@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');
:root{--bg:#f4f5f0;--ink:#11202b;--muted:#51616b;--navy:#101b27;--mint:#b9f271;--cyan:#89dfdb;--orange:#faaf72;--line:#cbd3ce;--panel:#fff;--radius:22px;--header:66px;--footer:64px;font-family:'DM Sans',Arial,sans-serif;color:var(--ink);background:var(--bg)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0}button,a,summary{touch-action:manipulation}button{font:inherit}a{color:inherit}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #e46e36;outline-offset:4px}.skip-link{position:fixed;top:-60px;left:20px;z-index:100;background:#fff;padding:12px 18px;border-radius:8px}.skip-link:focus{top:12px}.topbar{height:var(--header);position:fixed;top:0;left:0;right:0;z-index:30;display:flex;align-items:center;gap:28px;padding:0 3vw;background:rgba(16,27,39,.97);color:#fff;box-shadow:0 2px 18px #101b2718}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:'Space Grotesk',sans-serif;font-weight:700;line-height:1}.brand small{display:block;font:500 10px 'DM Sans',sans-serif;letter-spacing:.16em;margin-top:5px;color:#b9c8cb}.brand-mark{background:var(--mint);color:var(--navy);padding:9px 7px;border-radius:7px;font-size:19px}.chapter-nav{display:flex;gap:4px;align-items:center;overflow:auto;scrollbar-width:none;white-space:nowrap}.chapter-nav a{display:flex;gap:7px;align-items:center;border-radius:100px;padding:8px 11px;text-decoration:none;font-size:12px;color:#bec9cd}.chapter-nav a span{font-size:10px;color:#8c9ca2}.chapter-nav a:hover,.chapter-nav a[aria-current]{background:#30414a;color:#fff}.chapter-nav a[aria-current] span{color:var(--mint)}.menu-toggle{display:none}.top-progress{position:absolute;left:0;right:0;bottom:0;height:3px;background:#364650}.top-progress span{display:block;height:100%;background:var(--mint);transition:width .2s}.chapter{position:relative}.chapter-intro{height:0;overflow:hidden}.scene{min-height:100svh;scroll-margin-top:0;display:grid;align-items:center;padding:calc(var(--header) + 42px) clamp(22px,5vw,86px) calc(var(--footer) + 40px);position:relative;border-bottom:1px solid #dce2dc}.scene:nth-child(3n+1){background:#eef2eb}.scene:nth-child(3n+2){background:#f9f9f5}.scene-inner{width:min(1220px,100%);margin:auto;display:grid;grid-template-columns:minmax(280px,.9fr) minmax(460px,1.3fr);gap:clamp(30px,5vw,85px);align-items:center}.scene-copy{align-self:center}.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-weight:700;font-size:12px;color:#386a67;display:flex;gap:16px;align-items:center;margin:0 0 22px}.eyebrow span{font-family:'Space Grotesk',sans-serif;color:#7c8d8a}.scene h3{font-family:'Space Grotesk',Arial,sans-serif;letter-spacing:-.055em;font-size:clamp(38px,4.8vw,76px);line-height:1.04;margin:0 0 24px;max-width:640px}.scene h3 em{font-style:normal;color:#387d78}.lead{font-size:clamp(17px,1.45vw,22px);line-height:1.5;color:#465a61;max-width:600px;margin:0}.scene-visual{min-width:0}.hero,.end{background:var(--navy)!important;color:#f4f8f3}.hero .scene-inner,.end .scene-inner{grid-template-columns:1fr 1fr}.hero .eyebrow,.end .eyebrow{color:var(--mint)}.hero h3 em,.end h3 em{color:var(--mint)}.hero .lead,.end .lead{color:#c4d3d5}.hero-art{display:flex;align-items:center;gap:22px;justify-content:center;transform:rotate(-5deg)}.hero-table{width:220px;border:1px solid #658077;border-radius:16px;padding:18px;color:var(--mint);font:700 13px 'Space Grotesk',sans-serif;box-shadow:0 25px 65px #0005;background:#1d303a}.hero-table