/* =============================================================
   MARS×3D — components.css
   Reusable building blocks: buttons, chips, cards, drawer, toast
   ============================================================= */

/* ---------- Link with arrow ---------- */
.link-arrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 13px; letter-spacing: 0.05em;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  width: max-content;
  transition: gap 0.4s var(--ease);
}
.link-arrow:hover { gap: 1rem; }
.link-arrow span { transition: transform 0.4s var(--ease); display: inline-block; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.4s var(--ease), color 0.4s var(--ease), transform 0.4s var(--ease);
  width: max-content;
}
.btn--primary {
  background: var(--ink);
  color: var(--bg);
}
.btn--primary:hover { background: var(--accent); }
.btn--ghost { border: 1px solid var(--line-strong); }
.btn--ghost:hover { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.btn--block { width: 100%; }
.btn[disabled] { opacity: 0.45; pointer-events: none; }

/* ---------- Chip / Filter ---------- */
.chip {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.55rem 1rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.chip:hover { border-color: var(--ink); }
.chip--active { background: var(--ink); color: var(--bg); border-color: var(--ink); }

/* ---------- Product Grid ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4rem 2.5rem;
  max-width: var(--max); margin: 0 auto;
}
@media (max-width: 1024px) { .grid { grid-template-columns: repeat(2, 1fr); gap: 3rem 1.5rem; } }
@media (max-width: 640px)  { .grid { grid-template-columns: 1fr; gap: 3rem; } }

/* ---------- Product Card ---------- */
.card {
  cursor: pointer;
  display: grid; gap: 1rem;
  position: relative;
}
.card__media {
  position: relative;
  aspect-ratio: 4 / 5;
  background: var(--bg-2);
  overflow: hidden;
  border-radius: 4px;
  transition: transform 0.6s var(--ease-out);
}
.card:hover .card__media { transform: translateY(-6px); }
.card__media svg,
.card__media img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  transition: transform 1.2s var(--ease-out);
}
.card__media img { object-fit: cover; }
.card:hover .card__media svg,
.card:hover .card__media img { transform: scale(1.04); }

.card__index {
  position: absolute; top: 1rem; left: 1rem;
  font-family: var(--serif); font-style: italic;
  font-size: 0.95rem; color: var(--ink-soft); z-index: 2;
}
.card__tag {
  position: absolute; top: 1rem; right: 1rem;
  font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase;
  background: var(--bg); padding: 0.3rem 0.6rem; border-radius: 999px;
  color: var(--ink-soft); z-index: 2;
}
.card__head {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 1rem;
}
.card__name {
  font-family: var(--serif); font-size: 1.5rem; line-height: 1.05;
}
.card__name em {
  display: block; font-size: 0.78rem; color: var(--ink-soft);
  font-style: italic; margin-top: 4px;
}
.card__price { font-variant-numeric: tabular-nums; font-size: 0.95rem; }
.card__desc { font-size: 13px; color: var(--ink-soft); max-width: 32ch; line-height: 1.6; }
.card__cta {
  margin-top: 0.25rem;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 0.5rem;
}
.card__cta span { transition: transform 0.4s var(--ease); display: inline-block; }
.card:hover .card__cta span { transform: translateX(8px); }
.card__swatches { display: flex; gap: 0.4rem; margin-top: 0.25rem; }
.card__swatch {
  width: 14px; height: 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
}
.card__swatch--split { border: none; outline: 1px solid var(--line-strong); }

/* ---------- Cart Drawer ---------- */
.cart-drawer {
  position: fixed; inset: 0; z-index: 80;
  pointer-events: none;
}
.cart-drawer.is-open { pointer-events: auto; }
.cart-drawer__scrim {
  position: absolute; inset: 0;
  background: rgba(20, 17, 13, 0.45);
  opacity: 0;
  transition: opacity 0.5s var(--ease);
}
.cart-drawer.is-open .cart-drawer__scrim { opacity: 1; }
.cart-drawer__panel {
  position: absolute; top: 0; right: 0; bottom: 0;
  width: 100%; max-width: 480px;
  background: var(--bg);
  display: flex; flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.6s var(--ease);
  box-shadow: -20px 0 60px rgba(20, 17, 13, 0.1);
}
.cart-drawer.is-open .cart-drawer__panel { transform: translateX(0); }
.cart-drawer__head {
  padding: 1.5rem 2rem;
  display: flex; justify-content: space-between; align-items: center;
  border-bottom: 1px solid var(--line);
}
.cart-drawer__head h3 { font-family: var(--serif); font-size: 1.6rem; }
.cart-drawer__head sup {
  color: var(--accent);
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 500;
  padding-left: 0.4rem;
  vertical-align: top;
  top: 0.2em;
}
.cart-drawer__close {
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  border-bottom: 1px solid currentColor; padding-bottom: 2px;
}
.cart-drawer__close:hover { color: var(--accent); }

