:root{
  --navy:#1c2733;
  --accent:#c0392b;
  --light:#f4f6f8;
  --text:#1c2733;
}
*{margin:0;padding:0;box-sizing:border-box;font-family:'Segoe UI',Arial,sans-serif;}
body{color:var(--text);background:#fff;}

header{
  background:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:18px 40px;
  border-bottom:1px solid #eee;
}
.brand{display:flex;align-items:center;gap:18px;}
.cross-icon{width:48px;height:48px;flex-shrink:0;}
.brand-text h1{font-size:24px;font-weight:800;color:var(--navy);}
.brand-text p{font-size:14px;color:#52606d;line-height:1.3;}
nav ul{display:flex;gap:30px;list-style:none;align-items:center;}
nav a{color:var(--navy);text-decoration:none;font-size:16px;font-weight:600;}
nav a:hover{color:var(--accent);}
.er-btn{
  background:var(--accent);
  color:#fff;
  padding:10px 22px;
  border-radius:4px;
  font-weight:700;
  text-decoration:none;
  font-size:14px;
}

.page-hero{
  background:linear-gradient(135deg,#1c2733 0%,#3a4858 60%,#54657a 100%);
  color:#fff;
  padding:70px 40px;
}
.page-hero h1{font-size:42px;font-weight:800;letter-spacing:1px;}
.page-hero p{margin-top:14px;font-size:17px;color:#dfe5ea;max-width:700px;}

section{padding:60px 40px;max-width:1000px;margin:0 auto;}
section h2{font-size:28px;margin-bottom:16px;color:var(--navy);}
section h3{font-size:20px;margin:24px 0 8px;color:var(--accent);}
section p{font-size:16px;line-height:1.8;color:#3c4a59;max-width:800px;margin-bottom:14px;}
section ul, section ol{margin-left:20px;margin-bottom:14px;color:#3c4a59;font-size:16px;line-height:1.8;}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:30px;margin-top:30px;}
.card{background:var(--light);border-radius:8px;padding:28px;border-left:4px solid var(--accent);}
.card h3{margin-top:0;color:var(--navy);margin-bottom:10px;font-size:20px;}
.card p{font-size:15px;color:#52606d;}
a.card{display:block;text-decoration:none;transition:transform .15s ease, box-shadow .15s ease;}
a.card:hover{transform:translateY(-3px);box-shadow:0 6px 18px rgba(28,39,51,0.12);}
a.card .arrow{display:inline-block;margin-top:14px;color:var(--accent);font-weight:700;font-size:14px;}
.back-link{display:inline-block;margin-bottom:20px;color:var(--accent);text-decoration:none;font-weight:600;font-size:14px;}
.back-link:hover{text-decoration:underline;}
footer{
  background:var(--navy);
  color:#aab4be;
  text-align:center;
  padding:30px;
  font-size:14px;
}