:root{
  --bg:#F2F7F7;--surface:#FFFFFF;--surface-alt:#E6EFEF;--text:#10201F;--muted:#55706D;--border:rgba(16,32,31,.10);
  --accent:#0D9488;--accent-strong:#0B6F66;--accent-soft:rgba(13,148,136,.12);--coral:#FF6B35;--coral-soft:rgba(255,107,53,.14);
  --warn-bg:#FFF6E5;--warn-border:#F2C46D;--warn-text:#7A4B00;
  --shadow:0 1px 3px rgba(0,0,0,.06),0 10px 30px rgba(11,59,56,.08);--hero-a:#0B3B38;--hero-b:#0D9488;--on-accent:#fff;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0E1617;--surface:#162122;--surface-alt:#1E2C2D;--text:#E6F2F0;--muted:#94ADA9;--border:rgba(255,255,255,.09);
  --accent:#2DD4BF;--accent-strong:#5EEAD4;--accent-soft:rgba(45,212,191,.14);--coral:#FF8A5C;--coral-soft:rgba(255,138,92,.16);
  --warn-bg:#2B2210;--warn-border:#7A5A1C;--warn-text:#F5D08A;
  --shadow:0 1px 3px rgba(0,0,0,.4),0 12px 32px rgba(0,0,0,.35);--hero-a:#071F1D;--hero-b:#0B6F66;--on-accent:#05201D;
}}
:root[data-theme="dark"]{
  --bg:#0E1617;--surface:#162122;--surface-alt:#1E2C2D;--text:#E6F2F0;--muted:#94ADA9;--border:rgba(255,255,255,.09);
  --accent:#2DD4BF;--accent-strong:#5EEAD4;--accent-soft:rgba(45,212,191,.14);--coral:#FF8A5C;--coral-soft:rgba(255,138,92,.16);
  --warn-bg:#2B2210;--warn-border:#7A5A1C;--warn-text:#F5D08A;
  --shadow:0 1px 3px rgba(0,0,0,.4),0 12px 32px rgba(0,0,0,.35);--hero-a:#071F1D;--hero-b:#0B6F66;--on-accent:#05201D;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.narrow{max-width:860px}
code,kbd,pre{font-family:"JetBrains Mono",ui-monospace,Consolas,monospace}
code{font-size:.88em;background:var(--surface-alt);padding:1px 6px;border-radius:6px}
kbd{display:inline-block;padding:1px 8px;border-radius:6px;border:1px solid var(--border);border-bottom-width:2px;background:var(--surface);font-size:.85em;color:var(--text)}
.kbd-hero{background:#fff;color:#10201F;border-color:rgba(0,0,0,.2)}
.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;z-index:99;background:var(--surface);padding:8px 12px;border-radius:8px}

/* nav */
nav.top{position:sticky;top:0;z-index:20;backdrop-filter:saturate(1.4) blur(12px);background:color-mix(in srgb,var(--bg) 82%,transparent);border-bottom:1px solid var(--border)}
nav.top .wrap{display:flex;align-items:center;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;text-decoration:none;letter-spacing:-.01em}
.brand img{width:32px;height:32px}
.navlinks{display:flex;gap:20px;margin-left:auto;font-size:15px;font-weight:500}
.navlinks a{text-decoration:none;color:var(--muted)}
.navlinks a:hover,.navlinks a[aria-current]{color:var(--text)}
.theme-toggle{background:none;border:1px solid var(--border);color:var(--text);width:38px;height:38px;border-radius:10px;cursor:pointer;font-size:16px;flex:none}
@media (max-width:860px){.navlinks{display:none}.nav-dl{margin-left:auto}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:12px;font-weight:700;font-size:15px;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:#FF6B35;color:#fff}
.btn-primary:hover{background:#F25A22}
.btn-ghost{background:transparent;color:inherit;border-color:currentColor;opacity:.92}
.btn-accent{background:var(--accent);color:var(--on-accent)}
.btn-line{background:var(--surface);border-color:var(--border);color:var(--text)}
.btn-small{padding:8px 14px;font-size:14px;border-radius:10px}
.btn svg{width:18px;height:18px;flex:none}