.cart-drawer__body {
  flex: 1; overflow-y: auto;
  padding: 0.5rem 2rem;
}
.cart-drawer__empty {
  text-align: center;
  padding: 5rem 1rem;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.4rem;
  line-height: 1.4;
  max-width: 22ch;
  margin: 0 auto;
}

/* Cart line item */
.cart-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
}
.cart-item:last-child { border-bottom: none; }
.cart-item__media {
  aspect-ratio: 1;
  background: var(--bg-2);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}
.cart-item__media svg,
.cart-item__media img { width: 100%; height: 100%; object-fit: cover; }
.cart-item__body { display: grid; gap: 0.4rem; align-content: start; }
.cart-item__title {
  font-family: var(--serif); font-size: 1.15rem;
  display: flex; justify-content: space-between; gap: 1rem;
  line-height: 1.1;
}
.cart-item__variant {
  font-size: 11px; color: var(--ink-soft);
  letter-spacing: 0.05em; text-transform: uppercase;
}
.cart-item__qty {
  display: inline-flex; align-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 999px; width: max-content;
  margin-top: 0.4rem;
  overflow: hidden;
}
.cart-item__qty button {
  width: 28px; height: 28px; display: grid; place-items: center;
  font-size: 14px;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}
.cart-item__qty button:hover { background: var(--ink); color: var(--bg); }
.cart-item__qty span {
  padding: 0 0.4rem; font-size: 12px;
  font-variant-numeric: tabular-nums;
  min-width: 2ch; text-align: center;
}
.cart-item__remove {
  font-size: 10px; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--ink-soft);
  margin-top: 0.4rem;
  justify-self: start;
  transition: color 0.2s var(--ease);
}
.cart-item__remove:hover { color: var(--accent); }

.cart-drawer__foot {
  padding: 1.5rem 2rem 2rem;
  border-top: 1px solid var(--line);
  background: var(--bg);
}
.cart-drawer__totals {
  display: flex; justify-content: space-between; align-items: baseline;
  font-family: var(--serif);
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}
.cart-drawer__totals span:first-child {
  font-family: var(--sans);
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-soft);
}
.cart-drawer__note {
  font-size: 11px; color: var(--ink-soft); margin-bottom: 1.25rem;
  line-height: 1.5;
}

/* ---------- Language Switcher ---------- */
.nav__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lang {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}
.lang__sep {
  font-size: 10px;
  color: currentColor;
  opacity: 0.25;
  pointer-events: none;
}
.lang__btn {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  padding: 0.3rem 0.45rem;
  border-radius: 3px;
  opacity: 0.35;
  transition: opacity 0.3s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease);
  line-height: 1;
}
.lang__btn:hover { opacity: 0.75; }
.lang__btn.is-active {
  opacity: 1;
  background: var(--ink);
  color: var(--bg);
  border-radius: 3px;
}
/* When nav is stuck (has bg) the dark pill still reads; keep it */
.nav.is-stuck .lang__btn.is-active {
  background: var(--ink);
  color: var(--bg);
}

@media (max-width: 720px) {
  .nav__actions { gap: 0.75rem; }
  .lang__btn    { padding: 0.25rem 0.35rem; }
}

/* ---------- Toast ---------- */
.toast {
  position: fixed; bottom: 2rem; left: 50%;
  transform: translate(-50%, 200%);
  background: var(--ink); color: var(--bg);
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.05em;
  z-index: 90;
  transition: transform 0.5s var(--ease);
  pointer-events: none;
  box-shadow: 0 20px 40px rgba(20, 17, 13, 0.2);
  white-space: nowrap;
  max-width: calc(100vw - 2rem);
  text-overflow: ellipsis;
  overflow: hidden;
}
.toast.is-visible { transform: translate(-50%, 0); }

