/* ============================================================
   calculadora.css — PonerParquet.es
   Usa las variables de main.css: --ink, --forest, --pine,
   --sage, --gold, --gilt, --cream, --smoke, --mid, --mist
   ============================================================ */

/* ── Layout ── */
.calc-page {
  background: var(--cream);
  min-height: 100vh;
  padding-top: 80px; /* altura del nav fijo */
}

.calc-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
  max-width: 1060px;
  margin: 0 auto;
  padding: 52px 24px 96px;
  align-items: start;
}

.calc-form-col { min-width: 0; }

/* ── Cabecera ── */
.calc-hero { margin-bottom: 36px; }

.calc-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
.calc-eyebrow::before {
  content: '';
  display: inline-block;
  width: 18px; height: 1.5px;
  background: var(--gold);
  border-radius: 2px;
}

.calc-hero h1 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(1.625rem, 2.8vw, 2.25rem);
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.035em;
  line-height: 1.15;
  margin-bottom: 10px;
}

.calc-hero p {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9375rem;
  font-weight: 300;
  color: var(--mid);
  line-height: 1.65;
  max-width: 480px;
}

/* ── Stepper ── */
.stepper {
  display: flex;
  align-items: flex-start;
  margin-bottom: 32px;
  position: relative;
}

.stepper-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  flex: 1;
  position: relative;
}

.stepper-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 16px;
  left: calc(50% + 18px);
  right: calc(-50% + 18px);
  height: 1.5px;
  background: var(--mist);
  z-index: 0;
  transition: background 0.4s;
}
.stepper-step.done:not(:last-child)::after { background: var(--gold); }

.stepper-num {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 1.5px solid var(--mist);
  background: var(--cream);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.8125rem; font-weight: 800;
  color: var(--mid);
  position: relative; z-index: 1;
  transition: all 0.3s cubic-bezier(.4,0,.2,1);
}
.stepper-step.active .stepper-num {
  background: var(--forest);
  border-color: var(--forest);
  color: #fff;
  box-shadow: 0 0 0 4px rgba(26,51,40,.1);
}
.stepper-step.done .stepper-num {
  background: var(--gold);
  border-color: var(--gold);
  color: #fff;
}

.stepper-label {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--mid);
  letter-spacing: 0.03em;
  text-align: center;
  line-height: 1.2;
  transition: color 0.3s;
}
.stepper-step.active .stepper-label { color: var(--forest); font-weight: 700; }
.stepper-step.done .stepper-label   { color: var(--gold); }

/* ── Panel / paso ── */
.calc-panel { display: none; }
.calc-panel.active {
  display: block;
  animation: slideIn 0.34s cubic-bezier(.4,0,.2,1) both;
}
.calc-panel.leaving {
  animation: slideOut 0.2s cubic-bezier(.4,0,.2,1) both;
}
@keyframes slideIn  { from { opacity:0; transform:translateX(18px); } to { opacity:1; transform:translateX(0); } }
@keyframes slideOut { from { opacity:1; transform:translateX(0); } to { opacity:0; transform:translateX(-18px); } }

/* ── Card sección ── */
.calc-card {
  background: #fff;
  border-radius: 16px;
  border: 1px solid rgba(26,51,40,.09);
  padding: 24px;
  margin-bottom: 12px;
  transition: box-shadow 0.2s;
}
.calc-card:hover { box-shadow: 0 4px 28px rgba(15,26,20,.07); }

.calc-card-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--forest);
  margin-bottom: 20px;
}
.calc-card-title .cico {
  width: 28px; height: 28px;
  background: #EFF6F2;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.calc-card-title .cico svg {
  width: 14px; height: 14px;
  color: var(--pine);
  stroke: currentColor;
  fill: none;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ── Campo form ── */
.f-field { margin-bottom: 18px; }
.f-field:last-child { margin-bottom: 0; }

.f-label {
  display: block;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 7px;
}
.f-label .req { color: #C0392B; margin-left: 2px; }
.f-label .opt { font-weight: 300; color: var(--mid); font-size: 0.8125rem; }