/* hero */
.hero{background:linear-gradient(135deg,var(--hero-a),var(--hero-b));color:#fff;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;background:#FF6B35;opacity:.16;right:-140px;top:-200px}
.hero::after{content:"";position:absolute;width:300px;height:300px;border-radius:50%;background:#fff;opacity:.05;left:-80px;bottom:-140px}
.hero .wrap{position:relative}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;padding-top:72px;padding-bottom:80px}
.hero-simple{padding-top:56px;padding-bottom:60px}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr;padding-top:48px;padding-bottom:56px}}
.eyebrow{display:inline-flex;gap:8px;align-items:center;font-size:13px;font-weight:600;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18)}
.eyebrow b{color:#FFB599}
h1{font-size:clamp(40px,6vw,66px);line-height:1.03;letter-spacing:-.035em;margin:18px 0 18px;font-weight:800}
.hero-simple h1{font-size:clamp(34px,5vw,54px)}
h1 span{color:#FFB599}
.lead{font-size:clamp(17px,2vw,20px);opacity:.9;max-width:560px;margin:0 0 28px}
.cta{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.cta small{display:block;width:100%;opacity:.75;font-size:13px;margin-top:4px}
.crumbs{font-size:14px;opacity:.8;margin-bottom:6px}
.crumbs a{text-decoration:none}

/* demo stage */
.stage{position:relative;height:430px;border-radius:24px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);box-shadow:0 30px 60px rgba(0,0,0,.25);overflow:hidden;touch-action:none;user-select:none;-webkit-user-select:none}
.stage-bar{display:flex;align-items:center;gap:7px;padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.12);font-size:12.5px;opacity:.85}
.stage-bar i{width:11px;height:11px;border-radius:50%;background:rgba(255,255,255,.3);display:inline-block}
.stage-bar span{margin-left:8px}
.hint{position:absolute;left:0;right:0;bottom:16px;text-align:center;font-size:13.5px;opacity:.85;pointer-events:none;padding:0 12px}
.chip{position:absolute;display:flex;flex-direction:column;align-items:center;gap:6px;width:92px;cursor:grab;touch-action:none;transition:left .35s cubic-bezier(.2,.8,.2,1),top .35s cubic-bezier(.2,.8,.2,1),opacity .2s}
.chip.dragging{transition:none;cursor:grabbing;z-index:5}
.chip .doc{width:56px;height:70px;border-radius:8px;position:relative;box-shadow:0 8px 18px rgba(0,0,0,.25);display:flex;align-items:flex-end;justify-content:center;padding-bottom:8px;font:700 11px "JetBrains Mono",monospace;color:#fff}
.chip .doc::after{content:"";position:absolute;right:0;top:0;width:16px;height:16px;background:rgba(255,255,255,.45);border-bottom-left-radius:6px;border-top-right-radius:8px}
.chip .name{font-size:12.5px;font-weight:600;background:rgba(0,0,0,.25);padding:2px 8px;border-radius:6px;white-space:nowrap}
.chip.result .doc{animation:pop .45s cubic-bezier(.2,1.4,.4,1)}
@keyframes pop{from{transform:scale(.3);opacity:0}to{transform:scale(1);opacity:1}}
.donut{position:absolute;width:280px;height:280px;margin:-140px 0 0 -140px;pointer-events:none;opacity:0;transform:scale(.6);transition:opacity .15s,transform .2s cubic-bezier(.2,1.3,.4,1)}
.donut.open{opacity:1;transform:scale(1)}
.donut path{fill:rgba(255,255,255,.92);stroke:rgba(11,59,56,.25);stroke-width:1;transition:fill .12s}
.donut path.hot{fill:#FF6B35}
.donut text{font:700 13px "Plus Jakarta Sans",sans-serif;fill:#0B3B38;text-anchor:middle;dominant-baseline:central;pointer-events:none}
.donut text.hot{fill:#fff}
.ring{position:absolute;width:76px;height:76px;margin:-38px 0 0 -38px;pointer-events:none;opacity:0}
.ring.on{opacity:1}
.ring circle{fill:none;stroke-width:7}
.ring .track{stroke:rgba(255,255,255,.2)}
.ring .bar{stroke:#FFB599;stroke-linecap:round;stroke-dasharray:201;stroke-dashoffset:201;transform:rotate(-90deg);transform-origin:center}
.ring.on .bar{animation:fill .9s ease-out forwards}
@keyframes fill{to{stroke-dashoffset:0}}
.picker{position:absolute;top:52px;right:14px;display:flex;gap:6px;z-index:6}
.picker button{font:600 12px "Plus Jakarta Sans",sans-serif;color:#fff;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);padding:5px 10px;border-radius:8px;cursor:pointer}
.picker button[aria-pressed="true"]{background:#fff;color:#0B3B38}

