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

:root {
  --color-bg: #ffffff;
  --color-text: #1a1a1a;
  --color-text-light: #6a6a6a;
  --color-border: #e0e0e0;
  --color-primary: #1a1a1a;
  --color-primary-hover: #333333;
  --color-accent: #4a4a4a;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --font-mono: 'Courier New', Courier, monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --max-width: 1200px;
  --border-radius: 8px;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.95);
}

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
}

.brand {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.brand:hover {
  color: var(--color-primary-hover);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.nav a {
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
}

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

.nav a.cta {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.5rem 1rem;
  background: var(--color-primary);
  color: white;
  border-radius: var(--border-radius);
  font-weight: 500;
}

.nav a.cta:hover {
  background: var(--color-primary-hover);
  color: white;
}

/* Hero */
.hero {
  padding: var(--spacing-xl) 0;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.hero-content h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
  color: var(--color-text);
}

.hero-content p {
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  color: var(--color-text-light);
  max-width: 700px;
  margin: 0 auto var(--spacing-lg);
}

.hero-actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.875rem 1.5rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.2s;
  border: 1px solid transparent;
}

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

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

.btn.ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn.ghost:hover {
  background: var(--color-bg);
  border-color: var(--color-text);
}

/* Sections */
section {
  padding: var(--spacing-xl) 0;
}

.section-heading {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text);
}

.section-heading i {
  font-size: 1.5rem;
  color: var(--color-accent);
}

/* Philosophy */
.philosophy {
  background: #fafafa;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.philosophy-content .lead {
  font-size: 1.25rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
  text-align: center;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.philosophy-item {
  text-align: center;
  padding: var(--spacing-md);
}

.philosophy-item i {
  font-size: 2.5rem;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.philosophy-item h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.philosophy-item p {
  color: var(--color-text-light);
}

/* Features */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.feature {
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: all 0.2s;
}

.feature:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.feature .icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f5f5f5;
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-sm);
}

.feature .icon i {
  font-size: 1.5rem;
  color: var(--color-accent);
}

.feature h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.feature p {
  color: var(--color-text-light);
  line-height: 1.6;
}

/* Technical */
.technical {
  background: #fafafa;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.technical-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.technical-item {
  padding: var(--spacing-md);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
}

.technical-item h3 {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.technical-item h3 i {
  color: var(--color-accent);
}

.technical-item p {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

.widgets-info,
.customizer-info {
  background: white;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  margin-top: var(--spacing-md);
}

.widgets-info h3,
.customizer-info h3 {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.widgets-info h3 i,
.customizer-info h3 i {
  color: var(--color-accent);
}

.widgets-info ul,
.customizer-info ul {
  list-style: none;
  padding-left: 0;
}

.widgets-info li,
.customizer-info li {
  padding: var(--spacing-xs) 0;
  color: var(--color-text-light);
  padding-left: var(--spacing-md);
  position: relative;
}

.widgets-info li::before,
.customizer-info li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.widgets-info code,
.customizer-info code {
  background: #f5f5f5;
  padding: 0.125rem 0.375rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.9em;
}

/* Installation */
.steps {
  list-style: none;
  counter-reset: step-counter;
  max-width: 800px;
  margin: 0 auto;
}

.steps li {
  counter-increment: step-counter;
  margin-bottom: var(--spacing-lg);
}

.step {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
}

.step .num {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  font-weight: 600;
  font-size: 1.1rem;
}

.step .body {
  flex: 1;
  padding-top: 0.5rem;
}

.step .body h4 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.step .body p {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xs);
}

.step .body ul {
  list-style: none;
  padding-left: 0;
  margin-top: var(--spacing-sm);
}

.step .body li {
  padding: var(--spacing-xs) 0;
  color: var(--color-text-light);
  padding-left: var(--spacing-md);
  position: relative;
}

.step .body li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.step-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  margin-top: var(--spacing-xs);
}

.step-link:hover {
  text-decoration: underline;
}

/* Links */
.links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.link-card {
  display: block;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  text-decoration: none;
  transition: all 0.2s;
  text-align: center;
}

.link-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.link-card i {
  font-size: 2rem;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.link-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

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

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-md) 0;
  background: #fafafa;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  color: var(--color-text-light);
  font-size: 0.9rem;
}

.footer-content .dot {
  color: var(--color-border);
}

.footer-content a {
  color: var(--color-text);
  text-decoration: none;
}

.footer-content a:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
  .site-header .container {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .nav {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero {
    padding: var(--spacing-lg) 0;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    justify-content: center;
  }

  section {
    padding: var(--spacing-lg) 0;
  }

  .grid,
  .philosophy-grid,
  .technical-grid,
  .links-grid {
    grid-template-columns: 1fr;
  }

  .step {
    flex-direction: column;
  }

  .step .num {
    align-self: flex-start;
  }
}