.catalog-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(250px, .8fr);
  align-items: center;
  gap: clamp(28px, 6vw, 76px);
  min-height: 350px;
  margin-top: 34px;
  padding: clamp(30px, 5vw, 58px);
  overflow: hidden;
  position: relative;
  isolation: isolate;
  border: 1px solid color-mix(in oklab, var(--brand) 27%, transparent);
  border-radius: 30px;
  background:
    radial-gradient(ellipse at 84% 50%, color-mix(in oklab, var(--brand) 25%, transparent), transparent 52%),
    linear-gradient(125deg, color-mix(in oklab, var(--surface) 94%, var(--brand)), var(--surface));
  box-shadow: var(--shadow);
}
.catalog-hero-copy { position: relative; z-index: 1; max-width: 660px; }
.catalog-kicker {
  margin: 0 0 15px;
  color: var(--brand-2);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.catalog-hero h1 {
  margin: 0 0 14px;
  font-size: clamp(36px, 5.4vw, 62px);
  letter-spacing: -.045em;
  line-height: 1.04;
}
.catalog-lead {
  max-width: 620px;
  margin: 0;
  color: var(--text-dim);
  font-size: clamp(17px, 2.1vw, 21px);
  line-height: 1.65;
}
.catalog-filters {
  display: inline-flex;
  gap: 5px;
  flex-wrap: wrap;
  margin: 27px 0 0;
  padding: 5px;
  border: 1px solid color-mix(in oklab, var(--text) 13%, transparent);
  border-radius: 999px;
  background: color-mix(in oklab, var(--bg) 56%, transparent);
}
.catalog-filters .filter-btn {
  min-height: 43px;
  justify-content: center;
  padding: 9px 16px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  box-shadow: none;
  transition: background .18s ease, transform .18s ease, color .18s ease;
}
.catalog-filters .filter-btn:hover { transform: translateY(-1px); background: color-mix(in oklab, var(--brand) 12%, transparent); }
.catalog-filters .filter-btn.primary {
  color: #031028;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 6px 18px color-mix(in oklab, var(--brand) 24%, transparent);
}
.catalog-filters .filter-btn:focus-visible { outline: 3px solid var(--brand-2); outline-offset: 3px; }
.catalog-hero .catalog-filters { justify-content: flex-start; gap: 5px; margin: 27px 0 0; }
.catalog-hero-art { position: relative; justify-self: stretch; min-height: 260px; }
.catalog-orbit {
  position: absolute;
  top: 50%; left: 50%;
  border: 1px solid color-mix(in oklab, var(--brand-2) 33%, transparent);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}
.catalog-orbit-one { width: 250px; height: 250px; }
.catalog-orbit-two { width: 185px; height: 185px; border-style: dashed; opacity: .72; }
.catalog-hero-glow {
  position: absolute;
  top: 50%; left: 50%;
  width: 160px; height: 160px;
  border-radius: 50%;
  background: color-mix(in oklab, var(--brand) 38%, transparent);
  filter: blur(42px);
  transform: translate(-50%, -50%);
  z-index: -1;
}
.catalog-hero-icon {
  position: absolute;
  display: grid;
  place-items: center;
  width: 90px; height: 90px;
  border: 1px solid color-mix(in oklab, var(--text) 20%, transparent);
  border-radius: 24px;
  background: color-mix(in oklab, var(--surface) 82%, transparent);
  box-shadow: 0 18px 42px rgba(0,0,0,.28);
  backdrop-filter: blur(12px);
}
.catalog-hero-icon img { display: block; width: 72%; height: 72%; object-fit: contain; border-radius: 17px; }
.icon-teacher { top: 22%; left: 12%; transform: rotate(-9deg); }
.icon-calendar { top: 13%; right: 12%; width: 100px; height: 100px; transform: rotate(8deg); }
.icon-places { bottom: 11%; left: 23%; transform: rotate(7deg); }
.icon-pdf { right: 13%; bottom: 14%; width: 82px; height: 82px; transform: rotate(-8deg); }

.catalog-content { padding-bottom: 68px; }
.catalog-section { margin-top: 55px; }
.catalog-section[hidden] { display: none !important; }
