.inb6 {
  --bg: #eaf3f6;
  --accent: #347a98;
  --text: #172a3a;
  --muted: #53646b;
  --line: #d5e1e5;
  --white: #ffffff;
  max-width: 980px;
  margin: 2rem auto;
  color: var(--text);
  font-size: 17px;
  line-height: 1.55;
}
.inb6, .inb6 * { box-sizing: border-box; }
.inb6__card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 14px 38px rgba(23,42,58,.09);
}
.inb6__header {
  padding: 34px 28px;
  background: var(--bg);
  text-align: center;
}
.inb6__header h2 {
  margin: 5px 0 10px;
  font-size: clamp(30px, 4vw, 42px);
  line-height: 1.15;
}
.inb6__header p:last-child {
  max-width: 720px;
  margin: 0 auto;
  font-size: 18px;
}
.inb6__eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .14em;
}
.inb6__form {
  display: grid;
  gap: 28px;
  padding: 30px;
}
.inb6__grid { display: grid; gap: 18px; }
.inb6__grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.inb6__field > span,
.inb6__group legend {
  display: block;
  margin: 0 0 9px;
  font-size: 18px;
  font-weight: 800;
}
.inb6 input[type="number"],
.inb6 select {
  width: 100%;
  min-height: 52px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: #fff;
  color: var(--text);
  font: inherit;
}
.inb6__group {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}
.inb6__choices {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.inb6__choices label {
  position: relative;
  display: block;
  margin: 0;
  cursor: pointer;
}
.inb6__choices input {
  position: absolute;
  opacity: 0;
}
.inb6__choices label > span {
  display: block;
  min-height: 104px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #f9fbfc;
  transition: .18s ease;
}
.inb6__choices b {
  display: block;
  margin: 0 0 7px;
  font-size: 18px;
  line-height: 1.35;
}
.inb6__choices em {
  display: block;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
  font-style: normal;
}
.inb6__choices input:checked + span {
  background: var(--bg);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(52,122,152,.13);
}
.inb6__choices label:hover > span {
  transform: translateY(-1px);
  border-color: var(--accent);
}
.inb6__result {
  padding: 26px;
  border-radius: 18px;
  background: var(--bg);
}
.inb6__result h3 {
  margin: 0 0 18px;
  text-align: center;
  font-size: 24px;
}
.inb6__rows {
  display: grid;
  gap: 11px;
}
.inb6__rows > div {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 11px;
  border-bottom: 1px solid rgba(23,42,58,.14);
}
.inb6__total {
  display: grid;
  justify-items: center;
  gap: 4px;
  margin: 24px 0 20px;
  text-align: center;
}
.inb6__total span { font-weight: 800; }
.inb6__total strong {
  font-size: clamp(36px, 6vw, 56px);
  line-height: 1.05;
}
.inb6__total small { font-size: 17px; }

.inb6__range {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 20px;
}
.inb6__range-item {
  padding: 16px 14px;
  border-radius: 14px;
  background: #fff;
  text-align: center;
  border: 1px solid var(--line);
}
.inb6__range-item span {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 700;
}
.inb6__range-item strong {
  display: block;
  font-size: 18px;
}
.inb6__range-item--realistic {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(52,122,152,.10);
}
.inb6__note {
  max-width: 760px;
  margin: 18px auto 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
  text-align: center;
}
@media (max-width: 700px) {
  .inb6 { margin: 1rem auto; font-size: 16px; }
  .inb6__form { padding: 20px; gap: 22px; }
  .inb6__grid--2,
  .inb6__choices,
  .inb6__range { grid-template-columns: 1fr; }
  .inb6__choices label > span { min-height: 0; }
  .inb6__header { padding: 28px 20px; }
}