:root{--navy:#06182b;--navy2:#0b2747;--yellow:#f5b400;--silver:#aab3bf;--ink:#0b1726;--muted:#5f6b78;--soft:#f4f6f8;--white:#fff;--line:#dfe4ea;--shadow:0 16px 38px rgba(6,24,43,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6}img{display:block;max-width:100%}a{color:inherit;text-decoration:none}.container{width:min(1180px,calc(100% - 40px));margin:auto}.skip-link{position:absolute;left:-999px}.skip-link:focus{left:15px;top:15px;z-index:999;background:#fff;padding:10px 14px}
.topbar{background:var(--navy);color:#fff;font-size:13px}.topbar .container{display:flex;justify-content:space-between;align-items:center;min-height:34px}.topbar a{margin-right:20px}.socials{display:flex;gap:15px;color:var(--yellow);font-weight:700}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}.nav-wrap{display:flex;align-items:center;justify-content:space-between;min-height:94px}.brand{display:flex;align-items:center}.brand img{width:315px;height:auto}.main-nav{display:flex;align-items:center;gap:28px;font-size:14px;font-weight:700;text-transform:uppercase}.main-nav a{position:relative}.main-nav a:not(.nav-cta):after{content:"";position:absolute;left:0;bottom:-10px;width:0;height:2px;background:var(--yellow);transition:.25s}.main-nav a:hover:after,.main-nav a.active:after{width:100%}.nav-cta{background:var(--yellow);padding:12px 16px;color:var(--navy)}.menu-toggle{display:none;background:none;border:0;width:42px}.menu-toggle span{display:block;height:2px;background:var(--navy);margin:7px 0}
.home-hero{position:relative;min-height:610px;display:flex;align-items:center;color:#fff;overflow:hidden}.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,24,43,.96) 0%,rgba(6,24,43,.78) 45%,rgba(6,24,43,.22) 100%)}.hero-content{position:relative;z-index:2;padding:95px 0 130px;max-width:720px;margin-left:max(20px,calc((100vw - 1180px)/2))}.eyebrow{font-weight:800;letter-spacing:.16em;text-transform:uppercase;font-size:12px;color:var(--yellow);margin:0 0 12px}.hero-content h1,.inner-hero h1{font-family:"Space Grotesk",sans-serif;font-size:clamp(42px,5.3vw,74px);line-height:1.02;text-transform:uppercase;margin:0 0 24px;letter-spacing:-.03em}.hero-content h1 span{color:var(--yellow)}.hero-copy{max-width:610px;font-size:18px;color:#e9eef4}.actions{display:flex;gap:16px;margin-top:30px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 20px;font-weight:800;text-transform:uppercase;font-size:13px;border:1px solid transparent}.btn-yellow{background:var(--yellow);color:var(--navy)}.btn-outline{border-color:rgba(255,255,255,.55);color:#fff}.hero-services{position:absolute;z-index:3;left:0;right:0;bottom:0;background:rgba(6,24,43,.94);border-top:1px solid rgba(255,255,255,.16)}.hero-service-grid{display:grid;grid-template-columns:repeat(7,1fr)}.hero-service-grid a{padding:20px 12px;text-align:center;border-right:1px solid rgba(255,255,255,.12);color:#fff;font-size:12px;font-weight:800;text-transform:uppercase}.hero-service-grid a:last-child{border-right:0}.service-icon{display:grid;place-items:center;width:48px;height:48px;margin:0 auto 9px;color:var(--yellow)}.service-icon svg{width:44px;height:44px;stroke:currentColor;fill:none;stroke-width:1.6}
.section{padding:84px 0}.section-title{display:flex;justify-content:space-between;gap:40px;align-items:end;margin-bottom:32px}.section-title h2,.about-copy h2,.cta-banner h2{font-family:"Space Grotesk",sans-serif;font-size:clamp(32px,4vw,52px);line-height:1.08;margin:0;color:var(--navy)}.section-title p{max-width:570px;color:var(--muted);margin:0}.heading-line:after{content:"";display:block;width:62px;height:4px;background:var(--yellow);margin-top:14px}