.f-input, .f-select {
  width: 100%;
  border: 1.5px solid var(--mist);
  border-radius: 10px;
  padding: 12px 16px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--ink);
  background: #fff;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  appearance: none;
  -webkit-appearance: none;
}
.f-input::placeholder { color: var(--mist); }
.f-input:focus, .f-select:focus {
  border-color: var(--pine);
  box-shadow: 0 0 0 3px rgba(45,90,69,.1);
}
.f-input.err, .f-select.err { border-color: #C0392B; box-shadow: 0 0 0 3px rgba(192,57,43,.08); }

.f-select-wrap { position: relative; }
.f-select-wrap::after {
  content: '';
  pointer-events: none;
  position: absolute; right: 14px; top: 50%;
  transform: translateY(-50%);
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid var(--mid);
}
.f-select { padding-right: 40px; cursor: pointer; }
.f-select:disabled { background: var(--smoke); color: var(--mid); cursor: not-allowed; }

.f-hint { font-size: 0.8125rem; color: var(--mid); font-weight: 300; margin-top: 6px; line-height: 1.5; }
.f-err  { display: none; font-size: 0.8125rem; color: #C0392B; font-weight: 500; margin-top: 5px; }
.f-err.show { display: block; }

/* ── Selector metros ── */
.metros-display {
  text-align: center;
  margin-bottom: 20px;
}
.metros-big {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 5rem;
  font-weight: 800;
  color: var(--forest);
  letter-spacing: -0.055em;
  line-height: 1;
  display: inline-block;
  transition: transform 0.1s;
}
.metros-big.bump { transform: scale(1.07); }
.metros-unit {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.625rem;
  font-weight: 600;
  color: var(--sage);
  margin-left: 3px;
}

.range-track {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 4px;
  border-radius: 99px;
  background: var(--mist);
  outline: none; cursor: pointer;
  margin-bottom: 8px;
}
.range-track::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--forest);
  border: 3px solid #fff;
  box-shadow: 0 2px 10px rgba(15,26,20,.25);
  cursor: grab;
  transition: transform .14s, box-shadow .14s;
}
.range-track::-webkit-slider-thumb:active {
  cursor: grabbing; transform: scale(1.18);
  box-shadow: 0 4px 18px rgba(15,26,20,.35);
}
.range-track::-moz-range-thumb {
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--forest); border: 3px solid #fff;
  cursor: grab;
}
.slider-ticks {
  display: flex; justify-content: space-between;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.75rem; font-weight: 500;
  color: var(--mid); margin-bottom: 14px;
}
.metros-manual {
  display: flex; align-items: center; gap: 10px;
  background: var(--smoke); border: 1.5px solid var(--mist);
  border-radius: 10px; padding: 10px 16px;
}
.metros-manual label { font-size: 0.875rem; color: var(--mid); font-weight: 500; white-space: nowrap; font-family: 'DM Sans', sans-serif; }
.metros-manual input {
  width: 80px; border: none; background: transparent;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.125rem; font-weight: 800;
  color: var(--forest); text-align: center; outline: none;
}
.metros-manual span { font-size: 0.875rem; color: var(--mid); font-family: 'DM Sans', sans-serif; }

/* ── Option picker (cards seleccionables) ── */
.opt-grid { display: grid; gap: 10px; }
.opt-grid.g2 { grid-template-columns: 1fr 1fr; }
.opt-grid.g3 { grid-template-columns: 1fr 1fr 1fr; }

.opt-card {
  position: relative;
  border: 1.5px solid var(--mist);
  border-radius: 12px;
  padding: 14px 14px 12px;
  cursor: pointer;
  user-select: none;
  transition: border-color .18s, background .18s, box-shadow .18s;
  display: flex; flex-direction: column; gap: 5px;
}
.opt-card:hover {
  border-color: var(--sage);
  background: #EFF6F2;
}
.opt-card.sel {
  border-color: var(--pine);
  background: #EFF6F2;
  box-shadow: 0 0 0 3px rgba(45,90,69,.1);
}
.opt-card input { position: absolute; opacity: 0; pointer-events: none; }

/* Icono SVG propio en lugar de emoji */
.opt-icon {
  width: 36px; height: 36px;
  background: #E8F2ED;
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 4px;
  transition: background .18s;
}
.opt-card.sel .opt-icon { background: rgba(45,90,69,.15); }
.opt-icon svg {
  width: 18px; height: 18px;
  stroke: var(--pine); fill: none;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.opt-label {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.8125rem; font-weight: 700;
  color: var(--ink); line-height: 1.25;
  padding-right: 16px;
}
.opt-sub {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.75rem; font-weight: 300;
  color: var(--mid); line-height: 1.3;
}

