:root{--bg: #ffffff;--bg-soft: #f6f7f9;--fg: #16181d;--muted: #5b6471;--accent: #2f6df6;--accent-soft: #e8f0ff;--accent-2: #7a5cff;--accent-2-soft: #efeaff;--ok: #17845a;--ok-soft: #e7f5ee;--warn: #b64514;--warn-soft: #fceee6;--card: #ffffff;--border: #e6e8ec;--shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 8px 24px rgba(16, 24, 40, .06);--shadow-sm: 0 1px 2px rgba(16, 24, 40, .06);--sidebar-w: 264px;--content-max: 760px;--radius: 14px;--radius-sm: 10px;--font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji", sans-serif;--fs-step: clamp(1rem, .95rem + .2vw, 1.0625rem);--ease: cubic-bezier(.22, 1, .36, 1);--dur: .6s;color-scheme:light}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;font-family:var(--font-sans);font-size:var(--fs-step);line-height:1.7;color:var(--fg);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}h1,h2,h3{line-height:1.2;letter-spacing:-.02em;margin:0 0 .5em;font-weight:700}h1{font-size:clamp(2rem,1.5rem + 2.4vw,3.25rem)}h2{font-size:clamp(1.5rem,1.2rem + 1.4vw,2.125rem)}h3{font-size:1.2rem}p{margin:0 0 1.15em;color:var(--fg)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;display:block}ul{margin:0 0 1.15em;padding-left:1.2em}li{margin:.35em 0}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;left:12px;top:12px;z-index:100;background:var(--fg);color:#fff;padding:10px 14px;border-radius:8px;transform:translateY(calc(-100% - 24px));transition:transform .16s var(--ease)}.skip-link:focus{transform:translateY(0);text-decoration:none}.layout{display:grid;grid-template-columns:var(--sidebar-w) 1fr;min-height:100vh}.sidebar{position:sticky;top:0;align-self:start;height:100vh;padding:28px 22px;border-right:1px solid var(--border);background:var(--bg-soft);display:flex;flex-direction:column;gap:22px;overflow-y:auto}.brand{display:flex;align-items:center;gap:12px}.brand__logo{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;overflow:hidden;flex:none}.brand__logo img{width:100%;height:100%;object-fit:contain}.brand__title{font-weight:700;font-size:1.02rem;line-height:1.2;letter-spacing:-.01em}.brand__tagline{font-size:.8rem;color:var(--muted);line-height:1.25;margin-top:1px}.nav-label{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:600}.section-map{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}.section-map__link{--dot: var(--border);display:flex;align-items:center;gap:12px;padding:9px 12px;border-radius:var(--radius-sm);color:var(--muted);font-size:.92rem;font-weight:500;line-height:1.3;transition:background .16s var(--ease),color .16s var(--ease)}.section-map__link:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--dot);flex:none;transition:background .16s var(--ease),transform .16s var(--ease)}.section-map__link:hover{background:var(--accent-soft);color:var(--fg);text-decoration:none}.section-map__link.active{--dot: var(--accent);background:var(--accent-soft);color:var(--accent);font-weight:600}.section-map__link.active:before{transform:scale(1.25)}.section-map__index{font-variant-numeric:tabular-nums;font-size:.78rem;color:var(--muted);min-width:1.4em}.section-map__group{margin:18px 0 4px;padding:0 12px;font-size:.66rem;font-weight:700;text-transform:uppercase;letter-spacing:.09em;color:var(--muted)}.section-map__group:first-child{margin-top:0}.lang-switch{margin-top:auto;display:flex;gap:4px;padding:4px;background:var(--bg);border:1px solid var(--border);border-radius:999px;width:fit-content}.lang-switch__btn{border:0;background:transparent;color:var(--muted);font:inherit;font-size:.82rem;font-weight:600;padding:5px 12px;border-radius:999px;cursor:pointer;transition:background .16s var(--ease),color .16s var(--ease)}.lang-switch__btn[aria-pressed=true]{background:var(--accent);color:#fff}.topbar{display:none;position:sticky;top:0;z-index:30;align-items:center;gap:12px;padding:12px 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solid var(--border)}.hero__image img{width:100%;height:auto}.section{padding:56px 0;border-top:1px