@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/ba9851c3c22cd980-s.woff2) format("woff2");unicode-range:u+0460-052f,u+1c80-1c8a,u+20b4,u+2de0-2dff,u+a640-a69f,u+fe2e-fe2f}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/21350d82a1f187e9-s.woff2) format("woff2");unicode-range:u+0301,u+0400-045f,u+0490-0491,u+04b0-04b1,u+2116}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/c5fe6dc8356a8c31-s.woff2) format("woff2");unicode-range:u+1f??}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/19cfc7226ec3afaa-s.woff2) format("woff2");unicode-range:u+0370-0377,u+037a-037f,u+0384-038a,u+038c,u+038e-03a1,u+03a3-03ff}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/df0a9ae256c0569c-s.woff2) format("woff2");unicode-range:u+0102-0103,u+0110-0111,u+0128-0129,u+0168-0169,u+01a0-01a1,u+01af-01b0,u+0300-0301,u+0303-0304,u+0308-0309,u+0323,u+0329,u+1ea0-1ef9,u+20ab}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/8e9860b6e62d6359-s.woff2) format("woff2");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,u+1d00-1dbf,u+1e00-1e9f,u+1ef2-1eff,u+2020,u+20a0-20ab,u+20ad-20c0,u+2113,u+2c60-2c7f,u+a720-a7ff}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/e4af272ccee01ff0-s.p.woff2) format("woff2");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,u+2000-206f,u+20ac,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}@font-face{font-family:Inter Fallback;src:local("Arial");ascent-override:90.44%;descent-override:22.52%;line-gap-override:0.00%;size-adjust:107.12%}.__className_f367f3{font-family:Inter,Inter Fallback;font-style:normal}.__variable_f367f3{--font-inter:"Inter","Inter Fallback"}:root{--ink:#1d1d1f;--ink-2:#6e6e73;--ink-3:#86868b;--paper:#ffffff;--paper-2:#f5f5f7;--rule:#d2d2d7;--night:#000000;--night-2:#161617;--night-ink:#f5f5f7;--night-ink-2:#a1a1a6;--link:#0066cc;--link-night:#2997ff;--ready:#1a7f37;--ready-bg:#e3f5e8;--assist:#b25000;--assist-bg:#fff1e0;--notyet:#c9302c;--notyet-bg:#fde8e7;--unmeasured:#6e6e73;--unmeasured-bg:#ececef;--font:-apple-system,BlinkMacSystemFont,"SF Pro Display",var(--font-inter),"Helvetica Neue",Helvetica,Arial,sans-serif;--mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;--wrap:980px;--wide:1200px}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.47;letter-spacing:-.022em;-webkit-font-smoothing:antialiased}a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}code,pre{font-family:var(--mono);font-size:13px;letter-spacing:0}.wrap{max-width:var(--wrap)}.wide,.wrap{margin:0 auto;padding:0 22px}.wide{max-width:var(--wide)}.nav{position:-webkit-sticky;position:sticky;top:0;z-index:50;background:rgba(251,251,253,.8);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid rgba(0,0,0,.08)}.nav-in{max-width:var(--wrap);margin:0 auto;padding:0 22px;height:44px;display:flex;align-items:center;justify-content:space-between}.brand{font-weight:600;font-size:17px;color:var(--ink);letter-spacing:-.02em}.brand:hover{text-decoration:none}.nav-links{display:flex;gap:28px;font-size:12px}.nav-links a{color:rgba(0,0,0,.8)}.nav-links a:hover{color:var(--ink);text-decoration:none}.eyebrow{font-size:21px;font-weight:600;letter-spacing:.011em;margin:0 0 6px}.headline{font-size:clamp(44px,8vw,96px);line-height:1.04;letter-spacing:-.015em;margin:0}.h2,.headline{font-weight:700}.h2{font-size:clamp(32px,5vw,56px);line-height:1.07;letter-spacing:-.005em;margin:0 0 18px}.h3{font-size:28px;line-height:1.14;font-weight:600;letter-spacing:.007em;margin:0 0 10px}.lede{font-size:clamp(19px,2.4vw,28px);line-height:1.25;font-weight:400;letter-spacing:.004em;color:var(--ink-2);margin:18px 