:root{
  --canvas:#191919; --surface:#202020; --raised:#383836;
  --text:#FFFFFF; --text-2:rgba(255,255,255,.65); --text-3:rgba(255,255,255,.42);
  --border:rgba(255,255,255,.20); --border-soft:rgba(255,255,255,.10);
  --blue:#5E9FE8; --green:#72BC8F; --yellow:#EAC26B; --purple:#BF8EDA;
  --orange:#DE9255; --pink:#DF84A8; --teal:#4FB9C9; --red:#E97366;
  --radius:10px; --radius-lg:14px;
  --maxw:1120px; --prose:760px;
  --sans:"Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:"Menlo","Consolas","Liberation Mono",ui-monospace,monospace;
  --shadow:0 1px 2px rgba(0,0,0,.05),0 4px 12px rgba(0,0,0,.04);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans); font-size:16px; line-height:1.6; color:var(--text);
  background-color:var(--canvas);
  background-image:radial-gradient(rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:26px 26px; background-attachment:fixed;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}
.prose{max-width:var(--prose)}
.mono{font-family:var(--mono)}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--text-3)}
.accent{color:var(--blue)}
section{padding:64px 0}
section.tight{padding:44px 0}
h1,h2,h3,h4{line-height:1.2;font-weight:700;letter-spacing:-.01em}
h2{font-size:30px;margin-bottom:8px}
h3{font-size:21px;margin-bottom:8px}
h4{font-size:16px}
p{color:var(--text-2)}
.lead{font-size:18px;color:var(--text-2);max-width:var(--prose)}
.en{font-family:var(--mono);color:var(--text-3);font-weight:400}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(25,25,25,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-soft)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700}
.brand-mark{width:26px;height:26px;flex:none}
.brand-text em{display:block;font-family:var(--mono);font-style:normal;font-size:11px;letter-spacing:.14em;color:var(--text-3);font-weight:400}
.site-nav{display:flex;align-items:center;gap:4px}
.site-nav a{padding:8px 14px;border-radius:8px;font-size:14px;color:var(--text-2);transition:color .15s,background .15s}
.site-nav a:hover{color:var(--text);background:var(--raised)}
.site-nav a.active{color:var(--text);background:var(--raised)}
.site-nav a.disabled{opacity:.5;cursor:not-allowed}
.nav-toggle{display:none;background:var(--surface);border:1px solid var(--border);color:var(--text);width:44px;height:44px;border-radius:8px;font-size:18px;cursor:pointer}

/* hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--border-soft);padding:0}
.hero-inner{position:relative;z-index:2;padding:96px 32px 80px}
.hero-bg{position:absolute;inset:0;z-index:1;opacity:.55;pointer-events:none;-webkit-mask-image:linear-gradient(180deg,#000 40%,transparent);mask-image:linear-gradient(180deg,#000 45%,transparent)}
.hero-bg svg{width:100%;height:100%}
.hero-title{font-size:clamp(40px,7vw,76px);letter-spacing:-.03em;line-height:1.02}
.hero-sub-en{display:block;font-family:var(--mono);font-size:clamp(13px,1.6vw,17px);letter-spacing:.22em;color:var(--blue);margin-top:14px;font-weight:400}
.hero-tagline{font-size:clamp(17px,2.2vw,22px);color:var(--text);margin-top:22px;font-weight:500}
.hero-manifesto{margin-top:16px;max-width:640px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
.fact-strip{list-style:none;display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:44px;padding-top:26px;border-top:1px solid var(--border-soft)}
.fact-strip li{display:flex;flex-direction:column;gap:2px}
.fact-strip b{font-size:18px}
.fact-strip span{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-3)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 22px;border-radius:8px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .12s,background .15s,border-color .15s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--blue);color:#0d1b2a}
.btn-primary:hover{background:#7ab0ec}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--border)}
.btn-ghost:hover{background:var(--raised)}
.btn-arrow::after{content:"\2192";font-family:var(--mono)}

/* section head */
.sec-head{display:flex;align-items:baseline;gap:16px;margin-bottom:36px;flex-wrap:wrap}
.sec-num{font-family:var(--mono);font-size:13px;color:var(--blue);letter-spacing:.1em}
.sec-head .en{font-size:13px}

/* grid + cards */
.grid{display:grid;gap:20px}
.grid>*{min-width:0}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--surface);border:1px solid var(--border-soft);border-radius:var(--radius-lg);padding:24px;transition:border-color .18s,transform .18s;min-width:0}
.card:hover{border-color:var(--border);transform:translateY(-2px)}
.card .kfig{font-family:var(--mono);font-size:12px;color:var(--text-3);letter-spacing:.1em}
.card h3{margin-top:6px}
.card p{font-size:15px;margin-top:8px}
.card-icon{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;font-size:20px;margin-bottom:14px;background:rgba(94,159,232,.12);color:var(--blue)}

/* pillars */
.pillar{display:flex;gap:16px;align-items:flex-start}
.pillar .n{font-family:var(--mono);font-size:13px;color:var(--blue);border:1px solid var(--border);border-radius:8px;width:34px;height:34px;flex:none;display:grid;place-items:center}

/* chips */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-family:var(--mono);font-size:12px;padding:5px 10px;border-radius:999px;border:1px solid var(--border);color:var(--text-2);background:rgba(255,255,255,.03)}
.phase-chip{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:12px;padding:5px 12px;border-radius:999px;border:1px solid var(--border);color:var(--text)}
.phase-dot{width:9px;height:9px;border-radius:50%;flex:none}

/* pipeline */
.pipeline{width:100%;height:auto}
.pipe-note{margin-top:14px;font-size:14px}

