/* Layout: bandas a todo el ancho (azul corporativo / blanco / gris claro), fotos reales de faena, explorador de servicios con pestañas */
:root{
  --bg:#ffffff; --soft:#f3f4f8; --line:#dfe2ea;
  --ink:#0d1030; --muted:#585d70; --grey:#666666;
  --navy:#01007f; --navy-2:#1414a8; --navy-tint:#e8e8f7;
  --on-navy:#ffffff; --on-navy-soft:rgba(255,255,255,.76);
  --wa:#25d366;
  --display:"Barlow Condensed","Arial Narrow",Arial,sans-serif;
  --body:"Barlow",system-ui,-apple-system,"Segoe UI",sans-serif;
  --r:10px; --max:1200px;
  color-scheme:light;
}
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
svg{display:block}
img{max-width:100%;display:block}
h1,h2,h3{font-family:var(--display);font-weight:700;line-height:1;text-wrap:balance}
.wrap{max-width:var(--max);margin:0 auto;padding-left:20px;padding-right:20px}
:focus-visible{outline:3px solid var(--navy-2);outline-offset:3px}
.eyebrow{font-weight:600;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--navy)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 24px;border-radius:999px;font-weight:600;font-size:1rem;border:2px solid transparent;cursor:pointer;transition:background .2s,color .2s,border-color .2s}
.btn svg{width:20px;height:20px}
.btn-navy{background:var(--navy);color:var(--on-navy)}
.btn-navy:hover{background:var(--navy-2)}
.btn-line-white{border-color:rgba(255,255,255,.5);color:var(--on-navy)}
.btn-line-white:hover{border-color:var(--on-navy)}
.btn-wa{background:var(--wa);color:#05230f}

/* Header */
header{position:sticky;top:0;z-index:50;background:var(--bg);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;height:74px}
.logo img{height:38px;width:auto}
.nav ul{display:flex;gap:28px;list-style:none;font-weight:500}
.nav ul a{color:var(--muted);transition:color .2s}
.nav ul a:hover{color:var(--navy)}
.nav .btn{padding:10px 20px}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:8px;width:44px;height:44px;font-size:1.3rem;color:var(--ink)}

/* Hero */
.hero{background:var(--navy);color:var(--on-navy);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;padding-top:72px;padding-bottom:72px}
.hero .eyebrow{color:var(--on-navy-soft)}
.hero h1{font-size:clamp(2.8rem,6.6vw,5.6rem);text-transform:uppercase;margin:16px 0 24px;line-height:.92}
.hero h1 i{font-style:italic;color:#b9b9ff}
.hero p{font-size:1.15rem;color:var(--on-navy-soft);max-width:540px;margin-bottom:32px}
.hero .actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-photo{position:relative}
.hero-photo img{width:100%;height:auto;aspect-ratio:4/3.4;object-fit:cover;border-radius:var(--r)}
.hero-photo figcaption{position:absolute;left:16px;bottom:16px;right:16px;background:rgba(1,0,60,.82);backdrop-filter:blur(4px);border-radius:8px;padding:12px 16px;font-size:.92rem;color:var(--on-navy-soft)}
.hero-photo figcaption b{color:var(--on-navy)}

/* Facts strip */
.facts{border-bottom:1px solid var(--line)}
.facts-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.fact{padding:26px 22px;border-right:1px solid var(--line);min-width:0}
.fact:last-child{border-right:0}
.fact b{display:block;font-family:var(--display);font-size:2rem;line-height:1;color:var(--navy);margin-bottom:6px}
.fact span{color:var(--muted);font-size:.95rem;line-height:1.4;display:block}

