/* ─────────────────────────────────────────────────────────────
   tots — design tokens lifted from the tots app UI
   Light surfaces, near-black text, violet accent, soft borders.
   ───────────────────────────────────────────────────────────── */
:root{
  --bg:#ffffff;
  --soft:#f7f7f8;
  --card:#f3f4f6;
  --border:#e7e7ea;
  --border-2:#eeeef1;
  --text:#17171a;
  --text-2:#6b7280;
  --text-3:#9ca3af;
  --accent:#7c3aed;
  --accent-2:#8b5cf6;
  --accent-soft:#f5f3ff;
  --dark:#17171a;
  --r:14px;
  --r-lg:20px;
  --shadow-sm:0 1px 2px rgba(16,16,20,.05);
  --shadow:0 1px 2px rgba(16,16,20,.04),0 10px 30px rgba(16,16,20,.07);
  --shadow-lg:0 2px 4px rgba(16,16,20,.04),0 30px 70px rgba(16,16,20,.12);
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--font);font-size:16px;line-height:1.55;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img,svg{display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3{margin:0;letter-spacing:-.02em;line-height:1.12;font-weight:600}
p{margin:0}
.wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 24px}
.wrap.narrow{max-width:760px}
.hide-sm{display:inline-flex}

/* ── buttons ─────────────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  border-radius:999px;padding:9px 16px;font-size:14px;font-weight:500;
  border:1px solid transparent;transition:.18s ease;white-space:nowrap;
}
.btn-lg{padding:12px 22px;font-size:15px}
.btn-sm{padding:7px 13px;font-size:13px}
.btn-dark{background:var(--dark);color:#fff}
.btn-dark:hover{background:#000;transform:translateY(-1px)}
.btn-line{border-color:var(--border);background:#fff;color:var(--text)}
.btn-line:hover{background:var(--soft);border-color:#d9d9de}
.btn-ghost{color:var(--text-2)}
.btn-ghost:hover{color:var(--text)}
.link{color:var(--text-2);font-size:13px}
.link:hover{color:var(--text)}

/* ── topbar ─────────────────────────────────────────────── */
.topbar{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.82);backdrop-filter:blur(14px) saturate(160%);border-bottom:1px solid var(--border-2)}
.topbar-in{display:flex;align-items:center;gap:22px;height:60px}
.brand{display:flex;align-items:center;gap:9px;font-weight:600}
.brand-mark{color:var(--text);display:flex}
.brand-mark circle:first-child{opacity:.45}
.brand-name{font-size:17px;letter-spacing:-.02em}
.chev{width:14px;height:14px;color:var(--text-3);flex:none}
.nav{display:flex;gap:22px;margin-left:14px;font-size:14px;color:var(--text-2)}
.nav a:hover{color:var(--text)}
.topbar-cta{margin-left:auto;display:flex;align-items:center;gap:6px}

/* ── hero ───────────────────────────────────────────────── */
.hero{padding:74px 0 0;background:
  radial-gradient(1100px 460px at 50% -180px,#f4f0ff 0%,rgba(255,255,255,0) 70%),
  linear-gradient(#fff,#fff)}
.hero-head{max-width:760px;margin:0 auto;text-align:center}
.chip{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:500;color:var(--accent);
  background:var(--accent-soft);border:1px solid #e9e2ff;border-radius:999px;padding:5px 12px;margin-bottom:20px;
}
h1{font-size:clamp(36px,5.6vw,64px);font-weight:600}
h1 em{font-style:normal;color:var(--accent);background:linear-gradient(180deg,#8b5cf6,#6d28d9);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.lede{margin:20px auto 0;max-width:620px;font-size:17.5px;color:var(--text-2)}
.hero-cta{display:flex;gap:10px;justify-content:center;margin-top:30px;flex-wrap:wrap}
.trust{margin-top:16px;font-size:13px;color:var(--text-3)}

