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p{color:var(--muted)}.path-steps{list-style:none;padding:0;counter-reset:paths}.path-steps li{counter-increment:paths;border-bottom:1px solid var(--line);padding:25px 0;display:flex;gap:25px}.path-steps li::before{content:counter(paths,decimal-leading-zero);font:14px ui-monospace,monospace;color:var(--accent);padding-top:8px}.path-steps a{font-size:24px;font-weight:600;text-decoration:none}.path-steps p{margin:6px 0;color:var(--muted)}.path-steps .tick{margin-left:auto;align-self:center}.video-poster{aspect-ratio:16/9;width:100%;object-fit:cover;border-radius:8px}.video-frame{aspect-ratio:16/9;width:100%;border:0;background:#000}.studio-room{background:linear-gradient(#0b1210b8,#0b1210d9),var(--room) center/cover;border:1px solid var(--line);border-radius:20px;padding:32px}.hud-preview{aspect-ratio:2/1;background:black;display:grid;place-items:center;border:1px solid var(--line);border-radius:9px;margin:20px 0;overflow:hidden}.hud-preview video{width:100%;height:100%;object-fit:contain}.hud-preview p{color:#1fff3d;font:24px/1.4 ui-monospace,monospace;text-align:center;padding:20px}.studio-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:25px}.audio{width:100%;margin:15px 0}.file-control input{max-width:100%;font-size:14px}.flow-nodes{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin:25px 0}.flow-node{padding:16px;border:1px solid var(--line);border-radius:9px;background:var(--panel);font-size:14px}.empty{border:1px dashed var(--line);padding:30px;margin:20px 0}.diagram-highlight{color:var(--accent)}.screen-buttons{display:flex;gap:10px;flex-wrap:wrap}.screen-buttons button.active{border-color:var(--accent);box-shadow:inset 0 -2px var(--accent)}.reveal{transition:opacity .5s,transform .5s}.js-motion .reveal.pending{opacity:0;transform:translateY(18px)}.motion-off *, .motion-off *::before,.motion-off *::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.motion-off .reveal.pending{opacity:1;transform:none}body.page-hidden *{animation-play-state:paused!important}@keyframes signal{to{transform:scaleY(.4);opacity:.4}}@keyframes ticker{to{transform:translateX(-50%)}}@keyframes ambient{to{opacity:.2;transform:translateX(2%)}}.table-scroll{overflow:auto}table{width:100%;border-collapse:collapse;min-width:580px}td,th{padding:14px;text-align:left;border-bottom:1px solid var(--line);font-size:14px;vertical-align:top}code{font-size:.85em;overflow-wrap:anywhere}[hidden]{display:none!important}@media(max-width:1050px){.hero-grid{gap:28px}.grid-four{grid-template-columns:1fr 1fr}.hero h1{font-size:64px}.course-grid,.reference-grid{grid-template-columns:1fr 1fr}.feature-split{gap:35px}.navlinks{gap:17px}}@media(max-width:760px){.wrap{padding:0 20px}.nav{min-height:73px;flex-wrap:wrap;gap:10px}.menu-toggle{display:inline-flex}.navlinks{display:none;flex-basis:100%;flex-wrap:wrap;padding:15px 0 20px}.navlinks.open{display:flex}.navlinks>a{padding:10px}.hero{padding:45px 0}.hero-grid,.feature-split,.lesson-layout,.studio-grid{grid-template-columns:1fr}.hero h1{font-size:clamp(46px,12vw,68px)}.hero-grid{gap:40px}.hero .demo{max-width:560px}.section{padding:65px 0}.section-head{display:block}.grid-four,.steps-grid,.course-grid,.reference-grid,.settings-list{grid-template-columns:1fr}.audience-card{min-height:220px}.audience-card h3{margin-top:24px}.cta-band{padding:28px;display:block}.cta-band h2{font-size:35px}.screen-panel{position:static}.lesson-panel{grid-row:1}.screen-panel img{max-height:500px}.studio-room{padding:20px}.footer-top{display:block}.footer-links{margin-top:25px;gap:18px}.dialogue{font-size:17px}.meaning{margin-left:12px}.demo-stage{min-height:420px}.reference-list-footer{align-items:start}.page-hero{padding-top:38px}.nav .brand{font-size:23px}.path-steps{font-size:15px}.path-steps a{font-size:21px}.path-steps li{gap:15px}.path-steps .tick{font-size:12px;padding:8px}.intro-meta{font-size:13px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.js-motion .reveal.pending{opacity:1;transform:none}}@media print{.header,.footer,button,.button,.filters{display:none}.wrap{max-width:none}.screen-panel{position:static}body{background:white;color:black}.muted,p,li{color:#243d30!important}.course,.reference,.callout{background:white}.lesson-layout{display:block}.reveal{opacity:1!important;transform:none!important}}
