:root{--ink:#1f2328;--mut:#5b6572;--line:#e3e6ea;--bg:#fff;--accent:#2c5c8a}
*{box-sizing:border-box}body{margin:0;font:16px/1.65 -apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg)}
.wrap{max-width:62rem;margin:0 auto;padding:0 1.25rem}
header{border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;padding:1.1rem 0;gap:1rem;flex-wrap:wrap}
.logo{font-weight:700;letter-spacing:.2px;color:var(--ink);text-decoration:none}
nav a{color:var(--mut);text-decoration:none;margin-left:1.25rem;font-size:.95rem}
nav a:hover{color:var(--accent)}
.hero{padding:3rem 0 2rem;border-bottom:1px solid var(--line)}
h1{font-size:1.9rem;margin:0 0 .6rem}
.lead{color:var(--mut);max-width:40rem;margin:0}
.grid{display:grid;gap:1.25rem;grid-template-columns:repeat(auto-fit,minmax(16rem,1fr));padding:2rem 0}
.card{border:1px solid var(--line);border-radius:10px;padding:1.1rem 1.2rem}
.card h3{margin:.1rem 0 .4rem;font-size:1.05rem}
.card p{margin:0;color:var(--mut);font-size:.94rem}
section{padding:1.5rem 0}
h2{font-size:1.25rem;margin:1.5rem 0 .5rem}
table{border-collapse:collapse;width:100%;font-size:.95rem}
td,th{border-bottom:1px solid var(--line);padding:.55rem .4rem;text-align:left}
footer{border-top:1px solid var(--line);margin-top:2rem;padding:1.5rem 0;color:var(--mut);font-size:.9rem}
.note{background:#f7f9fb;border:1px solid var(--line);border-radius:10px;padding:1rem 1.1rem;color:var(--mut)}