/* Argent Tide — white/silver base, deep blue wordmark (metal generates water) */
:root{
  --bg:#f7f8fa;          /* silver-white base */
  --surface:#ffffff;
  --line:#dfe3e8;
  --ink:#1f2933;
  --muted:#6b7684;
  --brand:#1b3a6b;       /* deep blue */
  --brand-ink:#e8ecf1;
  --max:1040px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.2;color:var(--brand);margin:0 0 .6em;letter-spacing:-.01em}
h1{font-size:clamp(1.8rem,4vw,2.6rem)}
h2{font-size:1.5rem}
h3{font-size:1.1rem}
p{margin:0 0 1em}

.site-header,.site-footer,main>section{max-width:var(--max);margin:0 auto;padding:0 24px}
.site-header{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.1rem;color:var(--brand)}
.mark{width:28px;height:28px}
.mark circle{fill:var(--brand)}
.mark path{stroke:var(--brand-ink);stroke-width:2.5;fill:none;stroke-linecap:round}
nav a{margin-left:20px;color:var(--ink);font-size:.95rem}

.hero{padding:72px 24px 56px;border-bottom:1px solid var(--line)}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.75rem;color:var(--muted);margin-bottom:12px}
.lead{font-size:1.15rem;color:#3a4652;max-width:720px}
.btn{display:inline-block;background:var(--brand);color:#fff;padding:12px 22px;border-radius:8px;font-weight:600;margin-top:8px}
.btn:hover{text-decoration:none;filter:brightness(1.1)}

.grid-section,.prose-section,.contact-section{padding:56px 24px;border-bottom:1px solid var(--line)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:22px}
.card p{margin:0;color:#3a4652}
.prose-section p{max-width:720px}

.contact-section dl{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin:0 0 12px}
.contact-section dt{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:4px}
.contact-section dd{margin:0}
.muted{color:var(--muted)}

.site-footer{display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;align-items:center;padding:28px 24px 40px;color:var(--muted);font-size:.9rem}
.site-footer nav a{color:var(--muted);margin:0 0 0 16px}

.legal{padding:48px 24px 72px;max-width:760px}
.legal h1{font-size:2rem}
.legal h2{font-size:1.2rem;margin-top:1.8em}
.legal .updated{color:var(--muted);font-size:.9rem}
.legal ul{padding-left:1.2em}

@media (max-width:600px){
  .site-header{height:auto;flex-direction:column;align-items:flex-start;gap:8px;padding-top:16px}
  nav a{margin:0 16px 0 0}
  .hero{padding:48px 24px 40px}
}