/* Fonts — Inter Variable (self-hosted from rsms.me/inter) */
@font-face {
  font-family: 'Inter';
  src: url('../assets/fonts/InterVariable.woff2') format('woff2-variations'),
       url('../assets/fonts/InterVariable.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

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

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: var(--lh-relaxed);
  color: var(--text-primary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  position: relative;
}

/* Subtle background texture — dot grid + radial wash */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.03) 1px, transparent 0);
  background-size: 28px 28px;
}

/* Media */
img, svg, video { display: block; max-width: 100%; height: auto; }
img { border: 0; }

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
  text-wrap: balance;
}
h1 { font-size: var(--fs-4xl); font-weight: 600; }
h2 { font-size: var(--fs-3xl); }
h3 { font-size: var(--fs-2xl); }
h4 { font-size: var(--fs-xl); }
h5 { font-size: var(--fs-lg); }
h6 {
  font-size: var(--fs-sm);
  font-family: var(--font-body);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
  color: var(--text-secondary);
}

p {
  color: var(--text-secondary);
  font-size: var(--fs-md);
  line-height: var(--lh-relaxed);
  text-wrap: pretty;
}

a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}
a:hover { color: var(--accent-primary); }

strong { color: var(--text-primary); font-weight: 600; }

::selection {
  background: var(--accent-primary);
  color: var(--bg-primary);
}

/* Focus — visible and on-brand */
:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -40px;
  left: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--accent-primary);
  color: var(--bg-primary);
  font-weight: 600;
  border-radius: var(--radius-sm);
  z-index: var(--z-modal);
  transition: top var(--dur-fast) var(--ease-out);
}
.skip-link:focus { top: var(--space-4); color: var(--bg-primary); }

/* Layout primitives */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  position: relative;
}
.container--narrow { max-width: var(--container-narrow); }

main { position: relative; z-index: 1; }

section {
  padding-block: var(--space-11);
  position: relative;
}
@media (max-width: 720px) {
  section { padding-block: var(--space-9); }
}

.section-divider {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
  color: var(--text-primary);
}

/* Utilities */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.text-accent { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }