:root {
  --navy:#082d58;
  --blue:#0576d9;
  --blue-2:#20a3ff;
  --ink:#172638;
  --muted:#657386;
  --line:#dfe7ef;
  --soft:#f4f7fa;
  --white:#fff;
  --shadow:0 18px 45px rgba(5,37,72,.13);
  --radius:18px;
  --max:1200px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.55} a{text-decoration:none;color:inherit} img{display:block;max-width:100%}
.container{width:min(var(--max),calc(100% - 40px));margin:auto}.section{padding:76px 0}.section.soft{background:var(--soft)}
.eyebrow{font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;font-weight:800;color:var(--blue);margin:0 0 10px}.section-title{font-size:clamp(2rem,4vw,3.25rem);line-height:1.08;margin:0 0 18px;color:var(--navy)}.lead{font-size:1.1rem;color:var(--muted);max-width:760px}.muted{color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:8px;padding:13px 20px;font-weight:800;font-size:.9rem;border:1px solid transparent;transition:.2s}.btn.primary{background:var(--blue);color:#fff}.btn.primary:hover{background:#005fb8;transform:translateY(-1px)}.btn.outline{border-color:var(--blue);color:var(--blue);background:#fff}.btn.outline:hover{background:#eef7ff}
header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid #edf1f5}.nav{height:96px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;flex:0 0 auto}.brand img{display:block;width:420px;height:92px;object-fit:contain;object-position:left center}.menu{display:flex;align-items:center;gap:28px;font-size:.82rem;font-weight:800;color:#263a50}.menu a{padding:37px 0 32px;border-bottom:3px solid transparent}.menu a:hover,.menu a.active{color:var(--blue);border-color:var(--blue)}.nav-cta{background:var(--navy);color:#fff;border-radius:8px;padding:12px 16px;font-size:.82rem;font-weight:800}.menu-toggle{display:none;background:none;border:0;font-size:1.8rem;color:var(--navy)}
.hero{min-height:610px;position:relative;display:flex;align-items:center;color:white;overflow:hidden}.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,25,49,.94) 0%,rgba(3,25,49,.78) 42%,rgba(3,25,49,.13) 75%),url('images/hero-valvulas-campo.png') center/cover no-repeat}.hero .container{position:relative;z-index:2}.hero-copy{max-width:700px}.hero h1{font-size:clamp(2.4rem,5vw,4.45rem);line-height:1.04;margin:0 0 20px}.hero h1 span{color:#54baf5}.hero p{font-size:1.16rem;max-width:670px;color:#ecf4fb;margin-bottom:28px}.hero .eyebrow{color:#72c6fa}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.trust{background:#fff;border-bottom:1px solid var(--line)}.trust-grid{display:grid;grid-template-columns:repeat(5,1fr)}.trust-item{padding:26px 18px;display:flex;gap:12px;border-right:1px solid var(--line)}.trust-item:last-child{border-right:0}.trust-icon{font-size:1.7rem;color:var(--blue)}.trust-item b{display:block;color:var(--navy);font-size:.85rem}.trust-item span{font-size:.78rem;color:var(--muted)}
.grid{display:grid;gap:22px}.grid.cards{grid-template-columns:repeat(4,1fr)}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 7px 24px rgba(13,45,78,.06)}.card img{width:100%;aspect-ratio:4/3;object-fit:cover}.card-body{padding:20px}.card h3{margin:0 0 8px;color:var(--navy);font-size:1.08rem}.card p{margin:0 0 15px;color:var(--muted);font-size:.9rem}.card-link{color:var(--blue);font-weight:800;font-size:.82rem}
.two-col{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}.image-panel{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.image-panel img{width:100%;aspect-ratio:5/4;object-fit:cover}.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:28px 0}.feature{padding:16px;border:1px solid var(--line);border-radius:12px;background:#fff}.feature b{color:var(--navy);display:block;margin-bottom:5px}.feature span{font-size:.9rem;color:var(--muted)}
.band{background:linear-gradient(90deg,#052847,#073a68);color:#fff}.band .section-title{color:#fff}.segment-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.segment{padding:18px;border:1px solid rgba(255,255,255,.25);border-radius:10px;text-align:center;font-weight:700;background:rgba(255,255,255,.04)}
