:root{
  --carbon:#eef1f3; --carbon-2:#ffffff; --ink:#1a1d21;
  --paper:#ffffff; --paper-2:#e2e7ea;
  --orange:#ea5a1e; --orange-2:#ff6a24; --orange-deep:#bf420d;
  --blue:#2f6ca3; --muted:#5e666d; --line:rgba(0,0,0,.12);
  --maxw:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--carbon);color:var(--ink);
  font-family:"Archivo",system-ui,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.eyebrow{font-family:"JetBrains Mono",monospace;font-size:12px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--orange);font-weight:600}
.display{font-family:"Anton",sans-serif;font-weight:400;line-height:.94;
  letter-spacing:.005em;text-transform:uppercase}

/* NAV */
nav{position:fixed;inset:0 0 auto 0;z-index:50;display:flex;align-items:center;
  justify-content:space-between;padding:18px 28px;transition:background .3s,border-color .3s,backdrop-filter .3s;
  border-bottom:1px solid transparent}
nav.scrolled{background:rgba(255,255,255,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand{font-family:"Archivo";font-weight:900;font-size:20px;letter-spacing:-.01em;color:var(--ink)}
.brand b{color:var(--orange)}
.brand span{font-family:"JetBrains Mono";font-weight:400;font-size:11px;color:var(--muted);
  display:block;letter-spacing:.14em;margin-top:1px}
.nav-links{display:flex;gap:28px;align-items:center;font-size:14px;font-weight:500;color:#3d444b}
.nav-links a:hover{color:#000}
.nav-cta{font-family:"JetBrains Mono";font-size:12.5px;letter-spacing:.04em;background:var(--orange);
  color:#fff;padding:9px 16px;border-radius:2px;font-weight:500;transition:background .2s,transform .2s}
.nav-cta:hover{background:var(--orange-2);transform:translateY(-1px)}

/* botón hamburguesa (oculto en desktop) */
.nav-toggle{display:none;flex-direction:column;justify-content:space-between;width:38px;height:30px;
  padding:7px 5px;background:none;border:0;cursor:pointer;z-index:2}
.nav-toggle span{display:block;height:2px;width:100%;background:var(--ink);border-radius:2px;
  transition:transform .28s ease,opacity .2s ease}
@media(max-width:820px){
  .nav-toggle{display:flex}
  .nav-links{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(255,255,255,.97);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
    padding:6px 24px 18px;transform:translateY(-10px);opacity:0;pointer-events:none;
    transition:opacity .22s ease,transform .22s ease}
  nav.open .nav-links{opacity:1;transform:none;pointer-events:auto}
  .nav-links a{padding:14px 4px;font-size:16px;color:var(--ink);border-bottom:1px solid var(--line)}
  .nav-links a.nav-cta{border-bottom:0;text-align:center;margin-top:12px;padding:13px 16px;font-size:13px}
  nav.open .nav-toggle span:nth-child(1){transform:translateY(9px) rotate(45deg)}
  nav.open .nav-toggle span:nth-child(2){opacity:0}
  nav.open .nav-toggle span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}
}

/* HERO */
.hero{min-height:100vh;position:relative;display:flex;align-items:center;padding:120px 0 80px;
  background:radial-gradient(120% 80% at 80% -10%,rgba(234,90,30,.10),transparent 55%),
    radial-gradient(90% 70% at 0% 110%,rgba(47,108,163,.07),transparent 55%),var(--carbon);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:stretch;width:100%}
.hero h1{font-size:clamp(44px,7.4vw,104px);margin:20px 0 0}
.hero h1 .l3{color:var(--orange)}
.hero-sub{max-width:430px;margin:26px 0 34px;font-size:17px;line-height:1.55;color:#454b52}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.btn{display:inline-flex;align-items:center;gap:10px;font-weight:600;font-size:15px;padding:14px 24px;
  border-radius:2px;transition:transform .18s,background .18s,border-color .18s,color .18s;cursor:pointer}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-2);transform:translateY(-2px)}
.btn-ghost{border:1px solid rgba(0,0,0,.22);color:var(--ink)}
.btn-ghost:hover{border-color:#000;background:rgba(0,0,0,.04)}
.scrollcue{font-family:"JetBrains Mono";font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--muted);margin-top:46px;display:flex;align-items:center;gap:10px}
.scrollcue .bar{width:26px;height:1px;background:var(--muted);position:relative;overflow:hidden}
.scrollcue .bar::after{content:"";position:absolute;inset:0;background:var(--orange);animation:cue 1.8s ease-in-out infinite}
@keyframes cue{0%{transform:translateX(-100%)}60%,100%{transform:translateX(100%)}}

