:root{
  --purple:#6b21a8;
  --teal:#0ea5a4;
  --text:#1f1f1f;
  --muted:#555;
  --bg:#ffffff;
  --card:#f9fafb;
  --border:#eee;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;background:var(--bg);color:var(--text)}
header{background:#fff;box-shadow:0 1px 10px rgba(0,0,0,.06);padding:18px 48px;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:999}
.logo{width:230px;height:auto;display:block}
nav ul{list-style:none;display:flex;gap:24px;margin:0;padding:0}
nav a{text-decoration:none;color:#3a3a3a;font-weight:500;transition:color .2s}
nav a:hover,nav a.active{color:var(--teal)}
.hero{padding:96px 24px;text-align:center;background:linear-gradient(135deg, rgba(107,33,168,0.06), rgba(14,165,164,0.06))}
.hero h1{font-size:48px;margin:0 0 12px;color:#1b1b1b}
.hero p{max-width:900px;margin:0 auto 16px;color:var(--muted);font-size:18px}
.container{max-width:1100px;margin:0 auto;padding:0 24px}
.section{padding:64px 0;border-top:1px solid var(--border)}
.section h2{font-size:28px;margin:0 0 10px;color:var(--purple);position:relative}
.section h2::after{content:'';display:block;width:60px;height:3px;background:var(--teal);border-radius:2px;margin-top:8px}
.card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:20px;box-shadow:0 8px 24px rgba(16,24,40,0.06)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:16px}
.feature h3{margin:0 0 6px}
.cta-button{background:var(--teal);color:#fff;padding:12px 24px;border-radius:8px;text-decoration:none;font-weight:600;display:inline-block}
.cta-button:hover{background:#098c8c}
/* Footer */
.site-footer{background:var(--purple);color:#fff;padding:24px 48px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.site-footer a{color:#e9e9ff;text-decoration:none}
.site-footer a:hover{color:#bff6f4}
.footer-links{display:flex;gap:16px;align-items:center}
.social{display:flex;gap:14px;align-items:center}
.social a{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,0.12);transition:transform .15s ease, background .15s ease}
.social a:hover{transform:scale(1.06);background:rgba(14,165,164,0.3)}
.social svg{width:18px;height:18px;fill:#ffffff}
/* Forms */
form{display:flex;flex-direction:column;gap:12px}
input,textarea,select{border:1px solid var(--border);padding:12px;border-radius:8px;font-size:16px;width:100%}
.form-row{display:flex;gap:12px}
.form-row>*{flex:1}
.btn{background:linear-gradient(90deg, var(--teal), var(--purple));padding:12px 18px;border:none;border-radius:8px;color:#fff;font-weight:700;cursor:pointer}
.small{font-size:13px;color:var(--muted)}
/* Thank you modal */
#thankYouModal{display:none;position:fixed;inset:0;background:rgba(0,0,0,.55);justify-content:center;align-items:center;z-index:1200}
#thankYouModal .modal-content{background:#fff;border:1px solid var(--border);border-radius:12px;padding:24px;max-width:420px;width:92%;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.15)}
#thankYouModal h3{color:#6b21a8;margin:0 0 8px}
/* Screenshot cards */
.screens{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.screens .shot{background:#fff;border:1px solid var(--border);border-radius:12px;padding:10px;box-shadow:0 8px 24px rgba(16,24,40,0.06);text-align:center}
.screens img{width:100%;height:180px;object-fit:cover;border-radius:8px}
.caption{font-size:13px;color:#666;margin-top:6px}
/* Responsive */
@media(max-width:900px){
  .grid-3{grid-template-columns:1fr}
  .hero h1{font-size:36px}
  .screens{grid-template-columns:1fr}
}