span{display:block;background:#2e464c;margin-top:12px;border-radius:7px;padding:13px;color:#e2f3eb}.hero-table--dest{transform:translateY(50px);color:var(--cyan)}.hero-table--dest span{color:#90aaa9}.hero-line{color:var(--mint);font-size:50px}.flow{display:flex;align-items:stretch;gap:10px;flex-wrap:wrap;margin:25px 0}.flow-step{background:var(--navy);color:#f9fcf7;min-width:130px;flex:1;padding:20px;border-radius:15px;display:flex;flex-direction:column;gap:17px;box-shadow:0 15px 35px #10212a14}.flow-step span{color:var(--mint);font:700 12px 'Space Grotesk',sans-serif}.flow-step strong{font:600 16px 'Space Grotesk',sans-serif}.flow-arrow{align-self:center;font-size:25px;color:#4f837e}.end .flow-step{background:#263840}.end .flow-arrow{color:var(--mint)}.code-panel{margin:0;background:#111c27;color:#e9f3ee;border-radius:var(--radius);overflow:hidden;box-shadow:0 24px 50px #10212a22;min-width:0}.code-panel figcaption{display:flex;align-items:center;gap:9px;background:#20303a;color:#b9cbc9;padding:14px 20px;font-size:12px;font-weight:700;letter-spacing:.06em}.code-dot{width:9px;height:9px;border-radius:50%;background:var(--mint);box-shadow:15px 0 #faaf72,30px 0 #89dfdb;margin-right:33px}.code-panel pre{margin:0;padding:24px;overflow:auto;font:500 clamp(13px,1.25vw,17px)/1.65 Consolas,'Courier New',monospace;tab-size:2}.two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;align-items:start}.two-col>.code-panel,.two-col>.data-table{height:100%}.data-table{background:#fff;border:1px solid #d4dfd7;border-radius:var(--radius);overflow:hidden;box-shadow:0 18px 45px #253e3211}.table-top{padding:16px 19px;display:flex;justify-content:space-between;align-items:center;background:#e0ede5;gap:8px;font-size:14px}.table-top strong{font-family:'Space Grotesk',sans-serif}.table-top span{font-size:11px;color:#52665d}.table-scroll{overflow:auto}.data-table table{border-collapse:collapse;width:100%;font:500 13px 'Space Grotesk',sans-serif;text-align:left}.data-table th{font-size:11px;color:#536766;background:#f6faf6}.data-table th,.data-table td{padding:12px 15px;border-bottom:1px solid #e5ebe5;white-space:nowrap}.data-table tr:last-child td{border-bottom:0}.data-table tr.selected{background:#ddf5c9}.data-table tr.muted{color:#87918f;background:#f1f2ef}.data-table tr.warning{background:#ffdfca}.mapping{display:grid;grid-template-columns:1fr 38px 1fr;gap:9px;background:#dcece2;padding:24px;border-radius:var(--radius)}.mapping>div{display:flex;flex-direction:column;gap:8px}.mapping>div:not(.mapping-lines)>span{background:#fff;border:1px solid #bbd1c5;padding:13px;border-radius:9px;font:600 15px 'Space Grotesk',sans-serif}.mapping strong{font:700 13px 'Space Grotesk',sans-serif;margin:0 0 12px}.mapping-lines{justify-content:flex-end;align-items:center;padding-top:28px}.mapping-lines span{height:49px;display:grid;place-items:center;color:#2e7c70;font-size:27px}.note{border-left:5px solid #64aaa0;background:#e4f1ea;border-radius:0 15px 15px 0;padding:17px 21px;margin-top:20px}.note strong{font:700 13px 'Space Grotesk',sans-serif;text-transform:uppercase;letter-spacing:.08em}.note p{margin:7px 0 0;line-height:1.45;font-size:15px}.brief{background:#fff;border:1px solid #cbded2;border-radius:var(--radius);padding:clamp(23px,4vw,42px);box-shadow:15px 18px 0 #b8d9c6}.tag{display:inline-block;border-radius:100px;background:#d4f2ce;color:#205b4f;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:8px 12px}.brief p{font:600 clamp(22px,2.4vw,33px)/1.3 'Space Grotesk',sans-serif;letter-spacing:-.025em}.brief code{background:#e9f0ea;padding:1px 5px;border-radius:5px;font-size:.83em}.brief-goal{border-top:1px solid #cad9cf;padding-top:20px;color:#576b66;font-size:13px;text-transform:uppercase;letter-spacing:.08em}.brief-goal strong{display:block;color:var(--ink);font:700 17px 'Space Grotesk',sans-serif;text-transform:none;letter-spacing:0;margin-top:6px}.