/* Lighting Ratios 101: typography, reading rhythm and original image presentation. */
.wdp-editorial .legacy-main{max-width:1220px;padding:72px 40px 96px}
.wdp-editorial .wp-block-post-terms{font:11px/1.5 var(--mono);letter-spacing:.13em;text-transform:uppercase}
.wdp-editorial .wp-block-post-title{max-width:1040px;font-size:clamp(52px,7.4vw,100px);line-height:.98;letter-spacing:-.055em;margin:28px 0 26px;font-weight:400}
.wdp-editorial-kicker{display:block;font:12px/1.5 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--mute);margin-bottom:22px}
.wdp-editorial-title-number{color:var(--accent);font-style:italic}
.wdp-editorial .wp-block-post-date{font:12px/1.5 var(--mono);color:var(--mute);padding-bottom:34px;border-bottom:1px solid var(--line2);margin-bottom:46px}
.wdp-editorial .wp-block-post-content{max-width:none;font-size:18px;line-height:1.85}
.wdp-editorial-layout{display:grid;grid-template-columns:190px minmax(0,1fr);gap:56px;align-items:start;max-width:none!important}
.wdp-lesson-nav{position:sticky;top:110px;font:13px/1.5 var(--sans);padding-top:8px}
.wdp-lesson-nav>p{font:10px/1.5 var(--mono);text-transform:uppercase;letter-spacing:.14em;color:var(--mute);margin:0 0 20px!important}
.wdp-lesson-nav ol{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.wdp-lesson-nav li{margin:0;border-bottom:1px solid var(--line)}
.wdp-lesson-nav li a{display:grid;grid-template-columns:22px 1fr;gap:9px;padding:13px 0;color:var(--mute);text-decoration:none}
.wdp-lesson-nav li span{font:10px/1.9 var(--mono);color:var(--dim)}
.wdp-lesson-nav li a:hover,.wdp-lesson-nav li a:focus-visible{color:var(--accent)}
.wdp-lesson-guide{display:block;margin-top:24px;font-size:12px;text-underline-offset:5px}
.wdp-lesson-body{min-width:0}
.wdp-lesson-body>p,.wdp-lesson-body>h3,.wdp-lesson-body>h4{max-width:660px;margin-left:auto!important;margin-right:auto!important}
.wdp-lesson-body>p{margin-top:0!important;margin-bottom:24px!important;color:#cbc7c0}
.wdp-lesson-body>h2{max-width:760px;margin:76px auto 30px!important;font:400 clamp(30px,3.4vw,43px)/1.16 var(--serif);letter-spacing:-.025em}
.wdp-lesson-body>.wdp-chapter-heading:before{content:'CHAPTER ' attr(data-chapter);display:block;font:10px/1.5 var(--mono);color:var(--accent);letter-spacing:.15em;padding-top:24px;border-top:1px solid var(--line2);margin-bottom:20px}
.wdp-lesson-body>.wdp-chapter-heading:first-child{margin-top:0!important}
.wdp-lesson-body>.wdp-chapter-heading:first-child:before{padding-top:0;border:0}
.wdp-lesson-body>h3{font:400 30px/1.2 var(--serif);letter-spacing:-.015em;margin-top:54px!important;margin-bottom:22px!important}
.wdp-lesson-body>h4{font:600 16px/1.5 var(--sans);margin-top:38px!important;margin-bottom:14px!important;color:var(--accent)}
.wdp-lesson-body h2,.wdp-lesson-body h3{scroll-margin-top:110px}
.wdp-lesson-body strong{color:var(--text)}
.wdp-lesson-body>p a{text-underline-offset:4px;text-decoration-thickness:1px}
.wdp-article-figure{margin:36px 0 40px!important;padding:0;background:#0c0c0e;border:1px solid var(--line);overflow:hidden}
.wdp-article-figure img{display:block;width:100%;height:auto;max-width:100%;margin:0!important;float:none}
.wdp-article-figure a{display:block}
.wdp-article-figure figcaption{font:10px/1.5 var(--mono);letter-spacing:.09em;text-transform:uppercase;color:var(--mute);padding:12px 16px;border-top:1px solid var(--line)}
/* Source pixels are upside down. Rotate every responsive variant consistently. */
.wdp-editorial .wdp-article-figure img.wp-image-1602{transform:rotate(180deg)}
.wdp-lesson-body .wdp-framework-card{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:24px;padding:28px;margin:52px 0}
.wdp-lesson-body .wdp-framework-card h2{font-size:30px}
.wdp-lesson-body .wdp-framework-card p{font-size:15px;line-height:1.6}
.wdp-lesson-body .wdp-framework-card .wdp-framework-eyebrow{font-size:10px}
