:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light-bg: #eff6ff;
  --primary-light-border: #bfdbfe;
  --bg: #f8fafc;
  --card-bg: #fff;
  --text: #1e293b;
  --text-light: #64748b;
  --border: #e2e8f0;
  --code-bg: #f1f5f9;
  --success: #059669;
  --radius: 12px;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

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

body {
  font-family: "Inter", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

li {
  list-style: none;
}

.header {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

.logo-img {
  height: 2.5rem;
  width: auto;
  vertical-align: middle;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

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

.nav-links a:hover {
  color: var(--primary);
}

.btn {
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
}

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

.btn-outline:hover {
  background: var(--primary);
  color: white !important;
}

.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 2rem;
  text-align: center;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-light);
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

.coupon-announcement {
  margin-top: 2rem;
  background: var(--primary-light-bg);
  color: var(--primary);
  padding: 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--primary-light-border);
  display: inline-block;
  font-weight: 500;
}

.coupon-announcement code {
  background: var(--code-bg);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-family: "JetBrains Mono", monospace;
  color: var(--primary-dark);
}

.foss-announcement {
  margin-top: 1rem;
  background: var(--success-light-bg);
  color: var(--success-color);
  padding: 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--success-light-border);
  display: inline-block;
  font-weight: 500;
  text-align: center;
}

.foss-announcement a {
  color: var(--primary-color);
  text-decoration: underline;
  font-weight: 600;
}

.foss-announcement a:hover {
  color: var(--primary-dark);
}

.features {
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 2rem;
}

.features h2 {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 3rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
}

.feature-icon {
  width: 4rem;
  height: 4rem;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 1.5rem;
  color: white;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.feature-card p {
  color: var(--text-light);
}

.stats {
  background: var(--card-bg);
  padding: 4rem 2rem;
}

.stats-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  text-align: center;
}

.stat h3 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.stat p {
  color: var(--text-light);
  font-weight: 500;
}

.cta {
  max-width: 800px;
  margin: 0 auto;
  padding: 6rem 2rem;
  text-align: center;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.cta h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.cta p {
  font-size: 1.125rem;
  color: var(--text-light);
  margin-bottom: 2rem;
}

.footer {
  background: var(--text);
  color: var(--text-light);
  padding: 3rem 2rem 2rem;
  margin-top: 6rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 3fr;
  gap: 3rem;
  align-items: start;
}

.footer h4 {
  color: white;
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer a {
  color: var(--text-light);
  text-decoration: none;
  transition: color 0.2s;
}

.footer a:hover {
  color: white;
}

.footer-bottom {
  max-width: 1200px;
  text-align: center;
}

.pricing-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.pricing-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  position: relative;
  transition: all 0.3s;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.pricing-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 8px 12px -4px rgba(0, 0, 0, 0.1);
}

.pricing-card.popular {
  border-color: var(--primary);
  border-width: 2px;
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
}

.plan-name {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.price {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  margin: 1rem 0;
}

.price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-light);
}

.pricing-card .features {
  list-style: none;
  margin: 2rem 0;
  text-align: left;
  padding: 0;
  flex-grow: 1;
}

.pricing-card .features li {
  padding: 0.5rem 0;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-light);
}

.pricing-card .features .check {
  color: var(--success);
  font-weight: bold;
}

.pricing-card .btn {
  margin-top: auto;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 3rem;
}

.sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.sidebar h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text);
}

.sidebar ul {
  list-style: none;
}

.sidebar li {
  margin-bottom: 0.5rem;
}

.sidebar a {
  color: var(--text-light);
  text-decoration: none;
  padding: 0.5rem 0;
  display: block;
  border-radius: 6px;
  transition: all 0.2s;
}

.sidebar a:hover {
  color: var(--primary);
  background: rgba(37, 99, 235, 0.05);
  padding-left: 0.5rem;
}

.content {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 3rem;
  box-shadow: var(--shadow);
}

.content h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text);
}

.content h2 {
  font-size: 1.875rem;
  font-weight: 600;
  margin: 2rem 0 1rem;
  color: var(--text);
  border-bottom: 2px solid var(--border);
  padding-bottom: 0.5rem;
}

.content h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 1.5rem 0 1rem;
  color: var(--text);
}

.content p {
  margin-bottom: 1rem;
  color: var(--text-light);
}

.content code {
  font-family: "JetBrains Mono", monospace;
  background: var(--code-bg);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.875rem;
}

.content pre {
  background: var(--code-bg);
  border-radius: var(--radius);
  padding: 1.5rem;
  overflow-x: auto;
  margin: 1rem 0;
  border: 1px solid var(--border);
}

.content pre code {
  background: none;
  padding: 0;
}

@media (max-width: 992px) {
  .nav-links {
    gap: 1.5rem;
  }
  .hero h1 {
    font-size: 3rem;
  }
  .hero p {
    font-size: 1.125rem;
  }
  .features h2,
  .cta h2 {
    font-size: 2.25rem;
  }
}

@media (max-width: 768px) {
  .nav {
    flex-direction: column;
    gap: 1rem;
  }
  .nav-links {
    width: 100%;
    justify-content: center;
  }
  .hero {
    padding: 4rem 1rem;
  }
  .hero h1 {
    font-size: 2.5rem;
  }
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  .features,
  .cta {
    padding: 4rem 1rem;
  }
  .container {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 1rem;
  }
  .sidebar {
    position: static;
  }
  .content {
    padding: 1.5rem;
  }
  .content h1 {
    font-size: 2rem;
  }
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .nav-links {
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
  }
  .hero h1 {
    font-size: 2rem;
  }
  .hero p {
    font-size: 1rem;
  }
  .features h2,
  .cta h2 {
    font-size: 1.75rem;
  }
}