/* modus.architekten — 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: 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;
  inset: 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; }

/* ─── SECTION HEADER ─── */

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

.section-header__title {
  font-size: clamp(22px, 2.5vw, 34px);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1;
}

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

/* ─── IMAGE GRID (homepage mosaic) ─── */

.img-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 20px;
  padding: 48px;
  background: var(--white);
}

.img-grid__item {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--grey);
  display: block;
}

.img-grid__item.is-circle  { border-radius: 50%; }
.img-grid__item.not-linked { cursor: default; }

.img-grid__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: filter 0.5s ease, transform 0.6s ease;
}

.img-grid__item:hover img {
  filter: none;
  transform: scale(1.05);
}

.img-grid__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 16px;
  background: linear-gradient(transparent 30%, rgba(0,0,0,0.55));
  opacity: 0;
  transition: opacity 0.3s ease;
  color: #fff;
}

.img-grid__item.is-circle .img-grid__overlay {
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 20px;
  background: rgba(0,0,0,0.38);
}

.img-grid__item:hover .img-grid__overlay { opacity: 1; }

.img-grid__title {
  font-size: 12px;
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: 0.01em;
}

.img-grid__location {
  font-size: 10px;
  opacity: 0.75;
  margin-top: 3px;
  letter-spacing: 0.04em;
}

/* ─── PROJECTS GRID — horizontal list ─── */

.projects-grid {
  display: flex;
  flex-direction: column;
}

.project-card {
  display: grid;
  grid-template-columns: 1fr 120px;
  gap: 0;
  padding: 20px 48px;
  border-bottom: 1px solid var(--grey-mid);
  align-items: center;
  transition: background 0.15s;
}

.project-card:hover { background: var(--grey); }

.project-card__image {
  width: 120px;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--grey-mid);
  order: 2;
  flex-shrink: 0;
  opacity: 0.85;
  transition: opacity 0.3s;
}

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

.project-card:hover .project-card__image { opacity: 1; }
.project-card:hover .project-card__image img { transform: scale(1.06); }

.project-card__info {
  order: 1;
  padding: 0 32px 0 0;
}

.project-card__title {
  font-size: 17px;
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.project-card__location {
  font-size: 12px;
  color: var(--text-grey);
  margin-top: 4px;
  letter-spacing: 0.03em;
}

/* ─── FEATURED SECTION ─── */

.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.featured-card {
  display: block;
  padding: 36px 40px 40px;
  border-right: 1px solid var(--grey-mid);
  border-bottom: 1px solid var(--grey-mid);
  transition: background 0.15s;
}

.featured-card:last-child,
.featured-card:nth-child(3n) { border-right: none; }

.featured-card:hover { background: var(--grey); }

.featured-card__image {
  width: 100%;
  aspect-ratio: 3/2;
  overflow: hidden;
  background: var(--grey-mid);
  margin-bottom: 20px;
  opacity: 0.8;
  transition: opacity 0.3s;
}

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

.featured-card:hover .featured-card__image { opacity: 1; }
.featured-card:hover .featured-card__image img { transform: scale(1.04); }

.featured-card__info {}

.featured-card__title {
  font-size: 16px;
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.featured-card__location {
  font-size: 11px;
  color: var(--text-grey);
  margin-top: 5px;
  letter-spacing: 0.04em;
}

/* ─── INSTALLATIONS ─── */

.installation-item {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  gap: 40px;
  padding: 18px 48px;
  border-bottom: 1px solid var(--grey-mid);
  align-items: baseline;
  transition: background 0.12s;
}

.installation-item:hover { background: var(--grey); }

.installation-item__year {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-grey);
  text-transform: uppercase;
}

.installation-item__title { font-size: 14px; font-weight: 400; }

.installation-item__location {
  font-size: 11px;
  color: var(--text-grey);
  text-align: right;
  letter-spacing: 0.03em;
}

/* ─── STUDIEN ─── */

.studie-item {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  gap: 40px;
  padding: 15px 48px;
  border-bottom: 1px solid var(--grey-mid);
  align-items: baseline;
  transition: background 0.12s;
}

.studie-item:hover { background: var(--grey); }

.studie-item__year {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-grey);
  text-transform: uppercase;
}

.studie-item__title { font-size: 13px; font-weight: 400; }
.studie-item__location { font-size: 11px; color: var(--text-grey); text-align: right; }

/* ─── PROJEKTLISTE FILTER ─── */

.pl-filter {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 20px 48px;
  border-bottom: 1px solid var(--grey-mid);
  flex-wrap: wrap;
}

.pl-filter__cats {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.pl-filter__btn {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 14px;
  border: 1px solid var(--grey-mid);
  background: none;
  cursor: pointer;
  color: var(--text-grey);
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.pl-filter__btn:hover { color: var(--black); border-color: #bbb; }
.pl-filter__btn.active { background: var(--black); color: var(--white); border-color: var(--black); }

