:root{--ink:#0b1626;--ink-2:#16243a;--ink-3:#1c2a3e;--ink-line:#2a3a52;--paper:#f5f6f8;--surface:#fff;--proof:#0a7d57;--proof-strong:#075e41;--proof-bright:#2ee6a0;--text:#0b1626;--text-2:#3e4957;--text-muted:#5b6676;--text-on-ink:#c9d4e3;--text-on-ink-muted:#9fb0c6;--line:#e3e6eb;--line-soft:#eef0f3;--focus:#3b6cf6;--danger:#b42318;--danger-bg:#fdecea;--warn:#8a4304;--warn-bg:#fff1df;--info:#1d45c4;--info-bg:#e6eeff;--ok:#0a6b4b;--ok-bg:#e2f6ee;--role-1:#3b6cf6;--role-2:#e8830c;--role-3:#0a9d6e;--role-4:#a23ee8;--role-5:#d92d6a;--role-6:#4a5462;--font-display:"Bricolage Grotesque", system-ui, sans-serif;--font-ui:"Instrument Sans", system-ui, sans-serif;--font-mono:"JetBrains Mono", ui-monospace, monospace;--s-1:4px;--s-2:8px;--s-3:12px;--s-4:16px;--s-5:20px;--s-6:24px;--s-8:32px;--r-sm:8px;--r-md:12px;--r-lg:16px;--r-xl:20px;--shadow-pop:0 24px 48px -12px #0b162647;--shadow-card:0 1px 2px #0b16260f;--sidebar-w:248px;--topbar-h:68px;--wrap:1200px;--gutter:24px;--ease-out:cubic-bezier(.16, 1, .3, 1);--ease-stamp:cubic-bezier(.34, 1.56, .64, 1);--proof-soft:color-mix(in srgb, var(--proof-bright) 14%, transparent);--on-ink-line:color-mix(in srgb, var(--text-on-ink) 12%, transparent)}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:88px}body{background:var(--ink);color:var(--text-on-ink);font:400 16px/1.6 var(--font-ui);-webkit-font-smoothing:antialiased;margin:0;overflow-x:clip}body:after{content:"";pointer-events:none;z-index:100;opacity:.05;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");position:fixed;inset:0}h1,h2,h3{font-family:var(--font-display);letter-spacing:-.03em;color:var(--surface);margin:0;font-weight:700}p{margin:0}a{color:inherit}:focus-visible{outline:2px solid var(--proof-bright);outline-offset:3px;border-radius:4px}.mono{font-family:var(--font-mono)}.wrap{width:100%;max-width:var(--wrap);padding:0 var(--gutter);margin:0 auto}.skip{z-index:200;border-radius:var(--r-sm);background:var(--proof-bright);color:var(--ink);padding:10px 16px;font-weight:600;position:absolute;top:-60px;left:16px}.skip:focus{top:16px}.btn{min-height:42px;font:600 15px/1 var(--font-ui);white-space:nowrap;transition:transform .25s var(--ease-out), background-color .25s var(--ease-out), border-color .25s var(--ease-out), color .25s var(--ease-out);border-radius:10px;justify-content:center;align-items:center;gap:10px;padding:0 18px;text-decoration:none;display:inline-flex}.btn:active{transform:translateY(1px)scale(.98)}.btn-lg{min-height:52px;padding:0 24px;font-size:16px}.btn-proof{background:var(--proof-bright);color:var(--ink);box-shadow:inset 0 -2px 0 color-mix(in srgb, var(--ink) 18%, transparent)}.btn-proof:hover{background:color-mix(in srgb, var(--proof-bright) 86%, var(--surface))}.btn-proof svg{transition:transform .3s var(--ease-out)}.btn-proof:hover svg{transform:translate(3px)}.btn-ghost{border:1px solid var(--ink-line);color:var(--surface)}.btn-ghost:hover{border-color:var(--text-on-ink-muted);background:var(--ink-2)}.btn-quiet{color:var(--text-on-ink)}.btn-quiet:hover{color:var(--surface)}.nav{z-index:50;background:color-mix(in srgb, var(--ink) 82%, transparent);-webkit-backdrop-filter:blur(14px)saturate(140%);border-bottom:1px solid var(--on-ink-line);position:sticky;top:0}.nav-in{align-items:center;gap:32px;height:68px;display:flex}.brand{color:var(--surface);font:500 21px/1 var(--font-display);letter-spacing:-.025em;align-items:center;gap:10px;text-decoration:none;display:inline-flex}.brand b{font-weight:700}.brand .tick{stroke:var(--proof-bright)}.brand.small{font-size:17px}.nav-links{gap:28px;margin-right:auto;display:flex}.nav-links