:root {
  --ink: #253b45;
  --blue: #1c6785;
  --deep-blue: #174f69;
  --paper: #fffdf8;
  --shadow: 0 18px 42px rgba(44, 51, 58, .16);
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body { font-family: Andika, "Trebuchet MS", Arial, sans-serif; color: var(--ink); }
button, input { font: inherit; }
button { cursor: pointer; }
.koffer-body {
  background: #eef6f8;
  padding: clamp(12px, 2vw, 28px);
}
.koffer-app { max-width: 1280px; margin: 0 auto; }
.scene { animation: fadeIn .35s ease both; }
.hero-image-wrap { position: relative; overflow: hidden; border-radius: 24px; box-shadow: var(--shadow); background: #fff; }
.hero-image { display: block; width: 100%; height: auto; }
.unlock-card {
  position: absolute;
  top: 5.5%;
  right: 4.5%;
  width: min(52%, 650px);
  padding: 16px 20px 18px;
  border-radius: 18px;
  background: rgba(255, 253, 248, .95);
  box-shadow: 0 10px 26px rgba(45, 48, 52, .16);
  backdrop-filter: blur(3px);
}
.unlock-card h1 {
  margin-bottom: .25rem;
  font-size: clamp(1.35rem, 2vw, 1.85rem);
}
.unlock-card > p:not(.eyebrow) {
  margin: .2rem 0 .65rem;
}
.eyebrow { margin: 0 0 .45rem; color: var(--blue); font-weight: 700; letter-spacing: .04em; }
h1 { margin: 0 0 .75rem; line-height: 1.15; color: var(--deep-blue); }
p { line-height: 1.55; }
.unlock-form {
  display: grid;
  grid-template-columns: auto minmax(160px, 1fr);
  align-items: end;
  gap: 6px 14px;
}
.unlock-form label { display: block; margin: 0; font-weight: 700; }
.unlock-row { display: flex; gap: .6rem; }
.unlock-form small,
.form-message { grid-column: 1 / -1; }
.unlock-row input { min-width: 0; flex: 1; padding: .78rem .9rem; border: 2px solid #9fc1ce; border-radius: 12px; text-transform: uppercase; }
.unlock-row button, .primary-action {
  border: 0; border-radius: 12px; padding: .8rem 1.05rem;
  color: white; background: var(--blue); font-weight: 700;
  box-shadow: 0 5px 0 #12475e;
}
.unlock-row button:active, .primary-action:active { transform: translateY(2px); box-shadow: 0 3px 0 #12475e; }
.unlock-form small { display: block; margin-top: .2rem; color: #60737c; }
.form-message { min-height: 1.2em; margin: 0; font-weight: 700; color: #a13e3e; }
.welcome-panel {
  width: min(900px, calc(100% - 28px)); margin: -34px auto 0; position: relative;
  padding: clamp(22px, 3vw, 38px); border-radius: 22px;
  background: url('assets/papier.png') center/cover, var(--paper); box-shadow: var(--shadow);
  text-align: center;
}
.primary-action { display: inline-block; margin-top: .4rem; font-size: 1.05rem; }

