:root {
  --paper: #f3f2f0;
  --paper-deep: #e9e5e0;
  --ink: #28231f;
  --muted: #675f59;
  --brand: #736357;
  --brand-dark: #50443b;
  --accent: #c4512d;
  --accent-soft: #e4a38d;
  --line: rgba(80, 68, 59, 0.22);
  --white: #fffdfa;
  --shadow: 0 18px 45px rgba(54, 43, 35, 0.09);
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --max: 1240px;
  --radius: 20px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 8%, rgba(255,255,255,.88), transparent 24rem),
    var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .22em; }
img { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
  border-radius: 3px;
}

.skip-link {
  position: fixed;
  z-index: 999;
  top: .8rem;
  left: .8rem;
  padding: .7rem 1rem;
  background: var(--ink);
  color: white;
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  z-index: 60;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(243, 242, 240, .91);
  backdrop-filter: blur(16px);
}

.header-inner {
  width: min(var(--max), calc(100% - 2.5rem));
  min-height: 78px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.4rem;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: .72rem;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark { width: 42px; height: 32px; color: var(--brand); flex: 0 0 auto; }
.brand-name { font: 700 clamp(1.14rem, 1.9vw, 1.52rem)/1 var(--serif); letter-spacing: -.035em; }

.nav-wrap { display: flex; align-items: center; gap: .8rem; }
.nav-list { display: flex; align-items: center; gap: .1rem; margin: 0; padding: 0; list-style: none; }
.nav-link {
  display: inline-flex;
  padding: .56rem .62rem;
  border-radius: 999px;
  color: var(--muted);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .055em;
  text-decoration: none;
  text-transform: uppercase;
}
.nav-link:hover, .nav-link[aria-current="page"] { color: var(--brand-dark); background: rgba(115, 99, 87, .1); }
.header-action { white-space: nowrap; }

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
}
.menu-toggle span { display: block; width: 18px; height: 1.5px; margin: 4px auto; background: currentColor; transition: .2s ease; }

.container { width: min(var(--max), calc(100% - 2.5rem)); margin-inline: auto; }
.narrow { width: min(780px, calc(100% - 2.5rem)); margin-inline: auto; }
.section { padding: clamp(4.8rem, 10vw, 8.5rem) 0; }
.section-compact { padding: clamp(3.4rem, 7vw, 6rem) 0; }
.section-rule { border-top: 1px solid var(--line); }
.section-dark { color: var(--paper); background: var(--brand-dark); }
.section-accent { color: var(--white); background: var(--accent); }

.eyebrow, .kicker {
  display: inline-block;
  margin: 0 0 1rem;
  color: var(--brand);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .17em;
  text-transform: uppercase;
}
.section-dark .eyebrow, .section-accent .eyebrow { color: inherit; opacity: .78; }

h1, h2, h3, h4, p { margin-top: 0; }
h1, h2, h3 { font-family: var(--serif); font-weight: 650; letter-spacing: -.045em; }
h1 { max-width: 1000px; margin-bottom: 1.4rem; font-size: clamp(3.2rem, 8.8vw, 7.8rem); line-height: .89; }
h2 { margin-bottom: 1.3rem; font-size: clamp(2.35rem, 5.8vw, 5rem); line-height: .98; }
h3 { margin-bottom: .65rem; font-size: clamp(1.52rem, 2.8vw, 2.25rem); line-height: 1.08; }
.lede { max-width: 760px; color: var(--muted); font: 400 clamp(1.22rem, 2.2vw, 1.72rem)/1.42 var(--serif); }
.section-dark .lede, .section-accent .lede { color: inherit; opacity: .88; }
.micro { color: var(--muted); font-size: .83rem; }
.caps { font-size: .73rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }

.hero { position: relative; min-height: calc(100svh - 78px); display: grid; align-items: center; overflow: clip; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(380px, .96fr); align-items: center; gap: clamp(2.5rem, 5vw, 5rem); padding-block: 5rem; }
.hero-copy { position: relative; z-index: 2; }
.hero h1 .accent { color: var(--brand); font-style: italic; }
.hero-actions, .button-row { display: flex; flex-wrap: wrap; align-items: center; gap: .8rem; margin-top: 2rem; }

