/* ============================================================
   TetraSEA — design system
   Light/dark via [data-theme], brand: #0288D1 / #00B4D8
   ============================================================ */
:root{
  --blue:#0288D1; --cyan:#00B4D8;
  --grad:linear-gradient(120deg,#0288D1,#00B4D8);
  --bg:#ffffff; --surface:#f8fafc; --card:#ffffff;
  --ink:#0f172a; --mut:#64748b; --border:#e2e8f0;
  --shadow:0 1px 2px rgb(15 23 42/.05),0 8px 24px -12px rgb(15 23 42/.12);
  --shadow-lg:0 12px 40px -8px rgb(2 136 209/.25);
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --radius:14px;
}
[data-theme="dark"]{
  --bg:#0b1120; --surface:#0e1626; --card:#101a2e;
  --ink:#e6edf6; --mut:#8b9bb4; --border:#1e2c44;
  --shadow:0 1px 2px rgb(0 0 0/.4),0 10px 30px -12px rgb(0 0 0/.55);
}
/* Panels that are always "deck dark" (hero, footer, console, terminal, palette) */
:root{
  --deck-bg:#050d18; --deck-bg2:#0a1a2f; --deck-ink:#dcecf7;
  --deck-mut:#7e93ab; --deck-border:#12314a; --deck-glow:0 0 24px rgb(0 180 216/.35);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font:400 1rem/1.6 'Inter',system-ui,sans-serif;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;transition:background .3s,color .3s}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.18;letter-spacing:-.02em;color:var(--ink)}
h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:800}
.mono{font-family:var(--mono)}
.muted{color:var(--mut)}
.kbd,kbd{font-family:var(--mono);font-size:.72em;border:1px solid var(--border);border-bottom-width:2px;
  border-radius:5px;padding:.1em .45em;background:var(--surface)}
.ok{color:#22c55e}.center{text-align:center}
.linklike{background:none;border:0;color:var(--cyan);cursor:pointer;font:inherit;padding:0}
.linklike:hover{text-decoration:underline}
.skip{position:absolute;left:-9999px;top:0;z-index:200;background:var(--blue);color:#fff;padding:.55rem 1rem;border-radius:0 0 8px 0}
.skip:focus{left:0}

/* scroll progress */
#scrollbar{position:fixed;top:0;left:0;height:2.5px;width:0;background:var(--grad);z-index:120;
  box-shadow:0 0 12px rgb(0 180 216/.7)}

/* ---------- header ---------- */
#siteNav{position:fixed;inset:0 0 auto 0;z-index:100;
  background:color-mix(in srgb,var(--bg) 88%,transparent);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);transition:background .3s}
.nav-inner{max-width:80rem;margin:0 auto;padding:0 1.25rem;height:4.6rem;display:flex;align-items:center;gap:1.6rem}
.brand{display:flex;align-items:center;gap:.65rem;margin-right:auto}
.brand img{height:2.5rem;width:auto;object-fit:contain}
.brand-badge{font-family:var(--mono);font-size:.6rem;letter-spacing:.08em;color:var(--cyan);
  border:1px solid color-mix(in srgb,var(--cyan) 45%,transparent);border-radius:99px;padding:.18rem .5rem;
  animation:pulse 2.6s ease-in-out infinite}
@keyframes pulse{50%{opacity:.45}}
.nav-links{display:flex;gap:1.6rem}
.nav-links a{font-size:.86rem;font-weight:500;color:var(--ink);position:relative;padding:.3rem 0}
.nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:-2px;height:2px;background:var(--grad);transition:right .25s}
.nav-links a:hover::after,.nav-links a.spy-on::after{right:0}
.nav-links a:hover,.nav-links a.spy-on{text-decoration:none;color:var(--blue)}
.nav-actions{display:flex;align-items:center;gap:.5rem}
.icon-btn{display:inline-flex;align-items:center;gap:.35rem;background:none;border:1px solid transparent;
  color:var(--mut);border-radius:9px;padding:.45rem;cursor:pointer;transition:.2s}
.icon-btn:hover{color:var(--blue);border-color:var(--border);background:var(--surface)}
.icon-btn svg{width:1.15rem;height:1.15rem}
#themeBtn .ic-moon{display:none}
[data-theme="dark"] #themeBtn .ic-sun{display:none}
[data-theme="dark"] #themeBtn .ic-moon{display:block}
.nav-burger{display:none}
.mobile-menu{display:flex;flex-direction:column;padding:.6rem 1.25rem 1rem;border-bottom:1px solid var(--border);background:var(--bg)}
.mobile-menu a{padding:.7rem .2rem;font-weight:500;color:var(--ink);border-bottom:1px solid var(--border)}
.mobile-menu a:last-child{border:0;color:var(--blue)}
.mobile-menu[hidden]{display:none}

