/* ===== CONVERTECGÁS — identidade: azul + laranja · Roboto / Roboto Slab ===== */
:root{
  --blue:#1f5f9f;          /* azul primário */
  --blue-dk:#1d4267;       /* azul-petróleo escuro */
  --blue-deep:#13314d;     /* fundo escuro */
  --orange:#f17e23;        /* laranja vivo (CTA/accent) */
  --orange-dk:#b85707;     /* laranja queimado */
  --green:#3aae54;         /* whatsapp/sucesso */
  --ink:#16202b;
  --ink-soft:#5b6b78;
  --line:#e2e6eb;
  --bg-soft:#f5f7f8;
  --bg-blue:#eef3f9;
  --white:#fff;
  --shadow:0 18px 48px -20px rgba(29,66,103,.42);
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Roboto",system-ui,sans-serif;color:var(--ink);background:var(--white);line-height:1.62;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.kicker{display:inline-block;font-weight:700;font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--orange-dk);margin-bottom:10px}
.kicker-alert{color:#d23b2a}
.section-head{max-width:680px;margin:0 auto 38px;text-align:center}
.section-head h2{font-family:"Roboto Slab",serif;font-weight:800;font-size:clamp(26px,4.6vw,40px);color:var(--blue-dk);line-height:1.12}
.section-head p{margin-top:12px;color:var(--ink-soft);font-size:17px}
.section-head.light h2{color:#fff}
.section-head.light .kicker{color:var(--orange)}

/* Botões */
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:15px;border:0;border-radius:10px;padding:13px 22px;cursor:pointer;text-decoration:none;transition:transform .15s ease,box-shadow .15s ease,background .15s ease;white-space:nowrap}
.btn-lg{padding:16px 28px;font-size:16.5px}
.btn-cta{background:var(--orange);color:#fff;box-shadow:0 10px 26px -10px rgba(241,126,35,.85)}
.btn-cta:hover{background:var(--orange-dk);transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.32)}
.btn-ghost:hover{background:rgba(255,255,255,.2)}
.btn-outline{background:#fff;color:var(--blue);border:1.5px solid var(--line)}
.btn-outline:hover{border-color:var(--blue);transform:translateY(-2px)}
.btn-outline-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55)}
.btn-outline-light:hover{background:rgba(255,255,255,.12)}

/* Topbar */
.topbar{position:sticky;top:0;z-index:40;background:#fff;border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo img{height:46px;width:auto}
.logo-word{font-family:"Roboto Slab",serif;font-weight:800;font-size:21px;color:var(--blue-dk)}
.logo-word b{color:var(--orange-dk)}
.logo-light .logo-word{color:#fff}.logo-light .logo-word b{color:var(--orange)}
.topbar-actions{display:flex;align-items:center;gap:12px}
.phone-pulse{display:none;align-items:center;gap:8px;font-weight:700;color:var(--blue-dk);text-decoration:none;font-size:15px}
.phone-dot{width:9px;height:9px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 0 rgba(241,126,35,.6);animation:pulse 1.8s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(241,126,35,.55)}70%{box-shadow:0 0 0 10px rgba(241,126,35,0)}100%{box-shadow:0 0 0 0 rgba(241,126,35,0)}}
.topbar .btn-ghost{display:none;background:var(--blue);border-color:var(--blue)}

/* Hero */
.hero{background:linear-gradient(135deg,var(--blue-deep) 0%,var(--blue-dk) 55%,var(--blue) 120%);color:#fff;padding:50px 0 56px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;top:-120px;right:-80px;width:380px;height:380px;background:radial-gradient(circle,rgba(241,126,35,.28),transparent 65%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:30px;align-items:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:7px;font-weight:700;font-size:13px;letter-spacing:.05em;text-transform:uppercase;background:var(--orange);color:#fff;padding:7px 15px;border-radius:999px;margin-bottom:18px}
.hero-title{font-family:"Roboto Slab",serif;font-weight:800;font-size:clamp(32px,7vw,52px);line-height:1.08}
.hero-title .hl{color:#7fd0ff}
.hero-title .hl-o{color:var(--orange);white-space:nowrap}
.hero-sub{margin:18px 0 26px;font-size:17px;color:#d4e2f1;max-width:560px}
.hero-sub strong{color:#fff}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.hero-cta.center{justify-content:center}
.hero-trust{display:flex;flex-wrap:wrap;gap:16px;margin-top:22px;font-size:13.5px;font-weight:500;color:#bcd2e6}
.hero-media{position:relative}
.hero-media img{width:100%;border-radius:18px;box-shadow:var(--shadow);object-fit:cover}

