:root{
  --ink:#0f1b2d; --ink-2:#3a4658; --muted:#6b7686; --line:#e3e7ec;
  --bg:#ffffff; --bg-2:#f5f7fa; --accent:#1f5eff; --accent-ink:#ffffff;
  --max:1100px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

/* nav */
header{position:sticky;top:0;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);z-index:10}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{font-weight:800;letter-spacing:-.02em;font-size:1.15rem}
.brand span{color:var(--accent)}
.nav ul{display:flex;gap:28px;list-style:none;font-size:.95rem;color:var(--ink-2)}
.nav ul a:hover,.nav ul a.active{color:var(--ink)}
.nav ul a.active{font-weight:600}
.menu-btn{display:none;background:none;border:0;font-size:1.5rem;cursor:pointer;color:var(--ink)}

/* hero */
.hero{padding:96px 0 80px;background:linear-gradient(180deg,var(--bg-2),var(--bg))}
.eyebrow{font-size:.8rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:16px}
h1{font-size:clamp(2.2rem,5vw,3.6rem);line-height:1.08;letter-spacing:-.03em;font-weight:800;max-width:820px}
.lead{font-size:1.15rem;color:var(--ink-2);max-width:640px;margin-top:20px}
.btns{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 22px;border-radius:8px;font-weight:600;font-size:.95rem;border:1px solid var(--ink)}
.btn.primary{background:var(--ink);color:#fff}
.btn.primary:hover{background:#1c2c46}
.btn.ghost:hover{background:var(--bg-2)}

/* sections */
section{padding:80px 0}
section.alt{background:var(--bg-2)}
h2{font-size:clamp(1.6rem,3vw,2.2rem);letter-spacing:-.02em;font-weight:750;margin-bottom:12px}
.sub{color:var(--ink-2);max-width:620px;margin-bottom:40px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:28px}
.card h3{font-size:1.1rem;margin-bottom:8px;letter-spacing:-.01em}
.card p{color:var(--ink-2);font-size:.95rem}
.num{font-size:.8rem;font-weight:700;color:var(--accent);margin-bottom:14px;letter-spacing:.08em}
.two{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.list{list-style:none}
.list li{padding:14px 0;border-bottom:1px solid var(--line);color:var(--ink-2)}
.list li strong{color:var(--ink);display:block}
.proof{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.proof div{background:#fff;padding:24px}
.proof strong{display:block;font-size:.95rem;margin-bottom:6px}
.proof span{display:block;color:var(--ink-2);font-size:.92rem}

/* cta */
.cta{background:var(--ink);color:#fff;border-radius:16px;padding:56px 48px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cta h2{margin:0}
.cta p{color:#b8c2d1;margin-top:6px}
.cta .btn{background:#fff;color:var(--ink);border-color:#fff}

/* contact */
.contact-layout{display:grid;grid-template-columns:minmax(0,560px) minmax(240px,1fr);gap:48px;align-items:start}
form{display:grid;gap:14px;max-width:560px}
label{font-size:.85rem;font-weight:600}
input,textarea,select{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:8px;font:inherit;background:#fff}
textarea{min-height:140px;resize:vertical}
input:focus,textarea:focus,select:focus{outline:2px solid var(--accent);border-color:transparent}
.hidden{display:none}
.contact-note{border-left:1px solid var(--line);padding-left:28px;color:var(--ink-2)}
.contact-note h2{font-size:1.35rem;color:var(--ink)}
.contact-note p{margin-top:12px}
.contact-note a{color:var(--accent);font-weight:600}

footer{border-top:1px solid var(--line);padding:32px 0;color:var(--muted);font-size:.85rem}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}

@media (max-width:760px){
  .menu-btn{display:block}
  .nav ul{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;gap:0;border-bottom:1px solid var(--line)}
  .nav ul.open{display:flex}
  .nav ul li a{display:block;padding:14px 24px}
  .two{grid-template-columns:1fr}
  .proof{grid-template-columns:1fr}
  .contact-layout{grid-template-columns:1fr;gap:32px}
  .contact-note{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:28px}
  .hero{padding:64px 0 56px}
  section{padding:56px 0}
  .cta{padding:40px 28px}
}