.hero-cta-continue{max-width:100%;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.hero-cta__continue,:root[data-has-lesson] .hero-cta__start{display:none}:root[data-has-lesson] .hero-cta__continue{display:inline}.gh2{position:relative}.gh2-quick,.gh2-shelf{padding-block:clamp(2rem,5vw,3.5rem)}.gh2-h2{margin:0 0 .75rem;font-size:clamp(1.75rem,1.2rem + 2vw,2.5rem);font-weight:700;line-height:1.1;letter-spacing:0;text-wrap:balance;color:var(--color-text-primary)}.gh2-eyebrow{display:inline-flex;align-items:center;margin:0 0 1rem;padding:.25rem .75rem;border:1px solid var(--color-brand-muted);border-radius:var(--radius-chip);background:var(--color-brand-soft);color:var(--color-brand);font-size:var(--fs-caption);font-weight:600;letter-spacing:.02em}.gh2-hero{position:relative;width:100vw;margin-inline:calc(50% - 50vw);overflow-x:clip}.gh2-hero__bg{position:absolute;inset:0;pointer-events:none;background-image:radial-gradient(36rem 24rem at 82% 0,color-mix(in srgb,var(--color-brand) 14%,transparent),transparent 70%),linear-gradient(color-mix(in srgb,var(--color-brand) 6%,transparent) 1px,transparent 1px),linear-gradient(90deg,color-mix(in srgb,var(--color-brand) 6%,transparent) 1px,transparent 1px);background-size:auto,32px 32px,32px 32px;-webkit-mask-image:linear-gradient(180deg,black 55%,transparent);mask-image:linear-gradient(180deg,black 55%,transparent)}.gh2-hero__inner{position:relative;display:grid;gap:2.5rem;max-width:72rem;margin-inline:auto;padding-inline:clamp(1rem,4vw,2rem);padding-block:clamp(3rem,7vw,5.5rem) clamp(1.5rem,3vw,2.5rem)}.gh2-hero__title{margin:0 0 1.25rem;font-size:clamp(2.5rem,1.6rem + 4vw,4.25rem);font-weight:700;line-height:1.05;letter-spacing:0;text-wrap:balance;color:var(--color-text-primary)}.gh2-hero__grad{background:linear-gradient(100deg,var(--color-brand),color-mix(in srgb,var(--color-brand) 45%,white));-webkit-background-clip:text;background-clip:text;color:transparent}.gh2-hero__lead{max-width:34rem;margin:0 0 1.5rem;font-size:var(--fs-lead);line-height:1.6;text-wrap:pretty;color:var(--color-text-secondary)}.gh2-hero__note{margin:0;font-size:var(--fs-caption);color:var(--color-text-muted)}.gh2-hero__cta{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem;margin:0 0 1rem}.gh2-visual{display:grid;gap:1rem;width:100%;max-width:38rem}.gh2-panel{padding:1rem;border:1px solid var(--color-border);border-radius:var(--radius-panel);background:var(--surface-card);box-shadow:var(--elev-2)}.gh2-lesson__bar{display:flex;align-items:center;gap:.5rem;margin-bottom:.75rem}.gh2-dots{display:inline-flex;gap:4px}.gh2-dots i{width:8px;height:8px;border-radius:50%;background:var(--color-border)}.gh2-lesson__doctitle{font-size:var(--fs-caption);font-weight:600;color:var(--color-text-primary)}.gh2-callout{margin:0 0 .75rem;padding:.5rem .75rem;border-left:2px solid var(--color-brand);border-radius:0 var(--radius-control) var(--radius-control) 0;background:color-mix(in srgb,var(--color-text-muted) 8%,transparent);color:var(--color-text-secondary);font-size:var(--fs-caption);line-height:1.5}.gh2-skel{display:grid;gap:.5rem;margin:0 0 .75rem}.gh2-skel i{display:block;height:8px;border-radius:var(--radius-chip);background:color-mix(in srgb,var(--color-text-muted) 16%,transparent)}.gh2-wave{display:block;width:100%;height:auto}.gh2-wave__sig{fill:none;stroke:var(--color-text-secondary);stroke-width:1.5}.gh2-wave__sig--q{stroke:var(--color-brand)}.gh2-wave__band{fill:color-mix(in srgb,var(--color-brand) 12%,transparent);stroke:var(--color-brand-muted);stroke-dasharray:4 