:root{color-scheme:dark;--bg:#090c14;--panel:#111722;--line:#263041;--text:#eef2f8;--muted:#a9b6c9;--cyan:#6ce5ec}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--cyan);text-underline-offset:4px}a:hover{color:white}button,input{font:inherit}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--cyan);outline-offset:5px}.skip{position:fixed;top:-80px;left:20px;padding:10px 20px;background:var(--panel);z-index:20}.skip:focus{top:10px}.topbar{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;gap:24px;padding:15px max(24px,calc((100vw - 1380px)/2));background:#090c14f5;border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}.brand{display:flex;align-items:center;gap:12px;color:var(--text);font-weight:700;line-height:1.3;text-decoration:none}.brand img{border-radius:10px}.brand small{display:block;font-size:11px;color:var(--muted);font-weight:400;margin-top:4px}.topbar nav{display:flex;gap:25px}.topbar nav a{font-size:14px;text-decoration:none;color:var(--muted)}.topbar nav [aria-current]{color:var(--cyan)}.layout{display:grid;grid-template-columns:235px minmax(0,1fr);gap:65px;max-width:1380px;margin:auto;padding:0 28px}.sidebar{position:sticky;top:110px;align-self:start;padding-top:32px}.eyebrow{font-size:11px;letter-spacing:.18em;font-weight:750;color:var(--cyan);margin:0 0 18px}.sidebar nav{display:grid;gap:6px}.sidebar nav a{padding:6px 0;font-size:13px;color:var(--muted);text-decoration:none}.sidebar nav a:hover{color:var(--cyan)}.version{border-top:1px solid var(--line);margin-top:30px;padding-top:20px;font-size:12px;color:var(--muted)}main{min-width:0;max-width:980px}.hero{padding:66px 0 46px;border-bottom:1px solid var(--line)}h1{font-size:clamp(42px,5.5vw,76px);line-height:1.06;letter-spacing:-.055em;margin:0 0 26px}h1 span{color:var(--cyan)}.lede{font-size:21px;line-height:1.6;color:var(--muted);max-width:670px}.pills{display:flex;gap:8px;flex-wrap:wrap;margin:25px 0}.pills span{font-size:11px;border:1px solid var(--line);border-radius:30px;padding:5px 12px}.searchbox{margin-top:35px}.searchbox label{display:block;font-size:12px;font-weight:650;margin-bottom:8px}input[type=search]{width:100%;border:1px solid #39475e;border-radius:10px;padding:15px 18px;background:var(--panel);color:var(--text);appearance:none}input::placeholder{color:var(--muted)}#search-status:empty{display:none}#search-status,.muted{font-size:13px;color:var(--muted)}.chapter{padding:48px 0;border-bottom:1px solid var(--line)}h2{font-size:clamp(27px,3vw,39px);letter-spacing:-.035em;line-height:1.2;margin:0 0 25px}h3{font-size:20px;line-height:1.4;margin:30px 0 12px;letter-spacing:-.02em}p{margin:12px 0;color:#cad3e0}b,strong{color:var(--text)}li{padding-left:5px;margin:10px 0;color:#cad3e0}ol,ul{padding-left:23px}.steps{list-style:none;counter-reset:step;padding:0}.steps li{counter-increment:step;position:relative;padding:10px 0 10px 52px}.steps li:before{content:counter(step);position:absolute;left:0;top:10px;display:grid;place-items:center;width:32px;height:32px;background:#173039;color:var(--cyan);border-radius:9px;font-weight:700}.tip,.example{background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--cyan);padding:20px 24px;border-radius:0 12px 12px 0;margin:25px 0;color:#cad3e0}.example h3{margin-top:8px}.two{display:grid;grid-template-columns:minmax(0,1fr) 210px;gap:42px;align-items:start}.two h3:first-child{margin-top:0}.phone{margin:0;text-align:center}.phone img{display:block;max-width:100%;height:auto;border-radius:23px;border:1px solid #39475e}.phone figcaption{font-size:11px;color:var(--muted);line-height:1.6;padding:13px 0}.table-wrap{overflow-x:auto;margin:26px 0;border:1px solid var(--line);border-radius:12px}table{border-collapse:collapse;width:100%;text-align:left;font-size:14px}caption{text-align:left;padding:14px 18px;color:var(--muted);font-size:12px;background:var(--panel)}th,td{padding:16px 18px;border-top:1px solid var(--line);vertical-align:top}thead{background:var(--panel)}td{color:#cad3e0}th a{text-decoration:none}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:24px 0}.card{background:var(--panel);padding:20px;border:1px solid var(--line);border-radius:12px;border-top:3px solid}.card h4{font-size:17px;margin:15px 0 8px;line-height:1.4}.card p{font-size:13px;line-height:1.7}.badge{font-size:10px;font-weight:750;letter-spacing:.08em}.purple{border-top-color:#bf9cff}.purple .badge{color:#bf9cff}.green{border-top-color:#8ad8a6}.green .badge{color:#8ad8a6}.orange{border-top-color:#ffbb78}.orange .badge{color:#ffbb78}details{border:1px solid var(--line);border-radius:10px;padding:0 20px;margin:12px 0;background:#101620}summary{cursor:pointer;padding:17px 0;font-weight:600;font-size:15px}details p:last-child,details ul:last-child{margin-bottom:20px}.help{padding:25px 28px;margin-top:35px;background:linear-gradient(120deg,#132a30,#19182e);border-radius:14px}.help h3{margin-top:0}.button{display:inline-block;background:var(--cyan);color:#09151b;text-decoration:none;border-radius:8px;font-size:14px;font-weight:750;padding:10px 18px;margin-top:8px}.button:hover{background:white;color:#09151b}footer{display:flex;gap:24px;flex-wrap:wrap;justify-content:space-between;font-size:12px;color:var(--muted);padding:35px 0 55px}#clear-search{background:none;border:0;color:var(--cyan);text-decoration:underline;cursor:pointer}[hidden]{display:none!important}@media(max-width:1050px){.layout{gap:32px;grid-template-columns:195px minmax(0,1fr)}.cards{grid-template-columns:1fr}.two{grid-template-columns:minmax(0,1fr) 165px;gap:24px}.topbar{padding:15px 24px}}@media(max-width:760px){.topbar{gap:12px;padding:13px 18px}.brand small{display:none}.brand{font-size:14px}.brand img{width:32px;height:32px}.topbar nav{gap:14px}.topbar nav a{font-size:12px}.layout{display:block;padding:0 22px}.sidebar{position:static;padding:25px 0 0}.sidebar>.eyebrow,.version{display:none}.sidebar nav{display:flex;overflow-x:auto;gap:18px;padding-bottom:12px;border-bottom:1px solid var(--line)}.sidebar nav a{white-space:nowrap}.hero{padding:40px 0 35px}.lede{font-size:18px}.chapter{padding:36px 0}.two{grid-template-columns:1fr}.phone{max-width:220px;margin:8px auto}.cards{grid-template-columns:1fr}th,td{padding:12px;font-size:12px}.topbar .brand span{max-width:105px}h1{font-size:49px}footer{gap:16px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* 0.5 primary navigation */
.topbar nav{flex-wrap:wrap}@media(max-width:760px){.topbar{flex-wrap:wrap}.topbar nav{width:100%;gap:18px}}