/* ============================================================
   tbai Mehrwert-Hub --- ergaenzt /css/styles.css
   Erbt alle Brand-Tokens, Fonts, Navbar, Footer.
   Definiert Hub-Hero, Filter, Card-Grid, Detail-LP, Thank-You.
   ============================================================ */

/* ---------- Body-Setup fuer Hub-Subseiten ---------- */
.hub-body {
  padding-top: var(--nav-height);
  background:
    radial-gradient(circle at 20% 0%, rgba(0, 201, 200, 0.08), transparent 50%),
    radial-gradient(circle at 80% 100%, rgba(0, 201, 177, 0.06), transparent 50%),
    var(--bg-primary);
  min-height: 100vh;
}

/* Navbar im Hub: immer leicht abgesetzt, statt komplett transparent */
.navbar--hub {
  background: rgba(13, 27, 42, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
}
.navbar__active {
  color: var(--accent-teal) !important;
}

/* ============================================================
   1. HUB-HERO
   ============================================================ */
.hub-hero {
  position: relative;
  padding: 80px 0 56px;
  overflow: hidden;
}
.hub-hero__pattern {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(0, 201, 200, 0.12), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(0, 201, 177, 0.08), transparent 40%);
  pointer-events: none;
}
.hub-hero__content {
  position: relative;
  text-align: left;
  max-width: 880px;
}
.hub-hero__eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-teal);
  padding: 6px 14px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  margin-bottom: 24px;
}
.hub-hero__headline {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.25rem, 5.5vw, 3.75rem);
  line-height: 1.05;
  margin-bottom: 20px;
}
.hub-hero__subline {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 640px;
}
.hub-hero__meta {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 20px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
}
.hub-hero__count {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.75rem;
  color: var(--accent-teal);
}
.hub-hero__count-label {
  color: var(--text-secondary);
  font-weight: 500;
}

/* ============================================================
   2. FILTER-BAR
   ============================================================ */
.hub-filter {
  position: sticky;
  top: var(--nav-height);
  z-index: 50;
  padding: 20px 0;
  background: rgba(13, 27, 42, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
}
.hub-filter__row {
  display: grid;
  grid-template-columns: repeat(4, 1fr) auto;
  gap: 16px;
  align-items: end;
}
.hub-filter__group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.hub-filter__label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
}
.hub-filter__select {
  appearance: none;
  -webkit-appearance: none;
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 10px 36px 10px 14px;
  font: inherit;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2300C9C8' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  cursor: pointer;
  transition: border-color var(--transition);
}
.hub-filter__select:focus {
  outline: none;
  border-color: var(--accent-teal);
  box-shadow: 0 0 0 3px rgba(0, 201, 200, 0.2);
}
.hub-filter__reset {
  padding: 10px 18px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  background: transparent;
  font-weight: 500;
  transition: all var(--transition);
  align-self: end;
  height: 42px;
}
.hub-filter__reset:hover {
  color: var(--accent-teal);
  border-color: var(--accent-teal);
}
.hub-filter__result {
  margin-top: 12px;
  font-size: 0.875rem;
  color: var(--text-muted);
}
.hub-filter__result span {
  color: var(--accent-teal);
  font-weight: 600;
}

/* ============================================================
   3. CARD-GRID
   ============================================================ */
.hub-grid-section {
  padding: 48px 0 96px;
}
.hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}
.hub-grid__empty {
  text-align: center;
  padding: 80px 0;
  color: var(--text-secondary);
}
.hub-grid__empty-reset {
  color: var(--accent-teal);
  text-decoration: underline;
  background: none;
  border: none;
  font: inherit;
  cursor: pointer;
}

