:root{color-scheme:dark;--bg:#090909;--panel:#151513;--line:#30312b;--text:#f2f1eb;--muted:#a3a49a;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}button,a,summary{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button,summary{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid #c5bea0;outline-offset:5px}button{color:inherit}button:hover{filter:brightness(1.17)}.skip{position:absolute;left:20px;top:-100px;padding:14px;background:#f2f1eb;color:#090909;z-index:9}.skip:focus{top:10px}.topbar{max-width:1440px;margin:auto;display:flex;justify-content:space-between;align-items:center;height:80px;padding:0 5vw;border-bottom:1px solid var(--line)}.wordmark{font-size:22px;font-weight:650;letter-spacing:.16em;display:flex;align-items:center;min-height:44px}.wordmark span{font-size:10px;letter-spacing:.12em;color:var(--muted);margin-left:22px;font-weight:400}.topbar nav{display:flex;gap:28px;font-size:14px;color:#d0d0c5}.topbar nav a{padding:12px 0}.topbar nav a:last-child{padding-inline:17px;border:1px solid var(--line);border-radius:999px}main{max-width:1260px;margin:auto;padding:58px 32px 0}.intro{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:40px}.eyebrow,.section-tag{font-size:10px;letter-spacing:.16em;color:#a3a49a;margin:0 0 22px}.intro h1{font-size:clamp(36px,4.5vw,60px);font-weight:400;line-height:1.2;letter-spacing:-.045em;margin:0}.intro h1 span{color:#a3a49a}.intro-copy{color:#b7b8ac;font-size:15px;line-height:1.85;margin:0 0 4px}.intro-copy small{font-size:12px;color:#a3a49a;display:block;margin-top:12px}.identity-layout{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(330px,1fr);gap:18px}.sculpture-card{border:1px solid var(--line);border-radius:16px;background:var(--panel);overflow:hidden;display:flex;flex-direction:column}.card-top{padding:18px 24px;display:flex;justify-content:space-between;align-items:center;font-size:10px;letter-spacing:.06em}.subtle{color:#a3a49a}.card-top button{min-height:44px;padding:10px 14px;border:1px solid #3b3d33;border-radius:30px;background:transparent;font-size:11px;display:flex;align-items:center;gap:20px;letter-spacing:0}.card-top button[aria-pressed=true]{background:#f2f1eb;color:#151513}.sculpture-stage{position:relative;min-height:350px;flex:1;display:grid;place-items:center;background:radial-gradient(ellipse at center,#24251f 0%,#191a16 48%,#151513 72%)}#featured{width:350px;height:350px;max-width:100%;touch-action:pan-y;transition:opacity .16s ease}.stage-caption{position:absolute;bottom:10px;font-size:8px;letter-spacing:.24em;color:#a3a49a}.sculpture-caption{display:flex;justify-content:space-between;align-items:center;padding:27px 28px 30px}.sculpture-caption h2{font-size:23px;font-weight:500;letter-spacing:-.035em;margin:0 0 9px}.sculpture-caption p{font-size:14px;color:#a3a49a;margin:0}.sculpture-caption>span{font-size:10px;letter-spacing:.12em;color:#a3a49a}.controls{display:flex;flex-direction:column;padding:9px 0 0}.selector-heading{display:flex;justify-content:space-between;align-items:center;margin:0 0 13px;gap:12px}.selector-heading h2{font-size:14px;font-weight:500;margin:0}.selector-heading>span{font-size:10px;color:#a3a49a}.identity-options{display:grid;gap:8px}.identity-option{width:100%;display:flex;text-align:left;align-items:center;gap:15px;border:1px solid #30312b;background:#151513;border-radius:12px;min-height:79px;padding:8px 17px;transition:background .2s,border-color .2s}.identity-option:hover{background:#1d1e1a}.identity-option[aria-pressed=true]{border-color:#a3a49a;background:#272821}.identity-option karmen-avatar{width:57px;height:57px}.identity-option strong{font-weight:500;font-size:14px}.identity-option small{font-size:12px;color:#a3a49a;display:block;margin-top:6px}.selection-dot{height:7px;width:7px;border:1px solid #a3a49a;border-radius:50%;margin-left:auto}.identity-option[aria-pressed=true] .selection-dot{background:#f2f1eb;border-color:#f2f1eb}.state-card{margin-top:22px}.state-options{display:grid;grid-template-columns:repeat(4,1fr);gap:5px;background:#151513;border:1px solid #30312b;border-radius:12px;padding:4px}.state-options button{min-height:44px;font-size:13px;border:0;border-radius:8px;background:transparent;color:#b7b8ac;white-space:nowrap}.state-options