:root{
  --bg:#0a0d11;
  --bg2:#10151b;
  --panel:#151b22;
  --panel2:#1a212a;
  --text:#edf1f5;
  --muted:#a6b0bb;
  --line:rgba(255,255,255,.12);
  --red:#e33a2e;
  --red2:#ff4b3d;
  --white:#fff;
  --ink:#0c1116;
  --max:1240px;
  --shadow:0 24px 70px rgba(0,0,0,.28);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
.container{width:min(calc(100% - 40px),var(--max));margin-inline:auto}
.skip-link{position:fixed;left:12px;top:-100px;background:#fff;color:#000;padding:10px 14px;z-index:9999}.skip-link:focus{top:12px}
.site-header{position:fixed;inset:0 0 auto;z-index:1000;border-bottom:1px solid transparent;transition:.25s ease}
.site-header.scrolled{background:rgba(8,11,15,.91);backdrop-filter:blur(14px);border-color:var(--line)}
.nav-wrap{height:84px;display:flex;align-items:center;justify-content:space-between;gap:32px}
.brand{display:inline-flex;align-items:center;gap:12px;font-weight:900;letter-spacing:.04em}
.brand-mark{width:38px;height:35px;display:flex;gap:4px;align-items:flex-end;transform:skewX(-12deg)}
.brand-mark i{display:block;width:9px;background:var(--red)}
.brand-mark i:nth-child(1){height:22px}.brand-mark i:nth-child(2){height:34px}.brand-mark i:nth-child(3){height:27px}
.brand-text{font-size:21px;line-height:1;display:flex;flex-direction:column;gap:5px}.brand-text small{font-size:8px;letter-spacing:.18em;color:#aeb7c1;font-weight:700}
.main-nav{display:flex;align-items:center;gap:27px;font-size:13px;font-weight:700;letter-spacing:.04em}
.main-nav>a{position:relative;color:#d9e0e7}.main-nav>a:not(.nav-cta):after{content:"";position:absolute;left:0;right:100%;bottom:-8px;height:2px;background:var(--red);transition:.2s}.main-nav>a:hover:after{right:0}
.nav-cta{border:1px solid rgba(255,255,255,.28);padding:12px 17px}.nav-cta:hover{background:#fff;color:#111}
.nav-toggle{display:none;width:44px;height:44px;border:0;background:transparent;padding:10px}.nav-toggle span{display:block;height:2px;background:#fff;margin:6px 0;transition:.2s}
.hero{min-height:760px;height:100vh;position:relative;display:grid;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-image:url('../img/hero-soldadura.webp');background-size:cover;background-position:center 52%;transform:scale(1.02)}
.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,8,11,.96) 0%,rgba(6,8,11,.82) 38%,rgba(6,8,11,.34) 70%,rgba(6,8,11,.25) 100%),linear-gradient(0deg,rgba(6,8,11,.78),transparent 45%)}
.hero-grid{position:relative;z-index:2;padding-top:84px}.hero-copy{max-width:780px}
.eyebrow{font-size:12px;letter-spacing:.18em;font-weight:800;color:var(--red2);margin:0 0 18px;text-transform:uppercase}
.hero h1{font-size:clamp(55px,7vw,102px);line-height:.91;letter-spacing:-.055em;margin:0;text-transform:uppercase;max-width:900px}.hero h1 span{color:transparent;-webkit-text-stroke:1.2px rgba(255,255,255,.75);text-stroke:1.2px rgba(255,255,255,.75)}
.hero-lead{font-size:clamp(18px,2vw,24px);line-height:1.5;color:#d2d8df;max-width:700px;margin:28px 0 0}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:36px}.btn{display:inline-flex;min-height:52px;align-items:center;justify-content:center;padding:0 23px;font-size:13px;font-weight:800;letter-spacing:.045em;border:1px solid transparent;cursor:pointer;transition:.2s}.btn-primary{background:var(--red);color:#fff}.btn-primary:hover{background:var(--red2);transform:translateY(-1px)}.btn-ghost{border-color:rgba(255,255,255,.35);background:rgba(0,0,0,.12)}.btn-ghost:hover{background:#fff;color:#111}
.hero-meta{display:grid;grid-template-columns:repeat(3,1fr);max-width:720px;margin-top:52px;border-top:1px solid rgba(255,255,255,.22);padding-top:18px}.hero-meta div{display:flex;flex-direction:column;gap:3px;border-right:1px solid rgba(255,255,255,.14);padding-right:22px;margin-right:22px}.hero-meta div:last-child{border:0}.hero-meta strong{font-size:17px}.hero-meta span{font-size:11px;color:#aeb7c1;text-transform:uppercase;letter-spacing:.08em}
