/* =========================================================
    STRUKTUR
    ========================================================
01 — Variables, Reset & Global
02 — Header & Navigation
03 — Global Page Layout
04 — Shared Cards & Project Styles
05 — Form
06 — Raum / Space
07 — Systeme
08 — Lehre / Workshops
09 — Shared Placeholder
10 — Footer, Cookie & Legal
11 — Tablet / Navigation
12 — Mobile — Global
13 — Mobile — Form / Raum
14 — Accessibility

   ========================================================= */



/* =========================================================
   01 — VARIABLEN, RESETs & GLOBALE EINSTELLUNGEN
   ========================================================= */

:root {
  --bg: #f7f9fb;
  --text: #162637;
  --muted: #a7b6c5;
  --line: #17293b;
  --accent: #145bff;
  --pad: clamp(22px, 4vw, 68px);
  --max: 1540px;
  --content: 940px;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  display: block;
  width: 100%;
  height: auto;
}
.wrap {
  max-width: var(--max);
  margin: auto;
  padding-inline: var(--pad);
}
.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 1rem;
  top: 1rem;
  background: #fff;
  padding: 0.7rem;
  z-index: 100;
}


/* =========================================================
   02 — HEADER & NAVIGATION
   ========================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(247, 249, 251, 0.97);
}
.header-inner {
  min-height: 96px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding-top: 34px;
}
.brand {
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}


.nav {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.nav a {
  padding: 0 0 0.4rem;
  border-bottom: 2px solid transparent;
}
.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--accent);
  border-color: var(--accent);
}


/* Menue mit Burger & X in mobile */


.menu {
  display: none;
  width: 28px;
  height: 24px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}

.menu span {
  display: block;
  width: 28px;
  height: 2px;
  background: #145bff;
  transform-origin: center;
  transition: transform 0.25s ease, opacity 0.2s ease;
}

/* Burger → X */
.menu[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.language-switch {
  display: flex;
  gap: 0.45rem;
  align-items: center;
  margin-left: 0.4rem;
}
.language-switch a {
  border-bottom: 2px solid transparent;
  padding-bottom: 0.4rem;
}
.language-switch a[aria-current="true"] {
  color: var(--accent);
  border-color: var(--accent);
}
@media (max-width: 1050px) {
  .language-switch {
    margin-left: 0;
    margin-top: 0.5rem;
  }
}





/* =========================================================
   03 — GLOBAL PAGE LAYOUT
   ========================================================= */

.page-shell {
  max-width: 980px;
  margin-left: auto;

  padding: 65px 0 110px;
}
.top-rule {
  border-top: 2px solid var(--line);
  padding-top: 28px;
}
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
  font-size: 1.05rem;
}
.intro-grid p {
  margin: 0;
}


.section {
  margin-top: 125px;
}
.section-title {
  font-size: 0.98rem;
  font-weight: 400;
  color: var(--muted);
  margin: 0 0 28px;
}
.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
}
.ref-list,
.profile-list {
  color: var(--muted);
  font-size: 1rem;
}
.ref-list p,
.profile-list p {
  margin: 0 0 1.6rem;
}
.ref-list a {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-title {
  font-size: clamp(3rem, 7vw, 7.5rem);
  font-weight: 300;
  letter-spacing: -0.00em;
  line-height: 0.92;
  margin: 0 0 35px;

}
.page-lead {
  font-size: 1rem;
  max-width: 42rem;
}


/* =========================================================
   04 — SHARED CARDS & PROJECT STYLES
   ========================================================= */

.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 80px 36px;
  margin-top: 70px;
}
.card img {
  aspect-ratio: 4/3;
  object-fit: cover;
  background: #fff;
}
.card h2 {
  font-size: 1.15rem;
  font-weight: 400;
  margin: 0.8rem 0 0.2rem;
}
.card p {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0.2rem 0;
}


.projects {
  display: grid;
  gap: 100px;
  margin-top: 80px;
}
.project {
  display: grid;
  grid-template-columns: 1.5fr 0.6fr;
  gap: 50px;
  align-items: end;
}
.project:nth-child(even) {
  grid-template-columns: 0.6fr 1.5fr;
}
.project:nth-child(even) .media {
  grid-column: 2;
}

.project:nth-child(even) .copy {
  grid-column: 1;
  grid-row: 1;
}

.project img {
  aspect-ratio: 16/10;
  object-fit: cover;
}
.copy h2 {
  font-size: 2rem;
  font-weight: 400;
  line-height: 1.05;
  margin: 0.4rem 0 1rem;
}
.meta {
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.copy p {
  color: var(--muted);
  font-size: 0.8rem;
}