/* Tick de selección */
.opt-tick {
  position: absolute; top: 10px; right: 10px;
  width: 18px; height: 18px; border-radius: 50%;
  border: 1.5px solid var(--mist);
  background: #fff;
  display: flex; align-items: center; justify-content: center;
  transition: all .18s;
}
.opt-card.sel .opt-tick {
  background: var(--pine); border-color: var(--pine);
}
.opt-tick svg { display: none; width: 10px; height: 10px; }
.opt-card.sel .opt-tick svg { display: block; }

/* ── Toggle Sí / No ── */
.toggle-row {
  display: flex; align-items: center;
  justify-content: space-between; gap: 16px;
}
.toggle-pregunta {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem; font-weight: 400;
  color: var(--ink); line-height: 1.45; flex: 1;
}
.toggle-btns { display: flex; gap: 6px; flex-shrink: 0; }
.toggle-btn {
  padding: 8px 20px;
  border-radius: 8px;
  border: 1.5px solid var(--mist);
  background: #fff;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.875rem; font-weight: 700;
  color: var(--mid);
  cursor: pointer; transition: all .18s;
}
.toggle-btn:hover { border-color: var(--sage); color: var(--forest); }
.toggle-btn.on { background: var(--forest); border-color: var(--forest); color: #fff; }

.sub-reveal {
  display: none;
  margin-top: 14px;
  padding: 16px;
  background: var(--smoke);
  border-radius: 10px;
  border: 1.5px solid var(--mist);
  animation: revealIn .22s ease both;
}
.sub-reveal.open { display: block; }
@keyframes revealIn { from { opacity:0; transform:translateY(-6px); } to { opacity:1; transform:translateY(0); } }

/* ── Checkbox ── */
.cbox {
  display: flex; align-items: flex-start; gap: 12px;
  cursor: pointer; user-select: none;
  padding: 13px 14px;
  border: 1.5px solid var(--mist);
  border-radius: 10px;
  background: #fff;
  transition: border-color .18s, background .18s;
}
.cbox:hover { border-color: var(--sage); background: #EFF6F2; }
.cbox.ck { border-color: var(--pine); background: #EFF6F2; }
.cbox input { display: none; }

.cbox-sq {
  width: 22px; height: 22px; min-width: 22px;
  border-radius: 6px;
  border: 2px solid var(--mist);
  background: #fff;
  display: flex; align-items: center; justify-content: center;
  margin-top: 1px; flex-shrink: 0;
  transition: all .18s;
}
.cbox.ck .cbox-sq { background: var(--pine); border-color: var(--pine); }
.cbox-sq svg { display: none; width: 12px; height: 12px; stroke: #fff; fill: none; stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.cbox.ck .cbox-sq svg { display: block; }

.cbox-body {}
.cbox-title {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem; font-weight: 500;
  color: var(--ink); line-height: 1.4; display: block;
}
.cbox-desc {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8125rem; font-weight: 300;
  color: var(--mid); line-height: 1.4; display: block;
  margin-top: 2px;
}

/* ── RGPD ── */
.rgpd-row {
  display: flex; align-items: flex-start; gap: 12px;
  cursor: pointer; user-select: none;
}
.rgpd-row input { display: none; }
.rgpd-sq {
  width: 22px; height: 22px; min-width: 22px;
  border-radius: 6px;
  border: 2px solid var(--mist);
  background: #fff;
  display: flex; align-items: center; justify-content: center;
  margin-top: 2px; flex-shrink: 0;
  transition: all .18s;
}
.rgpd-row.ck .rgpd-sq { background: var(--pine); border-color: var(--pine); }
.rgpd-sq svg { display: none; width: 12px; height: 12px; stroke: #fff; fill: none; stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.rgpd-row.ck .rgpd-sq svg { display: block; }
.rgpd-txt {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8125rem; color: var(--mid);
  font-weight: 300; line-height: 1.6;
}
.rgpd-txt a { color: var(--pine); font-weight: 600; text-underline-offset: 2px; text-decoration: underline; }

