:root {
    /* Palette Principale */
    --yellow: #e9cc38;
    --green: #008766;
    --green-dark: #006f52;

    /* Neutres Premium */
    --dark: #141414;
    --dark-card: #1f1f1f;
    --dark-secondary: #2d2d2d;
    --light: #ffffff;
    --light-gray: #f8f9fa;
    --text-gray: #6b7280;
    --border-gray: #e5e7eb;
    --border-dark: #333333;

    /* Typographie */
    --font-display: 'Montserrat', sans-serif;
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Open Sans', sans-serif;

    /* Transitions */
    --transition-fast: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-slow: 0.6s cubic-bezier(0.19, 1, 0.22, 1);

    /* Responsive */
    --container-width: 1200px;
    --tribal-red: #A8332A;
}

/* HEADER STYLES */
#main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: background-color var(--transition-fast), backdrop-filter var(--transition-fast), box-shadow var(--transition-fast);
}

#main-header.header-scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05); /* Lighter shadow */
}

/* Dark mode compatibility for inner pages */
body.bg-dark #main-header.header-scrolled,
body.bg-brand-dark #main-header.header-scrolled {
    background-color: rgba(20, 20, 20, 0.95);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

#header-logo img {
    height: 3.5rem; /* Slightly smaller for consistency */
    transition: transform var(--transition-fast);
}

#header-logo:hover img {
    transform: scale(1.05);
}

/* Navigation Desktop */
#desktop-nav {
    display: none;
}

@media (min-width: 992px) {
    #desktop-nav {
        display: flex;
        align-items: center;
        gap: 1.5rem;
    }
}

.header-link {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    color: var(--dark-secondary);
    text-decoration: none;
    position: relative;
    padding: 0.5rem 0.25rem;
}

/* Dark mode text adjustment */
body.bg-dark .header-link,
body.bg-brand-dark .header-link {
    color: #e5e5e5;
}

.header-link:hover {
    color: var(--green);
}

.header-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--green);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-fast);
}

.header-link:hover::after {
    transform: scaleX(1);
}

/* CTA Buttons */
.cta-button {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    text-decoration: none;
    padding: 0.6rem 1.25rem;
    border-radius: 50px;
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 4px 4px 0px var(--dark);
    transform: translate(-2px, -2px);
    border: 2px solid var(--dark);
}

/* Dark mode CTA shadow fix */
body.bg-dark .cta-button,
body.bg-brand-dark .cta-button {
    box-shadow: 4px 4px 0px #ffffff;
    border-color: #ffffff;
    color: var(--dark);
}

.cta-button.primary {
    background: var(--green);
    color: var(--light);
    border-color: var(--green-dark);
}
body.bg-dark .cta-button.primary,
body.bg-brand-dark .cta-button.primary  {
    border-color: var(--light);
     color: var(--light);
}

.cta-button.primary:hover {
    background: var(--green-dark);
    transform: translate(0, 0);
    box-shadow: 1px 1px 0px var(--dark);
}

/* Mobile Menu Button */
#mobile-menu-button {
    display: block;
    font-size: 1.75rem;
    color: var(--dark);
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1002;
}

body.bg-dark #mobile-menu-button,
body.bg-brand-dark #mobile-menu-button {
    color: var(--light);
}

@media (min-width: 992px) {
    #mobile-menu-button {
        display: none;
    }
}

/* Mobile Menu Overlay */
#mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 80%;
    max-width: 350px;
    height: 100vh;
    background: var(--dark);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    z-index: 1001;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.77, 0, 0.175, 1);
    box-shadow: -10px 0 30px rgba(0,0,0,0.5);
}

#mobile-menu.open {
    transform: translateX(0);
}

#mobile-menu .header-link {
    color: var(--light);
    font-size: 1.5rem;
}

#mobile-menu .cta-button {
    background: var(--yellow);
    color: var(--dark);
    width: 80%;
}