/* ==========================================================================
   Iran SuJok Academy - knowledge.css
   External Page Stylesheet
   ========================================================================== */

/* --- Source: knowledge/index.html --- */
/* Navigation Bar */
    header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-color, rgba(14, 156, 168, 0.15));
    }

    .page-hero {
      padding: 60px 0 55px;
      background: linear-gradient(135deg, #052a36 0%, #083b4c 50%, #0e9ca8 100%) !important;
      color: #ffffff !important;
      position: relative;
      overflow: hidden;
      margin-bottom: 40px;
    }

    /* Search & Filter Bar */
    .library-controls {
      background: #ffffff;
      border-radius: 24px;
      padding: 26px 30px;
      border: 1px solid rgba(14, 156, 168, 0.18);
      box-shadow: 0 10px 30px rgba(5, 42, 54, 0.05);
      margin-bottom: 40px;
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .search-box {
      position: relative;
      width: 100%;
    }

    .search-box input {
      width: 100%;
      padding: 14px 20px 14px 48px;
      border-radius: 999px;
      border: 2px solid rgba(14, 156, 168, 0.2);
      font-family: inherit;
      font-size: 0.98rem;
      outline: none;
      transition: all 0.3s ease;
      background: #fcfdfe;
      box-sizing: border-box;
    }

    .search-box input:focus {
      border-color: var(--teal-main, #0e9ca8);
      box-shadow: 0 0 0 4px rgba(14, 156, 168, 0.15);
      background: #ffffff;
    }

    .search-box .search-icon {
      position: absolute;
      left: 18px;
      top: 50%;
      transform: translateY(-50%);
      font-size: 1.2rem;
      color: #0e9ca8;
      pointer-events: none;
    }

    .filter-tabs {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
    }

    .filter-btn {
      padding: 9px 20px;
      border-radius: 999px;
      border: 1px solid rgba(14, 156, 168, 0.2);
      background: #ffffff;
      color: #486875;
      font-family: inherit;
      font-size: 0.88rem;
      font-weight: 700;
      cursor: pointer;
      transition: all 0.25s ease;
    }

    .filter-btn:hover,
    .filter-btn.active {
      background: var(--teal-main, #0e9ca8);
      color: #ffffff;
      border-color: var(--teal-main, #0e9ca8);
      box-shadow: 0 4px 14px rgba(14, 156, 168, 0.25);
    }

    /* Books Grid */
    .books-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
      gap: 30px;
      margin-bottom: 60px;
    }

    .book-card {
      background: #ffffff;
      border-radius: 20px;
      padding: 22px;
      border: 1px solid rgba(14, 156, 168, 0.18);
      box-shadow: 0 10px 30px rgba(5, 42, 54, 0.06);
      display: flex;
      flex-direction: column;
      transition: transform 0.35s cubic-bezier(0.165, 0.84, 0.44, 1), box-shadow 0.35s ease;
      cursor: pointer;
      position: relative;
    }

    .book-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 20px 45px rgba(14, 156, 168, 0.22);
      border-color: var(--teal-main, #0e9ca8);
    }

    /* 3D Book Cover Container */
    .book-cover-wrap {
      width: 100%;
      height: 270px;
      border-radius: 14px;
      overflow: hidden;
      margin-bottom: 18px;
      background: linear-gradient(135deg, #052a36 0%, #0e9ca8 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: inset 0 0 15px rgba(0, 0, 0, 0.1), 0 8px 20px rgba(5, 42, 54, 0.15);
      position: relative;
    }

    .book-cover-img {
      max-width: 100%;
      max-height: 100%;
      object-fit: contain;
      transition: transform 0.4s ease;
      padding: 8px;
    }

    .book-card:hover .book-cover-img {
      transform: scale(1.05);
    }

    .book-badge {
      display: inline-block;
      padding: 4px 12px;
      border-radius: 999px;
      background: #e6f9fa;
      color: #0e9ca8;
      font-size: 0.78rem;
      font-weight: 800;
      margin-bottom: 10px;
      align-self: flex-start;
    }

    .book-title {
      font-size: 1.15rem;
      font-weight: 800;
      color: #052a36;
      margin-bottom: 4px;
      line-height: 1.4;
    }

