.marketing-site{--grass: var(--brand-lime);--grass-bright: var(--brand-lime-hover);--grass-ink: var(--brand-ink);--color-sunwash: color-mix(in srgb, var(--grass) 10%, var(--color-surface));--color-primary: var(--grass);--color-primary-hover: var(--grass-bright);--color-accent: #e4e3dc;--color-accent-hover: #fff;--color-accent-ink: var(--grass-ink);--color-bg: #151614;--color-surface: #1d1e1b;--color-surface-2: #252622;--color-surface-offset: #20211e;--color-text: #f2f1ec;--color-text-muted: #b8bab1;--color-text-faint: #9c9f94;--color-border: #373a32;--color-divider: #30332d;--color-stage: #20211e;--color-stage-2: #292b25;--color-stage-line: #3d4036;--radius-xl: 30px;--content-wide: 1320px;--nav-h: 74px;background:var(--color-bg);color:var(--color-text);font-family:var(--font-sans)}[data-theme=light] .marketing-site{--color-bg: #fff;--color-surface: #fff;--color-surface-2: #f6faf7;--color-surface-offset: #eef7f1;--color-text: #253729;--color-text-muted: #637166;--color-text-faint: #6b786e;--color-border: #dce8df;--color-divider: #e5eee7;--color-accent: #42473b;--color-accent-hover: #20221e;--color-hero-title: #253729;--color-hero-subtitle: #637166;--color-stage: #f6faf7;--color-stage-2: #fff;--color-stage-line: #dce5d5}.marketing-site .container{padding-inline:clamp(22px,5.8vw,76px)}.marketing-site .section{padding-block:clamp(68px,9vw,120px)}.marketing-site .t-display{font-weight:650;letter-spacing:-.055em;font-size:clamp(42px,5.5vw,78px)}.marketing-site .t-headline{font-weight:620;letter-spacing:-.045em;font-size:clamp(32px,3.7vw,52px);line-height:1.1}.marketing-site .t-subhead{font-weight:620;letter-spacing:-.03em}.marketing-site .btn{font-weight:550;transition-duration:.2s}.marketing-site .btn-primary:hover{box-shadow:0 5px 18px -9px #7d9b0073}.marketing-site :is(.home-intro-details,.practice-hero) .btn-primary{background:var(--grass);color:var(--grass-ink)}.marketing-site :is(.home-intro-details,.practice-hero) .btn-primary:hover{background:var(--grass-bright)}.marketing-site .btn-lg{min-height:52px;padding:14px 24px;font-size:15px}.marketing-site .btn-primary{box-shadow:inset 0 1px #ffffff52}.marketing-site .btn-primary>svg{padding:3px;width:24px;height:24px;border-radius:50%;background:#ffffff52;flex-shrink:0}.marketing-site .btn-outline{background:transparent;border-color:var(--color-border)}.marketing-site .card{box-shadow:none}.marketing-site .card:hover{transform:none;box-shadow:none}.marketing-site [id]{scroll-margin-top:100px}.marketing-site .stat-value{font-variant-numeric:tabular-nums}.marketing-site .input{border-radius:14px;min-height:52px;background:var(--color-surface-2)}.marketing-site .input:focus{border-color:var(--grass);box-shadow:0 0 0 3px var(--color-sunwash)}.marketing-site textarea.input{min-height:160px}.skip-content{position:fixed;top:-100px;left:24px;z-index:300;padding:12px 20px;background:var(--color-primary);color:var(--color-accent-ink);border-radius:16px}.skip-content:focus{top:16px}.marketing-site .announce{background:var(--color-surface-2);border-color:var(--color-divider)}.marketing-site .announce-inner{justify-content:center;min-height:38px}.marketing-site .announce-link{justify-content:center;gap:12px;font-size:12px}.marketing-site .announce-link .pill-mark{width:8px;height:16px}.marketing-site .announce .badge-soft{font-size:9px}.marketing-site .announce-close{margin-inline-start:auto}.site-nav{height:74px;position:sticky;top:0;z-index:100;background:color-mix(in srgb,var(--color-bg) 88%,transparent);-webkit-backdrop-filter:blur(22px) saturate(160%);backdrop-filter:blur(22px) saturate(160%);border-bottom:1px solid var(--color-divider)}.site-nav-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:25px}.site-brand{display:inline-flex;align-items:center;gap:10px;color:var(--color-text);text-decoration:none;flex-shrink:0}.site-brand img{width:14px;height:28px}.site-brand>span{font-size:17px;font-weight:760;letter-spacing:-.06em}.brand-dot{color:var(--grass)}.site-nav-links{display:flex;align-items:center;gap:clamp(14px,1.6vw,23px)}.nav-link,.nav-more summary{font-size:12px;font-weight:500;text-decoration:none;color:var(--color-text-muted);white-space:nowrap;transition:color .16s var(--ease-out-expo)}.nav-link[aria-current=page],.nav-link:hover,.nav-more summary:hover{color:var(--color-accent)}.nav-link[aria-current=page]{font-weight:700;text-decoration:underline;text-decoration-color:var(--grass);text-decoration-thickness:3px;text-underline-offset:7px}.nav-more{position:relative}.nav-more summary{cursor:pointer;display:flex;gap:4px;align-items:center;list-style:none;min-height:44px}.nav-more summary::-webkit-details-marker{display:none}.nav-more-panel{position:absolute;top:45px;right:-18px;padding:16px;min-width:230px;border:1px solid var(--color-border);background:var(--color-surface);border-radius:20px;box-shadow:var(--shadow-md);display:grid;gap:3px}.nav-more-panel a{padding:12px;border-radius:8px}.nav-more-panel a:hover{background:var(--color-surface-2)}.site-nav-actions{display:flex;align-items:center;gap:10px}.nav-account{color:var(--color-text-muted);font-size:12px;text-decoration:none}.marketing-site .site-nav .btn-sm{min-height:36px;padding:8px 16px;font-size:12px}.nav-icon{display:inline-flex;align-items:center;justify-content:center;width:36px;height:44px;border:0;border-radius:50%;background:transparent;color:var(--color-text);cursor:pointer}.nav-icon:active{transform:scale(.97)}.marketing-site .site-nav .lang-toggle{font-size:11px}.nav-mobile-toggle{display:none}.nav-scrim{position:fixed;inset-inline:0;bottom:0;z-index:110;background:#00000040;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:flex;justify-content:flex-end}.nav-mobile-panel{width:min(460px,100%);background:var(--color-bg);overflow-y:auto;overscroll-behavior:contain;padding:16px 28px 36px}.nav-mobile-head{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--color-text-muted)}.nav-mobile-links{display:grid;padding-block:12px 24px}.nav-mobile-links .nav-link{font-size:21px;min-height:46px;display:flex;align-items:center;letter-spacing:-.03em}.nav-mobile-panel>.btn{width:100%}.home-intro{padding-top:clamp(60px,6vw,86px)}.home-intro-copy{display:grid;grid-template-columns:1.55fr .8fr;align-items:center;gap:clamp(40px,5vw,70px)}.home-intro-copy>*{min-width:0}.home-intro h1{font-size:clamp(48px,5.1vw,74px);font-weight:580;letter-spacing:-.06em;line-height:1.06;margin:0;text-wrap:balance}.home-intro h1 span{color:inherit;text-decoration:underline;text-decoration-color:var(--grass);text-decoration-thickness:.055em;text-underline-offset:.1em;text-decoration-skip-ink:none}.home-intro-lead{max-width:47ch;margin:0;font-size:clamp(16px,1.3vw,19px);line-height:1.65;color:var(--color-text-muted);text-wrap:pretty}.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:28px}.home-intro .hero-actions{align-items:flex-start;flex-direction:column;gap:12px}.home-intro .hero-actions .btn-outline{border:0;background:none;padding:6px 0;min-height:32px;justify-content:flex-start}.home-intro-details .btn-lg{font-size:13px;padding-inline:19px;min-height:48px}.hero-trust{display:flex;align-items:center;justify-content:flex-start;flex-wrap:wrap;gap:8px 24px;margin-top:20px;color:var(--color-text-muted);font-size:11px}.hero-trust a{color:var(--color-accent);text-decoration:none}.home-book-stage{position:relative;overflow:hidden;border-radius:28px;border:1px solid var(--color-divider);background:var(--color-surface-2);color:var(--color-text);margin-top:60px}.home-book-stage:before{content:"";position:absolute;width:52%;aspect-ratio:1;border-radius:50%;background:var(--color-sunwash);top:6%;right:-2%;pointer-events:none}.home-book-meta{position:relative;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding:26px 42px 0;font-size:10px;color:var(--color-text-muted);font-weight:600}.home-book-grid{position:relative;z-index:1;display:grid;grid-template-columns:.84fr 1.25fr;gap:50px;padding:18px 38px 44px 62px;align-items:center}.home-book-duo{grid-column:2;grid-row:1;min-height:490px}.home-book-copy{grid-column:1;grid-row:1}.marketing-site .home-book-duo:before{inset:auto 10% 16px;height:40px;border-radius:50%;background:color-mix(in srgb,var(--color-text) 13%,transparent);filter:blur(22px)}.book-display-word{position:absolute;inset:-10px -4% auto;text-align:center;font-size:clamp(120px,19vw,270px);font-weight:750;letter-spacing:-.08em;line-height:1;color:color-mix(in srgb,var(--color-text) 5%,transparent)}.marketing-site .home-book-duo .book{width:clamp(170px,18.4vw,264px);border-radius:4px;transition-duration:.24s}.home-book-duo .book-duo-badge{top:25px;right:2px;background:var(--grass);color:var(--grass-ink);box-shadow:none;font-size:9px;transform:none}.home-book-copy h2{font-size:clamp(30px,3.1vw,44px);font-weight:580;letter-spacing:-.045em;line-height:1.1;max-width:13ch;margin:0 