:root {
  --ink:#050a14; --paper:#f4f1eb;
  --signal:#00e5a0; --signal-dim:#00a872;
  --accent:#ff4b6e; --blue:#1a5fe4; --warn:#f59e0b;
  --muted:#6b7280; --muted-lt:#9ca3af; --text:#e6edf3;
  --s1:#0d1117; --s2:#161b22; --s3:#21262d; --s4:#30363d;
  --border:rgba(255,255,255,.07);
  --radius:8px;
  --mono:'IBM Plex Mono',monospace;
  --sans:'IBM Plex Sans',sans-serif;
  --shadow:0 2px 16px rgba(0,0,0,.4);
  --shadow-lg:0 8px 48px rgba(0,0,0,.5);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--ink);color:var(--text);min-height:100vh;font-size:15px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--signal);text-decoration:none}
a:hover{text-decoration:underline}
code,.mono{font-family:var(--mono)}
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:var(--s1)}
::-webkit-scrollbar-thumb{background:var(--s4);border-radius:3px}

/* ── NAV ── */
header{position:sticky;top:0;z-index:100;background:rgba(5,10,20,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.nav-inner{max-width:1240px;margin:0 auto;padding:0 24px;height:58px;display:flex;align-items:center;gap:0}
.brand{font-family:var(--mono);font-size:14px;font-weight:600;color:var(--text);letter-spacing:.04em;margin-right:32px;white-space:nowrap}
.brand span{color:var(--signal)}
a.brand,a.brand:hover{color:var(--text);text-decoration:none}
.nav-links{display:flex;gap:0;flex:1}
.nav-link{background:none;border:none;color:var(--muted-lt);font-family:var(--sans);font-size:13px;padding:0 14px;height:58px;cursor:pointer;white-space:nowrap;transition:color .15s;border-bottom:2px solid transparent;font-weight:500;text-decoration:none;display:flex;align-items:center}
.nav-link:hover{color:#fff;text-decoration:none}
.nav-link.active{color:var(--signal);border-bottom-color:var(--signal)}
.nav-cta{margin-left:auto;display:flex;align-items:center;gap:10px}
.hamburger{display:none;background:none;border:none;color:var(--text);font-size:18px;cursor:pointer;padding:6px}
.mobile-menu{display:none;position:fixed;top:58px;left:0;right:0;background:var(--s1);border-bottom:1px solid var(--border);padding:16px 24px;flex-direction:column;gap:4px;z-index:99}
.mobile-menu.open{display:flex}
.mobile-link{color:var(--muted-lt);font-size:14px;padding:10px 0;border-bottom:1px solid var(--border);text-decoration:none;transition:color .15s}
.mobile-link:hover{color:var(--signal);text-decoration:none}

/* ── BUTTONS ── */
.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:var(--radius);font-size:13px;font-weight:600;cursor:pointer;border:none;transition:transform .12s,box-shadow .12s;font-family:var(--sans);text-decoration:none;white-space:nowrap}
.btn:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(0,0,0,.3);text-decoration:none}
.btn:active{transform:none}
.btn-p{background:var(--signal);color:var(--ink)}
.btn-o{background:transparent;color:var(--text);border:1.5px solid var(--border)}
.btn-o:hover{border-color:var(--signal);color:var(--signal)}
.btn-sm{padding:7px 14px;font-size:12px}

/* ── ROULETTE ── */
.roulette-wrapper{text-align:center;padding:100px 24px 72px;position:relative}
.roulette-label{display:block;font-family:var(--mono);font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.22em;margin-bottom:20px}
.roulette-viewport{overflow:hidden;position:relative}
.roulette-word{
  font-family:'Space Grotesk',var(--sans);
  font-size:clamp(3.2rem,9.5vw,7.8rem);
  font-weight:700;
  letter-spacing:-.04em;
  line-height:1;
  background:linear-gradient(130deg,var(--signal) 0%,#60a5fa 55%,#a78bfa 100%);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  display:inline-block;
  transition:opacity .42s cubic-bezier(.4,0,.2,1), transform .42s cubic-bezier(.4,0,.2,1);
  will-change:opacity,transform;
}
.roulette-divider{width:1px;height:56px;background:linear-gradient(to bottom,var(--signal-dim),transparent);margin:32px auto 0}

