.compound-depth{--cd-ink:#111718;--cd-lime:#bcf20a;--cd-muted:#606a69;--cd-border:#d4dcda;margin:54px 0 68px;color:var(--cd-ink)}
.compound-depth *{box-sizing:border-box}
.compound-depth section[id]{scroll-margin-top:120px}
.cd-section-nav{display:flex;gap:8px 28px;flex-wrap:wrap;border-block:1px solid var(--cd-border);padding:19px 0;margin-bottom:48px}
.cd-section-nav a{font-size:13px;font-weight:650;text-decoration:none;color:#4d5756;padding:5px 0}
.cd-section-nav a:hover{color:#172600;text-decoration:underline;text-underline-offset:5px}
.cd-section-heading{margin-bottom:27px;max-width:790px}
.compound-depth .cd-kicker{display:block;font-size:11px;font-weight:700;letter-spacing:.16em;line-height:1.6;text-transform:uppercase}
.cd-section-heading>.cd-kicker{color:#596463;margin-bottom:12px}
.compound-depth h2{font-size:clamp(28px,3.2vw,42px);line-height:1.1;letter-spacing:-.045em;margin:0 0 15px;font-weight:750}
.cd-section-heading p{color:var(--cd-muted);font-size:16px;line-height:1.65;margin:0}
.cd-overview-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.cd-overview-card{position:relative;display:flex;flex-direction:column;background:linear-gradient(148deg,#1e292a,#101516 75%);border:1px solid #354344;border-radius:18px;padding:28px;color:#f7faf6;min-height:390px;overflow:hidden}
.cd-overview-card:before{content:'';position:absolute;width:220px;height:220px;right:-125px;top:35px;border-radius:50%;border:1px solid #46543b;box-shadow:0 0 0 22px #9bc50e05,0 0 0 45px #9bc50e04;pointer-events:none}
.cd-card-top>.cd-kicker{color:#b6c4bd;position:relative}
.cd-diagram{display:block;width:156px;height:104px;color:var(--cd-lime);margin:15px 0 15px;opacity:.9}
.compound-depth .cd-overview-card h3{color:#f7faf6;font-size:24px;letter-spacing:-.035em;line-height:1.16;margin:0 0 16px;max-width:280px;font-weight:700;position:relative}
.cd-overview-card p{color:#c5d0cc;font-size:14px;line-height:1.75;margin:0 0 20px;position:relative}
.compound-depth a.cd-source{color:#4d6252;display:inline-flex;gap:8px;font-size:12px;font-weight:550;line-height:1.6;text-decoration:underline;text-underline-offset:4px;text-decoration-color:#96a59a;word-break:normal}
.compound-depth .cd-overview-card a.cd-source{margin-top:auto;color:#c9dfad;text-decoration-color:#637548;font-size:11px;position:relative;align-self:flex-start}
.cd-takeaway{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:24px 0 0}
.cd-takeaway p{font-size:15px;line-height:1.65;max-width:620px;margin:0;color:#48514e}
.compound-depth a.cd-button{display:inline-flex;align-items:center;justify-content:space-between;gap:25px;background:var(--cd-lime);color:#19210b;padding:15px 21px;border:1px solid var(--cd-lime);border-radius:8px;font-size:12px;line-height:1.4;font-weight:750;text-decoration:none;white-space:nowrap}
.compound-depth a.cd-button:hover{background:#c9ff15;box-shadow:0 3px 12px #19251012}
.compound-depth a:focus-visible,.compound-depth summary:focus-visible,.cd-table-scroll:focus-visible{outline:3px solid #739000;outline-offset:5px}
.cd-depth,.cd-history{margin-top:80px}
.cd-concept{background:#e4e9e4;border:1px solid #d0d9d1;border-radius:16px;margin:0 0 23px;padding:20px 30px 19px}
.cd-concept-flow{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:20px;max-width:760px;margin:auto}
.cd-concept-flow>div{text-align:center}
