/* ========================================
   NAVBAR MODERNE
======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 1rem 0;
    background: transparent;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: #e4e4e7;
    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 1.125rem;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: translateY(-2px);
}

.logo img {
    width: 40px;
    height: 40px;
    border-radius: 0.5rem;
    object-fit: cover;
}

.logo strong {
    font-weight: 700;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Menu */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    margin: 0;
    padding: 0;
}

.nav-link {
    padding: 0.625rem 1rem;
    text-decoration: none;
    color: #a1a1aa;
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
    position: relative;
}

.nav-link:hover {
    color: #e4e4e7;
    background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
    color: #3b82f6;
    background: rgba(59, 130, 246, 0.1);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 1rem;
    right: 1rem;
    height: 2px;
    background: linear-gradient(90deg, transparent, #3b82f6, transparent);
}

/* Toggle mobile */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 0.375rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.5rem;
    transition: background 0.2s ease;
}

.nav-toggle:hover {
    background: rgba(255, 255, 255, 0.05);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #e4e4e7;
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* État ouvert */
.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(20px);
        padding: 1.5rem;
        gap: 0.25rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        padding: 0.875rem 1rem;
        width: 100%;
    }

    .nav-toggle {
        display: flex;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 1rem;
    }
    
    .logo {
        font-size: 1rem;
    }
    
    .logo img {
        width: 36px;
        height: 36px;
    }
}