/* sections */
section.sec{padding:84px 0}
.alt{background:var(--surface-alt)}
.sec-head{max-width:680px;margin-bottom:38px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.kicker{color:var(--accent);font-weight:700;font-size:13px;letter-spacing:.08em;text-transform:uppercase}
h2{font-size:clamp(28px,4vw,42px);letter-spacing:-.025em;line-height:1.1;margin:10px 0 12px}
h3{letter-spacing:-.01em}
.sec-head p{color:var(--muted);font-size:17px;margin:0}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
@media (max-width:960px){.grid4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:860px){.grid3,.grid2{grid-template-columns:1fr}}
@media (max-width:520px){.grid4{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:26px;box-shadow:var(--shadow)}
.card h3{margin:14px 0 6px;font-size:19px}
.card p{margin:0;color:var(--muted)}
.icon{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent)}
.icon.coral{background:var(--coral-soft);color:var(--coral)}
.icon svg{width:24px;height:24px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:s}
@media (max-width:860px){.steps{grid-template-columns:1fr}}
.stepc{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:26px;position:relative}
.stepc .n{width:44px;height:44px;border-radius:14px;background:var(--accent);color:var(--on-accent);display:grid;place-items:center;font-weight:800;font-size:19px}
.stepc h3{margin:16px 0 6px;font-size:19px}
.stepc p{margin:0;color:var(--muted)}

/* chips / links */
.pills{display:flex;flex-wrap:wrap;gap:10px}
.pill-link{display:inline-flex;align-items:center;gap:8px;text-decoration:none;font-weight:700;font-size:15px;background:var(--surface);border:1px solid var(--border);padding:10px 16px;border-radius:999px}
.pill-link:hover{border-color:var(--accent);color:var(--accent)}
.pill-link i{font-style:normal;color:var(--coral)}

/* formats */
.formats{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.fmt{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:18px 20px}
.fmt h3,.fmt h4{margin:0 0 6px;font-size:15.5px;display:flex;align-items:center;gap:8px}
.fmt h3::before,.fmt h4::before{content:"";width:9px;height:9px;border-radius:3px;background:var(--accent)}
.fmt:nth-child(3n+2) h3::before,.fmt:nth-child(3n+2) h4::before{background:var(--coral)}
.fmt p{margin:0;color:var(--muted);font-size:14px}
.fmt .lbl{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-top:10px;display:block}
.fmt .val{color:var(--text);font-size:14.5px}
.eng{display:inline-block;font-size:11px;font-weight:800;padding:1px 7px;border-radius:999px;background:var(--coral-soft);color:var(--coral);margin-left:4px;vertical-align:1px;white-space:nowrap}
.note{color:var(--muted);font-size:14px;margin-top:20px}

/* terminal */
.term{background:#0B1716;color:#D7F5EF;border-radius:18px;padding:22px 24px;font-size:14.5px;overflow-x:auto;border:1px solid rgba(255,255,255,.08);box-shadow:var(--shadow);margin:0;line-height:1.6}
.term .p{color:#2DD4BF}
.term .c{color:#6E8B87}

/* tables */
.tbl-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:16px;background:var(--surface)}
table.tbl{width:100%;border-collapse:collapse;font-size:15px}
.tbl th,.tbl td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--border);vertical-align:top}
.tbl tr:last-child td{border-bottom:0}
.tbl th{font-size:12.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);background:var(--surface-alt)}
.tbl td:first-child{font-weight:700;white-space:nowrap}
.tbl td{color:var(--muted)}
.tbl td code{white-space:nowrap}

