:root {
  color-scheme: light only;
}

/* Override any dark mode media queries */
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: light only;
  }
}

/* Header Principal */
.main-header {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 1000;
}

.header-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    min-height: 70px;
}

/* Logo Section */
.logo-section {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo {
    height: 50px;
    width: auto;
}

.brand-text h1 {
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    line-height: 1.2;
}

.brand-text span {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    font-weight: 400;
    display: block;
    margin-top: 2px;
}

/* Menu Desktop */
.desktop-menu {
    display: flex;
    align-items: center;
}

.menu-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 2rem;
    align-items: center;
}

.menu-list a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: all 0.3s ease;
    position: relative;
}

.menu-list a:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

.menu-list a.cta-button {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    font-weight: 600;
}

.menu-list a.cta-button:hover {
    background: white;
    color: #667eea;
    border-color: white;
}

/* Menu Hamburger */
.hamburger-menu {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    gap: 4px;
}

.hamburger-menu span {
    width: 25px;
    height: 3px;
    background: white;
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center;
}

.hamburger-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.hamburger-menu.active span:nth-child(2) {
    opacity: 0;
}

.hamburger-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Menu Mobile */
.mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.2);
  	border-radius: 0 0 16px 16px;
  	box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
  	backdrop-filter: blur(5px);
  	-webkit-backdrop-filter: blur(5px);
  	border: 1px solid rgba(255, 255, 255, 0.3);
}

.mobile-menu.active {
    display: block;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mobile-menu-list {
    list-style: none;
    margin: 0;
    padding: 1rem 0;
}

.mobile-menu-list li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-menu-list li:last-child {
    border-bottom: none;
}

.mobile-menu-list a {
    display: block;
    color: #1c2a68;
    text-decoration: none;
    padding: 0.5rem 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.mobile-menu-list a:hover {
    background: rgba(255, 255, 255, 0.1);
    padding-left: 2.5rem;
}

/* Header Knowledge (existant) */
.knowledge-header {
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.knowledge-header .header-content h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0 0 0.5rem 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.knowledge-header .header-content p {
    font-size: 1.2rem;
    margin: 0;
    opacity: 0.9;
}

/* Responsive Design */
@media (max-width: 768px) {
    .desktop-menu {
        display: none;
    }
    
    .hamburger-menu {
        display: flex;
    }
    
    .brand-text h1 {
        font-size: 1.2rem;
    }
    
    .brand-text span {
        font-size: 0.8rem;
    }
    
    .logo {
        height: 40px;
    }
    
    .knowledge-header .header-content h1 {
        font-size: 2rem;
    }
    
    .knowledge-header .header-content p {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .header-wrapper {
        padding: 0.75rem 0;
    }
    
    .logo-section {
        gap: 10px;
    }
    
    .brand-text h1 {
        font-size: 1.1rem;
    }
    
    .brand-text span {
        font-size: 0.75rem;
    }
    
    .logo {
        height: 35px;
    }
    
    .knowledge-header {
        padding: 1.5rem 0;
    }
    
    .knowledge-header .header-content h1 {
        font-size: 1.8rem;
    }
    
    .knowledge-header .header-content p {
        font-size: 0.9rem;
    }
}

/* Container pour assurer la cohérence */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (max-width: 768px) {
    .container {
        padding: 0 0.75rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.5rem;
    }
}