/* THE 3% RULE — V3 */
:root{
  --paper:#f4f3ee;
  --paper-2:#e9e6dd;
  --white:#fffefa;
  --ink:#11110f;
  --muted:#6f6b63;
  --soft:#b9b4a9;
  --line:#d4d0c6;
  --orange:#ff4619;
  --orange-dark:#c93414;
  --wrap:1240px;
  --pad:clamp(20px,4vw,52px);
  --sans:"Space Grotesk",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body.no-scroll{overflow:hidden}
a{color:inherit}
button,input{font:inherit}
img,svg{display:block;max-width:100%}
h1,h2,h3,p,ul,figure{margin:0}
ul{padding:0;list-style:none}
::selection{background:var(--orange);color:#fff}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px}
[hidden]{display:none!important}
.wrap{width:min(100%,calc(var(--wrap) + var(--pad)*2));margin:auto;padding-inline:var(--pad)}
.skip{position:absolute;left:12px;top:-70px;z-index:1000;background:var(--ink);color:var(--paper);padding:11px 14px;text-decoration:none;font:500 12px var(--mono)}
.skip:focus{top:12px}
.kicker{font:500 12px/1.35 var(--mono);letter-spacing:.17em;text-transform:uppercase;color:var(--orange-dark)}
.logo{font-size:16px;font-weight:700;letter-spacing:-.03em;text-decoration:none;white-space:nowrap}.logo span{color:var(--orange)}

/* header */
.header{position:sticky;top:0;z-index:80;background:color-mix(in srgb,var(--paper) 94%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:border-color .2s,background .2s}
.header.is-scrolled{border-color:var(--line);background:color-mix(in srgb,var(--paper) 98%,transparent)}
.header__inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.nav{display:flex;align-items:center;gap:28px}.nav a{font:500 11px var(--mono);letter-spacing:.13em;text-transform:uppercase;text-decoration:none;color:var(--muted)}.nav a:hover,.nav a[aria-current="page"]{color:var(--ink)}
.nav__cta{border:1px solid var(--ink);padding:11px 15px!important;color:var(--ink)!important}.nav__cta:hover{background:var(--ink);color:var(--paper)!important}
.menu{display:none;width:44px;height:44px;border:1px solid var(--line);background:transparent;padding:12px;cursor:pointer}.menu i{display:block;height:1px;background:var(--ink);transition:.2s}.menu i+i{margin-top:7px}

/* shared */
.section{padding:clamp(82px,9vw,132px) 0;border-bottom:1px solid var(--line)}
.section-head{max-width:980px}.section h2{font-size:clamp(44px,6vw,82px);line-height:.96;letter-spacing:-.052em;margin-top:18px}.section h2 span{color:var(--muted);font-weight:500}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}.actions--center{justify-content:center}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 22px;border:1px solid var(--ink);background:transparent;color:var(--ink);text-decoration:none;text-transform:uppercase;letter-spacing:.13em;font:500 11px var(--mono);transition:.18s ease;cursor:pointer}
.button:hover{transform:translateY(-2px)}
.button--dark{background:var(--ink);color:var(--paper)}.button--dark:hover{background:var(--orange-dark);border-color:var(--orange-dark);color:white}
.button--line:hover{border-color:var(--orange);color:var(--orange-dark)}
.button--accent{background:var(--orange);border-color:var(--orange);color:white}.button--accent:hover{background:var(--orange-dark);border-color:var(--orange-dark)}
.button--light{background:var(--paper);border-color:var(--paper);color:var(--ink)}
.button.is-disabled{opacity:.52;cursor:not-allowed}.button.is-disabled:hover{transform:none}
.text-button{border:0;background:none;padding:0;color:var(--muted);text-transform:uppercase;letter-spacing:.12em;font:500 10px var(--mono);cursor:pointer;text-decoration:underline;text-underline-offset:4px}.text-button:hover{color:var(--orange-dark)}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease var(--delay,0s),transform .6s ease var(--delay,0s)}.reveal.is-in{opacity:1;transform:none}