.wdp-lesson-body .wdp-framework-card .wdp-framework-detail{font-size:12px}
.wdp-lesson-body .wdp-framework-button{font-size:13px}
.wdp-course-note{padding:28px;border:1px solid var(--line2);margin:56px 0;background:var(--panel);font-size:15px;line-height:1.7}
.wdp-course-note h2{font:400 27px/1.2 var(--serif);margin:0 0 24px}
.wdp-course-note p{margin:14px 0!important;color:var(--mute)}
.wdp-course-note .wdp-article-figure{max-width:380px;margin:24px auto!important}
.wdp-editorial .wdp-related-lessons{margin-top:64px;border-top:1px solid var(--line2);padding-top:28px}
.wdp-editorial a:focus-visible{outline:2px solid var(--accent);outline-offset:5px}
@media(min-width:1000px){.wdp-editorial .wdp-framework-article-end,.wdp-editorial .wdp-framework-next,.wdp-editorial .wdp-related-lessons{margin-left:246px}.wdp-lesson-body>p:first-of-type{font-size:20px;line-height:1.75;color:var(--text)}}
@media(max-width:999px){.wdp-editorial-layout{grid-template-columns:minmax(0,1fr);gap:36px}.wdp-lesson-nav{position:static}.wdp-lesson-nav ol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:24px}.wdp-lesson-guide{margin-top:16px}.wdp-editorial .legacy-main{max-width:880px;padding:42px 24px 64px}.wdp-editorial .wp-block-post-date{margin-bottom:26px}}
@media(max-width:600px){.wdp-editorial .legacy-main{padding:32px 20px 56px}.wdp-editorial .wp-block-post-title{font-size:54px;line-height:1.02}.wdp-editorial-kicker{font-size:10px}.wdp-editorial .wp-block-post-content{font-size:17px;line-height:1.8}.wdp-lesson-nav{font-size:12px}.wdp-lesson-nav ol{column-gap:16px}.wdp-lesson-nav li a{grid-template-columns:16px 1fr;gap:5px}.wdp-lesson-body>h2{font-size:32px;margin-top:54px!important}.wdp-lesson-body>h3{font-size:27px}.wdp-lesson-body .wdp-framework-card{grid-template-columns:1fr;padding:22px;gap:18px}.wdp-article-figure{margin:28px 0!important}.wdp-course-note{padding:22px}}
@media print{.wdp-lesson-nav{display:none}.wdp-editorial-layout{display:block}.wdp-lesson-body>h2{break-after:avoid}.wdp-article-figure{break-inside:avoid}}

.wdp-frame-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:36px 0 40px;align-items:start}
.wdp-frame-pair .wdp-article-figure{margin:0!important}
.wdp-false-colour-key{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px;border:1px solid var(--line2);padding:16px 24px;margin:28px 0 32px;background:var(--panel)}
.wdp-false-colour-key p{display:flex;align-items:center;gap:12px;font:12px/1.5 var(--mono);margin:0!important;padding:12px 0;color:var(--text)}
.wdp-false-colour-key p:before{content:'';width:14px;height:14px;background:var(--swatch);border:1px solid #666;flex:none}
@media(max-width:600px){.wdp-frame-pair{grid-template-columns:1fr;gap:10px;margin:28px 0}.wdp-false-colour-key{grid-template-columns:1fr;padding:12px 20px}}

/* Quiet motion and hands-on frame studies. */
.wdp-reading-progress{position:fixed;z-index:10000;inset:0 0 auto;height:3px;background:var(--accent);transform:scaleX(0);transform-origin:left;pointer-events:none;box-shadow:0 0 12px #ffb35c40}
.wdp-lesson-nav li a{transition:color 180ms ease,background-color 180ms ease}
.wdp-lesson-nav li a[aria-current=location]{color:var(--text);background:linear-gradient(90deg,#ffb35c12,transparent)}
.wdp-lesson-nav li a[aria-current=location] span{color:var(--accent)}
.wdp-study-controls{grid-column:1/-1;display:flex;align-items:center;gap:4px;padding:10px;background:var(--panel);border:1px solid var(--line2);border-radius:3px}
.wdp-study-label{margin-right:auto;padding:0 8px;font:10px/1.5 var(--mono);color:var(--mute);letter-spacing:.08em}
.wdp-study-controls button,.wdp-image-expand,.wdp-image-close{font:12px/1.4 var(--sans);color:var(--mute);background:transparent;border:1px solid transparent;cursor:pointer;min-height:44px;padding:10px 12px;transition:color 160ms ease,background-color 160ms ease,border-color 160ms ease}
