:root {
  --color-bg: #0a0a0b;
  --color-bg-elevated: #121214;
  --color-bg-card: #18181b;
  --color-border: #27272a;
  --color-border-subtle: #1f1f23;
  
  --color-text: #fafafa;
  --color-text-muted: #a1a1aa;
  --color-text-subtle: #71717a;
  
  --color-accent: #f97316;
  --color-accent-hover: #fb923c;
  --color-accent-glow: rgba(249, 115, 22, 0.15);
  --color-accent-glow-strong: rgba(249, 115, 22, 0.25);
  
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-card-hover: 0 8px 40px rgba(0, 0, 0, 0.5), 0 2px 4px rgba(0, 0, 0, 0.3);
  
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

.page-glow {
  position: fixed;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  height: 100vh;
  background: radial-gradient(ellipse 80% 50% at 50% 0%, var(--color-accent-glow) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.hero {
  position: relative;
  z-index: 1;
  padding: var(--space-3xl) 0 var(--space-2xl);
  text-align: center;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.hero-eyebrow {
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: var(--space-sm);
  background: linear-gradient(135deg, var(--color-text) 0%, var(--color-text-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--color-text-muted);
  max-width: 500px;
  margin: 0 auto;
}

.featured {
  position: relative;
  z-index: 1;
  padding: var(--space-xl) 0 var(--space-3xl);
}

.section-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-subtle);
  margin-bottom: var(--space-xl);
}

.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

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

@media (min-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.project-card {
  position: relative;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  transition: 
    transform var(--transition-normal),
    box-shadow var(--transition-normal),
    border-color var(--transition-normal);
  box-shadow: var(--shadow-card);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-border);
}

.project-card:not(.project-card--coming-soon):hover {
  border-color: var(--color-accent);
}

.project-card--coming-soon {
  opacity: 0.7;
}

.project-card--coming-soon:hover {
  opacity: 0.85;
  transform: translateY(-2px);
}

.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-accent-glow-strong) 0%, transparent 100%);
  border-radius: var(--radius-md);
  color: var(--color-accent);
}

.card-icon svg {
  width: 24px;
  height: 24px;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-text);
}

.card-description {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  flex-grow: 1;
}

.card-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  padding: var(--space-sm) 0;
  margin-top: var(--space-xs);
  transition: color var(--transition-fast), gap var(--transition-fast);
}

.card-cta:hover {
  color: var(--color-accent-hover);
  gap: var(--space-sm);
}

.card-cta:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

.cta-arrow {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-fast);
}

.card-cta:hover .cta-arrow {
  transform: translateX(2px);
}

.card-badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-subtle);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-subtle);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  margin-top: var(--space-xs);
  width: fit-content;
}

.site-footer {
  position: relative;
  z-index: 1;
  padding: var(--space-xl) 0;
  text-align: center;
}

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

@media (min-width: 640px) {
  .hero {
    padding: var(--space-3xl) 0;
  }
  
  .featured {
    padding: var(--space-2xl) 0 var(--space-3xl);
  }
}

@media (min-width: 1024px) {
  .hero {
    padding: 6rem 0 var(--space-3xl);
  }
  
  .project-card {
    padding: var(--space-xl) var(--space-xl) var(--space-lg);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}