:root{
  --bg:#0a0a0a; --bg2:#0f0f0e; --fg:#f4f4f2; --mut:#8f8a82; --dim:#5f5b54;
  --line:#232320; --card:#121210; --card2:#171613;
  --accent:#f4f4f2; --good:#7fd18a; --warn:#e6b45e;
  --serif:"Instrument Serif",Georgia,serif;
  --mono:"Space Mono",ui-monospace,monospace;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-font-smoothing:antialiased;scroll-behavior:smooth}
body{background:var(--bg);color:var(--fg);font-family:var(--sans);line-height:1.6;letter-spacing:-0.011em}
::selection{background:#f4f4f2;color:#0a0a0a}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
.narrow{max-width:720px;margin:0 auto;padding:0 24px}
.serif{font-family:var(--serif);letter-spacing:0}
.mono{font-family:var(--mono)}
.mut{color:var(--mut)}
.dim{color:var(--dim)}
.center{text-align:center}
.rule{height:1px;background:var(--line);border:0;margin:0}

/* nav */
nav{display:flex;justify-content:space-between;align-items:center;padding:22px 0;position:sticky;top:0;background:rgba(10,10,10,.82);backdrop-filter:blur(12px);z-index:50;border-bottom:1px solid transparent}
nav.stuck{border-bottom-color:var(--line)}
.brand{font-family:var(--serif);font-size:24px;letter-spacing:0;display:flex;align-items:center;gap:9px}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--fg);display:inline-block}
.navlinks{display:flex;align-items:center;gap:26px;font-family:var(--mono);font-size:13px}
.navlinks a{color:var(--mut);transition:color .15s}
.navlinks a:hover{color:var(--fg)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--mono);font-size:13px;font-weight:700;
  padding:12px 20px;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--fg);cursor:pointer;transition:all .16s;white-space:nowrap}
.btn:hover{border-color:var(--fg)}
.btn-solid{background:var(--fg);color:#0a0a0a;border-color:var(--fg)}
.btn-solid:hover{opacity:.88}
.btn-lg{padding:15px 28px;font-size:14px}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* hero */
.hero{padding:72px 0 40px}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--mut)}
.hero h1{font-family:var(--serif);font-size:clamp(46px,8vw,88px);line-height:.98;letter-spacing:-.01em;margin:22px 0 0;font-weight:400}
.hero h1 em{font-style:italic;color:var(--mut)}
.lede{font-size:19px;color:var(--mut);max-width:560px;margin:24px 0 32px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}

/* cards / sections */
.section{padding:64px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px}
.pad{padding:26px}
h2.sec{font-family:var(--serif);font-size:clamp(32px,5vw,46px);line-height:1.02;font-weight:400}
.kicker{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);margin-bottom:14px}

/* demo */
.demo{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:22px;display:grid;gap:14px}
textarea,select,input{width:100%;font-family:var(--sans);font-size:15px;color:var(--fg);background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:13px 15px;outline:none;transition:border-color .15s}
textarea:focus,select:focus,input:focus{border-color:var(--fg)}
textarea{resize:vertical;min-height:92px;line-height:1.5}
select{appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238f8a82' stroke-width='3'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 15px center;padding-right:40px}
.demo-row{display:flex;gap:10px}
.demo-row select{flex:1}

/* equalizer (playing indicator) */
.eq{display:inline-flex;align-items:flex-end;gap:2px;height:13px}
.eq span{width:3px;border-radius:2px;background:currentColor;animation:eq .85s ease-in-out infinite}
.eq span:nth-child(2){animation-delay:.18s}
.eq span:nth-child(3){animation-delay:.36s}
.eq span:nth-child(4){animation-delay:.52s}
@keyframes eq{0%,100%{height:25%}50%{height:100%}}
.hidden{display:none!important}

