@font-face{font-family:UnifrakturCook;src:url('assets/fonts/UnifrakturCook-Bold.ttf') format('truetype');font-weight:700;font-display:swap}
:root{color-scheme:dark;--bg:#18191c;--ink:#f0ece3;--muted:#bbb8b4;--blue:#48668c;--line:rgba(232,226,214,.28);--serif:Georgia,'Times New Roman',serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scrollbar-gutter:stable}
@media(prefers-reduced-motion:no-preference){html.motion-pending :is(.wordmark,.brand-divider,.account-actions,.hero-copy,.page-intro,.hero-board,.quick-links,.editorial-section,.lesson,.community-grid,.community-note,.page-cta,.site-footer,.stat-line){visibility:hidden}}
body{margin:0;min-width:320px;min-height:100vh;color:var(--ink);background:radial-gradient(ellipse at 64% 32%,rgba(91,82,76,.12),transparent 47%),radial-gradient(ellipse at 24% 66%,rgba(0,0,0,.14),transparent 55%),var(--bg);font-family:var(--serif);-webkit-font-smoothing:antialiased}
body:before{content:'';position:fixed;inset:0;pointer-events:none;z-index:9;opacity:.028;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.88' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Cpath fill='%23fff' filter='url(%23n)' opacity='.65' d='M0 0h180v180H0z'/%3E%3C/svg%3E")}
button,a{-webkit-tap-highlight-color:transparent}
button{font:inherit;color:inherit;cursor:pointer}
button:disabled{cursor:default;opacity:.45}
a{color:inherit;text-decoration:none}
button{border:0;background:none}
button,a,summary{touch-action:manipulation}
a:focus-visible,button:focus-visible,summary:focus-visible,canvas:focus-visible{outline:2px solid #9cb7dc;outline-offset:6px}
button:hover,a:hover{color:#fff}
[hidden]{display:none!important}
::selection{background:#48668c;color:#fff}
.wide{width:calc(100% - 140px);max-width:1440px;margin-left:auto;margin-right:auto}
.icon{display:block;width:24px;height:24px;flex-shrink:0}
.skip-link{position:fixed;left:16px;top:10px;z-index:30;padding:12px 20px;background:var(--blue);transform:translateY(-150%)}
.skip-link:focus{transform:translateY(0)}
.site-header{height:84px;border-bottom:1px solid rgba(219,221,227,.16);background:rgba(16,17,19,.19);position:relative;z-index:10}
.header-inner{height:100%;display:flex;align-items:center;gap:0;padding:0 20px}
.wordmark{font-size:49px;line-height:1;display:block;flex-shrink:0;padding-bottom:6px}
.wordmark svg{display:block;width:auto;height:.9em}
.brand-divider{height:28px;width:1px;background:rgba(240,236,227,.5);margin:0 49px 0 52px}
.main-navigation{display:flex;height:100%;align-items:stretch;gap:39px}
.main-navigation>a{display:flex;align-items:center;position:relative;font-size:20px;white-space:nowrap;padding:0 5px}
.main-navigation>a:after{content:'';position:absolute;bottom:14px;left:0;right:0;height:3px;background:var(--blue);transform:scaleX(0);transition:transform .2s}
.main-navigation>a[aria-current]:after,.main-navigation>a:hover:after{transform:scaleX(1)}
.account-actions{margin-left:auto;display:flex;gap:19px;padding-left:30px}
.button{display:inline-flex;justify-content:center;align-items:center;gap:20px;border:1px solid transparent;border-radius:14px;padding:14px 29px;font-size:23px;line-height:1.15;white-space:nowrap;transition:background .2s,border-color .2s,transform .2s}
.button-primary{background:linear-gradient(110deg,#47658a,#49668a);box-shadow:inset 0 1px 0 rgba(255,255,255,.05)}
.button-primary:hover{background:#5779a3;border-color:rgba(163,189,225,.2);transform:translateY(-1px)}
.button-outline{border-color:rgba(241,235,221,.77);background:rgba(11,12,14,.12)}
.button-outline:hover{background:rgba(255,255,255,.05);border-color:var(--ink)}
.account-actions .button{font-size:20px;border-radius:12px;padding:10px 25px}
