.cs{--cs-header: var(--altura-header, 4rem);--cs-subnav-h: 3.5rem;--cs-offset: calc(var(--cs-header) + var(--cs-subnav-h) + 1.5rem);--cs-ink: #1f1e1d;--cs-muted: #5d5955;--cs-line: #e6e3de;--cs-surface: #f5f4f1;--cs-accent: #2b2a29;--cs-accent-contrast: #ffffff;--cs-stage: color-mix(in srgb, var(--cs-accent) 10%, #ffffff);color:var(--cs-ink);background:#fff}.cs-wrap{width:min(1120px,100% - 2.5rem);margin-inline:auto}.cs-hero{padding-block:calc(var(--cs-header) + 3rem) 4.5rem;background-color:#fff;background-image:radial-gradient(color-mix(in srgb,var(--cs-accent) 28%,transparent) 1px,transparent 1.2px);background-size:18px 18px}.cs-hero-grid{display:grid;gap:2.5rem;align-items:start}@media(min-width:900px){.cs-hero-grid{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:4rem}}.cs-hero-info{display:flex;flex-direction:column;gap:2rem;padding-top:.25rem}.cs-split{scroll-margin-top:var(--cs-offset);display:grid;gap:1.25rem;padding-block:3rem;border-top:1px solid var(--cs-line)}@media(min-width:900px){.cs-split{grid-template-columns:16rem minmax(0,1fr);gap:3rem}}.cs-chapter{display:flex;flex-direction:column;gap:2.5rem;padding-block:4.5rem;border-top:1px solid var(--cs-line);scroll-margin-top:var(--cs-offset)}.cs-chapter-head{display:flex;flex-direction:column;gap:.9rem}.cs-chapter-body{display:flex;flex-direction:column;gap:4rem}.cs-block{scroll-margin-top:var(--cs-offset);display:flex;flex-direction:column;gap:1.25rem}.cs-block-head{display:flex;flex-direction:column;gap:.5rem}.cs-h1{font-family:var(--cs-heading-font, inherit);font-size:clamp(2.75rem,7vw,5.5rem);line-height:1.02;font-weight:700;letter-spacing:-.025em}.cs-h2{font-family:var(--cs-heading-font, inherit);font-size:clamp(1.6rem,3vw,2.25rem);line-height:1.15;font-weight:700;letter-spacing:-.015em}.cs-h3{font-size:1.35rem;line-height:1.3;font-weight:650}.cs-h4{font-size:1.1rem;line-height:1.35;font-weight:650}.cs-lead{max-width:60ch;font-size:clamp(1.1rem,2vw,1.3rem);line-height:1.55;color:var(--cs-muted)}.cs-statement{max-width:44ch;font-size:clamp(1.3rem,2.6vw,1.75rem);line-height:1.45;font-weight:500}.cs-body,.cs-prose{max-width:68ch;font-size:1.0625rem;line-height:1.75}.cs-prose{display:flex;flex-direction:column;gap:1rem}.cs-small{font-size:.95rem;line-height:1.6}.cs-muted{color:var(--cs-muted)}.cs-back{display:inline-flex;align-items:center;gap:.5rem;align-self:flex-start;font-weight:600;color:var(--cs-muted)}.cs-back:hover{color:var(--cs-ink)}.cs-stage{display:grid;place-items:center;padding:clamp(1.25rem,4vw,2.5rem);background:var(--cs-stage);border-radius:6px;overflow:hidden}.cs-stage-img{width:100%;height:auto;border-radius:12px}.cs-stage--fill{aspect-ratio:4 / 5;padding:0}.cs-stage--fill .cs-stage-img{height:100%;object-fit:cover;object-position:var(--cs-cover-pos, center);border-radius:0}.cs-meta{display:flex;flex-direction:column}.cs-meta>div{display:flex;flex-direction:column;gap:.35rem;padding-block:1.1rem;border-bottom:1px solid var(--cs-ink)}.cs-meta>div:last-child{border-bottom:0}.cs-meta dt{font-weight:700;font-size:1.05rem}.cs-meta dd{display:flex;flex-direction:column;gap:.2rem;color:var(--cs-muted);line-height:1.55}.cs-meta dd strong{color:var(--cs-ink);font-weight:600}.cs-meta-note{font-size:.975rem}.cs-cta{display:inline-flex;align-items:center;gap:.6rem;padding:.85rem 1.5rem;border:2px solid var(--cs-ink);border-radius:999px;background:var(--cs-accent);color:var(--cs-accent-contrast);font-weight:700;box-shadow:4px 4px 0 var(--cs-ink);transition:transform .15s,box-shadow .15s}.cs-cta:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--cs-ink)}.cs-cta:active{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--cs-ink)}.cs-cta-light{background:#fff;color:var(--cs-ink)}.cs-toc{display:flex;flex-direction:column;gap:2rem;padding-block:3.5rem;border-top:1px solid var(--cs-line)}.cs-toc-grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fill,minmax(15rem,1fr))}.cs-toc-item{display:flex;flex-direction:column;gap:.75rem;padding:1.4rem;background:var(--cs-surface);border-radius:20px}.cs-toc-title{font-size:1.15rem;font-weight:650;line-height:1.3}.cs-toc-sub{display:flex;flex-direction:column;gap:.35rem;font-size:.95rem;color:var(--cs-muted)}.cs-toc a{background-image:linear-gradient(var(--cs-accent),var(--cs-accent));background-size:0% 2px;background-position:0 100%;background-repeat:no-repeat;transition:background-size .25s,color .2s}.cs-toc a:hover{color:var(--cs-ink);background-size:100% 2px}.cs-num{display:inline-grid;place-items:center;width:2.4rem;height:2.4rem;border:2px solid var(--cs-ink);border-radius:10px;background:var(--cs-accent);color:var(--cs-accent-contrast);font-weight:700;box-shadow:3px 3px 0 var(--cs-ink)}.cs-figure{display:flex;flex-direction:column;gap:.75rem}.cs-img{width:100%;height:auto;border-radius:18px;background:var(--cs-surface)}.cs-caption{max-width:68ch;font-size:.9rem;line-height:1.55;color:var(--cs-muted)}.cs-card{display:flex;flex-direction:column;gap:.75rem;padding:1.4rem;background:var(--cs-surface);border-radius:20px}.cs-card-stat{flex-direction:column-reverse}.cs-card-img{width:100%;height:auto;aspect-ratio:4 / 3;object-fit:cover;border-radius:14px}.cs-step{display:inline-grid;place-items:center;width:1.9rem;height:1.9rem;border-radius:999px;background:#fff;font-size:.9rem;font-weight:700;box-shadow:inset 0 0 0 1.5px var(--cs-ink)}.cs-list{display:flex;flex-direction:column;gap:.6rem}.cs-list li{position:relative;padding-left:1.25rem;line-height:1.6}.cs-list li:before{content:"";position:absolute;left:0;top:.62em;width:.45rem;height:.45rem;border-radius:999px;background:var(--cs-accent)}.cs-highlight{display:flex;flex-direction:column;gap:.6rem;max-width:52rem;padding:clamp(1.4rem,3vw,2.2rem);background:var(--cs-stage);border-left:4px solid var(--cs-accent);border-radius:6px 20px 20px 6px}.cs-quote{font-size:clamp(1.2rem,2.2vw,1.5rem);line-height:1.5;font-weight:500}.cs-specs{display:flex;flex-direction:column}.cs-specs>div{display:flex;flex-direction:column;gap:.25rem;padding-block:1rem;border-bottom:1px solid var(--cs-line)}.cs-specs>div:first-child{border-top:1px solid var(--cs-line)}.cs-stat{font-size:clamp(2rem,4vw,2.75rem);font-weight:700;line-height:1.1}.cs-toggle{display:inline-flex;align-self:flex-start;gap:4px;padding:4px;background:var(--cs-surface);border-radius:999px}.cs-toggle button{padding:.5rem 1.1rem;border-radius:999px;font-weight:600;color:var(--cs-muted);cursor:pointer;transition:background-color .2s,color .2s}.cs-toggle button[aria-pressed=true]{background:var(--cs-accent);color:var(--cs-accent-contrast)}.cs-compare{display:grid}.cs-compare-item{grid-area:1 / 1;opacity:0;visibility:hidden;transition:opacity .35s ease,visibility .35s}.cs-compare-item.is-active{opacity:1;visibility:visible}.cs-swatch{width:100%;display:flex;flex-direction:column;cursor:pointer}.cs-swatch-color{display:grid;place-items:center;aspect-ratio:1;border-radius:18px;background:var(--swatch);color:var(--swatch-text);font-weight:700;box-shadow:inset 0 0 0 1px #00000014;transition:transform .2s}.cs-swatch:hover .cs-swatch-color{transform:translateY(-3px)}.cs-swatch-feedback{opacity:0;transform:translateY(6px);transition:opacity .2s,transform .2s}.cs-swatch.is-copied .cs-swatch-feedback{opacity:1;transform:none}.cs-next-wrap{padding-block:3rem 6rem;border-top:1px solid var(--cs-line)}.cs-next{display:grid;gap:2rem;padding:clamp(1rem,3vw,1.5rem);background:var(--cs-surface);border-radius:28px}@media(min-width:800px){.cs-next{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center}}.cs-next-media{overflow:hidden;border-radius:20px}.cs-next-img{width:100%;height:auto;aspect-ratio:4 / 3;object-fit:cover;transition:transform .5s cubic-bezier(.2,.8,.2,1)}.cs-next:hover .cs-next-img{transform:scale(1.03)}.cs-next-link{display:inline-flex;align-items:center;gap:.5rem;font-weight:600}.cs-next-link svg{transition:transform .2s}.cs-next:hover .cs-next-link svg{transform:translate(4px)}.cs-subnav{position:sticky;top:var(--cs-header);z-index:40;background:#ffffffeb;backdrop-filter:blur(10px);border-block:1px solid var(--cs-line)}.cs-subnav-inner{display:flex;align-items:center;gap:1.5rem;height:var(--cs-subnav-h)}.cs-subnav-title{display:none;flex-shrink:0;font-family:var(--cs-heading-font, inherit);font-weight:700}@media(min-width:1024px){.cs-subnav-title{display:block;padding-right:1.5rem;border-right:1px solid var(--cs-line)}}.cs-subnav-list{display:flex;gap:.25rem;overflow-x:auto;scrollbar-width:none;mask-image:linear-gradient(to right,#000 calc(100% - 2rem),transparent)}.cs-subnav-list::-webkit-scrollbar{display:none}.cs-subnav-list a{display:inline-flex;align-items:center;gap:.45rem;padding:.45rem .8rem;border-radius:999px;white-space:nowrap;font-size:.95rem;font-weight:500;color:var(--cs-muted);transition:background-color .2s,color .2s}.cs-subnav-list a:hover{color:var(--cs-ink);background:var(--cs-surface)}.cs-subnav-list a[aria-current]{color:var(--cs-ink);font-weight:700;background:var(--cs-stage)}.cs-subnav-num{display:inline-grid;place-items:center;width:1.35rem;height:1.35rem;border-radius:6px;font-size:.75rem;font-weight:700;background:var(--cs-surface);color:var(--cs-muted);transition:background-color .2s,color .2s}.cs-subnav-list a[aria-current] .cs-subnav-num{background:var(--cs-accent);color:var(--cs-accent-contrast)}.cs-progress{position:absolute;inset:auto 0 -1px;height:3px}.cs-progress span{display:block;height:100%;background:var(--cs-accent);transform:scaleX(0);transform-origin:left}.cs-top{position:fixed;z-index:50;right:1.25rem;bottom:1.25rem;display:grid;place-items:center;width:3rem;height:3rem;border-radius:999px;background:var(--cs-ink);color:#fff;cursor:pointer;opacity:0;pointer-events:none;transform:translateY(10px);transition:opacity .25s,transform .25s}.cs-top.is-visible{opacity:1;pointer-events:auto;transform:none}.cs :focus-visible{outline:2.5px solid var(--cs-ink);outline-offset:3px;border-radius:6px}@media(prefers-reduced-motion:no-preference){.cs-stage-img{animation:cs-enter .8s .1s cubic-bezier(.2,.8,.2,1) both}}@keyframes cs-enter{0%{opacity:0;transform:translateY(14px) scale(.985)}}@media(prefers-reduced-motion:reduce){.cs *,.cs *:before{animation:none!important;transition:none!important}}