/* ── app window mock ───────────────────────────────────── */
.app-wrap{margin-top:58px;position:relative}
.app-caption{text-align:center;margin-top:14px;font-size:12.5px;color:var(--text-3)}
.app{
  display:grid;grid-template-columns:56px 214px minmax(0,1fr) 306px;
  background:#fff;border:1px solid var(--border);border-radius:18px;
  box-shadow:var(--shadow-lg);overflow:hidden;text-align:left;
  min-height:560px;font-size:13.5px;
}
.rail{background:var(--soft);border-right:1px solid var(--border-2);padding:14px 0;display:flex;justify-content:center}
.rail-stack{display:flex;flex-direction:column;gap:10px}
.dot-avatar{
  width:30px;height:30px;border-radius:11px;display:block;flex:none;
  background:radial-gradient(70% 70% at 32% 26%,var(--s1),var(--s2));
  box-shadow:inset 0 -3px 8px rgba(0,0,0,.18),inset 0 3px 6px rgba(255,255,255,.45),0 1px 3px rgba(16,16,20,.18);
  transition:.18s ease;
}
.dot-avatar.big{width:38px;height:38px;border-radius:13px}
.dot-avatar.is-active,.dot-avatar:hover{transform:scale(1.06)}
.dot-avatar.is-active{box-shadow:0 0 0 2px #fff,0 0 0 4px var(--accent-2),inset 0 -3px 8px rgba(0,0,0,.2)}
.av-indigo{--s1:#a78bfa;--s2:#6d28d9}
.av-cyan{--s1:#67e8f9;--s2:#0e7490}
.av-pink{--s1:#f9a8d4;--s2:#be185d}
.av-red{--s1:#fca5a5;--s2:#b91c1c}
.av-blue{--s1:#93c5fd;--s2:#1d4ed8}
.av-green{--s1:#86efac;--s2:#15803d}
.av-amber{--s1:#fde68a;--s2:#b45309}
.av-violet{--s1:#c4b5fd;--s2:#5b21b6}

.side{background:var(--soft);border-right:1px solid var(--border-2);padding:14px 10px;display:flex;flex-direction:column;gap:2px;position:relative}
.side-top{display:flex;align-items:center;gap:8px;padding:2px 6px 12px}
.side-logo{color:var(--text-2);display:flex}
.side-agent{font-weight:600;font-size:14px}
.side-item{display:flex;align-items:center;gap:9px;padding:8px 8px;border-radius:9px;color:var(--text);font-size:13.5px;text-align:left}
.side-item:hover{background:#ededf1}
.ic{width:17px;height:17px;flex:none;color:var(--text-2)}
.side-item .ic{color:var(--text-2)}
.side-label{margin:16px 8px 7px;font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-3);font-weight:500}
.side-list{display:flex;flex-direction:column;gap:1px}
.side-chat{padding:7px 8px;border-radius:9px;font-size:13px;color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:default}
.side-chat:hover{background:#ededf1;color:var(--text)}
.side-chat.is-active{background:#ededf1;color:var(--text);font-weight:500}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:6px;padding:10px 4px 2px}
.round{width:26px;height:26px;border-radius:999px;display:grid;place-items:center;color:var(--text-2);border:1px solid var(--border);background:#fff}
.round:hover{color:var(--text);border-color:#d8d8de}

.main{min-width:0;display:flex;flex-direction:column;background:#fff}
.main-top{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 16px;border-bottom:1px solid var(--border-2)}
.pill-btn{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--border);background:#fff;border-radius:999px;padding:6px 11px;font-size:13px;font-weight:500;box-shadow:var(--shadow-sm)}
.pill-btn:hover{background:var(--soft)}
.status{color:var(--text-2);font-weight:400}
.status .ic{width:15px;height:15px}
.status .sep{color:var(--text-3)}
.dot-off{width:7px;height:7px;border-radius:999px;background:#c9cad0;display:inline-block}
.model-select{position:relative}
.model-menu{
  position:absolute;top:calc(100% + 8px);left:0;width:340px;max-height:430px;overflow:auto;
  background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow-lg);padding:8px;z-index:30;text-align:left;
}
.mm-group{margin:8px 8px 4px;font-size:10.5px;letter-spacing:.07em;text-transform:uppercase;color:var(--text-3);font-weight:500}
.mm-item{display:block;width:100%;text-align:left;padding:8px 10px;border-radius:10px;position:relative}
.mm-item:hover{background:var(--soft)}
.mm-item b{display:block;font-size:13.5px;font-weight:600}
.mm-item i{display:block;font-style:normal;font-size:12px;color:var(--text-2);line-height:1.4;margin-top:2px}
.mm-item.is-checked::after{content:"✓";position:absolute;right:10px;top:9px;color:var(--accent);font-size:12px}
.mm-item.is-checked{background:var(--accent-soft)}