/* ── MARQUEE ── */
.marquee-strip{overflow:hidden;border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:12px 0;background:rgba(255,255,255,.01)}
.marquee-track{display:inline-flex;white-space:nowrap;animation:marquee-run 28s linear infinite}
.marquee-track:hover{animation-play-state:paused}
@keyframes marquee-run{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.marquee-item{font-family:var(--mono);font-size:10px;text-transform:uppercase;letter-spacing:.18em;color:var(--muted);padding:0 28px}
.marquee-dot{color:rgba(0,229,160,.3);padding:0 4px}

/* ── HERO ── */
.hero{background:var(--ink);padding:0 24px 80px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 50% at 60% 40%,rgba(0,229,160,.06) 0%,transparent 70%),radial-gradient(ellipse 40% 40% at 20% 80%,rgba(26,95,228,.06) 0%,transparent 60%);pointer-events:none}
.hero-grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1fr 380px;gap:56px;align-items:center;position:relative}
.eyebrow{font-family:var(--mono);font-size:11px;color:var(--signal);letter-spacing:.16em;text-transform:uppercase;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.eyebrow::before{content:'';display:inline-block;width:28px;height:1px;background:var(--signal)}
.hero h1{font-size:clamp(32px,5vw,58px);font-weight:800;line-height:1.1;letter-spacing:-.03em;margin-bottom:22px}
.hero h1 em{font-style:normal;color:var(--signal)}
.hero-sub{font-size:16px;color:rgba(255,255,255,.6);max-width:500px;margin-bottom:36px;line-height:1.75}
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap}
.hero-stats{background:rgba(255,255,255,.03);border:1px solid rgba(0,229,160,.15);border-radius:14px;padding:28px;display:flex;flex-direction:column;gap:22px}
.hstat .num{font-family:var(--mono);font-size:34px;font-weight:600;color:var(--signal);line-height:1}
.hstat .lbl{font-size:12px;color:rgba(255,255,255,.45);margin-top:4px}
.hstat .src{font-size:10px;color:rgba(255,255,255,.25);font-family:var(--mono);margin-top:2px}

/* ── LOGOS / TRUST ── */
.trust{padding:32px 24px;border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:rgba(255,255,255,.01)}
.trust-inner{max-width:900px;margin:0 auto;display:flex;align-items:center;gap:32px;flex-wrap:wrap;justify-content:center}
.trust-label{font-family:var(--mono);font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.12em;white-space:nowrap}
.trust-items{display:flex;gap:24px;flex-wrap:wrap;align-items:center}
.trust-item{font-family:var(--mono);font-size:11px;color:var(--muted-lt);padding:4px 12px;border:1px solid var(--border);border-radius:20px;transition:border-color .2s,color .2s}
.trust-item:hover{border-color:rgba(0,229,160,.3);color:var(--signal)}

/* ── SECTION ── */
section{padding:80px 24px}
.section-inner{max-width:1100px;margin:0 auto}
.section-label{font-family:var(--mono);font-size:11px;color:var(--signal);letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.section-label::before{content:'';display:inline-block;width:20px;height:1px;background:var(--signal)}
.section-h2{font-size:clamp(22px,3.5vw,38px);font-weight:800;letter-spacing:-.02em;line-height:1.2;margin-bottom:14px}
.section-sub{font-size:15px;color:rgba(255,255,255,.5);max-width:600px;line-height:1.7}

