:root{
  --ink:#061225;
  --muted:#44556f;
  --accent:#0b3d91;
  --accent2:#00c2ff;
  --accent3:#7c4dff;

  --bg1:#eef5ff;
  --bg2:#ffffff;

  --stroke: rgba(0,0,0,.08);
  --glass: rgba(255,255,255,.80);
  --shadow: 0 22px 80px rgba(0,0,0,.12);
  --shadow2: 0 18px 50px rgba(0,0,0,.10);
}

*{ font-family:"Cairo", system-ui, -apple-system, Segoe UI, sans-serif; }
body{
  color: var(--ink);
  background:
    radial-gradient(1100px 560px at 80% -10%, rgba(11,61,145,.28) 0%, transparent 58%),
    radial-gradient(900px 520px at 10% 10%, rgba(0,194,255,.18) 0%, transparent 55%),
    radial-gradient(900px 600px at 80% 60%, rgba(124,77,255,.14) 0%, transparent 60%),
    linear-gradient(180deg, var(--bg1), var(--bg2));
  overflow-x:hidden;
}

a{ text-decoration:none; }
.fw-black{ font-weight: 900; }

/* Top bar (Back to home only) */
.hub-nav{
  background: rgba(255,255,255,.78);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0,0,0,.06);
}
.hub-badge{
  display:inline-flex; align-items:center; gap:8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(11,61,145,.14);
  border: 1px solid rgba(11,61,145,.16);
  font-weight: 900;
}

/* Hero */
.hero-wrap{ padding: 34px 0 14px; }
.hero{
  position: relative;
  border-radius: 26px;
  border: 1px solid var(--stroke);
  background: linear-gradient(135deg, rgba(255,255,255,.92), rgba(255,255,255,.62));
  box-shadow: var(--shadow);
  overflow: hidden;
}
.hero::before{
  content:"";
  position:absolute; inset:-2px;
  background:
    radial-gradient(900px 520px at 80% 20%, rgba(11,61,145,.22), transparent 60%),
    radial-gradient(680px 420px at 20% 10%, rgba(0,194,255,.18), transparent 60%);
  opacity: .95;
}
.hero::after{
  content:"";
  position:absolute;
  width: 520px; height: 520px;
  right:-240px; top:-240px;
  border-radius: 50%;
  background: conic-gradient(from 180deg, rgba(11,61,145,.0), rgba(11,61,145,.28), rgba(0,194,255,.24), rgba(124,77,255,.22), rgba(11,61,145,.0));
  filter: blur(2px);
  animation: spin 14s linear infinite;
  opacity: .75;
}
@keyframes spin{ to { transform: rotate(360deg); } }

.hero-inner{ position: relative; z-index: 2; }

.hero-badge{
  display:inline-flex; align-items:center; gap:10px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(11,61,145,.12);
  border: 1px solid rgba(11,61,145,.14);
  font-weight: 900;
  color: var(--accent);
}
.hero h1{
  font-weight: 950;
  letter-spacing: .2px;
  line-height: 1.15;
}
.hero p{ color: var(--muted); }

/* CTA buttons */
.btn-accent{
  background: linear-gradient(135deg, var(--accent), #062b66);
  border: none;
  color:#fff !important;
  box-shadow: 0 14px 34px rgba(11,61,145,.22);
}
.btn-accent:hover{ transform: translateY(-1px); }
.btn-soft{
  background: rgba(255,255,255,.86);
  border: 1px solid var(--stroke);
  box-shadow: 0 12px 30px rgba(0,0,0,.08);
}
.btn-soft:hover{ transform: translateY(-1px); }

/* Highlight offer */
.offer{
  border-radius: 22px;
  border: 1px solid rgba(255,59,48,.18);
  background:
    radial-gradient(900px 480px at 20% 20%, rgba(255,149,0,.15), transparent 60%),
    radial-gradient(900px 500px at 80% 60%, rgba(255,59,48,.16), transparent 60%),
    rgba(255,255,255,.82);
  box-shadow: var(--shadow2);
}
.offer .off-badge{
  display:inline-flex; align-items:center; gap:10px;
  padding: 10px 14px;
  border-radius: 999px;
  font-weight: 950;
  color: #7a1b12;
  background: rgba(255,59,48,.14);
  border: 1px solid rgba(255,59,48,.18);
}
.pulse{
  width:10px;height:10px;border-radius:50%;
  background:#ff3b30;
  box-shadow: 0 0 0 0 rgba(255,59,48,.5);
  animation: pulse 1.6s infinite;
}
@keyframes pulse{
  0%{ box-shadow: 0 0 0 0 rgba(255,59,48,.55); }
  70%{ box-shadow: 0 0 0 16px rgba(255,59,48,0); }
  100%{ box-shadow: 0 0 0 0 rgba(255,59,48,0); }
}

