*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--blue:#00aeef;--blue-dark:#007db8;--navy:#05283e;--navy-deep:#031c2c;--cyan:#5dd9ff;--ink:#14222b;--gray:#5f6d75;--muted:#8b9aa3;--ice:#e8f6fd;--wash:#f3f7f9;--white:#fff;--border:#d6e0e5;--font:'Inter',sans-serif;--mono:'IBM Plex Mono',monospace;--max:1280px;--radius:8px}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:#fff;line-height:1.6;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit}
h1,h2,h3,p,a,span,strong,small{letter-spacing:0}
h1{font-size:4.4rem;line-height:1.02;font-weight:800}
h2{font-size:3rem;line-height:1.08;font-weight:800}
h3{font-size:1.12rem;line-height:1.25}
p{color:var(--gray)}
.container{width:min(var(--max),calc(100% - 64px));margin:0 auto}
.section{padding:108px 0}
.skip-link{position:fixed;left:16px;top:-80px;background:var(--white);color:var(--navy);padding:10px 16px;z-index:999;border-radius:4px;box-shadow:0 4px 20px #0002}
.skip-link:focus{top:12px}
:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}

/* Header aligned with the current Hidroimagem site */
.nav{position:sticky;top:0;background:#fff;box-shadow:0 1px 4px #0000001a;z-index:100}
.nav-inner{max-width:var(--max);margin:0 auto;padding:0 32px;height:91px;display:flex;align-items:center;gap:8px}
.nav-logo{display:flex;align-items:center;gap:12px;margin-right:auto;flex-shrink:0}
.nav-logo img{height:64px;width:auto;object-fit:contain}
.nav-logo>span{display:flex;flex-direction:column}
.nav-logo-name{font-size:23px;font-weight:700;color:var(--ink)}
.nav-logo-name span{color:var(--blue)}
.nav-logo-sub{font-family:var(--mono);font-size:12px;font-weight:500;color:#9eaab0;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{color:#58595b;padding:6px 13px;border-radius:6px;font-size:14px;font-weight:500;white-space:nowrap;transition:color .18s,background .18s}
.nav-links a:hover{color:var(--blue);background:var(--ice)}
.btn-area-tecnica{margin-left:14px;padding:8px 18px;border:1.5px solid var(--blue);border-radius:7px;color:var(--blue);font-size:13.5px;font-weight:600;white-space:nowrap;transition:.18s}
.btn-area-tecnica:hover{background:var(--blue);color:#fff}
.nav-hamburger{display:none;flex-direction:column;gap:5px;padding:9px;background:transparent;border:0;cursor:pointer}
.nav-hamburger span{display:block;width:22px;height:2px;background:#58666f;border-radius:2px;transition:.2s}
.nav-hamburger[aria-expanded=true] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-hamburger[aria-expanded=true] span:nth-child(2){opacity:0}
.nav-hamburger[aria-expanded=true] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-mobile-menu{display:none;background:#fff;border-top:1px solid var(--border);padding:8px 24px 16px}
.nav-mobile-menu.open{display:block}
.nav-mobile-menu a{display:block;padding:11px 0;color:var(--gray);font-size:14px;font-weight:500;border-bottom:1px solid #edf2f4}
.nav-mobile-menu .menu-tecnica{color:var(--blue);font-weight:700;border:0}

