:root {
    --primary: #0f3460;
    --secondary: #00b4d8;
    --accent: #e94560;
    --gold: #f59e0b;
    --purple: #8b5cf6;
    --green: #10b981;
    --bg-light: #f8fafc;
    --bg-dark: #0f172a;
    --card-bg: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --shadow: 0 10px 25px -5px rgba(0,0,0,0.1);
    --radius: 16px;
    --wa-color: #25D366;
    --tg-color: #0088cc;
}

/* استبدل السطر القديم */
* { box-sizing:border-box; margin:0; padding:0; } /* أزلت font-family من هنا */
html { scroll-behavior:smooth; }
body { background:var(--bg-light); color:var(--text-main); line-height:1.7; font-family:'Cairo',sans-serif; } /* أضفتها هنا فقط */

/* أضف هذا لتحسين أنيميشن الصورة */
.hero-graphic img { 
    max-width:280px; 
    filter: brightness(0) invert(1) drop-shadow(0 10px 20px rgba(0,180,216,0.3)); 
    will-change: transform; /* تحسين أداء الأنيميشن */
}
a { text-decoration:none; color:inherit; }
ul { list-style:none; }
img { max-width:100%; display:block; }
.container { width:90%; max-width:1240px; margin:0 auto; }

/* Navbar */
.navbar { background: rgba(255,255,255,0.95); backdrop-filter:blur(10px); box-shadow:0 2px 10px rgba(0,0,0,0.05); position:sticky; top:0; z-index:1000; padding:15px 0; border-bottom:1px solid var(--border); }
.nav-flex { display:flex; justify-content:space-between; align-items:center; }
.logo { display:flex; align-items:center; gap:12px; color:var(--primary); font-weight:800; font-size:1.1rem; }
.logo img { width:45px; height:45px; object-fit:contain; }
.nav-links { display:flex; gap:25px; }
.nav-links a { font-weight:700; color:var(--text-main); transition:0.3s; font-size:0.95rem; }
.nav-links a:hover { color:var(--secondary); }
.menu-toggle { display:none; font-size:1.5rem; cursor:pointer; color:var(--primary); }

/* Hero */
.hero { background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary) 100%); color:white; padding:80px 0; position:relative; overflow:hidden; }
.hero-flex { display:flex; align-items:center; justify-content:space-between; gap:40px; }
.hero-content { flex:1; }
.hero h1 { font-size:2.4rem; font-weight:800; margin-bottom:20px; line-height:1.4; }
.hero p { font-size:1.1rem; color:#cbd5e1; margin-bottom:30px; }
.hero-graphic { flex:0.8; display:flex; justify-content:center; animation: float 4s ease-in-out infinite; }
.hero-graphic img { max-width:280px; filter: brightness(0) invert(1) drop-shadow(0 10px 20px rgba(0,180,216,0.3)); }
@keyframes float { 0%,100%{ transform:translateY(0); } 50%{ transform:translateY(-15px); } }
.btn { display:inline-flex; align-items:center; gap:8px; padding:12px 28px; border-radius:50px; font-weight:700; transition:0.3s; border:none; cursor:pointer; font-size:1rem; }
.btn-primary { background:var(--secondary); color:white; }
.btn-primary:hover { background:#0096c7; transform:translateY(-3px); }

/* Stats */
.stats { margin-top:-40px; position:relative; z-index:10; }
.stats-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.stat-card { background:var(--card-bg); padding:25px 15px; border-radius:var(--radius); box-shadow:var(--shadow); text-align:center; transition:0.3s; border:1px solid var(--border); }
.stat-card:hover { transform:translateY(-5px); border-color:var(--secondary); }
.stat-card i { font-size:2rem; color:var(--secondary); margin-bottom:10px; }
.stat-card h3 { font-size:1.8rem; font-weight:800; color:var(--primary); }
.stat-card p { color:var(--text-muted); font-size:0.9rem; font-weight:600; }

/* Sections */
.section { padding:80px 0; }
.section-title { text-align:center; margin-bottom:50px; }
.section-title h2 { font-size:2.2rem; color:var(--primary); font-weight:800; position:relative; display:inline-block; padding-bottom:15px; }
.section-title h2::after { content:''; position:absolute; bottom:0; left:50%; transform:translateX(-50%); width:60px; height:4px; background:var(--secondary); border-radius:2px; }
.section-title p { color:var(--text-muted); font-size:1.1rem; margin-top:10px; }

