:root{--ob-ink:#0b120f;--ob-muted:#66706c;--ob-line:#e5e9e7;--ob-red:#8d1d29;--ob-bg:#f6f7f6}
.ob-app-home-callout{background:#f3f5f4;border:1px solid #e2e7e4;border-radius:28px;padding:30px 32px;display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap}
.ob-app-home-callout h2{margin:8px 0 8px;font-size:clamp(30px,4vw,48px);line-height:1}
.ob-app-home-callout p{margin:0;color:#5c6863;max-width:720px;font-size:17px;line-height:1.55}

.ob-app-page{background:var(--ob-bg);color:var(--ob-ink);min-height:100vh}
.ob-app-shell{width:min(1160px,calc(100% - 34px));margin:0 auto}
.ob-app-top{height:74px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--ob-line)}
.ob-app-brand{font-weight:950;letter-spacing:.08em;font-size:22px;text-decoration:none;color:var(--ob-ink)}
.ob-app-back{font-weight:800;text-decoration:none;color:#34413c}
.ob-app-hero{padding:72px 0 46px;display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.ob-app-kicker{font-size:12px;font-weight:950;letter-spacing:.13em;color:var(--ob-red)}
.ob-app-hero h1{font-size:clamp(48px,7vw,82px);line-height:.93;letter-spacing:-.055em;margin:14px 0 22px;max-width:760px}
.ob-app-hero p{font-size:19px;line-height:1.65;color:var(--ob-muted);max-width:720px}
.ob-app-device{background:#101916;border-radius:34px;padding:26px;color:#fff;min-height:360px;box-shadow:0 30px 70px rgba(7,20,15,.16);display:flex;flex-direction:column;justify-content:space-between}
.ob-app-device img{width:92px;height:92px;border-radius:22px;box-shadow:0 12px 28px rgba(0,0,0,.22)}
.ob-app-device strong{font-size:34px;line-height:1}
.ob-app-device span{color:#b8c5c0;line-height:1.5}
.ob-app-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:20px 0 70px}
.ob-app-card{background:#fff;border:1px solid var(--ob-line);border-radius:26px;padding:27px;min-height:330px;display:flex;flex-direction:column}
.ob-app-os{font-size:12px;font-weight:950;letter-spacing:.1em;color:var(--ob-red)}
.ob-app-card h2{font-size:28px;margin:12px 0 10px}
.ob-app-card p{color:var(--ob-muted);line-height:1.55;margin:0 0 18px}
.ob-app-steps{display:grid;gap:9px;margin:4px 0 22px;color:#2f3935;font-size:14px;line-height:1.45}
.ob-app-steps b{color:var(--ob-ink)}
.ob-app-action{margin-top:auto;border:0;border-radius:14px;background:#101916;color:#fff;text-decoration:none;padding:14px 16px;font-weight:900;text-align:center;cursor:pointer;font:inherit}
.ob-app-action.secondary{background:#fff;color:#101916;border:1px solid #cad2ce}
.ob-app-note{padding:0 0 70px;color:#6b7571;line-height:1.6}
.ob-app-modal{position:fixed;inset:0;background:rgba(7,12,10,.62);z-index:1000;display:none;align-items:flex-end;justify-content:center;padding:18px}
.ob-app-modal.open{display:flex}
.ob-app-modal-card{background:#fff;border-radius:24px;padding:24px;width:min(520px,100%);box-shadow:0 30px 80px rgba(0,0,0,.3)}
.ob-app-modal-card h3{font-size:26px;margin:0 0 10px}
.ob-app-modal-card p{color:#59645f;line-height:1.55}
@media(max-width:860px){.ob-app-hero{grid-template-columns:1fr;gap:28px;padding-top:46px}.ob-app-grid{grid-template-columns:1fr}.ob-app-device{min-height:280px}.ob-app-top{height:64px}}



/* =========================================================
   OBRAZIL V4 — PORTAL COMPLETO / APLICATIVOS
   ========================================================= */
.ob-app-page{
  background:
    radial-gradient(circle at 85% 12%,rgba(37,99,235,.08),transparent 28%),
    #f4f7fb!important;
}
.ob-app-top{
  background:linear-gradient(135deg,#091522,#0d2134)!important;
  border-bottom-color:#21374b!important;
  padding-left:20px!important;padding-right:20px!important;
  width:100%!important;max-width:none!important;
}
.ob-app-brand,.ob-app-back{color:#eaf1f7!important}
.ob-app-hero>div:first-child{
  background:#fff!important;border:1px solid #dce5ee!important;border-radius:28px!important;padding:30px!important;
  box-shadow:0 18px 42px rgba(20,42,66,.07)!important;
}
.ob-app-kicker,.ob-app-os{color:#da4a27!important}
.ob-app-device{background:linear-gradient(145deg,#0b1624,#142b42)!important;border:1px solid #263e54!important}
.ob-app-card{
  border-color:#dce5ee!important;
  box-shadow:0 14px 34px rgba(20,42,66,.06)!important;
}
.ob-app-card:hover{transform:translateY(-2px);box-shadow:0 20px 42px rgba(20,42,66,.10)!important}
.ob-app-action{background:linear-gradient(135deg,#ff6038,#ff7a50)!important}