/* modus.konzept — Global Styles */

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

:root {
  --black: #111111;
  --white: #fafafa;
  --grey: #f0f0f0;
  --grey-mid: #dcdcdc;
  --text-grey: #999999;
  --font: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background-color: var(--white);
  color: var(--black);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ─── NAV ─── */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 48px;
  background: var(--white);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}

.nav.scrolled {
  border-bottom-color: var(--grey-mid);
}

.nav__logo {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: lowercase;
}

.nav__links {
  display: flex;
  gap: 36px;
  list-style: none;
  align-items: center;
}

.nav__links a {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--text-grey);
  transition: color 0.2s;
}

.nav__links a:hover {
  color: var(--black);
}

.nav__links a.active {
  color: var(--black);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 20px;
  height: 1px;
  background: var(--black);
}

/* ─── MOBILE NAV ─── */

.nav__mobile {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--white);
  z-index: 99;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 36px;
}

.nav__mobile.open {
  display: flex;
}

.nav__mobile a {
  font-size: 22px;
  font-weight: 400;
  letter-spacing: 0.04em;
}

/* ─── PAGE WRAPPER ─── */

.page-content {
  padding-top: 57px;
}

/* ─── HERO EXHIBITION (Homepage) ─── */

.exhibition-entry {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
  border-bottom: 1px solid var(--black);
}

.exhibition-entry:nth-child(even) {
  direction: rtl;
}

.exhibition-entry:nth-child(even) > * {
  direction: ltr;
}

.exhibition-entry__image {
  position: relative;
  overflow: hidden;
  background: var(--grey);
}

.exhibition-entry__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.exhibition-entry:hover .exhibition-entry__image img {
  transform: scale(1.03);
}

.exhibition-entry__content {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 60px 56px;
  border-left: 1px solid var(--black);
}

.exhibition-entry:nth-child(even) .exhibition-entry__content {
  border-left: none;
  border-right: 1px solid var(--black);
}

.exhibition-entry__meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.exhibition-entry__category {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-grey);
}

.exhibition-entry__date {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-grey);
}

.exhibition-entry__title {
  font-size: clamp(28px, 3.5vw, 52px);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin-top: 24px;
}

.exhibition-entry__artist {
  font-size: 14px;
  letter-spacing: 0.05em;
  color: var(--text-grey);
  margin-top: 10px;
}

.exhibition-entry__description {
  font-size: 14px;
  line-height: 1.7;
  color: #444;
  margin-top: 28px;
  max-width: 420px;
}

.exhibition-entry__cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 40px;
  border-bottom: 1px solid var(--black);
  padding-bottom: 2px;
  transition: opacity 0.2s;
  width: fit-content;
}

.exhibition-entry__cta:hover {
  opacity: 0.5;
}

.exhibition-entry__cta svg {
  width: 18px;
  height: 18px;
}

/* ─── PAGE HERO ─── */

.page-hero {
  height: 60vh;
  min-height: 400px;
  position: relative;
  overflow: hidden;
  background: var(--black);
}

.page-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
}

.page-hero__title {
  position: absolute;
  bottom: 48px;
  left: 48px;
  color: var(--white);
  font-size: clamp(32px, 5vw, 72px);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1;
}

/* ─── SECTION HEADER ─── */

.section-header {
  padding: 80px 48px 32px;
  border-bottom: 1px solid var(--grey-mid);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}

.section-header__title {
  font-size: clamp(22px, 2.5vw, 34px);
  font-weight: 400;
  letter-spacing: -0.01em;
}

.section-header__sub {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-grey);
}

/* ─── GRID EXHIBITIONS ─── */

.grid-exhibitions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-left: 1px solid var(--grey-mid);
}

.grid-item {
  border-right: 1px solid var(--grey-mid);
  border-bottom: 1px solid var(--grey-mid);
}

.grid-item__image {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--grey);
}

.grid-item__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.grid-item:hover .grid-item__image img {
  transform: scale(1.05);
}

.grid-item__content {
  padding: 28px 28px 32px;
}

.grid-item__category {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-grey);
}

.grid-item__title {
  font-size: 20px;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-top: 8px;
  line-height: 1.2;
}

.grid-item__artist {
  font-size: 12px;
  color: var(--text-grey);
  margin-top: 4px;
}

.grid-item__date {
  font-size: 11px;
  color: var(--text-grey);
  margin-top: 3px;
  letter-spacing: 0.05em;
}

.grid-item__desc {
  font-size: 13px;
  line-height: 1.65;
  color: #444;
  margin-top: 14px;
}

