:root{--brand:#14253e;--brand-2:#4e5d6e;--accent:#2969c8;--cream:#f5f7e9;--ink:#1f2937;--muted:#6b7280;--bg:#f0f0f0;--card:#fff}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.site-header{background:var(--brand);color:var(--cream)}
.bar{max-width:1000px;margin:0 auto;padding:.9rem 1.25rem;display:flex;align-items:center;gap:1rem;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:.6rem;color:var(--cream);font-weight:700;font-size:1.15rem}
.brand img{width:34px;height:34px;display:block}
nav{margin-left:auto;display:flex;gap:1.1rem;flex-wrap:wrap}
nav a{color:var(--cream);opacity:.9;font-size:.95rem}
nav a:hover{opacity:1;text-decoration:none}
main{max-width:760px;margin:0 auto;padding:2.5rem 1.25rem 1rem}
.hero{max-width:1000px;text-align:center;padding-top:3rem}
.hero img{width:96px;height:96px}
.hero h1{font-size:2.4rem;margin:.6rem 0 .2rem;color:var(--brand)}
.hero .tag{color:var(--muted);font-size:1.15rem;margin-top:0}
h1{color:var(--brand);font-size:2rem;line-height:1.2}
h2{color:var(--brand);margin-top:2.2rem}
h3{margin:.2rem 0}
.lead{font-size:1.18rem;color:#374151}
.pillars{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin:2rem 0}
.pillar{background:var(--card);border:1px solid #e5e7eb;border-radius:12px;padding:1.1rem 1.2rem}
.pillar h3{color:var(--brand)}
.pillar p{color:var(--muted);margin:.3rem 0 0}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem;margin:1.2rem 0 2rem}
.card{background:var(--card);border:1px solid #e5e7eb;border-radius:12px;padding:1.2rem 1.3rem;transition:.15s;display:block}
.card:hover{border-color:var(--accent);box-shadow:0 6px 18px rgba(20,37,62,.08);text-decoration:none;transform:translateY(-2px)}
.card h3{color:var(--brand)}
.card p{color:var(--muted);margin:.4rem 0 0}
ul.principles{padding-left:1.1rem}
ul.principles li{margin:.45rem 0}
.glossary dt{font-weight:700;color:var(--brand);margin-top:1.2rem;font-size:1.1rem}
.glossary .alt{color:var(--muted);font-weight:400;font-size:.95rem}
.glossary dd{margin:.3rem 0 0}
.note{color:var(--muted);font-size:.95rem;font-style:italic}
.back{display:inline-block;margin-top:2rem;color:var(--brand-2)}
footer{border-top:1px solid #e5e7eb;margin-top:3rem;background:#fafafa}
.foot{max-width:760px;margin:0 auto;padding:1.6rem 1.25rem;color:var(--muted);font-size:.9rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}
footer a{color:var(--brand-2)}
@media(max-width:560px){.hero h1{font-size:1.9rem}main{padding-top:1.5rem}}