/* ModelShift v2: dark, technical, OpenRouter-inspired */
:root{
  --bg:#070908;--bg-2:#0a0d0b;--surface:#0e1210;--surface-2:#131815;
  --line:rgba(255,255,255,.08);--line-2:rgba(255,255,255,.14);
  --text:#eef2ee;--muted:#9ba59d;--dim:#69736b;
  --accent:#b6f27e;--accent-2:#9fe264;--accent-ink:#0b1406;--accent-soft:rgba(182,242,126,.1);
  --violet:#a99cff;--violet-soft:rgba(169,156,255,.12);
  --sans:"Geist","Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"SF Mono","Geist Mono","JetBrains Mono","Cascadia Code","Roboto Mono",Menlo,Consolas,monospace;
  --r:14px;--wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 var(--sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}
img,svg,canvas{display:block;max-width:100%}
a{color:inherit}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;font-weight:640;letter-spacing:-.025em;line-height:1.15}
ul,ol{margin:0;padding:0}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.visually-hidden,.hp{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0 0 0 0)!important;white-space:nowrap;border:0!important}
.skip-link{position:absolute;left:12px;top:-60px;z-index:100;background:var(--accent);color:var(--accent-ink);padding:10px 14px;border-radius:8px;font-weight:600;text-decoration:none}
.skip-link:focus{top:12px}
.mono{font-family:var(--mono);font-size:12.5px;letter-spacing:.01em}
.dim{color:var(--dim)}.muted{color:var(--muted)}.small{font-size:14px}
.g{color:var(--accent)}.v{color:var(--violet)}.accent{color:var(--accent)}
.kicker{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin:0 0 18px}
.kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}
.h-hero{font-size:clamp(38px,5.1vw,66px);line-height:1.02;letter-spacing:-.045em;font-weight:680}
.h-section{font-size:clamp(30px,3.6vw,46px);line-height:1.08;letter-spacing:-.035em;font-weight:650;max-width:22ch;text-wrap:balance}
.lede{font-size:clamp(17px,1.4vw,19px);color:var(--muted);max-width:56ch;margin-top:22px}
.section{padding:112px 0}
.line-top{border-top:1px solid var(--line)}
.section-head{margin-bottom:52px;max-width:760px}
.section-head .muted{margin-top:18px;font-size:17px;max-width:60ch}
.note{font-size:13px;color:var(--dim);margin:18px 0 0;max-width:90ch}

/* reveal */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in,.no-js .reveal{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 20px;border-radius:10px;border:1px solid transparent;font-size:15px;font-weight:600;text-decoration:none;cursor:pointer;white-space:nowrap;transition:background .2s,border-color .2s,transform .2s,box-shadow .2s}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:var(--accent-ink);box-shadow:0 0 0 0 rgba(182,242,126,0)}
.btn-primary:hover{background:#c7f799;box-shadow:0 0 24px rgba(182,242,126,.25)}
.btn-ghost{background:rgba(255,255,255,.03);border-color:var(--line-2);color:var(--text)}
.btn-ghost:hover{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.24)}
.btn-sm{height:36px;padding:0 14px;font-size:14px;border-radius:9px}
.btn[disabled]{opacity:.6;cursor:progress}
.linklike{background:none;border:0;padding:0;cursor:pointer;color:var(--muted);font-size:14px}
.linklike:hover{color:var(--text)}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(7,9,8,.6);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid transparent;transition:border-color .2s,background .2s}
.site-header.is-scrolled{border-bottom-color:var(--line);background:rgba(7,9,8,.82)}
.nav{display:flex;align-items:center;gap:28px;height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex:none}
.brand-mark{width:30px;height:30px;flex:none}
.brand-mark rect{fill:var(--accent)}
.brand-mark path{fill:none;stroke:var(--accent-ink);stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.brand-word{font-size:21px;font-weight:650;letter-spacing:-.04em;line-height:1}
.brand-word span{color:var(--accent)}
.nav nav{flex:1}
.nav-links{list-style:none;display:flex;gap:4px}
.nav-links a{display:block;padding:8px 12px;border-radius:8px;color:var(--muted);font-size:14.5px;text-decoration:none;transition:color .2s,background .2s}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav-cta{display:flex;align-items:center;gap:10px}
.menu-toggle{display:none;width:40px;height:40px;border-radius:9px;border:1px solid var(--line-2);background:rgba(255,255,255,.03);cursor:pointer;position:relative}
.menu-toggle span,.menu-toggle span::before,.menu-toggle span::after{position:absolute;left:11px;width:16px;height:1.6px;background:var(--text);border-radius:2px;transition:transform .2s,opacity .2s}
.menu-toggle span{top:19px}
.menu-toggle span::before,.menu-toggle span::after{content:"";left:0}
.menu-toggle span::before{top:-5px}.menu-toggle span::after{top:5px}
.menu-open .menu-toggle span{background:transparent}
.menu-open .menu-toggle span::before{transform:translateY(5px) rotate(45deg)}
.menu-open .menu-toggle span::after{transform:translateY(-5px) rotate(-45deg)}
.mobile-menu{display:none}
.mobile-menu ul{list-style:none;padding:8px 24px 20px}
.mobile-menu a{display:block;padding:12px 0;border-bottom:1px solid var(--line);text-decoration:none;font-size:17px}
.menu-open .mobile-menu{display:block}