4}.gh2-wave__scan{stroke:var(--color-brand);stroke-width:2;opacity:0}.gh2-wave__label,.gh2-wave__val{fill:var(--color-text-muted);font-family:var(--font-mono);font-size:11px}.gh2-wave__val{text-anchor:middle}.gh2-wave__val--band{fill:var(--color-brand)}.gh2-code{background:var(--code-bg);border-color:var(--code-line)}.gh2-code__head{display:flex;align-items:center;gap:.5rem;margin-bottom:.5rem}.gh2-code__file{margin-right:auto;font-family:var(--font-mono);font-size:var(--fs-caption);color:var(--color-text-secondary)}.gh2-code__run{background:var(--color-brand-soft);color:var(--color-brand);font-weight:600}.gh2-code__pass,.gh2-code__run{display:inline-flex;align-items:center;padding:.25rem .75rem;border-radius:var(--radius-chip);font-size:var(--fs-caption)}.gh2-code__pass{background:var(--color-green-soft);color:var(--color-green);font-weight:700}.gh2-code__body{margin:0;font-family:var(--font-mono);font-size:12.5px;line-height:1.7}.gh2-code__line{display:block;white-space:pre}.gh2-k{color:var(--code-ink)}.gh2-c{color:var(--color-text-secondary)}.gh2-q__meta{display:flex;align-items:center;gap:.5rem;margin-bottom:.5rem}.gh2-q__hard{display:inline-flex;align-items:center;gap:4px;padding:.25rem .75rem;border-radius:var(--radius-chip);background:var(--color-red-soft);color:var(--color-red);font-size:var(--fs-caption);font-weight:600}.gh2-q__hard i{width:8px;height:8px;border-radius:50%;background:var(--color-red)}.gh2-q__topic{font-size:var(--fs-caption);color:var(--color-text-muted)}.gh2-q__title{margin:0 0 .75rem;font-size:var(--fs-body);font-weight:600;line-height:1.45;text-wrap:pretty;color:var(--color-text-primary)}.gh2-q__show{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:.5rem 1rem;border:1px solid var(--color-border);border-radius:var(--radius-control);background:var(--color-brand-soft);color:var(--color-brand);font-size:var(--fs-caption);font-weight:600}.gh2-hero__copy{align-self:center}@media (min-width:1024px){.gh2-hero__inner{grid-template-columns:minmax(0,46fr) minmax(0,54fr);align-items:center;gap:3rem}.gh2-visual{position:relative;display:block;aspect-ratio:1/1;max-width:38rem;justify-self:end}.gh2-visual .gh2-lesson{position:absolute;inset:0 0 14% 8%}.gh2-visual .gh2-callout{max-width:52%}.gh2-visual .gh2-code{position:absolute;left:0;bottom:0;width:50%;transform:rotate(-1.5deg)}.gh2-visual .gh2-qcard{position:absolute;right:-2%;top:3%;width:44%;transform:rotate(1.2deg)}}.gh2-lesson{min-width:0}.gh2-shelf__head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;margin-bottom:1.5rem}.gh2-shelf__head .gh2-h2{margin:0}.gh2-shelf__all{display:inline-flex;min-height:44px;color:var(--color-brand);font-weight:600;white-space:nowrap;text-decoration:none}.gh2-shelf__all,.gh2-shelf__nav{align-items:center;gap:var(--space-2)}.gh2-shelf__nav{display:flex}.gh2-shelf__step{display:none;align-items:center;justify-content:center;width:2.25rem;height:2.25rem;border:1px solid var(--color-border);border-radius:var(--radius-control);background:var(--surface-card);color:var(--color-text-secondary);cursor:pointer}.gh2-shelf__step:hover{border-color:var(--color-brand-muted);background-image:var(--hover-tint-layer);color:var(--color-brand)}.gh2-shelf__step:focus-visible{outline:none;box-shadow:var(--focus-ring)}@media (min-width:768px){.gh2-shelf__step{display:inline-flex}}.gh2-shelf__all:hover{color:var(--color-brand-hover)}.gh2-course:focus-visible,.gh2-shelf__all:focus-visible{outline:none;box-shadow:var(--focus-ring)}.gh2-shelf__track{display:flex;gap:.75rem;margin:0;padding:.25rem 0 1rem;list-style:none;overflow-x:auto;overscroll-behavior-x:contain;scroll-snap-type:x mandatory;scrollbar-width:none}.gh2-shelf__track::-webkit-scrollbar{display:none}@media (min-width:1024px){.gh2-shelf__track{-webkit-mask-image:linear-gradient(90deg,transparent,black 2rem,black calc(100% - 2rem),transparent);mask-image:linear-gradient(90deg,transparent,black 2rem,black calc(100% - 2rem),transparent);padding-inline:1rem}}.gh2-shelf__item{flex:0 