._hero_1ho3e_1{text-align:center;padding-bottom:24px}._line_1ho3e_5{display:block;text-wrap:balance}._line_1ho3e_5[data-follow]{color:var(--muted)}._heroFigure_1ho3e_12{max-width:1080px;margin:0 auto}._chapters_1ho3e_16{display:grid;justify-items:center;gap:14px;margin:72px auto 0;max-width:900px}._chapters_1ho3e_16>span{color:var(--muted);font-size:var(--type-caption);font-weight:var(--weight-caption);letter-spacing:var(--tracking-caption)}._chapters_1ho3e_16 ol{display:flex;flex-wrap:wrap;justify-content:center;gap:4px 6px;margin:0;padding:0;list-style:none}._chapters_1ho3e_16 a{display:inline-flex;align-items:center;min-height:36px;padding:0 12px;border-radius:18px;color:var(--ink);font-size:var(--type-ui);font-weight:var(--weight-ui);letter-spacing:var(--tracking-ui);transition:background .18s ease}._chapters_1ho3e_16 a:hover{background:var(--canvas)}@media(max-width:620px){._heroFigure_1ho3e_12{margin-top:0}._chapters_1ho3e_16{margin-top:48px}._chapters_1ho3e_16 a{font-size:var(--type-caption)}}._chapter_1ho3e_16{margin-top:150px;scroll-margin-top:24px}._chapterHead_1ho3e_68{max-width:920px}._chapterHead_1ho3e_68 h2{font-size:var(--type-h2);font-weight:var(--weight-h2);letter-spacing:var(--tracking-h2);line-height:var(--leading-heading);text-wrap:balance}._chapterGrid_1ho3e_78{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);grid-template-rows:auto 1fr;grid-template-areas:"lead figure" "copy figure";column-gap:clamp(48px,7vw,104px);align-items:start;margin-top:48px}._chapterGrid_1ho3e_78[data-reverse]{grid-template-columns:minmax(0,6fr) minmax(0,5fr);grid-template-areas:"figure lead" "figure copy"}._chapterGrid_1ho3e_78[data-solo]{grid-template-columns:minmax(0,1fr);grid-template-areas:"lead" "copy"}._chapterGrid_1ho3e_78>._lead_1ho3e_101{grid-area:lead}._chapterGrid_1ho3e_78>._figure_1ho3e_104{grid-area:figure}._copy_1ho3e_107{grid-area:copy;min-width:0}._lead_1ho3e_101{max-width:540px;color:var(--muted);font-size:var(--type-lead);font-weight:var(--weight-lead);letter-spacing:var(--tracking-lead);line-height:var(--leading-body);text-wrap:pretty}._prose_1ho3e_120{max-width:540px;margin-top:18px;color:var(--muted);font-size:var(--type-body);font-weight:var(--weight-body);letter-spacing:var(--tracking-body);line-height:var(--leading-body);text-wrap:pretty}._term_1ho3e_130{white-space:nowrap}._figure_1ho3e_104{position:sticky;top:112px;min-width:0}@media(max-height:720px){._figure_1ho3e_104{position:static}}._moreGroup_1ho3e_143{max-width:540px;margin-top:36px;border-bottom:1px solid var(--line)}._more_1ho3e_143{border-top:1px solid var(--line)}._more_1ho3e_143 summary{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:20px;color:var(--ink);font-size:var(--type-body);font-weight:var(--weight-ui);letter-spacing:var(--tracking-body);cursor:pointer;list-style:none}._more_1ho3e_143 summary::-webkit-details-marker{display:none}._more_1ho3e_143 summary svg{flex-shrink:0;color:var(--muted);transition:rotate .2s}._more_1ho3e_143[open] summary svg{rotate:180deg}._more_1ho3e_143>div{display:grid;gap:12px;padding-bottom:24px;color:var(--muted);font-size:var(--type-small);font-weight:var(--weight-small);letter-spacing:var(--tracking-small);line-height:1.7}._more_1ho3e_143>div p{max-width:500px}._more_1ho3e_143>div b{color:var(--ink)}._facts_1ho3e_191{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;max-width:540px;margin:32px 0 0;padding-top:22px;border-top:1px