.about-home{background:#fff}.about-grid{display:grid;grid-template-columns:.9fr 1.3fr .9fr;gap:34px;align-items:stretch}.about-photo img{height:100%;object-fit:cover;min-height:430px}.about-copy{padding:20px 0}.about-copy p{color:var(--muted)}.quality-card{background:var(--navy);padding:32px;color:#fff;display:flex;flex-direction:column;justify-content:center}.quality-card article{display:grid;grid-template-columns:46px 1fr;gap:14px;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.14)}.quality-card article:last-child{border-bottom:0}.quality-card b{color:var(--yellow);font-size:28px}.quality-card h3{margin:0 0 4px;font-size:17px}.quality-card p{margin:0;color:#cbd5df;font-size:14px}
.services-home{background:var(--soft)}.service-cards{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}.service-card{background:#fff;box-shadow:var(--shadow);overflow:hidden;transition:.25s}.service-card:hover{transform:translateY(-5px)}.service-card>img{height:150px;width:100%;object-fit:cover}.service-card-body{text-align:center;padding:20px 14px 24px}.service-card-body .service-icon{color:var(--navy);margin-top:-42px;background:#fff;border-radius:50%;width:68px;height:68px;box-shadow:0 6px 18px rgba(0,0,0,.12)}.service-card h3{font-size:14px;line-height:1.25;text-transform:uppercase;color:var(--navy)}.service-card p{font-size:12px;color:var(--muted)}.center{text-align:center;margin-top:34px}
.projects-home{background:#fff}.project-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}.project-mini img{width:100%;height:170px;object-fit:cover}.project-mini h3{font-size:15px;text-transform:uppercase;margin:14px 0 3px;color:var(--navy)}.project-mini p{font-size:12px;color:var(--muted);margin:0}.project-mini{position:relative}.project-mini:after{content:"";display:block;width:36px;height:3px;background:var(--yellow);margin-top:10px}
.cta-banner{background:var(--navy);color:#fff;padding:34px 0}.cta-banner .container{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta-banner h2{color:#fff;font-size:30px}.cta-banner p{margin:0;color:#cbd5df}
.site-footer{background:#f7f8fa}.footer-main{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:36px;padding:58px 0}.footer-logo{width:280px}.footer-main h4{color:var(--navy);margin:0 0 14px}.footer-main a,.footer-main span{display:block;color:var(--muted);margin:7px 0;font-size:14px}.footer-main p{color:var(--muted);max-width:350px}.footer-bottom{border-top:1px solid var(--line);display:flex;justify-content:space-between;padding:18px 0;font-size:12px;color:var(--muted)}.wa-float{position:fixed;right:22px;bottom:22px;width:54px;height:54px;border-radius:50%;display:grid;place-items:center;background:#25d366;color:#fff;font-weight:900;z-index:90;box-shadow:0 10px 24px rgba(0,0,0,.2)}
.inner-hero{position:relative;min-height:420px;display:flex;align-items:end;color:#fff}.inner-hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.inner-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,24,43,.94),rgba(6,24,43,.28))}.inner-hero .container{position:relative;z-index:2;padding-bottom:62px}.inner-hero h1{max-width:900px;font-size:clamp(40px,5vw,66px)}.inner-hero p{max-width:620px}.case-head{display:grid;grid-template-columns:1fr 1fr;gap:50px;margin-bottom:34px}.case-head h2{font-family:"Space Grotesk";font-size:42px;margin:0;color:var(--navy)}.mosaic{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.mosaic img{width:100%;height:230px;object-fit:cover}.mosaic .wide{grid-column:span 2}.case-dark{background:var(--navy);color:#fff}.case-dark h2{color:#fff}.two-gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.two-gallery img{width:100%;height:330px;object-fit:cover}.three-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.three-gallery img{width:100%;height:280px;object-fit:cover}.three-gallery figcaption{padding:12px 0;font-weight:700}.soft{background:var(--soft)}
