:root{
  --primary:#004aad;
  --muted:#666;
  --bg:#f7f9fc;
  --card:#ffffff;
  --radius:12px;
  --gap:18px;
}

*{box-sizing:border-box}
body{
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  margin:0;
  background:var(--bg);
  color:#111;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

.container{max-width:1100px;margin:36px auto;padding:0 16px}

.site-header{padding:18px 0;text-align:center}
.logo{margin:0;font-size:1.6rem;color:var(--primary)}
.lead{margin:6px 0 0;color:var(--muted)}

.grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap:var(--gap);
  margin-top:24px;
}

/* school card */
.card{
  background:var(--card);
  border-radius:var(--radius);
  padding:18px;
  box-shadow:0 8px 24px rgba(12,20,40,0.06);
  display:flex;
  flex-direction:column;
  min-height:160px;
  transition:transform .15s ease, box-shadow .15s ease;
}
.card:hover{transform:translateY(-6px); box-shadow:0 18px 40px rgba(12,20,40,0.09)}
.card h3{margin:0 0 6px;font-size:1.05rem}
.card p{margin:0 0 12px;color:var(--muted);flex:1}

.card-footer{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:10px;
}
.learn-btn{
  background:transparent;
  color:var(--primary);
  border:2px solid var(--primary);
  padding:8px 12px;
  border-radius:10px;
  cursor:pointer;
  font-weight:600;
}
.learn-btn:active{transform:translateY(1px)}
.small-muted{font-size:.9rem;color:var(--muted)}

/* modal */
.modal{
  position:fixed;
  inset:0;
  display:flex;
  justify-content:center;
  align-items:flex-start;
  padding:48px 18px;
  background:rgba(6,8,15,0.45);
  z-index:1000;
}
.hidden{display:none}
.modal-panel{
  width:100%;
  max-width:920px;
  border-radius:14px;
  background:var(--card);
  padding:22px;
  box-shadow:0 30px 80px rgba(7,12,25,0.6);
  max-height:86vh;
  overflow:auto;
  position:relative;
}
.modal-close{position:absolute;right:12px;top:12px;border:none;background:none;font-size:28px;cursor:pointer;color:var(--muted)}

.modal-controls{display:flex;gap:12px;margin:10px 0 16px}
#course-search{flex:1;padding:10px;border-radius:10px;border:1px solid #e3e7ee}

.courses-list{display:grid;gap:10px}
.course-item{
  display:flex;flex-direction:column;background:linear-gradient(180deg,#fff,#fbfdff);padding:12px;border-radius:10px;border:1px solid #eef3fb;
}
.course-item h4{margin:0;font-size:1rem}
.course-meta{display:flex;gap:12px;align-items:center;margin-top:8px;font-size:.9rem;color:var(--muted)}
.apply-btn{
  margin-top:12px;
  align-self:flex-start;
  background:var(--primary);
  color:white;padding:8px 14px;border-radius:8px;border:none;cursor:pointer;font-weight:600;
  text-decoration:none;
}

/* small screens */
@media (max-width:520px){
  .modal-panel{padding:14px}
  .card{padding:14px}
}