/* ==========================================================================
   dev.hd-ki.de – Demo-Übersicht
   Farben und Schriften nach hd-ki.de
   ========================================================================== */

@font-face { font-family: 'Instrument Sans'; font-style: normal; font-weight: 400; font-display: swap; src: url('../fonts/instrument-sans-v4-latin-regular.woff2') format('woff2'); }
@font-face { font-family: 'Instrument Sans'; font-style: normal; font-weight: 500; font-display: swap; src: url('../fonts/instrument-sans-v4-latin-500.woff2') format('woff2'); }
@font-face { font-family: 'Instrument Sans'; font-style: normal; font-weight: 600; font-display: swap; src: url('../fonts/instrument-sans-v4-latin-600.woff2') format('woff2'); }
@font-face { font-family: 'Instrument Sans'; font-style: normal; font-weight: 700; font-display: swap; src: url('../fonts/instrument-sans-v4-latin-700.woff2') format('woff2'); }
@font-face { font-family: 'Instrument Serif'; font-style: normal; font-weight: 400; font-display: swap; src: url('../fonts/instrument-serif-v5-latin-regular.woff2') format('woff2'); }
@font-face { font-family: 'Instrument Serif'; font-style: italic; font-weight: 400; font-display: swap; src: url('../fonts/instrument-serif-v5-latin-italic.woff2') format('woff2'); }

:root {
  --navy: #0d0d45;
  --navy-rgb: 13, 13, 69;
  --green: #8abd22;
  --green-light: #abdb30;
  --mint: #ecf2db;
  --lilac: #cacad2;
  --paper: #fafaf7;
  --white: #ffffff;
  --text: #0d0d45;
  --muted: #5c5c7a;
  --line: rgba(var(--navy-rgb), 0.1);

  --font-sans: 'Instrument Sans', 'Open Sans', Arial, Helvetica, sans-serif;
  --font-serif: 'Instrument Serif', 'Times New Roman', serif;

  --radius: 1rem;
  --radius-lg: 2rem;
  --wrap: 1200px;
  --gutter: clamp(1rem, 4vw, 2rem);
  --shadow: 0 1px 2px rgba(var(--navy-rgb), 0.04), 0 8px 24px rgba(var(--navy-rgb), 0.06);
  --shadow-hover: 0 2px 4px rgba(var(--navy-rgb), 0.06), 0 18px 40px rgba(var(--navy-rgb), 0.12);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; }
button, input { font: inherit; color: inherit; }

.wrap {
  width: 100%;
  max-width: calc(var(--wrap) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

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

:focus-visible {
  outline: 3px solid var(--green);
  outline-offset: 3px;
  border-radius: 6px;
}

/* --- Header -------------------------------------------------------------- */

.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
}

.brand img { height: 30px; width: auto; }

.brand-tag {
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  background: var(--mint);
  color: var(--navy);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.header-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  height: 2.75rem;
  padding: 0 0.3rem 0 1.15rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  transition: background .25s, color .25s, border-color .25s;
}

.header-link-icon {
  display: grid;
  place-items: center;
  width: 2.1rem; height: 2.1rem;
  border-radius: 50%;
  background: var(--green);
  color: var(--white);
  font-size: 0.95rem;
  transition: transform .25s ease, background .25s, color .25s;
}

.header-link:hover {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

.header-link:hover .header-link-icon {
  background: var(--green-light);
  color: var(--navy);
  transform: rotate(45deg);
}

.header-link svg,
.card-arrow svg {
  width: 1em; height: 1em;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* --- Hero ---------------------------------------------------------------- */

.hero {
  padding-block: clamp(3rem, 8vw, 6rem) clamp(2rem, 5vw, 3.5rem);
  background:
    radial-gradient(60rem 30rem at 100% 0%, rgba(171, 219, 48, 0.14), transparent 60%),
    var(--paper);
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--green);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  max-width: 14ch;
  font-size: clamp(2.6rem, 7vw, 5rem);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--navy);
}

.hero h1 em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0;
  background: linear-gradient(transparent 70%, rgba(171, 219, 48, 0.55) 70%, rgba(171, 219, 48, 0.55) 92%, transparent 92%);
  padding-inline: 0.04em;
}

