body {
  font-family: "Segoe UI", Arial, sans-serif;
  background: radial-gradient(circle at 18% 18%, #e8faf5 0%, #f3f8ff 35%, #f8fbff 100%);
  color: #0f172a;
  margin: 0;
  padding: 0;
  line-height: 1.7;
}

header {
  background: linear-gradient(125deg, #0f766e, #2563eb);
  color: #e7f6ff;
  text-align: center;
  padding: 42px 18px 34px;
  box-shadow: 0 16px 38px rgba(15, 23, 42, 0.26);
  position: relative;
  overflow: hidden;
}

header::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(900px at 78% 12%, rgba(59, 130, 246, 0.28), transparent 55%),
              radial-gradient(760px at 18% 24%, rgba(16, 185, 129, 0.24), transparent 60%);
  pointer-events: none;
}

header h1 {
  margin: 0;
  font-size: 30px;
  letter-spacing: 0.5px;
}

header p {
  margin: 12px 0 0;
  color: #eaf8ff;
  max-width: 1080px;
  margin-inline: auto;
}

nav {
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid #e5e7eb;
  text-align: center;
  padding: 12px 10px;
  z-index: 12;
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.08);
}

nav a {
  margin: 0 12px;
  text-decoration: none;
  color: #111827;
  font-weight: 600;
  display: inline-block;
  padding: 6px 10px;
  border-radius: 10px;
  transition: background 0.2s ease, transform 0.2s ease, color 0.2s ease;
}

nav a:hover {
  background: #d1f5ed;
  color: #0f766e;
  transform: translateY(-1px);
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px 36px;
}

section {
  padding: 30px 0;
}

section h2 {
  color: #0f172a;
  margin: 0 0 14px;
  letter-spacing: 0.1px;
  font-size: 26px;
}

.note {
  background: #e6f6ff;
  border: 1px solid #c8eaff;
  padding: 14px 16px;
  border-radius: 16px;
  color: #1f2937;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 16px;
}

.card {
  background: #ffffff;
  padding: 16px;
  border-radius: 16px;
  border: 1px solid #e0f2f1;
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.08);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 46px rgba(15, 23, 42, 0.14);
}

.card h3 {
  margin: 0 0 12px;
  color: #0f172a;
  font-size: 18px;
}

.card-thumb {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 10px;
}

.pill {
  display: inline-block;
  background: #e0f2f1;
  border: 1px solid #99f6e4;
  color: #0f766e;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  margin-bottom: 10px;
  font-weight: 600;
}

.small {
  font-size: 0.95rem;
  color: #1f2937;
}

.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 16px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.cta-button {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 10px;
  background: linear-gradient(135deg, #0ea5e9, #2563eb);
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.28);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.cta-button.secondary {
  background: linear-gradient(135deg, #0f766e, #14b8a6);
  box-shadow: 0 10px 24px rgba(20, 184, 166, 0.28);
}

.cta-button:visited {
  color: #ffffff;
}

.cta-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.14);
}

footer {
  background: #0f172a;
  color: #e5e7eb;
  text-align: center;
  padding: 14px 10px;
  margin-top: 16px;
  width: 100%;
}

@media (max-width: 900px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .two {
    grid-template-columns: 1fr;
  }

  nav a {
    margin: 6px 8px;
  }
}