/* ── TOOLS GRID ── */
.tools-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;margin-top:48px}
.tool-card{background:var(--s1);border:1px solid var(--border);border-radius:14px;padding:28px;transition:transform .2s,border-color .2s,box-shadow .2s;position:relative;overflow:hidden}
.tool-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--signal);opacity:0;transition:opacity .2s}
.tool-card:hover{transform:translateY(-4px);border-color:rgba(0,229,160,.25);box-shadow:0 12px 40px rgba(0,0,0,.4)}
.tool-card:hover::before{opacity:1}
.tool-icon{font-size:28px;margin-bottom:16px}
.tool-card h3{font-size:16px;font-weight:700;margin-bottom:8px}
.tool-card p{font-size:13.5px;color:rgba(255,255,255,.5);line-height:1.65;margin-bottom:18px}
.tool-features{display:flex;flex-direction:column;gap:6px;margin-bottom:20px}
.tool-feat{display:flex;align-items:flex-start;gap:8px;font-size:12px;color:rgba(255,255,255,.55)}
.tool-feat::before{content:'→';color:var(--signal-dim);font-family:var(--mono);flex-shrink:0;margin-top:1px}
.tool-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:20px}
.tag{display:inline-block;font-family:var(--mono);font-size:10px;padding:2px 8px;border-radius:4px;font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.tag-g{background:rgba(0,229,160,.12);color:var(--signal)}
.tag-b{background:rgba(26,95,228,.2);color:#60a5fa}
.tag-w{background:rgba(245,158,11,.18);color:#fcd34d}
.tag-r{background:rgba(255,75,110,.15);color:#ff7070}
.tag-v{background:rgba(139,92,246,.2);color:#a78bfa}

/* ── ARCHITECTURE ── */
.arch-section{background:var(--s1);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.arch-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-top:48px}
.arch-steps{display:flex;flex-direction:column;gap:0}
.arch-step{display:grid;grid-template-columns:44px 1fr;gap:0 16px}
.step-col{display:flex;flex-direction:column;align-items:center}
.step-num{width:36px;height:36px;border-radius:50%;background:var(--ink);color:var(--signal);display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:12px;font-weight:600;flex-shrink:0;border:1.5px solid var(--signal);z-index:1}
.step-line{flex:1;width:1px;background:linear-gradient(to bottom,var(--signal-dim),transparent);min-height:24px}
.step-body{padding:2px 0 28px}
.step-body h4{font-size:13.5px;font-weight:700;margin-bottom:4px}
.step-body p{font-size:12.5px;color:rgba(255,255,255,.45);line-height:1.6}
.arch-code{background:var(--ink);border:1px solid var(--border);border-radius:12px;padding:24px;font-family:var(--mono);font-size:12px;line-height:1.8;color:rgba(255,255,255,.6);overflow:auto;white-space:pre-wrap;overflow:visible}
.arch-code .c-green{color:var(--signal)}
.arch-code .c-blue{color:#60a5fa}
.arch-code .c-muted{color:var(--muted)}
.arch-code .c-yellow{color:#fcd34d}
.arch-code .c-red{color:#ff7070}
.arch-tabs{display:flex;gap:0;margin-bottom:16px;border-bottom:1px solid var(--border)}
.arch-tab{background:none;border:none;color:var(--muted);font-family:var(--mono);font-size:10.5px;padding:9px 16px;cursor:pointer;letter-spacing:.09em;text-transform:uppercase;border-bottom:2px solid transparent;transition:color .15s,border-color .15s}
.arch-tab:hover{color:var(--text)}
.arch-tab.active{color:var(--signal);border-bottom-color:var(--signal)}
.arch-panel{display:none}
.arch-panel.active{display:block}
.mermaid-wrap{background:var(--ink);border:1px solid var(--border);border-radius:12px;padding:20px;display:flex;align-items:center;justify-content:center;min-height:300px}
.mermaid-wrap svg{max-width:100%;height:auto}

/* ── TOOLTIP ── */
[data-tip]{position:relative;cursor:help;border-bottom:1px dashed rgba(0,229,160,.4)}
[data-tip]::after{content:attr(data-tip);position:absolute;bottom:calc(100% + 8px);left:0;background:var(--s2);border:1px solid rgba(0,229,160,.25);border-radius:6px;padding:6px 10px;font-size:10.5px;font-family:var(--mono);color:var(--text);white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .18s;z-index:300;line-height:1.5}
[data-tip]:hover::after{opacity:1}

