:root{--bg: #03060D;--bg-raised: #080E1C;--bg-elevated: #0E1729;--bg-inset: #02050B;--line: #1A2742;--line-soft: #111B2F;--line-strong: #2B3C63;--fg: #F2F6FF;--fg-dim: #9FB0CE;--fg-faint: #64748F;--flow: #4D8DFF;--flow-bright: #9CC6FF;--flow-deep: #1B47B0;--violet: #8B6CFF;--violet-bright: #B9A5FF;--cyan: #3FE0F0;--flow-glow: rgba(77, 141, 255, .55);--violet-glow: rgba(139, 108, 255, .45);--allow: #2DE0A0;--hold: #FFB83D;--block: #FF6B7A;--brand-sweep: linear-gradient(104deg, var(--flow-bright) 4%, var(--flow) 38%, var(--violet) 86%);--font-display: "Bricolage Grotesque", "Geist", ui-sans-serif, system-ui, sans-serif;--font-sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;--t-display: clamp(2.9rem, 6.6vw, 5.4rem);--t-h1: clamp(2.3rem, 4.8vw, 3.6rem);--t-h2: clamp(1.8rem, 3.4vw, 2.6rem);--t-h3: 1.25rem;--t-lead: clamp(1.0625rem, 1.5vw, 1.1875rem);--t-body: 1rem;--t-small: .875rem;--t-micro: .75rem;--t-label: .6875rem;--s-1: .25rem;--s-2: .5rem;--s-3: .75rem;--s-4: 1rem;--s-5: 1.5rem;--s-6: 2rem;--s-7: 3rem;--s-8: 4rem;--s-9: 6rem;--s-10: 8rem;--section-y: clamp(4rem, 9vw, 8rem);--gutter: clamp(1.25rem, 4vw, 3rem);--max: 76rem;--measure: 38rem;--radius: 6px;--radius-lg: 14px;--ease: cubic-bezier(.22, .61, .36, 1);--ease-out: cubic-bezier(.16, 1, .3, 1);--t-fast: .14s;--t-base: .28s;--t-slow: .62s;--t-flow: 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var(--ease),color var(--t-fast) var(--ease),transform var(--t-fast) var(--ease);white-space:nowrap}.btn:active{transform:translateY(1px)}.btn--primary{background:var(--brand-sweep);color:#05091a;border-color:transparent;box-shadow:0 0 0 1px #9cc6ff47,0 10px 34px -12px var(--flow-glow);font-weight:600}.btn--primary:hover{filter:brightness(1.12);box-shadow:0 0 0 1px #9cc6ff66,0 14px 40px -12px var(--flow-glow)}.btn--ghost{border-color:var(--line-strong);color:var(--fg)}.btn--ghost:hover{border-color:var(--fg-faint);background:var(--bg-elevated)}.btn--quiet{color:var(--fg-dim);padding-inline:var(--s-2)}.btn--quiet:hover{color:var(--fg)}.btn--lg{padding:.85rem 1.5rem;font-size:var(--t-body)}.btn[disabled],.btn[aria-disabled=true]{opacity:.5;pointer-events:none}.reveal,.rise{opacity:1;transform:none}@media(prefers-reduced-motion:no-preference){.rise{animation:rise var(--t-slow) var(--ease-out) backwards}@keyframes rise{0%{opacity:0;transform:translateY(14px)}}.js .reveal{opacity:0;transform:translateY(12px);transition:opacity var(--t-slow) var(--ease-out),transform var(--t-slow) var(--ease-out)}.js .reveal.is-in{opacity:1;transform:none}}.field{display:flex;flex-direction:column;gap:var(--s-2)}.field>label{font-size:var(--t-small);font-weight:500;color:var(--fg)}.field .hint{font-size:var(--t-micro);color:var(--fg-faint)}.input,.textarea,.select{width:100%;background:var(--bg-inset);border:1px solid var(--line);border-radius:var(--radius);padding:.7rem .85rem;color:var(--fg);font-size:var(--t-small);transition:border-color var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease)}.input::-moz-placeholder,.textarea::-moz-placeholder{color:var(--fg-faint)}.input::placeholder,.textarea::placeholder{color:var(--fg-faint)}.input:focus,.textarea:focus,.select:focus{outline:none;border-color:var(--flow);box-shadow:0 0 0 3px #4d8dff24}.textarea{min-height:6.5rem;resize:vertical;line-height:1.55}.select{-webkit-appearance:none;-moz-appearance:none;appearance:none;cursor:pointer;background-image:linear-gradient(45deg,transparent 50%,var(--fg-faint) 50%),linear-gradient(135deg,var(--fg-faint) 50%,transparent 50%);background-position:calc(100% - 18px) 50%,calc(100% - 13px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat}.field--invalid .input,.field--invalid .textarea,.field--invalid .select{border-color:var(--block)}.field .error{font-size:var(--t-micro);color:var(--block)}.grid{display:grid;gap:var(--s-5)}@media(min-width:46rem){.grid--2,.grid--3{grid-template-columns:repeat(2,1fr)}}@media(min-width:64rem){.grid--3{grid-template-columns:repeat(3,1fr)}.grid--4{grid-template-columns:repeat(4,1fr)}}@media(min-width:46rem)and (max-width:63.99rem){.grid--4{grid-template-columns:repeat(2,1fr)}}.center{text-align:center}.center .measure{margin-inline:auto}.rel{position:relative;z-index:1}.scroll-x{overflow-x:auto}.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{position:absolute;left:var(--s-4);top:-4rem;z-index:100;background:var(--bg-elevated);border:1px solid var(--line-strong);padding:var(--s-3) var(--s-4);border-radius:var(--radius);transition:top var(--t-fast) var(--ease)}.skip:focus{top:var(--s-4)}.nav{position:sticky;top:0;z-index:50;transition:background-color var(--t-base) var(--ease),border-color var(--t-base) var(--ease),backdrop-filter var(--t-base) var(--ease);border-bottom:1px solid transparent}.nav--scrolled{background:#050912eb;backdrop-filter:saturate(150%) blur(16px);-webkit-backdrop-filter:saturate(150%) 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var(--line);border-radius:var(--radius-lg);padding:var(--s-2);box-shadow:0 24px 60px -24px #000c;display:grid;gap:2px}@media(prefers-reduced-motion:no-preference){.nav__menu{animation:menu-in var(--t-base) var(--ease-out)}@keyframes menu-in{0%{opacity:0;transform:translateY(-5px)}}}.nav__item{display:grid;gap:2px;padding:var(--s-3);border-radius:var(--radius);transition:background-color var(--t-fast) var(--ease)}.nav__item:hover{background:#ffffff0a}.nav__item-label{font-size:var(--t-small);color:var(--fg);font-weight:500}.nav__item-note{font-size:var(--t-micro);color:var(--fg-faint)}.nav__actions{display:none;align-items:center;gap:var(--s-3);margin-inline-start:auto}@media(min-width:62rem){.nav__actions{display:flex}}.nav__signin{font-size:var(--t-small)}.nav__burger{margin-inline-start:auto;width:40px;height:40px;display:inline-grid;place-items:center;border:1px solid var(--line);border-radius:var(--radius)}@media(min-width:62rem){.nav__burger{display:none}}.nav__burger span{position:relative;width:16px;height:1.5px;background:var(--fg);display:block;transition:background-color var(--t-fast) var(--ease)}.nav__burger span:before,.nav__burger span:after{content:"";position:absolute;left:0;width:16px;height:1.5px;background:var(--fg);transition:transform var(--t-base) var(--ease)}.nav__burger span:before{top:-5px}.nav__burger span:after{top:5px}.nav__burger span[data-open=yes]{background:transparent}.nav__burger span[data-open=yes]:before{transform:translateY(5px) rotate(45deg)}.nav__burger span[data-open=yes]:after{transform:translateY(-5px) rotate(-45deg)}.nav__sheet{position:fixed;inset:64px 0 0;z-index:49;background:var(--bg);border-top:1px