:root{
--bg:#06110f;
--surface:#0b1a18;
--surface2:#0f2321;
--line:#183430;
--teal:#14c3b4;
--teal-dim:#0fa599;
--cta:#f5415e;
--cta-hover:#ff5b74;
--text:#e6f2f0;
--muted:#93aaa6;
--sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
--mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
h2[id],h3[id]{scroll-margin-top:84px}
html,body{overflow-x:hidden;overscroll-behavior-x:none;margin:0;padding:0}
body{background:var(--bg);color:var(--text);font-family:var(--sans);font-size:17px;line-height:1.65;-webkit-text-size-adjust:100%}
.wrap{width:100%;max-width:1060px;margin:0 auto;padding:0 22px}
a{color:var(--teal);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:#5fe0d4}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px}
img{max-width:100%;height:auto;display:block}

.hdr{position:sticky;top:0;z-index:20;background:rgba(6,17,15,.94);border-bottom:1px solid var(--line);backdrop-filter:saturate(140%) blur(8px)}
.hdr-in{display:flex;align-items:center;justify-content:space-between;gap:18px;height:64px}
.hdr-nav{display:flex;gap:22px;margin:0 auto}
.hdr-nav a{color:var(--muted);text-decoration:none;font-size:13.5px;font-weight:500;letter-spacing:.01em;white-space:nowrap;padding:6px 0;border-bottom:1px solid transparent}
.hdr-nav a:hover{color:var(--teal);border-bottom-color:var(--teal)}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font-weight:700;letter-spacing:-.02em;font-size:17px}
.logo:hover{color:var(--text)}
.logo img{width:26px;height:26px;border-radius:6px}

.btn{display:inline-block;background:var(--cta);color:#fff;font-weight:650;font-size:15px;line-height:1;padding:13px 20px;border-radius:8px;text-decoration:none;white-space:nowrap}
.btn:hover{background:var(--cta-hover);color:#fff}
.btn-sm{padding:10px 15px;font-size:14px}

.hero{padding:26px 0 4px}
.hero-card{border:1px solid var(--line);border-radius:16px;background:var(--surface);padding:26px}
.hero-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:30px;align-items:center}
.hero-img{order:1}
.hero-txt{order:2}
.hero-img img{border-radius:12px;border:1px solid var(--line);width:100%;aspect-ratio:1/1;object-fit:cover}
h1{font-size:34px;line-height:1.15;letter-spacing:-.022em;margin:0 0 9px;font-weight:700}
.byline{font-size:13px;color:var(--muted);margin:0 0 14px;font-family:var(--mono);line-height:1.5}
.byline-under{margin:14px 0 0;font-size:12.5px;text-align:center;letter-spacing:.01em}
.byline b{color:var(--teal);font-weight:600}
.hero p{margin:0 0 12px;font-size:16.5px;line-height:1.62}
.hero .btn{margin-top:8px}

.rail{margin:34px 0 6px;border:1px solid var(--line);border-radius:14px;background:var(--surface);padding:18px 20px}
.rail-h{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.rail-row{display:grid;grid-template-columns:1fr 1fr;gap:0}
.rail-side{padding:0 16px}
.rail-side:first-child{border-right:1px solid var(--line)}
.rail-lbl{font-size:13px;color:var(--muted);margin-bottom:6px}
.rail-val{font-family:var(--mono);font-size:26px;font-weight:600;letter-spacing:-.02em}
.rail-in .rail-val{color:var(--teal)}
.rail-out .rail-val{color:var(--cta)}
.rail-bar{height:5px;border-radius:3px;margin-top:10px}
.rail-in .rail-bar{background:linear-gradient(90deg,var(--teal),rgba(20,195,180,.15))}
.rail-out .rail-bar{background:linear-gradient(90deg,rgba(245,65,94,.15),var(--cta))}
.rail-note{font-size:13px;color:var(--muted);margin-top:12px;padding:0 16px}

main{padding-bottom:10px}
h2{font-size:29px;line-height:1.22;letter-spacing:-.022em;margin:46px 0 14px;font-weight:720}
h3{font-size:21px;line-height:1.3;letter-spacing:-.012em;margin:32px 0 10px;font-weight:680}
p{margin:0 0 16px}
strong{font-weight:650}
.mono{font-family:var(--mono)}

.toc{border:1px solid var(--line);border-radius:12px;background:var(--surface);margin:30px 0 8px}
.toc summary{cursor:pointer;padding:14px 18px;font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);list-style:none}
.toc summary::-webkit-details-marker{display:none}
.toc summary::after{content:"+";float:right;font-size:15px;line-height:1}
.toc[open] summary::after{content:"\2212"}
.toc summary:hover{color:var(--teal)}
.toc ol{margin:0;padding:0 22px 16px 38px;color:var(--muted)}
.toc li{margin:7px 0}

figure{margin:22px 0}
figure img{border-radius:12px;border:1px solid var(--line);margin:0 auto}
figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:9px;font-family:var(--mono)}

