:root{--fg:#1b1f23;--muted:#6a737d;--bg:#fff;--accent:hsl(195,58%,38%);--line:#e3e6ea}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
color:var(--fg);background:var(--bg)}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.9rem 1.25rem;
border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:.5rem;font-weight:600;color:var(--fg)}
nav a{margin-left:1rem;color:var(--muted)}
nav a:hover{color:var(--fg)}
main{max-width:52rem;margin:0 auto;padding:1.5rem 1.25rem 3rem}
h1{font-size:1.8rem;line-height:1.2;margin:1.2rem 0 .6rem}
h2{font-size:1.25rem;margin:1.8rem 0 .5rem}
h3{font-size:1rem;margin:0 0 .35rem}
p{margin:.6rem 0}
.muted{color:var(--muted);font-size:.9rem}
ul.cards{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:1rem;
padding:0;margin:1.2rem 0}
ul.cards li{border:1px solid var(--line);border-radius:8px;padding:.9rem 1rem}
ol.notes{padding-left:1.2rem}
table.plans{border-collapse:collapse;width:100%;margin:1rem 0;font-size:.95rem}
table.plans th,table.plans td{border-bottom:1px solid var(--line);padding:.45rem .6rem;text-align:left}
table.plans th{color:var(--muted);font-weight:600}
dl dt{font-weight:600;margin-top:.7rem}
dl dd{margin:.15rem 0 0}
footer{border-top:1px solid var(--line);padding:1.2rem 1.25rem;color:var(--muted);font-size:.9rem}
@media (max-width:38rem){.bar{flex-direction:column;align-items:flex-start}nav a{margin:0 1rem 0 0}}