/*
 * =============================================================
 *  BASE — reset, typografia, základné elementy
 * =============================================================
 */

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

/* ── Body ── */
body {
  font-family: var(--font-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-gray-bg);
  -webkit-font-smoothing: antialiased;
}

/* ── Typografia ── */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-semi);
  line-height: var(--line-height-heading);
  color: var(--color-text);
}

p {
  line-height: var(--line-height-base);
}

a {
  color: var(--color-green);
  text-decoration: underline;
  transition: color 0.2s;
}

a:hover {
  color: var(--color-purple);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ── Utility ── */
.text-center { text-align: center; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}