.logo-panel {
  position: relative;
  align-self: start;
  display: grid;
  place-items: center;
  margin-top: 2.4rem;
}
.logo-panel img { width: min(100%, 620px); height: auto; }

.stair-watermark {
  position: absolute;
  right: -4vw;
  bottom: -4rem;
  width: min(38vw, 520px);
  color: var(--brand);
  opacity: .055;
  pointer-events: none;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  padding: .72rem 1.15rem;
  border: 1px solid var(--brand-dark);
  border-radius: 999px;
  color: var(--paper);
  background: var(--brand-dark);
  font-size: .8rem;
  font-weight: 800;
  letter-spacing: .075em;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.button:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(54,43,35,.16); }
.button-outline { color: var(--brand-dark); background: transparent; }
.button-light { color: var(--brand-dark); border-color: var(--paper); background: var(--paper); }
.button-quiet { color: var(--brand-dark); border-color: var(--line); background: rgba(255,255,255,.35); }
.button[disabled] { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }

.split { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(2.2rem, 8vw, 8rem); align-items: start; }
.split-even { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.sticky-copy { position: sticky; top: 112px; }
.prose p { max-width: 72ch; }
.prose p + p { margin-top: 1.2rem; }
.prose-lg { color: var(--muted); font: 400 clamp(1.2rem, 2.4vw, 1.7rem)/1.5 var(--serif); }
.khh-copy > p:not(.eyebrow):not(.lede) { color: var(--muted); font: 400 clamp(1.08rem, 1.35vw, 1.25rem)/1.58 var(--serif); }

.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.card-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.editorial-card {
  position: relative;
  min-height: 310px;
  padding: clamp(1.35rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,253,250,.48);
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.editorial-card:hover { transform: translateY(-5px); background: rgba(255,253,250,.86); box-shadow: var(--shadow); }
.editorial-card .number { color: var(--brand); font: 700 3rem/1 var(--serif); opacity: .28; }
.editorial-card .card-link { position: absolute; inset: 0; border-radius: inherit; }
.editorial-card .card-link span { position: absolute; right: 1.5rem; bottom: 1.3rem; font-size: 1.4rem; }
.editorial-card p { color: var(--muted); }

.publication-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.15rem; }
.publication-card {
  --card-image: none;
  --card-position: center;
  position: relative;
  isolation: isolate;
  display: flex;
  min-height: 340px;
  flex-direction: column;
  padding: clamp(1.4rem, 4vw, 2.4rem);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius);
  color: var(--white);
  background: var(--brand-dark);
  box-shadow: 0 12px 34px rgba(54,43,35,.14);
  overflow: hidden;
}
.publication-card::before,
.publication-card::after {
  position: absolute;
  z-index: -2;
  inset: 0;
  content: "";
}
.publication-card::before {
  background-image: var(--card-image);
  background-position: var(--card-position);
  background-size: cover;
  transform: scale(1.015);
  transition: transform .55s cubic-bezier(.2,.7,.2,1), filter .35s ease;
}
.publication-card::after {
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(24,19,16,.14) 0%, rgba(28,22,18,.34) 37%, rgba(27,21,18,.94) 100%);
}
.publication-card:hover::before { transform: scale(1.065); filter: saturate(1.08); }
.publication-card--voices {
  --card-image: url("neue-stimmen-panel.jpg");
  --card-position: center 78%;
}
.publication-card--lyrics {
  --card-image: url("socialbau-lyrics-panel.jpg");
  --card-position: center 42%;
}
.publication-card--droehnen {
  --card-image: url("droehnen-editorial.jpg");
  --card-position: center;
}
.publication-card--droehnen::after {
  background: linear-gradient(180deg, rgba(24,19,16,.08) 0%, rgba(28,22,18,.22) 38%, rgba(27,21,18,.88) 100%);
}
.publication-card--gowanus {
  --card-image: url("gowanus-editorial.jpg");
  --card-position: center;
}
.publication-card--gowanus::after {
  background: linear-gradient(180deg, rgba(24,19,16,.04) 0%, rgba(28,22,18,.14) 38%, rgba(27,21,18,.84) 100%);
}
.publication-card--springer {
  --card-image: url("harlem-days-panel.jpg");
  --card-position: center;
}
.publication-card--springer::after {
  background: linear-gradient(180deg, rgba(16,16,16,.06) 0%, rgba(18,18,18,.18) 38%, rgba(14,14,14,.86) 100%);
}
.publication-card[data-hidden="true"] { display: none; }
.publication-card h3 { max-width: 16ch; margin-top: auto; text-shadow: 0 2px 18px rgba(20,15,12,.28); }
.publication-card p { color: rgba(255,253,250,.86); }
.publication-meta { display: flex; flex-wrap: wrap; gap: .45rem; margin-bottom: 2rem; }
.tag { display: inline-flex; padding: .35rem .58rem; border: 1px solid var(--line); border-radius: 999px; color: var(--brand-dark); font-size: .68rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.publication-card .tag {
  border-color: rgba(255,255,255,.48);
  color: var(--white);
  background: rgba(32,25,21,.32);
  box-shadow: 0 4px 16px rgba(20,15,12,.1);
  backdrop-filter: blur(8px);
}
.publication-actions { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.5rem; }
.publication-card .button {
  color: var(--brand-dark);
  border-color: var(--paper);
  background: var(--paper);
}
.publication-card .button-outline,
.publication-card .button-quiet {
  color: var(--white);
  border-color: rgba(255,255,255,.62);
  background: rgba(25,19,16,.34);
  backdrop-filter: blur(8px);
}
.publication-card .button:hover { box-shadow: 0 8px 24px rgba(19,14,12,.3); }
.text-link { position: relative; z-index: 2; font-size: .75rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }

.filters { display: flex; flex-wrap: wrap; gap: .55rem; margin: 2rem 0; }
.filter-button { padding: .55rem .8rem; border: 1px solid var(--line); border-radius: 999px; color: var(--brand-dark); background: transparent; font-size: .75rem; font-weight: 800; cursor: pointer; }
.filter-button[aria-pressed="true"] { color: white; border-color: var(--brand-dark); background: var(--brand-dark); }
.search-field { width: 100%; max-width: 620px; padding: .9rem 1rem; border: 1px solid var(--line); border-radius: 10px; color: var(--ink); background: rgba(255,255,255,.55); }
.results-status { min-height: 1.5rem; color: var(--muted); font-size: .85rem; }

.image-frame { position: relative; overflow: hidden; border-radius: var(--radius); background: var(--paper-deep); }
.image-frame img { width: 100%; height: 100%; object-fit: cover; }
.image-frame.landscape { aspect-ratio: 16 / 10; }
.image-frame.book { aspect-ratio: 4 / 3; }
.image-caption { margin-top: .65rem; color: var(--muted); font-size: .76rem; }
.funding-credit { display: flex; align-items: center; gap: 1rem; margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .72rem; font-weight: 750; letter-spacing: .06em; text-transform: uppercase; }
.funding-credit span { max-width: 14rem; }
.funding-credit img { width: min(100%, 260px); height: auto; flex: 0 1 260px; }

.page-hero { position: relative; padding: clamp(5.5rem, 12vw, 10rem) 0 clamp(3.5rem, 7vw, 6rem); overflow: clip; }
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { max-width: 1080px; }
.page-hero .breadcrumb { margin-bottom: 2.4rem; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: .45rem; color: var(--muted); font-size: .73rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.breadcrumb a { text-decoration: none; }
.breadcrumb span::before { content: "/"; margin-right: .45rem; opacity: .45; }
.step-rule { width: 108px; height: 4px; margin: 1.8rem 0; background: linear-gradient(90deg, var(--brand) 0 33%, transparent 33% 38%, var(--brand) 38% 69%, transparent 69% 74%, var(--brand) 74%); }

