/* ============================================================
   LNR — folha compartilhada das landing pages de nicho
   (/topografia e /campo). Página de prospecção: sem menu,
   sem lista de serviços, sem cursos, um único CTA.
   ============================================================ */
:root{
  --preto:#050505;
  --preto2:#0B0D0E;
  --branco:#FFFFFF;
  --turquesa:#46B8D1;
  --laranja:#FF5A1F;
  --cinza:#B9C0C4;
  --borda:rgba(70,184,209,.14);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--preto);color:var(--branco);
  font-family:'Montserrat',sans-serif;line-height:1.6;overflow-x:hidden;
}
::selection{background:var(--turquesa);color:var(--preto)}
.wrap{max-width:940px;margin:0 auto;padding:0 24px}

/* fundo */
.grid-bg{
  position:fixed;inset:0;z-index:-2;pointer-events:none;
  background-image:
    linear-gradient(rgba(70,184,209,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(70,184,209,.045) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 90% 60% at 50% 0%,#000 30%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 90% 60% at 50% 0%,#000 30%,transparent 75%);
}
.glow{
  position:fixed;z-index:-1;border-radius:50%;filter:blur(140px);pointer-events:none;
  width:520px;height:520px;background:var(--turquesa);top:-200px;right:-140px;opacity:.15;
}

/* topo: só a marca, sem navegação (página de destino) */
.lp-topo{padding:30px 0 0}
.lp-logo{height:38px;width:auto;display:block}

/* hero */
.lp-hero{padding:64px 0 12px}
.tag{
  display:inline-block;font-size:.7rem;font-weight:600;letter-spacing:.26em;
  text-transform:uppercase;color:var(--turquesa);margin-bottom:20px;
}
.tag::before{content:"";display:inline-block;width:26px;height:1px;background:var(--turquesa);vertical-align:middle;margin-right:12px}
h1{
  font-weight:900;text-transform:uppercase;
  font-size:clamp(1.85rem,4.6vw,3.15rem);line-height:1.08;letter-spacing:-.015em;
}
h1 .accent{color:var(--turquesa)}
.sub{margin-top:26px;color:var(--cinza);font-size:1.06rem;max-width:660px}

/* vídeo do caso */
.lp-caso{padding:56px 0 0}
.lp-video{
  position:relative;aspect-ratio:16/10;border:1px solid var(--borda);border-radius:10px;
  overflow:hidden;background:var(--preto2);
}
.lp-video video{width:100%;height:100%;object-fit:cover;display:block}
.lp-video figcaption{
  position:absolute;left:16px;top:16px;
  background:rgba(5,5,5,.82);border:1px solid var(--borda);color:var(--turquesa);
  font-size:.58rem;font-weight:800;letter-spacing:.2em;text-transform:uppercase;
  padding:6px 12px;border-radius:4px;
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}

/* blocos do caso */
.lp-blocos{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-top:26px}
.lp-bloco{border:1px solid var(--borda);border-radius:8px;padding:26px 24px;background:var(--preto2)}
.lp-bloco b{
  display:block;font-size:.6rem;font-weight:800;letter-spacing:.2em;
  text-transform:uppercase;color:var(--turquesa);margin-bottom:10px;
}
.lp-bloco p{color:var(--cinza);font-size:.92rem}
.lp-bloco.destaque{border-color:rgba(70,184,209,.42);background:rgba(70,184,209,.05)}
.lp-bloco.destaque p{color:var(--branco);font-weight:600}

/* CTA único */
.lp-cta{padding:74px 0 90px;text-align:center}
.lp-cta h2{
  font-weight:900;text-transform:uppercase;font-size:clamp(1.5rem,3.4vw,2.3rem);
  line-height:1.15;margin-bottom:16px;
}
.lp-cta .sub{margin:0 auto 34px}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--laranja);color:var(--branco);
  padding:19px 40px;border-radius:4px;text-decoration:none;
  font-weight:800;font-size:.92rem;letter-spacing:.06em;text-transform:uppercase;
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 32px rgba(255,90,31,.35)}
.lp-nota{margin-top:20px;color:rgba(185,192,196,.65);font-size:.82rem}

/* rodapé mínimo */
.lp-rodape{border-top:1px solid var(--borda);padding:30px 0}
.lp-rodape p{color:var(--cinza);font-size:.76rem;text-align:center}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
}
@media (max-width:640px){
  .lp-hero{padding:44px 0 8px}
  .lp-cta{padding:58px 0 70px}
  .btn{width:100%;justify-content:center;padding:19px 24px}
}