:root{
  --bg:#f5f7fc;
  --dark:#0e1b35;
  --blue:#2563eb;
  --text:#17243d;
  --muted:#66758b;
  --border:#e5eaf2;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
}
a{text-decoration:none;color:inherit}
button,input{font:inherit}
.container{width:min(1160px,92%);margin:auto}
header{
  background:#101d38;
  color:white;
  position:sticky;
  top:0;
  z-index:20;
}
.nav{
  min-height:76px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.brand{font-size:24px;font-weight:850}
.brand span{color:#79a9ff}
.links{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:19px;
}
.links a{font-size:14px;color:#dce6fa}
.links a:hover,.links a[aria-current="page"]{color:white}
.admin{
  background:#2563eb;
  padding:10px 15px;
  border-radius:10px;
  color:white!important;
}
.hero{
  background:linear-gradient(125deg,#101d38,#2458aa);
  color:white;
  text-align:center;
  padding:92px 18px;
}
.hero h1{
  font-size:clamp(32px,5vw,58px);
  line-height:1.13;
  margin:0 0 20px;
}
.hero p{
  color:#d8e5fc;
  line-height:1.8;
  max-width:680px;
  margin:0 auto 28px;
}
.btn{
  display:inline-flex;
  padding:13px 20px;
  background:white;
  color:#174b9b;
  border-radius:12px;
  font-weight:750;
}
.section{padding:65px 0}
.section h2{font-size:30px;margin:0 0 12px}
.subtitle{color:var(--muted);margin:0 0 30px;line-height:1.7}
.grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
}
.card{
  display:block;
  background:white;
  border:1px solid var(--border);
  border-radius:20px;
  padding:25px;
  box-shadow:0 8px 28px #10254a09;
  transition:transform .2s,box-shadow .2s;
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:0 14px 32px #10254a17;
}
.card .icon{font-size:36px}
.card h3{font-size:19px;margin:20px 0 10px}
.card p{color:var(--muted);font-size:14px;line-height:1.7}
.card .action{color:var(--blue);font-weight:750;font-size:14px}
.pagehead{
  background:#eaf0ff;
  padding:60px 0;
}
.pagehead h1{font-size:clamp(30px,5vw,44px);margin:0 0 14px}
.pagehead p{color:var(--muted);line-height:1.7}
.search{
  width:100%;
  max-width:520px;
  padding:16px;
  border:1px solid #d7e0ee;
  border-radius:13px;
  outline:none;
  background:white;
  margin-bottom:30px;
}
.empty{
  background:white;
  border:1px dashed #c9d4e7;
  border-radius:20px;
  padding:55px 25px;
  text-align:center;
}
.empty .icon{font-size:45px}
.empty h2{margin:20px 0 10px}
.empty p{color:var(--muted);line-height:1.7}
footer{
  background:#101d38;
  color:#c5d1e5;
  text-align:center;
  padding:30px 15px;
}
@media(max-width:900px){
  .grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .nav{align-items:flex-start;flex-direction:column;padding:18px 0}
  .links{gap:13px}
}
@media(max-width:550px){
  .grid{grid-template-columns:1fr}
  .hero{padding:70px 16px}
  .section{padding:45px 0}
  .card{padding:22px}
  .links a{font-size:13px}
}