body {
  margin: 0;
  padding: 0;
  font-family: sans-serif;
  background: #111;
  color: white;
}

/* ВИДЕО-БАННЕР */
.hero {
  position: relative;
  height: 100vh;
  overflow: hidden;
}

.bg-video {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  transform: translate(-50%, -50%);
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  text-shadow: 0 0 15px black;
  padding: 20 20px;
  background: rgba(0,0,0,0.25);
}

.hero-overlay h1 {
  font-size: 60px;
  margin: 0;
  color: #ADFF2F;
}

.hero-overlay b {
  font-size: 30px;
  margin-top: 20px;
  color: #ADFF2F;
}

/* БЛОКИ ЛАБОРАТОРИЙ */
.labs {
  display: flex;
  justify-content: center;
  gap: 40px;
  padding: 60px 20px;
  flex-wrap: wrap;
  background: #181818;
}

.lab {
  background: #222;
  padding: 30px;
  width: 300px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 0 15px rgba(0,0,0,0.3);
}

.lab h2 {
  margin-bottom: 20px;
}

.btn {
  display: block;
  margin: 10px 0;
  padding: 10px 15px;
  background: #333;
  text-decoration: none;
  color: white;
  border-radius: 8px;
  transition: 0.2s;
}

.btn:hover {
  background: #555;
}

/* СЕРВИСЫ */
.services {
  text-align: center;
  padding: 50px 20px;
}

.services-list {
  margin-top: 20px;
}

.service-btn {
  display: inline-block;
  margin: 10px 15px;
  padding: 12px 20px;
  background: #333;
  text-decoration: none;
  color: white;
  border-radius: 8px;
  transition: 0.2s;
}

.service-btn:hover {
  background: #555;
}

/* АДАПТИВ */
@media (max-width: 768px) {
  .hero-overlay h1 {
    font-size: 35px;
  }
  .hero-overlay b {
    font-size: 16px;
    padding: 0px 40px 120px;
  }
  .lab {
    width: 90%;
  }
}


.footer {
  background: #000;
  padding: 25px 20px;
  color: #ccc;

  display: flex;
  justify-content: space-between;
  align-items: center;

  font-size: 16px; /* ПК — крупнее */
}

.footer-left,
.footer-right {
  width: 50%;
  text-align: center;   /* ← центрируем как ты хотел */
}

/* Мобильный */
@media (max-width: 600px) {
  .footer {
    font-size: 14px;
    text-align: center;
    flex-direction: column;
    padding-left: 98px;
    padding-right: 98px;
  }
  .footer-left,
  .footer-right {
    width: 100%;
    margin-bottom: 10px;
  }
}


/* === Placeholder (заглушка) page === */

.placeholder-page {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;               /* чёткое центрирование */
    background: #f5f5f5;
    margin: 0;
    padding: 0;
}

.placeholder-container {
    text-align: center;
    max-width: 500px;
    width: 100%;
    padding: 20px;
}

.placeholder-container h1 {
    font-size: clamp(1.6rem, 2.5vw, 2.2rem);
    margin-bottom: 25px;
    color: #222;
    font-weight: 700;
}

.placeholder-image {
    width: 300px;
    height: auto;
    display: block;
    margin: 0 auto 25px auto;  /* идеально центрируем */
    opacity: 0.95;
}

.placeholder-btn {
    display: inline-block;
    background: #ffc400;
    padding: 14px 30px;
    border-radius: 10px;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;
    color: #000;
    transition: 0.2s ease-in-out;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.placeholder-btn:hover {
    background: #ffdd55;
    transform: translateY(-2px);
}