@font-face{font-family:Brand;src:url('assets/brand-sans.woff') format('woff');font-weight:400;font-display:swap}@font-face{font-family:Brand;src:url('assets/brand-sans-bold.woff') format('woff');font-weight:700;font-display:swap}@font-face{font-family:BrandMono;src:url('assets/brand-mono.woff') format('woff');font-weight:400;font-display:swap}
:root{--ink:#07141a;--panel:#0d2029;--paper:#f5f7fa;--mist:#b4c4ce;--line:#29414b;--cyan:#22d3ee;--orange:#fb923c;--mono:BrandMono,monospace;--font:Brand,Arial,sans-serif;color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background:var(--ink);color:var(--paper);font-family:var(--font);line-height:1.6}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--cyan);outline-offset:5px}button:disabled{cursor:default}[hidden]{display:none!important}img{max-width:100%;height:auto}.wrap{max-width:1240px;margin-inline:auto;padding-inline:36px}.cool{color:var(--cyan)}.warm{color:var(--orange)}.skip-link{position:absolute;top:-100px;left:16px;z-index:10;padding:12px 20px;background:var(--cyan);color:var(--ink);font-weight:700}.skip-link:focus{top:12px}.site-header{max-width:1360px;margin:auto;min-height:102px;display:flex;align-items:center;justify-content:space-between;padding:20px 44px;gap:32px;border-bottom:1px solid var(--line)}.wordmark{display:inline-flex;align-items:center;gap:12px;font-size:21px;font-weight:700;letter-spacing:-.8px;white-space:nowrap}.site-header nav{display:flex;gap:28px;font-size:13px;color:var(--mist)}.site-header nav a:hover,.text-link:hover,footer a:hover{color:var(--cyan)}.header-follow{font-size:13px;font-weight:700;border-bottom:1px solid var(--cyan);padding:10px 0;white-space:nowrap}.header-follow span{margin-left:8px;color:var(--cyan)}.hero{display:grid;grid-template-columns:1.14fr 1fr;gap:60px;align-items:center;padding-top:90px;padding-bottom:88px}.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:1.4px;color:var(--cyan);font-weight:400;margin:0 0 26px;display:flex;align-items:center;gap:10px}.status-dot{display:inline-block;width:6px;height:6px;background:var(--cyan);border-radius:50%;flex-shrink:0}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(2.55rem,5.6vw,4.95rem);line-height:1.06;letter-spacing:-3.4px;margin:0 0 29px;font-weight:700}h1>span{display:block}h1 .cool{margin-top:8px}.hero-description{font-size:16px;color:var(--mist);max-width:470px;line-height:1.85}.hero-actions{display:flex;gap:25px;align-items:center;flex-wrap:wrap;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;gap:25px;min-height:54px;padding:14px 21px;font-size:13px;font-weight:700;border-radius:6px}.primary{background:var(--cyan);color:var(--ink);border:1px solid var(--cyan);box-shadow:0 3px 0 var(--deep)}.primary:hover{background:var(--bright)}.text-link{font-size:13px;font-weight:700;padding:12px 0}.availability{margin:22px 0 0;font-size:12px;color:var(--mist)}.hero-visual{min-width:0;position:relative}.hero-visual:before{content:"";position:absolute;inset:-80px -20px -30px;background:radial-gradient(ellipse at 60% 35%,var(--glow-soft),transparent 65%);z-index:-1}.visual-label{display:flex;align-items:center;gap:12px;font-family:var(--mono);font-size:12px;letter-spacing:1px;color:var(--mist);margin:0 0 16px 5px}.visual-label>span{color:var(--cyan);font-size:17px}.code-window{border:1px solid var(--line);background:var(--panel);border-radius:12px;overflow:hidden;box-shadow:14px 16px 0 var(--shadow-tone),0 28px 80px #0004;scroll-margin-top:24px}.window-bar{display:flex;align-items:center;gap:14px;padding:14px 17px;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:12px;color:var(--mist)}.window-dots{display:flex;gap:5px}.window-dots i{width:6px;height:6px;border-radius:50%;background:var(--line)}.window-dots