/* ---------- buttons & chips ---------- */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:600;font-size:.92rem;
  border-radius:10px;padding:.75rem 1.5rem;cursor:pointer;border:1px solid transparent;
  transition:transform .18s,box-shadow .25s,background .25s,color .25s,border-color .25s}
.btn:active{transform:translateY(1px) scale(.98)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow-lg)}
.btn-primary:hover{text-decoration:none;transform:translateY(-2px);box-shadow:0 18px 48px -10px rgb(0 120 200/.5)}
.btn-ghost{border-color:rgba(255,255,255,.3);color:#eaf6fd;background:rgba(255,255,255,.06);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.btn-ghost:hover{background:rgba(255,255,255,.14);text-decoration:none}
.btn-small{padding:.5rem 1rem;font-size:.84rem}
.btn-ic{width:1rem;height:1rem;flex:none}
.chip{font-size:.74rem;font-weight:600;letter-spacing:.03em;color:#c9e9f7;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.05);border-radius:99px;padding:.35rem .85rem}
.badge-pill{display:inline-flex;align-items:center;gap:.5rem;margin-top:1.4rem;padding:.6rem 1.15rem;
  border:1px solid var(--border);border-radius:99px;background:var(--card);box-shadow:var(--shadow);
  font-size:.85rem;font-weight:600;color:var(--ink);transition:.25s}
.badge-pill:hover{border-color:var(--blue);color:var(--blue);text-decoration:none;transform:translateY(-2px)}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:center;
  background:radial-gradient(130% 90% at 70% 8%,var(--deck-bg2),var(--deck-bg) 70%);
  overflow:hidden;color:var(--deck-ink);isolation:isolate}
#sea{position:absolute;inset:0;width:100%;height:100%;z-index:-1;opacity:.9}
.hero.no-webgl #sea{display:none}
.hero.no-webgl{background:
  radial-gradient(60% 50% at 70% 15%,rgb(0 180 216/.25),transparent 60%),
  radial-gradient(130% 90% at 70% 8%,var(--deck-bg2),var(--deck-bg) 70%)}
.hero-vignette{position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:linear-gradient(180deg,transparent 55%,rgb(5 13 24/.85) 96%)}
.hero-inner{max-width:64rem;margin:0 auto;padding:8rem 1.25rem 3rem;text-align:center}
.hero-kicker{font-family:var(--mono);font-size:.72rem;letter-spacing:.22em;color:var(--cyan);
  display:flex;align-items:center;justify-content:center;gap:.6rem;margin-bottom:1.4rem}
.dot{width:.5rem;height:.5rem;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px var(--cyan)}
.dot-live{animation:pulse 1.8s infinite}
.hero h1{color:#fff;font-size:clamp(2.3rem,5.4vw,3.9rem);font-weight:800;text-wrap:balance}
.hero .grad{background:linear-gradient(110deg,#4fc3f7,#00e5ff 60%,#80deea);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 18px rgb(0 180 216/.35))}
.hero-sub{max-width:46rem;margin:1.4rem auto 0;font-size:clamp(1rem,1.6vw,1.2rem);font-weight:300;color:#b8cfe0}
.hero-cta{display:flex;justify-content:center;gap:.9rem;margin-top:2.3rem;flex-wrap:wrap}
.hero-chips{display:flex;justify-content:center;gap:.6rem;margin-top:1.6rem;flex-wrap:wrap}
.hero-stats{display:flex;justify-content:center;gap:clamp(1.2rem,4vw,3rem);margin-top:3.2rem;flex-wrap:wrap}
.stat dt{font-family:var(--mono);font-size:.63rem;letter-spacing:.14em;text-transform:uppercase;color:var(--deck-mut);margin-bottom:.3rem}
.stat dd{font-size:1.7rem;font-weight:800;color:#fff;font-variant-numeric:tabular-nums}
.stat dd::after{content:"";display:block;height:2px;margin-top:.35rem;background:var(--grad);border-radius:2px;opacity:.7}
.hero-foot{position:absolute;left:0;right:0;bottom:0;display:flex;justify-content:space-between;
  padding:.9rem 1.4rem;font-size:.62rem;letter-spacing:.12em;color:var(--deck-mut);
  border-top:1px solid var(--deck-border);background:rgb(5 13 24/.55);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}