.menu-toggle,.mobile-account{display:none}
.hero{display:grid;grid-template-columns:43% 57%;align-items:center;position:relative;min-height:541px}
.hero-copy{position:relative;z-index:2;padding:0 0 0 26px;margin-top:-11px}
.eyebrow{display:flex;align-items:center;gap:18px;font-size:15px;line-height:1.5;letter-spacing:5px;text-transform:uppercase;margin:0}
.eyebrow>span{display:block;width:85px;height:1px;background:rgba(242,235,219,.6);flex-shrink:0}
.hero h1{font-size:104px;line-height:1.02;font-weight:400;letter-spacing:-4.8px;margin:18px 0 12px}
.hero-description{font-size:28px;line-height:1.16;letter-spacing:-.3px;margin:0;max-width:510px}
.hero-actions{display:flex;align-items:center;gap:19px;margin-top:44px}
.hero-actions .button-primary{padding-left:31px;padding-right:24px;gap:19px}
.hero-actions .button-outline{font-size:21px}
.hero-board{position:relative;margin:0 -34px 0 -12px;align-self:center;min-width:0}
.board-surface{position:relative;width:100%;height:500px;isolation:isolate;mask-image:radial-gradient(ellipse 65% 62% at 50% 48%,#000 60%,transparent 100%)}
.scene-canvas,.board-fallback{display:block;width:100%;height:100%;border:0;object-fit:contain}
.scene-canvas{touch-action:pan-y;cursor:grab;position:relative;z-index:1;transition:opacity .6s}
.scene-canvas:active{cursor:grabbing}
.board-fallback{position:absolute;inset:0;opacity:.94}
.board-surface[data-ready] .board-fallback{visibility:hidden}
.board-error{position:absolute;bottom:24px;left:0;right:0;text-align:center;font-size:13px;color:var(--muted);z-index:2}
.board-caption{position:absolute;left:20%;right:11%;bottom:7px;display:flex;align-items:center;justify-content:flex-end;gap:12px;color:#aaa8a6;font-size:11px;font-family:var(--serif)}
.demo-caption{display:flex;align-items:center;gap:7px;white-space:nowrap}
.status-dot{width:5px;height:5px;border-radius:50%;background:#7790ad;box-shadow:0 0 8px #7790ad33}
.caption-separator{color:#666568;margin:0 2px}
.animation-toggle{display:flex;align-items:center;gap:5px;font-size:12px;padding:9px 2px}
.animation-toggle .icon{width:13px;height:13px}
.statistics{padding:14px 20px 0;margin-top:1px}
.stats-row{display:flex;align-items:center;justify-content:center;gap:48px}
.stat-line{height:1px;background:var(--line);flex:1;min-width:20px}
.stat{display:flex;align-items:center;gap:23px;margin:0;white-space:nowrap;font-size:24px}
.stat>.icon,.stat>[data-icon] .icon{width:36px;height:36px}
.stat strong{font-size:36px;font-weight:700;margin-right:5px;letter-spacing:-1.2px}
.stat-divider{height:32px;width:1px;background:var(--line);margin:0 13px}
.demo-notice{font-size:10px;letter-spacing:.55px;color:#8f8d8a;text-align:center;margin:13px 0 0}
.quick-links{display:grid;grid-template-columns:1fr 1fr 1fr;gap:29px;margin-top:43px}
.action-card{display:flex;align-items:center;gap:24px;min-width:0;min-height:153px;padding:30px 27px 30px 31px;text-align:left;border:1px solid rgba(234,229,217,.35);border-radius:15px;background:linear-gradient(120deg,rgba(255,255,255,.016),rgba(255,255,255,.025));box-shadow:inset 0 0 0 2px rgba(0,0,0,.11);transition:background .2s,border-color .2s,transform .2s}
.action-card:hover{background:rgba(92,110,133,.1);border-color:rgba(190,203,219,.65);transform:translateY(-3px)}
.card-icon{display:grid;place-items:center;flex-shrink:0;width:74px;height:74px;background:rgba(255,255,255,.065);border-radius:15px}
.card-icon .icon{width:35px;height:35px}
.card-copy{display:flex;flex-direction:column;min-width:0;gap:10px}
.card-copy h2,.card-title{display:block;font-size:25px;line-height:1.08;font-weight:700;margin:0;white-space:nowrap}
.card-copy>span:last-child{font-size:17px;line-height:1.35;color:var(--muted)}
