:root {
  --c-male: #467fae;
  --c-male-hover: #355f82;
  --c-female: #d96b6b;
  --c-female-hover: #b8504f;
  --c-border: #d9d9d9;
  --w-content: 1000px;
  --transition: 0.25s ease;
}
button {
  font: inherit;
  cursor: pointer;
  background: none;
  border: 0;
  color: inherit;
}

/* ====================================================
   Filter buttons
   ==================================================== */
.filter {
  padding: 24px 16px;
}
.filter__inner {
  max-width: var(--w-content);
  margin: 0 auto;
}
.filter__group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.filter__group--male {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gray);
  margin-bottom: 16px;
}
.filter__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  height: 54px;
  border-radius: 8px;
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.02em;
  transition: background-color var(--transition), transform var(--transition),
    box-shadow var(--transition), opacity var(--transition);
}
.filter__btn:hover {
  opacity: 1;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}
.filter__btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.18);
}
.filter__btn--male {
  background: var(--c-male);
}
.filter__btn--male:hover {
  background: var(--c-male-hover);
}
.filter__btn--female {
  background: var(--c-female);
}
.filter__btn--female:hover {
  background: var(--c-female-hover);
}
.filter__btn span:first-child {
  flex: 1;
  text-align: center;
}
.filter__arrow {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  background: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition);
}
.filter__btn:hover .filter__arrow {
  transform: translate(4px, -50%);
}
.filter__arrow::after {
  content: "";
  width: 6px;
  height: 6px;
  border-right: 1.5px solid;
  border-bottom: 1.5px solid;
  transform: translateX(-1px) rotate(-45deg);
  margin-top: 2px;
}
.filter__btn--male .filter__arrow::after {
  color: var(--c-male);
}
.filter__btn--female .filter__arrow::after {
  color: var(--c-female);
}

/* ====================================================
   Case sections (Accordion)
   ==================================================== */
.cases {
  padding-bottom: 3.125rem;
}
.case-section {
  margin: 16px 0;
}
.case-section:last-of-type {
  margin-bottom: 0;
}
.case-section__title {
  margin: 0;
  font-size: 0; /* eliminate gap from line-break inside <h2> */
}
.case-section__toggle {
  width: 100%;
  position: relative;
  padding: 18px 56px 18px 16px;
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  text-align: center;
  display: block;
  transition: background-color var(--transition), filter var(--transition);
  font-family: inherit;
  line-height: 1.4;
}
.case-section--male .case-section__toggle {
  background: var(--c-male);
}
.case-section--male .case-section__toggle:hover {
  background: var(--c-male-hover);
}
.case-section--female .case-section__toggle {
  background: var(--c-female);
}
.case-section--female .case-section__toggle:hover {
  background: var(--c-female-hover);
}
.case-section__arrow {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%) rotate(90deg);
  width: 24px;
  height: 24px;
  background: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition);
}
.case-section__arrow::after {
  content: "";
  width: 6px;
  height: 6px;
  border-right: 1.5px solid;
  border-top: 1.5px solid;
  transform: translateX(-1px) rotate(45deg);
}
.case-section--male .case-section__arrow::after {
  color: var(--c-male);
}
.case-section--female .case-section__arrow::after {
  color: var(--c-female);
}
/* When accordion is open → arrow points up */
.case-section__toggle[aria-expanded="true"] .case-section__arrow {
  transform: translateY(-50%) rotate(-90deg);
}

/* Accordion panel: collapsed by default, animated with grid-template-rows */
.case-section__items {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s ease;
  overflow: hidden;
}
.case-section__items > * {
  min-height: 0; /* required for grid-row collapse to work */
}
.case-section__items-inner {
  overflow: hidden;
}
/* Single inner wrapper (we wrap children via JS or directly) — fallback also supports direct children */
.case-section__items.is-open {
  grid-template-rows: 1fr;
}
/* Pad the items only when open to avoid leaking padding while collapsed */
.case-section__items.is-open .case-section__items-inner {
  padding: 20px 16px 8px;
  display: grid;
  gap: 20px;
}

