.study{padding:40px 0 24px}.study-col{max-width:720px;margin:0 auto}.study-sec{border-top:1px solid var(--line);padding:28px 0}.study-sec:first-child{border-top:0}.study-sec h2{font-family:var(--font-display);letter-spacing:-.012em;color:var(--ink);margin:0 0 16px;font-size:clamp(26px,3vw,36px);font-weight:400;line-height:1.12}.study-sec h3{font-family:var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--gold-deep);margin:26px 0 12px;font-size:12px;font-weight:400}.study-sec p,.study-sec li{color:var(--ink-2);text-wrap:pretty;font-size:17px;line-height:1.65}.study-sec p{margin:0 0 14px}.study-sec ul{flex-direction:column;gap:8px;margin:0;padding-left:20px;display:flex}.study-sec .study-lead{color:var(--ink);font-size:20px}.study-refs{grid-template-columns:1fr 1fr;gap:14px;margin-top:8px;display:grid}.study-ref{border:1px solid var(--line);background:#ffffff8c;border-radius:16px;min-width:0;padding:18px}.study-ref b{font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--gold-deep);margin-bottom:8px;font-size:12px;font-weight:400;display:block}.study-sec .study-ref p{margin:0 0 8px;font-size:15px;line-height:1.55}.study-ref p span{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);font-size:11px;display:block}.study-pairs{flex-direction:column;gap:14px;margin-top:8px;display:flex}.study-pair{border-left:3px solid var(--gold-deep);padding:2px 0 2px 16px}.study-pair strong{color:var(--ink);font-size:17px;line-height:1.4;display:block}.study-sec .study-pair p{margin:4px 0 0;font-size:15.5px}.study-signature{border:1px solid var(--gold-deep);background:#ffffffb3;border-radius:20px;margin:8px 0 20px;padding:24px 26px}.study-signature h3{margin-top:0}.study-sec .study-signature p{color:var(--ink);margin:0;font-size:19px;line-height:1.55}.study-features{grid-template-columns:1fr 1fr;gap:14px;display:grid}.study-features div{border:1px solid var(--line);border-radius:14px;min-width:0;padding:16px}.study-features b{color:var(--ink);margin-bottom:4px;display:block}.study-sec .study-features p{margin:0;font-size:15px}.study-results{border-collapse:collapse;width:100%;font-size:15px}.study-results th,.study-results td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;color:var(--ink-2);padding:10px 10px 10px 0}.study-results th{font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);font-size:11px;font-weight:400}.study-results td:nth-child(2){color:var(--ink);font-weight:700}.study-scroll{overflow-x:auto}.study-sec .study-note{color:var(--ink-3);margin-top:14px;font-size:15px}.study-updated{font-family:var(--font-mono);color:var(--ink-3);letter-spacing:.06em;margin-top:18px;font-size:12px}.study-sec .study-quote{color:var(--ink);font-size:19px;font-style:italic;line-height:1.6}.study-disclosure{border:1px dashed var(--line);color:var(--ink-2);border-radius:14px;margin:22px 0 0;padding:16px 18px;font-size:15px}.study-backlinks{flex-wrap:wrap;gap:18px;margin-top:8px;font-size:15px;display:flex}.study-backlinks a,.band-link a{color:var(--gold-deep);font-weight:700}.concept-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px;margin-top:28px;display:grid}.concept-card{border:1px solid var(--line);color:inherit;background:#fff9;border-radius:20px;min-width:0;padding:24px;text-decoration:none;display:block}.concept-card:hover{border-color:var(--gold-deep)}.concept-card h2{font-family:var(--font-display);color:var(--ink);margin:6px 0 10px;font-size:24px;font-weight:400;line-height:1.2}.concept-card p{color:var(--ink-2);margin:0 0 10px;font-size:15.5px;line-height:1.55}.concept-card .mono-note{display:block}.free-band{border:1px solid var(--line);background:#fff9;border-radius:20px;max-width:62ch;margin-top:40px;padding:22px 26px}.free-band h2{font-family:var(--font-display);color:var(--ink);margin:0 0 8px;font-size:24px;font-weight:400}.free-band p{color:var(--ink-2);margin:0 0 10px;font-size:16px;line-height:1.55}.concept-shots{grid-template-columns:minmax(0,1fr) 190px;align-items:end;gap:28px;margin:8px 0 18px;display:grid}.concept-shots .phone-shot{border-width:6px;border-radius:28px;width:100%;margin:0}.concept-shots .phone-shot img{border-radius:20px}.concept-shots .browser img{display:block}.concept-shots figcaption{font-family:var(--font-mono);color:var(--ink-4);letter-spacing:.04em;margin-top:10px;font-size:12px}.concept-shots figure{min-width:0;margin:0}.study-demo-link{margin:6px 0 0}.study-demo-link a{color:var(--gold-deep);font-weight:700}.concept-thumb{border:1px solid var(--line);aspect-ratio:16/10;object-fit:cover;object-position:top;background:#fff;border-radius:10px;width:100%;height:auto;margin:0 0 14px;display:block}@media (width<=640px){.concept-shots{grid-template-columns:1fr}.concept-shots .phone-shot{width:min(220px,70vw);margin:0 auto}.study-refs,.study-features{grid-template-columns:1fr}.study-sec p,.study-sec li{font-size:16.5px}}.cs-wide{max-width:980px;margin:0 auto}.cs-block{border-top:1px solid var(--line);padding:30px 0}.cs-block h2,.cs-sheet h2{font-family:var(--font-display);margin:0 0 14px;font-size:clamp(24px,3.4vw,32px);font-weight:400;line-height:1.2}.cs-block p,.cs-sheet p,.cs-sheet li,.cs-wants li{color:var(--ink-2);text-wrap:pretty;font-size:17px;line-height:1.65}.cs-block .cs-lead{color:var(--ink);font-size:19px}.cs-block .study-quote{color:var(--ink);font-size:18px;font-style:italic;line-height:1.6}.cs-split{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);align-items:start;gap:36px;display:grid}.cs-wants{border:1px solid var(--line);background:#fff9;border-radius:16px;padding:20px 22px}.cs-wants h3,.cs-sheet h3{font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--gold-deep);margin:18px 0 8px;font-size:12px;font-weight:400}.cs-wants h3{margin-top:0}.cs-wants ul,.cs-sheet ul{flex-direction:column;gap:6px;margin:0;padding-left:18px;display:flex}.cs-tag{font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--gold-deep);margin-bottom:6px;font-size:11px;display:block}.cs-sheet{border-top:1px solid var(--line);max-width:720px;margin:40px auto 0;padding-top:28px}.cs-sheet-grid{grid-template-columns:1fr 1fr;gap:28px;display:grid}.cs-pages{flex-direction:column;gap:8px;margin:0;display:flex}.cs-pages dt{color:var(--ink);font-size:15px;font-weight:700}.cs-pages dd{color:var(--ink-2);margin:0;font-size:14.5px;line-height:1.5}.cs-strip{border:1px solid var(--line);background:#fff9;border-radius:14px;grid-template-columns:repeat(4,minmax(0,1fr));margin:0 0 12px;display:grid;overflow:hidden}.cs-strip div{border-left:1px solid var(--line);min-width:0;padding:14px 16px}.cs-strip div:first-child{border-left:0}.cs-strip dt{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);font-size:11px}.cs-strip dd{color:var(--ink);margin:4px 0 0;font-size:16px}.cs-table-head,.cs-table-row{grid-template-columns:1fr 1fr;gap:0;display:grid}.cs-table-head span{font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);padding:0 20px 10px 0;font-size:11px}.cs-table-row{border-top:1px solid var(--line)}.cs-table-row p{margin:0;padding:16px 20px 16px 0;font-size:16.5px}.cs-table-row .cs-meant{color:var(--ink);border-left:3px solid var(--gold-deep);padding-left:18px}.cs-ledger{margin:0;padding:0;list-style:none}.cs-ledger