.precision-compounds {
  --precision-ivory: #f5f0e7;
  --precision-navy: #112b63;
  --precision-red: #a52c32;
  --precision-copy: #5f697a;
  --precision-muted: #969aa2;
  --precision-line: rgba(17, 43, 99, 0.22);
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: center;
  width: 100%;
  min-height: min(850px, 94vh);
  overflow: hidden;
  padding: clamp(5rem, 8vw, 8rem) clamp(1.25rem, 5vw, 5.5rem);
  background-color: var(--precision-ivory);
  background-image: url("../img/kuralife-precision-compounds-background-16x9.png");
  background-position: center right;
  background-repeat: no-repeat;
  background-size: cover;
}

.precision-compounds::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(245, 240, 231, 0.98) 0%, rgba(245, 240, 231, 0.94) 42%, rgba(245, 240, 231, 0.54) 63%, rgba(245, 240, 231, 0.08) 82%);
}

.precision-compounds__inner {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
}

.precision-compounds__header,
.precision-compounds__explorer {
  width: min(100%, 850px);
}

.precision-compounds__eyebrow,
.precision-compounds__selector-heading p,
.precision-compounds__specifications dt {
  color: var(--precision-navy);
  font-family: "DM Sans", sans-serif;
  text-transform: uppercase;
}

.precision-compounds__eyebrow {
  margin: 0 0 1.15rem;
  font-size: 0.74rem;
  font-weight: 650;
  letter-spacing: 0.27em;
}

.precision-compounds__headline {
  margin: 0;
  color: var(--precision-navy);
  font-family: "Times New Roman", Times, serif;
  font-size: clamp(3.5rem, 6.25vw, 6.75rem);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.94;
}

.precision-compounds__headline em {
  color: var(--precision-red);
  font-weight: 400;
}

.precision-compounds__intro {
  max-width: 760px;
  margin: clamp(1.5rem, 2.6vw, 2.25rem) 0 0;
  color: var(--precision-copy);
  font-family: "DM Sans", sans-serif;
  font-size: clamp(0.95rem, 1.08vw, 1.06rem);
  line-height: 1.58;
}

.precision-compounds__intro p {
  margin: 0;
}

.precision-compounds__intro p + p {
  margin-top: 0.85rem;
}

.precision-compounds__explorer {
  margin-top: clamp(2.6rem, 4.4vw, 4rem);
}

.precision-compounds__selector-heading {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
  margin-bottom: 0.35rem;
}

.precision-compounds__selector-heading p {
  margin: 0;
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0.2em;
}

.precision-compounds__counter {
  white-space: nowrap;
}

.precision-compounds__selector-row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 44px;
  align-items: end;
}

.precision-compounds__tabs {
  display: flex;
  justify-content: flex-start;
  gap: clamp(1.25rem, 2.2vw, 2.25rem);
  min-width: 0;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  border-bottom: 1px solid var(--precision-line);
  scrollbar-width: none;
}

.precision-compounds__tabs::-webkit-scrollbar {
  display: none;
}

.precision-compounds__tab,
.precision-compounds__arrow {
  appearance: none;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.precision-compounds__tab {
  position: relative;
  flex: 0 0 clamp(145px, 18vw, 190px);
  min-height: 78px;
  padding: 1.1rem 0 0.85rem;
  color: var(--precision-muted);
  font-family: "Times New Roman", Times, serif;
  font-size: clamp(0.88rem, 1.15vw, 1.05rem);
  font-weight: 400;
  line-height: 1.18;
  text-align: center;
  transition: color 210ms ease;
}

.precision-compounds__tab:first-child {
  padding-left: 0;
}

.precision-compounds__tab:last-child {
  padding-right: 0;
}

.precision-compounds__tab::before,
.precision-compounds__tab::after {
  content: "";
  position: absolute;
  left: 50%;
  background: var(--precision-red);
  opacity: 0;
  transform: translateX(-50%);
  transition: opacity 210ms ease;
}

.precision-compounds__tab::before {
  top: 0.3rem;
  width: 5px;
  height: 5px;
  border-radius: 50%;
}

.precision-compounds__tab::after {
  bottom: -1px;
  width: 32px;
  height: 2px;
}

.precision-compounds__tab:hover,
.precision-compounds__tab[aria-selected="true"] {
  color: var(--precision-navy);
}

.precision-compounds__tab[aria-selected="true"]::before,
.precision-compounds__tab[aria-selected="true"]::after {
  opacity: 1;
}

.precision-compounds__arrow {
  display: grid;
  place-items: center;
  width: 44px;
  height: 78px;
  color: var(--precision-navy);
  font-size: 1.15rem;
  opacity: 0.7;
}

.precision-compounds__arrow:hover {
  opacity: 1;
}

.precision-compounds__tab:focus-visible,
.precision-compounds__arrow:focus-visible,
.precision-compounds__panel:focus-visible {
  outline: 1px solid var(--precision-red);
  outline-offset: 4px;
}

