:root{
  --ink:#ede4d3;
  --ink-dim:#a59882;
  --ink-fade:#6a5e4c;
  --bg:#0d0c0a;
  --bg-2:#15130f;
  --bg-3:#1d1a14;
  --rule:#2a251c;
  --rule-2:#3a3225;
  --amber:#d18b2a;
  --amber-hi:#f5b14d;
  --rust:#8a2b1f;
  --moss:#5a6b3a;
  --paper:#e8dfc8;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--bg);color:var(--ink);font-family:"Inter Tight",system-ui,sans-serif;font-feature-settings:"ss01","cv11","tnum";min-height:100%}
body{font-size:15px;line-height:1.55;letter-spacing:.005em;overflow-x:hidden}
img,svg{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit;background:transparent;border:0;outline:0}
a{color:inherit;text-decoration:none}
.mono{font-family:"JetBrains Mono",ui-monospace,monospace;font-feature-settings:"tnum"}
.serif{font-family:"Fraunces",Georgia,serif;font-feature-settings:"ss01","ss02","onum"}
.upcase{text-transform:uppercase;letter-spacing:.14em;font-size:11px;font-weight:600}
.tnum{font-variant-numeric:tabular-nums}

/* SHELL */
.shell{max-width:1320px;margin:0 auto;padding:0 28px}
.nav{display:flex;align-items:center;justify-content:space-between;padding:22px 28px;border-bottom:1px solid var(--rule);position:sticky;top:0;background:rgba(13,12,10,.92);backdrop-filter:blur(8px);z-index:50}
.nav-left{display:flex;align-items:center;gap:18px}
.brand{font-family:"Fraunces",serif;font-weight:800;font-size:18px;letter-spacing:-.01em}
.brand em{font-style:italic;color:var(--amber);font-weight:300}
.brand small{color:var(--ink-fade);font-family:"JetBrains Mono",monospace;font-weight:400;font-size:11px;margin-left:8px;letter-spacing:.05em}
.nav-right{display:flex;gap:10px;align-items:center}
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border:1px solid var(--ink);font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;cursor:pointer;transition:.12s;color:var(--ink);background:transparent}
.btn:hover{background:var(--ink);color:var(--bg)}
.btn-amber{border-color:var(--amber);color:var(--amber)}
.btn-amber:hover{background:var(--amber);color:var(--bg)}
.btn-ghost{border-color:var(--rule-2);color:var(--ink-dim)}
.btn-ghost:hover{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-block{width:100%;justify-content:center;padding:14px}
.btn[disabled]{opacity:.5;cursor:not-allowed;pointer-events:none}

/* HERO */
.hero{padding:80px 0 60px;border-bottom:1px solid var(--rule)}
.hero-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:60px;align-items:end}
.hero-meta{display:flex;gap:32px;color:var(--ink-fade);font-size:11px;letter-spacing:.18em;text-transform:uppercase;margin-bottom:36px;font-family:"JetBrains Mono",monospace;flex-wrap:wrap}
.hero-meta span{display:flex;align-items:center;gap:8px}
.hero-meta i{font-style:normal;color:var(--amber)}
.hero h1{font-family:"Fraunces",serif;font-weight:300;font-size:clamp(56px,9vw,128px);line-height:.92;letter-spacing:-.035em}
.hero h1 em{font-style:italic;font-weight:400;color:var(--amber)}
.hero h1 .stroke{font-weight:800}
.hero-sub{font-family:"Fraunces",serif;font-size:18px;line-height:1.5;color:var(--ink-dim);max-width:40ch;margin-top:24px}
.hero-sub em{font-style:italic;color:var(--amber)}
.hero-side{display:flex;flex-direction:column;gap:24px;padding-bottom:8px}
.hero-stat{border-top:1px solid var(--rule);padding-top:14px}
.hero-stat .label{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-fade);font-family:"JetBrains Mono",monospace}
.hero-stat .val{font-family:"Fraunces",serif;font-size:38px;font-weight:600;letter-spacing:-.02em;line-height:1}
.hero-stat .val em{font-style:italic;color:var(--amber);font-weight:400}
.hero-cta{display:flex;gap:12px;margin-top:40px;flex-wrap:wrap}

/* SECTION */
section{padding:80px 0;border-bottom:1px solid var(--rule)}
.sec-num{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.2em;color:var(--ink-fade);text-transform:uppercase;margin-bottom:20px;display:flex;align-items:center;gap:14px}
.sec-num:before{content:"";width:36px;height:1px;background:var(--amber)}
.sec-h{font-family:"Fraunces",serif;font-weight:400;font-size:clamp(36px,4.5vw,64px);line-height:1;letter-spacing:-.02em;margin-bottom:48px;max-width:18ch}
.sec-h em{font-style:italic;color:var(--amber)}