/* Clients */
.clients{padding-top:56px;padding-bottom:56px}
.clients p{text-align:center;color:var(--muted);font-weight:500;margin-bottom:28px}
.logos{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:28px 56px}
.logos img{height:46px;width:auto;object-fit:contain;filter:grayscale(1);opacity:.7;transition:filter .25s,opacity .25s}
.logos img:hover{filter:none;opacity:1}
.logos img.tall{height:64px}
.logos .partner-logo{font-family:var(--display);font-weight:700;font-size:1.5rem;line-height:1;text-transform:uppercase;color:var(--grey);opacity:.85;transition:color .25s,opacity .25s;text-align:center}
.logos .partner-logo small{display:block;font-family:var(--body);font-weight:500;font-size:.68rem;letter-spacing:.12em;margin-top:4px}
.logos .partner-logo:hover{color:var(--navy);opacity:1}
.partner{display:flex;gap:14px;align-items:flex-start;background:var(--navy-tint);border-radius:8px;padding:14px 16px;margin:-6px 0 22px;font-size:.95rem;color:var(--ink)}
.partner svg{width:22px;height:22px;flex:none;color:var(--navy);margin-top:2px}
.partner a{font-weight:600;color:var(--navy);text-decoration:underline;text-underline-offset:3px}
.foot a{color:var(--navy);font-weight:600}

/* Statement */
.statement{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.statement-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:56px;align-items:center;padding-top:88px;padding-bottom:88px}
.statement h2{font-size:clamp(2.2rem,4.6vw,3.6rem);text-transform:uppercase;margin-top:12px}
.statement h2 em{font-style:normal;color:var(--navy)}
.statement p{color:var(--muted);font-size:1.08rem}
.sectors{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.sectors span{background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-weight:600;font-size:.92rem;color:var(--navy)}

/* Service explorer */
.services{padding-top:96px;padding-bottom:96px}
.services .head{margin-bottom:36px}
.services .head h2{font-size:clamp(2.2rem,4.6vw,3.6rem);text-transform:uppercase;margin-top:12px}
.explorer{display:grid;grid-template-columns:300px 1fr;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.tabs{display:flex;flex-direction:column;background:var(--soft);border-right:1px solid var(--line)}
.tab{all:unset;cursor:pointer;display:flex;align-items:center;gap:14px;padding:24px;border-bottom:1px solid var(--line);font-weight:600;color:var(--muted);transition:background .2s,color .2s}
.tab:last-child{border-bottom:0}
.tab svg{width:26px;height:26px;flex:none}
.tab:hover{color:var(--ink)}
.tab[aria-selected="true"]{background:var(--navy);color:var(--on-navy)}
.tab:focus-visible{outline:3px solid var(--navy-2);outline-offset:-3px}
.panel{display:grid;grid-template-columns:1.05fr .95fr;gap:0;align-items:stretch}
.panel .txt{padding:40px 44px}
.panel h3{font-size:clamp(2rem,3.4vw,2.7rem);text-transform:uppercase;margin-bottom:14px}
.panel .desc{color:var(--muted);font-size:1.05rem;margin-bottom:20px}
.panel ul{list-style:none;border-top:2px solid var(--ink);margin-bottom:26px}
.panel li{padding:11px 0;border-bottom:1px solid var(--line);font-weight:500;display:flex;gap:12px;align-items:baseline}
.panel li::before{content:"";flex:none;width:8px;height:8px;border-radius:50%;background:var(--navy);transform:translateY(-1px)}
.panel .pic{position:relative;min-height:320px}
.panel .pic img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}

/* Gallery */
.work{padding-bottom:96px}
.work .head{display:flex;justify-content:space-between;align-items:end;gap:24px;flex-wrap:wrap;margin-bottom:32px}
.work h2{font-size:clamp(2.2rem,4.6vw,3.6rem);text-transform:uppercase;margin-top:12px}
.work .head p{color:var(--muted);max-width:420px}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:220px;gap:12px}
.gallery figure{position:relative;border-radius:var(--r);overflow:hidden;background:var(--soft)}
.gallery figure.big{grid-column:span 2;grid-row:span 2}
.gallery figure.wide{grid-column:span 2}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.gallery figure:hover img{transform:scale(1.04)}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:28px 14px 12px;background:linear-gradient(transparent,rgba(1,0,40,.82));color:#fff;font-size:.9rem;font-weight:500}

/* Quality */
.quality{background:var(--navy);color:var(--on-navy)}
.quality-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;padding-top:96px;padding-bottom:96px;align-items:start}
.quality .eyebrow{color:var(--on-navy-soft)}
.quality h2{font-size:clamp(2.2rem,4.6vw,3.6rem);text-transform:uppercase;margin:12px 0 20px}
.quality p{color:var(--on-navy-soft);max-width:520px}
.pillars{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.pillar{border:1px solid rgba(255,255,255,.22);border-radius:var(--r);padding:20px}
.pillar svg{width:28px;height:28px;margin-bottom:12px;color:#b9b9ff}
.pillar h3{font-family:var(--body);font-size:1.02rem;font-weight:600;line-height:1.3;margin-bottom:4px}
.pillar p{font-size:.92rem}