/* ---------- sections ---------- */
.section{padding:6rem 0}
.section-alt{background:var(--surface);border-block:1px solid var(--border)}
.wrap{max-width:80rem;margin:0 auto;padding:0 1.25rem}
.wrap-narrow{max-width:52rem}
.prose{color:var(--mut);font-size:1.05rem;font-weight:300;display:grid;gap:1.1rem;margin-top:1.4rem;line-height:1.75;text-align:left}
.kicker{display:block;font-family:var(--mono);font-size:.68rem;font-weight:700;letter-spacing:.22em;
  text-transform:uppercase;color:var(--blue);margin-bottom:.6rem}
.grid{display:grid;gap:1.4rem}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}

.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:1.8rem 1.5rem;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s,border-color .25s}
.card:hover{transform:translateY(-6px);border-color:color-mix(in srgb,var(--blue) 40%,var(--border));
  box-shadow:0 20px 44px -14px rgb(2 136 209/.28)}
.card h3{font-size:1.02rem;margin-bottom:.55rem}
.card p{font-size:.86rem;color:var(--mut);line-height:1.7}
.card-ic{width:3rem;height:3rem;border-radius:11px;display:grid;place-items:center;margin-bottom:1.2rem}
.card-ic svg{width:1.45rem;height:1.45rem}
.ic-blue{background:rgb(2 136 209/.1);color:var(--blue)}
.ic-cyan{background:rgb(0 180 216/.1);color:var(--cyan)}
[data-theme="dark"] .ic-blue{background:rgb(2 136 209/.18)}
[data-theme="dark"] .ic-cyan{background:rgb(0 180 216/.16)}

.grant-banner{display:flex;gap:1rem;align-items:flex-start;max-width:52rem;margin:3.5rem auto 0;
  padding:1.4rem 1.6rem;border-radius:var(--radius);font-size:.92rem;color:var(--mut);line-height:1.7;
  background:color-mix(in srgb,var(--blue) 6%,var(--card));
  border:1px solid color-mix(in srgb,var(--blue) 22%,var(--border));box-shadow:var(--shadow)}
.gb-ic{width:1.6rem;height:1.6rem;flex:none;color:var(--blue);margin-top:.15rem}

/* ---------- tabs ---------- */
.tabs{position:relative;display:flex;justify-content:center;gap:.4rem;flex-wrap:wrap;margin-bottom:2.8rem}
.tab{display:inline-flex;align-items:center;gap:.5rem;font-family:inherit;font-size:.86rem;font-weight:600;
  color:var(--mut);background:var(--card);border:1px solid var(--border);border-radius:99px;
  padding:.65rem 1.25rem;cursor:pointer;transition:.22s}
.tab:hover{color:var(--ink);border-color:color-mix(in srgb,var(--blue) 45%,var(--border))}
.tab.active{color:#fff;background:var(--grad);border-color:transparent;box-shadow:var(--shadow-lg)}
.panel[hidden]{display:none}
.panel{animation:panelIn .4s ease}
@keyframes panelIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.panel-head{margin:0 0 1.4rem;padding:0 .25rem}
.panel-head h3{font-size:1.15rem}
.panel-head p{font-size:.85rem;margin-top:.2rem}
.mini{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:1.4rem 1.35rem;box-shadow:var(--shadow);display:grid;gap:.5rem;transition:transform .25s,border-color .25s}
.mini:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--blue) 35%,var(--border))}
.mini span{font-family:var(--mono);font-size:.62rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--blue)}
.mini h4{font-size:.95rem}
.mini p{font-size:.83rem;color:var(--mut);line-height:1.7}

