.business-section .section-head{align-items:start}
.business-section .section-intro{max-width:62ch}
.business-principle{padding:22px 26px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card-flat);margin-bottom:28px;display:grid;grid-template-columns:1fr 1fr;gap:18px 32px}
.business-principle strong{display:block;margin-bottom:6px;color:var(--text)}
.business-principle p{margin:0;color:var(--text-2);font-size:14px;line-height:1.7}
.business-picker{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:24px}
.business-choice{display:flex;flex-direction:column;gap:8px;padding:16px;text-align:left;border:1px solid var(--line);border-radius:13px;background:var(--card-flat);color:var(--text);font:inherit;cursor:pointer;min-height:94px}
.business-choice strong{font-size:14px;line-height:1.4}.business-choice small{font-size:12px;line-height:1.5;color:var(--text-2)}
.business-choice[aria-pressed=true]{border-color:var(--accent-strong);background:var(--accent-tint-2);box-shadow:0 0 0 1px var(--accent-line)}
.business-choice:hover{border-color:var(--line-hover)}
.business-detail{scroll-margin-top:96px;border:1px solid var(--line);border-radius:var(--radius);padding:32px;background:linear-gradient(145deg,var(--card-1),var(--card-2))}
.business-detail h3{font-size:clamp(26px,3vw,36px);line-height:1.2;letter-spacing:-.035em;margin:12px 0 14px;max-width:27ch}
.business-subject{font-size:13px;color:var(--muted);margin-bottom:22px}.business-context{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:28px}
.business-context h4,.business-detail h4{font-size:15px;line-height:1.4;margin:0 0 10px}.business-context p,.business-detail p{font-size:14px;line-height:1.75;color:var(--text-2)}
.business-people{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin:18px 0 0;list-style:none;padding:0}
.business-person{position:relative;min-width:0;padding:16px 13px;border:1px solid var(--line);border-radius:12px;background:var(--card-flat)}
.business-person strong{display:block;font-size:13px;line-height:1.5;margin:7px 0;overflow-wrap:anywhere}.business-person p{font-size:12px;margin:0;line-height:1.6}.business-person small{color:var(--muted);font-size:11px}
.business-kernel{margin:12px 0 28px;padding:17px 20px;text-align:center;border:1px solid var(--accent-line);border-radius:12px;background:var(--accent-tint)}
.business-kernel strong{color:var(--text);font-size:15px}.business-kernel p{margin:5px auto 0;max-width:72ch;font-size:13px}
.business-work{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:start}
.business-timeline{list-style:none;padding:0;margin:18px 0 0}.business-event{position:relative;padding:0 0 22px 24px;border-left:1px solid var(--line-strong)}
.business-event:before{position:absolute;content:"";width:7px;height:7px;background:var(--accent-strong);border-radius:50%;left:-4px;top:7px}.business-event:last-child{padding-bottom:4px}
.business-event-head{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:12px;color:var(--muted);margin-bottom:7px}.business-event-head time{font-family:ui-monospace,monospace;color:var(--accent)}
.business-event blockquote{margin:0;font-size:13px;line-height:1.7;color:var(--text-2);overflow-wrap:anywhere}
.business-answer{padding:22px;border:1px solid var(--line);border-radius:16px;background:var(--card-flat);min-width:0}
.business-answer label{display:block;font-size:13px;font-weight:650;margin:12px 0 8px}.business-answer textarea{display:block;width:100%;min-height:164px;resize:vertical;padding:13px;border:1px solid var(--line);border-radius:10px;color:var(--text);background:var(--card-quiet);font:13px/1.65 ui-monospace,SFMono-Regular,Consolas,monospace}
.business-answer .btn{width:100%;margin-top:12px;font-size:13px;font-weight:650;line-height:1.4;font-family:inherit;padding:12px 16px;cursor:pointer;white-space:normal;text-align:center}
.business-answer .business-status{min-height:20px;font-size:12px;color:var(--accent);margin:8px 0 18px}.business-answer h4{margin-top:18px}.business-sources{font-size:12px!important;color:var(--muted)!important}
.business-next{border-top:1px solid var(--line);padding-top:16px;margin-top:18px}.business-next p{margin:0}.business-detail-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}.business-detail-actions .btn{font-size:13px;white-space:normal;text-align:center;padding:10px 16px}
.business-docs{padding:18px 0}.business-docs ol{padding-left:22px}
.nav .nav-links{gap:18px}
@media(max-width:980px){.business-people{grid-template-columns:repeat(3,minmax(0,1fr))}.business-work{grid-template-columns:1fr}.business-detail{padding:26px}}
@media(max-width:640px){.business-picker{grid-template-columns:repeat(2,minmax(0,1fr))}.business-choice{padding:13px;min-height:96px}.business-principle,.business-context{grid-template-columns:1fr;gap:18px}.business-principle{padding:20px}.business-people{grid-template-columns:1fr 1fr}.business-person:last-child{grid-column:1/-1}.business-detail{padding:20px;scroll-margin-top:88px}.business-answer{padding:18px}.business-detail-actions .btn{width:100%}.business-event{padding-left:18px}}