/* hero */
.hero{position:relative;padding:72px 0 28px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);background-size:24px 24px;-webkit-mask-image:radial-gradient(ellipse 70% 70% at 70% 45%,#000 20%,transparent 75%);mask-image:radial-gradient(ellipse 70% 70% at 70% 45%,#000 20%,transparent 75%);pointer-events:none}
.hero::after{content:"";position:absolute;width:900px;height:900px;right:-240px;top:-260px;background:radial-gradient(circle,rgba(182,242,126,.09),transparent 60%);pointer-events:none}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);gap:24px;align-items:center;min-height:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero-stats{display:flex;flex-wrap:wrap;gap:16px 40px;margin:44px 0 0}
.hero-stats div{min-width:120px}
.hero-stats dt{font-size:26px;font-weight:650;letter-spacing:-.03em}
.hero-stats dd{margin:2px 0 0;color:var(--dim);font-size:13.5px}
.hero-viz{position:relative;height:600px;margin-right:-40px}
.hero-viz canvas{width:100%;height:100%}
.live{position:absolute;left:50%;bottom:6px;transform:translateX(-50%);display:flex;align-items:center;gap:14px;white-space:nowrap;padding:8px 14px;border:1px solid var(--line);border-radius:999px;background:rgba(10,13,11,.75);backdrop-filter:blur(8px);font-family:var(--mono);font-size:12px;color:var(--muted)}
.live output{color:var(--text);font-weight:600}
.live .g output{color:var(--accent)}.live .v output{color:var(--violet)}
.live-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 0 rgba(182,242,126,.6);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(182,242,126,.55)}70%{box-shadow:0 0 0 8px rgba(182,242,126,0)}100%{box-shadow:0 0 0 0 rgba(182,242,126,0)}}
.hero-note{position:relative;z-index:1;font-size:12.5px;color:var(--dim);margin-top:8px}

/* marquee */
.stack-band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;background:var(--bg-2)}
.stack-band-label{text-align:center;font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);margin:0 0 14px}
.marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.marquee-track{display:flex;gap:44px;width:max-content;animation:marquee 48s linear infinite}
.marquee-track span{font-family:var(--mono);font-size:14px;color:var(--muted);white-space:nowrap}
@keyframes marquee{to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.marquee-track{animation:none;flex-wrap:wrap;justify-content:center;width:auto}.marquee-track span[aria-hidden]{display:none}}

