:root {
    --dark:   #2a5a5e;
    --mid:    #367074;
    --teal:   #4a9097;
    --gold:   #CEBEA5;
    --gold-lt:#b8a48a;
    --bg:     #f0f6f6;
    --white:  #FFFFFF;
    --text:   #1a2e30;
    --muted:  #3d5c5e;
    --light:  #7da8aa;
    --div:    #c8e2e6;
    --row:    #e4f2f4;
  }

  * { margin:0; padding:0; box-sizing:border-box; }

  body {
    font-family: 'Tajawal', Tahoma, sans-serif;
    background: var(--bg);
    color: var(--text);
    direction: rtl;
    overflow-x: hidden;
  }

  /* ── Scrollbar ── */
  ::-webkit-scrollbar { width:6px; }
  ::-webkit-scrollbar-track { background: var(--bg); }
  ::-webkit-scrollbar-thumb { background: var(--teal); border-radius:3px; }

  /* ── HEADER ── */
  header {
    background: var(--dark);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
  }
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 40px;
    max-width: 1200px;
    margin: 0 auto;
  }
  .header-logo {
    display:flex; align-items:center; gap:14px;
  }
  .header-logo img {
    height: 64px;
    width: auto;
    filter: drop-shadow(0 2px 6px rgba(0,0,0,0.4));
  }
  .header-title {
    color: var(--white);
  }
  .header-title h1 {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 0.02em;
  }
  .header-title p {
    font-size: 0.78rem;
    color: var(--gold-lt);
    margin-top: 2px;
  }
  .header-badge {
    background: var(--teal);
    color: var(--white);
    padding: 6px 18px;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.05em;
  }
  .gold-bar {
    height: 4px;
    background: linear-gradient(90deg, var(--gold), var(--gold-lt), var(--gold));
  }

  /* ── HERO ── */
  .hero {
    background: linear-gradient(135deg, var(--dark) 0%, #0D3D30 50%, #1A5945 100%);
    padding: 80px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
  }
  .hero::before {
    content:'';
    position:absolute; inset:0;
    background:
      radial-gradient(circle at 15% 50%, rgba(13,158,126,0.18) 0%, transparent 50%),
      radial-gradient(circle at 85% 20%, rgba(155,125,58,0.15) 0%, transparent 40%);
  }
  .hero-pattern {
    position:absolute; inset:0; opacity:0.04;
    background-image: repeating-linear-gradient(45deg, var(--white) 0, var(--white) 1px, transparent 0, transparent 50%);
    background-size: 20px 20px;
  }
  .hero-content { position:relative; z-index:1; max-width:800px; margin:0 auto; }
  .hero-tag {
    display:inline-block;
    background: rgba(13,158,126,0.25);
    border: 1px solid var(--teal);
    color: var(--teal);
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 0.82rem;
    margin-bottom: 24px;
    letter-spacing:0.06em;
  }
  .hero h2 {
    font-family: 'Tajawal', Tahoma, sans-serif;
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1.25;
    margin-bottom: 16px;
  }
  .hero h2 span { color: var(--gold-lt); }
  .hero p {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.72);
    max-width: 600px;
    margin: 0 auto 32px;
    line-height: 1.8;
  }
  .hero-divider {
    width: 80px; height: 3px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    margin: 28px auto;
  }
  .hero-meta {
    display:flex; gap:32px; justify-content:center; flex-wrap:wrap;
  }
  .hero-stat {
    text-align:center;
  }
  .hero-stat .num {
    font-size:2.2rem; font-weight:700; color:var(--teal);
    font-family:'Playfair Display',serif;
  }
  .hero-stat .lbl {
    font-size:0.78rem; color:rgba(255,255,255,0.6); margin-top:2px;
  }

  /* ── NAV TABS ── */
  .nav-tabs {
    background: var(--white);
    border-bottom: 2px solid var(--div);
    position: sticky;
    top: 88px;
    z-index: 90;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  }
  .nav-inner {
    display:flex; gap:0; max-width:1200px; margin:0 auto;
    overflow-x:auto; scrollbar-width:none;
  }
  .nav-inner::-webkit-scrollbar { display:none; }
  .tab-btn {
    padding: 16px 28px;
    border: none;
    background: none;
    color: var(--muted);
    font-family: 'Tajawal', Tahoma, sans-serif;
    font-size: 0.9rem;
    cursor: pointer;
    white-space: nowrap;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: all 0.25s;
    font-weight: 500;
  }
  .tab-btn:hover { color: var(--teal); }
  .tab-btn.active {
    color: var(--dark);
    border-bottom-color: var(--teal);
    font-weight: 700;
    background: linear-gradient(to bottom, transparent, rgba(13,158,126,0.05));
  }

