
  .mosaico { display: block; columns: 3; column-gap: 12px; }
  .mosaico__col { display: contents; }
  .foto { break-inside: avoid; margin-bottom: 12px; }
}
@media (max-width: 900px) {
  .circuito { height: 460svh; }
  .circuito__escena { grid-template-columns: 1fr; grid-template-rows: auto 1fr; align-content: start; gap: 12px; padding-top: calc(var(--cab) + 8px); }
  .circuito__texto { gap: 10px; }
  .circuito__titulo { font-size: clamp(1.25rem, 5.4vw, 1.7rem); }
  .pasos { min-height: 7.6em; }
  .paso { padding-left: 40px; }
  .paso:not(.activo) { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  .circuito__diagrama { align-self: center; }
  .circuito__diagrama svg { max-height: 52svh; }
  .seccion__cabeza--partida { grid-template-columns: 1fr; }
  .cotiza__rejilla { grid-template-columns: 1fr; }
  .ticket { position: relative; top: 0; }
  .nosotros__rejilla { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  :root { --cab: 62px; }
  .cabecera__logo { width: 104px; }
  .inmersion { height: 230svh; }
  .hero { bottom: clamp(70px, 13vh, 120px); }
  .inmersion__velo {
    background:
      linear-gradient(180deg, rgba(2, 24, 48, .7) 0%, rgba(2, 24, 48, 0) 16%),
      linear-gradient(0deg, rgba(2, 24, 48, .9) 0%, rgba(2, 24, 48, .78) 45%, rgba(2, 24, 48, 0) 78%);
  }
  .hero__titulo { font-size: clamp(2.6rem, 12.6vw, 4rem); }
  .hero__acciones .boton { flex: 1 1 auto; }
  .profundimetro, .inmersion__pista { display: none; }
  .tarjeta { position: relative; top: 0; height: auto; grid-template-columns: 1fr; margin-bottom: 18px; transform: none; }
  .tarjeta::after { display: none; }
  .tarjeta__foto { aspect-ratio: 16 / 10; }
  .tarjeta__foto--dibujo svg { width: 60%; }
  .tarjeta__lista { columns: 1; }
  .mosaico { columns: 2; column-gap: 10px; }
  .foto { margin-bottom: 10px; border-radius: 16px; }
  .equipos { gap: 8px; flex-wrap: wrap; }
  .equipos li { width: 66px; }
  .equipos img { width: 58px; height: 58px; }
  .rotulo text { font-size: 30px; stroke-width: 8px; }
  .rotulo.visible { opacity: 0; }
  .rotulo.activo { opacity: 1; }
  .contador { padding-right: 64px; }
  .campos { grid-template-columns: 1fr; }
  .valores { grid-template-columns: 1fr; }
  .pie__rejilla { grid-template-columns: 1fr; gap: 30px; }
  .formulario__envio .boton { width: 100%; }
  .flotante { width: 54px; height: 54px; right: 14px; bottom: 14px; }
  .visor__nav { top: auto; bottom: 18px; transform: none; }
}

/* ---------- sin movimiento ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .inmersion { height: auto; }
  .inmersion__escena { position: relative; height: 100svh; }
  .inmersion__fondo, .inmersion__pista, .profundimetro { display: none; }
  .hero { opacity: 1; transform: none; filter: none; }
  .circuito { height: auto; }
  .circuito__escena { position: relative; height: auto; min-height: 100svh; padding-block: calc(var(--cab) + 40px) 60px; }
  .paso { display: block !important; color: var(--blanco); }
  .paso span, .paso em { max-height: none; opacity: 1; margin-top: 4px; }
  .tarjeta { position: relative; top: 0; height: auto; transform: none; margin-bottom: 24px; }
  .tarjeta::after { display: none; }
  .mosaico__col { transform: none; }
  .mision__texto--lleno { -webkit-mask: none; mask: none; }
}