@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Noto+Sans+SC:wght@400;500&display=swap');

:root {
  --bg-primary: #050608;
  --bg-secondary: #0B0F14;
  --surface-card: #11161D;
  --surface-card-end: #0D1117;
  --accent-orange: #FF6A45;
  --accent-orange-hover: #FF7B5A;
  --accent-orange-pressed: #E95C38;
  --accent-blue: #6AA8FF;
  --accent-purple: #6A6AF8;
  --text-primary: #F2F4F7;
  --text-secondary: rgba(242, 244, 247, 0.62);
  --text-muted: rgba(242, 244, 247, 0.38);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 32px;
  --radius-pill: 999px;
  --shadow-card: 0 20px 80px rgba(0, 0, 0, 0.3);
  --shadow-card-hover: 0 20px 80px rgba(106, 168, 255, 0.08);
  --motion-fast: 150ms;
  --motion-normal: 300ms;
  --motion-slow: 600ms;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --font-en: 'Inter', system-ui, sans-serif;
  --font-cn: 'Noto Sans SC', 'Source Han Sans SC', sans-serif;
  --font-display: 72px;
  --font-h1: 48px;
  --font-h2: 36px;
  --font-h3: 24px;
  --font-body: 18px;
  --font-caption: 14px;
  --page-max: 1440px;
  --nav-height: 88px;
  --layout-density-gap: 24px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-cn);
  font-size: var(--font-body);
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body[data-density="compact"] {
  --layout-density-gap: 16px;
}

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

button {
  font-family: inherit;
  cursor: pointer;
}

img {
  max-width: 100%;
  display: block;
}

.page-shell {
  min-height: 100vh;
  background:
    radial-gradient(ellipse 80% 50% at 70% 20%, rgba(106, 168, 255, 0.04), transparent),
    var(--bg-primary);
}

.container {
  width: min(100% - 48px, var(--page-max));
  margin-inline: auto;
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 32px, var(--page-max));
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

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

  .v2-hero-particles span {
    animation: none;
  }
}