i:first-child{background:var(--orange)}.language-tag{margin-left:auto;font-size:12px;color:var(--cyan);letter-spacing:.7px}.demo-body{padding:27px 27px 22px}.demo-kicker{font-family:var(--mono);font-size:12px;letter-spacing:1.5px;color:var(--orange);margin-bottom:13px}.demo-body h2{font-size:20px;letter-spacing:-.8px;margin-bottom:23px}.code-block{font-family:var(--mono);font-size:14px;line-height:2;padding:18px 13px 18px 0;border:1px solid var(--line);border-radius:6px;background:#07141a;overflow-wrap:anywhere}.code-block>div{display:flex;gap:17px}.line-number{width:28px;flex-shrink:0;text-align:right;color:var(--mist);font-size:12px}.code-block code{font-family:inherit;white-space:pre-wrap}.code-operator{color:var(--mist)}.code-number{color:var(--orange)}.code-function{color:var(--cyan)}.answer-group{border:0;padding:0;margin:23px 0 20px}.answer-group legend{font-size:12px;color:var(--mist);margin-bottom:12px}.answer-buttons{display:flex;gap:10px}.answer-buttons button{flex:1;min-height:46px;font-family:var(--mono);color:var(--paper);background:var(--surface);border:1px solid var(--line);border-radius:5px;transition:border-color .15s,background .15s}.answer-buttons button:hover{border-color:var(--cyan)}.answer-buttons button[aria-pressed=true]{background:var(--glow-soft);border-color:var(--cyan);color:var(--cyan)}.answer-buttons button.wrong[aria-pressed=true]{background:var(--warm-soft);color:var(--orange);border-color:var(--orange)}.demo-feedback{display:flex;gap:12px;align-items:flex-start;min-height:66px;color:var(--mist);font-size:12px;line-height:1.8}.demo-feedback p{margin:0}.feedback-symbol{color:var(--cyan);font-size:19px;line-height:1.2}.demo-feedback code{color:var(--paper);font-family:var(--mono)}.reset-example{padding:8px 0;min-height:44px;font-size:12px;background:none;border:0;color:var(--cyan);text-decoration:underline;text-underline-offset:4px}.window-footer{display:flex;align-items:center;justify-content:center;gap:8px;border-top:1px solid var(--line);padding:12px;font-family:var(--mono);color:var(--mist);font-size:12px;letter-spacing:.8px}.visual-note{display:flex;align-items:center;gap:16px;padding:28px 5px 0}.visual-note p{font-size:12px;color:var(--mist);line-height:1.7;margin:0}.visual-note strong{font-weight:400;color:var(--paper)}.note-line{width:36px;height:1px;background:var(--orange)}.forge-spark{margin-left:auto;color:var(--orange);font-size:46px;line-height:1}.intro-strip{border-block:1px solid var(--line);background:var(--ink)}.strip-inner{display:flex;justify-content:space-between;gap:20px;padding-top:22px;padding-bottom:22px;font-family:var(--mono);font-size:12px;letter-spacing:1px;color:var(--mist)}.section-space{padding-top:100px;padding-bottom:100px}.section-heading{max-width:740px;margin-bottom:45px}.section-heading h2,.language-copy h2,.identity-section h2{font-size:clamp(2rem,4.4vw,3.5rem);line-height:1.12;letter-spacing:-1.8px;margin-bottom:20px}.section-heading>p:last-child,.language-copy>p,.identity-section>div>p{font-size:15px;color:var(--mist);line-height:1.9}.section-heading .eyebrow{color:var(--cyan);font-size:12px;margin-bottom:23px}.approach-grid{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin:0;padding:0}.approach-grid li{border-top:1px solid var(--line);padding-top:22px}.step-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:29px}.step-number{font-family:var(--mono);font-size:12px;color:var(--cyan)}.step-number.warm{color:var(--orange)}.step-glyph{font-family:var(--mono);font-size:28px;color:var(--cyan)}.step-glyph.warm{color:var(--orange)}.approach-grid h3{font-size:19px;letter-spacing:-.7px;margin-bottom:15px}.approach-grid