/* ==========================================================================
   GranitLab – base: fonty, reset, typografia, narzędzia
   Jedna rodzina: Geist (nagłówki i tekst) + Geist Mono (etykiety). Self-hosted (Fontsource, OFL).
   Podzbiory latin + latin-ext są rozdzielone przez unicode-range; latin-ext zawiera ą ę ś ć ż ź ł ń.
   ========================================================================== */

@font-face {
  font-family: 'Geist';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('/assets/fonts/geist-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Geist';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('/assets/fonts/geist-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Geist Mono';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('/assets/fonts/geist-mono-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Geist Mono';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('/assets/fonts/geist-mono-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* Fonty zastępcze dopasowane metrycznie (zmierzone w przeglądarce względem Arial),
   żeby podmiana fontu po doładowaniu nie przesuwała układu (CLS). */
@font-face {
  font-family: 'Geist Fallback';
  font-weight: 100 599;
  src: local('Arial'), local('ArialMT');
  size-adjust: 103.1%;
  ascent-override: 98%;
  descent-override: 29.1%;
  line-gap-override: 0%;
}
@font-face {
  font-family: 'Geist Fallback';
  font-weight: 600 900;
  src: local('Arial Bold'), local('Arial-BoldMT'), local('Arial');
  size-adjust: 104.4%;
  ascent-override: 96.8%;
  descent-override: 28.7%;
  line-gap-override: 0%;
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 24px);
  interpolate-size: allow-keywords;
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}

h1,
h2,
h3,
h4,
p,
ul,
ol,
dl,
dd,
figure,
blockquote {
  margin: 0;
}

ul[role='list'],
ol[role='list'] {
  list-style: none;
  padding: 0;
}

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

svg {
  flex-shrink: 0;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

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

[hidden] {
  display: none !important;
}

::selection {
  background: color-mix(in srgb, var(--brand) 38%, transparent);
  color: var(--text);
}

:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------- Typografia ---------- */
h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: var(--lh-display);
  letter-spacing: var(--ls-display);
  text-wrap: balance;
  color: var(--text);
}

h1 {
  font-size: var(--fs-h1);
}

h2 {
  font-size: var(--fs-h2);
  line-height: 1.04;
}

h3 {
  font-size: var(--fs-h3);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

p {
  text-wrap: pretty;
}

.lead {
  font-size: var(--fs-lead);
  line-height: 1.65;
  color: var(--text-2);
  max-width: 60ch;
}

.mono,
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.4;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75em;
  color: var(--text-3);
}

.eyebrow__index {
  display: inline-flex;
  align-items: center;
  gap: 0.75em;
  color: var(--link);
}

.eyebrow__index::after {
  content: '';
  width: 28px;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
}

/* ---------- Układ ---------- */
.container {
  width: 100%;
  max-width: calc(var(--container) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  position: relative;
  padding-block: var(--section-pad);
}

/* ---------- Narzędzia ---------- */
.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: var(--radius-btn);
  background: var(--cta-bg);
  color: var(--cta-fg);
  font-weight: 600;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform var(--dur-1) var(--ease);
}

.skip-link:focus-visible {
  transform: none;
}

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

.icon {
  width: 1.25em;
  height: 1.25em;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

/* Ziarno granitu: nakładka szumu na duże powierzchnie */
.grain {
  position: relative;
  isolation: isolate;
}

.grain::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: var(--noise);
  background-size: 220px 220px;
  opacity: var(--noise-opacity);
  mix-blend-mode: overlay;
  border-radius: inherit;
}

:root[data-theme='light'] .grain::after {
  mix-blend-mode: multiply;
}