/* Culture Lab Bad Dürkheim – shared styles */

@font-face {
  font-family: "Montserrat";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/montserrat-700-latin.woff2") format("woff2");
}
@font-face {
  font-family: "Source Sans 3";
  font-style: normal;
  font-weight: 200 900;
  font-display: swap;
  src: url("../fonts/source-sans-3-latin.woff2") format("woff2");
}

:root {
  --bg: #000;
  --text: #fff;
  --btn-bg: #fff;
  --btn-text: rgb(50, 51, 53);
  --field-border: rgb(198, 198, 198);
  --overlay: rgba(0, 0, 0, 0.55);

  --font-head: "Montserrat", Arial, sans-serif;
  --font-body: "Source Sans 3", Arial, sans-serif;

  --header-h: 72px;
  --container: 1320px;
  --narrow: 730px;
  --gutter: 30px;
  --section-pad: 80px;

  --h1: 64px;
  --h2: 36px;
  --h3: 24px;
  --p: 18px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; }

h1, h2, h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.3;
}
h1 { font-size: var(--h1); }
h2 { font-size: var(--h2); }
h3 { font-size: var(--h3); }

p {
  margin: 0;
  font-size: var(--p);
  line-height: 1.6;
}

strong { font-weight: 600; }
.contact h2 + p a { text-decoration: none; }
.contact h2 + p a:hover { text-decoration: underline; }

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

.skip-link {
  position: absolute;
  left: 16px; top: -60px;
  z-index: 200;
  padding: 8px 16px;
  background: var(--btn-bg);
  color: var(--btn-text);
}
.skip-link:focus { top: 8px; }

:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }

/* ---------- Header ---------- */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  padding: 0 40px;
  background: var(--bg);
}

.site-header__brand {
  font-size: 16px;
  line-height: 1.6;
  text-decoration: none;
}

.site-nav {
  display: flex;
  align-items: center;
  margin-left: auto;
}

.site-nav__link {
  display: flex;
  align-items: center;
  height: 64px;
  padding: 0 20px;
  text-decoration: none;
}
.site-nav__link span { position: relative; }
.site-nav__link span::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 2px;
  background: currentColor;
  transform: scaleX(0);
  transition: transform 0.2s ease;
}
.site-nav__link:hover span::after,
.site-nav__link[aria-current="page"] span::after { transform: scaleX(1); }

.site-header__social {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-left: 32px;
}
.site-header__social svg { width: 22px; height: 22px; }

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  margin-left: 8px;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  cursor: pointer;
}
.menu-toggle svg { width: 24px; height: 24px; margin: auto; }

/* Mobile drawer */
.drawer {
  position: fixed;
  inset: var(--header-h) 0 0 auto;
  z-index: 99;
  width: min(415px, 100%);
  padding: 40px 0;
  background: var(--bg);
  transform: translateX(100%);
  transition: transform 0.3s ease, visibility 0.3s;
  visibility: hidden;
  overflow-y: auto;
}
.drawer.is-open { transform: none; visibility: visible; }
.drawer__link {
  display: flex;
  align-items: center;
  height: 64px;
  padding: 0 20px;
  font-size: 16px;
  text-decoration: none;
}
.drawer__link[aria-current="page"] span { border-bottom: 2px solid currentColor; }

/* ---------- Layout ---------- */

main { padding-top: var(--header-h); }

.section { padding: var(--section-pad) 0; }

.container {
  width: 100%;
  max-width: calc(var(--container) + 2 * var(--gutter));
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.container--narrow { max-width: calc(var(--narrow) + 2 * var(--gutter)); }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gutter);
}
.split--center { align-items: center; }

.stack > * + * { margin-top: 20px; }
.stack > .stack__tight { margin-top: 0; }
.measure { max-width: 570px; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 30px;
  border: 0;
  border-radius: 25px;
  background: var(--btn-bg);
  color: var(--btn-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  text-decoration: none;
  cursor: pointer;
  transition: opacity 0.2s ease;
}
.btn:hover { opacity: 0.85; }
.btn[disabled] { opacity: 0.4; cursor: default; }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: calc(100vh - var(--header-h));
  min-height: calc(100svh - var(--header-h));
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: var(--overlay);
}
.hero__content {
  position: relative;
  z-index: 2;
  width: 520px;
  max-width: 100%;
  margin-left: 130px;
  padding: 80px 0;
}
.hero__content h1 { margin-bottom: 20px; }
.hero__content .btn { margin-top: 40px; }
.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 28px;
  z-index: 2;
  display: block;
  padding: 8px;
  transform: translateX(-50%);
}
.hero__scroll svg { display: block; width: 14px; height: 7px; }

/* ---------- Home sections ---------- */

.intro .btn { margin-top: 40px; }

.square-img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gutter);
}

/* Slider */
.slider {
  position: relative;
  max-width: calc(var(--container) + 2 * var(--gutter));
  margin: 0 auto;
  padding: 25px var(--gutter) 0;
}
.slider__viewport {
  width: 940px;
  max-width: 100%;
  margin: 0 auto;
  overflow: hidden;
}
.slider__track {
  display: flex;
  transition: transform 0.5s ease;
}
.slider__slide {
  flex: 0 0 100%;
  aspect-ratio: 940 / 564;
}
.slider__slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.slider__arrow {
  position: absolute;
  top: calc(25px + 282px);
  z-index: 2;
  display: flex;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 0;
  background: none;
  color: #fff;
  cursor: pointer;
  transform: translateY(-50%);
}
.slider__arrow svg { width: 14px; height: 26px; margin: auto; }
.slider__arrow--prev { left: calc(var(--gutter) - 70px); }
.slider__arrow--next { right: calc(var(--gutter) - 70px); }
.slider__dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 10px;
  margin-top: 40px;
}
.slider__dot {
  width: 10px;
  height: 10px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #fff;
  opacity: 0.5;
  cursor: pointer;
  transform: scale(0.3);
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.slider__dot[data-dist="1"] { transform: scale(0.7); }
.slider__dot[aria-current="true"] { opacity: 1; transform: none; }