p{font-size:13px;line-height:1.95;color:var(--mist);margin-bottom:26px;max-width:330px}.step-detail{font-family:var(--mono);font-size:12px;color:var(--cyan)}.language-section{background:var(--panel);border-block:1px solid var(--line)}.language-layout{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.language-copy .quiet{font-size:12px;margin-top:25px}.language-copy .eyebrow{font-size:12px;color:var(--orange)}.language-buttons{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}.language-buttons button{padding:10px 8px;min-height:44px;font-size:12px;color:var(--mist);background:var(--ink);border:1px solid var(--line);border-radius:5px}.language-buttons button[aria-pressed=true]{color:var(--ink);background:var(--cyan);border-color:var(--cyan);font-weight:700}.language-buttons button:hover{border-color:var(--cyan)}.language-detail{margin-top:24px;border-left:2px solid var(--cyan);padding:8px 0 8px 24px;min-height:214px}.mini-label{font-family:var(--mono);font-size:12px;letter-spacing:1px;color:var(--mist)}.language-detail h3{font-size:29px;letter-spacing:-1px;margin:13px 0}.language-detail p{font-size:13px;line-height:1.8;color:var(--mist);max-width:420px;margin-bottom:21px}.topic-line{font-family:var(--mono);color:var(--cyan);font-size:12px;line-height:2}.topic-line span{padding-inline:8px;color:var(--orange)}.explorer-caption{margin-top:18px;font-size:12px;color:var(--mist);line-height:1.8;max-width:400px}.identity-section{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;align-items:center;border-bottom:1px solid var(--line)}.identity-mark{text-align:center;position:relative}.identity-mark:before{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:280px;height:280px;border:1px solid var(--line);border-radius:50%;z-index:-1}.identity-mark img{border-radius:32px;max-width:65%}.identity-section>div>p.eyebrow{color:var(--cyan);font-size:12px}.theme-swatches{display:flex;gap:25px;flex-wrap:wrap;margin-top:26px;font-family:var(--mono);font-size:12px;color:var(--mist)}.theme-swatches span{display:flex;align-items:center;gap:9px}.theme-swatches i{width:12px;height:12px;border-radius:3px}.bean-swatch{background:var(--cyan)}.niko-swatch{background:var(--orange)}.faq-section{display:grid;grid-template-columns:1fr 1.1fr;gap:75px}.faq-section .section-heading{margin-bottom:0}.faq-list details{border-top:1px solid var(--line)}.faq-list details:last-child{border-bottom:1px solid var(--line)}.faq-list summary{display:flex;justify-content:space-between;align-items:center;gap:20px;list-style:none;cursor:pointer;padding:22px 0;min-height:65px;font-size:13px;font-weight:700}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary>span{font-size:24px;font-weight:400;color:var(--cyan)}.faq-list details[open] summary>span{transform:rotate(45deg)}.faq-list details p{padding-right:25px;margin:0 0 25px;font-size:12px;color:var(--mist);line-height:1.95}.faq-list a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}.closing-section{background:linear-gradient(115deg,var(--surface),var(--panel));border-block:1px solid var(--line);padding:74px 0 80px}.closing-inner{text-align:center}.closing-inner .eyebrow{justify-content:center;color:var(--orange)}.closing-inner h2{font-size:clamp(2.8rem,6vw,4.75rem);line-height:1.07;letter-spacing:-2.8px;margin-bottom:22px}.closing-inner>p:not(.eyebrow){color:var(--mist);font-size:14px;margin-bottom:28px}.site-footer{display:grid;grid-template-columns:1fr auto;gap:22px;padding-top:36px;padding-bottom:36px;align-items:center}.site-footer .wordmark{font-size:17px}.site-footer>p{font-size:12px;color:var(--mist);margin:0;text-align:right}.site-footer>div{display:flex;gap:24px;font-size:12px;color:var(--mist)}.footer-status{font-family:var(--mono);font-size:12px;color:var(--mist);text-align:right}.document-page{max-width:800px;padding-top:70px;padding-bottom:80px}.document-page h1{font-size:40px;line-height:1.2;letter-spacing:-1.3px}.document-page h2{font-size:21px;margin-top:38px}.document-page p,.document-page li{font-size:14px;color:var(--mist);line-height:1.95}.document-page a{color:var(--cyan);text-decoration:underline}.document-page ul{padding-left:20px}.not-found{min-height:65vh;display:flex;flex-direction:column;justify-content:center;align-items:flex-start}.not-found h1{font-size:72px}.not-found .button{color:var(--ink);text-decoration:none}
