/* HidroFox BH — Landing pages (caça-vazamento / infiltração / drone)
   Mobile-first, sem dependências externas, foco em conversão. */
:root{
  --azul:#0a4d8c;        /* azul institucional */
  --azul-esc:#073763;
  --azul-claro:#e8f2fb;
  --ciano:#12b5c9;       /* acento tecnologia */
  --verde:#25d366;       /* WhatsApp */
  --verde-esc:#1ebe5a;
  --tinta:#12212e;
  --cinza:#5b6b78;
  --linha:#e2e8ee;
  --branco:#ffffff;
  --amarelo:#ffd23f;     /* urgência/destaque */
  --sombra:0 8px 30px rgba(9,54,99,.12);
  --raio:16px;
  --max:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--tinta);background:var(--branco);line-height:1.55;
  -webkit-font-smoothing:antialiased;font-size:17px;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
.sec{padding:64px 0}
h1,h2,h3{line-height:1.15;letter-spacing:-.01em}
h2{font-size:clamp(26px,4.4vw,40px);margin-bottom:14px;color:var(--azul-esc)}
.lead{color:var(--cinza);font-size:clamp(16px,2.2vw,19px);max-width:640px}
.center{text-align:center;margin-left:auto;margin-right:auto}

/* ---------- Header ---------- */
header.top{
  position:sticky;top:0;z-index:40;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--linha);
}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--azul-esc)}
.brand .drop{width:26px;height:26px;flex:none}
.brand small{display:block;font-size:11px;font-weight:600;color:var(--ciano);letter-spacing:.14em;text-transform:uppercase;margin-top:-3px}
.top .cta-mini{background:var(--verde);color:#fff;font-weight:700;padding:10px 16px;border-radius:999px;font-size:15px;display:inline-flex;align-items:center;gap:8px;box-shadow:0 4px 14px rgba(37,211,102,.35)}
.top .cta-mini svg{width:17px;height:17px}

/* ---------- Botões ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-weight:800;
  border-radius:999px;padding:16px 26px;font-size:17px;cursor:pointer;border:0;transition:transform .12s ease,box-shadow .12s ease;text-align:center}
.btn svg{width:20px;height:20px;flex:none}
.btn-wa{background:var(--verde);color:#fff;box-shadow:0 8px 22px rgba(37,211,102,.4)}
.btn-wa:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(37,211,102,.5)}
.btn-ghost{background:#fff;color:var(--azul-esc);border:2px solid var(--linha)}
.btn-lg{padding:18px 32px;font-size:18px}
.btn-block{display:flex;width:100%}

/* ---------- Hero ---------- */
.hero{position:relative;background:radial-gradient(1200px 500px at 80% -10%,rgba(18,181,201,.25),transparent 60%),linear-gradient(160deg,var(--azul) 0%,var(--azul-esc) 100%);color:#fff;overflow:hidden}
.hero:after{content:"";position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Cpath d='M0 30h60M30 0v60' stroke='%23ffffff' stroke-opacity='.05' stroke-width='1'/%3E%3C/svg%3E");pointer-events:none}
.hero .wrap{position:relative;z-index:2;padding-top:56px;padding-bottom:60px}
.hero .badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);color:#eaf6ff;padding:7px 14px;border-radius:999px;font-size:13px;font-weight:700;letter-spacing:.02em;margin-bottom:20px}
.hero .badge .dot{width:8px;height:8px;border-radius:50%;background:var(--verde);box-shadow:0 0 0 4px rgba(37,211,102,.3)}
.hero h1{font-size:clamp(30px,6vw,54px);font-weight:900;max-width:16ch}
.hero h1 span{color:var(--amarelo)}
.hero .sub{margin:18px 0 6px;font-size:clamp(17px,2.6vw,22px);color:#dbebff;max-width:44ch;font-weight:500}
.hero .cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero .cta-row .btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.35)}
.trust{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:30px;list-style:none}
.trust li{display:flex;align-items:center;gap:9px;font-weight:600;font-size:15px;color:#eaf6ff}
.trust svg{width:20px;height:20px;color:var(--verde);flex:none}

/* faixa de sinais rápidos */
.stripe{background:var(--azul-esc);color:#cfe4f6}
.stripe .wrap{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 40px;padding:18px 20px;text-align:center}
.stripe b{color:#fff}
.stripe span{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600}
.stripe svg{width:18px;height:18px;color:var(--ciano)}

/* ---------- Cards de problema/serviço ---------- */
.grid{display:grid;gap:18px}
.grid.c2{grid-template-columns:repeat(2,1fr)}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--linha);border-radius:var(--raio);padding:26px 22px;box-shadow:var(--sombra);transition:transform .14s ease,border-color .14s}
.card:hover{transform:translateY(-4px);border-color:var(--ciano)}
.card .ico{width:52px;height:52px;border-radius:14px;background:var(--azul-claro);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.card .ico svg{width:28px;height:28px;color:var(--azul)}
.card h3{font-size:19px;color:var(--azul-esc);margin-bottom:8px}
.card p{color:var(--cinza);font-size:15.5px}
.card .link{margin-top:14px;color:var(--verde-esc);font-weight:700;font-size:15px;display:inline-flex;align-items:center;gap:6px}