.studio-room{position:relative;isolation:isolate;overflow:hidden;background:none}.studio-room::before{content:'';position:absolute;inset:-15px;background:var(--room) center/cover;filter:blur(10px);opacity:.3;z-index:-2}.studio-room::after{content:'';position:absolute;inset:0;z-index:-1;background:radial-gradient(ellipse at 10% 30%,var(--accent),transparent 70%);opacity:.12;animation:ambient 18s ease-in-out infinite alternate}

.practice-steps{padding-left:25px;margin:28px 0 60px}.practice-steps li{padding:8px 0 22px 12px}.practice-steps li::marker{color:var(--accent);font-weight:700}.practice-steps h3{margin:0}.practice-result{border-left:2px solid var(--accent);padding-left:18px;color:var(--muted)}
/* Audience-first discovery and interactive handbook */
[hidden]{display:none!important}.audience-entry{padding:76px 0 56px;border-bottom:1px solid var(--line);background:radial-gradient(ellipse at 80% 15%,#143e302b,transparent 65%)}.audience-entry h1{font-size:clamp(48px,6vw,88px);letter-spacing:-.065em;line-height:1.04;margin:18px 0 24px}.audience-choices{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:40px 0 22px}.audience-choices>a{display:flex;flex-direction:column;text-decoration:none;gap:12px;padding:26px 20px;border:1px solid var(--line);border-top:3px solid var(--accent);border-radius:16px;background:var(--panel);transition:transform .22s,border-color .22s}.audience-choices>a:hover,.audience-choices>a.selected{transform:translateY(-5px);border-color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,var(--panel))}.audience-choices strong{font-size:20px;line-height:1.2}.persona-symbol{font-size:36px;color:var(--accent)}.persona-panel{position:relative;isolation:isolate;overflow:hidden;border:1px solid var(--line);border-radius:20px;padding:40px;display:grid;grid-template-columns:1.05fr 1fr;gap:48px;margin-top:32px}.persona-panel::before,.venue-story::before{content:'';position:absolute;inset:-25px;background:linear-gradient(#0b1210a8,#0b1210f0),var(--room) center/cover;filter:blur(8px);z-index:-1;animation:room-drift 24s ease-in-out infinite alternate}.persona-panel h2{font-size:clamp(30px,3.5vw,48px);line-height:1.12}.persona-panel ul{list-style:none;padding:0;margin:0;display:grid;gap:12px}.persona-panel li a{display:block;padding:17px 20px;background:#14221dee;border:1px solid var(--line);border-radius:12px;text-decoration:none}.persona-panel li strong{display:block;color:var(--accent)}.persona-panel li span{display:block;font-size:14px;color:var(--muted);margin-top:5px}.venue-story{position:relative;isolation:isolate;overflow:hidden;border:1px solid var(--line);padding:40px;border-radius:22px;min-height:430px;display:flex;flex-direction:column;justify-content:center}.venue-story>p{font-size:22px}.story-result{padding:24px;background:var(--pale);color:var(--bg);border-radius:14px;margin-top:18px}.story-result span{font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:var(--accent-dark)}.story-result h3{font-size:23px;line-height:1.4;margin:12px 0 0}.home-title{font-size:clamp(52px,6.6vw,96px);letter-spacing:-.07em;line-height:1.04}.handbook-tools{margin-bottom:30px}.handbook-tools label{display:block;max-width:700px;margin-bottom:20px}.guide-orientation{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-bottom:48px;border-bottom:1px solid var(--line);padding-bottom:30px}.guided-workspace{display:grid;grid-template-columns:1.05fr 