:root{color-scheme:dark;--bg:#171d20;--ink:#f5f3eb;--muted:#acb5b8;--line:#384044;--amber:#ffaa00}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,'Segoe UI',Arial,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-underline-offset:5px}a:focus-visible{outline:3px solid var(--amber);outline-offset:6px}.wrap{max-width:1320px;padding:0 56px;margin:auto}header,footer{display:flex;justify-content:space-between;align-items:center;gap:24px}header{min-height:122px;border-bottom:1px solid var(--line)}.logo{display:block;width:180px;height:auto}nav{display:flex;gap:28px;font-size:13px}nav a{text-decoration:none}nav a:hover{color:var(--amber)}.hero{display:grid;grid-template-columns:1fr 1.25fr;align-items:center;gap:36px;padding:90px 0 95px}.eyebrow{font-size:11px;font-weight:650;letter-spacing:.13em;line-height:1.7;margin:0 0 25px}.dot{display:inline-block;background:var(--amber);width:6px;height:6px;border-radius:50%;margin-right:8px}.hero h1{font-size:clamp(52px,6vw,84px);letter-spacing:-.055em;line-height:1.02;margin:0 0 26px;font-weight:700}em{font-style:normal;color:var(--amber)}.intro{font-size:19px;line-height:1.7;color:var(--muted);max-width:500px;margin:0 0 32px}.button{display:inline-flex;align-items:center;gap:40px;padding:16px 22px;background:var(--amber);color:#171d20;font-weight:700;font-size:14px;text-decoration:none}.button:hover{background:#ffbe3f}.availability{font-size:12px;color:var(--muted);line-height:1.6;margin-top:19px}.device{min-width:0;margin:0;align-self:center;background:radial-gradient(ellipse at center,#ffaa0010,transparent 70%)}.device img{display:block;width:100%;height:auto;filter:drop-shadow(0 24px 20px #0005)}.device figcaption{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:30px;border-top:1px solid var(--line);padding-top:16px;color:var(--muted);font-size:11px;line-height:1.6}.device figcaption span:first-child{font-family:monospace;font-size:10px;letter-spacing:.12em}.section-head{border-top:1px solid var(--line);padding:40px 0 32px;display:flex;justify-content:space-between;align-items:flex-start;gap:30px}.section-head .eyebrow{color:var(--amber)}h2{font-size:36px;letter-spacing:-.035em;line-height:1.15;font-weight:600;margin:0}.section-head h2{width:50%}.features{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.features article{padding:32px 30px 35px 0}.features article+article{border-left:1px solid var(--line);padding-left:30px}.number{font:12px monospace;color:var(--amber)}h3{font-size:20px;letter-spacing:-.02em;font-weight:600;margin:24px 0 14px}.features p{font-size:15px;color:var(--muted);line-height:1.8;margin:0}.trust{display:grid;grid-template-columns:1fr 1fr;gap:48px;padding:78px 0}.trust .eyebrow{color:var(--amber)}.trust p:not(.eyebrow){font-size:17px;line-height:1.8;margin:0 0 20px}.muted{color:var(--muted)}.family{display:grid;grid-template-columns:1.4fr 1fr;gap:60px;background:#242c30;padding:36px;margin-bottom:65px;border-left:3px solid var(--amber)}.family .eyebrow{color:var(--muted);margin-bottom:16px}.family h2{font-size:25px}.family p:not(.eyebrow){font-size:15px;color:var(--muted);line-height:1.7;margin-bottom:0}.family-links{align-self:center;display:flex;flex-direction:column;gap:24px}.family-links a{font-size:14px;text-decoration:none;border-bottom:1px solid #576063;padding-bottom:13px;display:flex;justify-content:space-between;gap:16px}.family-links a:hover{color:var(--amber)}footer{border-top:1px solid var(--line);padding:28px 0 40px;font-size:12px}footer a{text-decoration:none}.skip{position:absolute;left:16px;top:-100px;padding:12px;background:var(--amber);color:#171d20;z-index:9}.skip:focus{top:10px}@media(max-width:760px){.wrap{padding:0 24px}header{min-height:100px}.logo{width:140px}nav{gap:14px;font-size:11px}.hero{grid-template-columns:1fr;padding:60px 0;gap:25px}.hero h1{font-size:61px}.intro{font-size:18px}.device{width:100%;margin-top:16px}.device