    .book-en-title {
      font-size: 0.8rem;
      color: #0e9ca8;
      font-weight: 600;
      margin-bottom: 10px;
      direction: ltr;
      text-align: right;
    }

    .book-author {
      font-size: 0.84rem;
      color: #64748b;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .book-desc {
      font-size: 0.88rem;
      color: #486875;
      line-height: 1.75;
      margin-bottom: 16px;
      flex-grow: 1;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .book-btn {
      width: 100%;
      padding: 10px;
      border-radius: 12px;
      border: 1px solid rgba(14, 156, 168, 0.3);
      background: #f8fafc;
      color: #0e9ca8;
      font-family: inherit;
      font-size: 0.85rem;
      font-weight: 800;
      text-align: center;
      transition: all 0.25s ease;
    }

    .book-card:hover .book-btn {
      background: var(--teal-main, #0e9ca8);
      color: #ffffff;
      border-color: var(--teal-main, #0e9ca8);
    }

    /* Modal Styling */
    .modal-overlay {
      position: fixed;
      inset: 0;
      background: rgba(5, 42, 54, 0.8);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      z-index: 9999;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 20px;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.3s ease;
    }

    .modal-overlay.active {
      opacity: 1;
      pointer-events: auto;
    }

    .modal-card {
      background: #ffffff;
      border-radius: 24px;
      max-width: 780px;
      width: 100%;
      max-height: 90vh;
      overflow-y: auto;
      padding: 36px;
      position: relative;
      box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
      display: grid;
      grid-template-columns: 260px 1fr;
      gap: 30px;
      transform: translateY(20px);
      transition: transform 0.3s ease;
    }

    .modal-overlay.active .modal-card {
      transform: translateY(0);
    }

    .modal-close {
      position: absolute;
      top: 20px;
      left: 20px;
      width: 36px;
      height: 36px;
      border-radius: 50%;
      border: none;
      background: #f1f5f9;
      color: #052a36;
      font-size: 1.2rem;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.2s ease;
    }

    .modal-close:hover {
      background: #e2e8f0;
      color: #ef4444;
    }

    .modal-img-wrap {
      width: 100%;
      height: 340px;
      border-radius: 16px;
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 10px;
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    }

    .modal-img-wrap img {
      max-width: 100%;
      max-height: 100%;
      object-fit: contain;
    }

    .journal-section {
      background: #052a36;
      color: #ffffff;
      border-radius: 28px;
      padding: 50px 40px;
      margin-bottom: 60px;
    }

    .journal-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 24px;
      margin-top: 30px;
    }

    .journal-card {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: 18px;
      padding: 24px;
    }

    .journal-card h4 {
      color: #15cadb;
      font-size: 1.1rem;
      margin-bottom: 8px;
    }

    .journal-card p {
      color: #c4d7e0;
      font-size: 0.88rem;
      line-height: 1.7;
    }

    @media (max-width: 768px) {
      .modal-card {
        grid-template-columns: 1fr;
        padding: 24px;
      }

      .modal-img-wrap {
        height: 250px;
      }

      .library-controls {
        padding: 20px;
      }
    }

/* --- Source: views/sujok-correspondence.html --- */
    .hero-stat-badge {
      background: rgba(255, 255, 255, 0.12);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: 16px;
      padding: 14px 22px;
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .hero-stat-val {
      font-size: 1.6rem;
      font-weight: 900;
      color: #15cadb;
    }
    .hero-stat-lbl {
      font-size: 0.85rem;
      color: #d1e4ec;
      line-height: 1.3;
    }

    /* ==========================================================================
       Correspondence System - Concept Card & Spirit Box
       ========================================================================== */
    .concept-card {
      background: #ffffff;
      border-radius: var(--radius-lg, 24px);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      padding: 36px;
      margin-bottom: 36px;
      transition: all var(--transition-fast);
    }
    .concept-card:hover {
      box-shadow: var(--shadow-lg);
      border-color: var(--border-hover);
    }
    .concept-card-header {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 16px;
    }
    .concept-card-title {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--primary-dark);
      margin: 0;
      line-height: 1.4;
    }
    .spirit-box {
      background: linear-gradient(135deg, rgba(14, 156, 168, 0.08) 0%, rgba(5, 42, 54, 0.04) 100%);
      border-right: 5px solid var(--teal-main);
      border-radius: 12px 20px 20px 12px;
      padding: 24px 28px;
      margin-top: 24px;
    }
    .spirit-box-title {
      color: var(--primary-dark);
      font-size: 1.1rem;
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 8px;
      flex-wrap: wrap;
      font-weight: 800;
    }
    .correspondence-types-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 24px;
      margin-bottom: 50px;
    }
    .correspondence-type-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 18px;
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: all var(--transition-fast);
    }
    .correspondence-type-card:hover {
      border-color: var(--teal-bright);
    }

