/* ==========================================================================
   Dinnsa Group · sistema visual compartido
   ========================================================================== */

@font-face{font-family:'Guton';src:url('../fonts/Guton-Regular.otf') format('opentype');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Guton';src:url('../fonts/Guton-Medium.otf') format('opentype');font-weight:500;font-style:normal;font-display:swap}

:root{
  --canvas:#1C2125;
  --canvas-2:#232A2F;
  --panel:#2A3238;
  --paper:#EEF0EF;
  --paper-2:#E3E6E6;
  --ink:#1F2428;
  --ink-2:#4E555D;
  --text:#F2F0EB;
  --text-2:#A7AEB5;
  --accent:#BB474C;
  --accent-hover:#A53B40;
  --accent-muted:rgba(187,71,76,.32);
  --volt:#D4A844;
  --volt-ink:#7A5C17;
  --energy:#1B77A0;
  --energy-light:#4FA6CF;
  --lamp:#FFC46B;
  --line:rgba(242,240,235,.14);
  --line-ink:rgba(31,36,40,.14);
  --grid:rgba(242,240,235,.032);
  --grid-major:rgba(242,240,235,.055);

  --ease-out:cubic-bezier(.16,1,.3,1);
  --ease-io:cubic-bezier(.65,0,.35,1);
  --tshadow:0 1px 2px rgba(5,5,10,.95),0 3px 12px rgba(5,5,10,.78),0 10px 44px rgba(5,5,10,.8);

  --gutter:clamp(20px,5.5vw,88px);
  --maxw:1280px;
  --header-h:76px;
  --area:var(--accent);
}

/* ---------- base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;overflow-x:hidden;overflow-x:clip;background:var(--canvas);color-scheme:dark}
body{margin:0;overflow-x:hidden;overflow-x:clip;font:400 1.0625rem/1.65 'Guton',system-ui,-apple-system,'Segoe UI',sans-serif;color:var(--text);background:var(--canvas);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;animation:pageIn .8s var(--ease-out) both}
@keyframes pageIn{from{opacity:0}to{opacity:1}}
img,svg{display:block;max-width:100%}
img{height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:'Montserrat',system-ui,sans-serif;font-weight:800;line-height:1.06;letter-spacing:-.02em;margin:0}
p{margin:0;text-wrap:pretty}
h1,h2,h3{text-wrap:balance}
ul,ol{margin:0;padding:0;list-style:none}
figure{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:fixed;left:16px;top:-64px;z-index:100;background:var(--accent);color:#fff;padding:13px 18px;border-radius:8px;font:700 .78rem/1 'Montserrat',sans-serif;letter-spacing:.08em;text-transform:uppercase;transition:top .3s var(--ease-out)}
.skip:focus{top:16px}
main:focus{outline:none}
.mono{font-family:'IBM Plex Mono',ui-monospace,monospace}
.nt{text-transform:none;text-decoration:none}

/* ---------- ambiente: grilla de plano fija detrás de todo ---------- */
.env{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden}
.env::before{content:"";position:absolute;inset:-160px;background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px),linear-gradient(var(--grid-major) 1px,transparent 1px),linear-gradient(90deg,var(--grid-major) 1px,transparent 1px);background-size:32px 32px,32px 32px,160px 160px,160px 160px;animation:envDrift 140s linear infinite;animation-delay:-37s;will-change:transform}
.env::after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 60% 45% at 88% 0%,rgba(255,196,107,.05),transparent 70%),url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .045 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
@keyframes envDrift{to{transform:translate3d(160px,160px,0)}}

/* ---------- layout ---------- */
.wrap{width:100%;max-width:calc(var(--maxw) + var(--gutter) * 2);margin:0 auto;padding:0 var(--gutter)}
.sec{position:relative;padding:clamp(88px,11vw,160px) 0}
.sec-paper{background:var(--paper);color:var(--ink)}
.sec-paper::before{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(var(--line-ink) 1px,transparent 1px),linear-gradient(90deg,var(--line-ink) 1px,transparent 1px);background-size:160px 160px;opacity:.4;-webkit-mask-image:linear-gradient(180deg,transparent,#000 18%,#000 82%,transparent);mask-image:linear-gradient(180deg,transparent,#000 18%,#000 82%,transparent)}
.sec-paper > *{position:relative}
.sec-dark2{background:var(--canvas-2)}

/* ---------- tipografía ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:12px;font:500 .75rem/1.2 'IBM Plex Mono',ui-monospace,monospace;letter-spacing:.16em;text-transform:uppercase;color:var(--text-2)}
.eyebrow::before{content:"";width:28px;height:1px;background:currentColor;opacity:.6}
.sec-paper .eyebrow{color:var(--ink-2)}
.h2{margin-top:18px;font-size:clamp(2.1rem,4.4vw,3.6rem);max-width:15ch}
.lede{margin-top:20px;font-size:clamp(1.06rem,1.35vw,1.25rem);line-height:1.6;color:var(--text-2);max-width:46ch}
.sec-paper .lede{color:var(--ink-2)}
.meta{font:500 .72rem/1.4 'IBM Plex Mono',ui-monospace,monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--text-2)}
.sec-paper .meta{color:var(--ink-2)}

/* ---------- botones y links ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 24px;border-radius:10px;border:1px solid transparent;font:700 .8rem/1 'Montserrat',sans-serif;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;white-space:nowrap;transition:background .25s var(--ease-out),color .25s var(--ease-out),border-color .25s var(--ease-out),transform .25s var(--ease-out),box-shadow .25s var(--ease-out)}
.btn svg{width:16px;height:16px;flex:none}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 10px 24px -8px rgba(187,71,76,.6)}
.btn-ghost{border-color:rgba(242,240,235,.42);color:var(--text)}
.btn-ghost:hover{border-color:var(--text);background:rgba(242,240,235,.06)}
.sec-paper .btn-ghost{border-color:rgba(31,36,40,.35);color:var(--ink)}
.sec-paper .btn-ghost:hover{border-color:var(--ink);background:rgba(31,36,40,.05)}
.link-arrow{display:inline-flex;align-items:center;gap:10px;font:700 .78rem/1 'Montserrat',sans-serif;letter-spacing:.08em;text-transform:uppercase;padding:10px 0;transition:gap .3s var(--ease-out),color .25s}
.link-arrow svg{width:16px;height:16px;transition:transform .3s var(--ease-out)}
.link-arrow:hover svg{transform:translateX(3px)}