solid var(--border);scroll-margin-top:24px}.section__index{font-size:.8rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:10px}.block-figure{margin:28px 0}.block-figure img,.block-figure video{width:100%;height:auto;border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow-sm);background:var(--bg-soft)}.block-figure figcaption{margin-top:10px;font-size:.85rem;color:var(--muted);text-align:center}.block-list{background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px 20px 40px;margin:22px 0}.callout{display:flex;gap:14px;margin:24px 0;padding:18px 20px;background:var(--accent-soft);border:1px solid color-mix(in srgb,var(--accent) 20%,var(--border));border-left:4px solid var(--accent);border-radius:var(--radius-sm)}.callout__icon{flex:none;color:var(--accent);font-size:1.2rem;line-height:1.5}.callout p{margin:0}.callout--warning{background:var(--warn-soft);border-color:color-mix(in srgb,var(--warn) 22%,var(--border));border-left-color:var(--warn)}.callout--warning .callout__icon{color:var(--warn)}.block-lead{font-size:clamp(1.15rem,1.05rem + .5vw,1.4rem);line-height:1.5;font-weight:500;letter-spacing:-.01em;color:var(--fg);margin:0 0 1.1em}.block-subheading{display:flex;align-items:center;gap:10px;margin:34px 0 10px;font-size:1.15rem}.block-subheading:before{content:"";width:18px;height:3px;border-radius:3px;background:var(--accent);flex:none}.block-mapping{display:flex;align-items:stretch;gap:10px;flex-wrap:wrap;margin:0 0 26px}.block-mapping__side{flex:1 1 220px;display:flex;flex-direction:column;gap:4px;padding:12px 16px;background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius-sm)}.block-mapping__side--shopify{background:var(--accent-soft);border-color:color-mix(in srgb,var(--accent) 22%,var(--border))}.block-mapping__key{font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.block-mapping__side--shopify .block-mapping__key{color:var(--accent)}.block-mapping__val{font-weight:600;line-height:1.35}.block-mapping__arrow{align-self:center;flex:none;font-size:1.3rem;color:var(--muted)}@media(max-width:560px){.block-mapping__arrow{transform:rotate(90deg)}}.block-quote{margin:28px 0;padding:4px 0 4px 22px;border-left:3px solid var(--accent-2);font-size:1.2rem;line-height:1.5;font-weight:600;letter-spacing:-.01em}.block-quote p{margin:0 0 6px}.block-quote cite{font-style:normal;font-size:.85rem;font-weight:600;color:var(--muted)}.block-example{margin:22px 0;padding:20px 22px;background:var(--card);border:1px solid var(--border);border-top:3px solid var(--accent-2);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.block-example__label{display:inline-block;margin-bottom:12px;padding:4px 10px;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--accent-2);background:var(--accent-2-soft);border-radius:999px}.block-example__text{margin:0}.block-example__list{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:8px}.block-example__list li{position:relative;margin:0;padding-left:18px}.block-example__list li:before{content:"›";position:absolute;left:0;color:var(--accent-2);font-weight:700}.block-dodont{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:24px 0}.block-dodont__col{padding:16px 18px;border:1px solid var(--border);border-radius:var(--radius)}.block-dodont__col--do{background:var(--ok-soft);border-color:color-mix(in srgb,var(--ok) 22%,var(--border))}.block-dodont__col--dont{background:var(--warn-soft);border-color:color-mix(in srgb,var(--warn) 22%,var(--border))}.block-dodont__head{display:flex;align-items:center;gap:8px;margin-bottom:10px;font-size:.95rem;font-weight:700}.block-dodont__col--do .block-dodont__head{color:var(--ok)}.block-dodont__col--dont .block-dodont__head{color:var(--warn)}.block-dodont__icon{flex:none;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-size:.72rem;color:#fff}.block-dodont__col--do .block-dodont__icon{background:var(--ok)}.block-dodont__col--dont .block-dodont__icon{background:var(--warn)}.block-dodont__col