:root{color-scheme:dark;--bg:#09111b;--bg-deep:#070c13;--panel:#101c28;--panel2:#142230;--line:#273949;--soft:#879da9;--text:#e9f1ee;--mint:#8df4c6;--mintdark:#123c37;--gold:#f6d17b;--red:#f19a90}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65}.atmosphere{position:absolute;left:0;top:0;width:100%;height:640px;pointer-events:none;z-index:-1;background:radial-gradient(ellipse 54% 60% at 84% 17%,rgba(50,96,92,.21),transparent 85%),linear-gradient(180deg,#0b1722 0%,var(--bg) 100%)}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.52}button:focus-visible,a:focus-visible{outline:2px solid var(--gold);outline-offset:4px}.skip-link{position:absolute;top:-100px;left:15px;background:var(--mint);color:#08130e;padding:7px 14px;z-index:8}.skip-link:focus{top:10px}.topbar{max-width:1160px;margin:auto;padding:24px 32px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(143,173,184,.12);gap:14px}.brand{display:inline-flex;align-items:center;gap:11px;text-decoration:none;font-weight:850;letter-spacing:.145em;font-size:17px;color:var(--text);white-space:nowrap}.brand-mark{width:33px;color:var(--mint)}.word-fold{color:var(--mint)}.topnav{display:flex;align-items:center;gap:23px;font-size:11px;letter-spacing:.11em;font-weight:750}.nav-current{color:var(--mint);white-space:nowrap}.nav-dot,.blink-dot{display:inline-block;width:6px;height:6px;margin-left:4px;border-radius:50%;background:var(--mint);box-shadow:0 0 10px var(--mint)}.about-trigger{background:none;border:0;color:var(--soft);font-size:inherit;letter-spacing:inherit;font-weight:inherit;padding:8px 0}.about-trigger:hover{color:var(--text)}.lang-switch{display:flex;padding:3px;border:1px solid var(--line);background:#101a24;border-radius:10px;gap:3px}.lang-switch button{color:var(--soft);background:none;border:0;border-radius:7px;padding:7px 9px;font-size:11px;font-weight:800}.lang-switch button[aria-pressed=true]{background:var(--mint);color:#071a16}.main-wrap{max-width:1160px;margin:0 auto;padding:45px 32px 75px}.eyebrow{display:flex;align-items:center;gap:10px;font-size:10px;letter-spacing:.24em;font-weight:800;color:var(--mint)}.blink-dot{margin:0}.eyebrow-line{height:1px;width:55px;background:var(--line)}.intro{display:flex;justify-content:space-between;gap:28px;min-height:295px;align-items:center;padding:20px 0 31px}.intro-copy{max-width:665px}.intro h1{font-size:clamp(38px,5.2vw,67px);line-height:1.08;letter-spacing:-.055em;font-weight:790;margin:0 0 20px}.intro h1 em{font-style:normal;color:var(--mint)}.intro p{font-size:16px;color:#abc0c5;line-height:1.75;max-width:550px;margin:0 0 22px}.chips{display:flex;flex-wrap:wrap;gap:8px}.chips span,.skill-badge{border:1px solid #2d5049;color:#a7d8c4;background:#102721;border-radius:6px;padding:5px 9px;font-size:10px;letter-spacing:.11em;font-weight:750}.hero-graphic{color:#46665e;align-self:center;width:310px;flex:0 0 310px;filter:drop-shadow(0 12px 24px rgba(9,238,173,.08));position:relative}.hero-graphic svg{width:100%}.hero-graphic span{font-size:9px;letter-spacing:.18em;color:#728f89;display:block;text-align:center;margin-top:-7px}.game-grid{display:grid;grid-template-columns:244px minmax(0,1fr);gap:25px;align-items:start}.rail,.game-card,.about-panel{background:linear-gradient(145deg,rgba(18,32,44,.96),rgba(12,23,34,.96));border:1px solid var(--line);border-radius:14px;box-shadow:0 8px 36px rgba(0,0,0,.09)}.rail{padding:18px}.rail-head{display:flex;align-items:center;justify-content:space-between;color:#93aeba;font-size:11px;letter-spacing:.1em;font-weight:800;padding:2px 3px 16px;border-bottom:1px solid var(--line)}.rail-head strong{color:var(--mint);font-size:12px}.room-list{display:grid;gap:4px;padding:14px 0}.room-tab{background:transparent;border:1px solid transparent;color:#92a7b3;border-radius:8px;padding:9px 10px;display:flex;align-items:center;gap:11px;text-align:left;width:100%;min-height:43px;font-size:12px;font-weight:650;transition:background .15s,border-color .15s}.room-tab:hover:not(:disabled){background:#1a2b37;color:var(--text)}.room-tab[aria-current=step]{background:#19382f;color:#baf8db;border:1px solid #386a55}.room-tab:disabled{opacity:.48}.room-no{width:23px;height:23px;border:1px solid #385261;display:grid;place-items:center;border-radius:6px;font-size:10px;flex-shrink:0;font-family:ui-monospace,monospace}.room-tab[aria-current=step] .room-no{border-color:var(--mint);color:var(--mint)}.room-tab .room-name{flex:1}.room-done{color:var(--mint)}.rail-note{font-size:11px;color:#748c97;line-height:1.7;border-top:1px solid var(--line);padding:13px 4px 2px}.panel-header{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:0 0 11px;padding:0 2px}.panel-step{display:flex;align-items:center;gap:11px;flex-wrap:wrap}.panel-step>span{font-family:ui-monospace,monospace;font-size:11px;color:var(--mint);letter-spacing:.06em}.panel-step strong{font-size:14px;font-weight:650}.skill-badge{background:#243128;color:var(--gold);border-color:#69593e;white-space:nowrap}.game-card{min-height:460px;overflow:hidden}.card-content{padding:30px 34px}.card-label{font-size:10px;color:var(--mint);letter-spacing:.14em;font-weight:850;display:block;margin-bottom:9px}.card-heading{font-size:clamp(24px,3vw,35px);line-height:1.2;margin:0 0 16px;letter-spacing:-.025em;font-weight:750}.card-lead{font-size:15px;line-height:1.85;color:#b4c9cf;margin:0 0 22px}.mission-box{background:#132c2b;border:1px solid #2b5650;border-radius:10px;padding:15px 17px;margin:18px 0 22px;color:#cce7dd;font-size:13px;line-height:1.75}.mission-box b{display:block;font-size:10px;letter-spacing:.12em;color:var(--mint);margin-bottom:5px}.card-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:22px}.btn-main,.btn-quiet{padding:13px 20px;border-radius:9px;font-size:13px;font-weight:800;border:1px solid #7cd7ae}.btn-main{background:var(--mint);color:#09221d}.btn-main:hover:not(:disabled){background:#b1ffdd}.btn-quiet{background:transparent;color:#bddbd4;border-color:#41645a}.btn-quiet:hover:not(:disabled){background:#203d3b}.microcopy{font-size:11px;color:#90a4ad}.story-text{font-size:17px;line-height:1.95;letter-spacing:.005em;color:#dce9e4;max-width:68ch}.story-text p{margin:0 0 18px}.story-meta{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;margin-bottom:22px;color:#a1b5be;font-size:11px;letter-spacing:.05em}.progress-track{height:4px;background:#2b3e4b;border-radius:4px;overflow:hidden;margin:17px 0 26px}.progress-fill{height:100%;background:var(--mint);transition:width .2s}.question-title{font-size:23px;line-height:1.4;margin:0 0 24px;font-weight:710}.choices{display:grid;gap:11px}.choice{width:100%;min-height:53px;padding:13px 17px;display:flex;align-items:center;gap:12px;background:#182a37;color:var(--text);border:1px solid #375063;border-radius:10px;text-align:left;font-size:14px;transition:border-color .15s,background .15s}.choice:hover:not(:disabled){border-color:#87b6a5;background:#233f44}.choice-letter{width:27px;height:27px;flex-shrink:0;border:1px solid #5e7780;border-radius:6px;display:grid;place-items:center;font-size:12px;font-weight:750;color:#acc0c7}.choice.correct{border-color:var(--mint);background:#1a3a32}.choice.incorrect{border-color:var(--red);background:#402a31}.feedback{margin-top:19px;border-radius:10px;padding:16px 17px;background:#132923;border:1px solid #34654d;color:#d5f3e1;font-size:13px;line-height:1.7}.feedback.bad{background:#34282b;border-color:#86554f;color:#f1d1c7}.feedback strong{display:block;margin-bottom:3px}.result-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:25px 0}.stat-box{background:#142b31;border:1px solid #2d5052;border-radius:10px;padding:19px}.stat-box strong{display:block;font-size:30px;letter-spacing:-.04em;color:var(--mint);line-height:1.2}.stat-box small{font-size:11px;color:#9db5bb;letter-spacing:.04em}.result-note{font-size:12px;color:#90a6ae;line-height:1.7}.game-footnote{display:flex;align-items:center;gap:9px;font-size:11px;color:#7896a1;padding:17px 5px}.tiny-spark{font-size:17px;color:var(--mint)}.about-panel{margin-top:44px;padding:29px 34px;display:flex;justify-content:space-between;gap:22px;align-items:center}.about-panel[hidden]{display:none}.about-copy{max-width:660px}.section-tag{font-size:10px;letter-spacing:.16em;color:var(--mint);font-weight:850}.about-copy h2{margin:6px 0 10px;font-size:24px}.about-copy p{color:#abbfc6;font-size:13px;line-height:1.9;margin:7px 0}.about-symbol{font-size:58px;color:#95e0bd;font-weight:800;white-space:nowrap}.about-symbol span{font-size:28px;color:var(--gold)}.footer{border-top:1px solid var(--line);color:#78929c;font-size:10px;letter-spacing:.09em}.footer-inner{max-width:1160px;margin:auto;padding:23px 