.freebie-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.freebie-card[hidden] { display: none; }
.freebie-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-teal);
  box-shadow: var(--glow-teal);
}
.freebie-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
}
.freebie-card__cover {
  position: relative;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
  overflow: hidden;
}
.freebie-card__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.freebie-card:hover .freebie-card__cover img {
  transform: scale(1.04);
}
.freebie-card__cover--fallback::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 40%, rgba(0, 201, 200, 0.25), transparent 60%),
    radial-gradient(circle at 70% 70%, rgba(255, 107, 53, 0.15), transparent 60%);
}
.freebie-card__type-badge,
.freebie-card__gate-badge {
  position: absolute;
  top: 12px;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 4px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.freebie-card__type-badge {
  left: 12px;
  background: rgba(0, 201, 200, 0.92);
  color: var(--bg-primary);
}
.freebie-card__gate-badge {
  right: 12px;
  background: rgba(13, 27, 42, 0.85);
  color: var(--accent-teal);
  border: 1px solid var(--accent-teal);
}
.freebie-card__body {
  padding: 22px 22px 26px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.freebie-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  line-height: 1.25;
  color: var(--text-primary);
}
.freebie-card__tagline {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
  flex: 1;
}
.freebie-card__meta {
  display: flex;
  gap: 12px;
  margin-top: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.freebie-card__level::before { content: '\25CF '; color: var(--accent-teal); margin-right: 4px; }

/* ============================================================
   4. DETAIL-LP
   ============================================================ */
.detail-hero {
  position: relative;
  padding: 56px 0 64px;
  border-bottom: 1px solid var(--glass-border);
  overflow: hidden;
}
.detail-hero__pattern {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(0, 201, 200, 0.1), transparent 40%);
  pointer-events: none;
}
.detail-hero__inner { position: relative; }
.detail-hero__back {
  display: inline-block;
  margin-bottom: 28px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition);
}
.detail-hero__back:hover { color: var(--accent-teal); }

.detail-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 360px) 1fr;
  gap: 48px;
  align-items: center;
}
.detail-hero__cover {
  position: relative;
  aspect-ratio: 3 / 4;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--glow-teal);
}
.detail-hero__cover img { width: 100%; height: 100%; object-fit: cover; }
.detail-hero__cover--fallback::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 30%, rgba(0, 201, 200, 0.4), transparent 60%),
    radial-gradient(circle at 70% 70%, rgba(255, 107, 53, 0.25), transparent 60%);
}

.detail-hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}
.badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 11px;
  border-radius: 4px;
}
.badge--type { background: var(--accent-teal); color: var(--bg-primary); }
.badge--level { background: transparent; color: var(--text-secondary); border: 1px solid var(--glass-border); }
.badge--gated { background: rgba(255, 107, 53, 0.15); color: var(--accent-orange); border: 1px solid rgba(255, 107, 53, 0.4); }
.badge--free { background: rgba(0, 201, 177, 0.15); color: var(--accent-teal-green); border: 1px solid rgba(0, 201, 177, 0.4); }

.detail-hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.875rem, 4vw, 2.75rem);
  line-height: 1.12;
  margin-bottom: 14px;
}
.detail-hero__tagline {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.detail-hero__time {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.detail-hero__cta { display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }
.detail-hero__cta-btn { padding: 14px 28px; font-size: 1rem; }
.detail-hero__cta-note { font-size: 0.85rem; color: var(--text-muted); }

/* Detail-Sections gemeinsam */
.detail-section { padding: 56px 0; border-bottom: 1px solid var(--glass-border); }
.detail-section:last-of-type { border-bottom: none; }
.detail-section__inner { max-width: 880px; margin: 0 auto; }
.detail-section__inner--center { text-align: center; }
.detail-section__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 24px;
}

/* Was ist drin */
.detail-contents-list { list-style: none; padding: 0; }
.detail-contents-list__item {
  padding: 14px 0 14px 32px;
  position: relative;
  border-bottom: 1px solid rgba(160, 174, 192, 0.1);
  color: var(--text-primary);
}
.detail-contents-list__item:last-child { border-bottom: none; }
.detail-contents-list__item::before {
  content: '\2713';
  position: absolute;
  left: 0;
  top: 14px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(0, 201, 200, 0.12);
  color: var(--accent-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
}

/* Tags fuer Audience/Use-Case */
.detail-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.detail-tag {
  padding: 7px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  border: 1px solid var(--glass-border);
}
.detail-tag--audience { background: rgba(0, 201, 200, 0.08); color: var(--accent-teal); border-color: rgba(0, 201, 200, 0.3); }
.detail-tag--usecase { color: var(--text-secondary); }

