.free-heading{display:grid;grid-template-columns:1.6fr 1fr;gap:50px;align-items:center;margin-bottom:35px}.free-heading .eyebrow{margin-bottom:12px}.free-heading p{margin-top:18px;line-height:1.85;font-size:1rem}.free-heading img{width:100%;height:auto;border-radius:14px}.free-inclusions{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}.free-inclusions span{background:#fff3e9;border:1px solid #f0d9c7;color:#8c4d2c;padding:4px 10px;font-size:.8rem;border-radius:5px}.free-heading .free-boundary{font-size:.875rem;color:#796755;margin-top:15px}.free-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.free-card{border:1px solid #e9dfd4;border-radius:12px;background:#fffdfa;padding:23px;display:flex;flex-direction:column}.free-card-top{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;font-size:.75rem;color:#956246;letter-spacing:.04em}.free-card-top span:first-child{font-weight:700;color:var(--accent)}.free-card h3{font-size:1.15rem;line-height:1.6;margin:17px 0 12px;letter-spacing:-.045em;word-break:keep-all}.free-card>p{font-size:.9rem;line-height:1.8;flex:1}.free-card-meta{margin-top:20px;font-size:.75rem;color:#7c7268}.free-card .button{margin-top:12px;font-size:.875rem;padding:10px;min-height:44px;background:#fff;border-color:#e2cbbb;color:#9a411c}.free-card .button:hover{background:#fff0e3}
.lesson-header{height:80px;border-bottom:1px solid #eae6df;background:#fff;position:sticky;top:0;z-index:20}.lesson-header>div{height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px}.lesson-home{font-size:.875rem;color:var(--accent);font-weight:600}.lesson-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:75px;padding-top:45px;padding-bottom:60px;align-items:start}.lesson-sidebar{position:sticky;top:125px}.lesson-sidebar .eyebrow{font-size:.75rem;margin-bottom:15px}.lesson-sidebar h2{font-size:1.55rem;line-height:1.5}.lesson-series{display:flex;flex-direction:column;gap:8px;margin:25px 0}.lesson-series a{display:flex;gap:10px;align-items:flex-start;font-size:.875rem;padding:12px 13px;border:1px solid transparent;border-radius:8px;color:#756b61;line-height:1.7}.lesson-series a span{font-size:.75rem;font-weight:700;color:#b17651;padding-top:2px}.lesson-series a[aria-current=page]{background:#fff0e4;border-color:#efceb7;color:#963c18;font-weight:600}.lesson-series a:hover{background:#fff8f1}.lesson-sidebar>.text-link{font-size:.8rem}.lesson-article{max-width:770px;min-width:0}.lesson-breadcrumb{display:flex;flex-wrap:wrap;gap:10px;font-size:.8rem;color:#8f8274}.lesson-breadcrumb a{color:#9d431d}.lesson-title{margin-top:24px}.lesson-title h1{font-size:2.4rem;line-height:1.45;margin-top:14px;letter-spacing:-.055em}.lesson-title>p{font-size:1.05rem;margin-top:16px;line-height:1.9;color:#746a5f}.lesson-meta{display:flex;flex-wrap:wrap;gap:8px 16px;color:#8b7d70;font-size:.8rem;margin-top:20px}.lesson-contents{display:flex;gap:18px;flex-wrap:wrap;border-block:1px solid #ebe4da;padding:15px 0;margin:28px 0 32px;font-size:.875rem;color:#9b4f27}.lesson-contents 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solid #ebe4da}.lesson-table-wrap td:first-child{font-weight:500}.contrast-pair{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin:23px 0}.contrast-pair>div{padding:19px;border:1px solid #e9e2d8;border-radius:10px;background:#f9f9f6}.contrast-pair>div:last-child{background:#fff3e7;border-color:#eed4bd}.contrast-pair