1fr;gap:60px;align-items:start}.guide-instruction{position:sticky;top:115px}.guide-instruction h2{font-size:clamp(28px,3vw,44px)}.expected{border-left:3px solid var(--accent);padding:10px 0 10px 20px;margin:24px 0}.expected p{margin-bottom:0}.phone-stage{background:radial-gradient(ellipse,var(--panel),transparent 65%);padding:0 20px}.phone-model{max-width:370px;min-height:615px;margin:auto;background:#f2f4f3;color:#14221d;border:9px solid #26352d;box-shadow:0 28px 80px #0007;border-radius:42px;padding:15px 13px 18px;position:relative;overflow:hidden}.phone-status{display:flex;justify-content:space-between;font-size:12px;font-weight:700;padding:2px 15px 22px}.phone-toolbar{display:flex;justify-content:space-between;font-size:12px;color:#176044;margin:0 8px}.phone-model h2{font-size:27px;letter-spacing:-.04em;line-height:1.1;margin:24px 8px 20px}.phone-sample{font-size:11px;color:#40534a;display:flex;gap:8px;align-items:center;padding:10px;background:#e2e9e5;border-radius:8px;margin:8px 0 20px}.sample-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#12895a}.phone-row{display:flex;justify-content:space-between;width:100%;min-height:50px;border:1px solid #d3dbd6;border-radius:0;background:white;color:#16231b;text-align:left;padding:13px 14px;font-size:15px;font-weight:500;white-space:normal;overflow-wrap:anywhere}.phone-row:first-child{border-radius:13px 13px 0 0}.phone-row:last-child{border-radius:0 0 13px 13px}.phone-row.is-target{position:relative;z-index:1;background:#def5e7;border:2px solid #13764f;box-shadow:0 0 0 3px #00b86924;color:#123b29;font-weight:700;animation:focus-control 3s ease-in-out infinite}.phone-row.is-done{background:#bdf1ce}.phone-feedback{min-height:75px;margin:23px 7px 40px;padding:12px;border-left:2px solid #13764f;font-size:12px;color:#34493e;line-height:1.5}.phone-bottom{font-size:11px;text-align:center;border-top:1px solid #ced9d2;padding-top:16px;color:#3e5447}.model-caption{max-width:380px;margin:25px auto;text-align:center}.written-guide{margin:50px 0}.written-guide summary{font-size:24px;font-weight:650}.written-guide li{margin:25px 0;padding:5px 10px}.written-guide h3{margin:0}.tool-directory{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:32px 0}.tool-directory article{padding:24px;border:1px solid var(--line);border-radius:14px;background:var(--panel);min-width:0}.tool-directory code{overflow-wrap:anywhere;font-size:16px}.tool-directory h3{margin-top:0}.prompt-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px 24px}.ask-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(250px,.75fr);gap:36px}.ask-layout aside .callout{margin-top:25px}.ask-prompts{display:grid;gap:12px;margin-top:20px}.ask-prompts button{text-align:left;justify-content:flex-start;font-weight:500}.consent-check{display:flex;gap:14px;align-items:flex-start;margin-top:24px}.consent-check input{min-width:23px;height:23px;accent-color:var(--green)}#ask-form textarea{display:block;width:100%;margin:12px 0;resize:vertical;min-height:120px;border:1px solid var(--line);border-radius:12px;background:var(--panel);color:var(--paper);padding:18px;font:inherit}#ask-form{margin:25px 0}.ask-transcript{display:grid;gap:18px;margin:24px 0}.chat-message{padding:24px;border:1px solid var(--line);border-radius:16px;white-space:pre-wrap;overflow-wrap:anywhere}.chat-message.user{background:#1b3529;margin-left:40px}.chat-message.assistant{background:var(--panel);margin-right:20px}.chat-message strong{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.12em;margin-bottom:12px;color:var(--muted)}.chat-sources{display:grid;gap:8px;margin-top:18px;font-size:14px}.chat-sources a{white-space:normal}.assistant-consent p{font-size:15px}.reference-model .phone-row{min-height:52px}.reference-model{margin:20px auto;max-width:440px;background:#eff5f1;padding:22px;border-radius:24px;color:#14221d}.reference-model h3{font-size:26px}.reference-model p{font-size:12px;color:#415b4b}@keyframes focus-control{50%{box-shadow:0 0 0 6px #00b86918}}@keyframes room-drift{to{transform:translate3d(9px,-5px,0) scale(1.04)}}
