/* ============================================
   BASE — Reset + Typography
   ============================================ */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--surface-0);
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: var(--text-3xl);
  font-weight: 700;
}

h2 {
  font-size: var(--text-2xl);
  font-weight: 600;
}

h3 {
  font-size: var(--text-xl);
  font-weight: 600;
}

h4 {
  font-size: var(--text-lg);
  font-weight: 600;
}

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

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

a:hover { color: var(--primary-light); }

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

/* Financial numbers */
.mono {
  font-family: var(--font-mono);
  font-weight: 500;
}

.kpi-number {
  font-family: var(--font-display);
  font-size: var(--text-kpi);
  font-weight: 700;
  line-height: 1;
}

.text-positive { color: var(--positive); }
.text-negative { color: var(--negative); }
.text-warning { color: var(--warning); }
.text-accent { color: var(--accent); }
.text-primary-color { color: var(--primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-secondary); }

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

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

/* Selection */
::selection {
  background-color: var(--accent);
  color: var(--surface-0);
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--surface-0); }
::-webkit-scrollbar-thumb {
  background: var(--surface-2);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }