/* ===== GÁSTUBOS — identidade do gastubos.com.br: laranja #d75a21 + azul-petróleo #081319 · Manrope ===== */
:root{
  --orange:#d75a21;
  --orange-dk:#b5461a;
  --orange-soft:#fbe9e0;
  --navy:#081319;
  --navy-2:#11222b;
  --navy-3:#182429;
  --ink:#081319;
  --ink-soft:#4a5a63;
  --line:#e1e6e9;
  --bg-soft:#eff2f4;
  --white:#fff;
  --green:#1f9d55;
  --red:#c2321e;
  --shadow:0 22px 50px -24px rgba(8,19,25,.55);
  --radius:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--white);line-height:1.6;-webkit-font-smoothing:antialiased;padding-bottom:76px}
@media(min-width:900px){body{padding-bottom:0}}
img{max-width:100%;display:block;height:auto}
a{color:inherit}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 18px}
.center{text-align:center;display:flex;justify-content:center;flex-wrap:wrap;gap:12px}
.mt{margin-top:30px}
.kicker{display:inline-block;font-weight:800;font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--orange);margin-bottom:10px}
.section-head{max-width:720px;margin:0 auto 34px;text-align:center}
.section-head h2{font-weight:800;font-size:clamp(26px,4.6vw,40px);line-height:1.14;color:var(--navy);letter-spacing:-.02em}
.section-head p{margin-top:12px;color:var(--ink-soft);font-size:17px}
.section-head.light h2{color:#fff}
.section-head.light p{color:#b9c6cd}

/* Botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:800;font-size:15px;border:0;border-radius:12px;padding:13px 20px;cursor:pointer;text-decoration:none;transition:transform .15s ease,box-shadow .15s ease,background .15s ease;white-space:nowrap;min-height:48px}
.btn-lg{padding:16px 26px;font-size:16.5px;min-height:56px}
.btn-block{width:100%}
.btn-cta{background:var(--orange);color:#fff;box-shadow:0 12px 28px -12px rgba(215,90,33,.9)}
.btn-cta:hover{background:var(--orange-dk);transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--navy);border:1.5px solid var(--line)}
.btn-outline-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5)}
.btn-outline-light:hover{background:rgba(255,255,255,.1)}

/* Faixa de alerta */
.alert-strip{background:var(--red);color:#fff;font-size:14px}
.alert-inner{display:flex;flex-wrap:wrap;align-items:center;gap:4px 8px;padding:9px 18px}
.alert-inner a{font-weight:800;color:#fff;margin-left:auto;text-decoration:underline;white-space:nowrap}

/* 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:68px;gap:12px}
.logo{display:flex;align-items:center;text-decoration:none}
.logo img{height:46px;width:auto}
.logo-light img{filter:brightness(0) invert(1)}
.topbar-actions{display:flex;align-items:center;gap:14px}
.phone-pulse{display:none;align-items:center;gap:8px;font-weight:800;color:var(--navy);text-decoration:none;font-size:16px}
.phone-dot{width:9px;height:9px;border-radius:50%;background:var(--green);animation:pulse 1.8s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(31,157,85,.55)}70%{box-shadow:0 0 0 10px rgba(31,157,85,0)}100%{box-shadow:0 0 0 0 rgba(31,157,85,0)}}
@media(min-width:720px){.phone-pulse{display:inline-flex}}

/* Hero */
.hero{background:radial-gradient(1100px 500px at 85% -10%,rgba(215,90,33,.28),transparent 60%),linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 60%,var(--navy-3) 100%);color:#fff;padding:38px 0 48px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1fr;gap:30px;align-items:center}
@media(min-width:900px){.hero-grid{grid-template-columns:1.15fr .85fr;gap:48px}.hero{padding:62px 0 70px}}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-weight:800;font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;background:rgba(215,90,33,.18);border:1px solid rgba(215,90,33,.55);color:#ffb08a;padding:7px 14px;border-radius:999px;margin-bottom:16px}
.live-dot{width:8px;height:8px;border-radius:50%;background:#ff8a4c;animation:pulse-o 1.6s infinite}
@keyframes pulse-o{0%{box-shadow:0 0 0 0 rgba(255,138,76,.6)}70%{box-shadow:0 0 0 9px rgba(255,138,76,0)}100%{box-shadow:0 0 0 0 rgba(255,138,76,0)}}
.hero-title{font-weight:800;font-size:clamp(30px,6.6vw,52px);line-height:1.08;letter-spacing:-.025em}
.hero-title .hl{color:var(--orange)}
.hero-sub{margin:16px 0 24px;font-size:17.5px;color:#c9d4da;max-width:580px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.hero-cta.center{justify-content:center}
.hero-trust{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:8px 16px;margin-top:22px;font-size:14px;font-weight:600;color:#dbe4e8}
.hero-media{position:relative;max-width:420px;margin:0 auto;width:100%}
.hero-media>img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:20px;box-shadow:var(--shadow);border:3px solid rgba(255,255,255,.08)}
.hero-badge{position:absolute;left:-10px;bottom:34px;display:flex;align-items:center;gap:10px;background:#fff;color:var(--navy);border-radius:14px;padding:8px 14px 8px 8px;box-shadow:var(--shadow);font-size:13px;line-height:1.25}
.hero-badge img{width:56px;height:56px}
.hero-caption{margin-top:10px;text-align:center;font-size:12.5px;color:#8fa1aa}