.fact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; border: 1px solid var(--line); background: var(--line); }
.fact { min-height: 180px; padding: 1.4rem; background: var(--paper); }
.section-dark .fact { background: var(--brand-dark); }
.fact strong { display: block; margin: .45rem 0; font: 650 clamp(1.8rem, 4vw, 3.2rem)/1 var(--serif); letter-spacing: -.04em; }

.timeline { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.timeline li { display: grid; grid-template-columns: 130px 1fr; gap: 1.5rem; padding: 1.4rem 0; border-bottom: 1px solid var(--line); }
.timeline time { color: var(--brand); font-weight: 800; }
.project-timeline { margin-top: clamp(3.5rem, 8vw, 6rem); padding-top: clamp(2rem, 5vw, 3.5rem); border-top: 1px solid var(--line); }

.quote { padding-left: clamp(1.2rem, 4vw, 3rem); border-left: 4px solid var(--accent); font: 400 clamp(1.7rem, 4vw, 3.35rem)/1.15 var(--serif); letter-spacing: -.035em; }
.poem-title { max-width: 14ch; margin-bottom: 2rem; }
.poem {
  max-width: 32rem;
  margin: 0;
  padding-left: clamp(1.2rem, 4vw, 3rem);
  border-left: 1px solid rgba(255, 253, 250, .55);
  font: 400 clamp(1.25rem, 2.6vw, 1.75rem)/1.45 var(--serif);
  letter-spacing: -.015em;
}

.accordion { border-top: 1px solid var(--line); }
.accordion details { border-bottom: 1px solid var(--line); }
.accordion summary { display: flex; justify-content: space-between; gap: 2rem; padding: 1.2rem 0; font-family: var(--serif); font-size: 1.3rem; cursor: pointer; }
.accordion summary::after { content: "+"; color: var(--brand); font-family: var(--sans); }
.accordion details[open] summary::after { content: "−"; }
.accordion details > div { max-width: 70ch; padding: 0 0 1.5rem; color: var(--muted); }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.field { display: grid; gap: .4rem; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: .78rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.field input, .field textarea, .field select { width: 100%; padding: .86rem 1rem; border: 1px solid var(--line); border-radius: 10px; color: var(--ink); background: rgba(255,255,255,.62); }
.field textarea { min-height: 170px; resize: vertical; }
.form-status { margin-top: 1rem; color: var(--brand-dark); font-weight: 700; }

.shop-layout { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr); gap: 2rem; align-items: start; }
.list-panel { position: sticky; top: 110px; padding: 1.4rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.saved-list { margin: 1rem 0; padding: 0; list-style: none; }
.saved-list li { display: flex; align-items: start; justify-content: space-between; gap: 1rem; padding: .75rem 0; border-bottom: 1px solid var(--line); }
.saved-list button { border: 0; color: var(--muted); background: transparent; cursor: pointer; text-decoration: underline; }

.notice { padding: 1rem 1.15rem; border-left: 3px solid var(--accent); background: rgba(196,81,45,.08); color: var(--brand-dark); }
.empty-state { padding: 2rem; border: 1px dashed var(--line); border-radius: var(--radius); color: var(--muted); text-align: center; }

dialog {
  width: min(650px, calc(100% - 2rem));
  max-height: 85vh;
  padding: 0;
  border: 0;
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--paper);
  box-shadow: 0 24px 80px rgba(30,24,20,.3);
}
dialog::backdrop { background: rgba(35,29,25,.56); backdrop-filter: blur(5px); }
.dialog-inner { padding: clamp(1.5rem, 5vw, 2.6rem); }
.dialog-close { float: right; width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 50%; background: transparent; cursor: pointer; }

.site-footer { padding: 4rem 0 2rem; color: var(--paper); background: var(--ink); }
.footer-grid { display: grid; grid-template-columns: 1.1fr .9fr .9fr; gap: 3rem; }
.footer-brand { font: 650 clamp(2rem, 5vw, 4rem)/.95 var(--serif); letter-spacing: -.04em; }
.footer-list { margin: 0; padding: 0; list-style: none; }
.footer-list a { color: rgba(243,242,240,.78); text-decoration: none; }
.footer-list a:hover { color: white; text-decoration: underline; }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; margin-top: 3rem; padding-top: 1rem; border-top: 1px solid rgba(255,255,255,.16); color: rgba(243,242,240,.55); font-size: .75rem; }