a{color:var(--text-on-ink-muted);font-size:14px;font-weight:500;text-decoration:none;transition:color .2s}.nav-links a:hover{color:var(--surface)}.nav-cta{gap:6px;display:flex}.hero{background:radial-gradient(60% 70% at 78% 40%, color-mix(in srgb, var(--ink-3) 90%, transparent), transparent 70%), radial-gradient(circle at 1px 1px, var(--on-ink-line) 1px, transparent 0) 0 0 / 28px 28px;padding:72px 0 96px;position:relative}.hero-in{grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);align-items:center;gap:56px;display:grid}.eyebrow{border:1px solid var(--ink-line);color:var(--text-on-ink);border-radius:999px;align-items:center;gap:10px;padding:6px 14px 6px 10px;font-size:13px;font-weight:500;display:inline-flex}.dot,.live{background:var(--proof-bright);width:8px;height:8px;box-shadow:0 0 0 0 var(--proof-soft);border-radius:50%;animation:2.4s ease-in-out infinite breathe}.hero h1{max-width:12ch;margin-top:24px;font-size:clamp(40px,5.2vw,68px);line-height:1.02}.hero h1 em{color:var(--proof-bright);font-style:normal}.lead{max-width:52ch;color:var(--text-on-ink);margin-top:24px;font-size:18px;line-height:1.6}.hero-actions{flex-wrap:wrap;gap:12px;margin-top:36px;display:flex}.hero-facts{color:var(--text-on-ink-muted);flex-wrap:wrap;gap:10px 24px;margin:36px 0 0;padding:0;font-size:14px;list-style:none;display:flex}.hero-facts li{align-items:center;gap:8px;display:inline-flex}.hero-facts li:before{content:"";border-left:2px solid var(--proof-bright);border-bottom:2px solid var(--proof-bright);width:14px;height:8px;margin-top:-4px;transform:rotate(-45deg)}.hero-copy>*{animation:rise .9s var(--ease-out) both}.hero-copy>:nth-child(2){animation-delay:80ms}.hero-copy>:nth-child(3){animation-delay:.16s}.hero-copy>:nth-child(4){animation-delay:.24s}.hero-copy>:nth-child(5){animation-delay:.32s}.stage{padding:8px 0 0 40px;position:relative}.doc{border-radius:var(--r-lg);background:var(--surface);max-width:470px;color:var(--text);box-shadow:0 1px 0 color-mix(in srgb, var(--surface) 60%, transparent) inset, 0 40px 80px -24px color-mix(in srgb, var(--ink) 90%, transparent), 0 12px 24px -12px color-mix(in srgb, var(--ink) 60%, transparent);animation:doc-in 1.1s var(--ease-out) .15s both;margin-left:auto;padding:28px 30px 84px;position:relative;transform:rotate(-1.6deg)}.doc-head{border-bottom:1px solid var(--line);align-items:center;gap:12px;padding-bottom:18px;display:flex}.doc-head span:last-child{flex-direction:column;min-width:0;display:flex}.doc-head strong{font-size:15px}.doc-head small{color:var(--text-muted);font-size:12.5px}.doc-logo{background:var(--ink-2);width:40px;height:40px;color:var(--proof-bright);font:700 14px/1 var(--font-display);border-radius:10px;flex-shrink:0;place-items:center;display:grid}.doc-body{gap:10px;padding:22px 0;display:grid}.ln{background:var(--line-soft);border-radius:4px;height:7px;display:block}.w92{width:92%}.w88{width:88%}.w84{width:84%}.w56{width:56%}.doc-fields{grid-template-columns:1.5fr 1fr;gap:12px;margin:0;display:grid}.doc-fields div{border:1px solid var(--line);border-radius:var(--r-sm);background:var(--paper);padding:10px 12px}.doc-fields dt{letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted);font-size:11px;font-weight:600}.doc-fields dd{white-space:nowrap;text-overflow:ellipsis;margin:2px 0 0;font-size:14px;font-weight:500;overflow:hidden}.sig{flex-direction:column;margin-top:22px;padding-top:6px;display:flex}.sig-name{color:var(--ink-2);clip-path:inset(0 100% 0 0);font:500 40px/1.1 Caveat,cursive;animation:1.6s cubic-bezier(.55,.1,.35,1) 1.1s forwards write}.sig-line{border-top:1.5px solid