.card-arrow{margin-left:auto;flex-shrink:0}
.card-arrow .icon{width:24px;height:24px}
.site-footer{display:flex;align-items:center;justify-content:space-between;gap:30px;border-top:1px solid var(--line);margin-top:76px;min-height:111px;padding:24px 14px 34px}
.footer-links{display:flex;align-items:center;justify-content:space-between;gap:34px;flex:1}
.footer-links button{font-size:17px;padding:8px 0;text-align:left;white-space:nowrap}
.footer-links button:hover{text-decoration:underline;text-underline-offset:5px}
.social-links{display:flex;align-items:center;gap:31px;border-left:1px solid rgba(233,228,216,.45);margin-left:72px;padding-left:65px}
.social-links button{padding:2px}
.social-links .icon{width:26px;height:26px}
.information-dialog{border:1px solid rgba(232,226,214,.3);border-radius:18px;padding:44px;max-width:590px;width:calc(100% - 40px);background:radial-gradient(ellipse at 0 0,#292a2d,#1b1d21 70%);color:var(--ink);box-shadow:0 30px 120px #0009;max-height:85dvh;overflow:auto}
.information-dialog::backdrop{background:rgba(7,8,10,.76);backdrop-filter:blur(7px)}
.dialog-close{position:absolute;top:17px;right:17px;padding:8px}
.dialog-close .icon{width:20px;height:20px}
.information-dialog .eyebrow{font-size:11px;letter-spacing:3px}
.information-dialog h2{font-weight:400;font-size:37px;line-height:1.12;margin:26px 0 20px;max-width:420px}
.information-dialog p:not(.eyebrow){font-size:18px;line-height:1.6;color:var(--muted)}
.dialog-confirm{margin-top:22px;font-size:18px;padding:12px 22px}
.dialog-confirm .icon{width:19px;height:19px}
.faq-item{border-bottom:1px solid var(--line);padding:16px 0}
.faq-item summary{cursor:pointer;font-size:18px;line-height:1.4;padding-right:12px}
.faq-item p{margin-bottom:0}
.noscript-message{text-align:center;padding:20px;color:var(--muted)}
.noscript-message a{text-decoration:underline}

/* Pages de présentation */
.page-main{max-width:1200px;min-height:calc(100vh - 275px)}
.page-intro{padding:76px 0 50px;border-bottom:1px solid var(--line);position:relative}
.page-intro h1{font-size:clamp(48px,5vw,76px);font-weight:400;line-height:1.06;letter-spacing:-2px;margin:22px 0}
.page-intro .lead{max-width:660px;font-size:24px;line-height:1.5;color:var(--muted);margin:0}
.page-intro .eyebrow{font-size:12px;letter-spacing:4px}
.section-heading{font-size:37px;line-height:1.2;font-weight:400;letter-spacing:-.8px;margin:0 0 20px}
.section-kicker{color:#9db3ce;font-size:12px;letter-spacing:3px;text-transform:uppercase;margin:0 0 15px}
.editorial-section{padding:50px 0;border-bottom:1px solid var(--line)}
.editorial-section p,.rule-card p,.community-card p{font-size:19px;line-height:1.65;color:var(--muted);margin:0 0 16px}
.editorial-section p:last-child{margin-bottom:0}
.two-columns{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.terrain-image{width:100%;border-radius:14px;display:block}
.rule-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;margin-top:30px}
.rule-card,.community-card{border:1px solid var(--line);border-radius:15px;padding:29px;background:linear-gradient(135deg,#ffffff03,#ffffff01)}
.rule-card h3,.community-card h2{font-size:27px;line-height:1.2;margin:20px 0 14px;font-weight:400}
.piece-art{height:115px;display:flex;align-items:center;justify-content:center;position:relative}
.piece-art:after{content:'';width:90px;height:12px;position:absolute;bottom:5px;background:#0008;border-radius:50%;filter:blur(9px)}
.piece-shape{width:48px;height:97px;background:linear-gradient(105deg,#6390cc,#325487 55%,#254168);clip-path:polygon(30% 3%,70% 0,94% 90%,85% 100%,5% 96%);filter:drop-shadow(5px 8px 4px #0008);z-index:1}