.pl-filter__search {
  flex: 1;
  min-width: 180px;
  max-width: 320px;
  font-size: 12px;
  font-family: var(--font);
  padding: 6px 12px;
  border: 1px solid var(--grey-mid);
  background: none;
  color: var(--black);
  outline: none;
  transition: border-color 0.2s;
}

.pl-filter__search:focus { border-color: #999; }
.pl-filter__search::placeholder { color: var(--text-grey); }

/* ─── PROJEKTLISTE ITEMS ─── */

.projektliste {
  display: flex;
  flex-direction: column;
}

.pl-item {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  grid-template-rows: auto auto;
  gap: 0 32px;
  padding: 12px 48px;
  border-bottom: 1px solid var(--grey-mid);
  align-items: baseline;
  transition: background 0.12s;
}

.pl-item:hover { background: var(--grey); }

.pl-item__year {
  font-size: 11px;
  color: var(--text-grey);
  letter-spacing: 0.06em;
  grid-column: 1;
  grid-row: 1;
  padding-top: 1px;
}

.pl-item__title {
  font-size: 13px;
  font-weight: 400;
  grid-column: 2;
  grid-row: 1;
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}

.pl-item__location {
  font-size: 11px;
  color: var(--text-grey);
  text-align: right;
  grid-column: 3;
  grid-row: 1;
  white-space: nowrap;
}

.pl-item__details {
  grid-column: 2 / 4;
  grid-row: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  padding-top: 6px;
  padding-bottom: 2px;
}

.pl-detail {
  display: flex;
  gap: 6px;
  align-items: baseline;
}

.pl-detail--full { flex-basis: 100%; }

.pl-detail__label {
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-grey);
  white-space: nowrap;
}

.pl-detail__value {
  font-size: 11px;
  color: #555;
  line-height: 1.4;
}

/* ─── BADGES ─── */

.pl-badge {
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 2px;
  vertical-align: middle;
  white-space: nowrap;
}

.pl-badge--install {
  background: #e8f0e8;
  color: #4a6b4a;
}

.pl-badge--studie {
  background: #eef0f5;
  color: #4a4a6b;
}

.pl-empty {
  padding: 48px;
  font-size: 13px;
  color: var(--text-grey);
}

/* ─── PROJEKTLISTE (legacy item class — keep for backwards compat) ─── */

.projektliste-item {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 40px;
  padding: 11px 48px;
  border-bottom: 1px solid var(--grey-mid);
  align-items: baseline;
}

.projektliste-item:nth-child(even) { background: var(--white); }

.projektliste-item__year {
  font-size: 11px;
  color: var(--text-grey);
  letter-spacing: 0.06em;
}

.projektliste-item__title { font-size: 13px; font-weight: 400; }

.projektliste-item__location {
  font-size: 11px;
  color: var(--text-grey);
  text-align: right;
}

/* ─── PROJECT DETAIL PAGE ─── */

.project-header {
  padding: 80px 48px 64px;
  border-bottom: 1px solid var(--grey-mid);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: end;
}

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

.project-header__title {
  font-size: clamp(32px, 4.5vw, 64px);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-top: 16px;
}

.project-header__location {
  font-size: 15px;
  color: var(--text-grey);
  margin-top: 12px;
}

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

.project-header__description {
  font-size: 15px;
  line-height: 1.8;
  color: #444;
}

.project-hero {
  width: 100%;
  max-height: 60vh;
  overflow: hidden;
  background: var(--grey);
}

.project-hero img {
  width: 100%;
  max-height: 60vh;
  object-fit: cover;
  opacity: 0.9;
}

.project-section {
  padding: 72px 48px;
  border-bottom: 1px solid var(--grey-mid);
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 60px;
}

.project-section__label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-grey);
  padding-top: 4px;
}

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

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

.project-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3px;
  background: var(--grey-mid);
  padding: 3px;
  margin: 3px;
}

.project-gallery img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  opacity: 0.9;
}

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

/* ─── PROFIL PAGE ─── */

.profil-intro {
  padding: 80px 48px 72px;
  border-bottom: 1px solid var(--grey-mid);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: start;
}

.profil-intro__logo {
  display: block;
  font-size: clamp(40px, 5.5vw, 72px);
  font-weight: 400;
  letter-spacing: 0.06em;
  line-height: 1.25;
  color: var(--black);
  margin-bottom: 0;
  will-change: transform;
  transform-origin: top left;
  white-space: nowrap;
  position: relative;
  z-index: 101;
}


.profil-intro__headline {
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.profil-intro__tagline {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-grey);
  margin-top: 24px;
}

.profil-intro__text {
  font-size: 13px;
  line-height: 1.75;
  color: #555;
}

.profil-intro__text + .profil-intro__text { margin-top: 18px; }

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

.profil-service {
  padding: 48px;
  border-right: 1px solid var(--grey-mid);
  border-bottom: 1px solid var(--grey-mid);
}

