@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
}
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 10px rgba(0,212,255,0.4); }
  50% { box-shadow: 0 0 30px rgba(0,212,255,0.9), 0 0 60px rgba(0,180,220,0.4); }
}
.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 32s linear infinite;
}
.float-anim {
  animation: float 4s ease-in-out infinite;
}
.shimmer-text {
  background: linear-gradient(90deg, #00d4ff 0%, #ffffff 40%, #00d4ff 60%, #7ee8fa 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 3s linear infinite;
}
.pulse-glow {
  animation: pulse-glow 2s ease-in-out infinite;
}
.prose {
  color: #e2e8f0;
  line-height: 1.8;
  font-size: 1rem;
  max-width: 100%;
}
.prose h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: #00d4ff;
  margin-top: 1rem;
  margin-bottom: 0.75rem;
  border-bottom: 1px solid rgba(0,212,255,0.25);
  padding-bottom: 0.4rem;
}
.prose h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: #7ee8fa;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}
.prose p {
  margin-bottom: 1.1rem;
  color: #cbd5e1;
}
.prose a {
  color: #00d4ff;
  text-decoration: underline;
}
.prose a:hover {
  color: #7ee8fa;
}
.prose ul {
  list-style: disc;
  padding-left: 1.6em;
  margin-bottom: 1rem;
  color: #cbd5e1;
}
.prose ol {
  list-style: decimal;
  padding-left: 1.6em;
  margin-bottom: 1rem;
  color: #cbd5e1;
}
.prose li {
  margin-bottom: 0.4rem;
}
.prose blockquote {
  border-left: 4px solid #00d4ff;
  padding-left: 1.2em;
  color: #94a3b8;
  font-style: italic;
  margin: 1.5rem 0;
}
.prose img {
  max-width: 100%;
  border-radius: 0.75rem;
  margin: 1.5rem auto;
  display: block;
}
.prose table {
  display: block;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  max-width: 100%;
  white-space: nowrap;
  border-collapse: collapse;
  width: 100%;
  margin-bottom: 1.5rem;
}
.prose thead {
  background: rgba(0,100,160,0.6);
}
.prose th {
  color: #00d4ff;
  font-weight: 700;
  padding: 0.6rem 1rem;
  border: 1px solid rgba(0,212,255,0.2);
  text-align: left;
}
.prose td {
  padding: 0.55rem 1rem;
  border: 1px solid rgba(0,212,255,0.15);
  color: #cbd5e1;
  background: rgba(10,22,50,0.6);
}
.prose tr:hover td {
  background: rgba(0,100,160,0.3);
}
.ocean-card {
  background: linear-gradient(135deg, rgba(5,15,40,0.95) 0%, rgba(0,50,90,0.8) 100%);
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: 1rem;
  backdrop-filter: blur(8px);
}
.btn-primary {
  background: linear-gradient(90deg, #0077b6, #00b4d8);
  color: #ffffff;
  font-weight: 700;
  padding: 0.75rem 2rem;
  border-radius: 0.5rem;
  display: inline-block;
  transition: all 0.25s ease;
  text-decoration: none;
  text-align: center;
}
.btn-primary:hover {
  background: linear-gradient(90deg, #00b4d8, #0077b6);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0,180,216,0.5);
}
.btn-secondary {
  background: transparent;
  color: #00d4ff;
  font-weight: 700;
  padding: 0.7rem 2rem;
  border-radius: 0.5rem;
  border: 2px solid #00d4ff;
  display: inline-block;
  transition: all 0.25s ease;
  text-decoration: none;
  text-align: center;
}
.btn-secondary:hover {
  background: rgba(0,212,255,0.12);
  transform: translateY(-2px);
}