/* panels + cards */
.panel{background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.012));border:1px solid var(--line);border-radius:18px;padding:28px}
.panel-head{display:flex;justify-content:space-between;align-items:center;font-size:14px;font-weight:600;margin-bottom:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:26px;transition:border-color .25s,transform .25s}
.card:hover{border-color:var(--line-2)}
.card h3{font-size:18px;margin:14px 0 8px}
.card p{color:var(--muted);font-size:15px;margin:0}
.ico{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:10px;background:var(--accent-soft);border:1px solid rgba(182,242,126,.18)}
.ico svg{width:20px;height:20px;fill:none;stroke:var(--accent);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.cards-3{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cards-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.tag{display:inline-block;font-family:var(--mono);font-size:11.5px;padding:4px 9px;border-radius:6px;border:1px solid var(--line-2);color:var(--muted)}
.tag-accent{color:var(--accent);border-color:rgba(182,242,126,.35);background:var(--accent-soft)}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.chips span{font-family:var(--mono);font-size:11.5px;padding:4px 9px;border-radius:6px;background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--muted)}
.sw{display:inline-block;width:10px;height:10px;border-radius:3px;flex:none}
.sw.g{background:var(--accent)}.sw.v{background:var(--violet)}

/* problem */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;margin-bottom:56px}
.waffle-panel{margin:0;width:100%;max-width:480px;justify-self:end}
.waffle{display:grid;grid-template-columns:repeat(10,1fr);gap:6px}
.waffle i{aspect-ratio:1;border-radius:4px;background:rgba(255,255,255,.05);transition:background .35s ease,box-shadow .35s ease;transition-delay:calc(var(--i) * 9ms)}
.waffle.on i.r{background:var(--accent);box-shadow:0 0 10px rgba(182,242,126,.18)}
.waffle.on i.h{background:var(--violet);box-shadow:0 0 10px rgba(169,156,255,.25)}
.waffle-legend{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:20px}
.waffle-legend div{display:grid;grid-template-columns:auto 1fr;gap:2px 10px;align-items:center;font-size:14px}
.waffle-legend span{grid-column:2;color:var(--dim);font-size:13px}

/* steps */
.steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;position:relative}
.step{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:26px 24px 24px;display:flex;flex-direction:column}
.step::before{content:"";position:absolute;left:24px;right:24px;top:-1px;height:2px;border-radius:2px;background:var(--line-2)}
.step.is-first{border-color:rgba(182,242,126,.35);background:linear-gradient(180deg,rgba(182,242,126,.07),var(--surface) 55%)}
.step.is-first::before{background:var(--accent)}
.step-num{font-family:var(--mono);font-size:12px;color:var(--dim);text-transform:uppercase;letter-spacing:.1em}
.step.is-first .step-num{color:var(--accent)}
.step h3{font-size:19px;margin:12px 0 10px}
.step p{color:var(--muted);font-size:14.5px;flex:1}
.step .tag{align-self:flex-start;margin-top:8px}

/* router */
.router-big{padding:22px 22px 24px}
.router-big-stage{position:relative;height:340px}
.router-big-stage canvas{position:absolute;inset:0;width:100%;height:100%}
.node-label{position:absolute;transform:translateY(-50%);display:flex;flex-direction:column;font-size:14px;line-height:1.3;pointer-events:none}
.node-label b{font-weight:600}
.node-label span{font-family:var(--mono);font-size:11.5px;color:var(--dim)}
.node-label.r{text-align:right}
.nl-app{left:0;top:64%}.nl-front{right:0;top:13%}.nl-small{right:0;top:64%}
.gate-tag{top:80%}.gate-tag span{display:block}
.node-label.g b{color:var(--accent)}.node-label.v b{color:var(--violet)}
.gate-tag{position:absolute;transform:translateX(-50%);font-family:var(--mono);font-size:11px;color:var(--dim);text-align:center;line-height:1.35;pointer-events:none}
.gate-tag b{display:block;color:var(--violet);font-weight:600}
.router-controls{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:16px;align-items:end;border-top:1px solid var(--line);padding-top:22px;margin-top:8px}
.range-field label{display:flex;justify-content:space-between;font-size:14px;color:var(--muted);margin-bottom:12px}
.range-field output{color:var(--text);font-weight:600;font-family:var(--mono)}
.metric{font-size:13px;color:var(--dim)}
.metric output{display:block;font-size:30px;font-weight:650;letter-spacing:-.03em;color:var(--text)}
.metric.g output{color:var(--accent)}.metric.v output{color:var(--violet)}
.gates{margin-top:16px}
.gates .card h3{margin-top:10px}
.pipeline{display:grid;grid-template-columns:5fr 7fr;gap:64px;margin-top:112px}
.pipeline-intro{position:sticky;top:110px;align-self:start}
.pipeline-intro .muted{margin-top:18px;font-size:17px}
.timeline{list-style:none;position:relative}
.timeline::before{content:"";position:absolute;left:17px;top:8px;bottom:8px;width:1px;background:var(--line-2)}
.timeline li{position:relative;display:grid;grid-template-columns:36px 1fr;gap:22px;padding-bottom:34px}
.timeline li:last-child{padding-bottom:0}
.t-dot{position:relative;z-index:1;display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--bg);border:1px solid var(--line-2);font-family:var(--mono);font-size:13px;color:var(--dim);transition:all .35s}
.timeline li.is-lit .t-dot{border-color:var(--accent);color:var(--accent-ink);background:var(--accent);box-shadow:0 0 16px rgba(182,242,126,.35)}
.timeline h3{font-size:18px;margin:6px 0 8px}
.timeline p{color:var(--muted);font-size:15px;margin:0}

/* models */
.model-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.model{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:24px;display:flex;flex-direction:column}
.model-top{display:flex;justify-content:space-between;align-items:center;height:48px;margin-bottom:14px}
.orb{width:var(--d);height:var(--d);border-radius:50%;background:radial-gradient(circle at 35% 30%,#e3ffc9,var(--accent) 45%,#4f8f28);box-shadow:0 0 22px rgba(182,242,126,.3)}
.model.esc .orb{background:radial-gradient(circle at 35% 30%,#ece8ff,var(--violet) 45%,#5245b5);box-shadow:0 0 22px rgba(169,156,255,.35)}
.model h3{font-size:19px;margin-bottom:8px}
.model p{color:var(--muted);font-size:14.5px;flex:1}
.tracks{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}
.track h3{font-size:22px;margin:6px 0 6px}
.ticks{list-style:none;margin-top:18px}
.ticks li{position:relative;padding-left:26px;margin:0 0 10px;font-size:15px}
.ticks li::before{content:"";position:absolute;left:3px;top:6px;width:5px;height:10px;border:solid var(--accent);border-width:0 2px 2px 0;transform:rotate(45deg)}
.code{margin:14px 0 0;padding:16px 18px;border-radius:10px;background:#050605;border:1px solid var(--line);font:13px/1.65 var(--mono);color:#cfd6d0;overflow-x:auto}
.code .c{color:var(--dim)}.code .s{color:var(--accent)}.code .hl{background:rgba(182,242,126,.08);border-radius:3px}

