/* ========== CALCULATOR WIZARD ========== */

.calc {
  padding: 6rem 0 4rem;
  min-height: 100vh;
}

.calc__header {
  text-align: center;
  margin-bottom: 3rem;
}

/* ---- Progress Bar ---- */
.calc__progress {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 3rem;
  position: relative;
}

.calc__progress-line {
  height: 2px;
  width: 80px;
  background: var(--border-color);
  position: relative;
}

.calc__progress-line::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  transition: width var(--transition-base);
}

.calc__progress-line.is-completed::after {
  width: 100%;
}

.calc__dot {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--border-color);
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: all var(--transition-base);
  cursor: default;
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

.calc__dot.is-active {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  box-shadow: 0 0 16px rgba(0, 212, 255, 0.25);
}

.calc__dot.is-completed {
  border-color: var(--accent-primary);
  background: var(--accent-primary);
  color: var(--bg-primary);
  cursor: pointer;
}

.calc__dot-label {
  position: absolute;
  bottom: -22px;
  font-family: var(--font-body);
  font-size: 0.7rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.calc__dot.is-active .calc__dot-label,
.calc__dot.is-completed .calc__dot-label {
  color: var(--text-secondary);
}

/* ---- Steps Container ---- */
.calc__steps {
  position: relative;
  overflow: hidden;
}

.calc__panel {
  width: 100%;
}

.calc__step-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: 2rem;
}

/* ---- Step 1: Services Grid ---- */
.calc__services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.calc__service-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1.5rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  text-align: center;
}

.calc__service-card:hover {
  border-color: var(--border-active);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.calc__service-icon {
  color: var(--accent-primary);
}

.calc__service-name {
  font-size: 0.85rem;
  font-weight: 500;
  line-height: 1.3;
}

/* ---- Step 2: Options ---- */
.calc__option-label {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
  margin-top: 2rem;
}

.calc__option-label:first-of-type {
  margin-top: 0;
}

.calc__option-hint {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--text-muted);
}

.calc__complexity-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.calc__complexity-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding: 1.25rem 0.75rem;
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  text-align: center;
}

.calc__complexity-card:hover {
  border-color: var(--border-active);
  background: var(--bg-card-hover);
}

.calc__complexity-card.is-selected {
  border-color: var(--accent-primary);
  background: rgba(0, 212, 255, 0.08);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.12);
}

.calc__complexity-name {
  font-size: 0.85rem;
  font-weight: 600;
}

.calc__complexity-hours {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.calc__complexity-price {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-primary);
  font-family: var(--font-heading);
}

/* Addons */
.calc__addons-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.calc__addon-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  text-align: left;
}

.calc__addon-card:hover {
  border-color: var(--border-active);
  background: var(--bg-card-hover);
}

.calc__addon-card.is-selected {
  border-color: var(--accent-primary);
  background: rgba(0, 212, 255, 0.06);
}

.calc__addon-check {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  border: 2px solid var(--border-color);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  color: transparent;
}

.calc__addon-card.is-selected .calc__addon-check {
  border-color: var(--accent-primary);
  background: var(--accent-primary);
  color: var(--bg-primary);
}

.calc__addon-name {
  flex: 1;
  font-size: 0.85rem;
  font-weight: 500;
}

.calc__addon-price {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-primary);
  font-family: var(--font-mono);
  white-space: nowrap;
}

/* Nav Buttons */
.calc__nav-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

/* ---- Step 3: Result ---- */
.calc__result-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 560px;
  margin: 0 auto;
}

.calc__result-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.calc__result-icon {
  color: var(--accent-primary);
  flex-shrink: 0;
}

.calc__result-service {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
}

.calc__result-level {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.15rem;
}

/* Breakdown */
.calc__breakdown {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.calc__breakdown-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.calc__breakdown-row span:last-child {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-primary);
}

.calc__breakdown-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0 0;
  border-top: 2px solid var(--accent-primary);
  margin-top: 0.5rem;
}

.calc__breakdown-total span:first-child {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.calc__breakdown-total span:last-child {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-primary);
}

/* WhatsApp CTA */
.calc__btn-wa {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 1rem;
  padding: 1rem;
}

/* ========== PREVIEW SECTION (index.html) ========== */

.calc-preview {
  padding: 5rem 0;
}

.calc-preview__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.calc-preview__card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--text-primary);
  transition: all var(--transition-base);
}

.calc-preview__card:hover {
  border-color: var(--border-active);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.calc-preview__icon {
  color: var(--accent-primary);
  flex-shrink: 0;
}

.calc-preview__info {
  flex: 1;
}

.calc-preview__name {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.calc-preview__price {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.calc-preview__arrow {
  color: var(--text-muted);
  transition: transform var(--transition-fast);
}

.calc-preview__card:hover .calc-preview__arrow {
  transform: translateX(4px);
  color: var(--accent-primary);
}

.calc-preview__cta {
  text-align: center;
}

/* ========== RESPONSIVE ========== */

@media (min-width: 480px) {
  .calc__services-grid {
    gap: 1.25rem;
  }

  .calc__service-card {
    padding: 2rem 1.25rem;
  }

  .calc__service-name {
    font-size: 0.9rem;
  }
}

@media (min-width: 768px) {
  .calc__services-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .calc__addons-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .calc__step-title {
    font-size: 1.75rem;
  }

  .calc__progress-line {
    width: 120px;
  }

  .calc-preview__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1024px) {
  .calc__services-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .calc__service-card {
    padding: 2rem 1.5rem;
  }

  .calc__service-name {
    font-size: 0.95rem;
  }

  .calc__step-title {
    font-size: 2rem;
  }

  .calc__result-card {
    padding: 2.5rem;
  }

  .calc__progress-line {
    width: 160px;
  }
}

/* Small screens: stack complexity cards */
@media (max-width: 479px) {
  .calc__complexity-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .calc__complexity-card {
    flex-direction: row;
    justify-content: space-between;
    padding: 1rem;
  }

  .calc__addons-grid {
    grid-template-columns: 1fr;
  }

  .calc__result-card {
    padding: 1.5rem;
  }

  .calc__breakdown-total span:last-child {
    font-size: 1.1rem;
  }

  .calc-preview__grid {
    grid-template-columns: 1fr;
  }

  .calc__nav-buttons {
    flex-direction: column;
  }

  .calc__nav-buttons .btn {
    width: 100%;
  }
}