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.metric-grid div{background:#d5eee0;border-radius:17px;padding:25px}.metric-grid b{font:700 55px 'Space Grotesk',sans-serif;display:block;line-height:1}.metric-grid span{font-size:13px;line-height:1.3;display:block;margin-top:16px}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.task-card{background:#fff;border:1px solid #cfddd4;border-radius:17px;padding:23px}.task-card span{color:#358c77;font:700 14px 'Space Grotesk',sans-serif}.task-card h3{font-size:22px;letter-spacing:-.03em;margin:32px 0 12px}.task-card p{font-size:14px;line-height:1.45;color:#52635d;margin:0}.schema-line{margin-top:16px;text-align:center;background:#152832;color:#e9f3ee;border-radius:14px;padding:18px;font:600 15px 'Space Grotesk',sans-serif}.schema-line span{color:var(--mint);margin:0 10px}.hints{display:grid;gap:10px}.hints details,.solution{background:#fff;border:1px solid #cbded2;border-radius:13px;padding:18px 20px}.hints summary,.solution summary{font:700 16px 'Space Grotesk',sans-serif;cursor:pointer}.hints p,.solution p{line-height:1.5;margin:12px 0 0}.hints code{background:#e4f1e7;padding:2px 5px}.solution .code-panel{margin-top:20px}.checklist{display:grid;grid-template-columns:1fr 1fr;gap:12px}.checklist div{background:#fff;border:1px solid #d6e3d9;border-radius:12px;padding:20px;display:flex;gap:14px;align-items:center;font:600 16px 'Space Grotesk',sans-serif}.checklist span{color:#337c70;font-size:12px}.end-note{font:600 15px 'Space Grotesk',sans-serif;color:var(--mint);letter-spacing:.13em;text-transform:uppercase;margin-top:45px}.controls{position:fixed;z-index:35;bottom:0;left:0;right:0;min-height:var(--footer);display:flex;align-items:center;justify-content:space-between;gap:18px;padding:8px 3vw;background:#101b27;color:#e9f2ef;border-top:1px solid #415056}.control-meta{display:flex;align-items:center;gap:16px;min-width:230px;font:700 12px 'Space Grotesk',sans-serif}.control-meta span:first-child{color:var(--mint);font-size:17px}.control-help{font-size:12px;color:#adc0bd}.control-help kbd{font:600 11px 'Space Grotesk',sans-serif;border:1px solid #60716e;border-radius:4px;padding:3px 6px;margin-left:3px}.control-buttons{display:flex;gap:8px}.control-buttons button{background:#32444a;color:#fff;border:1px solid #566b6c;border-radius:8px;min-width:43px;height:40px;font-size:22px;cursor:pointer}.control-buttons button:hover:not(:disabled){background:#5b8077}.control-buttons button:disabled{opacity:.3;cursor:default}
@media(max-width:1000px){.scene-inner,.hero .scene-inner,.end .scene-inner{grid-template-columns:1fr;gap:34px}.scene{padding-top:calc(var(--header) + 34px);padding-bottom:calc(var(--footer) + 38px)}.scene h3{max-width:900px}.scene-visual{max-width:900px;width:100%}.control-help{display:none}.topbar{gap:12px}.chapter-nav{margin-left:auto}.chapter-nav a{font-size:0;gap:0;padding:9px}.chapter-nav a span{font-size:11px}.hero-art{justify-content:flex-start;transform:none}.hero-table--dest{transform:none}}
