/* styles.css - simple responsive layout */
:root{
  --green:#2aa34a;
  --dark:#333;
  --muted:#777;
  --max-width:1100px;
  --gap:18px;
  font-family: "Helvetica Neue", Arial, sans-serif;
}

*{box-sizing:border-box}

body{margin:0;color:var(--dark);line-height:1.5;background:#fff}
.container{max-width:var(--max-width);margin:0 auto;padding:20px}

/* Header */
.site-header{background:#fff;border-bottom:1px solid #eee;position:sticky;top:0;z-index:50}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 20px}
.brand{display:flex;gap:12px;align-items:center}
.logo{width:78px;height:auto;border-radius:6px;box-shadow:0 2px 8px rgba(0,0,0,0.06)}
.brand-text h1{margin:0;font-size:20px;letter-spacing:1px}
.brand-text .tag{margin:0;color:var(--muted);font-size:13px}

/* Navigation */
.main-nav a{margin-left:14px;text-decoration:none;color:var(--dark);font-weight:600}
.main-nav a:hover{color:var(--green)}

/* Hero */
.hero{display:flex;flex-direction:column;align-items:center;padding:10px 0 30px}
.hero-banner{width:100%;object-fit:cover;border-radius:8px;box-shadow:0 6px 18px rgba(0,0,0,0.06)}
.hero-copy{margin-top:18px;text-align:center}
.hero-copy h2{color:var(--green);margin:6px 0;font-size:24px}
.hero-copy p{max-width:900px;margin:8px auto;color:var(--muted)}

/* Sections */
.section{padding:28px 0}
.section.alt{background:#fbfbfb;border-top:1px solid #eee}
.section h3{margin-top:0;color:var(--dark)}
.lead{color:var(--muted)}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);margin-top:14px}
.card{background:#fff;padding:18px;border-radius:8px;box-shadow:0 6px 18px rgba(0,0,0,0.04)}
.card h4{margin-top:0;color:var(--green)}

/* Demos */
.demo-list{display:flex;gap:var(--gap);flex-wrap:wrap}
.demo-item{flex:1;min-width:220px;padding:14px;border-radius:8px;background:#fff;box-shadow:0 6px 18px rgba(0,0,0,0.04)}
.btn{display:inline-block;padding:10px 14px;border-radius:6px;background:var(--green);color:#fff;text-decoration:none;font-weight:700;margin-top:8px}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.contact-card{background:#fff;padding:16px;border-radius:8px;box-shadow:0 6px 18px rgba(0,0,0,0.04)}
.contact-card h4{margin-top:0;color:var(--green)}
label{display:block;margin-top:8px;font-weight:600;font-size:14px}
input,textarea{width:100%;padding:10px;border:1px solid #e6e6e6;border-radius:6px;margin-top:6px}

/* Footer */
.site-footer{border-top:1px solid #eee;padding:18px 0;margin-top:28px;color:var(--muted);font-size:14px;text-align:center}
.small{font-size:13px;color:var(--muted)}

/* Responsive */
@media (max-width:900px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .demo-list{flex-direction:column}
}
@media (max-width:600px){
  .cards{grid-template-columns:1fr}
  .header-inner{flex-direction:column;align-items:flex-start;gap:10px}
  .main-nav{display:flex;flex-wrap:wrap;gap:8px}
  .logo{width:64px}
}