.main-body{padding:44px 34px 26px;display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1}
.hero-mascot{margin-bottom:18px}
.hi{font-size:30px;font-weight:600;text-align:center}
.hi-sub{max-width:430px;text-align:center;color:var(--text-2);font-size:14px;margin-top:10px}
.composer{
  width:100%;max-width:560px;margin-top:26px;background:#fff;border:1px solid var(--border);
  border-radius:16px;box-shadow:var(--shadow);padding:14px 14px 10px;text-align:left;
}
.composer .ph{color:var(--text-3);font-size:13.5px}
.composer-foot{display:flex;align-items:center;justify-content:space-between;margin-top:16px}
.cf-left{display:flex;align-items:center;gap:12px}
.cf-tag{display:inline-flex;align-items:center;gap:5px;font-size:12.5px;color:var(--text-2);background:var(--card);border-radius:999px;padding:4px 9px}
.cf-tag .ic{width:14px;height:14px}
.send{width:26px;height:26px;border-radius:999px;background:#ececed;color:#8b8b93;display:grid;place-items:center}
.send svg{width:15px;height:15px}
.suggests{display:grid;grid-template-columns:1fr 1fr;gap:10px;width:100%;max-width:560px;margin-top:16px}
.suggest{
  display:flex;align-items:flex-start;gap:9px;text-align:left;background:var(--card);
  border-radius:12px;padding:11px 12px;font-size:12.5px;color:var(--text);line-height:1.4;
}
.suggest:hover{background:#ececed}
.suggest .ic{width:16px;height:16px;margin-top:1px}
.app-foot{margin-top:20px;font-size:11.5px;color:var(--text-3);text-align:center}