@media(min-width:1500px){.hero{padding-top:110px;padding-bottom:105px}}@media(max-width:1000px){.site-header{padding-inline:28px;gap:22px}.site-header nav{gap:18px}.wrap{padding-inline:28px}.hero{gap:35px;padding-top:70px;padding-bottom:70px}.hero h1{letter-spacing:-2.3px;font-size:clamp(2.5rem,5.6vw,4.2rem)}.hero-description{font-size:14px}.hero-actions{gap:17px}.demo-body{padding:23px 21px}.language-layout{gap:45px}.faq-section{gap:40px}.identity-section{gap:45px}.approach-grid{gap:26px}}@media(max-width:740px){.site-header{min-height:82px;padding:17px 22px;gap:15px}.site-header nav{display:none}.wordmark{font-size:17px;gap:9px}.wordmark img{width:32px}.header-follow{font-size:12px}.wrap{padding-inline:22px}.hero{grid-template-columns:1fr;gap:48px;padding-top:54px;padding-bottom:57px}.hero h1{font-size:clamp(2.5rem,9vw,4.25rem);letter-spacing:-2px;line-height:1.13;margin-bottom:24px}.desktop-break{display:none}.hero-description{font-size:14px;max-width:520px}.eyebrow{font-size:12px;letter-spacing:.8px;margin-bottom:23px}.hero-actions{margin-top:23px;gap:18px}.hero-actions .button{font-size:12px;padding:13px 18px}.text-link{font-size:12px}.availability{font-size:12px;max-width:320px;line-height:1.9}.hero-visual{max-width:510px;width:100%;margin:auto}.demo-body{padding:23px}.code-window{box-shadow:7px 9px 0 var(--shadow-tone)}.visual-note{padding-top:22px}.strip-inner{flex-direction:column;gap:10px;font-size:12px;padding-block:20px}.strip-inner span:before{content:"↳";color:var(--cyan);margin-right:14px}.section-space{padding-top:63px;padding-bottom:63px}.section-heading h2,.language-copy h2,.identity-section h2{font-size:32px;letter-spacing:-1.3px}.section-heading{margin-bottom:35px}.approach-grid{grid-template-columns:1fr;gap:34px}.step-heading{margin-bottom:17px}.approach-grid p{max-width:100%;margin-bottom:16px}.language-layout{grid-template-columns:1fr;gap:32px}.language-detail{min-height:200px}.language-buttons button{font-size:12px}.identity-section{grid-template-columns:1fr;gap:44px}.identity-mark img{width:150px}.identity-mark:before{width:205px;height:205px}.identity-section>div:last-child{padding-top:8px}.faq-section{grid-template-columns:1fr;gap:30px}.faq-list summary{font-size:12px;padding-block:20px}.closing-section{padding-block:60px}.closing-inner h2{font-size:42px;letter-spacing:-1.8px}.closing-inner .eyebrow{font-size:12px}.site-footer{grid-template-columns:1fr;gap:20px;padding-block:30px}.site-footer>p,.footer-status{text-align:left}.site-footer>div{flex-wrap:wrap;gap:20px}.document-page h1{font-size:31px}.document-page{padding-top:50px}.not-found h1{font-size:65px}}@media(max-width:370px){.site-header{padding-inline:16px}.wrap{padding-inline:16px}.hero h1{font-size:37px;letter-spacing:-1.8px}.header-follow{font-size:12px}.hero-actions{gap:12px}.demo-body{padding:20px}.code-block{font-size:12px}.language-buttons{grid-template-columns:repeat(2,1fr)}.window-bar{gap:9px;font-size:12px}.visual-label{font-size:12px;letter-spacing:.3px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* Finite, transform-only brand motion. No animation library or render loop. */
.forge-mark{display:block;width:210px;max-width:100%;height:auto;margin:auto;overflow:visible}
