.calc-page {
  max-width: 1120px;
  margin: 0 auto;
  padding: 64px 28px 104px;
}
.calc-page h1 {
  font:
    700 clamp(46px, 7vw, 78px)/1 Georgia,
    serif;
  letter-spacing: -0.045em;
  max-width: 880px;
  margin: 0;
}
.calc-lead {
  font:
    23px/1.55 Georgia,
    serif;
  max-width: 780px;
  margin: 26px 0 52px;
}
.calc-shell {
  display: grid;
  grid-template-columns: minmax(0, 620px) minmax(280px, 1fr);
  gap: 20px;
  align-items: start;
}
.calc-form {
  background: #fff;
  border-top: 4px solid #bf4d26;
  padding: 32px;
}
.calc-field {
  display: grid;
  grid-template-columns: 1fr 170px;
  gap: 22px;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid #dfddd3;
}
.calc-field:first-child {
  padding-top: 0;
}
.calc-field label {
  font-weight: 800;
}
.calc-field small {
  display: block;
  color: #5e6863;
  font-weight: 400;
  margin-top: 5px;
  line-height: 1.4;
}
.input-unit {
  display: grid;
  grid-template-columns: 1fr 40px;
  border: 1px solid #aaa99f;
  background: #fff;
}
.input-unit input {
  width: 100%;
  border: 0;
  padding: 13px;
  font:
    700 17px Arial,
    sans-serif;
  min-width: 0;
}
.input-unit span {
  display: grid;
  place-items: center;
  color: #5e6863;
  background: #f1eee5;
}
.calc-actions {
  display: flex;
  gap: 10px;
  margin-top: 26px;
}
.calc-actions button {
  border: 0;
  padding: 15px 20px;
  font-weight: 800;
  cursor: pointer;
}
.calc-actions button:first-child {
  background: #193c32;
  color: #fff;
}
.calc-actions .reset {
  background: #ebe8de;
  color: #193c32;
}
.calc-result {
  background: #193c32;
  color: #fff;
  padding: 32px;
  position: sticky;
  top: 100px;
}
.calc-result .caption {
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: #d5ef64;
  font-size: 12px;
  font-weight: 800;
}
.big-result {
  font:
    700 78px/1 Georgia,
    serif;
  margin: 16px 0 4px;
}
.big-result span {
  font:
    700 22px Arial,
    sans-serif;
}
.result-lines {
  margin-top: 30px;
  border-top: 1px solid #49675e;
}
.result-line {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px solid #49675e;
}
.result-line span {
  color: #cbd8d2;
}
.calc-warning {
  margin: 20px 0 0;
  color: #ffcab8;
  min-height: 24px;
}
.calc-method {
  margin-top: 54px;
  display: grid;
  grid-template-columns: 220px minmax(0, 700px);
  gap: 54px;
  border-top: 1px solid #cbc9bd;
  padding-top: 44px;
}
.calc-method h2 {
  font:
    700 31px/1.15 Georgia,
    serif;
  margin: 0;
}
.calc-method ol {
  margin: 0;
  padding-left: 22px;
}
.calc-method li {
  margin-bottom: 14px;
}
.calc-method a {
  font-weight: 700;
  color: #193c32;
}
@media (max-width: 780px) {
  .calc-page {
    padding: 44px 18px 74px;
  }
  .calc-shell {
    grid-template-columns: 1fr;
  }
  .calc-result {
    position: static;
  }
  .calc-field {
    grid-template-columns: 1fr;
  }
  .calc-method {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}
@media print {
  .site-header,
  .breadcrumb,
  .site-footer,
  .calc-actions {
    display: none !important;
  }
  .calc-page {
    padding: 0;
  }
  .calc-shell {
    grid-template-columns: 1fr 1fr;
  }
  .calc-result {
    position: static;
  }
  .calc-method {
    break-inside: avoid;
  }
}
[hidden] {
  display: none !important;
}
.calc-page h1 {
  font-size: clamp(36px, 5vw, 58px);
}
.calc-lead {
  font:
    20px/1.55 Arial,
    sans-serif;
