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@media print{.hero{padding:15px 0 20px}.hero h1{font-size:34px}.hero .lead{font-size:14px;margin:15px 0}.hero-art{min-height:160px}.hero-note{margin-top:14px}.intro-strip{margin-bottom:0}.intro-strip>div{padding:14px}.intro-strip span{font-size:10px}.section{padding:25px 0}.section-top{break-after:avoid;margin-bottom:17px}.section-top h2{font-size:27px}.section-top p{font-size:12px;margin-top:8px}.section-kicker{font-size:9px;margin-bottom:8px}.cases-grid{grid-template-columns:repeat(3,1fr);gap:12px}.case-visual{height:92px;padding:10px}.tiny-sheet{width:70px;height:90px;padding:8px}.tiny-sheet b{font-size:9px;margin:0}.tiny-sheet small{font-size:7px}.tiny-sheet i{margin:5px 0}.note-lines{padding:9px;width:95px}.note-lines b{font-size:10px}.note-lines span{font-size:8px;padding:0;margin:3px 0}.visual-mark{font-size:30px}.lesson-blocks>div{height:65px!important;width:38px;padding:5px;font-size:8px}.lesson-blocks b{font-size:12px;margin-bottom:5px}.case-card .card-body{padding:12px}.case-card h3{font-size:17px}.case-card p{font-size:11px;margin:11px 0}.case-card .text-link{font-size:10px}.case-card .tag{font-size:8px;margin-bottom:9px}.feature-band{padding:30px 0}.feature-band h2{font-size:27px}.feature-inner p{font-size:12px}.feature-band .button{display:none}.diagram-grid{grid-template-columns:repeat(3,1fr)}.subhero h1{font-size:36px}.subhero .lead{font-size:14px}.library-card{padding:20px}.text-block p{font-size:13px}.material-card{padding:22px}.material-card h2{font-size:23px}.material-card p,.file-list li{font-size:12px}}
/* Natural-size fallback also works when opening the local HTML from disk. */
.flow-frame{height:auto;min-height:235px;aspect-ratio:1240 / 845}

.experience-section{padding-bottom:0}.experience-card{display:grid;grid-template-columns:1.35fr 1fr;gap:54px;align-items:center;background:#f0f6ed;border:1px solid #d9e6d6;border-radius:12px;padding:40px 44px}.experience-card h2{font-size:clamp(28px,3vw,39px)}.experience-card p{font-size:14px;color:var(--muted);margin:18px 0}.experience-card .tag{margin:0}.experience-action{border-left:1px solid #d4e1d0;padding-left:40px}.experience-action .button{white-space:nowrap}.experience-action p{font-size:12px;line-height:1.8;margin:16px 0 0}.experience-action .caption{font-size:11px}@media(max-width:700px){.experience-card{grid-template-columns:1fr;gap:24px;padding:27px}.experience-action{border-left:0;border-top:1px solid #d4e1d0;padding:25px 0 0}.experience-action .button{white-space:normal;font-size:13px}}@media print{.experience-card{break-inside:avoid;padding:25px;gap:25px}.experience-card h2{font-size:25px}.experience-card p{font-size:11px}.experience-action{padding-left:25px}.experience-action .button{font-size:11px}}

.experience-card h2 span{display:inline-block}

.separate-experience{border-top:1px solid var(--line);margin-top:22px;padding-top:18px}.separate-experience .text-link{font-size:13px}.separate-experience p{font-size:12px;margin:10px 0 0}

/* A compact chapter selector preserves the site's green editorial palette. */
.flow-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:18px}
.flow-tabs button{text-align:left;border:1px solid var(--line);border-radius:8px;background:#fff;padding:16px 18px;font-size:12px;color:var(--muted)}
.flow-tabs b{font-size:16px;margin-left:8px;color:var(--ink)}
.flow-tabs small{display:block;margin-top:5px;font-size:12px}
.flow-tabs button[aria-selected=true]{background:var(--mint);border-color:var(--green);box-shadow:inset 0 3px var(--green)}
.flow-tabs button:hover{border-color:var(--green)}
.flow-help{font-size:12px;color:var(--muted);margin:12px 0 0}
@media(max-width:700px){.flow-tabs{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.flow-tabs button{padding:12px}.flow-tabs b{font-size:15px}.flow-caption a{display:inline-flex}}
@media print{.flow-tabs,.flow-help{display:none!important}}

/* Real PDF page previews */
.pdf-group{border-top:1px solid var(--line,#dfe8e4);padding:16px 0}.pdf-group summary{cursor:pointer;font-size:17px;font-weight:600}.pdf-group summary span{font-size:12px;font-weight:400;color:#71837b;margin-left:16px}.pdf-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:22px 0}.pdf-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.pdf-grid.single{grid-template-columns:minmax(130px,210px)}.pdf-preview{display:flex;flex-direction:column;align-items:stretch;text-align:left;border:1px solid #e0e8e4;border-radius:9px;background:#fafcf9;padding:10px;cursor:zoom-in;color:inherit;font:inherit;min-width:0}.pdf-preview img{width:100%;aspect-ratio:0.707;object-fit:contain;background:white;box-shadow:0 2px 8px #183c2710}.pdf-preview span{font-size:13px;line-height:1.5;margin-top:10px}.pdf-preview small{font-size:11px;color:#648276;margin-top:4px}.pdf-preview:hover{border-color:#25836d}.pdf-preview:focus-visible{outline:3px solid #cf9637;outline-offset:3px}.pdf-dialog{border:0;border-radius:14px;padding:0;width:min(1100px,94vw);max-width:94vw;max-height:94vh;background:#f1f4f1}.pdf-dialog::backdrop{background:#122b26cc}.pdf-dialog .dialog-top{position:sticky;top:0;z-index:1;background:white;padding:15px 20px;gap:20px}.pdf-dialog .dialog-top>div{display:flex;gap:12px;flex-shrink:0}.pdf-dialog button{font:inherit;cursor:pointer;border:1px solid #d8e3dd;border-radius:5px;background:#fff;padding:7px 12px}.pdf-stage{overflow:auto;max-height:calc(94vh - 75px);padding:20px;text-align:center}.pdf-stage img{display:block;width:100%;max-width:1000px;margin:auto;height:auto}.pdf-dialog.zoomed .pdf-stage img{width:1600px;max-width:none}.case-previews{margin:24px 0}@media(max-width:600px){.pdf-grid,.pdf-grid.three{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.pdf-group summary span{display:block;margin:5px 0 0}.pdf-dialog .dialog-top{padding:12px;align-items:flex-start}.pdf-dialog .dialog-title{font-size:12px}.pdf-dialog button{padding:6px 8px;font-size:12px}.pdf-stage{padding:8px}}@media print{.pdf-dialog{display:none}.pdf-preview small{display:none}.pdf-grid{break-inside:avoid}}