/* Zentrale Demo-Auswahl: bewusst als eigenstaendige Showcase-Seite gestaltet. */
.it4r-demo-hub {
  --demo-ink: #0b1622;
  --demo-panel: #111f2d;
  --demo-copy: #172638;
  --demo-muted: #607083;
  --demo-soft: #f2f5f7;
  --demo-line: #dce3e9;
  --demo-accent: #ff7f50;
  overflow: hidden;
  color: var(--demo-copy);
  background: #fff;
}

.it4r-demo-hub [hidden] {
  display: none !important;
}

/* Die globale Seitenhuelle hat bewusst keine eigenen Innenabstaende. Die
   Demo-Uebersicht braucht deshalb eine feste Lesegasse auf allen Viewports. */
.it4r-demo-hub .it4r-page-inner {
  width: min(calc(100% - 40px), 1180px);
}

.it4r-demo-hub__hero {
  position: relative;
  min-height: 660px;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px),
    var(--demo-ink);
  background-size: 64px 64px;
}

.it4r-demo-hub__hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, rgba(11,22,34,.15), rgba(11,22,34,.78));
  pointer-events: none;
}

.it4r-demo-hub__hero-glow {
  position: absolute;
  top: -220px;
  right: -140px;
  width: 720px;
  height: 720px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,127,80,.22), rgba(15,118,110,.09) 42%, transparent 70%);
  pointer-events: none;
}

.it4r-demo-hub__hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  padding-top: clamp(88px, 10vw, 138px);
  padding-bottom: clamp(88px, 10vw, 138px);
  grid-template-columns: minmax(0, 1.25fr) minmax(310px, .75fr);
  gap: clamp(60px, 9vw, 130px);
  align-items: end;
}

.it4r-demo-hub__hero-content {
  max-width: 790px;
}

.it4r-demo-hub__hero .it4r-page-eyebrow {
  margin-bottom: 24px;
  color: var(--demo-accent);
}

.it4r-demo-hub__hero h1 {
  max-width: 860px;
  margin: 0 0 28px;
  color: #fff;
  font-size: clamp(3.35rem, 7.2vw, 7.35rem);
  line-height: .96;
  letter-spacing: -.065em;
}

.it4r-demo-hub__hero .it4r-page-lead {
  max-width: 760px;
  margin-bottom: 36px;
  color: #bdc8d4;
  font-size: clamp(1.08rem, 1.65vw, 1.3rem);
}

.it4r-demo-hub__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  align-items: center;
}

.it4r-demo-hub__text-link {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  color: inherit;
  font-weight: 800;
  text-decoration: none;
}

.it4r-demo-hub__text-link:hover,
.it4r-demo-hub__text-link:focus {
  color: var(--demo-accent);
}

.it4r-demo-hub__metrics {
  display: grid;
  margin: 0;
  grid-template-columns: repeat(2, 1fr);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 26px;
  background: rgba(255,255,255,.055);
  box-shadow: 0 30px 80px rgba(0,0,0,.2);
  backdrop-filter: blur(16px);
}

.it4r-demo-hub__metrics div {
  min-height: 150px;
  padding: 28px;
}

.it4r-demo-hub__metrics div:nth-child(odd) {
  border-right: 1px solid rgba(255,255,255,.12);
}

.it4r-demo-hub__metrics div:nth-child(-n+2) {
  border-bottom: 1px solid rgba(255,255,255,.12);
}

.it4r-demo-hub__metrics dt {
  margin-bottom: 12px;
  color: #fff;
  font-size: clamp(2rem, 4vw, 3.35rem);
  font-weight: 850;
  line-height: 1;
  letter-spacing: -.055em;
}

.it4r-demo-hub__metrics dd {
  margin: 0;
  color: #9eacbb;
  font-size: .86rem;
  font-weight: 700;
}

.it4r-demo-hub__intro {
  padding: clamp(72px, 9vw, 118px) 0;
  border-bottom: 1px solid var(--demo-line);
}

.it4r-demo-hub__intro-grid {
  display: grid;
  grid-template-columns: 1fr .8fr;
  gap: clamp(50px, 10vw, 150px);
  align-items: end;
}

.it4r-demo-hub__intro h2,
.it4r-demo-hub__section-head h2,
.it4r-demo-hub__cta h2 {
  margin-bottom: 0;
  color: var(--demo-copy);
  font-size: clamp(2.35rem, 5vw, 4.8rem);
  line-height: 1.02;
  letter-spacing: -.055em;
}

.it4r-demo-hub__intro-grid > p,
.it4r-demo-hub__section-head > p {
  margin: 0;
  color: var(--demo-muted);
  font-size: 1.1rem;
}

