/* ============================================================
   Humanoid Control Systems — shared stylesheet
   Deep-navy base / blue→cyan signal gradient.
   Display: Space Grotesk ・ JP: Noto Sans JP (palt) ・ loaded via
   Google Fonts with system fallbacks. No other dependencies.
   ============================================================ */
:root{
  --bg:#070b14;
  --bg-2:#0a101e;
  --panel:#0d1425;
  --panel-2:#101a30;
  --line:#1b2440;
  --line-hi:#2c3c63;
  --ink:#eef3fc;
  --muted:#9aa8c8;
  --dim:#5d6c90;
  --blue:#4d7fff;
  --cyan:#3ee0ff;
  --cyan-ink:#06121f;
  --amber:#ffb454;
  --amber-dim:#6b4a1e;
  --grad:linear-gradient(115deg,#4d7fff 10%,#3ee0ff 90%);
  --mono:"SFMono-Regular",ui-monospace,"JetBrains Mono",Menlo,Consolas,monospace;
  --disp:"Space Grotesk","Inter","Helvetica Neue",Arial,"Noto Sans JP","Hiragino Kaku Gothic ProN",sans-serif;
  --sans:"Inter","Helvetica Neue","Noto Sans JP","Hiragino Kaku Gothic ProN",Arial,sans-serif;
  --maxw:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;color-scheme:dark}
body{
  background:var(--bg);color:var(--ink);
  font-family:var(--sans);line-height:1.85;font-size:15.5px;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
  font-feature-settings:"palt" 1;
}
:lang(en) body,body:lang(en){font-feature-settings:normal;line-height:1.7}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.mono{font-family:var(--mono);font-feature-settings:"tnum" 1}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{font-family:var(--mono);font-size:11.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--cyan);display:flex;align-items:center;gap:12px}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--grad);flex:none}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;left:-999px;top:0;z-index:100;background:var(--cyan);color:var(--cyan-ink);padding:10px 16px;border-radius:0 0 8px 0;font-weight:600}
.skip:focus{left:0}
::selection{background:rgba(62,224,255,.28)}

/* ---------- nav ---------- */
nav{position:fixed;top:0;left:0;right:0;z-index:60;backdrop-filter:blur(14px);background:rgba(7,11,20,.82);border-bottom:1px solid var(--line)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:18px}
.brand{display:flex;align-items:center;gap:11px;flex:none;font-family:var(--disp)}
.brand .bt{font-weight:700;font-size:14px;letter-spacing:.03em}
.navlinks{display:flex;gap:26px;font-size:13.5px;color:var(--muted);margin-left:auto;font-weight:500}
.navlinks a{transition:.18s;position:relative;padding:4px 0}
.navlinks a:hover{color:var(--ink)}
.navlinks a[aria-current="page"]{color:var(--ink)}
.navlinks a[aria-current="page"]::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--grad);border-radius:2px}
.navright{display:flex;align-items:center;gap:14px;flex:none}
.lang{display:flex;border:1px solid var(--line-hi);border-radius:6px;overflow:hidden;font-family:var(--mono);font-size:11px}
.lang a{color:var(--muted);padding:7px 11px;letter-spacing:.06em;transition:.18s}
.lang a.on{background:var(--grad);color:var(--cyan-ink);font-weight:700}
.lang a:not(.on):hover{color:var(--ink)}
.navcta{font-size:12.5px;font-weight:700;background:var(--grad);color:var(--cyan-ink);padding:9px 16px;border-radius:7px;transition:.2s;white-space:normal}
.navcta:hover{box-shadow:0 0 22px rgba(62,224,255,.4);transform:translateY(-1px)}
.burger{display:none;background:none;border:1px solid var(--line-hi);border-radius:6px;width:38px;height:34px;cursor:pointer;color:var(--ink);align-items:center;justify-content:center}
.burger span{display:block;width:16px;height:2px;background:var(--ink);position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--ink)}
.burger span::before{top:-5px}.burger span::after{top:5px}