@media(max-width:650px){:root{--header:62px;--footer:58px}.topbar{justify-content:space-between}.menu-toggle{display:flex;align-items:center;gap:8px;color:#fff;background:#30414a;border:0;border-radius:8px;padding:10px;font-size:13px}.chapter-nav{display:none;position:absolute;top:var(--header);left:0;right:0;background:#101b27;padding:12px;flex-direction:column;align-items:stretch;box-shadow:0 15px 25px #0003}.menu-toggle[aria-expanded=true]+.chapter-nav{display:flex}.chapter-nav a{font-size:14px;gap:12px;padding:12px}.scene{min-height:100svh;padding:calc(var(--header) + 30px) 18px calc(var(--footer) + 30px)}.scene h3{font-size:clamp(37px,9vw,54px)}.lead{font-size:17px}.two-col,.card-grid,.metric-grid,.checklist{grid-template-columns:1fr}.flow-arrow{display:none}.flow-step{min-width:42%}.hero-art{gap:7px}.hero-table{min-width:0;width:45%;padding:10px;font-size:11px}.hero-table span{font-size:10px;padding:9px}.hero-line{font-size:25px}.control-meta{min-width:0;gap:9px;font-size:11px}.control-buttons button{height:37px;min-width:42px}.data-table th,.data-table td{padding:10px 12px;font-size:12px}.mapping{padding:13px;grid-template-columns:1fr 23px 1fr}.mapping>div:not(.mapping-lines)>span{font-size:11px;padding:12px 6px}.mapping-lines span{font-size:18px}.schema-line{font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}
.flow{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
.flow-step{min-width:0}
.flow-arrow{display:none}
.scene.is-building [data-fragment]{transition:opacity .24s ease, transform .24s ease}
.scene.is-building [data-fragment]:not(.is-revealed){opacity:.28;transform:translateY(8px)}
/* Classroom controls and the revised first example */
:root{--text-scale:1;--mysql-blue:#00758f}
.scene-number{position:absolute;right:clamp(22px,5vw,86px);bottom:calc(var(--footer) + 18px);color:#617c7c;font:700 13px 'Space Grotesk',sans-serif;letter-spacing:.11em}
.hero .scene-number,.end .scene-number{color:#b9f271}
.stage-badge{display:inline-flex;align-items:center;gap:10px;background:#ddede6;border:1px solid #bad8ca;border-radius:100px;padding:8px 13px;margin:0 0 19px;font-size:12px;font-weight:700;color:#315a53}
.stage-badge span{color:var(--mysql-blue);font:700 11px 'Space Grotesk',sans-serif;letter-spacing:.08em}
.eyebrow{margin-bottom:17px}
.access-controls{display:flex;align-items:center;gap:5px;margin-left:auto}
.access-controls button{height:38px;min-width:40px;border:1px solid #566b6c;border-radius:8px;background:#32444a;color:#fff;font-weight:700;cursor:pointer}
.access-controls button:hover:not(:disabled){background:#5b8077}
.access-controls button:disabled{opacity:.4;cursor:default}
.access-controls output{font:700 11px 'Space Grotesk',sans-serif;color:#c8d7d1;min-width:36px;text-align:center}
.control-meta{min-width:100px}.control-meta span:first-child{font-size:12px;color:#d9e6e0}
.code-panel{background:#fff;color:#1f323b;border:1px solid #bfced2}
.code-panel figcaption{background:#e7f1f4;color:#355764}
.code-panel pre{color:#1f323b}
.sql-keyword,.brief code,.hints code,.scene code:not(pre code){color:var(--mysql-blue)}
.stacked{display:grid;gap:18px;min-width:0}
.wide-code .code-panel pre{white-space:pre;overflow:auto}
.scene[data-scene="2"] .scene-inner,.scene[data-scene="4"] .scene-inner,.scene[data-scene="6"] .scene-inner,.scene[data-scene="8"] .scene-inner,.scene[data-scene="10"] .scene-inner{grid-template-columns:1fr;gap:22px}
.scene[data-scene="2"] .scene-copy,.scene[data-scene="4"] .scene-copy,.scene[data-scene="6"] .scene-copy,.scene[data-scene="8"] .scene-copy,.scene[data-scene="10"] .scene-copy{max-width:950px}
.scene[data-scene="2"] .scene-visual,.scene[data-scene="4"] .scene-visual,.scene[data-scene="6"] .scene-visual,.scene[data-scene="8"] .scene-visual,.scene[data-scene="10"] .scene-visual{max-width:none}
.table-stack .data-table{width:100%;max-width:100%}
