/* Proto&Go! — boceto v2 (14-09-2026). Sistema visual heredado de tema-imas 0.17: papel, tinta, naranja, retícula CAD. */
@font-face{font-family:Archivo;src:url(archivo.woff2) format('woff2');font-weight:100 900;font-stretch:62% 125%;font-display:swap}
@font-face{font-family:"Instrument Sans";src:url(instrument.woff2) format('woff2');font-weight:400 700;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url(mono.woff2) format('woff2');font-weight:400 700;font-display:swap}

:root{
  --ink:#1e2023;--ink-2:#2b2e32;--graphite:#383838;--steel:#646a71;
  --paper:#f6f6f4;--paper-2:#ebebe7;--white:#fff;
  --orange:#f08a02;--orange-deep:#c97200;--orange-soft:#fff1de;
  --line:rgba(30,32,35,.10);--line-strong:rgba(30,32,35,.22);--line-on-ink:rgba(246,246,244,.12);--paper-on-ink:rgba(246,246,244,.62);
  --ease:cubic-bezier(.2,.7,.2,1);
  --display:Archivo,"Archivo Fallback",Arial,sans-serif;--body:"Instrument Sans",Arial,sans-serif;--mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
  --max:1400px;--nav:76px;--r:6px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:clip}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
input,select{font:inherit;color:inherit}
h1,h2,h3{margin:0;font-family:var(--display);font-variation-settings:'wdth' 112;font-weight:600;letter-spacing:-.025em;line-height:1.02;text-wrap:balance}
h1{font-size:clamp(2.4rem,5vw,4.4rem)}
h2{font-size:clamp(1.9rem,3.6vw,3.1rem)}
h3{font-size:clamp(1.25rem,1.8vw,1.6rem);font-variation-settings:'wdth' 108}
p{margin:0}
.wrap{width:min(var(--max),calc(100% - 2*clamp(20px,4vw,64px)));margin-inline:auto}
.mono{font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--steel)}
.eyebrow{display:flex;align-items:center;gap:12px;font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--steel)}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--orange);flex:none}
.lede{font-size:clamp(1.05rem,1.35vw,1.25rem);line-height:1.5;color:var(--ink-2);max-width:56ch}
.muted{color:var(--steel)}
.em{color:var(--orange);font-style:normal}
.sec{padding-block:clamp(72px,9vw,140px);position:relative}
.sec + .sec:not(.ink){padding-top:0}
.sec.ink + .sec{padding-top:clamp(72px,9vw,140px)}
.sec.ink{background:var(--ink);color:var(--paper);padding-block:clamp(80px,9vw,150px)}
.sec.ink .eyebrow,.sec.ink .mono{color:var(--paper-on-ink)}
.sec.ink .lede{color:var(--paper-on-ink)}
.sec.ink::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .5s;background:radial-gradient(520px circle at var(--mx,50%) var(--my,50%),rgba(240,138,2,.14),transparent 70%)}
#materiales.sec.ink::before{display:none} /* en Materiales no hay foco que siga al cursor: solo se ilumina el marco de la ficha */
.sec.ink.foco::before{opacity:1}
.sec.ink > .wrap{position:relative}
.skip{position:absolute;left:12px;top:-60px;background:var(--ink);color:var(--paper);padding:10px 14px;border-radius:var(--r);z-index:100}
.skip:focus{top:12px}

/* retícula técnica */
.grid-bg{position:fixed;inset:0;pointer-events:none;z-index:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:96px 96px;opacity:.32;mask-image:linear-gradient(#000 0,transparent 92vh);-webkit-mask-image:linear-gradient(#000 0,transparent 92vh)}
main{position:relative;z-index:1}

/* botones y chips */
.btn{display:inline-flex;align-items:center;gap:10px;padding:12px 18px;border-radius:999px;background:var(--ink);color:var(--paper);font-weight:500;font-size:.92rem;transition:transform .35s var(--ease),background .3s,box-shadow .35s var(--ease);will-change:transform;white-space:nowrap}
.btn:hover{background:var(--graphite);transform:translateY(-2px);box-shadow:0 12px 24px -14px rgba(0,0,0,.5)}
.btn:active{transform:translateY(0) scale(.97)}
.btn .dot{width:7px;height:7px;border-radius:50%;background:var(--orange);flex:none;transition:transform .35s var(--ease)}
.btn:hover .dot{transform:scale(1.7)}
.btn.ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1px var(--line-strong)}
.btn.ghost:hover{background:var(--paper-2)}
.btn.on-ink{background:var(--paper);color:var(--ink)}
.btn.on-ink:hover{background:#fff}
.btn.orange{background:var(--orange);color:var(--ink)}
.btn.orange:hover{background:#ff9a17}
.btn.orange .dot{background:var(--ink)}
.btn.lg{padding:16px 24px;font-size:1rem}
.btn svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.8}
.chip{display:inline-flex;align-items:center;gap:9px;padding:9px 14px 9px 11px;border-radius:999px;background:#fff;box-shadow:inset 0 0 0 1px var(--line);font-size:.86rem;font-weight:500;transition:transform .35s var(--ease),box-shadow .35s var(--ease)}
.chip .n{font-family:var(--mono);font-size:.64rem;color:#9c5800;letter-spacing:.06em}
.chip:hover{transform:translateY(-2px);box-shadow:inset 0 0 0 1px var(--ink),0 12px 30px -16px rgba(30,32,35,.45)}
.chip svg{width:13px;height:13px;stroke:currentColor;fill:none;stroke-width:1.8;transition:transform .35s var(--ease)}
.chip:hover svg{transform:translateX(3px)}
.link{display:inline-flex;align-items:center;gap:8px;font-weight:500;border-bottom:1px solid var(--line-strong);padding-bottom:2px;transition:border-color .3s}
.link:hover{border-color:var(--orange)}
.link svg{width:13px;height:13px;stroke:currentColor;fill:none;stroke-width:1.8}

/* nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;transition:background .4s var(--ease),box-shadow .4s var(--ease)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:var(--nav);transition:height .4s var(--ease);gap:20px}
.nav.compact{background:rgba(246,246,244,.84);backdrop-filter:blur(14px) saturate(1.3);-webkit-backdrop-filter:blur(14px) saturate(1.3);box-shadow:inset 0 -1px 0 var(--line)}
.nav.compact .wrap{height:60px}
.nav .progress{position:absolute;left:0;top:0;height:2px;background:var(--orange);width:calc(var(--sy,0)*100%);transition:width .1s linear}
.logo{display:flex;align-items:center;gap:14px}
.mark{display:inline-flex;align-items:baseline;font-family:var(--display);font-variation-settings:'wdth' 112;font-weight:700;letter-spacing:-.035em;font-size:1.45rem;line-height:1;white-space:nowrap}
.mark i{font-style:normal;color:var(--orange)}
/* logo oficial: versión negra sobre claro y blanca sobre oscuro (el menú alterna con .on-dark) */
.logo-img{display:block;height:24px;width:auto;transition:height .4s var(--ease)}
.logo-oscuro{display:none}
.nav.on-dark:not(.open) .logo-claro{display:none}
.nav.on-dark:not(.open) .logo-oscuro{display:block}
.nav.compact .logo-img{height:21px}
.foot-logo{display:block;height:30px;width:auto}
.mk-logo{display:block;height:30px;width:auto}
.logo .tag{font-family:var(--mono);font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;color:var(--steel);padding-left:14px;border-left:1px solid var(--line-strong);line-height:1.3}
.menu{display:flex;align-items:center;gap:clamp(14px,1.6vw,26px);font-size:.92rem;font-weight:500}
.menu a{position:relative;padding:6px 0}
.menu a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--orange);transition:right .3s var(--ease)}
.menu a:hover::after,.menu a[aria-current]::after{right:0}
.menu a.btn::after{display:none}
.menu a.btn{padding:10px 16px}
/* selector de idiomas: <details>, sin JavaScript */
.menu .lang{position:relative}
.menu .lang>summary{display:flex;align-items:center;gap:7px;font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;padding:7px 10px;border-radius:999px;box-shadow:inset 0 0 0 1px var(--line-strong);cursor:pointer;list-style:none;white-space:nowrap}
.menu .lang>summary::-webkit-details-marker{display:none}
.menu .lang>summary::after{content:"";width:5px;height:5px;border-right:1.2px solid currentColor;border-bottom:1.2px solid currentColor;transform:translateY(-2px) rotate(45deg);transition:transform .25s var(--ease)}
.menu .lang[open]>summary::after{transform:translateY(1px) rotate(-135deg)}
.menu .lang-menu{position:absolute;top:calc(100% + 10px);right:0;z-index:40;display:flex;flex-direction:column;min-width:150px;padding:6px;border-radius:12px;background:var(--paper);box-shadow:inset 0 0 0 1px var(--line-strong),0 24px 48px -24px rgba(0,0,0,.45)}
.menu .lang-menu a{padding:9px 11px;border-radius:8px;font-size:.88rem;white-space:nowrap;color:var(--ink);transition:background .2s var(--ease)}
.menu .lang-menu a::after{display:none}
.menu .lang-menu a:hover{background:var(--paper-2)}
.menu .lang-menu a[aria-current]{font-weight:600;color:var(--orange-deep);cursor:default}
.burger{display:none;width:40px;height:40px;border-radius:999px;box-shadow:inset 0 0 0 1px var(--line-strong);position:relative}
.burger span{position:absolute;left:12px;right:12px;height:1.5px;background:var(--ink);top:15px;transition:.3s}
.burger span+span{top:23px}
.nav.open .burger span{top:19px;transform:rotate(45deg)}.nav.open .burger span+span{transform:rotate(-45deg)}

/* hero */
.hero{position:relative;padding-top:calc(var(--nav) + clamp(36px,5vw,72px));padding-bottom:clamp(36px,4vw,56px);min-height:min(92vh,900px);display:flex;align-items:center}
.hero .wrap{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,3.6vw,60px);align-items:center}
.hero-copy{display:flex;flex-direction:column;gap:26px}
.hero-copy h1 em{font-style:normal;color:var(--orange)}
.hero-copy .actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.hero-copy .chips{display:flex;flex-wrap:wrap;gap:10px}
.hero-copy .note{display:flex;gap:10px;align-items:center;font-size:.85rem;color:var(--steel)}
.hero-copy .note::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 4px rgba(240,138,2,.18)}
/* entrada escalonada */
.hero-copy>*{animation:rise .9s var(--ease) both}
.hero-copy>:nth-child(2){animation-delay:.08s}.hero-copy>:nth-child(3){animation-delay:.16s}.hero-copy>:nth-child(4){animation-delay:.24s}.hero-copy>:nth-child(5){animation-delay:.32s}.hero-copy>:nth-child(6){animation-delay:.4s}
@keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}

