:root{--psr-bg:#071114;--psr-panel:#0d1d21;--psr-panel2:#10272c;--psr-text:#f3fbfb;--psr-muted:#a9c0c2;--psr-teal:#39e6d0;--psr-teal2:#8af7eb;--psr-line:rgba(139,247,235,.18);--psr-shadow:0 22px 80px rgba(0,0,0,.28)}
*{box-sizing:border-box}.ps-research-page{margin:0;background:radial-gradient(circle at 75% -10%,rgba(57,230,208,.14),transparent 34rem),var(--psr-bg);color:var(--psr-text);font:16px/1.65 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;overflow-x:hidden}.ps-research-page a{color:var(--psr-teal2);text-underline-offset:3px}.psr-shell{max-width:1180px;margin:0 auto;padding:0 28px}.psr-hero{padding:76px 0 54px;border-bottom:1px solid var(--psr-line)}.psr-kicker,.psr-section-label{color:var(--psr-teal);font-size:.76rem;font-weight:800;letter-spacing:.15em;text-transform:uppercase}.psr-kicker span{color:var(--psr-muted);margin:0 6px}.psr-hero h1{font-size:clamp(3.3rem,9vw,8.2rem);line-height:.9;letter-spacing:-.075em;margin:22px 0 24px;max-width:900px}.psr-hero h1 span{color:var(--psr-teal)}.psr-subtitle{font-size:clamp(1.15rem,2vw,1.55rem);line-height:1.35;max-width:760px;color:#d9eeee;margin:0 0 32px}.psr-hero-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.psr-hero-stat{background:linear-gradient(145deg,rgba(16,39,44,.96),rgba(13,29,33,.82));border:1px solid var(--psr-line);border-radius:16px;padding:20px;min-height:142px;box-shadow:var(--psr-shadow)}.psr-hero-stat-wide{grid-column:span 2}.psr-hero-stat strong{display:block;color:var(--psr-teal);font-size:clamp(2rem,4vw,3.5rem);letter-spacing:-.055em;line-height:1.05}.psr-hero-stat span{display:block;color:var(--psr-muted);font-size:.9rem;line-height:1.35;margin-top:10px}.psr-footnote,.psr-small-note{font-size:.8rem;color:var(--psr-muted);max-width:820px;margin:16px 0 0}.psr-section{padding:76px 0;border-bottom:1px solid var(--psr-line)}.psr-section h2{font-size:clamp(2rem,4vw,3.8rem);line-height:1.04;letter-spacing:-.055em;margin:12px 0 22px;max-width:850px}.psr-section h3{line-height:1.2;margin:0 0 8px}.psr-section p{max-width:820px;color:#d5e5e6}.psr-lede{max-width:930px}.psr-lede>p:first-of-type{font-size:clamp(1.35rem,2.8vw,2rem);line-height:1.25;color:var(--psr-text);max-width:720px}.psr-callout{border:1px solid var(--psr-line);background:rgba(16,39,44,.75);border-radius:16px;padding:22px 24px;display:flex;gap:16px;flex-direction:column}.psr-callout-accent{border-color:rgba(57,230,208,.56);margin-top:28px}.psr-callout-accent strong{font-size:1.3rem;color:var(--psr-teal)}.psr-callout-accent span{color:var(--psr-muted)}.psr-stat-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.psr-stat-cards article{background:var(--psr-panel);border:1px solid var(--psr-line);border-radius:16px;padding:24px}.psr-stat-cards strong{display:block;color:var(--psr-teal);font-size:3.6rem;letter-spacing:-.06em;line-height:1}.psr-stat-cards h3{font-size:1.05rem;margin-top:20px}.psr-stat-cards p{font-size:.93rem;color:var(--psr-muted);margin-bottom:0}.psr-two-column{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}.psr-callout-example{align-items:center;justify-content:center;min-height:240px;background:linear-gradient(145deg,rgba(57,230,208,.12),rgba(13,29,33,.9))}.psr-example-label{color:var(--psr-teal);font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;font-weight:800}.psr-callout-example strong{font-size:clamp(2rem,5vw,4.5rem);letter-spacing:-.08em;white-space:nowrap}.psr-callout-example p{text-align:center;font-size:.85rem;color:var(--psr-muted);margin:0}.psr-reason-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px}.psr-reason-grid>div{background:var(--psr-panel);border:1px solid var(--psr-line);border-radius:12px;padding:17px}.psr-reason-grid