.calc-page { padding: 3rem 0 4rem; }
.calc-page__head { text-align:center; margin-bottom:2rem; }
.calc-page__head h1 { color: var(--color-primary); margin: 0 0 .5rem; }
.calc-page__lead { opacity:.8; }
.calc-list { list-style:none; padding:0; margin:0; display:grid; gap:1rem; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.calc-list a {
  display:block; padding:1.2rem; text-decoration:none; color:inherit;
  background: var(--color-background, #fff);
  border:1px solid color-mix(in srgb, var(--color-text) 12%, transparent);
  border-radius:.5rem;
}
.calc-list a:hover { border-color: var(--color-primary); }
.calc-list h3 { margin:0 0 .4rem; color: var(--color-primary); }

.calc-success { background:#d1fae5; color:#065f46; padding:.9rem 1.1rem; border-radius:.5rem; margin-bottom:1.2rem; font-weight:600; }

.calc-widget {
  display:grid; grid-template-columns: 1fr 280px;
  gap: 1.5rem;
  background: var(--color-background, #fff);
  border: 1px solid color-mix(in srgb, var(--color-text) 12%, transparent);
  border-radius: .6rem;
  padding: 1.5rem;
}
@media (max-width: 800px) { .calc-widget { grid-template-columns: 1fr; } }

.calc-widget__form { display:flex; flex-direction:column; gap:1rem; grid-column: 1; }
.calc-field { display:flex; flex-direction:column; gap:.3rem; }
.calc-field label { display:flex; flex-direction:column; gap:.4rem; }
.calc-field label > span { font-weight:600; font-size:.95rem; }
.calc-field label > span em { color:#dc2626; }
.calc-field input[type="number"], .calc-field select, .calc-field input[type="text"] {
  padding:.6rem .75rem; border:1px solid color-mix(in srgb, var(--color-text) 18%, transparent); border-radius:.4rem; font:inherit; background:#fff;
}
.calc-field__hint { font-size:.78rem; opacity:.7; }
.calc-field__check { display:inline-flex; align-items:center; gap:.5rem; }
.calc-field__radios { display:flex; flex-direction:column; gap:.4rem; }
.calc-field__radio { display:flex; align-items:flex-start; gap:.5rem; cursor:pointer; padding:.6rem .8rem; border:1px solid #e5e7eb; border-radius:.4rem; transition: background .15s, border-color .15s; }
.calc-field__radio:has(input:checked) { border-color: var(--color-primary); background: color-mix(in srgb, var(--color-primary) 5%, white); }
.calc-field__radio input { margin-top:.2rem; flex-shrink:0; }
.calc-field__radio small { display:block; font-weight:500; opacity:.7; font-size:.78rem; }

.calc-widget__total {
  grid-column: 2; align-self: start;
  position: sticky; top: 1rem;
  background: color-mix(in srgb, var(--color-primary) 6%, transparent);
  border: 2px solid var(--color-primary);
  border-radius:.5rem;
  padding: 1.2rem 1.4rem;
  text-align:center;
}
.calc-widget__total-label { font-size:.85rem; opacity:.7; text-transform:uppercase; letter-spacing:.05em; }
.calc-widget__total-value {
  font-size: 2.2rem; font-weight: 800;
  color: var(--color-primary); margin: .3rem 0;
}
@media (max-width: 800px) {
  .calc-widget__total { position:static; }
}

.calc-request {
  grid-column: 1 / -1;
  margin-top: 1rem;
  padding-top: 1.5rem;
  border-top: 1px dashed #d1d5db;
}
.calc-request summary {
  cursor:pointer; padding: .7rem 1rem;
  background: var(--color-primary); color:#fff;
  border-radius: .4rem; font-weight: 600;
  list-style: none; user-select:none;
  display: inline-block;
}
.calc-request__form { display:flex; flex-direction:column; gap:.8rem; margin-top: 1rem; }
.calc-request__form label { display:flex; flex-direction:column; gap:.3rem; }
.calc-request__form label > span { font-weight:600; font-size:.9rem; }
.calc-request__form label > span em { color:#dc2626; }
.calc-request__form input, .calc-request__form textarea {
  padding:.55rem .7rem; border:1px solid #d1d5db; border-radius:.35rem; font:inherit; background:#fff;
}
.calc-request__row { display:grid; grid-template-columns:1fr 1fr; gap:1rem; }
@media (max-width: 600px) { .calc-request__row { grid-template-columns:1fr; } }
.calc-request__check { flex-direction:row !important; align-items:flex-start; gap:.5rem; font-size:.88rem; }
.calc-widget__btn {
  background: var(--color-primary); color:#fff;
  padding:.7rem 1.5rem; border:0; border-radius:.4rem;
  font-weight:600; cursor:pointer; align-self: flex-start;
}
.calc-widget__btn:hover { filter: brightness(.92); }