/* ==========================================================================
   Mairo Toom Photography - Base & Reset
   Dark, minimal, image-first design system
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-primary: #070707;
  --bg-surface: #101010;
  --bg-surface-elevated: #161616;
  --bg-overlay: rgba(5, 5, 5, 0.95);
  --border-subtle: #1e1e1e;
  --border-medium: #2e2e2e;
  --border-focus: #555555;

  /* Typography Colors */
  --text-primary: #f5f5f5;
  --text-secondary: #a3a3a3;
  --text-muted: #666666;
  --text-inverse: #0a0a0a;

  /* Accent - Pure minimal white highlight */
  --accent: #ffffff;

  /* Typography Styles */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Spacing Scale */
  --space-2xs: 4px;
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 32px;
  --space-xl: 48px;
  --space-2xl: 64px;
  --space-3xl: 96px;

  /* Layout Max Widths */
  --max-width: 1560px;
  --header-height: 80px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-smooth: 350ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  height: 100%;
}

body {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  overflow-x: hidden;
}

/* Accessible focus styles */
:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 3px;
}

/* Typography elements */
h1, h2, h3, h4, h5, h6 {
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.2;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent);
}

button {
  background: none;
  border: none;
  color: inherit;
  font: inherit;
  cursor: pointer;
  padding: 0;
}

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

/* Utility: visually hidden for screen readers */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}