0 0}.body-l{font-size:21px;line-height:1.38;letter-spacing:.011em}.muted{color:var(--ink-2)}.small{font-size:14px;line-height:1.43;letter-spacing:-.016em}.tiny{font-size:12px;line-height:1.33;letter-spacing:-.01em;color:var(--ink-3)}.center{text-align:center}.num{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.section{padding:100px 0}.section.tight{padding:64px 0}.alt{background:var(--paper-2)}.dark{background:var(--night);color:var(--night-ink)}.dark .lede,.dark .muted{color:var(--night-ink-2)}.dark a{color:var(--link-night)}.hero{padding:120px 0 0;text-align:center;overflow:hidden}.hero .lede{max-width:760px;margin-left:auto;margin-right:auto}.hero-art{display:block;width:100%;max-width:1100px;height:auto;margin:56px auto 0}.cta{display:flex;gap:28px;justify-content:center;margin-top:28px;font-size:21px}.cta a:after{content:" ›"}.table-wrap{overflow-x:auto;margin-top:32px;-webkit-overflow-scrolling:touch}table.grid{width:100%;border-collapse:collapse;font-size:14px}table.grid th{text-align:left;font-weight:600;color:var(--ink-2);font-size:12px;padding:10px 12px;border-bottom:1px solid var(--rule);white-space:nowrap}table.grid td{padding:12px;border-bottom:1px solid #e8e8ed;vertical-align:middle}table.grid td.c,table.grid th.c{text-align:center}table.grid tr:last-child td{border-bottom:0}footer.foot{background:var(--paper-2);color:var(--ink-3);font-size:12px;padding:28px 0 40px;border-top:1px solid var(--rule)}footer.foot p{margin:6px 0}@media (max-width:860px){.nav-links{gap:18px}}@media (max-width:640px){.nav-in{gap:12px}.brand,.nav-links{white-space:nowrap}.nav-links{overflow-x:auto;min-width:0;scrollbar-width:none}}@media (max-width:560px){.section{padding:72px 0}.hero{padding-top:80px}}.th-bar{position:-webkit-sticky;position:sticky;top:44px;z-index:30;background:rgba(251,251,253,.78);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid rgba(0,0,0,.08)}.th-bar-in{max-width:var(--wide);margin:0 auto;padding:10px 16px;display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap}.th-seg{display:inline-flex;background:#e8e8ed;padding:3px;overflow-x:auto;max-width:100%}.th-seg,.th-seg a{border-radius:999px}.th-seg a{padding:6px 14px;font-size:13px;color:var(--ink);text-decoration:none;white-space:nowrap;transition:background .2s,box-shadow .2s}.th-seg a.on{background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.12);font-weight:600}.th-src{display:flex;gap:12px;flex-wrap:wrap}.th-select{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:var(--ink-2)}.th-select select{font:inherit;font-size:13px;color:var(--ink);background:#fff;border:1px solid var(--rule);border-radius:10px;padding:6px 10px;max-width:320px}.th-intro{padding-top:48px;padding-bottom:8px}.th-layer{padding:88px 0 72px;scroll-margin-top:100px}.th-layer.dark{background:#000;color:var(--night-ink)}.th-layer.dark .eyebrow,.th-layer.dark .th-prov{color:var(--night-ink-2)}.th-h{margin:4px 0 10px}.th-lede{max-width:720px}.th-prov{color:var(--ink-3);max-width:760px;margin-bottom:28px}.th-stage{max-width:var(--wide);margin:0 auto;padding:0 16px}.th-card{border-radius:28px;overflow:hidden;background:#f5f5f7}.th-card.dark{background:radial-gradient(120% 120% at 50% 0,#1c1c1e 0,#000 70%)}.th-card.board{background:#fff;box-shadow:0 20px 60px rgba(0,0,0,.1)}.th-scroll{overflow-x:auto;padding:18px}.th-scroll svg{display:block;margin:0 auto}.th-table{margin-top:24px}.th-table td,.th-table th{font-size:13px}.th-row-on td{background:#e8f2fd}.th-row-bad td:first-child{box-shadow:inset 