.it4r-demo-hub__showcase {
  padding: clamp(82px, 10vw, 140px) 0;
  background: var(--demo-soft);
}

.it4r-demo-hub__section-head {
  display: grid;
  margin-bottom: 44px;
  grid-template-columns: 1.25fr .75fr;
  gap: clamp(45px, 8vw, 120px);
  align-items: end;
}

.it4r-demo-hub__filters {
  display: flex;
  margin-bottom: 34px;
  padding-bottom: 4px;
  flex-wrap: wrap;
  gap: 10px;
}

.it4r-demo-hub__filters button {
  display: inline-flex;
  min-height: 46px;
  padding: 10px 15px 10px 19px;
  gap: 10px;
  align-items: center;
  border: 1px solid var(--demo-line);
  border-radius: 999px;
  color: #405064;
  background: #fff;
  font-size: .88rem;
  font-weight: 800;
  cursor: pointer;
  transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease;
}

.it4r-demo-hub__filters button span {
  display: grid;
  min-width: 24px;
  min-height: 24px;
  padding: 2px 6px;
  place-items: center;
  border-radius: 999px;
  color: #657488;
  background: #eef2f5;
  font-size: .73rem;
}

.it4r-demo-hub__filters button:hover {
  border-color: #93a1af;
  transform: translateY(-1px);
}

.it4r-demo-hub__filters button.is-active {
  color: #fff;
  border-color: var(--demo-copy);
  background: var(--demo-copy);
}

.it4r-demo-hub__filters button.is-active span {
  color: var(--demo-copy);
  background: #fff;
}

.it4r-demo-hub__filters button:focus-visible,
.it4r-demo-card a:focus-visible {
  outline: 3px solid rgba(255,127,80,.5);
  outline-offset: 4px;
}

.it4r-demo-hub__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.it4r-demo-card {
  --card-accent: #bf5b33;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--demo-line);
  border-radius: 28px;
  background: #fff;
  box-shadow: 0 20px 65px rgba(23,38,56,.08);
  transition: transform .25s ease, box-shadow .25s ease;
}

.it4r-demo-card:hover {
  box-shadow: 0 26px 78px rgba(23,38,56,.14);
  transform: translateY(-5px);
}

.it4r-demo-card--teal { --card-accent: #0f766e; }
.it4r-demo-card--red { --card-accent: #b6342b; }
.it4r-demo-card--sage { --card-accent: #627b68; }

.it4r-demo-card__visual {
  position: relative;
  aspect-ratio: 16 / 9.6;
  overflow: hidden;
  background: #dfe5e9;
}

.it4r-demo-card__visual > a {
  display: block;
  height: 100%;
}

.it4r-demo-card__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform .5s cubic-bezier(.2,.7,.2,1);
}

.it4r-demo-card--red .it4r-demo-card__visual img,
.it4r-demo-card--sage .it4r-demo-card__visual img {
  object-position: center;
}

.it4r-demo-card:hover .it4r-demo-card__visual img {
  transform: scale(1.025);
}

.it4r-demo-card__browser {
  position: absolute;
  z-index: 2;
  top: 15px;
  right: 15px;
  left: 15px;
  display: flex;
  height: 34px;
  padding: 0 14px;
  gap: 6px;
  align-items: center;
  border: 1px solid rgba(255,255,255,.7);
  border-radius: 10px 10px 3px 3px;
  background: rgba(255,255,255,.88);
  box-shadow: 0 8px 20px rgba(14,27,40,.12);
  backdrop-filter: blur(10px);
}

.it4r-demo-card__browser i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #c6cdd3;
}

.it4r-demo-card__browser i:first-child { background: #e78568; }
.it4r-demo-card__browser i:nth-child(2) { background: #e5be64; }
.it4r-demo-card__browser i:nth-child(3) { background: #72b58d; }

.it4r-demo-card__browser b {
  min-width: 0;
  margin-left: 7px;
  overflow: hidden;
  color: #687583;
  font-size: .65rem;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.it4r-demo-card__status {
  position: absolute;
  z-index: 3;
  right: 18px;
  bottom: 18px;
  display: inline-flex;
  min-height: 35px;
  padding: 8px 12px;
  gap: 7px;
  align-items: center;
  border-radius: 999px;
  color: #fff;
  background: rgba(11,22,34,.86);
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .035em;
  backdrop-filter: blur(10px);
}

.it4r-demo-card__status i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #6ed29a;
  box-shadow: 0 0 0 4px rgba(110,210,154,.15);
}

