.page-products {
  --page-font-heading: var(--font-heading, Georgia, serif);
  --page-font-body: var(--font-body, Inter, sans-serif);
  --page-color-cream: var(--color-cream, #f5f0e8);
  --page-color-blue: var(--color-blue, #1D3557);
  --page-color-red: var(--color-red, #E63946);
  --page-color-silver: var(--color-silver, #CAD2C5);
  --page-color-light-gray: var(--color-light-gray, #b0b0b0);
  --page-color-mid-gray: var(--color-mid-gray, #4a4a4a);
  --page-color-deep-gray: var(--color-deep-gray, #2d2d2d);
  --page-color-amber: var(--color-amber, #FFB347);
  --page-color-warm-gray: var(--color-warm-gray, #d4c9b8);
  --page-radius: var(--border-radius, 8px);
  --page-shadow-sm: 0 2px 6px rgba(0,0,0,0.06);
  --page-shadow-md: 0 10px 24px rgba(0,0,0,0.08);
  --page-transition: 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
  --page-max-width: 1200px;
  --page-breadcrumb-color: var(--page-color-mid-gray);
  --page-breadcrumb-sep: var(--page-color-light-gray);

  display: block;
  font-family: var(--page-font-body);
  background-color: var(--page-color-cream);
  color: var(--page-color-mid-gray);
  padding: 0 1rem 2rem;
  box-sizing: border-box;
}

.page-products *,
.page-products *::before,
.page-products *::after {
  box-sizing: inherit;
}

/* breadcrumb */
.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding: 1.2rem 0 0.5rem;
  font-size: 0.85rem;
  color: var(--page-breadcrumb-color);
  max-width: var(--page-max-width);
  margin: 0 auto;
}

.page-products .breadcrumb a {
  color: var(--page-color-blue);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: opacity var(--page-transition);
}
.page-products .breadcrumb a:hover {
  opacity: 0.65;
}

/* intro section */
.page-products__intro {
  padding: 0 1rem 2rem;
  max-width: var(--page-max-width);
  margin: 0 auto;
}
.page-products__intro-title {
  font-family: var(--page-font-heading);
  font-size: 2.2rem;
  line-height: 1.2;
  font-weight: bold;
  margin: 0 0 0.6rem;
  color: var(--page-color-blue);
}
.page-products__intro-desc {
  font-size: 1.05rem;
  line-height: 1.5;
  max-width: 640px;
}

/* filter bar */
.page-products__filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 0 1rem 2rem;
  max-width: var(--page-max-width);
  margin: 0 auto;
}
.page-products__filter-btn {
  cursor: pointer;
  border: none;
  padding: 0.5rem 1.2rem;
  border-radius: var(--page-radius);
  font-size: 0.95rem;
  font-weight: 500;
  background: var(--page-color-silver);
  color: var(--page-color-deep-gray);
  transition: all var(--page-transition);
}
.page-products__filter-btn[aria-pressed="true"],
.page-products__filter-btn.btn--primary {
  background: var(--page-color-red);
  color: white;
}
.page-products__filter-btn:hover:not([aria-pressed="true"]) {
  background: var(--page-color-warm-gray);
}

/* tools container */
.page-products__tools {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
}

/* card styling */
.page-products__card {
  background: white;
  border-radius: var(--page-radius);
  box-shadow: var(--page-shadow-sm);
  overflow: hidden;
  transition: transform var(--page-transition), box-shadow var(--page-transition);
  display: flex;
  flex-direction: column;
}
.page-products__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--page-shadow-md);
}
.page-products__card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.page-products__card-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--page-radius);
  display: block;
  margin-bottom: 0.5rem;
}
.page-products__card-img--small {
  max-width: 130px;
  margin-top: 0.5rem;
}
.page-products__card-img--wide {
  max-width: 100%;
  object-fit: contain;
}
.page-products .card__title {
  font-family: var(--page-font-heading);
  font-size: 1.8rem;
  font-weight: bold;
  margin: 0;
  color: var(--page-color-blue);
}
.page-products__card-desc {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--page-color-mid-gray);
}
.page-products__card-data {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}
.page-products__card-data .data-value {
  font-size: 1.4rem;
  font-weight: bold;
  color: var(--page-color-red);
}
.page-products__card-data .data-label {
  font-size: 0.85rem;
  color: var(--page-color-light-gray);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.page-products__card-action {
  margin-top: 0.5rem;
}
.page-products__card-toggle {
  cursor: pointer;
  background: var(--page-color-blue);
  color: white;
  border: none;
  padding: 0.55rem 1.4rem;
  border-radius: var(--page-radius);
  font-size: 0.9rem;
  font-weight: 500;
  transition: opacity var(--page-transition);
}
.page-products__card-toggle:hover {
  opacity: 0.75;
}

/* expandable detail */
.page-products__card-detail {
  background: var(--page-color-warm-gray);
  padding: 1.25rem 1.5rem 1.5rem;
  border-top: 1px solid var(--page-color-light-gray);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--page-color-deep-gray);
}
.page-products__card-detail:not([hidden]) {
  display: block;
}
.page-products__detail-list {
  margin: 0.75rem 0 0;
  padding-left: 1.2rem;
  list-style: disc;
}
.page-products__detail-list li {
  margin-bottom: 0.3rem;
}

/* footer cta */
.page-products__footer-cta {
  text-align: center;
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 1rem 1rem 2rem;
  font-size: 0.95rem;
  border-top: 1px solid var(--page-color-silver);
}
.page-products__footer-cta a {
  color: var(--page-color-blue);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: 500;
}

/* mobile first defaults */
@media (max-width: 480px) {
  .page-products__intro-title {
    font-size: 1.6rem;
  }
  .page-products__card-body {
    padding: 1rem;
  }
  .page-products__card {
    margin: 0 -0.5rem;
  }
  .page-products__card-img--small {
    max-width: 100px;
  }
}

/* tablet & up */
@media (min-width: 768px) {
  .page-products__tools {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-products__card {
    flex-direction: column;
  }
  .page-products__card-body {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1.2rem;
  }
  .page-products__card-img {
    width: 100%;
    flex: 1 1 100%;
  }
  .page-products__card-img--small {
    max-width: 150px;
    flex: 0 0 auto;
  }
  .page-products__card-img--wide {
    flex: 1 1 100%;
    max-width: 100%;
  }
  .page-products .card__title {
    width: 100%;
  }
  .page-products__card-desc,
  .page-products__card-data,
  .page-products__card-action {
    width: 100%;
  }
  .page-products .breadcrumb {
    font-size: 0.9rem;
  }
}

/* desktop */
@media (min-width: 1024px) {
  .page-products__tools {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-products__intro-title {
    font-size: 2.8rem;
  }
  .page-products__card-body {
    flex-direction: column;
    gap: 1rem;
  }
  .page-products__card-img {
    width: 100%;
    max-width: 100%;
  }
  .page-products__card-img--small {
    max-width: 180px;
  }
  .page-products__card-img--wide {
    max-width: 100%;
  }
}