:root{
  --primary:#1675d1;
  --primary-dark:#0d60b4;
  --primary-bright:#1f9cff;
  --navy:#081d35;
  --navy-2:#102a47;
  --text:#26384a;
  --muted:#6a7d90;
  --line:#e4ebf1;
  --soft:#f7f9fb;
  --white:#fff;
  --success:#25d366;
  --shadow:0 14px 36px rgba(7,29,53,.10);
  --radius:18px;
  --container:1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:86px}
body{margin:0;font-family:"Montserrat",Arial,sans-serif;color:var(--text);background:#fff;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
svg{display:block}
.container{width:min(calc(100% - 34px),var(--container));margin-inline:auto}
.section{padding:84px 0}
.section-soft{background:var(--soft)}
.section-dark{background:var(--navy);color:#fff}
.compact{padding:58px 0}
.skip-link{position:fixed;left:12px;top:-70px;background:#fff;color:#111;padding:10px 14px;z-index:999;border-radius:6px;box-shadow:var(--shadow)}
.skip-link:focus{top:12px}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:var(--navy);border-bottom:1px solid rgba(255,255,255,.05)}
.header-inner{height:86px;display:flex;align-items:center;gap:28px}
.brand-logo-only{display:flex;align-items:center;flex:0 0 auto}
.brand-logo-only img{width:60px;height:60px;object-fit:contain;border-radius:50%}
.menu-toggle{margin-left:auto;border:0;background:transparent;width:44px;height:44px;display:grid;place-content:center;gap:5px;cursor:pointer}
.menu-toggle span{display:block;width:25px;height:2px;background:#fff;transition:.25s}
.main-nav{position:absolute;top:86px;left:0;right:0;display:none;flex-direction:column;gap:2px;background:var(--navy);padding:16px 18px 20px;border-top:1px solid rgba(255,255,255,.08);box-shadow:0 16px 28px rgba(0,0,0,.18)}
.main-nav.open{display:flex}
.main-nav a{padding:10px 12px;font-size:.88rem;font-weight:600;color:#f3f7fb;transition:color .2s,background .2s}
.main-nav a:hover{color:#6eb9ff}
.nav-cta{display:inline-flex;align-items:center;justify-content:center;background:var(--primary);color:#fff!important;border-radius:999px;padding:14px 25px;font-size:.83rem;font-weight:700;white-space:nowrap}
.nav-cta:hover{background:var(--primary-dark)}
.nav-cta-desktop{display:none}

/* Hero */
.hero-image{position:relative;min-height:650px;background:url('../img/hero-refrigeracao.jpg') center/cover no-repeat;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,20,38,.92) 0%,rgba(8,20,38,.78) 38%,rgba(8,20,38,.38) 66%,rgba(8,20,38,.20) 100%)}
.hero-content{position:relative;z-index:2;padding-block:78px}
.hero-copy{max-width:670px}
.hero-badge{display:inline-flex;margin:0 0 25px;padding:9px 18px;border:1px solid rgba(255,255,255,.35);border-radius:999px;background:rgba(255,255,255,.06);font-size:.8rem;font-weight:500;color:#fff}
.hero h1{margin:0;color:#fff;font-size:clamp(2.7rem,6vw,4.8rem);line-height:1.02;letter-spacing:-.035em;max-width:650px}
.hero-lead{font-size:1.08rem;color:#f2f5f9;max-width:650px;margin:28px 0 0;line-height:1.7}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:34px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 26px;border-radius:999px;font-size:.85rem;font-weight:700;border:2px solid transparent;cursor:pointer;transition:.2s}
.btn:hover{transform:translateY(-1px)}
.btn svg{width:22px;height:22px;fill:currentColor}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 25px rgba(22,117,209,.28)}
.btn-primary:hover{background:var(--primary-dark)}
.btn-secondary{background:#fff;color:var(--navy);border-color:#ccd9e3}
.btn-outline-light{background:rgba(255,255,255,.03);color:#fff;border-color:#fff}
.btn-outline-light:hover{background:#fff;color:var(--navy)}
.btn-light{background:#fff;color:var(--navy)}

/* Headings */
.eyebrow{margin:0 0 12px;color:var(--primary);font-size:.76rem;font-weight:800;letter-spacing:.02em}
.eyebrow.light{color:#7ec5ff}
.section-heading{max-width:760px;margin-bottom:36px}
.section-heading-center{text-align:center;margin-inline:auto;max-width:900px}
.section-heading h2,.form-intro h2,.about-box h2,.region-row h2{margin:0;color:var(--navy);font-size:clamp(1.8rem,4vw,2.9rem);line-height:1.14;letter-spacing:-.025em}
.section-heading>p:last-child{color:var(--muted);margin:13px 0 0}