/* hero */
.hero{padding:clamp(52px,6vw,88px) 0 clamp(76px,8vw,112px);border-bottom:1px solid var(--line)}
.hero__grid{display:grid;grid-template-columns:minmax(330px,.72fr) minmax(560px,1.28fr);gap:clamp(44px,6vw,88px);align-items:center}
.hero__copy{align-self:center}.hero h1{font-size:clamp(78px,9.3vw,146px);line-height:.80;letter-spacing:-.072em;margin:22px 0 34px}.hero h1 span{color:var(--orange)}
.hero__lead{font-size:clamp(20px,2vw,29px);line-height:1.32;color:var(--muted);max-width:19ch}.hero__lead strong{color:var(--ink);font-weight:600}
.hero__micro{display:flex;gap:16px;flex-wrap:wrap;margin-top:28px}.hero__micro span{font:500 10px var(--mono);letter-spacing:.13em;color:var(--soft)}
.hero__down{display:inline-block;margin-top:30px;font:500 11px var(--mono);letter-spacing:.13em;text-decoration:none;color:var(--orange-dark)}

.hero-game{position:relative;background:var(--white);border:1px solid var(--line);box-shadow:0 24px 70px rgba(17,17,15,.09);padding:22px;min-width:0}
.game-top{display:flex;justify-content:space-between;align-items:flex-start;gap:22px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.game-top>div:first-child{display:grid;gap:5px}.game-top>div:first-child span{font:500 10px var(--mono);letter-spacing:.14em;color:var(--orange-dark)}.game-top>div:first-child strong{font-size:22px;letter-spacing:-.03em}
.game-stats{display:grid;grid-template-columns:repeat(3,auto);gap:18px}.game-stats span{display:grid;gap:2px;font:500 9px var(--mono);letter-spacing:.1em;color:var(--muted)}.game-stats b{font-size:14px;color:var(--ink);letter-spacing:0}
.game-brief{display:flex;justify-content:space-between;align-items:flex-start;gap:22px;padding:16px 0 12px}.game-brief p{font-size:14px;color:var(--muted);max-width:54ch}.game-brief strong{color:var(--ink)}
.game-hint{font:500 11px/1.55 var(--mono);color:var(--orange-dark);background:rgba(255,70,25,.07);border-left:2px solid var(--orange);padding:10px 12px;margin-bottom:8px}
.matrix-shell{display:grid;grid-template-columns:24px minmax(0,1fr);grid-template-rows:20px auto;gap:5px;padding:10px 0 14px}.axis{font:500 9px var(--mono);color:var(--soft);user-select:none}.axis--x{grid-column:2;display:flex;justify-content:space-around;align-items:end}.axis--y{display:flex;flex-direction:column;justify-content:space-around;align-items:center}.matrix{display:grid;grid-template-columns:repeat(10,minmax(0,1fr));gap:2px;min-width:0}
.matrix-cell{aspect-ratio:1;border:0;background:transparent;display:grid;place-items:center;color:var(--ink);cursor:pointer;padding:0;transition:background .15s,color .15s,transform .15s}
.matrix-cell:hover{background:var(--paper-2)}.matrix-cell--number{font:500 clamp(9px,.78vw,12px) var(--mono);letter-spacing:-.04em}.matrix-cell.is-found{background:rgba(255,70,25,.11);color:var(--orange-dark);outline:1px solid var(--orange);outline-offset:-1px}.matrix-cell.is-wrong{color:#aaa39a;background:#efede7}.matrix-cell[data-checked="1"]{cursor:default}
.game-bottom{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;padding-top:14px;border-top:1px solid var(--line);font:500 10px/1.5 var(--mono);letter-spacing:.07em;text-transform:uppercase;color:var(--muted)}.game-bottom p{max-width:52ch}
.game-result{margin-top:16px;padding:20px;border:1px solid rgba(255,70,25,.45);background:rgba(255,70,25,.045)}.result-kicker{font:500 10px var(--mono);letter-spacing:.15em;color:var(--orange-dark)}.game-result h2{font-size:clamp(30px,3vw,44px);line-height:1;letter-spacing:-.045em;margin:8px 0 12px}.result-rule{color:var(--muted)}.result-rule strong{color:var(--ink)}.result-stats{display:grid;grid-template-columns:auto auto auto auto;justify-content:start;align-items:baseline;gap:8px 18px;margin-top:20px}.result-stats span{font-size:26px;font-weight:700}.result-stats small{font:500 9px var(--mono);letter-spacing:.12em;color:var(--muted)}.result-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.share-status{min-height:1.3em;margin-top:10px;font:10px var(--mono);color:var(--muted)}

