:root{--ink:#111827;--muted:#4b5563;--line:#e5e7eb;--bg:#ffffff;--soft:#f3f4f6;--accent:#16a34a;--accent-ink:#ffffff;--radius:14px}
@media (prefers-color-scheme:dark){:root{--ink:#f3f4f6;--muted:#9ca3af;--line:#1f2937;--bg:#0b0f14;--soft:#111827}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55}
a{color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
header{border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--bg);z-index:5}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;text-decoration:none;font-size:1.1rem}
.brand img{width:32px;height:32px}
.nav ul{list-style:none;display:flex;gap:20px;margin:0;padding:0}
.nav ul a{text-decoration:none;color:var(--muted);font-weight:500}
.nav ul a:hover,.nav ul a[aria-current]{color:var(--ink)}
.hero{padding:64px 0 40px}
.hero h1{font-size:clamp(2rem,5vw,3.2rem);line-height:1.1;margin:0 0 14px;letter-spacing:-.02em}
.hero p{font-size:1.15rem;color:var(--muted);max-width:580px;margin:0 0 26px}
.btn{display:inline-block;background:var(--accent);color:var(--accent-ink);padding:12px 22px;border-radius:999px;text-decoration:none;font-weight:600;border:0;cursor:pointer;font-size:1rem}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
section{padding:40px 0}
h2{font-size:1.6rem;margin:0 0 18px;letter-spacing:-.01em}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:22px}
.card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--bg);display:flex;flex-direction:column}
.card .img{background:var(--soft);aspect-ratio:4/3;display:flex;align-items:center;justify-content:center}
.card .img img{width:100%;height:100%;object-fit:cover}
.card .body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1}
.card h3{margin:0;font-size:1.1rem}
.card ul{margin:0;padding-left:18px;color:var(--muted)}
.card .btn{margin-top:auto;align-self:flex-start}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.feature{background:var(--soft);border-radius:var(--radius);padding:20px}
.feature h3{margin:0 0 6px;font-size:1rem}
.feature p{margin:0;color:var(--muted)}
.contact-box{background:var(--soft);border-radius:var(--radius);padding:26px;max-width:640px}
.contact-box p{margin:0 0 14px}
.faq details{border-bottom:1px solid var(--line);padding:14px 0}
.faq summary{cursor:pointer;font-weight:600}
.faq p{color:var(--muted);margin:8px 0 0}
footer{border-top:1px solid var(--line);margin-top:40px;padding:26px 0;color:var(--muted);font-size:.9rem}
footer .wrap{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between}
@media (max-width:560px){.nav ul{gap:14px}.hero{padding:40px 0 24px}}