/* Solidcon concrete calculator */
.calculator-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 84% 18%, rgba(249,115,22,.16), transparent 22rem),
    linear-gradient(135deg, #f8fbff 0%, #fff 58%, #f9fafb 100%);
  border-bottom: 1px solid var(--gray-100);
}
.calculator-hero::after {
  content: '';
  position: absolute;
  right: -8rem;
  bottom: -11rem;
  width: 28rem;
  height: 28rem;
  border: 4rem solid rgba(34,84,142,.045);
  border-radius: 50%;
  pointer-events: none;
}
.calculator-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: center;
  padding-top: 3.5rem;
  padding-bottom: 3.5rem;
}
.calculator-hero__copy { max-width: 790px; }
.calculator-hero__lead {
  max-width: 730px;
  margin-top: 1rem;
  color: var(--gray-600);
  font-size: 1.075rem;
  line-height: 1.75;
}
.calculator-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  margin-top: 1.35rem;
  padding: .6rem .85rem;
  border: 1px solid rgba(34,84,142,.14);
  border-radius: 999px;
  background: rgba(255,255,255,.82);
  color: var(--blue-dark);
  font-size: .875rem;
  font-weight: 650;
  box-shadow: 0 8px 26px rgba(34,84,142,.08);
}
.calculator-hero__badge svg { width: 1rem; height: 1rem; color: var(--orange); }
.calculator-hero__visual {
  width: 9.5rem;
  height: 9.5rem;
  display: grid;
  place-items: center;
  border-radius: 2rem;
  background: var(--blue);
  color: #fff;
  box-shadow: 0 24px 55px rgba(34,84,142,.24);
  transform: rotate(3deg);
}
.calculator-hero__visual svg { width: 4.25rem; height: 4.25rem; }

.calculator-section { background: var(--gray-50); }
.calculator-shell {
  overflow: hidden;
  border: 1px solid var(--gray-200);
  border-radius: 1.25rem;
  background: #fff;
  box-shadow: 0 24px 60px rgba(20,34,51,.09);
}
.calculator-shell__top { padding: clamp(1.25rem, 3vw, 2rem); border-bottom: 1px solid var(--gray-200); }
.calculator-step-label {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  margin-bottom: .85rem;
  color: var(--blue);
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.calculator-step-label__number {
  width: 1.7rem;
  height: 1.7rem;
  display: inline-grid;
  place-items: center;
  border-radius: .45rem;
  background: var(--blue);
  color: #fff;
  letter-spacing: 0;
}
.calculator-type-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .85rem;
  margin-top: 1.25rem;
}
.calculator-type {
  position: relative;
  min-height: 8.2rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  gap: .85rem;
  padding: 1rem;
  border: 1.5px solid var(--gray-200);
  border-radius: .85rem;
  background: #fff;
  text-align: left;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.calculator-type:hover {
  transform: translateY(-2px);
  border-color: rgba(34,84,142,.35);
  box-shadow: 0 12px 25px rgba(20,34,51,.08);
}
.calculator-type.is-active {
  border-color: var(--blue);
  background: #f4f8fd;
  box-shadow: 0 0 0 3px rgba(34,84,142,.09);
}
.calculator-type__icon {
  width: 2.75rem;
  height: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: .5rem;
  background: var(--blue);
  color: #fff;
  box-shadow: 0 7px 18px rgba(34,84,142,.18);
}
.calculator-type__icon svg { width: 1.35rem; height: 1.35rem; }
.calculator-type__text strong { display: block; color: var(--gray-900); font-size: .98rem; line-height: 1.3; }
.calculator-type__text span { display: block; margin-top: .2rem; color: var(--gray-500); font-size: .78rem; line-height: 1.45; }
.calculator-type__check {
  position: absolute;
  top: .7rem;
  right: .7rem;
  width: 1.25rem;
  height: 1.25rem;
  display: grid;
  place-items: center;
  border: 1.5px solid var(--gray-300);
  border-radius: 50%;
  background: #fff;
  color: transparent;
}
.calculator-type.is-active .calculator-type__check { border-color: var(--orange); background: var(--orange); color: #fff; }
.calculator-type__check svg { width: .75rem; height: .75rem; }