.precision-compounds__panel {
  min-height: 430px;
  padding: clamp(2rem, 3.5vw, 3rem) 44px 0;
  outline: none;
}

.precision-compounds__panel-content {
  transition: opacity 210ms ease, transform 210ms ease;
}

.precision-compounds__panel-content.is-changing {
  opacity: 0;
  transform: translateY(4px);
}

.precision-compounds__panel h3 {
  margin: 0;
  color: var(--precision-navy);
  font-family: "Times New Roman", Times, serif;
  max-width: 800px;
  font-size: clamp(2.75rem, 4.4vw, 4.6rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.95;
}

.precision-compounds__fraction {
  margin: 0.8rem 0 0;
  color: var(--precision-navy);
  font-family: "Times New Roman", Times, serif;
  font-size: clamp(1.05rem, 1.55vw, 1.3rem);
  line-height: 1.35;
}

.precision-compounds__title-rule {
  display: block;
  width: 52px;
  height: 2px;
  margin: 1rem 0 1.25rem;
  background: var(--precision-red);
}

.precision-compounds__formula-label {
  margin: 0 0 0.65rem;
  color: var(--precision-navy);
  font-family: "DM Sans", sans-serif;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  line-height: 1.4;
  text-transform: uppercase;
}

.precision-compounds__description {
  max-width: 750px;
  margin: 0;
  color: var(--precision-copy);
  font-family: "DM Sans", sans-serif;
  font-size: clamp(0.95rem, 1.15vw, 1.06rem);
  line-height: 1.65;
}

.precision-compounds__description p {
  margin: 0;
}

.precision-compounds__description p + p {
  margin-top: 0.65rem;
}

.precision-compounds__description strong {
  color: var(--precision-navy);
  font-weight: 650;
}

.precision-compounds__specifications {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 2rem 0 0;
  padding: 0;
}

.precision-compounds__specifications > div {
  min-width: 0;
  padding: 0 clamp(1rem, 2.2vw, 2rem);
}

.precision-compounds__specifications > div:first-child {
  padding-left: 0;
}

.precision-compounds__specifications > div + div {
  border-left: 1px solid var(--precision-line);
}

.precision-compounds__specifications dt {
  margin: 0 0 0.55rem;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  line-height: 1.4;
}

.precision-compounds__specifications dd {
  margin: 0;
  color: var(--precision-copy);
  font-family: "DM Sans", sans-serif;
  font-size: 0.9rem;
  line-height: 1.5;
}

@media (max-width: 991px) {
  .precision-compounds {
    min-height: auto;
    background-position: 64% center;
  }

  .precision-compounds::before {
    background: linear-gradient(90deg, rgba(245, 240, 231, 0.99) 0%, rgba(245, 240, 231, 0.96) 58%, rgba(245, 240, 231, 0.75) 100%);
  }

  .precision-compounds__header,
  .precision-compounds__explorer {
    width: 100%;
  }

  .precision-compounds__selector-row {
    display: block;
  }

  .precision-compounds__arrow {
    display: none;
  }

  .precision-compounds__tabs {
    justify-content: flex-start;
    gap: clamp(1.4rem, 4vw, 2.5rem);
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scrollbar-width: none;
  }

  .precision-compounds__tabs::-webkit-scrollbar {
    display: none;
  }

  .precision-compounds__tab {
    flex: 0 0 auto;
    min-height: 78px;
    padding-inline: 0;
  }

  .precision-compounds__panel {
    padding-inline: 0;
  }
}

@media (max-width: 767px) {
  .precision-compounds {
    padding-block: 4.5rem;
    background-position: 72% bottom;
  }

  .precision-compounds::before {
    background: linear-gradient(180deg, rgba(245, 240, 231, 0.99) 0%, rgba(245, 240, 231, 0.97) 66%, rgba(245, 240, 231, 0.78) 100%);
  }

  .precision-compounds__headline {
    font-size: clamp(3rem, 13vw, 4.4rem);
  }

  .precision-compounds__intro {
    line-height: 1.58;
  }

  .precision-compounds__selector-heading p {
    max-width: 70%;
    line-height: 1.45;
  }

  .precision-compounds__panel {
    min-height: 450px;
    padding-top: 2.25rem;
  }

  .precision-compounds__description {
    min-height: 0;
  }

  .precision-compounds__specifications {
    grid-template-columns: 1fr;
    margin-top: 1.6rem;
  }

  .precision-compounds__specifications > div,
  .precision-compounds__specifications > div:first-child {
    padding: 1rem 0;
  }

  .precision-compounds__specifications > div:first-child {
    padding-top: 0;
  }

  .precision-compounds__specifications > div + div {
    border-top: 1px solid var(--precision-line);
    border-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .precision-compounds__tab,
  .precision-compounds__tab::before,
  .precision-compounds__tab::after,
  .precision-compounds__panel-content {
    transition: none;
  }
}