/* 100 / 97 / 3 */
.numbers{background:var(--ink);color:var(--paper)}.numbers__grid{display:grid;grid-template-columns:repeat(3,1fr)}.numbers__grid>div{min-height:138px;padding:30px 24px;display:flex;align-items:flex-end;gap:16px;border-right:1px solid rgba(255,255,255,.14)}.numbers__grid>div:last-child{border-right:0}.numbers strong{font-size:clamp(48px,6vw,82px);line-height:.82;letter-spacing:-.05em}.numbers span{font:500 11px var(--mono);letter-spacing:.13em;color:rgba(255,255,255,.54)}.numbers__accent strong{color:var(--orange)}

/* mechanic */
.rule-steps{display:grid;grid-template-columns:repeat(3,1fr);margin-top:clamp(52px,7vw,84px);border-block:1px solid var(--line)}.rule-steps article{padding:32px clamp(20px,2.6vw,38px) 38px;border-right:1px solid var(--line)}.rule-steps article:first-child{padding-left:0}.rule-steps article:last-child{border-right:0;padding-right:0}.rule-steps article>span{font:500 11px var(--mono);letter-spacing:.14em;color:var(--orange-dark)}.rule-steps h3{font-size:23px;text-transform:uppercase;letter-spacing:-.02em;margin:34px 0 10px}.rule-steps p{font-size:16px;color:var(--muted);max-width:31ch}

/* book */
.book-section{background:var(--white)}.book-grid{display:grid;grid-template-columns:minmax(380px,.88fr) minmax(420px,1.12fr);gap:clamp(56px,8vw,112px);align-items:center}.book-visual{display:grid;place-items:center}.book-photo{position:relative;width:min(430px,90%);filter:drop-shadow(0 28px 28px rgba(17,17,15,.16));transform:rotate(-2deg)}.book-photo img{width:100%;height:auto;border:1px solid #ddd6cb;background:var(--paper)}.book-edge{position:absolute;z-index:-1;left:14px;right:-12px;top:14px;bottom:-15px;background:#ddd7cd;border:1px solid #c8c1b6;transform:skewY(-1deg)}
.book-copy__lead{font-size:clamp(18px,1.8vw,23px);color:var(--muted);max-width:52ch;margin-top:28px}.book-points{margin-top:34px;border-top:1px solid var(--line)}.book-points li{display:grid;grid-template-columns:135px 1fr;gap:24px;padding:19px 0;border-bottom:1px solid var(--line)}.book-points b{font:500 11px var(--mono);letter-spacing:.09em;text-transform:uppercase;color:var(--orange-dark)}.book-points span{color:var(--muted)}.availability{font:500 10px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--soft);margin-top:14px}
.experience{margin-top:clamp(78px,9vw,126px)}.experience-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:24px}.experience-head>p:last-child{font-size:17px;color:var(--muted)}
.experience-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.sample-card{border:1px solid var(--line);background:var(--paper);display:grid;grid-template-rows:minmax(250px,1fr) auto;min-width:0}.sample-preview{min-height:250px;background:var(--white);border-bottom:1px solid var(--line);position:relative;overflow:hidden}.sample-card>div:last-child{padding:22px}.sample-card>div:last-child>span{font:500 10px var(--mono);letter-spacing:.13em;color:var(--orange-dark)}.sample-card h3{font-size:26px;letter-spacing:-.035em;margin:8px 0 6px}.sample-card p{color:var(--muted);font-size:14px}
.sample-preview--shapes{background-image:radial-gradient(circle,var(--ink) 0 2px,transparent 2.7px);background-size:24px 24px;background-position:14px 14px}.sample-preview--shapes:after{content:"";position:absolute;width:20px;height:20px;right:13%;top:17%;border:2px solid var(--orange);border-radius:50%}.sample-preview--shapes:before{content:"";position:absolute;width:8px;height:8px;right:calc(13% + 6px);top:calc(17% + 6px);background:var(--orange);border-radius:50%}
.sample-preview--numbers,.sample-preview--relation{display:grid;grid-template-columns:repeat(3,1fr);place-items:center;gap:1px;padding:28px}.sample-preview--numbers b{font:500 20px var(--mono)}.sample-preview--numbers b:nth-child(4){color:var(--orange);border:1px solid var(--orange);padding:9px}.sample-preview--relation i{font:500 18px var(--mono);font-style:normal;border:1px solid var(--line);padding:10px 12px}.sample-preview--relation i:nth-child(5){color:var(--orange);border-color:var(--orange)}