/* Supplier card */
.supplier{padding-top:96px;padding-bottom:40px}
.supplier-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
.supplier h2{font-size:clamp(2rem,4vw,3rem);text-transform:uppercase;margin:12px 0 16px}
.supplier p{color:var(--muted)}
.card{border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.card dl{display:grid;grid-template-columns:150px 1fr}
.card dt,.card dd{padding:14px 20px;border-bottom:1px solid var(--line)}
.card dt{background:var(--soft);color:var(--muted);font-size:.9rem;font-weight:500}
.card dd{font-weight:600;font-variant-numeric:tabular-nums;min-width:0;overflow-wrap:anywhere}
.card dl > :nth-last-child(-n+2){border-bottom:0}
.card .copy{all:unset;cursor:pointer;margin-left:10px;font-size:.8rem;font-weight:600;color:var(--navy);border:1px solid var(--line);border-radius:999px;padding:2px 10px}
.card .copy:hover{border-color:var(--navy)}

/* FAQ */
.faq{padding-top:64px;padding-bottom:96px}
.faq h2{font-size:clamp(2.2rem,4.6vw,3.6rem);text-transform:uppercase;margin:12px 0 40px}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px 64px}
.faq-grid h3{font-family:var(--body);font-size:1.12rem;font-weight:600;line-height:1.35;margin-bottom:8px}
.faq-grid p{color:var(--muted)}

/* Contact */
.contact{background:var(--navy);color:var(--on-navy)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;padding-top:96px;padding-bottom:96px}
.contact .eyebrow{color:var(--on-navy-soft)}
.contact h2{font-size:clamp(2.6rem,6vw,4.6rem);text-transform:uppercase;margin:12px 0 18px;line-height:.95}
.contact p.lead{color:var(--on-navy-soft);max-width:480px}
.lines{margin-top:32px;border-top:1px solid rgba(255,255,255,.28)}
.lines a,.lines div{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.28)}
.lines span:first-child{color:var(--on-navy-soft);font-size:.9rem}
.lines span:last-child{font-weight:600}
.lines a:hover span:last-child{text-decoration:underline}
.areas{margin-top:24px;color:var(--on-navy-soft);font-size:.95rem}
.areas b{color:var(--on-navy)}
form{background:var(--bg);color:var(--ink);border-radius:var(--r);padding:34px;display:grid;gap:16px;align-self:start;box-shadow:0 24px 60px rgba(0,0,40,.35)}
form h3{font-size:1.9rem;text-transform:uppercase}
label{display:grid;gap:6px;font-size:.9rem;font-weight:500;color:var(--muted)}
input,select,textarea{font:inherit;color:var(--ink);background:var(--soft);border:1px solid var(--line);border-radius:8px;padding:12px 14px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--navy);background:var(--bg)}
textarea{min-height:110px;resize:vertical}
.form-note{font-size:.82rem;color:var(--muted)}

.map{height:340px}
.map iframe{display:block;width:100%;height:100%;border:0}
footer{padding-top:30px;padding-bottom:30px;font-size:.9rem;color:var(--muted);border-top:1px solid var(--line)}
.foot{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.foot img{height:28px;width:auto}

.wa-float{position:fixed;right:20px;bottom:20px;z-index:60;width:60px;height:60px;border-radius:50%;background:var(--wa);display:grid;place-items:center;box-shadow:0 10px 30px rgba(13,16,48,.28);transition:transform .2s}
.wa-float:hover{transform:scale(1.07)}
.wa-float svg{width:32px;height:32px;color:#fff}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