/* Seletor de problema */
.picker{padding:52px 0;background:var(--bg-soft)}
.picker-grid{display:grid;grid-template-columns:1fr;gap:12px;max-width:900px;margin:0 auto}
@media(min-width:640px){.picker-grid{grid-template-columns:1fr 1fr}}
.picker-card{display:flex;align-items:center;gap:14px;background:#fff;border:1.5px solid var(--line);border-radius:14px;padding:16px 18px;text-decoration:none;font-weight:700;font-size:16px;min-height:64px;transition:border-color .15s,transform .15s,box-shadow .15s}
.picker-card:hover{border-color:var(--orange);transform:translateY(-2px);box-shadow:0 14px 30px -18px rgba(215,90,33,.7)}
.picker-icon{font-size:24px}
.picker-t{flex:1}
.picker-go{color:var(--orange);font-size:22px;font-weight:800}
.picker-note{text-align:center;margin-top:18px;color:var(--ink-soft)}
.picker-note a{font-weight:800;color:var(--orange-dk)}

/* Dor */
.pain{background:var(--navy);color:#fff;padding:58px 0}
.pain-grid{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:720px){.pain-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1000px){.pain-grid{grid-template-columns:repeat(4,1fr)}}
.pain-card{background:var(--navy-2);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:22px}
.pain-icon{font-size:28px}
.pain-card h3{font-size:18px;margin:8px 0 6px}
.pain-card p{color:#b9c6cd;font-size:15px}

/* Método */
.method{padding:62px 0}
.method-grid{display:grid;grid-template-columns:1fr;gap:30px;align-items:center}
@media(min-width:900px){.method-grid{grid-template-columns:.8fr 1.2fr;gap:50px}}
.method-media img{border-radius:20px;box-shadow:var(--shadow);aspect-ratio:4/5;object-fit:cover;width:100%;max-width:420px;margin:0 auto}
.method-copy h2{font-weight:800;font-size:clamp(26px,4.4vw,38px);line-height:1.15;letter-spacing:-.02em}
.method-steps{margin:18px 0 0 20px;display:grid;gap:12px;font-size:16px;color:var(--ink-soft)}
.method-steps strong{color:var(--navy)}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:22px}
.compare>div{border-radius:12px;padding:14px;font-size:14px;display:grid;gap:4px}
.compare-bad{background:#fdecea;color:#7a2416}
.compare-good{background:#e7f6ee;color:#105c33}

/* Serviços */
.services{padding:62px 0;background:var(--bg-soft)}
.svc-grid{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:640px){.svc-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1000px){.svc-grid{grid-template-columns:repeat(3,1fr)}}
.svc-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;gap:8px}
.svc-star{border:2px solid var(--orange)}
.svc-flag{position:absolute;top:-11px;right:16px;background:var(--orange);color:#fff;font-size:11.5px;font-weight:800;padding:4px 10px;border-radius:999px;text-transform:uppercase;letter-spacing:.05em}
.svc-icon{font-size:28px}
.svc-card h3{font-size:18px}
.svc-card p{color:var(--ink-soft);font-size:15px;flex:1}
.svc-link{display:inline-flex;align-items:center;min-height:44px;font-weight:800;color:var(--orange-dk);text-decoration:none}

/* Prova */
.proof{padding:62px 0}
.proof-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(min-width:900px){.proof-grid{grid-template-columns:repeat(3,1fr)}}
.proof-item{background:var(--bg-soft);border-radius:14px;overflow:hidden;min-width:0}
.proof-item img{width:100%;aspect-ratio:4/5;object-fit:cover}
.proof-item figcaption{padding:10px 12px;font-size:13.5px;font-weight:600;color:var(--ink-soft);overflow-wrap:anywhere}

/* Autoridade */
.authority{padding:58px 0;background:var(--orange-soft)}
.authority-grid{display:grid;grid-template-columns:1fr;gap:24px;align-items:center}
@media(min-width:800px){.authority-grid{grid-template-columns:220px 1fr;gap:44px}}
.authority-seal{width:180px;margin:0 auto}
.authority h2{font-weight:800;font-size:clamp(23px,3.8vw,32px);line-height:1.18;letter-spacing:-.015em}
.authority p{margin-top:12px;color:var(--ink-soft);font-size:16.5px}
.authority-list{list-style:none;margin-top:16px;display:grid;gap:8px;font-weight:600;font-size:15px}