[data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity .65s ease, transform .65s ease; }
[data-reveal].revealed { opacity: 1; transform: none; }

@media (max-width: 1040px) {
  .header-action { display: none; }
  .nav-link { padding-inline: .45rem; font-size: .7rem; }
  .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 820px) {
  .menu-toggle { display: inline-block; }
  .nav-wrap {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    align-items: stretch;
    flex-direction: column;
    padding: 1.25rem;
    background: var(--paper);
    overflow-y: auto;
    max-height: calc(100dvh - 78px);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
  }
  .menu-open .nav-wrap { display: flex; }
  .nav-list { align-items: stretch; flex-direction: column; }
  .nav-link { display: block; padding: .8rem .4rem; border-radius: 0; border-bottom: 1px solid var(--line); font: 650 1.55rem/1.2 var(--serif); letter-spacing: -.02em; text-transform: none; }
  .menu-open .menu-toggle span:first-child { transform: translateY(5.5px) rotate(45deg); }
  .menu-open .menu-toggle span:nth-child(2) { opacity: 0; }
  .menu-open .menu-toggle span:last-child { transform: translateY(-5.5px) rotate(-45deg); }
  .hero { min-height: auto; }
  .hero-grid, .split, .split-even, .shop-layout { grid-template-columns: 1fr; }
  .sticky-copy, .list-panel { position: static; }
  .logo-panel { max-width: 560px; margin: 1.5rem auto 0; }
  .publication-grid { grid-template-columns: 1fr; }
  .fact-grid { grid-template-columns: 1fr; }
  .fact { min-height: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > :first-child { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  .container, .narrow, .header-inner { width: min(100% - 1.5rem, var(--max)); }
  h1 { font-size: clamp(2.8rem, 16vw, 4.6rem); }
  .card-grid, .card-grid.two, .form-grid, .footer-grid { grid-template-columns: 1fr; }
  .footer-grid > :first-child { grid-column: auto; }
  .timeline li { grid-template-columns: 1fr; gap: .25rem; }
  .footer-bottom { flex-direction: column; }
  .hero-actions .button, .button-row .button { width: 100%; }
  .logo-panel::before { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}

/* Homepage announcement and open-access research report. */
.news-banner {
  display: block;
  overflow: hidden;
  padding: .85rem 0;
  background: var(--accent);
  color: var(--white);
  text-decoration: none;
  font-weight: 700;
}
.news-banner-track {
  display: flex;
  width: max-content;
  animation: news-banner-scroll 30s linear infinite;
}
.news-banner-track > span {
  flex: 0 0 auto;
  padding-inline: 2rem;
}
.news-banner:hover .news-banner-track,
.news-banner:focus-visible .news-banner-track { animation-play-state: paused; }
@keyframes news-banner-scroll {
  to { transform: translateX(-50%); }
}
.publication-card--research { scroll-margin-top: 100px; }
.publication-card--research h3 { max-width: none; overflow-wrap: anywhere; }
.publication-card--research:target { outline: 3px solid var(--accent); outline-offset: 5px; }
@media (prefers-reduced-motion: reduce) {
  .news-banner-track { width: auto; animation: none; }
  .news-banner-track > span { flex: 1; padding-inline: 1.25rem; }
  .news-banner-track > span + span { display: none; }
}
/* Shared research photo; grayscale applies only to the image layer. */
.publication-card--research {
  --card-image: url("khh-zugangsgerechtigkeit.jpg");
  --card-position: center;
}
.publication-card--research::before,
.publication-card--research:hover::before {
  filter: grayscale(1);
}
.publication-card--research::after {
  background: linear-gradient(180deg, rgba(0,0,0,.2) 0%, rgba(0,0,0,.5) 35%, rgba(0,0,0,.92) 100%);
}