/* CSS: Glossar – moderne, zugängliche Gestaltung */
:root {
  color-scheme: light;
  /* Light theme */
  --bg: #ffffff;
  --bg-elev: #ffffff;
  --text: #111827;
  /* gray-900 */
  --muted: #6b7280;
  /* gray-500 */
  --primary: #06b6d4;
  /* cyan-500 */
  --primary-2: #2563eb;
  /* blue-600 */
  --accent: #10b981;
  /* emerald-500 */
  --danger: #ef4444;
  /* red-500 */
  --chip-bg: rgba(6, 182, 212, 0.12);
  --card: #ffffff;
  --border: rgba(17, 24, 39, 0.1);
  --shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: var(--bg);
}

.container {
  width: min(1100px, 92%);
  margin-inline: auto;
}

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

.skip-link {
  position: absolute;
  left: 0.5rem;
  top: 0.5rem;
  background: var(--primary);
  color: white;
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  transform: translateY(-200%);
  transition: transform 200ms ease;
  z-index: 1000;
}

.skip-link:focus {
  transform: translateY(0);
}

/* Header with background image */
.site-header {
  background:
    linear-gradient(180deg, rgba(17, 24, 39, 0.45), rgba(17, 24, 39, 0.35)),
    url('../assets/images/header_image.jpeg') center/cover no-repeat;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  color: #fff;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
}

/* Back link (detail pages) */
.back-link {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.6rem;
  padding: 0 1.2rem 0 0.5rem;
  width: auto;
  height: 44px;
  border-radius: 999px;
  color: #0f172a;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  margin-right: 0;
}

.back-link:hover,
.back-link:focus {
  background: rgba(255, 255, 255, 0.816);
  color: #0369a1;
}

.back-link svg {
  flex-shrink: 0;
}

.back-text {
  margin-left: 0.2rem;
  font-size: 1rem;
  font-weight: 500;
}

.overview-link {
  display: none !important;
}

/* Hero (Startseite) */
.header-inner.hero {
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  gap: .5rem;
  padding: 3rem 0 2.25rem;
}

.hero-title {
  font-size: clamp(1.8rem, 2.2vw + 1rem, 2.8rem);
  margin: 0;
  color: #fff;
}

.hero-subtitle {
  margin: 0.25rem 0 1rem;
  color: #e5e7eb;
  max-width: 52ch;
}

.hero-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  width: 100%;
  margin-top: 0.5rem;
}

.hero-card {
  text-align: center;
  padding: .9rem;
  border-radius: 12px;
  background: #ffffff;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.hero-icon {
  display: inline-flex;
  padding: .6rem;
  border-radius: 12px;
  margin-bottom: .5rem;
  background: rgba(6, 182, 212, .12);
  border: 1px solid rgba(6, 182, 212, .35);
  color: #0891b2;
}

.hero-card-title {
  margin: 0 0 .15rem;
  font-weight: 600;
  color: #111827;
}

.hero-card-desc {
  margin: 0;
  color: #374151;
  font-size: .95rem;
}

.hero-icon[hero-icon="logistik"] {
  background: #e9fbf0;
  border: 0;
  color: #e9fbf0;
}

.hero-icon[hero-icon="it"] {
  border: 0;
}

.hero-icon[hero-icon="marketing"] {
  background: #f3e8fd;
  border: 0;
  color: #f3e8fd;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text);
}

.brand-text {
  font-weight: 700;
  letter-spacing: .2px;
}

.site-nav ul {
  list-style: none;
  display: flex;
  gap: 1rem;
  padding: 0;
  margin: 0;
}

.site-nav a {
  color: #f3f4f6;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus {
  color: #ffffff;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.nav-toggle .nav-toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  margin: 5px 0;
  transition: transform .2s ease;
}

/* Sections */
.search-section,
.filter-section,
.terms-section {
  padding-block: 1.25rem;
}

.search-controls {
  display: grid;
  gap: 0.5rem;
}

.search-label {
  font-weight: 600;
}

.help-text {
  color: var(--muted);
  font-size: 0.9rem;
}

#suchfeld {
  appearance: none;
  width: 100%;
  padding: 0.9rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: #ffffff;
  color: #111827;
  outline: none;
  box-shadow: inset 0 0 0 1px rgba(17, 24, 39, 0.02), var(--shadow);
}

#suchfeld:focus {
  border-color: rgba(6, 182, 212, 0.6);
  box-shadow: 0 0 0 4px rgba(6, 182, 212, 0.25);
}

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

.filter-btn {
  background: #ffffff;
  color: #111827;
  border: 1px solid var(--border);
  padding: 0.5rem 0.8rem;
  border-radius: 999px;
  cursor: pointer;
  transition: transform .1s ease, background .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.filter-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, .08);
}