  /* ── SECTIONS ── */
  .section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 40px;
    display: none;
  }
  .section.active { display: block; }

  .section-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 40px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--div);
  }
  .section-number {
    background: var(--dark);
    color: var(--white);
    width: 44px; height: 44px;
    border-radius: 50%;
    display:flex; align-items:center; justify-content:center;
    font-size:1rem; font-weight:700; flex-shrink:0;
  }
  .section-title {
    font-size: 1.55rem;
    font-weight: 700;
    color: var(--dark);
  }
  .section-subtitle {
    font-size: 0.88rem;
    color: var(--light);
    margin-top: 3px;
  }

  /* ── CARDS ── */
  .cards-grid {
    display: grid;
    gap: 20px;
  }
  .cards-grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(340px,1fr)); }
  .cards-grid.cols-3 { grid-template-columns: repeat(auto-fit, minmax(260px,1fr)); }

  .card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 16px rgba(26,74,60,0.08);
    transition: transform 0.25s, box-shadow 0.25s;
    border: 1px solid rgba(200,230,218,0.5);
  }
  .card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(26,74,60,0.14);
  }
  .card-top {
    height: 6px;
  }
  .card-body {
    padding: 24px;
  }
  .card-num {
    display:inline-flex; align-items:center; justify-content:center;
    width:36px; height:36px; border-radius:50%;
    font-size:0.85rem; font-weight:700; color:var(--white);
    margin-bottom: 14px;
    font-family:'Playfair Display',serif;
  }
  .card h3 {
    font-size:1.08rem; font-weight:700; color:var(--dark); margin-bottom:10px;
  }
  .card p {
    font-size:0.9rem; color:var(--muted); line-height:1.85;
  }

  /* ── TIMELINE ── */
  .timeline {
    position:relative;
    padding-right: 32px;
  }
  .timeline::before {
    content:'';
    position:absolute;
    right: 15px; top:0; bottom:0;
    width: 2px;
    background: linear-gradient(to bottom, var(--teal), var(--div));
  }
  .tl-item {
    position:relative;
    margin-bottom: 28px;
    padding-right: 40px;
  }
  .tl-dot {
    position:absolute;
    right: -24px;
    top: 14px;
    width: 28px; height: 28px;
    border-radius:50%;
    display:flex; align-items:center; justify-content:center;
    font-size:0.75rem; font-weight:700; color:var(--white);
    border: 3px solid var(--bg);
    box-shadow: 0 0 0 2px var(--teal);
  }
  .tl-card {
    background: var(--white);
    border-radius: 10px;
    padding: 20px 22px;
    box-shadow: 0 2px 12px rgba(26,74,60,0.07);
    border-right: 4px solid var(--teal);
    transition: transform 0.2s;
  }
  .tl-card:hover { transform: translateX(-4px); }
  .tl-weeks {
    font-size:0.75rem; color:var(--teal); font-weight:700;
    letter-spacing:0.05em; margin-bottom:5px;
  }
  .tl-card h3 {
    font-size:1rem; font-weight:700; color:var(--dark); margin-bottom:6px;
  }
  .tl-card p {
    font-size:0.88rem; color:var(--muted); line-height:1.8;
  }

  /* ── STATS TABLE ── */
  .stat-row {
    display:flex; align-items:stretch;
    background: var(--white);
    border-radius: 10px;
    margin-bottom: 14px;
    overflow:hidden;
    box-shadow: 0 2px 10px rgba(26,74,60,0.06);
    border: 1px solid rgba(200,230,218,0.4);
    transition: transform 0.2s;
  }
  .stat-row:hover { transform: translateX(-4px); }
  .stat-num {
    width: 64px; flex-shrink:0;
    display:flex; align-items:center; justify-content:center;
    font-size:1.1rem; font-weight:700; color:var(--white);
    font-family:'Playfair Display',serif;
  }
  .stat-content { padding: 18px 22px; flex:1; }
  .stat-content h3 {
    font-size:1.0rem; font-weight:700; color:var(--dark); margin-bottom:6px;
  }
  .stat-content p {
    font-size:0.88rem; color:var(--muted); line-height:1.8;
  }

