/*PAGE Programmes*/

/* Styles de la navbar */
:root {
            --primary-color: #1a4f8b;
            --secondary-color: #f8b739;
            --accent-color: #e63946;
            --light-color: #f8f9fa;
            --dark-color: #343a40;
        }
        .navbar {
            background: linear-gradient(135deg, var(--primary-color) 0%, #2c6cb0 100%) !important;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
            padding: 0.8rem 1rem;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
        }
        
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: white !important;
            display: flex;
            align-items: center;
        }
        
        .navbar-brand i {
            color: var(--secondary-color);
            font-size: 1.8rem;
            margin-right: 0.5rem;
        }
        
        .nav-link {
            color: rgba(255, 255, 255, 0.85) !important;
            font-weight: 500;
            padding: 0.8rem 1rem !important;
            margin: 0 0.2rem;
            border-radius: 4px;
            transition: all 0.3s ease;
            position: relative;
        }
        
        .nav-link:hover, 
        .nav-link:focus {
            color: white !important;
            background-color: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }
        
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--secondary-color);
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }
        
        .nav-link:hover::after {
            width: 70%;
        }
        
        .nav-link.active {
            color: white !important;
            background-color: rgba(255, 255, 255, 0.15);
        }
        
        .nav-link.active::after {
            width: 70%;
            background: var(--secondary-color);
        }
        
        .navbar-toggler {
            border: none;
            color: white !important;
            padding: 0.5rem;
        }
        
        .navbar-toggler:focus {
            box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.5);
        }
        
        /* Media queries pour le responsive */
        @media (max-width: 991px) {
            .navbar-collapse {
                background-color: var(--primary-color);
                padding: 1rem;
                border-radius: 0 0 10px 10px;
                box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
                margin-top: 0.5rem;
            }
            
            .nav-link {
                padding: 0.7rem 1rem !important;
                margin: 0.2rem 0;
                text-align: center;
            }
        }
.banner-programmes {
  background: url('images/abu.jpg') center/cover no-repeat;
  height: 60vh; /* prend toute la hauteur de l’écran */
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
}

.banner-programmes .overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4); /* rend le texte lisible */
}

.banner-programmes .content {
  position: relative;
  z-index: 1;
}

.banner-programmes h1 {
  font-size: 3rem;
  font-weight: bold;
}

/* Responsive */
@media (max-width: 768px) {
  .banner-programmes {
    height: 50vh; /* réduit un peu sur mobile */
    background-attachment: scroll; /* éviter bug sur certains mobiles */
  }
  .banner-programmes h1 {
    font-size: 2rem;
  }
}

/* ================== INTRODUCTION ================== */
        .programs-intro {
            padding: 5rem 0;
            background: linear-gradient(135deg, #ffffff 0%, #f0f8ff 100%);
        }
        
        .programs-intro h2 {
            color: var(--primary-color);
            font-weight: 800;
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
        }
        
        .programs-intro .lead {
            font-size: 1.3rem;
            color: #495057;
            max-width: 800px;
            margin: 0 auto;
        }
        
        /* ================== PROGRAMMES ACADÉMIQUES ================== */
        .programs-section {
            padding: 5rem 0;
            background: white;
        }
        
        .programs-section h2 {
            color: var(--primary-color);
            font-weight: 800;
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }
        
        .programs-section .text-muted {
            font-size: 1.2rem;
        }
        
        /* Cards académiques améliorées */
        .program-card {
            background: #fff;
            padding: 2.5rem 1.5rem;
            border-radius: 20px;
            text-align: center;
            transition: all 0.4s ease;
            border: 2px solid transparent;
            height: 100%;
            box-shadow: 0 5px 20px rgba(0,0,0,0.08);
            position: relative;
            overflow: hidden;
        }
        
        .program-card:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            transform: scaleX(0);
            transition: transform 0.4s ease;
        }
        
        .program-card:hover {
            transform: translateY(-15px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.15);
            border-color: var(--primary-color);
        }
        
        .program-card:hover:before {
            transform: scaleX(1);
        }
        
        .program-icon {
            font-size: 3.5rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            display: inline-block;
            padding: 1rem;
            border-radius: 50%;
            background: rgba(26, 79, 139, 0.1);
            transition: all 0.4s ease;
        }
        
        .program-card:hover .program-icon {
            background: var(--primary-color);
            color: white;
            transform: scale(1.1) rotate(5deg);
        }
        
        .program-card h5 {
            color: var(--primary-color);
            font-weight: 700;
            font-size: 1.4rem;
            margin-bottom: 1rem;
        }
        
        .program-card p {
            color: #495057;
            font-size: 1.05rem;
        }
        
        /* ================== PROGRAMMES EXTRA-ACADÉMIQUES ================== */
        .programs-extra {
            padding: 5rem 0;
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
        }
        
        .programs-extra h2 {
            color: var(--primary-color);
            font-weight: 800;
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }
        
        /* Cards extra améliorées */
        .extra-card {
            background: #fff;
            padding: 0;
            border-radius: 20px;
            text-align: center;
            transition: all 0.4s ease;
            border: 2px solid transparent;
            height: 100%;
            box-shadow: 0 5px 20px rgba(0,0,0,0.08);
            overflow: hidden;
        }
        
        .extra-card:hover {
            transform: translateY(-15px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.15);
            border-color: var(--secondary-color);
        }
        