/* Section headers */
.section-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
}
.section-title h3{
  margin:0;
  font-weight: 950;
}
.section-title .hint{
  color: var(--muted);
  font-size: .9rem;
}

/* Course cards */
.grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}
.cardx{
  grid-column: span 4;
  border-radius: 18px;
  border: 1px solid var(--stroke);
  background: var(--glass);
  box-shadow: 0 16px 48px rgba(0,0,0,.10);
  overflow: hidden;
  position: relative;
  transform: translateY(6px);
  opacity: 0;
}
.cardx.reveal{ transform: translateY(0); opacity: 1; transition: .55s ease; }

.cardx::before{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(135deg, rgba(11,61,145,.10), rgba(0,194,255,.06), rgba(124,77,255,.06));
  opacity: .75;
  pointer-events:none;
}
.cardx .top{
  height: 160px;
  position: relative;
  background: rgba(0,0,0,.02);
}
.cardx img{
  width:100%; height:100%;
  object-fit: cover;
  filter: saturate(1.08);
}
.cardx .shine{
  position:absolute; inset:0;
  background: linear-gradient(120deg, rgba(255,255,255,0) 20%, rgba(255,255,255,.45) 35%, rgba(255,255,255,0) 55%);
  transform: translateX(-120%);
  transition: .7s ease;
  opacity:.65;
}
.cardx:hover .shine{ transform: translateX(120%); }

.cardx .body{ position: relative; padding: 16px 16px 14px; }
.cardx .name{ font-weight: 950; font-size: 1.05rem; }
.cardx .desc{ color: var(--muted); font-size: .92rem; min-height: 44px; }
.badges{ display:flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.badges span{
  font-weight: 900;
  font-size: .8rem;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(11,61,145,.10);
  border: 1px solid rgba(11,61,145,.14);
  color: var(--accent);
}

.cardx .cta{
  display:flex; align-items:center; justify-content:space-between;
  gap:10px;
  margin-top: 12px;
}
.cardx .cta a{
  display:inline-flex; align-items:center; gap:8px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,.86);
  color: var(--ink);
  font-weight: 900;
}
.cardx .cta a:hover{ transform: translateY(-1px); }

/* Mobile bottom bar */
.mobile-bar{
  position: sticky;
  bottom: 10px;
  z-index: 10;
  display:none;
}
.mobile-bar .box{
  border-radius: 16px;
  padding: 10px;
  background: rgba(255,255,255,.80);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(0,0,0,.06);
  box-shadow: 0 16px 46px rgba(0,0,0,.12);
  display:flex;
  gap: 10px;
}
.mobile-bar a{
  flex:1;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius: 14px;
  padding: 12px 10px;
  font-weight: 950;
}
.mobile-bar .wa{
  background: #1DB954;
  color: #fff;
}
.mobile-bar .form{
  background: #0b3d91;
  color: #fff;
}

/* Responsive */
@media (max-width: 992px){
  .cardx{ grid-column: span 6; }
}
@media (max-width: 576px){
  .hero-wrap{ padding-top: 22px; }
  .cardx{ grid-column: span 12; }
  .mobile-bar{ display:block; }
}

/* Offcanvas */
.offcanvas{
  background: rgba(255,255,255,.86);
  backdrop-filter: blur(12px);
}
.offcanvas .navlink{
  display:flex; align-items:center; gap:10px;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(0,0,0,.06);
  background: rgba(255,255,255,.72);
  color: var(--ink);
  font-weight: 900;
  margin-bottom: 10px;
}
.offcanvas .navlink:hover{ transform: translateY(-1px); box-shadow: 0 12px 28px rgba(0,0,0,.10); }
.hub-menu-btn{
  border-radius: 999px;
  border: 1px solid rgba(0,0,0,.12);
  background: rgba(255,255,255,.72);
}

/* Filter bar */
.filterbar{
  border-radius: 18px;
  border: 1px solid rgba(0,0,0,.06);
  background: rgba(255,255,255,.78);
  backdrop-filter: blur(10px);
  box-shadow: 0 14px 44px rgba(0,0,0,.08);
}
.filterbar .form-select, .filterbar .form-control{ border-radius: 14px; }


/* === Pricing chips === */
.price-box{ display:flex; flex-wrap:wrap; gap:8px; }
.pchip{
  display:inline-flex; align-items:center; gap:8px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(0,0,0,.08);
  background: rgba(255,255,255,.80);
  color: var(--ink);
  font-weight: 900;
  font-size: .82rem;
}
.pchip.hot{
  border-color: rgba(0,0,0,.12);
  box-shadow: 0 14px 34px rgba(0,0,0,.10);
  transform: translateY(-1px);
}