:root {
  /* Google Gemini Palette */
  --g-blue-600: #1a73e8;
  --g-blue-700: #1557b0;
  --g-blue-500: #4285f4;
  --g-blue-100: #e8f0fe;
  --g-blue-50: #f4f8fe;

  --g-purple-600: #7c3aed;
  --g-purple-700: #6d28d9;
  --g-purple-100: #ede9fe;
  --g-purple-50: #f5f3ff;

  --g-coral-500: #ea4335;
  --g-green-500: #34a853;
  --g-green-100: #e6f4ea;
  --g-green-700: #137333;
  --g-amber-500: #fbbc04;
  --g-amber-100: #fef7e0;

  /* Neutral tones */
  --bg-primary: #ffffff;
  --bg-surface: #f8fafd;
  --bg-surface-elevated: #ffffff;
  --bg-subtle: #f0f4f9;
  --bg-card-hover: #f3f7fd;

  --text-primary: #1f1f1f;
  --text-secondary: #444746;
  --text-muted: #747775;
  --text-light: #ffffff;

  --border-subtle: #e3e3e3;
  --border-card: #e1e7f0;
  --border-focus: #1a73e8;

  /* Gradients */
  --gemini-gradient: linear-gradient(135deg, #1a73e8 0%, #7c3aed 50%, #db2777 100%);
  --gemini-gradient-subtle: linear-gradient(135deg, #1a73e8 0%, #6366f1 100%);
  --gemini-gradient-soft: linear-gradient(135deg, rgba(26, 115, 232, 0.08) 0%, rgba(124, 58, 237, 0.08) 50%, rgba(219, 39, 119, 0.06) 100%);
  --gemini-gradient-glow: radial-gradient(circle at 50% 0%, rgba(66, 133, 244, 0.15), rgba(124, 58, 237, 0.08) 40%, rgba(255, 255, 255, 0) 70%);

  /* Shadows */
  --shadow-sm: 0 1px 3px 0 rgba(60, 64, 67, 0.08), 0 1px 2px 0 rgba(60, 64, 67, 0.04);
  --shadow-md: 0 4px 14px 0 rgba(60, 64, 67, 0.09);
  --shadow-lg: 0 12px 28px -4px rgba(60, 64, 67, 0.12), 0 6px 12px -4px rgba(60, 64, 67, 0.06);
  --shadow-glow: 0 8px 30px rgba(26, 115, 232, 0.25);
  --shadow-glow-purple: 0 8px 30px rgba(124, 58, 237, 0.22);

  /* Typography */
  --font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --container-max: 1180px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --radius-pill: 9999px;

  /* Transitions */
  --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Base Setup */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.55;
  overflow-x: hidden;
  position: relative;
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

@media (max-width: 640px) {
  .container {
    padding-left: 18px;
    padding-right: 18px;
  }
}