/* ==========================================================================
   Checkout page (checkout.html) — loaded after base.css + cart.css
   Steps form · delivery/payment options · summary (collapsible on mobile) · confirmation
   ========================================================================== */

.checkout { padding-top: calc(var(--nav-h) + 1.5rem); padding-bottom: 6rem; }
.checkout__top { display: grid; gap: 1rem; margin-bottom: 2rem; }
.checkout__title { font-size: clamp(3rem, 8vw, 6.5rem); }
.checkout__grid { display: grid; gap: 1.5rem; }
@media (min-width: 992px) {
  .checkout__grid { grid-template-columns: minmax(0, 1fr) 26rem; gap: 4rem; align-items: start; }
  .co-summary { order: 2; position: sticky; top: calc(var(--nav-h) + 1.5rem); }
}

/* Summary (collapsible on mobile) */
.co-summary { border: 1px solid var(--line-dark); border-radius: var(--radius); background: var(--iron); }
.co-summary__toggle { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 1.25rem; }
.co-summary__toggle .eyebrow { display: flex; align-items: center; gap: 0.5rem; color: var(--ember); }
.co-summary__body { display: grid; gap: 1.25rem; padding: 0 1.25rem 1.25rem; }
@media (min-width: 992px) { .co-summary__toggle { pointer-events: none; } }
.co-lines { display: grid; gap: 1rem; padding-top: 0.5rem; }
.co-line { display: flex; align-items: center; gap: 0.85rem; }
.co-line__img { position: relative; width: 3.75rem; flex-shrink: 0; aspect-ratio: 4 / 5; border-radius: var(--radius); background: var(--studio); }
.co-line__img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; border-radius: inherit; }
.co-line__qty { position: absolute; top: -0.45rem; right: -0.45rem; min-width: 1.3rem; height: 1.3rem; padding: 0 0.3rem; border-radius: 999px; background: var(--steel); color: var(--soot); font: 700 0.65rem/1.3rem var(--font-mono); text-align: center; }
.co-line__body { flex: 1; min-width: 0; }
.co-line__name { font-size: 1.1rem; line-height: 1; }
.co-line__meta { margin-top: 0.3rem; color: var(--steel); }
.co-line__price { font-family: var(--font-mono); font-size: 0.9rem; }

/* Steps */
.co-form { display: grid; gap: 1.25rem; }
.co-step { display: grid; gap: 1.25rem; padding: 1.5rem; border: 1px solid var(--line-dark); border-radius: var(--radius); }
.co-step__head { display: flex; align-items: center; gap: 0.85rem; margin-bottom: 0.25rem; }
.co-step__num { width: 2rem; height: 2rem; display: grid; place-items: center; border-radius: 999px; background: var(--ember); color: var(--soot); font: 700 0.85rem/1 var(--font-mono); }
.co-step__title { font-size: 1.9rem; }
@media (min-width: 640px) { .co-step { padding: 2rem; } }

/* Delivery / payment options */
.co-options { display: grid; gap: 0.5rem; }
.co-option { display: block; cursor: pointer; }
.co-option input { position: absolute; opacity: 0; pointer-events: none; }
.co-option__body { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 1.1rem 1rem 3rem; border: 1.5px solid var(--line-dark); border-radius: var(--radius); position: relative; transition: border-color 0.2s, background-color 0.2s; }
.co-option__body::before { content: ""; position: absolute; left: 1.1rem; top: 50%; width: 1.05rem; height: 1.05rem; translate: 0 -50%; border-radius: 999px; border: 1.5px solid var(--steel); transition: border 0.2s; }
.co-option__body > span:first-child { display: grid; gap: 0.15rem; }
.co-option input:checked + .co-option__body { border-color: var(--ember); background: rgb(226 85 31 / 0.06); }
.co-option input:checked + .co-option__body::before { border: 5px solid var(--ember); }
.co-option input:focus-visible + .co-option__body { outline: 2px solid var(--ember-hot); outline-offset: 3px; }
.co-cards { color: var(--steel); }
.co-card { padding: 1rem 0 0.5rem; }
.co-secure { display: flex; align-items: center; gap: 0.5rem; margin-top: -0.5rem; }
.co-place { min-height: 3.75rem; font-size: 0.9rem; }
.co-terms { text-align: center; }

/* Confirmation */
.confirm { display: grid; justify-items: center; gap: 1.25rem; max-width: 46rem; padding-block: 2rem 4rem; text-align: center; }
.confirm__title { font-size: clamp(3.2rem, 9vw, 7rem); }
.confirm__sub { font-size: clamp(1.15rem, 1.8vw, 1.5rem); color: var(--ash); }
.confirm__lines { width: 100%; max-width: 28rem; margin-block: 1rem; padding: 1.25rem; border: 1px solid var(--line-dark); border-radius: var(--radius); background: var(--iron); text-align: left; }