/* ---------- Bloco "como funciona" / passos ---------- */
.steps{display:grid;gap:16px;grid-template-columns:repeat(4,1fr);counter-reset:step}
.step{background:var(--azul-claro);border-radius:var(--raio);padding:24px 20px;position:relative}
.step .n{counter-increment:step;width:38px;height:38px;border-radius:50%;background:var(--azul);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.step .n:before{content:counter(step)}
.step h3{font-size:17px;color:var(--azul-esc);margin-bottom:6px}
.step p{font-size:14.5px;color:var(--cinza)}

/* ---------- Benefícios listados ---------- */
.benef{display:grid;grid-template-columns:1fr 1fr;gap:14px 30px;list-style:none;max-width:820px;margin:0 auto}
.benef li{display:flex;gap:12px;align-items:flex-start;font-size:16px}
.benef svg{width:24px;height:24px;color:var(--verde-esc);flex:none;margin-top:1px}
.benef b{color:var(--azul-esc)}

/* ---------- Prova social ---------- */
.sec-prova{background:var(--azul-claro)}
.depos{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.depo{background:#fff;border-radius:var(--raio);padding:24px;box-shadow:var(--sombra);border:1px solid var(--linha)}
.depo .stars{color:#f4b400;font-size:15px;letter-spacing:2px;margin-bottom:10px}
.depo p{font-size:15.5px;color:var(--tinta)}
.depo .who{display:flex;align-items:center;gap:12px;margin-top:16px}
.depo .av{width:42px;height:42px;border-radius:50%;background:var(--azul);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:16px;flex:none}
.depo .who b{display:block;font-size:15px;color:var(--azul-esc)}
.depo .who small{color:var(--cinza);font-size:13px}
.disc{text-align:center;color:var(--cinza);font-size:13px;margin-top:20px}

/* ---------- CTA de urgência ---------- */
.urg{background:linear-gradient(160deg,var(--azul) 0%,var(--azul-esc) 100%);color:#fff;text-align:center}
.urg .tag{display:inline-flex;align-items:center;gap:8px;background:var(--amarelo);color:#5a4200;font-weight:800;padding:7px 16px;border-radius:999px;font-size:13px;letter-spacing:.03em;text-transform:uppercase;margin-bottom:18px}
.urg h2{color:#fff}
.urg p{color:#dbebff;max-width:560px;margin:0 auto 26px}
.urg .cta-row{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.urg .btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.4)}
.urg .mini{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 26px;margin-top:26px;list-style:none;font-size:14px;color:#cfe4f6}
.urg .mini li{display:flex;align-items:center;gap:7px}
.urg .mini svg{width:16px;height:16px;color:var(--verde)}

/* ---------- FAQ ---------- */
.faq{max-width:760px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--linha);border-radius:12px;margin-bottom:12px;box-shadow:0 2px 8px rgba(9,54,99,.05);overflow:hidden}
.faq summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:700;color:var(--azul-esc);display:flex;justify-content:space-between;align-items:center;gap:14px;font-size:16.5px}
.faq summary::-webkit-details-marker{display:none}
.faq summary .plus{width:24px;height:24px;flex:none;position:relative;transition:transform .2s}
.faq summary .plus:before,.faq summary .plus:after{content:"";position:absolute;background:var(--ciano);border-radius:2px}
.faq summary .plus:before{top:11px;left:4px;right:4px;height:2px}
.faq summary .plus:after{left:11px;top:4px;bottom:4px;width:2px}
.faq details[open] summary .plus{transform:rotate(45deg)}
.faq details p{padding:0 22px 20px;color:var(--cinza);font-size:15.5px}

/* ---------- Footer ---------- */
footer.foot{background:var(--tinta);color:#9fb4c4;padding:44px 0 90px}
footer.foot .brand{color:#fff}
footer.foot .brand small{color:var(--ciano)}
footer.foot .grid-f{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;align-items:flex-start;margin-top:20px}
footer.foot p{font-size:14px;max-width:340px}
footer.foot a.wa-foot{color:var(--verde);font-weight:700}
footer.foot .legal{border-top:1px solid rgba(255,255,255,.1);margin-top:28px;padding-top:18px;font-size:13px;color:#6b8093}

