:root{
  --dark:#151515;
  --black:#0d0d0f;
  --coal:#202226;
  --yellow:#f5b316;
  --yellow-2:#ffca3a;
  --blue:#223c96;
  --text:#1b1e23;
  --muted:#69717d;
  --light:#f5f6f8;
  --line:#e3e6eb;
  --white:#fff;
  --shadow:0 18px 45px rgba(13,13,15,.16);
  --soft:0 10px 24px rgba(13,13,15,.08);
  --container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:#f6f7f8;line-height:1.55}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(var(--container),calc(100% - 40px));margin-inline:auto}
.skip-link{position:absolute;left:-999px;top:12px;background:#fff;color:#000;padding:10px 14px;z-index:99}.skip-link:focus{left:12px}

/* Header similar al template: bloque superior blanco + navegación oscura */
.header-top{background:#fff;border-bottom:1px solid var(--line)}
.header-top__grid{min-height:112px;display:grid;grid-template-columns:330px 1fr;align-items:center;gap:26px}
.brand{display:flex;align-items:center;gap:18px;min-width:0}.brand img{width:250px;height:auto}.brand span{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:#737985;font-weight:800;line-height:1.35;border-left:1px solid var(--line);padding-left:14px}
.header-info{display:grid;grid-template-columns:1fr 1fr 1.15fr auto;align-items:center;gap:18px;justify-content:end}.info-item{border-left:1px solid var(--line);padding-left:20px}.info-item strong{display:block;color:#171717;font-size:.92rem;text-transform:uppercase;letter-spacing:.04em}.info-item span,.info-item a{display:block;color:#666f7b;font-size:.92rem}.info-item--phone a{font-size:1.18rem;font-weight:900;color:var(--dark)}
.appointment{background:var(--yellow);color:#141414;display:inline-flex;align-items:center;justify-content:center;min-height:58px;padding:0 26px;font-weight:950;text-transform:uppercase;font-size:.84rem;letter-spacing:.04em;box-shadow:0 8px 0 rgba(0,0,0,.08)}.appointment:hover,.btn--accent:hover{background:var(--yellow-2)}
.nav-bar{background:var(--dark);position:sticky;top:0;z-index:50;box-shadow:0 10px 26px rgba(0,0,0,.18)}.nav-bar__inner{display:flex;align-items:center;justify-content:space-between;min-height:62px}.main-nav{display:flex;align-items:center}.main-nav a{color:#fff;text-transform:uppercase;font-weight:850;font-size:.86rem;letter-spacing:.05em;padding:22px 20px;position:relative}.main-nav a:hover,.main-nav a:focus{background:#232323;color:var(--yellow)}.nav-phone{color:var(--yellow);font-weight:950;letter-spacing:.03em}.nav-toggle{display:none;background:transparent;border:0;width:44px;height:44px}.nav-toggle span{display:block;height:3px;background:#fff;margin:7px 0;border-radius:4px}

.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 24px;font-weight:950;text-transform:uppercase;letter-spacing:.04em;font-size:.83rem;border:2px solid transparent;transition:.2s ease}.btn--accent{background:var(--yellow);color:#111}.btn--light{background:transparent;color:#fff;border-color:rgba(255,255,255,.62)}.btn--light:hover{background:#fff;color:#111}.full{grid-column:1/-1}

/* Hero tipo slider oscuro con texto a la izquierda */
.hero{min-height:640px;position:relative;color:#fff;display:grid;align-items:center;overflow:hidden}.hero__slide{position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.78) 0%,rgba(0,0,0,.55) 45%,rgba(0,0,0,.12) 100%),url('../img/plant-valves-wide.jpg') center/cover no-repeat;transform:scale(1.02)}.hero:after{content:'';position:absolute;right:0;bottom:0;width:42%;height:100%;background:linear-gradient(115deg,transparent 0 40%,rgba(245,179,22,.92) 40% 54%,transparent 54%);opacity:.92}.hero__content{position:relative;z-index:2}.hero__panel{max-width:670px;padding:70px 0}.hero__service{display:inline-flex;background:var(--yellow);color:#111;padding:8px 14px;text-transform:uppercase;font-weight:950;letter-spacing:.08em;font-size:.78rem;margin-bottom:24px}.hero__tel{display:flex;align-items:baseline;gap:10px;margin-bottom:12px}.hero__tel span{font-weight:950;text-transform:uppercase;color:var(--yellow)}.hero__tel a{font-size:1.25rem;font-weight:950;color:#fff}.hero h1{font-size:clamp(2.75rem,5vw,5.15rem);line-height:.96;text-transform:uppercase;letter-spacing:-.045em;margin:0 0 22px;font-weight:950}.hero p{font-size:1.12rem;color:#e8e8e8;max-width:590px;margin:0 0 30px}.hero__actions{display:flex;gap:14px;flex-wrap:wrap}

