:root{
  --ink:#16324A; --ink-soft:#3D5A73; --paper:#F7F9FA;
  --grid:#DCE8F0; --line:#C3D4E0; --amber:#E39B2D; --amber-dark:#C9851B; --white:#fff;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Archivo',system-ui,sans-serif;background:var(--paper);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--ink)}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}

/* header */
.site-head{background:var(--white);border-bottom:1.5px solid var(--ink)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;padding:14px 20px}
.logo{font-weight:800;font-size:1.05rem;letter-spacing:-.01em;text-decoration:none}
.logo span{color:var(--amber-dark)}
.nav a{margin-left:22px;font-size:.88rem;font-weight:500;text-decoration:none}
.nav a:hover{text-decoration:underline}
@media(max-width:640px){.nav a{margin-left:14px;font-size:.8rem}}

/* hero */
.hero{padding:52px 0 40px}
.eyebrow{font-family:'IBM Plex Mono',monospace;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:10px}
h1{font-weight:800;font-size:clamp(1.7rem,4.5vw,2.6rem);letter-spacing:-.02em;line-height:1.1}
.hero p{margin-top:12px;color:var(--ink-soft);max-width:560px}

/* cards */
.tool-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;padding:8px 0 48px}
.tool-card{background:var(--white);border:1px solid var(--line);border-radius:10px;padding:20px;text-decoration:none;display:block;transition:border-color .12s}
.tool-card:hover{border-color:var(--ink)}
.tool-card h3{font-size:1rem;margin-bottom:6px}
.tool-card p{font-size:.84rem;color:var(--ink-soft)}
.tool-card .go{display:inline-block;margin-top:12px;font-family:'IBM Plex Mono',monospace;font-size:.75rem;font-weight:600}

/* content pages */
.content{max-width:720px;padding:40px 0 64px}
.content h2{margin:28px 0 10px;font-size:1.25rem;letter-spacing:-.01em}
.content p{margin-bottom:14px}
.content ul{margin:0 0 14px 20px}
.fact-sheet{background:var(--white);border:1.5px solid var(--ink);border-radius:10px;padding:22px;margin:22px 0}
.fact-sheet .sheet-tag{font-family:'IBM Plex Mono',monospace;font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);border-bottom:1.5px solid var(--ink);padding-bottom:8px;margin-bottom:12px;display:flex;justify-content:space-between}
.fact-sheet dl{display:grid;grid-template-columns:1fr auto;gap:8px 16px;font-size:.9rem}
.fact-sheet dt{color:var(--ink-soft)}
.fact-sheet dd{font-family:'IBM Plex Mono',monospace;font-weight:500;text-align:right}
.cta-btn{display:inline-block;margin-top:8px;padding:13px 22px;background:var(--amber);color:var(--ink);font-weight:700;border-radius:8px;text-decoration:none}
.cta-btn:hover{background:var(--amber-dark)}

/* footer */
.site-foot{border-top:1.5px solid var(--ink);background:var(--white);margin-top:20px}
.site-foot .wrap{padding:22px 20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.8rem;color:var(--ink-soft)}
.site-foot a{margin-right:16px}