/* Greddas: Opción B. Shared values keep spacing and typography consistent. */
:root {
  --ink:#0c2446; --muted:#52647b; --red:#ed0034; --line:#dfe6ee;
  --pale:#f2f7fb; --section-space:64px; --content-width:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);font-size:16px;line-height:1.55;background:#fff}
[hidden]{display:none!important}
a{color:inherit}
h1,h2,h3,p{margin:0}
h1,h2,h3{line-height:1.2}
h1{font-size:clamp(34px,3.5vw,48px);letter-spacing:-1.2px;text-wrap:balance}
h2{font-size:clamp(26px,2.5vw,32px);letter-spacing:-.6px;text-wrap:balance}
h3{font-size:18px}
p{color:var(--muted)}
.container{width:min(var(--content-width),calc(100% - 64px));margin-inline:auto}
a:focus-visible,button:focus-visible{outline:3px solid #1680ac;outline-offset:4px}
.skip{position:absolute;top:-70px;left:20px;background:white;padding:12px;z-index:10}
.skip:focus{top:12px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 24px;border:1px solid transparent;border-radius:5px;background:var(--red);color:#fff;text-decoration:none;font-size:15px;font-weight:700;text-align:center;line-height:1.4}
.button:hover{filter:brightness(.92)}
.actions{display:flex;flex-wrap:wrap;gap:14px}
/* Header and navigation */
.header{min-height:90px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.header>a:first-child,.footer>a:first-child{flex-shrink:0}
.brand-logo{display:block;width:220px;max-width:100%;height:auto}
nav{display:flex;align-items:center;gap:20px}
nav a{display:inline-flex;align-items:center;min-height:44px;text-decoration:none;font-size:14px;line-height:1.4}
nav a:hover{color:var(--red)}
.menu-toggle{display:none;font:inherit}
/* Original hero photograph preserved */
.hero{min-height:500px;display:flex;align-items:center;color:#fff;background:linear-gradient(90deg,rgba(3,12,20,.94),rgba(3,12,20,.64) 48%,rgba(3,12,20,.1)),url('../../public/assets/optimized/soldador-1600.5040ffd7f61c.webp') center 45%/cover}
.hero-copy{max-width:610px;padding-block:64px}
.hero p{max-width:560px;margin:24px 0 30px;font-size:20px;line-height:1.55;color:#e0e5eb}
.outline{background:transparent;border-color:#fff}
/* Reference windows are retained only for assets not yet recovered. */
.crop{display:block;position:relative;overflow:hidden;width:100%;flex-shrink:0}
/* The image's width/height attributes set the ratio, so no inline styles are needed (CSP style-src 'self'). */
.crop img{display:block;width:100%;height:auto}
.trust{padding:32px 0 36px;background:#fafcfd}
.trust h2{text-align:center;font-size:19px;letter-spacing:0;line-height:1.45}
.clients{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));align-items:center;margin-top:26px}
.clients>div{padding-inline:32px;border-right:1px solid var(--line)}
.clients>div:last-child{border:0}
.clients .client-logo{display:block;width:100%;height:64px;object-fit:contain;object-position:center;background:#fff}
/* Adjacent white sections share a single intentional separation. */
.section{padding-block:var(--section-space)}
.section.container + .section.container{padding-top:16px}
.heading{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:end;margin-bottom:30px}
.heading h2:before{content:'';display:block;width:30px;height:3px;margin-bottom:12px;background:var(--red)}
.heading p{max-width:540px;font-size:16px;line-height:1.55}
.services{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.service{display:grid;grid-template-columns:40% minmax(0,1fr);align-items:stretch;overflow:hidden;border:1px solid var(--line);border-radius:6px;background:#fff}
.service .service-photo{display:block;width:100%;height:100%;min-height:232px;object-fit:cover;object-position:center}
.service:nth-child(3) .service-photo{object-position:25% center}
.service>div{display:flex;flex-direction:column;align-items:flex-start;padding:22px 18px 14px}
