/* Audio pages — Key Changer, Key Changer privacy notice, Key Changer Engine and the home Audio section.
   Load after site.css and ui.css. Paper, white, silver and brand red.
   Illustrations are rasters on pure #FFFFFF. They sit either on white surfaces (cards, plates, white bands)
   or, as .au-free, on flat paper with mix-blend-mode:multiply — the same treatment as the home product art.
   While a file is missing, the img shows a labelled placeholder (data-ph / data-ph-note) of the slot's exact size. */
:root{--au-glossy:linear-gradient(#cf4a53 0%,#c53744 45%,#bb2a37 46%,#a51f2e 100%);--au-glossy-h:linear-gradient(#d6555e 0%,#ca3d4a 45%,#c13140 46%,#ad2433 100%);--au-key:linear-gradient(#fff 0%,#f5f6f8 46%,#e3e6ea 100%);--au-brushed:repeating-linear-gradient(90deg,#ffffff38 0 1px,#0000 1px 3px);--au-silver:linear-gradient(#fbfbfc,#e7e9ed)}
.au-sr{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.au-main{overflow-x:clip}
.au-main [id]{scroll-margin-top:24px}
.au-page code{font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace;font-size:.88em;color:var(--ink);background:#eceef2;border:1px solid #d8dbe1;border-radius:4px;padding:1px 5px;overflow-wrap:anywhere}

/* ---------- Product header: the page's top. Red top rule, brushed silver band, one line ---------- */
.au-sub{border-top:3px solid var(--accent);border-bottom:1px solid #cfd3da;background:var(--au-brushed),linear-gradient(#fdfdfe,#eceef1);box-shadow:inset 0 1px #fff,0 1px 0 #fff}
.au-page .au-sub .site-header.ui-header--product{width:min(1248px,calc(100% - 112px));height:auto;min-height:76px;margin-inline:auto;padding:0;gap:24px;border-bottom:0}
.au-page .brand{display:inline-flex;align-items:center;gap:12px;min-width:0;min-height:44px;color:var(--ink);text-decoration:none;font-size:20px;font-weight:750;letter-spacing:-.035em;line-height:1.15}
.au-page .brand img{width:36px;height:36px;flex:none;filter:drop-shadow(0 2px 2px #6a1a2226)}
.au-page .brand>span{display:flex;flex-wrap:wrap;align-items:baseline;column-gap:10px}
.au-page .brand small{font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.au-page .brand:hover{color:var(--ink)}
.au-page .brand-tile{display:grid;place-items:center;width:30px;height:30px;flex:none;border:1px solid #b9bec8;border-radius:8px;background:var(--au-key);box-shadow:inset 0 1px #fff,0 2px 3px #2a2d351a}
.au-page .brand-tile i{display:block;width:10px;height:10px;border-radius:3px;background:var(--au-glossy);box-shadow:inset 0 1px #ffc4c8}
.au-page .ui-header--product .ui-nav>a{color:#3d424b;text-decoration:none;font-size:14px;font-weight:650}
.au-page .ui-header--product .ui-nav>a:hover{color:var(--accent)}
@media(min-width:801px){.au-page .ui-header--product .ui-nav{display:flex;align-items:center;gap:30px}}
@media(max-width:1100px){.au-page .au-sub .site-header.ui-header--product{width:calc(100% - 72px)}}
@media(max-width:800px){.au-page .au-sub .site-header.ui-header--product{width:auto;min-height:68px;margin:0;padding:8px 24px}}
@media(max-width:620px){.au-page .au-sub .site-header.ui-header--product{padding:8px 20px}.au-page .brand{font-size:18px;gap:10px}.au-page .brand>span{flex-direction:column;align-items:flex-start;row-gap:2px}.au-page .brand img{width:32px;height:32px}}

/* ---------- Buttons: the glossy brand red ---------- */
.ui-product.au-page .button{gap:16px;padding:13px 22px;border:1px solid #9f2632;border-radius:8px;background:var(--au-glossy);box-shadow:inset 0 1px 0 #ffd2d5,inset 1px 0 0 #ec858d,inset -1px 0 0 #cf606b,0 3px 6px #64202726;color:#fff;font-size:15px;font-weight:700;text-shadow:0 1px 1px #751621;white-space:nowrap;transition:transform .18s}
.ui-product.au-page .button:hover{background:var(--au-glossy-h);border-color:#9f2632;color:#fff;transform:translateY(-1px)}
.ui-product.au-page .button:active{box-shadow:inset 0 2px 5px #731c3580;transform:none}
.ui-product.au-page .button span{font-size:19px;font-weight:400;line-height:1}
.ui-product.au-page .button:focus-visible{outline:3px solid var(--focus);outline-offset:4px;border-radius:8px}

/* Footer */
.au-page .ui-product-footer{margin-top:0}
.au-page .ui-footer-brand{color:var(--ink);text-decoration:none}
.au-page .ui-footer-note{max-width:900px;font-size:12px}
.au-page .ui-footer-brand span,.au-page .ui-footer-bottom>span{white-space:nowrap}

/* ---------- Type and rhythm ---------- */
.au-section{padding-block:100px}
.au-band{position:relative;padding-block:100px}
.au-band--silver{background:repeating-linear-gradient(180deg,#eff1f4 0 2px,#e9ebef 2px 4px);border-block:1px solid #d3d6dc;box-shadow:inset 0 1px #fff}
.au-band--white{background:#fff;border-block:1px solid #e2e4e8}
.au-band--rose{background:radial-gradient(circle,#efd5d7 1px,#0000 1.4px) 0 0/13px 13px,#fbf3f3;border-block:1px solid #efd7d9}
.au-band--dark{background:repeating-linear-gradient(180deg,#27292e 0 2px,#24262b 2px 4px);border-top:3px solid var(--accent);color:#f1f2f5}
.au-index{display:flex;align-items:center;gap:14px;margin:0 0 28px}
.au-index b{flex:none;display:grid;place-items:center;min-width:36px;height:22px;padding:0 7px;border-radius:4px;background:var(--au-glossy);box-shadow:inset 0 1px #f2a3a8,0 1px 2px #6420272e;color:#fff;font-size:11px;font-weight:800;letter-spacing:.1em;text-shadow:0 1px 0 #7a1520}
.au-index::after{content:"";flex:1;height:4px;border-block:1px solid #cfd3da}
.au-band--dark .au-index::after{border-color:#464a53}
.au-eyebrow{display:flex;align-items:center;gap:10px;margin:0 0 22px;font-size:11px;font-weight:800;letter-spacing:.13em;text-transform:uppercase;color:var(--muted)}
.au-eyebrow::before{content:"";flex:none;width:8px;height:8px;border-radius:2px;background:var(--au-glossy)}
.au-head{max-width:720px;margin-bottom:46px}
.au-head h2,.au-h2{text-wrap:balance}
.au-head-split{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:56px;align-items:center;margin-bottom:46px}
.au-head-split .au-head{margin-bottom:0}
.au-lead{max-width:640px;margin-top:18px;font-size:17px;line-height:1.7;text-wrap:pretty}
.au-lead+.au-lead{margin-top:12px}
.au-prose p{max-width:620px;font-size:16px;line-height:1.75;text-wrap:pretty}
.au-prose p+p{margin-top:14px}
.au-list{margin:0;padding:0;list-style:none;display:grid;gap:8px}
.au-list li{position:relative;padding-left:20px;color:var(--muted);font-size:15px;line-height:1.6}
.au-list li::before{content:"";position:absolute;left:2px;top:.6em;width:7px;height:7px;border-radius:2px;background:var(--au-glossy)}
.au-link{margin-top:22px;font-weight:750;color:var(--accent)}
.au-link:hover{color:#9b1e29}
.au-note{font-size:13px;line-height:1.65;color:var(--muted)}
.au-status{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;margin:0;font-size:13px;font-weight:700;color:var(--ink);line-height:1.5}
.au-status .status-square{border-color:var(--accent);background:#fff}
.au-stamp{display:inline-grid;place-items:center;padding:5px 12px;border:2px solid var(--accent);border-radius:6px;box-shadow:inset 0 0 0 2px #fff,inset 0 0 0 3px #c6293266;color:var(--accent);font-size:12px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;transform:rotate(-4deg);background:#fff}

/* ---------- Frames, plates and tiles (white surfaces for illustrations) ---------- */
.au-frame{position:relative;margin:0;padding:6px;border:1px solid #c7ccd5;border-radius:14px;background:linear-gradient(#fff,#e3e6eb);box-shadow:inset 0 1px #fff,0 2px 4px #2a2d350a,0 18px 36px -22px #2a2d3559}
.au-plate{position:relative;overflow:hidden;border:1px solid #d5d8de;border-radius:9px;background:#fff}
.au-tile{flex:none;width:var(--s,186px);padding:6px;border:1px solid #c3c8d1;border-radius:26px;background:linear-gradient(#fff,#dde0e5);box-shadow:inset 0 1px #fff,0 14px 26px -16px #2a2d3566}
.au-tile>.au-art{border-radius:20px;box-shadow:0 0 0 1px #d6d9df}

