:root{--blue:#154572;--blue-2:#0e3458;--gold:#ffb536;--green:#00a86b;--ink:#26323b;--muted:#64717c;--snow:#fff;--titanium:#f4f6f8;--line:#dde4e8;--radius:18px;--shadow:0 20px 60px rgba(14,52,88,.14)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:Roboto,Arial,sans-serif;background:#fff;line-height:1.55}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-family:Montserrat,Arial,sans-serif}h1{font-size:clamp(2.35rem,5vw,4.65rem);line-height:1.03;letter-spacing:-.045em;font-weight:600}h2{font-size:clamp(1.85rem,3.2vw,3.25rem);line-height:1.1;letter-spacing:-.035em;font-weight:600}h3{font-size:1.12rem;line-height:1.25;font-weight:600}a{color:inherit}.container{width:min(1180px,calc(100% - 40px));margin-inline:auto}.skip{position:absolute;left:-9999px}.skip:focus{left:20px;top:20px;z-index:99;background:#fff;padding:12px}.site-header{height:82px;display:flex;align-items:center;background:rgba(255,255,255,.96);position:sticky;top:0;z-index:30;border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}.brand-logo{width:190px;height:58px;object-fit:contain}.header-proof{font-size:.85rem;color:var(--muted);display:flex;align-items:center;gap:9px}.proof-dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 5px rgba(0,168,107,.1)}.btn{font:600 .9rem Montserrat,Arial,sans-serif;text-decoration:none;border:0;border-radius:10px;min-height:50px;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:.2s transform,.2s box-shadow,.2s background}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--gold);color:#2c2a23;box-shadow:0 12px 30px rgba(255,181,54,.23)}.btn-primary:hover{background:#ffc153}.btn-outline{border:1px solid var(--blue);color:var(--blue);background:#fff}.btn-ghost{border:1px solid rgba(255,255,255,.6);color:#fff;background:rgba(255,255,255,.08)}.btn-small{min-height:43px;padding-inline:18px}.btn-wide{width:100%}.hero{min-height:750px;position:relative;display:flex;align-items:center;overflow:hidden;background:var(--blue-2);color:#fff}.hero-photo{position:absolute;inset:0;background:url('assets/tubos-aco-carbono.jpg') center/cover no-repeat}.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,39,66,.96) 0%,rgba(8,39,66,.91) 43%,rgba(8,39,66,.5) 73%,rgba(8,39,66,.25) 100%)}.hero-grid{position:relative;display:grid;grid-template-columns:1.17fr .83fr;gap:66px;align-items:center;padding-block:70px}.eyebrow{font:600 .76rem Montserrat,Arial,sans-serif;text-transform:uppercase;letter-spacing:.16em;color:var(--green);margin-bottom:15px}.hero .eyebrow{color:var(--gold)}.hero-copy{max-width:700px}.hero-lead{font-size:1.12rem;line-height:1.65;color:#e8eef3;max-width:650px}.hero-actions{display:flex;gap:12px;margin:28px 0 25px}.hero-points{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:13px 24px;font-size:.82rem;color:#d9e2e8}.hero-points li:before{content:'✓';color:var(--gold);margin-right:8px}.quick-form{background:rgba(255,255,255,.98);color:var(--ink);padding:29px;border-radius:var(--radius);box-shadow:var(--shadow)}.form-kicker{font:600 .72rem Montserrat,Arial,sans-serif;letter-spacing:.14em;text-transform:uppercase;color:var(--green);margin-bottom:7px}.quick-form h2{font-size:1.55rem;letter-spacing:-.02em;margin-bottom:8px}.form-intro{font-size:.88rem;color:var(--muted);line-height:1.45;margin-bottom:19px}form{display:grid;grid-template-columns:1fr 1fr;gap:13px}.field{display:flex;flex-direction:column;gap:6px}.field.full{grid-column:1/-1}.field label{font:600 .72rem Montserrat,Arial,sans-serif;color:#384752}.field input,.field select,.field textarea{width:100%;border:1px solid #cad4da;border-radius:8px;background:#fff;color:var(--ink);font:400 .88rem Roboto,Arial,sans-serif;padding:11px 12px;outline:none}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(21,69,114,.1)}.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:#c83232}.consent{grid-column:1/-1;display:flex;gap:9px;align-items:flex-start;font-size:.73rem;color:var(--muted)}.consent input{margin-top:3px}.quick-form button,.privacy,.form-status{grid-column:1/-1}.privacy{text-align:center;font-size:.68rem;color:#7a8791;margin:0}.form-status{font-size:.8rem;color:var(--blue);text-align:center}.trust-strip{background:#fff;border-bottom:1px solid var(--line)}.