/* RULES */
.rules{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--rule);border-left:1px solid var(--rule)}
.rule{padding:32px 28px;border-right:1px solid var(--rule);border-bottom:1px solid var(--rule);min-height:240px;display:flex;flex-direction:column;justify-content:space-between}
.rule .n{font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--ink-fade);letter-spacing:.2em}
.rule h3{font-family:"Fraunces",serif;font-weight:500;font-size:22px;line-height:1.15;letter-spacing:-.01em;margin:18px 0}
.rule p{font-size:13px;color:var(--ink-dim);line-height:1.55}

/* HOW IT WORKS */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:2px solid var(--ink)}
.step{padding:36px 32px 36px 0;border-right:1px solid var(--rule)}
.step:last-child{border-right:0;padding-right:0}
.step .k{font-family:"Fraunces",serif;font-size:80px;font-weight:300;line-height:1;color:var(--amber);letter-spacing:-.04em}
.step h4{font-family:"Fraunces",serif;font-weight:500;font-size:22px;margin:16px 0 8px;letter-spacing:-.01em}
.step p{color:var(--ink-dim);font-size:14px;max-width:32ch}

/* REWARD PITCH */
.reward-pitch{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.reward-pitch p{font-size:20px;color:var(--paper);line-height:1.55;max-width:38ch}

/* FAQ */
.faq{display:grid;grid-template-columns:1fr 2fr;gap:60px;align-items:start}
.faq-list{border-top:1px solid var(--rule)}
.faq-q{padding:24px 0;border-bottom:1px solid var(--rule);display:grid;grid-template-columns:auto 1fr auto;gap:20px;align-items:start;cursor:pointer}
.faq-q .qn{font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--ink-fade);padding-top:4px}
.faq-q .qt{font-family:"Fraunces",serif;font-size:20px;letter-spacing:-.01em;line-height:1.3}
.faq-q .qx{font-family:"JetBrains Mono",monospace;color:var(--amber);font-size:18px;transition:.2s}
.faq-q .qa{display:none;grid-column:2;color:var(--ink-dim);font-size:14px;padding-top:14px;max-width:62ch;line-height:1.65}
.faq-q.open .qa{display:block}
.faq-q.open .qx{transform:rotate(45deg)}

/* FOOTER */
footer{padding:48px 0 32px}
.foot{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;align-items:start;border-top:2px solid var(--ink);padding-top:48px}
.foot small{color:var(--ink-fade);font-size:11px;letter-spacing:.14em;text-transform:uppercase;font-family:"JetBrains Mono",monospace}
.foot ul{list-style:none;margin-top:14px;display:flex;flex-direction:column;gap:8px;font-size:13px;color:var(--ink-dim)}
.foot ul a:hover{color:var(--ink)}
.foot-brand{font-family:"Fraunces",serif;font-size:48px;font-weight:300;line-height:.9;letter-spacing:-.02em}
.foot-brand em{color:var(--amber);font-style:italic}
.foot p{color:var(--ink-fade);max-width:36ch;margin-top:18px;font-size:13px}
.foot-bottom{display:flex;justify-content:space-between;padding-top:32px;margin-top:32px;border-top:1px solid var(--rule);font-size:11px;color:var(--ink-fade);letter-spacing:.14em;text-transform:uppercase;font-family:"JetBrains Mono",monospace;flex-wrap:wrap;gap:12px}

/* AUTH */
.auth{min-height:calc(100vh - 80px);display:grid;grid-template-columns:1fr 1fr}
.auth-side{padding:80px 60px;border-right:1px solid var(--rule);display:flex;flex-direction:column;justify-content:space-between;background:var(--bg-2)}
.auth-side .quote{font-family:"Fraunces",serif;font-size:36px;line-height:1.15;letter-spacing:-.015em;font-weight:300;max-width:18ch}
.auth-side .quote em{font-style:italic;color:var(--amber)}
.auth-form{padding:80px 60px;max-width:520px;width:100%}
.auth-form h2{font-family:"Fraunces",serif;font-weight:400;font-size:48px;letter-spacing:-.02em;line-height:1;margin-bottom:8px}
.auth-form .lede{color:var(--ink-dim);font-size:14px;margin-bottom:44px}
.field{margin-bottom:22px}
.field label{display:block;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-fade);margin-bottom:8px;font-family:"JetBrains Mono",monospace}
.field input{width:100%;padding:14px 0;border-bottom:1px solid var(--rule-2);font-size:18px;font-family:"Fraunces",serif;font-weight:400;color:var(--ink);transition:.12s}
.field input:focus{border-color:var(--amber)}
.field input::placeholder{color:var(--ink-fade)}
.helper{font-size:12px;color:var(--ink-fade);margin-top:8px;font-family:"JetBrains Mono",monospace}
.field.error input{border-color:var(--rust)}
.field.error .helper{color:var(--rust)}
.auth-foot{margin-top:32px;font-size:13px;color:var(--ink-dim)}
.auth-foot a{color:var(--amber);border-bottom:1px solid var(--amber)}

