/* ============================================
   BuildGuide — Budget Calculator
   ============================================ */

.budget-page {
  padding: clamp(2rem, 4vw, 4rem) 0;
  background: var(--color-cream);
  min-height: 60vh;
}

.budget-page .container {
  max-width: 760px;
}

.budget-page__header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.budget-page__eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-coral-strong);
  margin-bottom: var(--space-3);
}

.budget-page__title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--color-brand-navy);
  margin: 0 0 var(--space-3);
  line-height: 1.15;
}

.budget-page__lead {
  color: rgba(11, 37, 69, 0.78);
  font-size: clamp(1rem, 1.1vw, 1.1rem);
  line-height: 1.55;
  max-width: 600px;
  margin: 0 auto;
}

/* ===== Form ===== */
.budget-form {
  background: #ffffff;
  border-radius: var(--radius-2xl);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  border: 1px solid rgba(11, 37, 69, 0.08);
  box-shadow: 0 4px 12px rgba(11, 37, 69, 0.05);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.budget-form__row {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.budget-form__row--check {
  flex-direction: row;
  align-items: center;
}

.budget-form__label {
  font-weight: 600;
  color: var(--color-brand-navy);
  font-size: 0.95rem;
}

.budget-form__hint {
  font-weight: 400;
  font-size: 0.85rem;
  color: rgba(11, 37, 69, 0.65);
}

.budget-form__select,
.budget-form__input {
  font-size: 16px; /* iOS no-zoom */
  min-height: 48px;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-lg);
  border: 1.5px solid rgba(11, 37, 69, 0.15);
  background: #fff;
  color: var(--color-brand-navy);
  font-family: inherit;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.budget-form__select:focus-visible,
.budget-form__input:focus-visible {
  outline: none;
  border-color: var(--color-brand-coral);
  box-shadow: 0 0 0 3px rgba(255, 107, 74, 0.18);
}

.budget-form__check {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  cursor: pointer;
  font-size: 0.95rem;
  color: var(--color-brand-navy);
  line-height: 1.4;
}
.budget-form__check input {
  margin-top: 0.2em;
  width: 18px; height: 18px;
  accent-color: var(--color-brand-coral);
  flex-shrink: 0;
}
.budget-form__check small {
  color: rgba(11, 37, 69, 0.6);
  font-size: 0.8rem;
  display: block;
  margin-top: 2px;
}

.budget-form__submit {
  align-self: flex-start;
  min-width: 200px;
  margin-top: var(--space-2);
}

/* ===== Result ===== */
.budget-result {
  background: linear-gradient(135deg, #ffffff 0%, #ffffff 60%, rgba(255, 107, 74, 0.04) 100%);
  border: 1px solid rgba(255, 107, 74, 0.18);
  border-left: 4px solid var(--color-brand-coral);
  border-radius: var(--radius-2xl);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  margin-top: var(--space-6);
  box-shadow: 0 8px 24px rgba(11, 37, 69, 0.08);
}

.budget-result__header {
  margin-bottom: var(--space-5);
}

.budget-result__eyebrow {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-coral-strong);
  margin-bottom: var(--space-2);
}

.budget-result__title {
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  font-weight: 800;
  color: var(--color-brand-navy);
  margin: 0;
  line-height: 1.2;
}

.budget-result__qty {
  margin: 0.4rem 0 0;
  color: rgba(11, 37, 69, 0.65);
  font-size: 0.95rem;
}

.budget-result__numbers {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-4) 0;
  border-top: 1px solid rgba(11, 37, 69, 0.08);
  border-bottom: 1px solid rgba(11, 37, 69, 0.08);
}

.budget-result__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.budget-result__label {
  font-size: 0.85rem;
  color: rgba(11, 37, 69, 0.65);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.budget-result__amount {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 700;
  color: var(--color-brand-navy);
  font-variant-numeric: tabular-nums;
}

.budget-result__row--primary .budget-result__amount {
  color: var(--color-coral-strong);
  font-size: clamp(1.25rem, 2.5vw, 1.65rem);
  font-weight: 800;
}

.budget-result__note {
  margin: var(--space-4) 0 0;
  color: rgba(11, 37, 69, 0.72);
  font-size: 0.9rem;
  line-height: 1.5;
  font-style: italic;
}

.budget-result__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(11, 37, 69, 0.08);
}

.budget-result__link {
  color: var(--color-coral-strong);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
  align-self: center;
}

/* ===== Disclaimer ===== */
.budget-disclaimer {
  margin-top: var(--space-8);
  padding: var(--space-5);
  background: rgba(11, 37, 69, 0.03);
  border-radius: var(--radius-xl);
  font-size: 0.9rem;
  color: rgba(11, 37, 69, 0.78);
  line-height: 1.55;
}
.budget-disclaimer h3 {
  margin: 0 0 var(--space-3);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-brand-navy);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.budget-disclaimer ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.budget-disclaimer li {
  padding-left: 1.2rem;
  position: relative;
}
.budget-disclaimer li::before {
  content: '·';
  position: absolute;
  left: 0.4rem;
  font-weight: 700;
  color: var(--color-brand-coral);
}
.budget-disclaimer a {
  color: var(--color-coral-strong);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  .budget-form__select, .budget-form__input,
  .budget-form__submit {
    transition: none !important;
  }
}