/* ── AI WRITE BUTTON ── */
.ai-write-btn{display:inline-flex;align-items:center;gap:8px;margin-top:20px;background:rgba(0,229,160,.07);border:1px solid rgba(0,229,160,.22);border-radius:8px;padding:10px 18px;font-family:var(--mono);font-size:11.5px;color:var(--signal);cursor:pointer;transition:background .2s,border-color .2s;letter-spacing:.04em}
.ai-write-btn:hover{background:rgba(0,229,160,.14);border-color:rgba(0,229,160,.5)}
.blink-c{animation:blink-c .9s step-end infinite}
@keyframes blink-c{0%,100%{opacity:1}50%{opacity:0}}

/* ── MODAL ── */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.75);backdrop-filter:blur(8px);z-index:500;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .22s;padding:20px}
.modal-overlay.open{opacity:1;pointer-events:all}
.modal-box{background:var(--s1);border:1px solid rgba(0,229,160,.2);border-radius:16px;width:100%;max-width:660px;box-shadow:0 28px 80px rgba(0,0,0,.75);overflow:hidden;transform:translateY(20px);transition:transform .22s}
.modal-overlay.open .modal-box{transform:translateY(0)}
.modal-hdr{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;background:rgba(0,229,160,.04);border-bottom:1px solid var(--border)}
.modal-brand{display:flex;align-items:center;gap:9px;font-family:var(--mono);font-size:12px;color:var(--signal);font-weight:600;letter-spacing:.04em}
.modal-dot{width:7px;height:7px;border-radius:50%;background:var(--signal);animation:mdot 1.6s ease-in-out infinite;flex-shrink:0}
@keyframes mdot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.75)}}
.modal-status{font-family:var(--mono);font-size:10px;color:var(--muted);letter-spacing:.06em}
.modal-close-btn{background:none;border:none;color:var(--muted);cursor:pointer;font-size:17px;line-height:1;padding:2px;transition:color .14s}
.modal-close-btn:hover{color:var(--text)}
.modal-phases-bar{display:flex;gap:0;padding:0 20px;border-bottom:1px solid var(--border);background:rgba(255,255,255,.015);overflow-x:auto}
.mphase{font-family:var(--mono);font-size:10px;padding:9px 13px;color:var(--muted);border-bottom:2px solid transparent;text-transform:uppercase;letter-spacing:.1em;transition:color .2s,border-color .2s;white-space:nowrap}
.mphase.act{color:var(--signal);border-bottom-color:var(--signal)}
.mphase.done{color:var(--signal-dim)}
.modal-body{padding:22px 20px;min-height:240px;background:var(--ink);font-family:var(--mono);font-size:12.5px;line-height:1.9;color:rgba(255,255,255,.68);white-space:pre;overflow-x:auto}
.modal-body .cc-green{color:var(--signal)}
.modal-body .cc-blue{color:#60a5fa}
.modal-body .cc-yellow{color:#fcd34d}
.modal-body .cc-red{color:#ff7070}
.modal-body .cc-muted{color:var(--muted)}
.modal-cursor{display:inline-block;width:6px;height:13px;background:var(--signal);vertical-align:middle;margin-left:1px;animation:blink-c .8s step-end infinite}
.modal-ftr{padding:12px 20px;border-top:1px solid var(--border);display:flex;align-items:center;gap:12px}
.modal-pbar{flex:1;height:3px;background:var(--s3);border-radius:2px;overflow:hidden}
.modal-pfill{height:100%;background:linear-gradient(90deg,var(--signal-dim),var(--signal));border-radius:2px;width:0%;transition:width .2s}
.modal-pct{font-family:var(--mono);font-size:10px;color:var(--muted);min-width:28px}
.modal-credit{font-family:var(--mono);font-size:10px;color:rgba(0,229,160,.45);margin-left:auto}