0 20px}.home-book-copy>p{font-size:16px;margin-bottom:6px}.home-book-pages{font-size:12px;opacity:.85}.home-book-copy .price-row{margin-block:24px}.home-book-copy .price-main{color:var(--color-text);font-size:28px}.home-book-copy .price-side{color:var(--color-text-muted);font-size:12px}.home-book-more{display:block;margin-top:18px;font-size:13px;font-weight:550;color:var(--color-text);text-decoration:none}.home-explore{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;border-bottom:1px solid var(--color-divider);padding-block:30px;margin-bottom:100px}.home-explore a{display:flex;align-items:center;justify-content:space-between;padding:6px 20px;font-size:13px;text-decoration:none;color:var(--color-text);border-right:1px solid var(--color-divider)}.home-explore a:last-child{border-right:0}.home-explore svg{width:28px;height:28px;padding:6px;border-radius:50%;background:var(--color-sunwash);color:var(--color-text);flex-shrink:0}.marketing-site #demo>.container>div:first-child{max-width:none!important;display:grid;grid-template-columns:1.05fr .9fr;gap:60px;align-items:end;margin-bottom:40px!important}.marketing-site #demo .t-headline{max-width:23ch;margin-bottom:0!important}.marketing-site #demo>.container>div:first-child>p{max-width:54ch;font-size:16px}.marketing-site .pro-card{border-color:var(--color-border)!important;background:var(--color-surface-2)!important;border-radius:32px!important;padding:clamp(28px,4.5vw,58px)!important}.find-pro-check{color:var(--grass-ink)}.find-pro-check>path:first-child{fill:var(--grass);stroke:var(--grass)}.practice-page-link{color:var(--color-accent);font-weight:550;font-size:13px;display:inline-flex;align-items:center;gap:8px;text-decoration:none}.marketing-site .news-card{box-shadow:none!important;background:var(--color-surface-2)!important;border:none!important}.marketing-site .final-cta{--color-primary: var(--grass);--color-primary-hover: var(--grass-bright);--color-accent-ink: var(--grass-ink);margin-block:12px 0;padding-block:clamp(64px,7vw,100px)!important;background:var(--color-surface-offset);color:var(--color-text);text-align:center;border:1px solid var(--color-border);border-radius:28px}.marketing-site .final-cta:before{content:"";display:block;width:34px;height:42px;margin:0 auto 26px;border-radius:4px 80%;background:var(--grass);transform:rotate(-18deg)}.marketing-site .final-cta .t-headline{font-size:clamp(38px,5vw,68px);font-weight:580}.marketing-site .final-cta .btn-ghost{color:var(--color-text)}.marketing-site .final-cta p{margin-inline:auto}.marketing-site .final-cta>div{justify-content:center}.page-intro{padding-block:clamp(64px,8vw,112px);background:var(--color-bg);border-bottom:1px solid var(--color-divider)}.page-intro-grid{display:grid;grid-template-columns:1.12fr .88fr;align-items:center;gap:clamp(40px,7vw,90px)}.page-intro h1{font-size:clamp(46px,5.8vw,80px);font-weight:620;line-height:1.035;letter-spacing:-.06em;margin:0 0 24px}.page-intro-lead{font-size:19px;color:var(--color-text-muted);line-height:1.6;max-width:52ch}.page-intro-copy .hero-actions{gap:14px 20px}.page-intro-copy .hero-actions .link-blue{font-size:13px}.intro-object{position:relative;display:flex;align-items:center;justify-content:center;min-height:330px}.intro-courses{perspective:1000px;isolation:isolate}.intro-courses:before{content:"";position:absolute;inset:5%;border-radius:50%;background:var(--color-sunwash);z-index:-1}.course-notebook{width:300px;min-height:334px;padding:30px 34px;color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);border-radius:7px 22px 22px 7px;border-left:12px solid var(--grass);box-shadow:8px 8px 0 -2px #ecedde,9px 9px 0 -2px #c4c7b7,18px 28px 35px -20px #12300d59;transform:rotate(-7deg)}.course-notebook strong{display:block;white-space:pre-line;font-size:28px;line-height:1.12;letter-spacing:-.05em;font-weight:650;margin-block:24px}.course-notebook>div{display:grid;gap:13px}.course-notebook>div>span{display:flex;align-items:center;gap:9px;font-size:11px}.course-notebook i{font-style:normal;display:grid;place-items:center;width:22px;height:22px;border:1px solid var(--color-border);border-radius:50%;font-size:9px;background:var(--grass);color:var(--grass-ink);border-color:transparent}.intro-certificate{flex-direction:column;gap:26px}.certificate-rim{width:258px;height:258px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;border:1px solid var(--color-border);border-radius:50%;outline:1px solid var(--color-border);outline-offset:10px;background:var(--color-surface-2);color:var(--color-text);box-shadow:inset 0 0 0 12px var(--color-surface-2),inset 0 0 0 13px var(--color-border),0 28px 45px -35px #14190c3d}.certificate-rim>svg{background:var(--grass);color:var(--grass-ink);padding:12px;border-radius:50%}.certificate-rim span{font-size:40px;letter-spacing:.16em;margin-left:.16em;font-weight:600}.intro-certificate p{font-size:12px;color:var(--color-text-muted)}.intro-about{flex-direction:column;min-height:340px;isolation:isolate}.intro-about>span{font-size:118px;font-weight:750;letter-spacing:-.09em;color:var(--color-text)}.intro-about b{color:var(--grass)}.intro-about p{font-size:12px;color:var(--color-text-muted);max-width:24ch;text-align:center}.about-orbit{position:absolute;width:280px;height:280px;border:1px solid var(--color-border);border-radius:50%;transform:rotate(-28deg) scaleX(1.25);z-index:-1}.about-orbit:after{content:"";position:absolute;width:30px;height:30px;border-radius:50%;background:var(--grass);top:25px;right:10px}.intro-contact{isolation:isolate;flex-direction:column;font-size:240px;font-weight:580;letter-spacing:-.08em;line-height:1.05;color:var(--color-text)}.intro-contact:before{content:"";position:absolute;width:42px;height:42px;right:20%;top:10%;border-radius:50%;background:var(--grass);z-index:-1}.intro-contact span{font-size:13px;letter-spacing:0;margin-top:12px;color:var(--color-text-muted)}.intro-app{min-height:380px;flex-direction:column}.mini-window{width:420px;max-width:100%;border-radius:15px;border:1px solid var(--color-border);background:var(--color-surface);box-shadow:0 35px 55px -28px #11280c40;transform:perspective(900px) rotateY(-8deg) rotate(3deg);overflow:hidden}.mini-window-bar{display:flex;align-items:center;gap:5px;padding:15px;border-bottom:1px solid var(--color-divider)}.mini-window-bar i{width:5px;height:5px;border-radius:50%;background:var(--color-border)}.mini-window-bar span{font-size:9px;margin-left:auto;font-weight:700}.mini-window-body{display:grid;grid-template-columns:54px 1fr;min-height:265px}.mini-sidebar{background:var(--color-surface-2);border-right:1px solid var(--color-divider);display:flex;flex-direction:column;padding:25px 17px;gap:24px}.mini-sidebar i{width:18px;height:18px;border:1px solid var(--color-text-faint);border-radius:5px}.mini-sidebar i:first-child{background:var(--grass);border-color:var(--grass)}.mini-workspace{padding:24px}.mini-workspace strong{font-size:28px;letter-spacing:-.05em;font-weight:600;line-height:1.15}.mini-workspace strong span{color:var(--color-accent)}.mini-people{display:flex;padding-block:20px 16px}.mini-people i{font-style:normal;border-radius:50%;width:32px;height:32px;display:grid;place-items:center;font-size:11px;color:var(--color-accent);border:3px solid var(--color-surface);background:var(--color-surface-offset);margin-right:-5px}.mini-lines{display:grid;gap:9px}.mini-lines i{width:100%;height:6px;border-radius:4px;background:var(--color-surface-offset)}.mini-lines i:last-child{width:63%}.object-note{display:block;font-size:11px;color:var(--color-text-muted);margin-top:24px}.app-beta-note{margin-top:24px}.app-beta-note>p{color:var(--color-text-muted);font-size:12px;line-height:1.6;margin-top:10px}.marketing-site .books-stage{background:var(--color-surface-2);border:0;padding-block:clamp(68px,8vw,112px)!important}.marketing-site .books-stage:before,.marketing-site .books-stage:after{display:none}.marketing-site .books-hero>.book-duo{background:var(--color-surface-offset);border:1px solid var(--color-border);border-radius:50%;min-height:430px}.marketing-site .books-hero>.book-duo .book{width:clamp(160px,18vw,235px)}.marketing-site .books-hero .book-duo-badge{top:10px;right:0;font-size:10px}.marketing-site .volume-card{border-radius:28px;background:var(--color-surface-2);box-shadow:none;padding:clamp(26px,4vw,48px)}.marketing-site .volume-card--new{background:var(--color-surface-offset)}.marketing-site .volume-card .t-card-title{font-size:clamp(25px,2.8vw,36px);letter-spacing:-.04em;line-height:1.12}.marketing-site .cert-level{border-radius:26px;padding:clamp(28px,4vw,48px)}.marketing-site .cert-level--featured{background:var(--color-surface-offset);border-color:var(--grass)}.marketing-site .cert-level--featured :is(.cert-level-title,.cert-level-price){color:var(--color-text)}.marketing-site .cert-level--featured :is(.cert-level-desc,.cert-level-sub){color:var(--color-text-muted)}.marketing-site .app-feature-row h3{font-size:20px!important;letter-spacing:-.025em}.marketing-site .app-feature-row{padding-block:28px!important}.practice-hero{padding-block:clamp(56px,7vw,92px);background:var(--color-bg);border-bottom:1px solid var(--color-divider);overflow:clip}.practice-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:40px}.practice-hero h1{font-size:clamp(46px,5.7vw,78px);line-height:1.025;letter-spacing:-.06em;font-weight:630;white-space:pre-line;margin-bottom:26px}.practice-hero p{font-size:18px;color:var(--color-text-muted);line-height:1.6;max-width:50ch}.practice-hero .hero-actions{align-items:flex-start;flex-direction:column}.practice-hero .link-blue{font-size:13px}.practice-hero-note{display:flex;gap:8px;align-items:center;font-size:12px;color:var(--color-text-muted);margin-top:24px}.practice-hero-book{background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:50%;position:relative;aspect-ratio:1}.practice-hero-book:after{content:"";position:absolute;top:9%;right:10%;width:24px;height:24px;border-radius:50%;background:var(--grass)}.practice-hero-book .practice-book{position:absolute;inset:-6%;width:112%;height:112%}.section-heading{display:flex;justify-content:space-between;gap:40px;align-items:flex-end;margin-bottom:48px}.section-heading h2{font-size:clamp(34px,4vw,54px);letter-spacing:-.05em;line-height:1.08;font-weight:620;white-space:pre-line;max-width:23ch;margin:0}.section-heading>p{max-width:36ch;color:var(--color-text-muted);font-size:16px;line-height:1.65;margin:0}.practice-start{background:var(--color-surface-2)}.practice-steps{padding:0;margin:0 0 40px;list-style:none}.practice-steps li{display:grid;grid-template-columns:64px .9fr 1.1fr;gap:24px;align-items:baseline;padding-block:28px;border-top:1px solid var(--color-divider)}.practice-steps li>span{display:grid;place-items:center;width:36px;height:36px;font-size:12px;font-family:var(--font-mono);color:var(--grass-ink);background:var(--grass);border-radius:50%}.practice-steps h3{margin:0;font-size:23px;line-height:1.2;letter-spacing:-.03em;font-weight:600}.practice-steps p{color:var(--color-text-muted);font-size:15px;line-height:1.6;margin:0}.tools-section{background:var(--color-bg)}.tools-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:20px}.tool-tile{position:relative;overflow:hidden;display:block;text-decoration:none;color:var(--color-text);border-radius:24px;border:1px solid var(--color-divider);padding:clamp(28px,4vw,48px);background:var(--color-surface-2);min-height:270px;transition:transform .22s var(--ease-out-expo)}.tool-top{display:flex;gap:16px;align-items:center;margin-bottom:32px}.tool-top>svg:first-child{width:42px;height:42px;padding:10px;border-radius:14px;background:var(--color-sunwash)}.tool-arrow{margin-left:auto;width:32px;height:32px;padding:7px;border:1px solid var(--color-border);border-radius:50%}.tool-tile h3{font-size:clamp(26px,3vw,38px);letter-spacing:-.04em;font-weight:620;line-height:1.1;margin:0 0 16px}.tool-tile p{color:var(--color-text-muted);font-size:15px;max-width:43ch;margin:0;line-height:1.6}.tool-link{display:inline-block;margin-top:26px;font-size:13px;font-weight:550}.tool-friends{background:var(--color-surface-2);color:var(--color-text)}.tool-friends p{color:var(--color-text-muted)}.tool-ai{background:var(--color-surface-offset);color:var(--color-text)}.tool-ai p{color:var(--color-text-muted)}.tool-ai .tool-top{color:var(--color-text)}.tool-status{padding:5px 10px;border:1px solid var(--color-border);border-radius:20px;font-size:10px}.tool-practice .tool-top,.tool-personal .tool-top{margin-bottom:28px;color:var(--color-accent)}.tool-practice h3,.tool-personal h3{font-size:clamp(24px,2.6vw,32px)}.tool-practice,.tool-personal{background:var(--color-bg)}.tool-art{height:195px;position:relative;margin:-12px auto 36px;width:min(300px,100%)}.friend-sheet{position:absolute;width:146px;height:174px;left:calc(50% - 73px);top:0;background:var(--color-surface);border:1px solid var(--color-border);border-radius:8px;transform:rotate(-9deg);box-shadow:0 20px 32px -22px #14190c5c;padding:100px 22px 20px}.friend-sheet:before{content:"";position:absolute;top:-1px;right:20px;width:17px;height:50px;background:var(--grass);clip-path:polygon(0 0,100% 0,100% 100%,50% 84%,0 100%)}.friend-sheet span{display:block;height:3px;margin-bottom:10px;border-radius:2px;background:var(--color-border)}.friend-sheet span:last-child{width:65%}.tool-art-friends>i{position:absolute;width:60px;height:60px;border-radius:50%;border:1px solid var(--color-border);background:var(--color-surface);top:40px;box-shadow:0 8px 18px -12px #14190c42}.tool-art-friends>i:nth-child(2){left:8px;top:70px}.tool-art-friends>i:nth-child(3){left:calc(50% - 30px);background:var(--grass);border-color:var(--grass);--color-text-muted: var(--grass-ink)}.tool-art-friends>i:nth-child(4){right:8px;top:90px}.tool-art-friends>i:before{content:"";position:absolute;width:12px;height:12px;border:1px solid var(--color-text-muted);border-radius:50%;top:13px;left:23px}.tool-art-friends>i:after{content:"";position:absolute;width:27px;height:14px;border:1px solid var(--color-text-muted);border-radius:18px 18px 6px 6px;bottom:13px;left:15px}.tool-art-ai{display:grid;place-items:center}.tool-art-ai i{position:absolute;width:170px;height:170px;border:1px solid color-mix(in srgb,var(--color-text) 25%,transparent);border-radius:50%;transform:rotate(35deg) scaleX(.6)}.tool-art-ai i:nth-child(2){transform:rotate(-35deg) scaleX(.6)}.tool-art-ai i:nth-child(3){transform:rotate(90deg) scaleX(.6)}.tool-art-ai:after{content:"";position:absolute;width:15px;height:15px;border-radius:50%;background:var(--grass);top:37px;right:73px;box-shadow:0 0 0 6px #c6df000f}.tool-art-ai>svg{color:var(--grass-ink);background:var(--grass);border-radius:26px;width:68px;height:68px;padding:17px}.marketing-site .stats-grid .stat-value{font-family:var(--font-sans);font-size:clamp(34px,3.9vw,52px)!important;font-weight:550!important;letter-spacing:-.055em!important}@media(hover:hover)and (prefers-reduced-motion:no-preference){.tool-tile:hover{transform:translateY(-4px)}}.tool-tile:active{transform:scale(.97)}.marketing-site .site-footer{background:var(--color-surface-2)!important}.footer-grid{display:grid;grid-template-columns:1.05fr 1.45fr 1fr .8fr .95fr;gap:32px 24px}.footer-brand{grid-column:1 / -1;display:flex;align-items:center;gap:15px;padding-bottom:32px;border-bottom:1px solid var(--color-divider);margin-bottom:8px}.footer-brand>a{margin-bottom:0!important}.footer-brand img{height:34px!important}.footer-wordmark{font-size:27px;letter-spacing:-.06em;font-weight:700}.footer-brand p{margin-left:auto;font-size:12px!important}.footer-grid h4{font-size:12px!important}.footer-grid a{font-size:12px!important;line-height:1.55}.footer-grid>div:last-child{grid-column:1 / -1}.footer-grid a:hover{color:var(--color-accent)!important}.marketing-site .spec-head{max-width:1040px;padding-top:70px}.marketing-site .spec-head h1,.marketing-site .cat-head h1{font-size:clamp(40px,5.5vw,72px);letter-spacing:-.055em;font-weight:620;line-height:1.05}.marketing-site .spec-boundary{border-radius:24px}.marketing-site .spec-section h2{letter-spacing:-.035em}.marketing-site .spec-term{border-radius:18px}.marketing-site .page-legal>section:first-child{background:var(--color-surface-2)}.marketing-site .page-legal h1{letter-spacing:-.05em;overflow-wrap:anywhere;-webkit-hyphens:auto;hyphens:auto}@media(max-width:1180px){.site-nav-links{gap:12px}.nav-account{display:none}.site-nav-inner{gap:18px}}@media(max-width:1040px){.site-nav-links{display:none}.nav-mobile-toggle{display:inline-flex}.home-intro-copy{grid-template-columns:1fr;gap:30px}.home-intro h1{max-width:900px}.home-intro-details{display:grid;grid-template-columns:1.2fr 1fr;gap:0 30px;align-items:start}.home-intro .hero-actions{margin-top:0}.home-intro .hero-trust{grid-column:1 / -1}.home-book-grid{gap:28px;padding-inline:30px}.home-book-duo{min-height:390px}.marketing-site .home-book-duo .book{width:190px}.home-book-copy .btn{font-size:13px;padding-inline:18px}.page-intro-grid{gap:35px}}@media(max-width:900px){.marketing-site{--nav-h: 64px}.site-nav{height:64px}.home-intro h1{max-width:850px}.home-book-grid{grid-template-columns:.95fr 1fr}.home-book-duo{min-height:340px}.marketing-site .home-book-duo .book{width:150px}.marketing-site #demo>.container>div:first-child{grid-template-columns:1fr;gap:20px}.home-book-copy .price-row{flex-wrap:wrap;gap:4px 14px}.home-book-copy .price-main{font-size:24px}.section-heading{flex-direction:column;align-items:start;gap:22px}.page-intro-grid{grid-template-columns:minmax(0,1fr)}.page-intro-copy{max-width:700px}.page-intro-lead{max-width:58ch}.intro-object{width:min(480px,100%);justify-self:center}.marketing-site .books-hero>.book-duo{width:min(430px,100%);min-height:380px;order:0;justify-self:center;margin-top:25px}.practice-hero-grid{grid-template-columns:1fr}.practice-hero-book{width:min(480px,90%);justify-self:center;margin-top:15px}.footer-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:899px){.marketing-site .pro-card{gap:24px!important}.pro-card>div:first-child{display:contents}.pro-card>div:first-child>:is(h2,p){margin-bottom:0!important}.pro-card>div:last-child{order:2;min-width:0}.pro-card>div:first-child>ul{order:3;margin-block:16px 0!important}.pro-card>div:first-child>a{order:4}}@media(max-width:600px){.marketing-site .container{padding-inline:22px}.marketing-site .announce-link{gap:8px;font-size:10px}.marketing-site .announce-link .badge-soft{font-size:7px;padding:3px 5px!important}.marketing-site .announce-inner{padding-block:7px}.marketing-site .announce-text{white-space:normal;overflow:visible;line-height:1.35}.marketing-site .announce-cta{white-space:nowrap}.site-nav-inner{gap:10px}.site-brand{gap:7px}.site-brand>span{font-size:16px}.site-nav-actions{gap:3px}.nav-start{display:none!important}.nav-icon{width:33px}.home-intro{padding-top:46px}.home-intro-copy{gap:28px}.home-intro-details{display:block}.home-intro h1{font-size:clamp(37px,10.8vw,58px);letter-spacing:-.055em;line-height:1.08;margin-bottom:0;text-wrap:pretty}.home-intro-lead{font-size:16px;line-height:1.65}.home-intro .hero-actions{gap:10px;margin-top:24px}.home-intro .hero-actions .btn{width:100%;font-size:14px}.hero-trust{margin-top:18px;font-size:11px;gap:8px;flex-direction:column;align-items:flex-start}.home-book-stage{margin-top:46px;border-radius:20px}.home-book-meta{padding:22px 22px 0;font-size:9px}.home-book-grid{grid-template-columns:minmax(0,1fr);padding:0 24px 32px;gap:12px}.home-book-duo{min-height:320px;grid-column:auto;grid-row:auto}.home-book-copy{grid-column:auto;grid-row:auto}.book-display-word{font-size:130px;top:25px}.marketing-site .home-book-duo .book{width:clamp(104px,31vw,168px)}.home-book-duo .book-duo-badge{top:25px;right:-8px;font-size:8px}.home-book-copy h2{font-size:32px;max-width:15ch}.home-book-copy .btn{width:100%}.home-book-copy>p{font-size:14px}.home-book-copy .price-row{margin-block:18px}.home-explore{grid-template-columns:1fr 1fr;gap:4px 16px;margin-bottom:68px;padding-block:20px}.home-explore a{font-size:12px;min-height:44px;padding:10px 0;border:none}.marketing-site .section{padding-block:68px}.marketing-site .pro-card{padding:26px!important}.page-intro{padding-block:46px}.page-intro-grid{gap:35px}.page-intro h1{font-size:clamp(38px,10vw,58px)}.page-intro-lead{font-size:17px}.intro-object{min-height:290px}.course-notebook{width:260px;min-height:306px;padding:26px;margin-block:12px}.course-notebook strong{font-size:26px}.intro-about>span{font-size:110px}.about-orbit{width:225px;height:225px}.intro-contact{font-size:210px;min-height:265px}.intro-app{min-height:325px}.mini-workspace{padding:23px 18px}.mini-workspace strong{font-size:25px}.marketing-site .books-stage{padding-block:46px!important}.marketing-site .books-hero>.book-duo{min-height:300px;width:100%}.marketing-site .books-hero>.book-duo .book{width:clamp(123px,33vw,180px)}.marketing-site .volume-card{padding:24px}.marketing-site .course-summary{grid-template-columns:1fr!important}.course-summary>div:last-child{display:flex;align-items:center;justify-content:space-between;text-align:left!important;flex-wrap:wrap;gap:8px}.marketing-site .page-about .card{padding:24px!important;gap:14px!important}.marketing-site .page-contact form>div{grid-template-columns:1fr!important}.practice-hero h1{font-size:45px}.practice-hero p{font-size:17px}.practice-hero-book{width:100%}.practice-steps li{grid-template-columns:32px 1fr;gap:12px}.practice-steps p{grid-column:2}.practice-steps h3{font-size:22px}.tools-grid{grid-template-columns:1fr;gap:14px}.tool-tile{padding:28px;border-radius:24px;min-height:260px}.tool-art{height:178px;margin-bottom:28px}.tool-top{margin-bottom:35px}.tool-tile h3{font-size:30px}.tool-tile p{font-size:14px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px 20px}.footer-brand{flex-wrap:wrap;gap:12px;padding-bottom:26px}.footer-brand p{margin:0;max-width:none!important;flex-basis:100%}.footer-grid>div:nth-child(3){grid-column:2;grid-row:2 / span 2}.marketing-site .site-footer>.section{padding-top:46px}}@media(prefers-reduced-motion:no-preference){html.js .marketing-site .rise{animation-duration:.25s;animation-delay:0ms}html.js .marketing-site [data-animate],html.js .marketing-site [data-animate-stagger]>*,html.js .marketing-site .reveal{transition-duration:.25s}}@media(prefers-reduced-motion:reduce){.marketing-site *,.marketing-site *:before,.marketing-site *:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.marketing-site [data-animate],.marketing-site [data-animate-stagger]>*,.marketing-site .reveal,.marketing-site .rise{opacity:1!important;transform:none!important}}.marketing-site .cat-root{padding:64px clamp(22px,5.8vw,76px) 90px}.marketing-site .cat-head{padding:clamp(28px,4vw,54px);background:var(--color-surface-2);border-radius:30px;gap:18px}.marketing-site .cat-head h1{max-width:15ch}.marketing-site .cat-lead{font-size:17px;line-height:1.6}.marketing-site .cat-searchbar{margin-top:14px}.marketing-site .cat-search{min-height:58px;border-radius:16px;padding-inline:18px}.marketing-site .cat-filters.cat-open{padding:28px;border:1px solid var(--color-border);border-radius:24px}.marketing-site .alphabet-page>.container>header{max-width:900px!important;padding-block:20px 30px}.marketing-site .alphabet-page h1{font-size:clamp(40px,5.4vw,72px);letter-spacing:-.055em}.marketing-site .alphabet-page>.container>header>p{font-size:18px;max-width:64ch}.marketing-site .page-legal>section:first-child>.container{max-width:1100px!important}.marketing-site .page-legal>section:first-child h1{font-size:clamp(38px,4.8vw,64px)}@media(max-width:600px){.marketing-site .cat-root{padding-top:30px}.marketing-site .cat-head{padding:26px;border-radius:24px}.marketing-site .cat-head h1{font-size:38px}.marketing-site .spec-head h1{font-size:clamp(32px,9vw,42px)}.marketing-site .cat-lead{font-size:15px}.marketing-site .cat-search{flex-basis:100%}.marketing-site .cat-filters.cat-open{padding:20px}}.page-intro-grid>*,.practice-hero-grid>*,.tools-grid>*,.home-book-grid>*{min-width:0}@media(max-width:600px){.marketing-site .btn{max-width:100%;white-space:normal;text-align:center;line-height:1.25}.marketing-site .page-legal>section:first-child h1{font-size:clamp(24px,7.4vw,40px)}}.pro-join{display:grid;gap:32px}.pro-join-explorer{min-width:0}.pro-join-head{display:grid;grid-template-columns:1.25fr 1fr;align-items:end;gap:clamp(32px,6vw,80px)}.pro-join-title{max-width:20ch;margin:0;line-height:1.08}.pro-join-title span{color:var(--color-accent)}.pro-join-lead{max-width:48ch;margin:0 0 24px;color:var(--color-text-muted);font-size:var(--text-sm);line-height:1.65}.pro-join-actions{display:flex;flex-direction:column;align-items:flex-start;gap:16px}.pro-join-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:52px;margin-bottom:8px;color:var(--color-text-muted)}.pro-join-index{display:flex;align-items:center;gap:20px;font-family:var(--font-mono);font-size:11px;font-variant-numeric:tabular-nums}.pro-join-index span{font-family:var(--font-sans);font-size:13px}.pro-join-reading{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:8px 0;border:0;background:none;color:var(--color-text-muted);font-size:12px;cursor:pointer;transition:transform var(--duration-fast) var(--ease-out-expo)}.pro-join-canvas{position:relative;isolation:isolate;min-height:850px;border:1px solid var(--color-border);border-radius:var(--radius-xl);background:var(--color-surface-offset)}.pro-join-stage{position:absolute;inset:0;overflow:clip;border-radius:var(--radius-xl);background-color:var(--color-surface-offset);background-image:linear-gradient(oklch(from var(--color-accent) l c h / 5.5%) 1px,transparent 1px),linear-gradient(90deg,oklch(from var(--color-accent) l c h / 5.5%) 1px,transparent 1px);background-size:44px 44px;pointer-events:none}.pro-join-stage-label{position:absolute;top:25px;right:28px;left:47%;z-index:1;display:flex;justify-content:space-between;gap:16px;color:var(--color-text-muted);font-family:var(--font-mono);font-size:9px;font-variant-numeric:tabular-nums;letter-spacing:.06em}.pro-join-stage-label span{padding:4px 6px;border-radius:var(--radius-sm);background:var(--color-surface-offset)}.practice-book{--practice-paper: #f1f4f0;--practice-ink: #141814;--practice-paper-muted: #242b23;--practice-cover: var(--grass, #c6df00);--practice-cover-ink: var(--grass-ink, #253100);--practice-cover-edge: #9eb500;--practice-ribbon: var(--grass, #c6df00);--practice-cover-ribbon: #a0bd13;position:absolute;right:-9%;bottom:-1%;width:82%;height:100%;overflow:visible}[data-theme=light] .practice-book{--practice-paper: #fff;--practice-ink: #121712;--practice-paper-muted: #5a655b}.practice-book text{font-family:var(--font-sans)}.practice-book .art-mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}.practice-book-frame{animation:practice-page-in .25s var(--ease-out-expo) both}@keyframes practice-page-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.pro-join-caption{position:absolute;right:28px;bottom:23px;max-width:43%;padding:8px 12px;border-radius:var(--radius-sm);background:var(--color-surface-offset);color:var(--color-text-muted);font-size:11px;line-height:1.5}.pro-join-list{position:relative;z-index:2;display:flex;flex-direction:column;align-items:flex-start;gap:8px;width:min(43%,485px);margin:0;padding:28px 0 28px 24px;list-style:none}.pro-join-item{position:relative;isolation:isolate;width:max-content;max-width:100%}.pro-join-pill-bg{position:absolute;z-index:-1;inset:0;border:1px solid var(--color-border);border-radius:var(--radius-full);background:var(--color-surface);transition:border-radius .25s var(--ease-out-expo),border-color .25s var(--ease-out-expo)}.pro-join-mask{overflow:clip;border-radius:var(--radius-xl)}.pro-join-head-row{margin:0;font:inherit}.pro-join-trigger{display:flex;align-items:center;gap:10px;width:max-content;max-width:100%;min-height:54px;padding:14px 17px;border:0;background:none;color:var(--color-text);font:inherit;font-size:13px;font-weight:550;text-align:start;cursor:pointer;transition:transform var(--duration-fast) var(--ease-out-expo)}.pro-join-n{flex-shrink:0;color:var(--color-text-muted);font-family:var(--font-mono);font-size:10px;font-variant-numeric:tabular-nums}.pro-join-label{min-width:0;line-height:1.45}.pro-join-plus{display:flex;flex:none;margin-left:auto;color:var(--color-text-muted)}.pro-join-item.is-open{width:100%}.pro-join-item.is-open .pro-join-pill-bg{border-color:var(--color-text-muted);border-radius:var(--radius-xl)}.pro-join-item.is-open .pro-join-trigger{width:100%;padding:22px 22px 12px;align-items:flex-start}.pro-join-item.is-open .pro-join-label{font-size:20px;line-height:1.25;letter-spacing:-.025em}.pro-join-item.is-open .pro-join-n{padding-top:4px;color:var(--color-accent)}.pro-join-item.is-open .pro-join-plus{padding-top:4px}.pro-join-region{display:grid;grid-template-rows:0fr;contain:inline-size;visibility:hidden;transition:grid-template-rows .25s var(--ease-out-expo),visibility .25s var(--ease-out-expo)}.pro-join-item.is-open .pro-join-region{grid-template-rows:1fr;visibility:visible}.pro-join-region-inner{min-height:0;overflow:hidden}.pro-join-region-inner>.sr-only{top:0;left:0}.pro-join-chips,.pro-join-close{display:none}.pro-join-body{margin:0;padding:4px 24px 24px 45px;color:var(--color-text-muted);font-size:14px;line-height:1.65}.pro-join-sources{display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0 24px 24px 45px;list-style:none}.pro-join-sources li{padding:5px 9px;border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text-muted);font-size:11px}.pro-join-figure{display:flex;align-items:center;gap:20px;margin:0 24px 24px 45px;padding-top:20px;border-top:1px solid var(--color-border)}.pro-join-figure strong{color:var(--color-accent);font-family:var(--font-mono);font-size:54px;font-weight:550;font-variant-numeric:tabular-nums;line-height:1.3;letter-spacing:-.065em}.pro-join-figure span{max-width:19ch;color:var(--color-text-muted);font-size:12px;line-height:1.45}.pro-join-nav{position:absolute;z-index:3;left:24px;bottom:20px;display:flex;align-items:center;gap:15px}.pro-join-nav[hidden]{display:none}.pro-join-position{font-family:var(--font-mono);font-size:10px;font-variant-numeric:tabular-nums;color:var(--color-text-muted)}.pro-join-paddle{display:grid;place-items:center;width:44px;height:44px;border:1px solid var(--color-border);border-radius:var(--radius-full);background:var(--color-surface);color:var(--color-text);cursor:pointer;transition:transform var(--duration-fast) var(--ease-out-expo),border-color var(--duration-fast) var(--ease-out-expo)}.pro-join-explorer :focus-visible{outline:2px solid var(--color-accent);outline-offset:3px}.pro-join-trigger:focus-visible{outline-offset:-5px;border-radius:var(--radius-xl)}.pro-join-trigger:active,.pro-join-paddle:active,.pro-join-reading:active{transform:scale(.97)}@media(hover:hover){.pro-join-item:not(.is-open):hover .pro-join-pill-bg,.pro-join-paddle:hover{border-color:var(--color-text-muted)}.pro-join-reading:hover{color:var(--color-text)}}.pro-join-explorer.is-reading .pro-join-stage{height:760px}.pro-join-explorer.is-reading .pro-join-list{width:48%;gap:12px}.pro-join-explorer.is-reading .pro-join-item{width:100%}.pro-join-explorer.is-reading .pro-join-region{grid-template-rows:1fr;visibility:visible}.pro-join-explorer.is-reading .pro-join-pill-bg{border-radius:var(--radius-lg)}.pro-join-explorer.is-reading .pro-join-trigger{font-size:20px;padding:22px 22px 12px;cursor:default}@media(min-width:900px){.pro-join-list{padding-bottom:92px}}@media(max-width:899px){.pro-join-head{grid-template-columns:1fr;gap:24px}.pro-join-title{max-width:22ch;font-size:clamp(32px,7.2vw,48px)}.pro-join-lead{max-width:55ch;font-size:16px}.pro-join-actions{gap:18px}.pro-join-actions .btn{width:100%}.pro-join-actions .link-blue{align-self:center;text-align:center}.pro-join{gap:18px}.pro-join-toolbar{min-height:36px}.pro-join-reading{display:none}.pro-join-index{font-size:10px;gap:15px}.pro-join-index span{font-size:12px}.pro-join-canvas{min-width:0;scroll-margin-top:calc(var(--nav-h) + 12px);min-height:0;padding-bottom:18px;border:0;border-radius:28px;background:var(--color-surface-2);overflow:clip}.pro-join-stage,.pro-join-explorer.is-reading .pro-join-stage{display:block;position:relative;height:clamp(330px,100vw,540px);border-radius:0;background:transparent;pointer-events:auto;touch-action:pan-y pinch-zoom}.pro-join-stage:before{content:"";position:absolute;inset:18% 6% 8%;border-radius:50%;background:var(--color-sunwash)}.pro-join-stage .practice-book{inset:34px 0 0;width:100%;height:calc(100% - 40px)}.pro-join-stage-label{top:20px;left:16px;right:16px;font-size:8px}.pro-join-stage-label span{background:none}.pro-join-stage-label span:last-child{display:none}.pro-join-caption{display:none}.pro-join-close{position:absolute;top:14px;right:14px;z-index:4;display:grid;place-items:center;width:44px;height:44px;border:0;border-radius:50%;background:var(--color-surface);color:var(--color-text);cursor:pointer;box-shadow:0 4px 14px #182a0f0f}.pro-join-close[hidden],.pro-join-chips[hidden]{display:none}.pro-join-list,.pro-join-explorer.is-reading .pro-join-list{display:none;width:auto;padding:0;margin:0 14px}.pro-join-explorer.has-details .pro-join-list{display:block}.pro-join-item{display:none}.pro-join-item.is-open{display:block;width:100%;padding:24px;border:1px solid var(--color-divider);border-radius:24px;background:color-mix(in srgb,var(--color-surface) 94%,transparent);box-shadow:0 12px 30px -20px #182a0f33}.pro-join-pill-bg,.pro-join-plus,.pro-join-n{display:none}.pro-join-mask{overflow:visible}.pro-join-item.is-open .pro-join-trigger,.pro-join-explorer.is-reading .pro-join-trigger{padding:0;min-height:0;cursor:default}.pro-join-item.is-open .pro-join-label{font-size:21px;line-height:1.2;letter-spacing:-.035em}.pro-join-body{padding:12px 0 0;font-size:16px;line-height:1.6}.pro-join-sources{padding:16px 0 0}.pro-join-figure{margin:18px 0 0;gap:18px}.pro-join-figure strong{font-size:42px}.pro-join-figure span{font-size:12px}.pro-join-chips{position:relative;display:flex;gap:10px;padding:8px 20px 12px;overflow-x:auto;overscroll-behavior-x:contain;scroll-snap-type:x mandatory;scroll-padding-inline:20px;scrollbar-width:none}.pro-join-chips::-webkit-scrollbar{display:none}.pro-join-chip{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;max-width:90%;min-height:56px;padding:14px 20px;border:1px solid var(--color-divider);border-radius:50px;background:var(--color-surface);color:var(--color-text);font:inherit;font-size:14px;font-weight:600;cursor:pointer;scroll-snap-align:start}.pro-join-chip svg{flex:none;color:var(--grass-ink);background:var(--grass);border-radius:50%;padding:2px}.pro-join-chip[aria-current]{background:var(--grass);color:var(--grass-ink);border-color:var(--grass)}.pro-join-chip[aria-current] svg{background:#ffffff59}.pro-join-nav{position:static;justify-content:center;margin-top:14px;gap:22px}.pro-join-paddle{border:0;background:var(--color-surface)}.pro-join-position{font-size:11px;min-width:44px;text-align:center}.pro-join-chip:active,.pro-join-close:active{transform:scale(.97)}}@media(prefers-reduced-motion:reduce){.practice-book-frame{animation:none}.pro-join-explorer *,.pro-join-explorer *:before,.pro-join-explorer *:after{transition:none}.pro-join-trigger:active,.pro-join-paddle:active,.pro-join-reading:active,.pro-join-chip:active,.pro-join-close:active{transform:none}}:root{color-scheme:light;--brand-lime: #c6df00;--brand-lime-hover: #d5eb24;--brand-ink: #253100;--color-primary: var(--brand-lime);--color-primary-hover: var(--brand-lime-hover);--color-primary-ink: var(--brand-ink);--color-bg: #f6faf7;--color-surface: #fff;--color-surface-2: #f0f6f2;--color-surface-offset: #eef7f1;--color-border: #dce8df;--color-divider: #e5eee7;--color-text: #253729;--color-text-muted: #58695d;--color-text-faint: #627166;--color-accent: #456015;--color-accent-hover: #2e420b;--color-accent-ink: #fff;--color-selected: #f1f7cf;--color-selected-ink: #354713;--color-focus: #617b0b;--color-red: #bd3228;--color-amber: #805700;--color-success: #26733c;--color-hero-title: var(--color-text);--color-hero-subtitle: var(--color-text-muted);--hero-title-shadow: none;--color-stage: var(--color-surface-2);--color-stage-2: var(--color-surface);--color-stage-line: var(--color-border);--color-stage-text: var(--color-text);--color-stage-muted: var(--color-text-muted);--radius-sm: 8px;--radius-md: 14px;--radius-lg: 20px;--radius-xl: 28px;--radius-full: 9999px;--shadow-sm: 0 2px 8px rgb(37 55 41 / 4%);--shadow-md: 0 12px 36px -12px rgb(37 55 41 / 12%);--shadow-lg: 0 24px 64px -16px rgb(37 55 41 / 18%);--shadow-cover: 0 2px 4px rgb(20 32 22 / 12%), 0 24px 48px -16px rgb(20 32 22 / 25%);--background: 135 29% 97%;--foreground: 133 20% 18%;--border: 135 21% 89%;--radius: .875rem}[data-theme=dark]{color-scheme:dark;--color-bg: #151b16;--color-surface: #1d261f;--color-surface-2: #253028;--color-surface-offset: #202c23;--color-border: #3b4a3f;--color-divider: #303e34;--color-text: #f2f6ed;--color-text-muted: #b5c3b7;--color-text-faint: #a2b2a5;--color-accent: #d5e983;--color-accent-hover: #e5f3ad;--color-accent-ink: #253100;--color-selected: #364121;--color-selected-ink: #e3efaa;--color-focus: #c6df00;--color-red: #ff938b;--color-amber: #efc16a;--color-success: #86d899;--shadow-sm: 0 2px 8px rgb(0 0 0 / 12%);--shadow-md: 0 12px 36px -12px rgb(0 0 0 / 25%);--shadow-lg: 0 24px 64px -16px rgb(0 0 0 / 45%);--shadow-cover: 0 2px 4px rgb(0 0 0 / 25%), 0 24px 48px -16px rgb(0 0 0 / 45%);--background: 130 13% 9%;--foreground: 87 33% 95%;--border: 136 11% 26%}.ui-icon-button{display:inline-grid;place-items:center;flex:0 0 auto;width:44px;height:44px;border:1px solid var(--color-border);border-radius:50%;background:var(--color-surface);color:var(--color-text);cursor:pointer;transition:background .16s var(--ease-out-expo),transform .16s var(--ease-out-expo)}.ui-icon-button:active{transform:scale(.97)}.ui-workspace{position:relative;display:flex;align-items:center;gap:4px;min-width:0;max-width:180px;min-height:44px;border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text);background:var(--color-surface);cursor:pointer;transition:border-color .14s var(--ease-out-expo),transform .14s var(--ease-out-expo)}.ui-workspace-value{flex:1 1 auto;min-width:0;padding-inline-start:10px;overflow:hidden;font-size:13px;font-weight:600;text-overflow:ellipsis;white-space:nowrap}.ui-workspace-chevron{flex:0 0 auto;margin-inline-end:8px;color:var(--color-text-muted);pointer-events:none}.ui-workspace select{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;font-size:max(var(--field-text-min),13px);cursor:pointer}.ui-workspace:has(select:focus-visible){outline:2px solid var(--color-focus);outline-offset:2px}.ui-workspace:active{transform:scale(.97)}.ui-preferences{display:flex;align-items:center;gap:8px}.ui-status{display:flex;align-items:center;flex-wrap:wrap;gap:12px;padding:20px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);font-size:14px}.ui-status>svg{flex-shrink:0;color:var(--color-accent)}.ui-status>div{flex:1 1 180px;min-width:0}.ui-status-copy{margin-top:4px;color:var(--color-text-muted)}.ui-status--error>svg{color:var(--color-red)}.ui-status--success{background:var(--color-selected)}.ui-status--loading>svg{animation:ui-spin .9s linear infinite}.ui-dialog{position:fixed;inset:0;width:min(480px,calc(100% - 32px));max-height:calc(100dvh - 32px);margin:auto;padding:0;overflow:auto;border:1px solid var(--color-border);border-radius:var(--radius-xl);background:var(--color-surface);color:var(--color-text);box-shadow:var(--shadow-lg)}.ui-dialog::backdrop{background:#14231847;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.ui-dialog-body{padding:24px}.ui-dialog-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.ui-dialog-head h2{font-size:22px;font-weight:650;letter-spacing:-.03em}.ui-dialog--sheet{inset-block-start:auto;margin-block-end:max(12px,env(safe-area-inset-bottom))}@keyframes ui-spin{to{transform:rotate(360deg)}}@media(hover:hover){.ui-icon-button:hover{background:var(--color-selected)}.ui-workspace:hover{border-color:var(--color-focus)}}@media(prefers-reduced-motion:reduce){.ui-icon-button,.ui-status--loading>svg,.ui-workspace{transition:none;animation:none}.ui-workspace:active{transform:none}}.ui-title-field{resize:none;overflow-y:auto;max-height:200px;line-height:1.3}*,:before,:after{box-sizing:border-box;border-width:0;border-style:solid;border-color:#e5e7eb}:before,:after{--tw-content: ""}html{line-height:1.5;-webkit-text-size-adjust:100%;tab-size:4;font-family:Inter,-apple-system,Helvetica Neue,Arial,sans-serif;font-feature-settings:normal;font-variation-settings:normal}body{margin:0;line-height:inherit}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:SF Mono,Fira Code,monospace;font-size:1em}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}button,input,optgroup,select,textarea{font-family:inherit;font-feature-settings:inherit;font-variation-settings:inherit;font-size:100%;font-weight:inherit;line-height:inherit;color:inherit;margin:0;padding:0}button,select{text-transform:none}button,[type=button],[type=reset],[type=submit]{-webkit-appearance:button;background-color:transparent;background-image:none}:-moz-focusring{outline:auto}:-moz-ui-invalid{box-shadow:none}progress{vertical-align:baseline}::-webkit-inner-spin-button,::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}summary{display:list-item}blockquote,dl,dd,h1,h2,h3,h4,h5,h6,hr,figure,p,pre{margin:0}fieldset{margin:0;padding:0}legend{padding:0}ol,ul,menu{list-style:none;margin:0;padding:0}dialog{padding:0}textarea{resize:vertical}input::placeholder,textarea::placeholder{opacity:1;color:#9ca3af}button,[role=button]{cursor:pointer}:disabled{cursor:default}img,svg,video,canvas,audio,iframe,embed,object{display:block;vertical-align:middle}img,video{max-width:100%;height:auto}[hidden]{display:none}*{border-color:hsl(var(--border));box-sizing:border-box}html,body{margin:0;padding:0}body{background-color:hsl(var(--background));color:hsl(var(--foreground));font-family:var(--font-sans);font-size:var(--text-base);line-height:1.6;color:var(--color-text);background:var(--color-bg);text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*,:before,:after{--tw-border-spacing-x: 0;--tw-border-spacing-y: 0;--tw-translate-x: 0;--tw-translate-y: 0;--tw-rotate: 0;--tw-skew-x: 0;--tw-skew-y: 0;--tw-scale-x: 1;--tw-scale-y: 1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness: proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width: 0px;--tw-ring-offset-color: #fff;--tw-ring-color: rgb(59 130 246 / .5);--tw-ring-offset-shadow: 0 0 #0000;--tw-ring-shadow: 0 0 #0000;--tw-shadow: 0 0 #0000;--tw-shadow-colored: 0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: }::backdrop{--tw-border-spacing-x: 0;--tw-border-spacing-y: 0;--tw-translate-x: 0;--tw-translate-y: 0;--tw-rotate: 0;--tw-skew-x: 0;--tw-skew-y: 0;--tw-scale-x: 1;--tw-scale-y: 1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness: proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width: 0px;--tw-ring-offset-color: #fff;--tw-ring-color: rgb(59 130 246 / .5);--tw-ring-offset-shadow: 0 0 #0000;--tw-ring-shadow: 0 0 #0000;--tw-shadow: 0 0 #0000;--tw-shadow-colored: 0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: }.\!container{width:100%!important}.container{width:100%}@media(min-width:640px){.\!container{max-width:640px!important}.container{max-width:640px}}@media(min-width:768px){.\!container{max-width:768px!important}.container{max-width:768px}}@media(min-width:1024px){.\!container{max-width:1024px!important}.container{max-width:1024px}}@media(min-width:1280px){.\!container{max-width:1280px!important}.container{max-width:1280px}}@media(min-width:1536px){.\!container{max-width:1536px!important}.container{max-width:1536px}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.\!visible{visibility:visible!important}.visible{visibility:visible}.invisible{visibility:hidden}.collapse{visibility:collapse}.static{position:static}.fixed{position:fixed}.absolute{position:absolute}.relative{position:relative}.sticky{position:sticky}.