.table-stack .table-scroll{overflow:hidden}
.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.task-card{min-width:0;overflow-wrap:anywhere}
.empty-target{display:grid;grid-template-columns:minmax(260px,.56fr) 1fr;gap:18px;align-items:center}
.empty-target p{margin:0;color:#63746e;font-size:14px}
.puzzle{padding:20px;background:#e2efe9;border:1px solid #b8d9c9;border-radius:20px;display:grid;gap:10px}
.puzzle-head,.puzzle-row{display:grid;grid-template-columns:1fr 55px 1fr;align-items:center;gap:10px}
.puzzle-head span{font:700 12px 'Space Grotesk',sans-serif;letter-spacing:.05em;color:#3e5a56}
.puzzle-head span:last-child{grid-column:3}
.puzzle-head b{color:var(--mysql-blue)}
.puzzle-piece,.puzzle-slot{position:relative;display:grid;grid-template-columns:1fr auto;gap:4px 10px;align-items:center;padding:15px 20px;border-radius:12px;min-height:82px}
.puzzle-piece{background:var(--navy);color:#fff;clip-path:polygon(0 0,calc(100% - 14px) 0,calc(100% - 14px) 30%,100% 30%,100% 70%,calc(100% - 14px) 70%,calc(100% - 14px) 100%,0 100%)}
.puzzle-slot{background:#fff;border:2px dashed #4f9c91;padding-left:28px}
.puzzle-slot:before{content:"";position:absolute;left:-2px;top:30%;height:40%;width:13px;background:#e2efe9;border:2px dashed #4f9c91;border-left:0;border-radius:0 7px 7px 0}
.puzzle-piece small,.puzzle-slot small{grid-column:1 / -1;font:600 11px 'Space Grotesk',sans-serif;opacity:.7}
.puzzle-piece strong,.puzzle-slot strong{font:700 18px 'Space Grotesk',sans-serif}
.puzzle-piece em,.puzzle-slot em{font:700 17px Consolas,monospace;color:var(--mint)}
.puzzle-slot em{color:var(--mysql-blue)}
.puzzle-arrow{text-align:center;font-size:31px;color:#238b83}
.quiz-scene .answer-state,.progressive-answer .answer-state{display:none}
.quiz-scene .answer-state.is-revealed,.progressive-answer .answer-state.is-revealed{display:block;opacity:1;transform:none}
.quiz-scene:has(.answer-state.is-revealed) .question-state{display:none}
.comparison-stack{display:grid;gap:15px}
.method-label{display:inline-block;background:#e8d9cf;border-radius:100px;padding:6px 12px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;margin-bottom:8px}
.method-label--good{background:#d6eddd;color:#216456}
.comparison-stack .code-panel pre{padding:18px 22px}
.presentation-fullscreen .topbar,.presentation-fullscreen .controls{display:none}
.presentation-fullscreen .scene{padding:42px clamp(28px,5vw,86px) 62px}
.presentation-fullscreen .scene-number{bottom:22px}
.scene h3{font-size:clamp(calc(38px * var(--text-scale)),calc(4.8vw * var(--text-scale)),calc(76px * var(--text-scale)))}
.lead{font-size:clamp(calc(17px * var(--text-scale)),calc(1.45vw * var(--text-scale)),calc(22px * var(--text-scale)))}
.code-panel pre{font-size:clamp(calc(13px * var(--text-scale)),calc(1.25vw * var(--text-scale)),calc(17px * var(--text-scale)))}
.data-table table{font-size:calc(13px * var(--text-scale))}
.note p{font-size:calc(15px * var(--text-scale))}
.brief p{font-size:clamp(calc(22px * var(--text-scale)),calc(2.4vw * var(--text-scale)),calc(33px * var(--text-scale)))}
@media(max-width:650px){.control-help,.control-meta{display:none}.access-controls{margin-left:0}.access-controls button{min-width:33px;height:36px;font-size:12px}.access-controls output{min-width:32px}.scene-number{right:18px;bottom:calc(var(--footer) + 12px)}.empty-target{grid-template-columns:1fr}.puzzle-head,.puzzle-row{grid-template-columns:1fr 24px 1fr;gap:4px}.puzzle{padding:9px}.puzzle-piece,.puzzle-slot{padding:11px 8px;min-height:90px}.puzzle-piece strong,.puzzle-slot strong{font-size:11px}.puzzle-piece em,.puzzle-slot em{font-size:13px}.puzzle-piece small,.puzzle-slot small{font-size:9px}.puzzle-arrow{font-size:18px}.table-stack .table-scroll{overflow:auto}}