/* ---------- buttons ---------- */
.btn{font-size:14px;font-weight:700;padding:14px 24px;border-radius:9px;transition:.2s;display:inline-flex;align-items:center;gap:9px;cursor:pointer;border:none;line-height:1;letter-spacing:.01em}
.btn-primary{background:var(--grad);color:var(--cyan-ink)}
.btn-primary:hover{box-shadow:0 4px 30px rgba(62,224,255,.42);transform:translateY(-2px)}
.btn-ghost{border:1px solid var(--line-hi);color:var(--ink);background:rgba(13,20,37,.5)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.herobtns{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- sections ---------- */
main{padding-top:64px}
section{padding:104px 0;position:relative}
section.band{background:linear-gradient(180deg,var(--bg-2),var(--bg));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sechead{max-width:760px;margin-bottom:52px}
h1,h2,h3,h4{font-family:var(--disp);font-feature-settings:"palt" 1}
.sechead h2{font-size:clamp(26px,3.6vw,42px);font-weight:700;letter-spacing:-.03em;line-height:1.28;margin:18px 0 16px}
.sechead p{color:var(--muted)}
.lead{font-size:clamp(15px,1.6vw,17.5px);color:var(--muted);max-width:660px}
.kicker{margin-top:56px;border-left:3px solid;border-image:var(--grad) 1;padding:6px 0 6px 22px;font-size:clamp(15px,1.8vw,18px);font-weight:700;font-family:var(--disp);letter-spacing:-.01em}

/* page hero (interior pages) */
.phero{padding:128px 0 68px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.phero::before{content:"";position:absolute;top:-260px;right:-160px;width:640px;height:640px;border-radius:50%;background:radial-gradient(circle,rgba(77,127,255,.14),transparent 65%);pointer-events:none}
.phero h1{font-size:clamp(30px,4.6vw,54px);line-height:1.22;font-weight:700;letter-spacing:-.03em;margin:22px 0 22px;max-width:920px}
.phero .lead{max-width:700px}
.phero .herobtns{margin-top:34px}

/* home hero */
header.home{position:relative;padding:158px 0 96px;border-bottom:1px solid var(--line);overflow:hidden}
header.home::before{content:"";position:absolute;top:-340px;left:50%;transform:translateX(-50%);width:1100px;height:760px;background:radial-gradient(ellipse at center,rgba(77,127,255,.16),transparent 62%);pointer-events:none}
header.home #grid{position:absolute;inset:0;z-index:0;opacity:.55}
.home .hero-inner{position:relative;z-index:2;max-width:880px}
.home h1{font-size:clamp(38px,6.4vw,84px);line-height:1.16;font-weight:900;letter-spacing:-.04em;margin:26px 0 26px;font-family:var(--disp)}
:lang(ja) .home h1{font-weight:900}
/* signature: camera-focus frame around the word 動画 / video */
.vframe{position:relative;display:inline-block;padding:.02em .14em;margin:0 .04em}
.vframe::before,.vframe::after{content:"";position:absolute;width:.42em;height:.42em;pointer-events:none}
.vframe::before{top:-.06em;left:-.06em;border-top:3px solid var(--cyan);border-left:3px solid var(--cyan)}
.vframe::after{bottom:-.06em;right:-.06em;border-bottom:3px solid var(--cyan);border-right:3px solid var(--cyan)}
.home .lead{font-size:clamp(16px,1.8vw,19px);margin-bottom:44px}

