/* AlphaOracle design tokens and reset */

:root {
  color-scheme: light;

  --bg: #fafafa;
  --surface: #ffffff;
  --text: #1a1a1a;
  --text-muted: #6b7280;
  --border: #e5e7eb;

  --accent: #4cade6;
  --accent-gold: #c4a962;
  --accent-mint: #21f3bf;

  --btn-bg: #1a1a1a;
  --btn-text: #ffffff;
  --btn-hover: #333333;

  --nav-height: 4rem;
  --container: 72rem;
  --radius: 0.75rem;
  --radius-pill: 999px;

  --font-heading: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.06);
  --transition: 180ms ease;
}

[data-theme="dark"] {
  color-scheme: dark;

  --bg: #0f1114;
  --surface: #1a1d21;
  --text: #f0f2f5;
  --text-muted: #9ca3af;
  --border: #2a2e35;

  --btn-bg: #f0f2f5;
  --btn-text: #0f1114;
  --btn-hover: #d1d5db;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: opacity var(--transition);
}

a:hover {
  opacity: 0.85;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.75rem;
  color: var(--text);
}

p {
  margin: 0 0 1rem;
  color: var(--text-muted);
}

ul, ol {
  color: var(--text-muted);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}