section[data-tone]{position:relative;padding:clamp(3rem,7vw,5.5rem) 0}section[data-tone=raised]{background:var(--surface-1);border-top:3px solid var(--border);border-bottom:3px solid var(--border)}section[data-tone=accent]{background-image:var(--gradient-playful)}section[data-tone]>div[data-width]{width:100%;margin:0 auto;padding:0 1.25rem}div[data-width=narrow]{max-width:720px}div[data-width=default]{max-width:1100px}div[data-width=wide]{max-width:1320px}header[data-align]{margin-bottom:clamp(2rem,4vw,3rem)}header[data-align=center]{text-align:center;max-width:44rem;margin-inline:auto}header[data-align]>span{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--brand-text);background:var(--brand-soft);border:2px solid var(--brand-border);border-radius:999px;padding:.25rem 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clamp(1.75rem,6vw,4rem);background:var(--panel-bg);color:var(--panel-fg);text-align:center}.cta-panel__glow{position:absolute;width:420px;height:420px;border-radius:50%;filter:blur(48px);z-index:-1;pointer-events:none}.cta-panel__glow--a{top:-160px;left:-120px;background:radial-gradient(circle,var(--glow-warm),transparent 70%)}.cta-panel__glow--b{bottom:-180px;right:-100px;background:radial-gradient(circle,var(--glow-cool),transparent 70%)}.cta-panel__tag{margin-bottom:1.5rem}.cta-panel__title{font-size:clamp(2rem,5.5vw,3.75rem);font-weight:800;line-height:1.02;letter-spacing:-.02em;margin:0 0 1.25rem}.cta-panel__title em{font-style:normal;background:linear-gradient(135deg,var(--brand),var(--accent-amber));-webkit-background-clip:text;background-clip:text;color:transparent}.cta-panel__lead{max-width:34rem;margin:0 auto 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.5rem}.course-article__body{display:flex;flex-direction:column;gap:.6rem;padding:1rem;flex:1}.course-article__title{font-size:1.0625rem;line-height:1.3}.course-article__title a{color:var(--fg)}.course-article__desc{font-size:.875rem;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.course-article__meta{display:flex;flex-wrap:wrap;gap:.9rem;font-size:.78rem;color:var(--muted)}.course-article__meta span{display:inline-flex;align-items:center;gap:.3rem}.course-article__foot{display:flex;align-items:center;justify-content:space-between;gap:.75rem;margin-top:auto;padding-top:.75rem;border-top:1px solid var(--border)}.course-article__price{display:flex;flex-direction:column;font-weight:700;color:var(--fg);font-size:.9375rem;white-space:nowrap}.course-article__price em{font-style:normal;font-size:.68rem;font-weight:400;color:var(--muted)}.course-article__cta{gap:.35rem;white-space:nowrap}.course-article__cta,html.light 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translateX(4px)}.hg-tooltip[data-pos=left]:focus:before,.hg-tooltip[data-pos=left]:hover:before{transform:translateY(-50%) translateX(0)}.hg-tooltip[data-pos=left]:after{right:calc(100% + 4px);top:50%;transform:translateY(-50%) translateX(4px);border-top:6px solid transparent;border-bottom:6px solid transparent;border-left:6px solid var(--border-hover)}.hg-tooltip[data-pos=left]:focus:after,.hg-tooltip[data-pos=left]:hover:after{transform:translateY(-50%) translateX(0)}.hg-tooltip[data-pos=right]:before{left:calc(100% + 10px);top:50%;transform:translateY(-50%) translateX(-4px)}.hg-tooltip[data-pos=right]:focus:before,.hg-tooltip[data-pos=right]:hover:before{transform:translateY(-50%) translateX(0)}.hg-tooltip[data-pos=right]:after{left:calc(100% + 4px);top:50%;transform:translateY(-50%) translateX(-4px);border-top:6px solid transparent;border-bottom:6px solid transparent;border-right:6px solid var(--border-hover)}.hg-tooltip[data-pos=right]:focus:after,.hg-tooltip[data-pos=right]:hover:after{transform:translateY(-50%) translateX(0)}.hg-tooltip[data-variant=accent]:before{background:var(--brand);color:var(--brand-fg);border-color:var(--brand)}.hg-tooltip[data-variant=accent]:after{border-top-color:var(--brand)!important}.hg-tooltip[data-variant=danger]:before{background:var(--danger);color:#fff;border-color:var(--danger)}.hg-tooltip[data-variant=danger]:after{border-top-color:var(--danger)!important}.hg-tooltip[data-variant=info]:before{background:var(--info);color:#fff;border-color:var(--info)}.hg-tooltip[data-variant=info]:after{border-top-color:var(--info)!important}.hg-sticker-text{--text-color:var(--sticker-color,var(--brand));--text-size:var(--sticker-size,2rem);--stroke-width:calc(var(--text-size) * 0.16);--stroke-color:var(--bg);--outline-width:1px;--outline-color:var(--text-color);position:relative;display:inline-block;padding:calc(var(--stroke-width) * 