/* INFO BANNER (post-submit) */
.banner{margin:24px 0;padding:18px 22px;border-left:3px solid var(--amber);background:var(--bg-2);font-family:"Fraunces",serif;font-size:16px;color:var(--paper);line-height:1.55}
.banner.ok{border-left-color:var(--moss)}
.banner.err{border-left-color:var(--rust);color:var(--ink)}
.banner small{display:block;font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-fade);margin-bottom:8px}

/* DASHBOARD */
.dash{padding:48px 0 80px}
.dash-head{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:end;padding-bottom:32px;border-bottom:1px solid var(--rule);margin-bottom:48px}
.dash-h{font-family:"Fraunces",serif;font-weight:300;font-size:72px;line-height:.95;letter-spacing:-.03em}
.dash-h em{font-style:italic;color:var(--amber);font-weight:400}
.dash-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-left:1px solid var(--rule)}
.ds{padding:14px 18px;border-right:1px solid var(--rule);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.ds .label{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-fade);font-family:"JetBrains Mono",monospace}
.ds .val{font-family:"Fraunces",serif;font-size:32px;font-weight:500;line-height:1.1;letter-spacing:-.02em;margin-top:4px}
.ds .val em{color:var(--amber);font-style:italic}

.legend{display:flex;gap:24px;font-size:11px;color:var(--ink-dim);letter-spacing:.1em;text-transform:uppercase;font-family:"JetBrains Mono",monospace;margin-bottom:20px;flex-wrap:wrap}
.legend span{display:flex;align-items:center;gap:8px}
.legend i{width:10px;height:10px;display:inline-block;border:1px solid var(--rule-2);background:var(--bg-2)}
.legend i.s-solved{background:var(--ink);border-color:var(--ink)}
.legend i.s-active{border-color:var(--amber);background:var(--bg-3)}
.legend i.s-locked{background:var(--bg-2)}
.legend i.s-reward{background:var(--amber);border-color:var(--amber)}

.gates{display:grid;grid-template-columns:repeat(10,1fr);gap:8px}
.gate{aspect-ratio:1;border:1px solid var(--rule);display:flex;flex-direction:column;align-items:center;justify-content:center;font-family:"JetBrains Mono",monospace;cursor:pointer;background:var(--bg-2);position:relative;transition:.12s;text-align:center}
.gate:hover{border-color:var(--amber);background:var(--bg-3)}
.gate .n{font-size:24px;font-weight:700;letter-spacing:-.02em}
.gate .t{font-size:9px;color:var(--ink-fade);letter-spacing:.1em;margin-top:4px;padding:0 4px;line-height:1.2}
.gate.solved{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.gate.solved .t{color:var(--bg);opacity:.6}
.gate.current{border-color:var(--amber);color:var(--amber)}
.gate.locked{opacity:.45;cursor:not-allowed}
.gate.locked:hover{border-color:var(--rule);background:var(--bg-2)}

/* GATE DETAIL */
.gd{padding:48px 0 80px;display:grid;grid-template-columns:1fr 380px;gap:48px}
.gd-crumb{font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--ink-fade);letter-spacing:.16em;text-transform:uppercase;margin-bottom:20px}
.gd-crumb a{color:var(--amber)}
.gd-title{font-family:"Fraunces",serif;font-weight:400;font-size:68px;line-height:.98;letter-spacing:-.025em;margin-bottom:8px}
.gd-title em{font-style:italic;color:var(--amber)}
.gd-sub{font-family:"Fraunces",serif;font-size:20px;color:var(--ink-dim);font-weight:400;margin-bottom:40px;max-width:54ch}
.gd-prose{font-family:"Fraunces",serif;font-size:17px;line-height:1.65;color:var(--paper);max-width:62ch;margin-bottom:32px}
.gd-payload{background:var(--bg-2);border:1px solid var(--rule);border-left:3px solid var(--amber);padding:24px 28px;margin-bottom:32px;font-family:"JetBrains Mono",monospace;font-size:14px;color:var(--paper);overflow-x:auto;line-height:1.7;white-space:pre-wrap;word-break:break-all}
.gd-payload .lbl{font-size:10px;letter-spacing:.2em;color:var(--ink-fade);text-transform:uppercase;margin-bottom:10px;display:block}
.gd-submit{border-top:1px solid var(--rule);padding-top:32px}
.gd-submit label{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-fade);font-family:"JetBrains Mono",monospace;display:block;margin-bottom:12px}
.gd-input{display:flex;border:1px solid var(--ink)}
.gd-input input{flex:1;padding:18px 20px;font-family:"JetBrains Mono",monospace;font-size:16px;letter-spacing:.02em}
.gd-input button{padding:0 32px;background:var(--ink);color:var(--bg);font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;cursor:pointer}
.gd-input button:hover{background:var(--amber);color:var(--bg)}
.gd-input button[disabled]{opacity:.4;cursor:wait}
.gd-meta{font-size:11px;color:var(--ink-fade);margin-top:14px;font-family:"JetBrains Mono",monospace;letter-spacing:.1em;text-transform:uppercase;display:flex;gap:24px;flex-wrap:wrap}