/* Stats bar (faixa laranja característica) */
.statsbar{background:linear-gradient(90deg,var(--orange-dk),var(--orange));color:#fff}
.statsbar-inner{display:grid;grid-template-columns:repeat(2,1fr);gap:18px 10px;padding:26px 0}
.stat{text-align:center}
.stat strong{display:block;font-family:"Roboto Slab",serif;font-weight:800;font-size:clamp(24px,5vw,34px);line-height:1}
.stat span{font-size:13px;font-weight:500;opacity:.95}

/* Services */
.services{padding:62px 0;background:var(--bg-soft)}
.svc-grid{display:grid;grid-template-columns:1fr;gap:16px}
.svc-card{position:relative;background:#fff;border:1px solid var(--line);border-top:3px solid var(--blue);border-radius:var(--radius);padding:24px 22px;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.svc-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-top-color:var(--orange)}
.svc-star{border-top-color:var(--orange)}
.svc-flag{position:absolute;top:-11px;right:18px;background:var(--orange);color:#fff;font-size:11px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:5px 11px;border-radius:999px}
.svc-icon{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;font-size:25px;background:var(--bg-blue);border-radius:12px;margin-bottom:13px}
.svc-card h3{font-family:"Roboto Slab",serif;font-size:18px;color:var(--blue-dk);margin-bottom:7px}
.svc-card p{color:var(--ink-soft);font-size:14.5px}
.svc-link{display:inline-block;margin-top:13px;font-weight:700;font-size:14px;color:var(--orange-dk);text-decoration:none}
.svc-link:hover{color:var(--orange)}
.serves{display:flex;flex-wrap:wrap;gap:9px;align-items:center;justify-content:center;margin-top:34px}
.serves-label{font-weight:700;color:var(--blue-dk);font-size:14px}
.serve-chip{font-size:13.5px;font-weight:500;background:#fff;border:1px solid var(--line);padding:8px 15px;border-radius:999px;color:var(--ink)}

/* How */
.how{padding:62px 0;background:var(--blue-dk);color:#fff}
.steps{display:grid;grid-template-columns:1fr;gap:16px}
.step{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:22px}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;background:var(--orange);color:#fff;font-family:"Roboto Slab",serif;font-weight:800;font-size:20px;margin-bottom:11px}
.step h4{font-size:17px;margin-bottom:4px}
.step p{color:#c2d2e2;font-size:14px}

/* Safety */
.safety{padding:62px 0;background:linear-gradient(180deg,var(--bg-blue),#fff)}
.safety-grid{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
.safety-media img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow);aspect-ratio:4/3;object-fit:cover}
.safety-copy h2{font-family:"Roboto Slab",serif;font-weight:800;font-size:clamp(26px,5vw,40px);color:var(--blue-dk)}
.safety-copy p{margin:14px 0;color:var(--ink-soft);font-size:16px}
.safety-points{list-style:none;display:grid;gap:9px;margin:16px 0 24px}
.safety-points li{font-weight:600;color:var(--ink)}

/* Testimonials */
.testi{padding:62px 0;background:#fff}
.testi-grid{display:grid;grid-template-columns:1fr;gap:18px}
.testi-card{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px}
.testi-stars{color:var(--orange);font-size:17px;letter-spacing:2px;margin-bottom:10px}
.testi-card blockquote{font-size:15px;color:var(--ink);line-height:1.6;margin-bottom:16px}
.testi-card figcaption{display:flex;align-items:center;gap:11px;font-size:13.5px;color:var(--ink-soft);font-weight:600}
.testi-avatar{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background:var(--blue);color:#fff;font-weight:700;font-size:14px}

/* Proof */
.proof{padding:62px 0;background:var(--bg-soft)}
.proof-grid{display:grid;grid-template-columns:1fr;gap:16px}
.proof-item{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.proof-item img{width:100%;height:230px;object-fit:cover}
.proof-item figcaption{position:absolute;left:0;bottom:0;width:100%;background:linear-gradient(transparent,rgba(19,49,77,.92));color:#fff;padding:26px 18px 13px;font-weight:600;font-size:15px}

/* Regions */
.regions{padding:58px 0;background:var(--blue-deep);color:#fff}
.region-chips{display:flex;flex-wrap:wrap;gap:9px;justify-content:center;max-width:860px;margin:0 auto}
.region-chip{font-size:13.5px;font-weight:500;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);padding:8px 14px;border-radius:999px}
.region-note{text-align:center;margin-top:20px;color:#aebfd4;font-size:14.5px}

