/* KLEEGÄRTEN-Park — Unterlagen */

.documents-page {
  --documents-line: rgba(26, 23, 20, .14);
  --documents-soft: rgba(26, 23, 20, .055);
  --documents-ease: cubic-bezier(.22, 1, .36, 1);
  background: var(--bg);
}

.documents-page main { overflow: clip; }
.documents-page h1,
.documents-page h2,
.documents-page h3 { text-wrap: balance; }
.documents-page .container { max-width: 1320px; }
.documents-page .nav .container {
  max-width: var(--container);
  padding-left: clamp(1.25rem, 4vw, 2rem);
  padding-right: clamp(1.25rem, 4vw, 2rem);
  gap: clamp(1rem, 3vw, 2rem);
}
.documents-page .nav-links .nav-contact { padding: .58rem 1.2rem; }

.documents-kicker,
.documents-section-label {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  color: var(--accent-dim);
  font-size: .73rem;
  font-weight: 700;
  text-transform: uppercase;
}

.documents-kicker::before,
.documents-section-label::before {
  width: 25px;
  height: 1px;
  flex: 0 0 auto;
  background: currentColor;
  content: "";
}

/* Intro */
.documents-hero {
  position: relative;
  margin-top: var(--nav-h);
  padding: clamp(5rem, 10vw, 9rem) 0 clamp(3.25rem, 5vw, 5rem);
  border-bottom: 1px solid var(--documents-line);
}

.documents-hero::after {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--documents-line) 22%, var(--documents-line) 78%, transparent);
  content: "";
  pointer-events: none;
}

.documents-hero__grid {
  min-height: min(430px, 44vh);
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: clamp(4rem, 9vw, 9rem);
  align-items: end;
}

.documents-hero__grid > * {
  animation: documents-enter .7s var(--documents-ease) both;
}
.documents-hero__grid > :last-child { animation-delay: .09s; }

.documents-hero h1 {
  max-width: 780px;
  margin-top: 1.35rem;
  font-size: clamp(3.8rem, 6.7vw, 6.5rem);
  font-weight: 400;
  line-height: .98;
}

.documents-hero__intro {
  max-width: 495px;
  padding-bottom: .35rem;
  color: var(--fg-muted);
  font-size: 1.07rem;
  line-height: 1.75;
}

.documents-hero__anchor {
  display: inline-flex;
  align-items: center;
  gap: .9rem;
  width: fit-content;
  margin-top: 2rem;
  padding-bottom: .42rem;
  border-bottom: 1px solid var(--fg);
  color: var(--fg);
  font-size: .88rem;
  font-weight: 600;
}
.documents-hero__anchor i {
  color: var(--accent-dim);
  font-size: 1.1rem;
  font-style: normal;
  transition: transform .25s var(--documents-ease);
}

/* Download actions */
.documents-library { padding: clamp(5.5rem, 9vw, 9rem) 0 clamp(6rem, 11vw, 11rem); }
.documents-library__heading {
  display: grid;
  grid-template-columns: .55fr 1.45fr;
  gap: 4rem;
  align-items: start;
  margin-bottom: clamp(3.25rem, 6vw, 5rem);
  padding-bottom: clamp(2.25rem, 4vw, 3.25rem);
  border-bottom: 1px solid var(--documents-line);
}
.documents-library__heading > div {
  display: grid;
  grid-template-columns: 1fr minmax(250px, .63fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: end;
}
.documents-library h2 {
  font-size: clamp(3rem, 5vw, 5.1rem);
  font-weight: 400;
  line-height: 1;
}
.documents-library__heading p:last-child {
  color: var(--fg-muted);
  font-size: .98rem;
  line-height: 1.72;
}

.documents-actions { border-top: 1px solid var(--documents-line); }
.document-action {
  position: relative;
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 1fr) auto 1.25rem;
  gap: clamp(1rem, 2vw, 2rem);
  align-items: center;
  min-height: 126px;
  padding: 1.7rem 0;
  border-bottom: 1px solid var(--documents-line);
  color: var(--fg);
}
.document-action::before {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 1px;
  background: var(--accent);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .45s var(--documents-ease);
}
.document-action__number {
  align-self: start;
  padding-top: .3rem;
  color: var(--fg-light);
  font-size: .72rem;
  font-weight: 600;
}
.document-action__copy { display: flex; flex-direction: column; gap: .35rem; min-width: 0; }
.document-action__copy strong { font-family: var(--font-serif); font-size: clamp(1.55rem, 2.2vw, 2.25rem); font-weight: 400; line-height: 1.08; }
.document-action__copy small { color: var(--fg-muted); font-size: .79rem; }
.document-action__label { color: var(--fg-muted); font-size: .82rem; font-weight: 600; white-space: nowrap; }
.document-action > i { color: var(--accent-dim); font-size: 1.2rem; font-style: normal; transition: transform .3s var(--documents-ease); }
.document-action:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
.documents-note { max-width: 600px; margin-top: 1.3rem; color: var(--fg-light); font-size: .76rem; line-height: 1.65; }

