/* styles.css */

:root{
  --Blackthorn:#224653; /*für Header */
  --royal-ink:#224653;

  --Blackthorn-2:#1c3b46;
  --birch:#F6F0E7;
  --paper:#F9F7F2;
  --paper-2:#F2EEE6;

  --ivy:#2E5A46;
  --ivy-2:#224A38;

  --sun:#F4B400;
  --rose:#E85D75;

  --bg:#0E1416;
  --fg:#F6F6F6;
  --muted:#B9C0C4;

  --line: rgba(255,255,255,.18);

  --serif: "Cormorant Garamond", ui-serif, Georgia, serif;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

/* Base */
*{ box-sizing:border-box; }
html, body{ height:100%; }
body{
  margin:0;
  font-family: var(--sans);
  background: radial-gradient(1200px 700px at 20% 10%, rgba(255,255,255,.07), transparent 60%),
              radial-gradient(900px 600px at 70% 20%, rgba(255,255,255,.06), transparent 55%),
              linear-gradient(180deg, #0b1012, #0e1416 40%, #0b1012);
  color: var(--fg);
  overflow-x:hidden;
}

a{ color:inherit; text-decoration:none; }
a:hover{ text-decoration:underline; }
img{ max-width:100%; display:block; }
button, input, select, textarea{ font:inherit; }

.wrap{
  width:min(1180px, calc(100% - 48px));
  margin:0 auto;
}

.srOnly{
  position:absolute !important;
  width:1px; height:1px;
  padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0);
  white-space:nowrap; border:0;
}

.fine{ font-size:12px; letter-spacing:.02em; }
.muted{ color: var(--muted); }
.key{
  display:inline-block;
  padding:2px 6px;
  border:1px solid var(--line);
  border-radius:0;
  font-family: var(--mono);
  font-size:12px;
}

/* Topbar */
.topbar{
  position:fixed;
  top:0; left:0; right:0;
  z-index:50;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 22px;
  background: linear-gradient(180deg, rgba(10,15,18,.78), rgba(10,15,18,.18) 70%, transparent);
  backdrop-filter: blur(10px);
}

.brand{
  display:flex;
  flex-direction:column;
  gap:2px;
}
.brandMark{
  font-family: var(--serif);
  font-size:20px;
  letter-spacing:.02em;
}
.brandSub{
  font-size:12px;
  color: var(--muted);
}

.menuBtn{
  display:flex;
  align-items:center;
  gap:10px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  padding:10px 12px;
  border-radius:0;
  cursor:pointer;
}
.menuBtn__label{ font-size:12px; letter-spacing:.08em; text-transform:uppercase; }
.menuBtn__icon{
  width:16px; height:12px;
  position:relative;
}
.menuBtn__icon::before,
.menuBtn__icon::after{
  content:"";
  position:absolute;
  left:0; right:0;
  height:1px;
  background: var(--fg);
  opacity:.85;
}
.menuBtn__icon::before{ top:2px; }
.menuBtn__icon::after{ bottom:2px; }

/* Overlay */
.overlay{
  position:fixed;
  inset:0;
  display:none;
  z-index:80;
}
.overlay.is-open{ display:block; }
.overlay__backdrop{
  position:absolute;
  inset:0;
  background: rgba(0,0,0,.55);
}
.overlay__panel{
  position:absolute;
  right:0; top:0; bottom:0;
  width:min(520px, 92vw);
  background: rgba(15,20,22,.92);
  border-left:1px solid var(--line);
  backdrop-filter: blur(16px);
  transform: translateX(12px);
  animation: slideIn .18s ease forwards;
}
.overlay__panel--paper{
  left:50%;
  right:auto;
  top:10vh;
  bottom:auto;
  transform: translate(-50%, 10px);
  width:min(860px, 92vw);
  max-height:80vh;
  overflow:auto;
  border:1px solid var(--line);
  background: rgba(20,26,28,.96);
}
@keyframes slideIn{
  from{ transform: translateX(14px); opacity:0; }
  to{ transform: translateX(0); opacity:1; }
}

.overlay__top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:14px 16px;
  border-bottom:1px solid var(--line);
}
.overlay__title{ font-family: var(--serif); font-size:18px; }
.overlay__close{
  border:1px solid var(--line);
  background:transparent;
  border-radius:0;
  padding:8px 12px;
  cursor:pointer;
}

.menu{
  padding:16px;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.menu__item{
  padding:12px 12px;
  border:1px solid var(--line);
  border-radius:0;
  background: rgba(255,255,255,.03);
}
.menu__item:hover{
  background: rgba(255,255,255,.06);
  text-decoration:none;
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  border:1px solid var(--line);
  border-radius:0;
  padding:12px 14px;
  background: rgba(255,255,255,.03);
  cursor:pointer;
  text-decoration:none !important;
  user-select:none;
  font-size:13px;
  letter-spacing:.02em;
}
.btn:hover{
  background: rgba(255,255,255,.06);
}
.btn--primary{
  background: rgba(36,118,255,.25);
  border-color: rgba(36,118,255,.55);
}
.btn--primary:hover{
  background: rgba(36,118,255,.33);
}
.btn--secondary{
  background: rgba(244,180,0,.20);
  border-color: rgba(244,180,0,.55);
}
.btn--secondary:hover{
  background: rgba(244,180,0,.27);
}
.btn--ghost{
  background: transparent;
}