solid var(--line)}._facts_1ho3e_191 dt{color:var(--ink);font-size:var(--type-h4);font-weight:var(--weight-h4);letter-spacing:var(--tracking-h4)}._facts_1ho3e_191 dd{margin:6px 0 0;color:var(--muted);font-size:var(--type-caption);font-weight:var(--weight-caption);letter-spacing:var(--tracking-caption);line-height:1.55}._caveat_1ho3e_214{max-width:540px;margin-top:32px;padding-top:22px;border-top:1px solid var(--line)}._caveat_1ho3e_214 strong{display:block;color:var(--ink);font-size:var(--type-h4);font-weight:var(--weight-h4);letter-spacing:var(--tracking-h4);line-height:var(--leading-title)}._caveat_1ho3e_214 p{margin-top:8px;color:var(--muted);font-size:var(--type-small);font-weight:var(--weight-small);letter-spacing:var(--tracking-small);line-height:var(--leading-body)}._guide_1ho3e_236{margin-top:32px}._guide_1ho3e_236 svg{transition:translate .2s ease}._guide_1ho3e_236:hover svg{translate:3px 0}@media(prefers-reduced-motion:reduce){._guide_1ho3e_236 svg,._more_1ho3e_143 summary svg{transition:none}}@media(max-width:960px){._chapter_1ho3e_16{margin-top:110px}._chapterGrid_1ho3e_78,._chapterGrid_1ho3e_78[data-reverse]{grid-template-columns:minmax(0,1fr);grid-template-rows:none;grid-template-areas:"lead" "figure" "copy"}._chapterGrid_1ho3e_78>._figure_1ho3e_104{margin-block:48px 8px}._figure_1ho3e_104{position:static}}@media(max-width:620px){._chapter_1ho3e_16{margin-top:90px}._facts_1ho3e_191{grid-template-columns:minmax(0,1fr);gap:16px}}._boundary_z8yks_1{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(40px,6vw,88px);margin-top:64px}._ledger_z8yks_7{min-width:0}._ledgerHead_z8yks_10{display:flex;align-items:flex-start;gap:14px;padding-bottom:22px}._ledgerHead_z8yks_10 svg{flex-shrink:0;margin-top:2px}._ledgerHead_z8yks_10 h3{font-size:var(--type-h4);font-weight:var(--weight-h4);letter-spacing:var(--tracking-h4)}._ledgerHead_z8yks_10 p{margin-top:2px;color:var(--muted);font-size:var(--type-small);font-weight:var(--weight-small);letter-spacing:var(--tracking-small)}._ledger_z8yks_7 dl{margin:0}._ledger_z8yks_7 dl>div{display:grid;grid-template-columns:minmax(150px,.38fr) minmax(0,1fr);gap:18px;padding-block:16px;border-top:1px solid var(--line)}._ledger_z8yks_7 dt{color:var(--ink);font-size:var(--type-small);font-weight:var(--weight-strong);letter-spacing:var(--tracking-small)}._ledger_z8yks_7 dd{margin:0;color:var(--muted);font-size:var(--type-small);font-weight:var(--weight-small);letter-spacing:var(--tracking-small);line-height:var(--leading-body)}._blocks_z8yks_56{width:100%;margin-top:56px;border-collapse:collapse;text-align:left}._blocks_z8yks_56 th,._blocks_z8yks_56 td{padding:20px 24px 20px 0;border-top:1px solid var(--line);vertical-align:top;font-size:var(--type-small);font-weight:var(--weight-small);letter-spacing:var(--tracking-small);line-height:var(--leading-body)}._blocks_z8yks_56 thead th{padding-block:0 12px;border-top:0;color:var(--muted);font-size:var(--type-caption);font-weight:var(--weight-caption);letter-spacing:var(--tracking-caption)}._blocks_z8yks_56 tbody th{width:22%;color:var(--ink);font-weight:var(--weight-strong)}._blocks_z8yks_56 ._standard_z8yks_85{width:30%;color:var(--ink);font-size:var(--type-body);font-weight:var(--weight-body);letter-spacing:var(--tracking-body);white-space:nowrap}._blocks_z8yks_56 