/* ----- Case card ----- */
.case-card {
  background: #fff;
  border-radius: 4px;
  box-shadow: 1px 1px 1.5px rgba(0, 0, 0, 0.18);
  padding: 24px 18px 22px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.case-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  transform: translateY(-2px);
}
.case-card__head {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--Text_Main);
  margin-bottom: 10px;
}
.case-card__clinic {
  background: var(--Back);
  color: var(--Text_Main);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: 0.08em;
  padding: 2px 20px;
  border-radius: 4px;
}
.case-card__patient {
  color: var(--Text_Main);
  font-weight: 500;
  font-size: 20px;
  letter-spacing: 0.08em;
}

.case-card__meta {
  display: grid;
  grid-template-columns: 86px 1fr;
  margin: 0;
  font-size: 12px;
}
.case-card__meta dt {
  font-weight: 700;
  color: var(--Text_Main);
  font-size: 16px;
  line-height: 1.2;
  display: flex;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--c-border);
}
.case-card__meta dd {
  margin: 0;
  padding: 12px 0;
  border-bottom: 1px solid var(--c-border);
  line-height: 1.55;
  color: var(--Text);
}
.case-card__meta dd:nth-of-type(1),
.case-card__price {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  font-size: 1rem;
}
.case-card__unit {
  font-size: 0.75em;
}
.case-card__num {
  font-size: 1rem;
}
.case-card__meta dt:last-of-type,
.case-card__meta dd:last-of-type {
  border-bottom: 0;
}
.case-card__price {
  font-size: 14px;
}

.case-card__photos {
  margin-top: 14px;
  background: var(--Back);
  border-radius: 6px;
  padding: 12px 8px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}
.case-card__photos figure {
  margin: 0;
  text-align: center;
}
.case-card__photos figcaption {
  font-size: 10px;
  margin-bottom: 4px;
}
.case-card__photo {
  width: 100%;
  aspect-ratio: 3 / 4;
  background: #e6ecf1;
  border-radius: 4px;
  overflow: hidden;
  transition: transform var(--transition);
}
.case-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease;
}
.case-card:hover .case-card__photo {
  transform: scale(1.02);
}
.case-card__photo:hover img {
  transform: scale(1.05);
}

/* ====================================================
   ============== Desktop (PC) Breakpoint =============
   ==================================================== */
@media (min-width: 1024px) {

  /* Filter */
  .filter {
    padding: 40px 24px;
  }
  .filter__inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }
  .filter__group {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .filter__group--male {
    padding: 0 32px 0 0;
    border-right: 1px solid var(--gray);
    border-bottom: 0;
    margin-bottom: 0;
  }
  .filter__btn {
    height: 63px;
    font-size: 17px;
  }

  /* Case sections */
  .case-section {
    max-width: var(--w-content);
    margin: 32px auto;
  }
  .case-section__toggle {
    font-size: 32px;
    padding: 22px 64px;
  }
  .case-section__items.is-open .case-section__items-inner {
    padding: 32px 0 16px;
    gap: 32px;
  }
  .case-card {
    display: grid;
    grid-template-columns: minmax(0, 364px) 1fr;
    grid-template-rows: auto auto;
    column-gap: 40px;
    padding: 36px 34px;
  }
  .case-card__head {
    grid-column: 1 / 2;
    grid-row: 1 / 2;
  }
  .case-card__meta {
    grid-column: 1 / 2;
    grid-row: 2 / 3;
    font-size: 14px;
  }
  .case-card__price {
    font-size: 16px;
  }
  .case-card__photos {
    grid-column: 2 / 3;
    grid-row: 1 / 3;
    padding: 16px 12px;
    gap: 10px;
    align-content: center;
    align-self: center;
    border-radius: 10px;
  }
  .case-card__photos figcaption {
    font-size: 14px;
    margin-bottom: 8px;
  }

}