/* Cortex Brain Center hub. Scoped to /brain/. Black and gold, Syne + DM Sans. */
:root{
  --void:#070707;--surface:#0F0F0F;--raised:#151515;--line:#242424;--line-gold:#4A3A14;
  --gold:#D4AF37;--gold-2:#F0D77A;--gold-deep:#8F6E1E;--ink:#F3EDDF;--muted:#A9A290;--good:#7FD48A;
  --display:"Syne",ui-sans-serif,system-ui,sans-serif;--body:"DM Sans",ui-sans-serif,system-ui,sans-serif;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--void);color:var(--ink);font:16px/1.5 var(--body);-webkit-font-smoothing:antialiased}
a{color:inherit}
img,video{max-width:100%;display:block}
h1,h2,h3{font-family:var(--display);margin:0;text-wrap:balance}
.shell{width:min(1180px,100% - 40px);margin-inline:auto}
.skip{position:absolute;left:12px;top:-80px;z-index:100;background:var(--gold);color:#111;padding:10px;border-radius:8px}
.skip:focus{top:12px}
:focus-visible{outline:3px solid var(--gold-2);outline-offset:3px}
.eyebrow{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);font-weight:600}
.muted{color:var(--muted)}

/* Header */
.top{position:sticky;top:0;z-index:40;background:rgba(7,7,7,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.top .shell{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:62px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--display);font-weight:800;letter-spacing:.22em;font-size:14px}
.brand .mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(145deg,var(--gold-2),#B8902A);display:grid;place-items:center;color:#0A0A0A}
.top-links{display:flex;gap:18px;font-size:13px;color:var(--muted)}
.top-links a{text-decoration:none}
.top-links a:hover{color:var(--gold-2)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 18px;border-radius:12px;font-weight:600;font-size:14px;text-decoration:none;border:1px solid transparent;transition:transform .15s,background .15s,border-color .15s}
.btn-gold{background:linear-gradient(135deg,var(--gold-2),#B8902A);color:#0A0A0A;box-shadow:0 14px 30px -14px rgba(212,175,55,.6)}
.btn-gold:hover{transform:translateY(-1px)}
.btn-ghost{background:rgba(15,15,15,.7);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--line-gold)}
.btn-sm{min-height:40px;padding:0 14px;font-size:13px}

/* Hero */
.hero{position:relative;overflow:hidden;min-height:min(78vh,720px);display:flex;align-items:flex-end;background:#0B0A06}
.hero-media{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 45%;opacity:.9}
.hero-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,7,7,.35) 0%,rgba(7,7,7,.1) 35%,rgba(7,7,7,.85) 78%,var(--void) 100%)}
.hero-content{position:relative;z-index:1;padding-block:120px 36px;text-align:center;width:100%}
.hero-content h1{font-size:clamp(34px,6vw,64px);font-weight:800;line-height:1.02;letter-spacing:-.01em;margin-top:12px}
.hero-content h1 em{font-style:normal;background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-content p{max-width:56ch;margin:14px auto 0;font-size:17px;color:#DDD5C3}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:var(--gold-2);border:1px solid var(--line-gold);border-radius:999px;padding:6px 12px;background:rgba(7,7,7,.5)}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--good);box-shadow:0 0 8px var(--good)}

/* Purpose: the three doors */
.purpose{margin-top:-6px;position:relative;z-index:2;padding-bottom:10px}
.doors{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.door{position:relative;display:flex;flex-direction:column;justify-content:flex-end;min-height:168px;border-radius:20px;overflow:hidden;border:1px solid var(--line);background:var(--surface);text-decoration:none;isolation:isolate;transition:transform .2s,border-color .2s}
.door:hover,.door:focus-visible{transform:translateY(-3px);border-color:var(--gold)}
.door img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55;z-index:-1}
.door::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(7,7,7,0) 20%,rgba(7,7,7,.92) 100%)}
.door-in{padding:18px}
.door .n{font-family:var(--display);font-weight:800;font-size:12px;letter-spacing:.14em;color:var(--gold)}
.door h2{font-size:24px;font-weight:800;margin-top:6px}
.door p{margin:6px 0 0;font-size:13px;color:var(--muted)}
.door .go{position:absolute;right:16px;top:16px;width:36px;height:36px;border-radius:50%;border:1px solid var(--line-gold);display:grid;place-items:center;color:var(--gold-2);background:rgba(7,7,7,.5)}
.door[aria-pressed="true"]{border-color:var(--gold);box-shadow:0 0 0 1px var(--gold) inset}

