/* =========================================================
   QuantLab — QuantConnect-inspired landing
   Light business theme matching the current QC homepage
   ========================================================= */
:root{
  --bg:#ffffff;
  --bg2:#f7f8fa;
  --panel:#ffffff;
  --panel2:#f1f3f7;
  --border:#e6e9ef;
  --border2:#d5d9e3;
  --text:#313131;
  --muted:#555c66;
  --muted2:#a4a7b5;
  --blue:#4285f4;
  --link:#0072bc;
  --amber:#f5ae29;
  --green:#16a34a;
  --red:#dc2626;
  --dark:#202024;
  --black:#111;
  --maxw:1280px;
  --radius:8px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:hidden}
body{background:var(--bg);color:var(--text);font-family:"Open Sans",system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
img{max-width:100%;display:block}
ul{list-style:none}
h1,h2{font-family:"Open Sans Condensed","Open Sans",sans-serif;font-weight:700;letter-spacing:-.01em;line-height:1.15;color:var(--text)}
h2{font-size:clamp(22px,2.2vw,30px);margin:12px 0 18px}
p{color:var(--muted)}
.container{width:100%;margin:0 auto;padding:0 15px}
@media(min-width:768px){.container{width:750px}}
@media(min-width:992px){.container{width:970px}}
@media(min-width:1200px){.container{width:1170px}}
@media(min-width:1600px){.container{width:1570px}}
@media(min-width:2000px){.container{width:1970px}}
.section{padding:92px 0}
.eyebrow{display:block;font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--link);margin-bottom:12px;text-transform:uppercase}
.grad{color:inherit}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius);padding:13px 28px;font-weight:700;font-size:15px;transition:.22s;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn-amber{background:var(--amber);color:#fff;box-shadow:0 3px 8px rgba(0,0,0,.12)}
.btn-amber:hover{background:#f6b842}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:#5a96f6}
.btn-arrow{color:var(--link);background:#fff;border:1px solid var(--border2);font-weight:600;padding:12px 38px 12px 18px;position:relative}
.btn-arrow:after{content:"→";position:absolute;right:15px;top:50%;transform:translateY(-50%);font-size:16px}
.btn-arrow:hover{border-color:var(--link);background:#f7fbfe}

/* checkmark list */
.checks{display:grid;grid-template-columns:1fr 1fr;gap:10px 24px;margin:22px 0}
.checks li{display:flex;align-items:center;gap:10px;font-size:15px;color:var(--text)}
.chk{width:17px;height:17px;flex:0 0 auto;border-radius:50%;background:var(--link);position:relative}
.chk:after{content:"";position:absolute;left:5px;top:3px;width:5px;height:9px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}

/* ============ header (dark, matches QC navbar) ============ */
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(34,34,34,.94);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.06)}
.nav{height:66px;display:flex;align-items:center;justify-content:space-between}
.nav-right{display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.1em;font-size:15px;color:#fff}
.logo-mark{width:26px;height:26px;border-radius:6px;background:linear-gradient(135deg,var(--blue),#6db6ff);position:relative;flex:0 0 auto}
.logo-mark:after{content:"";position:absolute;left:7px;top:9px;width:12px;height:8px;background:#fff;border-radius:2px;clip-path:polygon(0 100%,40% 40%,55% 70%,80% 0,100% 40%,100% 100%)}
.nav-links{display:flex;gap:24px;font-size:14px;color:#9d9d9d}
.nav-links a{transition:.2s}
.nav-links a:hover{color:#fff}
.nav-actions{display:flex;align-items:center;gap:18px;font-size:14px}
.nav-actions>a{color:#9d9d9d;transition:.2s}
.nav-actions>a:hover{color:#fff}
.lang-toggle{font-size:12px;font-weight:700;color:#9fc6ff;border:1px solid rgba(255,255,255,.28);border-radius:999px;padding:5px 12px;transition:.2s}
.lang-toggle:hover{color:#fff;border-color:#fff}
.mobile-menu{display:none;font-size:24px;color:#fff}