.piece-shape.vanguard{width:64px;height:91px;clip-path:polygon(48% 0,67% 14%,100% 93%,78% 100%,0 94%)}
.piece-shape.scout{width:46px;height:108px;border-radius:45% 45% 12% 12%;clip-path:polygon(50% 0,61% 15%,76% 25%,79% 35%,76% 45%,97% 94%,76% 100%,0 96%,21% 45%,18% 30%,35% 13%)}
.piece-metrics{display:flex;gap:23px;font-size:15px;color:var(--muted);padding-top:10px;border-top:1px solid var(--line)}
.piece-metrics b{font-size:22px;color:var(--ink);font-weight:400;margin-right:3px}
.rule-callout{border-left:2px solid #6c8bb2;padding:3px 0 3px 24px;margin:26px 0}
.rule-callout p{font-size:21px}
.page-cta{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:45px 0 0}
.page-cta p{font-size:24px;margin:0;color:var(--muted)}
.page-cta .button{font-size:20px}
.page-main+.site-footer{margin-top:65px}
.lesson-index{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.lesson-index a{font-size:15px;border:1px solid var(--line);border-radius:30px;padding:10px 17px;color:var(--muted)}
.lesson-index a:hover{background:#48668c33;color:var(--ink)}
.lesson{display:grid;grid-template-columns:65px 1fr 260px;align-items:center;gap:28px;padding:42px 0;border-bottom:1px solid var(--line);scroll-margin-top:30px}
.lesson-number{font-size:39px;color:#6b83a2;font-style:italic;align-self:start;padding-top:3px}
.lesson h2{font-size:30px;line-height:1.2;font-weight:400;margin:0 0 14px}
.lesson p{font-size:18px;line-height:1.65;color:var(--muted);margin:0}
.lesson .example{font-size:15px;margin-top:14px;color:#c6d4e5}
.mini-board{display:grid;grid-template-columns:repeat(5,1fr);gap:4px;padding:18px;background:#10121677;border-radius:12px;border:1px solid #ffffff0d;transform:perspective(600px) rotateX(12deg);box-shadow:0 16px 25px #0002}
.mini-board span{aspect-ratio:1;background:linear-gradient(145deg,#797979,#55575b);border-radius:2px;border-bottom:3px solid #373a40;display:grid;place-items:center;font-size:25px;color:#a3bbdf;box-shadow:1px 2px 0 #080a0e}
.mini-board .active{background:#385985;border-color:#223a5b}
.mini-board .target{background:#9b5a40;border-color:#623a2b;color:#f4d8c0}
.mini-board .path{background:#57749970;border-color:#344e70}
.mini-board .raised{transform:translateY(-7px);border-bottom-width:9px;background:#91918c}
.mini-board .empty{opacity:.14}
.community-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;padding:43px 0}
.community-card>.icon,.community-card>[data-icon] .icon{width:35px;height:35px;color:#b4c6df}
.coming-soon{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.5px;color:#a1b5cf;border:1px solid #829ec23b;background:#48668c17;padding:7px 11px;border-radius:30px}
.community-note{padding:28px 30px;border:1px solid var(--line);border-radius:14px;display:flex;gap:20px;align-items:flex-start}
.community-note>.icon{width:29px;height:29px;color:#9eb5d3;margin-top:4px}
.community-note h2{font-size:25px;font-weight:400;margin:0 0 12px}
.community-note p{font-size:18px;line-height:1.6;margin:0;color:var(--muted)}
.text-link{color:var(--ink);text-decoration:underline;text-underline-offset:4px}
.text-link:hover{color:#adc4e4}

/* GSAP — lumière azur et cuivre, gestes courts et défilement natif. */
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.hero:before{content:'';position:absolute;inset:7% -1% 4% 32%;pointer-events:none;z-index:0;background:radial-gradient(ellipse closest-side at 64% 45%,#577eae1c,transparent 100%),radial-gradient(ellipse closest-side at 78% 65%,#b37a5012,transparent 100%);opacity:var(--aura-opacity,1)}
.reading-progress{position:fixed;inset:0 0 auto;height:2px;z-index:40;pointer-events:none;transform-origin:left;background:linear-gradient(90deg,#48668c,#a5c1e4 65%,#b88b6e);box-shadow:0 0 12px #7a9bc755}