var(--text);color:var(--text-muted);margin-top:4px;padding-top:8px;font-size:12px}.seal{opacity:0;width:118px;height:118px;animation:stamp .7s var(--ease-stamp) 3.1s forwards;position:absolute;bottom:-34px;right:-26px}.seal svg{width:100%;height:100%;overflow:visible}.seal-bg{fill:var(--ink)}.seal-ring{fill:none;stroke:var(--proof-bright);stroke-width:1.5px;stroke-dasharray:2 4}.seal-text{font:500 8.6px var(--font-mono);letter-spacing:.12em;fill:var(--proof-bright)}.seal-check{fill:none;stroke:var(--proof-bright);stroke-width:6px;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:60;stroke-dashoffset:60px;animation:draw .5s var(--ease-out) 3.55s forwards}.trail{border:1px solid var(--ink-line);border-radius:var(--r-md);background:color-mix(in srgb, var(--ink-2) 88%, transparent);-webkit-backdrop-filter:blur(10px);width:min(360px,82%);box-shadow:inset 0 1px 0 color-mix(in srgb, var(--surface) 8%, transparent), 0 24px 48px -16px color-mix(in srgb, var(--ink) 80%, transparent);animation:rise .9s var(--ease-out) .5s both;margin:-56px 0 0 -40px;padding:16px 18px;position:relative}.trail-head{letter-spacing:.08em;text-transform:uppercase;color:var(--text-on-ink-muted);align-items:center;gap:8px;margin-bottom:10px;font-size:12px;font-weight:600;display:flex}.trail ol{gap:7px;margin:0;padding:0;list-style:none;display:grid}.trail li{color:var(--text-on-ink);opacity:0;animation:rise .5s var(--ease-out) forwards;animation-delay:calc(.9s + var(--i) * .55s);grid-template-columns:62px 1fr;gap:10px;font-size:12.5px;line-height:1.45;display:grid}.trail time{font-family:var(--font-mono);color:var(--text-on-ink-muted);font-size:11.5px}.trail li.ok{color:var(--proof-bright)}.trail .mono{font-size:11.5px}.marquee{border-block:1px solid var(--on-ink-line);background:var(--ink-2);-webkit-mask-image:linear-gradient(90deg, transparent, var(--ink) 10%, var(--ink) 90%, transparent);mask-image:linear-gradient(90deg, transparent, var(--ink) 10%, var(--ink) 90%, transparent);padding:22px 0;overflow:hidden}.marquee-track{width:max-content;animation:38s linear infinite slide;display:flex}.marquee-track span{font:500 clamp(22px, 2.6vw, 34px)/1 var(--font-display);letter-spacing:-.02em;color:var(--text-on-ink-muted);white-space:nowrap;align-items:center;gap:48px;padding-right:48px;display:inline-flex}.marquee-track span:after{content:"";border:2px solid var(--proof-bright);border-radius:50%;width:10px;height:10px}section.paper{background:var(--paper);color:var(--text-2)}section.paper h2,section.paper h3{color:var(--ink)}section.paper,section.ink{padding:120px 0}.kicker{font:500 12px/1 var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--proof);margin-bottom:16px}section.ink .kicker{color:var(--proof-bright)}h2{font-size:clamp(30px,3.6vw,46px);line-height:1.06}.section-head{max-width:760px;margin-bottom:56px}.steps{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);align-items:start;gap:80px;display:grid}.steps-head{position:sticky;top:120px}.steps-head p:last-child{max-width:44ch;margin-top:20px;font-size:17px}.step-list{border-top:1px solid var(--line);margin:0;padding:0;list-style:none}.step-list li{border-bottom:1px solid var(--line);grid-template-columns:72px 1fr;gap:20px;padding:36px 0;display:grid}.step-n{font:500 15px/1.6 var(--font-mono);color:var(--proof)}.step-list h3{letter-spacing:-.02em;font-size:24px;line-height:1.2}.step-list p{max-width:54ch;margin-top:10px}.chip{background:var(--ok-bg);color:var(--ok);border-radius:999px;margin-top:16px;padding:5px 12px;font-size:13px;font-weight:600;display:inline-block}.bento{grid-template-columns:repeat(6,minmax(0,1fr));gap:16px;display:grid}.tile{border:1px solid