    /* 6Ki2 Specific Elements */
    .gradient-card-dark {
      background: linear-gradient(135deg, #052a36 0%, #083b4c 100%);
      border-radius: var(--radius-lg, 24px);
      padding: 40px;
      color: #ffffff;
      box-shadow: var(--shadow-lg);
      margin-bottom: 40px;
    }
    .duality-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      margin: 24px 0;
    }
    .duality-card {
      border-radius: 16px;
      padding: 24px;
    }
    .duality-card-micro {
      background: rgba(14, 156, 168, 0.04);
      border: 1px solid rgba(14, 156, 168, 0.2);
    }
    .duality-card-holistic {
      background: rgba(5, 42, 54, 0.04);
      border: 1px solid rgba(5, 42, 54, 0.15);
    }
    .reference-box {
      background: #f8fafc;
      border-radius: 20px;
      border: 1px solid var(--border-color);
      padding: 36px;
      margin-bottom: 50px;
    }

    .feature-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
      gap: 20px;
      margin-top: 24px;
    }
    .feature-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 20px;
      box-shadow: var(--shadow-sm);
      transition: all var(--transition-fast);
      display: flex;
      align-items: flex-start;
      gap: 14px;
    }
    .feature-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: var(--teal-bright);
    }
    .feature-icon {
      font-size: 1.35rem;
      background: var(--teal-light);
      color: var(--teal-main);
      width: 48px;
      height: 48px;
      border-radius: 14px;
      border: 1px solid rgba(14, 156, 168, 0.18);
      box-shadow: 0 3px 10px rgba(14, 156, 168, 0.06);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      transition: all 0.25s ease;
    }
    .feature-card:hover .feature-icon {
      background: var(--teal-main);
      color: #ffffff;
      border-color: var(--teal-main);
      box-shadow: 0 6px 16px rgba(14, 156, 168, 0.25);
    }
    .feature-num {
      font-size: 0.75rem;
      font-weight: 800;
      color: var(--teal-main);
      background: rgba(14, 156, 168, 0.1);
      padding: 2px 8px;
      border-radius: 20px;
      display: inline-block;
      margin-bottom: 4px;
    }
    .feature-title {
      font-size: 0.95rem;
      font-weight: 800;
      color: var(--primary-dark);
      margin-bottom: 4px;
    }
    .feature-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin: 0;
    }
    .stat-card {
      background: linear-gradient(135deg, #052a36 0%, #083b4c 100%);
      color: #ffffff;
      border-radius: 20px;
      padding: 28px;
      text-align: center;
      box-shadow: var(--shadow-md);
    }
    .stat-number {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--teal-bright);
      margin-bottom: 6px;
    }
    .stat-label {
      font-size: 0.9rem;
      color: #d1e4ec;
      line-height: 1.5;
    }

    @media (max-width: 768px) {
      .concept-card {
        padding: 24px 18px;
        border-radius: 20px;
        margin-bottom: 28px;
      }
      .concept-card-header {
        gap: 12px;
        margin-bottom: 14px;
      }
      .concept-card-title {
        font-size: 1.35rem;
      }
      .spirit-box {
        padding: 18px 16px;
        border-radius: 10px 16px 16px 10px;
        margin-top: 20px;
      }
      .spirit-box-title {
        font-size: 1.02rem;
      }
      .correspondence-types-grid {
        grid-template-columns: 1fr;
        gap: 16px;
      }
      .correspondence-type-card {
        padding: 20px 16px;
        border-radius: 16px;
      }
      .feature-grid {
        grid-template-columns: 1fr;
        gap: 14px;
      }
      .gradient-card-dark {
        padding: 24px 18px;
        border-radius: 20px;
        margin-bottom: 28px;
      }
      .duality-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        margin: 18px 0;
      }
      .duality-card {
        padding: 20px 16px;
      }
      .reference-box {
        padding: 24px 18px;
        border-radius: 16px;
        margin-bottom: 30px;
      }
      .triorigin-article {
        padding: 26px 20px;
        border-radius: 20px;
        margin-bottom: 30px;
      }
      .triorigin-article-dark {
        padding: 28px 20px;
        border-radius: 20px;
        margin-bottom: 32px;
      }
      .triorigin-orders-grid {
        grid-template-columns: 1fr;
        gap: 14px;
      }
      .triorigin-order-card {
        padding: 16px;
      }
    }