.flatpack{position:relative;display:flex;align-items:stretch;justify-content:center;min-height:420px}
/* Slideshow del hero (crossfade CSS entre las 2 fotos del kit) */
.hero-slides{position:relative;width:100%;max-width:420px;height:100%;min-height:inherit}
.hero-slides img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center;
  opacity:0;animation:heroXfade 9s ease-in-out infinite;
  filter:drop-shadow(0 16px 26px rgba(20,25,35,.22))}
.hero-slides img:nth-child(2){animation-delay:-4.5s}
@keyframes heroXfade{0%,45%{opacity:1}50%,95%{opacity:0}100%{opacity:1}}
@media(max-width:860px){.hero-slides{height:400px;max-width:340px}}
.box{width:150px;height:300px;position:relative;transform-style:preserve-3d;
  transform:rotateX(-8deg) rotateY(-32deg);animation:boxfloat 6s ease-in-out infinite}
@keyframes boxfloat{0%,100%{transform:rotateX(-8deg) rotateY(-32deg) translateY(0)}
  50%{transform:rotateX(-8deg) rotateY(-30deg) translateY(-12px)}}
.box .f{position:absolute;top:0;left:0;width:150px;height:300px;background:#c99a63;border:1px solid #a97e4c}
.box .front{transform:translateZ(45px);background:linear-gradient(160deg,#d3a970,#b9884f)}
.box .right{width:90px;transform:rotateY(90deg) translateZ(150px);background:linear-gradient(160deg,#a67f4e,#8f6a3c)}
.box .top{height:90px;transform:rotateX(90deg) translateZ(90px);background:linear-gradient(160deg,#e0b984,#c99a63)}
.box .label{position:absolute;top:26px;left:14px;right:14px;transform:translateZ(46px);
  font-family:"JetBrains Mono";color:#4a3213;font-size:11px;line-height:1.6;letter-spacing:.06em}
.box .label b{display:block;font-family:"Archivo";font-weight:900;font-size:15px;color:#3a2810;letter-spacing:-.01em;margin-bottom:2px}
.box .tape{position:absolute;top:50%;left:0;right:0;height:34px;transform:translateZ(46px) translateY(-50%);background:rgba(234,90,30,.9)}
.box .tape span{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-family:"JetBrains Mono";font-size:9.5px;letter-spacing:.3em;color:#fff}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr}.flatpack{order:-1;margin-bottom:6px}}

/* ASSEMBLY (image sequence driven by scroll) */
.assembly{position:relative;height:460vh;background:linear-gradient(180deg,#eef1f3,#e4e8eb)}
.stage{position:sticky;top:0;height:100vh;overflow:hidden;display:flex;align-items:center;justify-content:center}
.stage-head{position:absolute;top:0;left:0;right:0;padding:80px 28px 0;text-align:center;z-index:3;pointer-events:none}
.stage-head .eyebrow{margin-bottom:10px}
.stage-head h2{font-size:clamp(30px,5vw,60px);margin:0}
.stage-head .done{color:var(--orange);opacity:0;transform:translateY(10px);
  transition:opacity .5s,transform .5s;font-family:"Anton";font-size:clamp(30px,5vw,60px);
  text-transform:uppercase;line-height:1;position:absolute;left:0;right:0;top:80px}
.stage-head .done.on{opacity:1;transform:none}

.rig{position:relative;display:flex;align-items:center;justify-content:center}
#frameCanvas{width:min(760px,86vw);height:auto;display:block}

/* loader */
.loader{position:absolute;z-index:5;display:flex;flex-direction:column;align-items:center;gap:14px;
  transition:opacity .4s;pointer-events:none}
.loader.hide{opacity:0}
.loader .lbar{width:180px;height:2px;background:rgba(0,0,0,.12);overflow:hidden;border-radius:2px}
.loader .lfill{height:100%;width:0;background:var(--orange);transition:width .15s linear}
.loader .ltxt{font-family:"JetBrains Mono";font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