/* Hero */
.hero{position:relative;min-height:calc(100vh - 91px);height:790px;max-height:880px;display:flex;align-items:center;background:var(--navy-deep);overflow:hidden;color:#fff}
.hero-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,28,44,.98) 0%,rgba(3,31,49,.87) 31%,rgba(3,31,49,.25) 62%,rgba(3,31,49,.05) 100%)}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(#72ddff12 1px,transparent 1px),linear-gradient(90deg,#72ddff12 1px,transparent 1px);background-size:72px 72px;mask-image:linear-gradient(90deg,#000,transparent 60%)}
.hero-content{position:relative;z-index:2;padding-bottom:88px}
.hero-content>*{max-width:680px}
.eyebrow{font-family:var(--mono);font-size:12px;font-weight:600;color:var(--blue-dark);text-transform:uppercase;margin-bottom:20px}
.eyebrow::before{content:"";display:inline-block;width:38px;height:1px;background:currentColor;margin-right:12px;vertical-align:middle}
.eyebrow--light{color:var(--cyan)}
.hero h1{color:#fff;margin-bottom:24px}
.hero-lead{font-size:1.55rem;line-height:1.35;font-weight:600;color:#fff;margin-bottom:16px}
.hero-copy{font-size:1.03rem;line-height:1.7;color:#c8d8e1;max-width:610px}
.hero-actions{display:flex;align-items:center;gap:12px;margin-top:32px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:14px;min-height:52px;padding:12px 22px;border:1px solid transparent;border-radius:7px;font-weight:700;font-size:15px;transition:transform .2s,background .2s,color .2s,border-color .2s}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:#20bbf5}
.btn-ghost{border-color:#ffffff66;color:#fff;background:#062c4473;backdrop-filter:blur(8px)}
.btn-ghost:hover{border-color:#fff;background:#fff;color:var(--navy)}
.hero-specs{position:absolute;z-index:3;left:50%;bottom:0;transform:translateX(-50%);width:min(var(--max),calc(100% - 64px));display:grid;grid-template-columns:repeat(4,1fr);background:#fff;color:var(--ink);border-radius:8px 8px 0 0;box-shadow:0 -10px 34px #00111e2e}
.hero-specs div{min-height:104px;padding:23px 28px;border-right:1px solid var(--border);display:flex;flex-direction:column;justify-content:center}
.hero-specs div:last-child{border:0}
.hero-specs strong{font-family:var(--mono);font-size:1.35rem;color:var(--navy)}
.hero-specs span{font-size:12px;color:var(--gray);margin-top:3px}

/* Intro */
.section-intro{background:#fff}
.intro-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(420px,.9fr);gap:84px;align-items:center}
.section-copy h2{max-width:620px;margin-bottom:24px}
.lead{font-size:1.1rem;line-height:1.85;max-width:650px}
.principles{margin-top:42px;border-top:1px solid var(--border)}
.principles>div{display:grid;grid-template-columns:56px 1fr;gap:16px;padding:17px 0;border-bottom:1px solid var(--border);align-items:start}
.principles span{font-family:var(--mono);font-size:12px;color:var(--blue-dark);padding-top:4px}
.principles p{font-size:.96rem}
.principles strong{color:var(--ink)}
.inspection-figure{position:relative;overflow:hidden;border-radius:8px;background:var(--navy);box-shadow:0 24px 70px #15384b24}
.inspection-figure img{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:52% center}
.inspection-figure figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 28px;background:linear-gradient(transparent,rgba(3,28,44,.96));color:#fff;display:flex;flex-direction:column;padding-top:90px}
.inspection-figure figcaption span{font-family:var(--mono);font-size:11px;text-transform:uppercase;color:var(--cyan);margin-bottom:5px}
.inspection-figure figcaption strong{font-size:15px}