/* progression */
.depth{background:var(--paper)}.depth-track{display:grid;grid-template-columns:repeat(5,1fr);margin-top:58px;border:1px solid var(--line)}.depth-track>div{min-height:185px;padding:22px;border-right:1px solid var(--line);display:flex;flex-direction:column;justify-content:space-between;background-image:repeating-linear-gradient(135deg,transparent 0 10px,rgba(17,17,15,.03) 10px 11px)}.depth-track>div:last-child{border-right:0;background:var(--ink);color:var(--paper)}.depth-track b{font:500 11px var(--mono);color:var(--orange-dark)}.depth-track__last b{color:var(--orange)}.depth-track span{font-size:18px;font-weight:600;letter-spacing:-.025em}

/* companion marketing */
.help-grid{display:grid;grid-template-columns:1fr .82fr;gap:clamp(52px,8vw,112px);align-items:center}.help .help-copy{color:var(--muted);font-size:19px;max-width:50ch;margin:26px 0 31px}.reveal-chain{display:flex;flex-direction:column}.reveal-chain>div{border:1px solid var(--line);padding:19px 20px;display:grid;grid-template-columns:94px 1fr auto;align-items:baseline;gap:16px;background:rgba(255,255,255,.35)}.reveal-chain span{font:500 10px var(--mono);letter-spacing:.12em;color:var(--muted)}.reveal-chain strong{font-size:18px}.reveal-chain small{color:var(--muted)}.reveal-chain i{text-align:center;font-style:normal;color:var(--soft);height:27px}.reveal-chain .is-accent{border-color:var(--orange)}.reveal-chain .is-accent strong{color:var(--orange-dark)}

/* final CTA */
.final-cta{background:var(--ink);color:var(--paper);padding:clamp(88px,11vw,156px) 0;text-align:center}.final-cta p{font:500 11px var(--mono);letter-spacing:.16em;color:rgba(255,255,255,.5);text-transform:uppercase}.final-cta h2{font-size:clamp(60px,9vw,128px);line-height:.84;letter-spacing:-.066em;margin:23px 0 42px}.final-cta h2 span{color:var(--orange)}

/* footer */
.footer{padding:34px 0 32px}.footer-marks{display:grid;grid-template-columns:repeat(50,1fr);gap:5px;margin-bottom:28px}.footer-mark{aspect-ratio:1;background:var(--soft)}.footer-mark.hit{border-radius:50%;background:var(--orange)}.footer__row{border-top:1px solid var(--line);padding-top:24px;display:flex;justify-content:space-between;align-items:center;gap:22px;flex-wrap:wrap}.footer nav{display:flex;gap:19px;flex-wrap:wrap}.footer nav a,.footer p{font:500 10px var(--mono);letter-spacing:.08em;color:var(--muted);text-decoration:none}.footer nav a:hover{color:var(--ink)}

/* hints */
.page-hero{padding:clamp(60px,7vw,96px) 0 42px}.page-hero h1{font-size:clamp(58px,8vw,110px);line-height:.86;letter-spacing:-.06em;margin-top:18px}.page-hero>p:last-of-type{font-size:19px;color:var(--muted);margin-top:19px;max-width:54ch}.companion-status{display:inline-flex;gap:14px;align-items:center;margin-top:28px;padding:12px 14px;border:1px solid var(--line);font:500 10px var(--mono);letter-spacing:.1em}.companion-status span{color:var(--muted)}.companion-status b{color:var(--orange-dark)}
.tools{display:flex;justify-content:space-between;align-items:end;gap:26px;padding:25px 0;border-block:1px solid var(--line);margin-bottom:20px}.jump label{display:block;font:500 10px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}.jump__row{display:flex;gap:10px}.jump input{width:126px;background:var(--paper);border:1px solid var(--ink);padding:13px;text-align:center;font:18px var(--mono)}.jump__msg{font:500 10px var(--mono);color:var(--orange-dark);margin-top:8px;min-height:1.3em}.resume{display:flex;align-items:center;gap:14px;font:500 10px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}.resume a{color:var(--ink)}
.puzzle-key{display:flex;gap:20px;margin:18px 0;font:500 9px var(--mono);letter-spacing:.1em;text-transform:uppercase}.puzzle-key span:before{content:"";display:inline-block;width:8px;height:8px;margin-right:7px;background:var(--ink)}.puzzle-key .draft-key{color:var(--muted)}.puzzle-key .draft-key:before{background:var(--paper-2);border:1px solid var(--line)}
.puzzle-grid{display:grid;grid-template-columns:repeat(10,1fr);gap:8px;padding-bottom:92px}.puzzle-tile{aspect-ratio:1;display:grid;place-items:center;border:1px solid var(--line);text-decoration:none;font:600 13px var(--mono);background:var(--paper);transition:.15s}.puzzle-tile[href]:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);transform:translateY(-2px)}.puzzle-tile.is-draft{color:#aaa49a;background:rgba(255,255,255,.22)}