/* spec annotations */
.annot{position:absolute;z-index:4;max-width:260px;opacity:0;transform:translateY(14px);
  transition:opacity .55s ease,transform .55s ease}
.annot.on{opacity:1;transform:none}
.annot .tag{font-family:"JetBrains Mono";font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--orange-deep)}
.annot .big{font-family:"Anton";font-size:34px;line-height:1;margin:6px 0 4px}
.annot p{margin:2px 0 0;font-size:13.5px;color:#5b636a;line-height:1.45}
.a1{top:24%;left:6%}
.a2{top:60%;left:5%}
.a3{top:26%;right:6%;text-align:right}
.a4{top:62%;right:6%;text-align:right}
@media(max-width:900px){.annot{max-width:170px}.annot .big{font-size:24px}
  .a1{top:18%;left:3%}.a2{top:72%;left:3%}.a3{top:18%;right:3%}.a4{top:72%;right:3%}}
@media(max-width:620px){.annot .big{font-size:20px}.annot p{font-size:12px}
  .a1,.a2{left:4%}.a3,.a4{right:4%}
  .a1,.a3{top:25%}.a2,.a4{top:74%}}

/* SPEC STRIP */
.specs{background:var(--carbon-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.specs .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.spec{padding:40px 24px;border-right:1px solid var(--line);text-align:center}
.spec:last-child{border-right:none}
.spec .v{font-family:"Anton";font-size:clamp(28px,3.4vw,44px);color:var(--ink);line-height:1}
.spec .v em{color:var(--orange);font-style:normal}
.spec .k{font-family:"JetBrains Mono";font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-top:10px}
@media(max-width:720px){.specs .wrap{grid-template-columns:repeat(2,1fr)}
  .spec:nth-child(2){border-right:none}.spec:nth-child(1),.spec:nth-child(2){border-bottom:1px solid var(--line)}}

/* FORMATOS (medidas + superficies) */
.formats{background:var(--carbon);padding:100px 0}
.formats .eyebrow{color:var(--orange-deep)}
.formats h2{font-family:"Anton";font-size:clamp(30px,4.6vw,54px);text-transform:uppercase;line-height:.96;margin:12px 0 14px;color:var(--ink);max-width:18ch}
.formats-lead{color:#4b5157;font-size:16px;line-height:1.6;max-width:540px;margin:0 0 48px}
.formats-groups{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.formats-label{font-family:"JetBrains Mono";font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:16px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.formats-tiles{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.format-tile{background:#fff;border:1px solid var(--line);border-radius:8px;padding:24px 18px;text-align:center;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;min-height:158px}
.format-size{font-family:"Anton";font-size:clamp(24px,2.8vw,32px);color:var(--ink);line-height:1}
.format-size span{font-family:"Archivo";font-weight:800;font-size:.44em;color:var(--muted);margin-left:2px}
.format-name{font-size:13.5px;color:#565c62;line-height:1.35}
.format-swatch{width:66px;height:66px;border-radius:6px;border:1px solid rgba(0,0,0,.12);box-shadow:inset 0 1px 2px rgba(0,0,0,.06)}
.swatch-labrada{background:
  repeating-linear-gradient(45deg,rgba(0,0,0,.16) 0 2px,transparent 2px 8px),
  repeating-linear-gradient(-45deg,rgba(0,0,0,.11) 0 2px,transparent 2px 8px),
  linear-gradient(135deg,#c9cdd1,#edeff1)}
.swatch-lisa{background:linear-gradient(135deg,#dfe3e6 0%,#f6f8f9 45%,#ccd1d5 56%,#eef1f3 100%)}
@media(max-width:820px){.formats-groups{grid-template-columns:1fr;gap:34px}}
@media(max-width:420px){.formats-tiles{gap:12px}.format-tile{padding:18px 12px;min-height:138px}}