td:last-child{padding-right:0;color:var(--muted)}._footnote_z8yks_97{max-width:720px;margin-top:28px;color:var(--muted);font-size:var(--type-caption);font-weight:var(--weight-caption);letter-spacing:var(--tracking-caption);line-height:1.65}._limits_z8yks_106{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 clamp(40px,6vw,88px);margin:56px 0 0;padding:0;list-style:none}._limits_z8yks_106 li{padding-block:24px 28px;border-top:1px solid var(--line)}._limits_z8yks_106 strong{display:block;color:var(--ink);font-size:var(--type-h4);font-weight:var(--weight-h4);letter-spacing:var(--tracking-h4);line-height:var(--leading-title)}._limits_z8yks_106 p{max-width:480px;margin-top:8px;color:var(--muted);font-size:var(--type-small);font-weight:var(--weight-small);letter-spacing:var(--tracking-small);line-height:var(--leading-body)}._closing_z8yks_135{display:grid;justify-items:center;padding-block:170px 140px;text-align:center}._closing_z8yks_135 h2{font-size:var(--type-h2);font-weight:var(--weight-h2);letter-spacing:var(--tracking-h2);line-height:var(--leading-heading);text-wrap:balance}._closing_z8yks_135>p{max-width:560px;margin-top:20px;color:var(--muted);font-size:var(--type-lead);font-weight:var(--weight-lead);letter-spacing:var(--tracking-lead);line-height:var(--leading-body)}._actions_z8yks_157{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:14px 28px;margin-top:32px}._actions_z8yks_157 svg{transition:translate .2s ease}._actions_z8yks_157 a:hover svg{translate:3px 0}@media(prefers-reduced-motion:reduce){._actions_z8yks_157 svg{transition:none}}@media(max-width:900px){._boundary_z8yks_1,._limits_z8yks_106{grid-template-columns:minmax(0,1fr)}._boundary_z8yks_1{gap:56px}}@media(max-width:700px){._blocks_z8yks_56 thead{display:none}._blocks_z8yks_56,._blocks_z8yks_56 tbody,._blocks_z8yks_56 tr,._blocks_z8yks_56 th,._blocks_z8yks_56 td{display:block;width:auto}._blocks_z8yks_56 tr{padding-block:18px;border-top:1px solid var(--line)}._blocks_z8yks_56 th,._blocks_z8yks_56 td{padding:0;border-top:0}._blocks_z8yks_56 tbody th{width:auto;color:var(--muted);font-size:13px}._blocks_z8yks_56 ._standard_z8yks_85{width:auto;margin-top:2px;white-space:normal}._blocks_z8yks_56 td:last-child{margin-top:6px}}@media(max-width:620px){._ledger_z8yks_7 dl>div{grid-template-columns:minmax(0,1fr);gap:4px}._closing_z8yks_135{padding-block:120px 100px}}._figure_16lh5_1{--arch-bubble: var(--canvas);--arch-key: #b98a1b;--arch-accent-text: #8c6500;--arch-rule: color-mix(in srgb, var(--ink) 14%, transparent);--arch-stroke: color-mix(in srgb, var(--ink) 52%, transparent);--arch-hatch: color-mix(in srgb, var(--ink) 22%, transparent);--arch-zone: var(--canvas);--arch-grid: color-mix(in srgb, var(--line) 70%, transparent);margin:0;min-width:0}html[data-theme=dark] ._figure_16lh5_1{--arch-bubble: var(--surface-soft);--arch-key: #dec477;--arch-accent-text: #dec477;--arch-grid: color-mix(in srgb, var(--line) 50%, transparent)}._canvas_16lh5_19{position:relative;isolation:isolate;width:100%}._canvas_16lh5_19:before{content:"";position:absolute;z-index:-1;inset:-24px;background:linear-gradient(var(--arch-grid) 1px,transparent 1px) 0 0 / 24px 24px,linear-gradient(90deg,var(--arch-grid) 1px,transparent 1px) 0 0 / 24px 24px;-webkit-mask-image:radial-gradient(closest-side,#000 52%,transparent);mask-image:radial-gradient(closest-side,#000 52%,transparent);pointer-events:none}._canvas_16lh5_19>svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}._passkey_16lh5_42{color:var(--ink);opacity:.72}._label_16lh5_46{position:absolute;display:grid;justify-items:center;gap:3px;transform:translate(-50%);text-align:center;white-space:nowrap;pointer-events:none;transition:opacity .32s ease}._label_16lh5_46[data-align=start]{justify-items:start;transform:none;text-align:left}._label_16lh5_46[data-align=end]{justify-items:end;transform:translate(-100%);text-align:right}._label_16lh5_46[data-valign=middle]{translate:0 -50%}._label_16lh5_46[data-valign=above]{translate:0 -100%}._label_16lh5_46[data-hidden]{opacity:0}._label_16lh5_46[data-dimmed]{opacity:.4}._label_16lh5_46 strong{color:var(--ink);font-size:13px}._label_16lh5_46 small{display:inline-flex;align-items:center;gap:5px;color:var(--muted);font-size:12px;font-weight:var(--weight-caption);letter-spacing:var(--tracking-caption)}._label_16lh5_46[data-keyed] small svg{color:var(--arch-key)}._label_16lh5_46[data-tone=accent] strong{color:var(--arch-accent-text)}._label_16lh5_46[data-tone=tag] strong{color:var(--muted);font-size:11px;font-weight:var(--weight-ui);letter-spacing:.08em;text-transform:uppercase}@media(max-width:620px){._label_16lh5_46 strong{font-size:12px}._label_16lh5_46 small{font-size:11px}}@media(prefers-reduced-motion:reduce){._label_16lh5_46{transition:none}}._rule_16eha_1{fill:none;stroke:var(--arch-rule);stroke-width:1;vector-effect:non-scaling-stroke}._stroke_16eha_7{fill:none;stroke:var(--arch-stroke);stroke-width:1.25;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}._keyPath_16eha_15{fill:none;stroke:var(--arch-key);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}._zone_16eha_23{fill:var(--arch-zone)}._tag_16eha_26{fill:var(--muted);font-family:var(--font-sans);font-size:10px;font-weight:var(--weight-ui);letter-spacing:.08em;text-transform:uppercase}._sheet_16eha_34{fill:var(--paper);stroke:var(--arch-stroke);stroke-width:1.15;vector-effect:non-scaling-stroke}._sealedSheet_16eha_40{fill:var(--arch-zone);stroke:var(--arch-stroke);stroke-opacity:.7;stroke-width:1.15;vector-effect:non-scaling-stroke}._sheetLine_16eha_47{fill:var(--ink);opacity:.2}._sheetLine_16eha_47[data-lead]{opacity:.38}._hatch_16eha_54{stroke:var(--arch-hatch);stroke-width:1.3}._dot_16eha_58{fill:var(--paper);stroke:var(--arch-stroke);stroke-width:1.25;vector-effect:non-scaling-stroke}._dot_16eha_58[data-tone=ink]{fill:var(--ink);stroke:none}._dot_16eha_58[data-tone=key]{fill:var(--arch-key);stroke:none}._verdict_16eha_72{fill:var(--paper);stroke:var(--arch-stroke);stroke-width:1.15;vector-effect:non-scaling-stroke}._verdict_16eha_72[data-ok=true]{fill:var(--ink);stroke:none}._verdictMark_16eha_82{fill:none;stroke:var(--ink);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}._verdictMark_16eha_82[data-ok=true]{stroke:var(--paper)}._journey_1rrz8_1{width:100%}._narrow_1rrz8_4{display:none}._boundary_1rrz8_7{fill:none;stroke:var(--arch-key);stroke-width:1.5;stroke-linecap:round;vector-effect:non-scaling-stroke}._bubble_1rrz8_14{fill:var(--arch-bubble)}._sealed_1rrz8_17{fill:var(--arch-zone);stroke:var(--arch-stroke);stroke-opacity:.7;stroke-width:1.15;vector-effect:non-scaling-stroke}._text_1rrz8_24{fill:var(--ink);opacity:.26}._text_1rrz8_24[data-lead]{opacity:.42}._play_1rrz8_31{fill:var(--ink);opacity:.72}._playMark_1rrz8_35{fill:var(--paper)}@media(max-width:700px){._wide_1rrz8_39{display:none}._narrow_1rrz8_4{display:block;max-width:420px;margin-inline:auto}}._figure_f65k9_1{width:100%;max-width:640px;margin-inline:auto}._narrow_f65k9_6{display:none}@media(max-width:700px){._wide_f65k9_10{display:none}._narrow_f65k9_6{display:block;max-width:420px;margin-inline:auto}}._strand_f65k9_19{fill:none;stroke:color-mix(in