.it4r-demo-card__body {
  padding: clamp(28px, 4vw, 42px);
}

.it4r-demo-card__meta {
  display: flex;
  margin-bottom: 26px;
  gap: 18px;
  align-items: flex-start;
  justify-content: space-between;
}

.it4r-demo-card__meta > span {
  color: var(--card-accent);
  font-size: .77rem;
  font-weight: 900;
  letter-spacing: .12em;
}

.it4r-demo-card__meta ul {
  display: flex;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
  gap: 7px;
  justify-content: flex-end;
  list-style: none;
}

.it4r-demo-card__meta li {
  padding: 6px 9px;
  border: 1px solid var(--demo-line);
  border-radius: 999px;
  color: #667386;
  font-size: .65rem;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.it4r-demo-card__package {
  display: inline-flex;
  margin: 0 0 20px !important;
  padding: 8px 12px;
  gap: 8px;
  align-items: center;
  border: 1px solid var(--demo-line);
  border: 1px solid color-mix(in srgb, var(--card-accent) 28%, #fff);
  border-radius: 9px;
  color: var(--card-accent) !important;
  background: #f7f9fa;
  background: color-mix(in srgb, var(--card-accent) 7%, #fff);
  font-size: .78rem;
  font-weight: 850;
  line-height: 1.35;
}

.it4r-demo-card__package span {
  padding-right: 8px;
  border-right: 1px solid color-mix(in srgb, var(--card-accent) 24%, #fff);
  color: #738092;
  font-size: .62rem;
  letter-spacing: .075em;
  text-transform: uppercase;
  white-space: nowrap;
}

.it4r-demo-card__package-note {
  max-width: 560px;
  margin: -8px 0 22px !important;
  color: #6a7788 !important;
  font-size: .78rem;
  line-height: 1.55;
}

.it4r-demo-card h3 {
  margin: 0 0 9px;
  color: var(--demo-copy);
  font-size: clamp(1.65rem, 3vw, 2.35rem);
  line-height: 1.08;
  letter-spacing: -.04em;
}

.it4r-demo-card h3::after {
  display: none;
}

.it4r-demo-card__subtitle {
  margin-bottom: 18px !important;
  color: var(--card-accent) !important;
  font-size: .9rem;
  font-weight: 800;
}

.it4r-demo-card__body > p:not(.it4r-demo-card__subtitle) {
  min-height: 84px;
  color: var(--demo-muted);
}

.it4r-demo-card__features {
  display: grid;
  margin: 26px 0 30px;
  padding: 22px 0;
  gap: 9px;
  border-top: 1px solid var(--demo-line);
  border-bottom: 1px solid var(--demo-line);
  list-style: none;
}

.it4r-demo-card__features li {
  position: relative;
  padding-left: 22px;
  color: #35465a;
  font-size: .87rem;
  font-weight: 650;
}

.it4r-demo-card__features li::before {
  position: absolute;
  top: .62em;
  left: 1px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  content: "";
  background: var(--card-accent);
}

.it4r-demo-card__link {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: var(--demo-copy);
  font-weight: 850;
  text-decoration: none;
}

.it4r-demo-card__link:hover,
.it4r-demo-card__link:focus {
  color: var(--card-accent);
}

.it4r-demo-card__link--disabled {
  color: #8994a1;
}

.it4r-demo-hub__guide {
  padding: clamp(84px, 10vw, 140px) 0;
}

.it4r-demo-hub__guide-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--demo-line);
  border-bottom: 1px solid var(--demo-line);
}

.it4r-demo-hub__guide-grid article {
  min-height: 310px;
  padding: 35px 28px 35px 0;
}

.it4r-demo-hub__guide-grid article + article {
  padding-left: 28px;
  border-left: 1px solid var(--demo-line);
}

.it4r-demo-hub__guide-grid span {
  display: block;
  margin-bottom: 55px;
  color: var(--demo-accent);
  font-size: .75rem;
  font-weight: 900;
  letter-spacing: .12em;
}

.it4r-demo-hub__guide-grid h3 {
  margin-bottom: 15px;
  color: var(--demo-copy);
  font-size: 1.3rem;
  line-height: 1.18;
}

.it4r-demo-hub__guide-grid h3::after {
  display: none;
}

.it4r-demo-hub__guide-grid p {
  margin: 0;
  color: var(--demo-muted);
  font-size: .9rem;
}

.it4r-demo-hub__notice {
  background: #e8edef;
}

.it4r-demo-hub__notice .it4r-page-inner {
  display: grid;
  padding-top: 27px;
  padding-bottom: 27px;
  grid-template-columns: 220px 1fr;
  gap: 30px;
  align-items: center;
}

