.bsim {
  --bsim-dark: #2c6660;
  --bsim-green: #2fa84f;
  --bsim-ink: #17323a;
  --bsim-muted: #5b6b70;
  --bsim-line: #dce7e3;
  --bsim-soft: #f3f8f6;
  max-width: 760px;
  margin: 32px auto;
  border: 1px solid var(--bsim-line);
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  color: var(--bsim-ink);
  font-family: inherit;
}
.bsim * { box-sizing: border-box; }

.bsim-head { background: var(--bsim-dark); color: #fff; padding: 28px 28px 24px; }
.bsim-kicker { margin: 0 0 6px; font-size: 13px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: #bfe3cc; }
.bsim-title { margin: 0 0 6px; font-size: 26px; line-height: 1.25; color: #fff; }
.bsim-sub { margin: 0; color: #dcebe7; }

.bsim-form { padding: 24px 28px 8px; }
.bsim-q { border: 0; padding: 0; margin: 0 0 22px; }
.bsim-q legend { font-weight: 700; font-size: 17px; margin-bottom: 10px; padding: 0; }
.bsim-q legend small { font-weight: 400; color: var(--bsim-muted); }

.bsim-opt { display: flex; align-items: center; gap: 10px; padding: 11px 14px; margin-bottom: 8px; border: 1px solid var(--bsim-line); border-radius: 8px; cursor: pointer; transition: border-color .15s, background .15s; }
.bsim-opt:hover { border-color: var(--bsim-green); }
.bsim-opt input { accent-color: var(--bsim-green); width: 18px; height: 18px; flex: none; margin: 0; }
.bsim-opt:has(input:checked) { border-color: var(--bsim-green); background: var(--bsim-soft); }

.bsim-result { margin: 0 28px; padding: 22px 24px; border-radius: 10px; background: var(--bsim-soft); border: 1px solid var(--bsim-line); }
.bsim-result-label { margin: 0 0 4px; font-size: 14px; color: var(--bsim-muted); }
.bsim-price { margin: 0 0 12px; font-size: 32px; font-weight: 800; color: var(--bsim-dark); line-height: 1.2; }
.bsim-price small { font-size: 16px; font-weight: 600; }
.bsim-lines { margin: 0 0 10px; padding-left: 18px; }
.bsim-lines li { margin-bottom: 4px; }
.bsim-reste { margin: 0 0 10px; font-weight: 700; color: var(--bsim-green); font-size: 18px; }
.bsim-warn { margin: 0 0 10px; padding: 10px 12px; border-left: 4px solid #e0a12b; background: #fff8ea; border-radius: 4px; }
.bsim-note { margin: 0; font-size: 13px; color: var(--bsim-muted); }

.bsim-lead { padding: 24px 28px 28px; }
.bsim-lead-title { font-weight: 700; font-size: 19px; margin: 0 0 12px; }
.bsim-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 12px; }
.bsim-fields input { width: 100%; padding: 12px 14px; border: 1px solid var(--bsim-line); border-radius: 8px; font: inherit; }
.bsim-fields input:focus { outline: 2px solid var(--bsim-green); outline-offset: 0; border-color: transparent; }
.bsim-hp { position: absolute !important; left: -9999px !important; height: 0; width: 0; opacity: 0; }
.bsim-consent { display: flex; gap: 8px; align-items: flex-start; font-size: 14px; color: var(--bsim-muted); margin-bottom: 14px; }
.bsim-consent input { margin-top: 3px; accent-color: var(--bsim-green); }
.bsim-btn { display: inline-block; width: 100%; padding: 14px 20px; border: 0; border-radius: 8px; background: var(--bsim-green); color: #fff; font: inherit; font-weight: 700; font-size: 17px; cursor: pointer; }
.bsim-btn:hover { filter: brightness(.95); }
.bsim-btn:disabled { opacity: .6; cursor: default; }
.bsim-msg { margin: 12px 0 0; min-height: 1.4em; }
.bsim-msg.is-ok { color: var(--bsim-green); font-weight: 600; }
.bsim-msg.is-error { color: #b3261e; }

@media (max-width: 600px) {
  .bsim { margin: 20px 0; border-radius: 0; border-left: 0; border-right: 0; }
  .bsim-head, .bsim-form, .bsim-lead { padding-left: 16px; padding-right: 16px; }
  .bsim-result { margin: 0 16px; padding: 18px; }
  .bsim-title { font-size: 22px; }
  .bsim-price { font-size: 26px; }
  .bsim-fields { grid-template-columns: 1fr; }
}
.bsim-opt small { color: var(--bsim-muted); font-size: 14px; }
.bsim-q[hidden] { display: none; }
.bsim-preview { white-space: pre-line; font-weight: 400 !important; }