/* ── PHILOSOPHY ── */
.phil-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:48px}
.phil-item{background:var(--s1);border:1px solid var(--border);border-radius:12px;padding:22px}
.phil-item .icon{font-size:24px;margin-bottom:12px}
.phil-item h4{font-size:13px;font-weight:700;color:var(--signal);margin-bottom:6px}
.phil-item p{font-size:12.5px;color:rgba(255,255,255,.45);line-height:1.65}
.callout{background:var(--ink);border:1px solid rgba(0,229,160,.15);border-radius:16px;padding:48px;text-align:center;position:relative;overflow:hidden;margin-top:64px}
.callout::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 30% 50%,rgba(0,229,160,.07),transparent 55%),radial-gradient(circle at 70% 50%,rgba(26,95,228,.07),transparent 55%);pointer-events:none}
.callout blockquote{font-size:clamp(16px,2.5vw,22px);font-style:italic;color:rgba(255,255,255,.75);line-height:1.6;margin-bottom:16px;position:relative}
.callout cite{font-family:var(--mono);font-size:12px;color:var(--muted)}
.callout-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-top:40px;position:relative}
.cg-item{background:rgba(255,255,255,.04);border:1px solid rgba(0,229,160,.12);border-radius:10px;padding:16px}
.cg-item h4{font-size:12px;font-weight:700;color:var(--signal);margin-bottom:4px}
.cg-item p{font-size:11.5px;color:rgba(255,255,255,.45)}

/* ── OPEN SOURCE ── */
.os-section{background:var(--s1);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.os-inner{max-width:760px;margin:0 auto;text-align:center}
.os-cards{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:32px}
.os-card{background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:12px;padding:22px 28px;display:flex;align-items:center;gap:14px;transition:border-color .2s,transform .15s;text-decoration:none;color:var(--text)}
.os-card:hover{border-color:rgba(0,229,160,.3);transform:translateY(-2px);text-decoration:none}
.os-card .icon{font-size:22px;flex-shrink:0}
.os-card .label{font-size:10px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-family:var(--mono)}
.os-card .title{font-size:13px;font-weight:600;margin-top:2px}

/* ── SUPPORT ── */
.support-section{background:var(--ink)}
.support-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-top:48px}
.support-card{background:var(--s1);border:1px solid var(--border);border-radius:14px;padding:28px;transition:border-color .2s,transform .15s}
.support-card:hover{border-color:rgba(0,229,160,.25);transform:translateY(-3px)}
.support-card .s-icon{font-size:26px;margin-bottom:14px}
.support-card h3{font-size:14px;font-weight:700;margin-bottom:8px}
.support-card p{font-size:12.5px;color:rgba(255,255,255,.45);line-height:1.65;margin-bottom:20px}
.support-card .btn{width:100%;justify-content:center}
.support-note{margin-top:48px;background:rgba(0,229,160,.05);border:1px solid rgba(0,229,160,.15);border-radius:12px;padding:24px 28px;display:flex;gap:16px;align-items:flex-start}
.support-note .note-icon{font-size:20px;flex-shrink:0;margin-top:1px}
.support-note p{font-size:12.5px;color:rgba(255,255,255,.5);line-height:1.7}
.support-note strong{color:var(--signal)}

/* ── FOOTER ── */
footer{background:var(--ink);border-top:1px solid var(--border);padding:48px 24px 32px}
.footer-inner{max-width:1100px;margin:0 auto}
.footer-top{display:grid;grid-template-columns:1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-top h4{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:14px}
.footer-link{display:block;font-size:13px;color:rgba(255,255,255,.45);margin-bottom:8px;transition:color .15s;text-decoration:none}
.footer-link:hover{color:var(--signal);text-decoration:none}
.footer-bottom{border-top:1px solid var(--border);padding-top:24px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
.footer-copy{font-family:var(--mono);font-size:11px;color:var(--muted)}
.footer-legal{font-size:11px;color:rgba(255,255,255,.25);max-width:500px;line-height:1.6}

/* ── RESPONSIVE ── */
@media(max-width:960px){
  .hero-grid{grid-template-columns:1fr}
  .hero-stats{display:none}
  .arch-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media(max-width:720px){
  .hero{padding:72px 20px 56px}
  section{padding:60px 20px}
  .nav-links{display:none}
  .hamburger{display:block}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media(max-width:480px){
  .hero h1{font-size:30px}
  .hero-ctas{flex-direction:column}
  .btn{justify-content:center}
  .os-cards{flex-direction:column;align-items:center}
}