/* About */
.about-text { background:var(--card-bg); padding:40px; border-radius:var(--radius); box-shadow:var(--shadow); border-right:5px solid var(--secondary); }
.about-text h3 { font-size:1.5rem; color:var(--primary); margin-bottom:15px; }
.about-text p { color:var(--text-muted); margin-bottom:15px; text-align:justify; }
.dean-signature { display:flex; align-items:center; gap:15px; margin-top:20px; border-top:1px solid var(--border); padding-top:20px; }
.dean-signature h4 { color:var(--primary); font-size:1.1rem; }
.dean-signature span { color:var(--text-muted); font-size:0.9rem; }

/* Tabs for Staff Section */
.tabs { display:flex; gap:10px; margin-bottom:25px; flex-wrap:wrap; justify-content:center; }
.tab-btn { padding:10px 20px; background:#e2e8f0; border:none; border-radius:25px; cursor:pointer; font-weight:600; transition:0.3s; }
.tab-btn.active { background:var(--primary); color:white; }
.staff-tab-content { display:none; }
.staff-tab-content.active { display:block; }

/* Leaders & Key Staff */
.leaders-grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(280px,1fr)); gap:25px; margin-bottom:40px; }
.leader-card { background:var(--card-bg); padding:30px 20px; border-radius:var(--radius); box-shadow:var(--shadow); text-align:center; border-top:4px solid var(--secondary); transition:0.3s; }
.leader-card:hover { transform:translateY(-5px); }
.leader-card i { font-size:2.5rem; color:var(--secondary); margin-bottom:15px; }
.leader-card h4 { color:var(--primary); font-size:1.3rem; margin-bottom:8px; }
.leader-card p { color:var(--text-muted); font-size:1rem; font-weight:600; }

.key-staff-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(300px,1fr)); gap:25px; margin-bottom:30px; }
.key-staff-card { background:var(--card-bg); padding:25px; border-radius:var(--radius); box-shadow:var(--shadow); border-top:4px solid var(--gold); text-align:center; transition:0.3s; }
.key-staff-card:hover { transform:translateY(-5px); }
.key-staff-card .staff-icon { font-size:2.5rem; color:var(--gold); margin-bottom:10px; }
.key-staff-card h4 { color:var(--primary); font-size:1.2rem; margin-bottom:5px; }
.key-staff-card .staff-role { color:var(--text-muted); font-size:0.95rem; font-weight:600; margin-bottom:15px; }
.key-staff-card .staff-links { display:flex; justify-content:center; gap:10px; flex-wrap:wrap; }
.key-staff-card .staff-link { padding:6px 16px; border-radius:20px; font-size:0.85rem; color:white; font-weight:600; transition:0.3s; }
.key-staff-card .staff-link.email { background:var(--primary); }
.key-staff-card .staff-link.whatsapp { background:var(--wa-color); }
.key-staff-card .staff-link.telegram { background:var(--tg-color); }
.key-staff-card .staff-link:hover { opacity:0.8; transform:scale(1.02); }

/* Teachers Grid */
.staff-cards-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(200px,1fr)); gap:15px; }
.staff-card { background:var(--card-bg); border-radius:var(--radius); box-shadow:var(--shadow); padding:15px; text-align:center; transition:0.3s; border:1px solid var(--border); cursor:pointer; }
.staff-card:hover { transform:translateY(-3px); box-shadow:0 8px 20px rgba(0,0,0,0.08); }
.staff-card .staff-icon { font-size:2rem; color:var(--secondary); margin-bottom:8px; }
.staff-card h4 { color:var(--primary); font-size:1rem; margin-bottom:4px; }
.staff-card .staff-role { color:var(--text-muted); font-size:0.8rem; font-weight:600; margin-bottom:10px; }
.staff-card .btn-contact { background:var(--primary); color:white; padding:5px 15px; border-radius:20px; font-size:0.8rem; display:inline-flex; align-items:center; gap:5px; }
.staff-card .btn-contact:hover { background:var(--secondary); }

/* Office Hours Table */
.table-responsive { overflow-x:auto; }
.table-responsive table { width:100%; border-collapse:collapse; background:var(--card-bg); border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); }
.table-responsive th { background:var(--primary); color:white; padding:12px; font-weight:600; }
.table-responsive td { padding:10px; border-bottom:1px solid var(--border); text-align:right; }
.table-responsive tr:hover td { background:#f8fafc; }
.course-badge { display:inline-block; background:#e0f2fe; color:var(--primary); padding:2px 8px; border-radius:12px; font-size:0.85rem; margin:2px; }
.time-badge { background:#dcfce7; color:#166534; padding:3px 10px; border-radius:20px; font-size:0.85rem; display:inline-block; margin:2px; }
.link-btn { color:var(--secondary); font-weight:600; }
.link-btn:hover { text-decoration:underline; }