/* Universe grid */
.universes{padding-block:34px 60px}
.uhead{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:14px}
.uhead>div{min-width:0;flex:1 1 260px}
.uhead h2{font-size:clamp(24px,3.4vw,36px);font-weight:800;line-height:1.05}
.uhead p{margin:4px 0 0;font-size:14px}
.chips{display:flex;gap:8px;overflow-x:auto;padding:4px 2px 10px;scrollbar-width:none;-ms-overflow-style:none}
.chips::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;min-height:40px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--muted);font:600 13px var(--body);cursor:pointer}
.chip[aria-pressed="true"]{border-color:var(--gold);background:#1A1608;color:var(--gold-2)}
.chip:hover{border-color:var(--line-gold)}
.ugrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:10px;margin-top:8px;align-items:stretch}
.tile{display:flex;flex-direction:column;gap:10px;min-height:170px;height:100%;padding:16px;border-radius:18px;border:1px solid var(--line);background:var(--surface);text-decoration:none;transition:transform .18s,border-color .18s,background .18s}
.tile:hover,.tile:focus-visible{transform:translateY(-2px);border-color:var(--line-gold);background:var(--raised)}
.tile .g{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-family:var(--display);font-weight:800;font-size:15px;background:#1C1C1C;color:var(--gold)}
.tile.live .g{background:linear-gradient(145deg,var(--gold-2),#B8902A);color:#0A0A0A}
.tile h3{font-size:15px;font-weight:700;line-height:1.2}
.tile p{margin:0;font-size:12px;color:var(--muted);flex:1}
.tile .st{display:inline-flex;align-items:center;gap:6px;font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--gold);width:max-content}
.tile .st::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.tile.soon .st{color:var(--muted)}
.tile[hidden]{display:none}
.empty{display:none;padding:28px;border:1px dashed var(--line-gold);border-radius:18px;color:var(--muted);font-size:14px;text-align:center}
.empty.show{display:block}

/* How it works */
.how{padding-block:0 60px}
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.step{padding:22px;border-radius:18px;border:1px solid var(--line);background:var(--surface)}
.step .k{font-family:var(--display);font-weight:800;font-size:28px;color:var(--gold-2)}
.step h3{font-size:17px;font-weight:700;margin-top:10px}
.step p{margin:6px 0 0;font-size:13px;color:var(--muted)}
.cta-band{margin-top:18px;border-radius:22px;padding:26px;background:linear-gradient(135deg,#1A1608 0%,var(--surface) 70%);border:1px solid var(--line-gold);display:flex;justify-content:space-between;gap:16px;align-items:center;flex-wrap:wrap}
.cta-band h2{font-size:clamp(20px,3vw,28px);font-weight:800;max-width:24ch}
.cta-band p{margin:6px 0 0;font-size:14px}

/* Footer */
.foot{border-top:1px solid var(--line);padding-block:30px 40px;color:var(--muted);font-size:13px}
.foot .shell{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;align-items:center}
.foot a{color:var(--gold)}
.mask{display:flex;align-items:center;gap:10px}
.mask b{color:var(--ink);font-family:var(--display);letter-spacing:.1em;font-size:12px}

@media (max-width:860px){
  .doors{grid-template-columns:1fr;gap:10px}
  .door{min-height:132px;flex-direction:row;align-items:center;justify-content:flex-start}
  .door img{left:auto;width:52%;object-position:center;opacity:.7}
  .door::after{background:linear-gradient(90deg,var(--surface) 0%,var(--surface) 42%,rgba(15,15,15,.55) 70%,rgba(15,15,15,.1) 100%)}
  .door-in{width:100%;padding:18px 72px 18px 18px}
  .door .n{font-size:11px}
  .door h2{font-size:22px}
  .door p{font-size:13px;max-width:34ch}
  .door .go{top:50%;transform:translateY(-50%)}
  .steps{grid-template-columns:1fr}
  .top-links{display:none}
  .hero{min-height:min(72vh,620px)}
  .hero-content{padding-block:96px 28px}
}
@media (max-width:480px){
  .shell{width:min(100% - 32px,1180px)}
  .ugrid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tile{min-height:140px;padding:14px}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;scroll-behavior:auto!important}}