/* ---------- Illustration slot ---------- */
.au-art{position:relative;display:block;width:100%;aspect-ratio:1;overflow:hidden;background:#fff}
.au-art--43{aspect-ratio:4/3}
.au-art img{position:relative;z-index:1;display:block;width:100%;height:100%;object-fit:cover;color:transparent}
.au-free{background:transparent;mix-blend-mode:multiply}
.au-zoom img{transform:scale(1.16)}
.au-fit img{transform:scale(.9);transform-origin:50% 91%}
.au-zoom-lg img{transform:scale(1.28)}
/* Placeholder: only rendered while the file is missing (broken image). Shows the 70 % safe circle and the file label. */
.au-art img::before{content:"";position:absolute;inset:0;background:radial-gradient(circle closest-side,#e7e9ed 0 98%,#e7e9ed00 100%) 50% 50%/70% 70% no-repeat,#fff}
.au-art--43 img::before{background:linear-gradient(#e7e9ed,#e7e9ed) 50% 50%/70% 72% no-repeat,#fff}
.au-art img::after{content:attr(data-ph) "\A" attr(data-ph-note);position:absolute;inset:0;display:grid;place-items:center;padding:18%;color:#5d636e;font-size:11px;font-weight:700;line-height:1.4;text-align:center;white-space:pre-line;overflow-wrap:anywhere}
.au-art--sm img::after{content:attr(data-ph);padding:20%;font-size:9px;line-height:1.25}

/* ---------- Heroes ---------- */
.au-hero{display:grid;grid-template-columns:minmax(0,54fr) minmax(0,46fr);gap:48px;align-items:center;padding-block:64px 96px}
.au-hero h1{font-size:clamp(44px,5.15vw,74px);line-height:1.04;letter-spacing:-.06em;font-weight:600;text-wrap:balance}
.au-hero h1 span{display:block;color:var(--accent)}
.au-hero-sub{max-width:520px;margin-top:28px;font-size:18px;line-height:1.65;text-wrap:pretty}
.au-hero-sub+.au-hero-sub{margin-top:12px}
.au-hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px 24px;margin-top:34px}
.au-avail{display:grid;gap:10px;margin-top:26px;padding-top:20px;border-top:1px solid var(--line);max-width:520px}
@media(min-width:901px) and (prefers-reduced-motion:no-preference){.au-hero .kc-hero-art,.engine-hero-art{animation:au-arrive .55s cubic-bezier(.2,.7,.2,1) both}@keyframes au-arrive{from{transform:translateY(8px)}to{transform:none}}}

/* Key Changer composition (hero + home card), one scene: a browser window playing #01, the Key Changer button in its toolbar, the real popup opened from that button. Sizes in cqw so the scene scales as one piece. */
.kc-hero-art{position:relative;margin:0;width:100%;max-width:600px;justify-self:end;container-type:inline-size;padding-bottom:3cqw}
.kc-browser{width:86cqw;padding:1cqw}
.kc-toolbar{display:flex;align-items:center;gap:1.6cqw;height:8.6cqw;margin-bottom:1cqw;padding:0 1.2cqw 0 1.6cqw;border:1px solid #c7ccd5;border-radius:1.4cqw 1.4cqw .6cqw .6cqw;background:var(--au-brushed),linear-gradient(#fbfbfc,#e2e5e9);box-shadow:inset 0 1px #fff}
.kc-address{flex:1;height:4.4cqw;border:1px solid #c3c8d1;border-radius:999px;background:linear-gradient(#f1f2f4,#fff 60%);box-shadow:inset 0 1px 2px #2a2d3524}
.kc-ext{flex:none;display:grid;place-items:center;width:6.6cqw;height:6.6cqw;border:1px solid #aab0bb;border-radius:1.4cqw;background:linear-gradient(#e6e8ec,#f6f7f9);box-shadow:inset 0 1px 3px #2a2d3540,0 1px #fff}
.kc-ext img{width:4.8cqw;height:4.8cqw;filter:drop-shadow(0 1px 1px #6a1a2240)}
.kc-popup{position:absolute;margin:0;overflow:hidden;border:1px solid #c3c8d1;border-radius:13px;background:#f5f6f8;box-shadow:inset 0 1px #fff,0 30px 50px -18px #2a2d3559,0 6px 14px #2a2d3514}
.kc-popup img{width:100%}
.kc-hero-art .kc-popup{right:0;top:11.6cqw;width:34cqw;z-index:2;overflow:visible;border-radius:1.8cqw}
.kc-hero-art .kc-popup img{border-radius:calc(1.8cqw - 1px)}
.kc-hero-art .kc-popup::before{content:"";position:absolute;left:calc(80.4cqw - 66cqw - 1.3cqw);top:-1.35cqw;width:2.6cqw;height:2.6cqw;border-left:1px solid #c3c8d1;border-top:1px solid #c3c8d1;border-radius:2px 0 0 0;background:#f7f8fa;transform:rotate(45deg)}
.kc-hero-icon{position:absolute;filter:drop-shadow(0 18px 20px #6a1a2238)}

/* ---------- Key Changer: steps ---------- */
.kc-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;margin:0;padding:0;list-style:none}
.kc-step{position:relative;display:flex;flex-direction:column;border:1px solid #cdd1d9;border-radius:16px;background:#fff;box-shadow:inset 0 1px #fff,0 16px 34px -26px #2a2d3566}
.kc-step-art{position:relative;display:flex;justify-content:center;align-items:flex-end;padding:24px 16px 14px;border-radius:15px 15px 0 0;background:#fff}
.kc-step-art::after{content:"";position:absolute;left:0;right:0;bottom:0;height:14px;border-block:1px solid #cdd1d9;background:var(--au-brushed),linear-gradient(#f7f8f9,#dfe2e6);box-shadow:inset 0 1px #fff}
.kc-step-art .au-art{width:min(286px,90%);aspect-ratio:100/84}
.kc-step-art .au-art img{object-position:50% 44%}
.kc-badge{position:absolute;left:18px;top:18px;z-index:2;display:grid;place-items:center;width:40px;height:40px;border:1px solid #9f2632;border-radius:50%;background:radial-gradient(circle at 50% 28%,#e3646c,#c62932 58%,#a51f2e);box-shadow:inset 0 2px 0 #ffb9be,0 0 0 4px #fff,0 0 0 5px #cdd1d9,0 4px 8px #6420272e;color:#fff;font-size:17px;font-weight:800;text-shadow:0 1px 0 #7a1520}
.kc-step-body{padding:24px 28px 30px}
.kc-step h3{font-size:22px;line-height:1.25;letter-spacing:-.035em;margin-bottom:10px}
.kc-step p{font-size:15px;line-height:1.7}
.kc-keys{position:relative;display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.6fr);gap:28px 48px;align-items:center;margin-top:26px;padding:30px 34px;border:1px solid #c3c8d1;border-radius:16px;background:var(--au-brushed),linear-gradient(#fbfbfc,#e6e8ec);box-shadow:inset 0 1px #fff,0 14px 30px -24px #2a2d3566}
.kc-keys::before{content:"";position:absolute;left:24px;right:24px;top:-1px;height:3px;border-radius:0 0 3px 3px;background:var(--accent)}
.kc-keys-lead{display:flex;align-items:center;gap:14px;font-size:16px;font-weight:700;color:var(--ink)}
.kc-keys-lead .kc-badge{position:static;flex:none;width:30px;height:30px;font-size:13px;box-shadow:inset 0 2px 0 #ffb9be,0 2px 4px #6420272e}
.kc-keys-notes{display:grid;gap:6px;margin-top:16px}
.kc-keys-notes p{font-size:14px;line-height:1.6}
.kc-shortcuts{display:grid;gap:12px;margin:0;padding:0;list-style:none}
.kc-shortcuts li{display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px;padding-bottom:12px;border-bottom:1px solid #d3d6dc;color:var(--muted);font-size:15px;line-height:1.4}
.kc-shortcuts li:last-child{padding-bottom:0;border-bottom:0}
.kc-shortcuts li>span{margin-left:6px}
.au-key{display:inline-grid;place-items:center;min-width:42px;height:38px;padding:0 11px;border:1px solid #aab0bb;border-bottom-width:3px;border-radius:8px;background:var(--au-key);box-shadow:inset 0 1px #fff,0 1px 2px #2a2d351f;color:var(--ink);font:700 14px/1 Manrope,Arial,sans-serif}
.kc-shortcuts .kc-plus{color:#8c929e;font-weight:700}