.action-card,.rule-card,.community-card{position:relative;isolation:isolate}
.pointer-motion :is(.action-card,.rule-card,.community-card){--light-x:50;--light-y:50;--light-opacity:0;transform:perspective(1000px)}
.pointer-motion :is(.action-card,.rule-card,.community-card):before{content:'';position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:-1;opacity:var(--light-opacity);background:radial-gradient(400px circle at calc(var(--light-x)*1%) calc(var(--light-y)*1%),#9bbde51a,transparent 65%)}
.pointer-motion .action-card{transition:background .2s}
.pointer-motion .action-card:hover{transform:perspective(1000px)}
.pointer-motion .button{position:relative;isolation:isolate;transition:background .2s,border-color .2s}
.pointer-motion .button:before{content:'';position:absolute;inset:0;border-radius:inherit;background:linear-gradient(125deg,#ffffff12,transparent 55%);opacity:var(--sheen,0);pointer-events:none;z-index:-1}
.pointer-motion .button-primary:hover{transform:none}
.motion-enabled .information-dialog::backdrop{opacity:var(--backdrop-opacity,1)}
.page-transition{position:fixed;inset:0;z-index:100;background:radial-gradient(ellipse at 50% 75%,#293344,#17191d 65%);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;pointer-events:none;transform:scaleY(0);transform-origin:bottom}
.transition-wordmark{font-family:UnifrakturCook,Georgia,serif;font-size:clamp(48px,8vw,78px);letter-spacing:-2px;color:var(--ink)}
.transition-line{height:1px;width:64px;background:linear-gradient(90deg,#789ac4,#b38b6e)}
.is-navigating .page-transition{pointer-events:auto}
@media(max-width:900px){.main-navigation.menu-animating{display:flex;flex-direction:column;gap:0}.main-navigation[inert]{pointer-events:none}}
@media(max-width:650px){.hero:before{inset:35% 0 0}}

@media(min-width:1351px){.quick-links .action-card:nth-child(2){gap:21px;padding-left:28px;padding-right:22px}.quick-links .action-card:nth-child(2) .card-icon{width:71px}.quick-links .action-card:nth-child(2) .card-arrow{margin-left:-3px}.quick-links .action-card:nth-child(2) .card-copy>span:last-child{font-size:16px;white-space:nowrap}}

@media(min-width:1600px){.hero{min-height:610px}.board-surface{height:570px}.hero h1{font-size:116px}.hero-description{font-size:30px}.hero-copy{padding-left:25px}.quick-links{margin-top:65px}}
@media(max-width:1350px){.wide{width:calc(100% - 96px)}.header-inner{padding:0 10px}.brand-divider{margin-left:32px;margin-right:30px}.main-navigation{gap:23px}.main-navigation>a{font-size:18px}.account-actions{gap:12px;padding-left:22px}.account-actions .button{padding-left:20px;padding-right:20px;font-size:18px}.hero h1{font-size:92px}.hero-copy{padding-left:13px}.hero-description{font-size:25px}.hero-actions{gap:14px}.hero-actions .button{font-size:20px;padding:14px 21px}.hero-actions .button-outline{font-size:19px}.eyebrow{font-size:12px;letter-spacing:4px;gap:15px}.eyebrow>span{width:60px}.action-card{padding:25px 22px;gap:18px}.card-icon{width:62px;height:65px}.card-copy h2,.card-title{font-size:23px}.card-copy>span:last-child{font-size:16px}.social-links{margin-left:10px;padding-left:30px;gap:22px}.footer-links{gap:20px}.footer-links button{font-size:15px}.stats-row{gap:35px}.stat{font-size:22px}.stat strong{font-size:33px}}