var(--on-ink-line);border-radius:var(--r-xl);background:linear-gradient(180deg, var(--ink-2), color-mix(in srgb, var(--ink-2) 50%, var(--ink)));box-shadow:inset 0 1px 0 color-mix(in srgb, var(--surface) 6%, transparent);transition:border-color .3s var(--ease-out);flex-direction:column;gap:10px;padding:32px;display:flex}.tile:hover{border-color:var(--ink-line)}.tile h3{letter-spacing:-.02em;font-size:21px;line-height:1.2}.tile p{max-width:48ch;color:var(--text-on-ink-muted);font-size:15px}.t-trail{grid-area:span 2/span 4}.t-otp,.t-hash{grid-column:span 2}.t-verify,.t-brand{grid-column:span 3}.log{border-left:1px solid var(--ink-line);margin:18px 0 0;padding:0;list-style:none;display:grid}.log li{color:var(--text-on-ink);grid-template-columns:76px 1fr;gap:12px;padding:12px 0 12px 22px;font-size:14.5px;display:grid;position:relative}.log li:before{content:"";background:var(--ink-3);border:1.5px solid var(--text-on-ink-muted);border-radius:50%;width:9px;height:9px;position:absolute;top:19px;left:-5px}.log li.ok{color:var(--proof-bright)}.log li.ok:before{background:var(--proof-bright);border-color:var(--proof-bright);animation:2.4s ease-in-out infinite breathe}.log time{font:400 13px/1.6 var(--font-mono);color:var(--text-on-ink-muted)}.otp{gap:8px;margin-top:auto;padding-top:16px;display:flex}.otp span{border:1px solid var(--ink-line);background:var(--ink);width:38px;height:46px;font:500 20px/1 var(--font-mono);color:var(--surface);border-radius:9px;place-items:center;display:grid}.otp .caret{border-color:var(--proof-bright);position:relative}.otp .caret:after{content:"";background:var(--proof-bright);width:2px;height:22px;animation:1.1s step-end infinite blink}.hash{border-radius:var(--r-sm);background:var(--ink);font:400 12.5px/1.7 var(--font-mono);color:var(--proof-bright);word-break:break-all;margin-top:auto;padding:14px 16px}.link-arrow{color:var(--proof-bright);align-self:flex-start;margin-top:auto;padding-top:12px;font-weight:600;text-decoration:none}.link-arrow:after{content:"→";transition:transform .3s var(--ease-out);margin-left:6px;display:inline-block}.link-arrow:hover:after{transform:translate(4px)}.swatches{margin-top:auto;padding-top:16px;display:flex}.swatches i{border:3px solid var(--ink-2);width:40px;height:40px;transition:transform .3s var(--ease-out);border-radius:50%;margin-left:-8px}.swatches i:first-child{background:var(--role-1);margin-left:0}.swatches i:nth-child(2){background:var(--role-2)}.swatches i:nth-child(3){background:var(--role-3)}.swatches i:nth-child(4){background:var(--role-5)}.t-brand:hover .swatches i{transform:translateX(calc(var(--n,0) * 6px))}.t-brand:hover .swatches i:nth-child(2){--n:1}.t-brand:hover .swatches i:nth-child(3){--n:2}.t-brand:hover .swatches i:nth-child(4){--n:3}.who{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start;gap:80px;display:grid}.who-story p:last-child{max-width:52ch;margin-top:20px;font-size:17px}.who-list{border-top:1px solid var(--line);margin:0;padding:0;list-style:none}.who-list li{border-bottom:1px solid var(--line);transition:padding-left .3s var(--ease-out);grid-template-columns:170px 1fr;gap:16px;padding:22px 0;display:grid}.who-list li:hover{padding-left:8px}.who-list strong{font:700 18px/1.4 var(--font-display);letter-spacing:-.01em;color:var(--ink)}.faq{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);align-items:start;gap:80px;display:grid}.faq .section-head{margin-bottom:0}.faq-list{border-top:1px solid var(--on-ink-line)}details{border-bottom:1px solid var(--on-ink-line)}summary{font:500 19px/1.35 var(--font-display);letter-spacing:-.01em;color:var(--surface);cursor:pointer;justify-content:space-between;align-items:center;gap:24px;padding:24px 