/* ==========================================================================
   BLOCK: product-grid  (+ component: product-card)
   Industrial product presentation. Χωρίς τιμές, χωρίς e-shop UI.
   Το .product-card είναι ξεχωριστό component ώστε να επαναχρησιμοποιηθεί
   και στις σελίδες κατηγορίας / σύγκρισης.
   ========================================================================== */

.product-grid {
  background-color: var(--color-bg);
}

.product-grid__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding: var(--section-py) var(--container-pad);
}

/* ---------- HEAD ---------- */
.product-grid__head {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  align-items: end;
  gap: var(--gap-head);
  margin-bottom: var(--space-xl);
}

.product-grid__eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
  font-family: var(--font-heading);
  font-size: var(--fs-eyebrow);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-eyebrow);
  color: var(--color-text-muted);
}

.product-grid__eyebrow-tick {
  display: block;
  flex-shrink: 0;
  width: var(--tick-width);
  height: var(--tick-height);
  background-color: var(--color-primary);
}

.product-grid__title {
  max-width: 46rem;
  font-size: var(--fs-h2);
  color: var(--color-text);
}

.product-grid__intro {
  font-size: var(--fs-lead);
  line-height: var(--lh-body);
  color: var(--color-text-muted);
}

/* ---------- LIST ---------- */
.product-grid__list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap-grid);
}

.product-grid__item { display: flex; }

/* ---------- FOOT ---------- */
.product-grid__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: var(--border-width) solid var(--color-border);
}

.product-grid__foot-text {
  font-size: var(--fs-body-lg);
  color: var(--color-text);
}

.product-grid__foot-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  min-height: var(--control-height);
  padding-inline: var(--space-md);
  border: var(--border-width) solid var(--color-border-strong);
  color: var(--color-text);
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-btn);
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.product-grid__foot-cta:hover,
.product-grid__foot-cta:focus-visible {
  background-color: var(--color-bg-dark);
  color: var(--color-text-on-dark);
}

.product-grid__arrow { transition: transform var(--dur) var(--ease); }
.product-grid__foot-cta:hover .product-grid__arrow { transform: translateX(var(--arrow-shift)); }

/* ==========================================================================
   COMPONENT: product-card
   ========================================================================== */

.product-card {
  display: flex;
  flex-direction: column;
  width: 100%;
  background-color: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  transition: border-color var(--dur) var(--ease);
}

.product-card:hover { border-color: var(--color-border-strong); }

/* Variant: dark (ACF select → style: light | dark) */
.product-card--dark {
  background-color: var(--color-bg-dark);
  border-color: var(--color-bg-dark);
}

/* ---------- MEDIA ---------- */
.product-card__media {
  position: relative;
  aspect-ratio: var(--ratio-product);
  border-bottom: var(--border-width) solid var(--color-border);
  background-color: var(--photo-bg-light);
  background-image: var(--photo-grid-light);
  background-size: var(--photo-grid-size) var(--photo-grid-size);
  overflow: hidden;
}

.product-card--dark .product-card__media {
  border-bottom-color: var(--color-border-on-dark);
  background-color: var(--photo-bg-dark);
  background-image: var(--photo-grid-dark);
}

.product-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease);
}

.product-card:hover .product-card__image { transform: scale(var(--hover-zoom)); }

.product-card__media-note {
  position: absolute;
  left: var(--space-sm);
  top: var(--space-xs);
  font-family: var(--font-heading);
  font-size: var(--fs-label);
  letter-spacing: var(--ls-label);
  color: var(--color-text-muted);
}

.product-card--dark .product-card__media-note { color: var(--color-text-on-dark-50); }

.product-card__badge {
  position: absolute;
  right: var(--space-sm);
  top: var(--space-xs);
  padding: var(--space-3xs) var(--space-2xs);
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  font-family: var(--font-heading);
  font-size: var(--fs-label);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-label);
}

/* ---------- BODY ---------- */
.product-card__body {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  padding: var(--space-md);
}

.product-card__name {
  font-family: var(--font-heading);
  font-size: var(--fs-product-name);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-tight);
  color: var(--color-text);
}

.product-card--dark .product-card__name { color: var(--color-text-on-dark); }

.product-card__headline {
  margin-top: var(--space-3xs);
  margin-bottom: var(--space-xs);
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-normal);
  color: var(--color-primary);
}

.product-card--dark .product-card__headline { color: var(--color-primary-on-dark); }

.product-card__text {
  margin-bottom: var(--space-md);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-text-muted);
}

.product-card--dark .product-card__text { color: var(--color-text-on-dark-70); }

/* ---------- SPECS (ως design elements) ---------- */
.product-card__specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-sm);
  margin-top: auto;
  padding-top: var(--space-md);
  border-top: var(--border-width) solid var(--color-border);
}

.product-card--dark .product-card__specs { border-top-color: var(--color-border-on-dark); }

/* Έγκυρο <dl>: το <dt> προηγείται στο markup, η τιμή εμφανίζεται πάνω. */
.product-card__spec {
  display: flex;
  flex-direction: column-reverse;
  justify-content: flex-end;
}

.product-card__spec--wide { grid-column: span 2; }

.product-card__spec-value {
  font-family: var(--font-heading);
  font-size: var(--fs-spec);
  font-weight: var(--fw-bold);
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-stat);
  color: var(--color-text);
}

.product-card__spec-value--text {
  font-size: var(--fs-spec-text);
  font-weight: var(--fw-semibold);
  letter-spacing: 0;
}

.product-card--dark .product-card__spec-value { color: var(--color-text-on-dark); }

.product-card__spec-label {
  margin-top: var(--space-3xs);
  font-family: var(--font-heading);
  font-size: var(--fs-label);
  letter-spacing: var(--ls-label);
  line-height: var(--lh-snug);
  color: var(--color-text-muted);
}

.product-card--dark .product-card__spec-label { color: var(--color-text-on-dark-50); }

/* Ετικέτα που υπάρχει για screen readers αλλά δεν χρειάζεται οπτικά */
.product-card__spec-label--hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* ---------- CTA ---------- */
.product-card__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  align-self: flex-start;
  min-height: var(--touch-target);
  margin-top: var(--space-md);
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  color: var(--color-text);
  border-bottom: var(--border-width) solid transparent;
  transition: border-color var(--dur) var(--ease);
}

.product-card--dark .product-card__cta { color: var(--color-text-on-dark); }

.product-card__cta:hover,
.product-card__cta:focus-visible { border-bottom-color: currentColor; }

.product-card__arrow {
  color: var(--color-primary);
  transition: transform var(--dur) var(--ease);
}

.product-card__cta:hover .product-card__arrow { transform: translateX(var(--arrow-shift)); }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1100px) {
  .product-grid__head {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
  }

  .product-grid__list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 700px) {
  .product-grid__list { grid-template-columns: minmax(0, 1fr); }

  .product-grid__foot-cta,
  .product-card__cta {
    width: 100%;
    justify-content: space-between;
  }

  .product-card__cta {
    padding-inline: var(--space-sm);
    min-height: var(--control-height);
    border: var(--border-width) solid var(--color-border-strong);
  }

  .product-card--dark .product-card__cta { border-color: var(--color-border-on-dark-cta); }
}