figcaption{margin-top:20px}.section-head{flex-direction:column;gap:10px}.section-head h2{width:100%;font-size:31px}.features{grid-template-columns:1fr}.features article,.features article+article{padding:28px 0;border-left:0}.features article+article{border-top:1px solid var(--line)}.trust{grid-template-columns:1fr;gap:28px;padding:56px 0}.trust h2{font-size:32px}.family{grid-template-columns:1fr;padding:25px;gap:28px;margin-bottom:45px}.family-links{gap:18px}footer{align-items:flex-start;flex-direction:column;gap:16px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Keep the longer project story readable within the existing page grid. */
.trust h3:first-child{margin-top:0}.encryption{border-top:1px solid var(--line)}nav{flex-wrap:wrap;justify-content:flex-end}

.cipher-demo{border-top:1px solid var(--line);padding:44px 0 60px;margin-bottom:28px}
.cipher-heading{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cipher-heading .eyebrow{color:var(--amber);margin-bottom:14px}
.cipher-intro,.cipher-caption{color:var(--muted);font-size:15px;line-height:1.8;max-width:680px}
.cipher-caption{font-size:13px;margin:0}
.cipher-controls{display:flex;gap:10px;flex-wrap:wrap}.cipher-controls[hidden]{display:none}
.cipher-controls button{font:inherit;font-size:12px;color:var(--ink);background:transparent;border:1px solid #626d72;border-radius:5px;padding:10px 14px;cursor:pointer}
.cipher-controls button:hover{border-color:var(--amber);color:var(--amber)}.cipher-controls button:focus-visible{outline:3px solid var(--amber);outline-offset:4px}
.cipher-scene{display:block;width:100%;max-width:900px;margin:22px auto 0;overflow:visible}
.cipher-track,.cipher-arrow{fill:none;stroke:#657279;stroke-width:2}
.cipher-block{fill:var(--amber);font-size:20px;font-weight:600}
.cipher-block rect{fill:#ffaa0012;stroke:var(--amber);stroke-width:2}
.cipher-camellia{fill:#75c6ff}.cipher-camellia rect{fill:#75c6ff12;stroke:#75c6ff}
.cipher-block .layer-label{font:10px monospace;letter-spacing:1px}.flow-label{fill:var(--muted);font-size:16px}
.data-packet{transform:translateX(var(--rest))}.data-core{fill:var(--ink)}
.aes-wrap{fill:none;stroke:var(--amber);stroke-width:3}.camellia-wrap{fill:none;stroke:#75c6ff;stroke-width:3}
.packet-0 .aes-wrap,.packet-0 .camellia-wrap,.packet-1 .camellia-wrap{opacity:0}
@media(prefers-reduced-motion:no-preference){
.cipher-demo.is-running .cipher-block{animation:build-layer .7s both}
.cipher-demo.is-running .cipher-aes{animation-delay:.3s}.cipher-demo.is-running .cipher-camellia{animation-delay:1.1s}
.cipher-demo.is-running .data-packet{animation:data-flow 5.4s linear var(--delay) infinite both}
.cipher-demo.is-running .aes-wrap{animation:wrap-aes 5.4s linear var(--delay) infinite both}
.cipher-demo.is-running .camellia-wrap{animation:wrap-camellia 5.4s linear var(--delay) infinite both}
.cipher-demo.is-paused *{animation-play-state:paused!important}
@keyframes build-layer{from{opacity:0;transform:translateY(-22px)}to{opacity:1;transform:translateY(0)}}
@keyframes data-flow{0%{transform:translateX(40px);opacity:0}5%{opacity:1}95%{opacity:1}100%{transform:translateX(560px);opacity:0}}
@keyframes wrap-aes{0%,20%{stroke-dashoffset:100;opacity:0}20.1%{opacity:1}41.54%,100%{stroke-dashoffset:0;opacity:1}}
@keyframes wrap-camellia{0%,57.31%{stroke-dashoffset:100;opacity:0}57.41%{opacity:1}81.54%,100%{stroke-dashoffset:0;opacity:1}}
}
@media(max-width:760px){.cipher-heading h2{font-size:30px}.cipher-scene{margin-top:28px}.cipher-demo{padding-top:32px}}

/* Draw each ring over the time the packet spends inside its cipher block. */
.aes-wrap,.camellia-wrap,.share-wrap{stroke-dasharray:100;stroke-linecap:round}
.endpoint{fill:var(--bg);stroke:var(--muted);stroke-width:2;stroke-linejoin:round}
.endpoint path{fill:none}.endpoint circle{fill:var(--amber);stroke:var(--amber)}
.share-core{fill:var(--ink)}.share-wrap{fill:none;stroke-width:3}.orange-wrap{stroke:var(--amber)}.blue-wrap{stroke:#75c6ff}
.share-a{transform:translate(60px,85px)}.share-b{transform:translate(60px,225px)}
.xor-node circle{fill:var(--bg);stroke:var(--muted);stroke-width:2}.xor-node path{stroke:var(--ink);stroke-width:2}
.master-key{transform:translate(540px,155px);fill:none;stroke:var(--ink);stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
@media(prefers-reduced-motion:no-preference){
.vmk-demo.is-running .share-a{animation:share-a-flow 8s linear 2s infinite both}
.vmk-demo.is-running .share-b{animation:share-b-flow 8s linear 2s infinite both}
.vmk-demo.is-running .share-wrap{animation:unwrap-share 8s linear 2s infinite both}
.vmk-demo.is-running .master-key{animation:recover-key 8s linear 2s infinite both}
.vmk-demo.is-running .static-shares{display:none}
@keyframes share-a-flow{0%,15%{transform:translate(60px,85px);opacity:1}55%{transform:translate(350px,85px);opacity:1}72%{transform:translate(430px,155px);opacity:1}73%,100%{transform:translate(430px,155px);opacity:0}}
@keyframes share-b-flow{0%,15%{transform:translate(60px,225px);opacity:1}55%{transform:translate(350px,225px);opacity:1}72%{transform:translate(430px,155px);opacity:1}73%,100%{transform:translate(430px,155px);opacity:0}}
@keyframes unwrap-share{0%,31.55%{stroke-dashoffset:0;opacity:1}46.72%,100%{stroke-dashoffset:100;opacity:0}}
@keyframes recover-key{0%,72%{transform:translate(430px,155px);opacity:0}76%{opacity:1}90%,97%{transform:translate(540px,155px);opacity:1}100%{transform:translate(540px,155px);opacity:0}}
}

.diagram-copy{max-width:760px;margin-top:30px}.diagram-copy p{color:var(--muted);font-size:17px;line-height:1.8;margin-bottom:0}
.unlock-inputs{display:grid;grid-template-columns:1fr auto 1fr auto 1.2fr;align-items:center;gap:20px;padding:24px;margin:28px 0;border:1px solid var(--line);border-radius:10px;background:#242c30}
.unlock-inputs>div{display:flex;flex-direction:column;gap:8px}.unlock-inputs strong{font-size:18px;font-weight:600}.unlock-inputs span:not(.input-operator){font-size:13px;color:var(--muted);line-height:1.5}.unlock-inputs span.input-label{font-size:10px;letter-spacing:.08em}.input-operator{font-size:24px;color:var(--amber)}
@media(max-width:760px){.unlock-inputs{grid-template-columns:1fr;gap:14px;padding:22px}.unlock-inputs .input-operator:last-of-type{transform:rotate(90deg);width:24px;text-align:center}.diagram-copy p{font-size:16px}}

/* Product introduction and security detail pages. */
.hero h1{font-size:clamp(42px,4.5vw,64px)}.actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px}.actions>a:not(.button){font-size:14px}.ruled{border-top:1px solid var(--line)}.two-up{grid-template-columns:repeat(2,1fr)}.features .step{margin-top:24px;color:var(--ink);font-size:13px}.section-note{font-size:14px;line-height:1.8;color:var(--muted);margin:24px 0}.security-summary{padding-bottom:64px}.development{display:grid;grid-template-columns:1fr 1.35fr;gap:48px;align-items:center;padding:64px 0}.development p:not(.eyebrow),.status>p:not(.eyebrow){color:var(--muted);font-size:17px;line-height:1.8}.prototype{margin:0;min-width:0}.prototype img{width:100%;height:auto;display:block;border:1px solid var(--line)}.prototype figcaption{color:var(--muted);font-size:12px;line-height:1.6;margin-top:14px}.page-intro{padding:70px 0}.page-intro h1{font-size:clamp(38px,5vw,64px);line-height:1.08;letter-spacing:-.04em;margin:0 0 28px}.page-intro .intro{max-width:740px}.section-links{justify-content:flex-start;gap:22px}.status{padding:55px 0}.status>.eyebrow,.development .eyebrow{color:var(--amber)}.status>p{max-width:850px}.family .availability{margin:0}a,button{touch-action:manipulation}
@media(max-width:760px){header{flex-wrap:wrap;padding:22px 0;gap:20px}header nav{justify-content:flex-start;gap:18px;font-size:12px}.hero h1{font-size:clamp(39px,9vw,61px)}.two-up,.development{grid-template-columns:1fr}.development{gap:30px;padding:48px 0}.page-intro{padding:50px 0}.section-links{line-height:1.8}.security-summary{padding-bottom:44px}}