.catalog-section-heading {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid color-mix(in oklab, var(--text) 12%, transparent);
}
.catalog-section-heading h2 { margin: 0; font-size: clamp(24px, 3vw, 32px); letter-spacing: -.025em; }
.catalog-section-mark {
  display: grid;
  place-items: center;
  width: 36px; height: 36px;
  border-radius: 12px;
  color: var(--brand-2);
  background: color-mix(in oklab, var(--brand) 14%, var(--surface));
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .04em;
}
.catalog-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.app-card.catalog-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(140px, .72fr);
  align-items: stretch;
  gap: 18px;
  min-height: 350px;
  padding: clamp(18px, 2.1vw, 26px);
  overflow: hidden;
  position: relative;
  border-radius: 22px;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.app-card.catalog-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in oklab, var(--brand) 45%, transparent);
  box-shadow: 0 18px 45px rgba(0,0,0,.28);
}
.catalog-card-copy { display: flex; flex-direction: column; align-items: flex-start; min-width: 0; position: relative; z-index: 1; }
.catalog-card-head { display: flex; align-items: center; gap: 14px; width: 100%; }
.catalog-card-icon { flex: 0 0 60px; width: 60px; height: 60px; border: 1px solid color-mix(in oklab, var(--text) 12%, transparent); border-radius: 17px; object-fit: cover; box-shadow: 0 8px 22px rgba(0,0,0,.2); }
.catalog-card-head > div { min-width: 0; }
.catalog-tag {
  display: block;
  margin-bottom: 5px;
  color: var(--brand-2);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .09em;
  text-transform: uppercase;
}
.app-card.catalog-card h3 { margin: 0; font-size: clamp(18px, 1.8vw, 22px); line-height: 1.22; }
.catalog-card h3 a:hover { color: var(--brand-2); }
.app-card.catalog-card .catalog-card-description, .app-card.catalog-card .catalog-card-subtitle {
  color: var(--text-dim);
  line-height: 1.62;
}
.app-card.catalog-card .catalog-card-description { margin: 20px 0 22px; }
.app-card.catalog-card .catalog-card-subtitle { margin: 17px 0 -11px; font-size: 14px; font-weight: 700; }
.catalog-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; padding-top: 4px; }
.catalog-actions .btn { min-height: 42px; padding: 10px 13px; font-size: 13px; box-shadow: none; }
.catalog-secondary { color: var(--text); background: color-mix(in oklab, var(--text) 5%, var(--surface)); }
.catalog-secondary span { color: var(--brand-2); font-size: 17px; line-height: 1; }
.catalog-store-secondary { color: var(--text-dim); background: transparent; }
.catalog-availability { display: flex; align-items: center; padding: 8px 0; color: var(--brand-2); font-size: 13px; font-weight: 700; line-height: 1.4; }
.app-card.catalog-card .catalog-device-note { color: var(--brand-2); font-size: 12px; font-weight: 700; margin: -10px 0 18px; }
.catalog-card[data-product="lehrerzeit-tools"] .catalog-card-visual { background: radial-gradient(ellipse at 50% 25%, rgba(41,185,148,.2), transparent 68%), var(--surface); }
.catalog-card-visual {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  align-self: stretch;
  min-width: 0;
  min-height: 290px;
  margin: -5px -5px -5px 0;
  padding: 12px 8px 0;
  overflow: hidden;
  border: 1px solid color-mix(in oklab, var(--text) 10%, transparent);
  border-radius: 17px;
  background:
    radial-gradient(ellipse at 50% 25%, color-mix(in oklab, var(--brand) 21%, transparent), transparent 68%),
    color-mix(in oklab, var(--bg) 40%, var(--surface));
}
.catalog-card-visual img {
  display: block;
  width: min(100%, 190px);
  max-height: 325px;
  height: auto;
  object-fit: contain;