.grid-item__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 20px;
  border-bottom: 1px solid var(--grey-mid);
  padding-bottom: 2px;
  transition: opacity 0.2s;
}

.grid-item__cta:hover {
  opacity: 0.5;
}

/* ─── EVENT DETAIL PAGE ─── */

.event-header {
  padding: 80px 48px 60px;
  border-bottom: 1px solid var(--grey-mid);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: end;
}

.event-header__left {}

.event-header__category {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-grey);
}

.event-header__title {
  font-size: clamp(40px, 5vw, 80px);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-top: 16px;
}

.event-header__artist {
  font-size: 16px;
  color: var(--text-grey);
  margin-top: 12px;
  letter-spacing: 0.02em;
}

.event-header__date {
  font-size: 12px;
  color: var(--text-grey);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 6px;
}

.event-header__right {}

.event-header__description {
  font-size: 15px;
  line-height: 1.8;
  color: #333;
}

/* ─── EVENT HERO IMAGE ─── */

.event-hero {
  width: 100%;
  height: 70vh;
  overflow: hidden;
  background: var(--grey);
}

.event-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ─── EVENT GALLERY ─── */

.event-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  padding: 2px;
  background: var(--grey-mid);
  margin: 2px;
}

.event-gallery img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.event-gallery.three-col {
  grid-template-columns: repeat(3, 1fr);
}

/* ─── EVENT TEXT SECTIONS ─── */

.event-section {
  padding: 72px 48px;
  border-bottom: 1px solid var(--grey-mid);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.event-section__label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-grey);
  margin-bottom: 16px;
}

.event-section__text {
  font-size: 15px;
  line-height: 1.8;
  color: #333;
}

.event-section__text + .event-section__text {
  margin-top: 16px;
}

.event-section--full {
  grid-template-columns: 1fr;
  max-width: 760px;
}

/* ─── ARTIST BIO ─── */

.artist-bio {
  padding: 56px 48px;
  border-bottom: 1px solid var(--grey-mid);
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 60px;
}

.artist-bio__label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-grey);
}

.artist-bio__name {
  font-size: 22px;
  font-weight: 400;
  margin-top: 10px;
}

.artist-bio__info {
  font-size: 13px;
  line-height: 1.7;
  color: #555;
  margin-top: 12px;
}

.artist-bio__links {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 20px;
}

.artist-bio__links a {
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--text-grey);
  border-bottom: 1px solid var(--grey-mid);
  padding-bottom: 2px;
  width: fit-content;
  transition: color 0.2s;
}

.artist-bio__links a:hover {
  color: var(--black);
}

.artist-bio__text {
  font-size: 15px;
  line-height: 1.8;
  color: #333;
}

/* ─── PROJEKTRAUM PAGE ─── */

.projektraum-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 80vh;
  border-bottom: 1px solid var(--grey-mid);
}

.projektraum-intro__image {
  overflow: hidden;
  background: var(--grey);
}

.projektraum-intro__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.projektraum-intro__content {
  padding: 80px 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-left: 1px solid var(--grey-mid);
}

.projektraum-intro__label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-grey);
}

.projektraum-intro__title {
  font-size: clamp(36px, 4vw, 60px);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-top: 20px;
}

.projektraum-intro__text {
  font-size: 15px;
  line-height: 1.8;
  color: #333;
  margin-top: 32px;
  max-width: 460px;
}

/* ─── FEATURE BLOCKS ─── */

.feature-blocks {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-left: 1px solid var(--grey-mid);
}

.feature-block {
  padding: 60px 48px;
  border-right: 1px solid var(--grey-mid);
  border-bottom: 1px solid var(--grey-mid);
}

.feature-block__label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-grey);
}

.feature-block__title {
  font-size: 26px;
  font-weight: 400;
  margin-top: 12px;
  line-height: 1.2;
}

.feature-block__text {
  font-size: 14px;
  line-height: 1.7;
  color: #444;
  margin-top: 16px;
}

/* ─── ENTWICKLUNGEN PAGE ─── */

.entwicklungen-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-left: 1px solid var(--grey-mid);
}

.entwicklungen-item {
  border-right: 1px solid var(--grey-mid);
  border-bottom: 1px solid var(--grey-mid);
}

.entwicklungen-item__image {
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--grey);
}

.entwicklungen-item__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.entwicklungen-item:hover .entwicklungen-item__image img {
  transform: scale(1.05);
}

.entwicklungen-item__content {
  padding: 20px 20px 28px;
}

.entwicklungen-item__category {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-grey);
}

.entwicklungen-item__title {
  font-size: 16px;
  font-weight: 400;
  margin-top: 6px;
}