/* ---------- header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:60;height:var(--header-h);background:linear-gradient(180deg,rgba(12,15,17,.66),rgba(12,15,17,0)) no-repeat;transition:background .35s var(--ease-out),box-shadow .35s var(--ease-out)}
.site-header.is-solid{background:rgba(22,26,29,.94);box-shadow:0 1px 0 var(--line)}
.header-inner{height:100%;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;flex:none}
.brand img{height:40px;width:auto}
.nav{margin-left:auto;display:flex;align-items:center;gap:26px}
.nav-item{position:relative;display:flex;align-items:center;height:var(--header-h)}
.nav-link{position:relative;padding:8px 2px;font:600 .76rem/1 'Montserrat',sans-serif;letter-spacing:.09em;text-transform:uppercase;color:rgba(242,240,235,.8);transition:color .25s}
.nav-link::after{content:"";position:absolute;left:2px;right:2px;bottom:0;height:2px;border-radius:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease-out)}
.nav-link:hover,.nav-link[aria-current="page"]{color:var(--text)}
.nav-link:hover::after,.nav-link[aria-current="page"]::after{transform:scaleX(1)}
.dropdown{position:absolute;top:calc(100% - 12px);left:50%;min-width:236px;padding:8px;border-radius:12px;background:rgba(18,21,24,.97);border:1px solid var(--line);box-shadow:0 24px 48px rgba(0,0,0,.45);opacity:0;visibility:hidden;pointer-events:none;transform:translate(-50%,8px);transition:opacity .2s var(--ease-out),transform .25s var(--ease-out),visibility .2s}
.nav-item:hover .dropdown,.nav-item:focus-within .dropdown{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}
.dropdown a{display:block;padding:11px 14px;border-radius:8px;font-size:.95rem;color:var(--text-2);transition:background .2s,color .2s}
.dropdown a:hover{background:rgba(255,255,255,.05);color:var(--text)}
.nav-cta{display:none}
.header-cta{flex:none}
.nav-toggle{display:none;margin-left:auto;width:44px;height:44px;border:0;background:none;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.nav-toggle span{display:block;width:22px;height:2px;border-radius:2px;background:var(--text);transition:transform .3s var(--ease-out),opacity .2s}
.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-open .nav-toggle span:nth-child(2){opacity:0}
.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media (max-width:1060px){
  :root{--header-h:64px}
  .brand img{height:34px}
  .nav-toggle{display:flex}
  .header-cta{display:none}
  .nav{position:fixed;top:var(--header-h);left:0;right:0;bottom:0;flex-direction:column;align-items:stretch;gap:0;padding:8px var(--gutter) 40px;background:#121518;overflow-y:auto;opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .25s var(--ease-out),transform .3s var(--ease-out),visibility .25s}
  .nav-open .nav{opacity:1;visibility:visible;transform:none}
  .nav-item{height:auto;flex-direction:column;align-items:stretch;border-bottom:1px solid var(--line);padding:4px 0}
  .nav > .nav-link{border-bottom:1px solid var(--line)}
  .nav-link{padding:18px 0;font-size:.9rem}
  .nav-link::after{display:none}
  .dropdown{position:static;min-width:0;padding:0 0 12px;background:none;border:0;box-shadow:none;opacity:1;visibility:visible;pointer-events:auto;transform:none}
  .dropdown a{padding:10px 0;min-height:44px;display:flex;align-items:center}
  .nav-cta{display:flex;margin-top:28px}
}
html.nav-lock,html.nav-lock body{overflow:hidden}

/* ---------- cota: línea de medida que se dibuja ---------- */
.cota{position:relative;height:30px;color:var(--text-2)}
.sec-paper .cota{color:var(--ink-2)}
.cota::before{content:"";position:absolute;left:0;right:0;top:50%;height:1px;background:currentColor;opacity:.45;transform:scaleX(0);transform-origin:50% 50%;transition:transform 1.4s var(--ease-io)}
.cota i{position:absolute;top:50%;width:16px;height:1px;background:currentColor;opacity:0;transform:translate(-50%,-50%) rotate(-45deg);transition:opacity .4s ease .9s}
.cota i:first-child{left:0}
.cota i:last-child{left:100%}
.cota span{position:absolute;left:50%;top:-4px;transform:translate(-50%,-100%);font:500 .68rem/1 'IBM Plex Mono',ui-monospace,monospace;letter-spacing:.16em;text-transform:uppercase;white-space:nowrap;opacity:0;transition:opacity .6s ease 1s}
.cota.in::before{transform:scaleX(1)}
.cota.in i{opacity:.7}
.cota.in span{opacity:.8}

/* ---------- aparición al entrar en pantalla ---------- */
.js .rv > *{opacity:0;transform:translateY(18px);transition:opacity .8s var(--ease-out),transform .9s var(--ease-out)}
.js .rv.in > *{opacity:1;transform:none}
.js .rv.in > :nth-child(2){transition-delay:.08s}
.js .rv.in > :nth-child(3){transition-delay:.16s}
.js .rv.in > :nth-child(4){transition-delay:.24s}
.js .rv.in > :nth-child(5){transition-delay:.32s}
.js .rv.in > :nth-child(6){transition-delay:.4s}
.js .rv.in.settled > :nth-child(n){transition-delay:0s}

/* ==========================================================================
   HERO: logo de Dinnsa y sus tres áreas
   ========================================================================== */
.hero-logo{overflow:visible}
.hl-track{position:relative}
.hl-stage{position:relative;display:flex;align-items:center;min-height:100vh;min-height:100svh;padding:calc(var(--header-h) + 24px) 0 56px;overflow:hidden;isolation:isolate}
.hl-live .hl-track{height:450vh}
.hl-live .hl-stage{position:sticky;top:0;height:100vh;height:100svh}
.hl-live .hero-cue{display:block}
.hl-bg{position:absolute;inset:0;z-index:-1;pointer-events:none;background:
  radial-gradient(38% 46% at 18% 78%,rgba(187,71,76,.20),transparent 70%),
  radial-gradient(34% 40% at 50% 92%,rgba(212,168,68,.14),transparent 70%),
  radial-gradient(38% 46% at 82% 78%,rgba(27,119,160,.22),transparent 70%)}
.hl-bg::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:120px 120px;background-position:center;opacity:.35;-webkit-mask-image:radial-gradient(70% 70% at 50% 45%,#000,transparent);mask-image:radial-gradient(70% 70% at 50% 45%,#000,transparent)}
.hl-inner{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);align-items:center;gap:clamp(40px,6vw,96px)}
.hl-steps{display:grid}
.hl-step{grid-area:1/1;align-self:end}
.hl-live .hl-step{opacity:0;transform:translateY(22px);pointer-events:none;transition:opacity .45s var(--ease-out),transform .6s var(--ease-out)}
.hl-live .hl-step.is-active{opacity:1;transform:none;pointer-events:auto;transition-delay:.12s}
.hl-live .hl-step.is-past{transform:translateY(-22px)}
.hl-tag{margin-bottom:18px;font:500 .75rem/1.2 'IBM Plex Mono',ui-monospace,monospace;letter-spacing:.16em;text-transform:uppercase;color:var(--c,var(--text-2))}
.hl-step[data-area="civil"]{--c:var(--accent)}
.hl-step[data-area="elec"]{--c:var(--volt)}
.hl-step[data-area="cons"]{--c:var(--energy-light)}
.hl-title{font:800 clamp(2.2rem,4.6vw,4rem)/1.04 'Montserrat',sans-serif;letter-spacing:-.025em;max-width:14ch;text-wrap:balance}
.hl-sub{margin-top:20px;max-width:44ch;font-size:clamp(1.05rem,1.3vw,1.2rem);line-height:1.6;color:var(--text-2);text-wrap:pretty}
.hero-logo .cta-row{margin-top:clamp(24px,4vh,36px)}
.hl-logos{display:flex;flex-direction:column;align-items:stretch;gap:clamp(24px,4vh,40px)}
.hl-mark{width:clamp(220px,min(30vw,40vh),420px);height:auto;align-self:center}
.hl-areas{display:grid;gap:12px}
.hl-area{--c:var(--accent);display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 22px;border:1px solid var(--line);border-left:3px solid var(--c);border-radius:12px;background:rgba(255,255,255,.025);transition:transform .4s var(--ease-out),background .4s var(--ease-out),border-color .4s var(--ease-out),opacity .4s var(--ease-out),box-shadow .4s var(--ease-out)}
.hl-area.a-elec{--c:var(--volt)}
.hl-area.a-cons{--c:var(--energy-light)}
.hl-area img{height:clamp(28px,2.6vw,38px);width:auto;max-width:70%}
.hl-area span{font:500 .7rem/1 'IBM Plex Mono',ui-monospace,monospace;letter-spacing:.16em;text-transform:uppercase;color:var(--text-2);transition:color .4s var(--ease-out)}
.hl-area:hover,.hl-area.is-on{transform:translateX(6px);background:rgba(255,255,255,.06);border-color:rgba(242,240,235,.26);border-left-color:var(--c);box-shadow:-10px 0 32px -18px var(--c)}
.hl-area:hover span,.hl-area.is-on span{color:var(--c)}
.hl-areas.has-on .hl-area:not(.is-on):not(:hover){opacity:.45}
.js .hl-text,.js .hl-logos > *{opacity:0;transform:translateY(18px);animation:hlIn .9s var(--ease-out) forwards}
.js .hl-logos > :nth-child(1){animation-delay:.2s}
.js .hl-logos > :nth-child(2){animation-delay:.36s}
@keyframes hlIn{to{opacity:1;transform:none}}
@media (max-width:900px){
  .hl-inner{grid-template-columns:1fr;gap:28px}
  .hl-logos{order:-1;gap:18px}
  .hl-mark{width:clamp(150px,40vw,240px)}
  .hl-areas{gap:8px}
  .hl-area{padding:10px 16px}
  .hl-area img{height:24px}
  .hl-area:hover,.hl-area.is-on{transform:translateX(4px)}
  .hl-title{font-size:clamp(2rem,8.4vw,2.6rem)}
  .hl-sub{margin-top:14px}
  .hl-live .hero-cue{display:none}
}
@media (prefers-reduced-motion:reduce){.js .hl-text,.js .hl-logos > *{opacity:1;transform:none;animation:none}.hl-live .hl-step,.hl-area{transition:none}}