.it4r-demo-hub__notice strong {
  color: var(--demo-copy);
  font-size: .8rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.it4r-demo-hub__notice p {
  margin: 0;
  color: #5c6978;
  font-size: .82rem;
}

.it4r-demo-hub__cta {
  padding: clamp(80px, 10vw, 132px) 0;
  color: #fff;
  background:
    radial-gradient(circle at 82% 30%, rgba(255,127,80,.18), transparent 34%),
    var(--demo-ink);
}

.it4r-demo-hub__cta-grid {
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  gap: clamp(50px, 9vw, 140px);
  align-items: end;
}

.it4r-demo-hub__cta .it4r-page-kicker {
  color: var(--demo-accent);
}

.it4r-demo-hub__cta h2 {
  margin-bottom: 22px;
  color: #fff;
}

.it4r-demo-hub__cta p:not(.it4r-page-kicker) {
  max-width: 760px;
  margin-bottom: 0;
  color: #aebac6;
}

.it4r-demo-hub__cta-actions {
  display: grid;
  gap: 20px;
  justify-items: start;
}

@media (max-width: 1020px) {
  .it4r-demo-hub__hero-grid {
    grid-template-columns: 1fr;
    gap: 55px;
  }

  .it4r-demo-hub__metrics {
    max-width: 650px;
  }

  .it4r-demo-hub__guide-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .it4r-demo-hub__guide-grid article:nth-child(3) {
    padding-left: 0;
    border-top: 1px solid var(--demo-line);
    border-left: 0;
  }

  .it4r-demo-hub__guide-grid article:nth-child(4) {
    border-top: 1px solid var(--demo-line);
  }
}

@media (max-width: 780px) {
  .it4r-demo-hub__hero {
    min-height: auto;
  }

  .it4r-demo-hub__hero::before {
    background: rgba(11,22,34,.32);
  }

  .it4r-demo-hub__hero h1 {
    font-size: clamp(2.8rem, 13vw, 4.8rem);
    line-height: 1;
    letter-spacing: -.055em;
  }

  .it4r-demo-hub__intro h2,
  .it4r-demo-hub__section-head h2,
  .it4r-demo-hub__cta h2 {
    font-size: clamp(2.1rem, 10vw, 3.2rem);
    line-height: 1.06;
  }

  .it4r-demo-hub__intro-grid,
  .it4r-demo-hub__section-head,
  .it4r-demo-hub__cta-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .it4r-demo-hub__grid {
    grid-template-columns: 1fr;
  }

  .it4r-demo-card__body > p:not(.it4r-demo-card__subtitle) {
    min-height: 0;
  }

  .it4r-demo-hub__notice .it4r-page-inner {
    grid-template-columns: 1fr;
    gap: 7px;
  }
}

@media (max-width: 540px) {
  .it4r-demo-hub__hero-grid {
    padding-top: 76px;
    padding-bottom: 76px;
  }

  .it4r-demo-hub__hero-actions,
  .it4r-demo-hub__hero-actions .it4r-home-button {
    width: 100%;
  }

  .it4r-demo-hub__metrics div {
    min-height: 125px;
    padding: 22px;
  }

  .it4r-demo-hub__filters {
    flex-wrap: nowrap;
    margin-right: -20px;
    padding-right: 20px;
    overflow-x: auto;
    scrollbar-width: thin;
  }

  .it4r-demo-hub__filters button {
    flex: 0 0 auto;
  }

  .it4r-demo-card {
    border-radius: 20px;
  }

  .it4r-demo-card__body {
    padding: 24px;
  }

  .it4r-demo-card__visual {
    aspect-ratio: 4 / 3;
  }

  .it4r-demo-card__meta {
    display: grid;
  }

  .it4r-demo-card__meta ul {
    justify-content: flex-start;
  }

  .it4r-demo-hub__guide-grid {
    grid-template-columns: 1fr;
  }

  .it4r-demo-hub__guide-grid article,
  .it4r-demo-hub__guide-grid article + article,
  .it4r-demo-hub__guide-grid article:nth-child(3) {
    min-height: 0;
    padding: 28px 0;
    border-top: 1px solid var(--demo-line);
    border-left: 0;
  }

  .it4r-demo-hub__guide-grid article:first-child {
    border-top: 0;
  }

  .it4r-demo-hub__guide-grid span {
    margin-bottom: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .it4r-demo-card,
  .it4r-demo-card__visual img,
  .it4r-demo-hub__filters button {
    transition: none;
  }
}