/* cruz CAD (solo hero, solo ratón) */
.xh{position:absolute;left:0;right:0;top:var(--nav);bottom:0;pointer-events:none;overflow:hidden;z-index:2;opacity:0;transition:opacity .25s;--hy:0px;--vx:0px}
.xh.on{opacity:1}
.xh.dentro{--xh-color:rgba(240,138,2,.85)}
.xh-h{position:absolute;left:0;right:0;top:0;height:1px;background:var(--xh-color,rgba(30,32,35,.32));will-change:transform;transform:translate3d(0,var(--hy),0)}
.xh-v{position:absolute;top:0;bottom:0;left:0;width:1px;background:var(--xh-color,rgba(30,32,35,.32));will-change:transform;transform:translate3d(var(--vx),0,0)}
.xh-lbl{position:absolute;left:0;top:0;font-family:var(--mono);font-size:.6rem;letter-spacing:.1em;text-transform:uppercase;color:var(--graphite);background:rgba(246,246,244,.9);padding:4px 7px;border-radius:3px;white-space:nowrap;box-shadow:inset 0 0 0 1px var(--line);will-change:transform;font-variant-numeric:tabular-nums}
.xh-snap{position:absolute;left:0;top:0;width:11px;height:11px;transform:translate(-50%,-50%);box-shadow:inset 0 0 0 1px var(--graphite);opacity:0;transition:opacity .15s}
.xh-snap.on{opacity:1}

/* escenario 3D */
.stage{position:relative;aspect-ratio:16/11;border-radius:var(--r);overflow:hidden;background:radial-gradient(circle at 50% 38%,#fff 0,#f1f1ee 62%,#e6e6e2 100%);box-shadow:0 40px 80px -40px rgba(30,32,35,.5),inset 0 0 0 1px var(--line);isolation:isolate;cursor:grab;animation:rise 1.1s var(--ease) both .15s;--lift:0px;transform:translateY(var(--lift))}
.stage:active{cursor:grabbing}
.stage canvas{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none}
.stage .grid{position:absolute;inset:0;background-image:linear-gradient(rgba(30,32,35,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(30,32,35,.06) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(circle at 50% 50%,#000 30%,transparent 78%);-webkit-mask-image:radial-gradient(circle at 50% 50%,#000 30%,transparent 78%);pointer-events:none}
.stage .kick{position:absolute;left:16px;top:14px;z-index:4;display:flex;align-items:center;gap:10px;font-family:var(--display);font-variation-settings:'wdth' 112;font-weight:600;font-size:clamp(.95rem,1.3vw,1.15rem);letter-spacing:-.02em;padding:8px 12px;border-radius:var(--r);background:rgba(246,246,244,.8);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);box-shadow:inset 0 0 0 1px rgba(255,255,255,.5)}
.stage .kick::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--orange);animation:pulse 2.2s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(240,138,2,.5)}60%{box-shadow:0 0 0 8px rgba(240,138,2,0)}}
.stage .corner{position:absolute;right:16px;top:14px;z-index:4;font-family:var(--mono);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:var(--steel);text-align:right;line-height:1.6}
.stage .ann{position:absolute;z-index:4;display:flex;align-items:flex-start;gap:10px;font-size:.78rem;line-height:1.35;pointer-events:none;opacity:0;transform:translateY(8px);transition:opacity .6s var(--ease) .9s,transform .6s var(--ease) .9s}
.stage.ready .ann{opacity:1;transform:none}
.stage .ann b{display:block;font-weight:600}
.stage .ann span{font-family:var(--mono);font-size:.6rem;letter-spacing:.08em;text-transform:uppercase;color:var(--steel)}
.stage .ann::before{content:"";width:34px;height:1px;background:var(--ink);margin-top:9px;flex:none}
.stage .ann.a{left:6%;top:31%}
.stage .ann.b{right:5%;bottom:24%;flex-direction:row-reverse;text-align:right}
.stage .ann.b::before{background:var(--orange)}
.stage .bar{position:absolute;left:16px;right:16px;bottom:14px;z-index:4;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.swatches{display:flex;align-items:center;gap:8px;padding:6px 10px 6px 6px;border-radius:999px;background:rgba(246,246,244,.82);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);box-shadow:inset 0 0 0 1px rgba(255,255,255,.6)}
.swatch{width:26px;height:26px;border-radius:50%;box-shadow:inset 0 0 0 1px rgba(0,0,0,.15);transition:transform .3s var(--ease),box-shadow .3s;position:relative}
.swatch:hover{transform:scale(1.12)}
.swatch[aria-pressed=true]{box-shadow:inset 0 0 0 1px rgba(0,0,0,.2),0 0 0 2px var(--paper),0 0 0 3.5px var(--ink)}
.swatch.al{background:radial-gradient(circle at 35% 30%,#e4e8ea,#9ea6ab)}
.swatch.br{background:radial-gradient(circle at 35% 30%,#f4d78a,#a37a2a)}
.swatch.pa{background:radial-gradient(circle at 35% 30%,#4a4f54,#1b1d20)}
.swatch.pu{background:radial-gradient(circle at 35% 30%,#ffd9a1,#f08a02)}
.swatches .lbl{font-family:var(--mono);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:var(--graphite);padding-left:4px;min-width:9ch}
.stage .ctl{display:flex;gap:8px}
.stage .ctl button{height:38px;padding:0 14px;border-radius:999px;background:rgba(246,246,244,.82);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);box-shadow:inset 0 0 0 1px rgba(255,255,255,.6),inset 0 0 0 1px var(--line);font-size:.82rem;font-weight:500;display:inline-flex;align-items:center;gap:8px;transition:background .3s,transform .3s var(--ease)}
.stage .ctl button:hover{background:#fff;transform:translateY(-1px)}
.stage .ctl button[aria-pressed=true]{background:var(--ink);color:var(--paper)}
.stage .ctl button svg{width:13px;height:13px;stroke:currentColor;fill:none;stroke-width:1.8}
.stage .drop{position:absolute;inset:10px;z-index:6;border:1.5px dashed var(--orange);border-radius:var(--r);background:rgba(255,241,222,.86);backdrop-filter:blur(6px);display:grid;place-items:center;text-align:center;opacity:0;pointer-events:none;transition:opacity .25s}
.stage.dragging .drop{opacity:1}
.stage .drop b{display:block;font-family:var(--display);font-variation-settings:'wdth' 110;font-weight:600;font-size:1.4rem;letter-spacing:-.02em}
.stage .drop span{font-family:var(--mono);font-size:.64rem;letter-spacing:.1em;text-transform:uppercase;color:var(--steel)}
.stage .fallback{position:absolute;inset:0;display:grid;place-items:center;z-index:1}
.stage .fallback img{width:60%;height:auto;object-fit:contain;filter:drop-shadow(0 30px 40px rgba(30,32,35,.25))}
.stage.ready .fallback{display:none}
.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);z-index:90;background:var(--ink);color:var(--paper);padding:12px 18px;border-radius:999px;font-size:.9rem;display:flex;gap:10px;align-items:center;opacity:0;pointer-events:none;transition:opacity .3s,transform .3s var(--ease);max-width:min(92vw,560px)}
.toast.on{opacity:1;transform:translate(-50%,0)}
.toast::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--orange);flex:none}

/* cinta bajo el hero */
.ticker{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper);overflow:hidden;position:relative}
.ticker .track{display:flex;gap:0;width:max-content;animation:tick 48s linear infinite}
.ticker:hover .track{animation-play-state:paused}
.ticker span{font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--steel);padding:14px 26px;white-space:nowrap;display:inline-flex;align-items:center;gap:26px}
.ticker span::after{content:"";width:5px;height:5px;border-radius:50%;background:var(--orange)}
@keyframes tick{to{transform:translateX(-50%)}}

/* cifras */
.kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.kpis div{padding:clamp(22px,2.6vw,36px) clamp(16px,2vw,32px);border-left:1px solid var(--line)}
.kpis div:first-child{border-left:0;padding-left:0}
.kpis b{display:block;font-family:var(--display);font-variation-settings:'wdth' 112;font-weight:600;font-size:clamp(2.2rem,3.6vw,3.4rem);letter-spacing:-.04em;line-height:1;font-variant-numeric:tabular-nums}
.kpis b small{font-size:.5em;color:var(--orange);letter-spacing:0;margin-left:2px}
.kpis p{margin-top:8px;font-size:.92rem;color:var(--ink-2)}
.kpis .mono{display:block;margin-top:4px}

/* cabecera de sección */
.head-2{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px;align-items:end;margin-bottom:clamp(40px,5vw,72px)}
.head-2 .eyebrow{margin-bottom:18px}
.head-2 .side{display:flex;flex-direction:column;gap:16px;align-items:flex-start}