@media (max-width:980px){
  .hero-grid,.statement-grid,.quality-grid,.supplier-grid,.contact-grid{grid-template-columns:1fr}
  .hero-grid{gap:36px}
  .facts-grid{grid-template-columns:1fr 1fr}
  .fact:nth-child(2){border-right:0}
  .fact:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .explorer{grid-template-columns:1fr}
  .tabs{flex-direction:row;overflow-x:auto;border-right:0;border-bottom:1px solid var(--line)}
  .tab{border-bottom:0;border-right:1px solid var(--line);white-space:nowrap;padding:16px 18px}
  .panel{grid-template-columns:1fr}
  .panel .pic{min-height:240px;order:-1}
  .gallery{grid-template-columns:1fr 1fr;grid-auto-rows:180px}
}
@media (max-width:760px){
  .menu-btn{display:block}
  .nav ul{display:none;position:absolute;top:74px;left:0;right:0;flex-direction:column;gap:0;background:var(--bg);border-bottom:1px solid var(--line)}
  .nav ul.open{display:flex}
  .nav ul a{display:block;padding:16px 20px;border-top:1px solid var(--line)}
  .nav .btn{display:none}
  .logo img{height:32px}
  .wrap{padding-left:16px;padding-right:16px}
  .hero-grid{padding-top:48px;padding-bottom:48px}
  .panel .txt{padding:28px 22px}
  .pillars,.faq-grid{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr;grid-auto-rows:220px}
  .gallery figure.big,.gallery figure.wide{grid-column:auto;grid-row:auto}
  .card dl{grid-template-columns:1fr}
  .card dt{border-bottom:0;padding-bottom:4px}
  .card dl > :nth-last-child(2){border-bottom:0}
  .lines a,.lines div{grid-template-columns:1fr;gap:2px}
  .logos{gap:22px 34px}
  .fact{padding:20px 14px}
  .fact b{font-size:1.45rem;overflow-wrap:anywhere}
  .fact span{font-size:.86rem}
  .logos img{height:34px}
  .logos img.tall{height:48px}
  form{padding:24px}
}

/* Acciones del panel */
.panel-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px}
.more{font-weight:600;color:var(--navy);text-decoration:underline;text-underline-offset:4px}
.more:hover{color:var(--navy-2)}

/* Footer ampliado */
footer{padding-top:56px;padding-bottom:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:40px}
.foot-grid > *{display:flex;flex-direction:column;gap:8px;min-width:0}
.foot-grid b{color:var(--ink);font-weight:600;margin-bottom:4px}
.foot-grid a:hover{color:var(--navy)}
.foot-brand img{height:30px;width:auto;align-self:flex-start;margin-bottom:6px}
.foot-brand p{max-width:300px}
.foot-bottom{border-top:1px solid var(--line);padding-top:20px;padding-bottom:24px;font-size:.85rem}
@media (max-width:980px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.foot-grid{grid-template-columns:1fr}}

