:root{color-scheme:dark;--ink:#edf5f1;--muted:#8b9c97;--panel:#182021;--panel2:#202a2b;--line:#344240;--orange:#ff7a38;--yellow:#f1c64b;--mint:#5be0ab;--bg:#0d1213}*{box-sizing:border-box}html{background:var(--bg)}body{margin:0;min-height:100vh;color:var(--ink);background:radial-gradient(circle at 72% 14%,#203a35 0,transparent 28rem),linear-gradient(145deg,#101718,#090d0e 70%);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.topbar{height:76px;padding:0 max(20px,calc((100vw - 1120px)/2));display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #ffffff12;background:#0d1213cc;backdrop-filter:blur(18px);position:sticky;top:0;z-index:10}.brand{display:flex;gap:12px;align-items:center;color:inherit;text-decoration:none}.brand span:last-child{display:flex;flex-direction:column}.brand b{font-size:17px;letter-spacing:.02em}.brand small{font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-top:2px}.brand-mark{position:relative;width:38px;height:38px;border:2px solid var(--orange);border-radius:8px;display:block}.brand-mark i{position:absolute;width:8px;height:8px;border:2px solid var(--yellow)}.brand-mark i:nth-child(1){top:6px;left:6px}.brand-mark i:nth-child(2){top:6px;right:6px}.brand-mark i:nth-child(3){bottom:6px;left:6px}.network-badge{font:600 11px ui-monospace,SFMono-Regular,monospace;text-transform:uppercase;letter-spacing:.08em;color:var(--mint);border:1px solid #5be0ab55;background:#5be0ab0d;padding:8px 12px;border-radius:999px}.network-badge:before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:currentColor;margin-right:7px;box-shadow:0 0 10px currentColor}main{width:min(1120px,calc(100% - 40px));margin:0 auto}.view{display:none;min-height:calc(100vh - 130px);padding:64px 0}.view.active{display:block}.hero{max-width:820px}.eyebrow{font:700 12px ui-monospace,SFMono-Regular,monospace;letter-spacing:.17em;color:var(--yellow);margin:0 0 18px}.hero h1{font-size:clamp(48px,8vw,92px);letter-spacing:-.065em;line-height:.92;margin:0;font-weight:720}.hero h1 em{font-style:normal;color:var(--orange)}.intro{max-width:650px;color:#aab8b4;font-size:18px;line-height:1.65;margin:30px 0 44px}.choice-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.choice-card{appearance:none;text-align:left;color:inherit;background:linear-gradient(145deg,#1c2526,#151c1d);border:1px solid var(--line);border-radius:18px;padding:28px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:18px;cursor:pointer;transition:.2s transform,.2s border-color,.2s background;min-height:130px}.choice-card:hover{transform:translateY(-3px);border-color:#697b76;background:#202b2b}.choice-card:focus-visible,.primary-button:focus-visible,.secondary-button:focus-visible{outline:3px 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video{display:block;width:100%;height:100%;min-height:420px;object-fit:cover}.scan-frame{position:absolute;width:min(72vw,320px);aspect-ratio:1;left:50%;top:50%;transform:translate(-50%,-50%)}.scan-frame i{position:absolute;width:38px;height:38px;border-color:var(--yellow);border-style:solid}.scan-frame i:nth-child(1){left:0;top:0;border-width:3px 0 0 3px}.scan-frame i:nth-child(2){right:0;top:0;border-width:3px 3px 0 0}.scan-frame i:nth-child(3){right:0;bottom:0;border-width:0 3px 3px 0}.scan-frame i:nth-child(4){left:0;bottom:0;border-width:0 0 3px 3px}.scan-frame span{position:absolute;left:4%;right:4%;height:2px;background:var(--orange);box-shadow:0 0 12px var(--orange);animation:scan 2.2s infinite ease-in-out}.camera-message{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);white-space:nowrap;max-width:90%;overflow:hidden;text-overflow:ellipsis;background:#07100dcc;padding:9px 13px;border-radius:999px;font:11px ui-monospace,SFMono-Regular,monospace;color:var(--mint)}.complete-card{text-align:center;background:#151d1e;border:1px solid var(--line);padding:48px 24px;border-radius:20px}.complete-check{width:70px;height:70px;display:grid;place-items:center;border-radius:50%;margin:0 auto 22px;background:#5be0ab18;color:var(--mint);font-size:34px;border:1px solid #5be0ab55}.complete-card h2{word-break:break-word}.complete-card>p:not(.eyebrow){color:var(--muted)}.complete-card button{margin:8px 4px}.hidden{display:none!important}.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);background:#e9f0ed;color:#111;padding:12px 18px;border-radius:9px;font-size:13px;font-weight:650;opacity:0;pointer-events:none;transition:.2s;z-index:50}.toast.show{opacity:1;transform:translate(-50%,0)}footer{height:54px;width:min(1120px,calc(100% - 40px));margin:0 auto;border-top:1px solid #ffffff10;display:flex;justify-content:space-between;align-items:center;color:#596763;font:10px ui-monospace,SFMono-Regular,monospace;text-transform:uppercase;letter-spacing:.1em}@keyframes travel{0%{transform:translateX(-110%)}100%{transform:translateX(300%)}}@keyframes scan{0%,100%{top:5%}50%{top:94%}}@media(max-width:700px){.topbar{height:66px}.network-badge{font-size:0;padding:9px}.network-badge:before{margin:0}.view{padding:38px 0}.hero h1{font-size:52px}.intro{font-size:16px}.choice-grid{grid-template-columns:1fr}.choice-card{padding:20px;min-height:108px}.panel-heading h2{font-size:36px}.file-picker,.camera-intro{padding:45px 18px}.sender-stats div,.receiver-stats div{padding:11px 4px}.camera-shell,.camera-shell video{min-height:360px}}