.extension-page{--ext-coral:#f18a60;--ext-cyan:#90dce3;--ext-paper:#f1f3ed;--ext-muted:#bacbd0;--ext-line:#34454b;color:var(--ext-paper)}
.extension-page .sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.extension-page .ext-kicker{color:var(--ext-cyan);font-family:var(--font-mono,monospace);font-size:.78rem;letter-spacing:.07em;text-transform:uppercase;margin:0 0 20px}
.ext-hero{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(32px,4vw,70px);align-items:center;padding:62px 0 70px}
.ext-hero h1{font-size:clamp(2.5rem,4.25vw,5.3rem);line-height:1.06;letter-spacing:-.055em;margin:0 0 24px;max-width:12ch;overflow-wrap:normal;word-break:normal}
.ext-hero h1 em{color:var(--ext-coral);font-style:normal}
.ext-intro{font-size:1.12rem;line-height:1.75;color:var(--ext-muted);max-width:49ch;margin:0 0 26px}
.ext-actions{display:flex;gap:22px;align-items:center;flex-wrap:wrap}
.extension-page .ext-button{display:inline-flex;justify-content:center;align-items:center;gap:20px;min-height:52px;background:var(--ext-coral);color:#111e22;border:1px solid var(--ext-coral);border-radius:5px;padding:15px 22px;font-size:1rem;font-weight:700;text-decoration:none;line-height:1.4}
.extension-page .ext-button:hover{background:#ffa987;border-color:#ffa987}
.extension-page .ext-link{color:var(--ext-paper);text-decoration:underline;text-underline-offset:5px;font-size:.95rem;min-height:44px;display:inline-flex;align-items:center}
.extension-page .ext-meta{font-size:.83rem;color:var(--ext-muted);line-height:1.65;margin:15px 0 0}
.ext-preview{margin:0;min-width:0}
.ext-preview>a{display:block;border:1px solid #4f6268;border-radius:12px;overflow:hidden;box-shadow:0 20px 60px #0003}
.ext-preview img{display:block;width:100%;height:auto;aspect-ratio:8/5;object-fit:contain}
.ext-preview figcaption{color:var(--ext-muted);font-size:.77rem;line-height:1.6;margin-top:14px;max-width:70ch}
.ext-preview figcaption a{color:var(--ext-cyan);text-decoration:underline;text-underline-offset:3px}
.ext-facts{border-top:1px solid var(--ext-line);border-bottom:1px solid var(--ext-line);display:grid;grid-template-columns:repeat(3,minmax(0,1fr));padding:25px 0;gap:30px}
.ext-facts p{margin:0;font-size:.9rem;color:var(--ext-muted);line-height:1.6}
.ext-facts strong{display:block;color:var(--ext-paper);font-size:1.2rem;margin-bottom:4px}
.ext-section{padding:76px 0;scroll-margin-top:130px;border-bottom:1px solid var(--ext-line)}
.extension-page h2{font-size:clamp(1.85rem,3vw,3.3rem);line-height:1.15;letter-spacing:-.035em;margin:0 0 26px;max-width:26ch}
.ext-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin-top:34px}
.ext-feature{padding:27px 30px 27px 0;border-top:1px solid var(--ext-line)}
.ext-feature span{font-family:monospace;color:var(--ext-coral);font-size:.83rem}
.ext-feature h3{font-size:1.17rem;line-height:1.4;margin:16px 0 10px}
.ext-feature p,.ext-step p,.ext-copy p{font-size:1rem;line-height:1.75;color:var(--ext-muted);margin:0 0 14px}
.ext-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px;padding:0;list-style:none;counter-reset:ext-step;margin:36px 0 0}
.ext-step{counter-increment:ext-step}
.ext-step:before{content:'0' counter(ext-step);font-size:2.4rem;line-height:1;color:var(--ext-coral);font-family:monospace}
.ext-step h3{font-size:1.2rem;margin:24px 0 14px}
.ext-split{display:grid;grid-template-columns:1fr 1fr;gap:70px}
.ext-split a,.ext-faq a{color:var(--ext-cyan);text-underline-offset:4px}
.ext-faq details{border-top:1px solid var(--ext-line);padding:21px 0}
.ext-faq summary{cursor:pointer;font-size:1.1rem;line-height:1.5;min-height:30px}
.ext-faq details p{color:var(--ext-muted);font-size:1rem;line-height:1.75;max-width:84ch;margin:17px 0 0}
.ext-ending{padding:65px 0 84px;display:flex;align-items:center;justify-content:space-between;gap:36px}
.ext-ending h2{margin-bottom:10px}
.ext-ending p{color:var(--ext-muted);max-width:58ch}
.extension-page a:focus-visible,.extension-page summary:focus-visible{outline:3px solid var(--ext-cyan);outline-offset:5px}
.extension-page .breadcrumbs{padding-top:28px}
@media(max-width:1050px){.ext-hero{grid-template-columns:1fr;padding-top:40px;gap:34px}.ext-hero h1{max-width:22ch;font-size:clamp(2.7rem,7vw,4.8rem)}.ext-intro{max-width:65ch}.ext-preview{max-width:850px}.ext-split{gap:35px}.ext-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.ext-hero{padding:35px 0 40px}.ext-hero h1{font-size:2.55rem;max-width:15ch}.ext-intro{font-size:1rem}.ext-actions{gap:12px 24px}.ext-facts{grid-template-columns:1fr;gap:19px}.ext-facts strong{font-size:1.1rem}.ext-section{padding:48px 0;scroll-margin-top:110px}.ext-grid,.ext-steps,.ext-split{grid-template-columns:1fr;gap:24px}.ext-feature{padding:24px 0 0}.ext-feature p{margin-bottom:0}.ext-step h3{margin-top:16px}.ext-ending{display:block;padding:45px 0 55px}.ext-ending .ext-button{margin-top:16px}.ext-preview>a{border-radius:6px}.ext-preview figcaption{font-size:.75rem}.extension-page .ext-button{padding:14px 18px}.extension-page .breadcrumbs{font-size:.8rem}.ext-faq summary{font-size:1rem}}