/* ===== Páginas de servicio ===== */
.crumbs{font-size:.88rem;color:var(--on-navy-soft);margin-bottom:18px}
.crumbs a{color:var(--on-navy);text-decoration:underline;text-underline-offset:3px}
.crumbs span{margin:0 6px}
.svc-hero .hero-grid{align-items:center}
.svc-hero h1{font-size:clamp(2.6rem,6vw,5rem)}
.svc-body{padding-top:88px;padding-bottom:88px}
.svc-grid{display:grid;grid-template-columns:1fr 340px;gap:64px;align-items:start}
.prose{min-width:0}
.prose h2{font-size:clamp(2rem,4vw,3rem);text-transform:uppercase;margin:56px 0 18px}
.prose h2:first-child{margin-top:0}
.prose p{color:var(--muted);font-size:1.07rem;max-width:68ch;margin-bottom:16px}
.items{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:8px}
.item{border:1px solid var(--line);border-radius:var(--r);padding:22px}
.item h3{font-family:var(--body);font-size:1.08rem;font-weight:600;line-height:1.3;margin-bottom:6px;color:var(--ink)}
.item p{font-size:.97rem;margin:0}
.steps{list-style:none;counter-reset:st;display:grid;gap:0;border-top:2px solid var(--ink);max-width:68ch}
.steps li{counter-increment:st;display:grid;grid-template-columns:52px 1fr;gap:8px;padding:16px 0;border-bottom:1px solid var(--line)}
.steps li::before{content:counter(st);font-family:var(--display);font-weight:700;font-size:1.6rem;line-height:1;color:var(--navy)}
.steps b{display:block;margin-bottom:2px}
.steps span{color:var(--muted)}
.photos{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:8px 0 0}
.photos figure{border-radius:var(--r);overflow:hidden;background:var(--soft);position:relative}
.photos img{width:100%;height:280px;object-fit:cover}
.photos figcaption{font-size:.88rem;color:var(--muted);padding:10px 2px 0}
.comunas{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.comunas span{border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:.92rem;font-weight:500}
.aside{position:sticky;top:96px;display:grid;gap:16px}
.box{border:1px solid var(--line);border-radius:var(--r);padding:24px;background:var(--bg)}
.box.navy{background:var(--navy);color:var(--on-navy);border-color:var(--navy)}
.box.navy p{color:var(--on-navy-soft)}
.box h2,.box h3{font-size:1.5rem;text-transform:uppercase;margin-bottom:10px}
.box p{color:var(--muted);font-size:.95rem;margin-bottom:16px}
.box .btn{width:100%}
.box ul{list-style:none;display:grid;gap:0}
.box li a{display:flex;justify-content:space-between;padding:11px 0;border-top:1px solid var(--line);font-weight:600}
.box li:first-child a{border-top:0}
.box li a:hover{color:var(--navy)}
.box li a[aria-current]{color:var(--muted);pointer-events:none}
.svc-faq{background:var(--soft);border-top:1px solid var(--line)}
.svc-faq .faq{padding-top:88px;padding-bottom:88px}
.faq-grid a{color:var(--navy);font-weight:600;text-decoration:underline;text-underline-offset:3px}
@media (max-width:980px){
  .svc-grid{grid-template-columns:1fr}
  .aside{position:static}
}
@media (max-width:760px){
  .items,.photos{grid-template-columns:1fr}
  .photos img{height:220px}
  .svc-body{padding-top:56px;padding-bottom:56px}
}

/* 404 */
.notfound{padding-top:120px;padding-bottom:120px;text-align:left}
.notfound h1{font-size:clamp(3rem,8vw,6rem);text-transform:uppercase;margin:12px 0 18px}
.notfound p{color:var(--muted);margin-bottom:28px;max-width:52ch}
.notfound .actions{display:flex;flex-wrap:wrap;gap:12px}

/* ===== Animaciones explicativas ===== */
.explainer{border:1px solid var(--line);border-radius:var(--r);background:var(--bg);padding:22px 22px 18px;margin:28px 0 8px;min-width:0}
.ex-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px}
.ex-head b{font-family:var(--display);font-size:1.45rem;text-transform:uppercase;line-height:1.05;color:var(--ink)}
.replay{all:unset;cursor:pointer;flex:none;font-size:.85rem;font-weight:600;color:var(--navy);border:1px solid var(--line);border-radius:999px;padding:5px 12px}
.replay:hover{border-color:var(--navy)}
.replay:focus-visible{outline:3px solid var(--navy-2);outline-offset:2px}
.explainer figcaption{font-size:.92rem;color:var(--muted);margin-top:14px;max-width:72ch}
.ex-svg{width:100%;height:auto;display:block}
.ex-svg text{font-family:var(--body);font-size:13px;fill:var(--muted)}
.ex-split{display:grid;grid-template-columns:1fr 210px;gap:20px;align-items:center}
.ex-side{min-width:0}
.ex-note{font-size:.9rem;color:var(--muted);margin-top:8px}
.ex-note b{color:var(--ink)}
.ex-steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:14px}
.ex-steps li{display:flex;align-items:center;gap:8px;font-size:.9rem;font-weight:600;background:var(--soft);border-radius:8px;padding:8px 10px;line-height:1.2}
.ex-steps b{flex:none;display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--navy);color:#fff;font-size:.8rem}