/* procesos: filas tipo i-mas .area */
.area{--p:1;position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,4vw,72px);align-items:center;padding-block:clamp(36px,4.5vw,64px);border-top:1px solid var(--line)}
.area:last-of-type{border-bottom:1px solid var(--line)}
.area::before{content:"";position:absolute;left:0;top:-1px;height:1px;width:calc(var(--p)*100%);background:var(--orange);transition:width .2s linear}
.area.flip .area-media{order:2}
.area-media{display:block;position:relative;aspect-ratio:16/10;border-radius:var(--r);overflow:hidden;background:var(--paper-2);box-shadow:0 40px 80px -40px rgba(30,32,35,.5),inset 0 0 0 1px var(--line);opacity:clamp(0,calc(var(--p)*1.4 + .1),1);transform:translateY(calc((1 - var(--p))*56px))}
.area-media img{width:100%;height:100%;object-fit:cover;transform:scale(calc(1.03 + (1 - var(--p))*.14));transition:transform .22s linear}
.area.scrolled .area-media img{transition:transform 1.2s var(--ease)}
.area.scrolled:hover .area-media img{transform:scale(1)}
.area-media .badge{position:absolute;left:14px;top:14px;font-family:var(--mono);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;padding:6px 10px;border-radius:4px;background:rgba(30,32,35,.72);color:var(--paper);backdrop-filter:blur(6px);opacity:clamp(0,calc(var(--p)*3 - 2),1)}
.area-media .days{position:absolute;right:14px;bottom:14px;display:flex;align-items:baseline;gap:6px;padding:8px 12px;border-radius:var(--r);background:rgba(246,246,244,.86);backdrop-filter:blur(8px);box-shadow:inset 0 0 0 1px rgba(255,255,255,.6)}
.area-media .days b{font-family:var(--display);font-variation-settings:'wdth' 112;font-weight:600;font-size:1.6rem;letter-spacing:-.03em;line-height:1}
.area-media .days span{font-family:var(--mono);font-size:.6rem;letter-spacing:.08em;text-transform:uppercase;color:var(--steel)}
.area-copy{display:flex;flex-direction:column;gap:18px}
.area-copy>*{--q:clamp(0,calc(var(--p)*2.6 - .1 - var(--i,0)*.22),1);opacity:var(--q);transform:translateY(calc((1 - var(--q))*34px));transition:opacity .22s linear,transform .22s linear}
.area-copy>:nth-child(1){--i:0}.area-copy>:nth-child(2){--i:1}.area-copy>:nth-child(3){--i:2}.area-copy>:nth-child(4){--i:3}.area-copy>:nth-child(5){--i:4}.area-copy>:nth-child(6){--i:5}
.area-copy .top{display:flex;align-items:center;justify-content:space-between;gap:16px}
.area-copy .num{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;color:var(--orange)}
.area-copy .q{font-family:var(--display);font-variation-settings:'wdth' 100;font-weight:400;font-size:clamp(1.1rem,1.5vw,1.35rem);color:var(--steel);letter-spacing:-.01em}
.area-copy .q::before{content:"“"}.area-copy .q::after{content:"”"}
.area-copy .desc{max-width:52ch;color:var(--ink-2)}
.chain{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.chain .step{font-size:.8rem;font-weight:500;line-height:1.3;padding:6px 10px;border-radius:4px;background:#fff;box-shadow:inset 0 0 0 1px var(--line);color:var(--ink)}
.chain .step.more{background:transparent;color:var(--steel);box-shadow:inset 0 0 0 1px var(--line)}
.chain svg{width:12px;height:12px;stroke:var(--steel);fill:none;stroke-width:1.6}
.area-cta{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:4px}

/* pasos */
.steps{--p:1;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,48px);position:relative;padding-top:34px}
.steps::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--line)}
.steps::after{content:"";position:absolute;left:0;top:0;height:1px;background:var(--orange);width:calc(var(--p)*100%);transition:width .2s linear}
.steps .step{display:flex;flex-direction:column;gap:14px} /* la aparición la gobierna .reached; la regla genérica .step alcanzaba también las fichas .chain .step */
.step:nth-child(2){--i:1}.step:nth-child(3){--i:2}
.step .n{font-family:var(--display);font-variation-settings:'wdth' 112;font-weight:600;font-size:clamp(3rem,5vw,4.6rem);letter-spacing:-.05em;line-height:1;color:var(--orange)}
.step .ico{width:64px;height:64px;border-radius:var(--r);background:#fff;box-shadow:inset 0 0 0 1px var(--line);display:grid;place-items:center}
.step .ico svg{width:30px;height:30px;stroke:var(--ink);fill:none;stroke-width:1.5}
.step p{color:var(--ink-2);max-width:38ch}
.step .fmt{display:flex;flex-wrap:wrap;gap:6px}
.step .fmt span{font-family:var(--mono);font-size:.62rem;letter-spacing:.08em;padding:4px 7px;border-radius:3px;background:var(--paper-2)}

/* materiales (sección tinta) */
.filters{display:flex;flex-wrap:nowrap;gap:6px;max-width:100%;overflow-x:auto;scrollbar-width:none;padding:2px} /* los cinco filtros en una sola línea; en pantallas estrechas se desplazan en horizontal */
.filters::-webkit-scrollbar{display:none}
#materiales .head-2{grid-template-columns:minmax(0,6fr) minmax(0,6fr)}
#materiales .head-2 .side{align-items:stretch}
@media (min-width:901px) and (max-width:1150px){#materiales .head-2{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}} /* sitio para los cinco filtros sin desplazamiento */
.filters button{flex:0 0 auto;white-space:nowrap;font-size:.8rem;font-weight:500;padding:8px 12px;border-radius:999px;box-shadow:inset 0 0 0 1px var(--line-on-ink);color:var(--paper-on-ink);transition:.3s}
.filters button:hover{color:var(--paper)}
.filters button[aria-pressed=true]{background:var(--paper);color:var(--ink);box-shadow:none}
.mat-grid{--p:1;display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin-top:clamp(28px,3vw,44px);perspective:1200px}
.mat{--q:clamp(0,calc(var(--p)*1.6 - var(--i,0)*.6),1);opacity:var(--q);transform:translateY(calc((1 - var(--q))*40px)) rotateX(calc((1 - var(--q))*12deg));transition:opacity .25s linear,transform .25s linear,background .3s,box-shadow .3s;position:relative;aspect-ratio:1;border-radius:var(--r);padding:14px;display:flex;flex-direction:column;justify-content:space-between;background:rgba(246,246,244,.04);box-shadow:inset 0 0 0 1px var(--line-on-ink);color:var(--paper);cursor:default;--sx:50%;--sy:50%}
.mat:hover{box-shadow:inset 0 0 0 1px var(--orange);background:rgba(246,246,244,.07)}
.mat[data-material]{display:block;min-width:0;padding:0;perspective:850px;background:transparent;box-shadow:none;cursor:pointer;text-align:left;-webkit-tap-highlight-color:transparent}
.mat[data-material]:hover{background:transparent;box-shadow:none}
.mat[data-material]:focus-visible{outline:2px solid var(--orange);outline-offset:4px}
.mat-turn{position:absolute;inset:0;border-radius:inherit;transform-style:preserve-3d;transition:transform .6s cubic-bezier(.2,.65,.2,1)}
.mat.is-flipped .mat-turn{transform:rotateY(180deg)}
.mat-face{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:space-between;padding:14px;border-radius:inherit;background:#27292c;box-shadow:inset 0 0 0 1px var(--line-on-ink);backface-visibility:hidden;-webkit-backface-visibility:hidden}
.mat:hover .mat-face,.mat:focus-visible .mat-face{box-shadow:inset 0 0 0 1px var(--orange)}
.mat-front{transform:rotateY(0deg)}
.mat-front .name,.mat-front .fam{display:block}
.mat-back{transform:rotateY(180deg);display:grid;grid-template-rows:minmax(0,1fr) auto;gap:0;padding:6px 6px 12px;background:#101112;overflow:hidden;text-align:center}
.mat-back img{width:100%;height:100%;min-height:0;object-fit:contain}
.mat-caption{display:block;padding:0 4px;font-size:clamp(.66rem,1vw,.8rem);line-height:1.25;font-weight:500}
@media(prefers-reduced-motion:reduce){.mat-turn{transition:none}}
.mat .sym{font-family:var(--display);font-variation-settings:'wdth' 112;font-weight:600;font-size:clamp(1.5rem,2.2vw,2.1rem);letter-spacing:-.04em;line-height:1}
.mat .no{position:absolute;right:12px;top:12px;font-family:var(--mono);font-size:.58rem;letter-spacing:.1em;color:var(--paper-on-ink)}
.mat .name{font-size:.86rem;font-weight:500;line-height:1.25}
.mat .fam{font-family:var(--mono);font-size:.58rem;letter-spacing:.1em;text-transform:uppercase;color:var(--paper-on-ink);margin-top:4px}
.mat .procs{display:flex;gap:4px;margin-top:8px}
.mat .procs i{width:8px;height:8px;border-radius:50%;background:var(--paper-on-ink)}
.mat .procs i.cnc{background:#c8ced3}.mat .procs i.p3d{background:var(--orange)}.mat .procs i.mold{background:#7fb4ff}.mat .procs i.sheet{background:#f2d675}
.mat-grid.filtering .mat:not(.match){opacity:.18;transform:scale(.96)}
.mat.more{justify-content:center;align-items:center;text-align:center;gap:8px;background:transparent;border:1px dashed var(--line-on-ink);box-shadow:none}
.mat.more:hover{border-color:var(--orange)}
.legend{display:flex;flex-wrap:wrap;gap:18px;margin-top:22px;font-family:var(--mono);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:var(--paper-on-ink)}
.legend span{display:inline-flex;align-items:center;gap:8px}
.legend i{width:8px;height:8px;border-radius:50%}
.count-ink{font-family:var(--display);font-variation-settings:'wdth' 112;font-weight:600;font-size:clamp(3.5rem,7vw,6.5rem);letter-spacing:-.05em;line-height:.9;font-variant-numeric:tabular-nums}
.count-ink small{font-size:.32em;color:var(--orange);letter-spacing:-.01em;margin-left:6px}