 .memories-body {
  min-height: 100vh;
  background:
    linear-gradient(rgba(255,255,255,.06), rgba(255,255,255,.18)),
    url('assets/strand-aquarell.png') center 18% / cover fixed no-repeat,
    #eaf5fa;
  padding: clamp(14px, 1.6vw, 28px);
}
.memories-page {
  width: min(1760px, 100%);
  margin: 0 auto;
}
.memories-header {
  width: min(980px, 90%);
  margin: 0 auto clamp(14px, 1.5vw, 22px);
  padding: clamp(14px, 1.6vw, 22px) clamp(22px, 2.4vw, 38px);
  border-radius: 20px;
  background: rgba(255,255,255,.86);
  box-shadow: 0 10px 28px rgba(42,55,63,.12);
  backdrop-filter: blur(2px);
  text-align: center;
}
.memories-header .eyebrow { margin-bottom: .15rem; }
.memories-header h1 {
  font-size: clamp(2rem, 3vw, 3.05rem);
  margin-bottom: .35rem;
}
.memories-header > p:last-child {
  font-size: clamp(1.14rem, 1.55vw, 1.38rem);
  line-height: 1.48;
  margin: 0;
}
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(220px, 1fr));
  gap: clamp(12px, 1.25vw, 20px);
  align-items: stretch;
}
.category-card {
  position: relative;
  min-height: clamp(245px, 30vh, 330px);
  padding: 10px;
  border: 0;
  border-radius: 10px;
  overflow: hidden;
  text-align: left;
  background-image: var(--texture);
  background-size: cover;
  background-position: center;
  box-shadow: 0 10px 25px rgba(42,55,63,.18);
  transition: transform .18s ease, box-shadow .18s ease;
}
.category-card:hover, .category-card:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 15px 32px rgba(42,55,63,.23);
}
.category-strip { display: none; }
.category-content {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: clamp(17px, 1.4vw, 24px);
  border-radius: 5px;
  background: url('assets/papier.png') center / cover, rgba(255,255,255,.96);
  box-shadow: inset 0 0 0 1px rgba(70,78,82,.08);
}
.category-symbol {
  display: inline-grid;
  place-items: center;
  width: 50px;
  height: 50px;
  margin: 0 0 15px;
  border-radius: 50%;
  background: rgba(255,255,255,.94);
  box-shadow: 0 4px 12px rgba(0,0,0,.10);
  font-size: 1.72rem;
}
.category-content h2 {
  margin: 0 0 .65rem;
  color: var(--deep-blue);
  font-size: clamp(1.12rem, 1.35vw, 1.48rem);
  line-height: 1.2;
}
.category-content p {
  margin: 0;
  color: #415861;
  font-size: clamp(.98rem, 1.05vw, 1.1rem);
  line-height: 1.48;
}
.category-detail { animation: fadeIn .25s ease both; }
.text-button {
  border: 0;
  background: rgba(255,255,255,.88);
  color: var(--blue);
  font-weight: 700;
  padding: .65rem .9rem;
  margin-bottom: .8rem;
  border-radius: 10px;
  box-shadow: 0 6px 16px rgba(42,55,63,.10);
}
.detail-heading {
  padding: 10px;
  border-radius: 10px;
  background-image: var(--texture);
  background-size: cover;
  box-shadow: 0 10px 26px rgba(42,55,63,.14);
}
.detail-heading > * { margin-left: 0; }
.detail-heading h2, .detail-heading p {
  background: url('assets/papier.png') center/cover, rgba(255,255,255,.96);
  margin: 0;
  padding-left: clamp(20px, 2.4vw, 32px);
  padding-right: clamp(20px, 2.4vw, 32px);
}
.detail-heading h2 { padding-top: 20px; padding-bottom: .35rem; color: var(--deep-blue); }
.detail-heading p { padding-top: 0; padding-bottom: 20px; font-size: 1.12rem; }
.site-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 18px;
  margin-top: 18px;
}
.site-card {
  background: url('assets/papier.png') center/cover, rgba(255,255,255,.97);
  border: 8px solid rgba(255,255,255,.48);
  border-radius: 9px;
  padding: 24px;
  box-shadow: 0 9px 22px rgba(42,55,63,.14);
}
.site-card h3 { margin-top: 0; color: var(--deep-blue); }
.site-card p { font-size: 1.06rem; line-height: 1.52; }
.site-card a { display: inline-block; margin-top: .7rem; color: #fff; background: var(--blue); padding: .72rem 1rem; border-radius: 10px; text-decoration: none; font-weight: 700; }
.f11-gate { position: fixed; inset: 0; z-index: 20; display: grid; place-items: center; padding: 24px; background: rgba(22, 51, 65, .74); }
.f11-gate[hidden] { display: none; }
.f11-card { width: min(560px, 100%); border-radius: 24px; padding: clamp(28px, 5vw, 48px); background: url('assets/papier.png') center/cover, #fff; box-shadow: 0 20px 70px rgba(0,0,0,.28); text-align: center; }
.f11-card h1 { font-size: clamp(2.3rem, 7vw, 4rem); }
@keyframes fadeIn { from { opacity: 0; transform: translateY(7px); } to { opacity: 1; transform: none; } }
@media (max-width: 1450px) {
  .category-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .category-card { min-height: 230px; }
}
@media (max-width: 900px) {
  .unlock-card { position: static; width: auto; margin: 14px; }
  .unlock-form { grid-template-columns: 1fr; }
  .unlock-form small, .form-message { grid-column: 1; }
  .hero-image-wrap { overflow: visible; }
  .memories-header { width: 100%; }
  .category-grid, .site-list { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 620px) {
  .category-grid, .site-list { grid-template-columns: 1fr; }
  .unlock-row { flex-direction: column; }
  .welcome-panel { margin-top: 14px; }
  .memories-body { background-attachment: scroll; }
}

/* ============================================================
   INHALTSVERZEICHNIS – ERGÄNZUNGEN FÜR DIE KATEGORIESEITEN
   ------------------------------------------------------------
   1. Links und Zustände der Übersichtskarten
   2. Grundlayout einer Kategorieseite
   3. Einleitung einer Kategorie
   4. Empfehlungskarten
   5. Externer Hinweis
   6. Responsive Darstellung
============================================================ */

