body {
  background-color: #121212;
  color: #f5f5f5;
}

.hero {
  position: relative;
  background: url('img/back.jpg') center center/cover no-repeat;
  height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  z-index: 1;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 0;
}

.hero > .container {
  position: relative;
  z-index: 2;
}
.server-card {
  background-size: cover;
  background-position: center;
  height: 250px;
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: flex-end;
  box-shadow: 0 0 10px rgba(0,0,0,0.5);
  transition: transform 0.3s ease;
}
.server-card:hover {
  transform: scale(1.02);
}

.server-card .overlay {
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  padding: 20px;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.server-card h5 {
  margin-bottom: 10px;
}
.server-card code {
  color: #ffc107;
}
/* ► карточки статистики */
.stat-card {
  border-radius: 10px;
  box-shadow: 0 0 15px rgba(0,0,0,.4);
  transition: transform .3s ease;
}
.stat-card:hover {
  transform: translateY(-4px);
}