3px 0 0 #e5484d}.th-swatch{display:inline-block;width:22px;height:8px;border-radius:4px;margin-right:8px;vertical-align:middle;border:1px solid rgba(0,0,0,.15)}.th-inspector{position:fixed;right:20px;bottom:20px;z-index:40;width:min(360px,calc(100vw - 32px));background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(24px);-webkit-backdrop-filter:saturate(180%) blur(24px);border:1px solid rgba(0,0,0,.08);border-radius:18px;box-shadow:0 12px 40px rgba(0,0,0,.18);padding:14px 16px;transform:translateY(16px);opacity:0;pointer-events:none;transition:opacity .25s,transform .25s}.th-inspector.show{opacity:1;transform:none;pointer-events:auto}.th-insp-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:6px;font-size:15px}.th-insp-head button{border:0;background:#e8e8ed;border-radius:999px;width:26px;height:26px;font-size:16px;line-height:1;cursor:pointer;color:var(--ink)}.th-inspector p{margin:3px 0;font-size:13px;color:var(--ink-2)}.th-inspector p.bad{color:#c9302c;font-weight:600}@media (max-width:640px){.th-layer{padding:56px 0 40px}.th-scroll{padding:10px}.th-card{border-radius:18px}}.th-zoom{display:flex;justify-content:flex-end;gap:4px;margin:0 4px 10px}.th-zoom button{font:inherit;font-size:13px;border:0;background:#e8e8ed;color:var(--ink);padding:6px 14px;border-radius:999px;cursor:pointer}.th-zoom button.on{background:var(--ink);color:#fff}@media (max-width:640px){.th-bar{position:static}.th-select{width:100%}.th-select span{min-width:64px}.th-select select{flex:1 1;max-width:none}.th-src{width:100%}}.th-seg button{font:inherit;font-size:13px;color:var(--ink);background:transparent;border:0;padding:6px 14px;border-radius:999px;cursor:pointer;white-space:nowrap;transition:background .2s,box-shadow .2s}.th-seg button.on{background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.12);font-weight:600}.th-seg-strong{background:#1d1d1f}.th-seg-strong button{color:#f5f5f7}.th-seg-strong button.on{background:#fff;color:var(--ink)}.th-chooser{justify-content:flex-start;gap:12px;padding-bottom:0}.th-step{font-size:12px;margin-left:6px}.th-hint,.th-step{color:var(--ink-3)}.th-hint{font-weight:400}@media (max-width:640px){.th-step{display:none}.th-chooser .th-seg{max-width:100%}}.th-checks{padding-top:28px;padding-bottom:8px}.th-checks-head{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;margin-bottom:14px}.th-checks-head .ok{color:var(--ready)}.th-checks-head .err{color:var(--notyet)}.th-checks-head .warn{color:var(--assist)}.th-checks-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));grid-gap:14px;gap:14px}.th-check-col{padding:4px 0 0}.th-check-layer{font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin:0 0 8px}.th-check{border-radius:10px}.th-check+.th-check{margin-top:4px}.th-check-row{width:100%;display:flex;gap:10px;align-items:baseline;text-align:left;font:inherit;background:transparent;border:0;border-top:1px solid var(--rule);padding:8px 2px;cursor:pointer}.th-check-title{font-size:12.5px;color:var(--ink)}.th-status{flex:none;width:92px;font-size:11.5px;font-weight:600}.th-status i{font-style:normal;display:inline-block;width:14px}.th-status.s-pass{color:var(--ready)}.th-status.s-error{color:var(--notyet)}.th-status.s-warning{color:var(--assist)}.th-status.s-note{color:#0060c0}.th-status.s-skip{color:var(--unmeasured);font-weight:500}.th-check-body{padding:6px 9px 10px}.th-rule-id{font-family:var(--mono);color:var(--ink-3)}.th-finding{display:block;width:100%;text-align:left;font:inherit;font-size:12px;background:transparent;border:0;border-left:2px solid