/* FAQ */
.faq{padding:62px 0;background:#fff}
.faq-inner{max-width:820px;margin:0 auto}
.faq-list{display:grid;gap:12px}
.faq-item{background:var(--bg-soft);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.faq-item summary{cursor:pointer;list-style:none;padding:18px 20px;font-weight:700;font-size:16px;color:var(--blue-dk);display:flex;justify-content:space-between;gap:14px;align-items:center;font-family:"Roboto Slab",serif}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:24px;color:var(--orange);font-weight:400}
.faq-item[open] summary::after{content:"−"}
.faq-a{padding:0 20px 18px;color:var(--ink-soft);font-size:15px}

/* Final CTA */
.final-cta{padding:66px 0;background:linear-gradient(135deg,var(--blue-deep),var(--blue));color:#fff;text-align:center;position:relative;overflow:hidden}
.final-cta::after{content:"";position:absolute;bottom:-100px;left:-60px;width:300px;height:300px;background:radial-gradient(circle,rgba(241,126,35,.3),transparent 65%)}
.final-cta-inner{position:relative;max-width:680px;margin:0 auto}
.final-cta h2{font-family:"Roboto Slab",serif;font-weight:800;font-size:clamp(28px,5.4vw,44px)}
.final-cta p{margin:14px auto 26px;color:#d4e2f1;font-size:17px;max-width:520px}

/* Footer */
.footer{background:#0e2438;color:#a9bccd;padding:48px 0 0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:28px;padding-bottom:32px}
.footer-brand .logo img{height:42px}
.footer-brand p{margin-top:14px;font-size:14px;max-width:340px}
.footer-col h5{color:#fff;font-size:15px;margin-bottom:12px;font-family:"Roboto Slab",serif}
.footer-col ul{list-style:none;display:grid;gap:8px;font-size:14px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0}
.footer-bottom .container{display:flex;flex-direction:column;gap:6px;text-align:center;font-size:12.5px;color:#7d93a8}

/* Sticky mobile */
.sticky-mobile{position:fixed;left:0;bottom:0;width:100%;z-index:50;display:flex;gap:10px;padding:10px 14px;background:#fff;border-top:1px solid var(--line);box-shadow:0 -8px 24px -16px rgba(29,66,103,.5)}
.sticky-mobile .btn{flex:1;justify-content:center}

/* Modal */
.modal-backdrop{position:fixed;inset:0;z-index:90;background:rgba(14,36,56,.62);display:flex;align-items:center;justify-content:center;padding:18px;backdrop-filter:blur(3px)}
.modal{position:relative;background:#fff;border-radius:18px;max-width:440px;width:100%;overflow:hidden;box-shadow:0 30px 80px -20px rgba(0,0,0,.5)}
.modal-close{position:absolute;top:12px;right:14px;background:rgba(255,255,255,.2);border:0;color:#fff;font-size:26px;line-height:1;width:34px;height:34px;border-radius:50%;cursor:pointer;z-index:2}
.modal-head{background:linear-gradient(135deg,var(--blue-deep),var(--blue));color:#fff;padding:26px 24px 22px}
.modal-eyebrow{font-size:13px;font-weight:700;letter-spacing:.05em;color:var(--orange)}
.modal-head h3{font-family:"Roboto Slab",serif;font-weight:800;font-size:24px;margin:8px 0 6px}
.modal-head p{font-size:14.5px;color:#d4e2f1}
.modal-body{padding:22px 24px 26px}
.exit-points{display:grid;gap:10px;margin-bottom:20px}
.exit-point{display:flex;gap:10px;align-items:center;font-weight:600;font-size:14.5px;color:var(--ink)}
.exit-point span{color:var(--green);font-weight:800}
.modal-body .btn{width:100%;justify-content:center}
.modal-foot{text-align:center;margin-top:12px;font-size:12px;color:var(--ink-soft)}

/* Desktop */
@media(min-width:760px){
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .statsbar-inner{grid-template-columns:repeat(4,1fr)}
  .steps{grid-template-columns:repeat(4,1fr)}
  .testi-grid{grid-template-columns:repeat(3,1fr)}
  .proof-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:2fr 1fr 1fr}
  .footer-bottom .container{flex-direction:row;justify-content:space-between}
  .sticky-mobile{display:none}
}
@media(min-width:960px){
  .phone-pulse{display:flex}
  .topbar .btn-ghost{display:inline-flex}
  .hero{padding:66px 0 72px}
  .hero-grid{grid-template-columns:1.05fr .95fr;gap:46px}
  .svc-grid{grid-template-columns:repeat(4,1fr)}
  .safety-grid{grid-template-columns:1fr 1fr}
}