/* ---------- steps ---------- */
.steps{counter-reset:step}
.step{position:relative;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:2rem 1.6rem 1.7rem;box-shadow:var(--shadow)}
.step-n{font-size:.78rem;font-weight:700;color:var(--cyan);letter-spacing:.2em;display:block;margin-bottom:.8rem}
.step-n::before{content:"─── "}
.step h3{font-size:1.05rem;margin-bottom:.5rem}
.step p{font-size:.86rem;color:var(--mut);line-height:1.7}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:3.5rem;align-items:start}
.contact-list{list-style:none;display:grid;gap:1rem;margin-top:.4rem}
.contact-list li{display:flex;gap:1rem;align-items:baseline;font-size:.92rem}
.contact-list address{font-style:normal;color:var(--mut)}
.ci{flex:none;width:5.2rem;font-size:.62rem;letter-spacing:.12em;color:var(--cyan);
  border:1px solid color-mix(in srgb,var(--cyan) 35%,var(--border));border-radius:6px;padding:.2rem .4rem;text-align:center}
.cform{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:1.9rem 1.7rem;box-shadow:var(--shadow);display:grid;gap:1rem}
.ff{display:grid;gap:.35rem}
.ff label{font-size:.8rem;font-weight:600;color:var(--ink)}
.ff label em{font-weight:400;color:var(--mut);font-style:normal}
.ff input,.ff textarea{font:inherit;font-size:.9rem;color:var(--ink);background:var(--bg);
  border:1px solid var(--border);border-radius:9px;padding:.65rem .8rem;transition:border-color .2s,box-shadow .2s;resize:vertical}
.ff input:focus,.ff textarea:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px rgb(2 136 209/.18)}
.ff input.err,.ff textarea.err{border-color:#ef4444;box-shadow:0 0 0 3px rgb(239 68 68/.15)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.cform-status{font-size:.74rem;min-height:1.1em;color:var(--mut)}
.cform-status.ok{color:#22c55e}.cform-status.bad{color:#ef4444}

/* ---------- footer & HUD ---------- */
.footer{background:linear-gradient(180deg,var(--deck-bg2),var(--deck-bg));
  color:var(--deck-ink);border-top:1px solid var(--deck-border);padding:3.5rem 0 2rem}
.hud{border:1px solid var(--deck-border);border-radius:var(--radius);overflow:hidden;margin-bottom:3rem;
  background:rgb(10 26 47/.55);box-shadow:inset 0 0 40px rgb(0 180 216/.05)}
.hud-head{display:flex;align-items:center;gap:.6rem;font-size:.66rem;letter-spacing:.16em;color:#9fdcf0;
  padding:.7rem 1.1rem;border-bottom:1px solid var(--deck-border);background:rgb(5 13 24/.6)}
.hud-right{margin-left:auto;display:flex;align-items:center;gap:.7rem;color:var(--deck-mut)}
#hudRefresh{background:none;border:0;color:var(--cyan);cursor:pointer;font-size:.95rem;line-height:1;padding:.15rem .3rem;border-radius:6px}
#hudRefresh:hover{background:rgb(0 180 216/.12)}
.hud-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.hud-cell{padding:1rem 1.1rem;display:grid;gap:.3rem;border-right:1px solid var(--deck-border)}
.hud-cell:last-child{border-right:0}
.hl{font-size:.58rem;letter-spacing:.14em;color:var(--deck-mut)}
.hv{font-size:1.25rem;font-weight:700;color:#fff;font-variant-numeric:tabular-nums}
.hs{font-size:.6rem;color:var(--deck-mut)}
.hbar{height:3px;background:rgb(255 255 255/.08);border-radius:3px;overflow:hidden;margin-top:.25rem}
.hbar i{display:block;height:100%;width:0;background:var(--grad);border-radius:3px;transition:width .6s}
.foot-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:2.5rem;margin-bottom:2.5rem}
.foot-logo{height:3.6rem;width:auto;object-fit:contain;margin-bottom:1.1rem}
.foot-tag{font-size:.84rem;color:#9fb4c6;max-width:20rem;line-height:1.7}
.footer h4{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:#cfe8f4;margin-bottom:.9rem}
.footer address{font-style:normal;font-size:.85rem;color:#9fb4c6;line-height:1.75}
.foot-mail{font-size:.9rem;color:#9fb4c6}
.foot-mail:hover{color:#fff}
.foot-base{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  border-top:1px solid var(--deck-border);padding-top:1.4rem;font-size:.74rem;color:var(--deck-mut)}
.stack-line{font-size:.64rem;letter-spacing:.05em}