.calculator-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(19rem, .75fr);
  align-items: stretch;
}
.calculator-input-panel { padding: clamp(1.35rem, 3vw, 2rem); }
.calculator-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
}
.calculator-fields[hidden], .column-fields[hidden] { display: none !important; }
.calc-field { min-width: 0; }
.calc-field--wide { grid-column: 1 / -1; }
.calc-input-wrap { position: relative; }
.calc-input-wrap .form-control { padding-right: 3.25rem; min-height: 3.15rem; font-weight: 650; }
.calc-input-unit {
  position: absolute;
  right: .85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  font-size: .82rem;
  font-weight: 700;
  pointer-events: none;
}
.calc-field__hint { margin-top: .35rem; color: var(--gray-400); font-size: .76rem; line-height: 1.45; }
.column-section-toggle {
  display: inline-flex;
  gap: .35rem;
  margin-bottom: .1rem;
  padding: .3rem;
  border: 1px solid var(--gray-200);
  border-radius: .7rem;
  background: var(--gray-50);
}
.column-section-toggle button {
  padding: .58rem .8rem;
  border-radius: .48rem;
  color: var(--gray-600);
  font-size: .84rem;
  font-weight: 700;
}
.column-section-toggle button.is-active { background: #fff; color: var(--blue); box-shadow: var(--shadow); }
.column-fields { display: contents; }
.reserve-block { margin-top: 1.5rem; padding-top: 1.4rem; border-top: 1px solid var(--gray-200); }
.reserve-options { display: grid; grid-template-columns: repeat(4, 1fr); gap: .55rem; margin-top: .85rem; }
.reserve-option { position: relative; }
.reserve-option input { position: absolute; opacity: 0; pointer-events: none; }
.reserve-option span {
  min-height: 2.85rem;
  display: grid;
  place-items: center;
  border: 1.5px solid var(--gray-200);
  border-radius: .65rem;
  background: #fff;
  color: var(--gray-600);
  font-size: .9rem;
  font-weight: 750;
  cursor: pointer;
  transition: border-color .18s, background .18s, color .18s, box-shadow .18s;
}
.reserve-option input:checked + span { border-color: var(--blue); background: #f4f8fd; color: var(--blue); box-shadow: 0 0 0 3px rgba(34,84,142,.08); }
.reserve-option input:focus-visible + span { outline: 2px solid var(--orange); outline-offset: 2px; }

.calculator-result-panel {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(1.5rem, 3vw, 2.1rem);
  background: linear-gradient(155deg, var(--blue) 0%, #173c68 100%);
  color: #fff;
}
.calculator-result-panel::before {
  content: '';
  position: absolute;
  width: 15rem;
  height: 15rem;
  right: -7rem;
  top: -7rem;
  border-radius: 50%;
  border: 2.5rem solid rgba(255,255,255,.045);
}
.calculator-result-panel > * { position: relative; z-index: 1; }
.calculator-result-panel h3 { color: #fff; font-size: 1.08rem; }
.calculator-result-empty { padding: 2.5rem 0; color: rgba(255,255,255,.74); }
.calculator-result-empty svg { width: 2.4rem; height: 2.4rem; margin-bottom: .8rem; color: rgba(255,255,255,.5); }
.calculator-result-empty p { line-height: 1.6; }
.calculator-result-final-label { margin-top: 1.9rem; color: rgba(255,255,255,.7); font-size: .76rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.calculator-result-final {
  margin-top: .25rem;
  color: #fff;
  font-size: clamp(2.4rem, 5vw, 3.7rem);
  font-weight: 850;
  line-height: 1.05;
  letter-spacing: -.04em;
}
.calculator-result-breakdown { margin-top: 1.4rem; padding: 1rem; border: 1px solid rgba(255,255,255,.14); border-radius: .8rem; background: rgba(255,255,255,.075); }
.calculator-result-row { display: flex; justify-content: space-between; gap: 1rem; color: rgba(255,255,255,.72); font-size: .83rem; }
.calculator-result-row + .calculator-result-row { margin-top: .55rem; padding-top: .55rem; border-top: 1px solid rgba(255,255,255,.1); }
.calculator-result-row strong { color: #fff; font-weight: 750; }
.calculator-result-formula { margin-top: .8rem; color: rgba(255,255,255,.62); font-size: .75rem; line-height: 1.5; }
.calculator-result-note { margin-top: 1rem; color: rgba(255,255,255,.66); font-size: .75rem; line-height: 1.55; }
.calculator-result-button { width: 100%; justify-content: center; margin-top: 1.4rem; border: 0; }

