/* ============================================================
   CALCULATOR · §01 — formulário, listas e carrinho sticky
   ============================================================ */

/* ----------------- Bloco da seção (fundo claro) ----------------- */
.calc-section {
  background: var(--paper);
  color: var(--ink);
  margin: 0 -32px;
  padding: 100px 32px;
  position: relative;
}
.calc-section::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.06;
  background-image:
    linear-gradient(var(--ink) 1px, transparent 1px),
    linear-gradient(90deg, var(--ink) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}
.calc-section .container { position: relative; z-index: 2; }

/* Override de section-head pra fundo claro */
.calc-section .section-title { color: var(--ink); }
.calc-section .section-title em { color: var(--brass); }
.calc-section .section-sub { color: rgba(14, 15, 16, 0.65); }
.calc-section .section-head { border-bottom-color: rgba(14, 15, 16, 0.15); }
.calc-section .section-num { color: var(--brass); }

/* Layout coluna esquerda + sticky direita */
.calc-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 52px;
  align-items: start;
}
@media (max-width: 1060px) {
  .calc-layout { grid-template-columns: 1fr; }
}

/* ----------------- Parâmetros globais (card branco no topo) ----------------- */
.calc-global {
  background: #fff;
  padding: 32px;
  border: 1px solid rgba(14, 15, 16, 0.12);
  margin-bottom: 48px;
}
.calc-global h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 20px;
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(14, 15, 16, 0.12);
  display: flex;
  align-items: center;
  gap: 12px;
}
.calc-global h3::before {
  content: '§';
  color: var(--brass);
  font-size: 24px;
}

.input-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 18px;
}
.input-row.triple { grid-template-columns: 2fr 1fr 1fr; }
.input-row.quad   { grid-template-columns: repeat(4, 1fr); }
.input-row:last-child { margin-bottom: 0; }
@media (max-width: 760px) {
  .input-row.quad { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .input-row, .input-row.triple, .input-row.quad { grid-template-columns: 1fr; }
}

.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(14, 15, 16, 0.6);
  margin-bottom: 8px;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ink);
  background: var(--paper-soft);
  border: 1px solid rgba(14, 15, 16, 0.15);
  outline: none;
  transition: border-color 0.2s, background 0.2s;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--brass);
  background: #fff;
}
.field-hint {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  color: rgba(14, 15, 16, 0.45);
  margin-top: 6px;
  letter-spacing: 0.04em;
}

.field textarea {
  resize: vertical;
  min-height: 96px;   /* ~4 linhas */
  line-height: 1.6;
}

/* ----------------- Radio pills (padrão construtivo) ----------------- */
.radio-row {
  display: flex;
  gap: 6px;
}
.radio-pill {
  flex: 1;
  position: relative;
}
.radio-pill input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.radio-pill label {
  display: block;
  padding: 12px 14px;
  border: 1px solid rgba(14, 15, 16, 0.15);
  background: var(--paper-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(14, 15, 16, 0.7);
  cursor: pointer;
  text-align: center;
  margin-bottom: 0;
  transition: all 0.2s;
}
.radio-pill label:hover { border-color: var(--brass); color: var(--ink); }
.radio-pill input:checked + label {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

/* ----------------- Card de área bruta resultante ----------------- */
.area-result {
  margin-top: 24px;
  padding: 22px 26px;
  background: var(--ink);
  color: var(--paper);
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}
.area-result-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(241, 236, 226, 0.6);
}
.area-result-value {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 400;
  color: var(--brass-hot);
  letter-spacing: -0.02em;
  line-height: 1;
}
.area-result-value .unit {
  font-size: 14px;
  color: rgba(241, 236, 226, 0.5);
  font-family: var(--font-mono);
  margin-left: 6px;
  font-weight: 400;
  letter-spacing: 0;
}
.area-result-formula {
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(241, 236, 226, 0.55);
  margin-left: auto;
  letter-spacing: 0.02em;
  text-align: right;
  line-height: 1.6;
}
@media (max-width: 760px) {
  .area-result { flex-direction: column; align-items: flex-start; gap: 10px; }
  .area-result-formula { margin-left: 0; text-align: left; }
}

/* ----------------- Cabeçalho de categoria ----------------- */
.category-head {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 22px;
  margin: 0 0 20px;
  color: var(--ink);
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.category-head .sym { color: var(--brass); font-size: 28px; line-height: 0; }
.category-head .muted {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(14, 15, 16, 0.5);
  font-weight: 400;
  margin-left: auto;
}
.category-spacer { margin-top: 56px; }

/* ----------------- Item selecionável (cartão por projeto) ----------------- */
.project-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.project-item {
  background: #fff;
  border: 1px solid rgba(14, 15, 16, 0.12);
  padding: 22px 26px;
  transition: border-color 0.25s, box-shadow 0.25s;
  position: relative;
  cursor: pointer;
  display: block;
}
.project-item:hover { border-color: var(--brass); }
.project-item.active {
  border-color: var(--brass);
  box-shadow: -4px 0 0 var(--brass);
}