  margin: 22px 0 32px;
}
.calc-shell {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}
.calc-form fieldset {
  border: 0;
  margin: 0 0 32px;
  padding: 0;
  min-width: 0;
}
.calc-form legend {
  font:
    700 24px Georgia,
    serif;
  margin-bottom: 16px;
}
.calc-field {
  grid-template-columns: minmax(0, 1fr) 140px;
  gap: 12px;
  padding: 12px 0;
}
.calc-field input,
.calc-field select {
  width: 100%;
  min-width: 0;
  padding: 12px;
  border: 1px solid #999;
  font:
    16px Arial,
    sans-serif;
  border-radius: 0;
  color: #17251e;
  background: white;
}
.field-help {
  font:
    14px/1.5 Arial,
    sans-serif;
  color: #4d5e55;
}
.accessory-input {
  padding: 14px 0;
  border-top: 1px solid #ccc;
}
.accessory-input h3 {
  font:
    700 17px Arial,
    sans-serif;
  margin: 8px 0;
}
.calc-warning {
  color: #8b2815;
  margin: 0 0 14px;
}
.calc-result {
  position: static;
}
.calc-result .field-help {
  color: #dce6e1;
}
.calc-result .caption {
  font-size: 14px;
  color: #e6ece8;
}
.big-result {
  font-size: 64px;
}
.estimate-table {
  width: 100%;
  border-collapse: collapse;
  font:
    14px/1.5 Arial,
    sans-serif;
  margin-top: 24px;
  table-layout: fixed;
}
.estimate-table th,
.estimate-table td {
  padding: 10px 5px;
  text-align: left;
  border-bottom: 1px solid #49675e;
  overflow-wrap: anywhere;
}
.estimate-table th:first-child {
  width: 43%;
}
.estimate-table caption {
  text-align: left;
  font-size: 20px;
  margin-bottom: 12px;
}
.estimate-total {
  font:
    700 32px Arial,
    sans-serif;
}
.calc-result button {
  font-size: 16px;
  padding: 13px;
  border: 1px solid white;
  background: white;
  color: #193c32;
  cursor: pointer;
}
input:focus-visible,
select:focus-visible,
button:focus-visible {
  outline: 3px solid #bf4d26;
  outline-offset: 3px;
}
@media (max-width: 900px) {
  .calc-shell {
    grid-template-columns: 1fr;
  }
  .calc-result {
    padding: 24px;
  }
  .calc-form {
    padding: 24px;
  }
}
@media (max-width: 400px) {
  .calc-field {
    grid-template-columns: 1fr;
  }
  .calc-actions {
    flex-wrap: wrap;
  }
}
@media print {
  .calc-shell {
    display: block;
  }
  .calc-form {
    padding: 0;
  }
  .calc-result {
    color: #111;
    background: #fff;
    padding: 0;
  }
  .calc-result * {
    color: #111 !important;
  }
  .calc-result button {
    display: none;
  }
  .calc-form fieldset {
    break-inside: avoid;
  }
  .calc-method {
    display: none;
  }
  .estimate-table tr {
    break-inside: avoid;
  }
  .calc-page h1 {
    font-size: 30px;
  }
  .calc-lead {
    font-size: 16px;
  }
}

.estimate-prep {
  margin: 0 0 28px;
  padding: 24px;
  border: 1px solid #cbc9bd;
  border-left: 4px solid #9b7a43;
  background: #f0ede5;
  color: #192b23;
  scroll-margin-top: 96px;
  font-size: 1rem;
  line-height: 1.6;
}
.estimate-prep h2 { margin: 0 0 12px; font: 700 1.5rem/1.25 Georgia, serif; }
.estimate-prep p { margin: 12px 0; }
.estimate-prep summary { cursor: pointer; font-weight: 700; padding: 8px 0; }
.estimate-prep summary:focus-visible { outline: 3px solid #9b7a43; outline-offset: 3px; }
.estimate-prep ol { padding-left: 24px; }
.estimate-prep li { margin: 12px 0; }
.estimate-prep a { text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 400px) { .estimate-prep { padding: 18px; } }
@media print { .estimate-prep { display: none; } }