/* ============ hero (light) ============ */
.hero{position:relative;padding:150px 0 84px;overflow:hidden;background-color:var(--bg2);background-image:url("../img/header-sundial.svg"),url("../img/candles-bg.svg");background-repeat:no-repeat,repeat-x;background-position:top left,bottom}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr 1.06fr;gap:44px;align-items:center}
.hero h1{font-size:clamp(26px,2.4vw,34px);margin:8px 0 18px;font-weight:700}
.hero-copy p{margin-bottom:14px;max-width:620px;color:var(--muted)}
.hero-actions{margin-top:28px}
/* terminal — light window */
.hero-terminal{border:1px solid var(--border);border-radius:var(--radius);background:#fff;overflow:hidden;box-shadow:0 18px 46px -18px rgba(49,49,49,.35)}
.term-bar,.kb-bar{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--border);background:#fbfbfd}
.dots{display:flex;gap:6px}
.dots i{width:9px;height:9px;border-radius:50%;background:#dfe3ea}
.url{font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--muted2);flex:1;background:#f1f3f7;border-radius:10px;padding:2px 9px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.url b{color:var(--text);font-weight:500}
.live{display:inline-flex;align-items:center;gap:6px;font-size:9px;font-weight:600;letter-spacing:.1em;color:var(--text)}
.live i{width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 6px var(--green)}
.live.alt{color:var(--link)}
.live.alt i{background:var(--link);box-shadow:0 0 6px var(--link)}
.term-body{background:#fff;padding:14px}
.tstats{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-bottom:14px}
.tstat{background:var(--bg2);border:1px solid var(--border);border-radius:6px;padding:9px 10px}
.tstat .v{display:block;font:500 15px "JetBrains Mono",monospace;color:var(--text)}
.tstat .v.up{color:var(--green)}
.tstat .k{font-size:10px;color:var(--muted2)}
.trow-main{display:grid;grid-template-columns:1.25fr .75fr;gap:10px;margin-bottom:10px}
.tcard{background:#fff;border:1px solid var(--border);border-radius:6px;padding:10px;min-width:0}
.tcard-head{display:flex;justify-content:space-between;align-items:center;font-size:10px;color:var(--muted2);letter-spacing:.05em;margin-bottom:8px;font-weight:600}
.tcard-head .tag{font-family:"JetBrains Mono",monospace;color:var(--text)}
.tcanvas{width:100%;display:block}
.tcard-eq .tcanvas{height:168px}
.tcard-tm .tcanvas{height:168px}
.trow-mini{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:10px}
.trow-mini .tcanvas{height:56px}
.tcard-orders{padding:10px}
.orders-head,.order-row{display:grid;grid-template-columns:1.1fr 1fr 1fr 1fr 1fr;gap:8px;font-family:"JetBrains Mono",monospace;font-size:10px;padding:7px 6px}
.orders-head{color:var(--muted2);border-bottom:1px solid var(--border);font-weight:600}
.orders-body .order-row{border-bottom:1px solid #f0f2f6;color:var(--text)}
.order-row .pos{color:var(--green)}
.order-row .neg{color:var(--red)}

/* ============ social proof ============ */
.social-proof{border-bottom:1px solid #edf3fb;background:#fff}
.sp-top{display:grid;grid-template-columns:1fr 50px 1fr;gap:20px;padding:46px 0;align-items:stretch}
.sp-kpis{display:block}
.sp-eyebrow{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--muted2);text-transform:uppercase}
.kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin-top:18px}
.kpi b{display:block;font:700 clamp(20px,3vw,32px) "Open Sans Condensed","Open Sans",sans-serif;color:var(--text);white-space:nowrap}
.kpi span{font-size:12px;color:var(--muted2);white-space:nowrap}
.sp-divider{width:2px;border-right:1px solid #edf3fb;margin:0 auto}
.sp-press{display:flex;flex-direction:column;justify-content:center}
.press-row{display:flex;align-items:center;gap:40px;margin-top:14px;flex-wrap:wrap;filter:grayscale(1);opacity:.65}
.press-row img{height:28px;width:auto;transition:.25s}
.press-row img:hover{filter:none;opacity:1}
.press-row img:nth-child(2){height:24px}