/* calculator */
.calc{display:grid;grid-template-columns:1fr 1fr;gap:0;padding:0;overflow:hidden}
.calc-inputs{padding:32px;border-right:1px solid var(--line)}
.calc-field{margin-bottom:26px}
.calc-field:last-child{margin-bottom:0}
.calc-field>label,.calc-field legend{display:flex;justify-content:space-between;font-size:14.5px;font-weight:600;margin-bottom:12px;padding:0;width:100%}
.calc-field output{font-family:var(--mono);color:var(--accent)}
.calc-field fieldset{border:0;margin:0;padding:0}
.hint{font-size:13px;color:var(--dim);margin:10px 0 0}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:6px;background:linear-gradient(90deg,var(--accent) var(--fill,50%),rgba(255,255,255,.1) var(--fill,50%));outline-offset:6px;cursor:pointer}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:#fff;border:4px solid var(--accent);box-shadow:0 0 0 4px rgba(182,242,126,.15)}
input[type=range]::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:#fff;border:4px solid var(--accent)}
.seg{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:4px;border-radius:10px;background:rgba(255,255,255,.04);border:1px solid var(--line)}
.seg input,.pick input{position:absolute;opacity:0;pointer-events:none}
.seg label{text-align:center;padding:9px 10px;border-radius:7px;font-size:14px;color:var(--muted);cursor:pointer;transition:all .2s}
.seg input:checked+label{background:var(--surface-2);color:var(--text);box-shadow:inset 0 0 0 1px var(--line-2)}
.seg input:focus-visible+label,.pick input:focus-visible+label{outline:2px solid var(--accent);outline-offset:2px}
.calc-results{padding:32px;background:radial-gradient(ellipse at 80% 0%,rgba(182,242,126,.08),transparent 60%)}
.saving-figure{font-size:clamp(46px,5vw,64px);font-weight:680;letter-spacing:-.045em;line-height:1;margin:6px 0 8px;color:var(--accent)}
.saving-sub{color:var(--muted);margin:0 0 26px}
.bars{display:grid;gap:14px}
.bar-meta{display:flex;justify-content:space-between;font-size:13.5px;color:var(--muted);margin-bottom:6px}
.bar-meta b{color:var(--text);font-family:var(--mono);font-weight:500}
.bar-track{display:flex;height:12px;border-radius:4px;background:rgba(255,255,255,.05);overflow:hidden}
.bar-fill{height:100%;transition:width .5s cubic-bezier(.2,.7,.2,1)}
.bar-today{background:rgba(255,255,255,.35)}
.bar-esc{background:var(--violet)}.bar-host{background:var(--accent)}
.legend{display:flex;gap:18px;margin-top:12px;font-size:12.5px;color:var(--dim)}
.legend span{display:inline-flex;align-items:center;gap:7px}
.calc-verdict{margin:22px 0 0;padding:14px 16px;border-radius:10px;background:rgba(255,255,255,.03);border:1px solid var(--line);font-size:14.5px}
.calc-save{margin-top:22px}

/* forms */
.inline-form{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.inline-form input[type=email]{flex:1 1 220px}
.inline-form .form-status{flex-basis:100%}
input[type=email],input[type=text],input:not([type]),select,textarea{width:100%;height:46px;padding:0 14px;border-radius:10px;border:1px solid var(--line-2);background:rgba(0,0,0,.35);color:var(--text);transition:border-color .2s,box-shadow .2s}
textarea{height:auto;min-height:104px;padding:12px 14px;resize:vertical}
select{-webkit-appearance:none;appearance:none;padding-right:36px;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 18px) 50%,calc(100% - 13px) 50%;background-size:5px 5px;background-repeat:no-repeat}
select option{background:#101410;color:var(--text)}
input::placeholder,textarea::placeholder{color:var(--dim)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(182,242,126,.15)}
.field{display:flex;flex-direction:column;gap:7px;min-width:0;border:0;margin:0;padding:0}
.field label,.field legend{font-size:14px;font-weight:600;padding:0}
.opt{font-weight:400;color:var(--dim)}
.err{display:none;font-size:13px;color:#ff9b8a}
.field.invalid .err{display:block}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:#ff9b8a}
.form-status{font-size:14px;margin:0;min-height:0}
.form-status.ok{color:var(--accent)}.form-status.bad{color:#ff9b8a}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 16px}
.form-grid .full{grid-column:1/-1}
.pick{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px}
.pick label{padding:8px 13px;border-radius:999px;border:1px solid var(--line-2);font-size:14px;font-weight:500;color:var(--muted);cursor:pointer;transition:all .2s}
.pick label:hover{border-color:rgba(255,255,255,.28);color:var(--text)}
.pick input:checked+label{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted);cursor:pointer}
.check input{margin-top:4px;accent-color:var(--accent);width:16px;height:16px;flex:none}
.form-foot{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:18px}
.form-foot p{margin:0;max-width:40ch}
.form-foot a,.contact-card a{color:var(--accent)}
.form-success{display:none;text-align:center;padding:40px 12px}
.form-card.done form{display:none}
.form-card.done .form-success{display:block}
.success-icon{display:grid;place-items:center;width:56px;height:56px;margin:0 auto 18px;border-radius:50%;background:var(--accent);color:var(--accent-ink);font-size:26px;font-weight:700}
.form-success h3{font-size:24px;margin-bottom:10px}

