/* Lampstead study pages. Tokens copied from /site.css (app look: Inter, grouped list rows, white + indigo, dark mode). Self-contained so the pages stand alone. */
@font-face{font-family:Inter;src:url(/fonts/Inter-Regular.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:Inter;src:url(/fonts/Inter-Medium.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:Inter;src:url(/fonts/Inter-SemiBold.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:Inter;src:url(/fonts/Inter-Bold.woff2) format("woff2");font-weight:700 800;font-display:swap}
:root{--bg:#fff;--fg:#14162B;--mut:#6A6C85;--card:#fff;--line:#E4E6EF;--chev:#A3A6B8;--ac:#3B3FD8;--ac2:#3B3FD8;--tint:#EEF0FF;--press:rgba(59,63,216,.06);--bar:rgba(255,255,255,.92);--onac:#fff;color-scheme:light}
@media (prefers-color-scheme:dark){html:not([data-theme=light]){--bg:#12131f;--fg:#E8E9F5;--mut:#A9ACC8;--card:#1b1d2e;--line:#2d3050;--chev:#6d7096;--ac:#A5A8FF;--ac2:#5B5FEF;--tint:#25285a;--press:rgba(165,168,255,.08);--bar:rgba(18,19,31,.92);--onac:#fff;color-scheme:dark}}
html[data-theme=dark]{--bg:#12131f;--fg:#E8E9F5;--mut:#A9ACC8;--card:#1b1d2e;--line:#2d3050;--chev:#6d7096;--ac:#A5A8FF;--ac2:#5B5FEF;--tint:#25285a;--press:rgba(165,168,255,.08);--bar:rgba(18,19,31,.92);--onac:#fff;color-scheme:dark}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--fg)}
body{font:16px/1.6 Inter,-apple-system,BlinkMacSystemFont,system-ui,sans-serif;-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%;overflow-x:hidden}
a{color:var(--ac)}
.ls-bar{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:6px;height:calc(56px + env(safe-area-inset-top));padding:env(safe-area-inset-top) 12px 0 6px;background:var(--bar);-webkit-backdrop-filter:saturate(1.6) blur(14px);backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid var(--line)}
.ls-back{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;color:var(--fg)}
.ls-back svg{width:22px;height:22px}
.ls-brand{display:inline-flex;align-items:center;gap:10px;color:var(--fg);text-decoration:none;font-weight:700;font-size:17px;letter-spacing:-.01em;min-width:0}
.ls-brand img{width:30px;height:30px;border-radius:8px}
.ls-brand span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ls-open{margin-left:auto;flex:none;padding:8px 14px;border-radius:999px;background:var(--ac2);color:var(--onac);font:600 14px/1 Inter,system-ui,sans-serif;text-decoration:none}
.ls-main{max-width:640px;margin:0 auto;padding:18px 16px calc(44px + env(safe-area-inset-bottom));overflow-wrap:break-word}
.ls-crumb{margin:0 4px 10px;font-size:13.5px;color:var(--mut)}.ls-crumb a{color:var(--mut);text-decoration:none}.ls-crumb a:hover{color:var(--ac)}
.ls-kick{margin:0 4px 6px;font:700 12px/1.2 Inter,system-ui,sans-serif;letter-spacing:.12em;text-transform:uppercase;color:var(--ac)}
h1{margin:0 4px 8px;font-size:30px;line-height:1.15;letter-spacing:-.02em;font-weight:700}
.ls-lede{margin:0 4px 18px;color:var(--mut);font-size:17px;line-height:1.5}
.ls-hero{margin:0 0 18px;border-radius:16px;overflow:hidden;border:1px solid var(--line);background:var(--tint)}
.ls-hero img{display:block;width:100%;height:auto;aspect-ratio:16/10;object-fit:cover}
.ls-hero figcaption{padding:8px 12px;font-size:12.5px;color:var(--mut)}
.ls-hero figcaption a{color:var(--mut)}
.ls-sh{margin:26px 4px 8px;font:600 13px/1.3 Inter,system-ui,sans-serif;color:var(--mut);letter-spacing:.01em;text-transform:none}
h2.ls-h{margin:28px 4px 8px;font-size:20px;line-height:1.25;letter-spacing:-.01em;font-weight:700}