.cd-concept-flow .cd-diagram{width:130px;max-width:100%;height:90px;color:#405b2b;margin:0 auto 7px}
.cd-concept-flow strong{display:block;font-size:13px;font-weight:650;line-height:1.5}
.cd-flow-arrow{font-size:26px;color:#647b5a}
.cd-concept figcaption{font-size:11px;color:#576353;text-align:center;border-top:1px solid #cbd4ca;margin-top:22px;padding-top:13px;line-height:1.6}
.cd-accordions{border-top:1px solid var(--cd-border)}
.cd-accordions details{border-bottom:1px solid var(--cd-border);background:none}
.cd-accordions summary{display:flex;justify-content:space-between;align-items:center;cursor:pointer;gap:20px;list-style:none;padding:23px 4px;font-size:19px;font-weight:650;line-height:1.4;letter-spacing:-.02em}
.cd-accordions summary::-webkit-details-marker{display:none}
.cd-accordions summary small{display:block;color:#687572;font-size:10px;text-transform:uppercase;letter-spacing:.12em;font-weight:600;margin-bottom:7px}
.cd-accordions summary b{font-size:25px;font-weight:350;width:28px;text-align:center;color:#647d38;flex-shrink:0}
.cd-accordions details[open] summary b{transform:rotate(45deg)}
.cd-detail-body{padding:0 40px 26px 4px;max-width:900px}
.cd-detail-body p{font-size:15px;color:#52605b;line-height:1.8;margin:0 0 12px}
.cd-video{display:grid;grid-template-columns:minmax(180px,.7fr) minmax(0,1.3fr);align-items:center;gap:46px;background:#121a1b;color:white;border-radius:20px;margin-top:72px;padding:26px 40px 26px 26px;overflow:hidden}
.cd-video-art{display:block;position:relative;border-radius:13px;overflow:hidden;max-height:345px;background:#080c0d}
.cd-video-art img{display:block;width:100%;max-height:345px;object-fit:contain;transition:transform .25s}
.cd-video-art:hover img{transform:scale(1.02)}
.cd-video-symbol{position:absolute;bottom:15px;right:15px;width:45px;height:45px;background:var(--cd-lime);color:#142007;border-radius:50%;display:grid;place-items:center;font-size:17px;border:4px solid #111a1b}
.cd-video .cd-kicker{color:#b4cd8c;margin-bottom:16px}
.cd-video h2{color:#f8faf5}
.cd-video p{font-size:15px;line-height:1.8;color:#b6c5c0;max-width:460px;margin:0 0 25px}
.cd-video-status{font-size:10px;color:#99aaa3;display:block;margin-top:16px;line-height:1.6;letter-spacing:.03em}
.cd-timeline{list-style:none;margin:35px 0 45px;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px}
.cd-timeline li{display:flex;flex-direction:column;border-top:2px solid #c9d6bf;padding-top:20px}
.cd-year{font-size:40px;font-weight:350;color:#708258;line-height:1;margin-bottom:22px;letter-spacing:-.06em}
.compound-depth .cd-timeline h3,.compound-depth .cd-research-questions h3{font-size:19px;line-height:1.35;margin:0 0 13px;letter-spacing:-.025em;font-weight:700}
.cd-timeline p,.cd-research-questions p{font-size:14px;line-height:1.8;color:#52605b;margin:0 0 15px}
.cd-comparison{border:1px solid var(--cd-border);border-radius:16px;padding:27px;background:#ffffff9c}
.compound-depth .cd-comparison h3{font-size:22px;letter-spacing:-.025em;margin:0 0 23px;line-height:1.3}
.cd-table-scroll{overflow:auto}
.cd-comparison table{border-collapse:collapse;width:100%;font-size:13px;line-height:1.8;min-width:530px;text-align:left}
.cd-comparison th,.cd-comparison td{padding:16px 20px;vertical-align:top;border-bottom:1px solid #dfe5dc;white-space:normal}