.drawer{background:#fff;border-left:1px solid var(--border-2);display:flex;flex-direction:column;min-width:0}
.drawer-head{padding:12px 14px 0;border-bottom:1px solid var(--border-2)}
.drawer-tabs{display:flex;gap:14px;overflow:auto}
.drawer-tabs button{font-size:12.5px;color:var(--text-2);padding:0 0 9px;border-bottom:2px solid transparent}
.drawer-tabs button.is-active{color:var(--text);font-weight:500;border-color:var(--accent-2)}
.drawer-body{padding:16px;display:flex;flex-direction:column;gap:12px;overflow:auto}
.drawer-body[hidden]{display:none}
.dh{display:flex;align-items:center;gap:8px;font-size:13.5px}
.dh-t{display:inline-flex;align-items:baseline;gap:0}
.dh .x{margin-left:auto;color:var(--text-3)}
.dh .ic{width:16px;height:16px}
.empty{border:1px dashed #dcdce2;border-radius:14px;padding:20px 16px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:10px}
.empty p{font-size:12.5px;color:var(--text-2);max-width:210px}
.hint{font-size:12px;color:var(--text-3);line-height:1.5}
.card{border:1px solid var(--border);border-radius:12px;padding:12px;box-shadow:var(--shadow-sm);background:#fff}
.card-top{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:13px}
.pill{font-size:10.5px;background:var(--card);color:var(--text-2);border-radius:999px;padding:2px 8px}
.meta{font-size:12px;color:var(--text-2);margin-top:6px;display:flex;align-items:center;gap:6px}
.bar{width:1px;height:11px;background:var(--border);display:inline-block}
.run-row{display:grid;grid-template-columns:10px minmax(0,1fr);align-items:center;gap:8px;background:var(--soft);border-radius:9px;padding:8px 10px}
.opts{display:flex;flex-direction:column;gap:7px}
.opt{border:1px solid var(--border);border-radius:11px;padding:9px 11px;display:flex;flex-direction:column;gap:3px}
.opt b{font-size:12.5px;font-weight:600}
.opt span{font-size:11.5px;color:var(--text-3);line-height:1.45}
.opt.is-active{background:#f2f9fb;border-color:#9fdcea}
.run-row code{font-family:var(--mono);font-size:11.5px;color:var(--text-2)}
.run-dot{width:6px;height:6px;border-radius:999px;background:#d4d4da;flex:none}
.run-dot.ok{background:#22c55e}
.tabs-mini{display:flex;gap:8px;font-size:12px;color:var(--text-2)}
.tabs-mini span{background:var(--card);border-radius:999px;padding:4px 10px}
.tabs-mini .is-active{background:var(--text);color:#fff}
.mem-row{background:var(--soft);border-radius:9px;padding:9px 11px;font-size:12.5px;color:var(--text)}
.mem-add{border:1px dashed #dcdce2;border-radius:9px;padding:9px 11px;font-size:12.5px;color:var(--text-3)}
.lb{display:block;font-size:12px;font-weight:500;color:var(--text-2)}
.field{border:1px solid var(--border);border-radius:9px;padding:8px 10px;font-size:13px}
.seg{display:inline-flex;gap:4px;background:var(--soft);border-radius:999px;padding:3px;width:fit-content}
.seg span{font-size:12px;padding:4px 14px;border-radius:999px;color:var(--text-2)}
.seg .is-active{background:#fff;color:var(--text);box-shadow:var(--shadow-sm)}
.drawer-actions{display:flex;align-items:center;justify-content:flex-end;gap:12px;margin-top:2px}

/* ── strip ──────────────────────────────────────────────── */
.strip{border-top:1px solid var(--border-2);border-bottom:1px solid var(--border-2);margin-top:70px;background:var(--soft)}
.strip-in{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding-top:26px;padding-bottom:26px}
.strip-in div{display:flex;flex-direction:column;gap:3px}
.strip-in b{font-size:19px;letter-spacing:-.02em}
.strip-in span{font-size:12.5px;color:var(--text-2)}

/* ── sections ───────────────────────────────────────────── */
.sec{padding:88px 0}
.sec.soft{background:var(--soft)}
.sec.dark{background:#111114;color:#fff}
.sec-head{max-width:720px;margin-bottom:44px}
.eyebrow{margin-bottom:14px;font-size:11.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--accent);font-weight:600}
.sec.dark .eyebrow{color:#c4b5fd}
.sec-head h2{font-size:clamp(26px,3.4vw,38px)}
.sec-sub{margin-top:16px;font-size:16.5px;color:var(--text-2)}
.sec.dark .sec-sub{color:#a1a1aa}
.grid{display:grid;gap:16px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

.fcard{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:24px;display:flex;flex-direction:column;gap:12px}
.sec.soft .fcard{background:#fff}
.fcard h3{font-size:17px}
.fcard p{font-size:14.5px;color:var(--text-2)}
.fcard .fine{font-size:13px;color:var(--text-3);border-top:1px solid var(--border-2);padding-top:12px}
.fic{width:40px;height:40px;border-radius:12px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center}
.fic svg{width:21px;height:21px}
.note{margin-top:26px;font-size:12.5px;color:var(--text-3);max-width:860px;line-height:1.6}

/* cases */
.cases{display:flex;flex-direction:column;gap:12px}
.case{display:grid;grid-template-columns:150px minmax(0,1fr);gap:26px;background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:24px;align-items:start}
.case-side{display:flex;flex-direction:column;gap:12px}
.case-name{font-size:13px;font-weight:600;color:var(--text-2)}
.case-main h3{font-size:18px}
.case-main p{margin-top:10px;font-size:14.5px;color:var(--text-2)}

