:root { --bg:#f5f7f2; --ink:#243028; --muted:#5d6a60; --line:#d7e0d6; --accent:#3f6d4e; --card:#fff; }
* { box-sizing:border-box; }
body { margin:0; font-family:"Trebuchet MS", "Segoe UI", sans-serif; color:var(--ink);
  background: radial-gradient(900px 400px at 80% 0%, #e4eedf, transparent), var(--bg); min-height:100vh; }
.top { display:flex; justify-content:space-between; align-items:center; padding:1rem 1.5rem; border-bottom:1px solid var(--line); background:rgba(255,255,255,.8); }
.brand { font-weight:700; }
nav a { color:var(--muted); margin-left:1rem; text-decoration:none; }
main { max-width:920px; margin:0 auto; padding:2rem 1.5rem 4rem; }
.hero h1 { font-size:clamp(1.7rem,3vw,2.4rem); }
.hero p, main>p { color:var(--muted); line-height:1.55; }
.grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:1rem; margin-top:1.5rem; }
.grid article { background:var(--card); border:1px solid var(--line); padding:1rem; }
.contact label { display:block; margin-bottom:.8rem; }
.contact input,.contact textarea { display:block; width:100%; margin-top:.3rem; padding:.5rem; border:1px solid var(--line); }
.contact button { background:var(--accent); color:#fff; border:0; padding:.55rem 1rem; cursor:pointer; }
footer { text-align:center; color:var(--muted); padding:2rem; font-size:.85rem; }