.hub{max-width:980px}.hub-head h1{margin:0;font-family:var(--f-display);font-weight:600;font-size:clamp(40px,4.6vw,58px);line-height:1.02;letter-spacing:-.035em;color:var(--navy)}.hub-lede{margin:18px 0 0;max-width:68ch;font-size:16.5px;line-height:1.65;color:var(--ink-2)}.hub-actions{margin-top:24px;display:flex;flex-wrap:wrap;gap:10px}.hub-btn{display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:9px;font:600 14px/1 var(--f-body);text-decoration:none;transition:transform .2s cubic-bezier(.2,.7,.3,1),box-shadow .2s ease,background-color .15s ease}.hub-btn-primary{background:var(--grad-brand);color:var(--paper);box-shadow:0 1px #1a1f2e0f,0 10px 22px -12px #7145fc99}.hub-btn-primary:hover{transform:translateY(-1px);box-shadow:0 1px #1a1f2e0f,0 14px 28px -12px #7145fcb3}.hub-btn-quiet{background:var(--paper-3);color:var(--navy)}.hub-btn-quiet:hover{background:var(--rule)}.hub-btn:focus-visible{outline:2px solid var(--brand-purple);outline-offset:3px}.hub-stage{position:relative;margin:40px 0 0;aspect-ratio:980 / 560;border-radius:18px;overflow:hidden;border:1px solid var(--rule);background:radial-gradient(640px 320px at 18% -6%,rgba(113,69,252,.24),transparent 64%),radial-gradient(620px 320px at 86% 4%,rgba(248,173,240,.4),transparent 62%),radial-gradient(520px 300px at 50% 120%,rgba(139,124,247,.2),transparent 66%),radial-gradient(circle at 1px 1px,rgba(67,60,98,.12) 1px,transparent 1.6px) 0 0/22px 22px,#f6f3fd}.hub-win{position:absolute;display:flex;flex-direction:column;overflow:hidden;background:var(--paper);border:1px solid rgba(49,28,116,.1);border-radius:12px}.hub-win-sheet{left:5%;top:9%;width:50%;box-shadow:0 1px #311c7408,0 30px 64px -36px #311c746b}.hub-win-chat{right:5%;top:21%;bottom:7%;width:50%;box-shadow:0 2px #311c740a,0 44px 90px -32px #311c7494}.hub-win-bar{flex:none;display:flex;align-items:center;gap:6px;padding:9px 13px;background:var(--paper-2);border-bottom:1px solid var(--rule)}.hub-win-bar i{width:8px;height:8px;border-radius:50%;background:var(--rule-strong)}.hub-win-bar span{margin-left:8px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-family:var(--f-mono);font-size:10px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}.hub-win-frame{position:relative;overflow:hidden}.hub-win-chat .hub-win-frame{flex:1;margin-top:10px}.hub-win-chat .hub-win-frame:before{content:"";position:absolute;left:0;right:0;bottom:0;height:72px;z-index:2;background:linear-gradient(to bottom,rgba(255,255,255,0),var(--paper) 82%)}.hub-win-frame:after{content:"";position:absolute;inset:0;z-index:3}.hub-shot-embed{display:block;border:0;transform-origin:0 0;pointer-events:none;opacity:0;transition:opacity .5s cubic-bezier(.2,.7,.3,1)}.hub-shot-embed.is-ready{opacity:1}.hub-section{margin-top:56px}.hub-section h2{margin:0 0 16px;font-family:var(--f-display);font-weight:600;font-size:22px;letter-spacing:-.02em;color:var(--navy)}.hub-go{color:var(--ink-3);transition:transform .22s cubic-bezier(.2,.7,.3,1),color .15s ease}.hub-path{list-style:none;margin:0;padding:6px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;border-radius:16px;background:linear-gradient(180deg,var(--lavender-tint),#faf9ff);border:1px solid #e9e5fb}.hub-step{position:relative;display:flex;flex-direction:column;height:100%;box-sizing:border-box;padding:18px 20px 20px;border-radius:11px;text-decoration:none;border:1px solid transparent;transition:background-color .18s ease,border-color .18s ease,box-shadow .25s ease}.hub-step:hover{background:var(--paper);border-color:#e4defb;box-shadow:0 12px 30px -20px #311c7459}.hub-step-no{position:static;display:grid;place-items:center;width:26px;height:26px;border-radius:50%;font:600 13px/1 var(--f-display);color:var(--brand-purple);background:var(--paper);box-shadow:inset 0 0 0 1px #ddd5fb;transition:background .2s ease,color .2s ease,box-shadow .2s ease}.hub-step:hover .hub-step-no{background:var(--grad-brand);color:var(--paper);box-shadow:none}.hub-step-title{margin-top:16px;font-size:16px;font-weight:600;line-height:1.3;color:var(--navy)}.hub-step-line{margin-top:5px;font-size:14px;line-height:1.5;color:var(--ink-2)}.hub-path li:not(:last-child) .hub-step-no:after{content:"";position:absolute;top:30px;left:56px;right:48px;height:2px;pointer-events:none;background:radial-gradient(circle,#cfc6fb 1px,transparent 1.4px) 0 50% / 7px 2px repeat-x}.hub-step .hub-go{position:absolute;top:20px;right:20px;opacity:0;transform:translate(-4px)}.hub-step:hover .hub-go{opacity:1;transform:none;color:var(--brand-purple)}.hub-chapters{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.hub-chapter{display:flex;flex-direction:column;padding:22px 24px 18px;border-radius:14px;background:var(--paper);border:1px solid var(--rule);text-decoration:none;transition:border-color .18s ease,box-shadow .25s ease,transform .25s cubic-bezier(.2,.7,.3,1)}.hub-chapter:hover{border-color:#dcd5fb;transform:translateY(-2px);box-shadow:0 1px #1a1f2e08,0 18px 40px -24px #311c7452}.hub-chapter-no{font:600 40px/1 var(--f-display);letter-spacing:-.04em;color:#cbc1fb;font-variant-numeric:tabular-nums;transition:color .2s ease}.hub-chapter:hover .hub-chapter-no{color:var(--brand-purple)}.hub-chapter-title{margin-top:18px;font-size:18px;font-weight:600;line-height:1.25;letter-spacing:-.01em;color:var(--navy)}.hub-chapter-line{margin:5px 0 18px;font-size:14px;line-height:1.5;color:var(--ink-2)}.hub-chapter-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--rule);display:flex;align-items:center;justify-content:space-between;font-family:var(--f-mono);font-size:10.5px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}.hub-chapter:hover .hub-go{transform:translate(3px);color:var(--brand-purple)}.hub-rows{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.hub-row{display:flex;align-items:center;gap:14px;padding:16px 18px;border-radius:12px;background:var(--paper);border:1px solid var(--rule);text-decoration:none;transition:border-color .18s ease,box-shadow .25s ease}.hub-row:hover{border-color:#dcd5fb;box-shadow:0 12px 30px -22px #311c7452}.hub-row-icon{flex:none;width:18px;height:18px;fill:none;stroke:var(--brand-purple);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.hub-row-text{display:flex;flex-direction:column;min-width:0;flex:1}.hub-row-title{font-size:15px;font-weight:600;line-height:1.3;color:var(--navy)}.hub-row-line{margin-top:2px;font-size:13.5px;line-height:1.45;color:var(--ink-2)}.hub-row:hover .hub-go{transform:translate(3px);color:var(--brand-purple)}.hub-step:focus-visible,.hub-chapter:focus-visible,.hub-row:focus-visible{outline:2px solid var(--brand-purple);outline-offset:2px}@media(max-width:900px){.hub-path{grid-template-columns:minmax(0,1fr)}.hub-path li .hub-step-no:after{display:none}}@media(max-width:640px){.hub-stage{aspect-ratio:4 / 5}.hub-win-sheet{display:none}.hub-win-chat{left:6%;right:6%;top:7%;width:auto}.hub-chapters,.hub-rows{grid-template-columns:minmax(0,1fr)}}@media(prefers-reduced-motion:reduce){.hub-btn,.hub-step,.hub-step-no,.hub-chapter,.hub-chapter-no,.hub-row,.hub-go,.hub-shot-embed{transition:none}.hub-btn-primary:hover,.hub-chapter:hover{transform:none}}