/* Beschreibung (Markdown-HTML) */
.detail-prose { color: var(--text-primary); line-height: 1.7; }
.detail-prose p { margin-bottom: 1em; color: var(--text-secondary); }
.detail-prose h3 { font-family: var(--font-display); font-weight: 700; margin: 1.5em 0 0.6em; }
.detail-prose ul, .detail-prose ol { padding-left: 1.4em; margin-bottom: 1em; color: var(--text-secondary); }
.detail-prose strong { color: var(--text-primary); }
.detail-prose a { color: var(--accent-teal); text-decoration: underline; }

/* CTA-Sektion (Email-Gate oder Direct-Link) */
.detail-section--cta { background: rgba(0, 201, 200, 0.04); }
.detail-gate__intro { color: var(--text-secondary); margin-bottom: 24px; max-width: 600px; }
.detail-gate__form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 520px;
}
.detail-gate__input {
  padding: 14px 18px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  background: var(--bg-card);
  color: var(--text-primary);
  font: inherit;
  transition: border-color var(--transition);
}
.detail-gate__input:focus { outline: none; border-color: var(--accent-teal); box-shadow: 0 0 0 3px rgba(0, 201, 200, 0.2); }
.detail-gate__consent {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  cursor: pointer;
}
.detail-gate__consent input {
  margin-top: 3px;
  accent-color: var(--accent-teal);
}
.detail-gate__consent a { color: var(--accent-teal); text-decoration: underline; }
.detail-gate__btn { align-self: flex-start; padding: 14px 28px; }
.detail-gate__feedback { font-size: 0.9rem; min-height: 1.4em; }
.detail-gate__feedback.is-error { color: #ff8a65; }
.detail-gate__feedback.is-success { color: var(--accent-teal); }
.detail-direct__btn { padding: 14px 28px; }

/* Verwandte */
.related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.related-card {
  display: block;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  transition: all var(--transition);
  position: relative;
}
.related-card:hover { border-color: var(--accent-teal); transform: translateY(-2px); }
.related-card__type {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-teal);
  margin-bottom: 8px;
}
.related-card__title { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; margin-bottom: 6px; }
.related-card__tagline { font-size: 0.88rem; color: var(--text-secondary); }
.related-card__arrow { position: absolute; right: 16px; bottom: 16px; color: var(--accent-teal); }

/* ============================================================
   5. THANK-YOU
   ============================================================ */
.thanks {
  position: relative;
  padding: 80px 0 120px;
  text-align: center;
  overflow: hidden;
}
.thanks__pattern {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(0, 201, 200, 0.18), transparent 60%);
  pointer-events: none;
}
.thanks__inner { position: relative; max-width: 720px; margin: 0 auto; }
.thanks__icon {
  width: 88px;
  height: 88px;
  margin: 0 auto 28px;
  border-radius: 50%;
  background: rgba(0, 201, 200, 0.18);
  color: var(--accent-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  box-shadow: var(--glow-teal-strong);
}
.thanks__title { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.875rem, 4vw, 2.75rem); margin-bottom: 14px; }
.thanks__subline { font-size: 1.15rem; color: var(--text-secondary); margin-bottom: 36px; }
.thanks__cta { margin-bottom: 56px; }
.thanks__cta-btn { padding: 16px 36px; font-size: 1.05rem; }
.thanks__hint {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 28px 32px;
  text-align: left;
  margin-bottom: 36px;
}
.thanks__hint-title { font-family: var(--font-display); font-weight: 600; font-size: 1.1rem; margin-bottom: 10px; color: var(--text-primary); }
.thanks__hint p { color: var(--text-secondary); }
.thanks__related { margin-top: 24px; }

/* ============================================================
   6. RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .hub-filter__row { grid-template-columns: 1fr 1fr; }
  .hub-filter__reset { grid-column: span 2; }
  .detail-hero__grid { grid-template-columns: 1fr; gap: 32px; }
  .detail-hero__cover { max-width: 320px; margin: 0 auto; }
}
@media (max-width: 600px) {
  .hub-hero { padding: 56px 0 40px; }
  .hub-filter { padding: 16px 0; }
  .hub-filter__row { grid-template-columns: 1fr; }
  .hub-filter__reset { grid-column: auto; }
  .hub-grid { grid-template-columns: 1fr; }
  .detail-section { padding: 40px 0; }
}

/* prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  .freebie-card, .freebie-card__cover img, .related-card { transition: none; }
  .freebie-card:hover, .related-card:hover { transform: none; }
}