/* ==========================================================================
   simulador.css — Estilos da página do Simulador de Orçamento Solar
   Contém: hero, formulário multi-step, progress bar, cards de opção,
   slider, área de resultados, cards de métricas, gráficos, disclaimer e CTA.
   ========================================================================== */

/* ==========================================================================
   NAVBAR active state override for this page
   ========================================================================== */

.navbar__nav-link.active {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

.navbar__mobile-link.active {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

/* Mobile WhatsApp nav button alignment */
.navbar__mobile-wa {
  margin: var(--space-2) var(--space-6) var(--space-1);
  text-align: center;
}

/* Footer contact link style (used instead of inline color) */
.footer__contact-link {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__contact-link:hover {
  color: var(--color-primary);
}

/* ==========================================================================
   PAGE HERO
   ========================================================================== */

.sim-hero {
  padding-top: calc(70px + var(--space-16));
  padding-bottom: var(--space-12);
  background: linear-gradient(160deg, #eaf5ec 0%, var(--color-background) 60%);
  border-bottom: 1px solid var(--color-border);
}

.sim-hero__content {
  max-width: 680px;
  margin-inline: auto;
  text-align: center;
}

.sim-hero__title {
  font-family: var(--font-display);
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-5);
}

.sim-hero__title-highlight {
  color: var(--color-primary);
}

.sim-hero__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  line-height: var(--line-height-relaxed);
  max-width: 56ch;
}

@media (min-width: 768px) {
  .sim-hero {
    padding-top: calc(70px + var(--space-20));
    padding-bottom: var(--space-16);
  }

  .sim-hero__title {
    font-size: var(--font-size-5xl);
  }
}

/* ==========================================================================
   SIMULATOR SECTION WRAPPER
   ========================================================================== */

.sim-section {
  padding-block: var(--space-12);
  background-color: var(--color-background);
}

@media (min-width: 768px) {
  .sim-section {
    padding-block: var(--space-16);
  }
}

/* Centered card wrapper for the form and results */
.sim-wrapper {
  max-width: 800px;
  margin-inline: auto;
}

/* ==========================================================================
   FORM AREA
   ========================================================================== */

.sim-form-area {
  background-color: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: var(--space-8) var(--space-6);
  transition: opacity var(--transition-slow);
}

.sim-form-area--hidden {
  display: none;
}

@media (min-width: 640px) {
  .sim-form-area {
    padding: var(--space-10) var(--space-10);
  }
}

/* ==========================================================================
   PROGRESS BAR
   ========================================================================== */

.sim-progress {
  margin-bottom: var(--space-10);
}

/* Track line */
.sim-progress__bar {
  height: 6px;
  background-color: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--space-5);
}

/* Filled portion — width is set via JS */
.sim-progress__fill {
  height: 100%;
  width: 33.33%;
  background: linear-gradient(90deg, var(--color-primary-dark), var(--color-primary));
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

/* Step indicators row */
.sim-progress__steps {
  display: flex;
  justify-content: space-between;
  gap: var(--space-2);
}

.sim-progress__step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  flex: 1;
}

/* Numbered dot */
.sim-progress__step-dot {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background-color: var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-base), color var(--transition-base);
}

.sim-progress__step-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
  text-align: center;
  transition: color var(--transition-base);
  display: none;
}

/* Active step: green dot */
.sim-progress__step.active .sim-progress__step-dot {
  background-color: var(--color-primary);
  color: #ffffff;
}

.sim-progress__step.active .sim-progress__step-label {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

/* Completed step: dark dot with checkmark */
.sim-progress__step.completed .sim-progress__step-dot {
  background-color: var(--color-primary-dark);
  color: #ffffff;
}

@media (min-width: 420px) {
  .sim-progress__step-label {
    display: block;
  }
}

/* ==========================================================================
   FORM STEPS
   ========================================================================== */

.sim-step__title {
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
  margin-bottom: var(--space-2);
}

.sim-step__desc {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}

/* Hidden step state */
.sim-step--hidden {
  display: none;
}

/* Entry animation: fade + slide up from slightly below */
.sim-step--enter {
  animation: simStepEnter 0.35s ease forwards;
}