.scroll-cue{position:absolute;z-index:3;bottom:26px;right:max(24px,calc((100vw - var(--max))/2));width:34px;height:56px;border:1px solid rgba(255,255,255,.24);display:grid;place-items:start center;padding-top:10px}.scroll-cue span{width:2px;height:12px;background:#fff;animation:scroll 1.5s infinite}@keyframes scroll{0%{transform:translateY(0);opacity:0}30%{opacity:1}100%{transform:translateY(20px);opacity:0}}
.section{padding:110px 0}.intro-strip{background:#f3f5f6;color:var(--ink)}.section-head{max-width:820px;margin-bottom:54px}.section-head h2,.content-block h2,.quality-copy h2,.about-copy h2,.contact-copy h2,.cta-grid h2{font-size:clamp(36px,4vw,61px);line-height:1.03;letter-spacing:-.04em;margin:0}.section-head>p:last-child{max-width:700px;color:#59626c;font-size:18px}.cert-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:0 0 24px}.cert-strip div{background:#fff;border:1px solid #d6dce1;padding:18px 16px;box-shadow:0 8px 20px rgba(10,15,20,.06)}.cert-strip strong{display:block;font-size:12px;color:#111;margin-bottom:4px}.cert-strip span{font-size:11px;color:#5f6870;line-height:1.45}.service-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #cfd4d8;border-left:1px solid #cfd4d8}.service-card{position:relative;min-height:300px;padding:34px;border-right:1px solid #cfd4d8;border-bottom:1px solid #cfd4d8;transition:.25s}.service-card:hover{background:#0e1318;color:#fff;transform:translateY(-4px);box-shadow:var(--shadow);z-index:2}.service-card:hover p{color:#aeb7c1}.service-card:hover svg{stroke:#ff4b3d}.service-num{position:absolute;right:24px;top:20px;color:#9ba2a8;font-size:11px;font-weight:800}.service-card svg{width:50px;height:50px;fill:none;stroke:#222;stroke-width:1.5;margin-bottom:36px}.service-card h3{font-size:22px;margin:0 0 13px;letter-spacing:-.02em}.service-card p{margin:0;color:#5f6870;font-size:14px;line-height:1.7}
.dark-section{background:var(--bg2)}.split-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}.media-card{min-height:620px;position:relative;background-size:cover;background-position:center;box-shadow:var(--shadow)}.workshop-img{background-image:linear-gradient(180deg,transparent 50%,rgba(0,0,0,.6)),url('../img/fabricacion-equipo.webp')}.media-label{position:absolute;left:22px;bottom:20px;background:rgba(8,11,14,.86);border:1px solid rgba(255,255,255,.18);padding:9px 12px;font-size:10px;font-weight:800;letter-spacing:.13em}.content-block .lead{font-size:19px;color:#b7c0c9;max-width:600px}.process-list{margin:34px 0 26px;border-top:1px solid var(--line)}.process-list div{display:grid;grid-template-columns:48px 1fr;align-items:center;border-bottom:1px solid var(--line);min-height:56px}.process-list span{color:var(--red2);font-size:11px;font-weight:800}.process-list p{margin:0;font-size:14px;color:#c9d0d7}.process-list strong{color:#fff}.text-link{display:inline-flex;gap:10px;align-items:center;font-weight:800;font-size:13px;text-transform:uppercase;letter-spacing:.08em}.text-link span{color:var(--red2);font-size:22px;transition:.2s}.text-link:hover span{transform:translateX(5px)}
.projects{background:#0c1015}.row-head{max-width:none;display:grid;grid-template-columns:1fr .6fr;gap:50px;align-items:end}.row-head>p{font-size:14px!important;margin:0 0 6px}.project-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.project-card{position:relative;min-height:520px;background-size:cover;background-position:center;overflow:hidden}.project-tank{background-image:url('../img/deposito-rectangular.webp')}.project-structure{background-image:url('../img/taller-estructuras.webp')}.project-welding{background-image:url('../img/montaje-industrial.webp')}.project-equipment{background-image:url('../img/gases-laboratorio.webp')}.project-overlay{position:absolute;inset:0;background:linear-gradient(0deg,rgba(3,5,8,.92) 0,rgba(3,5,8,.18) 60%);transition:.3s}.project-card:hover .project-overlay{background:linear-gradient(0deg,rgba(3,5,8,.96) 0,rgba(227,58,46,.08) 72%)}.project-card{transition:.3s}.project-card:hover{transform:translateY(-5px)}.project-copy{position:absolute;left:26px;right:26px;bottom:24px}.project-copy span{color:var(--red2);font-size:11px;font-weight:800}.project-copy h3{font-size:27px;margin:5px 0 3px}.project-copy p{margin:0;color:#b9c2ca;font-size:13px}