/* Cards e seções preservadas */
.cards-grid{display:grid;gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:25px 23px;box-shadow:0 6px 18px rgba(8,35,58,.035);transition:.2s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#d5e3ed}
.card-index{display:block;color:var(--primary);font-weight:800;font-size:.72rem;letter-spacing:.07em}
.card h3{margin:12px 0 7px;color:var(--navy);font-size:1rem}
.card p{margin:0;color:var(--muted);font-size:.88rem}
.center-action{text-align:center;margin-top:30px}
.split-section{display:grid;gap:38px}
.service-list{display:grid;grid-template-columns:1fr;gap:18px}
.service-list article{padding:23px;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:0 6px 18px rgba(8,35,58,.035)}
.service-list h3{margin:0 0 7px;color:var(--navy);font-size:1rem}
.service-list p{margin:0;color:var(--muted);font-size:.9rem}
.section-dark .section-heading h2,.section-dark .region-row h2{color:#fff}
.section-dark .section-heading>p:last-child{color:#c9d6e1}
.commercial-box{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:28px}
.commercial-box h3{margin:0 0 18px;color:#fff}
.commercial-box ul{display:grid;gap:10px;margin:0;padding-left:20px;color:#edf6fb}
.commercial-box .audience{font-size:.79rem;color:#aac0d1;border-top:1px solid rgba(255,255,255,.14);padding-top:18px;margin:20px 0 0}
.steps{list-style:none;padding:0;margin:0;display:grid;gap:16px}
.steps li{display:grid;grid-template-columns:46px 1fr;gap:15px;align-items:start;border:1px solid var(--line);border-radius:14px;padding:20px;background:#fff}
.steps li>span{display:grid;place-items:center;width:42px;height:42px;border-radius:8px;background:#eaf4ff;color:var(--primary-dark);font-weight:800;font-size:.82rem}
.steps h3{margin:1px 0 5px;color:var(--navy);font-size:.98rem}
.steps p{margin:0;color:var(--muted);font-size:.87rem}

/* Form */
.section-form{background:var(--soft)}
.form-grid{display:grid;gap:32px}
.form-intro>p:not(.eyebrow){color:var(--muted)}
.check-list{list-style:none;padding:0;display:grid;gap:10px;margin:24px 0}
.check-list li:before{content:"✓";color:var(--primary);font-weight:900;margin-right:8px}
.form-contact{border-top:1px solid var(--line);padding-top:20px;display:grid}
.form-contact small{color:var(--muted)}
.form-contact a{font-weight:700;color:var(--primary)}
.lead-form{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:16px;padding:24px;display:grid;gap:15px}
.field-row{display:grid;gap:15px}
.lead-form label{font-size:.76rem;font-weight:700;color:#33485a;display:grid;gap:7px}
.lead-form input,.lead-form select,.lead-form textarea{width:100%;border:1px solid #ced9e2;border-radius:8px;background:#fff;color:var(--text);padding:12px 13px;outline:none;transition:.2s}
.lead-form input:focus,.lead-form select:focus,.lead-form textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(22,117,209,.1)}
.lead-form textarea{resize:vertical}
.whatsapp-photo-note{padding:15px 16px;border:1px solid #dce8f0;border-radius:9px;background:#f8fbfd}
.whatsapp-photo-note strong{display:block;margin-bottom:4px;color:var(--navy)}
.whatsapp-photo-note p{margin:0;font-size:.85rem;line-height:1.55;color:var(--muted)}
.consent{display:grid!important;grid-template-columns:auto 1fr;align-items:start;gap:10px!important}
.consent input{width:18px;height:18px;margin-top:2px}
.submit-btn{width:100%;border:0}
.form-helper{margin:0;font-size:.78rem;line-height:1.5;color:var(--muted)}
.form-status{font-size:.82rem;margin:0;min-height:1.4em}
.form-status.success{color:#176d42}.form-status.error{color:#9c2d2d}.hp-field{position:absolute!important;left:-9999px!important}

/* Diferenciais como Climatização */
.section-diferenciais{background:var(--navy);color:#fff;padding:95px 0 105px}
.section-diferenciais .section-heading h2{color:#fff}
.section-diferenciais .eyebrow{color:#0f85f6}
.differences-grid{display:grid;gap:30px}
.difference-card{background:#162f4d;border:1px solid rgba(255,255,255,.10);border-radius:20px;padding:38px 34px;min-height:260px}
.difference-icon{width:50px;height:50px;margin-bottom:20px;color:#1597ff}
.difference-icon svg{width:100%;height:100%;fill:currentColor}
.difference-card h3{margin:0 0 12px;color:#fff;font-size:1.05rem;line-height:1.3}
.difference-card p{margin:0;color:#fff;font-size:.92rem;line-height:1.5}

/* Sobre/região/FAQ */
.about-box{display:grid;gap:26px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px;box-shadow:var(--shadow)}
.about-box p{color:var(--muted)}
.text-link{font-weight:700;color:var(--primary);font-size:.88rem}
.region-row{display:grid;gap:20px;align-items:center}.region-row p{color:#c9d6e1;margin-bottom:0}
.faq-wrap{max-width:900px}.faq-list{display:grid;gap:10px}.faq-list details{border:1px solid var(--line);border-radius:9px;padding:0 18px;background:#fff}.faq-list summary{cursor:pointer;font-weight:700;padding:17px 28px 17px 0;position:relative;list-style:none;color:var(--navy);font-size:.9rem}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";position:absolute;right:0;top:11px;font-size:1.45rem;color:var(--primary);font-weight:500}.faq-list details[open] summary:after{content:"−"}.faq-list p{margin:0;padding:0 0 18px;color:var(--muted);font-size:.88rem}