@keyframes simStepEnter {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Step action buttons row */
.sim-step__actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

/* On small screens: stack buttons full-width (primary on top) */
@media (max-width: 479px) {
  .sim-step__actions {
    flex-direction: column-reverse;
  }

  .sim-step__actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ==========================================================================
   OPTION CARDS — selectable cards for property and roof type
   ========================================================================== */

.sim-options {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

/* 3-column layout for property type (3 options) */
@media (min-width: 480px) {
  .sim-options {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* 2-column layout for roof type on mobile (4 options) */
.sim-options--4col {
  grid-template-columns: repeat(2, 1fr);
}

/* 4-column layout for roof type on wider screens */
@media (min-width: 600px) {
  .sim-options--4col {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Individual option card */
.sim-option-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-4);
  background-color: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
  text-align: center;
  user-select: none;
}

.sim-option-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* Selected state */
.sim-option-card.selected {
  border-color: var(--color-primary);
  background-color: rgba(61, 190, 90, 0.05);
  box-shadow: 0 0 0 3px rgba(61, 190, 90, 0.15);
}

/* Hide the native radio input visually */
.sim-option-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

/* Icon circle */
.sim-option-card__icon {
  width: 64px;
  height: 64px;
  background-color: rgba(61, 190, 90, 0.08);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  transition: background-color var(--transition-base), color var(--transition-base);
}

.sim-option-card.selected .sim-option-card__icon {
  background-color: var(--color-primary);
  color: #ffffff;
}

/* Label text */
.sim-option-card__label {
  font-family: var(--font-display);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-secondary);
}

/* Optional sublabel (e.g. "telha colonial") */
.sim-option-card__sublabel {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: calc(-1 * var(--space-2));
}

/* Checkmark badge — appears when selected */
.sim-option-card__check {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  width: 22px;
  height: 22px;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  opacity: 0;
  transform: scale(0.6);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.sim-option-card.selected .sim-option-card__check {
  opacity: 1;
  transform: scale(1);
}

/* ==========================================================================
   BILL SLIDER (Step 3)
   ========================================================================== */

.sim-bill {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  padding: var(--space-6);
  background-color: var(--color-background);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

/* Large live value display */
.sim-bill__display {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) 0;
}

.sim-bill__currency {
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-muted);
}

.sim-bill__value {
  font-family: var(--font-display);
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  line-height: 1;
  min-width: 3ch;
  text-align: center;
  transition: color var(--transition-fast);
}

.sim-bill__period {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
}

/* Slider container */
.sim-bill__slider-wrap {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* Custom range slider */
.sim-bill__slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: var(--radius-full);
  /* Fill gradient: green from 0 to --fill-pct, gray from --fill-pct to end */
  background: linear-gradient(
    to right,
    var(--color-primary) 0%,
    var(--color-primary) var(--fill-pct, 13%),
    var(--color-border) var(--fill-pct, 13%),
    var(--color-border) 100%
  );
  outline: none;
  cursor: pointer;
}

/* WebKit thumb */
.sim-bill__slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  border: 3px solid #ffffff;
  box-shadow: 0 2px 8px rgba(61, 190, 90, 0.4);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.sim-bill__slider::-webkit-slider-thumb:hover,
.sim-bill__slider:focus::-webkit-slider-thumb {
  transform: scale(1.15);
  box-shadow: 0 4px 14px rgba(61, 190, 90, 0.5);
}

/* Firefox thumb */
.sim-bill__slider::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  border: 3px solid #ffffff;
  box-shadow: 0 2px 8px rgba(61, 190, 90, 0.4);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.sim-bill__slider::-moz-range-thumb:hover {
  transform: scale(1.15);
}

/* Min/max labels */
.sim-bill__slider-labels {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
}

/* Manual number input area */
.sim-bill__manual {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.sim-bill__input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

/* "R$" prefix inside the input */
.sim-bill__input-prefix {
  position: absolute;
  left: var(--space-4);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
  pointer-events: none;
  z-index: 1;
}