.service-list article{display:grid;grid-template-columns:70px 1fr 330px;gap:30px;align-items:center;padding:28px 0;border-bottom:1px solid var(--line)}.service-list article>span{font-size:34px;color:var(--yellow);font-family:"Space Grotesk"}.service-list h2{font-size:30px;color:var(--navy);margin:0 0 8px}.service-list p{color:var(--muted);margin:0}.service-list img{width:100%;height:190px;object-fit:cover}.story-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px}.process{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:45px}.process article{padding:28px;background:var(--soft)}.process span{color:var(--yellow);font-weight:800}.values{background:var(--navy);color:#fff}.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.value-grid article{border-top:3px solid var(--yellow);padding-top:22px}.contact-page{display:grid;grid-template-columns:1fr 1fr;min-height:760px}.contact-photo img{width:100%;height:100%;object-fit:cover}.contact-panel{padding:70px max(35px,calc((100vw - 1180px)/2));padding-left:60px;background:var(--navy);color:#fff}.contact-panel h1{font-size:54px;line-height:1.05}.contact-panel form{display:grid;grid-template-columns:1fr 1fr;gap:16px}.contact-panel label{font-size:13px}.contact-panel input,.contact-panel select,.contact-panel textarea{width:100%;padding:12px;border:1px solid #53667b;background:#0c2949;color:#fff;margin-top:5px}.contact-panel textarea,.contact-panel button{grid-column:1/-1}.contact-data{margin-top:25px}.contact-data a,.contact-data span{display:block;margin:6px 0}.legal{min-height:55vh}.narrow{max-width:800px}
@media(max-width:980px){.brand img{width:250px}.main-nav{display:none;position:absolute;top:94px;left:0;right:0;background:#fff;flex-direction:column;padding:24px;box-shadow:var(--shadow)}.main-nav.open{display:flex}.menu-toggle{display:block}.hero-service-grid,.service-cards{grid-template-columns:repeat(3,1fr)}.about-grid{grid-template-columns:1fr 1fr}.quality-card{grid-column:1/-1}.project-strip{grid-template-columns:repeat(3,1fr)}.footer-main{grid-template-columns:1fr 1fr}.service-list article{grid-template-columns:55px 1fr}.service-list img{grid-column:2}.contact-page{grid-template-columns:1fr}.contact-photo{height:340px}}
@media(max-width:640px){.topbar .container{flex-direction:column;padding:7px 0}.brand img{width:220px}.nav-wrap{min-height:82px}.main-nav{top:82px}.home-hero{min-height:760px}.hero-content{padding:80px 20px 260px;margin:0}.hero-service-grid{grid-template-columns:repeat(2,1fr)}.hero-service-grid a{padding:13px 6px}.service-icon{width:38px;height:38px}.section{padding:58px 0}.section-title,.cta-banner .container{display:block}.about-grid,.service-cards,.project-strip,.case-head,.story-grid,.process,.value-grid,.three-gallery,.two-gallery,.mosaic{grid-template-columns:1fr}.project-strip{gap:28px}.service-cards{grid-template-columns:1fr 1fr}.about-photo img{min-height:300px}.footer-main{grid-template-columns:1fr}.footer-bottom{display:block}.case-head{gap:10px}.mosaic .wide{grid-column:auto}.service-list article{grid-template-columns:45px 1fr}.service-list img{grid-column:1/-1}.contact-panel{padding:50px 24px}.contact-panel form{grid-template-columns:1fr}.contact-panel textarea,.contact-panel button{grid-column:auto}.contact-panel h1{font-size:42px}}

/* ===== ELHISA V3 · Ajustes visuales aprobados ===== */
.site-header{background:#fff}
.nav-wrap{min-height:122px}
.brand img{width:min(390px,34vw);max-height:92px;object-fit:contain}
.main-nav{gap:34px}
.main-nav a{font-size:12px}
.home-hero{min-height:510px;align-items:stretch}
.hero-bg{object-position:72% center}
.hero-overlay{background:linear-gradient(90deg,#06182b 0%,#06182b 48%,rgba(6,24,43,.88) 52%,rgba(6,24,43,.08) 72%,rgba(6,24,43,0) 100%)}
.hero-content{display:flex;flex-direction:column;justify-content:center;padding:48px 0;max-width:690px}
.hero-content h1{font-size:clamp(40px,4.35vw,65px);line-height:1.08;margin-bottom:18px}
