* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

body {
  background: #f5f7fb;
  color: #1f2933;
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
}

.site-header {
  background: #ffffff;
  border-bottom: 1px solid #e0e7ff;
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
}

.logo {
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: 1px;
  color: #1d4ed8;
}

nav a {
  margin-left: 1.5rem;
  text-decoration: none;
  color: #4b5563;
  font-weight: 500;
  font-size: 0.95rem;
}

nav a:hover,
nav a.active {
  color: #1d4ed8;
}

.hero {
  background: linear-gradient(135deg, #e0ecff, #f5f7ff);
  padding: 3.5rem 0 3rem;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero h1 {
  font-size: 2rem;
  max-width: 700px;
  color: #111827;
}

.hero .tagline {
  font-size: 1.1rem;
  color: #1d4ed8;
  font-weight: 600;
}

.hero p {
  max-width: 650px;
}

.btn-primary {
  display: inline-block;
  margin-top: 1rem;
  background: #1d4ed8;
  color: #ffffff;
  padding: 0.7rem 1.6rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: #153eaf;
}

.highlights {
  padding: 2.5rem 0;
}

.cards {
  display: grid;
  gap: 1.5rem;
}

.card {
  background: #ffffff;
  border-radius: 0.75rem;
  padding: 1.5rem;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.04);
  border: 1px solid #e5e7eb;
}

.card h3 {
  margin-bottom: 0.5rem;
  color: #111827;
}

.info-strip {
  background: #eff6ff;
  padding: 1rem 0;
  border-top: 1px solid #dbeafe;
  border-bottom: 1px solid #dbeafe;
}

.info-strip p {
  font-size: 0.9rem;
}

.page {
  padding: 2.5rem 0 3rem;
}

.page h1 {
  margin-bottom: 1rem;
  color: #111827;
}

.page h2 {
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  color: #1d4ed8;
}

.page ul {
  list-style: disc;
  margin-left: 1.25rem;
}

.program-list {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.program {
  background: #ffffff;
  border-radius: 0.75rem;
  padding: 1.4rem;
  border: 1px solid #e5e7eb;
}

.contact-grid {
  display: grid;
  gap: 2rem;
  margin-top: 1.5rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  background: #ffffff;
  border-radius: 0.75rem;
  padding: 1.5rem;
  border: 1px solid #e5e7eb;
}

.contact-form input,
.contact-form textarea {
  padding: 0.55rem 0.75rem;
  border-radius: 0.5rem;
  border: 1px solid #d1d5db;
  font-size: 0.95rem;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid #1d4ed8;
  outline-offset: 1px;
}

.note {
  font-size: 0.8rem;
  color: #6b7280;
  margin-top: 0.5rem;
}

footer {
  background: #0f172a;
  color: #9ca3af;
  padding: 1.5rem 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.85rem;
}

@media (min-width: 700px) {
  .cards {
    grid-template-columns: repeat(3, 1fr);
  }

  .hero h1 {
    font-size: 2.4rem;
  }

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

  .contact-grid {
    grid-template-columns: 1.1fr 1.2fr;
  }
}