solid var(--line-soft);padding-block:var(--s-6) var(--s-8);overflow-y:auto}.nav__sheet-link{display:grid;gap:2px;padding-block:var(--s-2);font-size:1.0625rem;color:var(--fg)}.section--line{position:relative}.section--line:before{content:"";position:absolute;inset-inline:0;top:-1px;height:1px;background:linear-gradient(90deg,transparent,var(--flow) 20%,var(--violet) 62%,transparent 88%);opacity:.35}.foot{border-top:1px solid var(--line-soft);padding-block:var(--s-8) var(--s-6);background:var(--bg-raised)}.foot__top{display:grid;gap:var(--s-7);margin-bottom:var(--s-8)}@media(min-width:62rem){.foot__top{grid-template-columns:1fr 2fr;gap:var(--s-8)}}.foot__cols{display:grid;gap:var(--s-6);grid-template-columns:repeat(2,1fr)}@media(min-width:46rem){.foot__cols{grid-template-columns:repeat(4,1fr)}}.foot__link{font-size:var(--t-small);color:var(--fg-dim);transition:color var(--t-fast) var(--ease)}.foot__link:hover{color:var(--fg)}.foot__base{display:flex;flex-wrap:wrap;gap:var(--s-3) var(--s-6);justify-content:space-between;padding-top:var(--s-5)}.page-head{display:grid;gap:var(--s-4);margin-bottom:var(--s-7)}.page-head .lead{max-width:var(--measure)}.hero{position:relative;padding-block:clamp(3rem,7vw,6rem) clamp(3.5rem,8vw,7rem);overflow:hidden}.hero__grid{display:grid;gap:var(--s-7);align-items:center}@media(min-width:64rem){.hero__grid{grid-template-columns:1fr 1.05fr;gap:var(--s-8)}}.hero__glow{width:52rem;height:40rem;top:-18rem;right:-14rem;background:radial-gradient(circle,rgba(77,141,255,.46),rgba(77,141,255,.1) 45%,transparent 70%);filter:blur(90px)}.hero__glow--low{width:44rem;height:34rem;bottom:-20rem;left:-12rem;background:radial-gradient(circle,rgba(139,108,255,.38),rgba(139,108,255,.08) 48%,transparent 72%);filter:blur(100px)}.hero__glow--spark{width:22rem;height:22rem;top:2rem;right:12rem;background:radial-gradient(circle,rgba(63,224,240,.2),transparent 62%);filter:blur(70px)}.stat-row{display:grid;gap:var(--s-5);grid-template-columns:repeat(2,1fr)}@media(min-width:52rem){.stat-row{grid-template-columns:repeat(4,1fr)}}.stat{display:grid;gap:var(--s-1)}.stat__n{font-family:var(--font-mono);font-size:clamp(1.5rem,2.6vw,2rem);font-weight:500;letter-spacing:-.02em;color:var(--fg);font-variant-numeric:tabular-nums}.stat__l{font-size:var(--t-micro);color:var(--fg-faint);line-height:1.4}.card{background:var(--bg-raised);border:1px solid var(--line);border-radius:var(--radius-lg);padding:var(--s-5);display:grid;gap:var(--s-3);align-content:start;transition:border-color var(--t-base) var(--ease),background-color var(--t-base) var(--ease)}.card--link:hover{border-color:var(--line-strong);background:var(--bg-elevated)}.card__icon{width:34px;height:34px;color:var(--flow)}.list{display:grid;gap:var(--s-3)}.list li{position:relative;padding-left:calc(5px + var(--s-3));font-size:var(--t-small);color:var(--fg-dim);line-height:1.65;text-wrap:pretty}.list li:before{content:"";position:absolute;left:0;top:.62em;width:5px;height:5px;border-radius:50%;background:var(--flow)}.code{background:var(--bg-inset);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}.code__bar{display:flex;align-items:center;gap:var(--s-3);padding:var(--s-3) var(--s-4);border-bottom:1px solid var(--line-soft);font-family:var(--font-mono);font-size:var(--t-micro);color:var(--fg-faint)}.code