/* ============ pipeline ============ */
.section-pipeline{background:#fff}
.pipe-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:44px;align-items:center}
.pipe-copy p{margin-bottom:12px}
.kb-browser{border:1px solid var(--border);border-radius:var(--radius);background:#fff;overflow:hidden;box-shadow:0 18px 46px -18px rgba(49,49,49,.35)}
.kb-body{display:grid;grid-template-columns:1fr 210px;min-height:340px}
.kb-board{position:relative;overflow:hidden;border-right:1px solid var(--border);padding:18px;background-color:#fff;background-image:radial-gradient(circle,#c9ced9 1px,transparent 1px);background-size:13px 13px}
.kb-board:after{content:"";position:absolute;top:0;right:0;bottom:0;width:56px;background:linear-gradient(90deg,rgba(255,255,255,0),#fff 88%);pointer-events:none;z-index:5}
.kb-track{position:absolute;top:18px;bottom:18px;left:0;display:flex;gap:12px;transition:transform 1.4s cubic-bezier(.5,.05,.2,1)}
.kb-col{width:150px;flex:0 0 auto;background:#fff;border:1px solid var(--border);border-radius:8px;padding:10px;box-shadow:0 4px 14px -8px rgba(49,49,49,.3)}
.kb-col h5{font-size:10px;letter-spacing:.1em;color:var(--muted2);text-transform:uppercase;margin-bottom:8px;font-weight:600}
.kb-col .pbar{height:6px;border-radius:3px;background:var(--panel2);margin-bottom:6px;position:relative;overflow:hidden}
.kb-col .pbar i{position:absolute;inset:0;background:var(--link);border-radius:3px;width:40%}
.kb-col .pill{height:34px;border-radius:6px;background:var(--panel2);border:1px solid #f0f2f6;margin-bottom:6px}
.kb-col .pill.w{width:70%}.kb-col .pill.m{width:85%}.kb-col .pill.s{width:55%}
.kb-card{position:absolute;top:42%;left:30px;z-index:6;width:230px;background:#fff;border:1px solid var(--border);border-radius:8px;padding:15px 16px;box-shadow:0 16px 30px -16px rgba(49,49,49,.5)}
.kb-card .kb-tag{display:inline-block;font-size:10px;font-weight:600;letter-spacing:.08em;color:var(--link);background:#eef5ff;border-radius:99px;padding:3px 10px;margin-bottom:10px}
.kb-card .kb-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:14px}
.kb-progress{height:7px;border-radius:4px;background:var(--panel2);overflow:hidden}
.kb-progress-fill{height:100%;width:8%;background:var(--link);border-radius:4px;transition:width 1s linear}
.kb-side{display:flex;flex-direction:column;background:#fff}
.kb-side-head{padding:12px;border-bottom:1px solid var(--border);font-size:11px;color:var(--muted2);letter-spacing:.08em;font-weight:600}
.kb-chat{flex:1;overflow:hidden;padding:12px;display:flex;flex-direction:column;gap:8px;justify-content:flex-end}
.msg{font-size:11px;line-height:1.5;padding:8px 10px;border-radius:9px;max-width:95%;opacity:0;transform:translateY(6px);animation:msgIn .4s forwards}
.msg.ai{background:var(--bg2);border:1px solid var(--border);color:var(--muted);align-self:flex-start}
.msg.user{background:#e8f0fe;border:1px solid #d3e3fd;color:#1a3a6b;align-self:flex-end}
@keyframes msgIn{to{opacity:1;transform:none}}
.kb-compose{padding:10px 12px;border-top:1px solid var(--border)}
.kb-field{display:flex;align-items:center;gap:4px;background:var(--bg2);border:1px solid var(--border);border-radius:999px;padding:7px 12px;font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--muted)}
.kb-caret{width:7px;height:13px;background:var(--link);animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

/* ============ infra / tabs ============ */
.section-infra{background:var(--bg2);border-top:1px solid #edf3fb;border-bottom:1px solid #edf3fb}
.infra-head{max-width:780px;margin-bottom:40px}
.tab-row{border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:#fff}
.tab-list{display:flex;gap:10px;list-style:none;padding:14px 0}
.tab{display:flex;align-items:center;justify-content:center;gap:9px;flex:1;padding:14px 18px;cursor:pointer;color:var(--text);font-size:15px;font-weight:600;letter-spacing:.02em;background:rgba(212,215,223,.24);border-radius:6px;transition:.2s;white-space:nowrap;text-align:center}
.tab .tab-ic{display:grid;place-items:center;width:20px;height:20px}
.tab .tab-ic img{width:18px;height:18px;object-fit:contain;filter:grayscale(.3)}
.tab:hover{background:rgba(212,215,223,.5)}
.tab.active{background:var(--link);color:#fff}
.tab.active .tab-ic img{filter:none}
.tab-short{display:none}
.tab-pane{display:none}
.tab-pane.active{display:block;animation:paneIn .45s ease}
@keyframes paneIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.pane-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:56px 0 64px}
.pane-text p{margin-bottom:12px}
.pane-img{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);background:#fff;box-shadow:0 18px 46px -18px rgba(49,49,49,.35)}
.pane-img img{width:100%;height:auto}