/* CTA orçamento */
.final-cta-image{position:relative;background:url('../img/hero-refrigeracao.jpg') center 47%/cover no-repeat;color:#fff;text-align:center;min-height:340px;display:flex;align-items:center}
.final-cta-overlay{position:absolute;inset:0;background:rgba(18,116,210,.87)}
.final-cta-content{position:relative;z-index:2;padding-block:70px}
.final-cta h2{margin:0;color:#fff;font-size:clamp(2rem,4vw,3.3rem);line-height:1.1;letter-spacing:-.03em}
.final-cta p{margin:17px 0 26px;color:#fff;font-size:1rem}
.final-cta .btn{min-width:215px}

/* Footer */
.site-footer{background:#031225;color:#fff;padding:70px 0 24px}
.footer-top{display:flex;flex-direction:column;gap:34px;align-items:center;justify-content:space-between}
.footer-social{display:flex;gap:16px}
.social-circle{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:#1d2f45;color:#fff}
.social-circle svg{width:19px;height:19px;fill:currentColor}
.footer-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:26px}
.footer-nav a{font-size:.84rem;color:#fff}
.footer-nav a:hover{color:#74bbff}
.footer-divider{height:1px;background:rgba(255,255,255,.10);margin:50px 0 20px}
.footer-bottom{display:flex;justify-content:center;text-align:center;font-size:.77rem;color:#c4d3e1}

/* Floating actions */
.floating-actions{position:fixed;right:22px;bottom:24px;z-index:95;display:flex;flex-direction:column;gap:14px;align-items:center}
.back-to-top,.whatsapp-float{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;color:#fff;box-shadow:0 10px 24px rgba(0,0,0,.18);transition:.2s}
.back-to-top{background:var(--primary);opacity:0;visibility:hidden;pointer-events:none;transform:translateY(10px);cursor:pointer}
.back-to-top.visible{opacity:1;visibility:visible;pointer-events:auto;transform:none}
.whatsapp-float{background:var(--success)}
.back-to-top:hover,.whatsapp-float:hover{transform:translateY(-2px)}
.back-to-top svg{width:26px;height:26px;fill:currentColor}.whatsapp-float svg{width:30px;height:30px;fill:currentColor}

.reveal{opacity:1;transform:none}.js .reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}.js .reveal.visible{opacity:1;transform:none}

@media(min-width:700px){
  .cards-grid{grid-template-columns:repeat(2,1fr)}
  .field-row{grid-template-columns:repeat(2,1fr)}
  .lead-form{padding:30px}
  .service-list{grid-template-columns:repeat(2,1fr)}
  .region-row{grid-template-columns:1fr auto}
  .footer-top{flex-direction:row}
}

@media(min-width:900px){
  .section{padding:95px 0}
  .menu-toggle{display:none}
  .header-inner{height:86px}
  .brand-logo-only{margin-right:95px}
  .main-nav{position:static;display:flex;flex:1;flex-direction:row;align-items:center;justify-content:center;gap:12px;padding:0;border:0;box-shadow:none;background:transparent}
  .main-nav a{font-size:.82rem;padding:10px 9px}
  .nav-cta-desktop{display:inline-flex;margin-left:45px}
  .hero-image{min-height:680px}
  .problems-grid{grid-template-columns:repeat(4,1fr)}
  .split-section{grid-template-columns:.9fr 1.1fr;gap:70px;align-items:start}
  .commercial-grid{align-items:center}
  .steps{grid-template-columns:repeat(5,1fr);gap:13px}.steps li{grid-template-columns:1fr;min-height:205px}
  .form-grid{grid-template-columns:.8fr 1.2fr;gap:72px;align-items:start}.form-intro{position:sticky;top:112px}
  .differences-grid{grid-template-columns:repeat(4,1fr)}
  .about-box{grid-template-columns:.85fr 1.15fr;gap:70px;padding:42px}
}

@media(max-width:899px){
  .hero-overlay{background:linear-gradient(90deg,rgba(8,20,38,.92),rgba(8,20,38,.62))}
  .hero-image{min-height:590px;background-position:62% center}
  .main-nav a:last-child{display:block}
}

@media(max-width:520px){
  .brand-logo-only img{width:50px;height:50px}
  .hero-image{min-height:620px;background-position:68% center}
  .hero-content{padding-block:70px}
  .hero h1{font-size:2.55rem}
  .hero-lead{font-size:.97rem}
  .hero-actions .btn{width:100%}
  .section{padding:68px 0}
  .difference-card{padding:30px 25px;min-height:auto}
  .floating-actions{right:14px;bottom:16px}.back-to-top,.whatsapp-float{width:54px;height:54px}
  .footer-nav{gap:16px 20px}
}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.js .reveal{opacity:1;transform:none;transition:none}.btn,.card,.difference-card{transition:none}}