html,
body {
  height: 100%;
  margin: 0;
}

:root {
  --page-bg: #00171f;
  --text-main: #f8f7ff;
  --text-sub: #bfbfbf;
  --logo-opacity: 0.42;
  --logo-opacity-hover: 1;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  min-height: 100svh;
  min-height: 100dvh;
  background: var(--page-bg);
  color: var(--text-main);
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
}

.region-page {
  min-height: 100vh;
  min-height: 100svh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1.5rem, 4vw, 3rem);
}

.region-grid {
  width: min(1120px, 100%);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: center;
  justify-items: center;
  gap: clamp(1.5rem, 4vw, 4rem);
}

.region-card {
  width: min(100%, 320px);
  min-height: clamp(300px, 54vh, 520px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(1rem, 2vh, 1.5rem);
  padding: clamp(1rem, 2vw, 1.5rem);
  text-decoration: none;
  text-align: center;
  color: inherit;
}

.region-logo-wrap {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.region-logo {
  width: min(100%, 240px);
  max-height: 200px;
  object-fit: contain;
  display: block;
  opacity: var(--logo-opacity);
  filter: saturate(0.95);
  transform: scale(1);
  transform-origin: center center;
  transition: opacity 180ms ease, transform 180ms ease, filter 180ms ease;
}

.region-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  transition: transform 180ms ease;
}

.region-company,
.region-place {
  display: block;
  line-height: 1.15;
}

.region-company {
  font-size: clamp(1.25rem, 1rem + 1vw, 1.95rem);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.region-place {
  font-size: clamp(0.78rem, 0.72rem + 0.35vw, 0.98rem);
  font-weight: 500;
  color: var(--text-sub);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.region-card:hover .region-logo,
.region-card:focus-visible .region-logo {
  opacity: var(--logo-opacity-hover);
  filter: saturate(1);
  transform: scale(1.04);
}

.region-card:hover .region-label,
.region-card:focus-visible .region-label {
  transform: scale(1.06);
}

.region-card:hover .region-company,
.region-card:focus-visible .region-company {
  font-size: clamp(1.45rem, 1.1rem + 1.2vw, 2.2rem);
}

.region-card:focus-visible {
  outline: none;
}

@media (orientation: portrait), (max-width: 900px) {
  .region-grid {
    grid-template-columns: 1fr;
    width: min(460px, 100%);
    gap: clamp(1rem, 3vh, 2rem);
  }

  .region-card {
    min-height: auto;
    padding-block: 1.25rem;
  }

  .region-logo {
    width: min(100%, 220px);
    max-height: 160px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .region-logo,
  .region-label,
  .region-company {
    transition: none;
  }
}