/* ==========================================================================
   ROG BIKES — PRODUCT CARD STYLES
   BEM namespace: .rb-card
   Bright Technical Design: 1px hairlines, Oswald display, race-red accent
   ========================================================================== */

product-card,
.rb-card {
  display: flex;
  flex-direction: column;
  background-color: var(--rb-color-bg, #FFFFFF);
  border: 1px solid var(--rb-color-line, #D9DCE1);
  border-radius: var(--rb-radius, 0.25rem);
  height: 100%;
  position: relative;
  overflow: hidden;
  transition: border-color var(--rb-dur, 240ms) var(--rb-ease, cubic-bezier(0.2, 0.7, 0.2, 1)),
              box-shadow var(--rb-dur, 240ms) var(--rb-ease, cubic-bezier(0.2, 0.7, 0.2, 1)),
              transform var(--rb-dur, 240ms) var(--rb-ease, cubic-bezier(0.2, 0.7, 0.2, 1));
}

@media (hover: hover) and (pointer: fine) {
  .rb-card:hover {
    border-color: var(--rb-color-ink, #111418);
    box-shadow: var(--rb-shadow-2, 0 0.5rem 1.5rem rgb(17 20 24 / 0.10));
    transform: translateY(-0.125rem);
  }
}

.rb-card__inner {
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* Media stage */
.rb-card__media-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background-color: var(--rb-color-surface, #F2F3F5);
  border-bottom: 1px solid var(--rb-color-line, #D9DCE1);
  overflow: hidden;
}

.rb-card__media {
  display: block;
  width: 100%;
  height: 100%;
  text-decoration: none;
  color: inherit;
}

.rb-card__image-frame {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: 0.75rem;
  box-sizing: border-box;
  position: relative;
}

.rb-card__image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  transition: transform var(--rb-dur-slow, 420ms) var(--rb-ease, cubic-bezier(0.2, 0.7, 0.2, 1)),
              opacity var(--rb-dur, 240ms) ease;
}

.rb-card__image--hover {
  position: absolute;
  inset: 0.75rem;
  width: calc(100% - 1.5rem);
  height: calc(100% - 1.5rem);
  opacity: 0;
  pointer-events: none;
}

@media (hover: hover) {
  .rb-card--has-hover:hover .rb-card__image--hover {
    opacity: 1;
  }
  .rb-card--has-hover:hover .rb-card__image--main {
    opacity: 0;
  }
  .rb-card:hover .rb-card__image {
    transform: scale(1.03);
  }
}

.rb-card__placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: var(--rb-color-muted, #6B7280);
}

/* Badges */
.rb-card__badges {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  z-index: 2;
  pointer-events: none;
}

.rb-badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--rb-font-display, 'Oswald', sans-serif);
  font-size: 0.6875rem;
  font-weight: 700;
  line-height: 1;
  padding: 0.25rem 0.4375rem;
  border-radius: var(--rb-radius, 0.25rem);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.rb-badge--sale {
  background-color: var(--rb-color-accent, #E10600);
  color: var(--rb-color-on-accent, #FFFFFF);
}

.rb-badge--soldout {
  background-color: var(--rb-color-ink-2, #4A5160);
  color: #FFFFFF;
}

/* Quick Tools */
.rb-card__tools {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  z-index: 3;
  opacity: 0;
  transform: translateX(0.375rem);
  transition: opacity var(--rb-dur-fast, 150ms) ease,
              transform var(--rb-dur-fast, 150ms) ease;
}

@media (hover: hover) {
  .rb-card:hover .rb-card__tools,
  .rb-card:focus-within .rb-card__tools {
    opacity: 1;
    transform: translateX(0);
  }
}

@media (hover: none) {
  .rb-card__tools {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 767px) {
  .rb-card__tools .rb-card__tool--quickview,
  .rb-card__tools .rb-card__tool--compare {
    display: none;
  }

  .rb-card .rb-card__hints,
  .rb-card .rb-card__swatches {
    display: none;
  }
}