/* ---------- Botão flutuante WhatsApp (discreto/elegante) ---------- */
.float-wa{position:fixed;right:18px;bottom:18px;z-index:60;background:var(--verde);color:#fff;border-radius:999px;height:56px;padding:0 16px;font-weight:700;display:inline-flex;align-items:center;gap:0;box-shadow:0 6px 18px rgba(9,54,99,.22);font-size:15.5px;transition:gap .2s ease,padding .2s ease,transform .15s ease,box-shadow .15s ease;overflow:hidden}
.float-wa svg{width:26px;height:26px;flex:none}
.float-wa .lbl{max-width:0;opacity:0;white-space:nowrap;transition:max-width .25s ease,opacity .2s ease,margin .2s ease}
.float-wa:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(9,54,99,.28);gap:10px}
.float-wa:hover .lbl{max-width:120px;opacity:1;margin-left:2px}
@media(hover:none){.float-wa .lbl{display:none}.float-wa{padding:0;width:56px;justify-content:center}}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.reveal.on{opacity:1;transform:none}

/* ---------- Responsivo ---------- */
@media(max-width:860px){
  .grid.c4{grid-template-columns:repeat(2,1fr)}
  .grid.c3{grid-template-columns:1fr}
  .depos{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .benef{grid-template-columns:1fr}
}
@media(max-width:560px){
  body{font-size:16px}
  .sec{padding:48px 0}
  .grid.c4,.grid.c2{grid-template-columns:1fr}
  .top .cta-mini .lbl{display:none}
  .top .cta-mini{padding:10px 12px}
  .float-wa .lbl{display:none}
  .float-wa{padding:16px}
  .hero .cta-row .btn{width:100%}
}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .float-wa{animation:none}
  html{scroll-behavior:auto}
}

/* ===== Adições da página principal (caça-vazamento) ===== */
.hstats{background:#fff;border-top:1px solid var(--linha);border-bottom:1px solid var(--linha)}
.hstats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.hstats .st{padding:22px 16px;text-align:center;border-right:1px solid var(--linha)}
.hstats .st:last-child{border-right:0}
.hstats .st b{display:block;font-size:clamp(20px,3.2vw,28px);color:var(--azul-esc);font-weight:900;line-height:1.1}
.hstats .st span{font-size:13.5px;color:var(--cinza);font-weight:600}
.rating{display:inline-flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--linha);border-radius:999px;padding:8px 16px;box-shadow:var(--sombra);font-weight:700;color:var(--azul-esc);margin-top:22px}
.rating .stars{color:#f4b400;letter-spacing:1px}
.rating small{color:var(--cinza);font-weight:600}
.laudo{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center;background:linear-gradient(160deg,#0e5aa0,#073763);color:#fff;border-radius:20px;padding:38px 34px;box-shadow:var(--sombra)}
.laudo h2{color:#fff}
.laudo .big{font-size:clamp(40px,7vw,64px);font-weight:900;color:var(--amarelo);line-height:1}
.laudo p{color:#dbebff;font-size:16.5px}
.laudo ul{list-style:none;margin:16px 0 0;display:grid;gap:10px}
.laudo li{display:flex;gap:10px;align-items:flex-start;font-size:15.5px;color:#eaf6ff}
.laudo li svg{width:22px;height:22px;color:var(--verde);flex:none;margin-top:1px}
.laudo .side{text-align:center;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);border-radius:16px;padding:26px}
.chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:820px;margin:22px auto 0}
.chips span{background:var(--azul-claro);color:var(--azul-esc);font-weight:700;font-size:14.5px;padding:9px 16px;border-radius:999px;border:1px solid #d5e6f5}
@media(max-width:860px){.hstats .wrap{grid-template-columns:repeat(2,1fr)}.hstats .st:nth-child(2){border-right:0}.laudo{grid-template-columns:1fr;padding:30px 24px}}

/* ===== Imagens ilustrativas ===== */
.hero .wrap.hero-split{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.hero-media{position:relative}
.hero-media img{width:100%;border-radius:18px;box-shadow:0 20px 50px rgba(0,0,0,.35);border:1px solid rgba(255,255,255,.15);aspect-ratio:3/2;object-fit:cover}
.hero-media .cap{position:absolute;left:12px;bottom:12px;background:rgba(7,55,99,.82);color:#eaf6ff;font-size:11.5px;font-weight:600;padding:5px 10px;border-radius:8px;backdrop-filter:blur(4px)}
.figrow{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:36px}
.fig{border-radius:16px;overflow:hidden;box-shadow:var(--sombra);border:1px solid var(--linha);background:#fff;position:relative}
.fig img{width:100%;aspect-ratio:16/10;object-fit:cover;display:block}
.fig figcaption{padding:12px 16px;font-size:14px;color:var(--cinza);font-weight:600}
.fig .tag-il{position:absolute;top:10px;left:10px;background:rgba(10,77,140,.9);color:#fff;font-size:10.5px;font-weight:700;letter-spacing:.04em;padding:4px 9px;border-radius:6px;text-transform:uppercase}
@media(max-width:860px){
  .hero .wrap.hero-split{grid-template-columns:1fr;gap:26px}
  .hero-media{order:-1}
  .figrow{grid-template-columns:1fr}
}