.pricing.svelte-1b55avn{border-block:1px solid var(--border);background:var(--surface)}.pricing-intro.svelte-1b55avn{gap:var(--concept-gap);grid-template-columns:1fr 1fr;align-items:end;margin-bottom:3rem;display:grid}.pricing-intro.svelte-1b55avn #pricing-title,.pricing-intro.svelte-1b55avn p:where(.svelte-1b55avn){margin:0}.pricing-options.svelte-1b55avn{gap:var(--concept-gap);grid-template-columns:1fr 1fr;display:grid}.price-option.svelte-1b55avn{border-top:1px solid var(--border);flex-direction:column;align-items:start;padding-top:2rem;display:flex}.price-option.svelte-1b55avn h3:where(.svelte-1b55avn){margin:0;font-weight:500}.price-option.svelte-1b55avn .concept-lead:where(.svelte-1b55avn){margin:0}.price-option.svelte-1b55avn ul:where(.svelte-1b55avn){flex-direction:column;gap:1rem;margin:2rem 0 1.5rem;padding:0;list-style:none;display:flex}.price-option.svelte-1b55avn li:where(.svelte-1b55avn){color:var(--dim);font-size:var(--concept-body);padding-left:1.6rem;line-height:1.5;position:relative}.price-option.svelte-1b55avn li:where(.svelte-1b55avn):before{content:"✓";color:var(--dim);position:absolute;left:0}.price-note.svelte-1b55avn{margin:auto 0 1.5rem}.pro-heading.svelte-1b55avn{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;width:100%;display:flex}.billing-toggle.svelte-1b55avn{border:1px solid var(--border);border-radius:var(--r-2);padding:3px;display:flex}.billing-toggle.svelte-1b55avn button:where(.svelte-1b55avn){min-height:40px;color:var(--faint);border-radius:var(--r-1);font-size:var(--concept-small);cursor:pointer;background:0 0;border:0;padding:.4rem .8rem}.billing-toggle.svelte-1b55avn button[aria-pressed=true]:where(.svelte-1b55avn){background:var(--surface-2);color:var(--ink)}.price-option.svelte-1b55avn>h3:where(.svelte-1b55avn){align-items:center;min-height:48px;display:flex}.billing-toggle.svelte-1b55avn button[aria-pressed=true]:where(.svelte-1b55avn){box-shadow:inset 0 -2px 0 var(--accent);font-weight:600}@media (width<=860px){.pricing-intro.svelte-1b55avn,.pricing-options.svelte-1b55avn{grid-template-columns:1fr}.pricing-intro.svelte-1b55avn{gap:1.5rem}.price-option.svelte-1b55avn .concept-lead:where(.svelte-1b55avn){margin-top:1rem}}.concept{--concept-width:1280px;--concept-gutter:clamp(1.25rem, 5vw, 4rem);--concept-hero:clamp(3rem, 7.4vw, 6rem);--concept-display:clamp(2rem, 4.6vw, 4rem);--concept-title:clamp(1.25rem, 2vw, 1.6rem);--concept-body:1.0625rem;--concept-lead:clamp(1.05rem, 1.5vw, 1.2rem);--concept-small:.92rem;--concept-gap:clamp(2rem, 5vw, 4rem);--concept-section:clamp(4rem, 8vw, 8rem);--concept-ease:cubic-bezier(.16, 1, .3, 1);background:var(--bg);min-height:100svh;color:var(--ink);font-family:var(--font-ui)}.concept-container{width:min(100% - var(--concept-gutter) * 2, var(--concept-width));margin-inline:auto}.concept h1{font-size:var(--concept-hero);letter-spacing:-.04em;text-wrap:balance;font-weight:600;line-height:1.02}.concept h2{font-size:var(--concept-display);letter-spacing:-.035em;text-wrap:balance;font-weight:600;line-height:1.08}.concept h3{font-size:var(--concept-title);letter-spacing:-.02em;line-height:1.2}.concept p{font-size:var(--concept-body);line-height:1.6}.concept .concept-lead{font-size:var(--concept-lead);color:var(--dim);max-width:54ch}.concept .concept-small{font-size:var(--concept-small);color:var(--faint);line-height:1.5}.concept .concept-mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}.concept-section{padding-block:var(--concept-section)}.concept-actions{flex-wrap:wrap;align-items:center;gap:.85rem;display:flex}.concept-button{border-radius:var(--r-2);background:var(--accent-fill);min-height:48px;color:var(--accent-ink);font:inherit;cursor:pointer;transition:background .16s ease, transform .16s var(--concept-ease);border:1px solid #0000;justify-content:center;align-items:center;gap:.65rem;padding:.8rem 1.35rem;font-weight:600;text-decoration:none;display:inline-flex}.concept-button:hover{filter:brightness(1.08)}.concept-button:active{transform:translateY(1px)}.concept-button--quiet{border-color:var(--border);color:var(--ink);background:0 0}.concept-button--quiet:hover{background:var(--surface-hover);filter:none}.concept-link{color:var(--ink);text-underline-offset:.25em;text-decoration-thickness:1px}.concept-nav{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem 2rem;min-height:94px;display:flex}.concept-nav-links{flex-wrap:wrap;align-items:center;gap:1.5rem;display:flex}.concept-nav-links a{color:var(--dim);text-decoration:none}.concept-nav-links a:hover{color:var(--ink)}.concept :where(a,button,input):focus-visible{outline:2px solid var(--accent);outline-offset:4px}.concept ::selection{color:var(--ink);background:var(--accent-border)}.concept :where(button,input){font:inherit}.concept :where(input){caret-color:var(--accent)}.concept :where(*){scrollbar-color:var(--border) var(--bg)}.concept [disabled]{opacity:.55;cursor:default}@media (width<=640px){.concept-nav{padding-block:1rem}.concept-nav-links{gap:1rem}.concept-actions{align-items:stretch}}.walk-section{border-top:1px solid var(--border);padding-block:var(--concept-section)}.walk-intro{gap:var(--concept-gap);grid-template-columns:1fr 1fr;align-items:end;margin-bottom:4rem;display:grid}.walk-intro h2,.walk-intro p{margin:0}.walk-intro a{align-items:center;gap:.75rem;min-height:44px;margin-top:1rem;display:inline-flex}.concept .platform-tag{font-family:var(--font-mono);font-size:var(--concept-small);color:var(--dim);margin:0 0 1.1rem}.walk-layout{width:min(100% - var(--concept-gutter) * 2, 1536px);grid-template-columns:minmax(0,1fr) minmax(270px,340px);align-items:start;column-gap:clamp(2rem,4vw,4rem);margin-inline:auto;display:grid}.walk-layout--device{width:min(100% - var(--concept-gutter) * 2, var(--concept-width));grid-template-columns:minmax(280px,420px) minmax(0,1fr)}.walk-stage{min-width:0;height:100%}.walk-pin{position:sticky;top:32px}.concept .walk-hint{color:var(--faint);font-size:var(--concept-small);min-height:3em;margin:1rem 0 0}.walk-layout--device .walk-hint{text-align:center}.walk-chapters{padding-top:9svh}.walk-layout--device .walk-chapters{max-width:58ch}.walk-chapter{border-left:1px solid var(--border);min-height:76svh;padding:2.5rem 0 3.5rem 2rem;position:relative}.walk-chapter:last-child{min-height:86svh}.chapter-label{color:var(--dim);font-size:var(--concept-small);align-items:center;gap:1rem;display:flex}.chapter-number{border:1px solid var(--border);background:var(--bg);width:2rem;height:2rem;font-family:var(--font-mono);border-radius:50%;place-items:center;font-size:.78rem;transition:border-color .2s,color .2s;display:grid;position:absolute;left:-1rem}.walk-chapter.current .chapter-number{border-color:var(--accent);color:var(--ink)}.chapter-label>span:last-child{margin-left:.1rem}.concept .walk-chapter h3{text-wrap:balance;margin:1.5rem 0 1.1rem;font-size:clamp(1.8rem,2.5vw,2.65rem);font-weight:600;line-height:1.12}.concept .walk-chapter p{color:var(--dim);margin:0}.walk-chapter blockquote{font-family:var(--font-mono);font-size:var(--concept-small);color:var(--ink);margin:1.6rem 0 0;line-height:1.7}.walk-after{justify-content:space-between;align-items:start;gap:3rem;margin-top:2rem;display:flex}.walk-after p{max-width:65ch;margin:0}.walk-after a{align-items:center;gap:.5rem;min-height:44px;display:inline-flex}.walk-select{display:none}@media (width<=1100px) and (width>=861px){.walk-layout{grid-template-columns:minmax(0,1fr) 260px;gap:1.8rem;width:calc(100% - 2.5rem)}.walk-layout--device{grid-template-columns:minmax(250px,340px) minmax(0,1fr)}.walk-chapter{padding-left:1.5rem}}@media (width<=860px){.walk-intro{grid-template-columns:1fr;gap:1.5rem;margin-bottom:2.5rem}.walk-layout{flex-direction:column;gap:1.5rem;display:flex}.walk-select{flex-direction:column;gap:.5rem;width:100%;display:flex}.walk-select label{font-size:var(--concept-small);color:var(--dim)}.walk-select select{background:var(--surface);width:100%;min-height:48px;color:var(--ink);border:1px solid var(--border);border-radius:var(--r-2);font:inherit;padding:.75rem}.walk-select select:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.walk-stage{width:100%;height:auto}.walk-pin{position:static}.walk-chapters{width:100%;max-width:none;padding-top:0}.walk-chapter,.walk-chapter:last-child{min-height:0;padding-top:1.5rem;padding-bottom:1.5rem}.walk-chapter.mobile-hidden{display:none}.walk-after{flex-direction:column;gap:1rem}}@media (prefers-reduced-motion:reduce){.concept{scroll-behavior:auto}.concept *,.concept :before,.concept :after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}