/* Base reset and typography */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-app);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

/* Typography */
h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 700; line-height: 1.15; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 600; line-height: 1.25; }
h3 { font-size: 1.2rem; font-weight: 600; }
h4 { font-size: .875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1.5px; color: var(--text-muted); margin-bottom: .75rem; }

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

code, .mono {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: .9em;
  background: var(--bg-elevated);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

/* Layout utilities */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}
.section-alt {
  padding: 96px 0;
  background: var(--bg-section);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-label {
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--gold-primary);
  margin-bottom: 12px;
}

.section-title {
  margin-bottom: 16px;
}

.section-sub {
  font-size: 1.1rem;
  max-width: 560px;
  color: var(--text-secondary);
}

.centered { text-align: center; }
.centered .section-sub { margin: 0 auto; }

/* Focus visible */
:focus-visible {
  outline: 2px solid var(--gold-primary);
  outline-offset: 3px;
  border-radius: 4px;
}