:root{color-scheme:dark;--ink: #070a12;--ink-soft: #0d111b;--pearl: #f3efe4;--gold: #f1c84b;--mist: #9ba5b7;--line: rgba(243, 239, 228, .2);--danger: #ff8f7f;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--ink);color:var(--pearl);font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--ink)}body{margin:0;min-width:320px;background:radial-gradient(circle at 75% 12%,rgba(77,88,130,.23),transparent 34rem),var(--ink)}button,input{font:inherit}button,a,label{-webkit-tap-highlight-color:transparent}a{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,label:focus-within{outline:2px solid var(--gold);outline-offset:4px}.hero{min-height:100svh;position:relative;overflow:hidden;display:grid;grid-template-columns:minmax(18rem,.78fr) minmax(28rem,1.22fr);align-items:center;gap:clamp(2rem,6vw,8rem);padding:clamp(7rem,12vh,10rem) clamp(1.25rem,6vw,7rem) 4rem;border-bottom:1px solid var(--line)}.hero:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(rgba(243,239,228,.025) 1px,transparent 1px);background-size:100% 4rem;pointer-events:none}.nav-shell{position:absolute;z-index:4;inset:0 0 auto;height:5rem;padding:0 clamp(1.25rem,6vw,7rem);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);font-size:.84rem}.nav-shell a{text-decoration:none}.wordmark{font-weight:760;letter-spacing:.12em;text-decoration:none}.hero-copy{position:relative;z-index:2;max-width:38rem}.eyebrow{margin:0 0 1.4rem;color:var(--gold);font-size:.74rem;font-weight:760;letter-spacing:.16em;text-transform:uppercase}h1,h2{font-family:Georgia,Times New Roman,serif;font-weight:400;letter-spacing:-.045em;margin:0}.hero h1{font-size:clamp(3.5rem,7.6vw,8.5rem);line-height:.88}.hero-summary{margin:2rem 0;max-width:32rem;color:var(--mist);font-size:clamp(1rem,1.4vw,1.25rem);line-height:1.6}.text-link{display:inline-flex;gap:1.5rem;align-items:center;padding-bottom:.55rem;border-bottom:1px solid var(--pearl);text-decoration:none}.hero-artifact{position:relative;z-index:2;justify-self:end;width:min(44vw,35rem);animation:card-arrive .9s cubic-bezier(.22,1,.36,1) both;filter:drop-shadow(0 3rem 5rem rgba(0,0,0,.5))}.hero-artifact img{display:block;width:100%;max-height:72svh;object-fit:contain}.artifact-caption{display:block;color:var(--mist);margin-top:1rem;font-size:.72rem;letter-spacing:.08em;text-align:right;text-transform:uppercase}.scan-line{position:absolute;z-index:3;inset:0 0 auto;height:1px;opacity:0;background:var(--gold);box-shadow:0 0 1.5rem var(--gold);pointer-events:none}.is-scanning .scan-line{animation:scan 1.35s ease-in-out infinite}.workspace,.receipt-section,.boundary-section{padding:clamp(5rem,11vw,10rem) clamp(1.25rem,6vw,7rem)}.section-heading{display:grid;grid-template-columns:minmax(20rem,1fr) minmax(18rem,.7fr);column-gap:clamp(2rem,8vw,8rem);align-items:end;margin-bottom:clamp(3rem,7vw,6rem)}.section-heading .eyebrow{grid-column:1 / -1}.section-heading h2,.receipt-section h2,.boundary-section h2,.proof-page h1{font-size:clamp(2.8rem,5.4vw,6rem);line-height:.98}.section-heading>p:last-child,.boundary-section>p:last-child{margin:0;color:var(--mist);line-height:1.7}.vault-form{display:grid;grid-template-columns:minmax(18rem,1fr) minmax(20rem,.9fr);gap:clamp(2.5rem,8vw,8rem);padding-top:2rem;border-top:1px solid var(--line)}.preview-shell{position:relative;min-height:32rem;display:grid;place-items:center;overflow:hidden;background:#03050a}.preview-shell img{display:block;width:100%;height:min(64rem,68vh);object-fit:contain}.file-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.25rem}.primary-action,.secondary-action,.submit-action{display:inline-flex;min-height:3.25rem;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:0;padding:.8rem 1.15rem;cursor:pointer;text-decoration:none;transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease}.primary-action,.submit-action{background:var(--gold);border-color:var(--gold);color:#171205;font-weight:760}.secondary-action{background:transparent;color:var(--pearl)}.primary-action:hover,.submit-action:not(:disabled):hover{transform:translateY(-2px);background:#ffe177}.secondary-action:hover{border-color:var(--pearl)}.proof-controls{align-self:start}.field-label{display:block;margin-bottom:.7rem;color:var(--mist);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase}.proof-controls>input[type=text],.proof-controls>input:not([type]){width:100%}#card-title{width:100%;border:0;border-bottom:1px