/* =========================================================
   SATOTA — Building Cost Calculator styles
   Extends the design tokens defined in style.css
   ========================================================= */

.calc-hero {
  padding: calc(var(--nav-h) + 48px) 0 40px;
  background: var(--navy-grad);
  color: var(--on-navy);
  text-align: center;
}
.calc-hero__title {
  font-family: var(--font-bn-serif);
  font-size: clamp(28px, 4vw, 42px);
  color: var(--on-navy);
  margin: 10px 0 12px;
}
.calc-hero__sub {
  max-width: 640px;
  margin: 0 auto;
  color: rgba(255,255,255,0.82);
  font-size: 15.5px;
  line-height: 1.7;
}

.calc-section { padding-top: 48px; }
.calc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}
@media (max-width: 900px) {
  .calc-layout { grid-template-columns: 1fr; }
}

.calc-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 28px;
}

.calc-load-error, .dash-loading { display: none; color: var(--muted); font-size: 14px; padding: 12px 0; }
.calc-load-error.is-visible { display: block; color: #C0392B; }
.dash-loading.is-visible { display: block; }

.calc-form-body { display: none; }
.calc-form-body.is-visible { display: block; }

.calc-form-errors {
  display: none;
  list-style: disc;
  padding: 12px 16px 12px 32px;
  margin: 0 0 18px;
  background: rgba(192,57,43,0.08);
  color: #C0392B;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
}
.calc-form-errors.is-visible { display: block; }

.field-note {
  font-size: 12.5px;
  color: var(--muted);
  margin: 6px 0 0;
  line-height: 1.6;
}
.field-note.is-warning { color: #C0392B; font-weight: 600; }

.quality-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 6px;
}
@media (max-width: 520px) {
  .quality-cards { grid-template-columns: 1fr; }
}
.quality-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 12px;
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.quality-card input { position: absolute; opacity: 0; }
.quality-card__label { font-weight: 700; color: var(--heading); font-size: 14.5px; }
.quality-card__sub { font-size: 12px; color: var(--muted); }
.quality-card:has(input:checked) {
  border-color: var(--gold);
  background: color-mix(in srgb, var(--gold) 8%, transparent);
}
.quality-card:has(input:focus-visible) { outline: 2px solid var(--gold); outline-offset: 2px; }

.calc-side { display: flex; flex-direction: column; gap: 20px; position: sticky; top: calc(var(--nav-h) + 20px); }
.calc-side__card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px;
}
.calc-side__card h3 { font-size: 16px; margin: 0 0 12px; color: var(--heading); }
.calc-side__card ol { margin: 0; padding-left: 20px; color: var(--muted); font-size: 14px; line-height: 1.9; }
.calc-side__card--navy {
  background: var(--navy-grad);
  color: var(--on-navy);
  border: none;
}
.calc-side__card--navy h3 { color: var(--on-navy); }
.calc-side__card--navy p { color: rgba(255,255,255,0.82); font-size: 13.5px; line-height: 1.7; margin: 0 0 16px; }

/* ---------- Result section ---------- */
.calc-result-section { display: none; background: var(--bg); }
.calc-result-section.is-visible { display: block; }

.result-summary {
  background: var(--navy-grad);
  color: var(--on-navy);
  border-radius: var(--radius-md);
  padding: 28px;
  text-align: center;
  margin-bottom: 28px;
}
.result-summary__label { display: block; font-size: 14px; color: rgba(255,255,255,0.75); margin-bottom: 6px; }
.result-summary__value { display: block; font-family: var(--font-bn-serif); font-size: clamp(24px, 4vw, 34px); font-weight: 800; color: var(--gold-light); }
.result-summary__meta { margin: 14px 0 0; font-size: 13px; color: rgba(255,255,255,0.7); }

.result-block { margin-bottom: 28px; }
.result-block h3 { font-size: 16.5px; color: var(--heading); margin: 0 0 12px; }

.result-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  font-size: 14px;
}
.result-table td, .result-table th { padding: 10px 14px; border-bottom: 1px solid var(--border); }
.result-table tr:last-child td { border-bottom: none; }
.result-table .ta-r { text-align: right; font-weight: 600; color: var(--heading); }
.result-table th { background: var(--bg); text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; color: var(--muted); }
.result-table--detail { margin-top: 12px; }
.muted-en { color: var(--muted); font-size: 11.5px; }

.result-block details summary { cursor: pointer; font-weight: 600; color: var(--gold); font-size: 14px; }

.result-disclaimer {
  font-size: 12.5px;
  line-height: 1.85;
  color: var(--muted);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
}

/* ---------- Lead gate modal ---------- */
.lead-gate {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(11,19,31,0.6);
  align-items: flex-start;
  justify-content: center;
  padding: 60px 16px;
  overflow-y: auto;
  z-index: 200;
}
.lead-gate.is-visible { display: flex; }
.lead-gate__card {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 32px 28px;
  width: 100%;
  max-width: 420px;
}
.lead-gate__card h3 { font-size: 18px; margin: 0 0 8px; color: var(--heading); }
.lead-gate__sub { font-size: 13.5px; color: var(--muted); margin: 0 0 20px; line-height: 1.6; }
.lead-gate__close {
  position: absolute;
  top: 14px; right: 14px;
  background: none;
  border: none;
  font-size: 16px;
  color: var(--muted);
  cursor: pointer;
  line-height: 1;
  padding: 4px;
}