/* ============ logo scroller ============ */
.logo-scroller{padding:52px 0;overflow:hidden;border-bottom:1px solid #e5e7ef}
.scroller-outer{overflow:hidden;position:relative}
.scroller-outer:before,.scroller-outer:after{content:"";position:absolute;top:0;bottom:0;width:120px;z-index:2;pointer-events:none}
.scroller-outer:before{left:0;background:linear-gradient(90deg,var(--bg),transparent)}
.scroller-outer:after{right:0;background:linear-gradient(270deg,var(--bg),transparent)}
.scroller-track{display:flex;width:max-content;animation:scroll 36s linear infinite}
.scroller-track:hover{animation-play-state:paused}
.scroller-group{display:flex;align-items:center;gap:54px;padding-right:54px}
.scroller-group img{height:26px;width:auto;opacity:.5;filter:grayscale(1)}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ============ assets ============ */
.center-head{max-width:780px;margin:0 auto 48px;text-align:center}
.center-head p{margin:0 auto}
.asset-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px 60px;row-gap:44px}
.asset{border-top:1px solid var(--border);padding:26px 20px 0 0;transition:.25s}
.asset:hover{transform:translateY(-3px)}
.asset img{width:44px;height:44px;margin-bottom:14px}
.asset h3{font-size:20px;margin-bottom:8px;color:var(--text)}
.asset p{font-size:14.5px;color:var(--muted)}

/* ============ data ============ */
.section-data{background:#fff;position:relative;overflow:hidden}
.data-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.data-text p{margin-bottom:12px}
.code-block{background:#eff1f5;border-radius:5px;padding:22px 25px;margin:14px 0 0}
.code-block h3{color:#485570;font-size:14px;padding-bottom:15px;border-bottom:1px solid #cdd3df;margin-bottom:22px;font-weight:700;font-family:"Courier New",Courier,monospace;line-height:1.5}
.code-block .code-text{color:#485570;font-family:"Courier New",Courier,monospace;min-height:150px;text-align:left;white-space:pre-line;font-size:13.5px;line-height:1.9;overflow:hidden}
.ds-logos{width:100%;height:auto;margin-top:40px;opacity:.95}

/* ============ build vs buy (light, matches QC section-cost gray-bg) ============ */
.section-build{background:var(--bg2);position:relative;overflow:hidden}
.section-build:before{content:"";position:absolute;top:0;left:0;width:24%;height:60%;background:url("../img/section-top-left-bg.svg") no-repeat top left;background-size:contain;opacity:.65;pointer-events:none}
.section-build:after{content:"";position:absolute;bottom:0;right:0;width:24%;height:55%;background:url("../img/section-bottom-right-bg.svg") no-repeat bottom right;background-size:contain;opacity:.65;pointer-events:none}
.build-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;position:relative}
.build-copy p{margin-bottom:14px}
.build-visual{padding-left:100px}
.build-visual img{width:100%;max-width:560px;box-shadow:0 20px 50px -20px rgba(49,49,49,.3)}