/* SVG: piezas */
.ground,.axis{stroke:var(--ink);stroke-width:2}
.tank rect,.tank ellipse{fill:var(--soft);stroke:var(--grey);stroke-width:2}
.plates rect{fill:var(--grey)}
.std line{stroke:var(--navy);stroke-width:5;stroke-linecap:round}
.ros circle{fill:#fff;stroke:var(--navy);stroke-width:3}
.led line,.rail line{stroke:var(--navy);stroke-width:4;stroke-linecap:round}
.rail line{stroke:#c9302c;stroke-width:3}
.diag line{stroke:var(--navy-2);stroke-width:3;stroke-dasharray:1;stroke-dashoffset:0;opacity:.85}
.deck rect{fill:#e0a526}
.rosette .r-std{stroke:var(--navy);stroke-width:12;stroke-linecap:round}
.rosette .r-led{stroke:var(--navy-2);stroke-width:8;stroke-linecap:round;stroke-dasharray:1}
.rosette .r-disc{fill:#fff;stroke:var(--navy);stroke-width:4}
.rosette .r-holes circle{fill:var(--navy)}
.limit{stroke:#c9302c;stroke-width:1.5;stroke-dasharray:6 6}
.lim-t{fill:#c9302c!important}
.ax-t{fill:var(--muted)}
.l-sin{fill:none;stroke:var(--grey);stroke-width:4;stroke-linecap:round;stroke-dasharray:1}
.l-pre{fill:none;stroke:var(--navy);stroke-width:4;stroke-linejoin:round;stroke-dasharray:1}
.fail circle{fill:#c9302c}
.fail path{stroke:#fff;stroke-width:3;stroke-linecap:round}
.fail-t{fill:#c9302c!important;font-weight:600}
.marks circle{fill:#fff;stroke:var(--navy);stroke-width:3}
.legend{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:10px;font-size:.88rem;color:var(--muted)}
.legend span::before{content:"";display:inline-block;width:22px;height:4px;border-radius:2px;margin-right:8px;vertical-align:middle}
.lg-pre::before{background:var(--navy)}
.lg-sin::before{background:var(--grey)}
.soil path{fill:var(--soft)}
.found{fill:#b9bcc6;stroke:var(--grey);stroke-width:2}
.bolts line{stroke:var(--ink);stroke-width:4}
.steel rect{fill:var(--navy)}
.steel line{stroke:var(--navy-2);stroke-width:5;stroke-dasharray:1}
.equip .motor{fill:#3f4458}
.equip .cpl{fill:var(--grey)}
.equip .pump{fill:#e0a526;stroke:#9c7212;stroke-width:3}
.equip .pipe{fill:none;stroke:var(--grey);stroke-width:10;stroke-linecap:round}
.labels text{font-weight:600;fill:var(--ink)}
.duct{fill:var(--soft);stroke:var(--grey);stroke-width:3}
.duct.clean{stroke:var(--navy)}
.dirt{fill:#8b7a62;opacity:.75}
.flow .p{fill:var(--navy-2);animation:flow var(--t) linear infinite;animation-delay:calc(var(--o) * -1s)}
.flow.slow .p{fill:var(--grey)}
@keyframes flow{from{transform:translateX(0)}to{transform:translateX(500px)}}

/* Gantt de parada */
.gantt{display:grid;gap:20px}
.g-group{position:relative;display:grid;gap:6px;padding-bottom:4px}
.g-title{font-weight:600;font-size:.95rem;color:var(--ink);margin-bottom:2px}
.g-row{display:grid;grid-template-columns:96px 1fr;align-items:center;gap:10px}
.g-lab{font-size:.85rem;color:var(--muted)}
.g-track{position:relative;height:30px;background:var(--soft);border-radius:6px}
.gbar,.gwait{position:absolute;top:3px;bottom:3px;left:calc(var(--s) / 15 * 100%);width:calc(var(--l) / 15 * 100%);border-radius:5px;display:flex;align-items:center;overflow:hidden}
.gbar{background:var(--grey);color:#fff}
.gbar.nt{background:var(--navy)}
.gbar span,.gwait span{font-size:.75rem;font-weight:600;padding:0 8px;white-space:nowrap}
.gwait{background:repeating-linear-gradient(-45deg,#f1c9c7 0 6px,#fbe7e6 6px 12px)}
.gwait span{color:#a12622}
.g-end{position:absolute;top:22px;bottom:0;left:calc(106px + (100% - 106px) * var(--s) / 15);border-left:2px dashed #c9302c}
.g-end.nt{border-left-color:var(--navy)}
.g-end span{position:absolute;top:-2px;left:6px;font-size:.75rem;font-weight:700;color:#c9302c}
.g-end.nt span{color:var(--navy)}
.g-axis{display:flex;justify-content:space-between;margin-left:106px;font-size:.8rem;color:var(--muted);border-top:1px solid var(--line);padding-top:6px}
.statement .explainer{margin-top:0}

