:root {
  --frost-cyan: #00d4e0;
  --frost-silver: #c0c8d8;
  --frost-dark: #07111f;
  --frost-darker: #040c17;
  --frost-card: #0d1e30;
  --frost-border: #1a3a55;
  --frost-text: #dce8f5;
  --frost-muted: #7a9bb5;
}

* { box-sizing: border-box; }

body {
  background-color: var(--frost-dark);
  color: var(--frost-text);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  line-height: 1.7;
  margin: 0;
  padding: 0;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(2rem); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 1rem rgba(0,212,224,0.3); }
  50% { box-shadow: 0 0 2.5rem rgba(0,212,224,0.7); }
}

@keyframes iceSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 28s linear infinite;
}

.marquee-track:hover { animation-play-state: paused; }

.glow-btn {
  animation: glowPulse 2.5s ease-in-out infinite;
}

.fade-up {
  animation: fadeUp 0.7s ease both;
}

.prose {
  color: var(--frost-text);
  max-width: 100%;
  font-size: 1rem;
  line-height: 1.8;
}

.prose h2 {
  color: var(--frost-cyan);
  font-size: 1.6rem;
  font-weight: 700;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  border-bottom: 2px solid var(--frost-border);
  padding-bottom: 0.4rem;
}

.prose h3 {
  color: var(--frost-silver);
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.prose p {
  margin-bottom: 1.2rem;
  color: var(--frost-text);
}

.prose a {
  color: var(--frost-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.prose a:hover { color: #ffffff; }

.prose ul, .prose ol {
  padding-left: 1.5rem;
  margin-bottom: 1.2rem;
}

.prose ul li {
  list-style: disc;
  margin-bottom: 0.4rem;
  color: var(--frost-text);
}

.prose ol li {
  list-style: decimal;
  margin-bottom: 0.4rem;
  color: var(--frost-text);
}

.prose blockquote {
  border-left: 4px solid var(--frost-cyan);
  padding-left: 1rem;
  margin: 1.5rem 0;
  color: var(--frost-muted);
  font-style: italic;
  background: rgba(0,212,224,0.05);
  border-radius: 0 0.5rem 0.5rem 0;
}

.prose table {
  display: block;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  max-width: 100%;
  white-space: nowrap;
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.prose table th {
  background: var(--frost-border);
  color: var(--frost-cyan);
  padding: 0.65rem 1rem;
  text-align: left;
  font-weight: 700;
  border: 1px solid var(--frost-border);
}

.prose table td {
  padding: 0.6rem 1rem;
  border: 1px solid var(--frost-border);
  color: var(--frost-text);
  background: var(--frost-card);
}

.prose table tr:nth-child(even) td {
  background: rgba(13,30,48,0.6);
}

.prose img {
  max-width: 100%;
  height: auto;
  border-radius: 0.75rem;
  border: 1px solid var(--frost-border);
  margin: 1.5rem 0;
}

.frost-card {
  background: var(--frost-card);
  border: 1px solid var(--frost-border);
  border-radius: 1rem;
  padding: 1.5rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.frost-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 2rem rgba(0,212,224,0.15);
}

.btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, #00d4e0, #0096a0);
  color: #07111f;
  font-weight: 700;
  padding: 0.85rem 2rem;
  border-radius: 0.6rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  font-size: 1rem;
  transition: filter 0.2s;
}

.btn-primary:hover { filter: brightness(1.15); }

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--frost-cyan);
  font-weight: 700;
  padding: 0.85rem 2rem;
  border-radius: 0.6rem;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid var(--frost-cyan);
  font-size: 1rem;
  transition: background 0.2s, color 0.2s;
}

.btn-secondary:hover {
  background: var(--frost-cyan);
  color: var(--frost-dark);
}

.badge-18 {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  background: var(--frost-cyan);
  color: var(--frost-dark);
  font-weight: 900;
  font-size: 0.75rem;
  border-radius: 50%;
}

.overflow-x-auto { overflow-x: auto; }

.step-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  background: linear-gradient(135deg, #00d4e0, #0096a0);
  color: #07111f;
  font-weight: 900;
  font-size: 1.25rem;
  border-radius: 50%;
  flex-shrink: 0;
}

.provider-cloud span {
  display: inline-block;
  margin: 0.35rem;
  padding: 0.35rem 0.9rem;
  background: var(--frost-card);
  border: 1px solid var(--frost-border);
  border-radius: 2rem;
  color: var(--frost-silver);
  font-size: 0.88rem;
  transition: border-color 0.2s, color 0.2s;
}

.provider-cloud span:hover {
  border-color: var(--frost-cyan);
  color: var(--frost-cyan);
}

@media (max-width: 1024px) {
  #mobile-menu { display: none; }
  #mobile-menu.open { display: flex; }
}