.hero-lead {
  margin: 1.5rem 0 0;
  max-width: 38rem;
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  color: var(--muted);
}

/* --- Toolbar (Suche + Filter) -------------------------------------------- */

.toolbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, box-shadow .2s;
}

.toolbar.is-stuck {
  border-bottom-color: var(--line);
  box-shadow: 0 6px 20px rgba(var(--navy-rgb), 0.05);
}

.toolbar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
  padding-block: 1rem;
}

.search {
  position: relative;
  flex: 1 1 18rem;
  display: flex;
  align-items: center;
}

.search > svg {
  position: absolute;
  left: 1.1rem;
  width: 1.1rem; height: 1.1rem;
  fill: none;
  stroke: var(--muted);
  stroke-width: 2;
  stroke-linecap: round;
  pointer-events: none;
}

.search input {
  width: 100%;
  height: 3rem;
  padding: 0 3rem 0 2.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  font-size: 1rem;
  transition: border-color .2s, box-shadow .2s;
}

.search input::placeholder { color: #8b8ba3; }

.search input:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 4px rgba(138, 189, 34, 0.18);
}

.search input::-webkit-search-cancel-button { cursor: pointer; }

.search kbd {
  position: absolute;
  right: 1rem;
  padding: 0.05rem 0.45rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--muted);
  pointer-events: none;
}

.search input:focus ~ kbd,
.search input:not(:placeholder-shown) ~ kbd { display: none; }

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  height: 2.6rem;
  padding: 0 1.1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
}

.chip:hover { border-color: var(--navy); }

.chip[aria-pressed="true"] {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

.chip-count {
  min-width: 1.5rem;
  padding: 0 0.35rem;
  border-radius: 999px;
  background: var(--mint);
  color: var(--navy);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0;
  text-align: center;
}

.chip[aria-pressed="true"] .chip-count { background: var(--green); color: var(--navy); }

/* --- Kategorien ---------------------------------------------------------- */

#catalog { padding-block: 0 5rem; }

.catalog-actions {
  display: flex;
  justify-content: flex-end;
  padding-top: 1.5rem;
}

.toggle-all {
  padding: 0.35rem 0;
  border: 0;
  background: none;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted);
  cursor: pointer;
  transition: color .2s;
}

.toggle-all:hover { color: var(--navy); }

.category { scroll-margin-top: 6rem; border-bottom: 1px solid var(--line); }

.category-title { margin: 0; font: inherit; }

/* Kopfzeile = Klappschalter */
.category-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  column-gap: 1rem;
  width: 100%;
  padding: clamp(1.5rem, 3vw, 2rem) 0;
  border: 0;
  background: none;
  text-align: left;
  cursor: pointer;
}

.category-head:disabled { cursor: default; }

.category-num {
  align-self: baseline;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1;
  color: var(--green);
}

.category-text { display: flex; flex-direction: column; min-width: 0; }

.category-name {
  font-size: clamp(1.6rem, 3.5vw, 2.25rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.01em;
  transition: color .2s;
}

.category-head:not(:disabled):hover .category-name { color: var(--green); }

.category-lead {
  margin-top: 0.4rem;
  color: var(--muted);
}

.category-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Kleine Vorschaubilder als Stapel */
.category-stack { display: flex; padding-left: 0.6rem; }

.category-stack img {
  width: 2.6rem; height: 2.6rem;
  margin-left: -0.6rem;
  border: 2px solid var(--white);
  border-radius: 0.7rem;
  object-fit: cover;
  object-position: top center;
  box-shadow: 0 2px 8px rgba(var(--navy-rgb), 0.15);
  transition: transform .25s ease;
}

.category-head:not(:disabled):hover .category-stack img { transform: translateY(-2px); }
.category-head:not(:disabled):hover .category-stack img:nth-child(2) { transition-delay: .03s; }
.category-head:not(:disabled):hover .category-stack img:nth-child(3) { transition-delay: .06s; }
.category-head:not(:disabled):hover .category-stack img:nth-child(4) { transition-delay: .09s; }