/* Motor de animación: sin JS todo queda en su estado final */
.explainer.armed .a{opacity:0}
.explainer.armed.play .a{animation:var(--k) .7s cubic-bezier(.2,.7,.2,1) var(--d,0s) both}
.explainer .k-fade{--k:ex-fade}
.explainer .k-up{--k:ex-up}
.explainer .k-pop{--k:ex-pop}
.explainer .k-drop{--k:ex-drop}
.explainer .k-x{--k:ex-x}
.explainer .k-y{--k:ex-y}
.explainer .k-draw{--k:ex-draw}
.explainer svg .k-x,.explainer svg .k-y,.explainer svg .k-up,.explainer svg .k-pop{transform-box:fill-box}
.explainer .k-x{transform-origin:left center}
.explainer .k-y,.explainer .k-up{transform-origin:center bottom}
.explainer .k-pop{transform-origin:center}
.explainer.armed.play .k-draw{animation-duration:1.1s}
@keyframes ex-fade{from{opacity:0}to{opacity:1}}
@keyframes ex-up{from{opacity:0;transform:scaleY(0)}to{opacity:1;transform:none}}
@keyframes ex-pop{from{opacity:0;transform:scale(0)}to{opacity:1;transform:none}}
@keyframes ex-drop{from{opacity:0;transform:translateY(-60px)}to{opacity:1;transform:none}}
@keyframes ex-x{from{opacity:1;transform:scaleX(0)}to{opacity:1;transform:none}}
@keyframes ex-y{from{opacity:1;transform:scaleY(0)}to{opacity:1;transform:none}}
@keyframes ex-draw{from{opacity:1;stroke-dashoffset:1}to{opacity:1;stroke-dashoffset:0}}
@media (prefers-reduced-motion:reduce){
  .explainer.armed .a{opacity:1}
  .explainer.armed.play .a{animation:none}
  .flow .p{animation:none}
  .replay{display:none}
}
@media (max-width:760px){
  .ex-split{grid-template-columns:1fr}
  .ex-side{display:grid;grid-template-columns:120px 1fr;gap:14px;align-items:center}
  .ex-steps{grid-template-columns:1fr 1fr}
  .g-row{grid-template-columns:70px 1fr}
  .g-end{left:calc(80px + (100% - 80px) * var(--s) / 15)}
  .g-axis{margin-left:80px}
  .gbar span,.gwait span{font-size:.65rem;padding:0 4px}
  .explainer{padding:16px 14px 14px}
}
.ex-side .rosette{max-width:170px;margin:0 auto}
@media (max-width:760px){
  .gbar span,.gwait span{display:none}
  .g-end span{left:auto;right:6px}
  .ex-side .rosette{max-width:120px}
}

/* ===== Pulido de UI ===== */
/* Cabecera */
header{transition:box-shadow .25s,background .25s}
header.scrolled{box-shadow:0 6px 24px rgba(1,0,60,.08);background:rgba(255,255,255,.94);backdrop-filter:blur(8px)}
.nav ul a{position:relative;padding:6px 0}
.nav ul a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--navy);transform:scaleX(0);transform-origin:left;transition:transform .25s}
.nav ul a:hover::after{transform:scaleX(1)}

/* Botones */
.btn{transition:background .2s,color .2s,border-color .2s,transform .2s,box-shadow .2s}
.btn:hover{transform:translateY(-1px)}
.btn-navy:hover{box-shadow:0 8px 20px rgba(1,0,127,.25)}
.btn-wa:hover{box-shadow:0 8px 20px rgba(37,211,102,.35)}

