/* Modern Clean Stylesheet */
:root {
  --primary: #0284c7;
  --primary-hover: #0369a1;
  --bg: #0f172a;
  --surface: #1e293b;
  --surface-border: #334155;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --radius: 12px;
}

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

body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  background-color: var(--bg);
  color: var(--text-main);
  line-height: 1.6;
}

.site-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-header {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--surface-border);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: #38bdf8;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: #38bdf8;
}

.site-main {
  flex: 1;
  padding: 3.5rem 0;
}

.hero-section {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 4rem auto;
}

.badge {
  display: inline-block;
  padding: 0.35rem 0.9rem;
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

h1 {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.25rem;
  background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

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

.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  border: none;
  transition: all 0.2s ease;
}

.btn-primary {
  background-color: var(--primary);
  color: white;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
}

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

.btn-secondary:hover {
  background-color: #273549;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

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

.feature-card:hover {
  transform: translateY(-3px);
  border-color: #38bdf8;
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.demo-box {
  background: rgba(30, 41, 59, 0.7);
  border: 1px solid #38bdf8;
  border-radius: var(--radius);
  padding: 1.75rem;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.timestamp-box {
  margin-top: 1rem;
  font-size: 1.1rem;
  font-family: monospace;
  color: #38bdf8;
}

.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--surface-border);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}