/* audience + trust */
.trust{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:48px;padding-top:36px;border-top:1px solid var(--line)}
.trust h3{font-size:17px;margin-bottom:8px}
.trust h3::before{content:"";display:inline-block;width:8px;height:8px;border-radius:2px;background:var(--accent);margin-right:10px;vertical-align:2px}
.trust p{color:var(--muted);font-size:15px;margin:0}

/* book */
.book-grid{display:grid;grid-template-columns:5fr 7fr;gap:72px;align-items:center}
.book-visual{display:grid;place-items:center;padding:40px 0;position:relative}
.book-visual::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;border:1px dashed var(--line-2);left:50%;top:50%;transform:translate(-50%,-50%)}
.book-visual::after{content:"";position:absolute;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(182,242,126,.16),transparent 65%);left:50%;top:50%;transform:translate(-50%,-50%)}
.book-cover{position:relative;z-index:1;width:250px;aspect-ratio:3/4.2;border-radius:6px 14px 14px 6px;padding:26px 24px;display:flex;flex-direction:column;background:linear-gradient(155deg,#16201a,#0a0e0b 60%);border:1px solid rgba(182,242,126,.25);box-shadow:inset 6px 0 0 rgba(0,0,0,.35),0 30px 60px rgba(0,0,0,.55),0 0 50px rgba(182,242,126,.08);transform:rotate(-4deg)}
.book-cover .brand-mark{width:34px;height:34px}
.book-cover .bt{margin-top:auto;font-size:27px;font-weight:680;line-height:1.05;letter-spacing:-.035em}
.book-cover .bs{margin-top:12px;font-size:12.5px;color:var(--muted);line-height:1.45}
.book-cover .ba{margin-top:18px;font-family:var(--mono);font-size:10.5px;color:var(--accent);letter-spacing:.06em;text-transform:uppercase}
.chapters{margin:26px 0 0;padding:0;list-style:none;counter-reset:ch;display:grid;grid-template-columns:1fr 1fr;gap:0 24px}
.chapters li{counter-increment:ch;display:grid;grid-template-columns:30px 1fr;padding:9px 0;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--muted)}
.chapters li::before{content:counter(ch,decimal-leading-zero);font-family:var(--mono);font-size:12px;color:var(--accent);padding-top:2px}
.founders{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:16px;margin-top:112px;align-items:stretch}
.founders .h-section{font-size:clamp(26px,2.6vw,34px)}
.founders .muted{margin-top:14px}
.monogram{display:grid;place-items:center;width:52px;height:52px;border-radius:12px;background:var(--surface-2);border:1px solid var(--line-2);font-family:var(--mono);font-weight:600;color:var(--accent)}
.founder h3{margin-top:18px;margin-bottom:4px}
.founder .mono{margin:0 0 12px}
.talks{display:grid;grid-template-columns:2fr 1fr;gap:32px;align-items:center;margin-top:16px}
.talks h3{font-size:22px;margin-bottom:8px}
.talks p{margin:0}
.talks .chips{justify-content:flex-end;margin:0}

/* booking */
.booking-grid{display:grid;grid-template-columns:5fr 7fr;gap:64px;align-items:start}
.next-steps{list-style:none;counter-reset:ns;margin-top:36px;display:grid;gap:12px}
.next-steps li{counter-increment:ns;position:relative;padding:16px 18px 16px 58px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
.next-steps li::before{content:counter(ns);position:absolute;left:16px;top:16px;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);font-family:var(--mono);font-size:12.5px;border:1px solid rgba(182,242,126,.3)}
.next-steps b{display:block;font-weight:600;font-size:15px}
.next-steps span{display:block;font-size:14px;color:var(--muted);margin-top:2px}
.form-card{padding:32px}

/* faq */
.faq-grid{display:grid;grid-template-columns:7fr 5fr;gap:64px;align-items:start}
.faq{margin-top:32px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:20px 40px 20px 0;font-size:17px;font-weight:600;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:16px;font:400 24px/1 var(--mono);color:var(--accent);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .answer{padding:0 0 20px;color:var(--muted);font-size:15.5px}
.contact-card h3{font-size:22px;margin-bottom:6px}
.contact-card form{display:grid;gap:14px;margin-top:20px}
.contact-card .btn{justify-self:start}