/* ── Nav botones ── */
.calc-nav {
  display: flex; gap: 10px; margin-top: 8px;
}

.btn-wiz-back {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 13px 18px; border-radius: 10px;
  background: #fff; border: 1.5px solid var(--mist);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.875rem; font-weight: 700;
  color: var(--mid); cursor: pointer; transition: all .18s;
  flex-shrink: 0;
}
.btn-wiz-back:hover { background: var(--smoke); border-color: var(--mist); color: var(--ink); }
.btn-wiz-back svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2; }

.btn-wiz-next {
  flex: 1;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 15px 24px; border-radius: 10px;
  background: var(--forest); color: #fff; border: none;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.9375rem; font-weight: 800;
  cursor: pointer;
  transition: background .18s, transform .18s, box-shadow .18s;
  outline: none;
}
.btn-wiz-next:hover {
  background: var(--pine);
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(15,26,20,.18);
}
.btn-wiz-next:disabled { background: var(--mist); color: var(--mid); cursor: not-allowed; transform: none; box-shadow: none; }
.btn-wiz-next svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 2; }

.btn-wiz-submit {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 24px; border-radius: 10px;
  background: var(--gold); color: var(--ink); border: none;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.9rem; font-weight: 700;
  cursor: pointer;
  transition: background .18s, transform .18s, box-shadow .18s;
  box-shadow: 0 4px 16px rgba(196,154,42,.28);
  outline: none;
  white-space: nowrap;
  /* Tamaño natural del contenido, sin flex-grow */
}
.btn-wiz-submit:hover {
  background: var(--gilt);
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(196,154,42,.38);
}
.btn-wiz-submit:disabled { background: var(--mist); color: var(--mid); cursor: not-allowed; transform: none; box-shadow: none; }
.btn-wiz-submit .spin {
  display: none; width: 16px; height: 16px;
  border: 2px solid rgba(15,26,20,.2);
  border-top-color: var(--ink);
  border-radius: 50%;
  animation: sp .7s linear infinite;
}
@keyframes sp { to { transform: rotate(360deg); } }

/* ── Contador puertas ── */
.qty-btn {
  width: 36px; height: 36px;
  border-radius: 8px; border: 1.5px solid var(--mist);
  background: #fff;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.25rem; font-weight: 700;
  color: var(--forest); cursor: pointer;
  transition: all .18s;
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0; line-height: 1;
}
.qty-btn:hover { background: var(--forest); color: #fff; border-color: var(--forest); }
.qty-btn:active { transform: scale(.93); }

/* ── Opt-card pequeña (para sub-preguntas) ── */
.opt-card--sm {
  padding: 10px 10px 8px;
}
.opt-card--sm .opt-label { font-size: 0.75rem; padding-right: 14px; }
.opt-card--sm .opt-sub   { font-size: 0.6875rem; }
.calc-sidebar { position: sticky; top: 96px; }

.sb-main {
  background: var(--forest);
  border-radius: 20px;
  padding: 26px 22px;
  margin-bottom: 14px;
  color: #fff;
  position: relative; overflow: hidden;
  box-shadow: 0 8px 40px rgba(15,26,20,.22);
}
.sb-main::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at top right, rgba(196,154,42,.12) 0%, transparent 65%);
  pointer-events: none;
}

.sb-eyebrow {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.6875rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: rgba(255,255,255,.4);
  margin-bottom: 6px; position: relative;
}

/* Estado vacío */
.sb-empty { text-align: center; padding: 12px 0; position: relative; }
.sb-empty-icon {
  width: 48px; height: 48px;
  margin: 0 auto 10px;
  background: rgba(255,255,255,.06);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
}
.sb-empty-icon svg { width: 22px; height: 22px; stroke: rgba(255,255,255,.3); fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.sb-empty p { font-family: 'DM Sans', sans-serif; font-size: 0.8125rem; color: rgba(255,255,255,.35); font-weight: 300; line-height: 1.55; }