.hero{position:relative;background:#0E1114;overflow-anchor:none}
.hero-track{position:relative;height:100vh;height:100svh;min-height:560px}
.hero-stage{position:sticky;top:0;height:100vh;height:100svh;min-height:560px;overflow:hidden;isolation:isolate}
.hero-box{--bw:max(100vw,177.78vh);--bh:max(100vh,56.25vw);position:absolute;width:var(--bw);height:var(--bh);left:clamp(calc(100vw - var(--bw)),calc(50vw - .56 * var(--bw)),0px);top:clamp(calc(100vh - var(--bh)),calc(50vh - .42 * var(--bh)),0px);transform-origin:56% 38%}
.h-img{position:absolute;inset:0;width:100%;height:100%;object-fit:fill}
.h-off,.h-zone,.h-glows,.h-plan{display:none}
.h-full{opacity:1}
.hero-scrim{position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,rgba(10,12,14,.8) 0%,rgba(10,12,14,.46) 34%,rgba(10,12,14,0) 62%),linear-gradient(180deg,rgba(10,12,14,.55) 0%,rgba(10,12,14,0) 20%,rgba(10,12,14,0) 70%,rgba(10,12,14,.78) 100%)}

/* estado estático (sin JS, movimiento reducido): casa encendida + copy fijo */
.hero-static{position:absolute;left:var(--gutter);top:50%;transform:translateY(-44%);width:min(40rem,calc(100vw - var(--gutter) * 2))}
.hero-static h1{font-size:clamp(2.6rem,5.4vw,5.2rem);max-width:12ch;text-shadow:var(--tshadow)}
.hero-static p{margin-top:22px;font-size:clamp(1.06rem,1.35vw,1.3rem);color:rgba(242,240,235,.9);max-width:36ch;text-shadow:var(--tshadow)}
.cta-row{margin-top:34px;display:flex;flex-wrap:wrap;gap:14px}
.cta-row .btn{text-shadow:none}
.bands,.hero-chapters,.hero-cue{display:none}

/* recorrido activo */
.hero-live .hero-track{height:500vh}
.hero-live .hero-box{left:0;top:0;will-change:transform}
.hero-live .h-off,.hero-live .h-zone,.hero-live .h-glows,.hero-live .h-plan{display:block}
.hero-live .h-zone,.hero-live .h-full,.hero-live .h-glows{opacity:0;will-change:opacity}
.hero-live .hero-static{display:none}
.hero-live .bands,.hero-live .hero-chapters,.hero-live .hero-cue{display:block}

.h-zone-a{-webkit-mask-image:radial-gradient(ellipse 25% 19% at 58% 37%,#000 55%,transparent 100%);mask-image:radial-gradient(ellipse 25% 19% at 58% 37%,#000 55%,transparent 100%)}
.h-zone-b{-webkit-mask-image:radial-gradient(ellipse 13% 13% at 67% 64%,#000 50%,transparent 100%),radial-gradient(ellipse 13% 13% at 25% 67%,#000 45%,transparent 100%),radial-gradient(ellipse 11% 5% at 52% 52%,#000 40%,transparent 100%);mask-image:radial-gradient(ellipse 13% 13% at 67% 64%,#000 50%,transparent 100%),radial-gradient(ellipse 13% 13% at 25% 67%,#000 45%,transparent 100%),radial-gradient(ellipse 11% 5% at 52% 52%,#000 40%,transparent 100%)}
.h-zone-c{-webkit-mask-image:radial-gradient(ellipse 15% 42% at 88% 34%,#000 50%,transparent 100%),radial-gradient(ellipse 9% 14% at 6% 72%,#000 45%,transparent 100%),radial-gradient(ellipse 9% 8% at 45% 73%,#000 40%,transparent 100%);mask-image:radial-gradient(ellipse 15% 42% at 88% 34%,#000 50%,transparent 100%),radial-gradient(ellipse 9% 14% at 6% 72%,#000 45%,transparent 100%),radial-gradient(ellipse 9% 8% at 45% 73%,#000 40%,transparent 100%)}

.js .hero-box{opacity:0;transition:opacity 1.1s var(--ease-out)}
.js .hero-box.is-ready{opacity:1}
.h-glows{position:absolute;inset:0;pointer-events:none}
.h-glows i{position:absolute;width:var(--s,2.6%);aspect-ratio:1;transform:translate(-50%,-50%);border-radius:50%;background:radial-gradient(circle,rgba(255,226,170,.95) 0%,rgba(255,196,107,.42) 32%,rgba(255,196,107,0) 70%);mix-blend-mode:screen}
.h-glows i.wide{aspect-ratio:2/1;background:radial-gradient(ellipse,rgba(255,214,150,.7) 0%,rgba(255,196,107,.25) 40%,rgba(255,196,107,0) 72%)}
.h-glows i.soft{background:radial-gradient(circle,rgba(255,214,150,.42) 0%,rgba(255,196,107,.16) 42%,rgba(255,196,107,0) 70%)}

.h-plan{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none}
.h-plan g{opacity:0}
.h-plan path{fill:none;stroke:rgba(242,240,235,.66);stroke-width:.9;stroke-dasharray:1;stroke-dashoffset:calc(1 - var(--d,0))}
.h-plan text{font:500 12px 'IBM Plex Mono',ui-monospace,monospace;letter-spacing:2.4px;fill:rgba(242,240,235,.78);opacity:clamp(0,(var(--d,0) - .7) * 3.4,1)}