32px;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}.sep{color:#3e585d;padding:0 6px}#game-card:focus{outline:none}@media(max-width:900px){.hero-graphic{width:210px;flex-basis:210px}.intro{min-height:260px}.game-grid{grid-template-columns:202px minmax(0,1fr);gap:15px}.card-content{padding:24px}.topbar{padding:17px 22px}.main-wrap{padding:32px 22px 65px}.room-tab{padding:8px 6px}.rail{padding:13px}}@media(max-width:690px){.topbar{padding:14px 16px}.brand{font-size:14px;letter-spacing:.1em}.brand-mark{width:27px}.topnav{gap:10px;font-size:10px}.nav-current{display:none}.about-trigger{letter-spacing:0}.main-wrap{padding:23px 15px 50px}.intro{min-height:0;padding:19px 0 27px}.intro h1{font-size:clamp(35px,9vw,52px)}.intro p{font-size:14px}.hero-graphic{display:none}.game-grid{grid-template-columns:minmax(0,1fr);gap:12px}.rail{padding:13px}.rail-head{padding-bottom:8px}.room-list{display:flex;overflow-x:auto;gap:5px;padding:8px 1px 4px;scrollbar-width:thin}.room-tab{width:auto;white-space:nowrap;padding:8px;min-height:40px}.room-tab .room-name{display:none}.room-no{width:28px;height:28px}.room-done{font-size:11px}.rail-note{display:none}.panel-step strong{font-size:13px}.card-content{padding:22px 20px}.game-card{min-height:375px}.story-text{font-size:16px;line-height:1.88}.footer-inner{padding:22px 15px}.about-panel{padding:20px}.about-symbol{display:none}.eyebrow{font-size:9px;letter-spacing:.12em}.chips span{font-size:9px}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

.attention-nav-link{color:#a4bbb9;text-decoration:none;white-space:nowrap}.attention-nav-link:hover{color:var(--mint)}@media(max-width:690px){.topnav{gap:8px}.attention-nav-link{font-size:9px}}

/* MIND LAB 0.3 — shared navigation and discovery */
.topnav .lab-link{color:#b7c9c7;text-decoration:none;white-space:nowrap;font-weight:800;letter-spacing:.08em;font-size:11px}
.topnav .lab-link:hover{color:var(--mint)}
.topnav .lab-link.nav-current{color:var(--mint);border-bottom:2px solid var(--mint);padding-bottom:4px}
.mindlab-explore{margin-top:52px;padding-top:36px;border-top:1px solid var(--line)}
.mindlab-explore h2{font-size:clamp(25px,3.2vw,36px);letter-spacing:-.04em;margin:10px 0 12px}
.mindlab-explore>p{color:#aebfc1;font-size:14px;max-width:690px;line-height:1.8}
.lab-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:23px}
.lab-card{min-height:155px;padding:20px;background:linear-gradient(135deg,#152934,#101c28);border:1px solid var(--line);border-radius:13px;color:var(--text);text-decoration:none;display:flex;flex-direction:column;gap:7px}
.lab-card:hover{border-color:var(--mint);background:#1b3136}
.lab-card-icon{font-size:27px;font-weight:750;color:var(--mint);line-height:1.2}
.lab-card strong{font-size:13px;letter-spacing:.08em}
.lab-card>span:last-child{color:#acc2c3;font-size:12px;line-height:1.65}
@media(max-width:790px){.topbar{flex-wrap:wrap}.topnav{flex-wrap:wrap;justify-content:flex-end;gap:12px}.topnav .nav-current{display:inline}.topnav .lab-link{font-size:10px}.lab-cards{grid-template-columns:1fr}.lab-card{min-height:0}}
@media(max-width:480px){.topnav{width:100%;justify-content:space-between;gap:7px}.topbar{align-items:flex-start}.topnav .lab-link{font-size:10px}.about-trigger{font-size:10px}.mindlab-explore{margin-top:34px}}

/* 0.3.1: optional micro-adventure, no fourth navigation section */
.hero-prelude{font-size:12px!important;color:#91b4ac!important;margin:-6px 0 18px!important;max-width:520px!important;line-height:1.6!important}
.secret-preview{margin-top:20px;border:1px solid #37534d;border-radius:12px;background:linear-gradient(120deg,#132830,#12212b);padding:17px 20px;display:flex;gap:16px;align-items:center}
.secret-mark{width:42px;height:42px;flex:0 0 42px;border:1px solid #63775c;border-radius:9px;display:grid;place-items:center;color:var(--gold);font-size:24px}
.secret-text{flex:1;min-width:0}.secret-text p{font-size:12px;line-height:1.7;color:#afc6c5;margin:5px 0 0}
.secret-link{white-space:nowrap;color:var(--mint);font-size:11px;font-weight:800;letter-spacing:.04em;text-decoration:none;border:1px solid #39665a;padding:10px;border-radius:8px}.secret-link:hover,.secret-link:focus-visible{background:#1e4038;outline-offset:3px}
@media(max-width:690px){.secret-preview{flex-wrap:wrap;gap:10px}.secret-link{width:100%;text-align:center}.hero-prelude{font-size:12px!important}}