@layer tokens, base, components, utilities;

@layer base {
  *, *::before, *::after { box-sizing: border-box; }
  * { margin: 0; }
  img, video { max-width: 100%; display: block; }
  input, button, textarea, select { font: inherit; }
  p, h1, h2, h3, h4 { overflow-wrap: break-word; }
  ul, ol { list-style: none; padding: 0; }
  a { color: inherit; }

  html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
  }

  body {
    font-family: var(--font-system);
    font-weight: var(--font-weight-regular);
    line-height: 1.47;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  :focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
  }

  main {
    padding-top: var(--space-4xl);
    min-height: 100vh;
  }

  @media (max-width: 768px) {
    main {
      padding-top: var(--space-3xl);
      padding-bottom: 100px;
    }
  }

  @media (max-width: 480px) {
    main {
      padding-top: var(--space-2xl);
      padding-bottom: 40px;
    }
  }

  @media (max-width: 360px) {
    main {
      padding-top: var(--space-lg);
      padding-bottom: 60px;
    }
  }

  section {
    margin: var(--space-4xl) 0;
  }

  @media (max-width: 768px) {
    section { margin: var(--space-2xl) 0; }
  }

  @media (max-width: 480px) {
    section { margin: var(--space-xl) 0; }
  }

  @media (max-width: 360px) {
    section { margin: var(--space-md) 0; }
  }

  section h2 {
    font-size: var(--text-3xl);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-2xl);
    text-align: center;
    color: var(--color-text-primary);
  }

  @media (max-width: 480px) {
    section h2 { margin-bottom: var(--space-lg); }
  }

  @media (max-width: 360px) {
    section h2 {
      font-size: clamp(18px, 8vw, 24px);
      margin-bottom: var(--space-md);
    }
  }
}