.oh-home-knowledge {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 118px 40px !important;
  color: var(--oh-ink);
  background:
    radial-gradient(circle at 88% 12%, rgba(185, 138, 67, 0.13), transparent 28%),
    linear-gradient(145deg, #f7f5ef 0%, #efede7 100%) !important;
  scroll-margin-top: 112px;
}

.oh-home-knowledge::before {
  position: absolute;
  z-index: -1;
  top: -105px;
  right: -60px;
  width: 470px;
  height: 470px;
  content: "";
  opacity: 0.035;
  background: url("../brand/optimalhome-mark-ink.svg") center / contain no-repeat;
  transform: rotate(9deg);
}

.oh-home-knowledge::after {
  position: absolute;
  z-index: -1;
  right: 0;
  bottom: 0;
  width: 42%;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, var(--oh-gold));
}

.oh-home-knowledge__shell {
  width: min(100%, 1185px);
  margin-inline: auto;
}

.oh-home-knowledge__intro {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(330px, 0.8fr);
  gap: 64px;
  align-items: end;
  margin-bottom: 56px;
}

.oh-home-knowledge__kicker,
.oh-home-knowledge__faq-head > p {
  margin: 0 0 20px;
  color: var(--oh-copper);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.4;
  text-transform: uppercase;
}

.oh-home-knowledge h2 {
  max-width: 780px;
  margin: 0;
  color: var(--oh-ink);
  font-size: clamp(44px, 4.5vw, 66px);
  line-height: 0.98;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.oh-home-knowledge h2 span {
  color: var(--oh-copper);
}

.oh-home-knowledge__lead {
  padding: 28px 0 4px 30px;
  border-left: 1px solid rgba(18, 23, 28, 0.2);
}

.oh-home-knowledge__lead > p {
  margin: 0 0 24px;
  color: var(--oh-muted);
  font-size: 17px;
  line-height: 1.7;
}

.oh-home-knowledge__all,
.oh-home-knowledge__faq > a {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  color: var(--oh-ink);
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}

.oh-home-knowledge__all span,
.oh-home-knowledge__faq > a span {
  color: var(--oh-copper);
  font-size: 18px;
  transition: transform 240ms ease;
}

.oh-home-knowledge__all:hover span,
.oh-home-knowledge__all:focus-visible span,
.oh-home-knowledge__faq > a:hover span,
.oh-home-knowledge__faq > a:focus-visible span {
  transform: translate(3px, -2px);
}

.oh-home-knowledge__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.42fr) minmax(330px, 0.78fr);
  gap: 28px;
  align-items: stretch;
}

.oh-home-knowledge__library {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.oh-home-knowledge__guide {
  min-width: 0;
  border: 1px solid rgba(18, 23, 28, 0.1);
  border-top: 3px solid var(--oh-gold);
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.56);
  box-shadow:
    16px 18px 34px rgba(27, 25, 20, 0.08),
    -10px -10px 26px rgba(255, 255, 255, 0.74);
  transition: transform 260ms ease, box-shadow 260ms ease, border-color 260ms ease;
}

.oh-home-knowledge__guide--lead {
  grid-column: 1 / -1;
  color: var(--oh-white);
  border-color: rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at 92% 15%, rgba(214, 173, 98, 0.19), transparent 32%),
    linear-gradient(135deg, #1b2228 0%, #11171c 100%);
  box-shadow: 20px 24px 50px rgba(18, 23, 28, 0.2);
}

.oh-home-knowledge__guide:hover,
.oh-home-knowledge__guide:focus-within {
  z-index: 1;
  border-color: rgba(185, 138, 67, 0.5);
  box-shadow: 20px 24px 48px rgba(27, 25, 20, 0.14);
  transform: translateY(-5px);
}

.oh-home-knowledge__guide > a {
  position: relative;
  display: flex;
  min-height: 100%;
  padding: 30px;
  color: inherit;
  flex-direction: column;
  text-decoration: none;
}

.oh-home-knowledge__guide--lead > a {
  min-height: 310px;
  padding: 36px 38px;
}

.oh-home-knowledge__guide-meta {
  display: flex;
  gap: 18px;
  align-items: center;
  margin-bottom: 36px;
}

.oh-home-knowledge__guide-meta > span {
  color: var(--oh-copper);
  font-size: 28px;
  font-weight: 800;
  line-height: 1;
}

.oh-home-knowledge__guide--lead .oh-home-knowledge__guide-meta > span {
  color: var(--oh-gold);
}

