:root{--bg:#0b0b12;--bg2:#12121c;--card:#161624;--line:#26263a;--text:#ecebf5;--muted:#a3a2b8;--accent:#836ef9;--accent-ink:#0b0b12;--accent-soft:rgba(131,110,249,.16);--ok:#4ade80;--warn:#fbbf24;--err:#f87171;--blue:#60a5fa;--radius:14px;--max:1080px}
@media (prefers-color-scheme:light){:root{--bg:#faf9ff;--bg2:#f1effc;--card:#fff;--line:#dcd8f2;--text:#17162a;--muted:#55536f;--accent:#5b44d6;--accent-ink:#fff;--accent-soft:rgba(91,68,214,.1);--ok:#15803d;--warn:#a16207;--err:#b91c1c;--blue:#1d4ed8}}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;overflow-x:hidden}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
a{color:var(--accent)}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-999px;top:8px;background:var(--accent);color:var(--accent-ink);padding:8px 14px;border-radius:8px;z-index:10}
.skip:focus{left:8px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 16px}
section{padding:56px 0}
h1,h2,h3{line-height:1.2;margin:0 0 .5em}
h1{font-size:clamp(2rem,6vw,3.6rem);letter-spacing:-.02em}
h2{font-size:clamp(1.5rem,4vw,2.1rem);letter-spacing:-.01em}
h3{font-size:1.1rem}
p{margin:0 0 1em}
.muted{color:var(--muted)}
.eyebrow{color:var(--accent);font-weight:600;font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:.6rem}
header.top{padding:16px 0}
header.top .wrap{display:flex;justify-content:space-between;align-items:center;gap:12px}
.brand{font-weight:700;font-size:1.15rem;display:flex;align-items:center;gap:8px}
.brand i{width:14px;height:14px;border-radius:50%;border:3px solid var(--accent);display:inline-block}
nav a{color:var(--muted);text-decoration:none;margin-left:16px;font-size:.92rem}
nav a:hover{color:var(--text)}
@media (max-width:640px){nav{display:none}}
.hero{padding:56px 0 40px;background:radial-gradient(700px 300px at 20% 0,var(--accent-soft),transparent)}
.hero p.lead{font-size:1.2rem;color:var(--muted);max-width:640px}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.btn{display:inline-block;padding:12px 20px;border-radius:10px;border:1px solid var(--line);color:var(--text);text-decoration:none;font-weight:600;background:var(--card);cursor:pointer;font:inherit;font-weight:600}
.btn:hover{border-color:var(--accent)}
.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.pill{display:inline-block;font-size:.8rem;padding:4px 10px;border:1px solid var(--line);border-radius:99px;color:var(--muted);margin-top:24px}
.grid{display:grid;gap:16px}
@media (min-width:720px){.g2{grid-template-columns:1fr 1fr}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.card p:last-child{margin:0}
.step-n{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--accent-soft);color:var(--accent);font-weight:700;margin-bottom:10px}
ol.steps{list-style:none;padding:0;margin:0}
.diagram{margin:28px 0 0;padding:16px;background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius)}
.diagram svg{width:100%;height:auto;display:block}
.diagram text{fill:var(--text);font:13px system-ui,sans-serif}
.diagram .sub{fill:var(--muted);font-size:11px}
.diagram .box{fill:var(--card);stroke:var(--line);stroke-width:1.5}
.diagram .hl{fill:var(--accent-soft);stroke:var(--accent);stroke-width:1.5}
.diagram .ln{stroke:var(--muted);stroke-width:1.5;fill:none}
.diagram .arrow{fill:var(--muted)}
.stats{display:grid;gap:16px;margin-bottom:24px}
@media (min-width:720px){.stats{grid-template-columns:1fr 1fr 2fr}}
.stat .k{color:var(--muted);font-size:.85rem}
.stat .v{font-size:clamp(2rem,6vw,2.8rem);font-weight:700;letter-spacing:-.02em;line-height:1.1;margin-top:4px}
.stat .v small{font-size:1rem;color:var(--muted);font-weight:500}
code.addr{display:block;word-break:break-all;font:.85rem ui-monospace,Menlo,monospace;margin:8px 0 12px;color:var(--text)}
.row-links{display:flex;gap:10px;flex-wrap:wrap}
.btn.sm{padding:6px 12px;font-size:.85rem}
#feed-status{padding:10px 14px;border-radius:10px;border:1px solid var(--line);margin-bottom:12px;font-size:.92rem;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
#feed-status[data-kind=error]{border-color:var(--err);color:var(--err)}
#feed-status[data-kind=ok]::before,#feed-status[data-kind=loading]::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--ok);flex:none;animation:pulse 2s infinite}
#feed-status[data-kind=loading]::before{background:var(--warn)}
@keyframes pulse{50%{opacity:.3}}
.tablewrap{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);overflow:hidden}
table{border-collapse:collapse;width:100%;font-size:.92rem}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line)}
th{color:var(--muted);font-weight:600;font-size:.8rem}
tr:last-child td{border-bottom:0}
td.num{font-variant-numeric:tabular-nums;white-space:nowrap}
@media (max-width:640px){thead{position:absolute;left:-9999px}tr{display:block;border-bottom:1px solid var(--line);padding:8px 0}tr:last-child{border:0}td{display:flex;justify-content:space-between;gap:12px;border:0;padding:5px 14px}td::before{content:attr(data-label);color:var(--muted)}}
.badge{display:inline-block;padding:2px 10px;border-radius:99px;font-size:.8rem;font-weight:600;border:1px solid currentColor}
.m-voice{color:var(--blue)}.m-blink{color:var(--accent)}.m-button{color:var(--warn)}.m-other{color:var(--muted)}
.ph{padding:28px 16px;text-align:center;color:var(--muted)}
ul.clean{padding-left:1.1em;margin:0}
ul.clean li{margin:.4em 0}
pre{background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius);padding:16px;overflow-x:auto;font:.88rem/1.6 ui-monospace,Menlo,monospace;margin:0}
footer{border-top:1px solid var(--line);padding:32px 0;color:var(--muted);font-size:.92rem}

