/* ─── CRITICAL CSS: Variables & Resets ─── */
:root {
  --font-display: 'Syne', system-ui, sans-serif;
  --font-body:    'DM Sans', system-ui, sans-serif;
  --font-mono:    'DM Mono', 'Fira Code', monospace;

  --text-xs:   0.64rem;
  --text-sm:   0.75rem;
  --text-base: 0.875rem;
  --text-md:   1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.563rem;
  --text-3xl:  1.953rem;
  --text-4xl:  2.441rem;
  --text-5xl:  3.052rem;
  --text-6xl:  3.815rem;
  --text-7xl:  4.768rem;

  --weight-light:     300;
  --weight-regular:   400;
  --weight-medium:    500;
  --weight-semibold:  600;
  --weight-bold:      700;
  --weight-extrabold: 800;

  --tracking-tight:   -0.04em;
  --tracking-snug:    -0.02em;
  --tracking-normal:   0em;
  --tracking-wide:     0.04em;
  --tracking-wider:    0.1em;
  --tracking-widest:   0.2em;

  --leading-tight:  1.05;
  --leading-snug:   1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.7;
  --leading-loose:  1.9;

  --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;

  --container-max:  1200px;
  --container-pad:  clamp(1.25rem, 4vw, 2.5rem);

  --radius-sm:  0px;
  --radius-md:  0px;
  --radius-lg:  0px;
  --radius-xl:  0px;
  --radius-2xl: 0px;

  --section-pad: clamp(64px, 8vw, 120px) 0;
  
  --ease-out:    cubic-bezier(0.0, 0.0, 0.2, 1);
  --ease-in:     cubic-bezier(0.4, 0.0, 1.0, 1);
  --ease-inout:  cubic-bezier(0.4, 0.0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-sharp:  cubic-bezier(0.4, 0.0, 0.6, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-md);
  color: var(--text-primary);
  background-color: var(--bg-void);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--weight-extrabold);
  line-height: var(--leading-tight);
  color: var(--text-bright);
  letter-spacing: var(--tracking-tight);
}

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

ul, ol {
  list-style: none;
}

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

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.section {
  padding: var(--section-pad);
}