.profil-service:nth-child(2n) { border-right: none; }

.profil-service__label {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-grey);
}

.profil-service__title {
  font-size: 18px;
  font-weight: 400;
  margin-top: 10px;
  line-height: 1.25;
}

.profil-service__text {
  font-size: 13px;
  line-height: 1.75;
  color: #555;
  margin-top: 14px;
}

.profil-partners {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--grey-mid);
}

.profil-partner {
  padding: 48px;
  border-right: 1px solid var(--grey-mid);
  border-bottom: 1px solid var(--grey-mid);
}

.profil-partner:nth-child(2n) { border-right: none; }

.profil-partner__inner {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 24px;
  align-items: start;
}

.profil-partner__photo {
  width: 110px;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: center top;
  filter: grayscale(100%);
  display: block;
}

.profil-partner__role {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-grey);
}

.profil-partner__name {
  font-size: 24px;
  font-weight: 400;
  margin-top: 12px;
  letter-spacing: -0.01em;
}

.profil-partner__title {
  font-size: 13px;
  color: var(--text-grey);
  margin-top: 5px;
}

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

.profil-partner__contact a {
  font-size: 13px;
  color: var(--text-grey);
  transition: color 0.2s;
}

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

.profil-team {
  padding: 56px 48px;
  border-bottom: 1px solid var(--grey-mid);
}

.profil-team__label {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-grey);
  margin-bottom: 20px;
}

.profil-team__intro {
  font-size: 15px;
  line-height: 1.8;
  color: #333;
  max-width: 680px;
  margin-bottom: 24px;
}

.profil-team__names {
  font-size: 13px;
  line-height: 2;
  color: #666;
  max-width: 780px;
}

.profil-team__philosophy {
  font-size: 15px;
  line-height: 1.8;
  color: #333;
  max-width: 680px;
  margin-top: 24px;
}

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

.profil-office {
  padding: 40px 48px;
  border-right: 1px solid var(--grey-mid);
  border-bottom: 1px solid var(--grey-mid);
}

.profil-office:last-child { border-right: none; }

.profil-office__photo {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  margin-bottom: 20px;
  filter: grayscale(100%);
}

.profil-office__label {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-grey);
  margin-bottom: 14px;
}

.profil-office__address {
  font-size: 14px;
  line-height: 1.7;
  font-style: normal;
  color: #333;
}

.profil-office__phone {
  font-size: 12px;
  color: var(--text-grey);
  margin-top: 12px;
}

/* ─── LEGAL PAGE ─── */

.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); }

/* ─── 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;
  color: var(--text-grey);
  border-bottom: 1px solid var(--grey-mid);
  transition: color 0.2s;
  width: 100%;
}

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

/* ─── 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__middle {}

.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;
}

/* ─── RESPONSIVE ─── */

@media (max-width: 900px) {
  .img-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    padding: 20px;
  }

  .img-grid__item.is-gif { border-radius: 0; }

  .nav { padding: 14px 20px; }
  .nav__links { display: none; }
  .nav__toggle { display: flex; }

  .section-header {
    padding: 56px 20px 28px;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .project-card {
    grid-template-columns: 1fr;
    padding: 16px 20px;
    gap: 12px;
  }

  .project-card__image {
    order: 0;
    width: 100%;
    aspect-ratio: 16/9;
  }

  .project-card__info { padding: 0; }

  .featured-grid { grid-template-columns: 1fr; }
  .featured-card { border-right: none; }

  .installation-item,
  .studie-item {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 14px 20px;
  }

  .installation-item__location,
  .studie-item__location { text-align: left; }

  .projektliste-item {
    grid-template-columns: 56px 1fr;
    gap: 16px;
    padding: 10px 20px;
  }

  .projektliste-item__location { display: none; }

  .pl-filter {
    padding: 16px 20px;
    gap: 12px;
  }

  .pl-item {
    grid-template-columns: 56px 1fr;
    padding: 10px 20px;
    gap: 0 12px;
  }

  .pl-item__location { display: none; }

  .pl-item__details {
    grid-column: 2 / -1;
    padding-top: 4px;
  }

  .project-header {
    grid-template-columns: 1fr;
    padding: 48px 20px 40px;
    gap: 28px;
  }

  .project-section {
    grid-template-columns: 1fr;
    padding: 48px 20px;
    gap: 16px;
  }

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

  .profil-services { grid-template-columns: 1fr; }
  .profil-service { padding: 36px 20px; border-right: none; }
  .profil-partners { grid-template-columns: 1fr; }
  .profil-partner { padding: 36px 20px; border-right: none; }
  .profil-team { padding: 40px 20px; }
  .profil-offices { grid-template-columns: 1fr; }
  .profil-office { padding: 32px 20px; border-right: none; }

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

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

  .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) {
  .img-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    padding: 16px;
  }

  .project-hero { max-height: 40vh; }
  .project-hero img { max-height: 40vh; }
}