.tw{overflow-x:auto;overscroll-behavior-x:contain;margin:22px 0;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
table{border-collapse:collapse;width:100%;font-size:14.5px}
th,td{padding:11px 13px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
thead th{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:500;background:var(--surface2);white-space:nowrap}
tbody tr:last-child td{border-bottom:none}
td:nth-child(2),td:nth-child(3),td:nth-child(5){font-family:var(--mono);font-size:13.5px}
tr.hi td{background:rgba(20,195,180,.07)}
tr.hi td:first-child{box-shadow:inset 3px 0 0 var(--teal)}
tr.hi td{color:#f4fffd}
.t2 td:nth-child(2),.t2 td:nth-child(3),.t2 td:nth-child(5){font-family:var(--sans);font-size:14.5px}
.t2 thead th{white-space:normal}

.note{font-size:14.5px;color:var(--muted);border-left:2px solid var(--line);padding-left:14px;margin:18px 0}

.faq h3{font-size:18px;margin:26px 0 8px}

.author{margin:52px 0 10px;border:1px solid var(--line);border-radius:14px;background:var(--surface);padding:24px}
.author-top{display:flex;gap:18px;align-items:center;margin-bottom:14px}
.author-top img{width:84px;height:84px;border-radius:50%;border:1px solid var(--line);flex:0 0 84px}
.author-name{font-size:19px;font-weight:700;margin:0 0 3px}
.author-role{font-size:14px;color:var(--muted);margin:0;font-family:var(--mono)}
.author p{font-size:15.5px}
.portrait{width:200px;border-radius:14px}
.checked{display:inline-block;font-family:var(--mono);font-size:9px;letter-spacing:.06em;text-transform:uppercase;color:var(--teal);border:1px solid var(--line);border-radius:4px;padding:3px 7px;margin-top:2px}

.updated{display:inline-block;font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);border:1px solid var(--line);border-radius:6px;padding:6px 11px;margin:0 0 22px}
main ul,main ol{padding-left:22px;margin:0 0 18px}
main li{margin:0 0 11px}
main li>strong:first-child{color:#f4fffd}
h1+p,h1+.updated{margin-top:0}
main h1{font-size:32px;line-height:1.18;letter-spacing:-.022em;margin:34px 0 14px;font-weight:700}
.lead{font-size:18px;line-height:1.6}
.ftr{border-top:1px solid var(--line);margin-top:54px;padding:30px 0 44px;font-size:14.5px;color:var(--muted)}
.ftr-logo{margin:0 0 16px}
.ftr-nav{display:flex;flex-wrap:wrap;gap:10px 20px;margin-bottom:16px}
.ftr p{margin:0 0 10px}

@media(max-width:1000px){.hdr-nav{display:none}}
@media(max-width:820px){
main h1{font-size:26px;margin:24px 0 12px}
.lead{font-size:16.5px}
main ul,main ol{padding-left:19px;text-align:left}

.hero{padding:18px 0 4px}
.hero-card{padding:20px 18px;border-radius:14px}
.hero-grid{grid-template-columns:1fr;gap:20px}
.hero-img{order:2}
.hero-txt{order:1}
.hero-img img{max-width:340px;margin:0 auto}
h1{font-size:27px;line-height:1.2}
.hero p{font-size:16px}
h2{font-size:24px;margin:38px 0 12px}
h3{font-size:19px}
body{font-size:16.5px}
.rail-row{grid-template-columns:1fr;gap:18px}
.rail-side:first-child{border-right:none;border-bottom:1px solid var(--line);padding-bottom:16px}
.hero-txt{text-align:center;display:flex;flex-direction:column}
.hero-txt h1{order:1}
.hero-txt p:nth-of-type(1){order:2;margin-bottom:14px}
.hero-txt .btn{order:3;margin:0 auto 16px}
.hero-txt p:nth-of-type(2){order:4;margin-bottom:0}
h2,h3{text-align:center}
.cta-row{text-align:center}
.hero .btn,.cta-row .btn{width:100%;max-width:320px;padding:14px 20px}
.author-top{flex-direction:column;align-items:center;text-align:center}
.author-role{justify-content:center}
.ftr-nav{justify-content:center}
.ftr-logo{justify-content:center}
.ftr{text-align:center}
.note{border-left:none;border-top:1px solid var(--line);padding:12px 0 0;text-align:center}
.hdr-in{height:58px}
.logo{font-size:15.5px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}