:root{--bg:#ffffff;--zacht:#f4f6f8;--tekst:#1b2430;--grijs:#5b6675;--accent:#1f6f8b;--rand:#e3e7ec}
@media (prefers-color-scheme:dark){:root{--bg:#0f141b;--zacht:#161d26;--tekst:#e6ebf1;--grijs:#9aa6b4;--accent:#5fb3cf;--rand:#243040}}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--tekst);font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
a{color:var(--accent)}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
header{position:sticky;top:0;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--rand);z-index:10}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{font-weight:800;font-size:20px;letter-spacing:.02em;text-decoration:none;color:var(--tekst)}
nav a{margin-left:20px;text-decoration:none;color:var(--grijs);font-weight:500}
nav a:hover{color:var(--accent)}
.hero{padding:96px 0 80px;background:linear-gradient(180deg,var(--zacht),var(--bg))}
.hero h1{font-size:clamp(32px,6vw,52px);line-height:1.15;margin:0 0 18px;letter-spacing:-.02em;max-width:18ch}
.hero p{font-size:19px;color:var(--grijs);max-width:56ch;margin:0 0 30px}
.knop{display:inline-block;background:var(--accent);color:#fff;padding:12px 22px;border-radius:8px;text-decoration:none;font-weight:600}
.knop:hover{filter:brightness(1.08)}
section{padding:72px 0}
section h2{font-size:30px;margin:0 0 14px;letter-spacing:-.01em}
.lead{color:var(--grijs);max-width:62ch;margin:0 0 32px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.kaart{background:var(--zacht);border:1px solid var(--rand);border-radius:12px;padding:26px}
.kaart h3{margin:0 0 8px;font-size:19px}
.kaart p{margin:0;color:var(--grijs)}
.alt{background:var(--zacht)}
.contact{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.contact div{background:var(--bg);border:1px solid var(--rand);border-radius:12px;padding:22px}
.contact strong{display:block;margin-bottom:4px}
footer{border-top:1px solid var(--rand);padding:28px 0;color:var(--grijs);font-size:15px}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
@media (max-width:600px){nav a{margin-left:12px;font-size:15px}.hero{padding:64px 0 56px}section{padding:56px 0}}