/* ==========================================================================
   Schatz Elektrotechnik – Basis
   Fonts, Reset, Elemente, Typografie, Buttons, Utilities
   ========================================================================== */

@layer reset, base;

/* ---------- Fonts (lokal gehostet, DSGVO-konform) ----------
   Eine Datei für alle Schnitte – identisch zur bisherigen Seite. */
@font-face {
  font-family: "Montserrat";
  src: url("../fonts/montserrat.woff2") format("woff2");
  font-weight: 100;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Montserrat";
  src: url("../fonts/montserrat.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Montserrat";
  src: url("../fonts/montserrat.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Montserrat";
  src: url("../fonts/montserrat.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

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

  * {
    margin: 0;
  }

  html {
    -moz-text-size-adjust: none;
    -webkit-text-size-adjust: none;
    text-size-adjust: none;
    scrollbar-gutter: stable;
  }

  ul[class]:not(.prose),
  ol[class]:not(.prose) {
    padding: 0;
    list-style: none;
  }

  body {
    min-block-size: 100svh;
    display: flex;
    flex-direction: column;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
  }

  main {
    flex-grow: 1;
  }

  a:not([class]) {
    text-decoration-skip-ink: auto;
  }

  /* Medien und alleinstehende Links als Block */
  img,
  picture,
  video,
  canvas,
  svg,
  a:not(p > a, span > a, h1 > a, h2 > a, h3 > a, h4 > a, h5 > a, h6 > a, li > a, em > a, q > a, label > a, strong > a, figcaption > a) {
    max-inline-size: 100%;
    height: auto;
    display: block;
  }

  input,
  button,
  textarea,
  select {
    font: inherit;
    font-size: inherit;
  }

  button {
    cursor: pointer;
    background-color: transparent;
    border: none;
    color: currentColor;
  }

  textarea:not([rows]) {
    min-height: 10em;
  }

  p,
  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    overflow-wrap: break-word;
  }

  figure > img {
    inline-size: 100%;
  }

  img {
    block-size: auto;
  }
}

/* ---------- Dokument ---------- */
:root {
  color-scheme: light only;
  interpolate-size: allow-keywords;
}

html {
  font-size: var(--root-font-size);
  scroll-behavior: smooth;
}

html:has(:focus-visible) {
  scroll-behavior: auto;
}

:where(body) {
  font-size: var(--text-m);
  overflow-x: clip;
  font-family: var(--text-font-family);
  color: var(--text-color);
  line-height: var(--text-line-height);
  text-wrap: var(--text-text-wrap);
  background: var(--body-bg-color);
}

[id] {
  scroll-margin-top: var(--offset, 0);
}

/* ---------- Typografie ---------- */
:where(p) {
  line-height: var(--text-line-height, calc(6px + 2ex));
}

body :where(p, h1, h2, h3, h4, h5, h6, ul, ol, li) {
  margin-block: 0;
}

:where(dd) {
  margin-inline-start: 0;
}

h1,
h2,
h3,
h4,
h5,
h6,
:where(.u-h3) {
  font-family: var(--heading-font-family);
  color: var(--heading-color);
  line-height: var(--heading-line-height);
  font-weight: var(--heading-font-weight);
  text-wrap: var(--heading-text-wrap);
}

h1 {
  font-size: var(--h1);
  max-width: var(--h1-max-width);
}
h2 {
  font-size: var(--h2);
}
h3,
.u-h3 {
  font-size: var(--h3);
}
h4 {
  font-size: var(--h4);
  line-height: var(--h4-line-height);
}
h5 {
  font-size: var(--h5);
}
h6 {
  font-size: var(--h6);
}

body a:where(:not(.btn)) {
  color: var(--link-color, var(--primary));
  font-weight: var(--link-weight, inherit);
  text-decoration: var(--link-decoration, inherit);
  text-underline-offset: var(--link-underline-offset, auto);
}

@media (hover: hover) and (pointer: fine) {
  body a:where(:not(.btn)):hover {
    color: var(--link-color-hover, var(--primary-hover));
  }
}

body figure {
  margin: 0;
}

:where(img:not(.site-header img), figure:not(figure:has(img))) {
  border-radius: var(--radius);
}

/* Zitate */
:where(blockquote:not(figure > blockquote), figure:has(> blockquote)) {
  display: flex;
  flex-direction: column;
  gap: var(--blockquote-gap);
  inline-size: 100%;
  padding: var(--blockquote-padding);
  border-width: var(--blockquote-border-width);
  border-style: var(--blockquote-border-style);
  border-color: var(--blockquote-border-color);
  border-radius: var(--blockquote-border-radius);
  background: var(--blockquote-background);
  box-shadow: var(--blockquote-box-shadow);
  text-wrap: pretty;
}