/* ---------- AI console ---------- */
#aiFab{position:fixed;right:1.3rem;bottom:1.3rem;z-index:110;width:3.6rem;height:3.6rem;border-radius:50%;
  border:0;cursor:pointer;color:#fff;background:var(--grad);box-shadow:0 10px 30px -6px rgb(0 140 220/.55);
  display:grid;place-items:center;transition:transform .2s}
#aiFab svg{width:1.5rem;height:1.5rem}
#aiFab:hover{transform:scale(1.08)}
#aiFab::after{content:"";position:absolute;inset:-4px;border-radius:50%;border:2px solid rgb(0 180 216/.45);
  animation:ring 2.4s ease-out infinite}
@keyframes ring{from{transform:scale(.85);opacity:1}to{transform:scale(1.35);opacity:0}}
.ai-panel{position:fixed;right:1.3rem;bottom:5.6rem;z-index:115;width:min(26rem,calc(100vw - 2rem));
  display:flex;flex-direction:column;border-radius:16px;overflow:hidden;
  background:rgb(8 20 36/.92);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid var(--deck-border);box-shadow:0 30px 80px -20px rgb(0 0 0/.7),var(--deck-glow);
  animation:panelIn .3s ease;color:var(--deck-ink)}
.ai-panel[hidden]{display:none}
.ai-head{display:flex;align-items:center;gap:.55rem;font-size:.68rem;letter-spacing:.14em;color:#9fdcf0;
  padding:.75rem 1rem;border-bottom:1px solid var(--deck-border)}
.ai-head .icon-btn{margin-left:auto;color:var(--deck-mut)}
.ai-mode{margin-left:.4rem;font-size:.56rem;padding:.12rem .45rem;border-radius:99px;
  border:1px solid rgb(0 180 216/.5);color:var(--cyan)}
.ai-mode.local{border-color:rgb(250 204 21/.5);color:#fbbf24}
.ai-msgs{padding:1rem;display:grid;gap:.6rem;max-height:19rem;overflow-y:auto;scrollbar-width:thin}
.msg{max-width:88%;padding:.6rem .8rem;border-radius:11px;font-size:.85rem;line-height:1.6;white-space:pre-wrap;word-break:break-word}
.msg.bot{background:rgb(0 180 216/.1);border:1px solid rgb(0 180 216/.22);border-top-left-radius:3px}
.msg.user{justify-self:end;background:rgb(2 136 209/.28);border:1px solid rgb(2 136 209/.45);border-top-right-radius:3px}
.msg.sys{font-size:.72rem;color:#fbbf24;background:rgb(251 191 36/.08);border:1px dashed rgb(251 191 36/.35)}
.msg .caret{display:inline-block;width:.5em;height:1em;background:var(--cyan);vertical-align:-.15em;animation:pulse .8s steps(2) infinite}
.ai-chips{display:flex;gap:.4rem;flex-wrap:wrap;padding:0 1rem .6rem}
.ai-chip{font-size:.68rem;font-weight:600;color:#bfe7f5;background:rgb(255 255 255/.05);
  border:1px solid var(--deck-border);border-radius:99px;padding:.35rem .7rem;cursor:pointer;transition:.2s}
.ai-chip:hover{border-color:var(--cyan);color:#fff}
.ai-form{display:flex;gap:.5rem;padding:.7rem 1rem;border-top:1px solid var(--deck-border)}
#aiInput{flex:1;font:inherit;font-size:.85rem;color:var(--deck-ink);background:rgb(255 255 255/.06);
  border:1px solid var(--deck-border);border-radius:9px;padding:.6rem .75rem}
#aiInput:focus{outline:0;border-color:var(--cyan);box-shadow:0 0 0 3px rgb(0 180 216/.18)}
.ai-send{border:0;border-radius:9px;background:var(--grad);color:#fff;padding:0 .95rem;cursor:pointer;font-size:.95rem}
.ai-send:disabled{opacity:.45;cursor:wait}
.ai-foot{font-size:.58rem;letter-spacing:.08em;color:var(--deck-mut);padding:.55rem 1rem;border-top:1px solid var(--deck-border);background:rgb(5 13 24/.5)}

/* ---------- terminal ---------- */
.term{position:fixed;left:50%;top:14vh;transform:translateX(-50%);z-index:130;width:min(42rem,calc(100vw - 2rem));
  border-radius:14px;overflow:hidden;background:rgb(4 10 18/.97);border:1px solid var(--deck-border);
  box-shadow:0 40px 100px -20px rgb(0 0 0/.8),var(--deck-glow);color:#b7f3d0;animation:panelIn .25s ease}
.term[hidden]{display:none}
.term-head{display:flex;justify-content:space-between;align-items:center;font-size:.66rem;letter-spacing:.1em;
  color:var(--deck-mut);padding:.6rem .9rem;border-bottom:1px solid var(--deck-border);background:rgb(10 26 47/.7)}
.term-head .icon-btn{color:var(--deck-mut)}
.term-out{height:18rem;overflow-y:auto;padding:.9rem 1rem;font-size:.8rem;line-height:1.65;white-space:pre-wrap;word-break:break-word;scrollbar-width:thin}
.term-out .c{color:var(--cyan)}.term-out .d{color:var(--deck-mut)}.term-out .w{color:#fbbf24}.term-out .b{color:#7dd3fc}
.term-form{display:flex;gap:.55rem;align-items:center;padding:.65rem 1rem;border-top:1px solid var(--deck-border);font-size:.8rem;color:#b7f3d0}
.term-form span{color:var(--cyan);flex:none}
.term-form input{flex:1;font:inherit;color:inherit;background:none;border:0;outline:0}