/* puzzle companion */
.crumb{padding-top:44px}.crumb a{font:500 10px var(--mono);letter-spacing:.11em;text-transform:uppercase;color:var(--muted);text-decoration:none}.crumb a:hover{color:var(--ink)}
.puzzle-head{padding:52px 0 34px;border-bottom:2px solid var(--ink)}.puzzle-head h1{font-size:clamp(58px,7vw,108px);line-height:.88;letter-spacing:-.06em;margin:18px 0}.puzzle-meta{font:500 10px var(--mono);letter-spacing:.12em;color:var(--muted)}.draft{margin-top:22px;padding:16px;border:1px solid var(--orange);background:rgba(255,70,25,.05);color:var(--orange-dark);font-size:14px}
.stages{padding-top:8px}.stage{padding:34px 0;border-bottom:1px solid var(--line)}.stage__top{display:grid;grid-template-columns:1fr auto;align-items:center;gap:22px;min-height:52px}.stage__tag{font:500 10px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}.stage__tag b{color:var(--orange-dark)}.stage__done{justify-self:end;font:500 10px var(--mono);letter-spacing:.1em;color:var(--orange-dark)}.stage__top .button{justify-self:end}.stage__top .button:disabled{opacity:.32;cursor:not-allowed;transform:none}
.panel{padding-top:20px}.panel-label{font:500 10px var(--mono);letter-spacing:.14em;color:var(--orange-dark);text-transform:uppercase;margin-bottom:12px}.panel-text{font-size:clamp(20px,2vw,29px);line-height:1.42;max-width:72ch}
#anom-panel{display:grid;grid-template-columns:minmax(240px,.55fr) minmax(420px,1fr);gap:28px 58px;align-items:start}#anom-panel>.panel-label{grid-column:1/-1;margin-bottom:0}.anom-list{display:grid;gap:11px}.anom-list li{display:flex;align-items:center;gap:12px;font:500 13px var(--mono)}.badge{width:30px;height:30px;display:grid;place-items:center;border:1px solid var(--orange);color:var(--orange-dark);font:500 11px var(--mono)}
.solution-grid{width:min(100%,580px);aspect-ratio:1;display:grid;grid-template-columns:repeat(10,1fr);gap:7px;padding:18px;border:1px solid var(--line);background:var(--white)}.solution-cell{position:relative;display:grid;place-items:center}.solution-cell:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--soft)}.solution-cell.hit:before{background:var(--orange)}.solution-cell.hit:after{content:"";position:absolute;width:30px;height:30px;border:1px solid var(--orange);border-radius:50%}
.reset-row{display:flex;justify-content:flex-end;padding:26px 0 22px}.puzzle-nav{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:26px 0 88px;border-top:1px solid var(--line)}.puzzle-nav span{display:block;min-width:1px}.puzzle-nav a{display:inline-flex;align-items:center;min-height:54px;padding:0 20px;border:1px solid var(--line);font:500 11px var(--mono);letter-spacing:.08em;text-decoration:none;text-transform:uppercase}.puzzle-nav a:hover{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.modal{position:fixed;inset:0;z-index:200;display:grid;place-items:center;padding:20px}.modal__backdrop{position:absolute;inset:0;background:rgba(17,17,15,.55)}.modal__card{position:relative;width:min(100%,520px);background:var(--paper);border:1px solid var(--ink);padding:30px;box-shadow:0 30px 80px rgba(0,0,0,.22)}.modal__card h2{font-size:34px;line-height:1;letter-spacing:-.04em}.modal__card p{color:var(--muted);margin-top:14px}.modal__actions{display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap;margin-top:28px}