/* Findings */
.findings{background:var(--wash);border-top:1px solid #e5ecef;border-bottom:1px solid #e5ecef}
.section-heading{max-width:770px;margin-bottom:52px}
.section-heading h2{margin-bottom:18px}
.section-heading>p:last-child{font-size:1.05rem;line-height:1.75}
.findings-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.finding{position:relative;min-height:260px;background:#fff;border:1px solid var(--border);border-radius:8px;padding:26px;overflow:hidden;transition:transform .25s,border-color .25s,box-shadow .25s}
.finding:hover{transform:translateY(-4px);border-color:#87dafa;box-shadow:0 16px 36px #10425c12}
.finding-code{font-family:var(--mono);font-size:11px;color:var(--blue-dark)}
.finding h3{position:absolute;left:26px;right:26px;bottom:74px;font-size:1.2rem}
.finding p{position:absolute;left:26px;right:26px;bottom:24px;font-size:13px;line-height:1.5}
.finding--accent{background:var(--navy);border-color:var(--navy);color:#fff}
.finding--accent p{color:#a8bdc9}
.finding--accent .finding-code{color:var(--cyan)}
.signal{position:absolute;top:64px;left:26px;right:26px;height:64px;border-top:1px solid #dce6ea;border-bottom:1px solid #dce6ea;opacity:.9}
.signal::before,.signal::after{content:"";position:absolute}
.signal--bars::before{left:7%;right:7%;bottom:14px;height:30px;background:repeating-linear-gradient(90deg,#d7e4e9 0 13%,transparent 13% 18%)}
.signal--bars::after{left:58%;bottom:14px;width:14%;height:48px;background:var(--blue)}
.signal--crack::before{left:50%;top:3px;width:2px;height:58px;background:var(--blue-dark);transform:rotate(13deg);box-shadow:-7px 18px 0 -0.5px var(--blue-dark),8px 35px 0 -0.5px var(--blue-dark)}
.signal--wave::before{left:3%;right:3%;top:29px;height:2px;background:var(--blue);box-shadow:0 -8px 0 #a9dff2,0 8px 0 #c9eaf5;transform:skewY(-5deg)}
.signal--scan::before{left:4%;right:4%;top:14px;height:34px;background:linear-gradient(90deg,#eef4f6,#8edffa,#eef4f6);clip-path:polygon(0 48%,42% 48%,48% 0,52% 100%,58% 48%,100% 48%,100% 55%,0 55%)}
.signal--branch::before{left:12%;right:12%;top:31px;height:2px;background:#79d3f3;box-shadow:44px -16px 0 -0.2px #79d3f3}
.signal--branch::after{left:38%;top:17px;width:2px;height:34px;background:#79d3f3;transform:rotate(45deg)}
.signal--timeline{border-color:#ffffff26}
.signal--timeline::before{left:5%;right:5%;top:31px;height:2px;background:#7b9aaa}
.signal--timeline::after{left:70%;top:24px;width:16px;height:16px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 7px #5dd9ff24}
.technical-note{margin-top:28px;padding-left:18px;border-left:3px solid var(--blue);font-size:13px;max-width:820px}
.technical-note strong{color:var(--ink)}

/* Applications */
.section-heading--split{max-width:none;display:grid;grid-template-columns:1.3fr .7fr;gap:100px;align-items:end}
.section-heading--split>p{padding-bottom:8px}
.application-list{border-top:1px solid var(--ink)}
.application-row{display:grid;grid-template-columns:64px .7fr 1.3fr 220px;gap:26px;align-items:center;min-height:118px;border-bottom:1px solid var(--border);transition:background .2s,padding .2s}
.application-row:hover{background:var(--ice);padding-left:18px;padding-right:18px}
.application-row>span{font-family:var(--mono);font-size:12px;color:var(--blue-dark)}
.application-row h3{font-size:1.18rem}
.application-row p{font-size:14px}
.application-row small{font-family:var(--mono);font-size:11px;text-transform:uppercase;color:var(--muted);text-align:right}

/* Capability */
.capability{background:var(--navy);color:#fff;padding:108px 0;position:relative;overflow:hidden}
.capability::after{content:"";position:absolute;width:520px;height:520px;border:1px solid #5dd9ff21;border-radius:50%;right:-180px;top:-180px;box-shadow:0 0 0 70px #5dd9ff0a,0 0 0 140px #5dd9ff08}
.capability-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:90px;align-items:center;position:relative;z-index:1}
.capability-copy h2{color:#fff;margin-bottom:24px}
.capability-copy>p:not(.eyebrow){color:#b7cad4;font-size:1rem;max-width:540px}
.capability-copy .capability-disclaimer{font-size:12px;margin-top:26px;padding-top:20px;border-top:1px solid #ffffff24;color:#8eabb9}
.capability-data{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid #ffffff36;border-left:1px solid #ffffff36}
.capability-data>div{min-height:190px;border-right:1px solid #ffffff36;border-bottom:1px solid #ffffff36;padding:24px;display:flex;flex-direction:column;justify-content:space-between}
.capability-data span{font-family:var(--mono);font-size:11px;color:var(--cyan)}
.capability-data strong{font-family:var(--mono);font-size:2.4rem;color:#fff}
.capability-data strong small{font-size:13px;color:#91abb8;font-weight:500}
.capability-data em{font-size:12px;color:#91abb8;font-style:normal}

