.about-section{min-height:0;padding-top:56px;padding-bottom:72px}
.about-heading h2{margin-bottom:12px;font-size:clamp(30px,3.4vw,40px);letter-spacing:-1.3px}
.about-period{color:#a1a1a1}
.about-subtitle{display:flex;gap:10px;align-items:center;margin:0;color:#969696;font-size:12px;line-height:1.5}
.about-subtitle span{color:#d2d2d2}
.about-intro{max-width:760px;font-size:clamp(19px,2vw,23px);line-height:1.5;letter-spacing:-.45px;margin:30px 0 35px;color:#575757}
.about-notebook{display:grid;gap:12px}
.about-toggle{border:1px solid #e9e9e7;border-radius:16px;background:#fafaf9;overflow:hidden;transition:background .24s,border-color .24s;overflow-anchor:none}
.about-toggle[open]{background:#f5f5f3;border-color:#e3e3e0}
.about-toggle summary{display:flex;align-items:center;gap:12px;padding:22px 24px;min-height:64px;list-style:none;border-radius:15px;cursor:pointer;font-size:18px;font-weight:500;letter-spacing:-.25px;transition:background .18s,color .18s;-webkit-tap-highlight-color:transparent;user-select:none}
.about-toggle summary::-webkit-details-marker{display:none}
.about-toggle summary::marker{content:""}
.about-toggle summary>svg{width:18px;height:18px;color:#888;stroke-width:1.5}
.toggle-chevron{display:inline-block;width:16px;text-align:center;font-size:17px;color:#878787;transition:transform .24s cubic-bezier(.2,.8,.2,1)}
.about-toggle[open]:not([data-closing]) .toggle-chevron{transform:rotate(90deg);color:#303030}
.toggle-index{margin-left:auto;font-size:11px;font-variant-numeric:tabular-nums;font-weight:400;color:#b6b6b6;letter-spacing:0}
.about-toggle summary:focus-visible{outline:2px solid #91baff;outline-offset:-3px}
@media(hover:hover){.about-toggle:has(summary:hover){background:#f2f2f0}}
.about-body{padding:0 24px 26px 24px}
.about-indent{padding:0}
.about-body p{max-width:700px;font-size:16px;line-height:1.65;letter-spacing:-.15px;margin:0 0 13px}
.about-body p:last-child{margin-bottom:0}
.about-secondary{color:#888}
.inline-note{background:#f3f3f2;border-radius:4px;padding:1px 5px;color:#666;font-size:.93em}

.about-project-types{display:flex;flex-wrap:wrap;gap:8px;margin:19px 0}
.about-project-types span{font-size:12px;padding:6px 9px;border-radius:5px;background:#f3f3f2;color:#6c6c6c}
.about-tools{list-style:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 30px;padding:0;margin:24px 0 26px;max-width:640px}
.about-tools li{display:flex;align-items:center;gap:12px;font-size:14px;line-height:1.4}
.tool-monogram{display:grid;place-items:center;width:39px;height:39px;flex:none;border:1px solid #e4e4e4;border-radius:9px;background:linear-gradient(#fff,#f5f5f4);box-shadow:0 2px 3px #00000004;font-size:17px;letter-spacing:-.8px;color:#626262}
.about-tools small{display:block;color:#999;font-size:11px;margin-top:3px}
.about-body .about-ai{display:flex;gap:10px;align-items:flex-start;color:#888;font-size:14px}
.about-ai svg{width:17px;height:17px;margin-top:3px;color:#999}
.about-process{list-style:none;counter-reset:steps;padding:0;margin:20px 0 0;display:grid;gap:17px}
.about-process li{counter-increment:steps;display:grid;grid-template-columns:22px 1fr;column-gap:10px;font-size:15px;line-height:1.6}
.about-process li::before{content:counter(steps,decimal-leading-zero);grid-row:span 2;color:#aaa;font-size:11px;padding-top:4px}
.about-process strong{font-weight:500}.about-process li>span{grid-column:2;color:#888}
.about-footnote{display:flex;gap:9px;margin:21px 0 0;font-size:12px;line-height:1.5;color:#a2a2a2}
.about-footnote>span{color:#b8b8b8}
@media(max-width:650px){.about-section{padding-top:38px;padding-bottom:52px}.about-heading h2{font-size:29px}.about-subtitle{font-size:10px;gap:7px}.about-intro{font-size:19px;margin:25px 0 26px}.about-break{display:none}.about-toggle summary{font-size:15px;gap:9px;padding:18px 16px;min-height:58px}.about-body{padding:0 16px 22px}.about-toggle{border-radius:13px}.about-body p{font-size:14px}.about-tools{gap:18px;grid-template-columns:1fr}.about-tools li{font-size:14px}.about-process li{font-size:14px}.about-footnote{font-size:11px}}
@media(prefers-reduced-motion:reduce){.about-toggle[open] .about-body{animation:none}.toggle-chevron,.about-toggle summary{transition:none}}