\!block{display:block!important}.block{display:block}.inline-block{display:inline-block}.inline{display:inline}.flex{display:flex}.inline-flex{display:inline-flex}.table{display:table}.grid{display:grid}.contents{display:contents}.hidden{display:none}.min-h-screen{min-height:100vh}.flex-1{flex:1 1 0%}.grow{flex-grow:1}.transform{transform:translate(var(--tw-translate-x),var(--tw-translate-y)) rotate(var(--tw-rotate)) skew(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y))}.resize{resize:both}.flex-col{flex-direction:column}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.rounded{border-radius:var(--radius-md)}.border{border-width:1px}.uppercase{text-transform:uppercase}.italic{font-style:italic}.tabular-nums{--tw-numeric-spacing: tabular-nums;font-variant-numeric:var(--tw-ordinal) var(--tw-slashed-zero) var(--tw-numeric-figure) var(--tw-numeric-spacing) var(--tw-numeric-fraction)}.line-through{text-decoration-line:line-through}.outline{outline-style:solid}.ring{--tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width) var(--tw-ring-offset-color);--tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(3px + var(--tw-ring-offset-width)) var(--tw-ring-color);box-shadow:var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow, 0 0 #0000)}.blur{--tw-blur: blur(8px);filter:var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia) var(--tw-drop-shadow)}.invert{--tw-invert: invert(100%);filter:var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia) var(--tw-drop-shadow)}.filter{filter:var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia) var(--tw-drop-shadow)}.transition{transition-property:color,background-color,border-color,text-decoration-color,fill,stroke,opacity,box-shadow,transform,filter,backdrop-filter;transition-timing-function:var(--easing-default);transition-duration:var(--duration-normal)}@keyframes enter{0%{opacity:var(--tw-enter-opacity, 1);transform:translate3d(var(--tw-enter-translate-x, 0),var(--tw-enter-translate-y, 0),0) scale3d(var(--tw-enter-scale, 1),var(--tw-enter-scale, 1),var(--tw-enter-scale, 1)) rotate(var(--tw-enter-rotate, 0))}}@keyframes exit{to{opacity:var(--tw-exit-opacity, 1);transform:translate3d(var(--tw-exit-translate-x, 0),var(--tw-exit-translate-y, 0),0) scale3d(var(--tw-exit-scale, 1),var(--tw-exit-scale, 1),var(--tw-exit-scale, 1)) rotate(var(--tw-exit-rotate, 0))}}.\!running{animation-play-state:running!important}.running{animation-play-state:running}.paused{animation-play-state:paused}:root{--font-sans: "Geist", -apple-system, "Segoe UI", sans-serif;--font-mono: "Geist Mono", ui-monospace, "SF Mono", monospace;--text-xs: clamp(.75rem, .7rem + .25vw, .875rem);--text-sm: clamp(.875rem, .8rem + .35vw, 1rem);--text-base: clamp(1rem, .95rem + .25vw, 1.125rem);--text-lg: clamp(1.125rem, 1rem + .75vw, 1.5rem);--text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);--text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.25rem);--text-3xl: clamp(2.5rem, 1.2rem + 3.4vw, 4.5rem);--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem;--space-24: 6rem;--ease-out-expo: cubic-bezier(.16, 1, .3, 1);--duration-fast: .15s;--duration-base: .25s;--nav-h: 64px;--content-narrow: 640px;--content-default: 960px;--content-wide: 1200px;--field-text-min: 0px}@media(pointer:coarse){:root{--field-text-min: 16px}}@media(max-width:900px){html,body{overflow-x:hidden;overflow-x:clip}}a,button,input,textarea,select{font:inherit;touch-action:manipulation}::selection{background:oklch(from var(--color-accent) l c h / 30%)}h1,h2,h3{text-wrap:balance}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}.container{max-width:var(--content-wide);margin-inline:auto;padding-inline:clamp(var(--space-4),5vw,var(--space-12))}.section{padding-block:clamp(var(--space-16),10vw,var(--space-24))}.t-display,.t-headline,.t-subhead{text-wrap:balance}.section p{text-wrap:pretty}.t-display{font-size:var(--text-3xl);font-weight:800;letter-spacing:-.035em;line-height:1.02;color:var(--color-text)}.t-headline{font-size:var(--text-2xl);font-weight:750;letter-spacing:-.03em;line-height:1.08;color:var(--color-text)}.t-card-title{font-size:var(--text-xl);font-weight:700;letter-spacing:-.02em;line-height:1.15}.t-label{font-family:var(--font-mono);font-size:.72rem;font-weight:500;text-transform:uppercase;letter-spacing:.16em;color:var(--color-text-muted)}.t-mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}.s-dark{background:var(--color-surface-offset);border-bottom:1px solid var(--color-divider)}.s-white{background:var(--color-bg)}.divider{border:none;border-top:1px solid var(--color-divider)}.link-blue{color:var(--color-accent);font-weight:600;text-decoration:none;border-bottom:1px solid oklch(from var(--color-accent) l c h / 35%);padding-bottom:1px;transition:border-color var(--duration-fast) var(--ease-out-expo)}@media(hover:hover){.link-blue:hover{border-bottom-color:var(--color-accent)}}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);transition:transform .2s var(--ease-out-expo),box-shadow .2s var(--ease-out-expo),border-color .2s var(--ease-out-expo)}@media(hover:hover)and (pointer:fine){.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:oklch(from var(--color-accent) l c h / 35%)}}.card-gray{background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-xl)}.stage{position:relative;isolation:isolate;overflow:clip;background:var(--color-surface-offset);border-bottom:1px solid var(--color-divider)}.stage:before{content:"";position:absolute;inset:0;z-index:-2;pointer-events:none;background:linear-gradient(oklch(from var(--color-accent) l c h / 9%) 1px,transparent 1px),linear-gradient(90deg,oklch(from var(--color-accent) l c h / 9%) 1px,transparent 1px);background-size:44px 44px;-webkit-mask-image:radial-gradient(130% 100% at 72% 0%,black 25%,transparent 78%);mask-image:radial-gradient(130% 100% at 72% 0%,black 25%,transparent 78%)}.stage:after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(46% 60% at 76% 42%,oklch(from var(--color-accent) l c h / 13%) 0%,transparent 70%)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);font-size:var(--text-sm);font-weight:600;line-height:1;border-radius:var(--radius-full);border:none;cursor:pointer;text-decoration:none;transition:background var(--duration-fast) var(--ease-out-expo),color var(--duration-fast) var(--ease-out-expo),transform var(--duration-fast) var(--ease-out-expo),box-shadow var(--duration-fast) var(--ease-out-expo);white-space:nowrap;min-height:44px}.btn:disabled{opacity:.45;cursor:default;transform:none;box-shadow:none}.btn:disabled:hover{transform:none;box-shadow:none}.btn-sm{padding:6px 14px;font-size:var(--text-xs)}.btn-md{padding:10px 20px}.btn-lg{padding:13px 26px;font-size:var(--text-base)}.btn-primary{background:var(--color-primary);color:var(--color-primary-ink)}@media(hover:hover){.btn-primary:hover{background:var(--color-primary-hover);transform:translateY(-1px);box-shadow:0 6px 20px -6px oklch(from var(--color-accent) l c h / 55%)}}.btn-outline{background:transparent;border:1px solid oklch(from var(--color-accent) l c h / 55%);color:var(--color-text)}@media(hover:hover){.btn-outline:hover{background:oklch(from var(--color-accent) l c h / 8%)}}.btn-ghost{background:transparent;color:var(--color-text-muted)}@media(hover:hover){.btn-ghost:hover{color:var(--color-text);background:var(--color-surface-offset)}}.btn:active{transform:scale(.97)}.input,.textarea,.select{width:100%;padding:10px 14px;font-size:max(var(--field-text-min),var(--text-sm));color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);outline:none;transition:border-color var(--duration-fast),box-shadow var(--duration-fast);appearance:none}.input::placeholder,.textarea::placeholder{color:var(--color-text-muted)}.input:focus,.textarea:focus,.select:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px oklch(from var(--color-accent) l c h / 18%)}.chip{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.02em;color:var(--color-text-muted);border:1px solid var(--color-border);border-radius:var(--radius-full);padding:5px 11px;background:var(--color-surface);white-space:nowrap}.badge-new{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.12em;color:var(--color-accent-ink);background:var(--color-primary);border-radius:var(--radius-full);padding:6px 12px;box-shadow:0 4px 16px -4px oklch(from var(--color-accent) l c h / 60%)}.badge-soft{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.12em;color:var(--color-accent);background:oklch(from var(--color-accent) l c h / 12%);border:1px solid oklch(from var(--color-accent) l c h / 35%);border-radius:var(--radius-full);padding:6px 12px}.book{position:relative;display:block;border-radius:8px;line-height:0}.book img{width:100%;height:auto;display:block;border-radius:inherit;box-shadow:var(--shadow-cover);border:1px