.hero-section {
  position: relative;
  overflow: hidden;
  padding: 60px 0;
  color: #fff;
  min-height: 100vh;

  background: linear-gradient(135deg, #16346f 0%, #1f4b9d 100%);
}

.circle {
  position: absolute;
  border: 18px solid rgba(255, 255, 255, 0.05);
  border-radius: 50%;
}

.circle-1 {
  width: 500px;
  height: 500px;
  top: -120px;
  right: -150px;
}

.circle-2 {
  width: 450px;
  height: 450px;
  bottom: -180px;
  left: -150px;
}

.circle-3 {
  width: 250px;
  height: 250px;
  top: 50%;
  right: -80px;
}

.brand-title {
  font-weight: 700;
  letter-spacing: 3px;
}

.brand-subtitle {
  color: #cfd7e7;
}

.program-badge {
  display: inline-block;
  background: rgba(255, 193, 7, 0.15);
  color: #f0c247;
  padding: 10px 25px;
  border-radius: 30px;
  margin: 25px 0;
  font-weight: 600;
}

.main-title {
  font-size: 72px;
  font-weight: 800;
  line-height: 1.1;
}

.year-title {
  color: #f0c247;
  font-size: 60px;
  font-weight: 700;
}

.event-box {
  padding: 20px;
  text-align: center;
  background: #294a8e;
}

.left {
  border-radius: 12px 0 0 12px;
}

.right {
  border-radius: 0 10px 10px 0;
}

.active {
  background: #4a9ef2;
}

.benefit-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 25px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.icon-circle {
  width: 70px;
  height: 70px;
  background: #d4a30f;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 32px;
}

.benefit-card h5 {
  color: #f0c247;
}

.schedule-box {
  background: #d4a30f;
  color: #16346f;
  margin-top: 50px;
  border-radius: 12px;
  padding: 30px;
  text-align: center;
}

.schedule-item strong {
  font-size: 24px;
}

.participant-text {
  text-align: center;
  margin: 35px 0;
}

.btn-register {
  background: white;
  color: #16346f;
  text-decoration: none;
  padding: 18px 80px;
  border-radius: 60px;
  font-size: 32px;
  font-weight: 700;
  display: inline-block;
}

.register-note {
  color: #f0c247;
  margin-top: 10px;
  font-weight: 600;
}

footer {
  margin-top: 60px;
  text-align: center;
  color: #d0d0d0;
}

@media (max-width: 768px) {
  .main-title {
    font-size: 38px;
  }

  .year-title {
    font-size: 34px;
  }

  .left,
  .right {
    border-radius: 12px;
  }

  .event-box {
    margin-bottom: 10px;
  }

  .promo-price {
    font-size: 32px;
  }

  .btn-register {
    width: 100%;
    font-size: 22px;
    padding: 16px;
  }

  .benefit-card {
    flex-direction: column;
    text-align: center;
  }
  .cert-top {
    font-size: 36px;
  }
}

.cert-heading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;

  color: #fff;
  font-size: 34px;
  font-weight: 700;
  margin: 60px 0 30px;
  text-align: center;
}

.cert-heading::before,
.cert-heading::after {
  content: "";
  flex: 1;
  max-width: 180px;
  height: 2px;
  background: rgba(255, 255, 255, 0.3);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.cert-card {
  background: #fff;
  color: #233b69;
  border-radius: 18px;
  overflow: hidden;
  text-align: center;
  transition: 0.3s;
}

.cert-card:hover {
  transform: translateY(-8px);
}

.card-blue {
  border: 4px solid #0a4d9d;
}

.card-light {
  border: 4px solid #1b74ca;
}

.card-gold {
  border: 4px solid #e3a52b;
}

.cert-top {
  color: white;
  font-size: 46px;
  font-weight: 800;
  padding: 16px;
}

.card-blue .cert-top {
  background: #0a4d9d;
}

.card-light .cert-top {
  background: #1b74ca;
}

.card-gold .cert-top {
  background: #e3a52b;
}

.cert-content {
  padding: 24px;
}

.cert-content h4 {
  min-height: 60px;
  color: #16346f;
  margin-bottom: 15px;
}

.level-badge {
  display: inline-block;
  background: #dff0ef;
  color: #16346f;
  padding: 8px 24px;
  border-radius: 25px;
  font-weight: 600;
  margin-bottom: 20px;
}

.normal-price {
  color: #555;
  margin-bottom: 10px;
}

.promo-price {
  font-size: 52px;
  font-weight: 800;
  font-style: italic;
}

.card-blue .promo-price {
  color: #0a4d9d;
}

.card-light .promo-price {
  color: #1b74ca;
}

.card-gold .promo-price {
  color: #e3a52b;
}

.save-badge {
  display: inline-block;
  background: #f3c13d;
  color: #222;
  padding: 10px 18px;
  border-radius: 30px;
  font-weight: 700;
  margin-top: 15px;
}

.discount-banner {
  margin-top: 0;
  background: #ef2f2f;
  color: white;
  text-align: center;
  padding: 15px;
  font-size: 24px;
  font-weight: 700;
  border-radius: 0 0 12px 12px;
}

@media (max-width: 992px) {
  .cert-grid {
    grid-template-columns: 1fr;
  }

  .promo-price {
    font-size: 40px;
  }

  .discount-banner {
    font-size: 18px;
  }
}

/* tombol daftar */
.card-register-btn {
  display: block;
  width: 100%;
  margin-top: 18px;
  padding: 14px;

  background: #16346f;
  color: #fff;
  text-decoration: none;

  border-radius: 10px;

  font-weight: 700;
  font-size: 16px;

  transition: all 0.3s ease;
}

.card-register-btn:hover {
  background: #0f2552;
  transform: translateY(-2px);
}
.card-blue .card-register-btn {
  background: #0a4d9d;
}

.card-light .card-register-btn {
  background: #1b74ca;
}

.card-gold .card-register-btn {
  background: #e3a52b;
  color: #111;
}