/* Programs */
.search-filter-row { display:flex; justify-content:center; align-items:center; gap:20px; margin-bottom:30px; flex-wrap:wrap; }
.search-box { position:relative; width:280px; }
.search-box input { width:100%; padding:12px 40px 12px 15px; border-radius:50px; border:2px solid var(--border); font-family:'Cairo'; transition:0.3s; }
.search-box input:focus { border-color:var(--secondary); outline:none; box-shadow:0 0 0 3px rgba(0,180,216,0.2); }
.search-box i { position:absolute; top:50%; left:15px; transform:translateY(-50%); color:var(--text-muted); }
.degree-filters { display:flex; gap:10px; }
.deg-btn { padding:8px 20px; border-radius:50px; border:2px solid var(--border); background:white; font-family:'Cairo'; font-weight:700; cursor:pointer; transition:0.3s; }
.deg-btn.active, .deg-btn:hover { background:var(--secondary); color:white; border-color:var(--secondary); }
.filter-btns { display:flex; justify-content:center; flex-wrap:wrap; gap:10px; margin-bottom:40px; }
.filter-btn { background:var(--card-bg); border:1px solid var(--border); padding:10px 20px; border-radius:50px; cursor:pointer; font-weight:700; color:var(--text-main); transition:0.3s; font-family:'Cairo'; }
.filter-btn.active, .filter-btn:hover { background:var(--primary); color:white; border-color:var(--primary); }
.programs-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(300px,1fr)); gap:25px; }
.prog-card { background:var(--card-bg); border-radius:var(--radius); padding:25px; box-shadow:var(--shadow); border-top:4px solid var(--secondary); transition:0.3s; cursor:pointer; display:flex; flex-direction:column; }
.prog-card:hover { transform:translateY(-5px); }
.prog-card .icon { font-size:2rem; color:var(--secondary); margin-bottom:15px; }
.prog-card h3 { font-size:1.2rem; color:var(--primary); margin-bottom:10px; }
.prog-card .meta { display:flex; justify-content:space-between; color:var(--text-muted); font-size:0.9rem; font-weight:600; margin-top:auto; border-top:1px dashed var(--border); padding-top:15px; }
.badge { padding:4px 12px; border-radius:50px; font-size:0.8rem; font-weight:700; }
.badge-bs { background:rgba(139,92,246,0.1); color:var(--purple); }
.badge-dip { background:rgba(245,158,11,0.1); color:var(--gold); }
.prog-links { margin-top:15px; display:flex; flex-wrap:wrap; gap:8px; }
.prog-link { font-size:0.8rem; padding:4px 12px; border-radius:20px; background:var(--secondary); color:white; transition:0.3s; }
.prog-link:hover { background:var(--primary); }

/* Hub */
.hub-card { background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%); border:2px solid var(--secondary); border-radius:var(--radius); padding:30px; text-align:center; box-shadow:var(--shadow); }
.qr-box { width:160px; height:160px; background:white; padding:10px; border-radius:12px; margin:0 auto 20px auto; box-shadow:0 4px 10px rgba(0,0,0,0.05); }
.qr-box img { width:100%; height:100%; object-fit:contain; }
.btn-tg { background:var(--tg-color); color:white; }
.btn-tg:hover { background:#0077b5; }
.btn-wa { background:var(--wa-color); color:white; }
.btn-wa:hover { background:#1ebd58; }

/* Initiatives */
.init-grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(280px,1fr)); gap:25px; }
.init-card { background:var(--card-bg); border-radius:var(--radius); padding:30px; box-shadow:var(--shadow); display:flex; flex-direction:column; justify-content:space-between; border-top:5px solid transparent; transition:0.3s; }
.init-card.eng { border-top-color:var(--primary); }
.init-card.cyber { border-top-color:var(--secondary); }
.init-card.sadeem { border-top-color:var(--gold); }
.init-card.ai { border-top-color:var(--purple); }
.init-header { display:flex; align-items:center; gap:15px; margin-bottom:15px; }
.init-header i { font-size:2.2rem; }
.init-card h3 { font-size:1.2rem; color:var(--text-main); }
.init-card p { color:var(--text-muted); font-size:0.95rem; margin-bottom:20px; flex-grow:1; }

/* Contact */
.contact-small-grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(150px,1fr)); gap:20px; }
.contact-small-card { background:var(--card-bg); padding:20px; border-radius:var(--radius); box-shadow:var(--shadow); text-align:center; transition:0.3s; }
.contact-small-card:hover { transform:translateY(-3px); }
.contact-small-card i { font-size:2rem; color:var(--secondary); margin-bottom:10px; }
.contact-small-card h4 { color:var(--primary); margin-bottom:5px; font-size:1rem; }
.contact-small-card p, .contact-small-card a { color:var(--text-muted); font-size:0.9rem; font-weight:600; direction: ltr; }

