:root {
    --bg-dark: #050A14;
    --bg-card: #0C1015;
    --bg-alt: #0A0F1A;
    --primary: #00D2FF;
    --secondary: #B026FF;
    --text-light: #FFFFFF;
    --text-gray: #AAAAAA;
    --border: #2A3645;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Outfit', sans-serif; }
html { scroll-behavior: smooth; max-width: 100%; overflow-x: hidden; }
body { background-color: var(--bg-dark); color: var(--text-light); max-width: 100%; overflow-x: hidden; }
a { text-decoration: none; }
ul { padding-left: 20px; }

/* ===== Navbar ===== */
.navbar { position: fixed; top: 0; width: 100%; background: rgba(5, 10, 20, 0.8); backdrop-filter: blur(10px); z-index: 1000; border-bottom: 1px solid var(--border); }
.nav-container { max-width: 1200px; margin: auto; padding: 15px 20px; display: flex; justify-content: space-between; align-items: center; }
.logo { color: var(--text-light); font-size: 1.5rem; font-weight: 800; }
.logo span { color: var(--primary); }
.nav-menu { list-style: none; display: flex; gap: 30px; }
.nav-menu a { color: var(--text-gray); transition: 0.3s; font-weight: 500; }
.nav-menu a:hover { color: var(--primary); }
.btn-login { background: var(--primary); color: #000; padding: 10px 20px; border-radius: 5px; font-weight: 600; transition: 0.3s; display: inline-block; }
.btn-login:hover { box-shadow: 0 0 15px var(--primary); }
.hamburger { display: none; cursor: pointer; flex-direction: column; gap: 5px; }
.hamburger span { width: 25px; height: 3px; background: var(--text-light); }

/* ===== Hero ===== */
.hero { min-height: 100vh; width: 100%; display: flex; align-items: center; justify-content: center; text-align: center; position: relative; background-image: url('../assets/alxfff_cover.webp'); background-size: cover; background-position: center; overflow: hidden; }
.hero-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(5, 10, 20, 0.85); }
.hero-content { position: relative; z-index: 2; padding: 0 20px; width: 100%; }
.main-title { font-size: 7rem; color: var(--primary); text-shadow: 0 0 30px rgba(0, 210, 255, 0.5); letter-spacing: 4px; }
.sub-title-name { font-size: 2.2rem; color: var(--secondary); text-shadow: 0 0 15px rgba(176, 38, 255, 0.5); margin: 10px 0 25px; font-weight: 500; }
.slogan { font-size: 1.5rem; border-top: 1px solid rgba(255,255,255,0.2); border-bottom: 1px solid rgba(255,255,255,0.2); padding: 15px 0; display: inline-block; max-width: 900px; width: 100%; }
.btn-explore { display: inline-block; margin-top: 30px; color: var(--text-light); border: 2px solid var(--primary); padding: 12px 30px; border-radius: 30px; transition: 0.3s; font-weight: 600; }
.btn-explore:hover { background: var(--primary); color: #000; box-shadow: 0 0 20px var(--primary); }

/* ===== Sections & Containers ===== */
.section { padding: 80px 20px; text-align: center; }
.section-alt { background: var(--bg-alt); }
.container { max-width: 1200px; margin: auto; }
.header-title { font-size: 3rem; color: var(--primary); text-shadow: 0 0 15px rgba(0, 210, 255, 0.5); margin-bottom: 40px; letter-spacing: 2px; }
.vision-section { padding: 40px 20px; }
.vision-container { max-width: 900px; margin: 0 auto; background: linear-gradient(145deg, rgba(26, 32, 44, 0.6), rgba(15, 20, 30, 0.8)); border-left: 5px solid var(--primary); padding: 30px; border-radius: 20px; text-align: center; }
.vision-text { color: var(--text-gray); line-height: 1.8; font-size: 1.2rem; }

