:root {
  --bg-primary: #0a0d14;
  --bg-secondary: #101622;
  --bg-card: rgba(18, 24, 38, 0.7);
  --border-color: rgba(255, 255, 255, 0.08);
  --text-main: #f0f4fc;
  --text-muted: #8b9bb4;
  --accent-cyan: #00d2ff;
  --accent-blue: #3a7bd5;
  --accent-green: #00e676;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: all 0.2s ease;
}

a:hover {
  color: #fff;
}

/* Header */
header {
  background: rgba(10, 13, 20, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.5px;
}

.logo-dot {
  width: 10px;
  height: 10px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent-cyan);
}

nav {
  display: flex;
  gap: 1.8rem;
  align-items: center;
}

nav a {
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 500;
}

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

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 20px;
  background: rgba(0, 230, 118, 0.1);
  border: 1px solid rgba(0, 230, 118, 0.3);
  font-size: 0.78rem;
  color: var(--accent-green);
  font-weight: 600;
}

.pulse {
  width: 6px;
  height: 6px;
  background: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-green);
  animation: pulse-anim 2s infinite;
}

@keyframes pulse-anim {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 230, 118, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(0, 230, 118, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 230, 118, 0); }
}

/* Main Container */
main {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 3rem 2rem;
}

/* Hero */
.hero {
  text-align: center;
  padding: 4rem 1rem 3rem;
  max-width: 850px;
  margin: 0 auto;
}

.hero-tag {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 30px;
  background: rgba(0, 210, 255, 0.08);
  border: 1px solid rgba(0, 210, 255, 0.2);
  color: var(--accent-cyan);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  letter-spacing: 0.5px;
}

.hero h1 {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -1px;
  margin-bottom: 1.2rem;
  background: linear-gradient(135deg, #ffffff 40%, #8b9bb4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  color: var(--text-muted);
  font-size: 1.15rem;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: #060a12;
  box-shadow: 0 4px 16px rgba(0, 210, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0, 210, 255, 0.45);
  color: #000;
}

.btn-secondary {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
}

.btn-secondary:hover {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.05);
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin: 3rem 0 4rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 1.8rem;
  border-radius: 12px;
  text-align: center;
}

.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
  margin-bottom: 0.3rem;
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

/* Feature Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 2rem;
  border-radius: 12px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 210, 255, 0.3);
}

.feature-icon {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: #fff;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* Code Snippet Box */
.code-box {
  background: #06090f;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1.5rem;
  margin: 2rem 0;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 0.88rem;
  overflow-x: auto;
}

.code-box pre {
  color: #c9d1d9;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  background: var(--bg-card);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

th, td {
  padding: 1rem 1.2rem;
  text-align: left;
}

th {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  border-bottom: 1px solid var(--border-color);
}

td {
  border-bottom: 1px solid var(--border-color);
  font-size: 0.92rem;
}

tr:last-child td {
  border-bottom: none;
}

/* Footer */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 2.5rem 2rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-top: auto;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

@media (max-width: 768px) {
  .hero h1 { font-size: 2.1rem; }
  nav { gap: 1rem; font-size: 0.85rem; }
  .footer-content { flex-direction: column; text-align: center; }
}