/* Como funciona */
.how{background:var(--navy);color:#fff;padding:60px 0}
.steps{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:720px){.steps{grid-template-columns:1fr 1fr}}
@media(min-width:1000px){.steps{grid-template-columns:repeat(4,1fr)}}
.step{background:var(--navy-2);border-radius:var(--radius);padding:22px;border:1px solid rgba(255,255,255,.08)}
.step-num{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--orange);font-weight:800}
.step h3{margin:10px 0 6px;font-size:18px}
.step p{color:#b9c6cd;font-size:15px}

/* Regiões */
.regions{padding:58px 0}
.region-chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;max-width:940px;margin:0 auto}
.region-chip{background:var(--bg-soft);border:1px solid var(--line);border-radius:999px;padding:8px 14px;font-size:14px;font-weight:600}
.region-note{text-align:center;margin-top:16px;color:var(--ink-soft)}

/* FAQ */
.faq{padding:58px 0;background:var(--bg-soft)}
.faq-inner{max-width:820px}
.faq-list{display:grid;gap:10px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px}
.faq-item summary{cursor:pointer;list-style:none;padding:16px 44px 16px 18px;font-weight:800;position:relative;min-height:52px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:18px;top:13px;font-size:22px;color:var(--orange)}
.faq-item[open] summary::after{content:"–"}
.faq-a{padding:0 18px 16px;color:var(--ink-soft)}

/* CTA final */
.final-cta{background:linear-gradient(135deg,var(--orange-dk),var(--orange));color:#fff;padding:58px 0;text-align:center}
.final-cta h2{font-weight:800;font-size:clamp(25px,4.4vw,38px);line-height:1.15;max-width:760px;margin:0 auto}
.final-cta p{margin:12px auto 24px;max-width:640px;font-size:17px;color:#ffe9de}
.final-cta .btn-cta{background:var(--navy);box-shadow:0 12px 28px -12px rgba(8,19,25,.8)}

/* Rodapé */
.footer{background:var(--navy);color:#b9c6cd;padding:46px 0 0;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:26px}
@media(min-width:800px){.footer-grid{grid-template-columns:1.3fr 1fr 1fr}}
.footer h3{color:#fff;font-size:15px;margin-bottom:10px}
.footer ul{list-style:none;display:grid;gap:6px}
.footer ul li a{display:inline-flex;align-items:center;min-height:40px;text-decoration:none}
.footer-brand p{margin-top:12px;max-width:360px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:30px;padding:16px 0;font-size:13px}
.footer-bottom .container{display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between}

/* Barra fixa no celular */
.sticky-mobile{position:fixed;left:0;right:0;bottom:0;z-index:50;display:grid;grid-template-columns:1fr 1.4fr;gap:8px;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--line);box-shadow:0 -10px 30px -18px rgba(8,19,25,.5)}
@media(min-width:900px){.sticky-mobile{display:none}}

/* Modal de saída */
.modal-backdrop{position:fixed;inset:0;z-index:60;background:rgba(8,19,25,.62);display:grid;place-items:center;padding:16px}
.modal{position:relative;background:#fff;border-radius:18px;max-width:440px;width:100%;overflow:hidden;box-shadow:var(--shadow)}
.modal-close{position:absolute;top:8px;right:10px;background:transparent;border:0;font-size:28px;line-height:1;cursor:pointer;color:#fff;width:44px;height:44px}
.modal-head{background:var(--navy);color:#fff;padding:26px 22px 20px}
.modal-eyebrow{font-weight:800;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:#ffb08a}
.modal-head h2{font-size:22px;line-height:1.2;margin:8px 0}
.modal-head p{color:#c9d4da;font-size:15px}
.modal-body{padding:20px 22px 22px}
.exit-points{list-style:none;display:grid;gap:6px;margin-bottom:16px;font-weight:700}
.modal-foot{text-align:center;margin-top:12px;font-size:12.5px;color:var(--ink-soft)}

.alert-short{display:none}
@media(max-width:640px){
  .alert-long{display:none}
  .alert-short{display:inline}
  .alert-inner{font-size:13px;padding:7px 14px;flex-wrap:nowrap}
  .alert-inner span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .hero{padding:24px 0 40px}
  .hero-eyebrow{font-size:11px;padding:6px 12px;margin-bottom:12px}
  .hero-sub{font-size:16px;margin:12px 0 18px}
  .hero-cta .btn{flex:1 1 100%}
}
@media(max-width:420px){
  .hero-trust{grid-template-columns:1fr}
  .topbar .btn{padding:10px 14px}
  .logo img{height:40px}
  .alert-inner a{margin-left:0}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}