:root{color-scheme:light dark;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-synthesis:none;--text:#1d2438;--muted:#536075;--surface:#fff;--page:#f7f7fd;--line:#ddddec;--purple:#7542c9;--pink:#e74a9a;--link:#6634b8;--soft:#f4eefe}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 12% 0%,#f4e7fb 0,transparent 36%),var(--page);color:var(--text);font-size:16px;line-height:1.7}a{color:var(--link);text-underline-offset:3px}a:hover{text-decoration-thickness:2px}a:focus-visible{outline:3px solid var(--pink);outline-offset:3px;border-radius:3px}.shell{max-width:1040px;padding:0 24px;margin:auto}.masthead{background:rgba(255,255,255,.85);border-bottom:1px solid var(--line)}.masthead .shell{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:80px}.brand{display:flex;align-items:center;gap:12px;color:var(--text);text-decoration:none;font-weight:800;letter-spacing:-.025em;font-size:21px}.brand img{width:43px;height:43px;border-radius:12px}.nav{font-size:14px;font-weight:600}.hero{padding:68px 0 30px;max-width:820px}.eyebrow{text-transform:uppercase;font-size:12px;letter-spacing:.13em;color:var(--purple);font-weight:800}.hero h1{font-size:clamp(2rem,5vw,3rem);letter-spacing:-.04em;line-height:1.15;margin:9px 0 13px}.lead{font-size:18px;color:var(--muted);max-width:690px}.meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.chip{font-size:13px;border-radius:100px;border:1px solid var(--line);background:var(--surface);padding:7px 13px}.layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:25px;align-items:start;padding:12px 0 70px}.toc{position:sticky;top:20px;padding:22px;border:1px solid var(--line);border-radius:18px;background:var(--surface);display:grid;gap:8px}.toc strong{font-size:14px;margin-bottom:5px}.toc a{font-size:14px;text-decoration:none}.paper{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:clamp(24px,4vw,48px);box-shadow:0 12px 45px rgba(38,25,71,.05)}.paper section+section{border-top:1px solid var(--line);padding-top:22px;margin-top:25px}.paper h2{font-size:1.24rem;letter-spacing:-.02em;line-height:1.3;margin:0 0 12px}.paper p,.paper li{color:var(--muted)}.paper ul{padding-left:23px}.paper li{margin-bottom:6px}.callout{background:var(--soft);border-left:4px solid var(--purple);padding:16px 20px;border-radius:12px;color:var(--text);margin:20px 0}.contact-link{font-weight:700;overflow-wrap:anywhere}.footer{border-top:1px solid var(--line);background:var(--surface);padding:23px 0;font-size:13px;color:var(--muted)}.footer .shell{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
@media(max-width:760px){.layout{grid-template-columns:1fr}.toc{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}.toc strong{grid-column:1/-1}.hero{padding:42px 0 20px}.paper{border-radius:18px}.masthead .shell{min-height:70px}}
@media(prefers-color-scheme:dark){:root{--text:#f4efff;--muted:#c5bfd8;--surface:#202033;--page:#151522;--line:#434059;--purple:#c9a5ff;--pink:#ff7ac1;--link:#d4b7ff;--soft:#322644}body{background:radial-gradient(circle at 12% 0%,#27203b,transparent 35%),var(--page)}.masthead{background:rgba(32,32,51,.92)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}