/* Navbar Modern & Dynamic - Professional Style */

.navbar {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: 'Inter', 'Segoe UI', sans-serif;
    padding: 1rem 2rem;
    position: fixed;
    width: 100%;
    z-index: 1030;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar:hover {
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.15);
}

/* Container centré */
.navbar .container,
.navbar .container-fluid {
    display: flex;
    justify-content: center;
    align-items: center;
}

.navbar .navbar-brand {
    color: #ffffff !important;
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
    background: linear-gradient(45deg, #00d4ff, #0099ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar .navbar-brand:hover {
    transform: translateY(-2px);
    filter: drop-shadow(0 4px 8px rgba(0, 212, 255, 0.4));
}

/* Navigation centrée */
.navbar-collapse {
    justify-content: center;
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.navbar .nav-link {
    color: #e8e8e8 !important;
    font-weight: 500;
    font-size: 0.95rem;
    text-transform: capitalize;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    padding: 0.5rem 1rem !important;
    letter-spacing: 0.5px;
}

.navbar .nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #00d4ff, #0099ff);
    border-radius: 2px;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar .nav-link:hover {
    color: #00d4ff !important;
    transform: translateY(-2px);
}

.navbar .nav-link:hover::before {
    width: 100%;
}

.navbar .nav-link.active {
    color: #00d4ff !important;
    font-weight: 600;
}

.navbar .nav-link.active::before {
    width: 100%;
}

/* Bouton moderne */
.navbar .btn-outline-danger {
    border: 2px solid #ff4757;
    color: #ff4757;
    font-weight: 600;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.navbar .btn-outline-danger::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: #ff4757;
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease;
    z-index: -1;
}

.navbar .btn-outline-danger:hover {
    color: #ffffff;
    border-color: #ff4757;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 71, 87, 0.3);
}

.navbar .btn-outline-danger:hover::before {
    width: 300px;
    height: 300px;
}

/* Dropdown moderne */
.navbar .dropdown-menu {
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    padding: 0.5rem;
    margin-top: 0.5rem;
}

.navbar .dropdown-menu.show {
    animation: dropdownSlide 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes dropdownSlide {
    0% {
        opacity: 0;
        transform: translateY(-20px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.navbar .dropdown-item {
    color: #e8e8e8;
    font-weight: 500;
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.navbar .dropdown-item:hover {
    background: linear-gradient(90deg, #00d4ff, #0099ff);
    color: #ffffff;
    transform: translateX(5px);
}

/* Toggler moderne */
.navbar .navbar-toggler {
    border: none;
    outline: none;
    padding: 0.5rem;
    position: relative;
}

.navbar .navbar-toggler:focus {
    box-shadow: none;
}

.navbar .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Effet de particules modernes */
.navbar::before,
.navbar::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    pointer-events: none;
    animation: float 8s ease-in-out infinite;
}

.navbar::before {
    background: #00d4ff;
    top: -150px;
    left: -100px;
}

.navbar::after {
    background: #0099ff;
    top: -150px;
    right: -100px;
    animation-delay: 4s;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) scale(1);
    }

    50% {
        transform: translateY(20px) scale(1.1);
    }
}

/* Responsive moderne */
@media (max-width: 991.98px) {
    .navbar {
        padding: 0.75rem 1rem;
    }

    .navbar-nav {
        gap: 0;
        text-align: center;
        padding: 1rem 0;
    }

    .navbar .nav-link {
        padding: 0.75rem 1rem !important;
    }

    .navbar .nav-link::before {
        left: 0;
        transform: translateX(0);
    }

    .navbar .navbar-brand {
        font-size: 1.5rem;
    }
}

/* Image sous navbar */
div[style*="margin: 70px 0 0 0"] img {
    border-radius: 0 0 20px 20px;
    box-shadow: 0 8px 32px rgba(0, 153, 255, 0.2);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

div[style*="margin: 70px 0 0 0"] img:hover {
    transform: scale(1.03) translateY(-5px);
    box-shadow: 0 12px 48px rgba(0, 153, 255, 0.3);
}

/* Effet de scroll */
.navbar.scrolled {
    padding: 0.5rem 2rem;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(20px);
}