.section-index-module__ETsq6G__shell{--accent:var(--action-primary-default);--accent-deep:var(--action-primary-hovered);--accent-light:var(--surface-primary-default);--accent-tint:var(--surface-primary-hovered);--color-bg:#faf9f7;--color-surface:#fff;--color-text:var(--text-neutral-default);--color-text-secondary:var(--text-neutral-subdued);--color-border:var(--border-neutral-default);--color-border-light:#f0eeea;--font-serif:var(--font-reading-serif), Georgia, serif;--font-sans:var(--font-plus-jakarta), var(--font-geist-sans), system-ui, sans-serif;--font-mono:var(--font-geist-mono), ui-monospace, monospace;--page-padding:clamp(1.25rem, 4vw, 2.5rem);--marker-size:2.75rem;--ease-out:cubic-bezier(.22, 1, .36, 1);min-height:calc(100vh - var(--site-header-height));background:var(--color-bg);color:var(--color-text);font-family:var(--font-sans)}.section-index-module__ETsq6G__layout{max-width:68rem;padding:clamp(2.5rem, 6vw, 4.5rem) var(--page-padding) clamp(3rem, 7vw, 5rem);gap:clamp(2rem,5vw,4rem);margin:0 auto;display:grid}@media (min-width:1024px){.section-index-module__ETsq6G__layout{grid-template-columns:minmax(15rem,21rem) minmax(0,1fr);align-items:start}.section-index-module__ETsq6G__header{top:calc(var(--site-header-height) + 2rem);position:sticky}}.section-index-module__ETsq6G__up{color:var(--color-text-secondary);margin-bottom:1.25rem;font-size:.8125rem;font-weight:500;text-decoration:none;transition:color .15s;display:inline-block}.section-index-module__ETsq6G__up:before{content:"← "}.section-index-module__ETsq6G__up:hover{color:var(--accent)}.section-index-module__ETsq6G__header h1{font-family:var(--font-serif);letter-spacing:-.02em;text-wrap:balance;margin:0 0 1rem;font-size:clamp(2.25rem,5vw,3.25rem);font-weight:600;line-height:1.1}.section-index-module__ETsq6G__description{color:var(--color-text-secondary);text-wrap:pretty;max-width:34rem;margin:0 0 1.25rem;font-size:1rem;line-height:1.65}.section-index-module__ETsq6G__meta{font-family:var(--font-mono);letter-spacing:.02em;color:var(--color-text-secondary);border-top:1px solid var(--color-border);max-width:34rem;margin:0;padding-top:1rem;font-size:.75rem}.section-index-module__ETsq6G__list{margin:0;padding:0;list-style:none}.section-index-module__ETsq6G__item{position:relative}.section-index-module__ETsq6G__item:before{content:"";left:calc(var(--marker-size) / 2);background:var(--color-border);width:1px;position:absolute;top:0;bottom:0}.section-index-module__ETsq6G__item:first-child:before{top:calc(1.25rem + var(--marker-size) / 2)}.section-index-module__ETsq6G__item:last-child:before{bottom:calc(100% - 1.25rem - var(--marker-size) / 2)}.section-index-module__ETsq6G__itemLink{grid-template-columns:var(--marker-size) minmax(0, 1fr) auto;color:inherit;transition:background .25s var(--ease-out);border-radius:10px;align-items:start;gap:0 1.25rem;padding:1.25rem 1rem 1.5rem 0;text-decoration:none;display:grid;position:relative}.section-index-module__ETsq6G__itemLink:hover{background:var(--accent-light)}.section-index-module__ETsq6G__itemLink:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.section-index-module__ETsq6G__marker{z-index:1;width:var(--marker-size);height:var(--marker-size);background:var(--color-surface);border:1px solid var(--color-border);font-family:var(--font-mono);color:var(--accent);transition:background .25s var(--ease-out), border-color .25s var(--ease-out), color .25s var(--ease-out);border-radius:50%;place-items:center;font-size:.8125rem;font-weight:600;display:grid;position:relative}.section-index-module__ETsq6G__itemLink:hover .section-index-module__ETsq6G__marker{background:var(--accent);border-color:var(--accent);color:#fff}.section-index-module__ETsq6G__body{min-width:0;padding-top:.35rem;display:block}.section-index-module__ETsq6G__title{font-family:var(--font-serif);letter-spacing:-.01em;text-wrap:balance;transition:color .2s var(--ease-out);margin-bottom:.4rem;font-size:clamp(1.35rem,2.4vw,1.6rem);font-weight:600;line-height:1.25;display:block}.section-index-module__ETsq6G__itemLink:hover .section-index-module__ETsq6G__title{color:var(--accent-deep)}.section-index-module__ETsq6G__partDescription{color:var(--color-text-secondary);text-wrap:pretty;max-width:46ch;margin-bottom:.75rem;font-size:.9375rem;line-height:1.55;display:block}.section-index-module__ETsq6G__partMeta{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}.section-index-module__ETsq6G__metaText{font-family:var(--font-mono);letter-spacing:.02em;color:var(--color-text-secondary);font-size:.72rem}.section-index-module__ETsq6G__demoChip{background:var(--accent-tint);color:var(--accent-deep);letter-spacing:.01em;white-space:nowrap;border-radius:999px;align-items:center;gap:.3rem;padding:.15rem .5rem .15rem .45rem;font-size:.72rem;font-weight:600;display:inline-flex}.section-index-module__ETsq6G__arrow{color:var(--accent);opacity:0;transition:opacity .25s var(--ease-out), transform .25s var(--ease-out);align-self:center;font-size:1.1rem;transform:translate(-.4rem)}.section-index-module__ETsq6G__itemLink:hover .section-index-module__ETsq6G__arrow,.section-index-module__ETsq6G__itemLink:focus-visible .section-index-module__ETsq6G__arrow{opacity:1;transform:translate(0)}.section-index-module__ETsq6G__seriesNav{max-width:68rem;padding:2rem var(--page-padding) clamp(3rem, 6vw, 4.5rem);border-top:1px solid var(--color-border);flex-wrap:wrap;justify-content:space-between;align-items:stretch;gap:1rem;margin:0 auto;display:flex}.section-index-module__ETsq6G__navLink{color:inherit;transition:background .2s var(--ease-out);border-radius:10px;gap:.25rem;min-width:0;margin:-.75rem -1rem;padding:.75rem 1rem;text-decoration:none;display:grid}.section-index-module__ETsq6G__navLink:hover{background:var(--accent-light)}.section-index-module__ETsq6G__navNext{text-align:right;margin-left:auto}.section-index-module__ETsq6G__navLabel{font-family:var(--font-mono);letter-spacing:.04em;color:var(--color-text-secondary);font-size:.7rem}.section-index-module__ETsq6G__navTitle{font-family:var(--font-serif);color:var(--accent-deep);text-wrap:balance;font-size:1.0625rem;font-weight:600}@media (prefers-reduced-motion:no-preference){.section-index-module__ETsq6G__item{animation:section-index-module__ETsq6G__partIn .52s var(--ease-out) both;animation-delay:calc(var(--i,0) * 70ms)}@keyframes section-index-module__ETsq6G__partIn{0%{opacity:0;transform:translateY(.75rem)}}}@media (max-width:560px){.section-index-module__ETsq6G__itemLink{gap:0 .875rem;padding-right:.25rem}.section-index-module__ETsq6G__arrow{display:none}}