span,.source-notice>span,.flawed-answer>span{font-size:.8rem;color:#946849;font-weight:600}.contrast-pair p{font-size:.95rem;line-height:1.85;margin-bottom:0}.lesson-article .example-label{font-size:.8rem;color:#877b6e;margin-top:22px}.lesson-article blockquote{margin:15px 0;padding:22px 25px;background:#f6f7f3;border-radius:10px;color:#56604c;font-size:1rem;line-height:1.95}.step-list{list-style:none;counter-reset:step;padding:0;display:flex;flex-direction:column;gap:18px;margin:24px 0}.step-list>li{counter-increment:step;padding-left:42px;position:relative}.step-list>li::before{content:counter(step,decimal-leading-zero);position:absolute;left:0;top:2px;font-size:.8rem;font-weight:700;color:#ae572c}.step-list b{font-size:1rem;color:#3b4236}.step-list p{margin:5px 0 0;font-size:.95rem}.copy-block{margin:24px 0;border:1px solid #e7d8c8;background:#fffaf4;border-radius:12px;overflow:hidden}.copy-block>div{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:12px 18px;border-bottom:1px solid #ebddce;font-size:.8rem;color:#926548}.copy-block button{border:1px solid #dcba9e;border-radius:6px;background:#fff;color:#9e451d;min-height:38px;padding:6px 12px;font-size:.8rem;font-weight:500;white-space:nowrap}.copy-block button:hover{background:#ffeddd}.copy-block pre{font-family:inherit;font-size:.95rem;line-height:1.95;white-space:pre-wrap;overflow-wrap:anywhere;margin:0;padding:23px;color:#4c4e42}.lesson-answer{border:1px solid #e0e4d9;background:#f8faf5;border-radius:10px;margin:25px 0;padding:17px 20px}.lesson-answer summary{font-weight:600;font-size:.95rem;color:#4d5c40;cursor:pointer;line-height:1.8}.lesson-answer p{font-size:.95rem}.lesson-answer ol{font-size:.95rem;line-height:1.95;color:#555c4d;padding-left:23px}.lesson-answer li{margin-top:12px}.check-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:12px;margin:23px 0;font-size:1rem;color:#4c5545;line-height:1.8}.check-list li{display:flex;gap:12px}.check-list li::before{content:'✓';color:#8c4c24;font-weight:700;flex-shrink:0}.source-notice,.flawed-answer{padding:23px;background:#f5f6f2;border:1px solid #e0e3d9;border-radius:10px;margin:24px 0}.source-notice p,.flawed-answer p{margin:10px 0 0;font-size:.95rem}.flawed-answer{background:#fff4ea;border-color:#efd5bf}.lesson-reference{border-top:1px solid #e9e2d9;padding-top:20px}.lesson-reference p{font-size:.8rem;color:#8b7a68;line-height:1.9;margin:10px 0}.lesson-reference a{color:#9a441e;text-decoration:underline;text-underline-offset:3px}.lesson-article>.lesson-next{background:#fff0e2;border-radius:14px;padding:28px;margin-top:32px}.lesson-next .eyebrow{margin-bottom:10px}.lesson-next>h2{font-size:1.6rem;margin:0}.lesson-next>p{font-size:.95rem;line-height:1.9}.lesson-next>div{display:flex;gap:12px;flex-wrap:wrap;margin-top:23px}.lesson-next .button{font-size:.9rem}.lesson-next>.lesson-related{font-size:.8rem;color:#956e4e}.lesson-footer{padding-block:25px;border-top:1px solid #eee6dc;display:flex;justify-content:space-between;gap:20px;color:#8a7d70;font-size:.8rem}
@media(max-width:1100px){.free-card{padding:20px}.lesson-layout{grid-template-columns:220px minmax(0,1fr);gap:40px}}
@media(max-width:850px){.free-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.free-heading{gap:30px}.lesson-layout{display:block;padding-top:32px}.lesson-sidebar{position:static;margin-bottom:32px}.lesson-sidebar h2,.lesson-sidebar .eyebrow{display:none}.lesson-series{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:0 0 15px}.lesson-series a{padding:10px;font-size:.8rem;display:block}.lesson-series a span{display:block;margin-bottom:5px}.lesson-sidebar>.text-link{font-size:.8rem}.lesson-article{margin:auto;max-width:740px}}