/* ---------- Key Changer: keep vocals natural — one annotated object ---------- */
.kc-vocals{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:64px;align-items:center}
.kc-vocals-art{position:relative;margin:0}
.kc-vocals-stage{position:relative}
.kc-vocals-plate{aspect-ratio:1.2}
.kc-mic{position:absolute;left:-2%;top:0;width:auto;height:100%}
.kc-crop{position:absolute;right:-5%;bottom:-8%;z-index:2;width:58%;margin:0;aspect-ratio:600/124;overflow:hidden;border:1px solid #c3c8d1;border-radius:12px;background:#f5f6f8;box-shadow:inset 0 1px #fff,0 0 0 5px #fff,0 0 0 6px #cdd1d9,0 24px 36px -16px #2a2d3573;transform:rotate(-2deg)}
.kc-crop img{position:absolute;left:0;top:-487.1%;width:100%;max-width:none;height:auto}
.kc-crop::after{content:"";position:absolute;left:77.5%;top:12%;width:19%;height:76%;border:2px solid var(--accent);border-radius:999px;box-shadow:0 0 0 3px #fff9}
.kc-states{margin-top:6px;padding:14px 20px 6px;border:1px solid #d0d4db;border-radius:9px;background:var(--au-brushed),linear-gradient(#fafbfc,#eaecef);box-shadow:inset 0 1px #fff}
.kc-states h3{display:flex;align-items:center;gap:10px;min-height:40px;margin:0 0 6px;padding-right:56%;font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--ink);line-height:1.3}
.kc-states h3::before{content:"";flex:none;width:8px;height:8px;border-radius:2px;background:var(--au-glossy)}
.kc-states ul{margin:0;padding:0;list-style:none}
.kc-states li{display:grid;grid-template-columns:58px minmax(0,1fr);gap:14px;align-items:center;padding:12px 0;border-top:1px solid #d1d5db;box-shadow:inset 0 1px #ffffffb3;color:#4f545e;font-size:14px;line-height:1.5}
.au-pill{display:grid;place-items:center;height:28px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.06em}
.au-pill--on{border:1px solid #9f2632;background:var(--au-glossy);box-shadow:inset 0 1px #ffc4c8;color:#fff;text-shadow:0 1px 0 #7a1520}
.au-pill--off{border:1px solid #aab0bb;background:var(--au-key);box-shadow:inset 0 1px #fff;color:var(--ink)}

/* ---------- Demo head: the object stands on the player ---------- */
.au-demo-head{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:40px;margin-bottom:-40px}
.au-demo-head .au-head{margin-bottom:0;padding-bottom:86px}
.au-demo-obj{width:214px;margin-right:52px}
.au-demo-obj .au-plate{border-radius:10px}

/* ---------- Demo deck (shared) ---------- */
.au-demo{position:relative;display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);border:1px solid #b1b7c1;border-radius:18px;background:linear-gradient(#fdfdfe,#eceef1);box-shadow:inset 0 1px #fff,0 1px 0 #fff,0 30px 50px -30px #2a2d3580;overflow:hidden}
.au-demo::before{content:"";grid-column:1/-1;height:16px;background:var(--au-brushed),linear-gradient(#eceef1,#d5d8de);border-bottom:2px solid var(--accent);box-shadow:0 1px 0 #fff}
.au-demo fieldset{min-width:0;margin:0;padding:0;border:0}
.au-tracks{padding:24px 22px 26px;background:linear-gradient(90deg,#e7e9ed,#eef0f3);border-right:1px solid #ccd0d7;box-shadow:inset -1px 0 #fff}
.au-tracks legend,.au-row-title{display:flex;align-items:center;gap:9px;padding:0;font-size:11px;font-weight:800;letter-spacing:.13em;text-transform:uppercase;color:var(--muted)}
.au-tracks legend{margin-bottom:14px}
.au-tracks legend::before,.au-row-title::before{content:"";width:7px;height:7px;border-radius:2px;background:var(--au-glossy)}
.au-track-list{display:grid;gap:6px}
.au-track,.au-opt{position:relative;display:block;cursor:pointer}
.au-track input,.au-opt input{position:absolute;inset:0;z-index:1;width:100%;height:100%;margin:0;opacity:0;cursor:pointer}
.au-track-face{display:grid;grid-template-columns:auto minmax(0,1fr);gap:14px;align-items:center;min-height:62px;padding:10px 14px;border:1px solid transparent;border-radius:11px;transition:background .15s}
.au-track:hover .au-track-face{background:#ffffff8c}
.au-track-num{display:grid;place-items:center;width:32px;height:32px;border:1px solid #bfc4cd;border-radius:7px;background:var(--au-key);box-shadow:inset 0 1px #fff;color:var(--muted);font-size:12px;font-weight:800}
.au-track-title{display:block;color:var(--ink);font-size:14px;font-weight:700;line-height:1.35}
.au-track-src{display:block;margin-top:2px;color:var(--muted);font-size:12px;line-height:1.4}
.au-track input:checked+.au-track-face{background:#fff;border-color:#c3c8d1;box-shadow:inset 0 1px #fff,0 3px 8px #2a2d3514}
.au-track input:checked+.au-track-face .au-track-num{border-color:#9f2632;background:var(--au-glossy);box-shadow:inset 0 1px #ffc4c8;color:#fff;text-shadow:0 1px 0 #7a1520}
.au-track input:focus-visible+.au-track-face,.au-opt input:focus-visible+.au-opt-face{outline:3px solid var(--focus);outline-offset:2px}
.au-controls{display:grid;gap:24px;align-content:start;padding:26px 28px 28px}
.au-transport{display:flex;align-items:center;gap:22px;padding:16px 20px 16px 16px;border:1px solid #c7ccd5;border-radius:14px;background:#fff;box-shadow:inset 0 1px 3px #2a2d3517}
.au-play{flex:none;display:grid;place-items:center;width:60px;height:60px;padding:0;border:1px solid #9f2632;border-radius:50%;background:radial-gradient(circle at 50% 28%,#e3646c,#c62932 58%,#a51f2e);box-shadow:inset 0 2px 0 #ffb9be,inset 0 -3px 6px #7a152066,0 0 0 5px #eceef1,0 0 0 6px #c3c8d1,0 5px 12px #64202740;cursor:pointer;transition:transform .12s}
.au-play:active{transform:scale(.97)}
.au-play:focus-visible{outline:3px solid var(--focus);outline-offset:9px}
.au-play-icon{width:0;height:0;margin-left:5px;border-left:17px solid #fff;border-block:11px solid transparent;filter:drop-shadow(0 1px 0 #7a1520)}
.au-demo[data-playing] .au-play-icon{width:17px;height:20px;margin:0;border:0;background:linear-gradient(90deg,#fff 0 6px,#0000 6px 11px,#fff 11px 17px)}
.au-demo[data-loading] .au-play{animation:au-pulse 1s ease-in-out infinite}
@keyframes au-pulse{50%{box-shadow:inset 0 2px 0 #ffb9be,0 0 0 5px #f6d7d9,0 0 0 6px #c62932,0 5px 12px #64202740}}
.au-progress{flex:1;min-width:0}
.au-seek{display:block;width:100%;height:28px;margin:0;background:none;cursor:pointer;-webkit-appearance:none;appearance:none}
.au-seek:disabled{cursor:default}
.au-seek::-webkit-slider-runnable-track{height:8px;border-radius:5px;background:linear-gradient(90deg,var(--accent) var(--p,0%),#dcdfe4 var(--p,0%));box-shadow:inset 0 1px 2px #2a2d3540}
.au-seek::-webkit-slider-thumb{width:22px;height:22px;margin-top:-7px;border:1px solid #9aa0aa;border-radius:50%;background:var(--au-key);box-shadow:inset 0 1px #fff,0 1px 3px #2a2d3559;-webkit-appearance:none;appearance:none}
.au-seek::-moz-range-track{height:8px;border-radius:5px;background:#dcdfe4;box-shadow:inset 0 1px 2px #2a2d3540}
.au-seek::-moz-range-progress{height:8px;border-radius:5px;background:var(--accent)}
.au-seek::-moz-range-thumb{width:20px;height:20px;border:1px solid #9aa0aa;border-radius:50%;background:var(--au-key)}
.au-seek:focus-visible{outline:3px solid var(--focus);outline-offset:4px;border-radius:6px}
.au-time{display:flex;justify-content:space-between;margin-top:4px;color:var(--muted);font-size:12px;font-weight:700;font-variant-numeric:tabular-nums}
.au-row-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:6px 14px;min-height:20px;margin-bottom:12px}
.au-range{color:var(--muted);font-size:12px;font-weight:700}
.au-engines{display:flex;flex-wrap:wrap;gap:8px}
.au-engines-extra{display:flex;flex-wrap:wrap;gap:8px;width:100%;padding-top:10px;margin-top:2px;border-top:1px dashed #c7ccd5}
.au-engines-extra:not([data-open]){display:none}
.au-opt-face{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:46px;padding:4px 20px;border:1px solid #b5bbc5;border-radius:9px;background:var(--au-key);box-shadow:inset 0 1px #fff,0 1px 2px #2a2d351a;color:var(--ink);font-size:14px;font-weight:750;line-height:1.2;text-align:center;transition:background .15s}
.au-opt-face small{display:block;margin-top:2px;color:var(--muted);font-size:11px;font-weight:650}
.au-opt:hover .au-opt-face{background:#fff}
.au-opt input:checked+.au-opt-face{border-color:#9f2632;background:var(--au-glossy);box-shadow:inset 0 1px #ffc4c8,0 2px 5px #64202733;color:#fff;text-shadow:0 1px 1px #751621}
.au-opt input:checked+.au-opt-face small{color:#ffe1e3}
.au-engines>.au-opt .au-opt-face{min-width:132px}
.au-more{display:inline-flex;align-items:center;gap:8px;min-height:44px;margin:4px 0 -8px;padding:0;border:0;background:none;color:var(--accent);font-size:14px;font-weight:750;cursor:pointer}
.au-more span{display:inline-block;transition:transform .15s}
.au-more[aria-expanded="true"] span{transform:rotate(180deg)}
.au-more:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:4px}
.au-shift{display:grid;grid-template-columns:repeat(15,minmax(0,1fr));gap:4px}
.au-shift .au-opt-face{min-height:46px;padding:0;border-radius:7px;font-size:13px;font-variant-numeric:tabular-nums}
.au-shift .au-zero .au-opt-face{border-color:#868c97;font-weight:800}
.au-demo-bar{grid-column:1/-1;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 20px;padding:12px 26px;border-top:1px solid #ccd0d7;background:var(--au-brushed),linear-gradient(#eaecef,#e0e3e7);box-shadow:inset 0 1px #fff}
.au-demo-msg{color:var(--accent);font-size:13px;font-weight:700}
.au-demo-msg:empty{display:none}
.au-caption{display:flex;align-items:center;gap:9px;color:var(--ink);font-size:12px;font-weight:800;letter-spacing:.06em}
.au-caption::before{content:"";flex:none;width:7px;height:7px;border-radius:2px;background:var(--au-glossy)}
.au-demo-foot{display:flex;justify-content:flex-end;margin-top:14px}
.au-demo-foot .au-link{margin-top:0}

