:root{
  --primary:#2563eb;
  --primary-dark:#1d4ed8;
  --secondary:#0f172a;
  --accent:#f59e0b;
  --success:#16a34a;
  --bg:#f8fafc;
  --card:#ffffff;
  --text:#0f172a;
  --muted:#64748b;
  --border:#e2e8f0;
  --radius:18px;
  --shadow:0 10px 30px rgba(15,23,42,.08);
  --container:1200px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
}

img{max-width:100%;display:block}

.container{
  width:min(100% - 32px,var(--container));
  margin-inline:auto;
}

/* Top bar */
.topbar{
  background:#0b1220;
  color:#fff;
  font-size:.92rem;
}

.topbar .container{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:10px 0;
  gap:16px;
  flex-wrap:wrap;
}

.topbar select{
  background:#111827;
  color:#fff;
  border:1px solid #1f2937;
  border-radius:10px;
  padding:8px 12px;
}

/* Header */
header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}

.nav{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:16px 0;
  gap:16px;
}

.logo{
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
  color:var(--text);
  font-weight:800;
  font-size:1.15rem;
}

.logo img{
  width:94px;
  height:45px;
}

.hero{
  padding:56px 0 24px;
}

.hero-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:40px;
  align-items:center;
}

.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:#dbeafe;
  color:#1e40af;
  padding:10px 14px;
  border-radius:999px;
  font-weight:700;
  font-size:.92rem;
}

.hero h1{
  font-size:clamp(2rem,5vw,4rem);
  line-height:1.05;
  margin:18px 0 16px;
}

.hero p{
  font-size:1.12rem;
  color:var(--muted);
  margin-bottom:24px;
}

.stats{
  display:flex;
  gap:18px;
  flex-wrap:wrap;
  margin-bottom:28px;
}

.stat{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:14px;
  padding:12px 16px;
  min-width:140px;
  box-shadow:var(--shadow);
}

.stat strong{
  display:block;
  font-size:1.1rem;
}

.cta-group{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}

.btn{
  display:inline-flex;
  justify-content:center;
  align-items:center;
  gap:10px;
  padding:16px 24px;
  border-radius:14px;
  text-decoration:none;
  font-weight:800;
  transition:.2s ease;
  min-width:220px;
}

.btn-primary{
  background:var(--primary);
  color:#fff;
}

.btn-primary:hover{
  background:var(--primary-dark);
  transform:translateY(-2px);
}

.btn-secondary{
  border:1px solid var(--border);
  color:var(--text);
  background:#fff;
}

.hero-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:24px;
  overflow:hidden;
  box-shadow:var(--shadow);
}

.hero-card img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}

.hero-card-content{
  padding:24px;
}

.hero-card ul{
  list-style:none;
  display:grid;
  gap:12px;
}

.hero-card li{
  display:flex;
  gap:10px;
  align-items:flex-start;
}

.hero-card li::before{
  content:'✔';
  color:var(--success);
  font-weight:800;
}

/* Trust */
.trust{
  padding:12px 0 48px;
}

.trust-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
}

.trust-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:16px;
  padding:18px;
  text-align:center;
  box-shadow:var(--shadow);
}

.trust-item strong{
  display:block;
  margin-top:8px;
}

/* Sections */
section{
  padding:72px 0;
}

.section-title{
  text-align:center;
  margin-bottom:42px;
}

.section-title h2{
  font-size:clamp(1.7rem,3vw,2.6rem);
  margin-bottom:10px;
}

.section-title p{
  color:var(--muted);
  max-width:760px;
  margin-inline:auto;
}

.grid-3{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}

.card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:22px;
  padding:26px;
  box-shadow:var(--shadow);
  transition:.2s ease;
}

.card:hover{
  transform:translateY(-4px);
}

.card-icon{
  width:56px;
  height:56px;
  border-radius:16px;
  background:#eff6ff;
  display:grid;
  place-items:center;
  font-size:1.5rem;
  margin-bottom:16px;
}

.card h3{
  margin-bottom:10px;
}

.program{
  display:grid;
  gap:16px;
  max-width:860px;
  margin-inline:auto;
}

.program-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:18px;
  padding:18px 22px;
  box-shadow:var(--shadow);
}

