:root{
  --bg:#3C3C3C;
  --white:#FFFFFF;
  --orange:#FF8C00;
  --blue:#00AEEF;
  --muted:#EDEDED;
  --card-bg:#FFFFFF; /* solid card background to avoid transparency */
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  background:var(--bg);
  color:var(--muted);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.5;
}
.container{max-width:1100px;margin:0 auto;padding:24px}
.site-header{position:sticky;top:0;z-index:30;background:var(--bg)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--white)}
.logo img{width:44px;height:44px}
.logo .brand{font-weight:700;font-size:18px;color:var(--white)}
.nav a{color:var(--muted);text-decoration:none;margin-left:18px;font-weight:600}
.nav a:hover{color:var(--blue)}
.header-actions{display:flex;align-items:center;gap:12px}
.user-status{color:var(--white);font-weight:600}

/* HERO */
.hero{padding:48px 0}
.hero-inner{display:flex;gap:32px;align-items:center}
.hero-content{flex:1}
.hero h1{font-size:32px;margin:0 0 12px;color:var(--white)}
.subtitle{color:var(--white);margin:0 0 18px}
.hero-actions{display:flex;gap:12px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:10px;border:none;cursor:pointer;font-weight:700;text-decoration:none}
.btn-primary{background:var(--orange);color:var(--white);box-shadow:0 8px 24px rgba(255,140,0,0.16)}
.btn-ghost{background:#2f2f2f;border:1px solid #444;color:var(--white)}
.btn-secondary{background:#2f2f2f;color:var(--white);border:1px solid #444}
.hero-card{width:420px;background:var(--white);padding:22px;border-radius:14px;box-shadow:0 8px 26px rgba(0,0,0,0.18);}
.stats{display:grid;grid-template-columns:1fr;gap:12px}
.stats h3{margin:0;color:#222;font-size:16px}
.stats p{margin:4px 0 0;color:#444;font-size:13px}

/* FEATURES */
.features{padding:40px 0}
.features h2{color:var(--white);margin:0 0 6px}
.features .lead{color:var(--white);margin-bottom:20px}
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:var(--white);color:#222;padding:18px;border-radius:12px;box-shadow:0 12px 30px rgba(0,0,0,0.35)}
.card h3{margin:0 0 8px}
.card p{margin:0;color:#444}

/* ABOUT */
.about{padding:32px 0}
.about h2{color:var(--white);margin-bottom:10px}
.about p{color:rgba(255,255,255,0.9)}

/* CONTACT */
.contact{padding:36px 0}
.contact h2{color:var(--white)}
.contact-form{max-width:720px;margin-top:12px}
.form-row{display:flex;flex-direction:column;margin-bottom:12px}
.form-row label{color:var(--white);margin-bottom:6px;font-weight:600}
input,textarea{padding:12px;border-radius:10px;border:1px solid rgba(0,0,0,0.08);background:var(--white);color:#222;font-size:14px}
.form-actions{display:flex;gap:10px;align-items:center;margin-top:8px}
.form-status{color:var(--blue);margin-top:10px}

/* Modal */
.modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;z-index:60}
.modal[aria-hidden="false"]{display:flex}
.modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,0.6)}
.modal-panel{position:relative;background:var(--white);border-radius:12px;padding:22px;max-width:420px;width:94%;box-shadow:0 20px 60px rgba(0,0,0,0.12);color:#222}
.modal-panel h3{color:#222;margin-top:0}
.modal-panel .muted{color:rgba(0,0,0,0.6);margin-bottom:12px}
.modal-panel label{display:block;margin-top:8px;color:rgba(0,0,0,0.8)}
.modal-panel input{width:100%;margin-top:6px}
.modal-close{position:absolute;right:10px;top:8px;background:transparent;border:none;color:#666;font-size:20px;cursor:pointer}
.help{font-size:12px;color:rgba(0,0,0,0.6);margin-top:10px}

/* FOOTER */
.site-footer{border-top:1px solid #2f2f2f;padding:18px 0;margin-top:40px}
.footer-inner{display:flex;justify-content:space-between;align-items:center}
.footer-inner p{margin:0;color:#ccc}
.footer-nav a{color:#ddd;margin-left:12px;text-decoration:none}
.footer-nav a:hover{color:var(--blue)}
.footer-nav a:hover{color:var(--blue)}

/* Responsive */
@media (max-width:900px){
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .hero-inner{flex-direction:column}
  .hero-card{width:100%}
}
@media (max-width:560px){
  .container{padding:16px}
  .nav{display:none}
  .features-grid{grid-template-columns:1fr}
  .hero h1{font-size:24px}
  .header-inner{padding:8px 0}
  .logo img{width:38px;height:38px}
}