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

:root {
  --background: #0d1117;
  --foreground: #f0f6fc;
  --card: #0d1117;
  --card-hover: #161b22;
  --primary: #22c55e;
  --primary-dim: rgba(34, 197, 94, 0.1);
  --primary-hover: rgba(34, 197, 94, 0.2);
  --muted: #8b949e;
  --border: #21262d;
  --border-hover: rgba(34, 197, 94, 0.3);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--background);
  color: var(--foreground);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Navigation */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border);
  background-color: rgba(13, 17, 23, 0.8);
  backdrop-filter: blur(20px);
}

.nav-container {
  max-width: 1152px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-logo-icon {
  width: 32px;
  height: 32px;
  background: var(--primary-dim);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-logo-icon svg {
  width: 16px;
  height: 16px;
  color: var(--primary);
}

.nav-logo span {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.025em;
}

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

.nav-links a {
  font-size: 0.875rem;
  color: var(--muted);
  transition: color 0.2s;
}

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

/* Hero Section */
.hero {
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-bg-blur-1 {
  position: absolute;
  top: -160px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 500px;
  background: rgba(34, 197, 94, 0.05);
  border-radius: 50%;
  filter: blur(80px);
}

.hero-bg-blur-2 {
  position: absolute;
  top: 80px;
  left: 25%;
  width: 400px;
  height: 300px;
  background: rgba(34, 197, 94, 0.03);
  border-radius: 50%;
  filter: blur(60px);
}

.hero-content {
  position: relative;
  max-width: 896px;
  margin: 0 auto;
  padding: 6rem 1.5rem 5rem;
  text-align: center;
}

.badge {
  display: inline-block;
  padding: 0.375rem 0.875rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--primary);
  background: var(--primary-dim);
  border: 1px solid rgba(34, 197, 94, 0.2);
  border-radius: 9999px;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 3.75rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 1.5rem;
  text-wrap: balance;
}

.hero p {
  max-width: 640px;
  margin: 0 auto 2.5rem;
  font-size: 1.125rem;
  color: var(--muted);
  text-wrap: pretty;
}

.hero p strong {
  color: var(--foreground);
  font-weight: 500;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

@media (min-width: 640px) {
  .hero-buttons {
    flex-direction: row;
    justify-content: center;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 2rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 8px;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: #16a34a;
  color: #f0f6fc;
}

.btn-primary:hover {
  background: #15803d;
}

.btn-outline {
  background: transparent;
  color: var(--foreground);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  background: var(--card-hover);
  border-color: var(--border-hover);
}

.btn svg {
  width: 16px;
  height: 16px;
}

/* Install Section */
.install {
  border-top: 1px solid var(--border);
  background: var(--background);
  padding: 5rem 1.5rem;
}

.install-container {
  max-width: 1152px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: 1.875rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto;
}

.steps-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .steps-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.step-card {
  position: relative;
  overflow: hidden;
  background: var(--card-hover);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  transition: all 0.3s;
}

.step-card:hover {
  border-color: var(--border-hover);
  background: #1c2128;
}

.step-number {
  position: absolute;
  right: 1rem;
  top: 1rem;
  font-size: 4rem;
  font-weight: 700;
  color: rgba(34, 197, 94, 0.05);
  transition: color 0.3s;
  line-height: 1;
}

.step-card:hover .step-number {
  color: rgba(34, 197, 94, 0.1);
}

.step-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.step-icon {
  width: 40px;
  height: 40px;
  background: var(--primary-dim);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s;
}

.step-card:hover .step-icon {
  background: var(--primary-hover);
}

.step-icon svg {
  width: 20px;
  height: 20px;
  color: var(--primary);
}

.step-shortcut {
  font-family: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
  font-size: 0.75rem;
  color: var(--primary);
  background: var(--primary-dim);
  border: 1px solid rgba(34, 197, 94, 0.2);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.step-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.step-card p {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.6;
}

/* Requirements Section */
.requirements {
  background: var(--background);
  padding: 5rem 1.5rem;
}

.requirements-container {
  max-width: 768px;
  margin: 0 auto;
}

.requirements-card {
  background: var(--card-hover);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  backdrop-filter: blur(8px);
}

.requirements-header {
  text-align: center;
  margin-bottom: 2rem;
}

.requirements-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-dim);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}

.requirements-icon svg {
  width: 24px;
  height: 24px;
  color: var(--primary);
}

.requirements-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.requirements-header p {
  color: var(--muted);
}

.requirements-grid {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 640px) {
  .requirements-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.requirement-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem;
  background: rgba(33, 38, 45, 0.5);
  border: 1px solid var(--border);
  border-radius: 8px;
  text-align: center;
}

.requirement-item svg {
  width: 20px;
  height: 20px;
  color: var(--primary);
}

.requirement-item .label {
  font-size: 0.75rem;
  color: var(--muted);
}

.requirement-item .value {
  font-size: 0.875rem;
  font-weight: 500;
}

.requirements-download {
  background: rgba(33, 38, 45, 0.5);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  text-align: center;
}

.requirements-download p {
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  background: var(--background);
  padding: 2rem 1.5rem;
}

.footer-container {
  max-width: 1152px;
  margin: 0 auto;
  text-align: center;
}

.footer p {
  font-size: 0.875rem;
  color: var(--muted);
}