.program-item h3{
  margin-bottom:6px;
}

/* Audience */
.audience{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}

.audience .card{
  display:flex;
  gap:16px;
  align-items:flex-start;
}

/* Comparison */
.table-wrap{
  overflow:auto;
  border-radius:20px;
  box-shadow:var(--shadow);
}

table{
  width:100%;
  border-collapse:collapse;
  background:#fff;
}

th,td{
  padding:18px;
  border-bottom:1px solid var(--border);
  text-align:left;
}

th{
  background:#eff6ff;
  color:#1e3a8a;
}

/* Testimonials */
.testimonials{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}

.testimonial{
  background:#fff;
  border:1px solid var(--border);
  border-radius:22px;
  padding:26px;
  box-shadow:var(--shadow);
}

.stars{
  color:var(--accent);
  margin-bottom:12px;
  font-size:1.1rem;
}

.author{
  margin-top:18px;
  font-weight:700;
}

/* FAQ */
.faq{
  max-width:860px;
  margin-inline:auto;
  display:grid;
  gap:14px;
}

.faq-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:18px;
  overflow:hidden;
  box-shadow:var(--shadow);
}

.faq-question{
  width:100%;
  background:none;
  border:none;
  text-align:left;
  padding:20px 22px;
  font-size:1rem;
  font-weight:700;
  cursor:pointer;
  display:flex;
  justify-content:space-between;
  align-items:center;
}

.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
  padding:0 22px;
}

.faq-answer p{
  padding-bottom:22px;
  color:var(--muted);
}

.faq-item.active .faq-answer{
  max-height:260px;
}

/* CTA final */
.cta-final{
  background:linear-gradient(135deg,#0f172a,#1e293b);
  color:#fff;
  border-radius:28px;
  padding:56px 36px;
  text-align:center;
  box-shadow:var(--shadow);
}

.cta-final h2{
  font-size:clamp(1.8rem,3vw,3rem);
  margin-bottom:14px;
}

.cta-final p{
  max-width:720px;
  margin:0 auto 24px;
  color:#cbd5e1;
}

/* Related */
.related{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}

.course-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:.2s ease;
}

.course-card:hover{
  transform:translateY(-4px);
}

.course-card img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}

.course-card .content{
  padding:18px;
}

.course-card a{
  color:var(--primary);
  text-decoration:none;
  font-weight:700;
}

/* Footer */
footer{
  margin-top:72px;
  background:#0b1220;
  color:#cbd5e1;
}

.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr;
  gap:32px;
  padding:56px 0;
}

footer h4{
  color:#fff;
  margin-bottom:14px;
}

footer a{
  color:#cbd5e1;
  text-decoration:none;
}

footer ul{
  list-style:none;
  display:grid;
  gap:10px;
}

.copy{
  border-top:1px solid #1f2937;
  padding:18px 0;
  text-align:center;
  font-size:.92rem;
}

/* Sticky mobile CTA */
.mobile-cta{
  position:fixed;
  left:0;
  right:0;
  bottom:0;
  background:#fff;
  border-top:1px solid var(--border);
  padding:12px 16px;
  display:none;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  z-index:1200;
  box-shadow:0 -8px 24px rgba(15,23,42,.12);
}

.mobile-cta .price{
  font-weight:800;
}

.mobile-cta .btn{
  min-width:auto;
  padding:14px 18px;
}

/* Responsive */
@media (max-width:1024px){
  .hero-grid,
  .audience,
  .footer-grid{
    grid-template-columns:1fr;
  }

  .grid-3,
  .testimonials{
    grid-template-columns:repeat(2,1fr);
  }

  .related{
    grid-template-columns:repeat(2,1fr);
  }
}

@media (max-width:680px){
  .hero{
    padding-top:32px;
  }

  .grid-3,
  .testimonials,
  .related,
  .trust-grid{
    grid-template-columns:1fr;
  }

  .cta-group{
    flex-direction:column;
  }

  .btn{
    width:100%;
  }

  .mobile-cta{
    display:flex;
  }

  body{
    padding-bottom:88px;
  }

  .topbar .container{
    justify-content:center;
  }
}