/* builder / playground */
.builder{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:16px;align-items:stretch}
.builder-preview{
  background:linear-gradient(180deg,#fbfaff,#f6f4ff 60%,#f3f1ff);
  border:1px solid var(--border);border-radius:var(--r-lg);
  padding:34px 24px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;min-height:420px;
}
.mascot-stage{transition:transform .3s cubic-bezier(.2,.8,.3,1)}
.state-row{display:flex;flex-wrap:wrap;gap:6px;justify-content:center}
.state-chip{background:var(--card);border-radius:999px;padding:5px 12px;font-size:12.5px;color:var(--text-2)}
.state-chip:hover{background:#e9e9ee}
.state-chip.is-active{background:var(--text);color:#fff}
.mascot-caption{font-size:12.5px;color:var(--text-2)}
.mascot-caption b{font-weight:600;color:var(--text)}
.builder-panel{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:22px;display:flex;flex-direction:column;gap:10px}
.input{border:1px solid var(--border);border-radius:10px;padding:10px 12px;font:inherit;font-size:14px;width:100%;outline:none}
.input:focus{border-color:var(--accent-2);box-shadow:0 0 0 3px rgba(139,92,246,.14)}
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.tile{border:1px solid var(--border);background:#fff;border-radius:12px;padding:10px 0;display:grid;place-items:center;min-height:78px}
.tile:hover{border-color:#d8d8de}
.tile.is-active{background:#f2edff;border-color:var(--accent-2)}
.swatches{display:flex;gap:8px}
.swatch{width:30px;height:30px;border-radius:999px;background:linear-gradient(150deg,var(--s1),var(--s2));border:2px solid transparent;box-shadow:inset 0 -3px 6px rgba(0,0,0,.16)}
.swatch.is-active{border-color:var(--text);outline:2px solid #fff;outline-offset:-4px}
.chips{display:flex;flex-wrap:wrap;gap:7px}
.chip-btn{border:1px solid var(--border);border-radius:999px;padding:6px 12px;font-size:12.5px;color:var(--text-2)}
.chip-btn:hover{border-color:#d8d8de}
.chip-btn.is-active{background:var(--text);color:#fff;border-color:var(--text)}
.builder-actions{display:flex;align-items:center;justify-content:flex-end;gap:14px;margin-top:auto;padding-top:8px}

/* channels */
.chan{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:22px;display:flex;flex-direction:column;gap:8px}
.chan b{font-size:16px}
.chan span{font-size:13.5px;color:var(--text-2)}

/* dark split */
.dark-split{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:42px}
.dark-p{font-size:15px;color:#a1a1aa;margin-bottom:14px}
.pill-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.pill-dark{background:#1c1c21;border:1px solid #2a2a31;color:#d4d4d8;border-radius:999px;padding:6px 13px;font-size:12.5px}
.dark-card{background:#17171b;border:1px solid #26262c;border-radius:var(--r-lg);padding:24px}
.dark-card h3{font-size:17px}
.dark-card p{margin-top:12px;font-size:14px;color:#a1a1aa}
.dark-card .fine{font-size:13px;color:#8b8b93;border-top:1px solid #26262c;padding-top:12px}

/* own */
.own{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:22px;display:flex;flex-direction:column;gap:8px}
.own-n{font-size:11.5px;font-weight:600;color:var(--accent);letter-spacing:.06em}
.own b{font-size:16px}
.own span{font-size:13.5px;color:var(--text-2)}
.sec.soft .own{background:#fff}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:16px}
.plan{border:1px solid var(--border);border-radius:var(--r-lg);padding:22px;background:linear-gradient(180deg,#fff,#fbfbfc)}
.plan b{display:block;font-size:16px;margin-bottom:8px}
.plan span{font-size:13.5px;color:var(--text-2)}