/* ---------- Key Changer: powered by the engine ---------- */
.kc-powered{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:72px;align-items:center}
.kc-powered-art{width:100%;max-width:540px}
.kc-powered .au-eyebrow{color:var(--accent)}

/* ---------- Key Changer: works with — globe anchor + objects breaking the rules ---------- */
.kc-works-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;column-gap:56px;align-items:center}
.kc-works-head{grid-column:1;grid-row:1}
.kc-works-head .au-head{margin-bottom:0}
.kc-globe{grid-column:2;grid-row:1;width:100%;margin:-40px 0 30px}
.au-chips{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:22px 0 0;padding:0;list-style:none}
.au-chips li{display:inline-flex;align-items:center;min-height:36px;padding:0 15px;border:1px solid #c3c8d1;border-radius:8px;background:var(--au-key);box-shadow:inset 0 1px #fff,0 1px 2px #2a2d3514;color:var(--ink);font-size:14px;font-weight:750}
.au-chips li.au-chips-more{padding:0 4px;border:0;background:none;box-shadow:none;color:var(--muted);font-weight:600}
.kc-works{grid-column:1/-1;grid-row:2;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 44px;margin:0;padding:0;list-style:none}
.kc-work{display:grid;grid-template-columns:116px minmax(0,1fr);gap:18px;align-items:start;border-top:4px double #d3d6dc}
.kc-work>.au-art{width:116px;margin-top:-36px}
.kc-work h3{margin:16px 0 10px;font-size:21px;line-height:1.3;letter-spacing:-.03em;text-wrap:balance}
.kc-work p{font-size:15px;line-height:1.7}
.kc-work p+p,.kc-work p+.au-list,.kc-work .au-list+p{margin-top:10px}

/* ---------- Key Changer: memory + privacy surface ---------- */
.kc-duo{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0}
.kc-duo-item{display:grid;grid-template-columns:auto minmax(0,1fr);gap:32px;align-items:start;padding-right:52px}
.kc-duo-item+.kc-duo-item{padding:0 0 0 52px;border-left:1px solid #cfd3da;box-shadow:inset 1px 0 #fff}
.kc-duo-item h2{margin:8px 0 20px;font-size:clamp(28px,2.6vw,36px)}
.kc-toast{display:inline-flex!important;align-items:center;gap:12px;max-width:100%;padding:10px 18px 10px 12px;border:1px solid #c7ccd5;border-radius:12px;background:#fff;box-shadow:inset 0 1px #fff,0 10px 22px -14px #2a2d3566;color:var(--ink)!important;font-weight:700}
.kc-toast img{width:28px;height:28px;flex:none}

/* ---------- Key Changer: FAQ (own classes; not ui-faq) ---------- */
.kc-faq-grid{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:72px;align-items:start}
.kc-faq-intro{position:sticky;top:28px;display:grid;justify-items:start}
.kc-faq-intro h2{font-size:clamp(46px,5vw,66px);line-height:1;letter-spacing:-.06em}
.kc-faq-intro .au-art{width:min(250px,100%);margin:22px 0 0 18%}
.au-faq{border-bottom:1px solid var(--line)}
.au-faq details{border-top:1px solid var(--line)}
.au-faq summary{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:44px;padding:21px 0;list-style:none;cursor:pointer;color:var(--ink);font-size:17px;font-weight:700;line-height:1.45}
.au-faq summary::-webkit-details-marker{display:none}
.au-faq summary::after{content:"+";flex:none;display:grid;place-items:center;width:32px;height:32px;border:1px solid #b9bec8;border-radius:8px;background:var(--au-key);box-shadow:inset 0 1px #fff,0 1px 2px #2a2d351a;color:var(--accent);font-size:20px;font-weight:500;line-height:1}
.au-faq details[open] summary::after{content:"−";border-color:#9f2632;background:var(--au-glossy);box-shadow:inset 0 1px #ffc4c8;color:#fff}
.au-faq summary:hover{color:var(--accent)}
.au-faq summary:focus-visible{outline:3px solid var(--focus);outline-offset:4px;border-radius:4px}
.au-faq-answer{padding:0 56px 24px 0}
.au-faq-answer p{font-size:15px;line-height:1.75}
.au-faq-answer p+p{margin-top:10px}
.au-faq a{color:var(--accent);text-underline-offset:4px}

/* ---------- Dark closing band (shared): a shallow silver inset panel carries the approved icon ---------- */
.au-cta-in{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:64px;align-items:center}
.au-band--dark h2{color:#fff;font-size:clamp(34px,4vw,56px);line-height:1.08;letter-spacing:-.055em;text-wrap:balance}
.au-band--dark p{color:#b8bdc6}
.au-band--dark .au-eyebrow{color:#c9cdd4}
.au-cta-text{display:grid;gap:4px;margin-top:22px;font-size:17px}
.au-band--dark .au-status{margin-top:28px;color:#fff}
.au-band--dark .au-status .status-square{background:transparent;border-color:#ff8a92}
.au-cta-support{display:flex;flex-wrap:wrap;align-items:center;gap:4px 16px;margin-top:22px;padding-top:20px;border-top:1px solid #42464e;color:#b8bdc6;font-size:14px}
.au-cta-support a{display:inline-flex;align-items:center;min-height:44px;color:#fff;font-weight:750;text-underline-offset:5px}
.au-cta-support a:hover{color:#ff9aa1}
.au-band--dark a:focus-visible{outline-color:#ff8a92}
.au-cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px 26px;margin-top:30px}
.au-cta-actions .au-status{margin-top:0}
.au-cta-stage{position:relative;justify-self:end;width:100%;max-width:440px;aspect-ratio:11/10;border:1px solid #9aa0aa;border-radius:26px;background:var(--au-brushed),linear-gradient(165deg,#f6f7f8 0%,#dfe2e6 55%,#c6cad1 100%);box-shadow:inset 0 3px 9px #2a2d3566,inset 0 -1px 0 #ffffffb3,0 0 0 7px #ffffff10,0 0 0 8px #ffffff1c,0 34px 60px -24px #000c}
.au-cta-stage::before{content:"";position:absolute;inset:16px;pointer-events:none;background:radial-gradient(circle,#fbfbfc 0 1.5px,#8d939e 2px 4px,#0000 4.5px) 0 0/10px 10px no-repeat,radial-gradient(circle,#fbfbfc 0 1.5px,#8d939e 2px 4px,#0000 4.5px) 100% 0/10px 10px no-repeat,radial-gradient(circle,#fbfbfc 0 1.5px,#8d939e 2px 4px,#0000 4.5px) 0 100%/10px 10px no-repeat,radial-gradient(circle,#fbfbfc 0 1.5px,#8d939e 2px 4px,#0000 4.5px) 100% 100%/10px 10px no-repeat}
.au-cta-stage::after{content:"";position:absolute;left:12%;right:12%;bottom:13%;height:6%;border-radius:50%;background:radial-gradient(closest-side,#2a2d354d,#2a2d3500)}
.au-cta-stage .kc-hero-icon{left:19%;top:12%;width:62%;z-index:1;filter:drop-shadow(0 16px 18px #6a1a2252)}
.au-cta-stage--duo .kc-popup{right:9%;top:10%;width:42%;z-index:1;border-color:#aab0bb}
.au-cta-stage--duo .kc-hero-icon{left:7%;top:auto;bottom:9%;width:46%;z-index:2}
.au-cta-stage--duo::after{left:6%;right:46%}