/* Footer */
footer { background:var(--bg-dark); color:#94a3b8; padding:40px 0; text-align:center; margin-top:60px; }
footer .copyright { color:white; font-weight:700; font-size:1.1rem; margin-bottom:10px; }

/* Scroll Top */
.scroll-top-btn { position:fixed; bottom:30px; right:30px; width:45px; height:45px; border-radius:50%; background:var(--primary); color:white; border:none; cursor:pointer; font-size:1.2rem; box-shadow:0 4px 15px rgba(0,0,0,0.2); transition:0.3s; opacity:0; visibility:hidden; z-index:999; }
.scroll-top-btn.show { opacity:1; visibility:visible; }
.scroll-top-btn:hover { background:var(--secondary); }

/* Modal */
.modal { position:fixed; top:0; left:0; width:100%; height:100%; background:rgba(0,0,0,0.5); display:flex; align-items:center; justify-content:center; z-index:2000; opacity:0; pointer-events:none; transition:0.3s; }
.modal.show { opacity:1; pointer-events:auto; }
.modal-content { background:white; border-radius:var(--radius); width:90%; max-width:800px; max-height:85vh; overflow-y:auto; padding:25px; box-shadow:var(--shadow); transform:translateY(20px); transition:0.3s; }
.modal.show .modal-content { transform:translateY(0); }
.modal-header { display:flex; justify-content:space-between; align-items:center; border-bottom:1px solid var(--border); padding-bottom:15px; margin-bottom:15px; }
.modal-header h3 { color:var(--primary); font-size:1.3rem; }
.modal-close { font-size:1.8rem; cursor:pointer; color:var(--text-muted); }
.modal-close:hover { color:var(--accent); }
.modal-tabs { display:flex; gap:10px; margin-bottom:20px; border-bottom:2px solid var(--border); padding-bottom:10px; }
.modal-tab { padding:8px 20px; border-radius:25px; background:#f1f5f9; border:none; cursor:pointer; font-weight:600; transition:0.3s; }
.modal-tab.active { background:var(--secondary); color:white; }
.modal-body { padding:15px 0; }
.center-text { text-align:center; }

@media (max-width:992px){ .stats-grid{grid-template-columns:repeat(2,1fr);} .hero-flex{flex-direction:column;text-align:center;} .hero-graphic img{max-width:200px;} }
@media (max-width:768px){ .menu-toggle{display:block;} .nav-links{position:absolute;top:100%;left:0;width:100%;background:white;flex-direction:column;padding:20px;box-shadow:var(--shadow);display:none;} .nav-links.active{display:flex;} .hero h1{font-size:1.8rem;} .stats-grid{grid-template-columns:1fr 1fr;} }
/* تبويبات النافذة المنبثقة */
.tab-pane { display: none; animation: fadeIn 0.3s ease; }
.tab-pane.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.init-card.eng .init-header i { color: var(--primary); }
.init-card.cyber .init-header i { color: var(--secondary); }
.init-card.sadeem .init-header i { color: var(--gold); }
.init-card.ai .init-header i { color: var(--purple); }
.table-responsive tr:nth-child(even) td { background-color: #f8fafc; }
.table-responsive tr:hover td { background-color: #e0f2fe !important; transition: 0.2s; }
/* جدول الخطة الدراسية */
.plan-table-container { overflow-x: auto; margin-top: 15px; }
.plan-table { width: 100%; border-collapse: collapse; background: var(--card-bg); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.plan-table th { background: var(--primary); color: white; padding: 12px; font-weight: 600; text-align: right; }
.plan-table td { padding: 10px 12px; border-bottom: 1px solid var(--border); text-align: right; font-size: 0.95rem; }
.plan-table tr:nth-child(even) td { background-color: #f8fafc; }
.plan-table tr:hover td { background-color: #e0f2fe !important; transition: 0.2s; }
.plan-table td:first-child { font-weight: 600; color: var(--secondary); background: rgba(0,180,216,0.05); }

/* أزرار فلترة الأيام */
.days-filter { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; justify-content: center; }
.day-btn { padding: 6px 15px; border-radius: 20px; border: 1px solid var(--border); background: white; cursor: pointer; font-weight: 600; transition: 0.3s; font-size: 0.9rem; }
.day-btn.active, .day-btn:hover { background: var(--secondary); color: white; border-color: var(--secondary); }