/* Estado con datos */
.sb-data { display: none; position: relative; }
.sb-badge {
  display: inline-flex; align-items: center; gap: 5px;
  background: rgba(196,154,42,.18);
  border-radius: 6px; padding: 3px 9px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.8125rem; font-weight: 700;
  color: var(--gilt); margin-bottom: 12px;
}
.sb-total {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 2.75rem; font-weight: 800;
  letter-spacing: -0.05em; line-height: 1;
  color: #fff; margin-bottom: 4px;
  transition: opacity .16s;
}
.sb-total.fade { opacity: 0.4; }
.sb-range {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8125rem; color: rgba(255,255,255,.5);
  font-weight: 300; margin-bottom: 20px;
}
.sb-range strong { color: var(--gilt); font-weight: 600; }

.sb-sep { height: 1px; background: rgba(255,255,255,.1); margin: 14px 0; }

.sb-lines { display: flex; flex-direction: column; gap: 9px; margin-bottom: 12px; }
.sb-line { display: flex; justify-content: space-between; align-items: baseline; gap: 6px; }
.sb-line-n {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8125rem; color: rgba(255,255,255,.55);
  font-weight: 300; line-height: 1.3;
}
.sb-line-v {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.875rem; font-weight: 700;
  color: #fff; white-space: nowrap;
}
.sb-note {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.75rem; color: rgba(255,255,255,.3);
  font-weight: 300; line-height: 1.5; position: relative;
}

/* Sidebar trust */
.sb-trust {
  background: #fff;
  border-radius: 14px;
  border: 1px solid rgba(26,51,40,.08);
  padding: 14px 16px;
}
.sb-trust-item {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 0;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8125rem; color: var(--mid); font-weight: 400;
}
.sb-trust-item:not(:last-child) { border-bottom: 1px solid var(--smoke); }
.sb-trust-item svg { width: 15px; height: 15px; stroke: var(--sage); fill: none; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }

/* ── Resumen paso 4 ── */
.res-chips { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 16px; }
.res-chip {
  display: inline-flex; align-items: center; gap: 5px;
  background: #EFF6F2; border: 1px solid rgba(45,90,69,.15);
  border-radius: 7px; padding: 4px 10px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8125rem; color: var(--ink);
}
.res-chip svg { width: 13px; height: 13px; stroke: var(--pine); fill: none; stroke-width: 1.75; stroke-linecap: round; flex-shrink: 0; }

.res-est {
  display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap;
  background: #FBF6E9; border: 1.5px solid #E8D898;
  border-radius: 12px; padding: 14px 18px;
}
.res-est-label {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.75rem; font-weight: 700;
  color: var(--gold); text-transform: uppercase; letter-spacing: .07em;
}
.res-est-val {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.625rem; font-weight: 800;
  color: var(--forest); letter-spacing: -.03em;
}
.res-est-range {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8125rem; color: var(--mid); font-weight: 300;
}


/* ── Sidebar: nuevos elementos ── */
.sb-range-label {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.6875rem; font-weight: 500;
  color: rgba(255,255,255,.4);
  text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: 3px; margin-top: 10px;
}
.sb-context {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8125rem; font-weight: 300;
  color: rgba(255,255,255,.55);
  line-height: 1.55; position: relative;
}
.sb-context strong { color: rgba(255,255,255,.85); font-weight: 600; }

.sb-pdf-cta {
  display: flex; align-items: flex-start; gap: 10px;
  background: rgba(196,154,42,.15);
  border: 1px solid rgba(196,154,42,.3);
  border-radius: 10px; padding: 12px 13px;
  position: relative;
}
.sb-pdf-cta svg {
  width: 16px; height: 16px; flex-shrink: 0;
  color: #F0D882; margin-top: 1px;
}
.sb-pdf-cta span {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8125rem; font-weight: 300;
  color: rgba(255,255,255,.7); line-height: 1.5;
}
.sb-pdf-cta strong { color: #F0D882; font-weight: 600; }

/* ── Responsive ── */
@media (max-width: 900px) {
  .calc-layout { grid-template-columns: 1fr; padding: 32px 16px 64px; }
  .calc-sidebar { position: static; order: -1; }
}
@media (max-width: 600px) {
  .stepper-label { display: none; }
  .opt-grid.g3 { grid-template-columns: 1fr 1fr; }
  .opt-grid.g2 { grid-template-columns: 1fr 1fr; }
  .metros-big { font-size: 3.75rem; }
  .calc-card { padding: 18px; }
}