/* =========================================================
   05 — FORM
   ========================================================= */

.form-chapter {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 44px 28px;
    margin-top: 120px;
}

.form-chapter .card img {
  width: 100%;
  height: auto;
  aspect-ratio: auto;
  object-fit: initial;
  background: transparent;
}

.form-chapter .card:nth-child(1) {
    grid-column: 1 / 7;
}

.form-chapter .card:nth-child(2) {
    grid-column: 7 / 13;
    margin-top: 90px;
}

.form-chapter .card:nth-child(3) {
    grid-column: 2 / 6;
    margin-top: 60px;
}

.form-chapter .card:nth-child(4) {
    grid-column: 3 / 12;
    margin-top: 0;
}


/* =========================================================
   06 — RAUM / SPACE
   ========================================================= */

.space-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 90px 28px;
  margin-top: 90px;
}
.space-item {
  display: grid;
  grid-template-columns: subgrid;
  grid-column: 1/-1;
  align-items: end;
}
.space-item .media img {
  width: 100%;
  height: auto;
  aspect-ratio: auto;
  object-fit: initial;
}

.space-item .copy h2 {
  font-size: 2rem;
  font-weight: 400;
  line-height: 1.05;
  margin: 0.4rem 0 1rem;
}
.space-item .copy p {
  color: var(--muted);
}
.space-item:nth-child(1) .media {
  grid-column: 1/9;
}
.space-item:nth-child(1) .copy {
  grid-column: 9/13;
}
.space-item:nth-child(2) .copy {
  grid-column: 1/5;
}
.space-item:nth-child(2) .media {
  grid-column: 5/13;
}
.space-item:nth-child(3) .media {
  grid-column: 1/10;
}
.space-item:nth-child(3) .copy {
  grid-column: 10/13;
}
.space-item:nth-child(4) .copy {
  grid-column: 1/5;
}
.space-item:nth-child(4) .media {
  grid-column: 5/11;
}
.space-item:nth-child(5) .media {
  grid-column: 3/10;
}
.space-item:nth-child(5) .copy {
  grid-column: 10/13;
}

/* Fix: keep Space/Raum image and text in the same grid row on desktop */
.space-item .media,
.space-item .copy {
  grid-row: 1;
}

/* On mobile, return to normal stacked flow */
@media (max-width: 760px) {
  .space-item .media,
  .space-item .copy {
    grid-row: auto;
  }
}

/* Raum: optionales zweites Bild unter dem Hauptbild */
.space-item .media {
  display: block;
}

/* Hauptbild bleibt in voller Breite */
.space-item .media img.main-image,
.space-item .media > img:first-child {
  display: block;
  width: 100%;
  height: auto;
}

/*
  Höhere Spezifität als:
  .space-item .media img { width: 100%; }
  Dadurch wird das Detailbild tatsächlich kleiner.
*/
.space-item .media img.detail-image {
  display: block;
  width: 50%;
  height: auto;
  margin-top: 10px;
  margin-left: 8%;
  margin-right: auto;
}

/* Optionale Positionierungsvarianten */
.space-item .media img.detail-image.detail-left {
  margin-left: 8%;
  margin-right: auto;
}

.space-item .media img.detail-image.detail-center {
  margin-left: auto;
  margin-right: auto;
}

.space-item .media img.detail-image.detail-right {
  margin-left: auto;
  margin-right: 8%;
}

@media (max-width: 760px) {
  .space-item .media img.detail-image,
  .space-item .media img.detail-image.detail-left,
  .space-item .media img.detail-image.detail-center,
  .space-item .media img.detail-image.detail-right {
    width: 72%;
    margin-top: 18px;
    margin-left: auto;
    margin-right: 0;
  }
}


/* =========================================================
   07 — SYSTEME
   ========================================================= */

.system-placeholder {
  min-height: 52vh;
  display: flex;
  align-items: center;
  justify-content: center;
  border-top: 2px solid var(--line);
  border-bottom: 1px solid #dbe2e8;
  margin-top: 55px;
}
.system-placeholder span {
  font-size: clamp(2.5rem, 7vw, 7rem);
  font-weight: 300;
  letter-spacing: -0.05em;
  color: var(--muted);
}


/* =========================================================
   08 — LEHRE / WORKSHOPS
   ========================================================= */