0 min(17rem,78%);scroll-snap-align:start}@media (min-width:640px){.gh2-shelf__item{flex-basis:17rem}}.gh2-course{display:flex;flex-direction:column;gap:.5rem;height:100%;min-height:14rem;padding:1.25rem;border:1px solid var(--color-border);border-radius:var(--radius-panel);background:var(--surface-card);color:inherit;text-decoration:none;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}.gh2-course:hover{border-color:var(--color-border);background-image:var(--hover-tint-layer)}.gh2-course__top{display:flex;align-items:center;justify-content:space-between;gap:.5rem;margin-bottom:.5rem}.gh2-course__tile{display:inline-grid;place-items:center;width:2.5rem;height:2.5rem;border-radius:var(--radius-control)}.gh2-course__start,.gh2-course__tile{background:var(--color-brand-soft);color:var(--color-brand)}.gh2-course__start{padding:var(--space-1) var(--space-2);border-radius:var(--radius-chip);font-size:var(--fs-caption);font-weight:700}.gh2-course__step{display:none}.gh2-course__title{font-size:var(--fs-body);font-weight:600;line-height:1.3;color:var(--color-text-primary)}.gh2-course__blurb{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;font-size:var(--fs-sm);line-height:1.5;color:var(--color-text-secondary)}.gh2-course__foot{display:flex;align-items:center;justify-content:space-between;gap:.5rem;margin-top:auto;padding-top:.5rem}.gh2-course__meta{font-size:var(--fs-caption);color:var(--color-text-muted)}.gh2-course__go{display:none}.gh2-closing{position:relative;width:100vw;margin-inline:calc(50% - 50vw);padding-block:clamp(3rem,8vw,6rem);background:linear-gradient(rgb(255 255 255/.06) 1px,transparent 1px) 0 0 /32px 32px,linear-gradient(90deg,rgb(255 255 255/.06) 1px,transparent 1px) 0 0 /32px 32px,linear-gradient(135deg,var(--color-brand-solid),color-mix(in srgb,var(--color-brand-solid) 75%,black));color:#fff}.gh2-closing__inner{max-width:72rem;margin-inline:auto;padding-inline:clamp(1rem,4vw,2rem)}.gh2-closing__title{margin:0 0 var(--space-6);font-size:clamp(2rem,1.4rem + 3vw,3.25rem);font-weight:700;line-height:1.05;letter-spacing:0;color:inherit}.gh2-closing__cta{display:flex;flex-wrap:wrap;align-items:center;gap:1.25rem}.gh2-closing .gh2-closing__btn{background:#fff;border-color:#fff;color:var(--color-brand-solid)}.gh2-closing .gh2-closing__btn:hover{background:rgb(255 255 255/.9)}.gh2-closing__ghost{display:inline-flex;align-items:center;min-height:44px;color:inherit;font-weight:600;text-decoration:none}.gh2-closing__ghost:hover{opacity:.85}.gh2-closing__ghost:focus-visible{outline:none;box-shadow:0 0 0 3px rgb(255 255 255/.6)}@media (prefers-reduced-motion:no-preference){.gh2-wave__draw{stroke-dasharray:800;stroke-dashoffset:800;animation:gh2-draw 1.4s ease-out .3s forwards}.gh2-wave__scan{animation:gh2-scan 2.2s ease-in-out 1.2s 1 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0}.gh2-hero__copy{max-width:32rem}.gh2-hero__title{max-width:14ch;margin-bottom:var(--space-3);font-size:2.25rem;line-height:1.12;text-wrap:pretty}.gh2-hero__grad{background:none;color:var(--color-brand)}.gh2-hero__lead{max-width:28rem;margin-bottom:var(--space-5);font-size:var(--fs-body);line-height:1.55}.gh2-hero__cta{flex-direction:column;align-items:stretch;gap:var(--space-2);margin:0}.gh2-hero__cta .k-btn{width:100%}.gh2-hero__note{margin-top:var(--space-3)}.gh2-hero__cta .k-btn--secondary{padding-inline:var(--space-3)}.gh2-shelf{border-top:1px solid var(--color-border-soft)}.gh2-shelf__head{margin-bottom:var(--space-3)}.gh2-shelf__all{font-size:var(--fs-sm)}.gh2-shelf__track{padding-bottom:var(--space-2);scroll-padding-inline:var(--page-gutter)}.gh2-shelf__item{flex:0 0 80%}.gh2-shelf__track:focus-visible{outline:none;border-radius:var(--radius-panel);box-shadow:var(--focus-ring)}.gh2-course__blurb{font-size:var(--fs-body)}.gh2-shelf__item:first-child 