.beginner-guide{overflow-wrap:anywhere;max-width:1100px;margin:0 auto;font-size:1rem;line-height:1.7}.beginner-guide p{color:var(--ink);margin:1rem 0}.beginner-guide h2{letter-spacing:-.035em;margin:.5rem 0 1rem;font-size:clamp(1.65rem,3.5vw,2.5rem);line-height:1.15}.beginner-guide h3{margin:.5rem 0;font-size:1.2rem;line-height:1.35}.beginner-jump{border-bottom:1px solid var(--line);flex-wrap:wrap;gap:.6rem;padding:0 0 2rem;display:flex}.beginner-jump a{border:1px solid var(--line);padding:.65rem .9rem;font-size:.9rem;font-weight:700}:is(.beginner-jump a:hover,.beginner-jump a:focus-visible){background:var(--acid);color:var(--night)}.beginner-section{border-bottom:1px solid var(--line);padding:3rem 0}.beginner-guide [id]{scroll-margin-top:6rem}.beginner-section-title{max-width:780px;margin-bottom:1.6rem}.beginner-section-title>span,.beginner-lesson-heading>span{color:var(--acid);letter-spacing:.07em;font-size:.875rem;font-weight:700}.beginner-lessons{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.5rem;display:grid}.beginner-lesson{border:1px solid var(--line);flex-direction:column;min-width:0;padding:1.2rem;display:flex}.beginner-lesson-heading{min-height:7.5rem}.beginner-video{aspect-ratio:16/9;background:#000;width:100%;margin:.8rem 0;position:relative}.beginner-video iframe{border:0;width:100%;height:100%;display:block}.beginner-lesson>a{margin-top:auto}.beginner-guide a:not(.beginner-jump a){color:var(--acid);text-underline-offset:4px;text-decoration:underline}.beginner-practice{border-left:2px solid var(--acid);padding-left:.8rem}.beginner-guide .beginner-note{color:var(--dim);font-size:.9rem}.beginner-pair{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin:1.5rem 0;display:grid}.beginner-pair article{border-top:2px solid var(--acid);background:#11110e;padding:1.25rem}.beginner-checklist{margin:1.5rem 0;padding-left:1.4rem}.beginner-checklist li{margin:.8rem 0;padding-left:.3rem}.beginner-guide blockquote,.beginner-formula{border-left:3px solid var(--acid);background:#14130e;margin:1.5rem 0;padding:1.2rem}.beginner-fib{flex-wrap:wrap;gap:.5rem;margin:1.2rem 0;display:flex}.beginner-fib span{border:1px solid var(--line);font-variant-numeric:tabular-nums;padding:.55rem .8rem}.beginner-fib .pocket{background:var(--acid);color:var(--night);font-weight:800}.beginner-table-wrap{margin:1.5rem 0;overflow-x:auto}.beginner-guide table{border-collapse:collapse;text-align:left;font-variant-numeric:tabular-nums;width:100%}.beginner-guide caption{text-align:left;color:var(--dim);padding:0 0 .7rem;font-size:.9rem}.beginner-guide th,.beginner-guide td{border-bottom:1px solid var(--line);vertical-align:top;padding:.8rem}.beginner-guide thead{color:var(--acid);background:#1b180d}.beginner-guide tbody th{font-weight:500}.beginner-guide details{border:1px solid var(--line);margin:.8rem 0;padding:1rem}.beginner-guide summary{cursor:pointer;font-weight:700;line-height:1.5}.beginner-guide details[open] summary{color:var(--acid);margin-bottom:1rem}.beginner-more{margin-top:.7rem;font-weight:700;display:inline-block}.beginner-sources{color:var(--dim);padding:2rem 0;font-size:.9rem}.beginner-sources h2{font-size:1.2rem}@media (max-width:700px){.beginner-lessons,.beginner-pair{grid-template-columns:1fr}.beginner-lesson-heading{min-height:0}.beginner-section{padding:2rem 0}.beginner-guide th,.beginner-guide td{padding:.6rem .35rem;font-size:.9rem}}