@media(max-width:1000px){.audience-choices{grid-template-columns:repeat(2,1fr)}.guided-workspace{gap:25px}.phone-stage{padding:0}.persona-panel{gap:24px;padding:28px}.navlinks{gap:16px}}
@media(max-width:760px){.audience-entry{padding:44px 0}.audience-choices{gap:10px;margin-top:25px}.audience-choices>a{padding:18px 13px}.audience-choices strong{font-size:17px}.audience-choices .fine{font-size:11px}.persona-panel,.guide-orientation,.guided-workspace,.ask-layout,.tool-directory,.prompt-grid{grid-template-columns:1fr}.persona-panel{padding:23px}.guide-instruction{position:static}.phone-model{min-height:550px;max-width:350px}.guided-workspace{gap:36px}.venue-story{min-height:350px;padding:26px}.chat-message.user{margin-left:15px}.chat-message.assistant{margin-right:0}.ask-layout{gap:30px}.home-title{font-size:48px}}
.readable{max-width:850px}.readable h2{font-size:32px;margin-top:46px}.light-section{background:var(--paper);color:var(--bg)}.light-section .eyebrow{color:var(--accent-dark)}.light-section h2{max-width:980px}
/* Source-informed teaching views: app emerald inside, audience color outside. */
.phone-model{background:linear-gradient(150deg,#192921,#0d1713);color:#f4f8f5;border:7px solid #273b31;box-shadow:0 35px 80px #0005,inset 0 1px #ffffff20;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.phone-model h2{color:#f4f8f5;font-size:1.55rem}.phone-model .phone-toolbar,.phone-model .phone-status,.phone-model .phone-sample,.phone-model .phone-bottom{color:#b8cabe}.phone-toolbar{border-bottom:1px solid #ffffff15;padding-bottom:14px}.phone-model .phone-row{color:#f3f9f4;background:#ffffff08;border:1px solid #ffffff18;display:flex;gap:10px;align-items:center;text-align:left;position:relative;padding:12px;min-height:50px;line-height:1.35;border-radius:14px}.phone-model .phone-row.is-target{background:#00b86920;border:2px solid #61e5a6;box-shadow:0 0 0 3px #00b86918;animation:none}.phone-model .phone-row.is-done{background:#00b86940}.phone-row .control-name{flex:1}.phone-row:focus-visible{outline:3px solid white;outline-offset:4px}.native-control-icon{color:#82e7b5;font-size:20px;flex-shrink:0}.guide-arrow{font-size:25px;color:#b8ffd9;animation:point-control 1.6s ease-in-out 3}.phone-feedback{background:#00b86918;color:#d5f8e5;border-color:#00b86955;font-size:.83rem;line-height:1.5}.native-scene{position:relative;overflow:hidden;border:1px solid #ffffff12;border-radius:18px;background:linear-gradient(150deg,#ffffff0a,#ffffff02);padding:16px;margin:10px 0 18px;animation:scene-arrive .45s ease-out}.native-caption{font-size:.75rem!important;color:#b8cabe!important;line-height:1.55;margin:10px 0 0}.native-section{color:#a6c7b5;font-size:.64rem;font-weight:700;letter-spacing:.13em;margin:9px 0}.device-art{height:60px;max-width:190px;margin:20px auto 24px;position:relative}.glasses-art{display:flex;gap:14px;align-items:center}.glasses-art:before{content:'';height:5px;background:#a4dfc4;width:30px;position:absolute;left:80px;top:24px}.glasses-art i{width:88px;height:53px;border:6px solid #a4dfc4;border-radius:18px 18px 26px 26px;transform:rotate(-3deg);background:linear-gradient(135deg,#81ffc72a,transparent)}.glasses-art i+i{transform:rotate(3deg)}.ring-art{width:68px;height:68px;border:10px solid #b6d8c5;border-radius:50%;box-shadow:inset 3px 2px 6px #0008,3px 5px 12px #0005}.keyboard-art{display:grid;grid-template-columns:repeat(8,1fr);gap:4px;padding:8px;background:#547664;border-radius:8px}.keyboard-art i{background:#c3dfcf;border-radius:2px}.scan-line{height:2px;width:100%;background:linear-gradient(90deg,transparent,#73f9b4,transparent);animation:scan-reveal 2s ease-in-out 3}.hud-canvas{aspect-ratio:2.1;position:relative;border:1px