@media(max-width:1100px){.wide{width:calc(100% - 64px)}.brand-divider{margin:0 23px}.main-navigation{gap:15px}.wordmark{font-size:43px}.account-actions{padding-left:17px}.account-actions .button{font-size:16px;padding:10px 16px}.hero{min-height:480px;grid-template-columns:45% 55%}.hero h1{font-size:82px}.hero-description{font-size:23px}.hero-copy{padding-left:0}.hero-actions{flex-wrap:wrap;margin-top:30px;gap:13px}.hero-actions .button{font-size:18px;padding:13px 19px;gap:12px}.hero-actions .button-outline{font-size:17px}.board-surface{height:460px}.hero-board{margin-right:-20px;margin-left:-28px}.eyebrow{font-size:11px;letter-spacing:3px}.eyebrow>span{width:40px}.stats-row{gap:25px}.stat{gap:15px;font-size:19px}.stat strong{font-size:30px}.quick-links{gap:17px;margin-top:45px}.action-card{padding:23px 17px;gap:13px;min-height:137px}.card-icon{width:49px;height:55px;border-radius:12px}.card-icon .icon{width:29px;height:29px}.card-copy h2,.card-title{font-size:21px;white-space:normal}.card-copy>span:last-child{font-size:15px}.card-arrow .icon{width:20px;height:20px}.site-footer{padding-left:0;padding-right:0;gap:25px}.footer-links{flex-wrap:wrap;justify-content:flex-start;column-gap:25px;row-gap:7px}.social-links{margin-left:0;padding-left:25px;gap:19px}.two-columns{gap:35px}.lesson{grid-template-columns:50px 1fr 210px;gap:20px}.community-card{padding:23px}}
@media(max-width:900px){.site-header{height:76px}.header-inner{padding:0;gap:0}.wordmark{font-size:43px}.brand-divider{display:none}.menu-toggle{display:flex;align-items:center;justify-content:center;margin-left:auto;width:42px;height:42px;padding:8px}.menu-toggle .icon{width:26px;height:26px}.account-actions{margin-left:18px;padding-left:0}.main-navigation{display:none;position:absolute;left:0;right:0;top:75px;height:auto;background:#1c1e22;border-bottom:1px solid var(--line);padding:16px 32px 24px;box-shadow:0 20px 35px #0005}.menu-toggle[aria-expanded=true]+.main-navigation{display:flex;flex-direction:column;gap:0}.main-navigation>a{padding:15px 10px;font-size:20px}.main-navigation>a:after{bottom:5px;left:10px;right:auto;width:45px;height:2px}.hero{min-height:450px;grid-template-columns:46% 54%}.hero h1{font-size:70px;letter-spacing:-3px}.hero-description{font-size:21px;line-height:1.3}.hero-actions{gap:12px;margin-top:26px}.hero-actions .button{font-size:18px}.hero-actions .button-outline{font-size:17px}.eyebrow{font-size:10px;letter-spacing:2.5px;gap:10px}.eyebrow>span{width:28px}.board-surface{height:400px}.board-caption{left:15%;right:3%;bottom:0;gap:8px}.demo-caption{font-size:10px;gap:5px}.caption-separator{display:none}.stat{font-size:18px;gap:12px}.stat strong{font-size:28px}.stats-row{gap:20px}.stat-divider{margin:0 3px}.stat>[data-icon] .icon{width:29px;height:29px}.quick-links{gap:14px}.action-card{flex-wrap:wrap;gap:17px;padding:23px 19px;align-content:start;min-height:200px;position:relative}.card-icon{width:50px;height:50px}.card-copy{flex-basis:100%;gap:7px}.card-copy h2,.card-title{font-size:21px}.card-copy>span:last-child{font-size:15px}.card-arrow{position:absolute;right:18px;top:38px}.desktop-break{display:none}.site-footer{margin-top:55px}.footer-links button{font-size:14px}.two-columns{grid-template-columns:1fr;gap:25px}.two-columns .terrain-image{max-width:650px;margin:auto}.rule-grid,.community-grid{gap:16px}.rule-card,.community-card{padding:22px}.rule-card h3,.community-card h2{font-size:24px}.rule-card p,.community-card p{font-size:17px}.piece-metrics{gap:13px;font-size:13px}.piece-metrics b{font-size:20px}.lesson{grid-template-columns:40px 1fr 185px;gap:18px}.lesson h2{font-size:26px}.lesson p{font-size:17px}.mini-board{padding:12px}.mini-board span{font-size:20px}.page-intro{padding-top:55px}.page-intro .lead{font-size:22px}}
