/* =====================================================================
   CSPULSE — Sifirlama ve temel elemanlar
   ===================================================================== */

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

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

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--fs-md);
  line-height: var(--lh-normal);
  font-feature-settings: "cv05" 1, "ss01" 1;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--lh-tight);
  letter-spacing: -.015em;
  color: var(--ink);
}

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

p { margin: 0 0 var(--s-4); }
p:last-child { margin-bottom: 0; }

a {
  color: var(--signal);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease);
}
a:hover { color: var(--ink); }

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

ul, ol { margin: 0 0 var(--s-4); padding-left: var(--s-5); }
li { margin-bottom: var(--s-1); }

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

button { cursor: pointer; background: none; border: 0; padding: 0; }

:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

::selection {
  background: var(--signal);
  color: var(--ink-inverse);
}

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: var(--s-8) 0;
}

code, kbd, samp {
  font-family: var(--font-mono);
  font-size: .9em;
}

/* ---- Yardimci siniflar --------------------------------------------- */

/* Mono etiket: sitenin tipografik imzasi.
   Tum bolum basliklarinda, tablo baslıklarında ve rozetlerde kullanilir. */
.label {
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  font-weight: 500;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--ink-3);
}

/* Sayisal deger: hizalanmis rakamlar */
.tnum {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

.muted    { color: var(--ink-2); }
.dim      { color: var(--ink-3); }
.tiny     { font-size: var(--fs-xs); }
.center   { text-align: center; }
.right    { text-align: right; }
.nowrap   { white-space: nowrap; }
.stack-2  { display: grid; gap: var(--s-2); }
.stack-3  { display: grid; gap: var(--s-3); }
.stack-4  { display: grid; gap: var(--s-4); }
.stack-6  { display: grid; gap: var(--s-6); }
.row      { display: flex; align-items: center; gap: var(--s-3); }
.row-wrap { display: flex; align-items: center; gap: var(--s-3); flex-wrap: wrap; }
.spread   { display: flex; align-items: center; justify-content: space-between; gap: var(--s-3); }
.grow     { flex: 1 1 auto; min-width: 0; }

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

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}