.ob{position:relative;z-index:1;min-height:100dvh;width:min(1080px,100%);margin-inline:auto;padding:clamp(24px,4vw,56px) clamp(20px,4vw,40px);display:grid;grid-template-columns:minmax(260px,340px) minmax(0,1fr);column-gap:clamp(32px,6vw,88px)}.ob,.ob__rail{align-items:center}.ob__rail{position:sticky;top:0;align-self:center;display:flex;flex-direction:column;gap:var(--s-8);padding-block:var(--s-6)}.ob__markwrap{display:grid;place-items:center}.ob__theme{position:absolute;top:clamp(16px,3vw,28px);right:clamp(16px,3vw,28px);z-index:5}@media (max-width:860px){.ob__theme{top:12px;right:12px}}.ob-steps{display:flex;flex-direction:column;gap:2px;width:100%;max-width:240px}.ob-step{display:flex;align-items:center;gap:var(--s-3);padding:var(--s-2) var(--s-1);position:relative}.ob-step:not(:last-child):before{content:"";position:absolute;left:calc(var(--s-1) + 10px);top:calc(50% + 12px);width:1.5px;height:calc(100% - 12px);background:var(--hairline)}.ob-step[data-state=done]:not(:last-child):before{background:color-mix(in srgb,var(--sys-blue) 45%,transparent)}.ob-step__node{flex:0 0 auto;width:21px;height:21px;border-radius:50%;display:grid;place-items:center;border:1.5px solid var(--hairline-strong);color:var(--ink-tertiary);background:var(--canvas);transition:border-color var(--dur-base) var(--ease-out-quart),background var(--dur-base) var(--ease-out-quart),color var(--dur-base) var(--ease-out-quart);position:relative;z-index:1}.ob-step__dot{width:6px;height:6px;border-radius:50%;background:currentColor}.ob-step__label{font-size:13.5px;font-weight:var(--fw-medium,500);color:var(--ink-tertiary);letter-spacing:-.01em;transition:color var(--dur-base) var(--ease-out-quart)}.ob-step[data-state=active] .ob-step__node{border-color:var(--sys-blue);color:var(--sys-blue);box-shadow:0 0 0 4px color-mix(in srgb,var(--sys-blue) 12%,transparent)}.ob-step[data-state=active] .ob-step__label{color:var(--ink);font-weight:var(--fw-semibold,600)}.ob-step[data-state=done] .ob-step__node{border-color:color-mix(in srgb,var(--sys-blue) 55%,transparent);background:color-mix(in srgb,var(--sys-blue) 12%,transparent);color:var(--sys-blue)}.ob-step[data-state=done] .ob-step__label{color:var(--ink-secondary)}.ob__main{min-width:0;width:100%;max-width:580px}.ob-stage{gap:var(--s-6)}.ob-stack,.ob-stage{display:flex;flex-direction:column}.ob-stack{gap:var(--s-3)}.ob-speaker{display:flex;flex-direction:column;gap:4px;margin-bottom:var(--s-5)}.ob-speaker__who{font-size:12px;font-weight:var(--fw-semibold,600);letter-spacing:.02em;color:var(--sys-blue);text-transform:uppercase}.ob-speaker__line{font-size:17px;line-height:1.4;color:var(--ink);letter-spacing:-.01em}.ob-lead{font-size:13px;color:var(--ink-secondary);margin-bottom:var(--s-2)}.ob-h2{font-size:clamp(22px,3vw,27px);font-weight:650;letter-spacing:-.02em;color:var(--ink);line-height:1.22}.ob-form{flex-direction:column}.ob-field,.ob-form{display:flex;gap:var(--s-2)}.ob-field{align-items:center;background:var(--canvas-raised);border:1px solid var(--hairline);border-radius:var(--r-md);box-shadow:var(--elev-rest);padding:8px 8px 8px 16px;transition:border-color var(--dur-fast) var(--ease-out-quart),box-shadow var(--dur-fast) var(--ease-out-quart)}.ob-field--plain{box-shadow:none;padding:11px 16px}.ob-field:focus-within{border-color:color-mix(in srgb,var(--sys-blue) 55%,transparent);box-shadow:0 0 0 3px color-mix(in srgb,var(--sys-blue) 14%,transparent)}.ob-field input{flex:1;min-width:0;border:none;outline:none;background:none;color:var(--ink);font-size:15px;font-family:var(--font-system-sans)}.ob-field input::placeholder{color:var(--ink-quaternary,var(--ink-tertiary))}.ob-note{font-size:13px;color:var(--ink-tertiary);margin-top:var(--s-3)}.ob-skip{display:flex;flex-direction:column;gap:4px;margin-top:var(--s-5);padding-top:var(--s-4);border-top:1px