pre{margin:0;padding:var(--s-4);overflow-x:auto;font-family:var(--font-mono);font-size:.8125rem;line-height:1.75;color:var(--fg-dim)}.code .k{color:var(--flow-bright)}.code .s{color:var(--allow)}.code .c{color:var(--fg-faint)}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-lg)}table.data{width:100%;border-collapse:collapse;font-size:var(--t-small);min-width:40rem}table.data th{text-align:left;font-family:var(--font-mono);font-weight:500;font-size:var(--t-label);letter-spacing:.14em;text-transform:uppercase;color:var(--fg-faint);padding:var(--s-4);border-bottom:1px solid var(--line);white-space:nowrap;background:var(--bg-inset)}table.data td{padding:var(--s-4);border-bottom:1px solid var(--line-soft);vertical-align:top;color:var(--fg-dim)}table.data tr:last-child td{border-bottom:0}table.data td.mono{color:var(--fg);white-space:nowrap}table.data td.ok{color:var(--allow);white-space:nowrap}table.data td.part{color:var(--hold);white-space:nowrap}.lifecycle{display:grid;gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);border-radius:var(--radius-lg);overflow:hidden}@media(min-width:52rem){.lifecycle{grid-template-columns:repeat(2,1fr)}}@media(min-width:76rem){.lifecycle{grid-template-columns:repeat(4,1fr)}}.lifecycle__item{background:var(--bg-raised);padding:var(--s-5);display:grid;gap:var(--s-3);align-content:start;height:100%;transition:background-color var(--t-base) var(--ease)}.lifecycle li:hover .lifecycle__item{background:var(--bg-elevated)}.lifecycle__n{font-size:var(--t-micro);color:var(--flow);letter-spacing:.1em}.limit-item{border-top:1px solid var(--line);padding-top:var(--s-4);display:grid;gap:var(--s-2)}.doors{align-items:stretch}.door{height:100%;background:var(--bg-raised);border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(1.5rem,3vw,2.25rem);display:grid;gap:var(--s-3);align-content:start}.door--now{background:radial-gradient(120% 90% at 0% 0%,rgba(77,141,255,.1),transparent 62%),var(--bg-elevated);border-color:var(--line-strong)}.form{display:grid;gap:var(--s-5)}.form__row{display:grid;gap:var(--s-4)}@media(min-width:46rem){.form__row--2{grid-template-columns:repeat(2,1fr)}}.trap{position:absolute!important;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}.form__status{display:grid;gap:var(--s-2);padding:var(--s-4);border-radius:var(--radius);font-size:var(--t-small)}.form__status--error{background:#ff6b7a14;border:1px solid rgba(255,107,122,.3);color:var(--block)}.form__status--ok{background:#35d6a014;border:1px solid rgba(53,214,160,.3);color:var(--allow)}.success{display:grid;gap:var(--s-4);place-items:start}.success__mark{width:48px;height:48px;color:var(--allow)}.fourohfour{min-height:68vh;display:grid;place-items:center;text-align:center;position:relative;overflow:hidden}.fourohfour__n{font-family:var(--font-mono);font-size:clamp(5rem,18vw,11rem);font-weight:500;letter-spacing:-.05em;line-height:1;color:transparent;-webkit-text-stroke:1px var(--line-strong)}.steps{display:grid;gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);border-radius:var(--radius-lg);overflow:hidden}.step{background:var(--bg-raised);padding:var(--s-5);display:grid;grid-template-columns:auto 1fr;gap:var(--s-5);align-items:start;transition:background-color