ul{margin:0;padding-left:1.1em}.block-dodont__col li{font-size:.92rem}@media(max-width:560px){.block-dodont{grid-template-columns:1fr}}.block-stat{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0}.block-stat__item{flex:1 1 160px;padding:18px 20px;background:linear-gradient(135deg,var(--accent-soft),var(--bg-soft));border:1px solid color-mix(in srgb,var(--accent) 18%,var(--border));border-radius:var(--radius)}.block-stat__value{display:block;font-size:clamp(1.8rem,1.4rem + 1.6vw,2.6rem);font-weight:800;letter-spacing:-.03em;line-height:1.1;color:var(--accent)}.block-stat__label{display:block;margin-top:4px;font-size:.88rem;color:var(--muted)}.block-placeholder{margin:28px 0}.block-placeholder__frame{position:relative;display:grid;place-items:center;gap:10px;aspect-ratio:16 / 9;padding:20px;text-align:center;border:2px dashed color-mix(in srgb,var(--accent) 38%,var(--border));border-radius:var(--radius);background:repeating-linear-gradient(-45deg,var(--bg-soft),var(--bg-soft) 12px,color-mix(in srgb,var(--accent-soft) 55%,var(--bg-soft)) 12px,color-mix(in srgb,var(--accent-soft) 55%,var(--bg-soft)) 24px)}.block-placeholder__icon{font-size:1.9rem}.block-placeholder__badge{padding:5px 13px;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);background:var(--bg);border:1px solid color-mix(in srgb,var(--accent) 25%,var(--border));border-radius:999px}.block-placeholder__ratio{position:absolute;top:10px;right:10px;padding:2px 8px;font-size:.7rem;font-weight:600;font-variant-numeric:tabular-nums;color:var(--muted);background:var(--bg);border:1px solid var(--border);border-radius:6px}.block-placeholder__caption{margin-top:12px;display:flex;flex-direction:column;gap:3px;text-align:center}.block-placeholder__caption strong{font-size:.92rem;color:var(--fg)}.block-placeholder__caption span{font-size:.82rem;color:var(--muted)}.hero__placeholder{margin:32px 0 0}.block-checklist{list-style:none;margin:24px 0;padding:8px;display:flex;flex-direction:column;gap:2px;background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius)}.block-checklist__item{display:flex;align-items:flex-start;gap:12px;margin:0;padding:11px 14px;border-radius:var(--radius-sm);transition:background .16s var(--ease)}.block-checklist__item:hover{background:var(--bg)}.block-checklist__check{flex:none;width:22px;height:22px;margin-top:1px;border-radius:6px;display:grid;place-items:center;font-size:.78rem;font-weight:700;color:#fff;background:var(--accent)}.page-footer{margin-top:72px;padding-top:28px;border-top:1px solid var(--border);font-size:.85rem;color:var(--muted);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}@media(max-width:1023px){.layout{grid-template-columns:1fr}.topbar{display:flex}.sidebar{position:fixed;top:0;left:0;z-index:40;width:min(320px,86vw);height:100dvh;transform:translate(-100%);transition:transform .24s var(--ease);border-right:1px solid var(--border);box-shadow:var(--shadow)}.layout.drawer-open .sidebar{transform:translate(0)}.layout.drawer-open .scrim{display:block;opacity:1}.content{padding:32px 20px 96px}}:root{--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace}.callout__body{min-width:0}.callout__label{display:block;margin-bottom:4px;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--accent)}.callout--warning .callout__label{color:var(--warn)}.block-table{margin:24px 0}.block-table__caption{margin-bottom:10px;font-size:.8rem;font-weight:600;color:var(--muted)}.block-table__scroll{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);background:var(--card);-webkit-overflow-scrolling:touch}.block-table table{width:100%;border-collapse:collapse;font-size:.9rem}.block-table th,.block-table td{padding:11px 15px;text-align:left;vertical-align:top;border-bottom:1px solid var(--border)}.block-table th{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);background:var(--bg-soft);white-space:nowrap}.block-table tbody tr:last-child td{border-bottom:0}.block-table td:first-child{font-weight:600;color:var(--fg)}.block-table