@media(max-width:740px){.forge-mark{width:150px}}
@media(prefers-reduced-motion:no-preference){
.motion-enter{animation:section-arrive .65s cubic-bezier(.22,1,.36,1) both}
.identity-mark.motion-enter .forge-cyan{transform-origin:256px 256px;animation:forge-cyan-assemble 1.1s cubic-bezier(.22,1,.36,1) both}
.identity-mark.motion-enter .forge-orange{transform-origin:256px 256px;animation:forge-orange-assemble 1.1s cubic-bezier(.22,1,.36,1) both}
@keyframes section-arrive{from{opacity:.55;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
@keyframes forge-cyan-assemble{from{transform:translate(-28px,12px) rotate(-7deg)}to{transform:translate(0,0) rotate(0)}}
@keyframes forge-orange-assemble{from{transform:translate(28px,-12px) rotate(7deg)}to{transform:translate(0,0) rotate(0)}}
}

/* Companion colours and paths are taken from the app; brand logo stays two-tone. */
:root{--cyan:oklch(.76 .15 195);--bright:oklch(.84 .14 190);--deep:oklch(.54 .13 205);--surface:oklch(.29 .06 215);--glow-soft:oklch(.76 .15 195 / .14);--warm-soft:oklch(.72 .2 45 / .14);--shadow-tone:oklch(.54 .13 205 / .2);--coral:oklch(.74 .17 31)}
:root[data-theme="niko"]{--ink:oklch(.22 .045 30);--panel:oklch(.28 .052 30);--line:oklch(.37 .05 30);--cyan:oklch(.72 .2 45);--bright:oklch(.8 .18 58);--deep:oklch(.54 .19 37);--surface:oklch(.29 .052 38);--glow-soft:oklch(.72 .2 45 / .14);--shadow-tone:oklch(.54 .19 37 / .2)}
body,.code-window,.language-detail,.closing-section,.intro-strip{transition:background-color .3s ease,border-color .3s ease,color .3s ease}
.theme-switch{display:flex;gap:14px;flex-wrap:wrap;margin-top:25px}.theme-choice{display:flex;align-items:center;gap:10px;min-height:82px;flex:1;min-width:155px;padding:13px 15px;background:var(--ink);color:var(--paper);border:1px solid var(--line);border-radius:9px;text-align:left}.theme-choice[aria-pressed="true"]{border-color:var(--cyan);background:var(--glow-soft)}.theme-choice strong,.theme-choice small{display:block}.theme-choice strong{font-size:15px}.theme-choice small{font-size:12px;color:var(--mist)}.companion-silhouette{width:49px;height:49px;flex:none;overflow:visible}.bean-choice .companion-silhouette{color:oklch(.76 .15 195)}.niko-choice .companion-silhouette{color:oklch(.72 .2 45)}.theme-tick{margin-left:auto;color:var(--cyan);opacity:0}.theme-choice[aria-pressed="true"] .theme-tick{opacity:1}.theme-hint{font-size:12px!important;margin-top:14px!important;min-height:2em}.companion-preview-link{display:inline-block;margin-top:9px;color:var(--cyan)}
.companion-stage{min-height:300px;display:grid;place-items:center;isolation:isolate}.companion-stage:before{display:none}.active-companion{grid-area:1/1;color:var(--cyan)}.active-companion .companion-silhouette{width:210px;height:210px;filter:drop-shadow(0 16px 30px var(--shadow-tone))}.companion-orbit{grid-area:1/1;width:275px;height:275px;border:1px solid var(--line);border-radius:50%;background:radial-gradient(ellipse,var(--glow-soft),transparent 65%)}.companion-caption{font:12px var(--mono);letter-spacing:2px;color:var(--cyan);margin-top:18px}.companion-stage.theme-arrive .active-companion:not([hidden]){animation:companion-arrive .7s cubic-bezier(.22,1,.36,1) both}@keyframes companion-arrive{from{transform:translateY(16px) rotate(-5deg);opacity:.35}to{transform:translateY(0) rotate(0);opacity:1}}
.lesson-intro{color:var(--mist);font-size:12px;line-height:1.85}.glossary-term{font:inherit;color:var(--cyan);border:0;border-bottom:1px dashed currentColor;padding:2px 0;background:none;text-underline-offset:4px}.check-answer{width:100%;margin-top:16px;min-height:46px}.check-answer:disabled{opacity:.45}.answer-buttons button.wrong{border-color:var(--coral);color:var(--coral);background:#291a1c}.answer-buttons button.correct{border-color:var(--cyan);color:var(--cyan);background:var(--glow-soft)}
