:root{--ink:#10232b;--muted:#4c626a;--paper:#eef1ef;--accent:#e7bd78;--line:#d1dad7;--white:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:var(--white);color:var(--ink);font-family:Barlow,Arial,sans-serif}h1,h2,h3,p,figure{margin:0}h1,h2,h3{text-wrap:balance}h1,h2,h3{font-family:'Barlow Condensed',Arial,sans-serif;font-weight:600}p{line-height:1.6;text-wrap:pretty}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}a,button{touch-action:manipulation}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #347b43;outline-offset:5px}img{max-width:100%;display:block}svg{width:20px;height:20px;flex-shrink:0}.wrap{width:min(1264px,calc(100% - 96px));margin-inline:auto}.skip{position:fixed;z-index:100;left:16px;top:16px;padding:16px;background:white;transform:translateY(-180%)}.skip:focus{transform:none}
.site-header{position:sticky;top:0;z-index:20;background:white;border-bottom:1px solid var(--line)}.header-inner{height:100px;display:flex;align-items:center;justify-content:space-between;gap:36px}.brand img{width:112px;height:78px;object-fit:contain}.site-header nav{display:flex;align-items:center;gap:32px;font-size:15px}.site-header nav>a{min-height:48px;display:flex;align-items:center}.site-header nav>a:hover{text-decoration:underline;text-underline-offset:6px}.nav-contact{background:var(--ink);color:white;padding:0 24px;gap:20px}.nav-contact:hover{background:#24434d}.menu-button{display:none;width:48px;height:48px;border:1px solid var(--line);background:white}.menu-button span{display:block;width:20px;height:2px;background:var(--ink);margin:6px auto}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:24px;padding:17px 22px;min-height:56px;background:var(--accent);color:var(--ink);font-weight:600;font-size:16px}.button:hover{background:#f0d4a3}.text-link{display:inline-flex;align-items:center;gap:16px;min-height:48px;border-bottom:1px solid currentColor;font-size:15px}.text-link:hover{color:#347b43}
.opening{background:var(--ink);color:white}.hero{display:grid;grid-template-columns:47% 53%;min-height:630px}.hero-copy{padding:68px 50px 68px max(48px,calc((100vw - 1264px)/2));display:flex;flex-direction:column;align-items:flex-start;justify-content:center}.hero h1{font-size:clamp(66px,6.5vw,102px);line-height:.98;letter-spacing:-.018em;max-width:600px}.hero-copy>p{font-size:19px;line-height:1.6;color:#d0dadd;max-width:400px;margin-top:28px}.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px 24px;margin-top:32px}.hero-actions .text-link{border-color:#ffffff70;font-size:15px}.hero-actions .text-link:hover{color:var(--accent)}.hero-photo{position:relative;min-width:0;overflow:hidden;background:#273e46}.hero-photo>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:42% center}.hero-photo figcaption{position:absolute;bottom:0;left:0;right:0;background:#10232bde;padding:20px 28px;font-size:14px;display:flex;justify-content:space-between;align-items:center;gap:20px}.hero-photo figcaption span{color:#c9d5d9;font-size:12px;max-width:170px;line-height:1.5}.sector-band{padding:24px 0;border-top:1px solid #ffffff30}.sector-band .wrap{display:flex;justify-content:center;align-items:center;gap:20px;flex-wrap:wrap}.sector-band p{font-size:15px;color:#c9d5d9}.sectors{display:flex;gap:22px;flex-wrap:wrap;justify-content:center;font-size:15px}.sectors span+span{padding-left:22px;border-left:1px solid #ffffff40}