@media(max-width:650px){.wide{width:calc(100% - 40px)}.site-header{height:71px}.wordmark{font-size:39px;letter-spacing:-1.5px}.account-actions{gap:9px;margin-left:10px}.account-actions .button{font-size:14px;padding:9px 13px;border-radius:9px}.account-actions .button-outline{display:none}.menu-toggle{width:37px}.main-navigation{top:70px;padding:13px 20px 22px}.mobile-account{display:flex;gap:24px;padding:20px 10px 0;margin-top:10px;border-top:1px solid var(--line);font-size:17px}.hero{display:flex;flex-direction:column;align-items:stretch;min-height:0;padding-top:47px}.hero-copy{margin:0;padding:0 5px}.eyebrow{font-size:10px;letter-spacing:3px;gap:13px}.eyebrow>span{width:42px}.hero h1{font-size:73px;letter-spacing:-3.8px;margin:19px 0 15px}.hero-description{font-size:22px;line-height:1.35;max-width:390px}.hero-actions{margin-top:28px;flex-wrap:nowrap;gap:11px}.hero-actions .button{font-size:17px;padding:13px 17px;border-radius:11px;gap:13px}.hero-actions .button-primary{padding-right:15px;padding-left:17px}.hero-actions .button-outline{font-size:16px;padding-left:15px;padding-right:15px}.hero-actions .icon{width:19px;height:19px}.hero-board{margin:5px -12px 0;height:302px}.board-surface{height:291px;mask-image:radial-gradient(ellipse 76% 73% at 50% 48%,#000 56%,transparent 100%)}.board-caption{left:10%;right:8%;bottom:-4px;font-size:10px}.demo-caption{font-size:10px}.caption-separator{display:block}.statistics{padding:0;margin-top:28px}.stats-row{gap:14px}.stat{font-size:15px;gap:10px}.stat strong{font-size:25px;letter-spacing:-.8px;margin-right:2px}.stat>[data-icon] .icon{width:25px;height:25px}.stat-line{display:none}.stat-divider{height:30px;margin:0 7px}.demo-notice{font-size:9px;margin-top:13px}.quick-links{grid-template-columns:1fr;gap:14px;margin-top:33px}.action-card{flex-wrap:nowrap;align-items:center;min-height:117px;padding:23px;gap:21px;border-radius:13px}.card-icon{width:58px;height:59px;border-radius:13px}.card-icon .icon{width:30px;height:30px}.card-copy{flex-basis:auto;gap:7px}.card-copy h2,.card-title{font-size:23px}.card-copy>span:last-child{font-size:16px;max-width:230px}.card-arrow{position:static;margin-left:auto}.card-arrow .icon{width:22px;height:22px}.site-footer{flex-direction:column;align-items:stretch;margin-top:43px;padding:25px 4px 30px;gap:27px}.footer-links{column-gap:22px;row-gap:4px;justify-content:center}.footer-links button{font-size:13px;padding:8px 0}.social-links{border-left:0;border-top:1px solid #ffffff0d;padding:23px 0 0;justify-content:center;gap:32px}.social-links .icon{width:24px;height:24px}.information-dialog{padding:37px 25px 27px}.information-dialog h2{font-size:31px;margin-top:25px}.information-dialog p:not(.eyebrow){font-size:17px}.page-intro{padding:47px 4px 35px}.page-intro h1{font-size:51px;letter-spacing:-1.7px;margin:22px 0}.page-intro .lead{font-size:20px;line-height:1.5}.page-intro .eyebrow{font-size:10px;letter-spacing:3px}.editorial-section{padding:33px 4px}.section-heading{font-size:31px}.editorial-section p{font-size:18px}.rule-grid,.community-grid{grid-template-columns:1fr;gap:17px}.rule-card{display:grid;grid-template-columns:86px 1fr;gap:0 18px;padding:24px}.rule-card .piece-art{grid-row:1/4;height:100%;min-height:140px}.rule-card h3{margin:0 0 12px}.rule-card p{margin-bottom:15px}.piece-metrics{grid-column:2}.piece-shape{transform:scale(.86)}.rule-callout{padding-left:17px}.rule-callout p{font-size:19px}.page-cta{flex-direction:column;align-items:flex-start;gap:22px;padding:33px 4px 0}.page-cta p{font-size:22px}.page-cta .button{font-size:18px}.lesson-index{gap:8px;margin-top:23px}.lesson-index a{padding:9px 13px;font-size:13px}.lesson{grid-template-columns:31px 1fr;gap:14px;padding:31px 4px}.lesson-number{font-size:28px}.lesson h2{font-size:26px}.lesson p{font-size:17px}.lesson .mini-board{grid-column:2;width:210px;justify-self:start;margin-top:12px}.lesson .example{font-size:15px}.community-grid{padding:30px 4px}.community-card{padding:27px}.community-card h2{font-size:27px}.community-card p{font-size:18px}.community-note{padding:23px;gap:16px}.community-note h2{font-size:24px}.community-note p{font-size:17px}.page-main+.site-footer{margin-top:45px}}