.cd-comparison thead th{background:#eaf0e5;font-size:12px;line-height:1.6;color:#304520;font-weight:700;width:39%}
.cd-comparison thead th:first-child{width:22%;color:#57644e}
.cd-comparison tbody th{font-weight:650;color:#333f37;font-size:12px}
.cd-comparison tbody td{color:#5d6861}
.cd-comparison tbody tr:last-child>*{border:0}
.cd-comparison-sources{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:20px}
.cd-context{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:35px;padding:31px 0;margin-top:38px;border-block:1px solid var(--cd-border)}
.cd-context .cd-kicker{color:#69765e;margin-bottom:12px}
.compound-depth .cd-context h3{font-size:19px;letter-spacing:-.03em;margin:0 0 12px;line-height:1.3}
.cd-context p{font-size:13px;line-height:1.8;color:#5c6961;margin:0 0 14px}
.cd-reviewed{font-size:11px;color:#647063;margin-top:20px;line-height:1.7}
.cd-research-questions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px;border-top:1px solid var(--cd-border);padding-top:25px}
.cd-research-questions .cd-kicker{color:#6b7b57;margin-bottom:13px}
.cd-testing{display:flex;justify-content:space-between;align-items:center;gap:30px;background:#e4eade;border:1px solid #d0dac7;border-radius:14px;margin-top:32px;padding:27px}
.cd-testing .cd-kicker{color:#637451;margin-bottom:10px}
.compound-depth .cd-testing h3{font-size:21px;line-height:1.25;letter-spacing:-.035em;margin:0 0 10px}
.cd-testing p{font-size:13px;line-height:1.75;color:#57624f;margin:0;max-width:590px}
@media(max-width:950px){.cd-overview-card{padding:23px;min-height:405px}.compound-depth .cd-overview-card h3{font-size:22px}.cd-diagram{width:130px;height:90px}.cd-video{gap:27px;padding:23px}.cd-timeline{gap:21px}}
@media(max-width:700px){.compound-depth{margin-top:35px}.cd-section-nav{gap:8px 22px;margin-bottom:35px}.cd-section-nav a{font-size:12px}.cd-overview-grid{grid-template-columns:1fr}.cd-overview-card{min-height:0;padding:25px}.cd-card-top{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:8px}.cd-card-top .cd-diagram{width:108px;height:67px;margin:0;flex-shrink:0}.compound-depth .cd-overview-card h3{max-width:100%;font-size:24px}.cd-overview-card p{max-width:540px;margin-bottom:16px}.cd-takeaway{align-items:flex-start;flex-direction:column;gap:16px}.cd-depth,.cd-history{margin-top:57px}.cd-concept{padding:18px 12px}.cd-concept-flow{gap:4px}.cd-concept-flow .cd-diagram{width:86px;height:67px}.cd-concept-flow strong{font-size:10px}.cd-flow-arrow{font-size:17px}.cd-video{grid-template-columns:1fr;margin-top:50px;padding:20px;gap:24px}.cd-video-art{max-height:280px}.cd-video-art img{max-height:280px;aspect-ratio:1.5}.cd-video>div{padding:0 3px 7px}.cd-video p{margin-bottom:20px}.cd-timeline{display:block;margin:25px 0 32px}.cd-timeline li{display:grid;grid-template-columns:70px minmax(0,1fr);gap:16px;padding:25px 0 8px}.cd-year{font-size:31px;margin:0}.cd-comparison{padding:21px 15px}.cd-comparison th,.cd-comparison td{padding:13px}.cd-context{grid-template-columns:1fr;gap:28px}.cd-research-questions{grid-template-columns:1fr;gap:20px}.cd-accordions summary{font-size:17px}.cd-detail-body{padding-right:10px}}
@media(prefers-reduced-motion:reduce){.cd-video-art img{transition:none}}
@media(max-width:700px){.cd-testing{align-items:flex-start;flex-direction:column;gap:20px;padding:23px}}