  /* ── MATRIX TABLE ── */
  .matrix-table {
    width:100%; border-collapse:collapse;
    border-radius:12px; overflow:hidden;
    box-shadow: 0 4px 24px rgba(26,74,60,0.1);
  }
  .matrix-table th {
    background: var(--dark);
    color: var(--white);
    padding: 14px 18px;
    font-size:0.88rem;
    font-weight:600;
    text-align:center;
  }
  .matrix-table td {
    padding: 16px 18px;
    font-size:0.88rem;
    vertical-align:middle;
    text-align:center;
    line-height:1.7;
    border-bottom: 1px solid var(--div);
  }
  .matrix-table tr:nth-child(even) td { background: var(--row); }
  .matrix-table tr:last-child td { border-bottom:none; }
  .matrix-table .rec {
    color: var(--teal); font-weight:700;
  }
  .dot {
    display:inline-block;
    width:10px; height:10px; border-radius:50%;
    margin-left:6px; vertical-align:middle;
  }
  .dot-green { background:#2ECC71; }
  .dot-yellow { background:#F39C12; }
  .dot-red { background:#E74C3C; }

  /* ── ROLES GRID ── */
  .role-card {
    background: var(--white);
    border-radius:12px; overflow:hidden;
    box-shadow: 0 2px 16px rgba(26,74,60,0.08);
    border: 1px solid rgba(200,230,218,0.5);
    transition: transform 0.25s, box-shadow 0.25s;
  }
  .role-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 28px rgba(26,74,60,0.14);
  }
  .role-header {
    padding: 16px 20px;
    display:flex; align-items:center; gap:12px;
  }
  .role-icon {
    font-size:1.6rem; flex-shrink:0;
  }
  .role-header h3 { font-size:1rem; font-weight:700; color:var(--white); }
  .role-body { padding:18px 20px; }
  .role-body p { font-size:0.88rem; color:var(--muted); line-height:1.85; }

  /* ── RECS ── */
  .rec-item {
    display:flex; align-items:flex-start; gap:16px;
    background: var(--white);
    border-radius:10px; padding:20px 24px;
    margin-bottom:14px;
    box-shadow: 0 2px 10px rgba(26,74,60,0.06);
    border-right: 5px solid var(--teal);
    transition: transform 0.2s;
  }
  .rec-item:nth-child(even) { border-right-color: var(--dark); }
  .rec-item:hover { transform: translateX(-4px); }
  .rec-num {
    font-family:'Playfair Display',serif;
    font-size:1.6rem; font-weight:900;
    color:var(--teal); flex-shrink:0; line-height:1;
    margin-top:2px;
  }
  .rec-item:nth-child(even) .rec-num { color: var(--dark); }
  .rec-text {
    font-size:0.95rem; color:var(--muted); line-height:1.9;
  }

  /* ── FOOTER ── */
  footer {
    background: var(--dark);
    padding: 40px;
    text-align:center;
    margin-top: 60px;
  }
  footer img {
    height:70px; margin-bottom:14px;
    filter:drop-shadow(0 2px 8px rgba(0,0,0,0.4));
  }
  footer h3 {
    color:var(--white); font-size:1.1rem; margin-bottom:6px;
  }
  footer p {
    color: rgba(255,255,255,0.5); font-size:0.82rem;
  }
  .gold-tag {
    display:inline-block; margin-top:12px;
    border:1px solid var(--gold);
    color:var(--gold-lt);
    padding:5px 20px; border-radius:20px;
    font-size:0.8rem; letter-spacing:0.06em;
  }

  /* ── ANIMATIONS ── */
  @keyframes fadeUp {
    from { opacity:0; transform:translateY(20px); }
    to   { opacity:1; transform:translateY(0); }
  }
  .section.active .card,
  .section.active .tl-item,
  .section.active .stat-row,
  .section.active .rec-item,
  .section.active .role-card,
  .section.active .matrix-table {
    animation: fadeUp 0.4s ease both;
  }
  .section.active .card:nth-child(1), .section.active .tl-item:nth-child(1), .section.active .stat-row:nth-child(1), .section.active .rec-item:nth-child(1), .section.active .role-card:nth-child(1) { animation-delay:0.05s; }
  .section.active .card:nth-child(2), .section.active .tl-item:nth-child(2), .section.active .stat-row:nth-child(2), .section.active .rec-item:nth-child(2), .section.active .role-card:nth-child(2) { animation-delay:0.12s; }
  .section.active .card:nth-child(3), .section.active .tl-item:nth-child(3), .section.active .stat-row:nth-child(3), .section.active .rec-item:nth-child(3), .section.active .role-card:nth-child(3) { animation-delay:0.19s; }
  .section.active .card:nth-child(4), .section.active .tl-item:nth-child(4), .section.active .stat-row:nth-child(4), .section.active .rec-item:nth-child(4), .section.active .role-card:nth-child(4) { animation-delay:0.26s; }

  @media(max-width:600px){
    .header-inner { padding:10px 16px; }
    .section { padding:40px 16px; }
    .hero { padding:50px 20px; }
    .tab-btn { padding:12px 16px; font-size:0.8rem; }
    .hero-meta { gap:20px; }
  }