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);padding-block:25px}.trust-grid div{padding:4px 20px;border-right:1px solid var(--line);font-size:.76rem;color:var(--muted);text-align:center}.trust-grid div:last-child{border:0}.trust-grid span{display:block;font:600 1.05rem Montserrat,Arial,sans-serif;color:var(--blue);margin-bottom:3px}.section{padding:100px 0}.section-heading{max-width:700px;margin-bottom:42px}.section-heading>p:last-child{color:var(--muted);font-size:1.03rem}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.product-card{min-height:275px;padding:30px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);position:relative;background:#fff}.product-card.featured{background:var(--blue);color:#fff}.product-number{font:500 .72rem Montserrat,Arial,sans-serif;color:var(--green);letter-spacing:.12em;margin-bottom:52px}.featured .product-number{color:var(--gold)}.product-card p{font-size:.9rem;color:var(--muted)}.featured p{color:#dfe9ef !important;}.text-link{border:0;background:none;padding:0;color:var(--blue);font:600 .8rem Montserrat,Arial,sans-serif;cursor:pointer}.featured .text-link{color:var(--gold)}.text-link:after{content:'  →'}.application{background:var(--titanium)}.application-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.application-image{height:530px;overflow:hidden;border-radius:160px 18px 160px 18px}.application-image img{width:100%;height:100%;object-fit:cover}.application-copy>p:not(.eyebrow){color:var(--muted);font-size:1rem}.check-list{margin:28px 0 30px}.check-list div{display:flex;align-items:center;gap:18px;padding:15px 0;border-bottom:1px solid var(--line)}.check-list b{font:500 .76rem Montserrat;color:var(--gold)}.industries{padding-block:82px}.compact{margin-bottom:30px}.industry-list{display:flex;flex-wrap:wrap;gap:10px}.industry-list span{padding:12px 17px;border:1px solid var(--line);border-radius:999px;color:var(--blue);font:500 .78rem Montserrat;background:#fff}.commercial{background:#eef4f6;overflow:hidden}.commercial-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:80px;align-items:center}.commercial-copy{max-width:590px}.commercial-copy>p:not(.eyebrow){color:var(--muted)}.commercial-copy ul{padding-left:20px;margin:25px 0 30px}.commercial-copy li{margin:10px 0}.commercial-photo{margin:0;position:relative}.commercial-photo:before{content:'';position:absolute;width:75%;aspect-ratio:1;border-radius:50%;background:var(--gold);right:-7%;top:-6%;opacity:.85}.commercial-photo img{position:relative;width:100%;max-height:630px;object-fit:cover;object-position:50% 20%;border-radius:170px 20px 20px 20px;display:block}.commercial-photo figcaption{position:absolute;bottom:18px;left:18px;background:#fff;padding:10px 14px;border-radius:8px;font-size:.74rem;color:var(--blue)}.regions{background:#fff}.regions-inner{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.regions-inner>div:first-child p:last-child{color:var(--muted)}.states{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.states span{aspect-ratio:1;display:grid;place-items:center;border-radius:50%;background:var(--titanium);border:1px solid var(--line);font:600 1.1rem Montserrat;color:var(--blue)}.final-cta{background:var(--blue);color:#fff !important;padding-block:76px}.final-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:center}.final-grid h2{margin-bottom:15px}.final-grid>div>p:last-child{color:#dce7ee}.final-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch}.btn-outline-light{border:1px solid rgba(255,255,255,.65);color:#fff}.final-actions p{text-align:center;font-size:.75rem;color:#dce7ee;margin:2px 0 0}footer{background:#102b43;color:#d8e2e9;padding:47px 0 95px}.footer-grid{display:grid;grid-template-columns:.7fr 1.4fr 1fr;gap:55px;align-items:start;font-size:.78rem}.footer-logo{width:190px;filter:brightness(0) invert(1);opacity:.92}.footer-grid a{display:block;text-decoration:none;margin-bottom:8px}.floating-whatsapp{position:fixed;right:22px;bottom:20px;z-index:20;background:var(--green);color:#fff;text-decoration:none;padding:13px 18px;border-radius:999px;font:600 .78rem Montserrat;box-shadow:0 12px 30px rgba(0,0,0,.18)}@media(max-width:900px){.header-proof{display:none}.hero{min-height:auto}.hero-grid,.application-grid,.commercial-grid,.regions-inner,.final-grid{grid-template-columns:1fr}.hero-grid{gap:35px;padding-block:50px}.hero-overlay{background:rgba(8,39,66,.88)}.quick-form{max-width:620px}.trust-grid{grid-template-columns:1fr 1fr}.trust-grid div:nth-child(2){border-right:0}.product-grid{grid-template-columns:1fr 1fr}.application-image{height:380px}.commercial-photo{max-width:520px;margin-inline:auto}.footer-grid{grid-template-columns:1fr 1fr}.footer-logo{grid-column:1/-1}}@media(max-width:600px){.container{width:min(100% - 28px,1180px)}.site-header{height:70px}.brand-logo{width:145px}.btn-small{font-size:.72rem;padding-inline:12px}.hero-grid{padding-block:38px}.hero-actions{flex-direction:column}.hero-points{display:grid;grid-template-columns:1fr 1fr}.quick-form{padding:22px 18px}form{grid-template-columns:1fr}.field{grid-column:1/-1}.trust-grid{grid-template-columns:1fr 1fr}.trust-grid div{padding:12px 7px}.section{padding:72px 0}.product-grid{grid-template-columns:1fr}.product-card{min-height:235px}.application-image{height:320px;border-radius:90px 12px 90px 12px}.commercial-grid{gap:40px}.states{grid-template-columns:repeat(4,1fr)}.footer-grid{grid-template-columns:1fr}.floating-whatsapp{right:14px;bottom:12px}h1{font-size:2.48rem}}