/* ---------- command palette ---------- */
.palette{position:fixed;inset:0;z-index:140;background:rgb(3 8 14/.6);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);padding:14vh 1rem 0}
.palette[hidden]{display:none}
.palette-box{max-width:36rem;margin:0 auto;border-radius:14px;overflow:hidden;
  background:rgb(8 20 36/.97);border:1px solid var(--deck-border);
  box-shadow:0 40px 100px -20px rgb(0 0 0/.8),var(--deck-glow);color:var(--deck-ink);animation:panelIn .2s ease}
.palette-in{display:flex;align-items:center;gap:.6rem;padding:.9rem 1.1rem;border-bottom:1px solid var(--deck-border);color:var(--cyan)}
.palette-in input{flex:1;font:inherit;font-size:.9rem;color:var(--deck-ink);background:none;border:0;outline:0}
.palette-list{list-style:none;max-height:18rem;overflow-y:auto;padding:.5rem}
.palette-list li{display:flex;align-items:center;gap:.7rem;padding:.6rem .7rem;border-radius:9px;font-size:.85rem;cursor:pointer;color:#c8dcea}
.palette-list li svg{width:1rem;height:1rem;color:var(--cyan);flex:none}
.palette-list li .tag{margin-left:auto;font-family:var(--mono);font-size:.58rem;letter-spacing:.1em;color:var(--deck-mut)}
.palette-list li[aria-selected="true"]{background:rgb(0 180 216/.14);color:#fff}
.palette-foot{font-size:.58rem;letter-spacing:.08em;color:var(--deck-mut);padding:.55rem 1.1rem;border-top:1px solid var(--deck-border)}

/* ---------- misc ---------- */
#toTop{position:fixed;left:1.3rem;bottom:1.3rem;z-index:105;width:2.7rem;height:2.7rem;border-radius:11px;
  border:1px solid var(--border);background:var(--card);color:var(--blue);cursor:pointer;font-size:1.05rem;
  box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:opacity .3s,transform .2s}
#toTop.show{opacity:1;pointer-events:auto}
#toTop:hover{transform:translateY(-3px);border-color:var(--blue)}
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.rv.on{opacity:1;transform:none}
.rv:nth-child(2){transition-delay:.08s}.rv:nth-child(3){transition-delay:.16s}.rv:nth-child(4){transition-delay:.24s}

/* ---------- responsive ---------- */
@media (max-width:1024px){.grid-4{grid-template-columns:repeat(2,1fr)}.hud-grid{grid-template-columns:repeat(2,1fr)}
  .hud-cell:nth-child(2){border-right:0}.hud-cell{border-top:1px solid var(--deck-border)}
  .hud-cell:nth-child(-n+2){border-top:0}}
@media (max-width:820px){
  .nav-links,.nav-cta,#paletteBtn kbd{display:none}.nav-burger{display:inline-flex}
  .contact-grid{grid-template-columns:1fr;gap:2.5rem}
  .foot-grid{grid-template-columns:1fr;gap:2rem}
  .hf-mid{display:none}
  .hero-inner{padding-top:7rem}
  .section{padding:4.5rem 0}}
@media (max-width:560px){.grid-4,.grid-3{grid-template-columns:1fr}.hero-stats{gap:1.4rem}.stat dd{font-size:1.3rem}}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .rv{opacity:1;transform:none}}
/* ---------- statement / pretext field ---------- */
#statement{position:relative;background:linear-gradient(180deg,var(--deck-bg2),var(--deck-bg));
  border-block:1px solid var(--deck-border);padding:6rem 1.25rem 4rem;overflow:hidden}
#ptx{display:block;margin:0 auto;width:min(76rem,100%);cursor:crosshair}
.stmt-fallback{display:none;text-align:center;font-size:clamp(2rem,6vw,4.5rem);font-weight:800;
  letter-spacing:-.02em;color:#fff}
.stmt-fallback em{font-style:normal;background:linear-gradient(110deg,#4fc3f7,#00e5ff);
  -webkit-background-clip:text;background-clip:text;color:transparent}
#statement.no-ptx #ptx{display:none}
#statement.no-ptx .stmt-fallback{display:block}
.stmt-note{text-align:center;margin-top:2.4rem;font-size:.62rem;letter-spacing:.14em;color:var(--deck-mut)}
.stmt-note a{color:var(--cyan);text-decoration:none}

