:root{color-scheme:dark;--bg:#080f14;--panel:#101e27;--line:#28414b;--text:#edf6f6;--muted:#acc0c7;--accent:#53eed0;font-family:system-ui,sans-serif;color:var(--text);background:var(--bg)}
*{box-sizing:border-box}body{margin:0}a{color:var(--accent);text-underline-offset:5px}button,select{font:inherit}button,a,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:1px solid var(--line);border-radius:12px;padding:12px 16px;min-height:44px;background:var(--panel);color:var(--text)}button:hover{border-color:var(--accent)}button:focus-visible,a:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #eacb77;outline-offset:4px}button[aria-pressed=true]{background:var(--accent);color:#08221c;border-color:var(--accent)}header,main,footer{max-width:1200px;margin:auto;padding:28px}header{display:flex;justify-content:space-between;align-items:center;gap:20px;border-bottom:1px solid var(--line)}.wordmark{text-decoration:none;font-weight:800}.wordmark span{color:var(--muted);font-size:.85rem;margin-left:14px;font-weight:400}.intro{max-width:800px;padding:36px 0 20px}.eyebrow{font-size:.75rem;letter-spacing:.14em;color:var(--accent);line-height:1.8}h1{font-size:clamp(2.7rem,7vw,5rem);line-height:1.06;letter-spacing:-.055em;margin:16px 0}p,li{line-height:1.65}p{color:var(--muted)}.notice{font-size:.85rem;border-left:2px solid var(--accent);padding-left:14px}#sections{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0 32px}.workspace{display:grid;grid-template-columns:minmax(300px,440px) 1fr;gap:clamp(24px,6vw,90px);align-items:start}.phone{border:1px solid #36515c;border-radius:32px;padding:22px;background:linear-gradient(155deg,#14252f,#080f14 45%);box-shadow:0 20px 90px #0005;min-width:0}.phone-top{display:flex;justify-content:space-between;color:var(--muted);font-size:.75rem;margin-bottom:24px}#screen h2{font-size:1.8rem;margin:8px 0}#screen h3{font-size:1rem;margin-top:0}.card{border:1px solid var(--line);background:#101e27bd;border-radius:18px;padding:18px;margin:14px 0}.hero{background:radial-gradient(at top right,#1d4a47,#10232b 70%)}.ring{width:148px;height:148px;border-radius:50%;background:conic-gradient(var(--accent) 0 68%,#253e45 68% 100%);display:grid;place-items:center;margin:22px auto}.ring>div{background:#102128;border-radius:50%;width:126px;height:126px;display:flex;flex-direction:column;align-items:center;justify-content:center}.ring strong{font-size:2.7rem}.ring small{font-size:.7rem}.tag{display:inline-block;font-size:.75rem;padding:5px 9px;background:#193e3b;color:var(--accent);border-radius:6px}.row{display:flex;align-items:center;justify-content:space-between;gap:12px}.row p{margin:3px 0}.stack{display:grid;gap:10px}.primary{background:var(--accent);color:#07251e;font-weight:700;border-color:var(--accent);width:100%}.secondary{width:100%;margin-top:12px}.small{font-size:.8rem}.dim{color:var(--muted)}#bottom{display:flex;gap:4px;flex-wrap:wrap;margin-top:24px;border-top:1px solid var(--line);padding-top:16px}#bottom button{flex:1;padding:10px 6px;font-size:.7rem;border:0;background:transparent}#bottom button[aria-pressed=true]{color:var(--accent);background:#193331}aside{padding-top:10px}aside h2{font-size:1.8rem}aside h3{margin-top:26px}aside li{color:var(--muted);margin:9px 0}select{display:block;width:100%;margin:10px 0;padding:14px;background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:10px}#message{min-height:30px;color:var(--accent)}.warning{border-color:#cfac6a;color:#f3d9ab}.principles{margin-top:70px}.principles>div,.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.principles article,.gallery article{padding:22px;border:1px solid var(--line);border-radius:18px}.gallery img{width:100%;height:auto;border-radius:12px}.gallery h2{font-size:1.1rem}footer{color:var(--muted);font-size:.8rem;border-top:1px solid var(--line)}.history{display:flex;align-items:end;gap:8px;height:135px;margin:20px 0}.history button{flex:1;min-width:0;padding:8px 0;background:#1c5951;border-color:#318576}.history button:nth-child(1){height:50%}.history button:nth-child(2){height:70%}.history button:nth-child(3){height:60%}.history button:nth-child(4){height:85%}summary{cursor:pointer;padding:14px 0;min-height:44px}details p{font-size:.85rem}.phone button{overflow-wrap:anywhere}@media(max-width:760px){.workspace{grid-template-columns:1fr}.phone{max-width:440px;width:100%;margin:auto}.principles>div,.gallery{grid-template-columns:1fr}header,main,footer{padding:20px}.wordmark span{display:none}aside{border-top:1px solid var(--line);padding-top:24px}}@media(prefers-reduced-motion:no-preference){button{transition:background .15s,border-color .15s}}