.bands{position:absolute;inset:0;pointer-events:none}
.band{position:absolute;left:var(--gutter);top:50%;transform:translateY(-46%);width:min(40rem,46vw);opacity:0;isolation:isolate;text-shadow:var(--tshadow)}
.band::before{content:"";position:absolute;inset:-34% -30% -34% -46%;z-index:-1;pointer-events:none;background:radial-gradient(ellipse 58% 54% at 40% 50%,rgba(8,10,12,.64) 0%,rgba(8,10,12,.4) 46%,rgba(8,10,12,0) 76%);opacity:calc(.25 + .75 * var(--k,1))}
.b-flick::before,.b-blur::before{background:radial-gradient(ellipse 60% 56% at 40% 50%,rgba(8,10,12,.76) 0%,rgba(8,10,12,.5) 46%,rgba(8,10,12,0) 78%)}
.b-settle::before{inset:-36% -44% -30% -46%;background:radial-gradient(ellipse 62% 58% at 40% 46%,rgba(8,10,12,.8) 0%,rgba(8,10,12,.56) 50%,rgba(8,10,12,0) 80%)}
.band h1,.band h2{font-size:clamp(2.5rem,5vw,5rem);line-height:1.02;max-width:12.5ch}
.band h2{font-size:clamp(2.4rem,4.8vw,4.6rem)}
.band .sub{margin-top:22px;font-size:clamp(1.06rem,1.35vw,1.3rem);line-height:1.55;color:rgba(242,240,235,.92);max-width:34ch;--ks:clamp(0,(var(--k,0) - .42) * 3,1);opacity:var(--ks);transform:translateY(calc((1 - var(--ks)) * 30px))}
.band .tag{display:inline-flex;align-items:center;gap:10px;margin-bottom:22px;padding:8px 12px;border-radius:999px;background:rgba(8,8,15,.55);border:1px solid rgba(96,96,126,.3);font:500 .72rem/1 'IBM Plex Mono',ui-monospace,monospace;letter-spacing:.16em;color:rgba(242,240,235,.92);text-shadow:0 1px 3px rgba(5,5,10,.85);--kt:clamp(0,var(--k,0) * 3,1);opacity:var(--kt);transform:translateY(calc((1 - var(--kt)) * 14px));-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.band .tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--lamp);box-shadow:0 0 10px var(--lamp)}
.band .w,.band .c{display:inline-block}
.band .w{white-space:nowrap}

/* 1: palabra por palabra */
.b-rise .w{--kc:clamp(0,(var(--k,0) - var(--th,0)) * 2.3,1);opacity:var(--kc);transform:translateY(calc((1 - var(--kc)) * 1.15em))}
/* 2: encaje en grilla */
.b-grid .c{--kc:clamp(0,(var(--k,0) - var(--th,0)) * 3,1);opacity:var(--kc);transform:translateX(calc((1 - var(--kc)) * var(--jx,0px)))}
/* 3: encendido, cada palabra titila y queda, una después de otra, con su propio brillo */
.b-flick .w{position:relative;opacity:var(--kf,0);transform:translateY(calc((1 - var(--kf,0)) * .35em))}
.b-flick .w::after{content:attr(data-t);position:absolute;left:0;top:0;color:transparent;text-shadow:0 0 18px rgba(255,196,107,.85),0 0 42px rgba(255,196,107,.5);opacity:var(--kg,0);pointer-events:none}
.b-flick .sub{--ks:clamp(0,(var(--k,0) - .7) * 3.4,1)}
/* 4: desenfoque a nítido */
.b-blur .stack{position:relative;display:block}
.b-blur .soft{position:absolute;inset:0;filter:blur(18px);opacity:calc(1 - var(--k,0));transform:scale(calc(1 + (1 - var(--k,0)) * .09));transform-origin:0 50%}
.b-blur .sharp{opacity:var(--k,0)}
/* 5: asentamiento en tres tiempos */
.b-settle .w{--kc:clamp(0,(var(--k,0) - var(--th,0)) * 2.3,1);opacity:var(--kc);transform:translateY(calc((1 - var(--kc)) * 1.1em))}
.b-settle .chip-nv{--kx:clamp(0,(var(--k,0) - .5) * 4,1);opacity:var(--kx);transform:translateY(calc((1 - var(--kx)) * 10px))}
.b-settle .cta-row{--kb:clamp(0,(var(--k,0) - .68) * 4,1);opacity:var(--kb);transform:translateY(calc((1 - var(--kb)) * 12px));pointer-events:auto}
.chip-nv{display:inline-block;margin-top:22px;padding:9px 13px;border-radius:10px;background:rgba(8,8,15,.55);border:1px solid rgba(96,96,126,.3);font:500 .7rem/1.5 'IBM Plex Mono',ui-monospace,monospace;letter-spacing:.14em;color:rgba(242,240,235,.9);text-shadow:0 1px 3px rgba(5,5,10,.85);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);max-width:100%}
.chip-nv span{display:block}

.hero-chapters{position:absolute;right:var(--gutter);bottom:clamp(28px,5vh,52px);display:none;flex-direction:column;gap:14px;text-align:right}
.hero-live .hero-chapters{display:flex}
.hero-chapters li{display:flex;align-items:center;justify-content:flex-end;gap:12px;font:500 .68rem/1 'IBM Plex Mono',ui-monospace,monospace;letter-spacing:.16em;color:rgba(242,240,235,.5);text-shadow:0 1px 3px rgba(5,5,10,.9);transition:color .5s var(--ease-out)}
.hero-chapters li::after{content:"";width:9px;height:9px;border-radius:50%;border:1px solid rgba(242,240,235,.55);transition:background .5s var(--ease-out),border-color .5s,box-shadow .5s}
.hero-chapters li.is-on{color:rgba(242,240,235,.95)}
.hero-chapters li.is-on::after{background:var(--lamp);border-color:var(--lamp);box-shadow:0 0 12px rgba(255,196,107,.8)}

.hero-cue{position:absolute;left:50%;bottom:28px;transform:translateX(-50%);text-align:center;font:500 .68rem/1 'IBM Plex Mono',ui-monospace,monospace;letter-spacing:.2em;text-transform:uppercase;color:rgba(242,240,235,.78);text-shadow:0 1px 3px rgba(5,5,10,.9);transition:opacity .6s var(--ease-out)}
.hero-cue::after{content:"";display:block;width:1px;height:36px;margin:14px auto 0;background:linear-gradient(rgba(242,240,235,.8),rgba(242,240,235,0));transform-origin:top;animation:cue 2.4s var(--ease-io) infinite;animation-delay:-.6s}
.hero-cue.is-hidden{opacity:0}
@keyframes cue{0%{transform:scaleY(0);opacity:1}60%{transform:scaleY(1);opacity:1}100%{transform:scaleY(1);opacity:0}}

@media (max-width:760px){
  .hero-scrim{background:linear-gradient(0deg,rgba(10,12,14,.92) 0%,rgba(10,12,14,.6) 36%,rgba(10,12,14,0) 62%),linear-gradient(180deg,rgba(10,12,14,.6) 0%,rgba(10,12,14,0) 22%)}
  .band,.hero-static{left:20px;right:20px;width:auto;top:auto;bottom:calc(13vh + env(safe-area-inset-bottom));transform:none}
  .band::before{inset:-30% -12% -24% -12%}
  .band h1,.band h2{font-size:clamp(2.1rem,9.4vw,2.9rem);max-width:13ch}
  .band .sub,.hero-static p{font-size:1.02rem;margin-top:16px}
  .band .tag{margin-bottom:16px}
  .hero-chapters{display:none!important}
  .hero-cue{bottom:18px}
  .cta-row .btn{flex:1 1 auto}
}