@media(max-width:620px){.free-heading{display:block;margin-bottom:28px}.free-heading h2{font-size:1.8rem}.free-heading p{font-size:.95rem}.free-heading p br{display:none}.free-heading img{max-width:320px;display:block;margin:23px auto 0}.free-grid{gap:12px}.free-card{padding:18px 14px}.free-card h3{font-size:1.05rem;margin-top:13px}.free-card p{font-size:.9rem}.free-card-meta{font-size:.75rem;line-height:1.7}.free-card .button{font-size:.8rem}.lesson-header{height:74px}.lesson-header>div{gap:12px}.lesson-home{font-size:.75rem;max-width:105px;text-align:right}.lesson-layout{padding-top:22px;padding-bottom:35px}.lesson-series{grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}.lesson-series a{display:flex;gap:8px;padding:9px 10px;line-height:1.7;font-size:.8rem}.lesson-series a span{padding-top:2px;margin:0}.lesson-sidebar{margin-bottom:25px}.lesson-title h1{font-size:1.9rem}.lesson-title>p{font-size:1rem}.lesson-meta{font-size:.75rem;gap:6px 13px}.lesson-contents{gap:8px 19px;font-size:.85rem;margin:22px 0 28px}.lesson-article>section>h2{font-size:1.3rem}.lesson-article p{font-size:1rem;line-height:1.95;word-break:normal}.lesson-article>section{padding-bottom:26px}.contrast-pair{grid-template-columns:1fr;gap:12px}.lesson-callout{padding:17px 18px}.lesson-article blockquote{padding:20px;font-size:.95rem}.copy-block>div{padding:12px 15px;flex-wrap:wrap;gap:8px}.copy-block pre{padding:19px 17px;font-size:.95rem}.lesson-table-wrap table{font-size:.9rem}.lesson-table-wrap th,.lesson-table-wrap td{padding:10px 13px}.lesson-answer{padding:16px}.lesson-answer summary{font-size:.95rem}.lesson-article>.lesson-next{padding:25px 21px}.lesson-next>h2{font-size:1.4rem}.lesson-next>div{flex-direction:column}.lesson-next .button{width:100%}.lesson-reference p{font-size:.8rem}.source-notice,.flawed-answer{padding:20px}.lesson-footer{font-size:.75rem}}
.lesson-article .dialog-box{margin:20px 0;background:#fffaf4;border-color:#e9ddce}.lesson-article .dialog-box ol{padding-left:23px;font-size:1rem;line-height:1.9;color:#55574e}.lesson-article .dialog-box li{margin-top:9px}.lesson-reference ol{padding-left:22px;font-size:.85rem;line-height:1.9;color:#8b7a68}.lesson-reference li{margin-top:6px}.lesson-table-wrap td{min-width:110px}.lesson-series a{overflow-wrap:anywhere}

/* Approved illustrated lesson drafts and document downloads. */
.free-document-link{margin-top:12px;min-height:44px;display:flex;align-items:center;justify-content:center;font-size:.875rem;color:var(--accent);text-decoration:underline;text-underline-offset:4px;text-align:center}
.lesson-download{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:20px;background:#fff7f1;border:1px solid #edd9cb;border-radius:12px;margin-top:24px}
.lesson-download>div{display:flex;flex-direction:column;gap:7px}.lesson-download b{font-size:1rem;color:#3c4038}.lesson-download span{font-size:.875rem;color:#756b61}.lesson-download .button{font-size:.875rem;min-height:44px}
