body {
  background: #1c1c1c;
  color: #fff;
}

#bannerSection,
#featuresSection,
#promoSection,
#installationSection {
  background: #1c1c1c;
}

#installationSection .subtitle-default {
  max-width: 860px;
  margin: 0 auto;
}

#installationSection .primary_highlighted {
  display: inline-block;
  padding: 0 8px;
  border-radius: 999px;
  background: rgba(63, 216, 110, 0.14);
}

.installation-steps {
  counter-reset: tv-step;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.installation-steps > li {
  position: relative;
  padding: 4px 8px 6px 44px;
  display: flex;
  align-items: center;
  gap: 2px;
  min-height: 66px;
}

.installation-steps > li::before {
  counter-increment: tv-step;
  content: counter(tv-step);
  position: absolute;
  left: 14px;
  top: 12px;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(63, 216, 110, 0.2);
  color: #8bffaf;
  font-size: 11px;
  font-weight: 700;
}

.installation-steps .features-list__img-container {
  width: 40px;
  min-width: 40px;
  height: 40px;
  margin-top: 4px;
}

.installation-steps .features-list__item-description {
  text-align: left;
  font-size: 15px;
  line-height: 1.25;
}

.countdown-top-container .countdown-timer {
  font-size: clamp(36px, 7vw, 54px);
  line-height: 1;
  font-weight: 700;
  letter-spacing: 0.03em;
  display: inline-block;
  margin-top: 8px;
}

.countdown-top-container .countdown-text {
  display: block;
  font-size: 14px;
  opacity: 0.85;
}

.tv-hidden-timer {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

#bannerSection .button-primary,
#installationSection .button-primary,
#reviewsSection .button-primary {
  min-width: 190px;
  height: 58px;
  border-radius: 999px;
  background: linear-gradient(120deg, #79ff9f, #53fb83 65%, #32f76e);
  color: #0f1712;
  border: 1px solid rgba(137, 255, 175, 0.65);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
  padding: 6px 18px;
  box-shadow: 0 10px 24px rgba(50, 247, 110, 0.28);
  font-weight: 700;
  color: #0f1712;
}

#bannerSection .button-primary:hover,
#installationSection .button-primary:hover,
#reviewsSection .button-primary:hover {
  transform: translateY(-2px);
  opacity: 0.96;
  box-shadow: 0 14px 28px rgba(50, 247, 110, 0.34);
}

.footer {
  background: #1c1c1c;
  padding: 56px 0;
  margin-top: 8px;
}

.footer .container {
  max-width: 1160px;
  width: 100%;
  padding: 0 24px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  color: #fff;
  text-align: center;
}

.footer__img {
  width: 108px;
  height: 108px;
  display: block;
}

.footer__title {
  font-size: 30px;
  font-weight: 700;
  margin-top: 14px;
  margin-bottom: 10px;
  color: #fff;
}

.footer__subtitle {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 10px;
  color: rgba(255, 255, 255, 0.78);
}

.footer__link-text {
  font-size: 17px;
  color: #fff;
  text-decoration: none;
  line-height: 1.55;
  opacity: 0.95;
}

.footer__links {
  margin-top: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.footer__link {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.4;
  text-decoration: none;
  padding: 6px 0;
}

.footer__requisites {
  font-weight: 300;
  font-size: 14px;
  text-align: center;
  line-height: 1.7;
  margin-top: 16px;
  opacity: 0.7;
}

.footer__company-link {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
}

@media screen and (max-width: 768px) {
  .installation-steps {
    grid-template-columns: 1fr;
  }

  .installation-steps > li {
    min-height: 62px;
  }

  .installation-steps .features-list__item-description {
    font-size: 14px;
  }

  .footer .container {
    padding: 0 18px;
  }
}