/* ==========================================================================
   S1 números
   ========================================================================== */
.stats{position:relative;background:var(--canvas-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden}
.stats::before{content:"";position:absolute;top:-1px;left:0;width:22%;height:1px;background:linear-gradient(90deg,transparent,var(--lamp),transparent);opacity:.7;transform:translateX(-100%);animation:current 9s linear infinite;animation-delay:-3s;animation-play-state:paused}
.stats.live::before{animation-play-state:running}
@keyframes current{to{transform:translateX(560%)}}
.stats-row{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:clamp(30px,4.2vw,52px) clamp(16px,2.4vw,32px)}
.stat:first-child{padding-left:0}
.stat-num{font:800 clamp(2.4rem,4.2vw,3.6rem)/1 'Montserrat',sans-serif;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.stat-label{margin-top:12px;font:500 .72rem/1.35 'IBM Plex Mono',ui-monospace,monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--text-2)}
@media (max-width:760px){
  .stats-row{grid-template-columns:1fr 1fr}
  .stat{padding-left:0}
  .stat:nth-child(n+3){border-top:1px solid var(--line)}
}

/* ==========================================================================
   S2 cómo trabajamos
   ========================================================================== */
.como-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(40px,6vw,96px);align-items:start}
.como-head{position:sticky;top:calc(var(--header-h) + 48px)}
.steps{position:relative;padding-left:76px}
.steps-list{display:grid;gap:clamp(44px,5.4vw,72px)}
.steps-track{position:absolute;left:23px;top:24px;bottom:24px;width:2px;background:var(--line-ink);overflow:hidden}
.steps-fill{position:absolute;inset:0;background:var(--ink);transform:scaleY(0);transform-origin:top;will-change:transform}
.step{position:relative}
.step-node{position:absolute;left:-76px;top:-6px;width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:var(--paper);border:1.5px solid rgba(31,36,40,.28);font:500 .8rem/1 'IBM Plex Mono',ui-monospace,monospace;color:var(--ink-2);transition:background .5s var(--ease-out),color .5s var(--ease-out),border-color .5s var(--ease-out)}
.step.is-reached .step-node{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.step.is-current .step-node::after{content:"";position:absolute;inset:-7px;border-radius:50%;border:1px solid var(--ink);opacity:0;animation:nodePulse 4s ease-out infinite;animation-delay:-1s}
@keyframes nodePulse{0%{opacity:.5;transform:scale(.9)}70%,100%{opacity:0;transform:scale(1.25)}}
.step h3{font-size:clamp(1.35rem,2vw,1.75rem);letter-spacing:-.01em}
.step p{margin-top:12px;color:var(--ink-2);max-width:42ch;font-size:1.06rem}

.trio{margin-top:clamp(80px,10vw,140px)}
.trio-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(10px,1.6vw,24px)}
.ph{position:relative;aspect-ratio:4/3;border-radius:12px;overflow:hidden;background:var(--paper-2)}
.ph img{width:100%;height:100%;object-fit:cover}
.ph-tag{position:absolute;left:12px;top:12px;padding:7px 11px;border-radius:999px;background:rgba(20,24,27,.74);color:#F2F0EB;font:500 .66rem/1 'IBM Plex Mono',ui-monospace,monospace;letter-spacing:.14em;text-transform:uppercase;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.trio .cota{margin-top:26px}
.trio-caption{margin-top:22px;display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:12px 32px}
.trio-caption strong{font:800 clamp(1.5rem,2.6vw,2.3rem)/1.1 'Montserrat',sans-serif;letter-spacing:-.02em}
@media (max-width:900px){
  .como-grid{grid-template-columns:1fr}
  .como-head{position:static}
}
@media (max-width:640px){
  .trio-grid{grid-template-columns:1fr}
  .steps{padding-left:64px}
  .step-node{left:-64px;width:44px;height:44px}
  .steps-track{left:21px}
}

/* ==========================================================================
   S3 qué hacemos + "Subí la llave"
   ========================================================================== */
.areas-grid{display:grid;grid-template-columns:250px minmax(0,1fr);gap:48px;align-items:start;margin-top:clamp(48px,6vw,80px)}
.tablero-col{display:flex;flex-direction:column;align-items:center}
.tablero{position:relative;width:100%;max-width:250px;aspect-ratio:240/300}
.tablero svg{width:100%;height:100%}
.tb-led{fill:#3A4248;transition:fill .5s var(--ease-out)}
.tb-mini{fill:#39424A;transition:fill .5s var(--ease-out)}
.areas.is-on .tb-led{fill:var(--lamp);animation:ledBreath 4s ease-in-out infinite;animation-delay:-2s}
.areas.is-on .tb-mini.m1{fill:var(--accent);transition-delay:.7s}
.areas.is-on .tb-mini.m2{fill:var(--volt);transition-delay:.85s}
.areas.is-on .tb-mini.m3{fill:var(--energy-light);transition-delay:1s}
@keyframes ledBreath{50%{opacity:.55}}
.llave{position:absolute;left:35%;top:16%;width:30%;height:30.7%;border:0;padding:0;background:none;cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;border-radius:8px}
.llave:hover .llave-lever{box-shadow:0 3px 12px rgba(0,0,0,.5),0 0 0 2px rgba(255,196,107,.35),inset 0 -2px 0 rgba(0,0,0,.18)}
.llave-slot{position:absolute;left:30%;right:30%;top:14%;bottom:14%;border-radius:6px;background:#141719;box-shadow:inset 0 2px 6px rgba(0,0,0,.7)}
.llave-lever{position:absolute;left:30%;right:30%;top:14%;height:36%;border-radius:6px;background:linear-gradient(180deg,#F2F0EB,#BEC3C7);box-shadow:0 3px 8px rgba(0,0,0,.45),inset 0 -2px 0 rgba(0,0,0,.18);transform:translateY(100%);transition:transform .5s cubic-bezier(.3,1.5,.5,1),box-shadow .25s ease}
.areas.is-on .llave-lever{transform:translateY(0)}
.llave-ring{position:absolute;left:50%;top:50%;width:150%;aspect-ratio:1;transform:translate(-50%,-50%) rotate(-90deg);pointer-events:none;overflow:visible}
.llave-ring circle{fill:none;stroke:var(--lamp);stroke-width:3;stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:1;opacity:.95}
.llave-ring{transition:opacity .5s ease}
.areas.is-on .llave-ring{opacity:0;transition-delay:.3s}
.llave-cta{margin-top:18px;text-align:center}
.llave-cta strong{display:block;font:800 1.2rem/1.2 'Montserrat',sans-serif;letter-spacing:-.01em}
.llave-cta span{display:block;margin-top:6px;font:500 .72rem/1.4 'IBM Plex Mono',ui-monospace,monospace;letter-spacing:.12em;text-transform:uppercase;color:var(--text-2)}
.areas.is-on .llave-cta span{color:var(--lamp)}