/* table */
.table-wrap{overflow-x:auto;border:1px solid var(--border-soft);border-radius:var(--radius-lg)}
table.weeks{width:100%;border-collapse:collapse;min-width:820px;font-size:14.5px}
table.weeks th,table.weeks td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--border-soft);vertical-align:top}
table.weeks thead th{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-3);background:rgba(255,255,255,.02);position:sticky;top:0}
table.weeks tbody tr:hover{background:rgba(255,255,255,.03)}
table.weeks .wk{font-family:var(--mono);color:var(--blue);font-weight:600;white-space:nowrap}
table.weeks .ttl{font-weight:600}
table.weeks .ttl .en{display:block;font-size:12px;margin-top:2px}
table.weeks .ph{white-space:nowrap;font-family:var(--mono);font-size:12px;color:var(--text-2)}
table.weeks tr.is-break{opacity:.6}
table.weeks tr.is-break td{font-style:italic}

/* roadmap */
.roadmap-layout{display:grid;grid-template-columns:1.6fr .9fr;gap:24px;align-items:start}
.roadmap-stage{background:var(--surface);border:1px solid var(--border-soft);border-radius:var(--radius-lg);padding:12px;overflow:hidden}
#roadmap-svg{width:100%;height:auto;touch-action:manipulation}
.legend{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.rm-edge{stroke:var(--border);stroke-width:3;fill:none;transition:stroke .2s,opacity .2s}
.rm-node-g{cursor:pointer;outline:none}
.rm-node{stroke:var(--canvas);stroke-width:3;transition:transform .18s,filter .2s}
.rm-node-g:hover .rm-node,.rm-node-g:focus-visible .rm-node{filter:drop-shadow(0 0 10px currentColor)}
.rm-num{font-family:var(--mono);font-size:15px;font-weight:700;fill:#12100f;text-anchor:middle;dominant-baseline:central;pointer-events:none}
.rm-label{font-family:var(--mono);font-size:12px;fill:var(--text-2);text-anchor:middle;pointer-events:none}
.rm-node-g.is-active .rm-label{fill:var(--text)}
svg.dimmed .rm-node-g:not(.is-active){opacity:.32}
svg.dimmed .rm-node-g:not(.is-active) .rm-node{filter:none}
.rm-node-g.is-active .rm-node{stroke:var(--text)}

/* detail panel */
.detail{background:var(--surface);border:1px solid var(--border-soft);border-radius:var(--radius-lg);padding:22px;position:sticky;top:84px}
.detail .d-week{font-family:var(--mono);color:var(--blue);font-size:13px;letter-spacing:.1em}
.detail h3{margin-top:6px}
.detail .d-block{margin-top:18px}
.detail .d-block h4{font-family:var(--mono);font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:var(--text-3);margin-bottom:8px}
.detail .d-q{color:var(--text);font-size:15px;border-left:2px solid var(--blue);padding-left:12px}
.detail .d-exp,.detail .d-deliver,.detail .d-probe{font-size:14.5px;color:var(--text-2)}
.detail .d-probe{border-left:2px solid var(--orange);padding-left:12px}
.d-hint{font-size:12.5px;color:var(--text-3);margin-top:20px;font-family:var(--mono)}

/* fallback list */
.rm-list{margin-top:32px}
.rm-list ol{list-style:none;display:grid;gap:10px;counter-reset:none}
.rm-list li{background:var(--surface);border:1px solid var(--border-soft);border-radius:10px;padding:14px 16px;display:flex;gap:14px;align-items:baseline}
.rm-list .wk{font-family:var(--mono);color:var(--blue);white-space:nowrap}

/* callout */
.callout{border:1px solid var(--border-soft);border-left:3px solid var(--blue);background:rgba(94,159,232,.06);border-radius:10px;padding:18px 20px}
.callout.warn{border-left-color:var(--orange);background:rgba(222,146,89,.06)}
.callout.good{border-left-color:var(--green);background:rgba(114,188,143,.06)}
.callout h4{margin-bottom:6px}
.callout p{font-size:14.5px}

/* scoring bars */
.score-row{display:grid;grid-template-columns:64px 1fr;gap:16px;align-items:center;padding:12px 0;border-bottom:1px solid var(--border-soft)}
.score-row:last-child{border-bottom:0}
.score-pts{font-family:var(--mono);font-size:22px;font-weight:700;color:var(--blue)}
.score-row.p6 .score-pts{color:var(--green)}
.score-row p{font-size:14.5px;color:var(--text-2)}
.score-row b{color:var(--text)}

/* code */
code{font-family:var(--mono);font-size:.9em;background:var(--raised);padding:2px 6px;border-radius:5px;color:#e9e6df}
pre{background:#141413;border:1px solid var(--border-soft);border-radius:10px;padding:16px;overflow-x:auto;white-space:pre-wrap;overflow-wrap:anywhere;max-width:100%;font-family:var(--mono);font-size:13px;line-height:1.6;color:#e9e6df;margin-top:12px}
pre .cmt{color:var(--text-3)}

/* footer */
.site-footer{border-top:1px solid var(--border-soft);padding:40px 0;margin-top:24px;color:var(--text-3);font-size:13.5px}
.site-footer .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
.site-footer a{color:var(--text-2)}
.site-footer a:hover{color:var(--text)}

/* reveal */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

@media (max-width:900px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .roadmap-layout{grid-template-columns:1fr}
  .detail{position:static}
}
@media (max-width:680px){
  .container{padding:0 20px}
  .hero-inner{padding:64px 20px 56px}
  section{padding:48px 0}
  h2{font-size:24px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .nav-toggle{display:block}
  .site-nav{position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--surface);border-bottom:1px solid var(--border);padding:8px;display:none}
  .site-nav.open{display:flex}
  .site-nav a{padding:12px 14px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}