/* Process */
.process{background:#fff}
.process-list{list-style:none;border-top:1px solid var(--ink)}
.process-list li{display:grid;grid-template-columns:100px 1fr;min-height:126px;border-bottom:1px solid var(--border);align-items:center;transition:background .2s}
.process-list li:hover{background:var(--wash)}
.process-list>li>span{font-family:var(--mono);font-size:14px;color:var(--blue-dark)}
.process-list li>div{display:grid;grid-template-columns:300px 1fr;gap:48px;align-items:center}
.process-list h3{font-size:1.3rem}
.process-list p{font-size:14px;max-width:600px}

/* Deliverables */
.deliverables{background:var(--wash)}
.deliverables-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:96px;align-items:start}
.deliverables-title{position:sticky;top:130px}
.deliverables-title h2{margin-bottom:24px}
.deliverables-title>p:last-child{font-size:1rem;max-width:480px}
.deliverables-list{border-top:1px solid var(--ink)}
.deliverables-list article{display:grid;grid-template-columns:56px 1fr;padding:30px 0;border-bottom:1px solid var(--border);gap:22px}
.deliverables-list article>span{font-family:var(--mono);font-size:12px;color:var(--blue-dark);padding-top:4px}
.deliverables-list h3{font-size:1.2rem;margin-bottom:8px}
.deliverables-list p{font-size:14px}

/* Safety */
.safety{padding:64px 0;background:#dff4fc;border-top:1px solid #b9e3f3;border-bottom:1px solid #b9e3f3}
.safety-layout{display:grid;grid-template-columns:90px .8fr 1.2fr;gap:44px;align-items:center}
.safety-index{font-family:var(--mono);color:var(--blue-dark);font-size:13px}
.safety .eyebrow{margin-bottom:10px}
.safety h2{font-size:1.8rem}
.safety-layout>p{font-size:14px;line-height:1.75;border-left:1px solid #87cbe4;padding-left:36px}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:100px;align-items:start}
.faq-heading{position:sticky;top:130px}
.faq-heading h2{margin-bottom:20px}
.faq-heading>p:last-child{font-size:15px;max-width:380px}
.faq-list{border-top:1px solid var(--ink)}
.faq-list details{border-bottom:1px solid var(--border)}
.faq-list summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:82px;cursor:pointer;font-weight:700;font-size:1.03rem}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary span{font-family:var(--mono);font-size:1.4rem;color:var(--blue);transition:transform .2s}
.faq-list details[open] summary span{transform:rotate(45deg)}
.faq-list details p{font-size:14px;line-height:1.8;padding:0 52px 24px 0;max-width:720px}

/* CTA and footer */
.cta{background:var(--blue);padding:84px 0;color:#fff}
.cta-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:80px;align-items:end}
.cta h2{color:#fff;max-width:720px;margin-bottom:18px}
.cta p:not(.eyebrow){color:#e9f8fe;max-width:680px}
.cta .eyebrow{color:#fff}
.cta-actions{display:flex;flex-direction:column;align-items:flex-start;gap:18px}
.btn-white{background:#fff;color:var(--navy);min-width:250px}
.btn-white:hover{background:var(--navy);color:#fff}
.cta-email{color:#fff;font-size:14px;border-bottom:1px solid #ffffff88}
.footer{background:var(--wash);border-top:1px solid var(--border);padding:56px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:48px;margin-bottom:40px}
.footer-brand p{font-size:14px;margin-top:12px;max-width:340px}
.footer h4{font-size:13px;font-weight:700;text-transform:uppercase;margin-bottom:16px}
.footer-links{list-style:none}
.footer-links li{margin-bottom:9px}
.footer-links a,.footer-contact p,.footer-contact a{color:var(--gray);font-size:14px}
.footer-links a:hover,.footer-contact a:hover{color:var(--blue)}
.footer-contact p{margin-bottom:8px}
.footer-bottom{border-top:1px solid var(--border);padding-top:24px;display:flex;justify-content:space-between;gap:20px}
.footer-bottom p{font-size:13px;color:#94a1a8}