/* calculadora */
.calc-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(28px,4vw,64px);align-items:start}
.calc{--p:1;border-radius:var(--r);background:#fff;box-shadow:inset 0 0 0 1px var(--line),0 40px 80px -50px rgba(30,32,35,.45);overflow:hidden;opacity:clamp(0,calc(var(--p)*1.5),1);transform:translateY(calc((1 - var(--p))*40px));transition:opacity .22s linear,transform .22s linear}
.calc .head{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line);background:var(--paper)}
.calc form{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;padding:18px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-family:var(--mono);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:var(--steel)}
.field .in{display:flex;gap:6px}
.field input,.field select{width:100%;min-width:0;height:44px;padding:0 12px;border:0;border-radius:4px;background:var(--paper);box-shadow:inset 0 0 0 1px var(--line-strong);font-size:1rem;font-variant-numeric:tabular-nums;appearance:none;-webkit-appearance:none}
.field select{background-image:linear-gradient(45deg,transparent 50%,var(--steel) 50%),linear-gradient(135deg,var(--steel) 50%,transparent 50%);background-position:calc(100% - 15px) 20px,calc(100% - 10px) 20px;background-size:5px 5px;background-repeat:no-repeat;padding-right:26px}
.field input:focus,.field select:focus{outline:none;box-shadow:inset 0 0 0 1.5px var(--ink)}
.field .unit{display:flex;align-items:center;font-family:var(--mono);font-size:.7rem;color:var(--steel);padding:0 4px}
.field .in.dia{position:relative}
.field .in.dia .sym{position:absolute;left:13px;top:0;height:44px;display:flex;align-items:center;font-family:var(--display);font-weight:600;font-size:1.1rem;color:var(--orange-deep);pointer-events:none}
.field .in.dia input{padding-left:34px}
.calc .out{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0;border-top:1px solid var(--line)}
.calc .res{padding:18px;display:flex;flex-direction:column;gap:12px}
.calc .fit{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.calc .fit b{font-family:var(--display);font-variation-settings:'wdth' 112;font-weight:600;font-size:clamp(1.8rem,2.6vw,2.4rem);letter-spacing:-.04em;line-height:1}
.calc .fit .type{font-size:.8rem;font-weight:600;padding:5px 9px;border-radius:4px;background:var(--orange-soft);color:#9c5800}
.calc .fit .type.inter{background:#e7eefc;color:#2f4f8f}.calc .fit .type.trans{background:var(--paper-2);color:var(--graphite)}
.calc dl{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;margin:0;font-size:.9rem;font-variant-numeric:tabular-nums}
.calc dt{font-family:var(--mono);font-size:.62rem;letter-spacing:.08em;text-transform:uppercase;color:var(--steel);align-self:center}
.calc dd{margin:0;font-weight:500}
.calc .err{grid-column:1/-1;padding:14px 18px;font-size:.9rem;color:#8a1c1c;background:#fdeeee;border-top:1px solid var(--line)}
.calc .err[hidden]{display:none}
.calc .diagram{padding:18px;border-left:1px solid var(--line);background:var(--paper);display:flex;flex-direction:column;gap:8px}
.calc .diagram svg{width:100%;height:auto;display:block}
.calc .foot{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:14px 18px;border-top:1px solid var(--line);font-size:.84rem;color:var(--steel)}
.calc .actions{display:flex;gap:8px;flex-wrap:wrap}
.calc .actions button{font-size:.84rem;font-weight:500;padding:8px 12px;border-radius:999px;box-shadow:inset 0 0 0 1px var(--line-strong);transition:.3s}
.calc .actions button:hover{background:var(--paper-2)}
.calc .actions button:disabled{opacity:.4;cursor:default}
.res-list{display:flex;flex-direction:column;gap:12px;margin-top:22px}
.res-list a{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;padding:14px 0;border-top:1px solid var(--line);transition:padding .3s}
.res-list a:last-child{border-bottom:1px solid var(--line)}
.res-list a:hover{padding-left:8px}
.res-list a .n{font-family:var(--mono);font-size:.62rem;letter-spacing:.1em;color:var(--orange)}
.res-list a b{display:block;font-weight:600}
.res-list a span{font-size:.86rem;color:var(--steel)}
.res-list a svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.8;transition:transform .3s var(--ease)}
.res-list a:hover svg{transform:translate(3px,-3px)}

/* historial (página calculadora) */
.hist{margin-top:clamp(28px,3vw,44px)}
.hist table{width:100%;border-collapse:collapse;font-size:.9rem;font-variant-numeric:tabular-nums}
.hist th{text-align:left;font-family:var(--mono);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:var(--steel);padding:10px 12px;border-bottom:1px solid var(--line-strong)}
.hist td{padding:12px;border-bottom:1px solid var(--line)}
.hist td button{font-size:.8rem;color:var(--steel);text-decoration:underline}
.table-wrap{overflow-x:auto}
.prose{max-width:68ch;display:flex;flex-direction:column;gap:16px;color:var(--ink-2)}
.prose h2,.prose h3{color:var(--ink);margin-top:12px}
.prose ul{margin:0;padding-left:20px}
.prose li{margin:4px 0}
.prose table{width:100%;border-collapse:collapse;font-size:.9rem}
.prose th,.prose td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.prose th{font-family:var(--mono);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:var(--steel)}
.prose code{font-family:var(--mono);font-size:.82em;background:var(--paper-2);padding:2px 6px;border-radius:3px}

/* nosotros */
.about{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,4vw,72px);align-items:center}
.about .copy{display:flex;flex-direction:column;gap:22px}
.about .pics{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px;perspective:1200px}
.pic{position:relative;border-radius:var(--r);overflow:hidden;background:var(--paper-2);box-shadow:inset 0 0 0 1px var(--line);transform-style:preserve-3d;transition:transform .5s var(--ease),box-shadow .5s var(--ease);--sx:50%;--sy:50%}
.pic img{width:100%;height:100%;object-fit:cover}
.pic:first-child{aspect-ratio:4/5;grid-row:span 2}
.pic:nth-child(2),.pic:nth-child(3){aspect-ratio:4/3}
.pic:hover{box-shadow:0 30px 60px -30px rgba(30,32,35,.55)}
.pic .cap{position:absolute;left:12px;bottom:12px;font-family:var(--mono);font-size:.6rem;letter-spacing:.1em;text-transform:uppercase;padding:6px 10px;border-radius:4px;background:rgba(246,246,244,.86);color:var(--ink);backdrop-filter:blur(6px)}
.about[data-scroll] .pic{--q:clamp(0,calc(var(--p,1)*1.6 - var(--i,0)*.3),1);opacity:var(--q);transform:translateY(calc((1 - var(--q))*60px)) rotateX(calc((1 - var(--q))*10deg));transition:transform .25s linear,opacity .25s linear}
.about.scrolled .pic{transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.about .pic:nth-child(2){--i:1}.about .pic:nth-child(3){--i:2}
.imas{display:inline-flex;align-items:center;gap:12px;padding:12px 16px;border-radius:var(--r);background:#fff;box-shadow:inset 0 0 0 1px var(--line);transition:.3s}
.imas:hover{box-shadow:inset 0 0 0 1px var(--ink)}
.imas .mark{font-size:1.15rem}
.imas small{font-family:var(--mono);font-size:.6rem;letter-spacing:.1em;text-transform:uppercase;color:var(--steel);border-left:1px solid var(--line-strong);padding-left:12px}

/* blog cards */
.cards{--p:1;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;perspective:1400px}
.card{--q:clamp(0,calc(var(--p)*1.5 - var(--i,0)*.35),1);opacity:var(--q);transform:translateY(calc((1 - var(--q))*90px)) rotateX(calc((1 - var(--q))*14deg)) scale(calc(.94 + var(--q)*.06));transition:transform .25s linear,opacity .25s linear,box-shadow .5s var(--ease);position:relative;border-radius:var(--r);overflow:hidden;background:var(--paper-2);display:block;--sx:50%;--sy:50%}
.card:nth-child(2){--i:1}.card:nth-child(3){--i:2}
.cards.scrolled .card{transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.card .ph{aspect-ratio:16/10;overflow:hidden}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease)}
.card:hover .ph img{transform:scale(1.04)}
.card::before{content:"";position:absolute;inset:0;z-index:3;pointer-events:none;border-radius:inherit;padding:1px;background:radial-gradient(260px circle at var(--sx) var(--sy),rgba(240,138,2,.9),rgba(255,255,255,.12) 45%,transparent 70%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .4s}
.card:hover::before{opacity:1}
.card:hover{box-shadow:0 30px 60px -30px rgba(30,32,35,.55)}
.card .body{padding:20px 22px 22px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px 16px;align-items:start;background:#fff}
.card .body h3{font-size:1.25rem;font-variation-settings:'wdth' 106}
.card .body p{grid-column:1;font-size:.9rem;color:var(--ink-2)}
.card .tag{grid-column:2;grid-row:1/3;font-family:var(--mono);font-size:.6rem;letter-spacing:.1em;text-transform:uppercase;padding:6px 9px;border-radius:3px;background:var(--paper-2);white-space:nowrap}
.card .tag.p{background:var(--orange);color:var(--ink)}

/* CTA final */
.cta .wrap{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:clamp(28px,4vw,72px);align-items:center}
.cta h2{font-size:clamp(2.2rem,4.4vw,3.9rem)}
.cta .copy{display:flex;flex-direction:column;gap:24px}
.upload{--p:1;position:relative;border-radius:var(--r);border:1.5px solid var(--line-on-ink);cursor:pointer;padding:clamp(28px,3vw,44px);display:flex;flex-direction:column;align-items:center;text-align:center;gap:14px;background:rgba(246,246,244,.03);transition:border-color .3s,background .3s;opacity:clamp(0,calc(var(--p)*1.5),1);transform:translateY(calc((1 - var(--p))*40px))}
/* el recuadro entero es el enlace a la plataforma (22-09-2026): sin borde discontinuo, que invitaba a soltar el archivo aquí */
.upload:hover,.upload:focus-visible{border-color:var(--orange);background:rgba(240,138,2,.06)}
.upload:focus-visible{outline:2px solid var(--orange);outline-offset:4px}
.upload:hover .btn{transform:translateY(-2px);box-shadow:0 12px 24px -14px rgba(0,0,0,.5)}
.upload:hover .btn .dot{transform:scale(1.7)}
.upload:hover .btn.on-ink{background:#fff}
.upload.light:hover .btn{background:var(--graphite)}
.upload .ico{width:72px;height:72px;border-radius:50%;background:var(--paper);display:grid;place-items:center}
.upload .ico svg{width:30px;height:30px;stroke:var(--ink);fill:none;stroke-width:1.6}
.upload b{font-family:var(--display);font-variation-settings:'wdth' 110;font-weight:600;font-size:1.35rem;letter-spacing:-.02em}
.upload p{color:var(--paper-on-ink);max-width:40ch;font-size:.92rem}
.upload .fmts{display:flex;flex-wrap:wrap;justify-content:center;gap:6px}
.upload .fmts span{font-family:var(--mono);font-size:.6rem;letter-spacing:.1em;padding:4px 8px;border-radius:3px;box-shadow:inset 0 0 0 1px var(--line-on-ink);color:var(--paper-on-ink)}
.cta .alt{display:flex;flex-wrap:wrap;gap:18px;font-size:.92rem;color:var(--paper-on-ink)}
.cta .alt a{color:var(--paper);border-bottom:1px solid var(--line-on-ink)}
.cta .alt a:hover{border-color:var(--orange)}