.service p{margin-top:12px;font-size:15px;line-height:1.55}
.service a{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;margin-top:auto;padding-top:8px;color:var(--red);font-size:25px;text-decoration:none}
.services-more{display:flex;justify-content:flex-end;margin-top:16px}
.services-more a{display:inline-flex;gap:12px;align-items:center;min-height:44px;color:#c9002c;font-size:15px;font-weight:700;text-decoration:none}
.services-more a:hover{text-decoration:underline}
.extras{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}
.extras article{display:flex;gap:16px;align-items:center}
.extras h3{font-size:16px;line-height:1.5;font-weight:400}
.icon{width:52px}
.process{background:var(--pale)}
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;list-style:none;margin:0;padding:6px 0 0}
.steps li{display:flex;gap:14px}
.number{display:grid;place-items:center;flex-shrink:0;width:30px;height:30px;border-radius:50%;background:#064269;color:#fff;font-size:14px}
.steps h3{font-size:16px;line-height:1.35}
.steps p{font-size:15px;margin-top:10px}
.principles{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:22px;text-align:center}
.principles article{border-right:1px solid var(--line);padding-right:22px}
.principles article:last-child{border:0;padding:0}
.principle-icon{width:38px;margin:0 auto 16px}
.principles h3{font-size:16px;line-height:1.35}
.principles p{font-size:15px;margin-top:10px}
.regions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.regions article{display:grid;grid-template-columns:43% minmax(0,1fr);align-items:center;overflow:hidden;border:1px solid var(--line);border-radius:6px}
.regions article>div{padding:24px}
.regions p{font-size:15px;margin-top:10px}
.contact{background:#f7fafc}
.contacts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin-bottom:24px}
.contacts span{display:block;font-size:14px;color:var(--muted)}
.contacts a{display:inline-flex;align-items:center;min-height:44px;font-size:16px;font-weight:700;text-decoration:none;overflow-wrap:anywhere}
.whatsapp{background:#138546}
footer{background:#0d2543;color:white;padding-block:32px}
.footer{display:flex;align-items:center;justify-content:space-between;gap:28px}
footer nav{gap:16px;flex-wrap:wrap}
footer nav a{font-size:13px}
footer small{font-size:12px;color:#dce4ef}
.legal-footer{display:flex;flex-wrap:wrap;gap:8px 28px;border-top:1px solid #38506c;margin-top:24px;padding-top:16px}
.legal-footer a{display:inline-flex;align-items:center;min-height:44px;font-size:14px;color:#dce4ef;text-underline-offset:4px}
footer .brand-logo{width:245px;background:transparent;border-radius:0;padding:0}
/* Tablet: keep copy readable instead of squeezing horizontal cards. */
@media(max-width:1150px){
  .top-cta{display:none}
  .contacts{grid-template-columns:repeat(2,minmax(0,1fr))}
  .service{display:flex;flex-direction:column}
  .service .service-photo{height:auto;min-height:0;aspect-ratio:16/10}
  .service>div{flex:1;padding:22px 20px 14px}
  .service a{margin-top:auto}
  .clients>div{padding-inline:24px}
  .extras,.steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 36px}
  .principles{grid-template-columns:repeat(3,minmax(0,1fr));gap:30px}
  .principles article{border:0;padding:0}
  .footer{flex-wrap:wrap}
}
@media(max-width:760px){
  :root{--section-space:48px}
  .container{width:calc(100% - 40px)}
  h1{font-size:clamp(32px,8.7vw,42px);letter-spacing:-.8px}
  h2{font-size:27px;letter-spacing:-.4px}
  .header{display:flex;flex-wrap:wrap;min-height:82px;padding-block:12px;gap:10px 16px}
  .brand-logo{width:190px}
  .header nav{width:100%;flex-wrap:wrap;gap:0 20px;padding-top:8px}
  .header nav a{font-size:16px;min-height:48px}
  .menu-ready .menu-toggle{display:inline-flex;gap:10px;align-items:center;justify-content:center;min-height:44px;min-width:84px;padding:8px 12px;border:1px solid var(--line);border-radius:5px;background:#fff;color:var(--ink);font-size:15px;cursor:pointer}
