/* =====================================================================
   CHECKOUT — customise + delivery + payment. Page-specific styles only.
   Shared components live in css/main.css (do not edit that file).
   ===================================================================== */

.checkout { padding-block: clamp(2rem, 1.5rem + 3vw, 3.5rem) var(--section-y); }

.checkout__header { margin-bottom: var(--space-8); max-width: 44rem; }
.checkout__title { margin-top: var(--space-3); }
.checkout__from {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary-tint);
  border: 1px solid var(--color-primary-border);
  border-radius: var(--radius-pill);
  font-size: var(--fs-sm);
  color: var(--color-primary-strong);
}
.checkout__from strong { color: var(--color-primary-strong); }

/* ---------------------------------------------------------------------
   Step accordion (progressive disclosure)
   --------------------------------------------------------------------- */
.co-steps { display: flex; flex-direction: column; gap: var(--space-5); }

.co-step {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: border-color var(--dur-base) var(--ease-standard), box-shadow var(--dur-base) var(--ease-standard);
}
.co-step.is-active { border-color: var(--color-primary-border); box-shadow: var(--shadow-md); }
.co-step.is-locked { opacity: 0.6; }

.co-step__header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  width: 100%;
  padding: var(--space-5) var(--space-6);
  text-align: left;
}
button.co-step__header { cursor: pointer; }
button.co-step__header:disabled { cursor: not-allowed; }
.co-step__num {
  flex: none;
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-weight: var(--fw-semibold);
  color: var(--color-primary);
  background: var(--color-primary-tint);
  transition: background-color var(--dur-base) var(--ease-standard), color var(--dur-base) var(--ease-standard);
}
.co-step.is-done .co-step__num { background: var(--color-primary); color: var(--color-on-primary); }
.co-step__num .icon { width: 1.1rem; height: 1.1rem; }
.co-step__heading { flex: 1; min-width: 0; }
.co-step__title { font-family: var(--font-display); font-size: var(--fs-h4); font-weight: var(--fw-semibold); }
.co-step__status { font-size: var(--fs-sm); color: var(--color-text-muted); margin-top: 2px; }
.co-step__edit {
  flex: none;
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.co-step.is-active .co-step__edit,
.co-step.is-locked .co-step__edit { display: none; }

.co-step__body {
  display: none;
  padding: 0 var(--space-6) var(--space-6);
}
.co-step.is-active .co-step__body { display: block; animation: co-body-in var(--dur-base) var(--ease-out); }
@keyframes co-body-in {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Only the active step shows its number as a plain step; done shows a check */
.co-step__num-check { display: none; }
.co-step.is-done .co-step__num-num { display: none; }
.co-step.is-done .co-step__num-check { display: block; }

/* ---------------------------------------------------------------------
   Customise controls
   --------------------------------------------------------------------- */
.co-control {
  padding: var(--space-5) 0;
  border-top: 1px solid var(--color-border);
}
.co-control:first-child { border-top: none; padding-top: var(--space-2); }
.co-control__label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-3);
}
.co-control__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.co-control__row .co-control__label { margin-bottom: 0; }

.co-tiers { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }
.co-tier__range { font-weight: var(--fw-semibold); }
.co-tier__note { font-size: var(--fs-sm); color: var(--color-text-muted); }

/* ---------------------------------------------------------------------
   Forms (delivery + payment)
   --------------------------------------------------------------------- */
.co-fields { display: grid; grid-template-columns: 1fr; gap: var(--space-5); }
@media (min-width: 560px) { .co-fields--2 { grid-template-columns: 1fr 1fr; } }
.co-field--full { grid-column: 1 / -1; }

.co-cards {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
}
.co-card-chip {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  color: var(--color-text-muted);
  padding: 0.3rem 0.55rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-xs);
  background: var(--color-surface);
}

.co-actions { margin-top: var(--space-6); display: flex; gap: var(--space-3); }

/* ---------------------------------------------------------------------
   Summary extras
   --------------------------------------------------------------------- */
/* Plan photo banner at the top of the summary; the inner .media fills it. */
.co-summary-media {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-5);
}
.co-structure {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px dashed var(--color-border);
}
.co-promo { margin-bottom: var(--space-5); }
.co-promo__label { font-size: var(--fs-sm); font-weight: var(--fw-semibold); margin-bottom: var(--space-2); display: block; }
.co-promo__msg { font-size: var(--fs-xs); margin-top: var(--space-2); }
.co-promo__msg.is-success { color: var(--color-success); }
.co-promo__msg.is-error { color: var(--color-danger); }

.co-total-anchor {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  justify-content: flex-end;
}
.co-strike {
  font-size: var(--fs-sm);
  color: var(--color-text-subtle);
  text-decoration: line-through;
  font-variant-numeric: tabular-nums;
}

.summary__foot .trust-row { margin-top: var(--space-4); justify-content: center; }
.summary__save-badge { margin-left: auto; }

/* ---------------------------------------------------------------------
   Confirmation (peak-end)
   --------------------------------------------------------------------- */
.co-confirm {
  max-width: 40rem;
  margin-inline: auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
  padding-block: var(--space-8);
}
.co-confirm__mark {
  width: 5rem;
  height: 5rem;
  border-radius: var(--radius-pill);
  display: grid;
  place-items: center;
  color: var(--color-on-primary);
  background: var(--color-primary);
  box-shadow: var(--shadow-md);
  animation: co-pop var(--dur-slower) var(--ease-spring);
}
.co-confirm__mark .icon { width: 2.25rem; height: 2.25rem; }
@keyframes co-pop {
  0% { transform: scale(0.4); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}
.co-confirm__title { font-size: var(--fs-h1); }
.co-confirm__lead { font-size: var(--fs-lg); color: var(--color-text-muted); }

.co-confirm__card {
  width: 100%;
  text-align: left;
  padding: var(--space-6);
  background: var(--color-primary-tint);
  border: 1px solid var(--color-primary-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.co-confirm__row { display: flex; align-items: flex-start; gap: var(--space-3); }
.co-confirm__row .icon { flex: none; color: var(--color-primary); margin-top: 2px; }
.co-confirm__row-label { font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: var(--ls-wide); color: var(--color-text-muted); }
.co-confirm__row-value { font-weight: var(--fw-semibold); }
.co-confirm__actions { display: flex; flex-direction: column; gap: var(--space-3); width: 100%; align-items: center; }