.cards{position:relative;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;padding-top:46px}
.bus{position:absolute;top:12px;left:-58px;right:calc((100% - 48px) / 3 - 34px);height:2px;background:var(--lamp);box-shadow:0 0 10px rgba(255,196,107,.6);transform:scaleX(0);transform-origin:left;transition:transform .55s var(--ease-io) .1s}
.areas.is-on .bus{transform:scaleX(1)}
.card{--c:var(--accent);position:relative;display:flex;flex-direction:column;gap:16px;padding:30px 26px 26px;border-radius:14px;background:var(--panel);border:1px solid var(--line);transition:transform .35s var(--ease-out),border-color .35s var(--ease-out)}
.card:hover{transform:translateY(-3px);border-color:rgba(242,240,235,.26)}
.card.c-elec{--c:var(--volt)}
.card.c-cons{--c:var(--energy-light)}
.card::before{content:"";position:absolute;left:34px;top:-34px;width:2px;height:34px;background:var(--lamp);box-shadow:0 0 8px rgba(255,196,107,.55);transform:scaleY(0);transform-origin:top;transition:transform .3s var(--ease-io)}
.card::after{content:"";position:absolute;left:0;right:0;top:0;height:3px;border-radius:14px 14px 0 0;background:var(--c);transform:scaleX(0);transform-origin:left;transition:transform .7s var(--ease-out)}
.card-glow{position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:radial-gradient(ellipse 90% 60% at 25% 0%,var(--c),transparent 70%);opacity:0;transition:opacity .9s var(--ease-out)}
.card-logo{position:relative;height:34px}
.card-logo img{height:34px;width:auto;opacity:.5;filter:grayscale(1);transition:opacity .7s var(--ease-out),filter .7s var(--ease-out)}
.card h3{position:relative;font-size:1.45rem;letter-spacing:-.01em}
.card p{position:relative;color:var(--text-2)}
.card ul{position:relative;margin-top:2px;border-top:1px solid var(--line)}
.card li{padding:10px 0;border-bottom:1px solid var(--line);font:500 .74rem/1.45 'IBM Plex Mono',ui-monospace,monospace;letter-spacing:.06em;color:rgba(242,240,235,.84)}
.card .link-arrow{margin-top:auto;align-self:flex-start;color:var(--text)}
.card .link-arrow::after{content:"";position:absolute;inset:0;z-index:1;border-radius:14px}
.card .link-arrow:focus-visible{outline:none}
.card:has(.link-arrow:focus-visible){outline:2px solid var(--accent);outline-offset:4px}
.card:hover .link-arrow svg{transform:translateX(3px)}
.areas.is-on .c-civil::before{transform:scaleY(1);transition-delay:.55s}
.areas.is-on .c-elec::before{transform:scaleY(1);transition-delay:.7s}
.areas.is-on .c-cons::before{transform:scaleY(1);transition-delay:.85s}
.areas.is-on .c-civil::after{transform:scaleX(1);transition-delay:.75s}
.areas.is-on .c-elec::after{transform:scaleX(1);transition-delay:.9s}
.areas.is-on .c-cons::after{transform:scaleX(1);transition-delay:1.05s}
.areas.is-on .c-civil .card-glow{opacity:.14;transition-delay:.75s}
.areas.is-on .c-elec .card-glow{opacity:.14;transition-delay:.9s}
.areas.is-on .c-cons .card-glow{opacity:.14;transition-delay:1.05s}
.areas.is-on .c-civil .card-logo img{opacity:1;filter:none;transition-delay:.75s}
.areas.is-on .c-elec .card-logo img{opacity:1;filter:none;transition-delay:.9s}
.areas.is-on .c-cons .card-logo img{opacity:1;filter:none;transition-delay:1.05s}
@media (max-width:1060px){
  .areas-grid{grid-template-columns:1fr;gap:36px}
  .tablero{max-width:210px}
  .cards{grid-template-columns:1fr;padding-top:0;padding-left:48px;gap:20px;margin-top:24px}
  .bus{top:-24px;left:14px;right:auto;width:2px;height:calc(var(--bus-len,100%) + 24px);transform:scaleY(0);transform-origin:top}
  .areas.is-on .bus{transform:scaleY(1)}
  .card::before{left:-34px;top:40px;width:34px;height:2px;transform:scaleX(0);transform-origin:left}
  .areas.is-on .c-civil::before,.areas.is-on .c-elec::before,.areas.is-on .c-cons::before{transform:scaleX(1)}
}

/* ==========================================================================
   S4 obras destacadas
   ========================================================================== */
.obras-list{display:grid;gap:clamp(72px,9vw,128px);margin-top:clamp(52px,6vw,88px)}
.obra{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(28px,4.5vw,72px);align-items:center}
.obra:nth-child(even) .obra-media{order:2}
.obra-media{position:relative;aspect-ratio:4/3;border-radius:16px;overflow:hidden;background:var(--paper-2);box-shadow:0 34px 60px -34px rgba(20,24,27,.5)}
.obra-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.045);transition:opacity .9s var(--ease-out),transform 7s var(--ease-out)}
.obra-media img.is-active{opacity:1;transform:scale(1)}
.stage-chip{position:absolute;left:14px;bottom:14px;display:inline-flex;align-items:center;gap:9px;padding:8px 12px;border-radius:999px;background:rgba(20,24,27,.76);color:#F2F0EB;font:500 .66rem/1 'IBM Plex Mono',ui-monospace,monospace;letter-spacing:.14em;text-transform:uppercase;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.stage-chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lamp)}
.obra-body h3{font-size:clamp(1.8rem,3vw,2.6rem)}
.obra-body .meta{margin-top:12px}
.obra-body p{margin-top:16px;color:var(--ink-2);max-width:40ch}
.seg{--n:3;position:relative;display:inline-grid;grid-auto-flow:column;grid-auto-columns:1fr;margin-top:26px;padding:4px;border-radius:999px;border:1px solid rgba(31,36,40,.2);background:rgba(255,255,255,.55)}
.seg button{position:relative;z-index:1;min-height:40px;padding:0 16px;border:0;background:none;cursor:pointer;font:700 .72rem/1 'Montserrat',sans-serif;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2);white-space:nowrap;transition:color .35s var(--ease-out)}
.seg button[aria-selected="true"]{color:var(--paper)}
.seg-ind{position:absolute;top:4px;bottom:4px;left:4px;width:calc((100% - 8px) / var(--n));border-radius:999px;background:var(--ink);transform:translateX(calc(var(--i,0) * 100%));transition:transform .5s var(--ease-out)}
.obras-foot{margin-top:clamp(56px,7vw,96px)}
.obras-foot .link-arrow{color:var(--ink)}
@media (max-width:900px){
  .obra{grid-template-columns:1fr}
  .obra:nth-child(even) .obra-media{order:0}
}
@media (max-width:420px){
  .seg button{padding:0 11px;font-size:.66rem}
}

/* ==========================================================================
   S5 preguntas frecuentes
   ========================================================================== */
.faq-list{max-width:880px;margin:clamp(44px,5vw,72px) auto 0;border-bottom:1px solid var(--line)}
.faq-head{max-width:880px;margin:0 auto}
.faq details{border-top:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:26px 0;font:700 clamp(1.08rem,1.6vw,1.32rem)/1.35 'Montserrat',sans-serif;letter-spacing:-.005em;transition:color .25s}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:#fff}
.team-base,.team-areas{margin-top:clamp(40px,5vw,64px)}
.team-areas{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.team-col{--c:var(--accent)}
.team-col.t-elec{--c:var(--volt)}
.team-col.t-cons{--c:var(--energy-light)}
.team-h{display:flex;align-items:center;gap:14px;padding-bottom:16px;font-size:1.25rem;letter-spacing:-.01em;border-bottom:2px solid var(--c,var(--text-2))}
.team-h span{font:500 .72rem/1 'IBM Plex Mono',ui-monospace,monospace;letter-spacing:.16em;text-transform:uppercase;color:var(--text-2)}
.roles{margin-top:8px}
.roles li{display:grid;gap:4px;padding:16px 0;border-bottom:1px solid var(--line)}
.roles strong{font:700 1.02rem/1.3 'Montserrat',sans-serif}
.roles span{color:var(--text-2);font-size:.98rem}
.roles-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:24px}
.roles li.is-empty{opacity:.55}
.roles li.is-empty strong{font-weight:500;font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:.86rem}
.sec-paper .team-h span,.sec-paper .roles span{color:var(--ink-2)}
.sec-paper .roles li{border-color:var(--line-ink)}
@media (max-width:900px){.team-areas{grid-template-columns:1fr;gap:36px}.roles-2{grid-template-columns:1fr}}
.pm{position:relative;width:18px;height:18px;flex:none}
.pm::before,.pm::after{content:"";position:absolute;left:50%;top:50%;width:18px;height:2px;border-radius:2px;background:currentColor;transform:translate(-50%,-50%)}
.pm::after{transform:translate(-50%,-50%) rotate(90deg);transition:transform .35s var(--ease-out)}
details[open] .pm::after{transform:translate(-50%,-50%) rotate(0deg)}
.faq .ans{padding:0 0 30px;color:var(--text-2);max-width:62ch;font-size:1.06rem}
details[open] .ans{animation:ansIn .5s var(--ease-out)}
@keyframes ansIn{from{opacity:0;transform:translateY(-6px)}}
@supports (interpolate-size:allow-keywords){
  :root{interpolate-size:allow-keywords}
  .faq details::details-content{height:0;overflow:clip;transition:height .45s var(--ease-out),content-visibility .45s allow-discrete}
  .faq details[open]::details-content{height:auto}
}

