:root{--ink:#111827;--muted:#4b5563;--line:#e5e7eb;--bg:#ffffff;--soft:#f6f7fb;--brand:#4f46e5;--brand-d:#3730a3;--ok:#16a34a;--max:1120px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.btn{display:inline-block;padding:12px 22px;border-radius:8px;font-weight:600;background:var(--brand);color:#fff!important;text-decoration:none!important;transition:background .15s}
.btn:hover{background:var(--brand-d)}
.btn.ghost{background:transparent;color:var(--brand)!important;border:1.5px solid var(--brand)}
.btn.ghost:hover{background:#eef2ff}
.btn.wa{background:#25d366}.btn.wa:hover{background:#1ebe5b}
/* header */
.topbar{background:var(--ink);color:#d1d5db;font-size:14px}
.topbar .wrap{display:flex;gap:18px;justify-content:flex-end;align-items:center;min-height:36px;flex-wrap:wrap}
.topbar a{color:#fff}
header.site{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);z-index:50}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:20px}
header.site .logo img{height:40px;display:block}
nav.main ul{list-style:none;margin:0;padding:0;display:flex;gap:26px;align-items:center}
nav.main a{color:var(--ink);font-weight:500}
nav.main a:hover{color:var(--brand);text-decoration:none}
.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 10px;font-size:18px;cursor:pointer}
/* hero */
.hero{background:linear-gradient(180deg,#eef2ff 0%,#fff 100%);padding:80px 0 60px}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.eyebrow{color:var(--brand);font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:13px}
h1{font-size:44px;line-height:1.15;margin:12px 0 18px}
.lead{font-size:18px;color:var(--muted)}
.hero .actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.hero-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:0 10px 30px rgba(17,24,39,.08)}
.hero-card ul{margin:0;padding:0 0 0 20px;color:var(--muted)}
/* sections */
section{padding:72px 0}
section.alt{background:var(--soft)}
h2{font-size:32px;line-height:1.2;margin:0 0 10px}
.sub{color:var(--muted);max-width:720px;margin:0 0 36px}
.grid{display:grid;gap:22px}
.grid.c3{grid-template-columns:repeat(3,1fr)}.grid.c4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px}
.card h3{margin:0 0 8px;font-size:19px}.card p{margin:0;color:var(--muted)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;text-align:center}
.stats b{display:block;font-size:44px;color:var(--brand)}
.stats span{color:var(--muted)}
/* pricing */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.plan{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px;position:relative}
.plan.best{border:2px solid var(--brand);box-shadow:0 14px 34px rgba(79,70,229,.15)}
.plan .tag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--brand);color:#fff;font-size:12px;font-weight:700;letter-spacing:.08em;padding:5px 14px;border-radius:999px}
.plan h3{margin:0;font-size:22px}
.price{font-size:40px;font-weight:800;margin:10px 0 18px}.price small{font-size:15px;font-weight:500;color:var(--muted)}
.plan ul{list-style:none;padding:0;margin:0 0 24px}
.plan li{padding:7px 0;border-top:1px solid var(--line);color:var(--muted)}.plan li:before{content:"✓ ";color:var(--ok);font-weight:700}
.plan .btn{width:100%;text-align:center}
/* testimonial */
blockquote{margin:0;font-size:22px;line-height:1.5;max-width:820px}
blockquote footer{font-size:15px;color:var(--muted);margin-top:14px;font-weight:600}
/* faq */
.faq details{border-top:1px solid var(--line);padding:16px 0}.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font-weight:600;font-size:17px;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";font-size:22px;color:var(--brand)}
.faq details[open] summary:after{content:"–"}
.faq p{color:var(--muted);margin:12px 0 0}
/* contact */
.contact{display:grid;grid-template-columns:1.1fr .9fr;gap:40px}
form label{display:block;font-weight:600;margin:14px 0 6px}
form input,form textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:8px;font:inherit}
form textarea{min-height:150px}
.contact .info p{margin:6px 0}
/* legal */
.legal{max-width:820px}.legal h3{margin-top:36px}.legal p{color:var(--muted)}
/* footer */
footer.site{background:var(--ink);color:#9ca3af;padding:56px 0 30px}
footer.site .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
footer.site h4{color:#fff;margin:0 0 12px;font-size:15px}
footer.site ul{list-style:none;padding:0;margin:0}footer.site li{margin:6px 0}
footer.site a{color:#d1d5db}footer.site a:hover{color:#fff}
footer.site .copy{grid-column:1/-1;border-top:1px solid #1f2937;padding-top:20px;font-size:14px;margin-top:10px}
@media (max-width:900px){
 .hero .wrap,.contact,.grid.c3,.grid.c4,.plans,.stats{grid-template-columns:1fr}
 footer.site .wrap{grid-template-columns:1fr 1fr}
 h1{font-size:34px}h2{font-size:26px}
 .menu-toggle{display:block}
 nav.main{display:none;position:absolute;left:0;right:0;top:72px;background:#fff;border-bottom:1px solid var(--line)}
 nav.main.open{display:block}
 nav.main ul{flex-direction:column;align-items:stretch;gap:0;padding:10px 20px}
 nav.main li{padding:10px 0;border-top:1px solid var(--line)}
}