/* media / video frames */
.mediablock{margin-top:60px;position:relative;z-index:2}
.videoframe{position:relative;border:1px solid var(--line-hi);border-radius:14px;overflow:hidden;background:#050810;aspect-ratio:16/8;box-shadow:0 24px 80px rgba(0,0,0,.5),0 0 0 1px rgba(62,224,255,.05)}
.videoframe iframe,.videoframe video{position:absolute;inset:0;width:100%;height:100%;border:0;object-fit:cover}
.videoframe .hud{position:absolute;inset:0;pointer-events:none}
.videoframe .tag-tl{position:absolute;top:14px;left:16px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--muted);background:rgba(5,8,16,.72);padding:5px 10px;border-radius:6px}
.videoframe .tag-tl b{color:var(--cyan)}
.videoframe .tag-tr{position:absolute;top:14px;right:16px;font-family:var(--mono);font-size:11px;color:var(--muted);background:rgba(5,8,16,.72);padding:5px 10px;border-radius:6px}
.videoframe .tag-br{position:absolute;bottom:12px;right:16px;font-family:var(--mono);font-size:11px;color:var(--dim);background:rgba(5,8,16,.72);padding:5px 10px;border-radius:6px}
@keyframes blink{50%{opacity:.25}}
.ph-note{margin-top:14px;font-family:var(--mono);font-size:11.5px;color:var(--dim);letter-spacing:.03em;text-align:center}
.ph-note a{color:var(--cyan)}
.video-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.video-grid.three{grid-template-columns:repeat(3,1fr)}
.video-card-foot{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);padding:12px 4px 0;font-family:var(--mono)}
.video-tag{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;padding:3px 9px;border-radius:20px;flex:none}
.video-tag.sim{color:var(--cyan);background:rgba(62,224,255,.1);border:1px solid rgba(62,224,255,.28)}
.video-tag.real{color:var(--amber);background:rgba(255,180,84,.1);border:1px solid rgba(255,180,84,.3)}

/* big stat row */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:52px}
.stat{border:1px solid var(--line);border-radius:14px;background:linear-gradient(160deg,var(--panel-2),var(--panel));padding:30px 30px 26px;position:relative;overflow:hidden}
.stat::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad);opacity:.85}
.stat .v{font-family:var(--disp);font-weight:700;font-size:clamp(28px,3.2vw,42px);letter-spacing:-.03em;line-height:1.1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;white-space:normal}
.stat .v small{font-size:.52em;font-weight:700}
.stat .l{font-size:13.5px;color:var(--ink);font-weight:600;margin-top:12px}
.stat .d{font-size:12.5px;color:var(--muted);margin-top:4px;line-height:1.65}

/* numbered problem / feature cards */
.ncards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ncards.two{grid-template-columns:repeat(2,1fr)}
.nc{border:1px solid var(--line);border-radius:14px;background:var(--panel);padding:30px 28px;transition:.22s}
.nc:hover{transform:translateY(-3px);border-color:var(--line-hi)}
.nc .n{font-family:var(--mono);font-size:12px;color:var(--cyan);letter-spacing:.14em}
.nc h3{font-size:17px;margin:16px 0 10px;font-weight:700;letter-spacing:-.015em;line-height:1.5}
.nc p{font-size:13.5px;color:var(--muted)}

/* product cards (with stage label) */
.prods{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.prod{border:1px solid var(--line);border-radius:16px;background:linear-gradient(170deg,var(--panel-2),var(--panel) 55%);padding:34px 30px 30px;position:relative;overflow:hidden;display:flex;flex-direction:column;transition:.22s}
.prod::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad)}
.prod:hover{transform:translateY(-4px);border-color:var(--line-hi);box-shadow:0 20px 50px rgba(0,0,0,.35)}
.prod .stage{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan)}
.prod h3{font-size:22px;font-weight:700;letter-spacing:-.02em;margin:16px 0 4px}
.prod .sub{font-size:13px;color:var(--ink);font-weight:600;margin-bottom:12px}
.prod p{font-size:13.5px;color:var(--muted);flex:1}
.prod a.more{margin-top:20px;font-family:var(--mono);font-size:12.5px;color:var(--cyan);letter-spacing:.04em}
.prod a.more:hover{text-decoration:underline}

/* simple list cards */
.listcards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.lc{border:1px solid var(--line);border-radius:12px;background:var(--panel);padding:22px 24px;display:flex;gap:14px}
.lc .b{font-family:var(--mono);color:var(--cyan);flex:none}
.lc p{font-size:13.5px;color:var(--muted)}
.lc p b{color:var(--ink)}