        .extra-card img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            transition: all 0.4s ease;
        }
        
        .extra-card:hover img {
            transform: scale(1.05);
        }
        
        .extra-card-content {
            padding: 2rem 1.5rem;
        }
        
        .extra-card h5 {
            color: var(--primary-color);
            font-weight: 700;
            font-size: 1.4rem;
            margin-bottom: 1rem;
        }
        
        .extra-card p {
            color: #495057;
            font-size: 1.05rem;
        }
        
        /* ================== CTA ================== */
        .cta-programs {
            background: linear-gradient(135deg, var(--primary-color) 0%, #2c6cb0 100%);
            position: relative;
            padding: 6rem 2rem;
            text-align: center;
            overflow: hidden;
        }
        
        .cta-programs:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('https://images.unsplash.com/photo-1523050854058-8df90110c9f1?ixlib=rb-4.0.1&auto=format&fit=crop&w=1350&q=80') center/cover no-repeat;
            opacity: 0.1;
        }
        
        .cta-programs .content {
            position: relative;
            z-index: 2;
        }
        
        .cta-programs h2 {
            font-weight: 800;
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            text-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        
        .cta-programs .lead {
            font-size: 1.3rem;
            margin-bottom: 2rem;
            opacity: 0.95;
        }
        
        .cta-programs .btn {
            background: var(--secondary-color);
            color: var(--dark-color);
            border: none;
            padding: 1rem 2.5rem;
            font-weight: 700;
            font-size: 1.2rem;
            border-radius: 50px;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        
        .cta-programs .btn:hover {
            background: #ffc857;
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.3);
        }
        
        /* Responsive */
        @media (max-width: 992px) {
            .programs-intro h2, .programs-section h2, .programs-extra h2, .cta-programs h2 {
                font-size: 2.2rem;
            }
            
            .programs-intro .lead, .cta-programs .lead {
                font-size: 1.2rem;
            }
        }
        
        @media (max-width: 768px) {
            .programs-intro, .programs-section, .programs-extra, .cta-programs {
                padding: 3rem 1rem;
            }
            
            .programs-intro h2, .programs-section h2, .programs-extra h2, .cta-programs h2 {
                font-size: 2rem;
            }
            
            .program-card, .extra-card {
                margin-bottom: 2rem;
            }
            
            .cta-programs {
                padding: 4rem 1rem;
            }
        }
        
        @media (max-width: 576px) {
            .programs-intro h2, .programs-section h2, .programs-extra h2, .cta-programs h2 {
                font-size: 1.8rem;
            }
            
            .programs-intro .lead, .cta-programs .lead {
                font-size: 1.1rem;
            }
            
            .program-card {
                padding: 2rem 1rem;
            }
            
            .program-icon {
                font-size: 3rem;
            }
        }



#backToTop {
  position: fixed;
  bottom: 25px;
  right: 25px;
  z-index: 1000;
  background: #0362c5;
  color: #fff;
  border: none;
  padding: 15px 18px;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
  display: none; /* caché au début */
  transition: background 0.3s ease, transform 0.3s ease;
}

#backToTop:hover {
  background: #024a94;
  transform: scale(1.1);
}

footer {
    background: #053a74;
    color: #ffffff;
    padding: 60px 0 30px;
    font-family: 'Poppins', sans-serif;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: "";
    position: absolute;
    top: -50px;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(45deg, #FFA500, #FFD700);
    transform: rotate(-2deg);
    z-index: 0;
}

footer .container {
    position: relative;
    z-index: 1;
}

footer h4 {
    color: #FFD700;
    font-size: 1.4em;
    margin-bottom: 25px;
    padding-bottom: 15px;
    position: relative;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

footer h4::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, #FFD700, transparent);
}

footer p {
    color: rgba(255,255,255,0.8);
    line-height: 1.8;
    margin-bottom: 15px;
    font-weight: 300;
}

footer button {
    background: linear-gradient(45deg, #FFA500, #FFD700);
    color: #053a74;
    border: none;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(255,215,0,0.3);
}

footer button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255,215,0,0.5);
}

.social-icons a {
    display: inline-block;
    color: #fff;
    padding: 10px 20px;
    margin: 8px 0;
    border-radius: 50px;
    background: rgba(255,255,255,0.1);
    transition: all 0.3s ease;
    width: 100%;
    max-width: 200px;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.social-icons a::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: 0.5s;
}

.social-icons a:hover::before {
    left: 100%;
}

.social-icons a:hover {
    background: rgba(255,255,255,0.15);
    transform: translateX(10px);
}

.social-icons i {
    margin-right: 10px;
    font-size: 1.2em;
    vertical-align: middle;
}

footer a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: color 0.3s ease;
    position: relative;
}

footer a:hover {
    color: #FFD700;
}

footer a::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: #FFD700;
    transition: width 0.3s ease;
}

footer a:hover::after {
    width: 100%;
}

.c {
    text-align: center;
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid rgba(255,215,0,0.2);
    color: rgba(255,255,255,0.6);
    font-size: 0.9em;
    letter-spacing: 1px;
}

/* Responsive */
@media (max-width: 768px) {
    footer::before {
        top: -30px;
        height: 60px;
    }
    
    footer .col-md-3 {
        margin-bottom: 40px;
        text-align: center;
    }
    
    footer h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .social-icons a {
        max-width: 250px;
        margin: 8px auto;
    }
}