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minmax(0,1fr);gap:var(--space-3);padding-bottom:var(--space-4)}.gh2-steps__item:last-child{padding-bottom:0}.gh2-steps__num{position:relative;z-index:1;display:inline-grid;place-items:center;width:1.75rem;height:1.75rem;border-radius:50%;background:var(--color-brand-soft);color:var(--color-brand);font-size:var(--fs-sm);font-weight:var(--fw-semibold)}.gh2-steps__name{display:inline-block;margin:0 0 var(--space-1);font-size:var(--fs-body);font-weight:var(--fw-semibold);line-height:1.75rem;color:var(--color-text-primary);text-decoration:none}a.gh2-steps__name{color:var(--color-brand)}a.gh2-steps__name:hover{text-decoration:underline}a.gh2-steps__name:focus-visible{outline:none;border-radius:var(--radius-control);box-shadow:var(--focus-ring)}.gh2-steps__desc{margin:0;font-size:var(--fs-body);line-height:1.55;color:var(--color-text-secondary)}.gh2-steps__cards{display:grid;gap:var(--space-2)}.gh2-steps__body>.gh2-quick__card,.gh2-steps__cards{margin-top:var(--space-2)}.gh2-quick 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ease}.gh2-quick__card:focus-visible{outline:none;box-shadow:var(--focus-ring)}.gh2-quick__icon{display:inline-flex;align-items:center;justify-content:center;width:2.25rem;height:2.25rem;border-radius:var(--radius-control);background:var(--color-brand-soft);color:var(--color-brand)}.gh2-quick__title{font-weight:700;color:var(--color-brand)}.gh2-quick__body{font-size:var(--fs-caption);line-height:1.5;color:var(--color-text-secondary)}.gh2-peek__caption{display:none}.gh2-sample{padding-block:var(--space-8)}.gh2-sample__card{border:1px solid var(--color-border);border-radius:var(--radius-panel);background:var(--surface-card);padding:var(--space-5)}.gh2-sample .gh2-h2{margin:0 0 var(--space-3)}.gh2-sample__toggle{width:100%;margin-top:var(--space-4)}.gh2-sample__answer{display:grid;gap:var(--space-3)}.gh2-sample__answer[data-open=true]{margin-top:var(--space-4)}.gh2-sample__text{margin:0;font-size:var(--fs-body);line-height:1.55;color:var(--color-text-secondary)}.gh2-sample__code{margin:0;padding:var(--space-4);overflow-x:auto;border:1px solid var(--code-line);border-radius:var(--radius-control);background:var(--code-bg);color:var(--code-ink);font-family:var(--font-mono);font-size:var(--fs-caption);line-height:1.6;white-space:pre}.gh2-sample__links{display:flex;flex-wrap:wrap;gap:var(--space-3)}.gh2-sample__links .k-btn{flex:1 1 10rem}@media (min-width:768px){.gh2-peek__caption,.gh2-sample,.gh2-steps__desc,.gh2-steps__name,.gh2-steps__num{display:none}.gh2-steps__body,.gh2-steps__cards,.gh2-steps__item{display:contents}}@media (prefers-reduced-motion:no-preference){.gh2-sample__answer[data-open=true]{animation:gh2-rise var(--duration-base) ease-out 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3vw,4.4rem);letter-spacing:-.045em}.gh2-hero__grad{background:none;color:var(--color-brand)}.gh2-hero__lead{margin-bottom:var(--space-6);font-size:clamp(1.05rem,.98rem + .3vw,1.2rem);line-height:1.65}.gh2-hero__cta{gap:var(--space-3);margin-bottom:var(--space-4)}.gh2-hero__cta .k-btn{min-width:9.5rem}.gh2-visual{filter:drop-shadow(0 1.25rem 2rem color-mix(in srgb,var(--color-slate-900) 12%,transparent))}.gh2-visual>*{animation:none}.gh2-panel{box-shadow:var(--elev-1)}.gh2-closing__inner,.gh2-quick,.gh2-shelf{width:100%;max-width:72rem;margin-inline:auto}.gh2-quick,.gh2-shelf{padding-block:clamp(2.75rem,6vw,4.75rem)}.gh2-shelf{border-bottom:1px solid var(--color-border-soft)}.gh2-shelf__head{align-items:center;margin-bottom:var(--space-6)}.gh2-quick__head .gh2-h2,.gh2-shelf__head .gh2-h2{font-size:clamp(1.55rem,1.35rem + 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