/* ============================================
   CSS VARIABLES — FARMED Industrial Website
   Brutalist Design System
   ============================================ */

/* ---- Font Face Declarations ---- */

/* Inter — Primary (Cyrillic + Latin) */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 300 900;
  font-display: swap;
  src: url('../fonts/inter/inter-cyrillic.woff2') format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 300 900;
  font-display: swap;
  src: url('../fonts/inter/inter-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 300 900;
  font-display: swap;
  src: url('../fonts/inter/inter-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* JetBrains Mono — Monospace Accent (Cyrillic + Latin) */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('../fonts/jetbrains-mono/jetbrains-mono-cyrillic.woff2') format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}

@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('../fonts/jetbrains-mono/jetbrains-mono-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('../fonts/jetbrains-mono/jetbrains-mono-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}


/* ---- Custom Properties ---- */

:root {
  /* Colors — Industrial Brutalist Palette */
  --color-bg:          #E8E4DF;
  --color-bg-alt:      #D9D4CE;
  --color-bg-dark:     #1A1A1A;
  --color-bg-white:    #FFFFFF;

  --color-text:        #1A1A1A;
  --color-text-light:  #555555;
  --color-text-muted:  #888888;
  --color-text-invert: #E8E4DF;

  --color-accent:      #FF4D00;
  --color-accent-hover:#E04400;

  --color-border:      #1A1A1A;
  --color-border-light:#CCCCCC;
  --color-border-mid:  #999999;

  /* Typography */
  --font-primary:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:     'JetBrains Mono', 'Consolas', 'Courier New', monospace;

  /* Font Sizes */
  --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:  2rem;
  --text-4xl:  2.5rem;
  --text-5xl:  3rem;
  --text-6xl:  4rem;
  --text-7xl:  5rem;
  --text-8xl:  6rem;

  /* Font Weights */
  --weight-light:    300;
  --weight-regular:  400;
  --weight-medium:   500;
  --weight-bold:     700;
  --weight-black:    900;

  /* Line Heights */
  --leading-none:    1;
  --leading-tight:   1.1;
  --leading-snug:    1.25;
  --leading-normal:  1.5;
  --leading-relaxed: 1.625;

  /* Letter Spacing */
  --tracking-tighter: -0.04em;
  --tracking-tight:   -0.02em;
  --tracking-normal:  0;
  --tracking-wide:    0.05em;
  --tracking-wider:   0.1em;
  --tracking-widest:  0.2em;

  /* Spacing */
  --space-1:   0.25rem;
  --space-2:   0.5rem;
  --space-3:   0.75rem;
  --space-4:   1rem;
  --space-5:   1.25rem;
  --space-6:   1.5rem;
  --space-8:   2rem;
  --space-10:  2.5rem;
  --space-12:  3rem;
  --space-16:  4rem;
  --space-20:  5rem;
  --space-24:  6rem;
  --space-32:  8rem;

  /* Layout */
  --container-max:    1440px;
  --container-wide:   1200px;
  --container-narrow: 900px;
  --grid-gap:         var(--space-6);
  --grid-gap-lg:      var(--space-10);
  --section-padding:  var(--space-20);

  /* Borders */
  --border-thin:   1px solid var(--color-border);
  --border-medium: 2px solid var(--color-border);
  --border-thick:  3px solid var(--color-border);
  --border-accent: 2px solid var(--color-accent);

  /* Transitions — Mechanical */
  --transition-instant: 0s;
  --transition-fast:    150ms linear;
  --transition-base:    250ms linear;
  --transition-slow:    400ms linear;

  /* Z-index */
  --z-behind:  -1;
  --z-base:    0;
  --z-above:   10;
  --z-nav:     100;
  --z-overlay: 200;
  --z-modal:   300;

  /* Header */
  --header-height: 80px;
}