.hero-cta{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:22px}
#universes{scroll-margin-top:76px}
@media (max-width:860px){.hero{min-height:min(58vh,520px)}.hero-content{padding-block:84px 24px}.hero-content p{font-size:15px}}
.hero-shade{background:linear-gradient(180deg,rgba(7,7,7,.25) 0%,rgba(7,7,7,.12) 28%,rgba(7,7,7,.72) 52%,rgba(7,7,7,.94) 76%,var(--void) 100%)}
.hero-content h1,.hero-content p{text-shadow:0 2px 24px rgba(7,7,7,.9)}
@media (max-width:860px){.hero-media{object-position:center 18%}.hero{min-height:min(64vh,560px)}}

/* Most requested */
.featured{padding-top:26px}
.feat{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:12px}
.feat-card{display:flex;flex-direction:column;gap:8px;padding:20px;border-radius:18px;border:1px solid var(--line-gold);background:linear-gradient(160deg,#17130A 0%,var(--surface) 60%);text-decoration:none;transition:transform .18s,border-color .18s}
.feat-card:hover,.feat-card:focus-visible{transform:translateY(-2px);border-color:var(--gold)}
.feat-card .fk{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold)}
.feat-card h3{font-size:18px;font-weight:700;line-height:1.2}
.feat-card p{margin:0;font-size:13px;color:var(--muted);flex:1}
.feat-card .fgo{font-size:13px;font-weight:600;color:var(--gold-2)}
@media (max-width:860px){.feat{grid-template-columns:1fr}}

/* Order page */
.order{padding-block:34px 60px;max-width:860px}
.order-intro h1{font-size:clamp(30px,5vw,48px);font-weight:800;line-height:1.05;margin-top:10px}
.order-intro h1 em{font-style:normal;color:var(--gold-2)}
.order-intro>p{margin:12px 0 0;font-size:16px;max-width:56ch}
.terms{list-style:none;padding:0;margin:22px 0 0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.terms li{padding:14px;border-radius:14px;border:1px solid var(--line);background:var(--surface);display:flex;flex-direction:column;gap:4px}
.terms b{font-family:var(--display);font-size:20px;color:var(--gold-2)}
.terms span{font-size:12px;color:var(--muted);line-height:1.35}
.order-form{margin-top:26px;display:flex;flex-direction:column;gap:16px}
.q{border:1px solid var(--line);border-radius:20px;padding:20px;margin:0;background:var(--surface)}
.q legend{font-family:var(--display);font-weight:700;font-size:18px;padding:0 6px;display:flex;align-items:center;gap:10px}
.qn{width:28px;height:28px;border-radius:50%;display:inline-grid;place-items:center;background:linear-gradient(145deg,var(--gold-2),#B8902A);color:#0A0A0A;font-size:14px}
.pick{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:10px}
.opt{position:relative;display:block;cursor:pointer}
.opt input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.opt span{display:flex;flex-direction:column;gap:2px;min-height:64px;padding:12px 14px;border-radius:14px;border:1px solid var(--line);background:var(--raised);transition:border-color .15s,background .15s}
.opt b{font-size:14px}.opt small{font-size:12px;color:var(--muted)}
.opt input:checked+span{border-color:var(--gold);background:#1A1608}
.opt input:focus-visible+span{outline:3px solid var(--gold-2);outline-offset:2px}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:10px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field.wide{grid-column:1/-1}
.field label{font-size:13px;font-weight:600}
.field input,.field select,.field textarea{width:100%;min-height:48px;padding:12px 14px;border-radius:12px;border:1px solid #3A3322;background:#0B0B0B;color:var(--ink);font:16px var(--body)}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--gold);outline:none;box-shadow:0 0 0 3px rgba(212,175,55,.2)}
.order-form :user-invalid{border-color:#E08A6E}
.consent{display:flex;gap:10px;align-items:flex-start;margin-top:14px;font-size:13px;color:var(--muted)}
.consent input{width:20px;height:20px;margin-top:1px;accent-color:var(--gold);flex:0 0 auto}
.consent a{color:var(--gold-2)}
.trap{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.submit-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.btn-lg{min-height:54px;padding:0 26px;font-size:16px}
.btn[disabled]{opacity:.6;cursor:wait}
.fine{font-size:12px;color:var(--muted);margin:0}
.status{min-height:20px;font-size:14px;color:#F2B8A4;margin:0}
.done{margin-top:26px;padding:26px;border-radius:20px;border:1px solid var(--gold);background:linear-gradient(160deg,#17130A,var(--surface))}
.done h2{font-size:clamp(22px,3.4vw,30px);font-weight:800;margin-top:8px}
.done h2 span{color:var(--gold-2)}
.done p{margin:10px 0 0}
@media (max-width:760px){.terms{grid-template-columns:repeat(2,minmax(0,1fr))}.pick{grid-template-columns:1fr 1fr}.grid2{grid-template-columns:1fr}}
@media (max-width:380px){.pick{grid-template-columns:1fr}}

