.promo-block {
  width: 100%;
  padding: 30px 20px;
  border-radius: 20px;
  border: 2px dashed #fff;
  background: linear-gradient(to right, rgba(20,40,60,0.9), rgba(20,30,50,0.9));
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  text-align: center;
  transition: background-color 0.3s, border-color 0.3s;
}

.promo-block h2 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: #fff;
}

.promo-block h3 {
  font-size: 0.9em;
  color: #fff;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
  margin-bottom: 24px;
}

.promo-block h5,
.promo-block h6 {
  color: #fff;
  font-size: 0.9em;
  text-decoration: none;
  padding: 0.3rem 0;
  margin: 0;
}

.promo-block h5 {
  font-size: 0.5em;
}

.promo-block h5 a {
  color: #fff;
  text-decoration: none;
}

.promo-block .card-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  padding: 0;
  margin: 0;
}

.promo-block .card-list li {
  flex: 1 1 280px;
  max-width: 320px;
  border: 1px solid #fff;
  border-radius: 12px;
  padding: 0.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(8px);
  cursor: pointer;
  transition: transform 0.3s ease, background 0.3s ease;
}

.promo-block .card-list li:hover {
  transform: scale(1.03);
  background: linear-gradient(135deg, #2196F3, #00f2fe);
}

.promo-block .card img {
  max-width: 80px;
  margin-bottom: 1rem;
  filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.4));
}

.promo-block .card-front {
  font-size: 32px;
}

.promo-block .card-back span {
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
}

.section-heading h2 {
  font-size: 2rem;
  color: #fff;
  margin: 0;
}

.section-heading p {
  color: #cfd8dc;
  margin: 0;
}

.testimonial-list {
  list-style: none;
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  gap: 20px;
  padding: 10px 0;
  margin: 30px 0 10px;
  max-width: 100%;
  scrollbar-width: none; /* Firefox */
}

.testimonial-list::-webkit-scrollbar {
  display: none; /* Chrome, Safari */
}

.testimonial-list li {
  flex: 0 0 auto;
  max-width: 320px;
  scroll-snap-align: start;
}

.testimonial-card {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  padding: 14px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
  height: 100%;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.testimonial-card h5 {
  font-size: 1.1rem;
  margin: 0 0 10px 0;
  color: #fff;
  text-align: left;
}

.testimonial-card p {
  font-size: 0.8rem;
  color: #dfefff;
  text-align: left;
  margin: 0 0 10px 0;
  flex-grow: 1;
}

.testimonial-card ul.stars {
  list-style: none;
  display: flex;
  justify-content: flex-start;
  gap: 5px;
  padding: 0;
  margin: 0 0 10px 0;
  color: #ffc107;
  font-size: 1.1rem;
  width: 160px;
  max-width: 100%;
}

.testimonial-card ul.stars li {
  margin: 0;
  padding: 0;
  flex-shrink: 0;
}

.testimonial-card .author {
  margin-top: 15px;
  font-size: 0.9rem;
  color: #b0bec5;
  text-align: left;
}

.testimonial-wrapper {
  position: relative;
}

.scroll-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: white;
  border: 1px solid #ccc;
  border-radius: 50%;
  font-size: 1.5rem;
  width: 36px;
  height: 36px;
  cursor: pointer;
  z-index: 10;
  display: none;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.15);
  padding: 0;
  user-select: none;

  display: flex;
  align-items: center;
  justify-content: center;
  line-height: normal;
  text-align: center;
}

.scroll-btn.left {
  left: 5px;
}

.scroll-btn.right {
  right: 5px;
}

.tabs {
  max-width: 100%;
  margin: 2rem auto;
  font-family: Arial, sans-serif;
  color: #ffffff;
}

/* Кнопки табов */
.tab-buttons {
  display: flex;
  gap: 8px;
  margin-bottom: 1rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.tab-buttons::-webkit-scrollbar {
  display: none;
}

.tab-buttons button {
  flex: 1 0 auto;
  border: none;
  padding: 0.75rem 1rem;
  font-weight: bold;
  cursor: pointer;
  border-radius: 8px 8px 0 0;
  transition: background-color 0.3s, border-color 0.3s;
  background: linear-gradient(to right, rgba(20,40,60,0.9), rgba(20,30,50,0.9));
  color: #ffffff;
  user-select: none;
}

.tab-buttons button:hover {
  background: #b2dfdb;
}

.tab-buttons button.active {
  border: 2px dashed white;
  background: linear-gradient(to right, rgba(20,40,60,0.9), rgba(20,30,50,0.9));
  font-weight: 900;
  color: #ffffff;
}

/* Контент табов */
.tab-content {
  background: linear-gradient(to right, rgba(20,40,60,0.9), rgba(20,30,50,0.9));
  padding: 30px 20px;
  margin: -10px 0 40px 0;
  border-radius: 20px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  border: 2px dashed #fff;
  color: #ffffff;
  transition: background-color 0.3s, border-color 0.3s;
  animation: fadeInTab 0.3s ease forwards;
}

/* Списки с двумя колонками */
.tab-content ul {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 30px;
  padding: 0;
  margin: 0.5rem 0 0 0;
  list-style: none;
  color: #cfd8dc;
  font-size: 1rem;
}

.tab-content ul li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  line-height: 1.4;
}

.tab-content ul li .icon {
  font-size: 24px;
  margin-right: 10px;
  user-select: none;
}

/* Иконка в заголовке таба */
.tab-icon {
  vertical-align: middle;
  margin-right: 8px;
  width: 24px;
  height: 24px;
  color: #ffffff;
  transition: background-color 0.3s, border-color 0.3s;
}

@keyframes fadeInTab {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Адаптив для мобильных */
@media (max-width: 480px) {
  .tab-buttons {
    gap: 10px;
    justify-content: flex-start;
  }

  .tab-buttons button {
    flex: 0 0 auto;
    padding: 8px 14px;
    font-size: 0.9rem;
  }

  .tab-content ul {
    grid-template-columns: 1fr;
  }
}

/* Стили для иконок внутри списка фич (иконка над текстом) */
.feature-list {
  list-style: none;
  padding-left: 0;
  margin: 1rem 0 0 0;
  width: 100%;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
  color: #cfd8dc;
  font-size: 1rem;
}

.feature-list li {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  padding: 20px 16px;
  box-shadow: 0 0 12px 0 #00f2fe22;
  transition: transform 0.2s ease, box-shadow 0.3s ease;
}

.feature-list li:hover {
  transform: translateY(-4px);
  box-shadow: 0 0 20px 4px #00f2fe44;
}

.feature-list li .icon {
  font-size: 36px;
  margin-bottom: 12px;
  filter: drop-shadow(0 0 3px #00f2fe88);
  user-select: none;
}

.feature-list li span {
  display: block;
  line-height: 1.4;
}

.feature-list li span small {
  display: block;
  font-size: 0.9rem;
  margin-top: 6px;
  color: #b0bec5;
}