/* ============================================================
   1. LINKS UND ZUSTÄNDE DER ÜBERSICHTSKARTEN
============================================================ */
.category-grid a.category-card {
  color: inherit;
  text-decoration: none;
}

.category-card--inactive {
  cursor: default;
  opacity: .82;
}

.category-card--inactive:hover {
  transform: none;
  box-shadow: 0 10px 25px rgba(42,55,63,.18);
}

.category-link,
.category-status {
  display: inline-block;
  margin-top: auto;
  padding-top: 1rem;
  font-weight: 700;
}

.category-link {
  color: var(--blue);
}

.category-status {
  color: #718188;
  font-size: .92rem;
}

/* ============================================================
   2. GRUNDLAYOUT EINER KATEGORIESEITE
============================================================ */
.category-page {
  min-height: 100vh;
}

.category-page__inner {
  width: min(1240px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0 34px;
}

.category-navigation {
  margin-bottom: 12px;
}

.back-link {
  display: inline-block;
  padding: .65rem .95rem;
  border-radius: 12px;
  color: var(--deep-blue);
  background: rgba(255,255,255,.90);
  box-shadow: 0 6px 18px rgba(42,55,63,.12);
  font-weight: 700;
  text-decoration: none;
}

.back-link:hover,
.back-link:focus-visible {
  text-decoration: underline;
}

/* ============================================================
   3. EINLEITUNG EINER KATEGORIE
============================================================ */
.category-intro {
  padding: 10px;
  border-radius: 14px;
  background-image: var(--texture);
  background-position: center;
  background-size: cover;
  box-shadow: 0 12px 30px rgba(42,55,63,.16);
}

.category-intro__paper {
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 22px 28px;
  border-radius: 7px;
  background: url('assets/papier.png') center/cover, rgba(255,255,255,.96);
}

.category-intro__symbol {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: rgba(255,255,255,.92);
  box-shadow: 0 5px 15px rgba(0,0,0,.10);
  font-size: 2.5rem;
}

.category-intro h1 {
  margin: 0 0 .35rem;
  font-size: clamp(2rem, 4vw, 3.25rem);
}

.category-intro p {
  margin: 0;
  font-size: 1.1rem;
}

.category-intro .eyebrow {
  margin-bottom: .2rem;
  font-size: 1rem;
}

/* ============================================================
   4. EMPFEHLUNGSKARTEN
============================================================ */
.recommendation-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.recommendation-card {
  display: flex;
  flex-direction: column;
  min-height: 260px;
  padding: 26px;
  border: 9px solid rgba(255,255,255,.46);
  border-radius: 12px;
  background: url('assets/papier.png') center/cover, rgba(255,255,255,.97);
  box-shadow: 0 10px 26px rgba(42,55,63,.16);
}

.recommendation-card__heading {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: .7rem;
}

.recommendation-card__symbol {
  font-size: 2rem;
}

.recommendation-card h2 {
  margin: 0;
  color: var(--deep-blue);
  font-size: 1.5rem;
}

.recommendation-card p {
  margin: 0 0 1rem;
  font-size: 1.06rem;
  line-height: 1.58;
}

.external-link {
  display: inline-block;
  align-self: flex-start;
  margin-top: auto;
  padding: .7rem 1rem;
  border-radius: 10px;
  color: #fff;
  background: var(--blue);
  box-shadow: 0 4px 0 var(--deep-blue);
  font-weight: 700;
  text-decoration: none;
}

.external-link:hover,
.external-link:focus-visible {
  text-decoration: underline;
}

.external-link:active {
  transform: translateY(2px);
  box-shadow: 0 2px 0 var(--deep-blue);
}

/* ============================================================
   5. EXTERNER HINWEIS
============================================================ */
.external-note {
  margin-top: 18px;
  padding: 15px 20px;
  border-radius: 14px;
  background: rgba(255,255,255,.90);
  box-shadow: 0 7px 20px rgba(42,55,63,.12);
  line-height: 1.55;
}

/* ============================================================
   6. RESPONSIVE DARSTELLUNG
============================================================ */
@media (max-width: 760px) {
  .category-page__inner {
    width: min(100% - 20px, 1240px);
  }

  .category-intro__paper {
    align-items: flex-start;
    padding: 20px;
  }

  .category-intro__symbol {
    width: 60px;
    height: 60px;
    font-size: 2rem;
  }

  .recommendation-grid {
    grid-template-columns: 1fr;
  }
}