.rb-card__tool {
  width: 2rem;
  height: 2rem;
  min-width: 2rem;
  min-height: 2rem;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: #FFFFFF;
  border: 1px solid var(--rb-color-line, #D9DCE1);
  border-radius: var(--rb-radius, 0.25rem);
  color: var(--rb-color-ink, #111418);
  cursor: pointer;
  transition: background-color var(--rb-dur-fast, 150ms) ease,
              border-color var(--rb-dur-fast, 150ms) ease,
              color var(--rb-dur-fast, 150ms) ease;
  position: relative;
}

.rb-card__tool::after {
  content: '';
  position: absolute;
  inset: -0.4375rem;
}

.rb-card__tool:hover,
.rb-card__tool:focus-visible {
  background-color: var(--rb-color-surface, #F2F3F5);
  border-color: var(--rb-color-accent, #E10600);
  color: var(--rb-color-accent, #E10600);
  outline: none;
}

.rb-card__tool:focus-visible {
  box-shadow: 0 0 0 2px var(--rb-color-accent, #E10600);
}

.rb-card__tool.is-active,
.rb-card__tool.active {
  background-color: #FFF2F0;
  border-color: var(--rb-color-accent, #E10600);
  color: var(--rb-color-accent, #E10600);
}

.rb-card__tool.is-loading .rb-card__spinner {
  display: block;
}

.rb-card__tool.is-loading svg {
  display: none;
}

/* Spinner */
.rb-card__spinner {
  display: none;
  width: 0.875rem;
  height: 0.875rem;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: rb-spin 0.6s linear infinite;
}

@keyframes rb-spin {
  to { transform: rotate(360deg); }
}

/* Content */
.rb-card__content {
  padding: 0.875rem 1rem 1rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 0.5rem;
}

.rb-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.rb-card__vendor,
.rb-card__type {
  font-family: var(--rb-font-display, 'Oswald', sans-serif);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--rb-color-ink-2, #4A5160);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.rb-card__stock {
  display: inline-flex;
  align-items: center;
  gap: 0.3125rem;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.rb-card__stock--in {
  color: var(--rb-color-success, #0F7B3F);
}

.rb-card__stock-dot {
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 50%;
  background-color: currentColor;
}

.rb-card__stock--out {
  color: var(--rb-color-muted, #6B7280);
}

.rb-card__title {
  margin: 0;
  font-family: var(--rb-font-body, 'Be Vietnam Pro', sans-serif);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.5rem;
}

.rb-card__title a {
  color: var(--rb-color-ink, #111418);
  text-decoration: none;
  transition: color var(--rb-dur-fast, 150ms) ease;
}

.rb-card__title a:hover,
.rb-card__title a:focus-visible {
  color: var(--rb-color-accent, #E10600);
}

/* Hints / Spec line */
.rb-card__hints {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.375rem;
  font-size: 0.75rem;
  color: var(--rb-color-ink-2, #4A5160);
  background-color: var(--rb-color-surface, #F2F3F5);
  border: 1px solid var(--rb-color-line, #D9DCE1);
  border-radius: var(--rb-radius, 0.25rem);
  padding: 0.25rem 0.5rem;
}

.rb-card__hint-item {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.rb-card__hint-label {
  font-weight: 600;
  color: var(--rb-color-ink, #111418);
}

.rb-card__hint-sep {
  color: var(--rb-color-line, #D9DCE1);
}

/* Swatches */
.rb-card__swatches {
  display: flex;
  align-items: center;
  gap: 0.3125rem;
  flex-wrap: wrap;
}

.rb-card__swatch {
  width: 1.5rem;
  height: 1.5rem;
  min-width: 1.5rem;
  min-height: 1.5rem;
  padding: 1px;
  background-color: #FFFFFF;
  border: 1px solid var(--rb-color-line, #D9DCE1);
  border-radius: var(--rb-radius, 0.25rem);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--rb-dur-fast, 150ms) ease;
}

.rb-card__swatch:hover,
.rb-card__swatch.is-active {
  border-color: var(--rb-color-accent, #E10600);
  outline: 1px solid var(--rb-color-accent, #E10600);
}