.page-hero{padding:105px 0 85px;background:linear-gradient(90deg,rgba(5,34,62,.93),rgba(5,34,62,.55)),url('images/valvulas-grande-porte.png') center/cover;color:#fff}.page-hero h1{font-size:clamp(2.5rem,5vw,4.3rem);margin:0 0 14px}.page-hero p{max-width:760px;font-size:1.12rem;color:#e6eef6}.page-hero .eyebrow{color:#63c1fa}
.service-detail{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;padding:34px 0;border-bottom:1px solid var(--line)}.service-detail img{border-radius:14px;width:100%;aspect-ratio:16/10;object-fit:cover}.service-detail:nth-child(even) img{order:2}.service-detail h2{color:var(--navy);margin-top:0}.checklist{padding:0;list-style:none}.checklist li{margin:10px 0;padding-left:27px;position:relative}.checklist li:before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:900}
.gallery{columns:3 300px;column-gap:18px}.gallery figure{margin:0 0 18px;break-inside:avoid;border-radius:14px;overflow:hidden;background:#eee}.gallery img{width:100%}.gallery figcaption{padding:12px 14px;font-size:.88rem;color:var(--muted);background:#fff;border:1px solid var(--line);border-top:0}
.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px}.contact-card{background:var(--navy);color:#fff;padding:34px;border-radius:var(--radius)}.contact-card h2{margin-top:0}.contact-card .muted{color:#d7e3ee}.form{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form label{font-weight:700;font-size:.86rem;color:var(--navy)}.form input,.form textarea,.form select{width:100%;margin-top:6px;padding:13px 14px;border:1px solid #cfd9e4;border-radius:8px;font:inherit}.form textarea{min-height:150px;resize:vertical}.form .full{grid-column:1/-1}.form-note{font-size:.83rem;color:var(--muted);background:#f4f7fa;padding:12px;border-radius:8px}
footer{background:#062747;color:#d9e4ee;padding:56px 0 24px}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr 1fr;gap:36px}.footer-brand img{display:block;width:420px;max-width:100%;height:98px;object-fit:contain;object-position:left center;margin-bottom:14px}.footer h4{color:#fff;margin-top:0}.footer a{display:block;color:#c9d7e4;margin:7px 0;font-size:.88rem}.footer-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:36px;padding-top:20px;font-size:.8rem;color:#9fb1c1;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.notice{background:#fff7e6;border:1px solid #f0d8a4;color:#6a4d0f;padding:12px 14px;border-radius:8px;font-size:.86rem}
@media (max-width:980px){.menu{position:absolute;display:none;top:96px;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:10px 24px 24px;box-shadow:var(--shadow)}.menu.open{display:flex}.menu a{width:100%;padding:14px 0}.nav-cta{display:none}.menu-toggle{display:block}.trust-grid{grid-template-columns:repeat(2,1fr)}.grid.cards{grid-template-columns:repeat(2,1fr)}.two-col,.contact-grid,.service-detail{grid-template-columns:1fr}.service-detail:nth-child(even) img{order:0}.segment-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.hero::before{background:linear-gradient(90deg,rgba(3,25,49,.95),rgba(3,25,49,.72)),url('images/hero-valvulas-campo.png') center/cover no-repeat}}
@media (max-width:620px){.container{width:min(100% - 28px,var(--max))}.section{padding:54px 0}.hero{min-height:560px}.hero h1{font-size:2.45rem}.trust-grid,.grid.cards,.segment-grid,.footer-grid,.feature-list,.form{grid-template-columns:1fr}.trust-item{border-right:0;border-bottom:1px solid var(--line)}.nav{height:88px}.brand img{width:280px;height:64px}.gallery{columns:1}.page-hero{padding:78px 0 65px}}

.footer-phone{color:#fff;font-weight:700}.footer-phone:hover{text-decoration:underline}
.whatsapp-float{position:fixed;right:24px;bottom:24px;z-index:60;display:flex;align-items:center;gap:9px;background:#25D366;color:#fff;border-radius:999px;padding:12px 16px 12px 13px;box-shadow:0 10px 28px rgba(0,0,0,.24);font-weight:800;font-size:.88rem;transition:transform .2s,box-shadow .2s}.whatsapp-float:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(0,0,0,.3)}.whatsapp-float svg{width:27px;height:27px;flex:0 0 27px}.whatsapp-float-label{white-space:nowrap}
@media (max-width:620px){.whatsapp-float{right:16px;bottom:16px;width:58px;height:58px;padding:0;justify-content:center}.whatsapp-float svg{width:31px;height:31px}.whatsapp-float-label{display:none}}