/* faq */
.faq-h{font-size:clamp(24px,3vw,32px);margin-bottom:22px}
.faq{border-bottom:1px solid var(--border);padding:16px 0}
.faq summary{cursor:pointer;font-size:15.5px;font-weight:500;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--text-3);font-size:18px;line-height:1}
.faq[open] summary::after{content:"–"}
.faq p{margin-top:12px;font-size:14.5px;color:var(--text-2)}

/* footer */
.foot{border-top:1px solid var(--border-2);padding:56px 0 30px;background:#fff}
.foot-in{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:40px}
.foot-brand{display:flex;flex-direction:column;gap:10px;max-width:320px}
.foot-brand .brand-mark{color:var(--text)}
.foot-brand b{font-size:17px}
.foot-brand p{font-size:13.5px;color:var(--text-2)}
.foot-links{display:flex;gap:60px}
.foot-links div{display:flex;flex-direction:column;gap:9px}
.foot-links b{font-size:12.5px;letter-spacing:.05em;text-transform:uppercase;color:var(--text-3);font-weight:600;margin-bottom:3px}
.foot-links a{font-size:14px;color:var(--text-2)}
.foot-links a:hover{color:var(--text)}
.foot-fine{margin-top:38px;border-top:1px solid var(--border-2);padding-top:20px}
.foot-fine p{font-size:12px;color:var(--text-3);max-width:860px}
.foot-fine a{color:var(--text-2);text-decoration:underline;text-underline-offset:2px}

/* ── mascot svg helper classes ──────────────────────────── */
.mas{overflow:visible}
.mas .eye-open,.mas .eye-happy,.mas .eye-closed,.mas .eye-look,.mas .eye-x,.mas .mouth-smile,.mas .mouth-open,.mas .mouth-flat,.mas .mouth-wave{display:none}
.mas[data-state="idle"] .eye-open,.mas[data-state="idle"] .mouth-smile{display:block}
.mas[data-state="happy"] .eye-happy,.mas[data-state="happy"] .mouth-smile{display:block}
.mas[data-state="speaking"] .eye-open,.mas[data-state="speaking"] .mouth-wave{display:block}
.mas[data-state="thinking"] .eye-look,.mas[data-state="thinking"] .mouth-flat{display:block}
.mas[data-state="working"] .eye-open,.mas[data-state="working"] .mouth-flat{display:block}
.mas[data-state="error"] .eye-x,.mas[data-state="error"] .mouth-flat{display:block}
.mas[data-state="sleeping"] .eye-closed,.mas[data-state="sleeping"] .mouth-flat{display:block}
.mas .zzz,.mas .dots3,.mas .ring{opacity:0;transition:opacity .25s}
.mas[data-state="sleeping"] .zzz,.mas[data-state="thinking"] .dots3,.mas[data-state="working"] .ring{opacity:1}
.mas .ring{transform-origin:center}
.mas[data-state="working"] .ring{animation:spin 1.1s linear infinite}
.mas[data-state="sleeping"] .zzz{animation:float 2.2s ease-in-out infinite}
.mas[data-state="thinking"] .dots3 circle{animation:blink 1.2s ease-in-out infinite}
.mas[data-state="thinking"] .dots3 circle:nth-child(2){animation-delay:.15s}
.mas[data-state="thinking"] .dots3 circle:nth-child(3){animation-delay:.3s}
.mas[data-state="speaking"] .mouth-wave{animation:talk .5s ease-in-out infinite}
.mas[data-state="working"],.mas[data-state="thinking"]{animation:bob 2s ease-in-out infinite}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes float{0%,100%{transform:translateY(0);opacity:.9}50%{transform:translateY(-4px);opacity:1}}
@keyframes blink{0%,100%{opacity:.25}50%{opacity:1}}
@keyframes talk{0%,100%{transform:scaleY(1)}50%{transform:scaleY(1.6)}}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}

/* reveal */
.rv{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.8,.3,1)}
.rv.in{opacity:1;transform:none}