button[aria-pressed=true]{background:#3b3d33;color:#f2f1eb}.state-card p{font-size:13px;color:#b7b8ac;line-height:1.7;margin:12px 2px 0;min-height:19px}#motion-note{color:#a3a49a;font-size:12px;margin-top:6px}.usage-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}.usage-card{background:#151513;border:1px solid var(--line);padding:27px;border-radius:16px}.usage-card .section-tag{margin:0 0 12px;font-size:9px}.usage-card h2{font-size:21px;font-weight:400;margin:0 0 28px;letter-spacing:-.025em}.context-header{display:flex;align-items:center;gap:13px;padding:14px 16px;background:#1d1e1a;border-radius:13px;border:1px solid #3b3d33}.context-header karmen-avatar{width:40px;height:40px}.context-header strong{font-size:14px;font-weight:500}.context-header small{font-size:10px;display:block;color:#a3a49a;margin-top:6px}.context-size{font-size:8px;letter-spacing:.1em;color:#a3a49a;margin-left:auto}.context-message{display:flex;align-items:flex-start;gap:10px;padding:22px 8px}.context-message karmen-avatar{width:28px;height:28px;margin-top:9px}.context-message p{margin:0;padding:14px 19px;font-size:14px;background:#272821;color:#d0d0c5;border-radius:3px 16px 16px;line-height:1.85}.context-message .context-size{align-self:center}.roster{display:grid;grid-template-columns:repeat(3,1fr);gap:5px 12px;margin-top:-9px}.roster>div{display:flex;align-items:center;gap:5px;min-height:55px}.roster karmen-avatar{width:44px;height:44px}.roster span{font-size:8px;color:#a3a49a;white-space:nowrap}.integration{margin-top:60px;display:grid;grid-template-columns:1fr 1fr;gap:38px;padding-bottom:55px}.integration h2{font-weight:400;font-size:23px;margin:0 0 18px}.integration p:not(.section-tag){font-size:14px;line-height:1.9;color:#a3a49a}.integration .section-tag{margin-bottom:20px}.integration details{align-self:start;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#151513}.integration summary{cursor:pointer;padding:20px;min-height:60px;list-style:none;font-size:14px;display:flex;align-items:center;justify-content:space-between}.integration summary::-webkit-details-marker{display:none}.integration details[open] summary{border-bottom:1px solid var(--line)}pre{white-space:pre-wrap;overflow-wrap:anywhere;padding:5px 20px;font-size:11px;color:#d0d0c5;line-height:1.8}#copy-code{margin:0 20px;border:1px solid #66695a;border-radius:7px;background:#272821;min-height:44px;padding:10px 17px;font-size:11px}#copy-result{font-size:11px;color:#c5bea0;display:inline-block;margin:10px 20px 0}.code-note{padding:0 20px 6px}footer{display:flex;justify-content:space-between;gap:20px;max-width:1260px;margin:auto;padding:28px 32px 35px;border-top:1px solid var(--line);color:#a3a49a;font-size:10px;letter-spacing:.04em}footer a{padding:0 0 12px}
/* Keep the model large enough for its surface lighting to read clearly. */
#featured { width: min(100%, 390px); height: auto; aspect-ratio: 1; }
@media(min-width:1450px){.topbar{padding:0 76px}}
@media(max-width:800px){.topbar{height:74px;padding:0 22px}.wordmark{font-size:17px}.wordmark span{font-size:8px;margin-left:12px}.topbar nav{gap:15px;font-size:10px}.topbar nav a:first-child{display:none}main{padding:35px 18px 0}.intro{display:block;margin-bottom:26px}.intro h1{font-size:36px}.intro-copy{margin-top:21px;font-size:12px;line-height:1.7}.intro-copy br{display:none}.intro-copy small{margin-top:5px}.eyebrow{font-size:9px;margin-bottom:16px}.identity-layout{grid-template-columns:1fr}.sculpture-stage{min-height:270px}#featured{width:290px;height:290px}.card-top{padding:14px 18px}.sculpture-caption{padding:20px 23px 26px}.sculpture-caption h2{font-size:20px}.controls{margin-top:7px}.identity-options{grid-template-columns:1fr 1fr}.identity-option{padding:8px;min-height:100px;display:grid;grid-template-columns:42px 1fr;gap:3px}.identity-option karmen-avatar{width:43px;height:43px}.identity-option strong{font-size:10px;line-height:1.6;display:block}.identity-option small{font-size:9px;line-height:1.5;margin-top:4px}.selection-dot{display:none}.state-card{margin-top:25px}.state-options button{font-size:11px}.usage-grid{grid-template-columns:1fr;margin-top:27px}.usage-card{padding:24px}.integration{grid-template-columns:1fr;gap:20px;margin-top:40px;padding-bottom:32px}.integration h2{font-size:22px}footer{padding:24px 20px;flex-wrap:wrap;font-size:9px}footer>span:nth-child(2){order:3;width:100%}.roster{gap:8px 3px}.roster karmen-avatar{width:40px;height:40px}.roster span{font-size:7px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
