:root{
  --bg:#ffffff; --surface:#ffffff; --card:#ffffff; --text:#111827; --muted:#5b6475;
  --brand:#2b7bff; --brand-2:#7a42f6; --ring:rgba(43,123,255,.22);
  --border:#e7eaf2; --shadow:0 10px 28px rgba(15,23,42,.07);
  --radius:14px; --container:1200px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,Segoe UI,Helvetica,Arial,sans-serif;scroll-behavior:smooth}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}
section{padding:80px 0;border-top:1px solid var(--border)}
h1,h2,h3{margin:0 0 10px}
h1{font-size:clamp(28px,4.5vw,46px);line-height:1.08;letter-spacing:-.01em}
h2{font-size:clamp(22px,3vw,30px)}
h3{font-size:clamp(18px,2vw,22px)}
p.lead{font-size:clamp(16px,2.1vw,19px);color:#334155}
.muted{color:var(--muted)}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.pill,.tag{display:inline-block;border-radius:999px;border:1px solid var(--border);padding:6px 10px;font-size:12px;margin:6px 6px 0 0;color:#4b5563;background:#f8fafc}
ul.clean{margin:8px 0 0;padding-left:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
@media (max-width:980px){.grid-3,.grid-2{grid-template-columns:1fr}}

/* Header / Nav */
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.3px;color:var(--text)}
.brand span{display:inline-block;padding:6px 10px;border-radius:10px;background:linear-gradient(90deg,var(--brand),var(--brand-2));color:#fff}
.nav-links{display:flex;align-items:center;gap:14px}
.nav-links a{color:var(--text);opacity:.92;font-weight:600}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 16px;border-radius:12px;border:1px solid var(--border);font-weight:700;background:#fff;color:var(--text);box-shadow:0 0 0 0 transparent}
.btn:hover{border-color:var(--brand);box-shadow:0 0 0 3px var(--ring)}
.btn-primary{border-color:transparent;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 10px 26px rgba(43,123,255,.25)}
.hamburger{display:none;width:44px;height:40px;border-radius:12px}
@media (max-width:980px){
  .nav-links{display:none;position:absolute;inset:70px 0 auto 0;background:#ffffff;border-bottom:1px solid var(--border);padding:14px 20px;flex-direction:column;gap:10px}
  .nav-links.open{display:flex}
  .hamburger{display:inline-flex;align-items:center;justify-content:center}
}

/* Hero */
.hero{padding:110px 0 44px;background:
  radial-gradient(1200px 500px at 60% -10%, rgba(43,123,255,.08), transparent 60%),
  radial-gradient(800px 400px at 10% -10%, rgba(122,66,246,.07), transparent 50%)
}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center}
@media (max-width:980px){.hero-grid{grid-template-columns:1fr}}
.badge{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:#eef4ff;border:1px solid #dbe7ff;color:#1849a9;font-weight:700}

/* Footer */
.footer{padding:28px 0;border-top:1px solid var(--border);color:#64748b}
.footer-row{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}

/* Forms */
label{font-weight:600}
.input, input[type="text"], input[type="email"], input[type="tel"], select, textarea{
  width:100%;padding:12px;border-radius:12px;border:1px solid var(--border);background:#fff;color:var(--text)
}
.input:focus, input:focus, select:focus, textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--ring)}

/* Accessibility */
:focus-visible{outline:3px solid var(--ring);outline-offset:2px;border-radius:10px}