/* final cta */
.final-cta{position:relative;overflow:hidden;padding:140px 0;text-align:center;border-top:1px solid var(--line)}
.final-cta .wrap{position:relative;z-index:1}
.final-cta .h-section{margin:0 auto;font-size:clamp(34px,4.6vw,58px);max-width:16ch}
.final-cta .lede{margin-left:auto;margin-right:auto}
.final-cta .hero-actions{justify-content:center}
.rings{position:absolute;inset:0;pointer-events:none}
.rings i{position:absolute;left:50%;top:50%;border-radius:50%;border:1px dashed rgba(255,255,255,.08);transform:translate(-50%,-50%) rotateX(68deg)}
.rings i:nth-child(1){width:520px;height:520px}
.rings i:nth-child(2){width:860px;height:860px;border-color:rgba(182,242,126,.12)}
.rings i:nth-child(3){width:1240px;height:1240px}
.final-cta::before{content:"";position:absolute;left:50%;top:50%;width:700px;height:400px;transform:translate(-50%,-50%);background:radial-gradient(ellipse,rgba(182,242,126,.12),transparent 65%)}

/* footer */
.site-footer{border-top:1px solid var(--line);padding:64px 0 32px;background:var(--bg-2)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.6fr;gap:40px}
.footer-brand p{color:var(--muted);font-size:14.5px;margin-top:16px;max-width:34ch}
.site-footer h4{font-size:13px;font-family:var(--mono);font-weight:500;text-transform:uppercase;letter-spacing:.12em;color:var(--dim);margin-bottom:16px}
.site-footer ul{list-style:none}
.site-footer li{margin-bottom:10px}
.site-footer li a{color:var(--muted);font-size:14px;text-decoration:none}
.site-footer li a:hover{color:var(--text)}
.footer-news p{color:var(--muted);font-size:14.5px}
.footer-news .inline-form{margin-top:12px}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:52px;padding-top:24px;border-top:1px solid var(--line);font-size:13px;color:var(--dim)}

/* cookies */
.cookie-banner{position:fixed;left:20px;bottom:20px;z-index:80;max-width:420px;padding:22px;border-radius:16px;background:rgba(14,18,16,.96);border:1px solid var(--line-2);box-shadow:0 20px 60px rgba(0,0,0,.5);backdrop-filter:blur(12px);transform:translateY(16px);opacity:0;visibility:hidden;transition:all .3s}
.cookie-banner.show{transform:none;opacity:1;visibility:visible}
.cookie-banner h2{font-size:16px;margin-bottom:8px}
.cookie-banner p{font-size:14px;color:var(--muted)}
.cookie-banner a{color:var(--accent)}
.cookie-actions,.dialog-actions{display:flex;flex-wrap:wrap;gap:8px}
.cookie-modal{position:fixed;inset:0;z-index:90;display:grid;place-items:center;padding:20px;background:rgba(0,0,0,.6);backdrop-filter:blur(4px);opacity:0;visibility:hidden;transition:all .25s}
.cookie-modal.show{opacity:1;visibility:visible}
.cookie-dialog{width:100%;max-width:520px;padding:28px;border-radius:18px;background:var(--surface);border:1px solid var(--line-2)}
.cookie-dialog h2{font-size:22px;margin-bottom:10px}
.cookie-dialog>p{color:var(--muted);font-size:14.5px}
.pref{display:grid;grid-template-columns:1fr auto;gap:6px 16px;align-items:center;padding:16px 0;border-top:1px solid var(--line)}
.pref h3{font-size:15px}
.pref p{grid-column:1/-1;margin:0;font-size:13.5px;color:var(--muted)}
.always{font-family:var(--mono);font-size:12px;color:var(--accent)}
.switch{position:relative;width:44px;height:24px}
.switch input{position:absolute;inset:0;opacity:0;margin:0;cursor:pointer;z-index:1}
.switch span{position:absolute;inset:0;border-radius:24px;background:rgba(255,255,255,.14);transition:background .2s}
.switch span::after{content:"";position:absolute;left:3px;top:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:transform .2s}
.switch input:checked+span{background:var(--accent)}
.switch input:checked+span::after{transform:translateX(20px)}
.switch input:focus-visible+span{outline:2px solid var(--accent);outline-offset:2px}
.dialog-actions{margin-top:18px}