/* ── meet the dots — living characters ───────────────────── */
.sec-head.center{max-width:760px;margin-left:auto;margin-right:auto;text-align:center}
.cast{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.cast-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:16px 12px 15px;display:flex;flex-direction:column;align-items:center;gap:6px;
  text-align:center;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.cast-card:hover{transform:translateY(-2px);border-color:#dcdce2;box-shadow:var(--shadow-sm)}
.cast-card:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.cast-stage{position:relative;display:block;width:100%;height:120px}
.cast-mas{position:absolute;left:50%;bottom:0;display:block;transform:translateX(-50%);transform-origin:50% 88%}
.cast-card b{font-size:14px;font-weight:600}
.cast-line{font-size:12px;color:var(--text-3);line-height:1.45}
.cast-bub{
  position:absolute;left:50%;top:-4px;transform:translate(-50%,6px) scale(.92);
  background:var(--text);color:#fff;font-size:11.5px;font-weight:500;padding:3px 10px;border-radius:999px;
  opacity:0;transition:.18s ease;white-space:nowrap;pointer-events:none;z-index:2;
}
.cast-card.is-say .cast-bub{opacity:1;transform:translate(-50%,0) scale(1)}
.cast-z{position:absolute;right:16%;top:6px;font-size:13px;font-weight:600;color:var(--text-3);opacity:0}
.cast-card[data-now="sleeping"] .cast-z{opacity:.9;animation:castZ 2.6s ease-in-out infinite}
@keyframes castZ{0%{transform:translateY(2px);opacity:.25}50%{transform:translateY(-6px);opacity:.95}100%{transform:translateY(-12px);opacity:0}}
.cast-bar{margin-top:22px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.cast-hint{font-size:12.5px;color:var(--text-3);margin-left:4px}
.cast-card[data-anim="bob"] .cast-mas{animation:castBob 3.6s ease-in-out infinite}
.cast-card[data-anim="blink"] .cast-mas{animation:castBreathe 4.4s ease-in-out infinite}
.cast-card[data-anim="hop"] .cast-mas{animation:castHop 2.6s cubic-bezier(.3,.9,.3,1) infinite}
.cast-card[data-anim="wave"] .cast-mas{animation:castWave 3s ease-in-out infinite}
.cast-card[data-anim="sleep"] .cast-mas{animation:castBreathe 5s ease-in-out infinite}
.cast-card.is-party .cast-mas{animation:castDance .62s ease-in-out infinite}
.cast-card.is-react .cast-mas{animation:castReact .5s cubic-bezier(.3,.9,.3,1) 2}
@keyframes castBob{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(-7px)}}
@keyframes castBreathe{0%,100%{transform:translateX(-50%) scale(1)}50%{transform:translateX(-50%) scale(1.035)}}
@keyframes castHop{0%,72%,100%{transform:translateX(-50%) translateY(0) scaleY(1)}34%{transform:translateX(-50%) translateY(-16px) scaleY(1.05)}84%{transform:translateX(-50%) translateY(0) scaleY(.93)}}
@keyframes castWave{0%,100%{transform:translateX(-50%) rotate(-4.5deg)}50%{transform:translateX(-50%) rotate(4.5deg)}}
@keyframes castDance{0%,100%{transform:translateX(-50%) rotate(-9deg) translateY(0)}25%{transform:translateX(-50%) rotate(0) translateY(-9px)}50%{transform:translateX(-50%) rotate(9deg) translateY(0)}75%{transform:translateX(-50%) rotate(0) translateY(-9px)}}
@keyframes castReact{0%{transform:translateX(-50%) scale(1)}38%{transform:translateX(-50%) scale(1.13,.87)}68%{transform:translateX(-50%) scale(.94,1.06)}100%{transform:translateX(-50%) scale(1)}}

/* eyes blink on every rendered dot (idle life, like the character loops) */
.mas .eye-open{transform-box:view-box;transform-origin:60px 56px;animation:eyeBlink 5.4s ease-in-out infinite}
@keyframes eyeBlink{0%,93%,100%{transform:scaleY(1)}96%{transform:scaleY(.08)}}