  .menu-ready .menu-toggle span{font-size:20px;line-height:1}
  .menu-ready nav{display:none}
  .menu-ready[data-menu-open="true"] nav{display:flex;flex-direction:column;align-items:stretch;border-top:1px solid var(--line)}
  .hero{min-height:0;background-position:58% center;background-image:linear-gradient(90deg,rgba(3,12,20,.91),rgba(3,12,20,.61)),url('../../public/assets/optimized/soldador-800.bf4ca1f36411.webp')}
  .hero-copy{padding-block:48px;max-width:560px}
  .hero p{font-size:18px;margin:22px 0 28px}
  .actions{gap:12px}
  .hero .actions{flex-direction:column;align-items:stretch}
  .button{min-height:48px;white-space:normal}
  .trust{padding:28px 0 32px}
  .trust h2{font-size:18px}
  .clients{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 0;margin-top:24px}
  .clients>div{padding-inline:18px}
  .clients>div:nth-child(2){border:0}
  .clients .client-logo{height:58px}
  .heading{grid-template-columns:1fr;gap:16px;margin-bottom:26px}
  .heading p{font-size:16px}
  .section.container + .section.container{padding-top:12px}
  .services,.regions{grid-template-columns:1fr;gap:20px}
  .service{display:block}
  .service .service-photo{aspect-ratio:16/9;min-height:0;height:auto}
  .service>div{padding:22px 22px 12px}
  .service h3{font-size:21px}
  .service p{font-size:16px;margin-top:10px}
  .service a{margin-top:8px}
  .services-more{justify-content:flex-start}
  .extras{grid-template-columns:1fr;gap:24px}
  .extras article{align-items:center;gap:18px}
  .extras h3{font-size:17px}
  .steps{grid-template-columns:1fr;gap:26px}
  .steps h3{font-size:17px}
  .steps p{font-size:16px;margin-top:8px}
  .principles{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 20px}
  .principles article{border:0;padding:0}
  .principles article:last-child{grid-column:1/-1;max-width:250px;margin-inline:auto}
  .principles p{font-size:15px}
  .regions article{display:block}
  .regions article>div{padding:22px}
  .regions h3{font-size:20px}
  .regions p{font-size:16px}
  .contacts{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 16px}
  .contacts a{font-size:15px}
  .contact .actions{flex-direction:column}
  .footer{display:flex;flex-direction:column;align-items:flex-start;gap:24px}
  footer .brand-logo{width:220px}
  footer nav{display:grid;grid-template-columns:1fr 1fr;gap:4px 24px;width:100%}
  footer nav a{font-size:14px}
}
@media(max-width:359px){
  .container{width:calc(100% - 32px)}
  /* Keep logo and menu button on one row at 320px with a classic scrollbar or 400% zoom. */
  .brand-logo{width:min(174px,calc(100vw - 150px))}
  .header{gap:10px}
  .menu-ready .menu-toggle{min-width:80px;padding-inline:10px}
  .contacts{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Client crop: a reversible window over the original photograph. */
@media(max-width:1150px){.service .structure-photo{height:auto;min-height:0;aspect-ratio:436/261}}

/* Reserve the final mobile navigation layout before deferred enhancement. */
@media(max-width:760px){
  .js .header nav{display:none}
  .js .header[data-menu-open="true"] nav{display:flex}
  .js .menu-toggle[hidden],.js .menu-toggle{display:inline-flex!important;align-items:center;justify-content:center;gap:10px;min-height:44px;min-width:84px;padding:8px 12px;border:1px solid var(--line);border-radius:5px;background:white;color:var(--ink);font:inherit;font-size:15px}
}
nav a[aria-current="page"]{color:#bc0029;text-decoration:underline;text-underline-offset:7px;text-decoration-thickness:2px}
footer nav a[aria-current="page"]{color:white;text-decoration-color:#ff5278}
:target{scroll-margin-top:24px}
@media(forced-colors:active){.button,.menu-toggle{border:1px solid ButtonText}a:focus-visible,button:focus-visible{outline:3px solid Highlight}}