.intro{padding:86px 0;display:grid;grid-template-columns:1.08fr 1fr;gap:100px}.intro h2{font-size:57px;line-height:1.03;max-width:520px}.intro p{font-size:19px;color:var(--muted);max-width:510px}.intro .text-link{margin-top:20px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:48px;margin-bottom:42px}.section-heading h2{font-size:65px;line-height:1.02}.section-heading>p{max-width:340px;color:var(--muted);font-size:17px}.specialties{background:var(--paper);padding:80px 0 88px}.service-grid{display:grid;grid-template-columns:1fr 1fr;gap:42px 32px}.service-tile{min-width:0}.service-image{position:relative;aspect-ratio:2.05;overflow:hidden}.service-image img{width:100%;height:100%;object-fit:cover}.service-copy{padding:24px 0 0}.service-title{display:flex;align-items:center;justify-content:space-between;gap:20px}.service-title h3{font-size:36px;line-height:1.04}.material{font-size:13px;color:var(--muted);white-space:nowrap}.service-copy>p{margin-top:15px;font-size:17px;color:var(--muted);max-width:520px}.service-copy .text-link{margin-top:12px;font-size:14px}
.approach{display:grid;grid-template-columns:1fr 1.05fr;background:var(--ink);color:white}.approach-copy{padding:78px max(48px,calc((100vw - 1264px)/2)) 78px 48px;display:flex;flex-direction:column;justify-content:center}.approach-copy h2{font-size:64px;line-height:1.03}.approach-copy p{margin:24px 0;color:#d0dadd;font-size:18px;max-width:480px}.approach-copy .text-link{align-self:flex-start}.approach-copy .text-link:hover{color:var(--accent)}.approach-photo{position:relative;min-height:470px}.approach-photo img{width:100%;height:100%;object-fit:cover}.approach-photo figcaption{position:absolute;left:22px;bottom:22px;background:#10232be8;padding:10px 14px;font-size:13px}
.works{padding:86px 0}.work-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:24px}.photo-button{border:0;padding:0;display:block;position:relative;background:var(--paper);width:100%;overflow:hidden}.photo-button img{width:100%;height:270px;object-fit:cover}.photo-button:hover img{opacity:.88}.photo-zoom{position:absolute;right:12px;bottom:12px;background:white;color:var(--ink);width:44px;height:44px;display:grid;place-items:center}.work figcaption{padding-top:16px}.work h3{font-family:Barlow,Arial,sans-serif;font-size:18px;font-weight:600;line-height:1.35}.work figcaption p{margin-top:5px;font-size:13px;color:var(--muted)}.archive-note{margin-top:32px;padding-top:20px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
.contact{background:var(--ink);color:white;padding:78px 0 0}.contact-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:90px}.contact h2{font-size:76px;line-height:1}.contact-intro>p{margin-top:25px;font-size:18px;color:#ced8da;max-width:420px}.contact-actions{padding-top:8px}.contact-label{font-size:15px;color:#ced8da}.phone-link{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:clamp(28px,3.1vw,43px);font-weight:600;font-variant-numeric:tabular-nums;min-height:86px;border-bottom:1px solid #ffffff50}.phone-link:hover{color:var(--accent)}.phone-link svg{height:28px;width:28px}.contact-status{margin-top:14px;font-size:13px;color:#ced8da}.presentation{margin-top:30px;display:inline-flex;gap:14px;align-items:center;min-height:48px;padding-bottom:7px;border-bottom:1px solid #ffffff50}.presentation span{display:block;font-size:12px;margin-top:4px;color:#ced8da}.presentation:hover{color:var(--accent)}footer{margin-top:80px;border-top:1px solid #ffffff35;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:28px 0;font-size:13px;color:#ced8da}footer>a{display:flex;align-items:center;min-height:44px;gap:14px}.footer-brand{font-size:21px;font-weight:600;color:white}dialog{border:0;padding:0;max-width:min(1100px,92vw);max-height:90dvh;background:white;color:var(--ink)}dialog::backdrop{background:#06141de6}dialog img{max-height:72dvh;max-width:100%;width:auto;object-fit:contain;margin:auto}.modal-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 22px;font-size:15px}.modal-bottom button{min-height:44px;border:1px solid var(--line);padding:8px 14px;background:var(--paper)}
@media(min-width:1600px){.hero{min-height:700px}.hero-copy{padding-right:70px}.hero-photo>img{object-position:42% center}}