li{border-top:1px solid var(--line);grid-template-columns:56px minmax(0,1fr) minmax(0,1.4fr);align-items:start;gap:20px;padding:22px 0;display:grid}.cs-ledger li:first-child{border-top:0}.cs-num{font-family:var(--font-display);color:var(--gold-deep);font-size:36px;line-height:1}.cs-need p{color:var(--ink);font-size:19px;line-height:1.45;font-family:var(--font-display);margin:0}.cs-built p{color:var(--ink-2);margin:0;font-size:16px;line-height:1.6}.cs-built{border-left:1px solid var(--line);padding-left:20px}.cs-shots-flush{margin-top:18px}.cs-choice{border-left:4px solid var(--gold-deep);font-family:var(--font-display);color:var(--ink);margin:6px 0 30px;padding:6px 0 6px 24px;font-size:clamp(26px,4.4vw,40px);line-height:1.2}.cs-cols{border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;margin-bottom:30px;padding:24px 0;display:grid}.cs-cols h3{font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--gold-deep);margin:0 0 8px;font-size:12px;font-weight:400}.cs-cols p{color:var(--ink-2);margin:0;font-size:16.5px;line-height:1.65}.cs-route-wrap{display:block}.cs-route-wrap.has-phone{grid-template-columns:minmax(0,1fr) 220px;align-items:start;gap:40px;display:grid}.cs-route{margin:0;padding:0 0 0 26px;list-style:none;position:relative}.cs-route:before{content:"";background:var(--line);width:2px;position:absolute;top:8px;bottom:8px;left:13px}.cs-route li{padding:0 0 30px 34px;position:relative}.cs-stop{border:2px solid var(--gold-deep);width:28px;height:28px;color:var(--gold-deep);font-family:var(--font-mono);background:#fff;border-radius:50%;place-items:center;font-size:13px;display:grid;position:absolute;top:0;left:-26px}.cs-route h3{font-family:var(--font-display);margin:0 0 6px;font-size:24px;font-weight:400;line-height:1.2}.cs-route p{color:var(--ink-2);margin:0;font-size:16.5px;line-height:1.6}.cs-route-phone{position:sticky;top:90px}.cs-route-phone .phone-shot{border-width:6px;border-radius:28px;width:100%;margin:0}.cs-route-phone .phone-shot img{border-radius:20px}.cs-cap{font-family:var(--font-mono);color:var(--ink-4);margin:10px 0 0;font-size:12px}.cs-desktop-shot{margin:8px 0 26px}.concept-card .cs-chip{font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--gold-deep);border:1px solid var(--gold-deep);border-radius:999px;margin:0 0 10px;padding:3px 10px;font-size:11px;display:inline-block}.concept-card--research{border-top:3px solid var(--gold-deep)}.concept-card--asked{border-left:3px solid var(--gold-deep)}.concept-card--decision{background:#ffffffd9;border-radius:4px 28px}.concept-card--path{border-bottom:3px dotted var(--gold-deep)}.concept-card[hidden]{display:none}.concept-filter{flex-wrap:wrap;gap:8px;margin:22px 0 0;display:flex}.concept-filter button{font:inherit;border:1px solid var(--line);color:var(--ink-2);cursor:pointer;background:#fff9;border-radius:999px;padding:6px 14px;font-size:14px}.concept-filter [aria-pressed=true]{border-color:var(--gold-deep);color:var(--ink)}@media (width<=720px){.cs-split,.cs-sheet-grid,.cs-cols{grid-template-columns:1fr;gap:20px}.cs-strip{grid-template-columns:1fr 1fr}.cs-strip div:nth-child(3){border-left:0}.cs-strip div:nth-child(n+3){border-top:1px solid var(--line)}.cs-table-head{display:none}.cs-table-row{grid-template-columns:1fr}.cs-table-row p{padding-right:0}.cs-table-row .cs-meant{margin:0 0 14px}.cs-ledger li{grid-template-columns:1fr;gap:8px}.cs-built{border-left:0;padding-left:0}.cs-route-wrap.has-phone{grid-template-columns:1fr}.cs-route-phone{width:min(220px,70vw);margin:0 auto;position:static}}
