:root {
  --color-bg: #0d1117;
  --color-bg-inverse: #ededed;
  --color-bg-secondary: #0d1117;
  --color-bg-surface: #0d1117;
  --color-bg-elevated: #131d2e;
  --color-text-primary: #ededed;
  --color-text-primary-inverse: #0d1117;
  --color-text-secondary: #a0a0a0;
  --color-text-muted: #555555;
  --color-accent: #34d399;
  --color-accent-secondary: #38bdf8;
  --color-accent-tertiary: #6ee7b7;
  --gradient-accent: linear-gradient(135deg, #34d399, #38bdf8, #818cf8);
  --color-border: rgba(255, 255, 255, 0.06);
  --color-border-hover: rgba(52, 211, 153, 0.3);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-card-hover: 0 8px 30px rgba(52, 211, 153, 0.08);
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", ui-monospace, monospace;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-hero: clamp(2.5rem, 6vw, 4.5rem);
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --leading-tight: 1.15;
  --leading-snug: 1.3;
  --leading-normal: 1.6;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-section: clamp(4rem, 10vh, 8rem);
  --max-width: 1200px;
  --max-width-sm: 800px;
  --max-width-xs: 600px;
  --nav-height: 64px;
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --border-radius-full: 9999px;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms var(--ease-out-expo);
  --transition-reveal: 700ms var(--ease-out-expo);
  --hero-grid-bg-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  --text-shadow-primary: 0 1px 2px rgba(0, 0, 0, 0.25);
  --color-warning: #fbbf24;
  --color-success: #34d399;
  --border-radius-md: 6px;
  --font-bold: 700;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

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

button {
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
  font: inherit;
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
}

.sr-hidden {
  opacity: 0;
  transition: opacity var(--transition-reveal),
    transform var(--transition-reveal);
}

.sr-hidden[data-sr-direction="fade-up"] {
  transform: translateY(40px);
}

.sr-hidden[data-sr-direction="fade-down"] {
  transform: translateY(-40px);
}

.sr-hidden[data-sr-direction="fade-left"] {
  transform: translateX(40px);
}

.sr-hidden[data-sr-direction="fade-right"] {
  transform: translateX(-40px);
}

.sr-hidden[data-sr-direction="fade-in"] {
  transform: none;
}

.sr-hidden[data-sr-direction="zoom-in"] {
  transform: scale(0.9);
}

.sr-visible {
  opacity: 1;
  transform: translateY(0) translateX(0) scale(1);
}

::selection {
  background: rgba(96, 165, 250, 0.25);
  color: var(--color-text-primary);
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: #333;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #555;
}

@media (prefers-reduced-motion: reduce) {
  .sr-hidden {
    transition: none;
    opacity: 1;
    transform: none;
  }

  ::view-transition-old(ultra-light-hero),
  ::view-transition-new(ultra-light-hero),
  ::view-transition-old(root),
  ::view-transition-new(root) {
    animation: none;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}