.category-count {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
  white-space: nowrap;
}

.category-chevron {
  display: grid;
  place-items: center;
  width: 2.6rem; height: 2.6rem;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--navy);
  transition: transform .3s ease, background .2s, border-color .2s;
}

.category-chevron svg {
  width: 1.1rem; height: 1.1rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.category-head:not(:disabled):hover .category-chevron { background: var(--mint); border-color: var(--mint); }
.category.is-open .category-chevron { transform: rotate(180deg); }
.category-head:disabled .category-chevron { visibility: hidden; }

/* Offen: Stapel ausblenden, die Karten zeigen ja schon alles */
.category.is-open .category-stack { opacity: 0; pointer-events: none; }
.category-stack { transition: opacity .2s; }

/* Auf- und Zuklappen über grid-template-rows (animiert auf Inhaltshöhe) */
.category-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .4s ease, visibility 0s .4s;
  visibility: hidden;
}

.category.is-open .category-panel {
  grid-template-rows: 1fr;
  transition: grid-template-rows .4s ease, visibility 0s 0s;
  visibility: visible;
}

/* Negativer Rand, damit die Kartenschatten seitlich nicht abgeschnitten werden */
.category-panel-inner { min-height: 0; overflow: hidden; margin-inline: -1rem; padding-inline: 1rem; }

/* Platz für Hover-Anhebung und Schatten der Karten */
.category-panel-inner > .grid { padding: 0.25rem 0 clamp(2rem, 4vw, 3rem); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr));
  gap: 1.25rem;
}

/* --- Karten -------------------------------------------------------------- */

/* Farbton je Kategorie: Rahmen hinter dem Vorschaubild + Icon */
.card                       { --tint: var(--mint);  --tint-ink: var(--navy); }
.card[data-cat="live"]      { --tint: var(--navy);  --tint-ink: var(--green-light); }
.card[data-cat="systeme"]   { --tint: #e4e4ec;      --tint-ink: var(--navy); }

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow);
  text-decoration: none;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: rgba(138, 189, 34, 0.6);
  box-shadow: var(--shadow-hover);
}

.card:focus-visible { border-radius: var(--radius-lg); }

/* Noch ohne Link: nicht klickbar, etwas zurückgenommen */
.card.is-pending { box-shadow: none; border-style: dashed; }
.card.is-pending:hover { transform: none; border-color: var(--line); box-shadow: none; }
.card.is-pending:hover .card-icon { transform: rotate(-6deg); background: var(--tint); color: var(--tint-ink); }
.card.is-pending .card-host { font-style: italic; }

/* Vorschaubild: Screenshot ragt wie ein Fenster aus dem farbigen Rahmen */
.card-media {
  position: relative;
  aspect-ratio: 16 / 10;
  padding: 1rem 1rem 0;
  background: var(--tint);
  overflow: hidden;
}

.card-media img,
.card-placeholder {
  width: 100%;
  height: 100%;
  border-radius: 0.75rem 0.75rem 0 0;
  box-shadow: 0 -2px 18px rgba(var(--navy-rgb), 0.18);
}

.card-media img {
  object-fit: cover;
  object-position: top center;
  background: var(--white);
  transform-origin: top center;
  transition: transform .5s ease;
}

.card:hover .card-media img { transform: scale(1.04); }

.card-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background:
    repeating-linear-gradient(135deg, transparent 0 14px, rgba(var(--navy-rgb), 0.03) 14px 28px),
    rgba(255, 255, 255, 0.6);
  color: var(--navy);
}

.card-placeholder span {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  opacity: 0.55;
}

.card-placeholder svg {
  width: 3.5rem; height: 3.5rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.4;
}

/* Icon sitzt auf der Kante zwischen Bild und Text */
.card-icon {
  position: absolute;
  left: 1.5rem;
  top: -1.4rem;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 2.8rem; height: 2.8rem;
  border: 3px solid var(--white);
  border-radius: 0.9rem;
  background: var(--tint);
  color: var(--tint-ink);
  transform: rotate(-6deg);
  transition: transform .25s ease, background .25s ease, color .25s ease;
}