/* VOLUME (queda naranja) */
.volume{background:var(--orange);color:#fff;padding:0 0 100px}
.volume-hero{margin:0 0 70px;padding:0}
.volume-hero img{display:block;width:100%;height:auto;max-height:70vh;object-fit:contain}
.volume-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.volume .eyebrow{color:#ffe0d0}
.vol-stat{font-family:"Anton";font-size:clamp(90px,16vw,190px);line-height:.82;letter-spacing:-.01em}
.vol-stat small{font-size:.32em;vertical-align:super;font-family:"Archivo";font-weight:900}
.volume h2{font-size:clamp(24px,3.4vw,40px);margin:8px 0 0;line-height:1.05;font-family:"Archivo";font-weight:900}
.volume p{max-width:440px;font-size:16px;line-height:1.6;color:#ffe9df;margin:20px 0 0}
.bars{background:rgba(0,0,0,.14);border-radius:4px;padding:26px}
.bar-row{margin-bottom:22px}.bar-row:last-child{margin-bottom:0}
.bar-row .lab{display:flex;justify-content:space-between;font-size:13px;font-weight:600;margin-bottom:8px}
.bar-row .lab .mono{font-family:"JetBrains Mono";font-weight:500}
.track{height:22px;background:rgba(255,255,255,.16);border-radius:3px;overflow:hidden}
.fill{height:100%;width:0;border-radius:3px;transition:width 1.1s cubic-bezier(.16,1,.3,1)}
.fill.wood{background:repeating-linear-gradient(45deg,#3a2a1a,#3a2a1a 8px,#4a3624 8px 16px)}
.fill.tech{background:linear-gradient(90deg,#fff,#ffd9c6)}
@media(max-width:820px){.volume-grid{grid-template-columns:1fr;gap:34px}}

/* ALTO VALOR EN REVENTA */
.resale{background:var(--paper);padding:100px 0}
.resale-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:center}
.resale .eyebrow{color:var(--orange-deep)}
.resale h2{font-family:"Anton";font-size:clamp(30px,4.6vw,54px);text-transform:uppercase;line-height:.96;margin:12px 0 16px;color:var(--ink);max-width:14ch}
.resale p{color:#4b5157;font-size:16px;line-height:1.6;max-width:460px;margin:0}
.resale-chart{margin:0;background:var(--carbon);border:1px solid var(--line);border-radius:6px;padding:20px 20px 12px}
.resale-chart svg{width:100%;height:auto;display:block}
.resale-cap{font-family:"JetBrains Mono";font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:10px 2px 0;text-align:right}
@media(max-width:820px){.resale-grid{grid-template-columns:1fr;gap:32px}}

/* DIFERENCIALES */
.diff{background:var(--carbon);color:var(--ink);padding:100px 0}
.diff .eyebrow{color:var(--orange-deep)}
.diff h2{font-family:"Anton";font-size:clamp(34px,5.5vw,68px);text-transform:uppercase;line-height:.94;margin:12px 0 8px;max-width:12ch}
.diff .lead{max-width:520px;color:#4b5157;font-size:16px;line-height:1.55;margin-bottom:56px}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:2px solid var(--ink)}
.card{padding:34px 26px 40px;border-right:1px solid #cbd2d7;position:relative;transition:background .25s}
.card:last-child{border-right:none}
.card:hover{background:#fff}
.card .num{font-family:"JetBrains Mono";font-size:12px;color:var(--orange);letter-spacing:.1em}
.card h3{font-family:"Archivo";font-weight:800;font-size:19px;margin:34px 0 10px;line-height:1.15}
.card p{font-size:14.5px;line-height:1.55;color:#565c62;margin:0}
.card .ic{width:36px;height:36px;margin-top:14px;color:var(--orange)}
@media(max-width:900px){.cards{grid-template-columns:repeat(2,1fr)}
  .card:nth-child(2){border-right:none}.card:nth-child(1),.card:nth-child(2){border-bottom:1px solid #cbd2d7}}
@media(max-width:520px){.cards{grid-template-columns:1fr}.card{border-right:none;border-bottom:1px solid #cbd2d7}}

/* EN USO (fotos con equipo real) */
.usage{background:var(--paper);padding:100px 0}
.usage .eyebrow{color:var(--orange-deep)}
.usage h2{font-family:"Anton";font-size:clamp(30px,4.6vw,54px);text-transform:uppercase;line-height:.96;margin:12px 0 14px;color:var(--ink);max-width:16ch}
.usage-lead{color:#4b5157;font-size:16px;line-height:1.6;max-width:520px;margin:0}
.usage-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:46px}
.usage figure{margin:0;background:var(--carbon);border:1px solid var(--line);border-radius:8px;padding:22px;text-align:center}
.usage figure img{width:100%;height:auto;display:block}
.usage figcaption{font-family:"JetBrains Mono";font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-top:14px}
@media(max-width:760px){.usage-grid{grid-template-columns:1fr;gap:20px}}

/* CTA + FOOTER */
.cta{padding:120px 0;text-align:center;
  background:radial-gradient(80% 120% at 50% 0%,rgba(234,90,30,.10),transparent 60%),var(--carbon)}
.cta h2{font-family:"Anton";font-size:clamp(38px,6.5vw,88px);text-transform:uppercase;line-height:.94;margin:16px 0 0}
.cta h2 span{color:var(--orange)}
.cta p{color:#454b52;max-width:480px;margin:22px 0 34px;font-size:17px;line-height:1.55}
.cta .hero-actions{justify-content:center}