    @media (max-width: 480px) {
      .concept-card {
        padding: 18px 14px;
        border-radius: 16px;
      }
      .concept-card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
      }
      .concept-card-title {
        font-size: 1.2rem;
        line-height: 1.45;
      }
      .concept-card p {
        font-size: 0.94rem !important;
        line-height: 1.85 !important;
        margin-bottom: 12px !important;
      }
      .spirit-box {
        padding: 14px 12px;
        border-right-width: 4px;
        margin-top: 16px;
      }
      .spirit-box-title {
        font-size: 0.95rem;
      }
      .spirit-box p {
        font-size: 0.9rem !important;
        line-height: 1.8 !important;
      }
      .gradient-card-dark {
        padding: 18px 14px;
        border-radius: 16px;
      }
      .duality-grid {
        grid-template-columns: 1fr;
        gap: 12px;
        margin: 16px 0;
      }
      .duality-card {
        padding: 16px 14px;
      }
      .duality-card h3 {
        font-size: 1.05rem !important;
        line-height: 1.4 !important;
      }
      .duality-card p {
        font-size: 0.88rem !important;
        line-height: 1.75 !important;
      }
      .reference-box {
        padding: 18px 14px;
        border-radius: 14px;
        margin-bottom: 24px;
      }
      .triorigin-article {
        padding: 18px 14px;
        border-radius: 16px;
        margin-bottom: 24px;
      }
      .triorigin-article-dark {
        padding: 20px 14px;
        border-radius: 16px;
        margin-bottom: 26px;
      }
      .triorigin-orders-grid {
        grid-template-columns: 1fr;
        gap: 12px;
      }
      .triorigin-order-card {
        padding: 14px 12px;
        border-radius: 12px;
      }
      .triorigin-order-title {
        font-size: 0.95rem;
        line-height: 1.4;
      }
      .triorigin-order-desc {
        font-size: 0.88rem;
        line-height: 1.75;
      }
    }

/* --- Source: views/sujok-triorigin.html --- */
.triorigin-article {
  background: #ffffff;
  border-radius: var(--radius-lg, 24px);
  border: 1px solid var(--border-color, #e2e8f0);
  box-shadow: var(--shadow-md, 0 10px 30px rgba(0,0,0,0.06));
  padding: 42px;
  margin-bottom: 46px;
  transition: all var(--transition-fast);
}

.triorigin-article-dark {
  background: linear-gradient(145deg, #052a36 0%, #083b4c 100%);
  border-radius: var(--radius-lg, 24px);
  padding: 44px 40px;
  color: #ffffff;
  box-shadow: var(--shadow-lg, 0 15px 35px rgba(0,0,0,0.15));
  margin-bottom: 50px;
}

.triorigin-orders-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  margin-bottom: 24px;
}

.triorigin-order-card {
  background: #f8fafc;
  border: 1px solid rgba(14, 156, 168, 0.18);
  border-radius: 14px;
  padding: 20px;
  transition: all 0.25s ease;
}

.triorigin-order-card:hover {
  border-color: var(--teal-main, #0e9ca8);
  background: #ffffff;
  box-shadow: var(--shadow-sm);
}

.triorigin-order-title {
  color: var(--teal-main, #0e9ca8);
  font-size: 1rem;
  display: block;
  margin-bottom: 8px;
  font-weight: 800;
  line-height: 1.45;
}

.triorigin-order-desc {
  font-size: 0.92rem;
  color: #475569;
  line-height: 1.85;
  margin: 0;
}