/* footer */
.foot{border-top:1px solid var(--line);padding-block:clamp(40px,5vw,72px) 28px}
.foot .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
.foot h2{font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--steel);font-variation-settings:normal;font-weight:500;margin-bottom:14px}
.foot ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;font-size:.92rem}
.foot a:hover{color:var(--orange)}
.foot address{font-style:normal;font-size:.92rem;color:var(--ink-2);display:flex;flex-direction:column;gap:6px;margin-top:14px}
.foot .bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-top:clamp(28px,4vw,48px);padding-top:20px;border-top:1px solid var(--line);font-size:.82rem;color:var(--steel)}
.foot .langs{display:flex;gap:6px}
.foot .langs a{font-family:var(--mono);font-size:.64rem;letter-spacing:.1em;padding:5px 9px;border-radius:999px;box-shadow:inset 0 0 0 1px var(--line)}
.foot .langs a[aria-current]{background:var(--ink);color:var(--paper);box-shadow:none}
.stamp{font-family:var(--mono);font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;color:var(--orange-deep)}

/* páginas interiores */
.page-hero{padding-top:calc(var(--nav) + clamp(40px,6vw,88px));padding-bottom:clamp(28px,4vw,56px)}
.page-hero .crumbs{display:flex;gap:10px;font-family:var(--mono);font-size:.64rem;letter-spacing:.1em;text-transform:uppercase;color:var(--steel);margin-bottom:22px}
.page-hero .crumbs a:hover{color:var(--ink)}
.page-hero h1{font-size:clamp(2.2rem,4.4vw,3.8rem);max-width:20ch}
.page-hero .lede{margin-top:20px}
.toc{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}

/* reveal genérico */
.pre{opacity:0;transform:translateY(34px) scale(.985);filter:blur(10px)}
.in{opacity:1;transform:none;filter:none;transition:opacity .9s var(--ease),transform .9s var(--ease),filter .9s var(--ease)}
[data-stagger]>.in:nth-child(2){transition-delay:.08s}[data-stagger]>.in:nth-child(3){transition-delay:.16s}[data-stagger]>.in:nth-child(4){transition-delay:.24s}

/* responsive */
@media (max-width:1300px){.logo .tag{display:none}.menu{gap:12px;font-size:.86rem}.menu a{white-space:nowrap}}
@media (max-width:1180px){
  .menu>a:not(.btn):not(.lang){display:none}
  .burger{display:block}
  .nav.open .menu>a{display:flex}
  .nav.open .menu{position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;background:var(--paper);padding:16px clamp(20px,4vw,64px) 24px;box-shadow:inset 0 1px 0 var(--line),0 30px 60px -30px rgba(0,0,0,.4);gap:6px}
  .nav.open .menu a{padding:12px 0;font-size:1.05rem;border-bottom:1px solid var(--line)}
  .nav.open .menu a.btn{justify-content:center;margin-top:8px;border:0}
  .nav.open .menu .lang{align-self:stretch;border:0}
  .nav.open .menu .lang>summary{display:inline-flex;width:max-content}
  .nav.open .menu .lang-menu{position:static;min-width:0;padding:4px 0 0;background:none;box-shadow:none}
  .nav.open .menu .lang-menu a{padding:10px 0;font-size:1.05rem;border-bottom:1px solid var(--line)}
  .nav.open{background:var(--paper)}
  .logo .tag{display:none}
  .kpis{grid-template-columns:repeat(2,minmax(0,1fr))}
  .kpis div:nth-child(3){border-left:0;padding-left:0}
  .kpis div:nth-child(n+3){border-top:1px solid var(--line)}
}
@media (max-width:900px){
  .hero{min-height:0;padding-top:calc(var(--nav) + 28px)}
  .hero .wrap,.head-2,.area,.calc-grid,.about,.cta .wrap{grid-template-columns:1fr}
  .area.flip .area-media{order:0}
  .steps{grid-template-columns:1fr;gap:32px}
  .cards{grid-template-columns:1fr}
  .calc form{grid-template-columns:1fr}
  .calc .out{grid-template-columns:1fr}
  .calc .diagram{border-left:0;border-top:1px solid var(--line)}
  .foot .cols{grid-template-columns:1fr 1fr}
  .stage .ann{display:none}
  .xh{display:none}
  .about .pics{grid-template-columns:1fr 1fr}
  .pic:first-child{grid-row:auto;aspect-ratio:4/3}
}
@media (max-width:560px){
  .foot .cols{grid-template-columns:1fr}
  .kpis{grid-template-columns:1fr 1fr}
  .stage .bar{justify-content:center}
  .swatches .lbl{display:none}
  .stage .corner{display:none}
  .stage .kick{font-size:.9rem}
  .mat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .mat[data-material]{min-height:148px}
}
/* móvil: en la cabecera cerrada no caben logotipo, idioma, botón y menú, y menos
   con el botón en francés o italiano, que es el doble de largo. El botón de menú
   nunca se encoge; por debajo de 520 px el idioma se va dentro del menú. */
.burger{flex:0 0 40px}
@media (max-width:560px){
  .nav .logo-img{width:96px;height:auto}
  .menu{gap:8px}
  .menu a.btn{font-size:.78rem;padding:10px 13px;gap:7px}
  .menu .lang>summary{padding:7px 8px;gap:5px}
  .menu .lang-menu{min-width:142px}
}
@media (max-width:520px){
  .nav:not(.open) .menu .lang{display:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;animation-iteration-count:1!important;transition-duration:.001s!important;scroll-behavior:auto!important}
  .ticker .track{animation:none}
}
@media print{.nav,.grid-bg,.xh,.toast,.ticker{display:none}.sec{padding-block:24px}.sec.ink{background:#fff;color:#000}}

/* ===== v2.1 (14-09) · filtros que ocultan, sin cuadrícula, calculadoras separadas ===== */
.grid-bg{display:none}
.xh{display:none!important}
.stage .grid{display:none}
.mat-grid.filtering .mat:not(.match):not(.more){display:none}
.mat-grid.filtering .mat.match{opacity:1;transform:none}

/* tarjetas de herramientas en portada */
.tools{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px}
.tool{--p:1;position:relative;display:flex;flex-direction:column;gap:16px;padding:clamp(22px,2.4vw,32px);border-radius:var(--r);background:#fff;box-shadow:inset 0 0 0 1px var(--line);transition:transform .5s var(--ease),box-shadow .5s var(--ease);--sx:50%;--sy:50%;overflow:hidden}
.tool::before{content:"";position:absolute;inset:0;z-index:3;pointer-events:none;border-radius:inherit;padding:1px;background:radial-gradient(260px circle at var(--sx) var(--sy),rgba(240,138,2,.9),rgba(255,255,255,.12) 45%,transparent 70%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .4s}
.tool:hover::before{opacity:1}
.tool:hover{transform:translateY(-4px);box-shadow:0 30px 60px -30px rgba(30,32,35,.55)}
.tool .pict{height:120px;border-radius:4px;background:var(--paper);box-shadow:inset 0 0 0 1px var(--line);display:grid;place-items:center}
.tool .pict svg{width:100%;height:100%;max-height:120px}
.tool h3{font-size:1.45rem}
.tool p{color:var(--ink-2);font-size:.95rem}
.tool .go{display:inline-flex;align-items:center;gap:8px;font-weight:600;margin-top:auto}
.tool .go svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.8;transition:transform .3s var(--ease)}
.tool:hover .go svg{transform:translate(3px,-3px)}
.tools-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(28px,4vw,64px);align-items:stretch}
/* columna de recursos a la altura de las calculadoras: título arriba y lista pegada abajo */
.tools-side{display:flex;flex-direction:column}
.tools-side .res-list{margin-top:auto;padding-top:22px}
.tools[data-scroll] .tool{--q:clamp(0,calc(var(--p,1)*1.5 - var(--i,0)*.35),1);opacity:var(--q);transform:translateY(calc((1 - var(--q))*60px))}
.tools[data-scroll] .tool:nth-child(2){--i:1}
.tools[data-scroll].scrolled .tool{transition:transform .5s var(--ease),box-shadow .5s var(--ease)}

/* control segmentado */
.field .lbl{font-family:var(--mono);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:var(--steel)}
.seg{display:flex;height:44px;border-radius:4px;background:var(--paper);box-shadow:inset 0 0 0 1px var(--line-strong);padding:3px;gap:3px}
.seg label{flex:1;position:relative}
.seg input{position:absolute;inset:0;opacity:0;cursor:pointer}
.seg span{display:flex;align-items:center;justify-content:center;gap:8px;height:100%;border-radius:3px;font-weight:500;font-size:.92rem;color:var(--steel);transition:.25s}
.seg svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.6}
.seg input:checked+span{background:var(--ink);color:var(--paper)}
.seg input:focus-visible+span{outline:2px solid var(--orange);outline-offset:2px}