/* CONTACTO */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;text-align:left}
.contact-intro h2{margin-top:14px}
.contact-meta{list-style:none;padding:0;margin:30px 0 0;border-top:1px solid var(--line)}
.contact-meta li{display:flex;gap:16px;align-items:baseline;padding:14px 0;border-bottom:1px solid var(--line);
  font-size:15px;color:#3d444b}
.contact-meta .mono{font-family:"JetBrains Mono";font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);min-width:74px}
.contact-meta a:hover{color:var(--orange-deep)}

.form{background:var(--paper);border:1px solid var(--line);border-radius:4px;padding:30px;
  box-shadow:0 1px 3px rgba(0,0,0,.05);display:flex;flex-direction:column;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field label{font-family:"JetBrains Mono";font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.form input,.form textarea{background:#f6f8f9;border:1px solid #d3dade;border-radius:3px;
  color:var(--ink);font-family:"Archivo",sans-serif;font-size:15px;padding:12px 14px;width:100%;
  transition:border-color .2s,background .2s}
.form textarea{resize:vertical;min-height:104px;line-height:1.5}
.form input::placeholder,.form textarea::placeholder{color:#98a1a8}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--orange);background:#fff}
.form .btn-primary{justify-content:center;margin-top:4px}
.form.sending .btn-primary{opacity:.6;pointer-events:none}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
#tsWidget:not(:empty){margin-top:2px}
.form-status{margin:0;font-size:14px;line-height:1.45;min-height:1px}
.form-status.ok{color:#1f9d57}
.form-status.err{color:#c53a1a}
.form-note{font-size:12px;color:var(--muted);margin-top:12px;line-height:1.5}
.form-note a{color:var(--orange-2);text-decoration:underline}
.form-consent{display:flex;align-items:flex-start;gap:10px;font-size:12.5px;line-height:1.5;color:var(--muted);cursor:pointer}
.form-consent input{flex:0 0 auto;width:16px;height:16px;margin-top:1px;accent-color:var(--orange);cursor:pointer}
.form-consent a{color:var(--orange-2);text-decoration:underline}
.cta-note{font-size:13px;color:var(--muted);max-width:440px;margin:18px auto 0;line-height:1.5}
@media(max-width:820px){.contact-grid{grid-template-columns:1fr;gap:36px}}
@media(max-width:460px){.field-row{grid-template-columns:1fr}}
footer{border-top:1px solid var(--line);padding:34px 0;color:var(--muted);font-size:13px}
footer .wrap{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:18px}
footer .brand{font-size:16px;flex:0 0 auto}
.footer-legal{flex:1 1 460px;max-width:730px;margin:0;font-size:12.5px;line-height:1.55;color:var(--muted)}
.footer-legal a{color:var(--muted);text-decoration:underline;transition:color .2s}
.footer-legal a:hover{color:var(--orange-2)}
.footer-links{white-space:nowrap}

/* PÁGINAS LEGALES (privacidad.html / terminos.html) */
.legal{padding:120px 0 80px}
.legal .wrap{max-width:760px}
.legal-back{display:inline-block;font-family:"JetBrains Mono";font-size:12px;letter-spacing:.06em;color:var(--muted);margin-bottom:26px;transition:color .2s}
.legal-back:hover{color:var(--orange)}
.legal-draft{font-family:"JetBrains Mono";font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--orange-deep);margin:0 0 8px}
.legal h1{font-family:"Anton";font-size:clamp(32px,5.5vw,54px);text-transform:uppercase;line-height:.98;margin:0 0 8px;color:var(--ink)}
.legal .updated{font-size:13px;color:var(--muted);margin:0 0 40px}
.legal h2{font-family:"Archivo";font-weight:800;font-size:19px;margin:34px 0 10px;color:var(--ink)}
.legal p{font-size:15px;line-height:1.65;color:#3d444b;margin:0 0 14px}
.legal ul{font-size:15px;line-height:1.65;color:#3d444b;margin:0 0 14px;padding-left:22px}
.legal li{margin-bottom:6px}
.legal a{color:var(--orange-deep);text-decoration:underline}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
  .box,.scrollcue .bar::after,.hero-slides img{animation:none}
  .hero-slides img:first-child{opacity:1}}