/* legal */
.legal-main{max-width:900px;padding-top:72px;padding-bottom:100px}.legal-main h1{font-size:clamp(60px,8vw,105px);line-height:.9;letter-spacing:-.06em;margin:16px 0 36px}.legal-main h2{font-size:28px;letter-spacing:-.035em;margin:42px 0 10px}.legal-main p{font-size:18px;color:var(--muted);max-width:68ch}.legal-main a{color:var(--ink)}

/* tablet */
@media (max-width:980px){
  .hero__grid{grid-template-columns:1fr;gap:46px}.hero__copy{max-width:760px}.hero h1{font-size:clamp(76px,14vw,128px)}.hero__lead{max-width:28ch}.hero-game{width:100%}
  .book-grid{grid-template-columns:.9fr 1.1fr;gap:48px}.book-photo{width:min(370px,92%)}
  .experience-grid{grid-template-columns:1fr}.sample-card{grid-template-columns:minmax(280px,.9fr) 1.1fr;grid-template-rows:auto}.sample-preview{border-bottom:0;border-right:1px solid var(--line);min-height:230px}
  .help-grid{grid-template-columns:1fr 1fr;gap:48px}
  #anom-panel{grid-template-columns:minmax(210px,.45fr) minmax(360px,1fr);gap:26px 34px}
}

/* mobile */
@media (max-width:760px){
  :root{--pad:18px}
  .header__inner{height:62px}.logo{font-size:14px}.menu{display:block}
  .nav{position:absolute;left:0;right:0;top:62px;display:none;flex-direction:column;align-items:stretch;gap:0;background:var(--paper);border-bottom:1px solid var(--ink);padding:8px var(--pad) 18px}.nav.is-open{display:flex}.nav a{padding:14px 0;border-bottom:1px solid var(--line);font-size:11px}.nav__cta{margin-top:10px;text-align:center;border:1px solid var(--ink)!important;padding:13px!important}
  .section{padding:72px 0}.section h2{font-size:clamp(40px,12vw,58px)}.kicker{font-size:11px}
  .button{min-height:50px;padding-inline:18px}.actions{gap:9px}

  .hero{padding:42px 0 68px}.hero__grid{gap:34px}.hero h1{font-size:clamp(68px,22vw,96px);margin:18px 0 26px}.hero__lead{font-size:20px;max-width:24ch}.hero__micro{gap:10px 14px;margin-top:22px}.hero__down{margin-top:24px}
  .hero-game{padding:14px;margin-inline:0;box-shadow:0 18px 42px rgba(17,17,15,.08)}.game-top{display:grid;gap:13px}.game-stats{grid-template-columns:repeat(3,1fr);gap:8px}.game-stats span{padding:7px 0;border-top:1px solid var(--line)}.game-brief{display:grid;gap:10px;padding-top:13px}.game-brief p{font-size:13px}.matrix-shell{grid-template-columns:18px minmax(0,1fr);grid-template-rows:17px auto;gap:3px;padding-top:8px}.axis{font-size:7px}.matrix{gap:1px}.matrix-cell--number{font-size:clamp(7.5px,2.35vw,10px);letter-spacing:-.08em}.game-bottom{font-size:8px;gap:10px}.game-bottom .text-button{font-size:8px;white-space:nowrap}.game-result{padding:16px}.game-result h2{font-size:34px}.result-stats{gap:6px 12px}.result-actions{display:grid;grid-template-columns:1fr 1fr}.result-actions .button{padding-inline:8px;font-size:9px}

  .numbers__grid{grid-template-columns:repeat(3,1fr)}.numbers__grid>div{min-height:108px;padding:22px 10px;display:grid;align-content:end;gap:8px}.numbers strong{font-size:clamp(40px,13vw,54px)}.numbers span{font-size:7px;letter-spacing:.07em;line-height:1.25}