/* ---------- Key Changer Engine hero ---------- */
.engine-facts{display:flex;flex-wrap:wrap;margin:30px 0 0;padding:0;list-style:none;border:1px solid #c3c8d1;border-radius:12px;background:var(--au-brushed),linear-gradient(#fbfbfc,#e6e8ec);box-shadow:inset 0 1px #fff,0 8px 18px -14px #2a2d3566;overflow:hidden;width:fit-content;max-width:100%}
.engine-facts li{display:flex;align-items:center;min-height:52px;padding:0 22px;color:var(--ink);font-size:15px;font-weight:750;white-space:nowrap}
.engine-facts li+li{border-left:1px solid #c9ced6;box-shadow:inset 1px 0 #fff}
.engine-facts li:first-child{color:var(--accent)}
.engine-hero-art{position:relative;width:100%;max-width:580px;justify-self:end}
.engine-stage .au-plate{aspect-ratio:4/3}
.au-spec{position:relative;border:1px solid #c3c8d1;border-radius:14px;background:var(--au-brushed),linear-gradient(#fbfbfc,#e5e7eb);box-shadow:inset 0 1px #fff,0 14px 30px -24px #2a2d3566}
.au-spec::before{content:"";position:absolute;left:22px;right:22px;top:-1px;height:3px;border-radius:0 0 3px 3px;background:var(--accent)}
.engine-glance{margin:-26px 18px 0;padding:22px 24px 12px;z-index:2}
.engine-glance .au-eyebrow{margin-bottom:12px}
.engine-glance ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 22px;margin:0;padding:0;list-style:none}
.engine-glance li{display:grid;grid-template-columns:44px minmax(0,1fr);gap:12px;align-items:center;padding:11px 0;border-top:1px solid #d1d5db;color:var(--muted);font-size:13px;line-height:1.4}
.engine-glance li strong{color:var(--ink);font-size:28px;font-weight:700;letter-spacing:-.04em;line-height:1;font-variant-numeric:tabular-nums}
.engine-glance li:nth-child(2) strong{color:var(--accent)}
.engine-glance .au-link{margin-top:2px}

/* Large free-standing objects next to section titles */
.au-anchor{width:var(--s,290px);justify-self:end}
.au-anchor--tall{--s:230px;aspect-ratio:3/4}
.au-anchor--tall img{transform:scale(1.14)}


/* Key Changer Engine charts — real data only */
.engine-chart{position:relative;margin:0;padding:34px 34px 26px;border:1px solid #d3d6dd;border-radius:18px;background:#fff;box-shadow:inset 0 1px #fff,0 22px 44px -34px #2a2d3566}
.engine-chart::before{content:"";position:absolute;left:34px;top:-1px;width:64px;height:3px;border-radius:0 0 3px 3px;background:var(--accent)}
.engine-chart-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:40px;padding-bottom:22px;border-bottom:1px solid #e4e6ea}
.engine-chart-head h3{font-size:24px;line-height:1.25;letter-spacing:-.035em;text-wrap:balance}
.engine-chart-head p{font-size:14px;line-height:1.65}
.engine-chart-head p+p{margin-top:8px}
.engine-legend{display:flex;flex-wrap:wrap;gap:8px 24px;margin:22px 0 10px;padding:0;list-style:none}
.engine-legend li{display:inline-flex;align-items:center;gap:9px;color:var(--ink);font-size:13px;font-weight:700}
.engine-legend svg{flex:none}
.engine-yt{margin:8px 0 6px;color:var(--ink);font-size:12px;font-weight:750}
.engine-plot{display:grid;grid-template-columns:44px minmax(0,1fr)}
.engine-plot text{font:600 12px Manrope,Arial,sans-serif;fill:#626772}
.engine-scroll{overflow-x:auto;overscroll-behavior-x:contain}
.engine-scroll:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:4px}
.engine-scroll svg{display:block}
.engine-scale{display:flex;flex-wrap:wrap;gap:6px 26px;margin-top:10px;font-size:13px}
.engine-scale b{color:var(--ink)}
.engine-chart-foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:18px;padding-top:16px;border-top:1px solid #e4e6ea}
.engine-data{margin-top:4px}
.engine-data summary{display:inline-flex;align-items:center;gap:10px;min-height:44px;list-style:none;cursor:pointer;color:var(--accent);font-size:14px;font-weight:750}
.engine-data summary::-webkit-details-marker{display:none}
.engine-data summary::before{content:"+";display:grid;place-items:center;width:24px;height:24px;border:1px solid #b9bec8;border-radius:6px;background:var(--au-key);font-size:16px;line-height:1}
.engine-data[open] summary::before{content:"−"}
.engine-data .engine-when-open,.engine-data[open] .engine-when-closed{display:none}
.engine-data[open] .engine-when-open{display:inline}
.engine-data summary:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:4px}
.engine-table-wrap{overflow-x:auto;margin-top:8px;border:1px solid #e1e3e8;border-radius:10px}
.engine-table{width:100%;border-collapse:collapse;font-size:13px;font-variant-numeric:tabular-nums}
.engine-table caption{padding:10px 14px;text-align:left;color:var(--muted);font-size:12px;caption-side:top}
.engine-table th,.engine-table td{padding:9px 12px;border-top:1px solid #e9ebee;text-align:right;white-space:nowrap}
.engine-table th[scope="row"],.engine-table thead th:first-child{text-align:left;color:var(--ink)}
.engine-table thead th{background:#f4f5f7;color:var(--muted);font-weight:750}
.engine-table tbody tr:first-child th,.engine-table tbody tr:first-child td{color:var(--accent);font-weight:750}
.engine-results{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:30px 0 0;padding:0;list-style:none}
.engine-results li{position:relative;display:flex;flex-direction:column;justify-content:space-between;gap:16px;min-height:132px;padding:20px 22px;border:1px solid #c7ccd5;border-radius:14px;background:var(--au-brushed),linear-gradient(#fbfbfc,#e7e9ed);box-shadow:inset 0 1px #fff}
.engine-results span{color:var(--ink);font-size:14px;font-weight:750;line-height:1.35}
.engine-results strong{color:var(--ink);font-size:40px;font-weight:650;letter-spacing:-.05em;line-height:1;font-variant-numeric:tabular-nums}
.engine-results li:first-child{border-color:#c98a8f;background:#fff}
.engine-results li:first-child::before{content:"";position:absolute;left:18px;right:18px;top:-1px;height:3px;border-radius:0 0 3px 3px;background:var(--accent)}
.engine-results li:first-child strong{color:var(--accent)}
.engine-results-note{margin-top:14px}
.engine-findings{margin-top:44px}