  object-position: center bottom;
  border-radius: 14px 14px 0 0;
  box-shadow: 0 12px 32px rgba(0,0,0,.32);
  transition: transform .25s ease;
}
.catalog-card-visual:hover img { transform: translateY(-5px); }
.catalog-game-card[data-product="jewelume"] .catalog-card-visual {
  background: radial-gradient(ellipse at 50% 20%, rgba(245,115,190,.3), transparent 66%), linear-gradient(155deg, #352342, #181326);
}
.catalog-game-card[data-product="sortello"] .catalog-card-visual {
  background: radial-gradient(ellipse at 50% 20%, rgba(73,222,198,.28), transparent 66%), linear-gradient(155deg, #17363c, #101a2c);
}
.app-card.catalog-game-card .catalog-card-description { margin-top: 13px; }

@media (prefers-color-scheme: light) {
  .catalog-hero { background: radial-gradient(ellipse at 84% 50%, rgba(34,92,255,.13), transparent 52%), linear-gradient(125deg, #fff, #eef5ff); }
  .catalog-hero-icon { box-shadow: 0 18px 42px rgba(28,61,110,.16); }
  .catalog-card-visual { background: radial-gradient(ellipse at 50% 25%, rgba(34,92,255,.1), transparent 68%), #f1f5fb; }
}
@media (max-width: 900px) {
  .catalog-hero { grid-template-columns: minmax(0, 1fr) minmax(210px, .65fr); gap: 20px; padding: 36px; }
  .catalog-hero-art { transform: scale(.88); transform-origin: center right; }
  .catalog-grid { grid-template-columns: 1fr; }
  .app-card.catalog-card { grid-template-columns: minmax(0, 1fr) minmax(180px, .55fr); min-height: 330px; }
}
@media (max-width: 620px) {
  .catalog-hero { grid-template-columns: 1fr; min-height: 0; margin-top: 18px; padding: 30px 24px 20px; border-radius: 24px; }
  .catalog-hero-art { min-height: 185px; width: 100%; max-width: 340px; justify-self: center; transform: scale(.72); transform-origin: center; margin: -4px 0 -22px; }
  .catalog-orbit-one { width: 220px; height: 220px; }
  .catalog-orbit-two { width: 165px; height: 165px; }
  .icon-teacher { left: 13%; }
  .icon-calendar { right: 13%; }
  .icon-places { left: 24%; }
  .icon-pdf { right: 14%; }
  .catalog-hero .catalog-filters {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
    max-width: 100%;
    gap: 4px;
    padding: 5px;
    border-radius: 20px;
  }
  .catalog-hero .catalog-filters .filter-btn {
    width: 100%;
    min-height: 42px;
    justify-content: flex-start;
    padding: 9px 16px;
    border-radius: 14px;
    font-size: 14px;
    text-align: left;
  }
  .catalog-content { padding-bottom: 48px; }
  .catalog-section { margin-top: 42px; }
  .catalog-grid { gap: 14px; }
  .app-card.catalog-card { grid-template-columns: minmax(0, 1fr) minmax(118px, .55fr); gap: 12px; min-height: 315px; padding: 17px; border-radius: 19px; }
  .catalog-card-head { gap: 10px; align-items: flex-start; }
  .catalog-card-icon { flex-basis: 50px; width: 50px; height: 50px; border-radius: 14px; }
  .app-card.catalog-card h3 { font-size: 18px; }
  .catalog-tag { font-size: 9px; }
  .app-card.catalog-card .catalog-card-description { margin: 15px 0 17px; font-size: 14px; }
  .catalog-card-visual { min-height: 270px; margin: -3px -3px -3px 0; padding: 8px 5px 0; }
  .catalog-actions { gap: 6px; }
  .catalog-actions .btn { min-height: 40px; padding: 9px 10px; font-size: 12px; }
}
@media (max-width: 430px) {
  .catalog-hero { padding-inline: 20px; }
  .app-card.catalog-card { grid-template-columns: 1fr; }
  .catalog-card-copy { min-height: 220px; }
  .catalog-card-visual { min-height: 240px; max-height: 300px; margin: 0; }
  .catalog-card-visual img { max-height: 280px; }
  .catalog-actions .btn { flex: 1 1 auto; justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
  .app-card.catalog-card, .catalog-card-visual img, .catalog-filters .filter-btn { transition: none; }
}