.quality{background:#f3f5f6;color:var(--ink)}.quality-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:85px;align-items:center}.quality-copy>p:not(.eyebrow){color:#59626c;font-size:18px}.quality-badges{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:34px}.quality-badges div{border-top:3px solid var(--red);background:#fff;padding:20px 15px;box-shadow:0 8px 30px rgba(20,30,40,.08)}.quality-badges strong{display:block;font-size:12px}.quality-badges span{font-size:11px;color:#69727a}.quality-panel{background:#11161c;color:#fff;padding:40px}.panel-kicker{font-size:11px;letter-spacing:.16em;color:var(--red2);font-weight:800}.quality-panel ul{list-style:none;margin:20px 0 0;padding:0}.quality-panel li{display:grid;grid-template-columns:50px 1fr;gap:8px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line);font-size:14px;color:#d0d7de}.quality-panel li span{color:#727d87;font-size:10px;font-weight:800}
.machinery{background:#11161c}.machine-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.machine-grid div{padding:34px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-height:145px}.machine-grid strong{display:block;color:#fff;font-size:28px;letter-spacing:-.03em;margin-bottom:9px}.machine-grid span{font-size:12px;color:#aab4be;text-transform:uppercase;letter-spacing:.06em}.machine-note{color:#909ba5;font-size:13px;margin:20px 0 0}
.special-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px}.special-grid article{background:#0d141b;border:1px solid var(--line);padding:24px;min-height:160px}.special-grid strong{display:block;font-size:18px;color:#fff;margin-bottom:10px}.special-grid span{display:block;font-size:14px;color:#aab4be;line-height:1.7}.clients{background:#fff;color:var(--ink);overflow:hidden}.clients .section-head{margin-bottom:44px}.logo-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:38px 46px;align-items:center}.client-logo{margin:0;min-height:76px;display:flex;align-items:center;justify-content:center;background:transparent;border:0;padding:0}.client-logo img{display:block;max-width:100%;width:auto;max-height:72px;object-fit:contain}.client-logo:nth-child(4) img{max-height:66px}.client-logo:nth-child(5) img{max-height:58px}.client-logo:nth-child(7) img{max-height:60px}.client-wordmark span{font-size:27px;font-weight:900;letter-spacing:.1em;color:#23272b}.about{background:#0a0d11}.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:90px}.about-copy p:not(.eyebrow){font-size:17px;color:#aab4bd;max-width:690px}.about-stats{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);border-left:1px solid var(--line)}.about-stats div{min-height:180px;padding:28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;flex-direction:column;justify-content:flex-end}.about-stats span{font-size:34px;font-weight:850;letter-spacing:-.04em;color:#fff}.about-stats p{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:#8e99a4;margin:7px 0 0}
.cta-band{background:var(--red);padding:66px 0}.cta-grid{display:flex;align-items:center;justify-content:space-between;gap:40px}.cta-grid .eyebrow{color:#2d0a08;margin-bottom:8px}.cta-grid h2{font-size:clamp(30px,4vw,52px);max-width:820px}.btn-light{background:#fff;color:#111;min-width:190px}.btn-light:hover{background:#111;color:#fff}
.contact{background:#f3f5f6;color:var(--ink)}.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:80px}.contact-copy>p:not(.eyebrow){color:#5f6870;font-size:17px}.contact-data{display:grid;margin-top:36px;border-top:1px solid #cbd1d6}.contact-data a{display:flex;flex-direction:column;padding:18px 0;border-bottom:1px solid #cbd1d6}.contact-data span{font-size:10px;text-transform:uppercase;letter-spacing:.1em;color:#777f87}.contact-data strong{font-size:15px;margin-top:3px}.contact-form{background:#fff;padding:36px;box-shadow:0 18px 50px rgba(20,30,40,.1)}.contact-form label{display:flex;flex-direction:column;gap:7px;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.055em;margin-bottom:17px}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:15px}.contact-form input,.contact-form select,.contact-form textarea{border:1px solid #cdd3d8;background:#f8f9fa;min-height:48px;padding:10px 12px;border-radius:0;outline:0;color:#111;text-transform:none;letter-spacing:0}.contact-form textarea{resize:vertical}.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:#111;box-shadow:0 0 0 2px rgba(0,0,0,.05)}.contact-form .check{flex-direction:row;align-items:flex-start;text-transform:none;font-weight:500;letter-spacing:0;font-size:12px;color:#626b73}.check input{min-height:auto;margin-top:3px}.check a{text-decoration:underline}.btn-submit{width:100%;border:0}.form-note{font-size:11px;color:#7b848c;margin:12px 0 0}
