.about-section {
  width: 100%;
  padding: 8rem 4rem;
}

.about-container {
  max-width: 80rem;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  gap: 5rem;
}

.about-video-wrapper {
  flex: 0 0 44%;
  max-width: 26rem;
  aspect-ratio: 3 / 5;
  border-radius: 1rem;
  overflow: hidden;
  border: 0.0625rem solid rgba(252, 163, 17, 0.2);
  box-shadow:
    0 0 2.5rem rgba(252, 163, 17, 0.12),
    0 0 0.75rem rgba(252, 163, 17, 0.08);
  position: sticky;
  top: 7.5rem;
}

.about-video-wrapper::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(20, 33, 61, 0.35) 0%,
    rgba(252, 163, 17, 0.08) 100%
  );
  pointer-events: none;
  border-radius: 1rem;
}

.about-video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 1rem;
  filter:
    brightness(0.82)
    contrast(1.08)
    saturate(0.9)
    sepia(0.12);
}

.about-text {
  flex: 1;
  min-width: 0;
}

.about-block {
  padding-bottom: 3.5rem;
  margin-bottom: 3.5rem;
  border-bottom: 0.0625rem solid rgba(255, 255, 255, 0.08);
}

.about-block:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: none;
}

.about-title {
  position: relative;
  font-size: var(--fs-display-lg);
  line-height: var(--lh-display-lg);
  letter-spacing: var(--ls-display-lg);
  color: var(--white);
  margin-bottom: 1rem;
}

.about-title::before {
  content: "";
  display: block;
  width: 3rem;
  height: 2px;
  background: var(--orange);
  margin-bottom: 1.5rem;
  opacity: 0.8;
}

.about-subtitle {
  font-size: var(--fs-h4);
  line-height: var(--lh-h4);
  letter-spacing: var(--ls-h4);
  color: var(--orange);
  margin-bottom: 0;
}

.about-description {
  font-size: 1.05rem;
  line-height: 2;
  font-weight: var(--fw-light);
  color: var(--alabaster-grey);
  letter-spacing: 0.02em;
}

.about-standards {
  padding-top: 0;
}

.about-standards-label {
  font-size: 0.75rem;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 1rem;
}

.about-standards-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem 1.5rem;
}

.about-standards-list li {
  font-size: 0.875rem;
  font-weight: var(--fw-light);
  color: var(--alabaster-grey);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.about-standards-list li i {
  color: var(--orange);
  font-size: 0.8rem;
  flex-shrink: 0;
  width: 1rem;
  text-align: center;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.5rem 0;
  border-bottom: 0.0625rem solid rgba(255, 255, 255, 0.08);
}

.about-feature:first-of-type {
  padding-top: 0;
}

.about-feature:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
}

.about-feature-icon {
  width: 2.75rem;
  height: 2.75rem;
  flex-shrink: 0;
  border-radius: 50%;
  background: rgba(252, 163, 17, 0.08);
  border: 0.0625rem solid rgba(252, 163, 17, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--orange);
  font-size: 0.9rem;
  margin-top: 0.1rem;
}

.about-feature-title {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: var(--fw-semibold);
  color: var(--white);
  margin-bottom: 0.35rem;
}

.about-feature-desc {
  font-size: 0.875rem;
  font-weight: var(--fw-light);
  color: rgba(229, 229, 229, 0.7);
  line-height: 1.7;
  margin: 0;
}

@media (max-width: 1024px) {
  .about-section {
    padding: 7rem 3rem;
  }

  .about-container {
    flex-direction: column;
    gap: 2.5rem;
  }

  .about-text {
    text-align: center;
    padding-bottom: 0;
  }

  .about-title::before {
    margin-left: auto;
    margin-right: auto;
  }

  .about-block {
    padding-bottom: 2.5rem;
    margin-bottom: 2.5rem;
  }

  .about-video-wrapper {
    position: relative;
    top: auto;
    flex: none;
    width: 100%;
    max-width: 38rem;
    aspect-ratio: 4 / 3;
    margin: 0 auto;
  }

  .about-standards-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.65rem 1.5rem;
  }

  .about-feature {
    text-align: left;
  }
}

@media (max-width: 912px) {
  .about-title {
    font-size: var(--fs-h1);
    line-height: var(--lh-h1);
    letter-spacing: var(--ls-h1);
  }

  .about-subtitle {
    font-size: var(--fs-h3);
    line-height: var(--lh-h3);
    letter-spacing: var(--ls-h3);
  }
}

@media (max-width: 900px) {
  .about-section {
    padding: 5rem 3rem;
  }
}

@media (max-width: 768px) {
  .about-section {
    padding: 4rem 2rem;
  }

  .about-video-wrapper {
    max-width: 34rem;
    aspect-ratio: 4 / 3;
  }

  .about-description {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .about-section {
    padding: 3.5rem 1.5rem;
  }

  .about-title {
    font-size: var(--fs-h2);
    line-height: var(--lh-h2);
    letter-spacing: var(--ls-h2);
  }

  .about-subtitle {
    font-size: var(--fs-h4);
    line-height: var(--lh-h4);
    letter-spacing: var(--ls-h4);
  }

  .about-description {
    font-size: 0.9rem;
  }

  .about-video-wrapper {
    max-width: 16rem;
  }
}

@media (max-width: 375px) {
  .about-section {
    padding: 3rem 1rem;
  }

  .about-video-wrapper {
    max-width: 14rem;
  }
}

@media (max-width: 320px) {
  .about-section {
    padding: 2.5rem 0.75rem;
  }

  .about-title {
    font-size: var(--fs-h3);
    line-height: var(--lh-h3);
    letter-spacing: var(--ls-h3);
  }

  .about-subtitle {
    font-size: var(--fs-h5);
    line-height: var(--lh-h5);
    letter-spacing: var(--ls-h5);
  }

  .about-video-wrapper {
    max-width: 12rem;
  }

  .about-description {
    font-size: 0.8rem;
  }

  .about-standards-list li {
    font-size: 0.8rem;
  }
}