:root{--navy:#061F46;--deep:#03152F;--blue:#0B4DB8;--bg:#F5F7FA;--border:#D9E1EC}
*{box-sizing:border-box}body{margin:0;font-family:Arial,sans-serif;background:var(--bg);color:#0A234A}
.header{height:80px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 30px}
.logo{font-size:40px;font-weight:700;color:var(--navy)}
.nav a{margin:0 10px;text-decoration:none;color:var(--navy);font-weight:600}
.hero{padding:80px;background:#EEF5FF}
.btn{background:var(--blue);color:#fff;padding:12px 18px;border-radius:8px;text-decoration:none}
.container{max-width:1300px;margin:auto;padding:30px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:24px;box-shadow:0 2px 6px rgba(0,0,0,.05)}
.footer{background:var(--navy);color:#fff;padding:30px;text-align:center}
.sidebar{position:fixed;left:0;top:0;width:250px;height:100%;background:var(--navy);padding:20px;color:#fff}
.sidebar a{display:block;color:#fff;text-decoration:none;padding:12px;border-radius:8px;margin:4px 0}
.sidebar a:hover{background:#173d82}
.main{margin-left:270px;padding:30px}
.cert{border:3px solid #d8c48a;border-radius:10px;padding:25px;text-align:center}
table{width:100%;border-collapse:collapse}td,th{padding:12px;border-bottom:1px solid var(--border)}
.progress{height:10px;background:#ddd;border-radius:20px}.bar{height:10px;background:#0B4DB8}