.workshops {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 50px 30px;
  margin-top: 70px;
}
.workshop {
  border-bottom: 3px solid var(--accent);
  padding-bottom: 14px;
}
.workshop img {
  aspect-ratio: 16/10;
  object-fit: cover;
}
.workshop h2 {
  font-size: 1.8rem;
  font-weight: 400;
  line-height: 1.05;
  margin: 1rem 0 0.8rem;
}
.workshop p {
  color: var(--muted);
}
dl {
  margin: 1rem 0 0;
  font-size: 0.85rem;
}
dl div {
  display: grid;
  grid-template-columns: 90px 1fr;
  border-top: 1px solid #d7dfe7;
  padding: 0.45rem 0;
}
dt {
  color: var(--muted);
}
dd {
  margin: 0;
}


/* =========================================================
   09 — SHARED PLACEHOLDER
   ========================================================= */

.placeholder {
  min-height: 55vh;
  display: flex;
  align-items: center;
  justify-content: center;
  border-top: 2px solid var(--line);
  border-bottom: 1px solid #dbe2e8;
  margin-top: 45px;
}
.placeholder span {
  font-size: clamp(2.5rem, 7vw, 7rem);
  font-weight: 300;
  letter-spacing: -0.05em;
  color: var(--muted);
}


/* =========================================================
   10 — FOOTER, COOKIE & LEGAL
   ========================================================= */

.footer {
  border-top: 1px solid #dbe2e8;
  padding: 45px 0 30px;
  color: var(--muted);
  font-size: 0.8rem;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
}
.footer-links {
  display: flex;
  gap: 1.4rem;
}
.cookie {
  position: fixed;
  left: var(--pad);
  right: var(--pad);
  bottom: var(--pad);
  z-index: 80;
  background: var(--text);
  color: #fff;
  padding: 1rem 1.2rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
}
.cookie[hidden] {
  display: none;
}
.cookie p {
  margin: 0;
  font-size: 0.82rem;
}
.cookie button,
.cookie a {
  font: inherit;
  color: #fff;
  background: none;
  border: 1px solid #fff;
  padding: 0.55rem 0.8rem;
}
.cookie .primary {
  background: var(--accent);
  border-color: var(--accent);
}
.legal h2 {
  font-size: 1.25rem;
  margin-top: 2.5rem;
}
.legal p {
  max-width: 48rem;
}
.todo {
  border-left: 4px solid var(--accent);
  padding: 1rem;
  background: #fff;
}


/* =========================================================
   11 — TABLET / NAVIGATION
   ========================================================= */

@media (max-width: 1050px) {
  .header-inner {
    align-items: center;
    padding-top: 0;
    min-height: 76px;
  }
  .brand {
    font-size: 1.4rem;
  }
  .menu {
    display: flex;
  }
  .nav {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--bg);
    padding: 20px var(--pad);
    flex-direction: column;
    border-bottom: 1px solid #dbe2e8;
  }
  .nav.open {
    display: flex;
  }
  .page-shell {
    margin-left: 0;
    max-width: none;
    padding-top: 45px;
  }
}


/* =========================================================
   12 — MOBILE — GLOBAL
   ========================================================= */

@media (max-width: 760px) {
  .intro-grid,
  .content-grid,
  .project,
  .project:nth-child(even),
  .workshops,
  .cards {
    grid-template-columns: 1fr;
  }
  .project:nth-child(even) .media,
  .project:nth-child(even) .copy {
    grid-column: auto;
    grid-row: auto;
  }
  .intro-grid,
  .content-grid {
    gap: 45px;
  }
  .section {
    margin-top: 80px;
  }
  .page-shell {
    padding-bottom: 70px;
  }
  .cookie {
    grid-template-columns: 1fr;
  }
  .footer-inner {
    flex-direction: column;
  }
}


/* =========================================================
   13 — MOBILE — FORM / RAUM
   ========================================================= */

@media (max-width: 760px) {

  .space-grid {
    grid-template-columns: 1fr;
    gap: 65px;
    margin-top: 70px;
  }

  .space-item,
  .space-item .media,
  .space-item .copy,
  .space-item:nth-child(n) .media,
  .space-item:nth-child(n) .copy {
    grid-column: auto;
    margin-top: 0;
  }

  
   .form-chapter {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .form-chapter .card:nth-child(n) {
        grid-column: 1;
        margin-top: 0;
    }

  

  
  .space-item {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
  }
}


/* =========================================================
   14 — ACCESSIBILITY
   ========================================================= */

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