.project-head {
  display: grid;
  grid-template-columns: 24px 1fr auto;
  gap: 16px;
  align-items: center;
}
.project-check {
  appearance: none;
  width: 20px;
  height: 20px;
  border: 1.5px solid rgba(14, 15, 16, 0.35);
  background: #fff;
  cursor: pointer;
  position: relative;
  transition: all 0.2s;
}
.project-check:checked {
  background: var(--ink);
  border-color: var(--ink);
}
.project-check:checked::after {
  content: '';
  position: absolute;
  top: 3px; left: 6px;
  width: 5px; height: 10px;
  border: solid var(--brass);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.project-info .name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 3px;
  display: block;
}
.project-info .desc {
  font-size: 13px;
  color: rgba(14, 15, 16, 0.6);
  line-height: 1.5;
}
.project-info .norma {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--brass);
  letter-spacing: 0.1em;
  margin-top: 6px;
  display: block;
}

.project-right {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
}
.project-price {
  color: var(--ink);
  font-weight: 500;
  min-width: 120px;
  text-align: right;
}
.project-price.zero { color: rgba(14, 15, 16, 0.3); }
.project-example {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--brass);
  text-decoration: none;
  border-bottom: 1px solid var(--brass);
  padding-bottom: 2px;
  transition: color 0.2s;
  white-space: nowrap;
}
.project-example:hover { color: var(--ink); border-color: var(--ink); }

/* Toggle Básico/Executivo dentro do card */
.nivel-toggle {
  display: inline-flex;
  border: 1px solid rgba(14, 15, 16, 0.2);
  background: var(--paper-soft);
}
.nivel-toggle input { display: none; }
.nivel-toggle label {
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: rgba(14, 15, 16, 0.55);
  cursor: pointer;
  margin-bottom: 0;
  transition: all 0.18s;
  white-space: nowrap;
}
.nivel-toggle label:hover { color: var(--ink); }
.nivel-toggle input:checked + label {
  background: var(--ink);
  color: var(--paper);
}

@media (max-width: 640px) {
  .project-head { grid-template-columns: 24px 1fr; }
  .project-right {
    grid-column: 1 / -1;
    padding-left: 40px;
    justify-content: space-between;
    margin-top: 10px;
    flex-wrap: wrap;
  }
}

/* ----------------- Carrinho sticky (coluna direita) ----------------- */
.summary {
  position: sticky;
  top: 100px;
  background: var(--ink);
  color: var(--paper);
  padding: 32px 30px;
  border: 1px solid var(--ink);
}
.summary h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 22px;
  margin-bottom: 4px;
  color: var(--paper);
}
.summary .sub {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 24px;
}

.summary-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 16px;
  padding: 14px 0 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 20px;
}
.summary-meta .k {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 3px;
}
.summary-meta .v {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--paper);
  font-weight: 500;
}
.summary-meta .v.accent { color: var(--brass-hot); }

.summary-list {
  padding-top: 8px;
  margin-bottom: 20px;
  min-height: 60px;
}
.summary-empty {
  font-size: 13px;
  color: var(--mute);
  font-style: italic;
  padding: 18px 0;
  text-align: center;
}
.summary-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  padding: 9px 0;
  font-size: 13.5px;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
}
.summary-item:last-child { border-bottom: 0; }
.summary-item .name { color: var(--paper); }
.summary-item .name .lvl {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.1em;
  padding: 1px 5px;
  margin-left: 6px;
  background: rgba(184, 137, 74, 0.18);
  color: var(--brass-hot);
  border: 1px solid rgba(184, 137, 74, 0.3);
  vertical-align: 1px;
}
.summary-item .val {
  font-family: var(--font-mono);
  color: var(--brass-hot);
  font-size: 12px;
}

.summary-total {
  border-top: 1px solid var(--brass);
  padding-top: 18px;
  margin-bottom: 22px;
}
.summary-total .label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 6px;
}
.summary-total .value {
  font-family: var(--font-display);
  font-size: 38px;
  font-weight: 400;
  color: var(--brass-hot);
  line-height: 1;
  letter-spacing: -0.02em;
}
.summary-total .parcel {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mute);
  margin-top: 10px;
  letter-spacing: 0.04em;
}
.summary-total .parcel b { color: var(--paper); font-weight: 500; }

.summary .btn {
  width: 100%;
  justify-content: center;
  border-color: var(--brass);
  background: var(--brass);
  color: var(--ink);
}
.summary .btn:hover { background: var(--brass-hot); border-color: var(--brass-hot); }

.summary-note {
  margin-top: 16px;
  font-size: 10.5px;
  color: var(--mute);
  line-height: 1.55;
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
}

/* Tooltip LOD entre Básico/Executivo */
.lod-tip {
  position: relative;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(14, 15, 16, 0.12);
  color: rgba(14, 15, 16, 0.5);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: default;
  flex-shrink: 0;
}
.lod-tip:hover { background: var(--brass); color: var(--ink); }
.lod-tip-box {
  display: none;
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  width: 260px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 10.5px;
  line-height: 1.6;
  padding: 14px 16px;
  letter-spacing: 0.02em;
  z-index: 10;
  pointer-events: none;
}
.lod-tip-box b { color: var(--brass-hot); }
.lod-tip:hover .lod-tip-box { display: block; }