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

:root {
  --teal: #14B8A6;
  --teal-dark: #0D9488;
  --blue: #3B82F6;
  --blue-dark: #2563EB;
  --purple: #8B5CF6;
  --purple-dark: #7C3AED;
  --orange: #F97316;
  --orange-dark: #EA580C;
  --green: #22C55E;
  --green-dark: #16A34A;
  --bg: #0F172A;
  --bg-card: #1E293B;
  --bg-surface: #334155;
  --text: #F8FAFC;
  --text-muted: #94A3B8;
  --border: #475569;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--bg) 0%, #1E293B 50%, var(--bg) 100%);
  padding: 80px 24px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 24px;
}

.logo-icon {
  width: 48px;
  height: 48px;
}

.logo-text {
  font-size: 32px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--teal) 0%, #0891B2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.2;
}

.tagline {
  font-size: 20px;
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 14px 28px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.2s;
}

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

.btn-primary:hover {
  background: var(--teal-dark);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--teal);
  border: 2px solid var(--teal);
}

.btn-secondary:hover {
  background: rgba(20, 184, 166, 0.1);
}

/* Main Content */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 64px 0;
}

h2 {
  font-size: 32px;
  text-align: center;
  margin-bottom: 12px;
}

.section-desc {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 40px;
  font-size: 18px;
}

/* Workspace Grid */
.workspace-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.workspace-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  text-decoration: none;
  color: var(--text);
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
}

.workspace-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
}

.workspace-card.teal::before { background: var(--teal); }
.workspace-card.blue::before { background: var(--blue); }
.workspace-card.purple::before { background: var(--purple); }
.workspace-card.orange::before { background: var(--orange); }
.workspace-card.green::before { background: var(--green); }

.workspace-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
  border-color: transparent;
}

.workspace-card.teal:hover { border-color: var(--teal); }
.workspace-card.blue:hover { border-color: var(--blue); }
.workspace-card.purple:hover { border-color: var(--purple); }
.workspace-card.orange:hover { border-color: var(--orange); }
.workspace-card.green:hover { border-color: var(--green); }

.workspace-card .icon {
  font-size: 32px;
  margin-bottom: 12px;
}

.workspace-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.workspace-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Features */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.feature {
  text-align: center;
  padding: 32px 24px;
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid var(--border);
}

.feature-icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.feature h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.feature p {
  font-size: 14px;
  color: var(--text-muted);
}

/* Quick Links */
.links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  max-width: 800px;
  margin: 0 auto;
}

.quick-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  text-decoration: none;
  color: var(--text);
  transition: all 0.2s;
}

.quick-link:hover {
  background: var(--bg-surface);
  border-color: var(--teal);
}

.link-icon {
  font-size: 20px;
}

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  margin-top: 40px;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-content p {
  color: var(--text-muted);
  font-size: 14px;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
}

.footer-links a:hover {
  color: var(--teal);
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 32px;
  }
  
  .tagline {
    font-size: 16px;
  }
  
  .workspace-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}