:where(blockquote:not(figure > blockquote), figure:has(> blockquote)) p {
  color: var(--blockquote-text-color);
  font-family: var(--blockquote-text-font-family);
  font-style: var(--blockquote-text-font-style);
  font-size: var(--blockquote-text-font-size);
  font-weight: var(--blockquote-text-font-weight);
  line-height: var(--blockquote-text-line-height);
  text-align: var(--blockquote-text-text-align);
  text-transform: var(--blockquote-text-text-transform);
}

:where(blockquote:not(figure > blockquote), figure:has(> blockquote)) cite {
  font-family: var(--blockquote-cite-font-family);
  font-size: var(--blockquote-cite-font-size);
  font-weight: var(--blockquote-cite-font-weight);
  font-style: var(--blockquote-cite-font-style);
  line-height: var(--blockquote-cite-line-height);
  text-transform: var(--blockquote-cite-text-transform);
  color: var(--blockquote-cite-color);
}

/* ---------- Fokus ---------- */
:focus {
  outline: none;
  box-shadow: none;
}

:focus-visible {
  outline-style: solid;
  outline-color: var(--focus-color);
  outline-width: var(--focus-width);
  outline-offset: var(--focus-offset);
}

/* ---------- Buttons ---------- */
button:not(.btn):where(:not(.nav *, .nav-toggle)) {
  line-height: var(--btn-line-height);
  letter-spacing: var(--btn-letter-spacing);
  text-transform: var(--btn-text-transform);
  text-decoration: var(--btn-text-decoration);
  text-align: var(--btn-text-align);
  font-weight: var(--btn-font-weight);
  font-style: var(--btn-font-style);
  font-family: var(--btn-font-family);
}

.btn {
  background: var(--btn-background);
  color: var(--btn-text-color);
  padding-block: var(--btn-padding-block);
  padding-inline: var(--btn-padding-inline);
  inline-size: var(--btn-width, auto);
  min-inline-size: var(--btn-min-width);
  line-height: var(--btn-line-height);
  font-family: var(--btn-font-family);
  font-size: var(--btn-font-size, var(--text-m));
  font-weight: var(--btn-font-weight);
  font-style: var(--btn-font-style);
  text-transform: var(--btn-text-transform);
  letter-spacing: var(--btn-letter-spacing);
  text-decoration: var(--btn-text-decoration);
  border-width: var(--btn-border-width);
  border-style: var(--btn-border-style);
  border-radius: var(--btn-border-radius);
  border-color: var(--btn-border-color);
  justify-content: var(--btn-justify-content, center);
  align-items: var(--btn-align-items, center);
  text-align: var(--btn-text-align, center);
  display: var(--btn-display, inline-flex);
}

@media (hover: hover) and (pointer: fine) {
  .btn:hover {
    background: var(--btn-background-hover);
    color: var(--btn-text-color-hover);
    border-color: var(--btn-border-color-hover);
    text-decoration: var(--btn-text-decoration-hover);
  }
}

.btn--primary {
  --btn-background: var(--primary);
  --btn-background-hover: var(--primary-hover);
  --btn-text-color: #f2f0ef;
  --btn-text-color-hover: var(--primary-ultra-light);
  --btn-border-color: var(--btn-background);
  --btn-border-color-hover: var(--btn-background-hover);
  --focus-color: var(--primary-light);
}

.btn--primary.btn--outline {
  --btn-background: transparent;
  --btn-background-hover: var(--primary-hover);
  --btn-text-color: var(--primary);
  --btn-text-color-hover: var(--primary-ultra-light);
  --btn-border-width: 1.5px;
  --btn-border-color: var(--primary);
  --btn-border-color-hover: var(--btn-background-hover);
  --focus-color: var(--primary-semi-light);
}

/* ---------- Layout-Grundbausteine ---------- */
/* Sektion: Seitenrand, vertikaler Rhythmus, Inhalte untereinander */
:where(.section) {
  display: flex;
  flex-direction: column;
  padding-block: var(--section-padding-block);
  padding-inline: var(--gutter);
  gap: var(--container-gap);
}

:where(.section) > :where(div, ul, ol) {
  gap: var(--content-gap);
}

/* zentrierte Spalte in voller Breite */
:where(.section--centered, .center-stack) {
  inline-size: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Container: zentriert auf Inhaltsbreite */
:where(.container) {
  inline-size: 100%;
  display: flex;
  flex-direction: column;
  max-inline-size: var(--content-width, 1366px);
  align-self: center;
  margin-inline: auto;
}