.site-footer{background:#080b0f;border-top:1px solid var(--line);padding:62px 0 24px}.footer-grid{display:grid;grid-template-columns:1.6fr .7fr .5fr;gap:50px}.brand-footer{margin-bottom:18px}.footer-brand p,.footer-grid>div>p{color:#89949f;font-size:13px}.footer-grid h3{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:#dce2e8;margin:0 0 15px}.footer-grid a:hover{color:#fff}.footer-bottom{border-top:1px solid var(--line);margin-top:45px;padding-top:20px;display:flex;justify-content:space-between;color:#6f7a84;font-size:10px;text-transform:uppercase;letter-spacing:.08em}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .65s ease,transform .65s ease}.reveal.visible{opacity:1;transform:none}
@media (max-width:1000px){.main-nav{position:fixed;inset:84px 0 auto;background:rgba(8,11,15,.98);display:none;flex-direction:column;align-items:stretch;padding:26px 20px;border-top:1px solid var(--line)}.main-nav.open{display:flex}.nav-toggle{display:block}.split-grid,.quality-grid,.about-grid,.contact-grid{grid-template-columns:1fr}.media-card{min-height:500px}.cert-strip{grid-template-columns:1fr 1fr}.service-grid{grid-template-columns:1fr 1fr}.project-grid{grid-template-columns:1fr 1fr}.project-card{min-height:430px}.quality-grid,.about-grid,.contact-grid{gap:45px}.row-head{grid-template-columns:1fr}.machine-grid{grid-template-columns:1fr 1fr}.special-grid{grid-template-columns:1fr}.logo-wall{grid-template-columns:1fr 1fr;gap:30px 34px}.cta-grid{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}}
@media (max-width:650px){.container{width:min(calc(100% - 28px),var(--max))}.nav-wrap{height:72px}.main-nav{inset:72px 0 auto}.hero{min-height:720px;height:100svh}.hero-grid{padding-top:72px}.hero h1{font-size:55px}.hero-lead{font-size:17px}.hero-meta{grid-template-columns:1fr;gap:11px}.hero-meta div{border-right:0;border-bottom:1px solid rgba(255,255,255,.12);padding:0 0 10px;margin:0}.scroll-cue{display:none}.section{padding:78px 0}.cert-strip,.service-grid,.project-grid,.machine-grid,.quality-badges,.about-stats,.field-row,.footer-grid,.logo-wall,.special-grid{grid-template-columns:1fr}.logo-wall{gap:34px}.client-logo{min-height:64px}.project-card:first-child{grid-column:auto}.project-card{min-height:390px}.media-card{min-height:400px}.service-card{min-height:260px}.row-head{gap:15px}.quality-panel,.contact-form{padding:25px}.about-stats div{min-height:130px}.footer-brand{grid-column:auto}.footer-bottom{gap:14px;flex-direction:column}.hero-actions .btn{width:100%}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.scroll-cue span{animation:none}}

/* Client logos balanced sizing */
.logo-wall{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:34px 42px;
  align-items:center;
}
.logo-card,
.client-logo{
  background:transparent !important;
  border:0 !important;
  box-shadow:none !important;
  min-height:110px;
  padding:0 !important;
  margin:0;
  display:flex;
  align-items:center;
  justify-content:center;
}
.logo-card img,
.client-logo img{
  width:100%;
  max-width:190px;
  height:72px;
  object-fit:contain;
  object-position:center;
  display:block;
}
.logo-text span{
  min-height:72px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:22px;
  font-weight:800;
  letter-spacing:.06em;
  text-align:center;
}
@media (max-width:900px){
  .logo-wall{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:520px){
  .logo-wall{grid-template-columns:1fr 1fr;gap:24px 18px;}
  .logo-card img,.client-logo img{max-width:155px;height:60px;}
}