/* ---------- Contact form ---------- */

.contact h2 + p { margin-top: 20px; }
.form { margin-top: 60px; }
.contact h2 + p + .form { margin-top: 60px; }
.form__row {
  display: grid;
  grid-template-columns: 394fr 415fr 471fr;
  gap: 20px;
}
.form__field { margin-bottom: 20px; }
.form__field label {
  display: block;
  margin-bottom: 10px;
  font-size: 18px;
  line-height: 1.5;
}
.form__field input,
.form__field textarea {
  display: block;
  width: 100%;
  height: 50px;
  padding: 0 15px;
  border: 1px solid var(--field-border);
  border-radius: 10px;
  background: #fff;
  color: var(--btn-text);
  font: inherit;
  font-size: 16px;
}
.form__field textarea {
  height: 148px;
  padding: 12px 15px;
  resize: vertical;
}
.form__consent {
  display: grid;
  grid-template-columns: 13px 1fr;
  gap: 8px;
  margin-top: 30px;
  font-size: 18px;
  line-height: 1.6;
}
.form__consent input { align-self: start; margin: 7px 0 0; accent-color: #fff; }
.form__consent p + p { margin-top: 28px; }
.form__submit { margin-top: 30px; text-align: center; }
.form__hp { display: none; }

/* ---------- Über uns accordion ---------- */

.accordion { padding-top: 15px; }
.accordion__item + .accordion__item { border-top: 1px solid #fff; }
.accordion__heading { margin: 0; font-size: var(--h3); }
.accordion__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  padding: 40px 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.accordion__item:first-child .accordion__trigger { padding-top: 0; }
.accordion__icon { flex: none; width: 24px; height: 24px; }
.accordion__icon .v { transition: opacity 0.2s ease; }
.accordion__trigger[aria-expanded="true"] .accordion__icon .v { opacity: 0; }
.accordion__panel { padding: 8px 0 40px; }
.accordion__panel[hidden] { display: none; }

/* ---------- Galerie ---------- */

.gallery-title { margin-bottom: 40px; }
.gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.gallery button {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  cursor: zoom-in;
}
.gallery img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
}
.lightbox[hidden] { display: none; }
.lightbox__img {
  max-width: calc(100vw - 160px);
  max-height: calc(100vh - 120px);
  object-fit: contain;
}
.lightbox__btn {
  position: absolute;
  display: flex;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 0;
  background: none;
  color: #fff;
  cursor: pointer;
  opacity: 0.8;
}
.lightbox__btn:hover { opacity: 1; }
.lightbox__btn svg { width: 20px; height: 20px; margin: auto; }
.lightbox__close { top: 12px; right: 12px; }
.lightbox__prev { left: 16px; top: 50%; transform: translateY(-50%); }
.lightbox__next { right: 16px; top: 50%; transform: translateY(-50%); }
.lightbox__prev svg,
.lightbox__next svg { width: 14px; height: 26px; }
.lightbox__counter {
  position: absolute;
  top: 22px;
  left: 24px;
  font-size: 14px;
  opacity: 0.8;
}

/* ---------- Legal pages ---------- */

.legal p { margin: 0; overflow-wrap: anywhere; hyphens: auto; }

/* ---------- Footer ---------- */

.site-footer { padding: 60px 0; }
.site-footer__links {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 187px;
  margin-left: auto;
}
.site-footer__links a {
  padding: 4px 0;
  font-size: 16px;
  line-height: 1.6;
}
.site-footer__links a:hover { text-decoration: none; }

/* ---------- Responsive ---------- */

@media (max-width: 1280px) {
  :root {
    --h1: 40px;
    --h2: 24px;
    --h3: 18px;
    --p: 16px;
  }
  .slider__arrow--prev { left: 0; }
  .slider__arrow--next { right: 0; }
  .slider { padding-left: 60px; padding-right: 60px; }
  .slider__arrow { top: calc(25px + (100% - 25px - 50px) / 2); }
}

@media (max-width: 1024px) {
  .hero__content { margin-left: var(--gutter); }
  .gallery { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 800px) {
  :root {
    --gutter: 20px;
    --section-pad: 50px;
  }
  .site-header { padding: 0 12px 0 20px; }
  .site-nav { display: none; }
  .site-header__social { margin-left: auto; }
  .menu-toggle { display: flex; }

  .hero__content { margin: 0 var(--gutter); padding: 60px 0; }

  .split { grid-template-columns: 1fr; gap: 40px; }
  .tiles { grid-template-columns: 1fr; gap: 20px; }

  .slider { padding-left: 0; padding-right: 0; }
  .slider__arrow { display: none; }
  .slider__dots { margin-top: 24px; }

  .form__row { grid-template-columns: 1fr; gap: 0; }
  .form { margin-top: 40px; }
  .form__field label,
  .form__consent { font-size: 16px; }

  .accordion__trigger { padding: 30px 0; }
  .accordion__panel { padding: 0 0 30px; }

  .gallery { grid-template-columns: repeat(2, 1fr); }
  .lightbox__img { max-width: 100vw; max-height: calc(100vh - 140px); }
  .lightbox__prev,
  .lightbox__next { top: auto; bottom: 16px; transform: none; }

  .site-footer__links { margin: 0 auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}