/* voice chips */
.chips{display:flex;flex-wrap:wrap;gap:9px}
.chip{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:13px;color:var(--fg);
  background:var(--card2);border:1px solid var(--line);border-radius:999px;padding:9px 15px;transition:all .15s}
.chip .star{color:var(--warn)}
button.chip{cursor:pointer}
button.chip:hover{border-color:var(--fg);background:var(--card)}
button.chip.playing{border-color:var(--fg);background:var(--card);color:var(--fg)}

/* feature grid */
.grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.feat h3{font-size:17px;margin-bottom:6px}
.feat p{color:var(--mut);font-size:15px}

/* pricing */
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.plan{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:24px;display:flex;flex-direction:column;gap:14px}
.plan.hot{border-color:var(--fg);box-shadow:0 0 0 1px var(--fg)}
.plan .pname{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--mut)}
.plan .price{font-family:var(--serif);font-size:44px;line-height:1}
.plan .price small{font-family:var(--mono);font-size:13px;color:var(--mut)}
.plan .credits{font-size:15px}
.plan ul{list-style:none;display:grid;gap:8px;font-size:14px;color:var(--mut)}
.plan li::before{content:"→ ";color:var(--dim)}
.badge{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;background:var(--fg);color:#0a0a0a;padding:3px 8px;border-radius:999px}

/* comparison table */
.cmp{width:100%;border-collapse:collapse;font-size:15px}
.cmp th,.cmp td{padding:15px 16px;text-align:left;border-bottom:1px solid var(--line)}
.cmp th{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--mut);font-weight:400}
.cmp .us{color:var(--fg);font-weight:600}
.cmp .them{color:var(--mut)}
.cmp .win{color:var(--good);font-family:var(--mono);font-size:13px}
.cmp tr td:first-child{font-family:var(--mono);font-size:13px;color:var(--mut)}

/* code */
pre{background:var(--card2);border:1px solid var(--line);border-radius:14px;padding:18px;overflow-x:auto;font-family:var(--mono);font-size:13px;line-height:1.7}
code{font-family:var(--mono);font-size:.92em}
pre .k{color:#e6b45e}.pre .s{color:#7fd18a}
.kv{color:var(--good)}

/* forms / auth */
.authbox{max-width:400px;margin:60px auto;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:32px}
.authbox h1{font-family:var(--serif);font-size:34px;font-weight:400;margin-bottom:6px}
label{display:block;font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--mut);margin:16px 0 7px}
.err{background:rgba(230,120,90,.1);border:1px solid rgba(230,120,90,.35);color:#e88;border-radius:10px;padding:10px 13px;font-size:14px;margin-top:14px}
.flash{background:rgba(127,209,138,.08);border:1px solid rgba(127,209,138,.3);color:var(--good);border-radius:10px;padding:12px 15px;font-size:14px}

/* dashboard */
.stat{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px}
.stat .lab{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--mut)}
.stat .big{font-family:var(--serif);font-size:38px;line-height:1.1;margin-top:6px}
.keybox{display:flex;align-items:center;gap:10px;background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:12px 15px;font-family:var(--mono);font-size:13px;overflow:hidden}
.keybox code{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
table.list{width:100%;border-collapse:collapse;font-size:14px}
table.list th,table.list td{padding:11px 12px;text-align:left;border-bottom:1px solid var(--line)}
table.list th{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--mut);font-weight:400}
.pill{font-family:var(--mono);font-size:11px;padding:3px 9px;border-radius:999px;border:1px solid var(--line);color:var(--mut)}

/* footer */
footer{border-top:1px solid var(--line);padding:40px 0;margin-top:60px;color:var(--dim);font-family:var(--mono);font-size:13px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px}

/* projections */
.slider{width:100%;-webkit-appearance:none;height:4px;border-radius:4px;background:var(--line);outline:none}
.slider::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:var(--fg);cursor:pointer}
.slider::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--fg);cursor:pointer;border:0}

@media(max-width:860px){
  .plans{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .navlinks{gap:16px}
  .hero{padding:48px 0 28px}
}
@media(max-width:520px){.plans{grid-template-columns:1fr}.navlinks .hidephone{display:none}}