.course-page{background:#f7f6f1;color:#20343e}.course-page .site-header{position:relative}.course-page .reading-main{max-width:1020px;margin:0 auto;padding:36px 32px 80px}.course-breadcrumbs{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font:12px/1.5 'IBM Plex Mono',monospace;color:#626c75;margin-bottom:54px}.course-breadcrumbs a,.course-page a{color:#24466e}.course-breadcrumbs a{text-decoration:underline;text-underline-offset:3px}.course-page h1{font:400 clamp(46px,6vw,76px)/1.04 'Newsreader',Georgia,serif;letter-spacing:-.035em;margin:10px 0 24px}.course-page h2{font:400 30px/1.2 'Newsreader',Georgia,serif;color:#24466e}.course-page h3{font:400 23px/1.2 'Newsreader',Georgia,serif}.course-page p,.course-page li{font:20px/1.55 'Newsreader',Georgia,serif}.course-page .eyebrow{font:11px/1.5 'IBM Plex Mono',monospace;letter-spacing:.08em;color:#626c75}.topic-header,.topic-result,.topic-points,.topic-lessons{max-width:860px}.topic-header{border-bottom:1px solid 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/* In the wild: cases, claims, films, history and questions inside each topic, and pointers from lessons. */
.topic-texture,.lesson-texture{max-width:860px}
.topic-texture{margin:8px 0 64px}
.topic-texture h2{margin:0 0 6px}
.course-page .texture-intro{color:#66757a;margin:0 0 18px}
.texture-card{border-top:1px solid #c9cbc3}
.texture-card:last-child{border-bottom:1px solid #c9cbc3}
.texture-card>summary{list-style:none;cursor:pointer;display:flex;flex-direction:column;gap:4px;padding:18px 36px 18px 0;position:relative}
.texture-card>summary::-webkit-details-marker{display:none}
.texture-card>summary::after{content:'+';position:absolute;right:4px;top:18px;font:300 26px/1 'Newsreader',Georgia,serif;color:#476963}
.texture-card[open]>summary::after{content:'−'}
.texture-card>summary strong{font:400 23px/1.25 'Newsreader',Georgia,serif;color:#20343e}
.texture-card>summary:hover strong{text-decoration:underline;text-underline-offset:4px}
.texture-kind{font:12px/1.5 'IBM Plex Mono',monospace;letter-spacing:.08em;text-transform:uppercase;color:#626c75}
.texture-body{padding:0 0 26px;max-width:720px}
.texture-body h3{margin:22px 0 6px}
.course-page .texture-ask{font-style:italic;font-size:21px}
.course-page .texture-note{color:#66757a;font-style:italic}
.texture-body details{border-left:2px solid #c9cbc3;margin:12px 0;padding:2px 0 2px 16px}
.texture-body details>summary{cursor:pointer;color:#24466e;font:20px/1.5 'Newsreader',Georgia,serif}
.texture-body details[open]>summary{margin-bottom:6px}
.course-page .texture-lessons,.course-page .texture-source{font-size:18px;color:#4f5f63}
.texture-body table{width:100%;border-collapse:collapse}
.lesson-texture{margin:48px 0 8px;padding-top:24px;border-top:1px solid #c9cbc3}
.lesson-texture ul{list-style:none;padding:0;margin:12px 0 0}
.lesson-texture li{margin:10px 0}
.lesson-texture .texture-kind{display:block}
@media (max-width:650px){.texture-card>summary strong{font-size:21px}.course-page .texture-ask{font-size:19px}}