/* Layouts da segunda sequência e trilha de verificação */
.care-scene .scene-inner,.wide-lesson .scene-inner,.trail-scene .scene-inner{grid-template-columns:1fr;gap:22px}
.care-scene .scene-copy,.wide-lesson .scene-copy,.trail-scene .scene-copy{max-width:900px}
.care-scene .scene-visual,.wide-lesson .scene-visual,.trail-scene .scene-visual{max-width:none}
.care-scene .card-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.care-scene .task-card{min-height:205px;padding:24px 28px;overflow-wrap:normal}
.care-scene .task-card h3{font-size:clamp(21px,2.1vw,30px);line-height:1.2;letter-spacing:-.03em;margin:25px 0 13px;overflow-wrap:normal;word-break:normal}
.care-scene .task-card p{font-size:16px;line-height:1.45}
.wide-lesson .stacked{gap:20px}
.wide-lesson{padding-top:calc(var(--header) + 20px);padding-bottom:calc(var(--footer) + 24px)}
.wide-lesson .scene-inner{gap:12px}
.wide-lesson .scene-copy>h3{font-size:clamp(38px,3.6vw,56px);margin-bottom:12px}
.wide-lesson .eyebrow{margin-bottom:9px}
.wide-lesson .stage-badge{margin-bottom:10px}
.wide-lesson .scene-visual .stacked{gap:12px}
.wide-lesson .table-top{padding:10px 16px}
.wide-lesson .data-table th,.wide-lesson .data-table td{padding:7px 13px}
.wide-lesson .code-panel pre{padding:14px 20px;font-size:14px;line-height:1.4}
.no-table-overflow .data-table{width:100%;max-width:100%}
.no-table-overflow .table-scroll{overflow:hidden}
.no-table-overflow table{width:100%;table-layout:fixed}
.no-table-overflow th,.no-table-overflow td{white-space:normal;overflow-wrap:anywhere}
.model-scene .schema-line{font-size:18px;padding:23px;margin-top:4px}
.model-scene .schema-line{padding:15px;margin-top:0}
.join-on-note .note{padding:24px 28px;margin-top:22px}
.join-on-note .note strong{font-size:17px}
.join-on-note .note p{font-size:20px;line-height:1.5}
.mapping-scene .puzzle{max-width:100%}
.repeat-question .note{padding:24px 28px;margin-top:26px}
.repeat-question .note strong{font-size:17px}
.repeat-question .note p{font-size:20px;line-height:1.45}
.result-stack{gap:32px}
.semantic-alert{display:flex;align-items:center;gap:13px;margin-top:17px;padding:15px 20px;border:1px solid #e6b49b;background:#fff0e7;color:#9b4425;border-radius:13px;font:700 16px 'Space Grotesk',sans-serif}
.semantic-alert span{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:#f9d4c2;font-size:19px}
.trail{position:relative;padding-top:52px;--walker-x:0%}
.trail-track{position:relative;height:24px;margin:0 24px 20px}
.trail-track:before,.trail-progress{content:"";position:absolute;top:10px;left:0;height:5px;border-radius:99px}
.trail-track:before{right:0;background:#c7d8d1}
.trail-progress{width:var(--walker-x);background:#258e82;transition:width .35s ease}
.trail-walker{position:absolute;left:clamp(20px,var(--walker-x),calc(100% - 20px));top:-32px;width:40px;height:54px;transform:translateX(-50%);transition:left .35s ease;z-index:2;overflow:visible}
.trail-walker circle{fill:#17323e}
.trail-walker path{fill:none;stroke:#17323e;stroke-width:5;stroke-linecap:round;stroke-linejoin:round}
.trail-steps{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px}
.trail-step{min-height:168px;background:#f1f3ef;border:1px solid #cddbd2;border-radius:17px;padding:17px;display:flex;flex-direction:column;gap:15px;position:relative;color:#657870;transition:background .25s,border-color .25s,transform .25s,opacity .25s}