.oh-home-knowledge__guide-meta small {
  color: var(--oh-muted);
  font-size: 11px;
  font-weight: 800;
  line-height: 1.4;
  text-transform: uppercase;
}

.oh-home-knowledge__guide--lead .oh-home-knowledge__guide-meta small {
  color: rgba(255, 255, 255, 0.58);
}

.oh-home-knowledge__guide h3 {
  max-width: 680px;
  margin: 0 0 18px;
  color: inherit;
  font-size: 27px;
  line-height: 1.13;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.oh-home-knowledge__guide--lead h3 {
  max-width: 610px;
  font-size: 39px;
}

.oh-home-knowledge__guide p {
  margin: 0 0 28px;
  color: var(--oh-muted);
  font-size: 15px;
  line-height: 1.67;
}

.oh-home-knowledge__guide--lead p {
  max-width: 680px;
  color: rgba(255, 255, 255, 0.68);
}

.oh-home-knowledge__guide strong {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  margin-top: auto;
  color: var(--oh-copper);
  font-size: 13px;
}

.oh-home-knowledge__guide--lead strong {
  color: var(--oh-gold);
}

.oh-home-knowledge__faq {
  position: relative;
  overflow: hidden;
  padding: 36px 34px;
  color: var(--oh-white);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 3px;
  background: #171b1f;
  box-shadow: 20px 24px 46px rgba(18, 23, 28, 0.2);
}

.oh-home-knowledge__faq::after {
  position: absolute;
  right: -52px;
  bottom: -58px;
  width: 210px;
  height: 210px;
  content: "";
  opacity: 0.04;
  background: url("../brand/optimalhome-mark-white.svg") center / contain no-repeat;
  transform: rotate(-10deg);
}

.oh-home-knowledge__faq-head {
  position: relative;
  z-index: 1;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.oh-home-knowledge__faq-head > p {
  color: var(--oh-gold);
}

.oh-home-knowledge__faq h3 {
  margin: 0;
  color: var(--oh-white);
  font-size: 29px;
  line-height: 1.12;
  letter-spacing: -0.025em;
}

.oh-home-knowledge__faq-list {
  position: relative;
  z-index: 1;
}

.oh-home-knowledge__faq-list article {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 14px;
  padding: 24px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.oh-home-knowledge__faq-list article > span {
  color: var(--oh-gold);
  font-size: 12px;
  font-weight: 800;
}

.oh-home-knowledge__faq h4 {
  margin: 0 0 8px;
  color: var(--oh-white);
  font-size: 17px;
  line-height: 1.3;
}

.oh-home-knowledge__faq-list p {
  margin: 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
  line-height: 1.58;
}

.oh-home-knowledge__faq > a {
  position: relative;
  z-index: 1;
  margin-top: 28px;
  color: var(--oh-white);
}

@media (max-width: 960px) {
  .oh-home-knowledge {
    padding: 88px 28px !important;
  }

  .oh-home-knowledge__intro,
  .oh-home-knowledge__layout {
    grid-template-columns: 1fr;
  }

  .oh-home-knowledge__intro {
    gap: 30px;
  }

  .oh-home-knowledge__lead {
    max-width: 720px;
  }

  .oh-home-knowledge__faq {
    padding: 38px;
  }
}

@media (max-width: 620px) {
  .oh-home-knowledge {
    padding: 74px 20px !important;
  }

  .oh-home-knowledge::before {
    width: 280px;
    height: 280px;
  }

  .oh-home-knowledge__intro {
    margin-bottom: 38px;
  }

  .oh-home-knowledge h2 {
    font-size: 38px;
    line-height: 1.02;
  }

  .oh-home-knowledge__lead {
    padding: 22px 0 0 20px;
  }

  .oh-home-knowledge__lead > p {
    font-size: 15px;
  }

  .oh-home-knowledge__library {
    grid-template-columns: 1fr;
  }

  .oh-home-knowledge__guide--lead {
    grid-column: auto;
  }

  .oh-home-knowledge__guide > a,
  .oh-home-knowledge__guide--lead > a {
    min-height: 0;
    padding: 28px 24px;
  }

  .oh-home-knowledge__guide--lead h3,
  .oh-home-knowledge__guide h3 {
    font-size: 27px;
  }

  .oh-home-knowledge__guide-meta {
    margin-bottom: 26px;
  }

  .oh-home-knowledge__faq {
    padding: 30px 24px;
  }

  .oh-home-knowledge__faq h3 {
    font-size: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .oh-home-knowledge__guide,
  .oh-home-knowledge__all span,
  .oh-home-knowledge__faq > a span {
    transition: none;
  }
}