/* Game Theory — site styles. Tokens match the Figma "Brand" variables. */
@font-face{font-family:"GSF";src:url("../fonts/google-sans-flex-latin-400-normal.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"GSF";src:url("../fonts/google-sans-flex-latin-500-normal.woff2") format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Inter";src:url("../fonts/inter-latin-400-normal.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Inter";src:url("../fonts/inter-latin-600-normal.woff2") format("woff2");font-weight:600;font-display:swap}

:root{
  --ink:#0E0E16;--graphite:#403D44;--steel:#6E6B74;--silver:#D1D1D1;--paper:#F2F2F3;--white:#FFFFFF;
  --display:"GSF","Inter",Arial,sans-serif;--text:"Inter",Arial,Helvetica,sans-serif;
  --gutter:64px;--max:1312px;--section:128px;--cut:28px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--white);color:var(--ink);font-family:var(--text);font-size:16px;line-height:1.625}
img,svg{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:2px solid var(--steel);outline-offset:3px}
.skip{position:absolute;left:-9999px;top:8px;background:var(--silver);color:var(--ink);padding:8px 12px;z-index:100}
.skip:focus{left:8px}
.wrap{max-width:calc(var(--max) + 2*var(--gutter));margin:0 auto;padding:0 var(--gutter)}

/* type */
h1,h2,h3,.display{font-family:var(--display);font-weight:500;letter-spacing:-0.015em;margin:0}
.h-xl{font-size:clamp(44px,6.2vw,88px);line-height:1.0}
.h-1{font-size:clamp(34px,4vw,56px);line-height:1.08}
.h-2{font-size:clamp(28px,3vw,40px);line-height:1.15}
.h-3{font-size:clamp(20px,2vw,26px);line-height:1.25}
.lead{font-size:clamp(18px,1.6vw,20px);line-height:1.6}
.small{font-size:14px;line-height:1.55}
.label{font-family:var(--text);font-weight:600;font-size:13px;letter-spacing:.12em;text-transform:uppercase;line-height:1.3;color:var(--steel);margin:0 0 16px}
p{margin:0 0 16px}
.muted{color:var(--graphite)}
.on-dark{color:var(--silver)}
.on-dark .label{color:#9C99A2}
.on-dark .muted{color:#BDBBC2}

/* sections */
.sec{padding:var(--section) 0}
.sec-ink{background:var(--ink);color:var(--silver)}
.sec-graphite{background:var(--graphite);color:var(--white)}
.sec-paper{background:var(--paper)}
.sec-head{max-width:860px;margin-bottom:48px}
.sec-head-row{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:40px;flex-wrap:wrap}

/* header */
.site-header{background:var(--ink);color:var(--silver);position:relative;z-index:20}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:88px}
.brand img{height:44px;width:auto}
.menu{display:flex;align-items:center;gap:28px;list-style:none;margin:0;padding:0}
.menu>li{position:relative}
.menu a{text-decoration:none;font-size:15px;color:var(--silver)}
.menu a:hover,.menu a[aria-current="page"]{color:var(--white)}
.menu a.btn,.menu a.btn:hover{color:var(--ink);text-decoration:none}
.menu a[aria-current="page"]{text-decoration:underline;text-underline-offset:6px}
.drop{display:none;position:absolute;top:100%;left:-16px;min-width:280px;background:var(--ink);border:1px solid var(--graphite);padding:12px 0;list-style:none;margin:0}
.drop a{display:block;padding:10px 16px}
.has-drop:hover .drop,.has-drop:focus-within .drop{display:block}
.has-drop>a::after{content:" ▾";font-size:11px}
.menu-toggle{display:none;background:none;border:1px solid var(--graphite);color:var(--silver);font:inherit;padding:10px 14px;cursor:pointer;min-height:44px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 24px;border-radius:4px;font-family:var(--text);font-weight:600;font-size:16px;text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:background .15s,color .15s}
.btn-primary{background:var(--silver);color:var(--ink)}
.btn-primary:hover{background:var(--white)}
.btn-dark{background:var(--graphite);color:var(--white)}
.btn-dark:hover{background:var(--steel)}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--paper)}
.link-arrow{font-weight:600;text-decoration:none;white-space:nowrap}
.link-arrow:hover{text-decoration:underline;text-underline-offset:4px}
.actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin-top:32px}

