:root{
  --maxw: 760px;
  --gap: 16px;
  --radius: 16px;
  --border: rgba(0,0,0,.10);
  --text: #111;
}

/* базовый цвет текста */
.bchy{ color: var(--text); }

/* HERO */
.bchy-hero{
  position: relative;
  overflow: hidden;
  background: #111;

  height: 50vh;
  height: 50svh;
  min-height: 320px;
  max-height: 640px;
}

.bchy-hero__media{
  position: absolute;
  inset: 0;
  margin: 0;
  pointer-events: none;
  z-index: 0;
}

.bchy-hero__media img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(.72);
  transform: scale(1.02);
}

/* текст поверх */
.bchy-hero__header{
  position: relative;
  z-index: 1;
  width: min(var(--maxw), 100% - 32px);
  margin: 0 auto;
  height: 100%;

  display: grid;
  place-content: center;
  justify-items: center;
  text-align: center;
  gap: 14px;

  padding: 28px 0;
}

.bchy-hero__title{
  margin: 0;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.05;
  color: #fff;
}

.bchy-hero__desc{
  margin: 0;
  max-width: 56ch;
  color: rgba(255,255,255,.86);
  font-size: clamp(13px, 1.6vw, 15px);
  line-height: 1.45;
}

/* breadcrumbs */
.bchy-bc{
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  color: rgba(255,255,255,.86);
  font-size: 14px;
}

.bchy-bc__link{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: inherit;
  text-decoration: none;
}

.bchy-bc__link:hover{ text-decoration: underline; }

.bchy-bc__icon svg,
.bchy-bc__sep svg{ fill: rgba(255,255,255,.86); }

.bchy-bc__current{
  color: rgba(255,255,255,.95);
  font-weight: 600;
}

/* POST */
.bchy-post{
  width: min(var(--maxw), 100% - 32px);
  margin: 0 auto;
  padding: 26px 0 44px;
}

/* TEXT */
.bchy-text{
  width: min(var(--maxw), 100% - 32px);
  margin: 0 auto;
  padding: 10px 0 0;
}

.bchy-text__title{
  margin: 18px 0 12px;
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 700;
  line-height: 1.2;
}

.bchy-list{
  margin: 0;
  padding: 0;
  list-style: none;

  display: grid;
  gap: 10px;
}

.bchy-list li{
  position: relative;
  padding-left: 22px;

  font-size: clamp(14px, 1.4vw, 16px);
  line-height: 1.65;
  color: rgba(0,0,0,.82);
}

.bchy-list li::before{
  content: "•";
  position: absolute;
  left: 0;
  top: 0.15em;
  font-size: 22px;
  line-height: 1;
  color: rgba(0,0,0,.75);
}

/* STACK */
.bchy-stack{
  width: min(var(--maxw), 100% - 32px);
  margin: 22px auto 0;

  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.bchy-stack__item{
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: #f5f5f5;
  aspect-ratio: 4 / 3;
}

.bchy-stack__item img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* mobile */
@media (max-width: 720px){
  .bchy-hero{
    height: 34vh;
    height: 34svh;
    min-height: 240px;
    max-height: 360px;
  }
}

@media (max-width: 600px){
  .bchy-text{ width: calc(100% - 24px); }
  .bchy-list{ gap: 8px; }
  .bchy-list li{ padding-left: 20px; line-height: 1.6; }
}