/* flow (input → engine → output) */
.flow{display:grid;grid-template-columns:1fr auto 1.3fr auto 1fr;gap:18px;align-items:stretch}
.flow .fb{border:1px solid var(--line);border-radius:14px;background:var(--panel);padding:26px 24px}
.flow .fb.core{border:1px solid transparent;background:linear-gradient(var(--panel-2),var(--panel-2)) padding-box,var(--grad) border-box;box-shadow:0 0 44px rgba(62,224,255,.08)}
.flow .fb h4{font-size:14.5px;font-weight:700;margin-bottom:14px;letter-spacing:-.01em}
.flow .fb.core h4{color:var(--cyan)}
.flow .fb ul{list-style:none}
.flow .fb li{font-size:12.8px;color:var(--muted);padding:6px 0;border-top:1px solid var(--line);line-height:1.6}
.flow .fb li:first-child{border-top:none}
.flow .fb li .step{font-family:var(--mono);color:var(--cyan);margin-right:8px;font-size:11.5px}
.flow .arr{display:flex;align-items:center;color:var(--cyan);font-family:var(--mono);font-size:22px}

/* lineage filmstrip */
.lineage-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.lineage-cell{position:relative;aspect-ratio:3/4;background:var(--panel-2);overflow:hidden}
.lineage-cell img{width:100%;height:100%;object-fit:cover;object-position:center 15%;display:block}
.lineage-cell .tag{position:absolute;left:12px;bottom:11px;font-family:var(--mono);font-size:11px;color:#fff;letter-spacing:.04em;text-shadow:0 1px 5px rgba(0,0,0,.85);display:flex;gap:7px;align-items:center}
.lineage-cell .tag .num{color:var(--cyan)}

/* benchmark bars */
.bench{display:grid;gap:20px;margin-top:44px;max-width:860px}
.brow{display:grid;grid-template-columns:250px 1fr 120px;gap:24px;align-items:center}
.brow .who{font-size:14px;color:var(--muted);line-height:1.5}
.brow .who b{color:var(--ink);font-size:16px}
.brow .who small{display:block;font-family:var(--mono);font-size:11.5px;color:var(--dim);margin-top:2px}
.brow .bar{height:22px;border-radius:11px;background:var(--line);position:relative;overflow:hidden}
.brow .bar i{position:absolute;inset:0;right:auto;border-radius:11px;background:var(--line-hi)}
.brow.ours .bar i{background:var(--grad);box-shadow:0 0 16px rgba(62,224,255,.4)}
.brow .num{font-family:var(--disp);font-weight:700;font-size:26px;text-align:right;color:var(--muted);white-space:nowrap}
.brow.ours .num{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-size:32px}
/* checklist / twocol */
.twocol{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.twocol h2{font-family:var(--disp);font-size:clamp(24px,3.4vw,38px);font-weight:700;letter-spacing:-.03em;line-height:1.3;margin:16px 0 10px}
.checklist{list-style:none;margin-top:20px}
.checklist li{display:flex;gap:14px;padding:13px 0;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
.checklist li:first-child{border-top:none}
.checklist li .c{font-family:var(--mono);color:var(--cyan);flex:none;width:20px}
.checklist li b{color:var(--ink)}

/* notes */
.note{border:1px solid var(--amber-dim);background:rgba(255,180,84,.05);border-radius:12px;padding:20px 24px;font-size:13.5px;color:var(--muted)}
.note b{color:var(--amber)}
.note-cool{border:1px solid var(--line-hi);background:rgba(77,127,255,.05);border-radius:12px;padding:20px 24px;font-size:13.5px;color:var(--muted)}
.note-cool b{color:var(--cyan)}

/* audience cards */
.aud{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.aud .a{border:1px solid var(--line);border-radius:14px;background:var(--panel);padding:30px 28px;transition:.22s}
.aud .a:hover{transform:translateY(-3px);border-color:var(--line-hi)}
.aud .a h3{font-size:17.5px;font-weight:700;margin-bottom:10px;letter-spacing:-.015em}
.aud .a p{font-size:13.5px;color:var(--muted);margin-bottom:16px}
.aud .a a{font-family:var(--mono);font-size:12.5px;color:var(--cyan)}
.aud .a a:hover{text-decoration:underline}