/* ── open source ─────────────────────────────────────────── */
.os-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:22px;display:flex;flex-direction:column;gap:8px}
.sec.soft .os-card{background:#fff}
.os-card b{font-size:15.5px}
.os-card span{font-size:14px;color:var(--text-2)}
.os-band{margin-top:16px;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;background:var(--accent-soft);border:1px solid #e7e1fc;border-radius:var(--r-lg);padding:22px}
.os-band>div{display:flex;flex-direction:column;gap:6px}
.os-band b{font-size:14px}
.os-band span{font-size:13px;color:var(--text-2)}

/* ── token / CA ──────────────────────────────────────────── */
.ca-grid{margin-top:16px}
.ca-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow-sm)}
.ca-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.ca-k{font-size:11.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--text-3);font-weight:600}
.ca-badge{font-size:12px;font-weight:600;border-radius:999px;padding:4px 10px;background:var(--card);color:var(--text-2);white-space:nowrap}
.ca-badge.pending{background:#fff7ed;color:#b45309}
.ca-badge.live{background:#ecfdf5;color:#047857}
.ca-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:center}
.ca-addr{
  font-family:var(--mono);font-size:13.5px;background:var(--soft);border:1px dashed var(--border);
  border-radius:12px;padding:13px 14px;display:block;min-width:0;color:var(--text-2);
  white-space:normal;overflow-wrap:anywhere;word-break:break-word;
}
.ca-addr.live{color:var(--text);background:#fff;border-style:solid}
.ca-copy{
  border:1px solid var(--border);border-radius:999px;padding:11px 18px;font-size:13.5px;font-weight:500;
  background:#fff;transition:.18s ease;text-align:center;
}
.ca-copy:hover:not(:disabled){border-color:#d8d8de;background:var(--soft)}
.ca-copy:disabled{opacity:.45;cursor:not-allowed;background:var(--soft);color:var(--text-3);border-color:var(--border-2)}
.ca-copy.is-done{background:var(--text);color:#fff;border-color:var(--text)}
.ca-buy{grid-column:1/-1;justify-self:start;text-decoration:none}
.ca-meta{margin-top:12px;display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--text-3);flex-wrap:wrap}
.ca-note{margin-top:14px;font-size:12.5px;color:var(--text-3);line-height:1.55;border-top:1px solid var(--border-2);padding-top:12px}

/* ── responsive ─────────────────────────────────────────── */
@media (max-width:1080px){
  .app{grid-template-columns:52px 190px minmax(0,1fr)}
  .drawer{display:none}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .builder{grid-template-columns:1fr}
  .dark-split{grid-template-columns:1fr;gap:24px}
  .plans{grid-template-columns:1fr}
}
@media (max-width:820px){
  .nav{display:none}
  .hide-sm{display:none}
  .strip-in{grid-template-columns:1fr 1fr;gap:16px}
  .case{grid-template-columns:1fr;gap:14px}
  .case-side{flex-direction:row;align-items:center}
  .sec{padding:64px 0}
  .hero{padding-top:52px}
  .cast{grid-template-columns:repeat(2,1fr)}
  .os-band{grid-template-columns:1fr;gap:14px}
}
@media (max-width:640px){
  .app{grid-template-columns:1fr;min-height:0}
  .rail,.side{display:none}
  .main-body{padding:30px 18px 22px}
  .suggests{grid-template-columns:1fr}
  .grid-3,.grid-4{grid-template-columns:1fr}
  .foot-in{grid-template-columns:1fr}
  .foot-links{gap:36px}
  .model-menu{width:min(88vw,340px)}
  h1{font-size:34px}
  .ca-row{grid-template-columns:minmax(0,1fr)}
  .ca-copy{width:100%;justify-self:stretch;flex:0 0 auto}
  .ca-addr{font-size:12.5px}
}
@media (prefers-reduced-motion: reduce){
  .mas .eye-open,.cast-mas,.cast-z,.cast-bub{animation:none!important}
}