.card-media::after {
  content: '';
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: var(--line);
}

.card:hover .card-icon { transform: rotate(0); background: var(--green-light); color: var(--navy); }

.card-icon svg {
  width: 1.3rem; height: 1.3rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.card-body {
  position: relative;
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 2.1rem 1.5rem 1.5rem;
}

.card-media .badge {
  position: absolute;
  top: 1.6rem;
  right: 1.6rem;
  box-shadow: 0 4px 14px rgba(var(--navy-rgb), 0.35);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  background: var(--navy);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.badge-login { gap: 0.35rem; }

.badge-login svg {
  width: 0.85rem; height: 0.85rem;
  fill: none;
  stroke: var(--green-light);
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.badge-live::before {
  content: '';
  width: 0.5rem; height: 0.5rem;
  border-radius: 50%;
  background: var(--green-light);
  box-shadow: 0 0 0 0 rgba(171, 219, 48, 0.7);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(171, 219, 48, 0.7); }
  70%  { box-shadow: 0 0 0 7px rgba(171, 219, 48, 0); }
  100% { box-shadow: 0 0 0 0 rgba(171, 219, 48, 0); }
}

.card-client {
  margin: 0 0 0.25rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--green);
}

.card h3 {
  margin: 0;
  font-size: 1.4rem;
  font-weight: 600;
  line-height: 1.2;
}

.card-text {
  margin: 0.5rem 0 0;
  color: var(--muted);
  font-size: 0.97rem;
}

.card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: auto;
  padding-top: 1.5rem;
}

.card-host {
  overflow: hidden;
  font-size: 0.8rem;
  color: #8b8ba3;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.card-arrow {
  flex: none;
  display: grid;
  place-items: center;
  width: 2.6rem; height: 2.6rem;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  font-size: 1.05rem;
  transition: background .25s ease, color .25s ease, transform .25s ease;
}

.card:hover .card-arrow {
  background: var(--green);
  color: var(--navy);
  transform: rotate(45deg);
}

mark {
  background: rgba(171, 219, 48, 0.45);
  color: inherit;
  border-radius: 3px;
  padding-inline: 0.05em;
}

/* --- Leerer Zustand ------------------------------------------------------ */

.empty {
  padding-block: 2rem 6rem;
  text-align: center;
  color: var(--muted);
  font-size: 1.1rem;
}

.btn {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 1rem 2rem;
  border: none;
  border-radius: var(--radius-lg);
  background: var(--green);
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .2s;
}

.btn:hover { background: var(--navy); }

/* --- Footer -------------------------------------------------------------- */

.site-footer {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.92rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem 2.5rem;
  padding-block: 3rem;
}

.footer-brand img { height: 26px; width: auto; }
.footer-brand p { margin: 0.6rem 0 0; }

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}

.footer-nav a {
  color: var(--white);
  text-decoration: none;
  transition: color .2s;
}

.footer-nav a:hover { color: var(--green-light); }

.copyright {
  flex-basis: 100%;
  margin: 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.55);
}

/* --- Responsive & Motion ------------------------------------------------- */

@media (max-width: 640px) {
  .header-inner { min-height: 64px; }
  .brand img { height: 24px; }
  .header-link { height: 2.4rem; gap: 0.5rem; padding-left: 0.9rem; font-size: 0.72rem; }
  .header-link-icon { width: 1.8rem; height: 1.8rem; }
  .header-link-prefix { display: none; }
  .toolbar-inner { padding-block: 0.75rem; }
  .filters { flex-wrap: nowrap; overflow-x: auto; margin-inline: calc(-1 * var(--gutter)); padding-inline: var(--gutter); scrollbar-width: none; }
  .filters::-webkit-scrollbar { display: none; }
  .chip { flex: none; }
  .search kbd { display: none; }
  .card { border-radius: 1.5rem; }
  .category-head { grid-template-columns: auto 1fr auto; column-gap: 0.75rem; }
  .category-lead { font-size: 0.92rem; }
  .category-stack, .category-count { display: none; }
  .category-chevron { width: 2.3rem; height: 2.3rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}