.checkout-header {
  border-bottom: 1px solid var(--color-border);
  padding-block: 1.1rem;
}

.checkout-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.checkout-shell {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.checkout-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: start;
}

@media (max-width: 900px) {
  .checkout-grid { grid-template-columns: 1fr; }
}

.checkout-step {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

[dir='rtl'] .checkout-step { letter-spacing: 0; }

.checkout-title { font-size: clamp(1.7rem, 3vw, 2.3rem); margin-bottom: 0.6rem; }
.checkout-subtitle { color: var(--color-ink-soft); margin-bottom: 2rem; }

/* Summary card */
.summary-card {
  position: sticky;
  top: 6.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2rem);
  box-shadow: var(--shadow-sm);
}

.summary-card h2 {
  font-size: 1.05rem;
  margin-bottom: 1.3rem;
}

.summary-line {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.9rem;
  border-bottom: 1px dashed var(--color-border-strong);
}

.summary-line strong { font-size: 0.98rem; }
.summary-line span { color: var(--color-ink-soft); font-size: 0.86rem; }

.summary-total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-top: 1.2rem;
  font-family: var(--font-display);
}

.summary-total .amount {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-accent);
}

.summary-trust {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.summary-trust .pill { justify-content: flex-start; width: 100%; }

/* Live card preview */
.card-preview {
  position: relative;
  aspect-ratio: 1.586;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--color-accent-deep), var(--color-accent) 55%, #1c7398 100%);
  color: #fff;
  padding: 1.5rem 1.6rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-lg);
  margin-bottom: 1.75rem;
  overflow: hidden;
}

.card-preview::after {
  content: '';
  position: absolute;
  width: 65%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.16), transparent 70%);
  top: -20%;
  inset-inline-end: -15%;
}

.card-preview__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.card-preview__chip {
  width: 2.4rem;
  height: 1.8rem;
  border-radius: 5px;
  background: linear-gradient(155deg, #e9d38b, #c9a94f);
}

.card-preview__network {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
}

.card-preview__number {
  font-family: 'Manrope', monospace;
  font-size: clamp(1.1rem, 2.4vw, 1.35rem);
  letter-spacing: 0.12em;
  font-weight: 600;
}

.card-preview__bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
}

.card-preview__label {
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.7;
  margin-bottom: 0.2rem;
}

.card-preview__holder,
.card-preview__expiry {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
}

/* Form card */
.form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  box-shadow: var(--shadow-sm);
}

.form-card h2 {
  font-size: 1.05rem;
  margin-bottom: 1.3rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.form-card h2 .icon { width: 1.1rem; height: 1.1rem; color: var(--color-accent); }

.confirmed-details {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.3rem;
  margin-bottom: 1.75rem;
}

.confirmed-details__row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.confirmed-details__row span {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-ink-soft);
}

.confirmed-details__row .icon { width: 1rem; height: 1rem; color: var(--color-accent); flex-shrink: 0; }

.confirmed-details__edit {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-accent);
  flex-shrink: 0;
  white-space: nowrap;
}

.confirmed-details__edit:hover { text-decoration: underline; }

.form-divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin-block: 1.75rem;
}

.card-field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 480px) {
  .card-field-row { grid-template-columns: 1fr; }
}

.checkout-secure-note {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--color-ink-faint);
  margin-top: 1.25rem;
}

.checkout-secure-note .icon { width: 1rem; height: 1rem; color: var(--color-accent); }

.checkout-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-ink-soft);
}

[dir='rtl'] .checkout-back .icon { transform: scaleX(-1); }

/* ---------- Result pages (success / failed) ---------- */
.result-shell {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem var(--gutter);
}

.result-card {
  max-width: 520px;
  width: 100%;
  text-align: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(2.5rem, 6vw, 3.5rem);
  box-shadow: var(--shadow-lg);
}

.result-icon {
  width: 5rem;
  height: 5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-inline: auto;
  margin-bottom: 1.75rem;
}

.result-icon.is-success { background: var(--color-success-tint); color: var(--color-success); }
.result-icon.is-failed { background: var(--color-error-tint); color: var(--color-error); }
.result-icon .icon { width: 2.4rem; height: 2.4rem; }

.result-card h1 { font-size: 1.8rem; margin-bottom: 0.8rem; }
.result-card p { color: var(--color-ink-soft); margin-bottom: 1.5rem; }

.result-amount {
  display: inline-flex;
  flex-direction: column;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  padding: 1rem 2rem;
  margin-bottom: 1.75rem;
}

.result-amount span { font-size: 0.8rem; color: var(--color-ink-faint); }
.result-amount strong { font-family: var(--font-display); font-size: 1.5rem; color: var(--color-accent); }

.result-actions {
  display: flex;
  gap: 0.9rem;
  justify-content: center;
  flex-wrap: wrap;
}