/* Why it sounds natural */
.engine-theses{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;margin:0 0 46px;padding:0;list-style:none}
.engine-theses li{display:grid;grid-template-columns:auto minmax(0,1fr);gap:18px;padding-right:44px}
.engine-theses li+li{padding:0 0 0 44px;border-left:1px solid #d5d7dd}
.engine-theses .kc-badge{position:static;width:34px;height:34px;font-size:14px;box-shadow:inset 0 2px 0 #ffb9be,0 2px 4px #6420272e}
.engine-theses h3{margin:4px 0 10px;font-size:20px;line-height:1.3;letter-spacing:-.03em}
.engine-theses p{font-size:15px;line-height:1.7}
.engine-theses p+p{margin-top:10px}
.engine-dot-keys{display:flex;flex-wrap:wrap;gap:8px 24px;margin:22px 0 18px;padding:0;list-style:none}
.engine-dot-keys li{display:inline-flex;align-items:center;gap:9px;color:var(--ink);font-size:13px;font-weight:700}
.engine-dot-keys i{width:14px;height:14px;border:2px solid #575c66;border-radius:50%;background:#575c66}
.engine-dot-keys i.is-plus{background:#fff}
.engine-dots{display:grid}
.engine-dot-row{display:grid;grid-template-columns:minmax(0,210px) minmax(0,1fr);gap:24px;align-items:center;min-height:60px;border-bottom:1px solid #eef0f2}
.engine-dot-name{color:var(--ink);font-size:14px;font-weight:750;line-height:1.35}
.engine-dot-row.is-ours .engine-dot-name{color:var(--accent)}
.engine-dot-track{position:relative;height:36px;margin-inline:10px;background:repeating-linear-gradient(90deg,#e3e5e9 0 1px,#0000 1px 25%);border-right:1px solid #e3e5e9}
.engine-dot-track::before{content:"";position:absolute;left:0;right:0;top:50%;height:2px;margin-top:-1px;background:#e3e5e9}
.engine-dot-span{position:absolute;top:50%;height:4px;margin-top:-2px;border-radius:2px;background:#9ea4ae}
.engine-dot{position:absolute;top:50%;width:16px;height:16px;margin:-8px 0 0 -8px;border:2px solid #575c66;border-radius:50%;background:#575c66}
.engine-dot.is-plus{background:#fff}
.engine-dot.is-both{background:linear-gradient(90deg,#575c66 50%,#fff 50%)}
.engine-dot-row.is-ours .engine-dot{border-color:var(--accent)}
.engine-dot-row.is-ours .engine-dot.is-minus{background:var(--accent)}
.engine-dot-row.is-ours .engine-dot-span{background:#e3878d}
.engine-dot-label{position:absolute;bottom:calc(50% + 11px);left:0;color:var(--ink);font-size:12px;font-weight:800;white-space:nowrap;transform:translateX(-50%)}
.engine-dot-label.is-end{transform:translateX(calc(-100% + 9px))}
.engine-axis{display:grid;grid-template-columns:minmax(0,210px) minmax(0,1fr);gap:24px;margin-top:10px}
.engine-axis>div{margin-inline:10px}
.engine-axis-scale{position:relative;height:20px;color:var(--muted);font-size:12px;font-weight:700}
.engine-axis-scale span{position:absolute;top:0;transform:translateX(-50%)}
.engine-axis-scale span:first-child{transform:none}
.engine-axis-scale span:last-child{transform:translateX(-100%)}
.engine-axis-ends{display:flex;justify-content:space-between;gap:16px;margin-top:6px;color:var(--ink);font-size:12px;font-weight:750}
.engine-after{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;margin-top:40px}

/* Performance: white cards, the object stands in the top right, the details sit on a silver foot */
.engine-perf-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
.engine-metric{position:relative;display:flex;flex-direction:column;overflow:hidden;border:1px solid #c7ccd5;border-radius:16px;background:#fff;box-shadow:inset 0 1px #fff,0 18px 36px -28px #2a2d3573}
.engine-metric::before{content:"";position:absolute;left:30px;top:0;width:64px;height:3px;border-radius:0 0 3px 3px;background:var(--accent)}
.engine-metric-top{display:grid;grid-template-columns:minmax(0,1fr) 124px;gap:6px 18px;align-items:start;padding:32px 26px 26px 34px}
.engine-metric-top>.au-art{grid-column:2;grid-row:1/3;width:124px;margin-top:-10px}
.engine-metric-value{display:block;color:var(--accent);font-size:clamp(40px,4.4vw,64px);white-space:nowrap;font-weight:650;letter-spacing:-.06em;line-height:1}
.engine-metric h3{margin-top:8px;font-size:19px;line-height:1.35;letter-spacing:-.025em}
.engine-metric-short{grid-column:1/-1;justify-self:start;display:inline-flex;align-items:center;min-height:30px;margin-top:8px;padding:4px 12px;border:1px solid #c3c8d1;border-radius:15px;line-height:1.35;background:var(--au-key);color:var(--ink)!important;font-size:13px;font-weight:750}
.engine-metric-long{flex:1;padding:22px 34px 26px;border-top:1px solid #d1d5db;background:var(--au-brushed),linear-gradient(#f7f8f9,#e9ebee);box-shadow:inset 0 1px #fff}
.engine-metric-long p{font-size:14px;line-height:1.7}
.engine-metric-long p+p{margin-top:8px}

/* Methodology — a white manual sheet on the silver band */
.engine-manual{padding:40px 36px 10px;border:1px solid #cdd1d9;border-radius:18px;background:#fff;box-shadow:inset 0 1px #fff,0 26px 50px -36px #2a2d3580}
.engine-manual>.au-head-split{margin-bottom:14px;padding-bottom:30px;border-bottom:4px double #d3d6dc}
.engine-manual .au-anchor{transform:rotate(4deg)}
.engine-method{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 40px}
.engine-method>div{padding:28px 0 30px;border-bottom:1px solid #e6e8eb}
.engine-method h3,.engine-more summary,.engine-builds h4,.engine-perf h4{display:flex;align-items:center;gap:10px;margin:0 0 12px;color:var(--ink);font-size:16px;font-weight:750;letter-spacing:-.02em}
.engine-method h3::before{content:"";flex:none;width:8px;height:8px;border-radius:2px;background:var(--au-glossy)}
.engine-method p,.engine-more p{font-size:14px;line-height:1.7}
.engine-method p+p,.engine-more p+p,.engine-method p+.au-list,.engine-method .au-list+p,.engine-more p+.au-list,.engine-more .au-list+p,.engine-more p+.engine-spec,.engine-more .engine-spec+p{margin-top:9px}
.engine-method .au-list li,.engine-more .au-list li{font-size:14px}
.engine-method .engine-date{display:grid;place-items:center;align-content:center;text-align:center}
.engine-date-stamp{display:grid;justify-items:center;gap:2px;padding:16px 22px;border:3px double var(--accent);border-radius:12px;color:var(--accent);transform:rotate(-5deg)}
.engine-date-stamp h3{margin:0;color:var(--accent);font-size:11px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}
.engine-date-stamp h3::before{display:none}
.engine-date-stamp p{color:var(--accent);font-size:20px;font-weight:800;letter-spacing:-.02em}
.engine-mores{display:grid;gap:10px;margin-top:22px}
.engine-more{border:1px solid #c7ccd5;border-radius:13px;background:var(--au-brushed),linear-gradient(#fbfbfc,#e8eaee);box-shadow:inset 0 1px #fff}
.engine-more summary{justify-content:space-between;min-height:58px;margin:0;padding:0 20px;list-style:none;cursor:pointer}
.engine-more summary::-webkit-details-marker{display:none}
.engine-more summary h3{display:flex;align-items:center;gap:10px;margin:0;font-size:16px;font-weight:750}
.engine-more summary h3::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--au-glossy)}
.engine-more summary::after{content:"+";flex:none;display:grid;place-items:center;width:30px;height:30px;border:1px solid #b9bec8;border-radius:8px;background:var(--au-key);box-shadow:inset 0 1px #fff;color:var(--accent);font-size:19px;font-weight:500}
.engine-more[open] summary::after{content:"−";border-color:#9f2632;background:var(--au-glossy);color:#fff}
.engine-more summary:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:12px}
.engine-more-body{margin:0 8px 8px;padding:22px 22px 24px;border:1px solid #dcdfe4;border-radius:9px;background:#fff}
.engine-builds,.engine-perf{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 40px}
.engine-builds h4,.engine-perf h4{margin-bottom:8px;font-size:15px}
.engine-spec{display:grid;gap:3px;margin:0}
.engine-spec>div{display:flex;align-items:baseline;gap:8px;font-size:14px;line-height:1.55}
.engine-spec dt{flex:1 1 auto;display:flex;align-items:baseline;gap:8px;min-width:0;color:var(--muted)}
.engine-spec dt::after{content:"";flex:1;min-width:16px;border-bottom:2px dotted #c3c8d1;transform:translateY(-4px)}
.engine-spec dd{flex:0 1 auto;max-width:62%;margin:0;color:var(--ink);font-weight:700;text-align:right}
.engine-repro{margin-top:28px}
.engine-repro .au-note p+p{margin-top:8px}