/* ============ lean (black) ============ */
.section-lean{background-color:var(--black);position:relative;overflow:hidden}
.section-lean:before{content:"";position:absolute;bottom:0;left:0;width:20%;height:50%;background:url("../img/section-bottom-left-bg.svg") no-repeat bottom left;background-size:contain;opacity:.5;pointer-events:none}
.section-lean:after{content:"";position:absolute;top:0;right:0;width:20%;height:50%;background:url("../img/section-top-right-bg.svg") no-repeat top right;background-size:contain;opacity:.5;pointer-events:none}
.section-lean .container{position:relative}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.section-lean .eyebrow{color:#8fb8ff}
.section-lean h2{color:#fff}
.section-lean p{color:#b6bac3}
.rounded,.rounded img{width:100%;height:auto;border-radius:var(--radius)}
.lean-engine,.lean-cli,.lean-ent{padding:16px 0 40px}
.lean-cli .cli-window{order:1}
.cli-window{border:1px solid #333;border-radius:var(--radius);background:#0c0c0f;overflow:hidden}
.cli-window .kb-bar{background:#16161a;border-color:#2a2a2f}
.cli-body{font-family:"JetBrains Mono",monospace;font-size:13px;line-height:2;padding:18px 20px;color:#c6cbd4}
.cli-body .cm{color:var(--green);margin-right:8px}
.cli-body .cok{color:var(--muted2)}
.ent-copy p{margin-bottom:16px}
.bench{margin-top:6px}
.bench-row{padding:16px 0;border-top:1px solid #2a2a2f;font-size:14px;color:#d6d9df}
.bench-row>span{display:block;margin-bottom:12px}
.bars{display:flex;flex-direction:column;gap:5px}
.bar-a,.bar-b{height:9px;border-radius:4px}
.bar-a{background:linear-gradient(90deg,var(--link),#4a90d9);max-width:100%}
.bar-b{background:#3a3d46}
.bar-labels{display:flex;justify-content:space-between;font-size:10px;letter-spacing:.1em;color:var(--muted2);margin-top:6px;font-weight:700}
.ent-visual img{width:100%;border-radius:var(--radius);border:1px solid #2a2a2f}

/* ============ testimonials ============ */
.section-testimonials{background:#fff}
.carousel{position:relative;max-width:860px;margin:0 auto;overflow:hidden;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg2);padding:48px}
.track{position:relative;min-height:250px}
.slide{position:absolute;left:0;top:0;width:100%;padding:0 8px;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .5s ease}
.slide.active{opacity:1;visibility:visible;pointer-events:auto}
.cat{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.12em;color:var(--link);background:#eef5ff;border-radius:99px;padding:4px 12px;margin-bottom:20px}
.slide blockquote{font-size:clamp(18px,2.2vw,23px);line-height:1.5;font-weight:700;color:var(--text);font-family:"Open Sans Condensed","Open Sans",sans-serif;margin-bottom:26px}
.person{display:flex;align-items:center;gap:16px}
.person img{width:56px;height:56px;border-radius:50%;border:1px solid var(--border2)}
.person b{display:block;font-size:15px;color:var(--text)}
.person span{font-size:12.5px;color:var(--muted2)}
.person a{display:block;font-size:12px;color:var(--link);margin-top:3px;font-weight:600}
.person a:hover{text-decoration:underline}
.carousel-controls{display:flex;align-items:center;justify-content:center;gap:18px;margin-top:28px}
.c-prev,.c-next{width:40px;height:40px;border-radius:50%;border:1px solid var(--border2);display:grid;place-items:center;font-size:20px;color:var(--muted);transition:.2s;background:#fff}
.c-prev:hover,.c-next:hover{border-color:var(--link);color:var(--link)}
.dots{display:flex;gap:8px}
.dots button{width:8px;height:8px;border-radius:99px;background:var(--border2);transition:.25s}
.dots button.active{width:26px;background:var(--link)}

/* ============ community ============ */
.section-community{background:var(--bg2);border-top:1px solid #edf3fb}
.comm-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.comm-copy p{margin-bottom:12px}
.comm-visual{position:relative;height:400px;border:1px solid var(--border);border-radius:var(--radius);background:#fff;overflow:hidden;display:grid;place-items:center}
.comm-visual .node{position:absolute;width:7px;height:7px;border-radius:50%;background:var(--link);box-shadow:0 0 10px var(--link);animation:nodePulse 3s ease-in-out infinite}
@keyframes nodePulse{0%,100%{opacity:.35;transform:scale(1)}50%{opacity:1;transform:scale(1.35)}}
.comm-center{text-align:center;position:relative;z-index:2}
.comm-center b{display:block;font:700 60px "Open Sans Condensed",sans-serif;color:var(--text);margin-bottom:8px}
.comm-center .eyebrow{font-size:11px}

/* ============ cta ============ */
.cta{position:relative;text-align:center;padding:116px 0;overflow:hidden;background:#fff}
.cta:before{content:"";position:absolute;inset:0;background:url("../img/candles-bg.svg") repeat-x bottom;opacity:.35;pointer-events:none}
.cta>*{position:relative}
.cta h2{font-size:clamp(30px,3.8vw,46px);margin:12px 0 18px}
.cta p{margin-bottom:30px}

