/* =============================================================================
   BASE.CSS — Bullet Website
   Body defaults, typography scale, @font-face declarations

   Load order: 3rd
   Depends on: tokens.css
   ============================================================================= */


/* -----------------------------------------------------------------------------
   @font-face — Open Sans (locally served from public/fonts/)
   Weights in use: 300, 400, 600, 700 (500 omitted — use 400/600 instead)
----------------------------------------------------------------------------- */

@font-face {
  font-family: 'Open Sans';
  src: url('/fonts/OpenSans-Light-webfont.woff2') format('woff2');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Open Sans';
  src: url('/fonts/OpenSans-LightItalic-webfont.woff2') format('woff2');
  font-weight: 300;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: 'Open Sans';
  src: url('/fonts/OpenSans-Regular-webfont.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Open Sans';
  src: url('/fonts/OpenSans-Italic-webfont.woff2') format('woff2');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: 'Open Sans';
  src: url('/fonts/OpenSans-Semibold-webfont.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Open Sans';
  src: url('/fonts/OpenSans-SemiboldItalic-webfont.woff2') format('woff2');
  font-weight: 600;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: 'Open Sans';
  src: url('/fonts/OpenSans-Bold-webfont.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Open Sans';
  src: url('/fonts/OpenSans-BoldItalic-webfont.woff2') format('woff2');
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}

/* Stack Sans Notch — variable font used on hero "Future" highlight.
   'truetype-variations' first for browsers that understand the axis,
   'truetype' as fallback (Android Chrome occasionally accepts only the latter). */
@font-face {
  font-family: 'Stack Sans Notch';
  src: url('/fonts/Future/StackSansNotch-VariableFont_wght.ttf') format('truetype-variations'),
       url('/fonts/Future/StackSansNotch-VariableFont_wght.ttf') format('truetype');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}


/* -----------------------------------------------------------------------------
   Base / Body defaults
----------------------------------------------------------------------------- */

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


/* -----------------------------------------------------------------------------
   Headings
----------------------------------------------------------------------------- */

h1, h2, h3, h4, h5, h6 {
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
  font-weight: var(--font-weight-light);
  color: var(--color-text-primary);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl);  }
h4 { font-size: var(--font-size-lg);  }
h5 { font-size: var(--font-size-md);  }
h6 { font-size: var(--font-size-base); }

p {
  line-height: var(--line-height-relaxed);
  color: var(--color-text-secondary);
}

strong {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}


/* -----------------------------------------------------------------------------
   Links
----------------------------------------------------------------------------- */

a {
  transition: color var(--transition-fast);
}

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

a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}


/* -----------------------------------------------------------------------------
   Accessibility — Skip to content link
----------------------------------------------------------------------------- */

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: var(--z-toast);
  padding: var(--space-3) var(--space-6);
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-md);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
}

.u-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}