.ls-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px 16px;font-size:16px}
.ls-card>:first-child{margin-top:0}.ls-card>:last-child{margin-bottom:0}
.ls-card p{margin:0 0 10px}.ls-card ul{margin:0;padding-left:20px}.ls-card li{margin:6px 0}
.ls-verse{border-left:4px solid var(--ac);background:var(--tint);border-radius:0 16px 16px 0;padding:14px 16px;margin:0 0 6px}
.ls-verse blockquote{margin:0;font-size:18px;line-height:1.55}
.ls-verse cite{display:block;margin-top:8px;font-style:normal;font-weight:600;font-size:14px;color:var(--ac)}
.ls-tr{margin:0 4px 0;font-size:12.5px;color:var(--mut)}
.ls-list{display:block;background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;margin:0;padding:0;list-style:none}
.ls-row{position:relative;display:flex;align-items:center;gap:14px;min-height:60px;padding:12px 40px 12px 14px;color:var(--fg);text-decoration:none}
.ls-row:active{background:var(--press)}
.ls-row+.ls-row::before{content:"";position:absolute;left:66px;right:0;top:0;border-top:1px solid var(--line)}
.ls-row::after{content:"";position:absolute;right:18px;top:50%;width:8px;height:8px;margin-top:-4px;border-right:2px solid var(--chev);border-top:2px solid var(--chev);transform:rotate(45deg)}
.ls-row.static::after{display:none}.ls-row.static{padding-right:14px;align-items:flex-start}
.ls-ic{flex:none;display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;background:var(--tint);color:var(--ac);font:700 13px/1 Inter,system-ui,sans-serif}
.ls-ic svg{width:20px;height:20px}
.ls-tx{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}
.ls-tx b{font-weight:600;font-size:16px;line-height:1.3}
.ls-tx small{color:var(--mut);font-size:14px;line-height:1.4}
.ls-tx .why{color:var(--ac);font-weight:600;font-size:13.5px;line-height:1.35}
.ls-tx q{quotes:none;font-size:14.5px;line-height:1.45}
.ls-cta{margin:28px 0 0;padding:18px 16px;border-radius:16px;background:var(--tint);border:1px solid var(--line)}
.ls-cta h2{margin:0 0 6px;font-size:19px;line-height:1.25}
.ls-cta p{margin:0 0 14px;color:var(--mut);font-size:15px}
.ls-btn{display:inline-block;padding:12px 18px;border-radius:12px;background:var(--ac2);color:var(--onac);font:600 15.5px/1 Inter,system-ui,sans-serif;text-decoration:none}
.ls-btn2{display:inline-block;margin-left:14px;font:600 15px/1 Inter,system-ui,sans-serif;text-decoration:none}
.ls-src{margin:22px 4px 0;font-size:13px;color:var(--mut);line-height:1.5}
.ls-foot{margin:26px 4px 0;padding-top:16px;border-top:1px solid var(--line);color:var(--mut);font-size:13px;text-align:center;line-height:1.8}
.ls-foot a{color:var(--mut);font-weight:600;text-decoration:none;margin:0 6px}
@media (min-width:700px){h1{font-size:36px}.ls-main{padding-top:28px}}
/* ls-social */.ls-social{display:flex;justify-content:center;gap:6px;margin:18px 0 6px}.ls-social a{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;color:#6A6C85;margin:0!important;-webkit-tap-highlight-color:transparent}.ls-social a:hover,.ls-social a:focus-visible{color:#3B3FD8;background:rgba(59,63,216,.08)}.ls-social a:focus-visible{outline:2px solid #3B3FD8;outline-offset:1px}.ls-social svg{width:22px;height:22px;display:block}html[data-theme=dark] .ls-social a{color:#A9ACC8}html[data-theme=dark] .ls-social a:hover,html[data-theme=dark] .ls-social a:focus-visible{color:#A5A8FF;background:rgba(165,168,255,.12)}@media (prefers-color-scheme:dark){html:not([data-theme=light]) .ls-social a{color:#A9ACC8}html:not([data-theme=light]) .ls-social a:hover{color:#A5A8FF;background:rgba(165,168,255,.12)}}/* /ls-social */