/* hero */
.hero{background:var(--ink);color:var(--silver);position:relative;overflow:hidden}
.hero .wrap{position:relative;z-index:2;padding-top:120px;padding-bottom:136px}
.hero-copy{max-width:780px}
.hero h1{color:var(--silver);margin-bottom:24px}
.hero .lead{color:#BDBBC2;max-width:560px;margin:0}
.hero-mark{position:absolute;right:-4%;top:50%;transform:translateY(-50%);width:min(46vw,640px);z-index:1;opacity:1}
.hero-sub .wrap{padding-top:88px;padding-bottom:104px}
.hero-sub .hero-mark{width:min(34vw,460px);opacity:.14}
.crumbs{font-size:14px;color:#9C99A2;margin-bottom:20px}
.crumbs a{text-decoration:none}
.crumbs a:hover{text-decoration:underline}

/* grids and tiles */
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.tile{--c:var(--cut);clip-path:polygon(var(--c) 0,100% 0,100% 100%,0 100%,0 var(--c));background:var(--paper);padding:32px;display:flex;flex-direction:column;gap:10px;text-decoration:none;color:inherit;min-height:240px;transition:background .15s}
a.tile:hover{background:#E6E6E8}
.tile .num{font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--steel);margin-bottom:auto}
.tile-dark{background:var(--graphite);color:var(--white)}
a.tile-dark:hover{background:#4C4951}
.tile-dark .num,.tile-dark .muted{color:var(--silver)}
.tile-white{background:var(--white)}
.tile-ink{background:var(--ink);color:var(--white)}
.tile-ink .muted,.tile-ink .small{color:var(--silver)}
.rules{display:grid;gap:24px}
.rule{border-top:2px solid var(--silver);padding-top:24px}
.rule h3{margin-bottom:8px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.step .n{font-family:var(--display);font-size:clamp(56px,6vw,88px);line-height:1;color:var(--silver);margin-bottom:16px}
.list-rows{list-style:none;margin:0;padding:0}
.list-rows li{display:flex;gap:24px;padding:20px 0;border-top:1px solid var(--silver);font-size:18px}
.list-rows li span{font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--steel);padding-top:4px;min-width:24px}
.split{display:grid;grid-template-columns:5fr 7fr;gap:64px;align-items:start}
.chips{display:flex;flex-wrap:wrap;gap:10px;list-style:none;margin:0;padding:0}
.chips li{border:1px solid var(--steel);padding:8px 16px;font-size:16px}
.price{font-family:var(--display);font-size:clamp(36px,4vw,56px);line-height:1;margin:8px 0}
.tile ul{margin:8px 0 0;padding-left:18px}
.tile ul li{margin-bottom:6px}

/* about / founder */
.figure{--c:56px;clip-path:polygon(var(--c) 0,100% 0,100% 100%,0 100%,0 var(--c));background:var(--graphite);aspect-ratio:13/14;display:flex;align-items:center;justify-content:center;position:relative}
.figure img{width:48%}
.figure .cap{position:absolute;left:20px;bottom:16px;font-size:13px;color:var(--silver)}
.todo{background:#FFF3C4;color:var(--ink);padding:0 4px}

/* insights */
.card{display:flex;flex-direction:column;gap:14px;text-decoration:none;color:inherit}
.card .cover{--c:32px;clip-path:polygon(var(--c) 0,100% 0,100% 100%,0 100%,0 var(--c));aspect-ratio:16/9;overflow:hidden;background:var(--silver)}
.card .cover img{width:100%;height:100%;object-fit:cover}
.card:hover h3{text-decoration:underline;text-underline-offset:4px}
.article{max-width:720px}
.article h2{font-size:clamp(24px,2.4vw,30px);line-height:1.25;margin:40px 0 12px}
.article p,.article li{font-size:18px;line-height:1.7}
.article ol,.article ul{padding-left:22px;margin:0 0 16px}
.article .cover{--c:40px;clip-path:polygon(var(--c) 0,100% 0,100% 100%,0 100%,0 var(--c));margin:0 0 48px}

/* faq */
.faq details{border-top:1px solid var(--silver);padding:22px 0}
.faq details:last-child{border-bottom:1px solid var(--silver)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;font-family:var(--display);font-weight:500;font-size:clamp(19px,1.8vw,24px);line-height:1.3}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--steel)}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:12px 0 0;color:var(--graphite);max-width:760px}

/* cta */
.cta .wrap{display:flex;justify-content:space-between;align-items:center;gap:48px}
.cta h2{color:var(--silver);max-width:760px}
.cta .cta-mark{width:200px;flex:none}

/* forms */
.form{display:grid;gap:20px;max-width:640px}
.form label{display:block;font-weight:600;font-size:15px;margin-bottom:6px}
.form .opt{font-weight:400;color:var(--steel)}
.form input[type=text],.form input[type=email],.form select,.form textarea{width:100%;font:inherit;padding:12px 14px;border:1.5px solid var(--steel);border-radius:4px;background:var(--white);color:var(--ink);min-height:48px}
.form textarea{min-height:160px;resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--ink);outline-offset:1px}
.check{display:flex;gap:12px;align-items:flex-start}
.check input{width:20px;height:20px;margin-top:3px;flex:none}
.check label{font-weight:400;margin:0}
.hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.form-note{font-size:14px;color:var(--graphite)}
.err{color:#B3261E;font-size:14px;margin-top:6px}