.sim-bill__input {
  padding-left: 2.8rem;
}

/* Hint text below input */
.sim-bill__help {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* ==========================================================================
   RESULTS AREA
   ========================================================================== */

.sim-results {
  background-color: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: var(--space-8) var(--space-6);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.sim-results--visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 640px) {
  .sim-results {
    padding: var(--space-10);
  }
}

/* Results header: title + recalculate button */
.sim-results__header {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

@media (min-width: 600px) {
  .sim-results__header {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
  }
}

.sim-results__title {
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
  margin-bottom: var(--space-2);
}

.sim-results__subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  max-width: 48ch;
}

/* Summary tags: show user's selections */
.sim-results__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
}

/* Individual selection tag */
.sim-tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  background-color: rgba(61, 190, 90, 0.1);
  color: var(--color-primary-dark);
  border: 1px solid rgba(61, 190, 90, 0.25);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
}

/* ==========================================================================
   METRIC CARDS
   ========================================================================== */

.sim-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

@media (min-width: 640px) {
  .sim-cards {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Cost card spans full width */
.sim-card--cost {
  grid-column: 1 / -1;
}

/* Individual metric card — starts invisible, revealed via JS */
.sim-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
  background-color: var(--color-background);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease, box-shadow var(--transition-base);
}

.sim-card.revealed {
  opacity: 1;
  transform: translateY(0);
}

.sim-card:hover {
  box-shadow: var(--shadow-md);
}

/* Highlighted card (monthly savings) */
.sim-card--highlight {
  background: linear-gradient(135deg, rgba(61, 190, 90, 0.08), rgba(61, 190, 90, 0.03));
  border-color: rgba(61, 190, 90, 0.3);
}

/* Icon */
.sim-card__icon {
  width: 42px;
  height: 42px;
  background-color: rgba(61, 190, 90, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.sim-card--highlight .sim-card__icon {
  background-color: var(--color-primary);
  color: #ffffff;
}

.sim-card__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.sim-card__label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: var(--line-height-tight);
}

.sim-card__value {
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
  line-height: 1;
}

.sim-card--highlight .sim-card__value {
  color: var(--color-primary-dark);
}

.sim-card__unit {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* ==========================================================================
   CHARTS AREA
   ========================================================================== */

.sim-charts {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

@media (min-width: 768px) {
  .sim-charts {
    grid-template-columns: 1.6fr 1fr;
  }
}

/* Individual chart card */
.sim-chart-card {
  background-color: var(--color-background);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.sim-chart-card__title {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
}

.sim-chart-card__desc {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  line-height: var(--line-height-normal);
  margin-top: calc(-1 * var(--space-2));
}

/* Canvas wrapper — bar chart takes full width */
.sim-chart-canvas-wrap {
  width: 100%;
  overflow: hidden;
}

/* Doughnut chart: centered, fixed size */
.sim-chart-canvas-wrap--doughnut {
  display: flex;
  justify-content: center;
}

/* Chart legend (doughnut) */
.sim-chart-legend {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.sim-legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.sim-legend-dot {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

/* ==========================================================================
   DISCLAIMER BOX
   ========================================================================== */

.sim-disclaimer {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-5);
  background-color: #fff9f0;
  border: 1px solid rgba(240, 112, 32, 0.25);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-8);
}

.sim-disclaimer__icon {
  font-size: 1.4rem;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 2px;
}

.sim-disclaimer__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: var(--line-height-relaxed);
}

/* ==========================================================================
   CTA SECTION
   ========================================================================== */

.sim-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-8) var(--space-6);
  background: linear-gradient(135deg, rgba(61, 190, 90, 0.06), rgba(61, 190, 90, 0.02));
  border-radius: var(--radius-xl);
  border: 1px solid rgba(61, 190, 90, 0.2);
  text-align: center;
}

.sim-cta__btn {
  font-size: var(--font-size-base);
  padding: 1rem 2.2rem;
  width: 100%;
  max-width: 360px;
}

@media (min-width: 480px) {
  .sim-cta__btn {
    width: auto;
  }
}

.sim-cta__note {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}