.trail-step-number{font:700 12px 'Space Grotesk',sans-serif;color:#689286}
.trail-step strong{font:600 17px/1.25 'Space Grotesk',sans-serif;overflow-wrap:normal;word-break:normal}
.trail-check{margin-top:auto;display:grid;place-items:center;width:27px;height:27px;border:1px solid #b6ccc0;color:transparent;border-radius:50%;font-weight:700}
.trail-step.is-revealed{background:#d8f1dc;border-color:#66a890;color:#183b35;transform:translateY(-4px);opacity:1!important}
.trail-step.is-revealed .trail-check{background:#258e82;border-color:#258e82;color:white}
.trail-complete{visibility:hidden;text-align:right;color:#176d61;font:700 19px 'Space Grotesk',sans-serif;margin:20px 5px 0}
.trail.is-complete .trail-complete{visibility:visible}
.trail-scene.is-building .trail-step:not(.is-revealed){opacity:1;transform:none}
@media(max-width:1000px){.care-scene .card-grid{grid-template-columns:1fr}.trail-steps{grid-template-columns:repeat(3,minmax(0,1fr))}.trail-track{display:none}.trail{padding-top:0}.trail-step{min-height:125px}}
@media(max-width:650px){.care-scene .task-card{min-height:0}.trail-steps{grid-template-columns:repeat(2,minmax(0,1fr))}.trail-step{min-height:135px;padding:13px}.trail-step strong{font-size:15px}.model-scene .schema-line{font-size:15px}.join-on-note .note p,.repeat-question .note p{font-size:18px}.no-table-overflow .table-scroll{overflow:auto}.no-table-overflow table{min-width:530px}}
.comparison-stack{min-width:0;grid-template-columns:minmax(0,1fr)}
.manual-example{min-width:0}
@media(max-width:650px){.no-table-overflow .table-scroll{overflow:hidden}.no-table-overflow table{min-width:0}.no-table-overflow th,.no-table-overflow td{padding:8px 6px;font-size:10px}}

.scene-inner{transition:opacity .22s ease,transform .22s ease}
.scene.is-entering .scene-inner{opacity:0;transform:translateY(10px)}

@media screen{
  html,body{scrollbar-width:none;-ms-overflow-style:none}
  html::-webkit-scrollbar,body::-webkit-scrollbar{display:none}
}

@page{size:16in 9in;margin:0}
@media print{
  html,body{width:16in;max-width:16in;margin:0;padding:0;background:#fff;scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important;print-color-adjust:exact;-webkit-print-color-adjust:exact}
  .skip-link,.topbar,.controls,.chapter-intro{display:none!important}
  .chapter{margin:0;padding:0;break-inside:auto}
  .scene{width:16in;height:9in;min-height:9in;max-height:9in;overflow:hidden;box-sizing:border-box;margin:0;padding:40px 70px 54px;break-inside:avoid;break-after:page;page-break-after:always;border:0}
  .scene-inner{max-height:100%;opacity:1!important;transform:none!important}
  .scene-number{right:70px;bottom:25px}
  .quiz-scene .answer-state,.progressive-answer .answer-state{display:block!important;opacity:1!important;transform:none!important}
  .quiz-scene .question-state{display:none!important}
  [data-fragment]{opacity:1!important;transform:none!important}
  .trail-step{opacity:1!important}
  .trail-complete{visibility:visible!important}
  .trail-progress{width:100%!important}
  .trail-walker{left:calc(100% - 20px)!important}
  .care-scene .card-grid{grid-template-columns:repeat(3,minmax(0,1fr))!important}
  .trail-steps{grid-template-columns:repeat(6,minmax(0,1fr))!important}
  .trail-track{display:block!important}
  .trail{padding-top:52px!important}
  .scene[data-scene="24"] .scene-inner{grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr);gap:45px}
  .scene[data-scene="24"] .code-panel pre{font-size:12px;line-height:1.45;padding:16px}
  .scene[data-scene="24"] .note{margin-top:14px;padding:13px 17px}
}