:root{
  --bg:#ffffff;
  --muted:#667085;
  --accent:#0b6e4f;
  --accent-2:#0f8a61;
  --card:#f8fafb;
  --max-width:1100px;
  --radius:12px;
  --gap:20px;
  font-size:16px;
}
*{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:#0f172a;
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
.container{max-width:var(--max-width);margin:0 auto;padding:32px}
.site-header{border-bottom:1px solid #eef2f7;background:linear-gradient(180deg, rgba(255,255,255,0.9), rgba(255,255,255,0.8));position:sticky;top:0;backdrop-filter: blur(4px);z-index:30}
.header-inner{display:flex;align-items:center;justify-content:space-between}
.logo{font-weight:700;color:var(--accent);text-decoration:none;font-size:1.05rem}
.nav a{margin-left:18px;text-decoration:none;color:var(--muted)}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:10px 16px;border-radius:8px;text-decoration:none;font-weight:600}
.btn.small{padding:8px 12px;font-size:.9rem}
.muted{color:var(--accent);margin-left:14px;text-decoration:underline}

.hero{padding:56px 0}
.hero-inner{display:flex;gap:40px;align-items:center}
.hero-copy{flex:1}
.hero-copy h1{font-size:2.25rem;margin:0 0 12px}
.tagline{color:var(--muted);font-size:1.05rem;margin-bottom:18px}
.hero-preview{width:320px;flex:0 0 320px}
.preview-box{background:linear-gradient(135deg,#ffffff,#f3f7f6);border-radius:14px;padding:40px;text-align:center;font-weight:700;color:var(--accent);box-shadow:0 8px 30px rgba(15,20,40,0.06)}
.cta-row{display:flex;gap:12px;align-items:center}

.section{padding:48px 0}
.section.alt{background:#fbfdfe}
.section h2{margin-top:0}
.bullets{list-style:none;padding:0;margin:18px 0}
.bullets li{margin:10px 0;color:var(--muted)}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.card{background:var(--card);padding:18px;border-radius:12px}

.benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:18px}
.benefit{background:#fff;border:1px solid #eef4f2;padding:18px;border-radius:12px}
.benefit h4{margin:0 0 10px}

.video-list{display:flex;flex-direction:column;gap:10px}
.video{display:inline-block;padding:12px 14px;background:#fff;border-radius:10px;text-decoration:none;color:var(--accent);border:1px solid #e6f0ea}

.contact-form{max-width:640px;margin-top:18px;display:flex;flex-direction:column;gap:12px}
.contact-form label{font-size:.95rem;color:var(--muted)}
.contact-form input,.contact-form textarea{padding:10px;border-radius:8px;border:1px solid #e6eef1;font-size:1rem}
.form-row{display:flex;align-items:center;gap:12px;margin-top:6px}
.mailto{color:var(--muted);text-decoration:underline}

.site-footer{border-top:1px solid #eef2f7;padding:20px 0;margin-top:36px}
.footer-inner{display:flex;justify-content:center}

@media (max-width:900px){
  .hero-inner{flex-direction:column}
  .hero-preview{width:100%}
  .grid-2{grid-template-columns:1fr}
  .benefit-grid{grid-template-columns:1fr}
  .nav{display:none}
}

@media (max-width:480px){
  .container{padding:20px}
  .hero-copy h1{font-size:1.5rem}
}

/* small accessibility focus */
a:focus,button:focus,input:focus,textarea:focus{outline:3px solid rgba(11,110,79,0.12);outline-offset:2px}