/* ===== About Us (تم كبر الصور) ===== */
.team-img { width: 100%; max-width: 1100px; border-radius: 15px; margin-bottom: 10px; border: 2px solid var(--border); }
.team-img-caption { color: var(--text-gray); font-size: 1.2rem; margin-bottom: 40px; }
.about-wrapper { display: flex; gap: 30px; align-items: center; background: rgba(26, 32, 44, 0.5); border: 1px solid var(--border); padding: 30px; border-radius: 20px; border-left: 5px solid var(--secondary); margin-bottom: 60px; text-align: left; }
.about-logo img { width: 150px; height: auto; border-radius: 10px; }
.supervisor-title { color: var(--text-light); margin: 40px 0 20px; font-size: 2rem; }
.supervisor-card { 
    display: flex; 
    gap: 30px; 
    background: var(--bg-card); 
    border: 1px solid var(--border); 
    border-radius: 15px; 
    padding: 30px; 
    text-align: left; 
    align-items: stretch; /* يجبر العناصر تاخد نفس الطول */
}
.supervisor-card img { 
    width: 450px; 
    min-width: 450px; 
    align-self: stretch; /* يجبر الصورة تتمدد لطول الكارت */
    object-fit: cover; /* يملأ الصورة بالكامل بدون تشويه */
    border-radius: 15px; 
    border: 1px solid var(--border); 
}
.profile-card { background: linear-gradient(145deg, #131923, #0C1015); border: 1px solid var(--border); border-radius: 15px; padding: 20px; text-align: left; width: 100%; }
.profile-name { color: var(--text-light); font-size: 1.4rem; font-weight: bold; text-align: center; }
.profile-role { color: var(--secondary); font-size: 1rem; font-weight: bold; margin: 10px 0 15px; text-align: center; }
.profile-bio { color: var(--text-gray); font-size: 0.95rem; line-height: 1.7; }

/* ===== Team Carousel ===== */
.team-carousel { background: var(--bg-card); border: 1px solid var(--border); border-radius: 15px; padding: 30px; margin-top: 20px; }
.carousel-btns { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.carousel-btns button { background: transparent; border: 1px solid var(--primary); color: var(--primary); padding: 10px 20px; border-radius: 8px; cursor: pointer; font-weight: 600; transition: 0.3s; }
.carousel-btns button:hover { background: var(--primary); color: #000; }
.carousel-content { display: flex; gap: 20px; text-align: left; }
.member-img { flex: 1; min-width: 250px; display: flex; align-items: center; }
.member-img img { width: 100%; border-radius: 10px; border: 1px solid var(--border); }
.member-img .placeholder-icon { width: 100%; height: 300px; background-color: #2A3645; border-radius: 15px; display: flex; align-items: center; justify-content: center; color: #555; font-size: 4rem; }

/* ===== Stats & Chart ===== */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-bottom: 40px; }
.stat-card { background: linear-gradient(145deg, #131923, #0C1015); border: 1px solid var(--border); border-radius: 15px; padding: 25px; text-align: center; transition: 0.3s; }
.stat-card:hover { transform: translateY(-5px); border-color: var(--primary); }
.stat-value { font-size: 2.5rem; font-weight: bold; color: var(--primary); }
.stat-label { color: var(--text-gray); margin-top: 10px; }
.chart-container { max-width: 800px; margin: auto; background: var(--bg-card); padding: 20px; border-radius: 15px; border: 1px solid var(--border); }

/* ===== CTA ===== */
.cta-container { background: linear-gradient(145deg, rgba(0, 210, 255, 0.13), #131923); border: 2px solid var(--primary); border-radius: 20px; padding: 40px; text-align: center; margin: 40px auto; max-width: 800px; }
.cta-title { font-size: 2.5rem; color: var(--text-light); font-weight: bold; margin-bottom: 15px; }
.cta-text { font-size: 1.2rem; color: var(--text-gray); margin-bottom: 30px; }

/* ===== Features & Tabs ===== */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; margin-bottom: 60px; }
.feature-card { background: linear-gradient(145deg, #131923, #0C1015); border: 1px solid var(--border); border-radius: 15px; padding: 25px; text-align: center; transition: 0.3s; }
.feature-card:hover { transform: translateY(-5px); border-color: var(--primary); }
.feature-icon { font-size: 3rem; margin-bottom: 15px; }
.feature-title { color: var(--text-light); font-size: 1.3rem; font-weight: bold; margin-bottom: 10px; }
.feature-desc { color: var(--text-gray); font-size: 0.95rem; line-height: 1.6; }

.tabs-container { margin-top: 20px; text-align: left; }
.tab-buttons { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-bottom: 20px; }
.tab-btn { background: var(--bg-card); color: var(--text-gray); border: 1px solid var(--border); padding: 10px 20px; cursor: pointer; border-radius: 8px; transition: 0.3s; font-weight: 600; }
.tab-btn.active { background: var(--primary); color: #000; border-color: var(--primary); }
.tab-content { display: none; }
.tab-content.active { display: block; }

