/* Simple, modern stylesheet — feel free to customize */
:root{
  --bg:#0f1724;
  --card:#0b1220;
  --muted:#94a3b8;
  --accent:#2563eb;
  --surface:#0b1220;
  --radius:12px;
  --container:1100px;
  --gap:24px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  color:#e6eef8;
  background:linear-gradient(180deg,#071022 0%, #071428 100%);
  line-height:1.45;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

.container{
  max-width:var(--container);
  margin:0 auto;
  padding:40px 20px;
}

/* Header */
.site-header{
  position:sticky;
  top:0;
  background:rgba(3,7,18,0.6);
  backdrop-filter:blur(6px);
  border-bottom:1px solid rgba(255,255,255,0.03);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:inherit}
.logo{width:38px;height:38px}
.nav-list{display:flex;gap:18px;list-style:none;padding:0;margin:0}
.nav-list a{text-decoration:none;color:var(--muted);font-weight:600}
.nav-toggle{display:none;background:none;border:0;color:inherit;font-size:20px}

/* Hero */
.hero{padding:60px 0;display:grid;align-items:center}
.hero-inner{display:flex;gap:40px;align-items:center;flex-wrap:wrap}
.hero-text{flex:1 1 360px}
.hero-text h1{font-size:clamp(28px,4vw,44px);margin:0 0 12px}
.hero-text p{color:var(--muted);margin:0 0 16px}
.btn{display:inline-block;background:linear-gradient(90deg,var(--accent),#7c3aed);padding:12px 18px;border-radius:10px;color:white;text-decoration:none;font-weight:700}

/* Features */
.section{padding:56px 0}
.section.alt{background:linear-gradient(180deg, rgba(255,255,255,0.01), transparent)}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-top:18px}
.card{background:rgba(255,255,255,0.02);padding:18px;border-radius:12px;border:1px solid rgba(255,255,255,0.02)}

/* Footer */
.site-footer{padding:24px 0;color:var(--muted);border-top:1px solid rgba(255,255,255,0.03);margin-top:40px}
.footer-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap}
.small{opacity:0.8}

/* Form */
.contact-form{max-width:640px;margin-top:12px}
.form-row{margin-bottom:12px;display:flex;flex-direction:column;gap:8px}
label{font-weight:600;color:#cfe3ff}
input,textarea{padding:10px;border-radius:8px;border:1px solid rgba(255,255,255,0.04);background:rgba(255,255,255,0.02);color:inherit}
input:focus,textarea:focus{outline:2px solid rgba(37,99,235,0.12);border-color:rgba(37,99,235,0.3)}

/* Responsive */
@media (max-width:800px){
  .nav-list{display:none;flex-direction:column;background:rgba(3,7,18,0.95);position:absolute;right:20px;top:64px;padding:12px;border-radius:10px}
  .nav-toggle{display:inline-block}
  .hero-inner{flex-direction:column-reverse}
}

/* Utility */
.hidden{display:none}