b,.psr-reason-grid span{display:block}.psr-reason-grid b{color:var(--psr-teal2);font-size:.97rem}.psr-reason-grid span{color:var(--psr-muted);font-size:.87rem;line-height:1.45;margin-top:6px}.psr-chart{margin:30px 0 0;background:#fff;border-radius:15px;padding:12px;color:#172427;box-shadow:var(--psr-shadow)}.psr-chart img{display:block;width:100%;height:auto}.psr-chart figcaption{padding:12px 10px 6px;font-size:.9rem;line-height:1.45;color:#35494d}.psr-chart figcaption b{color:#172427}.psr-chart-row{align-items:start}.psr-data-note{border:1px solid var(--psr-line);border-radius:15px;background:var(--psr-panel);padding:22px;margin-top:30px}.psr-data-note h3{color:var(--psr-teal);font-size:1.35rem}.psr-data-note p{font-size:.92rem;color:var(--psr-muted)}.psr-table-wrap{overflow-x:auto;margin-top:26px;border:1px solid var(--psr-line);border-radius:12px}.psr-table-wrap table{width:100%;border-collapse:collapse;min-width:680px}.psr-table-wrap caption{text-align:left;padding:15px 16px;color:var(--psr-teal);font-weight:800}.psr-table-wrap th,.psr-table-wrap td{padding:12px 16px;text-align:left;border-top:1px solid var(--psr-line);font-size:.9rem}.psr-table-wrap th{color:var(--psr-muted);font-weight:700}.psr-example-table{border:1px solid var(--psr-line);border-radius:12px;overflow-x:auto;margin-top:26px}.psr-example-row{display:grid;grid-template-columns:2.2fr .8fr .8fr 1.2fr;min-width:680px}.psr-example-row span{padding:13px 16px;border-top:1px solid var(--psr-line);font-size:.9rem}.psr-example-head{background:var(--psr-panel2);color:var(--psr-muted);font-size:.75rem;text-transform:uppercase;letter-spacing:.08em}.psr-example-head span{border-top:0}.psr-takeaways{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.psr-takeaways>div{background:var(--psr-panel);border:1px solid var(--psr-line);border-radius:14px;padding:18px}.psr-takeaways b{display:block;color:var(--psr-teal);font-size:1.8rem}.psr-takeaways span{display:block;color:var(--psr-muted);font-size:.9rem;line-height:1.45;margin-top:8px}.psr-methodology details{border:1px solid var(--psr-line);border-radius:14px;background:var(--psr-panel);padding:20px 22px;margin-top:24px}.psr-methodology summary{cursor:pointer;color:var(--psr-teal);font-weight:800}.psr-details{padding-top:16px}.psr-details h3{color:var(--psr-teal2);margin-top:22px}.psr-details p{color:var(--psr-muted);font-size:.92rem}.psr-details code{color:var(--psr-teal2)}.psr-limitations{background:linear-gradient(120deg,rgba(57,230,208,.08),transparent 58%)}.psr-limitations ul{max-width:880px;margin:24px 0 0;padding-left:22px;color:#d5e5e6}.psr-limitations li{margin:10px 0}.psr-button{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:999px;background:var(--psr-teal);color:#06201f!important;text-decoration:none;font-weight:800;margin-top:14px}.psr-citation{padding-bottom:100px}.psr-citation p{color:var(--psr-muted);font-size:.92rem}.psr-footer{text-align:center;color:var(--psr-muted);font-size:.8rem;padding:28px}
@media(max-width:850px){.psr-shell{padding:0 18px}.psr-hero{padding-top:46px}.psr-hero-grid{grid-template-columns:repeat(2,1fr)}.psr-hero-stat-wide{grid-column:span 2}.psr-stat-cards,.psr-reason-grid,.psr-takeaways{grid-template-columns:1fr 1fr}.psr-two-column{grid-template-columns:1fr;gap:18px}.psr-section{padding:56px 0}.psr-hero h1{font-size:clamp(3rem,14vw,5.4rem)}}
@media(max-width:520px){.psr-hero-grid{grid-template-columns:1fr}.psr-hero-stat-wide{grid-column:auto}.psr-stat-cards,.psr-reason-grid,.psr-takeaways{grid-template-columns:1fr}.psr-hero-stat{min-height:0}.psr-callout-example strong{font-size:2.35rem}.psr-chart{padding:7px}.psr-chart figcaption{font-size:.82rem}.psr-subtitle{font-size:1.08rem}}