/* Full construction description */
.specification {
  padding: clamp(5.5rem, 10vw, 10rem) 0 clamp(6rem, 11vw, 11rem);
  background: var(--surface);
  border-top: 1px solid var(--documents-line);
}
.specification__layout {
  display: grid;
  grid-template-columns: minmax(240px, .58fr) minmax(0, 1.42fr);
  gap: clamp(3rem, 9vw, 10rem);
  align-items: start;
}
.specification__intro {
  position: sticky;
  top: calc(var(--nav-h) + 3rem);
  padding-top: .35rem;
}
.specification__intro h2 {
  max-width: 440px;
  margin-top: 1.35rem;
  font-size: clamp(3rem, 4.2vw, 4.5rem);
  font-weight: 400;
  line-height: 1.03;
}
.specification__intro > p:last-child {
  max-width: 360px;
  margin-top: 1.65rem;
  color: var(--fg-muted);
  font-size: .97rem;
  line-height: 1.72;
}
.specification__accordion { border-top: 1px solid var(--documents-line); }
.specification-item { border-bottom: 1px solid var(--documents-line); }
.specification-item summary {
  position: relative;
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr) 1.35rem;
  gap: 1rem;
  align-items: center;
  min-height: 94px;
  cursor: pointer;
  list-style: none;
}
.specification-item summary::-webkit-details-marker { display: none; }
.specification-item summary:focus-visible { outline: 2px solid var(--accent); outline-offset: -4px; }
.specification-item summary > span { color: var(--accent-dim); font-size: .72rem; font-weight: 700; }
.specification-item summary > strong { font-family: var(--font-serif); font-size: clamp(1.5rem, 2.1vw, 2.15rem); font-weight: 400; line-height: 1.13; }
.specification-item summary > i { position: relative; width: 1.25rem; height: 1.25rem; font-style: normal; }
.specification-item summary > i::before,
.specification-item summary > i::after { position: absolute; top: 50%; left: 50%; width: 100%; height: 1px; background: var(--accent-dim); content: ""; transform: translate(-50%, -50%); transition: transform .3s var(--documents-ease); }
.specification-item summary > i::after { transform: translate(-50%, -50%) rotate(90deg); }
.specification-item[open] summary > i::after { transform: translate(-50%, -50%) rotate(0); }
.specification-item__content { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .38s var(--documents-ease); }
.specification-item[open] .specification-item__content { grid-template-rows: 1fr; }
.specification-item__inner {
  min-height: 0;
  padding: 0 3.65rem 0;
  overflow: hidden;
  color: var(--fg-muted);
  font-size: .97rem;
  line-height: 1.72;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity .22s ease, transform .38s var(--documents-ease), padding-bottom .38s var(--documents-ease);
}
.specification-item[open] .specification-item__inner { padding-bottom: 2.75rem; opacity: 1; transform: translateY(0); }
.specification-item__inner p + p { margin-top: 1rem; }
.specification-list { display: grid; gap: .5rem; }
.specification-list li { position: relative; padding-left: 1.1rem; }
.specification-list li::before { position: absolute; top: .72em; left: 0; width: 4px; height: 4px; border-radius: 50%; background: var(--accent-dim); content: ""; }
.specification-positions { display: grid; gap: 2rem; }
.specification-positions section + section { padding-top: 2rem; border-top: 1px solid var(--documents-soft); }
.specification-positions h3,
.specification-contacts h3 { margin-bottom: .75rem; color: var(--fg); font-family: var(--font-serif); font-size: 1.45rem; font-weight: 400; line-height: 1.2; }
.specification-contacts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; }
.specification-address { white-space: pre-line; }

@keyframes documents-enter { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }

@media (hover: hover) and (pointer: fine) {
  .documents-hero__anchor:hover { color: var(--fg); }
  .documents-hero__anchor:hover i { transform: translateY(3px); }
  .document-action:hover { color: var(--fg); }
  .document-action:hover::before { transform: scaleX(1); }
  .document-action:hover .document-action__label { color: var(--fg); }
  .document-action:hover > i { transform: translate(3px, -3px); }
  .specification-item summary:hover > strong { color: var(--accent-dim); }
}

@media (max-width: 980px) {
  .documents-hero::after { display: none; }
  .documents-hero__grid { grid-template-columns: 1fr; min-height: 0; gap: 3rem; }
  .documents-library__heading { grid-template-columns: 1fr; gap: 1.5rem; }
  .documents-library__heading > div { grid-template-columns: 1fr; gap: 1.25rem; max-width: 720px; }
  .specification__layout { grid-template-columns: 1fr; gap: 4rem; }
  .specification__intro { position: static; max-width: 600px; }
}

@media (max-width: 640px) {
  .documents-page .container { padding-right: 1.25rem; padding-left: 1.25rem; }
  .documents-hero { padding-top: 4.8rem; }
  .documents-hero h1 { font-size: clamp(3.4rem, 16vw, 4.6rem); }
  .documents-hero__intro { font-size: 1rem; }
  .documents-library { padding: 5rem 0 6rem; }
  .documents-library h2 { font-size: 3.1rem; }
  .document-action { grid-template-columns: 1.75rem minmax(0, 1fr) 1rem; gap: .8rem; min-height: 112px; }
  .document-action__label { display: none; }
  .document-action__copy strong { font-size: 1.58rem; }
  .specification { padding: 5rem 0 6rem; }
  .specification__intro h2 { font-size: 3.1rem; }
  .specification-item summary { grid-template-columns: 1.8rem minmax(0, 1fr) 1rem; gap: .75rem; min-height: 82px; }
  .specification-item summary > strong { font-size: 1.52rem; }
  .specification-item__inner { padding-right: 0; padding-left: 2.55rem; font-size: .93rem; }
  .specification-item[open] .specification-item__inner { padding-bottom: 2.2rem; }
  .specification-positions { gap: 1.6rem; }
  .specification-positions section + section { padding-top: 1.6rem; }
  .specification-contacts { grid-template-columns: 1fr; gap: 1.6rem; }
}

@media (prefers-reduced-motion: reduce) {
  .documents-hero__grid > * { animation: none; }
  .documents-hero__anchor i,
  .document-action::before,
  .document-action > i,
  .specification-item summary > i::before,
  .specification-item summary > i::after,
  .specification-item__content,
  .specification-item__inner { transition: none; }
}