/* ---------- FX pulse strip ---------- */
.fx{border-top:1px solid var(--deck-border);padding:.85rem 1.1rem;display:flex;flex-wrap:wrap;
  align-items:center;gap:.5rem 1.2rem;background:rgb(5 13 24/.45)}
.fx-head{font-size:.6rem;letter-spacing:.16em;color:#9fdcf0;display:flex;align-items:center;gap:.5rem}
.fx-body{display:flex;flex-wrap:wrap;gap:.45rem .9rem;margin-left:auto}
.fx-pair{font-size:.68rem;color:#cfe8f4;white-space:nowrap}
.fx-pair b{color:#fff;font-weight:700}
.fx-pair .up{color:#34d399}.fx-pair .dn{color:#f87171}.fx-pair.d{color:var(--deck-mut)}
.fx-src{width:100%;font-size:.54rem;letter-spacing:.12em;color:var(--deck-mut)}

/* ---------- AI panel GPU launcher ---------- */
.ai-gpu{display:flex;align-items:center;gap:.8rem;margin:.8rem 1rem 0;padding:.8rem .9rem;
  border:1px solid rgb(0 180 216/.35);border-radius:11px;background:rgb(0 180 216/.07)}
.ai-gpu[hidden]{display:none}
.ai-gpu-copy{flex:1;display:grid;gap:.15rem}
.ai-gpu-copy b{font-size:.76rem;color:#fff}
.ai-gpu-copy span{font-size:.64rem;color:var(--deck-mut);line-height:1.5}
.ai-gpu-btn{flex:none;font-size:.66rem;letter-spacing:.12em;color:#050d18;background:var(--grad);
  border:0;border-radius:8px;padding:.55rem .8rem;cursor:pointer;font-weight:700}
.ai-gpu-btn:hover{filter:brightness(1.12)}

