/* Font Faces — self-hosted WOFF2 */
/* Note: Download fonts from Google Fonts and place WOFF2 files in /assets/fonts/ */
/* For now, using Google Fonts CDN as fallback — replace with @font-face when self-hosting */

@font-face {
  font-family: 'Instrument Serif';
  src: url('../assets/fonts/InstrumentSerif-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Instrument Serif';
  src: url('../assets/fonts/InstrumentSerif-Italic.woff2') format('woff2');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

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

@font-face {
  font-family: 'Instrument Sans';
  src: url('../assets/fonts/InstrumentSans-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Instrument Sans';
  src: url('../assets/fonts/InstrumentSans-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url('../assets/fonts/JetBrainsMono-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* Base Styles */
html {
  font-size: 100%;
  color: var(--color-white);
  background-color: var(--color-black);
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-body);
  font-weight: 400;
  line-height: var(--leading-body);
  color: var(--color-white);
  background-color: var(--color-black);
  overflow-x: hidden;
}

/* Headings */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: var(--leading-tight);
}

h1 {
  font-size: var(--text-h1);
}

h2 {
  font-size: var(--text-h2);
}

h3 {
  font-size: var(--text-h3);
}

/* Body text */
p {
  max-width: 65ch;
}

/* Links */
a {
  transition: color var(--duration-fast) var(--ease-out);
}

a:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 2px;
}

/* Selection */
::selection {
  background-color: var(--color-white);
  color: var(--color-black);
}

/* Monospace */
code, .mono {
  font-family: var(--font-mono);
  font-size: var(--text-small);
}

/* Skip to content */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.75rem 1.5rem;
  background: var(--color-white);
  color: var(--color-black);
  font-family: var(--font-sans);
  font-size: var(--text-small);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  z-index: 1000;
  transition: top var(--duration-fast) var(--ease-out);
}

.skip-link:focus {
  top: 1rem;
}

/* Uppercase label style */
.label {
  font-family: var(--font-sans);
  font-size: var(--text-small);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}