@media(max-width:370px){.wide{width:calc(100% - 32px)}.hero-copy{padding:0}.hero h1{font-size:66px}.hero-description{font-size:21px}.hero-actions{gap:9px}.hero-actions .button{font-size:16px;padding:13px}.hero-actions .button-outline{font-size:15px;padding:13px 12px}.stat{font-size:13px;gap:8px}.stat strong{font-size:23px}.stats-row{gap:10px}.stat-divider{margin:0 2px}.action-card{gap:16px;padding:21px 18px}.card-copy h2,.card-title{font-size:21px}.card-copy>span:last-child{font-size:15px}.card-icon{width:51px;height:55px}}
@media(max-width:650px){.hero-board{align-self:stretch}.hero-actions .button-primary{font-size:16px;gap:8px;padding-left:14px;padding-right:14px}.hero-actions .button-outline{font-size:15px;padding-left:12px;padding-right:12px}.stat>span:last-child{display:flex;flex-direction:column;align-items:flex-start;gap:2px}.stats-row{gap:12px}.stat strong{margin-right:0}.stat-divider{height:36px}}
@media(max-width:370px){.hero-actions{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}
.language-switcher{display:flex;align-items:center;gap:7px;margin-left:18px;flex-shrink:0}
.language-switcher svg{display:block;width:20px;height:20px;flex-shrink:0}
.language-switcher select{width:112px;min-height:40px;padding:6px 4px;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px;font:inherit;font-size:14px;cursor:pointer}
.language-switcher select:focus-visible{outline:2px solid #9cb7dc;outline-offset:3px}
@media(min-width:1101px){.header-inner{padding-left:0;padding-right:0}.brand-divider{margin-left:24px;margin-right:24px}.main-navigation{gap:18px}.account-actions{gap:10px;padding-left:18px}.account-actions .button{padding-left:16px;padding-right:16px}.language-switcher{margin-left:14px}}
@media(min-width:1101px) and (max-width:1200px){.brand-divider{margin-left:14px;margin-right:14px}.main-navigation{gap:8px}.main-navigation>a{font-size:16px}.account-actions{padding-left:10px}.account-actions .button{font-size:15px;padding-left:10px;padding-right:10px}.language-switcher{margin-left:10px}.language-switcher select{width:95px}}
@media(max-width:1100px){.language-switcher{order:1;margin-left:auto}.menu-toggle{order:3;margin-left:12px}.account-actions{order:2}.main-navigation{order:4}}
@media(max-width:650px){.header-inner .account-actions{display:none}.language-switcher{gap:5px}.language-switcher select{width:105px;font-size:13px}.language-switcher svg{width:18px;height:18px}.header-inner .menu-toggle{margin-left:8px}.hero-actions .button{white-space:normal}.hero-actions{flex-wrap:wrap}.stat{white-space:normal}.card-copy h2,.card-title{white-space:normal}}
@media(max-width:370px){.header-inner .wordmark{font-size:34px}.language-switcher select{width:92px}.header-inner .menu-toggle{flex-shrink:0}}
@media(min-width:901px) and (max-width:1100px){.site-header{height:76px}.header-inner{padding:0}.brand-divider{display:none}.menu-toggle{display:flex;align-items:center;justify-content:center;width:42px;height:42px;padding:8px}.menu-toggle .icon{width:26px;height:26px}.account-actions{margin-left:18px;padding-left:0}.main-navigation{display:none;position:absolute;left:0;right:0;top:75px;height:auto;background:#1c1e22;border-bottom:1px solid var(--line);padding:16px 32px 24px;box-shadow:0 20px 35px #0005}.menu-toggle[aria-expanded=true]+.main-navigation{display:flex;flex-direction:column;gap:0}.main-navigation>a{padding:15px 10px;font-size:20px}.main-navigation>a:after{bottom:5px;left:10px;right:auto;width:45px;height:2px}}