srgb,var(--ink) 50%,var(--paper));stroke-width:1.5;stroke-linecap:round;vector-effect:non-scaling-stroke}._tether_f65k9_26{fill:none;stroke:var(--arch-stroke);stroke-width:1;stroke-dasharray:2 4;stroke-linecap:round;vector-effect:non-scaling-stroke}._device_f65k9_34{color:var(--muted)}._diagram_1b69l_1{width:100%}._wide_1b69l_4{max-width:640px;margin-inline:auto}._narrow_1b69l_8{display:none}._boundary_1b69l_11{stroke:color-mix(in srgb,var(--ink) 22%,transparent)}._paper_1b69l_14{fill:var(--paper)}._piece_1b69l_17{fill:none;stroke:var(--arch-stroke);stroke-width:1.15;vector-effect:non-scaling-stroke}._cut_1b69l_23{fill:none;stroke:var(--arch-stroke);stroke-opacity:.45;stroke-width:1;stroke-dasharray:2 3;vector-effect:non-scaling-stroke}._text_1b69l_31{fill:var(--ink);opacity:.2}._text_1b69l_31[data-lead]{opacity:.4}._sealedIcon_1b69l_38{fill:var(--arch-zone);stroke:var(--arch-stroke);stroke-opacity:.7;stroke-width:1.15;stroke-linejoin:round;vector-effect:non-scaling-stroke}._fold_1b69l_46{fill:none;stroke:var(--arch-stroke);stroke-opacity:.7;stroke-width:1.15;stroke-linejoin:round;vector-effect:non-scaling-stroke}._frame_1b69l_54{fill:none;stroke:var(--arch-stroke);stroke-opacity:.55;stroke-width:1;vector-effect:non-scaling-stroke}._scar_1b69l_61{fill:none;stroke:var(--ink);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}@media(max-width:700px){._wide_1b69l_4{display:none}._narrow_1b69l_8{display:block;max-width:420px;margin-inline:auto}}._figure_2f2ub_1{width:100%;max-width:640px;margin-inline:auto}._narrow_2f2ub_6{display:none}@media(max-width:700px){._wide_2f2ub_10{display:none}._narrow_2f2ub_6{display:block;max-width:420px;margin-inline:auto}}._track_2f2ub_19,._spare_2f2ub_20{fill:none;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}._track_2f2ub_19{stroke:var(--arch-stroke);stroke-width:2}._spare_2f2ub_20{stroke:var(--arch-rule);stroke-width:2;stroke-dasharray:2 5}._terminal_2f2ub_35{fill:var(--paper);stroke:var(--ink);stroke-opacity:.62;stroke-width:1.4;vector-effect:non-scaling-stroke}._keyToken_2f2ub_42,._linkToken_2f2ub_43{fill:var(--paper);stroke-width:1.25;vector-effect:non-scaling-stroke}._keyToken_2f2ub_42{stroke:var(--arch-key)}._linkToken_2f2ub_43{stroke:var(--arch-stroke)}._glyph_2f2ub_54{color:var(--ink);opacity:.68}._figure_1wqgr_1{max-width:600px}._lockMark_1wqgr_4{fill:none;stroke:var(--ink);stroke-width:2;stroke-linecap:round;vector-effect:non-scaling-stroke}._diagram_1p7w3_1{width:100%}._wide_1p7w3_4{max-width:640px;margin-inline:auto}._narrow_1p7w3_8{display:none}._paper_1p7w3_11{fill:var(--paper);stroke:var(--arch-stroke);stroke-width:1.15;vector-effect:non-scaling-stroke}._heading_1p7w3_17{fill:var(--ink);opacity:.42}._line_1p7w3_21{fill:var(--ink);opacity:.2}._editedLine_1p7w3_25{fill:var(--ink);opacity:.5}._edit_1p7w3_25,._difference_1p7w3_30{fill:var(--amber-light)}._ink_1p7w3_33{fill:none;stroke:var(--ink);stroke-opacity:.78;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}._filled_1p7w3_42{fill:var(--ink);opacity:.66}._empty_1p7w3_46{fill:none;stroke:var(--arch-rule);stroke-width:1;vector-effect:non-scaling-stroke}@media(max-width:700px){._wide_1p7w3_4{display:none}._narrow_1p7w3_8{display:block;max-width:420px;margin-inline:auto}}