.lesson-figure{margin:24px 0;background:#fff;border:1px solid #e7ded3;border-radius:12px;overflow:hidden}.lesson-figure>a{display:block}.lesson-figure img{display:block;width:100%;height:auto}.lesson-figure figcaption{display:flex;align-items:center;justify-content:space-between;gap:8px 20px;flex-wrap:wrap;padding:14px 18px;border-top:1px solid #e7ded3;font-size:.875rem;line-height:1.8;color:#756b61}.lesson-figure figcaption a{display:inline-flex;align-items:center;min-height:44px;color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.review-questions{padding-left:24px;font-size:1rem;line-height:1.9;color:#55574e}.review-questions li{padding-left:5px;margin-top:12px}
@media(max-width:620px){.lesson-download{align-items:stretch;padding:18px;gap:16px}.lesson-download .button{width:100%}.lesson-figure figcaption{padding:12px 14px}.lesson-figure figcaption a{width:100%}}
/* Step-by-step visual guides: unchanged screenshots with responsive annotations. */
.photo-guide-intro{padding:20px 24px;background:#fff5ec;border:1px solid #f0d8c6;border-radius:16px;margin:26px 0}.photo-guide-intro p{font-size:14px;margin:6px 0 0;color:#685a50}.photo-guide-trigger{display:inline-flex;align-items:center;flex-wrap:wrap;gap:8px;min-height:44px;padding:10px 15px;margin:0 0 18px;border:1px solid #e3b79c;border-radius:10px;background:#fff9f4;color:#9c3619;font:inherit;font-size:14px;font-weight:700;cursor:pointer;text-align:left}.photo-guide-trigger:hover{background:#ffeadb;border-color:#c4471d}.photo-guide-trigger.compact{display:flex;width:fit-content;font-size:13px;margin:12px 0}.photo-guide-hint{font-weight:400;font-size:12px;color:#786a60}.photo-guide-open{overflow:hidden}.photo-guide-dialog{padding:0;border:1px solid #dfd9d2;border-radius:22px;width:min(980px,calc(100vw - 40px));max-width:none;max-height:92dvh;color:#242321;background:#fff;box-shadow:0 24px 100px #0004}.photo-guide-dialog[open]{display:flex;flex-direction:column}.photo-guide-dialog::backdrop{background:#171713a8;backdrop-filter:blur(4px)}.photo-guide-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;padding:22px 28px 18px;border-bottom:1px solid #eae5de}.photo-guide-head .eyebrow{font-size:10px}.photo-guide-head h2{font-size:21px;line-height:1.45;letter-spacing:-.6px;margin:6px 0 0}.photo-guide-head>button{flex-shrink:0;width:44px;height:44px;border:1px solid #ded8cf;border-radius:50%;background:#fff;cursor:pointer;font-size:19px}.photo-guide-body{overflow:auto;overscroll-behavior:contain;padding:20px 28px 25px;min-height:0}.photo-guide-counter{font-size:12px;font-weight:700;color:#a33e1e;margin:0 0 10px}.photo-guide-steps{display:flex;gap:8px;margin-bottom:20px}.photo-guide-steps button{width:44px;height:44px;border-radius:12px;border:1px solid #e4d8ce;background:#fff;color:#65584e;font:inherit;cursor:pointer}.photo-guide-steps button[aria-current=step]{background:#c4471d;border-color:#c4471d;color:#fff;font-weight:700}.photo-guide-body h3{font-size:21px;margin:12px 0 8px}.photo-guide-body p{line-height:1.8;font-size:15px}.photo-guide-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:20px 0 10px;font-size:12px;color:#695f56}.photo-guide-toolbar button{flex-shrink:0;min-height:44px;background:#fff;border:1px solid #e1d7ce;border-radius:9px;padding:8px 14px;font:inherit;cursor:pointer}.photo-guide-scroll{width:100%;overflow:auto;background:#f4f3f0;border:1px solid #e5dfd7;border-radius:14px}.photo-guide-canvas{position:relative;max-width:100%;width:var(--guide-width);margin:0 auto;background:#fff}.photo-guide-canvas.is-portrait{width:min(var(--guide-width),520px)}.photo-guide-canvas