var(--rule);padding:4px 8px;margin:3px 0;cursor:pointer;color:var(--ink)}.th-finding:hover{border-left-color:var(--link);background:#fff}.th-layer-checks{color:var(--ink-3);margin:-18px 0 24px}.th-layer.dark .th-layer-checks{color:var(--night-ink-2)}.th-maint{display:grid;grid-template-columns:1.1fr 1.2fr 1fr;grid-gap:16px;gap:16px}@media (max-width:900px){.th-maint{grid-template-columns:1fr}}.th-maint-col{background:var(--paper-2);border-radius:14px;padding:16px;min-width:0}.th-maint-group{margin-bottom:10px}.th-maint-gname{display:flex;gap:8px;align-items:center;font-size:13px;font-weight:600;cursor:pointer}.th-maint-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));grid-gap:2px 12px;gap:2px 12px;margin:4px 0 0 22px}.th-maint-item{display:flex;gap:6px;align-items:center;font-size:12.5px;color:var(--ink-2);cursor:pointer;padding:2px 0}.th-maint-item input:checked+*,.th-maint-item:has(input:checked){color:var(--notyet)}.th-maint-assume{display:flex;gap:8px;align-items:center;font-size:12.5px;margin-top:12px;color:var(--ink-2)}.th-maint-clear{font:inherit;font-size:12px;background:transparent;border:0;color:var(--link);cursor:pointer;padding:6px 0}.th-fault{display:block;width:100%;text-align:left;font:inherit;background:#fff;border:0;border-left:3px solid var(--notyet);border-radius:10px;padding:9px 12px;margin-bottom:8px;cursor:pointer}.th-fault b{display:block;font-size:13px;color:var(--ink)}.th-fault span{display:block;font-size:12px;color:var(--ink-2);margin-top:2px}.th-fault.partial{border-left-color:var(--assist)}.th-fault.found{border-left-color:var(--ready)}.th-proc-q{font-size:17px;font-weight:600;line-height:1.35;margin:4px 0 10px}.th-proc-btns{display:flex;gap:8px;margin:8px 0}.th-proc-btns button{font:inherit;font-size:14px;font-weight:600;padding:8px 22px;border-radius:8px;border:0;cursor:pointer;background:var(--ink);color:#fff}.th-proc-btns button+button{background:#e8e8ed;color:var(--ink)}.th-proc-show{font:inherit;font-size:12.5px;background:transparent;border:0;padding:0;color:var(--link);cursor:pointer}.th3d{position:relative;height:min(72vh,680px)}.th3d-host{position:absolute;inset:0}.th3d-host canvas{display:block}.th3d-labels{position:absolute;inset:0}.th3d-label{font-size:11px;color:#f5f5f7;background:rgba(28,28,30,.82);border:1px solid rgba(255,255,255,.14);border-radius:8px;padding:3px 8px;pointer-events:none;white-space:nowrap}.th3d-label.unit{font-size:12px}.th3d-label b{display:block;font-weight:600}.th3d-label span{color:#a1a1a6;font-size:10.5px}.th3d-bar{position:absolute;left:16px;right:16px;bottom:14px;display:flex;gap:14px;align-items:center;flex-wrap:wrap;font-size:12px;color:#a1a1a6;pointer-events:none}.th3d-bar>*{pointer-events:auto}.th3d-bar>span{pointer-events:none;flex:1 1 260px}.th3d-bar label{display:flex;gap:8px;align-items:center}.th3d-bar button{font:inherit;font-size:12px;color:#2997ff;background:transparent;border:0;padding:0;cursor:pointer}.ee-hero{padding:120px 0 72px;text-align:center}.ee-hero .lede{max-width:760px;margin:20px auto 0}.ee-cta{margin-top:28px;font-size:21px;display:flex;gap:28px;justify-content:center}.ee-cta a:after{content:" ›"}.ee-rows{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));grid-gap:44px 56px;gap:44px 56px}.ee-rows h3{font-size:21px;margin:0 0 6px;letter-spacing:0}.ee-rows p{margin:0;color:var(--ink-2);font-size:15px}.ee-status{border-top:1px solid var(--rule);padding-top:12px;margin-top:8px}.ee-status dt{font-weight:600;margin-top:16px}.ee-status dd{margin:2px 0 0;color:var(--ink-2);font-size:15px}