/* calculadora de tolerancias */
.tol-form{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:14px;padding:18px}
.tol-result{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:0}
.tol-main{padding:22px 18px 18px;display:flex;flex-direction:column;gap:16px}
.tol-viz{padding:18px;border-left:1px solid var(--line);background:var(--paper);display:grid;grid-template-columns:1fr 1fr;gap:14px;align-content:center}
.tol-viz svg{width:100%;height:auto;display:block;background:#fff;border-radius:4px;box-shadow:inset 0 0 0 1px var(--line)}
.dim{display:flex;align-items:center;gap:12px}
.dim .code{font-family:var(--display);font-variation-settings:'wdth' 112;font-weight:600;font-size:clamp(1.8rem,2.8vw,2.6rem);white-space:nowrap;letter-spacing:-.04em;line-height:1}
.dim .stack{display:flex;flex-direction:column;font-family:var(--mono);font-size:.78rem;line-height:1.35;color:var(--graphite);font-variant-numeric:tabular-nums}
.big-limits{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.lim{padding:16px;border-radius:4px;background:var(--paper);box-shadow:inset 0 0 0 1px var(--line);display:flex;flex-direction:column;gap:6px}
.lim.max{box-shadow:inset 0 0 0 1px rgba(240,138,2,.6);background:var(--orange-soft)}
.lim .lbl{font-family:var(--mono);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:var(--steel)}
.lim .val{font-family:var(--display);font-variation-settings:'wdth' 112;font-weight:600;font-size:clamp(1.4rem,2.1vw,2.1rem);flex-wrap:wrap;letter-spacing:-.04em;line-height:1;font-variant-numeric:tabular-nums;display:flex;align-items:baseline;gap:6px}
.lim .val small{font-size:.45em;color:var(--steel);letter-spacing:0}
.lim .sub{font-size:.84rem;color:var(--ink-2);font-variant-numeric:tabular-nums}
.it-line{font-size:.92rem;color:var(--ink-2)}
.tolcalc .actions,.fitcalc .actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.tolcalc .actions button,.fitcalc .actions button{font-size:.84rem;font-weight:500;padding:10px 14px;border-radius:999px;box-shadow:inset 0 0 0 1px var(--line-strong);transition:.3s}
.tolcalc .actions button:hover,.fitcalc .actions button:hover{background:var(--paper-2)}
.grades-block{margin-top:clamp(28px,3vw,44px)}
.grades-table table{width:100%;border-collapse:collapse;font-size:.92rem;font-variant-numeric:tabular-nums;background:#fff;border-radius:var(--r);overflow:hidden;box-shadow:inset 0 0 0 1px var(--line)}
.grades-table th{text-align:left;font-family:var(--mono);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:var(--steel);padding:12px 14px;border-bottom:1px solid var(--line-strong);background:var(--paper)}
.grades-table td{padding:12px 14px;border-bottom:1px solid var(--line)}
.grades-table tr{cursor:pointer;transition:background .2s}
.grades-table tbody tr:hover{background:var(--paper)}
.grades-table tr.on{background:var(--orange-soft)}
.grades-table tr.on td:first-child{box-shadow:inset 3px 0 0 var(--orange)}
.examples{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:22px}
.examples .chip small{color:var(--steel);font-weight:400}
.two-col{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(28px,4vw,64px)}
.upload.light{border-color:var(--line-strong);background:#fff;opacity:1;transform:none;color:var(--ink)}
.upload.light p{color:var(--steel)}
.upload.light:hover,.upload.light:focus-visible{border-color:var(--orange)}

/* calculadora de ajustes */
.fit-form{display:grid;grid-template-columns:.8fr 1.1fr 1.1fr;gap:14px;padding:18px}
.field.hole label i,.field.shaft label i,.tagline i{display:inline-block;width:9px;height:9px;border-radius:2px;margin-right:8px;vertical-align:-1px}
.field.hole label i,.col.hole .tagline i{background:var(--orange)}
.field.shaft label i,.col.shaft .tagline i{background:var(--ink)}
.fit-hero{padding:22px 18px 4px;display:flex;flex-direction:column;gap:14px}
.fit-title{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.fit-title b{font-family:var(--display);font-variation-settings:'wdth' 112;font-weight:600;font-size:clamp(2rem,3.6vw,3.2rem);letter-spacing:-.04em;line-height:1}
.fit-title .type{font-size:.9rem;font-weight:600;padding:7px 12px;border-radius:4px;background:var(--orange-soft);color:#9c5800}
.fit-title .type.inter{background:#e7eefc;color:#2f4f8f}.fit-title .type.trans{background:var(--paper-2);color:var(--graphite)}
.fit-text{font-size:1.05rem;color:var(--ink-2);max-width:70ch}
.fit-nums{display:grid;grid-template-columns:1fr 1fr;gap:12px;max-width:520px}
.fit-nums div{padding:14px 16px;border-radius:4px;background:var(--paper);box-shadow:inset 0 0 0 1px var(--line);display:flex;flex-direction:column;gap:4px}
.fit-nums .lbl{font-family:var(--mono);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:var(--steel)}
.fit-nums .val{font-family:var(--display);font-variation-settings:'wdth' 112;font-weight:600;font-size:clamp(1.5rem,2.4vw,2.1rem);letter-spacing:-.04em;line-height:1;font-variant-numeric:tabular-nums}
.fit-cols{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:16px 18px}
.fit-cols .col{padding:16px;border-radius:4px;background:var(--paper);box-shadow:inset 0 0 0 1px var(--line);display:flex;flex-direction:column;gap:10px}
.fit-cols .col.hole{background:var(--orange-soft);box-shadow:inset 0 0 0 1px rgba(240,138,2,.5)}
.fit-cols .tagline{font-size:.95rem}
.fit-cols .pair{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.fit-cols .pair .lbl{display:block;font-family:var(--mono);font-size:.6rem;letter-spacing:.1em;text-transform:uppercase;color:var(--steel)}
.fit-cols .pair .v{font-family:var(--display);font-variation-settings:'wdth' 112;font-weight:600;font-size:1.35rem;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.fit-viz{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:12px;padding:4px 18px 16px}
.fit-viz>div{display:flex;flex-direction:column;gap:6px}
.fit-viz .full{grid-column:1/-1}
.fit-viz svg{width:100%;height:auto;display:block;background:#fff;border-radius:4px;box-shadow:inset 0 0 0 1px var(--line)}
.fit-use{flex-basis:100%;display:grid;grid-template-columns:140px minmax(0,1fr);gap:20px;align-items:center;margin:4px 0 0;padding:18px 22px;background:#fff;border:1px solid rgba(240,138,2,.3);border-left:4px solid var(--orange);border-radius:5px;color:var(--ink-2)}
.fit-use[hidden]{display:none}
.fit-use p{margin:0}
.fit-use-heading{display:flex;flex-direction:column;gap:5px}
.fit-use-heading strong{font-family:var(--mono);font-size:.66rem;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:#9c5800}
.fit-use [data-fit-use-code]{font-family:var(--mono);font-size:1.1rem;font-weight:600;color:var(--ink)}
.fit-use [data-fit-use]{font-size:1rem;line-height:1.5}
@media(max-width:600px){.fit-use{grid-template-columns:1fr;gap:10px;padding:15px 16px}.fit-use-heading{flex-direction:row;align-items:center;justify-content:space-between;gap:12px}.fit-use [data-fit-use]{font-size:.92rem}}
.calc .out.stale{opacity:.45}
@media (max-width:900px){
  .tools,.tools-grid,.two-col,.tol-result,.fit-viz,.fit-cols,.big-limits{grid-template-columns:1fr}
  .tol-form,.fit-form{grid-template-columns:1fr}
  .tol-viz{border-left:0;border-top:1px solid var(--line)}
}

/* v2.2 · calculadoras más limpias */
.calc .foot.end{justify-content:flex-end}
.fit-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;padding:16px 18px}
.fit-grid .fcard{padding:16px;border-radius:4px;background:var(--paper);box-shadow:inset 0 0 0 1px var(--line);display:flex;flex-direction:column;gap:8px;min-width:0}
.fit-grid .fcard.hole{background:var(--orange-soft);box-shadow:inset 0 0 0 1px rgba(240,138,2,.5)}
.fit-grid .lbl{font-family:var(--mono);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:var(--steel);display:flex;align-items:center;gap:6px}
.fit-grid .lbl b{color:var(--ink)}
.fit-grid .lbl i{width:8px;height:8px;border-radius:2px;background:var(--orange);flex:none}
.fit-grid .shaft .lbl i{background:var(--ink)}
.fit-grid .val{font-family:var(--display);font-variation-settings:'wdth' 112;font-weight:600;font-size:clamp(1.35rem,1.9vw,1.9rem);letter-spacing:-.04em;line-height:1;font-variant-numeric:tabular-nums;display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.fit-grid .val small{font-family:var(--mono);font-size:.6rem;letter-spacing:.1em;text-transform:uppercase;color:var(--steel);font-weight:400}
.fit-grid .k .val{margin-top:auto}
.tol-viz>div{display:flex}
@media (max-width:1100px){.fit-grid{grid-template-columns:1fr 1fr}}
@media (max-width:900px){.tol-result{grid-template-columns:1fr}.tol-viz{border-left:0;border-top:1px solid var(--line)}.fit-viz{grid-template-columns:1fr}}
@media (max-width:560px){.tol-viz{grid-template-columns:1fr}.fit-grid{grid-template-columns:1fr}}
.tolcalc .out,.fitcalc .out{display:block}

/* v2.3 · ajustes habituales por tipo y croquis en sección */
.presets{display:flex;flex-wrap:wrap;gap:10px 14px;align-items:stretch;padding:14px 18px 12px;border-bottom:1px solid var(--line);background:var(--paper)}
.pgroup{display:flex;flex-direction:column;gap:8px;padding:10px 12px 12px;border-radius:6px;background:var(--paper-2);flex:1 1 auto}
.pgroup.juego{background:var(--orange-soft)}
.pgroup.trans{background:var(--paper-2)}
.pgroup.apriete{background:#e7eefc}
.pgroup .glbl{font-family:var(--mono);font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;color:var(--graphite)}
.pgroup.juego .glbl{color:#9c5800}.pgroup.apriete .glbl{color:#2f4f8f}
.pbtns{display:flex;flex-wrap:wrap;gap:6px}
.presets button{font-family:var(--mono);font-size:.74rem;letter-spacing:.04em;padding:7px 11px;border-radius:999px;background:#fff;box-shadow:inset 0 0 0 1px var(--line-strong);transition:.25s;font-variant-numeric:tabular-nums}
.presets button:hover{transform:translateY(-1px);box-shadow:inset 0 0 0 1px var(--ink)}
.presets button[aria-pressed=true]{background:var(--ink);color:var(--paper);box-shadow:none}
.pscale{flex-basis:100%;display:flex;align-items:center;gap:12px;font-family:var(--mono);font-size:.6rem;letter-spacing:.12em;text-transform:uppercase;color:var(--steel);margin-top:2px}
.pscale i{flex:1;height:3px;border-radius:2px;background:linear-gradient(90deg,#f08a02 0%,#f08a02 34%,#9aa0a6 50%,#2f4f8f 66%,#2f4f8f 100%)}
.pscale span:first-child{color:#9c5800}.pscale span:last-child{color:#2f4f8f}
@media (max-width:900px){.fit-viz{grid-template-columns:1fr}}