[hidden] { display: none !important; }

/* polish v1: aurora background, hero glow ring, staggered entrance, hover lift (CSS only) */
body{background:radial-gradient(900px 520px at 12% -5%,rgba(131,110,249,.28),transparent 60%),radial-gradient(800px 500px at 95% 8%,rgba(22,224,181,.14),transparent 60%),var(--bg);background-attachment:fixed}
.hero{position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-60px;width:520px;height:520px;border-radius:50%;border:2px solid rgba(179,166,255,.35);box-shadow:0 0 90px 10px rgba(131,110,249,.35),inset 0 0 70px rgba(131,110,249,.25);animation:halo 7s ease-in-out infinite;pointer-events:none}
@keyframes halo{0%,100%{transform:scale(1);opacity:.75}50%{transform:scale(1.07);opacity:1}}
.hero h1{font-size:clamp(2.3rem,6vw,4.4rem);line-height:1.05;letter-spacing:-.03em;background:linear-gradient(180deg,#fff,#c9c1ff);-webkit-background-clip:text;background-clip:text;color:transparent}
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.hero .wrap>*{animation:rise .8s cubic-bezier(.2,.7,.2,1) both}
.hero .wrap>*:nth-child(2){animation-delay:.08s}.hero .wrap>*:nth-child(3){animation-delay:.16s}.hero .wrap>*:nth-child(4){animation-delay:.24s}.hero .wrap>*:nth-child(5){animation-delay:.32s}
.card{transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;backdrop-filter:blur(8px)}
.card:hover{transform:translateY(-4px);border-color:rgba(131,110,249,.55);box-shadow:0 14px 40px rgba(131,110,249,.18)}
.btn{transition:transform .15s ease,box-shadow .2s ease}.btn:hover{transform:translateY(-2px)}.btn.primary{box-shadow:0 8px 28px rgba(131,110,249,.4)}
@media (prefers-reduced-motion:reduce){.hero::after,.hero .wrap>*{animation:none}.card:hover,.btn:hover{transform:none}}
@media (max-width:700px){.hero::after{width:300px;height:300px;right:-110px;top:-40px;opacity:.6}}

/* simple landing */
.idea{padding:26px}.idea h3{font-size:1.35rem;margin:.2em 0 .4em}.ico{font-size:2rem}
.mock{margin-top:16px;padding:14px;border-radius:14px;background:rgba(0,0,0,.28);border:1px dashed var(--line);display:grid;gap:8px}
.bub{background:#1f2a2f;border-radius:14px 14px 14px 4px;padding:10px 12px;font-size:.95rem}
.flag{background:rgba(251,191,36,.12);border:1px solid var(--warn);border-radius:12px;padding:10px 12px;font-size:.95rem}
.flag.bad{background:rgba(248,113,113,.12);border-color:var(--err)}
.rule{display:flex;justify-content:space-between;padding:8px 12px;border-radius:10px;background:rgba(255,255,255,.05)}
.steps3 .card h3{margin:.5em 0 .3em}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.chip2{padding:8px 14px;border-radius:999px;border:1px solid var(--line);background:var(--card);font-size:.95rem}

/* try it */
.tryg h3{margin:.1em 0 .6em}.kv{display:grid;grid-template-columns:auto 1fr;gap:8px 16px;margin:0}.kv dt{color:var(--muted)}.kv dd{margin:0;font-weight:600}
select,.tryg input[type=range]{width:100%;margin-top:6px}
select{padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:var(--bg2);color:var(--text);font:inherit}
.tryg input[type=range]{accent-color:var(--accent);height:34px}
.tryout{margin-top:16px;padding:22px 24px;border-radius:18px;border:1px solid var(--line);background:var(--card);transition:border-color .25s,background .25s}
.tryout .trh{font-size:1.6rem;font-weight:800}.trraw{display:block;margin-top:8px;font-size:.9rem;color:var(--muted)}
.tryout[data-kind=ok]{border-color:var(--ok);background:rgba(74,222,128,.08)}.tryout[data-kind=ok] .trh{color:var(--ok)}
.tryout[data-kind=bad]{border-color:var(--err);background:rgba(248,113,113,.09)}.tryout[data-kind=bad] .trh{color:var(--err)}
.tryout[data-kind=wait] .trh{color:var(--warn)}

/* silk theme: warm ivory, deep ink, muted brass. Premium and calm, no neon. Overrides every token above. */
:root{--bg:#F7F3EC;--bg2:#EFE8DC;--card:#FFFDF9;--line:#E2D8C8;--text:#1F1D24;--muted:#6A6354;--accent:#8F6F3F;--accent-ink:#FFFDF9;--accent-soft:rgba(143,111,63,.12);--ok:#4F6E55;--warn:#8F6A1F;--err:#A4503A;--blue:#3F5E7E;--radius:18px;
  --font-serif:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif;color-scheme:light}
body{background:radial-gradient(900px 520px at 8% -6%,rgba(176,141,87,.17),transparent 60%),radial-gradient(800px 520px at 102% 0,rgba(111,138,114,.10),transparent 60%),linear-gradient(180deg,#FBF8F2,#F3ECE0);background-attachment:fixed;color:var(--text)}
h1,h2,h3,.brand{font-family:var(--font-serif);letter-spacing:-.01em}
h1,h2{font-weight:600}
header.top,header{background:rgba(247,243,236,.85);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
nav a{color:var(--muted)}nav a:hover{color:var(--text)}
.eyebrow{color:var(--accent);letter-spacing:.14em}
.hero{background:none}
.hero h1{background:none;-webkit-background-clip:initial;background-clip:initial;-webkit-text-fill-color:currentColor;color:var(--text);font-size:clamp(2.4rem,6vw,4.4rem);line-height:1.04;font-weight:600}
.hero p.lead{color:var(--muted)}
.hero::after{border:1px solid rgba(176,141,87,.45);box-shadow:0 0 80px 6px rgba(176,141,87,.22),inset 0 0 70px rgba(176,141,87,.12)}
.btn{background:var(--card);border-color:var(--line);color:var(--text);box-shadow:0 1px 2px rgba(60,45,20,.05)}
.btn:hover{border-color:var(--accent)}
.btn.primary{background:#1F1D24;color:#FFFDF9;border-color:#1F1D24;box-shadow:0 8px 22px rgba(31,29,36,.18)}
.btn.primary:hover{background:#34303A}
.card{background:var(--card);border-color:var(--line);box-shadow:0 1px 2px rgba(60,45,20,.04),0 12px 32px rgba(60,45,20,.06);backdrop-filter:none}
.card:hover{border-color:rgba(143,111,63,.5);box-shadow:0 2px 4px rgba(60,45,20,.05),0 18px 40px rgba(60,45,20,.10)}
.pill,.chip2{background:var(--card);border-color:var(--line);color:var(--muted)}
.mock{background:rgba(143,111,63,.06);border:1px dashed var(--line)}
.bub{background:#EFE8DC;color:var(--text)}
.flag{background:rgba(143,106,31,.10);border:1px solid var(--warn);color:var(--text)}
.flag.bad{background:rgba(164,80,58,.09);border-color:var(--err)}
.rule{background:rgba(143,111,63,.07)}
.step-n{background:var(--accent-soft);color:var(--accent)}
pre,pre code{background:#2A2620;color:#F1ECE3;border-color:#2A2620}
code.addr{color:var(--text)}
th{color:var(--muted)}
table td,table th{border-color:var(--line)}
select{background:var(--bg2)}
.tryout{background:var(--card)}
.badge{background:var(--bg2);border-color:var(--line);color:var(--text)}
footer{border-top:1px solid var(--line);background:rgba(239,232,220,.5)}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

.hero::after{-webkit-mask-image:linear-gradient(to bottom,#000 55%,transparent 98%);mask-image:linear-gradient(to bottom,#000 55%,transparent 98%);box-shadow:0 0 60px 2px rgba(176,141,87,.16)}
.ico svg{width:34px;height:34px;stroke:var(--accent);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}

.alist{list-style:none;padding:0;margin:.4em 0 0;display:grid;gap:8px}
.alist li{padding:9px 12px;border-radius:12px;background:rgba(143,111,63,.07);border:1px solid var(--line);font-size:.97rem}
.alist em{float:right;font-style:normal;font-size:.75rem;letter-spacing:.06em;text-transform:uppercase;color:var(--warn)}