/* legal */
.legal{max-width:760px}
.legal h2{font-size:24px;line-height:1.3;margin:40px 0 12px}
.legal p,.legal li{font-size:17px}
.legal table{border-collapse:collapse;width:100%;margin:8px 0 24px;font-size:15px}
.legal th,.legal td{border:1px solid var(--silver);padding:10px;text-align:left;vertical-align:top}

/* footer */
.site-footer{background:var(--ink);color:var(--silver);border-top:1px solid var(--graphite);padding:72px 0 48px}
.foot-top{display:flex;justify-content:space-between;gap:48px;flex-wrap:wrap;margin-bottom:56px}
.foot-top img{height:64px;width:auto}
.foot-cols{display:flex;gap:64px;flex-wrap:wrap}
.foot-cols ul{list-style:none;margin:0;padding:0}
.foot-cols li{margin-bottom:10px}
.foot-cols a{text-decoration:none;font-size:15px}
.foot-cols a:hover{color:var(--white);text-decoration:underline}
.foot-legal{border-top:1px solid var(--graphite);padding-top:24px;font-size:13px;color:#9C99A2;line-height:1.6}

/* responsive */
@media (max-width:1080px){
  :root{--gutter:40px;--section:96px}
  .g4{grid-template-columns:repeat(2,1fr)}
  .menu{gap:20px}
}
@media (max-width:900px){
  .menu-toggle{display:inline-flex}
  .menu{display:none;position:absolute;left:0;right:0;top:88px;background:var(--ink);flex-direction:column;align-items:stretch;gap:0;padding:8px var(--gutter) 28px;border-bottom:1px solid var(--graphite)}
  .menu.open{display:flex}
  .menu>li>a{display:block;padding:14px 0;font-size:18px;border-bottom:1px solid var(--graphite)}
  .drop{display:block;position:static;border:0;padding:0 0 8px 16px;min-width:0}
  .drop a{padding:8px 0;font-size:16px;color:#BDBBC2}
  .has-drop>a::after{content:""}
  .menu .btn{margin-top:20px}
  .g3,.g2,.steps,.split{grid-template-columns:1fr}
  .split{gap:40px}
  .hero-mark{opacity:.16;right:-20%;width:80vw}
  .cta .wrap{flex-direction:column;align-items:flex-start}
  .cta .cta-mark{width:120px}
}
@media (max-width:600px){
  :root{--gutter:20px;--section:72px;--cut:20px}
  .g4{grid-template-columns:1fr}
  .hero .wrap{padding-top:72px;padding-bottom:88px}
  .tile{padding:24px;min-height:0}
  .list-rows li{font-size:16px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
/* photography */
.hero-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero-shade{position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(14,14,22,.94) 0%,rgba(14,14,22,.8) 55%,rgba(14,14,22,.38) 100%)}
.hero-has-photo .lead{color:#D9D8DD}
.figure-photo{background:var(--silver)}
.figure-photo img{width:100%;height:100%;object-fit:cover}
.article .cover img{width:100%;display:block;aspect-ratio:16/9;object-fit:cover}
@media (max-width:900px){.hero-shade{background:linear-gradient(180deg,rgba(14,14,22,.7) 0%,rgba(14,14,22,.92) 60%)}}

/* ===================== motion & premium layer ===================== */
html.lenis,html.lenis body{height:auto}.lenis.lenis-smooth{scroll-behavior:auto!important}.lenis.lenis-stopped{overflow:clip}
/* first paint while motion boots: ink cover + hidden hero copy (removed by motion.js or a 3s failsafe) */
.js-motion body::before{content:"";position:fixed;inset:0;background:var(--ink);z-index:300}
.js-motion .hero-copy{visibility:hidden}
.wipe{position:fixed;inset:0;background:var(--ink);z-index:250;pointer-events:none;will-change:transform}
.wipe::after{content:"";position:absolute;left:50%;top:50%;width:clamp(140px,18vw,260px);aspect-ratio:1;transform:translate(-50%,-50%);background:url("../img/mark-silver.svg") center/contain no-repeat;opacity:.9}

/* split words */
.w{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.08em;margin-bottom:-.08em}
.w-i{display:inline-block;will-change:transform}