/* Motion */
@media (prefers-reduced-motion:no-preference){.hero .reveal{animation:heroIn .75s both}.hero .reveal:nth-child(2){animation-delay:.08s}.hero .reveal:nth-child(3){animation-delay:.16s}.hero .reveal:nth-child(4){animation-delay:.24s}.hero .reveal:nth-child(5){animation-delay:.32s}@keyframes heroIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}}

@media (max-width:1050px){
  h1{font-size:3.6rem}h2{font-size:2.5rem}
  .nav-links,.btn-area-tecnica{display:none}.nav-hamburger{display:flex;margin-left:auto}
  .intro-layout{grid-template-columns:1fr 420px;gap:48px}
  .application-row{grid-template-columns:50px .7fr 1.3fr}.application-row small{display:none}
  .capability-layout{gap:48px}.deliverables-layout{gap:56px}.faq-layout{gap:60px}
}

@media (max-width:800px){
  .container{width:min(100% - 40px,var(--max))}.section{padding:78px 0}
  .nav-inner{height:76px;padding:0 20px}.nav-logo img{height:54px}.nav-logo-name{font-size:20px}.nav-logo-sub{font-size:10px}
  .hero{min-height:760px;height:auto;padding:92px 0 0;align-items:flex-start}.hero-image{object-position:62% center}.hero-overlay{background:linear-gradient(90deg,rgba(3,28,44,.98) 0%,rgba(3,31,49,.82) 58%,rgba(3,31,49,.25) 100%)}.hero-content{padding-bottom:150px}.hero h1{font-size:3.2rem}.hero-lead{font-size:1.3rem}.hero-copy{font-size:.96rem}.hero-specs{width:calc(100% - 40px);grid-template-columns:repeat(2,1fr)}.hero-specs div{min-height:80px;padding:14px 18px}.hero-specs div:nth-child(2){border-right:0}.hero-specs div:nth-child(-n+2){border-bottom:1px solid var(--border)}.hero-specs strong{font-size:1.05rem}
  .intro-layout,.capability-layout,.deliverables-layout,.faq-layout,.cta-layout{grid-template-columns:1fr}.intro-layout{gap:44px}.inspection-figure img{aspect-ratio:16/10}.findings-grid{grid-template-columns:repeat(2,1fr)}
  .section-heading--split{grid-template-columns:1fr;gap:18px}.application-row{grid-template-columns:46px 1fr;gap:10px 18px;padding:22px 0}.application-row p{grid-column:2}.capability{padding:78px 0}.deliverables-title,.faq-heading{position:static}.safety-layout{grid-template-columns:52px 1fr}.safety-layout>p{grid-column:2;border-left:0;padding-left:0}.cta-layout{gap:38px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}
}

@media (max-width:560px){
  h1{font-size:2.55rem}h2{font-size:2.05rem}.section{padding:64px 0}
  .nav-logo-sub{display:none}.nav-logo img{height:48px}.nav-logo-name{font-size:18px}
  .hero{min-height:780px}.hero-image{object-position:68% center}.hero-overlay{background:linear-gradient(90deg,rgba(3,28,44,.98) 0%,rgba(3,31,49,.88) 72%,rgba(3,31,49,.45) 100%)}.hero-content{padding-bottom:160px}.hero-lead{font-size:1.13rem}.hero-actions{align-items:stretch;flex-direction:column}.hero-actions .btn{width:100%}.hero-specs{grid-template-columns:1fr 1fr}.hero-specs span{font-size:10px}
  .findings-grid{grid-template-columns:1fr}.finding{min-height:238px}.inspection-figure img{aspect-ratio:4/5}.application-row{grid-template-columns:38px 1fr}.capability-data{grid-template-columns:1fr 1fr}.capability-data>div{min-height:150px;padding:18px}.capability-data strong{font-size:1.75rem}.process-list li{grid-template-columns:48px 1fr;padding:24px 0}.process-list li>div{grid-template-columns:1fr;gap:7px}.process-list p{padding-right:8px}.safety-layout{grid-template-columns:1fr;gap:20px}.safety-layout>p{grid-column:1}.safety-index{display:none}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{flex-direction:column}.cta-actions,.btn-white{width:100%}
}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn,.finding,.application-row{transition:none}}