var(--t-base) var(--ease)}.steps li:hover .step{background:var(--bg-elevated)}.step__n{font-size:var(--t-small);color:var(--flow);letter-spacing:.08em;padding-top:.15em}@media(max-width:40rem){.step{grid-template-columns:1fr;gap:var(--s-3)}}.backdrop{position:absolute;inset:0;z-index:0;overflow:hidden;pointer-events:none}.backdrop img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;opacity:.62;-webkit-mask-image:radial-gradient(125% 105% at 76% 16%,#000 14%,transparent 74%);mask-image:radial-gradient(125% 105% at 76% 16%,#000 14%,transparent 74%)}.backdrop:after{content:"";position:absolute;inset:0;background:linear-gradient(97deg,var(--bg) 4%,rgba(3,6,13,.86) 34%,rgba(3,6,13,.3) 76%,rgba(3,6,13,.18) 100%),linear-gradient(180deg,rgba(3,6,13,.35) 0%,transparent 26%,transparent 64%,var(--bg) 100%)}.backdrop--left img{-webkit-mask-image:radial-gradient(120% 105% at 22% 26%,#000 12%,transparent 72%);mask-image:radial-gradient(120% 105% at 22% 26%,#000 12%,transparent 72%)}.backdrop--left:after{background:linear-gradient(263deg,var(--bg) 4%,rgba(3,6,13,.86) 34%,rgba(3,6,13,.3) 76%,rgba(3,6,13,.18) 100%),linear-gradient(180deg,rgba(3,6,13,.35) 0%,transparent 26%,transparent 64%,var(--bg) 100%)}.backdrop--wide img{opacity:.38;-webkit-mask-image:linear-gradient(180deg,transparent,#000 30%,#000 64%,transparent);mask-image:linear-gradient(180deg,transparent,#000 30%,#000 64%,transparent)}.backdrop--wide:after{background:linear-gradient(90deg,var(--bg) 0%,rgba(3,6,13,.55) 26%,rgba(3,6,13,.55) 74%,var(--bg) 100%),linear-gradient(180deg,var(--bg) 0%,transparent 22%,transparent 70%,var(--bg) 100%)}.backdrop--soft img{opacity:.34}.section--bg{overflow:hidden;isolation:isolate}.figure{display:grid;gap:var(--s-4)}.figure__frame{border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:var(--bg-inset);box-shadow:0 0 0 1px #4d8dff0f,0 24px 70px -40px #4d8dff73}.figure__frame img{display:block;width:100%;height:auto}.figure__caption{font-size:var(--t-small);color:var(--fg-faint);max-width:var(--measure);text-wrap:pretty}.figure__caption strong{color:var(--fg-dim);font-weight:500}.flow{position:relative;width:100%}.flow__svg{width:100%;height:auto;overflow:visible}.flow__vault-label{font-family:var(--font-mono);font-size:8px;letter-spacing:.22em;fill:var(--fg-faint)}.flow__stage-label{font-family:var(--font-mono);font-size:7.5px;letter-spacing:.1em;fill:var(--fg-faint);transition:fill var(--t-base) var(--ease)}.flow__node{fill:var(--bg-elevated);stroke:var(--line-strong);stroke-width:1;transition:fill var(--t-base) var(--ease),stroke var(--t-base) var(--ease)}.flow__end-label,.flow__human-label{font-family:var(--font-mono);font-size:7.5px;letter-spacing:.1em;fill:var(--fg-faint)}.flow__human path{stroke:var(--line);transition:stroke var(--t-base) var(--ease)}.flow__human circle{fill:var(--bg-elevated);stroke:var(--line-strong);stroke-width:1;transition:all var(--t-base) var(--ease)}.flow__human{opacity:.35;transition:opacity var(--t-base) var(--ease)}.flow__cross line{stroke:var(--block);opacity:0;transition:opacity var(--t-base) var(--ease)}.flow__spark circle{fill:var(--flow-bright);opacity:0}.flow__spark--core circle{fill:#fff}.flow[data-running=no] .flow__node{fill:var(--flow-deep);stroke:var(--flow)}.flow[data-running=no] .flow__stage-label{fill:var(--fg-dim)}@media(prefers-reduced-motion:no-preference){.flow[data-running=yes] .flow__spark