/* comparison two-list (Accord) */
.versus{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.vbox{border:1px solid var(--line);border-radius:14px;background:var(--panel);padding:28px}
.vbox.win{border:1px solid transparent;background:linear-gradient(var(--panel-2),var(--panel-2)) padding-box,var(--grad) border-box}
.vbox h3{font-size:15.5px;font-weight:700;margin-bottom:14px}
.vbox.win h3{color:var(--cyan)}
.vbox ul{list-style:none}
.vbox li{font-size:13.5px;color:var(--muted);padding:8px 0;border-top:1px solid var(--line);display:flex;gap:11px}
.vbox li:first-child{border-top:none}
.vbox li::before{content:"×";font-family:var(--mono);color:var(--dim);flex:none}
.vbox.win li::before{content:"✓";color:var(--cyan)}

/* tables */
.tbl{width:100%;border-collapse:collapse;border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:14px}
.tbl th,.tbl td{text-align:left;padding:15px 18px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl thead th{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--dim);background:var(--panel-2)}
.tbl tbody tr:last-child td{border-bottom:none}
.tbl tbody tr{background:var(--panel)}
.tbl td .mono{color:var(--muted)}
.tbl .arrow{color:var(--cyan);font-family:var(--mono)}
.tbl .th-cell{color:var(--dim);font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;width:170px;background:var(--panel-2)}
.pill{font-family:var(--mono);font-size:11px;padding:4px 11px;border-radius:20px;white-space:nowrap;display:inline-block}
.pill.ok{color:var(--cyan);background:rgba(62,224,255,.09)}
.pill.mid{color:var(--amber);background:rgba(255,180,84,.09)}
.pill.dev{color:var(--muted);border:1px solid var(--line-hi)}

/* pipeline svg holder */
.pipe{border:1px solid var(--line);border-radius:14px;background:var(--panel);padding:30px;overflow-x:auto}
.pipe svg{min-width:560px;width:100%;height:auto;display:block}
.pipesteps{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:30px}
.pipesteps .st{border:1px solid var(--line);border-radius:12px;background:var(--panel);padding:22px}
.pipesteps .st .n{font-family:var(--mono);font-size:12px;color:var(--cyan)}
.pipesteps .st h4{font-size:15px;margin:8px 0 6px;font-weight:700}
.pipesteps .st p{font-size:13px;color:var(--muted)}

/* profile (about) */
.profile{display:grid;grid-template-columns:1fr;gap:26px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(170deg,var(--panel-2),var(--panel));padding:38px 36px}
.profile h3{font-size:24px;font-weight:700;letter-spacing:-.02em}
.profile .role{font-family:var(--mono);font-size:12px;color:var(--cyan);letter-spacing:.08em;margin:8px 0 18px}
.profile p{font-size:14px;color:var(--muted)}
.profile .ach{margin-top:22px;border-top:1px solid var(--line);padding-top:20px}
.profile .ach h4{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim);margin-bottom:12px}
.profile .ach li{list-style:none;display:flex;gap:12px;font-size:13.5px;color:var(--muted);padding:7px 0}
.profile .ach li::before{content:"›";font-family:var(--mono);color:var(--cyan);flex:none}

/* roadmap */
.roadmap{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.rm{border:1px solid var(--line);border-radius:14px;background:var(--panel);padding:26px 24px;position:relative}
.rm.now::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);border-radius:14px 14px 0 0}
.rm .ph{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);margin-bottom:12px}
.rm h3{font-size:15.5px;font-weight:700;margin-bottom:8px;line-height:1.5}
.rm p{font-size:12.8px;color:var(--muted)}

/* CTA band */
.ctaband{text-align:center;padding:120px 0;background:radial-gradient(ellipse 720px 420px at 50% 0%,rgba(77,127,255,.13),transparent),var(--bg);border-top:1px solid var(--line)}
.ctaband h2{font-family:var(--disp);font-size:clamp(28px,4.6vw,52px);font-weight:700;letter-spacing:-.035em;margin-bottom:18px;line-height:1.25}
.ctaband p{color:var(--muted);max-width:640px;margin:0 auto 34px}
.ctaband .mail{margin-top:26px;font-family:var(--mono);font-size:13px;color:var(--dim)}
.ctaband .mail a{color:var(--cyan)}

