:root{
  --brand:#9B2C4A; --brand-600:#842242; --ink:#1e1e1e; --muted:#6b6b6b;
  --bg:#fff; --soft:#F6EEF1; --ok:#0f7b3f; --radius:18px;
  --shadow:0 10px 30px rgba(155,44,74,.12);
}
*{box-sizing:border-box}
.bi-container{max-width:1160px;margin:0 auto;padding:0 20px}
.bi-btn{background:var(--brand);color:#fff;border:0;border-radius:999px;
  padding:14px 20px;font-weight:700;cursor:pointer;box-shadow:var(--shadow);display:inline-block;text-decoration:none}
.bi-btn:hover{background:var(--brand-600)}
.bi-btn.link{background:transparent;color:var(--brand);box-shadow:none}
.bi-card{background:#fff;border:1px solid #eee;border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.bi-card.soft{background:var(--soft);border-color:transparent}
.bi-note{font-size:12px;color:var(--muted)}
.bi-list{margin:0;padding-left:18px}
.bi-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.bi-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.bi-section{padding:32px 0;border-top:1px solid #eee}
.bi-section h2{font-size:28px;margin:0 0 14px}
.bi-badge{display:inline-flex;gap:8px;background:var(--soft);color:var(--brand);
  font-weight:700;padding:8px 12px;border-radius:999px;font-size:12px;margin-bottom:8px}
.bi-badges{display:flex;gap:12px;flex-wrap:wrap}
.bi-badge-soft{background:var(--soft);padding:8px 10px;border-radius:999px;color:#4a4a4a;font-size:12px}
.bi-hero{padding:38px 0 22px}
.bi-hero h1{font-size:40px;line-height:1.1;margin:.2em 0 .4em}
.bi-lead{font-size:18px;color:#333;margin:0 0 22px}
.bi-hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center}
.bi-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 16px}
.bi-tabs button{border:1px solid #eee;background:#fff;border-radius:999px;padding:8px 12px;font-size:13px;color:#333;cursor:pointer}
.bi-tabs button.active{background:var(--brand);color:#fff;border-color:var(--brand)}
.bi-form{background:#fff;border:1px solid #eee;border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.bi-form input,.bi-form select,.bi-form textarea{width:100%;padding:14px;border:1px solid #ddd;border-radius:12px;font-size:15px}
.bi-roi .row{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
.bi-roi .result{font-weight:800;font-size:24px;color:var(--ok)}
.bi-faq details{background:#fff;border:1px solid #eee;border-radius:12px;padding:12px 14px}
.bi-faq details+details{margin-top:10px}
@media(max-width:960px){
  .bi-hero-grid{grid-template-columns:1fr}
  .bi-grid-3,.bi-grid-2{grid-template-columns:1fr}
  .bi-roi .row{grid-template-columns:1fr 1fr}
}