/* ==========================================================================
   base.css — design tokens, reset, and typography.
   Change a color or font HERE and it updates across the whole site.
   ========================================================================== */

:root {
  /* Brand */
  --color-brand: #1ca3cc;
  --color-brand-dark: #1582a3;
  --color-navy: #0f172a;
  --color-navy-2: #1e293b;

  /* Neutrals */
  --color-text: #1e293b;
  --color-muted: #64748b;
  --color-border: #cbd5e1;
  --color-border-light: #e2e8f0;
  --color-surface: #ffffff;
  --color-surface-alt: #f8fafc;
  --color-page: #f1f5f9;

  /* Status */
  --color-success: #15803d;
  --color-success-bg: #dcfce7;
  --color-warning: #a16207;
  --color-warning-bg: #fef9c3;
  --color-danger: #b91c1c;
  --color-danger-bg: #fee2e2;
  --color-info: #0369a1;
  --color-info-bg: #e0f2fe;

  /* Type */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.375rem;
  --text-2xl: 1.75rem;
  --text-3xl: 2.25rem;

  /* Spacing (4px scale) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;

  /* Shape */
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow: 0 4px 16px rgba(15, 23, 42, 0.08);

  /* Layout */
  --container: 1100px;
  --container-narrow: 860px;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.55;
  color: var(--color-text);
  background: var(--color-page);
}

h1, h2, h3, h4 {
  margin: 0 0 var(--space-3);
  line-height: 1.2;
  color: var(--color-navy);
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }

p { margin: 0 0 var(--space-4); }

a {
  color: var(--color-brand-dark);
}

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

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

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.muted { color: var(--color-muted); }
.small { font-size: var(--text-sm); }
.text-right { text-align: right; }
.hidden { display: none !important; }

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}