@media(max-width:1050px){.wrap{width:calc(100% - 64px)}.header-inner{gap:24px}.site-header nav{gap:20px}.hero-copy{padding:54px 32px}.hero h1{font-size:76px}.hero-copy>p{font-size:17px}.hero{min-height:590px;grid-template-columns:49% 51%}.intro{gap:50px}.intro h2{font-size:51px}.intro p{font-size:17px}.service-title{display:block}.material{display:block;margin-top:10px}.approach-copy{padding:50px 32px}.approach-copy h2{font-size:54px}.photo-button img{height:240px}.contact-grid{gap:50px}.contact h2{font-size:66px}}
@media(max-width:760px){html{scroll-padding-top:90px}.wrap{width:calc(100% - 40px)}.header-inner{height:80px}.brand img{width:86px;height:62px}.menu-button{display:block}.site-header nav{display:none;position:absolute;top:80px;left:0;right:0;background:white;border-bottom:1px solid var(--line);padding:20px;gap:0}.site-header nav.open{display:flex;flex-direction:column;align-items:stretch}.site-header nav>a{min-height:52px}.site-header .nav-contact{margin-top:12px;justify-content:space-between}.hero{grid-template-columns:1fr;min-height:0}.hero-copy{padding:44px 20px 42px}.hero h1{font-size:clamp(57px,12.7vw,84px);max-width:580px}.hero-copy>p{max-width:420px;font-size:17px;margin-top:22px}.hero-actions{margin-top:24px;gap:12px 20px}.hero-actions .button{font-size:15px;padding:15px 18px}.hero-photo{height:auto;aspect-ratio:4/3}.hero-photo>img{object-position:42% center}.hero-photo figcaption{padding:14px 20px;font-size:13px}.hero-photo figcaption span{font-size:11px;max-width:125px}.sector-band{padding:20px 0}.sector-band .wrap{display:flex;gap:10px}.sector-band p{font-size:13px;margin:0;flex-basis:100%;text-align:center}.sectors{gap:12px;font-size:13px}.sectors span+span{padding-left:12px}.intro{padding:56px 0;grid-template-columns:1fr;gap:24px}.intro h2{font-size:45px}.intro p{font-size:17px}.specialties,.works{padding:56px 0}.section-heading{display:block;margin-bottom:30px}.section-heading h2{font-size:50px}.section-heading>p{margin-top:18px;font-size:16px}.service-grid{grid-template-columns:1fr;gap:34px}.service-copy{padding-top:20px}.service-title h3{font-size:34px}.service-copy>p{font-size:16px}.service-image{aspect-ratio:1.85}.approach{grid-template-columns:1fr}.approach-photo{height:300px;min-height:0}.approach-copy{padding:42px 20px 48px}.approach-copy h2{font-size:49px}.approach-copy p{font-size:17px}.work-grid{grid-template-columns:1fr;gap:30px}.photo-button img{height:auto;aspect-ratio:1.55}.archive-note{font-size:13px;margin-top:26px}.contact{padding-top:52px}.contact-grid{grid-template-columns:1fr;gap:30px}.contact h2{font-size:59px}.contact-intro>p{font-size:17px;margin-top:20px}.phone-link{font-size:34px;min-height:74px}.contact-status{font-size:12px}.presentation{margin-top:22px}footer{margin-top:46px;flex-wrap:wrap;gap:5px 20px;padding:20px 0}.footer-brand{flex-basis:100%;margin-bottom:12px}.modal-bottom{font-size:13px;padding:12px;gap:12px}}
@media(max-width:360px){.hero h1{font-size:56px}.hero-photo{height:auto}.hero-photo figcaption{gap:12px}.sector-band .sectors{gap:8px}.sectors span+span{padding-left:8px}.sectors{font-size:12px}.contact h2{font-size:53px}.phone-link{font-size:28px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

.media-credit{position:absolute;bottom:0;left:0;right:0;padding:8px 12px;background:#10232bdf;color:white;font-size:11px;line-height:1.5}.approach-media{min-width:0;display:flex;flex-direction:column;justify-content:center;background:#071820}.approach-media video{display:block;width:100%;height:auto;aspect-ratio:16/9;background:#000}.approach-media figcaption{padding:14px 22px;color:#ced8da;font-size:13px}.photo-button img{object-fit:contain;background:#eef1ef}.work-grid{grid-template-columns:repeat(3,minmax(0,1fr));row-gap:34px}@media(max-width:760px){.work-grid{grid-template-columns:1fr}.approach-media figcaption{padding:12px 20px}.photo-button img{aspect-ratio:auto;height:auto}}

/* Portada: cuatro especialidades en una composición 2 × 2. */