.entwicklungen-section {
  padding: 80px 48px;
  border-bottom: 1px solid var(--grey-mid);
}

.entwicklungen-section__title {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-grey);
  margin-bottom: 32px;
}

.entwicklungen-section__items {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.entwicklungen-section__item-title {
  font-size: 20px;
  font-weight: 400;
  margin-bottom: 12px;
}

.entwicklungen-section__item-text {
  font-size: 14px;
  line-height: 1.7;
  color: #444;
}

/* ─── IMPRESSUM / DATENSCHUTZ ─── */

.legal-content {
  max-width: 720px;
  padding: 80px 48px 120px;
}

.legal-content h1 {
  font-size: 38px;
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
}

.legal-content h2 {
  font-size: 16px;
  font-weight: 400;
  margin-top: 44px;
  margin-bottom: 12px;
  color: #333;
}

.legal-content p {
  font-size: 14px;
  line-height: 1.8;
  color: #555;
  margin-bottom: 10px;
}

.legal-content a {
  border-bottom: 1px solid var(--grey-mid);
  transition: border-color 0.2s;
}

.legal-content a:hover {
  border-bottom-color: var(--black);
}

/* ─── FOOTER ─── */

.footer {
  border-top: 1px solid var(--grey-mid);
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.footer__address {
  font-size: 12px;
  line-height: 1.8;
  color: #666;
  font-style: normal;
}

.footer__social {
  display: flex;
  gap: 24px;
  align-items: center;
  justify-content: center;
}

.footer__social a {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-grey);
  transition: color 0.2s;
}

.footer__social a:hover {
  color: var(--black);
}

.footer__nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-end;
}

.footer__nav a {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-grey);
  transition: color 0.2s;
}

.footer__nav a:hover {
  color: var(--black);
}

.footer__copy {
  grid-column: 1 / -1;
  border-top: 1px solid var(--grey-mid);
  padding-top: 24px;
  font-size: 11px;
  color: var(--text-grey);
  letter-spacing: 0.04em;
}

/* ─── BACK LINK ─── */

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 22px 48px;
  border-bottom: 1px solid var(--grey-mid);
  color: var(--text-grey);
  transition: color 0.2s;
  width: 100%;
}

.back-link:hover {
  color: var(--black);
}

.back-link svg {
  transform: rotate(180deg);
  width: 16px;
  height: 16px;
}

/* ─── RESPONSIVE ─── */

@media (max-width: 900px) {
  .nav {
    padding: 14px 20px;
  }

  .nav__links {
    display: none;
  }

  .nav__toggle {
    display: flex;
  }

  .exhibition-entry {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .exhibition-entry__image {
    aspect-ratio: 16/9;
  }

  .exhibition-entry:nth-child(even) {
    direction: ltr;
  }

  .exhibition-entry__content {
    padding: 40px 20px;
    border-left: none !important;
    border-right: none !important;
    border-top: 1px solid var(--black);
  }

  .event-header {
    grid-template-columns: 1fr;
    padding: 48px 20px 40px;
    gap: 32px;
  }

  .event-section {
    grid-template-columns: 1fr;
    padding: 48px 20px;
    gap: 24px;
  }

  .artist-bio {
    grid-template-columns: 1fr;
    padding: 40px 20px;
    gap: 24px;
  }

  .grid-exhibitions {
    grid-template-columns: 1fr;
  }

  .section-header {
    padding: 48px 20px 28px;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .projektraum-intro {
    grid-template-columns: 1fr;
  }

  .projektraum-intro__content {
    padding: 48px 20px;
    border-left: none;
    border-top: 1px solid var(--grey-mid);
  }

  .feature-blocks {
    grid-template-columns: 1fr;
  }

  .feature-block {
    padding: 40px 20px;
  }

  .entwicklungen-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .entwicklungen-section {
    padding: 48px 20px;
  }

  .entwicklungen-section__items {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer {
    grid-template-columns: 1fr;
    padding: 40px 20px;
    gap: 24px;
  }

  .footer__social {
    justify-content: flex-start;
  }

  .footer__nav {
    align-items: flex-start;
  }

  .legal-content {
    padding: 48px 20px 80px;
  }

  .legal-content h1 {
    font-size: 28px;
  }

  .back-link {
    padding: 18px 20px;
  }
}

@media (max-width: 600px) {
  .entwicklungen-grid {
    grid-template-columns: 1fr;
  }

  .event-gallery {
    grid-template-columns: 1fr;
  }

  .event-gallery.three-col {
    grid-template-columns: 1fr;
  }

  .event-hero {
    height: 45vh;
  }
}