solid var(--line);padding:.8rem 0 1rem;background:transparent;color:var(--pearl);font-family:Georgia,Times New Roman,serif;font-size:clamp(1.8rem,3vw,3rem)}.file-facts,.receipt-list{margin:3rem 0}.file-facts div,.receipt-list div{display:grid;grid-template-columns:8rem minmax(0,1fr);gap:1rem;padding:1rem 0;border-bottom:1px solid var(--line)}dt{color:var(--mist);font-size:.72rem;letter-spacing:.09em;text-transform:uppercase}dd{margin:0}.hash-value{min-width:0;overflow-wrap:anywhere;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.78rem;line-height:1.6}.disclosure{padding:1.6rem 0;border-block:1px solid var(--line);color:var(--mist);line-height:1.55}.disclosure p{margin:.35rem 0}.disclosure .disclosure-title{color:var(--pearl);font-weight:700;margin-top:1rem}.disclosure .disclosure-title:first-child{margin-top:0}.consent-line{display:grid;grid-template-columns:1.25rem 1fr;gap:.85rem;align-items:start;margin:1.5rem 0;color:var(--mist);line-height:1.5}.consent-line input{width:1.1rem;height:1.1rem;accent-color:var(--gold)}.submit-action{width:100%;font-size:1rem}.submit-action:disabled{cursor:not-allowed;background:transparent;color:#596171;border-color:#9ba5b726}.error-message{margin:1rem 0 0;color:var(--danger);line-height:1.5}.receipt-section{background:var(--pearl);color:var(--ink)}.receipt-section .eyebrow{color:#7b6200}.receipt-grid{display:grid;grid-template-columns:minmax(18rem,1.3fr) minmax(14rem,.7fr);gap:clamp(2rem,8vw,8rem);margin-top:4rem}.receipt-section .receipt-list{margin:0}.receipt-section .receipt-list div{border-color:#070a1233}.receipt-section dt{color:#626775}.receipt-action{display:flex;flex-direction:column;justify-content:flex-end;gap:1.25rem}.hash-short{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.78rem}.boundary-section{display:grid;grid-template-columns:minmax(20rem,1fr) minmax(18rem,.7fr);column-gap:clamp(2rem,8vw,8rem);align-items:end}.boundary-section .eyebrow{grid-column:1 / -1}footer{min-height:7rem;display:flex;align-items:center;justify-content:space-between;gap:2rem;padding:2rem clamp(1.25rem,6vw,7rem);border-top:1px solid var(--line);color:var(--mist);font-size:.78rem}.proof-page{min-height:100svh;padding:clamp(2rem,6vw,6rem)}.proof-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:clamp(4rem,8vw,8rem)}.verified-mark{color:var(--gold);font-size:.75rem;letter-spacing:.12em;text-transform:uppercase}.proof-layout{display:grid;grid-template-columns:minmax(18rem,.8fr) minmax(20rem,1.2fr);gap:clamp(3rem,9vw,10rem);align-items:center}.proof-image{width:100%;max-height:72svh;object-fit:contain;background:#020308}.proof-copy .receipt-list{margin-top:3rem}.legal-boundary{color:var(--mist);line-height:1.6;max-width:38rem}.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}@keyframes card-arrive{0%{opacity:0;transform:translate3d(0,2.5rem,0) rotate(1.2deg) scale(.97)}to{opacity:1;transform:translateZ(0) rotate(-1.2deg) scale(1)}}@keyframes scan{0%{opacity:0;transform:translateY(0)}15%{opacity:.95}85%{opacity:.95}to{opacity:0;transform:translateY(64vh)}}@keyframes receipt-rise{0%{opacity:0;transform:translateY(2rem)}to{opacity:1;transform:translateY(0)}}.receipt-rise{animation:receipt-rise .52s cubic-bezier(.22,1,.36,1) both}@media (max-width: 860px){.hero{grid-template-columns:1fr;align-content:start;padding-top:8rem}.hero-artifact{justify-self:center;width:min(82vw,28rem)}.section-heading,.vault-form,.receipt-grid,.boundary-section,.proof-layout{grid-template-columns:1fr}.section-heading>p:last-child,.boundary-section>p:last-child{margin-top:1.5rem}.preview-shell{min-height:24rem}.proof-header{align-items:flex-start;gap:2rem}}@media (max-width: 520px){.nav-shell{height:4.25rem}.hero{min-height:auto;padding-top:7rem}.hero h1{font-size:clamp(3rem,17vw,5rem)}.hero-artifact{width:92vw}.file-actions,footer,.proof-header{flex-direction:column;align-items:stretch}.file-actions>*,footer a{width:100%;text-align:center}.file-facts div,.receipt-list div{grid-template-columns:1fr;gap:.4rem}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:1ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:1ms!important}}