.lesson-dialog{width:min(440px,calc(100% - 28px));max-height:calc(100dvh - 32px);overflow:auto;padding:25px;border-radius:13px;border:1px solid var(--cyan);background:var(--panel);color:var(--paper);box-shadow:0 24px 80px #0008}.lesson-dialog::backdrop{background:#000a}.lesson-dialog[data-result="wrong"]{border-color:var(--coral);background:#291a1c}.dialog-header{display:flex;align-items:center;gap:10px;margin-bottom:18px}.dialog-header h2{font-size:21px;margin:0;letter-spacing:-.6px}.dialog-header>span{font-size:28px;color:var(--cyan)}.lesson-dialog[data-result="wrong"] .dialog-header>span,.lesson-dialog[data-result="wrong"] h2{color:var(--coral)}.dialog-close{margin-left:auto;min-width:44px;min-height:44px;border:1px solid var(--line);background:transparent;color:var(--paper);font-size:25px;border-radius:6px}.lesson-dialog p{font-size:14px;line-height:1.85;color:var(--mist)}.dialog-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:23px}.dialog-actions .button{flex:1;min-width:130px}.explain-button{border:1px solid var(--line);background:transparent;color:var(--paper)}.explanation-extra{border-top:1px solid var(--line);padding-top:15px}.term-dialog{border-color:var(--cyan)}
@media(max-width:740px){.companion-stage{min-height:240px}.active-companion .companion-silhouette{width:170px;height:170px}.companion-orbit{width:235px;height:235px}}
@media(prefers-reduced-motion:reduce){body,.code-window,.language-detail,.closing-section,.intro-strip{transition:none}.companion-stage.theme-arrive .active-companion{animation:none}}

.window-bar{flex-wrap:wrap;row-gap:8px}.window-footer{line-height:1.7}.visual-label{flex-wrap:wrap;line-height:1.7}.availability,.explorer-caption,.theme-hint{font-size:13px!important}.theme-choice small{font-size:12px}.lesson-intro{font-size:14px}.demo-feedback p{font-size:13px}.hero-visual{overflow-wrap:anywhere}

/* Keep the first example close to the header and remove redundant space. */
.hero{align-items:start;padding-top:38px;padding-bottom:64px}.hero-copy{padding-top:10px}.visual-label{margin-bottom:10px}.demo-body{padding:20px 23px 16px}.demo-kicker{display:none}.demo-body h2{margin-bottom:10px;font-size:23px}.lesson-intro{margin-bottom:14px;line-height:1.55}.code-block{padding-top:10px;padding-bottom:10px;line-height:1.8}.answer-group{margin:14px 0 0}.answer-group legend{margin-bottom:8px}.check-answer{margin-top:12px}.demo-feedback{min-height:0;margin-top:12px;line-height:1.55}.demo-feedback p{margin-bottom:0}.window-footer{padding:9px 12px}.visual-note{padding-top:16px}.reset-example{margin-top:9px}
@media(min-width:741px) and (max-height:800px){.site-header{min-height:82px;padding-top:14px;padding-bottom:14px}.hero{padding-top:24px}.visual-note{display:none}.hero h1{font-size:clamp(2.5rem,4.8vw,4rem)}.hero-description{line-height:1.7}.hero-actions{margin-top:20px}}
@media(max-width:740px){.hero{padding-top:32px;gap:32px}.hero-copy{padding-top:0}.demo-body{padding:20px}.visual-note{padding-top:14px}}

.code-window{position:relative}#feedback-dialog{position:absolute;inset:0;width:100%;height:100%;max-height:none;margin:0;border:2px solid var(--cyan);border-radius:11px;padding:28px 25px;z-index:2;box-shadow:none;display:flex;flex-direction:column;justify-content:center;background:var(--panel)}#feedback-dialog[hidden]{display:none}#feedback-dialog[data-result="wrong"]{border-color:var(--coral);background:#291a1c}#feedback-dialog .dialog-header{flex-shrink:0}#feedback-dialog .dialog-actions{flex-shrink:0}#feedback-dialog p{overflow-wrap:anywhere}@media(max-height:600px){#feedback-dialog{justify-content:flex-start}}

/* Alternating full-width bands follow the selected companion palette. */