/* ==========================================================================
   S6 quiénes somos
   ========================================================================== */
.nos-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:clamp(40px,6vw,96px);align-items:center}
.nos-media{position:relative;aspect-ratio:4/5;border-radius:16px;overflow:hidden;background:var(--paper-2)}
.nos-media img{width:100%;height:100%;object-fit:cover;transform:scale(1.001)}
.nos.live .nos-media img{animation:kenburns 22s ease-in-out infinite alternate;animation-delay:-6s}
@keyframes kenburns{to{transform:scale(1.06) translate(-1%,-1%)}}
.mv{margin-top:34px;display:grid;gap:28px}
.mv h3{font:500 .72rem/1.3 'IBM Plex Mono',ui-monospace,monospace;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-2)}
.mv p{margin-top:10px;color:var(--ink);max-width:56ch}
@media (max-width:900px){
  .nos-grid{grid-template-columns:1fr}
  .nos-media{aspect-ratio:4/3}
}

/* ==========================================================================
   S7 contacto
   ========================================================================== */
.contacto-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(40px,6vw,96px);align-items:start}
.direct{margin-top:40px;display:grid;gap:6px}
.direct a,.direct div{display:flex;align-items:center;gap:14px;min-height:44px;color:var(--text-2);transition:color .25s}
.direct a:hover{color:var(--text)}
.direct svg{width:18px;height:18px;flex:none;color:var(--text)}
.wa-dot{position:relative;width:8px;height:8px;border-radius:50%;background:#4ACB7A;flex:none}
.contacto.live .wa-dot::after{content:"";position:absolute;inset:-5px;border-radius:50%;border:1px solid #4ACB7A;animation:nodePulse 4s ease-out infinite}
.form{display:grid;gap:22px;padding:clamp(24px,3.4vw,44px);border-radius:18px;background:var(--panel);border:1px solid var(--line)}
.field > label,.field legend{display:block;margin-bottom:10px;padding:0;font:500 .72rem/1.2 'IBM Plex Mono',ui-monospace,monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--text-2)}
.field{border:0;margin:0;padding:0;min-width:0}
.field input,.field textarea{width:100%;padding:14px 16px;border-radius:10px;border:1px solid rgba(242,240,235,.18);background:rgba(0,0,0,.2);color:var(--text);font:400 1rem/1.45 'Guton',system-ui,sans-serif;transition:border-color .25s,background .25s}
.field textarea{min-height:120px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:rgba(167,174,181,.7)}
.field input:hover,.field textarea:hover{border-color:rgba(242,240,235,.3)}
.field input:focus,.field textarea:focus{border-color:var(--text-2);background:rgba(0,0,0,.28)}
.field.has-error input{border-color:#E4858A}
.field-err{display:none;margin-top:8px;font-size:.9rem;color:#F0A3A6}
.field.has-error .field-err{display:block}
.two{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{position:relative}
.chip input{position:absolute;opacity:0;width:1px;height:1px}
.chip span{display:inline-flex;align-items:center;min-height:44px;padding:0 17px;border-radius:999px;border:1px solid rgba(242,240,235,.22);cursor:pointer;font-size:.98rem;color:rgba(242,240,235,.88);transition:background .25s,color .25s,border-color .25s}
.chip span:hover{border-color:rgba(242,240,235,.45)}
.chip input:checked + span{background:var(--text);color:var(--canvas);border-color:var(--text)}
.chip input:focus-visible + span{outline:2px solid var(--accent);outline-offset:3px}
.field.has-error .chip span{border-color:#E4858A}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px}
.form-note{font-size:.92rem;color:var(--text-2)}
.form-ok{display:none;padding:16px 18px;border-radius:12px;background:rgba(74,203,122,.1);border:1px solid rgba(74,203,122,.35);color:#CFEFDC}
.form.is-sent .form-ok{display:block}
.form-ok:focus{outline:none}
@media (max-width:900px){.contacto-grid{grid-template-columns:1fr}}
@media (max-width:560px){.two{grid-template-columns:1fr}}

/* ==========================================================================
   pie
   ========================================================================== */
.site-footer{background:#15191C;border-top:1px solid var(--line);padding:clamp(56px,7vw,88px) 0 30px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.5fr;gap:48px}
.footer-brand img{height:52px;width:auto}
.footer-brand p{margin-top:16px;color:var(--text-2);max-width:30ch}
.footer-col h2{font:500 .72rem/1.2 'IBM Plex Mono',ui-monospace,monospace;letter-spacing:.16em;text-transform:uppercase;color:var(--text);margin-bottom:16px}
.footer-col ul{display:grid;gap:4px}
.footer-col a,.footer-col li > span{display:inline-flex;align-items:center;gap:10px;min-height:40px;color:var(--text-2);transition:color .25s}
.footer-col a:hover{color:var(--text)}
.footer-col svg{width:16px;height:16px;flex:none}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid var(--line);font-size:.86rem;color:#8C939A}
@media (max-width:860px){.footer-grid{grid-template-columns:1fr;gap:36px}}

/* ==========================================================================
   páginas de área
   ========================================================================== */
body[data-area="electrico"]{--area:var(--volt)}
body[data-area="consultoria"]{--area:var(--energy-light)}
.page-hero{position:relative;padding:calc(var(--header-h) + clamp(56px,8vw,112px)) 0 clamp(72px,9vw,128px);overflow:hidden}
.page-hero-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:clamp(32px,5vw,80px);align-items:center}
.page-hero .eyebrow::before{background:var(--area);opacity:1}
.area-logo{margin-top:24px}
.area-logo img{height:44px;width:auto}
.page-hero h1{margin-top:26px;font-size:clamp(2.5rem,5.2vw,4.6rem);max-width:13ch}
.page-hero .lede{max-width:44ch}
.diagram{width:100%;max-width:470px;margin-left:auto}
.diagram svg{width:100%;height:auto;overflow:visible}
.dg-ln{fill:none;stroke:var(--area);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1;stroke-dashoffset:1;animation:drawIn 1.5s var(--ease-io) forwards;animation-delay:var(--d,0s)}
.dg-guide{fill:none;stroke:rgba(242,240,235,.18);stroke-width:1;stroke-dasharray:3 5}
.dg-fill{fill:var(--area);opacity:0;animation:fillIn 1.2s var(--ease-out) forwards;animation-delay:var(--d,1.4s)}
.dg-lbl{font:500 11px 'IBM Plex Mono',ui-monospace,monospace;letter-spacing:1.6px;fill:var(--text-2);opacity:0;animation:fillIn .8s ease forwards;animation-delay:var(--d,1.2s)}
.dg-dot{fill:var(--lamp)}
@keyframes drawIn{to{stroke-dashoffset:0}}
@keyframes fillIn{to{opacity:var(--o,1)}}
@media (max-width:900px){
  .page-hero-grid{grid-template-columns:1fr}
  .diagram{margin:8px auto 0;max-width:380px}
}