.filter-btn.is-active,
.filter-btn[aria-pressed="true"] {
  background: rgba(6, 182, 212, .10);
  border-color: rgba(6, 182, 212, .45);
  color: #0f172a;
}

.card-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

@media (max-width: 900px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}

.card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
  transform: translateZ(0);
  transition: transform .15s ease, box-shadow .2s ease, border-color .2s ease;
  animation: fadeIn .35s ease both;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  aspect-ratio: 3/1.7;
  min-height: 160px;
  max-width: 100%;
  position: relative;
}

.card button:focus {
  outline: 0;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, .12);
  border-color: rgba(17, 24, 39, .12);
}

.card .term-title {
  margin: 0 0 .35rem;
  font-size: 1.1rem;
}

.card .term-title a {
  color: #111827;
  text-decoration: none;
}

.card .term-title a:hover {
  text-decoration: underline;
}

.card .term-description {
  margin: 0 0 .9rem;
  color: var(--muted);
}

.card-arrow {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  color: #cbd5e1;
  pointer-events: none;
  z-index: 2;
  transition: color 0.2s;
}

.card:hover .card-arrow {
  color: #2563eb;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: .4ch;
  font-size: .8rem;
  padding: .35rem .6rem;
  border-radius: 999px;
  border: 0;
  background: var(--chip-bg);
}

.chip[data-chip="logistik"] {
  background: #e9fbf0;
  color: #1196007d;
}

.chip[data-chip="it"] {
  background: rgba(6, 182, 212, .12);
  color: #0891b2;
}

.chip[data-chip="marketing"] {
  background: #f3e8fd;
  color: #b76aff;
}

.no-results {
  color: var(--muted);
  padding: .5rem;
}

mark.highlight {
  background: rgba(250, 204, 21, .35);
  color: #92400e;
  padding: 0 .2rem;
  border-radius: 0.25rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 2rem;
  padding: 1rem 0;
  color: var(--muted);
  background: #ffffff;
}

.site-footer a {
  color: var(--muted);
}

.site-footer a:hover {
  color: var(--text);
}

/* Detailseite Layout */
.article {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow);
}

.article h1 {
  margin-top: 0;
  font-size: 1.8rem;
}

.article h2 {
  margin-top: 1.5rem;
  font-size: 1.25rem;
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  border: 1px solid var(--border);
  padding: .6rem .7rem;
  vertical-align: top;
}

.table th {
  text-align: left;
  color: #111827;
}

.ext-links a {
  color: #2563eb;
}

.ext-links a:hover {
  color: #1d4ed8;
}

.related {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  padding: 0;
  list-style: none;
}

.related a {
  text-decoration: none;
  color: #111827;
  background: #ffffff;
  border: 1px solid var(--border);
  padding: .35rem .6rem;
  border-radius: 999px;
  box-shadow: var(--shadow);
}

.related a:hover {
  background: rgba(6, 182, 212, .08);
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 820px) {
  .site-nav {
    display: none;
  }

  .nav-toggle {
    display: inline-block;
  }

  .site-nav.is-open {
    display: block;
    position: absolute;
    top: 100%;
    right: 0;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 0 0 0 12px;
    padding: .5rem 1rem;
  }

  .site-nav.is-open ul {
    flex-direction: column;
    gap: .5rem;
  }
}

/* Print Styles */
@media print {
  body {
    background: white;
    color: #111827;
  }

  .site-header,
  .site-footer,
  .filter-section,
  .search-section {
    display: none !important;
  }

  .card {
    box-shadow: none;
    border-color: #e5e7eb;
  }
}

.card[hidden] {
  visibility: hidden;
  position: absolute;
  pointer-events: none;
}

.card {
  position: relative;
  overflow: hidden;
}

.card-link {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  width: 100%;
  height: 100%;
  color: inherit;
  text-decoration: none;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
}

.card-link:focus {
  outline: none;
}

.card-link:hover .card-arrow,
.card-link:focus .card-arrow {
  color: #2563eb;
}

.card .term-title,
.card .term-title a {
  color: #111827;
  text-decoration: none;
}

.card-link:hover .term-title,

.card-title-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.2rem;
}

.card-title-row svg {
  flex-shrink: 0;
  color: #0891b2;
}

.hero-icon[hero-icon="logistik"] svg {
  flex-shrink: 0;
  color: #1196007d;
}

/* .hero-icon[hero-icon="it"] svg {
  flex-shrink: 0;
  color: #1196007d;
} */

.hero-icon[hero-icon="marketing"] svg {
  flex-shrink: 0;
  color: #b76aff;
}

.card-bottom-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-top: auto;
  width: 100%;
}

.card-bottom-row .term-meta {
  margin: 0;
}

.card-bottom-row .card-arrow {
  position: static;
  margin-left: 1rem;
}