/* ── Buttons ───────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: var(--font-size-base);
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: background 0.15s, box-shadow 0.15s, transform 0.1s;
  white-space: nowrap;
  -webkit-appearance: none;
}

.btn:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 2px;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: var(--shadow-btn);
  width: 100%;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #223F95 0%, #091A68 100%);
  box-shadow: 0 10px 24px -8px rgba(14, 36, 128, 0.65);
}

.btn-ghost {
  background: transparent;
  color: var(--color-brand);
  border: 1.5px solid var(--color-brand);
  width: 100%;
}

.btn-ghost:hover {
  background: var(--color-brand-soft);
}

.btn-white {
  background: #fff;
  color: var(--color-brand-dark);
  font-weight: 700;
  padding: var(--space-3) var(--space-8);
  width: auto;
}

.btn-white:hover {
  background: var(--color-brand-soft);
}

.btn-calc {
  padding-block: var(--space-4);
  font-size: var(--font-size-lg);
  letter-spacing: 0.01em;
  width: 100%;
}

@media (min-width: 768px) {
  .btn-calc {
    width: auto;
    display: block;
    margin-inline: auto;
    padding-inline: var(--space-12);
  }
}

@media (min-width: 768px) {
  .btn-primary,
  .btn-ghost {
    width: auto;
    padding-inline: var(--space-8);
  }
}

/* ── Cards ─────────────────────────────────────────────────────── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: var(--space-6);
}

/* Step cards */
.step-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: var(--space-5);
  flex: 1;
}

.step-number {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-brand-soft);
  color: var(--color-brand);
  font-weight: 900;
  font-size: var(--font-size-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-content h3 {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-ink);
  margin-block-end: var(--space-1);
}

.step-content p {
  font-size: var(--font-size-sm);
  color: var(--color-body);
  line-height: 1.6;
}

/* Reason cards */
.reason-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: var(--space-6);
  display: flex;
  flex-direction: row;
  align-items: flex-start;
}

.reason-icon {
  flex-shrink: 0;
}

.reason-icon img {
  width: 84px;
  height: 84px;
  object-fit: contain;
}

.reason-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.reason-card h3 {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-ink);
}

.reason-card p {
  font-size: var(--font-size-sm);
  color: var(--color-body);
  line-height: 1.7;
}

@media (min-width: 768px) {
  .reason-card {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }

  .reason-icon img {
    width: 96px;
    height: 96px;
  }
}

@media (min-width: 1024px) {
  .reason-icon img {
    width: 108px;
    height: 108px;
  }
}

/* ── Calculator card internals ─────────────────────────────────── */
.calc-section-label {
  font-size: var(--font-size-sm);
  color: var(--color-muted);
  margin-block-end: var(--space-2);
  display: block;
}

.calc-amount-display {
  font-size: var(--font-size-2xl);
  font-weight: 900;
  color: var(--color-brand);
  margin-block-end: var(--space-3);
  display: block;
  direction: ltr;
  text-align: end;
}

/* Range slider */
.range-wrap {
  margin-block-end: var(--space-4);
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: var(--radius-full);
  background: linear-gradient(
    to left,
    var(--color-brand) 0 var(--fill, 0%),
    var(--color-border) var(--fill, 0%) 100%
  );
  outline: none;
  cursor: pointer;
  direction: rtl;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-brand);
  border: 3px solid #fff;
  box-shadow: 0 2px 8px rgba(41, 98, 255, 0.4);
  cursor: pointer;
  transition: box-shadow 0.15s;
}

input[type="range"]::-webkit-slider-thumb:hover {
  box-shadow: 0 2px 12px rgba(41, 98, 255, 0.6);
}

input[type="range"]::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-brand);
  border: 3px solid #fff;
  box-shadow: 0 2px 8px rgba(41, 98, 255, 0.4);
  cursor: pointer;
}

input[type="range"]:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 3px;
}

.range-bounds {
  display: flex;
  justify-content: space-between;
  margin-block-start: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--color-muted);
}

/* Chip group (installment count selector) */
.chip-group {
  display: flex;
  gap: var(--space-2);
  margin-block: var(--space-4) var(--space-6);
}

.chip {
  flex: 1;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-ink);
  font-family: inherit;
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
  text-align: center;
}

.chip:hover {
  border-color: rgba(41, 98, 255, 0.4);
}

.chip.selected {
  background: var(--color-brand-dark);
  border-color: var(--color-brand-dark);
  color: #fff;
  font-weight: 700;
}

.chip:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 2px;
}

/* Result table */
.calc-result {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-block-end: var(--space-5);
}

.calc-result div {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4);
  font-size: var(--font-size-sm);
}

.calc-result div + div {
  border-top: 1px solid var(--color-border);
}

.calc-result dt {
  color: var(--color-muted);
}

.calc-result dd {
  font-weight: 700;
  color: var(--color-ink);
  direction: ltr;
  text-align: start;
  min-width: 120px;
  text-align: end;
}

.calc-result dd.loading {
  color: var(--color-muted);
  font-weight: 400;
}

.calc-result dd.highlighted {
  color: var(--color-brand);
  font-size: var(--font-size-base);
}

/* Inline error in calculator */
.calc-error {
  display: none;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: #FEF2F2;
  border: 1px solid #FECACA;
  border-radius: var(--radius-md);
  color: var(--color-danger);
  font-size: var(--font-size-sm);
  margin-block-end: var(--space-4);
}

.calc-error.visible {
  display: flex;
}

.calc-error-retry {
  margin-inline-start: auto;
  color: var(--color-danger);
  font-weight: 600;
  text-decoration: underline;
  cursor: pointer;
  background: none;
  border: none;
  font-family: inherit;
  font-size: inherit;
}

/* ── FAQ / Accordion ───────────────────────────────────────────── */
.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-5);
  font-weight: 700;
  font-size: var(--font-size-base);
  color: var(--color-ink);
  cursor: pointer;
  list-style: none;
  gap: var(--space-3);
  user-select: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-chevron {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  transition: transform 0.25s;
  color: var(--color-muted);
}

.faq-item[open] .faq-chevron {
  transform: rotate(180deg);
}

.faq-item summary:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: -2px;
}

.faq-body {
  padding: 0 var(--space-5) var(--space-5);
  color: var(--color-body);
  font-size: var(--font-size-sm);
  line-height: 1.8;
  animation: faq-expand 0.2s ease-out;
}

@keyframes faq-expand {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Badge ─────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 500;
}

.badge-brand {
  background: var(--color-brand-soft);
  color: var(--color-brand);
}