/* Universe pages */
.uhero{position:relative;overflow:hidden;min-height:min(70vh,600px);display:flex;align-items:flex-end;background:#0B0A06}
.uhero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.6}
.uhero-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,7,7,.3) 0%,rgba(7,7,7,.55) 45%,var(--void) 100%)}
.uhero-in{position:relative;z-index:1;padding-block:90px 34px}
.back{display:inline-flex;align-items:center;min-height:40px;font-size:13px;color:var(--muted);text-decoration:none;margin-bottom:10px}
.back:hover{color:var(--gold-2)}
.uhero h1{font-size:clamp(36px,6vw,64px);font-weight:800;line-height:1;margin-top:8px}
.uh2{font-family:var(--display);font-weight:700;font-size:clamp(20px,3vw,28px);margin:12px 0 0;color:var(--gold-2);max-width:26ch}
.ulead{max-width:58ch;margin:12px 0 0;font-size:16px}
.badge-building{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:0 12px;min-height:40px}
.badge-building i{width:6px;height:6px;border-radius:50%;background:#E0B860;box-shadow:0 0 8px #E0B860}
.upts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;padding-block:28px}
.pt{padding:22px;border-radius:18px;border:1px solid var(--line);background:var(--surface)}
.pt h3{font-size:17px;font-weight:700}
.pt p{margin:8px 0 0;font-size:14px;color:var(--muted)}
.ujoin{padding-bottom:60px;max-width:760px}
.wl h2{font-size:clamp(24px,3.6vw,32px);font-weight:800}
.wl>p{margin:8px 0 0}
.wl .pick{margin-top:16px}
.wl .opt span{min-height:52px;justify-content:center}
.wl .submit-row{margin-top:16px}
.accent-blue{--gold:#6FA8FF;--gold-2:#9CC4FF;--gold-deep:#2F6FD6;--line-gold:#1E3050}
.accent-blue .btn-gold,.accent-blue .mark{background:linear-gradient(135deg,#9CC4FF,#2F6FD6);color:#06101F}
@media (max-width:860px){.upts{grid-template-columns:1fr}.uhero{min-height:min(64vh,560px)}.uhero-in{padding-block:80px 26px}}

/* Review fixes: tap targets, contrast, states */
.btn-sm,.chip,.back{min-height:44px}
.consent{min-height:44px;padding-block:6px}
.foot a{display:inline-block;padding:10px 4px}
.field input,.field select,.field textarea{border-color:#6E6752}
.opt span{position:relative}
.opt input:checked+span::after{content:"✓";position:absolute;right:12px;top:10px;color:var(--gold-2);font-weight:700}
.q{min-width:0}
.q :user-invalid{border-color:#E08A6E}
#join,#order-form,#o-done{scroll-margin-top:76px}