circle{opacity:1}.flow[data-outcome=allow] .flow__spark{animation:travel-through var(--cycle, 5.2s) var(--ease) infinite}.flow[data-outcome=block] .flow__spark{animation:travel-stop var(--cycle, 5.2s) var(--ease) infinite}.flow[data-outcome=hold] .flow__spark{animation:travel-hold var(--cycle, 5.2s) var(--ease) infinite}@keyframes travel-through{0%{transform:translate(22px,150px);opacity:0}6%{opacity:1}82%{transform:translate(498px,150px);opacity:1}94%,to{transform:translate(498px,150px);opacity:0}}@keyframes travel-stop{0%{transform:translate(22px,150px);opacity:0}6%{opacity:1}55%{transform:translate(362px,150px);opacity:1}70%{transform:translate(362px,150px);opacity:.15}to{transform:translate(362px,150px);opacity:0}}@keyframes travel-hold{0%{transform:translate(22px,150px);opacity:0}6%{opacity:1}44%{transform:translate(392px,150px)}54%{transform:translate(430px,150px)}62%{transform:translate(430px,96px)}70%{transform:translate(470px,96px);opacity:1}78%{transform:translate(470px,96px);opacity:.35}86%{transform:translate(470px,96px);opacity:1}96%{transform:translate(498px,150px);opacity:1}to{transform:translate(498px,150px);opacity:0}}.flow[data-running=yes] .flow__stage .flow__node{animation:node-lit var(--cycle, 5.2s) var(--ease) infinite;animation-delay:calc(var(--i) * .17s)}.flow[data-running=yes] .flow__stage .flow__stage-label{animation:label-lit var(--cycle, 5.2s) var(--ease) infinite;animation-delay:calc(var(--i) * .17s)}@keyframes node-lit{0%,8%{fill:var(--bg-elevated);stroke:var(--line-strong)}18%,72%{fill:var(--flow-deep);stroke:var(--flow)}92%,to{fill:var(--bg-elevated);stroke:var(--line-strong)}}@keyframes label-lit{0%,8%{fill:var(--fg-faint)}18%,72%{fill:var(--fg-dim)}92%,to{fill:var(--fg-faint)}}.flow__pulse{fill:none;stroke:var(--flow);stroke-width:1;animation:pulse var(--cycle, 5.2s) var(--ease) infinite}@keyframes pulse{0%{r:7;opacity:.9}14%{r:15;opacity:0}to{r:15;opacity:0}}}.flow[data-outcome=block] .flow__cross line{opacity:1}.flow[data-outcome=block] .flow__end--out circle:first-of-type{stroke:var(--block)}.flow[data-outcome=hold] .flow__human{opacity:1}.flow[data-outcome=hold] .flow__human path{stroke:var(--hold)}.flow[data-outcome=hold] .flow__human circle{stroke:var(--hold);fill:#f5b5441f}.flow[data-outcome=hold] .flow__human-label{fill:var(--hold)}.flow[data-outcome=allow] .flow__end--out circle:first-of-type{stroke:var(--allow)}.flow__readout{margin-top:var(--s-5);padding-top:var(--s-5);border-top:1px solid var(--line-soft);display:grid;gap:var(--s-2);min-height:7.5rem}.flow__request{font-size:var(--t-small);color:var(--fg-dim)}.flow__verdict{font-size:1.125rem;font-weight:500;letter-spacing:.06em;transition:color var(--t-base) var(--ease)}.flow__verdict--allow{color:var(--allow)}.flow__verdict--hold{color:var(--hold)}.flow__verdict--block{color:var(--block)}.flow__detail{font-size:var(--t-small);color:var(--fg-faint);line-height:1.5;text-wrap:pretty}@media(max-width:40rem){.flow__readout{min-height:8.5rem}}.scene{position:relative}.core{position:absolute;inset:-14% -8% auto;height:128%;z-index:0;pointer-events:none;opacity:0;animation:core-in 1.6s var(--ease-out) 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