/* v2.4 · SEO faq */
.faq{margin-top:28px;display:grid;gap:0;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;padding:16px 0;font-weight:600;font-size:1rem;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--orange);font-size:1.1rem;flex:none}
.faq details[open] summary::after{content:"−"}
.faq p{margin:0 0 16px;color:var(--ink-2);font-size:.95rem;line-height:1.55;max-width:70ch}
.about .copy>.btn{align-self:flex-start}
/* página de preguntas frecuentes: título fijo a la izquierda, acordeón a la derecha */
.faq-split{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,4vw,72px);align-items:start}
.faq-head{position:sticky;top:calc(60px + 32px)}
.faq-head h2{margin-top:18px;font-size:clamp(1.7rem,2.8vw,2.5rem)}
.faq-head .mono{margin-top:16px}
.faq-split .faq{margin-top:0}
.faq-split .faq summary{padding:20px 0;font-size:1.05rem}
.faq-sec{padding-block:clamp(48px,6vw,96px)}
.faq-sec + .faq-sec{border-top:1px solid var(--line)}
.faq-a{font-weight:400;padding:0 0 18px;max-width:70ch;color:var(--ink-2);font-size:.95rem;line-height:1.6}
.faq-a p{margin:0 0 10px}
.faq-a ul{margin:0 0 10px;padding-left:18px}
.faq-a li{margin:4px 0}
.faq-a li::marker{color:var(--orange)}
/* portada · 07 opiniones */
.reviews{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:clamp(28px,4vw,72px);align-items:start}
.reviews-head h2{margin-top:18px}
.score{display:flex;align-items:center;gap:18px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line)}
.score b{font-family:var(--display);font-size:clamp(3rem,5vw,4.4rem);line-height:.9;letter-spacing:-.04em;font-weight:600}
.score b small{font-size:.38em;color:var(--steel);letter-spacing:0;margin-left:4px}
.score>div{display:flex;flex-direction:column;gap:8px}
.stars{display:inline-flex;gap:3px}
.stars svg{width:18px;height:18px;fill:var(--orange)}
.reviews-carousel{min-width:0}
.quotes{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 28px)/3);gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding-bottom:4px;outline-offset:6px}
.quotes::-webkit-scrollbar{display:none}
.quote{scroll-snap-align:start;margin:0;display:flex;flex-direction:column;gap:18px;padding:clamp(22px,2.4vw,32px);border-radius:var(--r);background:#fff;box-shadow:inset 0 0 0 1px var(--line)}
.quote-top{display:flex;align-items:center;justify-content:space-between}
.quote .stars svg{width:14px;height:14px}
.quote .g-logo{width:20px;height:20px}
.quote blockquote{margin:0;flex:1}
.quote blockquote p{font-size:1.02rem;line-height:1.55;color:var(--ink)}
.quote figcaption{display:flex;flex-direction:column;gap:4px;padding-top:16px;border-top:1px solid var(--line)}
.quote figcaption b{font-weight:600;font-size:.95rem}
.quote figcaption span{font-family:var(--mono);font-size:.6rem;letter-spacing:.1em;text-transform:uppercase;color:var(--steel)}
.carousel-nav{display:flex;align-items:center;gap:8px;margin-top:18px}
.carousel-nav button{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:#fff;box-shadow:inset 0 0 0 1px var(--line-strong);cursor:pointer;transition:box-shadow .3s,opacity .3s}
.carousel-nav button:hover:not(:disabled){box-shadow:inset 0 0 0 1px var(--ink)}
.carousel-nav button:disabled{opacity:.35;cursor:default}
.carousel-nav button svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8}
.carousel-nav .link{margin-left:auto;font-size:.9rem}
.g-badge{display:inline-flex;align-items:center;gap:8px}
.g-badge .g-logo{width:18px;height:18px;flex:none}
/* portada · 08 clientes: tres filas de logos en movimiento continuo */
.logo-wall{display:flex;flex-direction:column;gap:clamp(18px,2.4vw,34px);overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.logo-row{overflow:hidden}
.logo-track{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:clamp(40px,5vw,76px);width:max-content;animation:logos var(--dur,80s) linear infinite}
.logo-row.rev .logo-track{animation-direction:reverse}
.logo-wall:hover .logo-track{animation-play-state:paused}
.logo-track li{flex:none;display:flex;align-items:center;height:72px}
.logo-track img{display:block;max-height:60px;width:auto;height:auto;opacity:.66;transition:opacity .3s}
.logo-track li:hover img{opacity:1}
@keyframes logos{to{transform:translateX(calc(-50% - clamp(40px,5vw,76px)/2))}}
@media (prefers-reduced-motion:reduce){
  .logo-track{animation:none;flex-wrap:wrap;justify-content:center;width:auto;padding-inline:clamp(20px,4vw,64px)}
  .logo-track li[aria-hidden]{display:none}
  .logo-wall{-webkit-mask-image:none;mask-image:none}
}
@media (max-width:1100px){.quotes{grid-auto-columns:calc((100% - 14px)/2)}}
@media (max-width:900px){.faq-split,.reviews{grid-template-columns:1fr}.faq-head{position:static}}
@media (max-width:600px){.quotes{grid-auto-columns:88%}.carousel-nav .link{flex-basis:100%;margin-left:0;margin-top:6px}.carousel-nav{flex-wrap:wrap}.logo-track li{height:56px}.logo-track img{max-height:46px}}

/* ================================================================
   v2.5 · Cabecera 05 "Sin límites": una carcasa, tres materiales.
   Componente aislado (.pg-home-hero); adaptado de cabeceras-studio/src/studio.css.
   ================================================================ */
.pg-home-hero{--hb:#101214;--hfg:#f3f3ef;--hmuted:#b2b4b4;--hline:#ffffff28;--hacc:#ff8a16;--hgut:max(clamp(20px,4vw,64px),calc((100% - var(--max))/2));background:var(--hb);color:var(--hfg);color-scheme:dark;position:relative}
.pg-home-hero .story{height:370svh;position:relative}
.pg-home-hero .story-stage{position:sticky;top:0;height:100svh;min-height:760px;overflow:hidden;isolation:isolate}
.pg-home-hero .hero-surface{position:absolute;inset:0;z-index:-2;background:#101214;will-change:transform}
.pg-home-hero .hero-surface img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:67% 50%;will-change:opacity}
.pg-home-hero .hero-surface img[data-material-frame="0"]{z-index:0}
.pg-home-hero .hero-surface img[data-material-frame="1"]{z-index:1;opacity:0}
.pg-home-hero .hero-surface img[data-material-frame="2"]{z-index:2;opacity:0}
.pg-home-hero .hero-surface img[data-material-frame="3"]{z-index:3;opacity:0}
.pg-home-hero .hero-shade{position:absolute;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(90deg,#101214df,transparent 80%),linear-gradient(0deg,#10121480,transparent 40%)}
.pg-home-hero .beyond-copy{position:absolute;left:var(--hgut);top:31%;z-index:1;max-width:900px;pointer-events:none} /* misma posición y tamaño que los capítulos: título, subtítulo y CTA no saltan al cambiar de imagen */
.pg-home-hero .eyebrow{font-size:10px;line-height:1.7;letter-spacing:.13em;color:var(--hmuted);margin:0 0 30px}
.pg-home-hero .eyebrow::before{background:var(--hacc)}
.pg-home-hero h1{font-family:var(--display);font-variation-settings:'wdth' 100;font-weight:500;font-size:clamp(70px,8.3vw,134px);letter-spacing:-.065em;line-height:.95;margin:0;text-wrap:initial}
.pg-home-hero h1 em{font-style:normal;color:var(--hacc)}
.pg-home-hero .line{display:block;overflow:hidden;padding-bottom:.08em;margin-bottom:-.08em}
.pg-home-hero .line>span{display:block;animation:hero-rise 1.15s cubic-bezier(.19,1,.22,1) both;animation-delay:calc(var(--i,0)*.12s)}
@keyframes hero-rise{from{transform:translateY(115%) rotate(2deg)}to{transform:none}}
.pg-home-hero .story-chapter{position:absolute;left:var(--hgut);top:31%;z-index:2;opacity:0;visibility:hidden;transform:translateY(45px)}
.pg-home-hero .story-chapter h2{font-family:var(--display);font-variation-settings:'wdth' 100;font-weight:500;font-size:clamp(70px,8.3vw,134px);line-height:.95;letter-spacing:-.065em;margin:0;text-wrap:initial}
.pg-home-hero .story-chapter h2 em{font-style:normal;color:var(--hacc)}
.pg-home-hero .story-chapter p,.pg-home-hero .beyond-copy p:not(.eyebrow){font-size:17px;line-height:1.55;color:#c3c7c8;max-width:32ch;margin:28px 0 0}
.pg-home-hero .story-chapter .btn,.pg-home-hero .beyond-copy .btn{margin-top:3px}
.pg-home-hero .beyond-copy .btn{pointer-events:auto}
.pg-home-hero .scroll-cue svg{fill:none;stroke:currentColor;stroke-width:1.5;flex:none}
/* etiqueta de material y tecnología: fondo sólido y opaco, arriba a la derecha, bajo el menú */
.pg-home-hero .story-material{position:absolute;right:var(--hgut);top:calc(var(--nav) + 30px);text-align:right;color:#f3f3ef;font:10px/1.7 var(--mono);letter-spacing:.04em;z-index:3;pointer-events:none;padding:14px 18px;background:#15191d;border:1px solid #ffffff26;border-radius:6px;box-shadow:0 10px 30px #00000038;max-width:calc(100% - 40px)}
.pg-home-hero .story-material b{display:block;font:600 21px/1.4 var(--body);letter-spacing:0;color:#fff}
.pg-home-hero .story-material span{display:block;margin-top:6px;color:#e1e6ea;font-size:11px;line-height:1.5}
.pg-home-hero .hero-bottom{position:absolute;left:var(--hgut);right:var(--hgut);bottom:38px;display:flex;align-items:end;justify-content:space-between;gap:30px;z-index:3}
.pg-home-hero .story-rail{display:flex;gap:8px;align-items:center}
.pg-home-hero .story-rail button{border:0;background:none;color:#8d959b;display:flex;align-items:center;gap:12px;font:10px var(--mono);padding:15px 8px;white-space:nowrap;cursor:pointer;border-radius:4px}
.pg-home-hero .story-rail button::after{content:"";display:block;width:38px;height:1px;background:#ffffff40}
.pg-home-hero .story-rail button[aria-current=step]{color:#fff}
.pg-home-hero .story-rail button[aria-current=step]::after{background:var(--hacc)}
.pg-home-hero .story-rail button:focus-visible,.pg-home-hero .btn:focus-visible{outline:3px solid var(--hacc);outline-offset:5px}
.pg-home-hero .scroll-cue{display:flex;align-items:center;gap:10px;font:9px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--hfg)}
.pg-home-hero .scroll-cue svg{width:14px;height:14px;animation:hero-down 2s ease-in-out infinite}
@keyframes hero-down{50%{transform:translateY(4px)}}
.pg-home-hero .story-progress{position:absolute;left:0;bottom:0;height:2px;background:var(--hacc);width:100%;transform:scaleX(var(--progress,0));transform-origin:left;z-index:3}
/* menú sobre la cabecera oscura (la clase la mantiene hero-story.js mientras la cabecera está bajo el menú) */
.nav.on-dark:not(.open){color:var(--paper)}
.nav.on-dark:not(.open) .logo .tag{color:var(--paper-on-ink);border-color:var(--line-on-ink)}
.nav.on-dark:not(.open) .menu .lang>summary{box-shadow:inset 0 0 0 1px var(--line-on-ink)}
.nav.on-dark:not(.open) .menu a.btn{background:var(--paper);color:var(--ink)}
.nav.on-dark:not(.open) .menu a.btn:hover{background:#fff}
.nav.on-dark:not(.open) .burger{box-shadow:inset 0 0 0 1px var(--line-on-ink)}
.nav.on-dark:not(.open) .burger span{background:var(--paper)}
.nav.on-dark.compact:not(.open){background:rgba(16,18,20,.74);box-shadow:inset 0 -1px 0 rgba(246,246,244,.08)}
@media (max-width:1150px){.pg-home-hero h1,.pg-home-hero .story-chapter h2{font-size:91px}}
@media (max-width:850px){
  .pg-home-hero .story-stage{min-height:850px}
  .pg-home-hero h1{font-size:91px}
  .pg-home-hero .beyond-copy{top:30%;max-width:80%}
  .pg-home-hero .story-chapter{top:30%}
  .pg-home-hero .story-chapter h2{font-size:91px}
}
@media (max-width:600px){
  .pg-home-hero .story{height:355svh}
  .pg-home-hero .story-stage{height:100svh;min-height:760px}
  .pg-home-hero .hero-surface{left:-56%;right:0;top:350px;bottom:95px}
  .pg-home-hero .hero-surface img{object-fit:contain;object-position:center}
  .pg-home-hero .hero-shade{background:linear-gradient(180deg,#101214e6 0%,#10121466 36%,transparent 58%,#10121477 100%)}
  .pg-home-hero .beyond-copy{top:max(190px,22%);right:var(--hgut);max-width:none}
  .pg-home-hero .eyebrow{font-size:8px;letter-spacing:.11em;margin-bottom:23px}
  .pg-home-hero h1{font-size:min(65px,13.6vw)}
  .pg-home-hero .story-chapter{right:var(--hgut);top:max(190px,22%)}
  .pg-home-hero .story-chapter h2{font-size:min(65px,13.6vw)} /* «Varios procesos.» cabe en una línea: todos los títulos en dos */
  .pg-home-hero .story-chapter p,.pg-home-hero .beyond-copy p:not(.eyebrow){font-size:15px;max-width:28ch;margin:22px 0;text-shadow:0 1px 14px rgba(0,0,0,.7)} /* en móvil el texto cae sobre la pieza */
  .pg-home-hero .story-material{right:20px;top:calc(var(--nav) + 18px);padding:10px 12px}
  .pg-home-hero .story-material b{font-size:17px}
  .pg-home-hero .story-material span{font-size:10px;letter-spacing:.02em}
  .pg-home-hero .hero-bottom{bottom:24px;gap:12px}
  .pg-home-hero .story-rail{gap:0}
  .pg-home-hero .story-rail button{font-size:8px;flex-direction:column;align-items:stretch;gap:6px;padding:12px 5px 10px} /* nombres de proceso largos: la raya va debajo */
  .pg-home-hero .story-rail button::after{width:auto}
  .pg-home-hero .scroll-cue{font-size:0;gap:0}
}
@media (prefers-reduced-motion:reduce){
  .pg-home-hero .story{height:auto}
  .pg-home-hero .story-stage{position:relative;min-height:860px}
  .pg-home-hero .story-stage>.story-chapter{display:none}
  .pg-home-hero .hero-surface{transform:none!important}
  .pg-home-hero .line>span{animation:none}
  .pg-home-hero .beyond-copy{opacity:1!important;transform:none!important}
  .pg-home-hero .scroll-cue{display:none}
  .pg-home-hero .story-rail{display:flex}
}