img{display:block;width:100%;height:auto;margin:0}.photo-guide-scroll.is-zoomed .photo-guide-canvas{width:var(--guide-width);max-width:none;margin:0}.photo-guide-scroll.is-zoomed .photo-guide-canvas.is-portrait{width:min(var(--guide-width),840px)}#photo-guide-marks{position:absolute;inset:0;pointer-events:none}.photo-guide-mark{position:absolute;box-sizing:border-box;min-height:3px}.photo-guide-mark.underline{background:#f0372d;border-radius:4px;box-shadow:0 0 0 1px #fff9}.photo-guide-mark.box{border:3px solid #d2ef13;box-shadow:0 0 0 1px #59630b99,inset 0 0 0 1px #59630b99;background:#e8ff2412;border-radius:5px}.photo-guide-mark b{position:absolute;right:-10px;top:-19px;display:grid;place-items:center;background:#d62f26;color:white;border:2px solid white;border-radius:50%;width:22px;height:22px;font:700 11px/1 sans-serif;box-shadow:0 1px 3px #0004}.photo-guide-caption{display:flex;flex-wrap:wrap;gap:6px 16px;margin:12px 0;color:#766c64;font-size:12px;line-height:1.7}.photo-guide-caption a{color:#9c3619;text-decoration:underline;text-underline-offset:3px}.photo-guide-mark-labels{display:flex;flex-wrap:wrap;gap:8px 18px;list-style:none;padding:0;margin:12px 0;font-size:13px;color:#813223}.photo-guide-body .photo-guide-note{background:#fff4e9;border-radius:12px;padding:14px 18px;font-size:13px;color:#74543c}.photo-guide-body .photo-guide-account-note{font-size:12px;color:#827970;margin-bottom:0}.photo-guide-foot{display:flex;justify-content:space-between;gap:12px;padding:16px 28px;border-top:1px solid #eae5de;background:#fff}.photo-guide-foot button{min-height:46px;border:1px solid #e0d7cd;border-radius:10px;padding:10px 20px;background:#fff;font:inherit;font-size:14px;font-weight:700;cursor:pointer}.photo-guide-foot button:last-child{background:#c4471d;color:#fff;border-color:#c4471d}.photo-guide-foot button:disabled{opacity:.4;cursor:default}.photo-guide-dialog :focus-visible,.photo-guide-trigger:focus-visible{outline:3px solid #c4471d;outline-offset:4px}.photo-guide-image-error{background:#fff1e8;padding:20px;border-radius:10px}.photo-guide-canvas[hidden],.photo-guide-dialog [hidden]{display:none!important}
@media(max-width:620px){.photo-guide-dialog{width:calc(100vw - 16px);max-height:96dvh;border-radius:16px}.photo-guide-head{padding:17px 16px 13px;gap:10px}.photo-guide-head h2{font-size:18px}.photo-guide-body{padding:17px 16px 20px}.photo-guide-body h3{font-size:19px}.photo-guide-body p{font-size:14px}.photo-guide-toolbar{align-items:flex-start}.photo-guide-toolbar>span{max-width:190px;line-height:1.6}.photo-guide-foot{padding:12px 16px}.photo-guide-foot button{padding:10px 13px;font-size:13px}.photo-guide-trigger{font-size:13px}.photo-guide-hint{width:100%;padding-left:22px}.photo-guide-intro{padding:16px 18px}}

@media(max-width:620px){
 .lesson-header>div{min-width:0}
 .lesson-header .brand-mark{flex-shrink:0}
 .lesson-header .lesson-home{min-height:44px;display:flex;align-items:center;justify-content:flex-end;flex-shrink:0}
 .lesson-article,.lesson-sidebar,.copy-block,.contrast-pair>div{min-width:0}
 .lesson-article p,.lesson-title h1,.lesson-reference a{overflow-wrap:anywhere}
 .copy-block>div{flex-wrap:wrap;align-items:flex-start;gap:10px}
 .copy-block button{min-height:44px;max-width:100%;white-space:normal}
 .lesson-table-wrap,.rally-table-wrap{max-width:100%;overscroll-behavior-x:contain}
 .photo-guide-dialog .photo-guide-head{min-width:0}
}