/* ---------- GPU console overlay ---------- */
.gpu-overlay{position:fixed;inset:0;z-index:150;display:flex;flex-direction:column;background:#050609;
  animation:panelIn .3s ease}
.gpu-overlay[hidden]{display:none}
.gpu-bar{display:flex;align-items:center;gap:1rem;padding:.6rem 1.1rem;font-size:.64rem;
  letter-spacing:.12em;color:#9fdcf0;border-bottom:1px solid var(--deck-border);background:#07080c}
.gpu-bar .icon-btn{color:var(--deck-mut);margin-left:.2rem}
.gpu-state{display:inline-flex;align-items:center;gap:.4rem;margin-left:auto;font-size:.58rem;
  letter-spacing:.14em;color:var(--deck-mut);border:1px solid var(--deck-border);border-radius:99px;padding:.25rem .7rem}
.gpu-state i{width:.45rem;height:.45rem;border-radius:50%;background:#6b7280}
.gpu-state.load i{background:#fbbf24;animation:pulse 1.2s infinite}
.gpu-state.ready i{background:#34d399;box-shadow:0 0 8px #34d399}
.gpu-credit{color:var(--deck-mut);text-decoration:none;font-size:.58rem;letter-spacing:.1em}
.gpu-credit:hover{color:var(--cyan)}
/* gpu console: setup stage */
.gpu-setup{flex:1;overflow-y:auto;max-width:52rem;width:100%;margin:0 auto;padding:2.5rem 1.5rem;color:#c8dcea}
.gs-head h2{font-size:clamp(1.5rem,3.4vw,2.4rem);font-weight:200;color:#fff}
.gs-head h2 em{font-style:normal;font-weight:700;background:linear-gradient(110deg,#4fc3f7,#00e5ff);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.gs-head p{margin-top:.8rem;font-size:.92rem;line-height:1.7;color:#8fa9bd;font-weight:300}
.gs-probe{margin-top:1.6rem;font-size:.64rem;letter-spacing:.08em;color:var(--cyan);
  border:1px solid var(--deck-border);border-radius:8px;padding:.55rem .8rem;background:rgb(0 180 216/.05)}
.gs-tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:.7rem;margin-top:1.1rem}
.tier{display:grid;gap:.3rem;text-align:left;padding:.9rem .95rem;cursor:pointer;
  background:rgb(255 255 255/.04);border:1px solid var(--deck-border);border-radius:11px;color:#c8dcea;
  font:inherit;transition:.2s}
.tier:hover{border-color:rgb(0 180 216/.5)}
.tier.sel{border-color:var(--cyan);background:rgb(0 180 216/.1);box-shadow:0 0 0 1px var(--cyan)}
.tier.off{opacity:.45;cursor:not-allowed}
.t-tag{font-size:.56rem;letter-spacing:.16em;color:var(--cyan)}
.tier.sel .t-tag{color:#8ef0ff}
.t-name{font-weight:700;font-size:.86rem;color:#fff}
.t-note{font-size:.66rem;color:var(--deck-mut);line-height:1.5}
.gs-row{display:flex;align-items:center;gap:1rem;margin-top:1.2rem;flex-wrap:wrap}
.gs-check{display:flex;align-items:center;gap:.5rem;font-size:.8rem;color:#c8dcea;cursor:pointer}
.gs-check input{accent-color:var(--cyan)}
.gs-searx{flex:1;display:flex;gap:.5rem;align-items:center;min-width:16rem}
.gs-searx input{flex:1;font:inherit;font-size:.8rem;color:#e6f2fa;background:rgb(255 255 255/.05);
  border:1px solid var(--deck-border);border-radius:8px;padding:.55rem .75rem}
.gs-searx input:focus{outline:0;border-color:var(--cyan)}
.gs-searx button{font-size:.62rem;letter-spacing:.1em;color:var(--cyan);background:none;
  border:1px solid var(--deck-border);border-radius:8px;padding:.5rem .7rem;cursor:pointer}
.gs-searx span{font-size:.62rem;color:var(--deck-mut)}
.gs-load{margin-top:1.4rem;padding:.85rem 1.6rem;font-size:.78rem}
.gs-prog{margin-top:1rem}
.gs-progbar{height:3px;border-radius:3px;background:rgb(255 255 255/.1);overflow:hidden}
.gs-progbar i{display:block;height:100%;width:0;background:linear-gradient(90deg,#0288D1,#00e5ff);transition:width .3s}
#gpuProgTxt{margin-top:.5rem;font-size:.64rem;color:var(--deck-mut);letter-spacing:.06em}
.gs-legal{margin-top:1.2rem;font-size:.63rem;color:#5d6c7d;line-height:1.6}
/* gpu console: chat stage */
.gpu-chat{flex:1;display:flex;flex-direction:column;min-height:0}
.gpu-msgs{flex:1;overflow-y:auto;padding:1.6rem clamp(1rem,4vw,3rem);display:grid;gap:.9rem;
  align-content:start;scrollbar-width:thin}
.gpu-msgs .msg{max-width:min(42rem,92%)}
.gpu-msgs .msg.stream::after{content:"▍";color:var(--cyan);animation:pulse 1s steps(2) infinite}
.cite{display:inline-block;font-family:var(--mono);font-size:.68em;color:var(--cyan);
  border:1px solid rgb(0 180 216/.4);border-radius:5px;padding:0 .3em;margin:0 .1em;text-decoration:none;vertical-align:super}
.cite:hover{background:rgb(0 180 216/.15)}
.src-row{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.5rem}
.chip-src{font-family:var(--mono);font-size:.6rem;color:var(--deck-mut);text-decoration:none;
  border:1px solid var(--deck-border);border-radius:99px;padding:.15rem .55rem}
.chip-src:hover{color:#fff;border-color:var(--cyan)}
.gpu-form{display:flex;gap:.5rem;padding:.8rem clamp(1rem,4vw,3rem);border-top:1px solid var(--deck-border)}
.gpu-form input{flex:1;font:inherit;font-size:.9rem;color:var(--deck-ink);background:rgb(255 255 255/.06);
  border:1px solid var(--deck-border);border-radius:9px;padding:.7rem .9rem}
.gpu-form input:focus{outline:0;border-color:var(--cyan);box-shadow:0 0 0 3px rgb(0 180 216/.15)}
.gpu-form button{border:0;border-radius:9px;padding:0 1rem;cursor:pointer;font-size:1rem}
.gs-send{background:var(--grad);color:#fff}
.gs-send:disabled{opacity:.45}
#gpuStop{background:rgb(239 68 68/.15);color:#f87171;border:1px solid rgb(239 68 68/.4)}
#gpuStop[hidden]{display:none}
.gpu-foot{font-size:.58rem;letter-spacing:.08em;color:var(--deck-mut);padding:.5rem clamp(1rem,4vw,3rem) .8rem}
@media (max-width:820px){.gpu-credit{display:none}.gpu-bar{font-size:.56rem;gap:.6rem}
  .gs-tiers{grid-template-columns:1fr}.gpu-setup{padding:1.6rem 1rem}}

@media print{.hero,#aiFab,.ai-panel,.gpu-overlay,.term,.palette,#toTop,#scrollbar,.hud,.fx{display:none!important}}