/* Indwel explanatory architecture depth—bounded public drill-downs. */
:root{--depth-ink:#171814;--depth-paper:#f2efe7;--depth-mineral:#262722;--depth-soft:#e8e4da;--depth-line:rgba(23,24,20,.18);--depth-muted:rgba(23,24,20,.62);--depth-max:1220px;--depth-pad:clamp(22px,4vw,58px)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body.depth-page{margin:0;background:var(--depth-paper);color:var(--depth-ink);font-family:"Geist",system-ui,sans-serif}.depth-page a{color:inherit}.depth-skip{position:absolute;left:-9999px}.depth-skip:focus{left:18px;top:18px;z-index:100;background:#fff;padding:10px 14px}.depth-rail{width:min(calc(100% - 2*var(--depth-pad)),var(--depth-max));margin-inline:auto}.depth-head{background:#11130f;color:#f6f2e8;border-bottom:1px solid rgba(255,255,255,.12)}.depth-head__inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:28px}.depth-brand img{display:block;width:112px;height:auto}.depth-nav{display:flex;align-items:center;gap:22px;font-size:13px}.depth-nav a{text-decoration:none;opacity:.82}.depth-nav a:hover{opacity:1}.depth-nav .depth-signin{padding:9px 13px;border:1px solid rgba(255,255,255,.4);border-radius:2px}.depth-hero{background:#11130f;color:#f6f2e8;padding:clamp(80px,10vw,144px) 0 clamp(72px,9vw,126px)}.depth-hero__grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(280px,.75fr);gap:clamp(48px,7vw,100px);align-items:end}.depth-kicker{margin:0 0 18px;font-size:12px;text-transform:uppercase;letter-spacing:.11em;font-weight:650;opacity:.65}.depth-hero h1{margin:0;max-width:930px;font-size:clamp(52px,6.4vw,92px);line-height:.94;letter-spacing:-.055em;font-weight:510;text-wrap:balance}.depth-hero__lede{max-width:760px;margin:30px 0 0;font-size:clamp(18px,2vw,24px);line-height:1.48;color:rgba(246,242,232,.78)}.depth-hero__aside{border-top:1px solid rgba(255,255,255,.32);padding-top:18px}.depth-hero__aside strong{display:block;font-size:22px;line-height:1.22;font-weight:560}.depth-hero__aside p{margin:12px 0 0;color:rgba(246,242,232,.68);line-height:1.55}.depth-section{padding:clamp(74px,9vw,126px) 0;border-bottom:1px solid var(--depth-line)}.depth-section--mineral{background:var(--depth-mineral);color:#f6f2e8}.depth-section--soft{background:var(--depth-soft)}.depth-split{display:grid;grid-template-columns:minmax(320px,.9fr) minmax(0,1.1fr);gap:clamp(40px,6vw,88px)}.depth-section h2{margin:0;font-size:clamp(38px,5vw,70px);line-height:1;letter-spacing:-.045em;font-weight:520;text-wrap:balance}.depth-split h2{font-size:clamp(34px,3.7vw,52px)}.depth-copy>p:first-child{margin-top:0}.depth-copy p{font-size:18px;line-height:1.62;color:var(--depth-muted)}.depth-section--mineral .depth-copy p{color:rgba(246,242,232,.72)}.depth-copy strong{color:var(--depth-ink)}.depth-section--mineral .depth-copy strong{color:#fff}.depth-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:44px}.depth-card{padding:26px;border:1px solid var(--depth-line);background:rgba(255,255,255,.28)}.depth-section--mineral .depth-card{border-color:rgba(255,255,255,.18);background:rgba(255,255,255,.035)}.depth-card small{display:block;margin-bottom:18px;font-size:11px;text-transform:uppercase;letter-spacing:.1em;opacity:.55}.depth-card strong{display:block;font-size:21px;line-height:1.24;font-weight:590}.depth-card p{margin:12px 0 0;font-size:15px;line-height:1.55;opacity:.72}.depth-flow{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:8px;margin-top:44px}.depth-flow span{min-height:88px;display:flex;align-items:flex-end;padding:14px;border-top:2px solid currentColor;font-size:13px;font-weight:600}.depth-callout{margin-top:44px;padding:24px 0 0;border-top:1px solid currentColor;font-size:clamp(23px,3vw,38px);line-height:1.15;letter-spacing:-.025em}.depth-case{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.depth-case article{padding:28px;border:1px solid var(--depth-line)}.depth-case small{font-size:11px;text-transform:uppercase;letter-spacing:.1em;opacity:.55}.depth-case h3{margin:16px 0 8px;font-size:26px;line-height:1.18}.depth-case p{margin:0;color:var(--depth-muted);line-height:1.56}.depth-paths{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:38px}.depth-paths a{min-height:180px;display:flex;flex-direction:column;text-decoration:none;padding:24px;border:1px solid var(--depth-line);transition:transform .16s ease,background .16s ease}.depth-paths a:hover{transform:translateY(-2px);background:#fff}.depth-paths span{font-size:11px;text-transform:uppercase;letter-spacing:.1em;opacity:.55}.depth-paths strong{margin-top:18px;font-size:22px}.depth-paths p{margin:10px 0 0;color:var(--depth-muted);line-height:1.5}.depth-paths i{margin-top:auto;font-style:normal;font-size:24px}.depth-cta{background:#11130f;color:#f6f2e8;padding:78px 0}.depth-cta__inner{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:36px;align-items:end}.depth-cta h2{margin:0;font-size:clamp(38px,5vw,70px);line-height:1;letter-spacing:-.045em;font-weight:520}.depth-cta p{max-width:720px;margin:20px 0 0;color:rgba(246,242,232,.72);font-size:17px;line-height:1.58}.depth-actions{display:flex;flex-direction:column;gap:10px;min-width:250px}.depth-button{display:flex;justify-content:space-between;gap:16px;padding:14px 16px;border:1px solid rgba(255,255,255,.45);text-decoration:none}.depth-button--primary{background:#f6f2e8;color:#11130f;border-color:#f6f2e8}.depth-foot{background:#0c0e0b;color:#f6f2e8;border-top:1px solid rgba(255,255,255,.1);padding:34px 0}.depth-foot__inner{display:flex;justify-content:space-between;gap:30px;align-items:center}.depth-foot nav{display:flex;flex-wrap:wrap;gap:18px}.depth-foot a{text-decoration:none;font-size:13px;opacity:.75}.depth-paper-link{display:inline-flex;margin-top:20px;gap:8px;align-items:center;font-size:13px;font-weight:600;text-decoration:none;border-bottom:1px solid currentColor;padding-bottom:3px}.depth-keep{white-space:nowrap}
@media(max-width:860px){.depth-nav{display:none}.depth-hero__grid,.depth-split,.depth-cta__inner{grid-template-columns:1fr}.depth-grid,.depth-paths{grid-template-columns:1fr}.depth-flow{grid-template-columns:1fr 1fr}.depth-case{grid-template-columns:1fr}.depth-hero__aside{max-width:620px}.depth-actions{min-width:0}.depth-foot__inner{align-items:flex-start;flex-direction:column}.depth-section h2,.depth-cta h2{font-size:34px}}
@media(max-width:520px){.depth-hero h1{font-size:42px}.depth-section h2,.depth-cta h2{font-size:32px}.depth-flow{grid-template-columns:1fr}.depth-section{padding:64px 0}}