/* ==========================================================================
   Temel: sıfırlama, tipografi, yardımcı sınıflar
   ========================================================================== */
*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: var(--header-height); }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { color: var(--ink); margin: 0 0 0.5em; line-height: 1.2; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
blockquote, figure, dl, dd { margin: 0; }
fieldset { margin: 0; padding: 0; border: 0; min-width: 0; }
legend { padding: 0; }
button { font: inherit; }

:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 4px; }

.container { width: min(var(--container), 100% - 2 * var(--gutter)); margin-inline: auto; }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 200;
  padding: 10px 16px; border-radius: var(--radius-sm);
  background: var(--navy-800); color: var(--white); font-weight: 600;
  transition: top 0.2s;
}
.skip-link:focus { top: 16px; }

.mobile-only { display: none; }

@media (max-width: 640px) {
  body { font-size: 15px; }
  .mobile-only { display: initial; }
}

/* Kaydırınca beliren içerik (js/modules/reveal.js) */
.js [data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.js [data-reveal].is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js [data-reveal] { opacity: 1; transform: none; transition: none; }
}