.usage-card{min-width:0}.roster{grid-template-columns:repeat(3,minmax(0,1fr))}.context-message p{min-width:0}
.topbar nav a,footer a{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px}
@media(max-width:380px){.roster>div{flex-direction:column;align-items:flex-start;gap:0}.context-size{display:none}.usage-card{padding:22px}.context-header{padding:12px}.context-message{padding:22px 0}.context-message p{font-size:11px}.sculpture-caption p{max-width:175px;line-height:1.7}.sculpture-caption h2{font-size:18px}}

/* Mobile readability and touch layout — preserve the desktop identity composition. */
.state-options button { min-height: 44px; }
@media (max-width: 800px) {
  .topbar { gap: 16px; }
  .topbar nav { gap: 18px; font-size: 14px; }
  .topbar nav a:first-child { display: inline-flex; }
  .topbar nav a { min-height: 44px; padding-block: 10px; white-space: nowrap; }
  main { padding: 36px 20px 0; }
  .intro-copy { font-size: 14px; line-height: 1.85; }
  .intro-copy small { font-size: 12px; line-height: 1.75; }
  .selector-heading { gap: 10px; align-items: baseline; }
  .selector-heading h2 { font-size: 15px; }
  .selector-heading > span { font-size: 11px; }
  .card-top { font-size: 11px; gap: 12px; }
  .card-top button { font-size: 12px; gap: 10px; flex-shrink: 0; }
  .sculpture-caption { gap: 12px; }
  .sculpture-caption > div { min-width: 0; }
  .sculpture-caption p { font-size: 13px; line-height: 1.75; max-width: none; }
  .sculpture-caption > span { flex-shrink: 0; font-size: 11px; }
  .identity-options { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .identity-option { min-width: 0; min-height: 98px; padding: 12px; grid-template-columns: 44px minmax(0, 1fr); gap: 10px; }
  .identity-option strong { font-size: 13px; line-height: 1.6; overflow-wrap: anywhere; }
  .identity-option small { font-size: 11px; line-height: 1.7; }
  .state-options button { min-height: 44px; font-size: 13px; padding-inline: 4px; }
  .state-card p { font-size: 13px; line-height: 1.8; }
  #motion-note { font-size: 12px; }
  .usage-card { padding: 24px; }
  .context-header { min-width: 0; padding: 14px; gap: 10px; }
  .context-header > span:not(.context-size) { min-width: 0; }
  .context-header strong { font-size: 14px; line-height: 1.6; overflow-wrap: anywhere; }
  .context-header small { font-size: 11px; line-height: 1.7; }
  .context-header karmen-avatar, .context-message karmen-avatar { flex-shrink: 0; }
  .context-message { padding: 22px 0; gap: 10px; }
  .context-message p { font-size: 14px; line-height: 1.85; padding: 13px 15px; }
  .context-size { display: none; }
  .roster { gap: 14px 8px; }
  .roster > div { flex-direction: column; align-items: center; min-height: 77px; gap: 6px; }
  .roster karmen-avatar { width: 44px; height: 44px; }
  .roster span { font-size: 11px; line-height: 1.7; }
  .integration p:not(.section-tag) { font-size: 14px; line-height: 1.85; }
  .integration summary { font-size: 14px; }
  pre { font-size: 12px; }
  #copy-code { font-size: 13px; }
  #copy-result { font-size: 12px; }
  footer { gap: 12px 20px; font-size: 11px; line-height: 1.8; }
  footer a { font-size: 13px; padding-block: 8px; }
}
.brand-logo { display: block; width: 148px; height: auto; flex: none; }
@media (max-width: 600px) { .brand-logo { width: 124px; } }
@media (max-width: 600px) {
  .topbar { height: auto; min-height: 110px; padding: 16px 20px 8px; flex-wrap: wrap; gap: 2px 16px; }
  .topbar nav { width: 100%; justify-content: space-between; }
}
@media (max-width: 480px) {
  main { padding: 30px 16px 0; }
  .intro h1 { font-size: clamp(30px, 8.8vw, 36px); }
  .identity-options { grid-template-columns: 1fr; }
  .identity-option { min-height: 80px; padding: 12px 14px; grid-template-columns: 44px minmax(0, 1fr); gap: 13px; }
  .state-options { gap: 2px; }
  .state-options button { padding-inline: 2px; }
  .card-top { padding: 12px 14px; letter-spacing: 0; }
  .sculpture-caption { padding: 20px; }
  .usage-card { padding: 20px; }
  .sculpture-stage { min-height: 260px; }
  #featured { width: min(290px, 100%); height: 280px; }
}