/* ================================================================
   v2.5 · "Sube. Configura. Recibe": una pieza recorre los tres pasos.
   ================================================================ */
.how-pin{height:calc(100svh + 110vh);position:relative}
.how-flow{--gap:clamp(20px,3vw,48px);--mshift:0;position:sticky;top:calc(var(--nav) + 16px)}
.journey{position:relative;height:230px;margin-top:clamp(8px,1vw,16px)}
.journey .rail{position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--line)}
.journey .prog{position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--orange);transform:translateY(.5px)}
.journey .station{position:absolute;bottom:-5px;width:11px;height:11px;border-radius:50%;background:var(--paper);box-shadow:inset 0 0 0 1.5px var(--line-strong);transform:translateX(-50%);transition:background .3s,box-shadow .3s}
.journey .station.s0{left:0}.journey .station.s1{left:calc((100% + var(--gap))/3)}.journey .station.s2{left:calc((100% + var(--gap))*2/3)}
.journey .station.on{background:var(--orange);box-shadow:inset 0 0 0 1.5px var(--orange),0 0 0 5px rgba(240,138,2,.16)}
.journey .mover{position:absolute;left:0;bottom:0;width:240px;height:200px;will-change:transform}
/* relato en cuatro imágenes: WebP con alfa (mate blanco eliminado), sin mezclas de capa */

.journey .relato-images{position:absolute;inset:0;pointer-events:none}
.journey .relato-images img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center;opacity:0;will-change:opacity}
.journey .relato-images img[data-relato="file"]{opacity:1}
.journey .rl{position:absolute;font-family:var(--mono);font-size:.62rem;letter-spacing:.08em;color:var(--steel);opacity:0;pointer-events:none;white-space:nowrap}
.journey .rl-file{left:50%;bottom:-28px;transform:translateX(-50%);opacity:1}
.journey .rl-tag{right:-24px;top:-14px;display:flex;flex-direction:column;gap:2px;padding:8px 10px;border-radius:4px;background:var(--paper);box-shadow:inset 0 0 0 1px var(--line-strong);font-family:var(--body);font-size:.72rem;letter-spacing:0;color:var(--ink);text-align:left}
.journey .rl-tag b{font-family:var(--mono);font-size:.6rem;letter-spacing:.08em;text-transform:uppercase;color:var(--orange-deep)}
.journey .rl-tag::after{content:"";position:absolute;left:14px;bottom:-16px;width:1px;height:16px;background:var(--orange)}
.journey .rl-ship{right:0;bottom:-28px;color:var(--orange-deep);text-transform:uppercase}
.steps{padding-top:44px}
.steps::before,.steps::after{display:none}
.steps .step{opacity:.28;transform:translateY(14px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.steps .step.reached{opacity:1;transform:none}
@media (max-width:900px){
  .how-pin{height:auto}
  .how-flow{position:static}
  .journey{height:170px}
  .journey .mover{width:170px;height:142px}
  .journey .rl-tag{right:-12px;top:-52px;font-size:.66rem;padding:6px 8px}
  .how-flow{--mshift:1}
  .journey .station.s1{left:50%}.journey .station.s2{left:100%}
}
@media (prefers-reduced-motion:reduce){.steps .step{opacity:1;transform:none}}

/* v2.6 · tres caminos bajo la cabecera */
.paths{background:var(--paper);border-bottom:1px solid var(--line)}
.paths .wrap{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(14px,1.6vw,28px);padding-block:clamp(18px,2.2vw,28px)}
.path{display:flex;gap:16px;align-items:center;padding:6px 0;color:inherit}
.path img{width:96px;height:auto;aspect-ratio:4/3;object-fit:cover;object-position:70% 50%;border-radius:var(--r);background:#101214;flex:none;transition:transform .5s var(--ease)}
.path:hover img{transform:scale(1.04)}
.path .mono{display:block;font-size:.62rem;color:var(--orange-deep);margin-bottom:4px}
.path b{display:block;font-family:var(--display);font-variation-settings:'wdth' 112;font-weight:600;font-size:1.02rem;letter-spacing:-.02em;line-height:1.15}
.path small{display:block;font-size:.85rem;color:var(--steel);margin-top:4px;line-height:1.35}
@media (max-width:1100px){.paths .wrap{grid-template-columns:1fr 1fr;gap:4px clamp(16px,2vw,32px)}.path{padding:10px 0}}
@media (max-width:600px){.paths .wrap{grid-template-columns:1fr;gap:0}.path{border-top:1px solid var(--line);padding:12px 0}.path:first-child{border-top:0}.path img{width:88px}}

/* Evita que las traducciones largas amplíen la tarjeta del cotizador en móvil. */
@media(max-width:900px){.cta .wrap{grid-template-columns:minmax(0,1fr)}.cta .copy,.cta .upload{min-width:0}.cta .upload>*{max-width:100%}.cta .upload .btn{white-space:normal;overflow-wrap:anywhere}}

/* Revisión móvil (29-09-2026): nada ensancha la página a 360-375 px. Van aquí y no en
   legal.css, blog.css o interiores.css porque pg.css es la única hoja con la versión que
   renueva functions.php. */
.abody a{overflow-wrap:anywhere} /* enlaces largos en las políticas (AEPD) */
.abody table{display:block;max-width:100%;overflow-x:auto} /* tablas de tolerancias en términos: se desplazan dentro */
.nv-list{overflow-x:clip} /* Nosotros: las naves entran desplazadas 36 px */
.count-ink small{display:inline-block} /* «21 materiales» puede partir línea */
@media(max-width:600px){.ahead h1{overflow-wrap:anywhere;hyphens:auto}} /* «manufacturabilidad» en el título del artículo */