body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #f4f8fb;
  color: #123;
}

.main-header {
  background: linear-gradient(110deg, #293899 50%, #70b8f3 100%);
  color: #fff;
  text-align: center;
  position: relative;
  box-shadow: 0 2px 12px #0002;
  padding-bottom: 22px;
}
.hero-img {
  width: 100%;
  max-height: 300px;
  object-fit: cover;
  display: block;
}
.header-content {
  position: relative;
  z-index: 2;
  margin-top: -1px;
  background: rgba(45,110,205,0.24);
  padding: 22px;
  border-radius: 18px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.header-content h1 {
  font-size: 2.3rem;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: 1px;
}
.header-content p {
  font-size: 1.1rem;
  font-weight: 500;
}

.diploma-section, .kids-section {
  max-width: 1150px;
  margin: 40px auto 0 auto;
  padding: 0 14px;
}

.diploma-section h2, .kids-section h2 {
  color: #1b4b83;
  text-align: center;
  font-size: 2rem;
  margin-bottom: 22px;
  font-weight: 700;
}
.courses-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  justify-content: center;
}

.course-card {
  background: #fff;
  border-radius: 13px;
  box-shadow: 0 4px 16px #16468822;
  padding: 19px 16px;
  width: 245px;
  min-height: 90px;
  margin-bottom: 11px;
  text-align: center;
  transition: box-shadow .18s;
}
.course-card.highlight {
  background: #ffd966;
  color: #20304a;
  border: 1px solid #2052a1;
  box-shadow: 0 8px 24px #164ab322;
}
.course-card.highlight ul {
  margin-top: 10px; padding-left: 16px; text-align: left;
}
.course-card.highlight li {
  margin-bottom: 3px;
}

.contact-section {
  background: #fff3d6;
  margin-top: 38px;
  padding: 20px 0 28px 0;
  box-shadow: 0 2px 12px #fcbf4933;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-start;
  gap: 28px;
}
.placement-badge {
  background: linear-gradient(90deg, #f4d64e 45%, #fcbf49 90%);
  color: #165a33;
  font-size: 1.08rem;
  font-weight: 700;
  padding: 14px 22px;
  border-radius: 48px;
  box-shadow: 0 2px 18px #dbb14759;
}
.contact-box {
  background: #e7effc;
  border-radius: 12px;
  box-shadow: 0 4px 12px #16468818;
  padding: 16px 28px;
}
.contact-box h3 {
  margin: 0 0 8px 0;
  font-size: 1.19rem;
  color: #226;
  font-weight: 700;
}
.contact-box p {
  margin: 0 0 4px 0;
}

@media (max-width: 900px) {
  .contact-section { flex-direction: column; align-items: flex-start; gap: 16px;}
  .hero-img { width: 98vw; max-width: 340px;}
}
@media (max-width: 600px) {
  .courses-grid { gap: 10px;}
  .course-card { width: 98vw; max-width: 320px;}
}