/* sticky header that tucks away */
.site-header{position:sticky;top:0;transition:transform .45s cubic-bezier(.2,.7,.2,1),background-color .3s,backdrop-filter .3s}
.site-header.is-scrolled{background:rgba(14,14,22,.86);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}
.site-header.is-hidden{transform:translateY(-100%)}
.menu>li>a:not(.btn){position:relative}
.menu>li>a:not(.btn)::before{content:"";position:absolute;left:0;right:0;bottom:-6px;height:1px;background:var(--white);transform:scaleX(0);transform-origin:right;transition:transform .35s cubic-bezier(.2,.7,.2,1)}
.menu>li>a:not(.btn):hover::before{transform:scaleX(1);transform-origin:left}
.menu a[aria-current="page"]{text-decoration:none}
.menu a[aria-current="page"]::before{transform:scaleX(1)!important}

/* hero: taller, more air, board grid */
.hero:not(.hero-sub){min-height:calc(100svh - 88px);display:flex;align-items:flex-end}
.hero:not(.hero-sub) .wrap{width:100%;padding-bottom:112px}
.hero:not(.hero-sub) .h-xl{font-size:clamp(48px,7.4vw,112px);line-height:.98;letter-spacing:-.025em}
.hero-sub .h-xl{font-size:clamp(42px,6vw,92px);letter-spacing:-.02em}
.hero-photo{will-change:transform;transform-origin:60% 50%}
.board{position:absolute;inset:0;z-index:1;display:flex;justify-content:space-between;padding:0 var(--gutter);pointer-events:none;max-width:calc(var(--max) + 2*var(--gutter));margin:0 auto}
.board-line{width:1px;height:100%;background:linear-gradient(180deg,rgba(209,209,209,0) 0%,rgba(209,209,209,.16) 30%,rgba(209,209,209,.16) 70%,rgba(209,209,209,0) 100%);transform-origin:top}

/* buttons: arrow nudge + smoother states */
.btn{transition:background .25s,color .25s,border-color .25s}
.link-arrow{display:inline-flex;align-items:center;gap:.35em}
.link-arrow:hover{text-decoration:none}
.link-arrow{background:linear-gradient(currentColor,currentColor) 0 100%/0 1px no-repeat;transition:background-size .35s cubic-bezier(.2,.7,.2,1)}
.link-arrow:hover{background-size:100% 1px}

/* tiles: lift + corner grows */
.tile{transition:background .3s,transform .5s cubic-bezier(.2,.7,.2,1),--c .4s}
a.tile:hover{transform:translateY(-6px)}
a.tile:hover{--c:44px}
@property --c{syntax:"<length>";inherits:true;initial-value:28px}

/* rules and rows: lines draw across */
.draw{border-top-color:transparent!important;position:relative}
.draw::before{content:"";position:absolute;left:0;right:0;top:-2px;height:2px;background:var(--silver);transform:scaleX(0);transform-origin:left;transition:transform 1.1s cubic-bezier(.2,.7,.2,1)}
.list-rows li.draw::before{height:1px;top:-1px}
.draw.drawn::before{transform:scaleX(1)}
.sec-graphite .rule.draw::before{background:rgba(255,255,255,.3)}

/* marquees */
.marquee{overflow:hidden;white-space:nowrap;user-select:none}
.marquee-track{display:inline-flex;align-items:center;gap:0;will-change:transform}
.marquee .dot{display:inline-block;width:.32em;height:.32em;background:currentColor;margin:0 .6em;clip-path:polygon(35% 0,100% 0,100% 100%,0 100%,0 35%);opacity:.5}
.band{background:var(--ink);color:var(--silver);padding:44px 0;border-top:1px solid var(--graphite)}
.marquee-band{font-family:var(--display);font-weight:500;font-size:clamp(40px,6vw,88px);line-height:1.1;letter-spacing:-.02em}
.marquee-band span:not(.dot){color:transparent;-webkit-text-stroke:1px rgba(209,209,209,.55)}
.marquee-band span:nth-child(4n+1){color:var(--silver);-webkit-text-stroke:0}
.cta{position:relative;overflow:hidden;padding-top:72px}
.marquee-cta{font-family:var(--display);font-weight:500;font-size:clamp(72px,12vw,180px);line-height:1;letter-spacing:-.03em;color:rgba(209,209,209,.08);margin-bottom:56px}

/* cards: subtle */
.card .cover img{transform-origin:50% 50%}
.card h3{transition:color .2s}

@media (max-width:900px){
  .hero:not(.hero-sub){min-height:calc(88svh - 88px)}
  .board-line:nth-child(n+4){display:none}
}
@media (prefers-reduced-motion:reduce){
  .board-line{display:none}
  .marquee-track{transform:none!important}
  .js-motion body::before{display:none}
  .js-motion .hero-copy{visibility:visible}
}
.figure-photo,.card .cover,.article .cover{overflow:hidden}
body{overflow-x:clip}