.info-card { background: rgba(26, 32, 44, 0.5); border: 1px solid var(--border); border-radius: 15px; padding: 30px; text-align: left; margin-bottom: 20px; }
.info-title { color: var(--primary); font-size: 1.5rem; font-weight: bold; margin-bottom: 15px; border-bottom: 1px solid var(--border); padding-bottom: 10px; }
.info-desc { color: var(--text-gray); line-height: 1.8; }
.info-desc li { margin-bottom: 10px; }
.info-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.info-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.tech-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.tech-card { background: linear-gradient(145deg, #131923, #0C1015); border: 1px solid var(--border); border-radius: 15px; padding: 20px; }
.tech-card:hover { border-color: var(--primary); }
.tech-title { color: var(--text-light); font-size: 1.2rem; font-weight: bold; margin-bottom: 10px; border-bottom: 1px solid #333; padding-bottom: 5px; }

.glossary-card { background: rgba(0, 210, 255, 0.05); border-left: 3px solid var(--primary); padding: 15px; border-radius: 5px; margin-bottom: 15px; }
.glossary-term { color: var(--primary); font-weight: bold; font-size: 1.1rem; }

/* ===== FAQ ===== */
.faq-item { max-width: 800px; margin: 0 auto 15px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; text-align: left; }
.faq-item details { padding: 20px; cursor: pointer; }
.faq-item summary { font-weight: 600; color: var(--text-light); }
.faq-item p { margin-top: 15px; color: var(--text-gray); line-height: 1.6; }

/* ===== Footer ===== */
.footer { background: #02050A; border-top: 2px solid var(--primary); padding: 60px 20px 20px; }
.footer-container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 30px; margin-bottom: 40px; }
.footer-section { flex: 1; min-width: 250px; text-align: left; }
.footer-title { color: var(--primary); font-size: 1.2rem; font-weight: bold; margin-bottom: 15px; border-bottom: 1px solid var(--border); padding-bottom: 8px; }
.footer-text { color: var(--text-gray); font-size: 0.95rem; line-height: 1.8; }
.footer-text a { color: var(--text-gray); transition: 0.3s; }
.footer-text a:hover { color: var(--primary); }
.social-links-container { display: flex; flex-direction: column; gap: 10px; margin-top: 10px; }
.social-btn { display: inline-block; padding: 10px 15px; border: 1px solid var(--border); border-radius: 8px; color: var(--text-gray); font-weight: 500; transition: 0.3s; background: var(--bg-card); }
.social-btn:hover { transform: translateY(-3px); }
.social-btn.telegram-bot:hover { background: #0088cc; color: white; border-color: #0088cc; }
.social-btn.telegram-channel:hover { background: #2AABEE; color: white; border-color: #2AABEE; }
.social-btn.facebook:hover { background: #1877F2; color: white; border-color: #1877F2; }
.copyright-text { text-align: center; color: #555; font-size: 0.85rem; margin-top: 20px; padding-top: 15px; border-top: 1px solid #222; }

/* ===== Mobile Responsive (مُحسّن) ===== */
@media (max-width: 768px) {
    .nav-menu { display: none; }
    .hamburger { display: flex; }
    
    /* تصغير العناوين الرئيسية عشان متطلعش برا الشاشة */
    .main-title { font-size: 3.5rem; }
    .sub-title-name { font-size: 1.1rem; margin: 10px 0 15px; }
    .slogan { font-size: 1.1rem; padding: 10px 0; }
    
    /* تقليل المسافات الرأسية عشان اليوزر ميعملش Scroll كتير */
    .section { padding: 50px 15px; }
    .header-title { font-size: 2rem; }
    .vision-section { padding: 20px 15px; }
    
    /* ترصيص الكروت تحت بعض */
    .about-wrapper, .supervisor-card, .carousel-content { flex-direction: column; }
    .supervisor-card img { width: 100%; min-width: 100%; height: 300px; object-fit: cover; }
    .info-grid-2, .info-grid-3, .tech-grid { grid-template-columns: 1fr; }
    
    /* تصغير أزرار التبويبات والـ Carousel عشان تظبط على الموبايل */
    .tab-buttons { gap: 5px; }
    .tab-btn { padding: 8px 12px; font-size: 0.9rem; }
    
    .carousel-btns { flex-wrap: wrap; justify-content: center; gap: 10px; }
    .carousel-btns button { padding: 8px 15px; font-size: 0.9rem; }
    #profile-count { width: 100%; order: -1; margin-bottom: 10px; } /* تخلي رقم الـ Profile فوق الأزرار */
    
    /* تصغير حجم الرسم البياني للموبايل */
    .chart-container { padding: 10px; }
}