/* Hero */
.hero{
  position:relative;
  min-height:100vh;
  padding-top:76px;
  display:flex;
  align-items:stretch;
}
.hero__bg{
  position:absolute;
  inset:0;
  background:
    radial-gradient(1000px 600px at 20% 30%, rgba(36,118,255,.18), transparent 60%),
    radial-gradient(900px 540px at 70% 20%, rgba(244,180,0,.10), transparent 55%),
    radial-gradient(800px 520px at 75% 75%, rgba(232,93,117,.10), transparent 60%);
  opacity:.9;
  pointer-events:none;
}
.hero__inner{
  position:relative;
  width:100%;
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap:32px;
  padding:42px 24px 26px;
  width:min(1180px, calc(100% - 48px));
  margin:0 auto;
  align-items:stretch;
}
.hero__copy{
  padding:10px 0;
}
.hero__kicker{
  font-size:12px;
  color: var(--muted);
  letter-spacing:.10em;
  text-transform:uppercase;
  margin:0 0 12px;
}
.hero__title{
  font-family: var(--serif);
  font-size:44px;
  line-height:1.02;
  margin:0 0 14px;
  letter-spacing:.01em;
}
.hero__lead{
  margin:0 0 18px;
  font-size:16px;
  color: rgba(255,255,255,.88);
  line-height:1.45;
  max-width:56ch;
}
.hero__cta{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin: 0 0 14px;
}
.hero__micro{
  margin:0;
  color: var(--muted);
  font-size:13px;
  max-width:62ch;
}

/* Canvas */
.hero__canvas{
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  position:relative;
  overflow:hidden;
}
.tiles{
  position:absolute;
  inset:0;
}
.tile{
  position:absolute;
  width:180px;
  height:140px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.10);
  backdrop-filter: blur(10px);
  cursor:grab;
}
.tile:active{ cursor:grabbing; }
.tile__label{
  position:absolute;
  left:10px;
  top:10px;
  font-size:12px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color: rgba(255,255,255,.86);
}
.tile__sub{
  position:absolute;
  left:10px;
  bottom:10px;
  right:10px;
  font-size:12px;
  color: rgba(255,255,255,.72);
  line-height:1.25;
}
.hero__hint{
  position:absolute;
  left:12px;
  bottom:12px;
  color: rgba(255,255,255,.76);
  font-size:12px;
  background: rgba(0,0,0,.25);
  border:1px solid rgba(255,255,255,.10);
  padding:8px 10px;
}
.hero__hintKey{
  font-family: var(--mono);
  font-size:12px;
}

/* Scroll cue */
.scrollCue{
  position:absolute;
  left:50%;
  bottom:14px;
  transform: translateX(-50%);
  display:flex;
  gap:10px;
  align-items:center;
  color: rgba(255,255,255,.70);
  font-size:12px;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.scrollCue__arrow{ font-size:18px; }

/* Bands */
.band{
  padding: 54px 0 54px;
  border-top:1px solid rgba(255,255,255,.08);
}
.band__head{
  display:flex;
  flex-direction:column;
  gap:12px;
  margin-bottom:18px;
}
.band__head h2{
  font-family: var(--serif);
  font-size:34px;
  line-height:1.1;
  margin:0;
}
.band__head .lead{
  margin:0;
  font-size:15px;
  color: rgba(255,255,255,.82);
  max-width:75ch;
  line-height:1.55;
}

.band--paper{
  background:
    linear-gradient(180deg, rgba(246,240,231,.06), rgba(246,240,231,.02) 40%, transparent),
    radial-gradient(900px 540px at 35% 20%, rgba(255,255,255,.04), transparent 60%);
}
.band--ivy{
  background:
    radial-gradient(950px 540px at 10% 30%, rgba(46,90,70,.16), transparent 60%),
    radial-gradient(900px 520px at 80% 40%, rgba(36,118,255,.10), transparent 60%);
}
.band--birch{
  background:
    radial-gradient(900px 600px at 30% 20%, rgba(244,180,0,.10), transparent 60%),
    radial-gradient(860px 560px at 70% 50%, rgba(232,93,117,.10), transparent 60%);
}

/* Haltung services */
.serviceList{
  display:flex;
  flex-direction:column;
  gap:14px;
  margin: 14px 0 18px;
}
.serviceRow{
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.03);
  padding:14px;
}
.serviceTitle{
  font-family: var(--serif);
  font-size:18px;
  margin-bottom:8px;
}
.serviceText{
  color: rgba(255,255,255,.82);
  line-height:1.55;
}
.stance__intro{
  margin:0;
  color: rgba(255,255,255,.84);
  line-height:1.55;
}
.stance__outro{
  margin: 18px 0 0;
  color: var(--muted);
  line-height:1.6;
}

/* Workfield */
.workField{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:18px;
  align-items:start;
}
.workCanvas{
  width:100%;
  height:auto;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.12);
}
.workControls{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:12px;
}
.codeBox{
  margin-top:12px;
  border:1px solid rgba(255,255,255,.12);
  padding:12px;
  background: rgba(255,255,255,.02);
}
.codeBox textarea{
  width:100%;
  background: transparent;
  border:1px solid rgba(255,255,255,.12);
  padding:10px;
  color: var(--fg);
  resize:none;
}
.wfHelp{
  margin-top:12px;
  border:1px solid rgba(255,255,255,.10);
  padding:12px;
  background: rgba(255,255,255,.02);
}
.wfHelp__grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:8px 14px;
  color: rgba(255,255,255,.78);
  font-size:13px;
}

/* Pattern UI */
.patternUI{
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.02);
  padding:14px;
}
.patternUI__top{
  display:grid;
  grid-template-columns: 1.2fr .8fr .6fr;
  gap:12px;
}
.field{
  display:flex;
  flex-direction:column;
  gap:6px;
}
.field__label{
  font-size:12px;
  color: var(--muted);
}
.field input, .field select{
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.12);
  padding:10px;
  color: var(--fg);
}
.patternUI__actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin: 12px 0;
}
.patternStage{
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.12);
  padding:10px;
}
.patternStage canvas{
  width:100%;
  height:auto;
  display:block;
}
.patternNotes{ margin-top:10px; }

/* Masonry */
.masonry{
  columns: 3 240px;
  column-gap:14px;
}
.masonryItem{
  break-inside: avoid;
  margin: 0 0 14px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.02);
  overflow:hidden;
}
.masonryItem__img{
  width:100%;
  aspect-ratio: 4/3;
  background: rgba(0,0,0,.18);
}
.masonryItem__cap{
  padding:12px;
  display:flex;
  flex-direction:column;
  gap:6px;
}
.moreBar{
  margin-top:18px;
  display:flex;
  justify-content:center;
}

/* Paper detail content */
.paper{
  padding:18px 18px 24px;
}
.paper h2, .paper h3{
  font-family: var(--serif);
}
.paper p{ line-height:1.6; }
.paper figure{ margin:0 0 14px; }
.paper img{ border:1px solid rgba(255,255,255,.12); }

/* Kontakt */
.contactGrid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:18px;
}
.paperCard{
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.02);
  padding:16px;
}
.paperCard h3{
  margin:0 0 10px;
  font-family: var(--serif);
  font-size:22px;
}
.contactBtns{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:12px;
}
.contactList{
  margin: 10px 0 12px;
  padding-left:18px;
}
.contactList li{ margin: 6px 0; }

/* KB block */
.kbAside{
  margin-top:18px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.02);
  padding:14px;
}
.kbFilters{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:12px;
}
.filterPill{
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.10);
  padding:10px 12px;
  cursor:pointer;
  border-radius:0;
  color: rgba(255,255,255,.86);
}
.filterPill.is-active{
  border-color: rgba(36,118,255,.55);
  background: rgba(36,118,255,.18);
}
.kbFeed{
  margin-top:16px;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
}
.kbCard{
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.02);
  padding:14px;
  cursor:pointer;
}
.kbCard:hover{
  background: rgba(255,255,255,.04);
}
.kbCard__title{
  font-family: var(--serif);
  font-size:18px;
  margin:0 0 8px;
}
.kbCard__meta{
  display:flex;
  gap:8px;
  align-items:center;
  flex-wrap:wrap;
  color: var(--muted);
  font-size:12px;
}
.kbMoreBar{
  margin-top:18px;
  display:flex;
  justify-content:center;
}

/* Responsive */
@media (max-width: 980px){
  .hero__inner{ grid-template-columns: 1fr; }
  .workField{ grid-template-columns: 1fr; }
  .kbFeed{ grid-template-columns: 1fr; }
  .masonry{ columns: 2 240px; }
  .contactGrid{ grid-template-columns: 1fr; }
}

@media (max-width: 560px){
  .hero__title{ font-size:36px; }
  .masonry{ columns: 1 240px; }
  .patternUI__top{ grid-template-columns: 1fr; }
}

/* === Accordion: Band-Header mit Pfeil rechts === */
.band__topline{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:18px;
}

.band__topline h2{ margin:0; }

.band__toggleBtn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  border:1px solid var(--line);
  background: transparent;
  padding:10px 12px;
  border-radius:0;
  cursor:pointer;
  color: inherit;
  font-family: var(--mono);
}

.band__toggleBtn:focus-visible{
  outline:2px solid currentColor;
  outline-offset:6px;
}

.band__chev{
  display:inline-block;
  line-height:1;
  transform: rotate(0deg);
  transition: transform .18s ease;
  font-size:18px;
}

.band__toggleBtn[aria-expanded="true"] .band__chev{
  transform: rotate(180deg);
}

.band__panel{
  padding-top:10px;
}

.band__panel[hidden]{
  display:none;
}