solid oklch(from var(--color-text) l c h / 10%)}.book:after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:linear-gradient(90deg,rgb(0 0 0 / 22%) 0%,rgb(0 0 0 / 5%) 3.5%,transparent 7%),linear-gradient(105deg,rgb(255 255 255 / 14%) 0%,transparent 22%)}.book-duo{position:relative;display:grid;place-items:center;min-height:clamp(320px,36vw,460px)}.book-duo:before{content:"";position:absolute;inset:8% 0;border-radius:50%;background:radial-gradient(50% 50% at 50% 55%,oklch(from var(--color-accent) l c h / 22%) 0%,transparent 70%);filter:blur(24px)}.book-duo .book{position:absolute;width:clamp(160px,19vw,250px);transition:transform .3s var(--ease-out-expo)}.book-duo .book--back{transform:translate(-56%) rotate(-8deg);z-index:1}.book-duo .book--front{transform:translate(46%) translateY(4%) rotate(6deg);z-index:2}@media(hover:hover)and (pointer:fine){.book-duo:hover .book--back{transform:translate(-60%) rotate(-5deg) translateY(-1.5%)}.book-duo:hover .book--front{transform:translate(50%) translateY(1%) rotate(3deg) scale(1.02)}}.book-duo-badge{position:absolute;z-index:3;top:0;right:0;transform:rotate(3deg)}.book-duo--compact .book{width:clamp(140px,14vw,200px)}.volume-card{position:relative;display:grid;grid-template-columns:minmax(150px,220px) 1fr;gap:clamp(var(--space-6),3vw,var(--space-10));align-items:start;padding:clamp(var(--space-6),3.5vw,var(--space-10));border-radius:var(--radius-xl);border:1px solid var(--color-border);background:var(--color-surface);box-shadow:var(--shadow-sm);overflow:hidden;isolation:isolate}.volume-card--new{border:1px solid oklch(from var(--color-accent) l c h / 55%);box-shadow:0 0 0 4px oklch(from var(--color-accent) l c h / 8%),var(--shadow-md)}.volume-card--new:before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(60% 90% at 100% 0%,oklch(from var(--color-accent) l c h / 10%) 0%,transparent 65%)}.volume-card .book{transition:transform .3s var(--ease-out-expo)}@media(hover:hover)and (pointer:fine){.volume-card:hover .book{transform:translateY(-6px) rotate(-1.2deg)}}.price-row{display:flex;align-items:baseline;gap:var(--space-3);flex-wrap:wrap}.price-main{font-family:var(--font-mono);font-size:var(--text-xl);font-weight:700;letter-spacing:-.02em;color:var(--color-text)}.price-side{font-size:var(--text-xs);color:var(--color-text-muted)}.store-row{display:flex;align-items:center;justify-content:space-between;gap:var(--space-2);padding:10px;font-size:var(--text-sm);color:var(--color-text-muted);text-decoration:none;border-radius:var(--radius-md);transition:color var(--duration-fast) var(--ease-out-expo),background var(--duration-fast) var(--ease-out-expo)}@media(hover:hover){.store-row:hover{color:var(--color-text);background:oklch(from var(--color-accent) l c h / 7%)}}.store-row--featured{color:var(--color-accent);font-weight:600;background:oklch(from var(--color-accent) l c h / 10%);border:1px solid oklch(from var(--color-accent) l c h / 30%)}@media(hover:hover){.store-row--featured:hover{color:var(--color-accent);background:oklch(from var(--color-accent) l c h / 16%)}}.announce{position:relative;z-index:101;background:var(--color-surface-offset);border-bottom:1px solid var(--color-divider)}.announce-inner{display:flex;align-items:center;gap:var(--space-3);min-height:42px;padding-block:6px}.announce-link{display:inline-flex;align-items:center;gap:var(--space-3);min-width:0;text-decoration:none;color:var(--color-text);font-size:var(--text-xs)}.announce-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--color-text-muted)}@media(hover:hover){.announce-link:hover .announce-text{color:var(--color-text)}}.announce-cta{color:var(--color-accent);font-weight:600;white-space:nowrap}.announce-close{margin-left:auto;display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;flex-shrink:0;border:none;border-radius:var(--radius-full);background:transparent;color:var(--color-text-muted);cursor:pointer;transition:background var(--duration-fast),color var(--duration-fast)}@media(hover:hover){.announce-close:hover{background:var(--color-surface-2);color:var(--color-text)}}.pill-mark{width:12px;height:22px;flex-shrink:0;display:inline-block}html.js [data-animate]{opacity:0;transform:translateY(24px);transition:opacity .6s var(--ease-out-expo),transform .6s var(--ease-out-expo)}html.js [data-animate].is-visible{opacity:1;transform:translateY(0)}html.js [data-animate-stagger]>*{opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease-out-expo),transform .5s var(--ease-out-expo)}html.js [data-animate-stagger].is-visible>*{opacity:1;transform:none}[data-animate-stagger].is-visible>*:nth-child(2){transition-delay:80ms}[data-animate-stagger].is-visible>*:nth-child(3){transition-delay:.16s}[data-animate-stagger].is-visible>*:nth-child(4){transition-delay:.24s}[data-animate-stagger].is-visible>*:nth-child(5){transition-delay:.32s}[data-animate-stagger].is-visible>*:nth-child(6){transition-delay:.4s}[data-animate-stagger].is-visible>*:nth-child(7){transition-delay:.48s}[data-animate-stagger].is-visible>*:nth-child(8){transition-delay:.56s}html.js .reveal{opacity:0;transform:translateY(20px);transition:opacity .6s var(--ease-out-expo),transform .6s var(--ease-out-expo)}html.js .reveal.in-view{opacity:1;transform:translateY(0)}@keyframes rise-in{0%{opacity:0;transform:translateY(28px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}html.js .rise{animation:rise-in .7s var(--ease-out-expo) both}.rise-1{animation-delay:60ms}.rise-2{animation-delay:.14s}.rise-3{animation-delay:.22s}.rise-4{animation-delay:.3s}:focus-visible{outline:2px solid var(--color-focus);outline-offset:2px}.cert-level{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:start;padding:clamp(28px,3vw,44px);border-radius:20px;background:var(--color-surface)}.cert-level-title{color:var(--color-text)}.cert-level-desc,.cert-level-sub{color:var(--color-text-muted)}.cert-level--featured{background:var(--color-text)}.cert-level--featured .cert-level-title{color:var(--color-surface)}.cert-level--featured .cert-level-desc{color:oklch(from var(--color-surface) l c h / 75%)}.cert-level--featured .cert-level-sub{color:oklch(from var(--color-surface) l c h / 55%)}.cert-level-side{max-width:260px;text-align:right}.cert-level-price{font-size:36px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.03em;white-space:nowrap;color:var(--color-text);margin-bottom:4px}.cert-level--featured .cert-level-price{color:var(--color-surface)}.cert-pay-row{display:grid;grid-template-columns:minmax(160px,1fr) minmax(200px,2fr) auto;gap:clamp(12px,3vw,40px);align-items:baseline;padding:18px 0;border-bottom:1px solid var(--color-divider)}.cert-pay-gets{font-size:17px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--color-accent);text-align:right}@media(max-width:767px){.btn-lg{padding:12px 20px;font-size:var(--text-sm)}.cert-level{grid-template-columns:1fr;gap:20px}.cert-level-side{max-width:none;text-align:start}.cert-pay-row{grid-template-columns:1fr;gap:4px}.cert-pay-gets{text-align:start}.volume-card{grid-template-columns:1fr}.volume-card .book{max-width:200px}}@media(prefers-reduced-motion:reduce){[data-animate],[data-animate-stagger]>*,.reveal{opacity:1!important;transform:none!important;transition:none!important}.rise{animation:none!important}.book-duo .book,.volume-card .book,.card{transition:none!important}}.lang-toggle{display:inline-flex;gap:5px;align-items:baseline;white-space:nowrap}.lang-toggle .lang-seg{opacity:.5;font-weight:500}.lang-toggle .lang-seg.lang-on{opacity:1;font-weight:700}.lang-toggle .lang-sep{opacity:.35}@media(max-width:480px){.lang-toggle{gap:3px;padding-inline:6px}.lang-toggle .lang-sep{display:none}}.consent-bar{position:fixed;z-index:80;inset-inline-start:max(var(--space-4),env(safe-area-inset-left,0px));inset-block-end:max(var(--space-4),env(safe-area-inset-bottom,0px));width:min(30rem,calc(100vw - 2 * var(--space-4)));display:flex;flex-direction:column;gap:var(--space-3);padding:var(--space-4);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);animation:consent-in .22s var(--ease-out-expo)}@media(max-width:900px){.consent-bar{inset-block-end:calc(56px + max(var(--space-3),env(safe-area-inset-bottom,0px)));inset-inline:var(--space-3);width:auto}}.consent-text{font-size:var(--text-xs);line-height:1.6;color:var(--color-text-muted)}.consent-actions{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-2)}.consent-more{margin-inline-start:auto;font-size:var(--text-xs);color:var(--color-text-muted);text-decoration:underline;text-underline-offset:3px}@media(hover:hover){.consent-more:hover{color:var(--color-text)}}@keyframes consent-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.disclosure-chevron{transition:transform .16s var(--ease-out-expo)}@media(prefers-reduced-motion:reduce){.consent-bar{animation:none}.disclosure-chevron{transition:none}}