.aside-card{border:1px solid var(--rule);padding:24px 24px 28px;margin-bottom:16px;background:var(--bg-2)}
.aside-card .h{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-fade);margin-bottom:14px;display:flex;align-items:center;gap:10px}
.aside-card .h:before{content:"";width:8px;height:8px;background:var(--amber)}
.kv{display:grid;grid-template-columns:1fr auto;gap:8px 16px;font-family:"JetBrains Mono",monospace;font-size:13px;line-height:1.9}
.kv span:nth-child(odd){color:var(--ink-fade);letter-spacing:.05em;text-transform:uppercase;font-size:11px}
.kv span:nth-child(even){color:var(--ink);text-align:right}
.kv .ok{color:var(--moss)}
.kv .warn{color:var(--amber)}
.aside-nav{display:flex;justify-content:space-between;gap:8px}
.aside-nav .btn{flex:1;justify-content:center;padding:12px;font-size:11px}

/* MODAL */
.modal-bg{position:fixed;inset:0;background:rgba(13,12,10,.88);display:none;align-items:center;justify-content:center;z-index:100;backdrop-filter:blur(4px);padding:20px}
.modal-bg.open{display:flex}
.modal{width:560px;max-width:100%;background:var(--bg-2);border:1px solid var(--ink);position:relative}
.modal.win{border:2px solid var(--amber)}
.modal.lost{border:2px solid var(--rust)}
.modal-strip{padding:14px 28px;font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.2em;text-transform:uppercase;border-bottom:1px solid var(--rule);display:flex;justify-content:space-between;color:var(--ink-fade);flex-wrap:wrap;gap:8px}
.modal-strip .pulse{color:var(--amber);display:flex;align-items:center;gap:8px}
.modal-strip .pulse:before{content:"";width:8px;height:8px;background:var(--amber);animation:p 1.2s infinite}
@keyframes p{0%,100%{opacity:1}50%{opacity:.3}}
.modal-body{padding:48px 40px 40px;text-align:center}
.modal-eye{font-family:"Fraunces",serif;font-size:13px;letter-spacing:.4em;text-transform:uppercase;color:var(--amber);margin-bottom:18px}
.modal h2{font-family:"Fraunces",serif;font-weight:300;font-size:56px;line-height:.95;letter-spacing:-.03em;margin-bottom:14px}
.modal h2 em{color:var(--amber);font-style:italic}
.modal .desc{color:var(--ink-dim);font-family:"Fraunces",serif;font-size:18px;max-width:36ch;margin:0 auto 28px;line-height:1.45}
.reward-box{border:1px solid var(--rule-2);background:var(--bg);padding:24px;margin:24px 0;text-align:left}
.reward-box .rb-l{font-family:"JetBrains Mono",monospace;font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-fade);margin-bottom:10px}
.reward-box .rb-v{font-family:"JetBrains Mono",monospace;font-size:14px;color:var(--paper);word-break:break-all;line-height:1.6}
.reward-box .rb-v strong{color:var(--amber);font-weight:600}
.modal-foot{padding:18px 28px;border-top:1px solid var(--rule);display:flex;gap:8px}
.modal-foot .btn{flex:1;justify-content:center}
.lost .modal-eye{color:var(--rust)}
.lost h2 em{color:var(--rust)}
.close-x{position:absolute;top:14px;right:14px;width:32px;height:32px;display:flex;align-items:center;justify-content:center;color:var(--ink-fade);font-family:"JetBrains Mono",monospace;cursor:pointer;font-size:18px;background:transparent;border:0}
.close-x:hover{color:var(--ink)}

/* MOBILE */
@media (max-width:900px){
  .hero-grid,.faq,.gd,.reward-pitch{grid-template-columns:1fr;gap:40px}
  .rules,.steps,.dash-stats{grid-template-columns:repeat(2,1fr)}
  .gates{grid-template-columns:repeat(5,1fr)}
  .auth{grid-template-columns:1fr}
  .auth-side{display:none}
  .foot{grid-template-columns:1fr 1fr;gap:32px}
  .auth-form{padding:48px 28px}
  .modal-body{padding:32px 24px 24px}
  .modal h2{font-size:42px}
}