.calculator-form-wrap { padding: clamp(1.35rem, 3vw, 2rem); border-top: 1px solid var(--gray-200); background: #fff; }
.calculator-form-heading { scroll-margin-top: 7rem; }
.calculator-form-intro { display: flex; justify-content: space-between; gap: 2rem; align-items: flex-start; margin-bottom: 1.5rem; }
.calculator-form-intro p { max-width: 680px; margin-top: .45rem; color: var(--gray-500); }
.calculator-form-security { display: inline-flex; align-items: center; gap: .45rem; color: var(--gray-500); font-size: .78rem; white-space: nowrap; }
.calculator-form-security svg { width: 1rem; height: 1rem; color: var(--blue); }
.calculator-form-actions { display: flex; align-items: center; gap: 1rem; margin-top: 1.25rem; }
.calculator-form-actions .btn { justify-content: center; }
.calculator-form-note { color: var(--gray-400); font-size: .78rem; line-height: 1.5; }
.calculator-error {
  margin-bottom: 1rem;
  padding: .85rem 1rem;
  border: 1px solid #fecaca;
  border-radius: .65rem;
  background: #fef2f2;
  color: #991b1b;
  font-size: .875rem;
}

.calculator-benefits { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1rem; margin-top: 2rem; }
.calculator-benefit {
  position: relative;
  overflow: hidden;
  padding: 1.45rem;
  border: 1px solid var(--gray-200);
  border-radius: .9rem;
  background: #fff;
  box-shadow: var(--shadow);
}
.calculator-benefit::after { content: ''; position: absolute; left: 0; bottom: 0; width: 100%; height: 3px; background: var(--orange); transform: scaleX(0); transform-origin: left; transition: transform .2s ease; }
.calculator-benefit:hover::after { transform: scaleX(1); }
.calculator-benefit__icon {
  width: 2.75rem;
  height: 2.75rem;
  display: grid;
  place-items: center;
  margin-bottom: .9rem;
  border-radius: .5rem;
  background: var(--blue);
  color: #fff;
  box-shadow: 0 7px 18px rgba(34,84,142,.18);
}
.calculator-benefit__icon svg { width: 1.35rem; height: 1.35rem; }
.calculator-benefit h3 { margin-bottom: .4rem; }
.calculator-benefit p { color: var(--gray-500); font-size: .9rem; line-height: 1.65; }

@media (max-width: 900px) {
  .calculator-hero__visual { display: none; }
  .calculator-hero__inner { grid-template-columns: 1fr; }
  .calculator-workspace { grid-template-columns: 1fr; }
  .calculator-result-panel { min-height: 25rem; }
  .calculator-type-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 680px) {
  .calculator-hero__inner { padding-top: 2.5rem; padding-bottom: 2.5rem; }
  .calculator-type { min-height: 7.6rem; }
  .calculator-fields { grid-template-columns: 1fr; }
  .calc-field--wide { grid-column: auto; }
  .calculator-benefits { grid-template-columns: 1fr; }
  .calculator-form-intro { display: block; }
  .calculator-form-security { margin-top: .8rem; white-space: normal; }
  .calculator-form-actions { align-items: stretch; flex-direction: column; }
  .calculator-form-actions .btn { width: 100%; }
}
@media (max-width: 440px) {
  .calculator-type-grid { gap: .65rem; }
  .calculator-type { min-height: 7.25rem; padding: .8rem; }
  .calculator-type__text span { display: none; }
  .reserve-options { grid-template-columns: repeat(2, 1fr); }
}