.tf-course{width:min(100% - 2.5rem,57rem);color:var(--color-text-main,#1e293b);overflow-wrap:anywhere;margin:2rem auto 5rem}.tf-course__header{margin-bottom:2.25rem}.tf-course__back{font-size:.9rem}.tf-course__eyebrow{color:#547780;letter-spacing:.09em;margin:1rem 0 .5rem;font-size:.78rem;font-weight:750}.tf-course__title{letter-spacing:-.025em;text-wrap:balance;margin:.5rem 0 1rem;font-size:clamp(1.9rem,4.8vw,3.1rem);line-height:1.25}.tf-course__byline{color:var(--color-text-muted,#64748b);font-size:.85rem}.tf-course__lead{margin-top:1.5rem;font-size:1.16rem;line-height:1.9}.tf-course__paragraph{margin:1rem 0;line-height:1.95}.tf-course__prerequisites,.tf-course__tasks{background:#68aaa412;border:1px solid #b8cecd;border-radius:1rem;padding:1.25rem 1.5rem}.tf-course__small-heading{margin:0;font-size:1.05rem}.tf-course__objectives{padding-left:1.3rem;line-height:1.85}.tf-course__contents{border-bottom:1px solid #b8cecd;flex-wrap:wrap;gap:.6rem 1.2rem;padding:1.5rem 0;display:flex}.tf-course__contents-link{font-size:.86rem}.tf-course__section{margin:2.7rem 0;scroll-margin-top:5rem}.tf-course__section-title{margin:0 0 1rem;font-size:clamp(1.3rem,3vw,1.65rem);line-height:1.45}.tf-course__formula{background:#68aaa40d;border-left:3px solid #5eaaa4;margin:1.6rem 0;padding:1rem}.tf-course__formula-scroll{max-width:100%;padding:.2rem 0;overflow-x:auto}.tf-course__formula-caption{color:var(--color-text-muted,#526070);margin-top:.75rem;font-size:.92rem;line-height:1.8}.tf-course__table-scroll{max-width:100%;margin:1.5rem 0;overflow-x:auto}.tf-course__table{border-collapse:collapse;width:100%;font-size:.9rem}.tf-course__table-heading,.tf-course__table-cell{text-align:left;white-space:nowrap;border-bottom:1px solid #b8cecd;padding:.8rem}.tf-course__table-heading{background:#68aaa414}.tf-course__caption{text-align:left;color:var(--color-text-muted,#64748b);padding:.75rem 0;font-size:.85rem;line-height:1.7}.tf-course__section-sources{color:var(--color-text-muted,#64748b);font-size:.82rem}.tf-course__task{margin:1.5rem 0}.tf-course__task-title{margin:0 0 .75rem;font-size:1.1rem;line-height:1.6}.tf-course__task-steps{margin:0;padding-left:1.4rem}.tf-course__task-step{padding:.35rem 0;line-height:1.85}.tf-course__exercises{padding-left:1.3rem}.tf-course__exercise{margin-bottom:1.5rem}.tf-course__answer{border:1px solid #b8cecd;border-radius:.65rem;padding:.75rem 1rem}.tf-course__answer-label{cursor:pointer;font-weight:650}.tf-course__next{border-block:1px solid #b8cecd;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;padding:1.5rem 0;line-height:1.7;display:grid}.tf-course__chapter-list{gap:1rem;padding:0;list-style:none;display:grid}.tf-course__chapter-card{border:1px solid #b8cecd;border-radius:1rem;padding:1.1rem 1.5rem}.tf-course__card-title{margin:.3rem 0;font-size:1.3rem;line-height:1.6}.tf-course__experiment-links{padding-left:1.3rem;line-height:2}.tf-course__references{margin-top:3rem;padding-top:1rem}.tf-course__source-list{padding-left:1.3rem}.tf-course__source{margin:1.5rem 0;font-size:.9rem;line-height:1.8}.tf-course__figure{background:#0f1b2b;border-radius:1rem;margin:1.5rem 0;padding:1rem}.tf-course__chart{width:100%;height:auto;display:block}.tf-course__figure-axes{color:#c4d1e4;flex-wrap:wrap;justify-content:space-between;gap:.75rem;font-size:.85rem;display:flex}.tf-course__figure-legend{color:#d6e2f4;flex-wrap:wrap;gap:.5rem 1rem;padding:0;font-size:.8rem;list-style:none;display:flex}.tf-course__legend-item{align-items:center;gap:.4rem;display:inline-flex}.tf-course__legend-swatch{border-radius:.2rem;width:1.1rem;height:.2rem;display:inline-block}.tf-course__figure>.tf-course__caption{color:#acbdd1}@media (width<=600px){.tf-course{width:min(100% - 1.6rem,57rem);margin-top:1.25rem}.tf-course__prerequisites,.tf-course__tasks,.tf-course__chapter-card{padding:1rem}.tf-course__next{grid-template-columns:1fr}.tf-course__formula{margin-inline:0;padding:.75rem}.tf-course__lead{font-size:1.05rem}.tf-course__chart-tick{font-size:34px}}.tf-course__phase-figure{color:#dce9f5;background:#0f1b2b;border:1px solid #29485c;border-radius:1rem;margin:1.5rem 0;padding:1.25rem}.tf-course__phase-pair{grid-template-columns:1fr 1fr;gap:1.5rem;display:grid}.tf-course__phase-case{text-align:center;min-width:0}.tf-course__figure-heading{margin:0 0 1rem;font-weight:650}.tf-course__phase-grid{grid-template-columns:1fr 1fr;gap:.35rem;width:8rem;height:8rem;margin:auto;display:grid}.tf-course__phase-cell{background:#205566;border:1px solid #62bbbc;border-radius:.5rem;place-items:center;display:grid}.tf-course__phase-arrow{background:#6ee7d4;width:1.8rem;height:.15rem;display:block;position:relative}.tf-course__phase-arrow:after{content:"";border-top:.15rem solid #6ee7d4;border-right:.15rem solid #6ee7d4;width:.65rem;height:.65rem;position:absolute;top:-.28rem;right:0;transform:rotate(45deg)}.tf-course__phase-arrow--reversed{transform:rotate(180deg)}.tf-course__figure-equation{max-width:100%;margin-top:1rem;padding-block:.2rem;overflow-x:auto}.tf-course__phase-figure>.tf-course__caption{color:#b8cce1;margin-top:1rem}.tf-course__chart-label{fill:#b8cce1;font-family:system-ui,sans-serif;font-size:20px}@media (width<=600px){.tf-course__phase-pair{grid-template-columns:1fr}.tf-course__chart-label{font-size:25px}}