/* forms */
.form{max-width:640px;margin:0 auto}
.field{margin-bottom:22px}
.field label{display:block;font-size:13.5px;color:var(--ink);margin-bottom:8px;font-weight:600}
.field .hint{color:var(--dim);font-weight:400}
.field input[type=text],.field input[type=email],.field textarea,.field select{
  width:100%;background:var(--panel);border:1px solid var(--line-hi);border-radius:8px;
  color:var(--ink);font-family:var(--sans);font-size:14px;padding:13px 15px;transition:.18s}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--cyan);outline:none;box-shadow:0 0 0 3px rgba(62,224,255,.12)}
.field textarea{min-height:110px;resize:vertical}
.checks{display:flex;flex-wrap:wrap;gap:10px}
.checks label{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);border:1px solid var(--line);border-radius:8px;padding:9px 13px;cursor:pointer;font-weight:400;transition:.15s}
.checks input{accent-color:var(--cyan)}
.checks label:hover{border-color:var(--line-hi);color:var(--ink)}
.formstatus{margin-top:16px;font-size:14px;padding:12px 16px;border-radius:8px;display:none}
.formstatus.ok{display:block;color:var(--cyan);background:rgba(62,224,255,.07);border:1px solid rgba(62,224,255,.3)}
.formstatus.err{display:block;color:var(--amber);background:rgba(255,180,84,.07);border:1px solid var(--amber-dim)}

/* info split (contact) */
.split{display:grid;grid-template-columns:1.4fr 1fr;gap:52px;align-items:start}
.infobox{border:1px solid var(--line);border-radius:12px;background:var(--panel);padding:24px 26px;font-size:14px;color:var(--muted)}
.infobox h3{font-size:15px;color:var(--ink);margin-bottom:12px;font-weight:700}
.infobox ul{list-style:none}
.infobox li{padding:7px 0;border-top:1px solid var(--line)}
.infobox li:first-child{border-top:none}

/* prose */
.prose{max-width:740px}
.prose p{color:var(--muted);margin-bottom:18px}
.prose h3{font-size:18px;margin:32px 0 12px;font-weight:700}

/* footer */
footer{padding:60px 0 48px;color:var(--dim);font-size:13px;border-top:1px solid var(--line);background:var(--bg-2)}
footer .fgrid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:36px;margin-bottom:40px}
footer .fgrid h4{font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
footer .fgrid a{display:block;color:var(--dim);padding:5px 0;transition:.18s;font-size:13.5px}
footer .fgrid a:hover{color:var(--cyan)}
footer .fbottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;border-top:1px solid var(--line);padding-top:26px}
footer .fbrand{color:var(--muted)}

/* ---------- responsive ---------- */
@media(max-width:980px){
  .flow{grid-template-columns:1fr}
  .flow .arr{transform:rotate(90deg);justify-content:center;padding:2px 0}
  .roadmap{grid-template-columns:repeat(2,1fr)}
  .video-grid.three{grid-template-columns:1fr 1fr}
}
@media(max-width:880px){
  .navlinks{display:none;position:fixed;top:64px;left:0;right:0;background:var(--panel);flex-direction:column;gap:0;border-bottom:1px solid var(--line);padding:8px 0;margin:0;z-index:60}
  .navlinks.open{display:flex}
  .navlinks a{padding:14px 28px}
  .burger{display:inline-flex}
  .navcta{display:none}
  .twocol,.split,.versus{grid-template-columns:1fr;gap:34px}
  .stats,.ncards,.prods{grid-template-columns:1fr}
  .lineage-row{grid-template-columns:repeat(2,1fr)}
  .video-grid,.video-grid.three{grid-template-columns:1fr}
  .aud{grid-template-columns:1fr}
  .listcards{grid-template-columns:1fr}
  .pipesteps{grid-template-columns:1fr}
  .brow{grid-template-columns:1fr;gap:8px}
  .brow .num{text-align:left}
  .roadmap{grid-template-columns:1fr}
  section{padding:76px 0}
  footer .fgrid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* mid-width nav squeeze */
@media(max-width:1120px) and (min-width:881px){
  .navlinks{gap:16px;font-size:12.5px}
  .navcta{padding:8px 12px;font-size:12px}
}
section[id]{scroll-margin-top:76px}