.extension-promo {
  background:
    radial-gradient(680px 420px at 82% 50%, rgba(168, 85, 247, .18), transparent 68%),
    linear-gradient(145deg, #0c0812, #15101f);
  border-block: 1px solid rgba(192, 132, 252, .18);
}

.section-cta h2 {
  color: #09070f !important;
}

.extension-promo-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, .75fr);
  gap: clamp(3rem, 7vw, 6rem);
  align-items: center;
}

.extension-copy h2 {
  max-width: 800px;
  margin: 0;
  color: #faf7ff !important;
  font-size: clamp(2rem, 3.4vw, 3.25rem);
  line-height: 1.06;
  letter-spacing: -.045em;
}

.extension-copy > p:not(.eyebrow):not(.extension-note) {
  max-width: 740px;
  margin: 24px 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.extension-feature-list {
  display: grid;
  gap: .65rem;
  margin: 0 0 30px;
  padding: 0;
  list-style: none;
}

.extension-feature-list li {
  position: relative;
  padding-left: 1.8rem;
  color: #eee6f6;
}

.extension-feature-list li::before {
  position: absolute;
  left: 0;
  color: var(--purple-bright);
  content: "✓";
  font-weight: 900;
}

.extension-note {
  margin: 18px 0 0;
  color: #aa9ab9;
  font-size: .82rem;
}

.extension-product-card {
  padding: clamp(1.4rem, 4vw, 2.2rem);
  border: 1px solid rgba(192, 132, 252, .34);
  border-radius: 24px;
  background: linear-gradient(145deg, rgba(39, 24, 59, .96), rgba(18, 13, 27, .98));
  box-shadow: 0 28px 80px rgba(0, 0, 0, .38), 0 0 42px rgba(126, 34, 206, .12);
}

.extension-product-heading {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.extension-product-heading img {
  width: 70px;
  height: 70px;
  border-radius: 18px;
}

.extension-product-heading div {
  display: grid;
  gap: .2rem;
}

.extension-product-heading strong {
  font-size: 1.45rem;
}

.extension-product-heading span,
.extension-product-card > p {
  color: var(--muted);
}

.extension-score-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .6rem;
  margin: 2rem 0 1.1rem;
}

.extension-score-row div {
  display: grid;
  gap: .15rem;
  padding: 1rem .65rem;
  border: 1px solid rgba(192, 132, 252, .24);
  border-radius: 12px;
  background: rgba(8, 6, 13, .48);
  text-align: center;
}

.extension-score-row strong {
  color: var(--purple-bright);
  font-size: 1.55rem;
}

.extension-score-row span {
  color: var(--muted);
  font-size: .74rem;
}

.extension-product-actions {
  display: grid;
  gap: .65rem;
}

.extension-product-actions span {
  padding: .78rem 1rem;
  border-left: 3px solid var(--purple-bright);
  border-radius: 0 9px 9px 0;
  background: rgba(168, 85, 247, .09);
  color: #eee7f4;
  font-weight: 750;
}

.extension-product-card > p {
  margin: 1.2rem 0 0;
  font-size: .8rem;
}

.extension-detail-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 3rem;
  align-items: center;
}

.extension-detail-icon {
  width: 128px;
  height: 128px;
  border-radius: 28px;
  box-shadow: 0 20px 55px rgba(109, 40, 217, .28);
}

.extension-detail-actions {
  margin-top: 1.8rem;
}

.installation-steps {
  counter-reset: install;
  display: grid;
  gap: 1rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.installation-steps li {
  counter-increment: install;
  position: relative;
  min-height: 3rem;
  padding: .85rem 1rem .85rem 4rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(39, 24, 59, .64);
}

.installation-steps li::before {
  position: absolute;
  top: .7rem;
  left: .85rem;
  display: grid;
  place-items: center;
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 50%;
  background: var(--purple-deep);
  color: #fff;
  content: counter(install);
  font-weight: 900;
}

.extension-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.extension-meta div {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
}

.extension-meta strong,
.extension-meta span {
  display: block;
}

.extension-meta span {
  margin-top: .25rem;
  color: var(--muted);
  font-size: .85rem;
}

.checksum {
  overflow-wrap: anywhere;
  padding: .8rem 1rem;
  border-radius: 10px;
  background: rgba(8, 6, 13, .58);
  color: #d8cbe3;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .78rem;
}

@media (max-width: 900px) {
  .extension-promo-grid {
    grid-template-columns: 1fr;
  }

  .extension-product-card {
    max-width: 620px;
  }
}

@media (max-width: 620px) {
  .extension-detail-hero {
    grid-template-columns: 1fr;
  }

  .extension-detail-icon {
    width: 96px;
    height: 96px;
  }

  .extension-meta {
    grid-template-columns: 1fr;
  }
}