solid #539d71;border-radius:9px;background-color:#020905;background-image:linear-gradient(#64cd7a12 1px,transparent 1px),linear-gradient(90deg,#64cd7a12 1px,transparent 1px);background-size:14px 14px;color:#96ffae}.hud-region{position:absolute;top:4%;left:3%;width:75%;height:78%;border:1px dashed #96ffae;background:#38be531c;white-space:pre-line;font:11px/1.6 ui-monospace,monospace;padding:9px;transition:height .55s,top .55s}.hud-region.framed{border:2px solid #96ffae;border-radius:7px}.hud-clock{position:absolute;right:5%;bottom:10%;font:10px ui-monospace,monospace}.builder-rail{display:flex;gap:3px;flex-wrap:wrap}.builder-rail span{font-size:.62rem;padding:5px 6px;border-radius:7px;background:#ffffff0a}.builder-rail .active{color:#06170c;background:#6ee7a7}.routine-card,.ticket-preview{font-size:1.1rem;font-weight:600;margin-top:15px}.ticket-chip{display:inline-block;font-size:.65rem;color:#bee9d0;border:1px solid #557865;border-radius:20px;padding:3px 9px;margin-top:8px}.chat-bubble{padding:12px;background:#ffffff0b;border-radius:15px;margin:8px 0;font-size:.8rem}.chat-bubble.user{background:#00b86924;margin-left:25px}.memory-quote{font-size:1rem;line-height:1.6;border-left:2px solid #75dfaa;padding-left:12px}.form-preview{white-space:pre-line;background:#0002;padding:14px;border:1px solid #ffffff18;border-radius:9px;font-size:.8rem;line-height:1.8}.app-tile{display:flex;gap:8px;align-items:center;padding:12px 6px;font-size:.8rem}.app-icon{font-size:28px;color:#79eab1}.native-switch{margin-left:auto;background:#00b869;width:28px;height:17px;border-radius:20px;position:relative}.native-switch:after{content:'';position:absolute;background:white;border-radius:50%;height:13px;width:13px;right:2px;top:2px}.demo-playback{display:flex;gap:10px;flex-wrap:wrap;margin-top:15px}.step-jump{width:100%;font-size:.8rem}.step-jump select{display:block;width:100%;max-width:100%;margin-top:6px;padding:12px;background:#15281e;border:1px solid #719080;color:white;border-radius:10px;font:inherit}.phone-stage{min-width:0}.phone-model{width:min(100%,380px);box-sizing:border-box}.guide-instruction{min-width:0}.article-body{max-width:760px;margin:auto}.article-body p{font-size:1.13rem;line-height:1.85}.article-body h2{font-size:1.8rem;margin-top:2.5rem}.article-contents{display:flex;gap:10px;flex-wrap:wrap;margin:25px 0}.article-contents a{font-size:.82rem;border:1px solid var(--line);border-radius:30px;padding:7px 12px}.article-body section{scroll-margin-top:110px}.concept-flow{display:flex;flex-wrap:wrap;gap:8px;margin:30px 0}.concept-flow span{padding:14px;border:1px solid #5c9d7b;border-radius:10px;color:#ccead8}.concept-flow span:nth-child(2){animation:scene-arrive .7s ease-out}.concept-flow span:nth-child(3){animation:scene-arrive 1s ease-out}.article-note{font-size:.85rem!important;color:var(--muted)}
@keyframes scene-arrive{from{opacity:.35;transform:translateY(9px)}to{opacity:1;transform:none}}@keyframes point-control{50%{transform:translateX(-5px)}}@keyframes scan-reveal{50%{opacity:.3;transform:scaleX(.4)}}
@media(max-width:700px){.guide-instruction{position:static}.guided-workspace{gap:28px}.phone-stage{padding:8px}.phone-model{padding:20px 16px}.article-body p{font-size:1rem}.article-body h2{font-size:1.5rem}}
@media(prefers-reduced-motion:reduce){.native-scene,.guide-arrow,.scan-line,.concept-flow span{animation:none!important}.hud-region{transition:none}}
.motion-off .native-scene,.motion-off .guide-arrow,.motion-off .scan-line,.motion-off .concept-flow span{animation:none!important}.motion-off .hud-region{transition:none}

.phone-model .phone-sample{background:#ffffff08;color:#b8cabe;border:1px solid #ffffff16}

.brand-logo{width:154px;height:44px;object-fit:contain;flex-shrink:0}.purchase-price{font-size:2.5rem;font-weight:700}.purchase-price span{display:block}.navlinks{flex-wrap:wrap}.nav{gap:1rem}@media(min-width:901px){.navlinks{gap:1rem;font-size:.85rem}}