/* ---------- Checkout overlay ---------- */
.checkout {
  position: fixed; inset: 0; z-index: 85;
  pointer-events: none;
}
.checkout.is-open { pointer-events: auto; }
.checkout__scrim {
  position: absolute; inset: 0;
  background: rgba(20, 17, 13, 0.45);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}
.checkout.is-open .checkout__scrim { opacity: 1; }
.checkout__panel {
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, calc(-50% + 24px));
  opacity: 0;
  width: min(540px, calc(100vw - 2rem));
  max-height: min(88vh, 100%);
  overflow-y: auto;
  background: var(--bg);
  border: 1px solid var(--line);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  box-shadow: 0 40px 80px rgba(20, 17, 13, 0.25);
  transition: transform 0.5s var(--ease-out), opacity 0.4s var(--ease);
}
.checkout.is-open .checkout__panel {
  transform: translate(-50%, -50%);
  opacity: 1;
}
.checkout__head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.checkout__head h3 { font-family: var(--serif); font-size: 1.6rem; }
.checkout__close {
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-soft);
  transition: color 0.3s var(--ease);
}
.checkout__close:hover { color: var(--accent); }

.checkout__intro {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.checkout__summary {
  border-top: 1px solid var(--line);
  margin-bottom: 1.5rem;
}
.checkout__item {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 1rem;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
}
.checkout__item-media {
  aspect-ratio: 1;
  background: var(--bg-2);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}
.checkout__item-media svg,
.checkout__item-media img { width: 100%; height: 100%; object-fit: cover; }
.checkout__item-body { display: grid; gap: 0.3rem; }
.checkout__item-title {
  font-family: var(--serif); font-size: 1.05rem;
  display: flex; justify-content: space-between; gap: 1rem;
  line-height: 1.1;
}
.checkout__item-variant {
  display: inline-flex; align-items: center; gap: 0.45rem;
  font-size: 11px; color: var(--ink-soft);
  letter-spacing: 0.05em; text-transform: uppercase;
}
.checkout__item-swatch {
  width: 14px; height: 14px; flex: none;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
}
.checkout__line {
  display: flex; justify-content: space-between; gap: 1rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink-soft);
}
.checkout__line--total {
  color: var(--ink);
  font-weight: 500;
}

.checkout__form { display: grid; gap: 1rem; }
.checkout__row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
}
.field { display: grid; gap: 0.4rem; }
.field span {
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-soft);
}
.field input,
.field textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  background: rgba(255, 255, 255, 0.4);
  border: 1px solid var(--line-strong);
  border-radius: 0;
  font: inherit;
  color: var(--ink);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.field textarea { resize: vertical; min-height: 70px; }
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--ink);
  background: rgba(255, 255, 255, 0.7);
}
.checkout__error {
  font-size: 13px;
  color: var(--accent);
}
.checkout__error a {
  text-decoration: underline;
  font-weight: 500;
}

.checkout__success {
  text-align: center;
  padding: 2rem 0 1rem;
  display: grid; gap: 0.75rem; justify-items: center;
}
.checkout__success-mark {
  width: 52px; height: 52px;
  display: grid; place-items: center;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: 1.4rem;
}
.checkout__form[hidden],
.checkout__summary[hidden],
.checkout__success[hidden] { display: none; }
.checkout__success h4 { font-family: var(--serif); font-size: 1.5rem; }
.checkout__success p { font-size: 14px; color: var(--ink-soft); max-width: 36ch; }
.checkout__success .btn { margin-top: 0.5rem; }

@media (max-width: 520px) {
  .checkout__row { grid-template-columns: 1fr; }
}

/* ---------- WhatsApp floating button ---------- */
.wa-fab {
  position: fixed;
  right: 1.25rem; bottom: 1.25rem;
  z-index: 60;
  width: 56px; height: 56px;
  border-radius: 999px;
  background: #25d366;
  color: #fff;
  display: grid; place-items: center;
  box-shadow: 0 12px 28px rgba(20, 17, 13, 0.28);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}
.wa-fab:hover { transform: translateY(-3px) scale(1.05); }
body:has(.cart-drawer.is-open) .wa-fab,
body:has(.checkout.is-open) .wa-fab,
body:has(.product-view.is-open) .wa-fab {
  opacity: 0;
  pointer-events: none;
}