.cat-head{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,5vw,80px);align-items:end}
.svc-list{border-top:1px solid var(--line-ink)}
.svc-list li{display:flex;align-items:baseline;gap:16px;padding:17px 0;border-bottom:1px solid var(--line-ink);font-size:1.06rem}
.svc-list li::before{content:"";width:8px;height:8px;flex:none;transform:translateY(-1px) rotate(45deg);background:var(--mark,var(--accent))}
.sec:not(.sec-paper) .svc-list{border-color:var(--line)}
.sec:not(.sec-paper) .svc-list li{border-color:var(--line)}
body[data-area="electrico"] .sec-paper .svc-list li::before{background:var(--volt-ink)}
body[data-area="electrico"] .sec:not(.sec-paper) .svc-list li::before{background:var(--volt)}
body[data-area="consultoria"] .svc-list li::before{background:var(--energy)}
@media (max-width:900px){.cat-head{grid-template-columns:1fr}}

.quote{font:800 clamp(1.6rem,3vw,2.6rem)/1.18 'Montserrat',sans-serif;letter-spacing:-.02em;max-width:22ch}
.team{margin-top:clamp(40px,5vw,64px);display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-ink);border:1px solid var(--line-ink);border-radius:14px;overflow:hidden}
.team div{background:var(--paper);padding:22px 22px 24px}
.team strong{display:block;font:700 1.05rem/1.3 'Montserrat',sans-serif;letter-spacing:-.005em}
.team span{display:block;margin-top:6px;color:var(--ink-2)}
.sec:not(.sec-paper) .team{background:var(--line);border-color:var(--line)}
.sec:not(.sec-paper) .team div{background:var(--canvas-2)}
.sec:not(.sec-paper) .team span{color:var(--text-2)}
@media (max-width:900px){.team{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.team{grid-template-columns:1fr}}

.proj{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:clamp(24px,4vw,64px);padding:clamp(44px,5vw,72px) 0;border-top:1px solid var(--line-ink)}
.proj-head h3{font-size:clamp(1.6rem,2.6vw,2.2rem)}
.proj-head .meta{margin-top:12px}
.proj-head p{margin-top:14px;color:var(--ink-2);max-width:40ch}
.proj-head .seg{margin-top:22px}
.proj-panels{position:relative}
.proj-panel{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .6s var(--ease-out),visibility .6s}
.proj-panel.is-active{position:relative;opacity:1;visibility:visible}
.proj-panel .ph{border-radius:12px}
@media (max-width:900px){.proj{grid-template-columns:1fr}}
@media (max-width:520px){.proj-panel{grid-template-columns:1fr}}

.cat{padding-top:clamp(72px,9vw,128px)}
.cat:first-of-type{padding-top:0}
.cat-list{margin-top:clamp(40px,5vw,64px)}

.statement{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(32px,5vw,80px);align-items:center}
.statement > h2{font-size:clamp(2.2rem,4.6vw,3.8rem);max-width:13ch}
.statement > p{color:var(--text-2);font-size:clamp(1.06rem,1.35vw,1.25rem);max-width:38ch}
@media (max-width:900px){.statement{grid-template-columns:1fr}}

.gallery{margin-top:clamp(40px,5vw,64px);display:grid;grid-template-columns:2fr 1fr;grid-template-rows:auto auto;gap:14px}
.gallery .ph:first-child{grid-row:span 2;aspect-ratio:auto;min-height:100%}
@media (max-width:760px){.gallery{grid-template-columns:1fr}.gallery .ph:first-child{grid-row:auto;aspect-ratio:16/10}}

.tiles{margin-top:clamp(40px,5vw,64px);display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.tile{position:relative;padding:28px 26px 30px;border-radius:14px;background:var(--paper-2);border:1px solid var(--line-ink);display:flex;flex-direction:column;gap:18px;min-height:210px;transition:transform .35s var(--ease-out),border-color .35s}
.tile:hover{transform:translateY(-3px);border-color:rgba(31,36,40,.3)}
.tile .num{font:500 .72rem/1 'IBM Plex Mono',ui-monospace,monospace;letter-spacing:.16em;color:var(--energy)}
.tile svg{width:40px;height:40px;color:var(--energy)}
.tile svg *{fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.tile h3{margin-top:auto;font-size:clamp(1.25rem,1.9vw,1.55rem);letter-spacing:-.01em;max-width:18ch}
@media (max-width:640px){.tiles{grid-template-columns:1fr}}

.clients-block{margin-top:clamp(88px,10vw,140px)}
.clients-block .cota{margin-bottom:clamp(40px,5vw,64px)}
.clients{margin-top:clamp(36px,4.5vw,56px);display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.client{display:grid;place-items:center;aspect-ratio:5/2;padding:18px 24px;border-radius:14px;background:#F7F8F7;border:1px solid var(--line-ink);transition:border-color .3s var(--ease-out),transform .35s var(--ease-out)}
.client img{max-width:70%;max-height:64px;width:auto;height:auto;object-fit:contain}
.client.is-empty{background:var(--paper);border:1.5px dashed rgba(31,36,40,.34)}
.client.is-empty span{font:500 .72rem/1 'IBM Plex Mono',ui-monospace,monospace;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-2)}
@media (max-width:640px){.clients{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}}

.ph-link{display:block;transition:transform .35s var(--ease-out),box-shadow .35s var(--ease-out)}
.ph-link:hover{transform:translateY(-3px);box-shadow:0 22px 40px -24px rgba(20,24,27,.5)}
.ph-diagram{background:var(--canvas-2);display:grid;place-items:center}
.ph-diagram svg{width:88%;height:auto}
.obra-media.is-empty{display:grid;place-items:center;background:var(--paper);border:1.5px dashed rgba(31,36,40,.34);box-shadow:none}
.obra-media.is-empty span{font:500 .72rem/1 'IBM Plex Mono',ui-monospace,monospace;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-2)}
.obras-foot{display:flex;flex-wrap:wrap;gap:8px 36px}
.trio-note{margin-top:14px;color:var(--ink-2);font-size:1.02rem;max-width:30ch}
.seg-block{align-items:start}
.seg-block.rev > :first-child{order:2}
.sec-paper .statement > p{color:var(--ink-2)}
.dg-lbl-after{font:500 11px 'IBM Plex Mono',ui-monospace,monospace;letter-spacing:1.6px;fill:var(--area)}
section[id],.cat[id]{scroll-margin-top:calc(var(--header-h) + 12px)}
@media (max-width:900px){.seg-block.rev > :first-child{order:0}}
.cta-band{position:relative}
.cta-band .h2{max-width:14ch}
.cta-band .cta-row{margin-top:36px}

/* ==========================================================================
   accesibilidad y estados
   ========================================================================== */
@media (pointer:coarse){
  .btn{min-height:48px}
  .seg button{min-height:44px}
  .link-arrow{min-height:44px}
}
body.paused *,body.paused *::before,body.paused *::after{animation-play-state:paused!important}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;transition-delay:0s!important}
  body{animation:none}
  .js .rv > *{opacity:1;transform:none}
  .cota::before{transform:scaleX(1)}
  .cota i{opacity:.7}
  .cota span{opacity:.8}
  .steps-fill{transform:scaleY(1)}
  .obra-media img{transform:none}
  .dg-ln{stroke-dashoffset:0}
  .dg-fill,.dg-lbl{opacity:var(--o,1)}
}