.hero-copy{font-size:16px;max-width:590px;margin:0}
.actions{margin-top:24px}
.services-home{padding-top:34px;background:#fff}
.services-home .section-title{display:block;text-align:center;margin-bottom:24px}
.services-home .section-title>div{width:100%}
.services-home .section-title h2{display:none}
.services-home .section-title>p{display:none}
.services-home .eyebrow{font-size:14px;letter-spacing:.24em;margin-bottom:8px}
.services-home .eyebrow:after{content:"";display:block;width:42px;height:2px;background:var(--yellow);margin:10px auto 0}
.service-cards{gap:16px}
.service-card{border:1.5px solid rgba(245,180,0,.92);border-radius:8px;box-shadow:0 7px 20px rgba(6,24,43,.08);overflow:visible;background:#fff}
.service-card>img{height:166px;border-radius:7px 7px 0 0;display:block}
.service-card-body{position:relative;padding:48px 15px 22px;min-height:205px}
.service-card-body .service-icon{position:absolute;left:50%;top:0;transform:translate(-50%,-50%);margin:0;width:76px;height:76px;background:#fff;border:2px solid var(--yellow);box-shadow:0 7px 16px rgba(6,24,43,.14);z-index:2}
.service-card-body .service-icon svg{width:48px;height:48px;stroke-width:1.7}
.service-card h3{font-size:14px;min-height:36px;margin:0 0 13px;display:flex;align-items:center;justify-content:center}
.service-card p{font-size:12px;line-height:1.55;margin:0 auto;max-width:165px}
.service-card p:after{content:"";display:block;width:34px;height:2px;background:var(--yellow);margin:15px auto 0}
.service-card:hover{transform:translateY(-5px);box-shadow:0 14px 28px rgba(6,24,43,.13)}
.trust-bar{display:grid;grid-template-columns:repeat(4,1fr);background:var(--navy);color:#fff;border-radius:8px;margin-top:18px;padding:16px 18px}
.trust-bar article{display:grid;grid-template-columns:56px 1fr;align-items:center;gap:12px;padding:0 17px;border-right:1px solid rgba(255,255,255,.28)}
.trust-bar article:last-child{border-right:0}
.trust-bar article>span{width:50px;height:50px;border:2px solid var(--yellow);border-radius:50%;display:grid;place-items:center;color:var(--yellow);font-size:22px}
.trust-bar h3{font-size:14px;text-transform:uppercase;color:var(--yellow);margin:0 0 3px}
.trust-bar p{font-size:12px;color:#fff;margin:0;line-height:1.35}
.services-home .center{margin-top:26px}
@media(max-width:1100px){.main-nav{gap:20px}.brand img{width:300px}.service-card>img{height:145px}.trust-bar{grid-template-columns:1fr 1fr;gap:16px}.trust-bar article:nth-child(2){border-right:0}}
@media(max-width:980px){.nav-wrap{min-height:94px}.brand img{width:260px}.home-hero{min-height:560px}.hero-overlay{background:linear-gradient(90deg,rgba(6,24,43,.97),rgba(6,24,43,.72))}.hero-content{padding:60px 24px;margin:0}.service-cards{grid-template-columns:repeat(3,1fr)}}
@media(max-width:640px){.home-hero{min-height:590px}.hero-content{padding:50px 20px}.hero-content h1{font-size:39px}.actions{flex-direction:column;align-items:flex-start}.service-cards{grid-template-columns:1fr 1fr;gap:13px}.service-card>img{height:135px}.service-card-body{padding:43px 9px 18px;min-height:218px}.service-card-body .service-icon{width:66px;height:66px}.service-card-body .service-icon svg{width:40px;height:40px}.service-card h3{font-size:12px}.service-card p{font-size:11px}.trust-bar{grid-template-columns:1fr;padding:17px}.trust-bar article,.trust-bar article:nth-child(2){border-right:0;border-bottom:1px solid rgba(255,255,255,.22);padding:12px 0}.trust-bar article:last-child{border-bottom:0}}

@media(max-width:1280px) and (min-width:981px){.service-cards{grid-template-columns:repeat(4,1fr);max-width:1100px}.service-card:nth-child(n+5){transform:none}.service-card h3{min-height:48px}}

/* V4: ocho servicios, incluyendo Gas LP */
@media(min-width:1281px){.service-cards{grid-template-columns:repeat(4,1fr);max-width:1180px}.service-card>img{height:180px}}