/* base.css */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
}
img { max-width: 100%; display: block; }
a { color: var(--color-accent); }


/* colors.css */
:root {
  --color-bg:       #ffffff;
  --color-surface:  #f8f9fa;
  --color-text:     #1a1a2e;
  --color-muted:    #6c757d;
  --color-accent:   #4f46e5;
  --color-accent-h: #3730a3;
  --color-border:   #e5e7eb;
}


/* typography.css */
h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.1; margin: 0 0 1rem; }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 700; line-height: 1.2; margin: 0 0 0.75rem; }
h3 { font-size: 1.25rem; font-weight: 600; margin: 0 0 0.5rem; }
p  { line-height: 1.7; margin: 0 0 1rem; color: var(--color-muted); }