/*  Общие стили */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Open Sans", sans-serif;
  background-color: #f5f5f5;
  color: #333;
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/*  Промо-блок */
.promo {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
  margin-top: 40px;
}

.promo-left,
.promo-center,
.promo-form {
  width: 100%;
}

.promo-left img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  object-fit: cover;
}

.promo-header h1 {
  font-size: 28px;
  margin-bottom: 10px;
}

.promo-header p {
  margin: 5px 0;
}

.promo-banner {
  background-color: #f0f0f0;
  padding: 15px 20px;
  border-left: 5px solid #007bff;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: bold;
}

.promo-banner .arrow {
  font-size: 24px;
  color: #007bff;
}

.promo-form {
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.promo-form input {
  width: 100%;
  padding: 10px;
  margin-bottom: 10px;
}

.promo-form button {
  background-color: #007bff;
  color: #fff;
  padding: 12px 20px;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  cursor: pointer;
}

.promo-form button:hover {
  background-color: #e53935;
}

.promo-header strong {
  color: #007bff;
  font-size: 20px;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.8;
  }
}

/* Блоки по центру */
.middle-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-top: 30px;
}

.middle-row section ul {
  list-style: none;
}

.middle-row section ul li {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.marker {
  width: 24px;
  height: 24px;
  background-color: #f0f0f0;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.dot {
  width: 8px;
  height: 8px;
  background-color: #007bff;
  border-radius: 50%;
}

.advantages li img {
  width: 24px;
  height: 24px;
}

.advantages ul {
  list-style: none;
  padding: 0;
}
.reviews {
  margin: 20px;
}
.reviews a {
  font-size: 14px;
  line-height: 1.5;
  color: #333;
  text-decoration: none;
  font-style: italic;
  transition: color 0.3s ease;
}

/* Стили при наведении */
.reviews a:hover {
  color: #007bff;
  text-decoration: underline;
}

/* Стили для посещенных ссылок */
.reviews a:visited {
  color: #666;
}
.advantages li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.advantages li:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.advantages li:active {
  transform: translateY(0);
  box-shadow: none;
}

.advantages li img {
  width: 24px;
  height: 24px;
  transition: transform 0.3s ease, filter 0.3s ease;
}

/* Эффект для иконок при наведении на весь элемент <li> */
.advantages li:hover img {
  transform: scale(1.2);
  filter: drop-shadow(0 0 8px #007bff);
}

.advantages li:active img {
  transform: scale(0.95);
  filter: brightness(0.8);
}

/* Секция специалистов */
.specialists {
  padding: 20px 0;
  width: 100%;
}

.carousel {
  display: flex;
  align-items: center;
  gap: 3px;
}

.carousel-container {
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.carousel-track {
  display: flex;
  gap: 15px;
  flex-wrap: nowrap;
}

.card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  flex-shrink: 0;
  width: 100%;
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  padding: 15px;
  text-align: center;
}

.card img {
  width: 100px;
  height: 100px;
  object-fit: cover;
  margin-bottom: 10px;
}

/* Адаптивность */

/* от 769px */
@media (min-width: 769px) {
  .promo {
    flex-direction: row;
    align-items: stretch;
  }

  .promo-left,
  .promo-center,
  .promo-form {
    width: 33.33%;
  }

  .middle-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .card {
    width: calc(50% - 10px);
  }

  .specialists {
    width: 50%;
  }

  .carousel-track {
    gap: 20px;
  }
}

/* от 1025px */
@media (min-width: 1025px) {
  .promo-left {
    width: 25%;
  }

  .promo-center,
  .promo-form {
    width: 37.5%;
  }

  .middle-row {
    grid-template-columns: repeat(3, 1fr);
  }

  .specialists {
    width: 30%;
  }

  .carousel-track {
    gap: 14px;
  }

  .card {
    width: calc(50% - 15px);
  }
}