.extension-hero { padding: 56px 0 56px; background: radial-gradient(ellipse at 90% 0%, #22225060, transparent 55%); }
.extension-free { display: inline-block; margin-left: 18px; padding: 7px 10px; border: 1px solid #22d3ee44; border-radius: 30px; font-size: 10px; vertical-align: middle; letter-spacing: .06em; }
.extension-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; margin: 0 0 48px; }
.extension-intro h1 { font-size: clamp(5rem, 9vw, 8.5rem); line-height: .91; letter-spacing: -.06em; }
.extension-intro .lede { margin-top: 0; font-size: 1.2rem; max-width: 39ch; }
.extension-intro .fine { font-size: .8rem; line-height: 1.8; }
.extension-film { margin: 0; background: #000; border: 1px solid var(--line-2); border-radius: 18px; overflow: hidden; box-shadow: 0 24px 100px #0005; }
.extension-film video { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; }
.extension-film figcaption { display: flex; justify-content: space-between; gap: 16px; padding: 16px 22px; font-size: .8rem; color: var(--muted); background: #0b1224; }
.extension-film figcaption span:first-child { color: var(--text); }
.extension-transcript { font-size: .85rem; color: var(--muted); margin-top: 18px; }
.extension-transcript summary { cursor: pointer; width: fit-content; }
.extension-transcript p { margin-top: 14px; max-width: 90ch; }
.extension-features, .extension-mood, .extension-install { display: grid; grid-template-columns: 1fr 1fr; gap: 84px; align-items: start; }
.extension-features h2, .extension-mood h2, .extension-install h2, .extension-faq h2 { font-size: clamp(2rem, 4vw, 3.3rem); }
.extension-details { margin: 0; }
.extension-details div { border-bottom: 1px solid var(--line); padding: 22px 0; }
.extension-details div:first-child { padding-top: 0; }
.extension-details dt { font: 600 1.3rem/1.25 var(--display); margin-bottom: 10px; }
.extension-details dd { margin: 0; color: var(--muted); }
.extension-moods { display: flex; flex-wrap: wrap; gap: 14px; align-self: center; }
.extension-moods span { border: 1px solid #777bec50; background: #6366f112; border-radius: 50px; padding: 13px 23px; font-family: var(--display); font-size: 1.2rem; }
.extension-moods span:nth-child(3n + 1) { border-color: #22d3ee60; color: #a5ecf5; }
.extension-moods span:nth-child(3n + 2) { color: #d6c2ff; }
.extension-moods p { width: 100%; margin-top: 14px; color: var(--muted); font-size: .9rem; }
.extension-steps { margin: 0; padding: 0; list-style: none; counter-reset: install; }
.extension-steps li { counter-increment: install; position: relative; padding: 0 0 28px 55px; }
.extension-steps li:last-child { padding-bottom: 0; }
.extension-steps li::before { content: counter(install, decimal-leading-zero); position: absolute; left: 0; top: 0; color: var(--cyan); font: 500 1rem var(--mono); }
.extension-steps h3 { font-size: 1.15rem; margin-bottom: 8px; }
.extension-steps p { color: var(--muted); }
.extension-steps code, .extension-faq code { overflow-wrap: anywhere; }
.extension-faq > * { max-width: 850px; }
.extension-faq details { padding: 22px 0; border-bottom: 1px solid var(--line); }
.extension-faq summary { cursor: pointer; font-weight: 500; }
.extension-faq details p { margin-top: 14px; color: var(--muted); max-width: 75ch; }
@media (max-width: 820px) {
  .extension-hero { padding-top: 28px; }
  .extension-intro, .extension-features, .extension-mood, .extension-install { grid-template-columns: 1fr; gap: 32px; }
  .extension-intro { margin-bottom: 30px; }
  .extension-intro h1 { font-size: clamp(5rem, 18vw, 8rem); }
  .extension-intro .lede { max-width: 50ch; }
  .extension-film figcaption { flex-direction: column; gap: 4px; padding: 14px 16px; }
  .extension-moods { gap: 10px; }
  .extension-moods span { padding: 10px 18px; font-size: 1rem; }
}
@media (max-width: 380px) { .extension-free { display: block; width: fit-content; margin: 14px 0 0; } }