.header .brand{flex:0 0 auto}.header .brand-logo{display:block;width:112px;height:32px;max-width:112px}.header .nav{min-height:70px}.header .navlinks{flex-wrap:nowrap;gap:clamp(10px,1.3vw,20px)}.header-purchase{white-space:nowrap}@media(max-width:1100px) and (min-width:901px){.header .wrap{padding-left:20px;padding-right:20px}.header .navlinks{font-size:12px;gap:10px}.header .nav{gap:14px}}

#choose-your-world + .hero{padding-bottom:32px}.persona-panel ul{display:grid;grid-template-columns:1fr 1fr;gap:14px;list-style:none;padding:0}.persona-panel li{margin:0}.persona-panel li a{height:100%;display:block}.scenario-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.scenario-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;overflow:hidden}.scenario-card img{display:block;width:100%;height:210px;object-fit:cover}.scenario-copy{padding:25px}.scenario-copy h3{font-size:23px}.scenario-copy p{font-size:15px}.scenario-copy ol{padding-left:21px;font-size:14px;color:var(--muted)}.app-example-image{width:100%;display:block;border-radius:14px;border:1px solid var(--line)}@media(max-width:1000px){.scenario-grid{grid-template-columns:1fr 1fr}}@media(max-width:760px){.persona-panel ul,.scenario-grid{grid-template-columns:1fr}#choose-your-world + .hero{padding-bottom:20px}}

.scenario-card .example-screen{height:310px;object-fit:contain;background:#e8f0eb;padding:18px}.concept-story{margin:30px 0 48px}.concept-story figure{margin:0}.concept-story figcaption{margin-top:10px}

.ask-working{display:flex;align-items:center;gap:16px;padding:20px;border:1px solid var(--green);border-radius:12px;background:#00b86912;margin:20px 0}.ask-working[hidden]{display:none}.ask-working p{font-size:14px;color:var(--muted);margin:4px 0}.ask-working button{margin-left:auto}.ask-spinner{width:26px;height:26px;flex:0 0 26px;border:3px solid #00b86938;border-top-color:var(--green);border-radius:50%;animation:assistant-spin 1s linear infinite}@keyframes assistant-spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.ask-spinner{animation:none;border-color:var(--green);border-style:dotted}}@media(max-width:600px){.ask-working{flex-wrap:wrap}.ask-working>div{flex:1;min-width:170px}}

.native-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin:35px 0 50px}.native-gallery figure{margin:0;background:var(--panel);border:1px solid var(--line);padding:20px;border-radius:14px;min-width:0}.native-gallery img{display:block;width:100%;height:auto;max-height:520px;object-fit:contain;border-radius:12px}.native-gallery figcaption{font-size:13px;color:var(--muted);line-height:1.6;margin-top:15px}.native-gallery a{display:block}.article-body+.native-gallery{margin-top:25px}.chapter-sample{font-size:16px;line-height:1.8;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:24px;white-space:pre-wrap}code{overflow-wrap:anywhere}@media(max-width:950px){.native-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.native-gallery{grid-template-columns:1fr}.native-gallery img{max-height:620px}}

@media(max-width:900px){.header .nav{flex-wrap:wrap;gap:10px}.header .menu-toggle{display:inline-flex}.header .navlinks{display:none;flex-basis:100%;padding:12px 0 20px;flex-wrap:wrap}.header .navlinks.open{display:flex;flex-direction:column;align-items:stretch;gap:4px}.header .navlinks>a{padding:12px 14px}.header .header-purchase{align-self:flex-start}}

/* Shared header typography is explicit so page-specific body styles cannot change it. */
.header{font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:14px;font-weight:400;line-height:1.5;letter-spacing:normal}
.header .navlinks>a{font-family:inherit;font-size:14px;font-weight:500;line-height:1.5;letter-spacing:normal}
.header .navlinks>a.header-purchase,.header .menu-toggle{font-family:inherit;font-size:13px;font-weight:600;line-height:1.5;letter-spacing:normal}