/* ---------- Key Changer privacy notice ---------- */
.pp-hero{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:64px;align-items:center;padding-block:60px 76px}
.pp-hero h1{font-size:clamp(46px,5.4vw,76px);line-height:1.04;letter-spacing:-.06em;font-weight:600}
.pp-date{display:inline-flex;align-items:center;gap:10px;margin-top:22px;padding:7px 14px;border:2px solid var(--accent);border-radius:8px;box-shadow:inset 0 0 0 2px #fff,inset 0 0 0 3px #c6293255;color:var(--accent)!important;font-size:14px;font-weight:800;background:#fff}
.pp-intro{margin-top:26px;max-width:560px}
.pp-intro p{font-size:18px;line-height:1.65}
.pp-intro p+p{margin-top:8px}
.pp-hero-art{width:100%;max-width:480px;justify-self:end}
.pp-hero-art .au-plate{aspect-ratio:1.08}
.pp-notice{position:absolute;left:12%;top:8%;width:76%}
.pp{display:grid;grid-template-columns:270px minmax(0,1fr);gap:72px;align-items:start;padding-bottom:110px}
.pp-toc{position:sticky;top:24px;padding:22px 20px 18px;border:1px solid #c7ccd5;border-radius:16px;background:var(--au-brushed),linear-gradient(#fbfbfc,#e8eaee);box-shadow:inset 0 1px #fff,0 16px 30px -26px #2a2d3566}
.pp-toc h2,.pp-toc-m summary{display:flex;align-items:center;gap:9px;margin-bottom:10px;color:var(--muted);font-size:11px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}
.pp-toc h2::before{content:"";width:7px;height:7px;border-radius:2px;background:var(--au-glossy)}
.pp-toc ol,.pp-toc-m ol{display:grid;gap:2px;margin:0;padding:0;list-style:none}
.pp-toc a,.pp-toc-m a{display:grid;grid-template-columns:28px 1fr;gap:6px;align-items:center;min-height:44px;padding:6px 8px;border-radius:9px;color:var(--ink);font-size:14px;font-weight:650;line-height:1.35;text-decoration:none}
.pp-toc a:hover,.pp-toc-m a:hover{background:#fff;color:var(--accent)}
.pp-toc a span,.pp-toc-m a span{display:grid;place-items:center;width:24px;height:22px;border:1px solid #bfc4cd;border-radius:5px;background:var(--au-key);color:var(--muted);font-size:11px;font-weight:800}
.pp-toc-m{display:none;margin-top:24px;border:1px solid #c7ccd5;border-radius:14px;background:var(--au-brushed),linear-gradient(#fbfbfc,#e8eaee)}
.pp-toc-m summary{justify-content:space-between;min-height:52px;margin:0;padding:0 18px;list-style:none;cursor:pointer}
.pp-toc-m summary::-webkit-details-marker{display:none}
.pp-toc-m summary::after{content:"+";color:var(--accent);font-size:20px;letter-spacing:0}
.pp-toc-m[open] summary::after{content:"−"}
.pp-toc-m nav{padding:0 10px 10px}
.pp-doc{min-width:0;max-width:800px}
.pp-sec{position:relative;padding:76px 0 34px;border-top:1px solid #d5d7dd}
.pp-sec::before{content:"";position:absolute;left:0;top:-2px;width:76px;height:3px;border-radius:0 0 2px 2px;background:var(--au-glossy)}
.pp-sec:first-child{padding-top:4px;border-top:0}
.pp-sec:first-child::before{display:none}
.pp-sec-head{display:grid;grid-template-columns:118px minmax(0,1fr);gap:22px;align-items:center;margin-bottom:26px}
.pp-sec-head>.au-art{width:118px;margin:-8px 0}
.pp-sec h2{display:flex;align-items:flex-start;gap:16px;font-size:clamp(26px,2.5vw,34px);line-height:1.18;letter-spacing:-.045em;text-wrap:balance}
.pp-num{flex:none;display:grid;place-items:center;min-width:40px;height:30px;margin-top:2px;padding:0 6px;border-radius:6px;background:var(--au-glossy);box-shadow:inset 0 1px #f2a3a8,0 1px 2px #6420272e;color:#fff;font-size:15px;font-weight:800;letter-spacing:0;text-shadow:0 1px 0 #7a1520}
.pp-sec h3{display:flex;align-items:center;gap:10px;margin:34px 0 10px;font-size:18px;letter-spacing:-.025em}
.pp-sec h3::before{content:"";flex:none;width:8px;height:8px;border-radius:2px;background:var(--au-glossy)}
.pp-sec p{font-size:16px;line-height:1.75}
.pp-sec p+p,.pp-sec p+.au-list,.pp-sec .au-list+p{margin-top:12px}
.pp-sec .au-list{padding:14px 20px;border:1px solid #d3d6dc;border-radius:12px;background:var(--au-brushed),var(--au-silver);box-shadow:inset 0 1px #fff}
.pp-sec .au-list li{color:#4c515b}
.pp-sec a{color:var(--accent);text-underline-offset:4px}
.pp-perms{display:grid;gap:4px;margin:18px 0 0;padding:6px;border:1px solid #c7ccd5;border-radius:14px;background:var(--au-brushed),var(--au-silver);box-shadow:inset 0 1px #fff}
.pp-perm{display:grid;grid-template-columns:150px minmax(0,1fr);gap:20px;padding:14px 18px;border:1px solid #dcdfe4;border-radius:9px;background:#fff}
.pp-perm dt code{font-size:13px;font-weight:700}
.pp-perm dd{margin:0}
.pp-perm dd p{font-size:15px;line-height:1.65}
.pp-perm dd p+p{margin-top:6px}
.pp-callout{display:flex;align-items:center;gap:12px;margin-top:22px!important;padding:14px 18px;border:1px solid #edc9cc;border-radius:12px;background:#fdf5f5;color:var(--ink)!important;font-weight:700}
.pp-callout::before{content:"";flex:none;width:9px;height:9px;border-radius:2px;background:var(--au-glossy)}

/* ---------- Home: Audio section cards ---------- */
.audio-products .product--audio{position:relative;grid-template-columns:1fr 51%;background:#fff;border-color:#cdd1d9;box-shadow:inset 0 1px 0 #fff,0 4px 10px #2a2d3508}
.audio-products .product--audio::before{content:"";position:absolute;left:32px;top:-1px;z-index:2;width:56px;height:3px;border-radius:0 0 3px 3px;background:var(--accent)}
.audio-products .product-identity span{border-color:#d3d6dc;background:var(--au-key)}
.audio-products .product-identity img{width:32px;height:32px}
.audio-products .product-deck{color:#3d424b}
.audio-products .product-description+.product-description{margin-top:8px}
.audio-products .product-copy .text-link:hover{color:var(--accent)}
.ha-art{position:relative;display:block;align-self:center;padding:30px 30px 34px 4px}
.product-art.ha-art img{aspect-ratio:auto;object-fit:cover;mix-blend-mode:normal;max-height:none}
.ha-art .kc-hero-art{max-width:none}
.ha-engine-stage{position:relative;aspect-ratio:4/3}
.ha-art--engine .ha-specs{position:relative;z-index:2;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));margin:-18% 10px 0;padding:0;list-style:none;border:1px solid #c7ccd5;border-radius:10px;background:var(--au-brushed),linear-gradient(#fbfbfc,#e6e8ec);box-shadow:inset 0 1px #fff,0 10px 18px -12px #2a2d3559;overflow:hidden}
.ha-specs li{flex:1 1 auto;display:grid;place-items:center;min-height:38px;padding:0 10px;color:var(--ink);font-size:12px;font-weight:750;white-space:nowrap}
.ha-specs li:first-child{grid-column:1/-1;border-bottom:1px solid #cdd1d9;box-shadow:0 1px #fff}
.ha-specs li:nth-child(3){border-left:1px solid #cdd1d9;box-shadow:inset 1px 0 #fff}
.ha-specs li:first-child{color:var(--accent)}