/* ============ footer (dark) ============ */
.footer{border-top:1px solid #080808;background:#222;padding:58px 0 46px}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:40px}
.f-brand{display:flex;flex-direction:column;gap:16px}
.f-brand>span{font-size:12px;color:#777}
.f-col{display:flex;flex-direction:column;gap:9px}
.f-col h4{font-size:12px;letter-spacing:.12em;color:#fff;text-transform:uppercase;margin-bottom:8px}
.f-col a{font-size:13px;color:#9d9d9d;transition:.2s}
.f-col a:hover{color:#fff}
.f-lean .logo{color:#fff}
.gh-row{display:flex;align-items:center;gap:10px;font-size:12px;color:#777}
.gh-row b{font-family:"JetBrains Mono",monospace;color:#cfd3da;font-weight:500}

/* ============ responsive ============ */
@media(max-width:1024px){
  .kpi-row{gap:20px}
  .kpi b{font-size:26px}
  .tab{padding:13px 12px;font-size:13.5px}
  .asset-grid{gap:14px 30px}
}
@media(max-width:900px){
  .nav-links,.nav-actions>a{display:none}
  .mobile-menu{display:block}
  .nav-actions{gap:12px}
  .nav-links.open{display:flex;flex-direction:column;position:absolute;top:66px;left:0;right:0;background:#1b1b1f;padding:18px 24px;gap:16px;border-bottom:1px solid #333;color:#cfd3da}
  .hero{padding:118px 0 56px}
  .hero-grid,.pipe-grid,.data-grid,.build-grid,.comm-grid{grid-template-columns:1fr}
  .build-visual{padding-left:0;text-align:center}
  .build-visual img{margin:0 auto}
  .pane-grid{grid-template-columns:1fr;gap:28px}
  .pane-img{order:2}
  .asset-grid{grid-template-columns:repeat(2,1fr)}
  .grid-2{grid-template-columns:1fr;gap:26px}
  .lean-cli .cli-window{order:2}
  .footer-grid{grid-template-columns:1fr 1fr}
  .kb-body{grid-template-columns:1fr}
  .kb-side{border-top:1px solid var(--border);min-height:190px}
  .checks{grid-template-columns:1fr 1fr}
  .tab-list{overflow-x:auto;scrollbar-width:none;flex-wrap:nowrap}
  .tab-list::-webkit-scrollbar{display:none}
  .tab{flex:0 0 auto;min-width:150px}
  .sp-top{grid-template-columns:1fr;gap:10px;padding:36px 0}
  .sp-divider{display:none}
  .sp-press{border-top:1px solid #edf3fb;padding-top:28px;margin-top:22px}
  .section-build:before,.section-build:after,.section-lean:before,.section-lean:after{width:34%;height:34%}
}
@media(max-width:620px){
  .container{padding:0 18px}
  .section{padding:64px 0}
  .hero h1{font-size:30px}
  .hero{padding:106px 0 44px}
  .hero-actions .btn{width:100%}
  .asset-grid{grid-template-columns:1fr}
  .asset{text-align:center}
  .asset img{margin:0 auto 14px}
  .checks{justify-content:center}
  .checks li{justify-content:center;text-align:left}
  .footer-grid{grid-template-columns:1fr}
  .kpi-row{grid-template-columns:1fr 1fr;gap:14px}
  .kpi b{font-size:24px}
  .checks{grid-template-columns:1fr}
  .tstats{grid-template-columns:repeat(3,1fr)}
  .tstat-opt{display:none}
  .trow-main{grid-template-columns:1fr}
  .orders-head{display:none}
  .order-row{grid-template-columns:1.2fr 1fr 1fr}
  .order-row .o-avg,.order-row .o-mkt{display:none}
  .tab-full{display:none}
  .tab-short{display:inline}
  .tab{min-width:110px}
  .carousel{padding:30px 20px}
  .comm-visual{height:270px}
  .comm-center b{font-size:44px}
  .kb-card{width:196px;left:18px}
  .kb-board{padding:14px}
  .press-row{gap:28px}
  .pane-grid{padding:36px 0 46px}
}
@media(prefers-reduced-motion:reduce){
  *,*:before,*:after{animation-duration:.001s!important;animation-iteration-count:1!important;transition-duration:.001s!important}
  html{scroll-behavior:auto}
}