:root{
  --primary:#0a6c5a;
  --primary-dark:#074f43;
  --secondary:#1a8870;
  --accent:#d4af37;
  --accent-dark:#b8941f;
  --bg:#f8f9f8;
  --surface:#ffffff;
  --text:#1f2933;
  --text-muted:#52606d;
  --border:#e2e6e3;
  --success:#2e7d32;
  --warning:#f59e0b;
  --error:#d32f2f;
  --radius:10px;
  --shadow:0 2px 8px rgba(10,60,50,.08);
  --shadow-hover:0 4px 16px rgba(10,60,50,.14);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Segoe UI",system-ui,-apple-system,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  font-size:17px;
}

/* Header */
.site-header{
  background:var(--surface);
  border-bottom:1px solid var(--border);
  box-shadow:var(--shadow);
  position:sticky;
  top:0;
  z-index:100;
}
.header-inner{
  max-width:900px;
  margin:0 auto;
  padding:10px 16px;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:10px;
}
.logo-link{display:inline-block}
.logo-img{height:48px;width:auto;display:block}
.main-nav{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:4px 6px;
  width:100%;
}
.main-nav a{
  color:var(--text-muted);
  text-decoration:none;
  font-size:14px;
  font-weight:500;
  padding:6px 10px;
  border-radius:6px;
  transition:background .2s,color .2s;
}
.main-nav a:hover,.main-nav a.active{
  background:var(--primary);
  color:#fff;
}

/* Main content */
.site-main{
  max-width:820px;
  margin:0 auto;
  padding:20px 16px 40px;
}
.site-main h1{
  font-size:26px;
  line-height:1.3;
  color:var(--primary-dark);
  margin:18px 0 12px;
  font-weight:700;
}
.site-main h2{
  font-size:21px;
  line-height:1.35;
  color:var(--primary-dark);
  margin:26px 0 10px;
  font-weight:600;
}
.site-main h3{
  font-size:18px;
  color:var(--secondary);
  margin:20px 0 8px;
  font-weight:600;
}
.site-main p{margin:0 0 14px}
.site-main ul,.site-main ol{margin:0 0 16px 22px}
.site-main li{margin:0 0 8px}
.site-main a{color:var(--primary);text-decoration:underline}
.site-main a:hover{color:var(--primary-dark)}
.site-main img{max-width:100%;height:auto;display:block;border-radius:var(--radius)}


/* Download button */
.download-btn{
  display:inline-block;
  background:#000;
  color:#ffff00;
  text-decoration:none;
  font-weight:700;
  font-size:18px;
  padding:14px 30px;
  border-radius:50px;
  text-align:center;
  box-shadow:0 3px 12px rgba(0,0,0,.3);
  transition:transform .15s,box-shadow .15s;
  margin:6px 0;
}

.download-btn:hover{
  transform:translateY(-2px);
  box-shadow:0 5px 18px rgba(0,0,0,.4);
  background:#000;
  color:#ffff00;
}

.download-block{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:20px;
  text-align:center;
  box-shadow:var(--shadow);
  margin:18px 0 24px;
}

.download-block .download-btn{
  font-size:20px;
  padding:16px 40px;
}

.download-block .small-note{
  font-size:13px;
  color:var(--text-muted);
  margin-top:10px;
}


/* Info table */
.info-table{
  width:100%;
  border-collapse:collapse;
  background:var(--surface);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  margin:18px 0;
  font-size:15px;
}
.info-table th,.info-table td{
  padding:10px 14px;
  border-bottom:1px solid var(--border);
  text-align:left;
}
.info-table th{
  background:var(--primary);
  color:#fff;
  font-weight:600;
  width:40%;
}
.info-table tr:last-child td{border-bottom:none}

/* Hero image */
.hero-image{
  width:100%;
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  margin:0 0 18px;
}

/* FAQ */
.faq-item{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  margin:10px 0;
  overflow:hidden;
}
.faq-question{
  width:100%;
  text-align:left;
  background:none;
  border:none;
  padding:14px 16px;
  font-size:16px;
  font-weight:600;
  color:var(--primary-dark);
  cursor:pointer;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:10px;
}
.faq-question .icon{
  font-size:20px;color:var(--secondary);flex-shrink:0;
  transition:transform .25s;
}
.faq-item.open .faq-question .icon{transform:rotate(45deg)}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
  padding:0 16px;
}
.faq-item.open .faq-answer{max-height:400px;padding-bottom:14px}
.faq-answer p{font-size:15px;color:var(--text-muted)}

/* Tip card */
.tip-card{
  background:#eef7f4;
  border-left:4px solid var(--primary);
  padding:14px 16px;
  border-radius:6px;
  margin:16px 0;
}
.tip-card strong{color:var(--primary-dark)}

/* Feature grid */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  gap:14px;
  margin:18px 0;
}
.feature-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:16px;
  box-shadow:var(--shadow);
}
.feature-card h3{margin-top:0;font-size:16px}
.feature-card p{font-size:14px;margin-bottom:0;color:var(--text-muted)}

/* Conclusion box */
.conclusion{
  background:var(--surface);
  border:1px solid var(--border);
  border-top:4px solid var(--accent);
  border-radius:var(--radius);
  padding:18px 20px;
  margin:26px 0;
  box-shadow:var(--shadow);
}
.conclusion h2{margin-top:0}

/* Breadcrumb */
.breadcrumb{
  font-size:13px;color:var(--text-muted);
  margin:6px 0 0;
}
.breadcrumb a{color:var(--text-muted);text-decoration:none}
.breadcrumb a:hover{color:var(--primary)}

/* Contact form */
.contact-form{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:20px;
  box-shadow:var(--shadow);
  margin:18px 0;
}
.contact-form label{
  display:block;font-weight:600;font-size:15px;margin:12px 0 5px;
}
.contact-form input,.contact-form textarea{
  width:100%;padding:10px 12px;font-size:16px;
  border:1px solid var(--border);border-radius:6px;
  font-family:inherit;
}
.contact-form input:focus,.contact-form textarea:focus{
  outline:none;border-color:var(--primary);
}
.contact-form button{
  background:var(--primary);color:#fff;border:none;
  padding:12px 28px;font-size:16px;font-weight:600;
  border-radius:6px;cursor:pointer;margin-top:16px;
  transition:background .2s;
}
.contact-form button:hover{background:var(--primary-dark)}
.form-note{
  margin-top:10px;font-size:14px;color:var(--success);
  font-weight:600;
}

/* Footer */
.site-footer{
  background:var(--primary-dark);
  color:#cfe6df;
  margin-top:40px;
}
.footer-inner{
  max-width:900px;margin:0 auto;
  padding:30px 16px 20px;
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:24px;
}
.footer-col h3{
  color:#fff;font-size:17px;margin:0 0 12px;font-weight:600;
}
.footer-col p{font-size:14px;color:#a8c9c0}
.footer-col ul{list-style:none}
.footer-col li{margin:0 0 8px}
.footer-col a{color:#cfe6df;text-decoration:none;font-size:14px}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-logo{margin-bottom:10px;height:40px;width:auto}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:14px 16px;text-align:center;
  font-size:13px;color:#8fb0a8;
}

/* Desktop adjustments */
@media (min-width:768px){
  .header-inner{
    flex-direction:row;
    justify-content:space-between;
    align-items:center;
  }
  .main-nav{width:auto}
  .site-main{padding:30px 20px 50px}
  .site-main h1{font-size:32px}
  .site-main h2{font-size:24px}
}