.wdp-study-controls button:hover,.wdp-image-expand:hover,.wdp-image-close:hover{color:var(--text);border-color:var(--line2)}
.wdp-study-controls button[aria-pressed=true]{color:var(--accent-ink);background:var(--accent);border-color:var(--accent);border-radius:2px}
.wdp-frame-pair[data-view=frame],.wdp-frame-pair[data-view=false-colour]{grid-template-columns:minmax(0,1fr)}
.wdp-frame-pair figure[hidden]{display:none!important}
.wdp-article-figure{position:relative}
.wdp-article-figure:has(.wdp-image-expand) figcaption{padding-right:108px;min-height:48px;display:flex;align-items:center}
.wdp-image-expand{position:absolute;right:4px;bottom:2px;color:var(--accent)}
.wdp-editorial button:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.wdp-image-dialog{width:min(1440px,96vw);max-width:96vw;max-height:94dvh;padding:54px 16px 16px;background:#101012;color:var(--text);border:1px solid var(--line2);box-sizing:border-box;overflow:auto}
.wdp-image-dialog::backdrop{background:#000e;backdrop-filter:blur(8px)}
.wdp-image-close{position:absolute;right:12px;top:6px;color:var(--text)}
.wdp-image-stage img{display:block;width:100%;height:auto;max-height:75dvh;object-fit:contain;margin:0!important}
.wdp-image-stage img.wp-image-1602{transform:rotate(180deg)}
.wdp-image-caption{font:11px/1.5 var(--mono);color:var(--mute);margin:14px 0 0;text-align:center;text-transform:uppercase;letter-spacing:.08em}
@keyframes wdp-plate-arrive{from{opacity:.72;translate:0 9px}to{opacity:1;translate:0 0}}
@media(prefers-reduced-motion:no-preference){.wdp-entered{animation:wdp-plate-arrive 450ms ease-out both}}
@media(prefers-reduced-motion:reduce){.wdp-editorial *, .wdp-editorial *:before{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media(max-width:600px){.wdp-study-controls{flex-wrap:wrap;gap:4px}.wdp-study-label{flex-basis:100%;padding:4px 8px 8px}.wdp-study-controls button{flex:1}.wdp-image-dialog{padding:54px 8px 12px}.wdp-image-stage img{max-height:70dvh}}
@media print{.wdp-reading-progress,.wdp-study-controls,.wdp-image-expand,.wdp-image-dialog{display:none!important}.wdp-frame-pair figure[hidden]{display:block!important}.wdp-frame-pair{grid-template-columns:1fr 1fr!important}.wdp-entered{animation:none!important}}
.wdp-ratio-tool{margin:32px 0 44px;padding:32px;border:1px solid var(--line2);background:radial-gradient(ellipse at top right,#ffb35c0d,transparent 65%),var(--panel)}
.wdp-ratio-tool .wdp-ratio-kicker{font:10px/1.5 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin:0 0 16px}
.wdp-ratio-tool h2{font:400 32px/1.2 var(--serif);margin:0 0 18px}.wdp-ratio-tool p{font:15px/1.7 var(--sans);color:var(--mute);margin:12px 0}
.wdp-ratio-readout{margin:28px 0}.wdp-ratio-readout output{display:block;font:400 clamp(30px,4vw,48px)/1.2 var(--mono);letter-spacing:-.06em;color:var(--text)}
.wdp-ratio-bars{display:grid;gap:16px;margin:24px 0 30px}.wdp-ratio-bars span{display:block;font:10px/1.5 var(--mono);color:var(--mute);margin-bottom:7px}.wdp-ratio-bars i{display:block;width:100%;height:12px;background:var(--accent);border-radius:1px}.wdp-ratio-bars [data-ratio-bar]{background:#a7a29a}
.wdp-ratio-controls label{display:block;font:13px/1.5 var(--sans);color:var(--text)}
.wdp-ratio-controls input{width:100%;height:44px;margin:8px 0 0;accent-color:var(--accent);cursor:ew-resize}.wdp-ratio-controls input:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.wdp-ratio-ticks{display:flex;justify-content:space-between;font:10px/1.5 var(--mono);color:var(--mute)}
.wdp-ratio-tool .wdp-ratio-note{font-size:12px;margin-top:24px}.wdp-ratio-tool details{border-top:1px solid var(--line2);margin-top:20px;padding-top:16px;font:12px/1.8 var(--sans)}.wdp-ratio-tool summary{cursor:pointer;color:var(--accent)}.wdp-ratio-tool details p{font-size:13px}
@media(max-width:600px){.wdp-ratio-tool{padding:24px}.wdp-ratio-tool h2{font-size:28px}}
@media print{.wdp-ratio-controls{display:none}.wdp-ratio-tool{break-inside:avoid}}