solid var(--hairline)}.ob-skip__link{align-self:flex-start;border:none;background:none;padding:0;font-family:inherit;font-size:13.5px;font-weight:var(--fw-medium,500);color:var(--ink-secondary);text-decoration:underline;text-underline-offset:3px;text-decoration-color:color-mix(in srgb,currentColor 40%,transparent);cursor:pointer;transition:color var(--dur-fast) var(--ease-out-quart)}.ob-skip__link:hover:not(:disabled){color:var(--ink)}.ob-skip__link:disabled{cursor:default;opacity:.45}.ob-skip__note{font-size:12px;color:var(--ink-tertiary);line-height:1.5;max-width:52ch}.ob-skip__error{margin:2px 0 0;font-size:13px;line-height:1.5;color:var(--sem-error)}.ob-qs{gap:var(--s-6)}.ob-qgroup,.ob-qs{display:flex;flex-direction:column}.ob-qgroup{gap:var(--s-2)}.ob-qgroup__label{font-size:13px;font-weight:var(--fw-semibold,600);color:var(--ink-secondary)}.ob-chips{display:flex;gap:var(--s-2);flex-wrap:wrap}.ob-hint{font-size:12px;color:var(--ink-tertiary)}.ob-scan{gap:var(--s-3);padding:var(--s-4) 0;border-block:1px solid var(--hairline)}.ob-readout,.ob-scan{display:flex;flex-direction:column}.ob-readout{border-top:1px solid var(--hairline);padding-top:var(--s-3);margin-top:var(--s-1);gap:4px}.ob-readout__line{font-size:12.5px;color:var(--ink-secondary);display:flex;gap:7px}.ob-readout__line:before{content:"◆";color:var(--sys-blue);opacity:.7}.ob-provcard{padding:14px 0;border-bottom:1px solid var(--hairline)}.ob-provcard__head{display:flex;align-items:center;gap:var(--s-2);margin-bottom:8px;color:var(--ink-tertiary)}.ob-provcard__title{font-weight:var(--fw-semibold,600);font-size:15px;color:var(--ink)}.ob-provcard__body{display:flex;align-items:baseline;gap:12px;color:var(--ink-secondary);font-size:13px;line-height:1.5}.ob-provcard__body strong{color:var(--ink);font-size:18px;font-variant-numeric:tabular-nums}.ob-provcard__source{margin-top:6px;color:var(--ink-tertiary);font-size:12px}.ob-herocard{display:grid;gap:4px;padding:16px 0;border-block:1px solid var(--hairline)}.ob-hero-figure{color:var(--ink);font-size:28px;font-weight:var(--fw-semibold);letter-spacing:-.02em;font-variant-numeric:tabular-nums}.ob-hero-label{color:var(--ink-tertiary);font-size:12px}.ob-cta{display:flex;align-items:center;gap:var(--s-3);flex-wrap:wrap;padding-top:var(--s-2)}.ob-cta__aside,.ob-section-title{font-size:13px;color:var(--ink-tertiary)}.ob-section-title{font-weight:var(--fw-semibold,600)}.ob-stage--center{align-items:center;text-align:center}.ob-goal-input{width:min(400px,100%);text-align:center;padding:11px 16px;border-radius:var(--r-md);border:1px solid var(--hairline);background:var(--canvas-raised);color:var(--ink);font-size:15px;outline:none;transition:border-color var(--dur-fast) var(--ease-out-quart),box-shadow var(--dur-fast) var(--ease-out-quart)}.ob-goal-input:focus{border-color:color-mix(in srgb,var(--sys-blue) 55%,transparent);box-shadow:0 0 0 3px color-mix(in srgb,var(--sys-blue) 14%,transparent)}.ob-opening{display:flex;flex-direction:column;align-items:center;gap:var(--s-4)}@media (max-width:860px){.ob{grid-template-columns:1fr;row-gap:var(--s-6);align-items:start;padding-top:clamp(20px,6vw,40px)}.ob__rail{position:static;flex-direction:column;gap:var(--s-7)}.ob-steps{flex-direction:row;max-width:none;justify-content:center;gap:0}.ob-step{flex-direction:column;gap:var(--s-1);padding:0;text-align:center;flex:1;max-width:88px}.ob-step:not(:last-child):before{left:calc(50% + 10px);top:10px;width:calc(100% - 20px);height:1.5px}.ob-step__label{font-size:11px}@media (max-width:520px){.ob-step__label{display:none}}.ob__main{max-width:560px;margin-inline:auto}}