/* ============================================================
   Fryzjer Kasia: reset, typografia bazowa, elementy wspólne
   ============================================================ */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + var(--sp-2));
}

body {
  margin: 0;
  background-color: var(--bg);
  background-image:
    radial-gradient(circle at 18% 12%, rgba(220, 211, 194, 0.5) 0, rgba(220, 211, 194, 0) 42%),
    radial-gradient(circle at 84% 68%, rgba(168, 183, 156, 0.22) 0, rgba(168, 183, 156, 0) 46%);
  background-attachment: fixed;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  font-weight: 400;
  overflow-x: hidden;
}

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

img {
  height: auto;
}

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

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

figure,
blockquote,
dl,
dd {
  margin: 0;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: var(--track-display);
  line-height: var(--lh-snug);
  margin: 0;
  text-wrap: balance;
}

h1 {
  font-size: var(--fs-h1);
  line-height: var(--lh-tight);
}

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

h3 {
  font-size: var(--fs-h3);
}

p {
  margin: 0 0 var(--sp-2);
  text-wrap: pretty;
}

p:last-child {
  margin-bottom: 0;
}

::selection {
  background: var(--moss-300);
  color: var(--bark-900);
}

:focus-visible {
  outline: 2px solid var(--moss-600);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

/* ---- układ ---- */

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--narrow {
  max-width: var(--container-narrow);
}

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

.section--tight {
  padding-block: calc(var(--section-y) * 0.66);
}

.section--alt {
  background: var(--bg-alt);
}

.full-bleed {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  position: relative;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--bark-900);
  color: var(--cream);
  padding: var(--sp-1) var(--sp-2);
}

.skip-link:focus {
  left: var(--sp-2);
  top: var(--sp-1);
}

/* ---- elementy typograficzne ---- */

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--fs-eyebrow);
  font-weight: 700;
  letter-spacing: var(--track-eyebrow);
  text-transform: uppercase;
  color: var(--moss-600);
  margin: 0;
}

.on-dark .eyebrow {
  color: var(--moss-300);
}

.lede {
  font-size: var(--fs-lede);
  line-height: 1.5;
  color: var(--ink-soft);
  max-width: 56ch;
}

.on-dark .lede {
  color: var(--cream-soft);
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  max-width: 46ch;
  margin-bottom: var(--sp-5);
}

.section-head h2 {
  color: var(--accent-deep);
}

.on-dark .section-head h2 {
  color: var(--cream);
}

.emph {
  font-style: italic;
  font-weight: 300;
}

/* ---- SYGNATURA: comb-rule (zęby grzebienia) ---- */

.comb-rule {
  display: block;
  height: var(--comb-h);
  width: 100%;
  background-image:
    linear-gradient(to right, var(--comb-tooth) var(--comb-w), transparent var(--comb-w)),
    linear-gradient(to bottom, transparent calc(var(--comb-h) - 1px), var(--comb-base) calc(var(--comb-h) - 1px));
  background-size: var(--comb-gap) 100%, 100% 100%;
  background-repeat: repeat-x, no-repeat;
  opacity: 0.85;
}

.comb-rule--short {
  width: 92px;
  flex: none;
}

.comb-rule--light {
  --comb-tooth: var(--moss-300);
  --comb-base: rgba(242, 237, 224, 0.38);
  opacity: 0.9;
}

.comb-rule--leader {
  height: 7px;
  opacity: 0.55;
  align-self: center;
  --comb-h: 7px;
  --comb-gap: 6px;
}

/* ---- przyciski ---- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55em;
  min-height: 48px;
  padding: 0.75em 1.6em;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--moss-600);
  color: var(--paper-050);
  border-color: var(--moss-600);
}

.btn-primary:hover {
  background: var(--moss-700);
  border-color: var(--moss-700);
}

.btn-ghost {
  background: transparent;
  color: var(--accent-deep);
  border-color: var(--linen-500);
}

.btn-ghost:hover {
  border-color: var(--moss-600);
  background: rgba(92, 115, 81, 0.08);
}

.on-dark .btn-ghost {
  color: var(--cream);
  border-color: rgba(242, 237, 224, 0.45);
}

.on-dark .btn-ghost:hover {
  border-color: var(--cream);
  background: rgba(242, 237, 224, 0.12);
}

.btn-block {
  width: 100%;
}

/* ---- odsłanianie przy przewijaniu ---- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}