/* ---------- Responsive ---------- */
@media(max-width:1100px){
  .au-hero{gap:36px}
  .kc-steps{gap:18px}
  .kc-step-body{padding:22px 22px 26px}
  .kc-vocals,.kc-powered{gap:48px}
  .kc-works-grid{grid-template-columns:minmax(0,1fr) 260px;column-gap:36px}
  .kc-works{column-gap:32px}
  .kc-duo-item{padding-right:36px}.kc-duo-item+.kc-duo-item{padding-left:36px}
  .kc-duo-item .au-tile{--s:160px}
  .kc-faq-grid{grid-template-columns:minmax(0,280px) minmax(0,1fr);gap:48px}
  .engine-method{grid-template-columns:repeat(2,minmax(0,1fr))}
  .engine-results{grid-template-columns:repeat(2,minmax(0,1fr))}
  .audio-products .product--audio{grid-template-columns:1fr 53%}
  .engine-metric-top{grid-template-columns:minmax(0,1fr) 104px}
  .engine-metric-top>.au-art{width:104px}
}
@media(max-width:900px){
  .au-hero{grid-template-columns:1fr;gap:56px;padding-block:44px 72px}
  .au-hero .kc-hero-art,.engine-hero-art{justify-self:center;max-width:560px}
  .kc-steps{grid-template-columns:1fr;max-width:620px}
  .kc-step{display:grid;grid-template-columns:minmax(0,230px) minmax(0,1fr)}
  .kc-step-art{border-radius:15px 0 0 15px;padding:20px 12px 14px}
  .kc-step-art .au-art{width:100%}
  .kc-keys{grid-template-columns:1fr;gap:22px;padding:26px 24px}
  .kc-vocals,.kc-powered{grid-template-columns:1fr}
  .kc-vocals-art{max-width:580px}
  .kc-powered-art{order:2;max-width:480px}
  .kc-works-grid{grid-template-columns:1fr}
  .kc-works-head{grid-column:1;margin-bottom:24px}
  .kc-globe{grid-column:1;grid-row:auto;width:min(290px,80%);margin:0 auto 40px;justify-self:center}
  .kc-works{grid-column:1;grid-row:auto;row-gap:34px}
  .kc-duo{grid-template-columns:1fr;gap:44px}
  .kc-duo-item,.kc-duo-item+.kc-duo-item{padding:0;border:0;box-shadow:none}
  .kc-duo-item+.kc-duo-item{padding-top:44px;border-top:1px solid #cfd3da}
  .kc-faq-grid{grid-template-columns:1fr;gap:20px}
  .kc-faq-intro{position:static;grid-template-columns:minmax(0,1fr) auto;align-items:center;width:100%}
  .kc-faq-intro .au-art{width:150px;margin:0}
  .au-cta-in{grid-template-columns:1fr;gap:48px}
  .au-cta-stage{justify-self:start;max-width:400px}
  .au-demo{grid-template-columns:1fr}
  .au-tracks{border-right:0;border-bottom:1px solid #ccd0d7;box-shadow:inset 0 -1px #fff}
  .au-track-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .engine-chart-head,.engine-after{grid-template-columns:1fr;gap:22px}
  .engine-theses{grid-template-columns:1fr;gap:28px}
  .engine-theses li,.engine-theses li+li{padding:0;border:0}
  .engine-theses li+li{padding-top:28px;border-top:1px solid #d5d7dd}
  .engine-perf-grid{grid-template-columns:1fr}
  .pp-hero{grid-template-columns:1fr;gap:40px}
  .pp-hero-art{justify-self:start;max-width:420px}
  .pp{grid-template-columns:1fr;gap:0}
  .pp-toc{display:none}
  .pp-toc-m{display:block}
}
@media(max-width:800px){
  .au-section,.au-band{padding-block:72px}
  .au-head-split{grid-template-columns:minmax(0,1fr) auto;column-gap:16px;row-gap:0;align-items:center}
  .au-head-split .au-head{display:contents}
  .au-head-split h2{grid-column:1;grid-row:1}
  .au-head-split .au-lead,.au-head-split .au-eyebrow{grid-column:1/-1}
  .au-head-split>.au-anchor{grid-column:2;grid-row:1;--s:132px;margin:-10px 0}
  .au-head-split>.au-anchor--tall{--s:104px}
  .au-demo-head{grid-template-columns:1fr;gap:16px;margin-bottom:-30px}
  .au-demo-head .au-head{padding-bottom:0}
  .au-demo-obj{justify-self:end;width:156px;margin-right:22px}
  .engine-method{grid-template-columns:1fr}
  .engine-manual{padding:30px 24px 6px}
  .engine-manual .au-anchor{transform:none}
  .engine-builds,.engine-perf{grid-template-columns:1fr}
  .audio-products .product--audio{grid-template-columns:1fr 54%}
}
@media(max-width:620px){
  .au-section,.au-band{padding-block:56px}
  .au-hero{padding-block:36px 60px;gap:44px}
  .au-hero h1{font-size:clamp(40px,11.4vw,52px);letter-spacing:-.065em}
  .au-hero-sub{font-size:16px;margin-top:22px}
  .au-hero-actions{margin-top:28px}
  .au-index{margin-bottom:22px}
  .au-head{margin-bottom:34px}
  .au-head-split{margin-bottom:34px}
  .au-head-split>.au-anchor{--s:112px}
  .au-head-split>.au-anchor--tall{--s:86px}
  .au-lead{font-size:16px}
  .au-prose p{font-size:15px}
  .kc-step{grid-template-columns:1fr}
  .kc-step-art{border-radius:15px 15px 0 0;padding:22px 16px 14px}
  .kc-step-art .au-art{width:min(270px,88%)}
  .kc-step h3{font-size:20px}
  .kc-keys{padding:24px 18px}
  .kc-shortcuts li{font-size:14px}
  .au-key{min-width:38px;height:36px;padding:0 9px;font-size:13px}
  .kc-states{padding:12px 14px 4px}
  .kc-states li{grid-template-columns:52px minmax(0,1fr);font-size:13px}
  .kc-crop{right:-3%}
  .au-demo-obj{width:128px;margin-right:12px}
  .au-tracks{padding:20px 14px 18px}
  .au-track-list{grid-template-columns:1fr}
  .au-track-face{min-height:56px;padding:8px 10px}
  .au-controls{padding:20px 14px 22px;gap:20px}
  .au-transport{gap:16px;padding:12px 14px 12px 12px}
  .au-play{width:54px;height:54px}
  .au-engines>.au-opt{flex:1 1 0}
  .au-engines>.au-opt .au-opt-face{min-width:0}
  .au-engines-extra .au-opt{flex:1 1 100%}
  .au-shift{grid-template-columns:repeat(8,minmax(0,1fr));gap:5px}
  .au-demo-bar{padding:12px 16px}
  .au-demo-foot{justify-content:flex-start}
  .kc-globe{width:min(240px,74%)}
  .kc-works{grid-template-columns:1fr;row-gap:30px}
  .kc-work{grid-template-columns:92px minmax(0,1fr);gap:14px}
  .kc-work>.au-art{width:92px;margin-top:-28px}
  .kc-work h3{margin-top:12px;font-size:19px}
  .kc-duo-item{grid-template-columns:1fr;gap:18px}
  .kc-duo-item .au-tile{--s:156px}
  .kc-faq-intro .au-art{width:112px}
  .au-faq summary{font-size:16px;padding:18px 0}
  .au-faq-answer{padding-right:0}
  .au-cta-text{font-size:16px}
  .au-cta-stage{max-width:none}
  .engine-facts{width:100%}
  .engine-facts li{flex:1 1 auto;justify-content:center;min-height:48px;padding:0 12px;font-size:14px}
  .engine-glance{margin:-18px 8px 0;padding:20px 16px 8px}
  .engine-glance ul{grid-template-columns:1fr}
  .engine-chart{padding:26px 16px 18px}
  .engine-chart::before{left:16px}
  .engine-chart-head h3{font-size:21px}
  .engine-dot-row{grid-template-columns:1fr;gap:4px;padding:12px 0 8px}
  .engine-axis{grid-template-columns:1fr;gap:0}
  .engine-axis>span{display:none}
  .engine-results{grid-template-columns:1fr 1fr;gap:10px}
  .engine-results li{min-height:112px;padding:16px}
  .engine-results strong{font-size:32px}
  .engine-metric-top{grid-template-columns:minmax(0,1fr) 96px;padding:26px 16px 22px 20px}
  .engine-metric-top>.au-art{width:96px;margin-top:-6px}
  .engine-metric-long{padding:20px 20px 22px}
  .engine-manual{padding:24px 18px 4px}
  .engine-more summary{padding:0 14px}
  .engine-more-body{margin:0 6px 6px;padding:18px 16px 20px}
  .engine-spec>div{flex-wrap:wrap}
  .engine-spec dd{max-width:100%}
  .pp-hero{padding-block:38px 44px}
  .pp-intro p{font-size:16px}
  .pp-sec{padding:56px 0 28px}
  .pp-sec h2{gap:12px}
  .pp-sec-head{grid-template-columns:80px minmax(0,1fr);gap:14px;margin-bottom:20px}
  .pp-sec-head>.au-art{width:80px;margin:-4px 0}
  .pp-perm{grid-template-columns:1fr;gap:6px;padding:12px 14px}
  .pp-sec .au-list{padding:12px 14px}
  .ha-art{width:100%;padding:14px 30px 30px}
}
@media(max-width:360px){
  .au-hero h1{font-size:38px}
  .au-shift{grid-template-columns:repeat(5,minmax(0,1fr))}
  .engine-results{grid-template-columns:1fr}
  .kc-shortcuts li>span{margin-left:0;flex-basis:100%}
  .pp-sec-head{grid-template-columns:72px minmax(0,1fr)}
  .pp-sec-head>.au-art{width:72px}
  .pp-sec h2{flex-direction:column;gap:8px}
}
@media(prefers-reduced-motion:reduce){.au-demo[data-loading] .au-play{animation:none}.ui-product.au-page .button,.au-play,.au-more span{transition:none}}