0;list-style:none;display:flex}summary::-webkit-details-marker{display:none}summary:after{content:"";border-right:2px solid var(--proof-bright);border-bottom:2px solid var(--proof-bright);width:12px;height:12px;transition:transform .3s var(--ease-out);flex-shrink:0;transform:translateY(-3px)rotate(45deg)}details[open] summary:after{transform:translateY(3px)rotate(-135deg)}details p{max-width:64ch;color:var(--text-on-ink-muted);padding:0 40px 26px 0}.final{padding:40px 0 120px}.final-in{background:radial-gradient(80% 120% at 100% 0%, color-mix(in srgb, var(--proof-bright) 16%, transparent), transparent 60%), var(--ink-2);border:1px solid var(--on-ink-line);border-radius:28px;flex-direction:column;align-items:flex-start;gap:32px;padding:72px 64px;display:flex}.final h2{max-width:26ch}.final h2 span{color:var(--text-on-ink-muted)}.final-mail{color:var(--text-on-ink-muted);font-size:14px}.final-mail a{color:var(--text-on-ink)}.foot{border-top:1px solid var(--on-ink-line);padding:32px 0}.foot-in{flex-wrap:wrap;align-items:center;gap:16px 32px;display:flex}.foot nav{flex-wrap:wrap;gap:8px 24px;margin-right:auto;display:flex}.foot a{color:var(--text-on-ink-muted);font-size:14px;text-decoration:none}.foot a:hover{color:var(--surface)}.foot small{color:var(--text-on-ink-muted);font-size:13px}.js .reveal{opacity:0;transition:opacity .8s var(--ease-out), transform .8s var(--ease-out);transform:translateY(18px)}.js .reveal.in{opacity:1;transform:none}.bento .reveal:nth-child(2){transition-delay:60ms}.bento .reveal:nth-child(3){transition-delay:.12s}.bento .reveal:nth-child(4){transition-delay:.18s}.bento .reveal:nth-child(5){transition-delay:.24s}@keyframes rise{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}@keyframes doc-in{0%{opacity:0;transform:translateY(28px)rotate(1deg)}to{opacity:1;transform:rotate(-1.6deg)}}@keyframes write{to{clip-path:inset(0)}}@keyframes stamp{0%{opacity:0;transform:scale(1.6)rotate(-24deg)}to{opacity:1;transform:scale(1)rotate(-12deg)}}@keyframes draw{to{stroke-dashoffset:0}}@keyframes breathe{0%,to{box-shadow:0 0 0 0 var(--proof-soft)}50%{box-shadow:0 0 0 6px var(--proof-soft)}}@keyframes blink{50%{opacity:0}}@keyframes slide{to{transform:translate(-50%)}}@media (width<=1020px){.nav-links{display:none}.nav-in{justify-content:space-between}.hero-in,.steps,.who,.faq{grid-template-columns:1fr;gap:48px}.stage{width:100%;max-width:560px;margin:0 auto}.steps-head{position:static}.t-trail{grid-area:auto/span 6}.t-otp,.t-hash,.t-verify,.t-brand{grid-column:span 3}}@media (width<=640px){:root{--gutter:16px}.nav-in{height:60px}.nav-cta .btn-proof{display:none}.nav-cta .btn-quiet{border:1px solid var(--ink-line)}.brand{font-size:19px}.hero{padding:40px 0 64px}.lead{font-size:16.5px}.hero-actions .btn{width:100%}.stage{padding:0}.doc{padding:22px 20px 36px;transform:rotate(-1deg)}.doc-fields{grid-template-columns:1fr}.sig-name{font-size:34px}.seal{width:96px;height:96px;bottom:-44px;right:10px}.trail{width:100%;margin:64px 0 0}section.paper,section.ink{padding:80px 0}.section-head{margin-bottom:36px}.step-list li{grid-template-columns:1fr;gap:8px}.bento{grid-template-columns:1fr}.t-trail,.t-otp,.t-hash,.t-verify,.t-brand{grid-column:auto}.tile{padding:24px}.log li{grid-template-columns:1fr;gap:0}.who-list li{grid-template-columns:1fr;gap:4px}summary{font-size:17px}details p{padding-right:0}.final{padding:16px 0 80px}.final-in{border-radius:var(--r-xl);padding:40px 24px}.final-in .btn{width:100%}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important;animation-delay:0s!important}.marquee-track{animation:none}html{scroll-behavior:auto}}