/* ============================================================
   Nova — Base (reset / typografi / zemin)
   nova-foundation · Req 2.1, 2.3, 2.4, 2.5
   variables.css token'larına bağlıdır. Framework'süz CSS3.
   ============================================================ */

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

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

body {
  margin: 0;
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--space-sm);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
}
h1 { font-size: var(--font-size-2xl); }
h2 { font-size: var(--font-size-xl); }
h3 { font-size: var(--font-size-lg); }
h4, h5, h6 { font-size: var(--font-size-md); }

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

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

img, svg { vertical-align: middle; }
svg { display: inline-block; }

ul, ol { margin: 0; padding: 0; }

hr {
  border: 0;
  border-top: 1px solid var(--color-border);
  margin: var(--space-md) 0;
}

button { font-family: inherit; }

code, pre, kbd {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
}

::selection { background: var(--color-accent-soft); color: var(--color-text-primary); }

/* Görünür klavye odak halkası — taban kural (bileşenler override edebilir). */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* İnce, modern kaydırma çubuğu (vendor scrollbar yerine). */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}
*::-webkit-scrollbar { width: 8px; height: 8px; }
*::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: var(--border-radius-full); }
*::-webkit-scrollbar-track { background: transparent; }

/* prefers-reduced-motion: gerekli olmayan tüm animasyon/geçişleri kapat. */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}