code{font-family:var(--font-mono);font-size:.82em;padding:1px 5px;color:var(--accent);background:var(--accent-soft);border-radius:4px;white-space:nowrap}.block-code{margin:24px 0}.block-code__label{margin-bottom:8px;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--muted)}.block-code pre{margin:0;padding:16px 18px;overflow-x:auto;background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius);-webkit-overflow-scrolling:touch}.block-code code{font-family:var(--font-mono);font-size:.82rem;line-height:1.55;white-space:pre;color:var(--fg)}.block-cta{display:flex;flex-direction:column;align-items:flex-start;gap:10px;margin:32px 0;padding:24px 26px;background:linear-gradient(135deg,var(--accent-soft),color-mix(in srgb,var(--accent-2-soft) 70%,var(--accent-soft)));border:1px solid color-mix(in srgb,var(--accent) 22%,var(--border));border-radius:var(--radius)}.block-cta__heading{margin:0;font-size:1.12rem;font-weight:700;line-height:1.35;color:var(--fg)}.block-cta__text{margin:0;color:var(--muted)}.block-cta__btn{display:inline-flex;align-items:center;gap:8px;margin-top:6px;padding:11px 20px;font-size:.94rem;font-weight:600;color:#fff;text-decoration:none;background:var(--accent);border-radius:999px;box-shadow:var(--shadow-sm);transition:background .16s var(--ease),transform .16s var(--ease)}.block-cta__btn:hover{color:#fff;background:color-mix(in srgb,var(--accent) 85%,#000);transform:translateY(-1px)}.block-cta__arrow{transition:transform .16s var(--ease)}.block-cta__btn:hover .block-cta__arrow{transform:translate(3px)}.block-cta--large{align-items:center;gap:14px;margin:44px 0 8px;padding:40px 30px;text-align:center}.block-cta--large .block-cta__heading{font-size:clamp(1.3rem,1.15rem + .7vw,1.65rem)}.block-cta--large .block-cta__btn{margin-top:4px;padding:14px 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var(--dur) var(--ease);transition-delay:var(--reveal-delay, 0ms);will-change:opacity,transform}.reveal.is-visible{opacity:1;transform:none}.progress-bar{position:fixed;top:0;left:0;right:0;height:3px;z-index:50;background:transparent;pointer-events:none}.progress-bar__fill{display:block;height:100%;width:0%;background:var(--accent);transform-origin:left center;transition:width 80ms linear}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.progress-bar__fill{transition:none}.sidebar,.scrim,.section-map__link,.section-map__link:before{transition:none!important}}.gate-overlay{position:fixed;inset:0;z-index:200;display:grid;place-items:center;padding:20px;background:#10182873;backdrop-filter:blur(8px) saturate(120%);-webkit-backdrop-filter:blur(8px) saturate(120%);animation:gate-overlay-in .22s var(--ease)}.gate-overlay--closing{animation:gate-overlay-out .22s var(--ease) 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var(--ease)}.gate-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.gate-error{margin:10px 0 0;min-height:1.2em;font-size:.85rem;color:#d92d20}.gate-button{position:relative;margin-top:16px;width:100%;padding:12px 16px;font:inherit;font-weight:600;color:#fff;background:var(--accent);border:0;border-radius:var(--radius-sm);cursor:pointer;transition:filter .16s var(--ease)}.gate-button:hover{filter:brightness(1.05)}.gate-button:disabled{cursor:default}.gate-button--loading .gate-button__label{visibility:hidden}.gate-spinner{display:none;position:absolute;top:50%;left:50%;width:18px;height:18px;margin:-9px 0 0 -9px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:gate-spin .7s linear infinite}.gate-button--loading .gate-spinner{display:block}@keyframes gate-spin{to{transform:rotate(360deg)}}.gate-modal--shake{animation:gate-shake .36s var(--ease)}@keyframes gate-shake{0%,to{transform:translate(0)}20%{transform:translate(-8px)}40%{transform:translate(8px)}60%{transform:translate(-5px)}80%{transform:translate(5px)}}@media(prefers-reduced-motion:reduce){.gate-overlay,.gate-modal,.gate-modal--shake{animation:none}.gate-overlay--closing{animation:none;opacity:0}}