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70%);background-clip:text;-webkit-background-clip:text;-webkit-text-stroke:0;color:transparent}.hg-mark{display:inline-block;position:relative;background-color:unset;isolation:isolate;color:var(--fg)}.hg-mark,.hg-mark[data-color=brand]{--hg-mark-color:var(--brand-soft)}.hg-mark[data-color=success]{--hg-mark-color:var(--success-soft)}.hg-mark[data-color=danger]{--hg-mark-color:var(--danger-soft)}.hg-mark[data-color=info]{--hg-mark-color:var(--info-soft)}.hg-mark[data-color=violet]{--hg-mark-color:rgba(139,92,246,0.18)}.conspect mark{--hg-mark-color:var(--brand-soft);display:inline-block;position:relative;background-color:unset;isolation:isolate;color:var(--fg)}.conspect mark:before,.hg-mark:before{position:absolute;inset:0;content:"";width:calc(100% + 1ch);left:-.25ch;height:110%;top:-5%;border-bottom-right-radius:20px 30px;background-color:var(--hg-mark-color);filter:url(#hg-filter-rough);z-index:-1}.boiling-icon{display:block}.chunky-btn{--lift:6px;--chunky-brand:var(--lesson-accent,var(--brand));display:inline-block;position:relative;border:none;padding:0 0 var(--lift) 0;border-radius:20px;background:color-mix(in srgb,var(--chunky-brand) 65%,black);cursor:pointer;text-decoration:none}.chunky-btn[data-color=success]{background:color-mix(in srgb,var(--success) 65%,black)}.chunky-btn[data-color=danger]{background:color-mix(in srgb,var(--danger) 65%,black)}.chunky-btn[data-color=info]{background:color-mix(in srgb,var(--info) 65%,black)}.chunky-btn[data-color=neutral]{background:color-mix(in srgb,var(--fg) 45%,black)}.chunky-btn--full{display:block;width:100%}.chunky-btn:disabled{cursor:not-allowed;opacity:.55}.chunky-btn__face{display:flex;align-items:center;justify-content:center;width:100%;gap:.5em;border-radius:18px;border:2px solid color-mix(in srgb,var(--chunky-brand) 70%,white);background:linear-gradient(180deg,color-mix(in srgb,var(--chunky-brand) 100%,white 18%),var(--chunky-brand));color:var(--brand-fg);font-weight:700;white-space:nowrap;transform:translateY(0);transition:transform .12s ease}.chunky-btn--sm .chunky-btn__face{padding:.55em 1.1em;font-size:.85rem}.chunky-btn--md .chunky-btn__face{padding:.8em 1.5em;font-size:.95rem}.chunky-btn--lg .chunky-btn__face{padding:1em 2em;font-size:1.1rem}.chunky-btn[data-color=success] .chunky-btn__face{border-color:color-mix(in srgb,var(--success) 70%,white);background:linear-gradient(180deg,color-mix(in srgb,var(--success) 100%,white 18%),var(--success));color:#06280f}.chunky-btn[data-color=danger] .chunky-btn__face{border-color:color-mix(in srgb,var(--danger) 70%,white);background:linear-gradient(180deg,color-mix(in srgb,var(--danger) 100%,white 18%),var(--danger));color:#2a0a0a}.chunky-btn[data-color=info] .chunky-btn__face{border-color:color-mix(in srgb,var(--info) 70%,white);background:linear-gradient(180deg,color-mix(in srgb,var(--info) 100%,white 18%),var(--info));color:#06122a}.chunky-btn[data-color=neutral] .chunky-btn__face{border-color:color-mix(in srgb,var(--fg) 60%,white);background:linear-gradient(180deg,var(--surface-3),var(--surface-2));color:var(--fg)}.chunky-btn:active .chunky-btn__face,.chunky-btn[data-pressed=true] .chunky-btn__face{transform:translateY(var(--lift))}.chunky-btn__icon{display:inline-flex;align-items:center}.chunky-btn__icon svg{width:1.1em;height:1.1em}.arrow-link-btn{display:inline-flex;align-items:center;gap:.6em;padding:.3em .3em .3em 1.1em;border-radius:999px;border:1.5px solid var(--border);background:transparent;color:var(--fg);font-weight:600;font-size:.95rem;transition:border-color .25s ease,background .25s ease}.arrow-link-btn:hover{border-color:var(--brand-border);background:var(--brand-soft)}.arrow-link-btn[data-tone=invert]{border-color:rgba(255,255,255,.25);color:#fff}.arrow-link-btn[data-tone=invert]:hover{border-color:rgba(255,255,255,.5);background:rgba(255,255,255,.08)}.arrow-link-btn__icon{display:inline-flex;align-items:center;justify-content:center;width:1.9em;height:1.9em;border-radius:50%;background:var(--fg);color:var(--bg);transition:transform .35s cubic-bezier(.22,1,.36,1)}.arrow-link-btn[data-tone=invert] .arrow-link-btn__icon{background:#fff;color:#0a0a0c}.arrow-link-btn:hover .arrow-link-btn__icon{transform:rotate(45deg)}.hg-sticker-stage{inset:0;overflow:hidden;z-index:5}@property --p{syntax:"<number>";inherits:true;initial-value:0}.hg-sticker,.hg-sticker-stage{position:absolute;pointer-events:none}.hg-sticker{user-select:none;will-change:transform,opacity;filter:drop-shadow(0 2px 2px rgba(0,0,0,.16)) drop-shadow(0 5px 10px rgba(0,0,0,.1));--fold:calc(var(--minp) + 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