/* feature list */
.feat-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 28px;margin-top:22px}
@media (max-width:700px){.feat-list{grid-template-columns:1fr}}
.feat-list div{display:flex;gap:12px;align-items:flex-start}
.feat-list b{display:block}
.feat-list span{color:var(--muted);font-size:15px}
.tick{flex:none;width:24px;height:24px;border-radius:50%;background:var(--accent);color:var(--on-accent);display:grid;place-items:center;margin-top:2px}

/* compare */
.vs{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:760px){.vs{grid-template-columns:1fr}}
.vs ul{margin:12px 0 0;padding:0;list-style:none}
.vs li{display:flex;gap:10px;margin:10px 0;color:var(--muted)}
.vs li b{color:var(--text)}
.vs .bad{color:#E04A3F;font-weight:800}
.vs .good{color:var(--accent);font-weight:800}

/* faq */
details{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:18px 22px;margin-bottom:12px}
summary{cursor:pointer;font-weight:700;font-size:16.5px;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--accent);font-size:22px;line-height:1}
details[open] summary::after{content:"−"}
details p,details li{color:var(--muted)}
details p{margin:10px 0 0}

/* callouts */
.warn{background:var(--warn-bg);border:1px solid var(--warn-border);color:var(--warn-text);border-radius:16px;padding:16px 18px;margin:16px 0}
.tip{background:var(--accent-soft);border-radius:16px;padding:14px 18px;margin:16px 0;color:var(--text)}
.tip b{color:var(--accent-strong)}

/* prose (docs pages) */
.prose h2{font-size:28px;margin:48px 0 12px}
.prose h3{font-size:20px;margin:28px 0 8px}
.prose p,.prose li{color:var(--muted);font-size:16.5px}
.prose li{margin:6px 0}
.prose b,.prose strong{color:var(--text)}
.toc{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 8px}
.toc a{font-size:14px;font-weight:600;text-decoration:none;color:var(--text);background:var(--surface);border:1px solid var(--border);padding:7px 12px;border-radius:999px}
.toc a:hover{border-color:var(--accent)}

/* final + footer */
.final{text-align:center;background:linear-gradient(135deg,var(--hero-a),var(--hero-b));color:#fff;border-radius:28px;padding:56px 24px;margin:0 20px}
.final h2{margin-top:0}
.final p{opacity:.88;margin:0 0 24px}
footer.site{padding:56px 0 40px;color:var(--muted);font-size:14px;margin-top:72px;border-top:1px solid var(--border)}
.foot-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:28px}
@media (max-width:760px){.foot-grid{grid-template-columns:1fr 1fr}}
.foot-grid h4{color:var(--text);margin:0 0 10px;font-size:14px}
.foot-grid a{display:block;color:var(--muted);text-decoration:none;margin:6px 0}
.foot-grid a:hover{color:var(--accent)}
.foot-bottom{margin-top:32px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between}

/* 30-second video */
.video-grid{display:grid;grid-template-columns:380px 1fr;gap:56px;align-items:center}
@media (max-width:860px){.video-grid{grid-template-columns:1fr;gap:32px}}
.phone{width:100%;max-width:380px;margin:0 auto;aspect-ratio:9/16;border-radius:34px;overflow:hidden;background:#091213;border:8px solid #10201F;box-shadow:0 30px 60px rgba(11,59,56,.25)}
.phone video{width:100%;height:100%;object-fit:cover;display:block}
.video-lead{color:var(--muted);font-size:17px;margin:0}
.phone{position:relative}
.sound{position:absolute;right:14px;bottom:14px;font:700 14px "Plus Jakarta Sans",sans-serif;color:#0B3B38;background:rgba(255,255,255,.92);border:0;border-radius:999px;padding:9px 14px;cursor:pointer;box-shadow:0 6px 18px rgba(0,0,0,.3)}
.sound:hover{background:#fff}