.section{padding:86px 0}.section-heading{margin-bottom:42px}.section-heading--center{text-align:center;max-width:820px;margin-inline:auto}.section-heading--split{display:flex;align-items:end;justify-content:space-between;gap:42px}.section-heading--split p{max-width:520px;margin:0 0 7px}.kicker{display:inline-block;color:var(--yellow);font-weight:950;text-transform:uppercase;letter-spacing:.09em;font-size:.84rem;margin-bottom:12px}.section h2,.section-heading h2,.shop-cta h2{font-size:clamp(2rem,3.7vw,3.65rem);line-height:1.02;letter-spacing:-.04em;text-transform:uppercase;margin:0 0 18px}.section-heading p{font-size:1.04rem;color:var(--muted);margin-top:0}

.solutions{background:#fff}.solution-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;box-shadow:var(--shadow)}.solution-card{background:#fff;padding:42px 36px;min-height:310px;border-right:1px solid var(--line);position:relative;overflow:hidden}.solution-card:before{content:'';position:absolute;left:0;top:0;width:100%;height:6px;background:var(--yellow)}.solution-card--dark{background:var(--dark);color:#fff}.solution-card__icon{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:#f0f1f3;color:#111;font-weight:950;margin-bottom:24px}.solution-card--dark .solution-card__icon{background:var(--yellow)}.solution-card h3{font-size:1.42rem;line-height:1.13;text-transform:uppercase;margin:0 0 16px}.solution-card p{color:var(--muted);margin:0 0 24px}.solution-card--dark p{color:#cfd3d8}.solution-card a{font-weight:950;text-transform:uppercase;color:var(--yellow);font-size:.82rem}

.what{background:#f6f7f8}.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.service-card{background:#fff;box-shadow:var(--soft);transition:.22s ease}.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}.service-card img{height:185px;width:100%;object-fit:cover}.service-card div{padding:26px 26px 30px}.service-card span{display:block;color:var(--yellow);font-weight:950;margin-bottom:8px}.service-card h3{font-size:1.08rem;text-transform:uppercase;margin:0 0 12px;line-height:1.2}.service-card p{color:var(--muted);margin:0}

.experts{background:#fff}.experts__grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:62px;align-items:center}.experts__copy h2{font-size:clamp(2.15rem,4vw,4rem);line-height:1.0;text-transform:uppercase;letter-spacing:-.045em;margin:0 0 20px}.experts__copy p{color:var(--muted);font-size:1.04rem}.check-list{list-style:none;margin:28px 0 0;padding:0;display:grid;gap:13px}.check-list li{position:relative;padding-left:32px;font-weight:800}.check-list li:before{content:'✓';position:absolute;left:0;top:1px;color:var(--yellow);font-weight:950}.experts__media{position:relative}.experts__main{width:100%;height:530px;object-fit:cover;box-shadow:var(--shadow)}.experts__badge{position:absolute;left:-28px;bottom:34px;background:var(--yellow);color:#111;padding:24px 28px;max-width:285px;box-shadow:var(--shadow)}.experts__badge strong{display:block;font-size:1.55rem;text-transform:uppercase;line-height:1}.experts__badge span{font-weight:800;display:block;margin-top:6px}

.promo-row{padding:0 0 86px;background:#fff}.promo-row__grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.promo-card{min-height:335px;color:#fff;position:relative;display:flex;align-items:end;overflow:hidden;box-shadow:var(--shadow);background:linear-gradient(180deg,rgba(0,0,0,.10),rgba(0,0,0,.78)),var(--bg) center/cover no-repeat}.promo-card:before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(0,0,0,.18),rgba(0,0,0,.66))}.promo-card--yellow:after{content:'';position:absolute;right:-100px;top:-70px;width:300px;height:300px;background:var(--yellow);transform:rotate(45deg);opacity:.95}.promo-card div{position:relative;z-index:2;padding:36px;max-width:520px}.promo-card span{font-weight:950;text-transform:uppercase;color:var(--yellow);font-size:.8rem;letter-spacing:.08em}.promo-card h3{font-size:2rem;line-height:1.05;text-transform:uppercase;margin:10px 0 12px}.promo-card p{color:#e5e5e5}.promo-card a{font-weight:950;color:var(--yellow);text-transform:uppercase}

.shop-cta{background:linear-gradient(90deg,#141414 0%,#202020 72%,var(--yellow) 72%);color:#fff;padding:58px 0}.shop-cta__inner{display:flex;align-items:center;justify-content:space-between;gap:28px}.shop-cta h2{max-width:860px;margin:0;font-size:clamp(1.85rem,3.5vw,3.2rem)}