/* Stack: vertikaler Fluss mit Standardabstand */
:where(.stack) {
  inline-size: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--content-gap);
}

:where(.embed) {
  inline-size: 100%;
  height: auto;
  aspect-ratio: 16/9;
}

/* ---------- Fließtext (Redaktionsinhalte) ---------- */
.prose {
  row-gap: 0 !important;
}
.prose > * + * {
  margin-block-start: var(--flow-spacing, initial);
  margin-block-end: 0;
}
.prose > * + :where(h1, h2, h3, h4, h5, h6) {
  margin-block-start: var(--heading-spacing, var(--flow-spacing, initial));
  margin-block-end: 0;
}
.prose > * + p {
  margin-block-start: var(--paragraph-spacing, var(--flow-spacing, initial));
  margin-block-end: 0;
}
.prose > :is(* + ul, * + ol) {
  margin-block: var(--list-spacing, var(--flow-spacing, initial));
}
.prose > :is(* + ul, * + ol):last-child {
  margin-block-end: 0;
}
.prose > :is(ul, ol) {
  padding-inline-start: var(--list-indent-spacing, var(--flow-spacing, initial));
}
.prose > ul * + li,
.prose > ol * + li {
  margin-block-start: var(--list-item-spacing, var(--flow-spacing, initial));
  margin-block-end: 0;
}
.prose > :is(ul, ol) :is(ul, ol) {
  margin-block: var(--list-item-spacing, initial);
  padding-inline-start: var(--nested-list-indent-spacing, initial);
}
.prose > * + figure,
.prose > * + picture {
  margin-block: var(--figure-spacing, var(--flow-spacing, initial));
}
.prose > * + figure:last-child,
.prose > * + picture:last-child {
  margin-block-end: 0;
}
.prose figcaption {
  margin-block: var(--figcaption-spacing, var(--flow-spacing, initial));
}
.prose > * + blockquote {
  margin-block: var(--blockquote-spacing, var(--flow-spacing, initial));
}
.prose > * + blockquote:last-child {
  margin-block-end: 0;
}
.prose > blockquote * + * {
  margin-block-start: var(--paragraph-spacing, var(--flow-spacing, initial));
  margin-block-end: 0;
}
.prose > :is(figure, picture, blockquote, ul, ol):where(:not(:first-child)) + * {
  --paragraph-spacing: 0;
  --flow-spacing: 0;
}
.prose
  > :is(figure, picture, blockquote, ul, ol):where(:not(:first-child)):has(
    + :is(ul, ol, figure, picture, blockquote, h1, h2, h3, h4, h5, h6)
  ) {
  margin-block-end: 0;
}

/* ---------- Utilities ---------- */
.u-visually-hidden {
  border: 0;
  clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  width: 1px;
  white-space: nowrap;
}

.u-ratio-16-9 {
  aspect-ratio: 16/9;
  object-fit: cover;
}
.u-ratio-3-2 {
  aspect-ratio: 3/2;
  object-fit: cover;
}
.u-height-440 {
  width: auto;
  height: 440px;
}
.u-flip-x {
  transform: scaleX(-1);
}

/* gestreifter Hintergrund */
.u-stripes-pattern-bg {
  background-color: color-mix(in oklch, var(--base) 20%, transparent);
  background-image: var(--pattern-stripes);
  background-repeat: repeat;
}

/* ganze Karte klickbar */
.u-clickable-parent {
  position: relative;
  flex-direction: column;
}
.u-clickable-parent a::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 10;
}

.u-focus-parent:focus-within {
  outline: var(--focus-width, 1.5px) solid var(--focus-color, blue);
  outline-offset: var(--focus-offset, 0);
}
.u-focus-parent:focus-within:not(:has(:focus-visible)) {
  outline: none;
  outline-offset: 0;
  box-shadow: none;
}
.u-focus-parent :focus {
  outline: none !important;
  box-shadow: none !important;
}

/* ---------- Skip-Link ---------- */
.skip-link {
  position: fixed;
  inset-block-start: 0;
  inset-inline-start: 1rem;
  z-index: 100000;
  padding: 0.75rem 1.25rem;
  background: #111;
  color: #fff !important;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 0 0 8px 8px;
  box-shadow: 0 4px 16px rgb(0 0 0 / 25%);
  transform: translateY(-150%);
  transition: transform 0.2s ease;
}
.skip-link:focus-visible {
  transform: translateY(0);
}

/* ---------- Reduzierte Bewegung ---------- */
@media (prefers-reduced-motion: reduce) {
  html:focus-within {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}