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

/* === MODERN DESIGN SYSTEM & VARIABLES === */
:root {
  /* Colors (OKLCH for modern, vibrant colors) */
  --primary-color: oklch(55% 0.22 255);
  --secondary-color: oklch(75% 0.28 290);
  --background-color: oklch(98% 0.01 240);
  --surface-color: oklch(100% 0 0);
  --text-color: oklch(25% 0.02 240);
  --shadow-color: oklch(20% 0.03 240 / 40%);

  /* Typography */
  --font-primary: 'Inter', sans-serif;
  --font-heading: 'Syne', sans-serif;

  /* Spacing & Effects */
  --spacing-unit: 8px;
  --border-radius: 12px;
  --shadow-lifted: 0 4px 6px -1px var(--shadow-color), 0 2px 4px -2px var(--shadow-color);
  --shadow-interactive: 0 0 0 3px oklch(from var(--secondary-color) l c h / 30%);
}

/* === GLOBAL STYLES === */
body {
  font-family: var(--font-primary);
  color: var(--text-color);
  background-color: var(--background-color);
  line-height: 1.6;
  /* Subtle noise texture for a premium feel */
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 800 800' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  background-size: cover;
  background-repeat: no-repeat;
  background-attachment: fixed;
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: calc(var(--spacing-unit) * 4);
}

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--primary-color);
}