.projects{background:#f6f7f8}.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.project-card{position:relative;min-height:300px;overflow:hidden;box-shadow:var(--soft);background:#111}.project-card img{width:100%;height:100%;object-fit:cover;transition:.35s ease;position:absolute;inset:0}.project-card:after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.08),rgba(0,0,0,.82))}.project-card div{position:absolute;z-index:2;left:0;right:0;bottom:0;padding:28px;color:#fff}.project-card h3{margin:0 0 8px;text-transform:uppercase;font-size:1.25rem;line-height:1.15}.project-card a{color:var(--yellow);font-weight:950}.project-card:hover img{transform:scale(1.08)}

.process{background:#fff}.process-list{counter-reset:step;list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.process-list li{background:#f7f8fa;border:1px solid var(--line);padding:28px 22px;min-height:218px;position:relative;box-shadow:var(--soft)}.process-list li span{display:inline-grid;place-items:center;background:var(--yellow);width:46px;height:46px;border-radius:50%;font-weight:950;margin-bottom:18px}.process-list strong{display:block;text-transform:uppercase;font-size:1.02rem;line-height:1.16;margin-bottom:10px}.process-list p{margin:0;color:var(--muted)}

.contact{background:#f6f7f8}.contact__grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px}.contact__copy h2{font-size:clamp(2.1rem,4vw,4rem);line-height:1.02;text-transform:uppercase;letter-spacing:-.045em;margin:0 0 18px}.contact__copy p{color:var(--muted);font-size:1.04rem}.contact-data{margin-top:34px;background:#fff;border-top:6px solid var(--yellow);box-shadow:var(--soft);padding:30px}.contact-data h3{margin:0 0 12px;text-transform:uppercase}.contact-data a,.contact-data span{display:block;margin:8px 0;color:#30343b;font-weight:750}.contact-form{background:#fff;box-shadow:var(--shadow);padding:38px;display:grid;grid-template-columns:1fr 1fr;gap:18px}.contact-form label{display:grid;gap:8px;text-transform:uppercase;font-size:.82rem;font-weight:950;color:#2b2f35}.contact-form input,.contact-form textarea{border:1px solid #dfe3ea;background:#f8f9fb;min-height:48px;padding:13px 14px;font:inherit}.contact-form textarea{min-height:140px;resize:vertical}.form-note{grid-column:1/-1;margin:0;color:var(--muted);font-size:.88rem}

.footer{background:#111;color:#c7cbd0}.footer__grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:44px;padding:68px 0}.footer__logo{width:260px;margin-bottom:20px}.footer h3{color:#fff;margin:0 0 18px;text-transform:uppercase}.footer a,.footer span{display:block;color:#c7cbd0;margin:8px 0}.footer a:hover{color:var(--yellow)}.whatsapp-link{display:inline-flex!important;background:#25d366;color:#063b1f!important;font-weight:950;padding:10px 16px;margin-top:8px!important}.footer__bottom{border-top:1px solid rgba(255,255,255,.1);text-align:center;padding:20px;color:#898f98}

@media(max-width:1120px){
  .header-top__grid{grid-template-columns:1fr}.brand{justify-content:center}.header-info{grid-template-columns:repeat(4,auto);justify-content:center}.hero:after{opacity:.45}.process-list{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
  .header-info{grid-template-columns:1fr 1fr}.info-item{border-left:0;border-top:1px solid var(--line);padding:14px 0 0}.appointment{grid-column:1/-1}.nav-toggle{display:block}.main-nav{position:absolute;top:62px;left:0;right:0;background:#151515;display:none;flex-direction:column;align-items:stretch}.main-nav.is-open{display:flex}.main-nav a{border-top:1px solid rgba(255,255,255,.08)}.nav-bar__inner{position:relative}.nav-phone{margin-left:auto;margin-right:12px}.solution-grid,.services-grid,.experts__grid,.promo-row__grid,.project-grid,.contact__grid,.footer__grid{grid-template-columns:1fr 1fr}.section-heading--split,.shop-cta__inner{align-items:flex-start;flex-direction:column}.experts__main{height:420px}
}
@media(max-width:660px){
  .container{width:min(100% - 28px,var(--container))}.header-top__grid{min-height:auto;padding:18px 0}.brand{flex-direction:column;text-align:center;gap:10px}.brand img{width:235px}.brand span{border-left:0;padding-left:0}.header-info{grid-template-columns:1fr;text-align:center}.info-item{padding-top:12px}.nav-phone{display:none}.hero{min-height:600px}.hero__panel{padding:50px 0}.hero h1{font-size:2.55rem}.hero__actions{flex-direction:column;align-items:flex-start}.solution-grid,.services-grid,.experts__grid,.promo-row__grid,.project-grid,.contact__grid,.contact-form,.footer__grid,.process-list{grid-template-columns:1fr}.section{padding:68px 0}.solution-card{min-height:auto}.shop-cta{background:#141414}.promo-card{min-height:310px}.project-card{min-height:260px}.experts__badge{position:relative;left:auto;bottom:auto;margin-top:-28px}.contact-form{padding:26px}.footer__logo{width:230px}
}