/* Hero con textura técnica */
.hero{position:relative;isolation:isolate}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:48px 48px;-webkit-mask-image:linear-gradient(90deg,transparent 0%,#000 55%);mask-image:linear-gradient(90deg,transparent 0%,#000 55%)}
.hero::after{content:"";position:absolute;right:0;bottom:0;width:38%;height:10px;background:var(--grey);z-index:-1}
.hero-grid{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);padding-top:80px;padding-bottom:88px}
.hero h1{font-size:clamp(2.6rem,5.2vw,4.7rem)}
.svc-hero h1{font-size:clamp(2.3rem,4.4vw,3.8rem)}
.hero .eyebrow{display:inline-flex;align-items:center;gap:10px}
.hero .eyebrow::before{content:"";width:28px;height:2px;background:#b9b9ff}
.hero-photo img{box-shadow:0 30px 60px rgba(0,0,30,.45);outline:1px solid rgba(255,255,255,.15);outline-offset:-1px}
.hero-photo .badge{position:absolute;top:-18px;right:-14px;background:#fff;color:var(--navy);border-radius:12px;padding:12px 16px;box-shadow:0 14px 30px rgba(0,0,30,.3);text-align:center;line-height:1}
.hero-photo .badge b{display:block;font-family:var(--display);font-size:2.1rem}
.hero-photo .badge span{font-size:.75rem;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}

/* Tira de datos */
.fact{display:flex;gap:14px;align-items:flex-start}
.fact svg{flex:none;width:30px;height:30px;color:var(--navy);margin-top:2px}
.fact b{font-size:1.6rem}

/* Títulos de sección más proporcionados */
.statement h2,.services .head h2,.work h2,.quality h2,.faq h2{font-size:clamp(2rem,4vw,3.2rem)}
.prose h2{font-size:clamp(1.7rem,3vw,2.4rem);margin-top:52px}
.svc-hero h1{font-size:clamp(2.4rem,4.6vw,4rem)}
.services .head h2::after,.work h2::after,.faq h2::after{content:"";display:block;width:56px;height:4px;background:var(--navy);margin-top:16px;border-radius:2px}
.svc-faq .faq h2::after{display:none}

/* Tarjetas con hover */
.item,.pillar,.box,.card,.explainer{transition:border-color .25s,box-shadow .25s,transform .25s}
.item:hover{border-color:var(--navy);box-shadow:0 10px 24px rgba(1,0,127,.08);transform:translateY(-2px)}
.pillar:hover{border-color:rgba(255,255,255,.5)}
.item h3{display:flex;gap:10px;align-items:center}
.item h3::before{content:"";flex:none;width:10px;height:10px;border-radius:3px;background:var(--navy)}

/* Explorador */
.tab[aria-selected="true"]{position:relative}
.tab[aria-selected="true"]::after{content:"";position:absolute;right:-1px;top:50%;width:12px;height:12px;background:var(--bg);transform:translate(50%,-50%) rotate(45deg)}
.panel .pic img{transition:transform .6s}
.panel:hover .pic img{transform:scale(1.03)}
.panel .pic{overflow:hidden}

/* Galería */
.gallery figcaption{transform:translateY(4px);transition:transform .3s}
.gallery figure:hover figcaption{transform:none}

/* Formulario */
input,select,textarea{transition:border-color .2s,background .2s,box-shadow .2s}
input:focus,select:focus,textarea:focus{box-shadow:0 0 0 4px var(--navy-tint)}

/* WhatsApp flotante con pulso suave */
.wa-float::before{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid var(--wa);animation:wa-pulse 2.4s ease-out infinite}
@keyframes wa-pulse{from{transform:scale(1);opacity:.7}to{transform:scale(1.5);opacity:0}}

/* Aparición suave de secciones (solo con JS; sin JS todo visible) */
.rv-armed .rv{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.rv-armed .rv.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  .wa-float::before{animation:none;display:none}
  .rv-armed .rv{opacity:1;transform:none}
}
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr}
  .hero-photo .badge{right:10px;top:-14px}
  .tab[aria-selected="true"]::after{display:none}
}
@media (max-width:760px){
  .fact{flex-direction:column;gap:8px}
  .fact svg{width:24px;height:24px}
  .fact b{font-size:1.3rem}
  .hero::after{width:60%;height:6px}
}
.fact > div{min-width:0}
.fact b{font-size:1.45rem;white-space:nowrap}
.hero .eyebrow{letter-spacing:.1em}
@media (max-width:1100px){.fact b{white-space:normal}}