.hero-mosaic{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:repeat(2,minmax(0,1fr));gap:4px;min-width:0;min-height:0;align-self:stretch;background:var(--ink)}
.hero-specialty{position:relative;min-width:0;min-height:0;overflow:hidden;background:#273e46}
.hero-specialty img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-specialty figcaption{position:absolute;left:0;right:0;bottom:0;padding:40px 22px 18px;background:linear-gradient(180deg,transparent,#10232bf2);color:white;font-size:20px;font-weight:600;line-height:1.25;text-wrap:balance}
.hero-specialty-geomembranas img{object-position:58% 58%}
.hero-specialty-piping img{object-position:43% 62%}
.hero-specialty-montaje img{object-position:48% 55%}
.hero-specialty-civiles img{object-position:42% center}
@media(max-width:1050px){.hero-specialty figcaption{font-size:17px;padding:36px 17px 16px}}
@media(max-width:760px){.hero-mosaic{width:100%;aspect-ratio:1;gap:3px}.hero-specialty figcaption{font-size:16px;padding:32px 14px 13px}}
@media(max-width:360px){.hero-specialty figcaption{font-size:14px;padding:28px 12px 12px}}

/* Contacto empresarial confirmado. */
.email-link{display:block;margin:10px 0 28px;color:inherit;font-size:clamp(19px,3vw,30px);line-height:1.3;overflow-wrap:anywhere;text-decoration:underline;text-underline-offset:.2em}

/* Servicios complementarios y primer contacto laboral. */
.site-header nav{gap:22px;font-size:14px}
.industrial-services{padding:86px 0}.industrial-services .section-heading>p{max-width:380px}.industrial-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}.industrial-card{padding:28px;background:var(--paper);border-top:2px solid var(--ink);min-width:0}.industrial-card h3{font-size:38px;line-height:1.08;margin:16px 0}.industrial-card p,.industrial-next p{font-size:17px;color:var(--muted)}.industrial-next{display:flex;justify-content:space-between;align-items:center;gap:40px;margin-top:30px}.industrial-next p{max-width:760px}.industrial-next a{flex-shrink:0}
.careers{background:var(--paper);padding:80px 0}.careers-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px}.eyebrow{font-size:14px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:20px}.careers h2{font-size:76px;line-height:1}.careers-copy>p:not(.eyebrow){font-size:18px;color:var(--muted);max-width:470px;margin-top:24px}.careers-copy .careers-note{font-size:14px!important}.careers form{min-width:0}.careers label{display:block;font-weight:600;margin-bottom:8px}.careers input,.careers textarea{display:block;box-sizing:border-box;width:100%;font:inherit;color:var(--ink);background:white;border:1px solid #7f9297;border-radius:0;padding:13px 14px;margin:0 0 22px;min-height:48px}.careers textarea{resize:vertical;min-height:160px}.careers input:focus-visible,.careers textarea:focus-visible{outline:3px solid #347b43;outline-offset:3px}.careers .form-help{font-size:14px;line-height:1.6;color:var(--muted);margin:0 0 20px}.careers button{border:0}.careers-draft{margin-top:24px;border-top:1px solid var(--line);padding-top:22px;overflow-wrap:anywhere}.careers-draft p[role=status]{font-size:16px}.careers-draft .text-link{margin:10px 0 14px}.careers .form-help a{text-decoration:underline;text-underline-offset:3px}
@media(min-width:761px) and (max-width:1100px){.site-header nav{gap:12px;font-size:12px}.header-inner{gap:20px}.site-header .nav-contact{padding-inline:16px;gap:12px}}
@media(max-width:760px){.site-header nav{font-size:15px;gap:0;max-height:calc(100dvh - 80px);overflow-y:auto}.industrial-services,.careers{padding:56px 0}.industrial-grid,.careers-grid{grid-template-columns:1fr;gap:28px}.industrial-card{padding:24px}.industrial-card h3{font-size:34px}.industrial-next{display:block;margin-top:24px}.industrial-next a{margin-top:14px}.careers h2{font-size:59px}.careers-copy>p:not(.eyebrow){font-size:17px}.careers-copy .careers-note{font-size:13px!important}}

.industrial-next h3{font-size:30px;line-height:1.1;margin-bottom:10px}