/* LONGREAD B2C SECTIONS */
.longread-section {
  padding: 120px 0;
  background: var(--bg-paper);
}
.longread-section:nth-child(even) {
  background: white;
}
.longread-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.longread-grid.reverse {
  grid-template-columns: 1.2fr 0.8fr;
}
.longread-grid.reverse .longread-text {
  order: 2;
}
.longread-grid.reverse .longread-image-container {
  order: 1;
}

.longread-tag {
  display: inline-block;
  background: var(--text-dark);
  color: white;
  padding: 6px 16px;
  border-radius: 100px;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 24px;
  transform: rotate(-2deg);
}
.longread-title {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  color: var(--text-dark);
  margin-bottom: 32px;
  line-height: var(--lh-heading);
  letter-spacing: -0.01em;
}
.longread-text p {
  font-size: 1.15rem;
  color: var(--text-gray);
  margin-bottom: 24px;
  line-height: var(--lh-body);
}

.longread-image-container {
  position: relative;
  border-radius: var(--radius-card);
}
.longread-image {
  width: 100%;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sticker);
  border: 12px solid white;
  transform: rotate(2deg);
  transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1), box-shadow 0.5s ease;
}
.longread-grid.reverse .longread-image {
  transform: rotate(-2deg);
}
.longread-image:hover {
  transform: rotate(0deg) scale(1.02);
  box-shadow: var(--shadow-hover);
}

.arch-nav-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: -60px;
  position: relative;
  z-index: 30;
  padding-bottom: 60px;
}
.arch-nav-grid--5 {
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.arch-nav-card {
  background: var(--zab-blue);
  color: white;
  padding: 40px 20px 30px;
  border-radius: var(--radius-arch);
  text-align: center;
  text-decoration: none;
  box-shadow: var(--shadow-sticker);
  transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1), box-shadow 0.4s ease;
}
.arch-nav-card:hover { 
  transform: translateY(-12px) scale(1.03); 
  box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}
.arch-nav-card.red { background: var(--zab-red); }
.arch-nav-card.gold { background: var(--zab-gold); color: var(--text-dark); }
.arch-nav-card.green { background: var(--chalk-green); }
.arch-nav-card.purple { background: #7C3AED; }
.arch-nav-icon { font-size: 3rem; margin-bottom: 10px; }
.arch-nav-title { font-size: 1.1rem; font-weight: 800; line-height: 1.2; }
.arch-nav-subtitle { 
  font-size: 0.75rem; 
  font-weight: 500; 
  opacity: 0.85; 
  margin-top: 8px; 
  line-height: 1.3; 
}

@media (max-width: 1024px) {
  .longread-grid, .longread-grid.reverse { grid-template-columns: 1fr; }
  .longread-grid.reverse .longread-text { order: 1; }
  .longread-grid.reverse .longread-image-container { order: 2; }
  .arch-nav-grid { grid-template-columns: repeat(2, 1fr); margin-top: 0; }
  .arch-nav-grid--5 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .longread-section {
    padding: 60px 0;
  }
  .longread-grid, .longread-grid.reverse {
    gap: 30px;
  }
  .longread-title {
    font-size: clamp(1.6rem, 6vw, 2.2rem);
    margin-bottom: 20px;
  }
  .longread-text p {
    font-size: 1rem;
    margin-bottom: 16px;
  }
  .longread-image {
    border-width: 8px;
    transform: rotate(0deg);
  }
  .longread-grid.reverse .longread-image {
    transform: rotate(0deg);
  }
  .arch-nav-grid--5 {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .arch-nav-card {
    padding: 30px 16px 24px;
    border-radius: 80px 80px 16px 16px;
  }
  .arch-nav-icon {
    font-size: 2.2rem;
    margin-bottom: 8px;
  }
  .arch-nav-title {
    font-size: 0.95rem;
  }
  .arch-nav-subtitle {
    font-size: 0.7rem;
  }

  .participant-card {
    padding: 28px 24px;
  }
  .card-emoji {
    font-size: 2.5rem;
    margin-bottom: 14px;
  }
  .card-title {
    font-size: 1.2rem;
    margin-bottom: 12px;
  }
}
@media (max-width: 480px) {
  .longread-section {
    padding: 40px 0;
  }
  .longread-title {
    font-size: clamp(1.4rem, 7vw, 1.8rem);
  }
  .longread-tag {
    font-size: 0.75rem;
    padding: 4px 12px;
    margin-bottom: 16px;
  }
  .arch-nav-grid--5 {
    grid-template-columns: 1fr 1fr;
  }
  .arch-nav-grid--5 .arch-nav-card:last-child {
    grid-column: 1 / -1;
    max-width: 60%;
    margin: 0 auto;
  }
  .arch-nav-card {
    padding: 24px 12px 20px;
  }
  .arch-nav-icon {
    font-size: 1.8rem;
  }
  .arch-nav-title {
    font-size: 0.85rem;
  }
}
@media (max-width: 600px) {
  .arch-nav-grid:not(.arch-nav-grid--5) { grid-template-columns: 1fr; }
}

/* PARTICIPANT CARDS (CATALOG & PLACEHOLDERS) */
/* FILTER BUTTONS */
.filter-btn {
  background: white; border: 2px solid rgba(0,0,0,0.1); padding: 8px 20px;
  border-radius: 100px; font-weight: 700; font-size: 0.95rem; color: var(--text-gray);
  cursor: pointer; transition: all 0.3s;
}
.filter-btn:hover { border-color: var(--text-dark); color: var(--text-dark); }
.filter-btn.active { background: var(--text-dark); color: white; border-color: var(--text-dark); }

.participant-card {
  background: white;
  border-radius: var(--radius-card);
  padding: 40px 32px;
  box-shadow: var(--shadow-paper);
  transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1), box-shadow 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--text-dark);
  position: relative;
}
.participant-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-hover);
}
.participant-card.empty-slot {
  background: rgba(255, 255, 255, 0.5);
  border: 2px dashed rgba(28, 25, 23, 0.1);
  box-shadow: none;
  backdrop-filter: blur(5px);
}
.participant-card.empty-slot:hover {
  border-color: var(--zab-red);
  transform: translateY(-5px) scale(1.01) rotate(-1deg);
}

.card-emoji {
  font-size: 3rem;
  margin-bottom: 20px;
  text-align: center;
}
.card-tag {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--zab-blue);
  margin-bottom: 10px;
  letter-spacing: 1px;
}
.card-title {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 15px;
  line-height: 1.2;
}
.card-desc {
  color: var(--text-gray);
  font-size: 0.95rem;
  margin-bottom: 20px;
  flex-grow: 1;
}
.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px dashed rgba(0,0,0,0.1);
  padding-top: 15px;
}
.card-link { font-weight: 700; color: var(--zab-blue); }