/* ============================================
   VERAMI.STUDIO — base.css
   Reset, typografia, globalne style
   ============================================ */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: var(--leading-normal);
  color: var(--color-dark);
  background-color: var(--color-light);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ---- Elementy bazowe ---- */
img,
video,
picture {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Lazy loading — obraz zanim sie zaladuje */
img[loading="lazy"] {
  opacity: 0;
  transition: opacity 0.6s var(--ease-out);
}

img.loaded,
img[loading="lazy"].is-loaded {
  opacity: 1;
}

/* WebP fallback przez picture */
picture img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

button,
input,
textarea,
select {
  font: inherit;
  border: none;
  background: none;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

button {
  cursor: pointer;
}

/* ---- Typografia ---- */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-body);
  font-weight: 300;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-dark);
}

p {
  line-height: var(--leading-normal);
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
  width: 5px;
}

::-webkit-scrollbar-track {
  background: var(--color-light);
}

::-webkit-scrollbar-thumb {
  background: var(--color-dark-40);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-dark-80);
}

/* ---- Skip link — dostepnosc klawiaturowa ---- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 999;
  background: var(--color-dark);
  color: var(--color-light);
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  text-decoration: none;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 0;
}

/* ---- Zaznaczenie tekstu ---- */
::selection {
  background: var(--color-dark);
  color: var(--color-light);
}

/* ---- Focus visible (dostepnosc) ---- */
:focus-visible {
  outline: 2px solid var(--color-dark);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ---- Narzedzia pomocnicze ---- */

/* Ukryty wizualnie, dostepny dla czytnikow ekranu */
.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;
}

/* Label / eyebrow text */
.label {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-dark-40);
}

/* Kreska dekoracyjna */
.divider {
  display: block;
  width: 40px;
  height: 1px;
  background: var(--color-dark-40);
  margin-block: var(--space-8);
}

/* Sekcja ciemna — odwrocone kolory */
.section--dark .label {
  color: rgba(241, 242, 237, 0.5);
}

.section--dark .divider {
  background: rgba(241, 242, 237, 0.3);
}

.section--dark h1,
.section--dark h2,
.section--dark h3 {
  color: var(--color-light);
}