/* legal */
.legal{padding:72px 0 96px}
.legal .wrap{max-width:860px}
.legal h1{font-size:clamp(34px,4vw,48px);letter-spacing:-.035em}
.legal .updated{font-family:var(--mono);font-size:12.5px;color:var(--dim);margin-top:10px}
.legal h2{font-size:22px;margin:44px 0 12px}
.legal p,.legal li{color:var(--muted)}
.legal ul{padding-left:20px}
.legal li{margin-bottom:6px}
.legal a{color:var(--accent)}
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:12px}
.legal table{width:100%;border-collapse:collapse;font-size:14px;min-width:640px}
.legal th,.legal td{text-align:left;vertical-align:top;padding:12px 14px;border-bottom:1px solid var(--line)}
.legal th{font-family:var(--mono);font-size:12px;font-weight:500;color:var(--dim);text-transform:uppercase;letter-spacing:.06em;background:rgba(255,255,255,.02)}
.legal td{color:var(--muted)}
.legal tr:last-child td{border-bottom:0}

/* responsive */
@media (max-width:1080px){
  .nav-links{display:none}
  .menu-toggle{display:block}
  .hide-sm{display:none}
  .steps,.model-grid,.cards-4{grid-template-columns:1fr 1fr}
  .router-controls{grid-template-columns:1fr 1fr 1fr}
  .router-controls .range-field{grid-column:1/-1}
  .founders{grid-template-columns:1fr 1fr}
  .founders>div:first-child{grid-column:1/-1}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .section{padding:80px 0}
  .hero{padding-top:40px}
  .hero-grid{grid-template-columns:1fr;min-height:0}
  .hero-viz{height:400px;margin:8px -24px 0}
  .split,.pipeline,.book-grid,.booking-grid,.faq-grid,.calc,.tracks,.talks{grid-template-columns:1fr}
  .split{gap:40px}
  .waffle-panel{max-width:none;justify-self:stretch}
  .pipeline{gap:36px;margin-top:80px}
  .pipeline-intro{position:static}
  .calc-inputs{border-right:0;border-bottom:1px solid var(--line)}
  .cards-3{grid-template-columns:1fr}
  .trust{grid-template-columns:1fr;gap:22px}
  .book-grid{gap:20px}
  .talks .chips{justify-content:flex-start}
  .founders{margin-top:80px}
}
@media (max-width:600px){
  .wrap{padding:0 18px}
  .nav{gap:12px}
  .nav-cta .btn-primary{padding:0 12px;font-size:13.5px}
  .brand-word{font-size:19px}
  .steps,.model-grid,.cards-4,.form-grid,.chapters,.waffle-legend,.footer-grid{grid-template-columns:1fr}
  .founders{grid-template-columns:1fr}
  .hero-stats{gap:14px 26px}
  .hero-stats dt{font-size:22px}
  .hero-viz{height:330px;margin:8px -18px 0}
  .live{gap:10px;font-size:11px;padding:7px 12px}
  .router-big{padding:16px}
  .router-big-stage{height:280px}
  .router-controls{grid-template-columns:1fr 1fr}
  .router-controls .metric:last-child{grid-column:1/-1}
  .metric output{font-size:24px}
  .gate-tag{font-size:10.5px;top:88%}
  .gate-tag span{display:none}
  .node-label{font-size:12.5px}
  .node-label span{display:none}
  .nl-app{top:76%}.nl-small{top:76%}.nl-front{top:4%}
  .calc-inputs,.calc-results,.form-card,.panel{padding:22px}
  .calc{padding:0}
  .calc-inputs,.calc-results{padding:22px}
  .cookie-banner{left:12px;right:12px;bottom:12px;max-width:none}
  .final-cta{padding:96px 0}
  .book-cover{width:210px}
  .book-visual::before{width:320px;height:320px}
}