:root{--section-band:oklch(.34 .065 200)}:root[data-theme="niko"]{--section-band:oklch(.33 .065 30)}
.intro-strip,.language-section,.closing-section{background:var(--section-band);border-color:var(--line)}.strip-inner{color:var(--paper)}.intro-strip{padding-block:8px}.strip-inner{gap:24px}.strip-inner span{line-height:1.8}

.hero-visual::before{display:none}

.intro-strip,.language-section,.closing-section{border-block:0}
.feedback-companion{display:flex;align-items:center;gap:10px;margin-bottom:15px}.feedback-companion .companion-silhouette{width:42px;height:42px;color:var(--cyan)}.feedback-companion p{margin:0!important;font-size:13px!important}.feedback-companion strong{color:var(--cyan)}
.ticker{display:flex;align-items:center;gap:16px;padding:16px 24px;overflow:hidden}.ticker-window{flex:1;min-width:0;overflow:hidden}.ticker-track{display:flex;width:max-content;animation:ticker-travel 45s linear infinite}.ticker-group{display:flex;align-items:center;gap:54px;padding-right:54px;flex-shrink:0}.ticker-item{display:flex;align-items:center;gap:12px;white-space:nowrap;color:var(--paper);font-size:14px}.ticker-item .companion-silhouette{width:37px;height:37px;color:var(--cyan)}.feature-item{font:12px var(--mono);letter-spacing:.6px}.feature-item:before{content:'✦';color:var(--cyan);font-size:18px}.ticker-pause{flex:none;background:var(--ink);border:1px solid var(--line);border-radius:6px;color:var(--paper);min-height:44px;padding:9px 14px;font-size:12px}.ticker-window:hover .ticker-track,.ticker-window:focus-within .ticker-track,.ticker-paused .ticker-track,.ticker-hidden-page .ticker-track,.ticker-offscreen .ticker-track{animation-play-state:paused}@keyframes ticker-travel{to{transform:translateX(-50%)}}
@media(prefers-reduced-motion:reduce){.ticker-track{animation:none;display:block;width:auto}.ticker-group{display:flex;flex-wrap:wrap;gap:18px;padding:0}.ticker-item{white-space:normal}.ticker-copy{display:none}.ticker-pause{display:none}}
@media(max-width:740px){.ticker{padding:14px 16px;gap:10px}.ticker-item{font-size:13px}.ticker-pause{padding-inline:10px}}

/* Glossary stays inside the lesson and never creates a page backdrop. */
#term-dialog{position:absolute;inset:14px;width:auto;height:fit-content;max-height:calc(100% - 28px);margin:auto 0;padding:23px;z-index:4;box-shadow:0 10px 32px #0006;background:var(--panel);border-color:var(--cyan)}#term-dialog[hidden]{display:none}#term-dialog .button{min-height:44px}

.site-header .wordmark img{width:56px;height:56px;flex-shrink:0}
@media(max-width:740px){.site-header .wordmark img{width:44px;height:44px}}

.cookie-notice{position:fixed;right:22px;bottom:76px;width:min(430px,calc(100% - 36px));padding:24px;border:1px solid var(--cyan);border-radius:12px;background:var(--panel);color:var(--paper);box-shadow:0 18px 60px #0006;z-index:20;max-height:calc(100dvh - 105px);overflow:auto}.cookie-notice .eyebrow{font-size:11px;margin-bottom:9px}.cookie-notice h2{font-size:21px;line-height:1.3;margin-bottom:12px;letter-spacing:-.6px}.cookie-notice>p:not(.eyebrow){font-size:13px;line-height:1.8;color:var(--mist);margin-bottom:18px}.cookie-actions{display:flex;align-items:center;justify-content:space-between;gap:18px}.cookie-actions a{font-size:12px;text-decoration:underline;text-underline-offset:4px;color:var(--cyan)}.cookie-actions .button{min-height:44px;padding:10px 18px;font-size:13px}.privacy-control{position:fixed;right:22px;bottom:18px;z-index:19;min-height:44px;padding:9px 14px;background:var(--panel);color:var(--paper);border:1px solid var(--line);border-radius:7px;font-size:12px}@media(max-width:740px){.cookie-notice{right:18px;bottom:74px;padding:20px}.privacy-control{right:18px;bottom:16px}}