.rb-card__swatch img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 1px;
}

.rb-card__swatch-text {
  font-family: var(--rb-font-display, 'Oswald', sans-serif);
  font-size: 0.625rem;
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
  color: var(--rb-color-ink-2, #4A5160);
}

.rb-card__swatch--text {
  width: auto;
  padding: 0 0.5rem;
}

.rb-card__swatch--text .rb-card__swatch-text {
  font-size: 0.6875rem;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.rb-card__swatch--text.is-active .rb-card__swatch-text {
  color: var(--rb-color-accent-ink, #B80500);
}

/* Footer & CTA */
.rb-card__footer {
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--rb-color-line, #D9DCE1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.625rem;
}

.rb-card__price {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.rb-card__price-main {
  font-family: var(--rb-font-display, 'Oswald', sans-serif);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--rb-color-accent-ink, #B80500);
  line-height: 1.1;
  letter-spacing: 0.01em;
}

.rb-card__price-from {
  font-family: var(--rb-font-body, 'Be Vietnam Pro', sans-serif);
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--rb-color-muted, #6B7280);
  margin-right: 0.125rem;
}

.rb-card__price-compare {
  font-family: var(--rb-font-body, 'Be Vietnam Pro', sans-serif);
  font-size: 0.8125rem;
  color: var(--rb-color-muted, #6B7280);
  text-decoration: line-through;
}

.rb-card__price-contact {
  font-family: var(--rb-font-display, 'Oswald', sans-serif);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--rb-color-ink, #111418);
  text-transform: uppercase;
}

.rb-card__action {
  display: flex;
  align-items: center;
}

.rb-card__btn {
  height: 2.25rem;
  padding: 0 0.875rem;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  white-space: nowrap;
}
@media (max-width: 767px) {
  .rb-card__action {
    width: 100%;
  }

  .rb-card__action .rb-card__btn {
    width: 100%;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
  }
}

.rb-card__btn.is-disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

.rb-card__btn.is-loading .rb-card__spinner {
  display: block;
}

/* Button variants per DESIGN.md */
.rb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0 1.25rem;
  font-family: var(--rb-font-display, 'Oswald', sans-serif);
  font-size: 0.9375rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: var(--rb-radius, 0.25rem);
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--rb-dur-fast, 150ms) ease,
              border-color var(--rb-dur-fast, 150ms) ease,
              color var(--rb-dur-fast, 150ms) ease,
              transform var(--rb-dur-fast, 150ms) ease;
  box-sizing: border-box;
}

.rb-btn--primary {
  background-color: var(--rb-color-accent, #E10600);
  border: 1px solid var(--rb-color-accent, #E10600);
  color: var(--rb-color-on-accent, #FFFFFF);
}

.rb-btn--primary:hover,
.rb-btn--primary:focus-visible {
  background-color: var(--rb-color-accent-ink, #B80500);
  border-color: var(--rb-color-accent-ink, #B80500);
}

.rb-btn--ghost {
  background-color: transparent;
  border: 1px solid var(--rb-color-ink, #111418);
  color: var(--rb-color-ink, #111418);
}

.rb-btn--ghost:hover,
.rb-btn--ghost:focus-visible {
  background-color: var(--rb-color-surface, #F2F3F5);
  border-color: var(--rb-color-ink, #111418);
}

.rb-btn--quiet {
  background-color: var(--rb-color-surface, #F2F3F5);
  border: 1px solid var(--rb-color-line, #D9DCE1);
  color: var(--rb-color-ink-2, #4A5160);
}

@media (hover: hover) {
  .rb-btn--quiet:hover {
    background-color: var(--rb-color-surface-2, #E8EAEE);
    border-color: var(--rb-color-ink, #111418);
    color: var(--rb-color-ink, #111418);
  }
}

/* Shared Grid Container */
.rb-product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

@media (min-width: 768px) {
  .rb-product-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
  }
}

@media (min-width: 1200px) {
  .rb-product-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.5rem;
  }
}