  .rule-steps{grid-template-columns:1fr;margin-top:38px}.rule-steps article,.rule-steps article:first-child,.rule-steps article:last-child{padding:24px 0 28px;border-right:0;border-bottom:1px solid var(--line)}.rule-steps article:last-child{border-bottom:0}.rule-steps h3{margin:18px 0 7px;font-size:21px}.rule-steps p{max-width:44ch}

  .book-grid{grid-template-columns:1fr;gap:48px}.book-visual{order:1}.book-copy{order:2}.book-photo{width:min(330px,78vw)}.book-copy__lead{font-size:18px}.book-points li{grid-template-columns:1fr;gap:6px}.book-points b{font-size:10px}.experience{margin-top:70px}.experience-head{display:grid;gap:9px}.experience-head>p:last-child{font-size:15px}.experience-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:12px;margin-inline:calc(var(--pad)*-1);padding-inline:var(--pad);padding-bottom:10px}.sample-card{flex:0 0 min(84vw,350px);display:grid;grid-template-columns:1fr;grid-template-rows:235px auto;scroll-snap-align:start}.sample-preview{min-height:235px;border-right:0;border-bottom:1px solid var(--line)}.sample-card h3{font-size:24px}

  .depth-track{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;margin-top:38px}.depth-track>div{flex:0 0 58%;min-height:150px;scroll-snap-align:start}.depth-track>div:last-child{border-right:0}

  .help-grid{grid-template-columns:1fr;gap:40px}.help .help-copy{font-size:17px}.reveal-chain>div{grid-template-columns:80px 1fr auto;padding:16px 14px}.reveal-chain small{font-size:11px}
  .final-cta{padding:82px 0}.final-cta h2{font-size:clamp(54px,17vw,78px);margin-bottom:32px}.final-cta .actions{display:grid;grid-template-columns:1fr}.final-cta .button{width:100%}

  .footer{padding-top:26px}.footer-marks{gap:3px;margin-bottom:22px}.footer__row{display:grid;justify-items:start}.footer nav{gap:14px 18px}

  .page-hero{padding:48px 0 30px}.page-hero h1{font-size:clamp(56px,18vw,78px)}.page-hero>p:last-of-type{font-size:16px}.companion-status{display:grid;gap:3px}
  .tools{display:grid;align-items:start}.jump__row{width:100%}.jump input{flex:1;min-width:0}.resume{justify-content:space-between}.puzzle-grid{grid-template-columns:repeat(5,1fr);gap:7px;padding-bottom:70px}.puzzle-tile{font-size:11px}

  .crumb{padding-top:26px}.puzzle-head{padding:38px 0 26px}.puzzle-head h1{font-size:clamp(46px,15vw,72px);margin:14px 0 16px}.puzzle-meta{font-size:8px;line-height:1.6}.stage{padding:26px 0}.stage__top{grid-template-columns:1fr;gap:14px}.stage__top .button,.stage__done{justify-self:start}.panel{padding-top:16px}.panel-text{font-size:21px}
  #anom-panel{grid-template-columns:1fr;gap:22px}#anom-panel>.panel-label{grid-column:1}.anom-list{grid-template-columns:1fr}.solution-grid{width:100%;max-width:100%;gap:5px;padding:13px}.solution-cell:before{width:6px;height:6px}.solution-cell.hit:after{width:25px;height:25px}.reset-row{justify-content:flex-start}.puzzle-nav{padding-bottom:64px}.puzzle-nav a{min-height:50px;padding-inline:13px;font-size:9px}
  .modal__card{padding:22px}.modal__card h2{font-size:30px}.modal__actions{display:grid;grid-template-columns:1fr 1fr}.modal__actions .button{padding-inline:8px}
  .legal-main{padding-top:54px;padding-bottom:76px}.legal-main h1{font-size:64px}.legal-main p{font-size:16px}
}

@media (max-width:420px){
  :root{--pad:16px}.hero h1{font-size:72px}.hero__lead{font-size:18px}.hero__micro span{font-size:8px}.hero-game{padding:12px}.game-top>div:first-child strong{font-size:19px}.matrix-cell--number{font-size:7.5px}.numbers__grid>div{padding-inline:8px}.numbers span{font-size:6.5px}.sample-card{flex-basis:88vw}.depth-track>div{flex-basis:66%}.puzzle-grid{grid-template-columns:repeat(4,1fr)}
}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.button,.matrix-cell{transition:none}}