/* ===== NAVIGATION RESPONSIVE - MENU BURGER ===== */
/* Version: 2.0 - Cache-busting activé */

/* Variables CSS */
:root {
    --color-bg: #0a0a0a;
    --color-surface: #111111;
    --color-text: #ffffff;
    --color-text-muted: #888888;
    --color-accent: #ff6b6b;
    --color-border: #222222;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --border-radius: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Header commun - Harmonisé */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 2rem;
}

.main-header nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0;
}

.logo {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text);
    text-decoration: none;
    transition: var(--transition);
}

.logo:hover {
    color: var(--color-accent);
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-text);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

/* Bouton Menu Mobile */
.nav__menu-toggle {
    display: none;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-text);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0;
    border-radius: 50%;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    backdrop-filter: blur(10px);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.nav__menu-toggle::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(255, 107, 107, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: -1;
}

.nav__menu-toggle:hover {
    background: rgba(255, 107, 107, 0.2);
    border-color: rgba(255, 107, 107, 0.4);
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.3);
}

.nav__menu-toggle:hover::before {
    width: 100px;
    height: 100px;
}

.nav__menu-toggle:active {
    transform: scale(0.95) rotate(-2deg);
    transition: all 0.1s ease;
}

/* Animation liquide pour l'ouverture du menu */
.nav__menu-toggle.menu-opening {
    animation: liquidBounce 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes liquidBounce {
    0% {
        transform: scale(1) rotate(0deg);
    }
    25% {
        transform: scale(1.3) rotate(10deg);
    }
    50% {
        transform: scale(0.8) rotate(-5deg);
    }
    75% {
        transform: scale(1.1) rotate(3deg);
    }
    100% {
        transform: scale(1) rotate(0deg);
    }
}


/* Menu Mobile */
.nav__mobile {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.98);
    backdrop-filter: blur(40px) saturate(180%);
    z-index: 99;
    display: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    height: 100vh;
}

/* Blur général du background quand le menu est actif */
body.menu-open {
    overflow: hidden;
}

body.menu-open::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(60px) saturate(200%);
    z-index: 98;
    pointer-events: none;
}

.nav__mobile.active {
    display: flex;
    opacity: 1;
    visibility: visible;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.nav__mobile-content {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    width: 100%;
    height: 100%;
    padding: var(--spacing-xl);
    background: radial-gradient(circle at center, rgba(255, 107, 107, 0.05) 0%, transparent 70%);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    animation: fadeInContent 0.3s ease 0.1s forwards;
}

@keyframes fadeInContent {
    to {
        opacity: 1;
    }
}

.nav__mobile-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    text-align: center;
}

.nav__mobile-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--color-text);
    text-decoration: none;
    font-size: 1.4rem;
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    opacity: 0;
    transform: translateY(20px);
    animation: slideInUp 0.4s ease forwards;
}

.nav__mobile-link:nth-child(1) { animation-delay: 0.1s; }
.nav__mobile-link:nth-child(2) { animation-delay: 0.2s; }
.nav__mobile-link:nth-child(3) { animation-delay: 0.3s; }
.nav__mobile-link:nth-child(4) { animation-delay: 0.4s; }

@keyframes slideInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.nav__mobile-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 107, 107, 0.1), transparent);
    transition: left 0.5s ease;
}

.nav__mobile-link:hover::before {
    left: 100%;
}

.nav__mobile-link:hover,
.nav__mobile-link--active {
    color: var(--color-text);
    background: rgba(255, 107, 107, 0.2);
    border-color: rgba(255, 107, 107, 0.3);
    transform: translateX(8px);
    box-shadow: 0 8px 32px rgba(255, 107, 107, 0.2);
}

.nav__mobile-icon {
    font-size: 1.8rem;
    transition: var(--transition);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.nav__mobile-link:hover .nav__mobile-icon {
    transform: scale(1.2);
    filter: drop-shadow(0 4px 8px rgba(255, 107, 107, 0.3));
}

.nav__mobile-close-btn {
    position: fixed;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-text);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    border-radius: 50%;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: 102;
    backdrop-filter: blur(10px);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.8) rotate(-180deg);
    animation: bounceInClose 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55) 0.2s forwards;
    overflow: hidden;
}

.nav__mobile-close-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(255, 107, 107, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: -1;
}

@keyframes bounceInClose {
    0% {
        opacity: 0;
        transform: scale(0.3) rotate(-180deg);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.2) rotate(-90deg);
    }
    70% {
        transform: scale(0.9) rotate(-10deg);
    }
    100% {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
}

.nav__mobile-close-btn:hover {
    background: rgba(255, 107, 107, 0.2);
    border-color: rgba(255, 107, 107, 0.4);
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.3);
}

.nav__mobile-close-btn:hover::before {
    width: 100px;
    height: 100px;
}

.nav__mobile-close-btn:active {
    transform: scale(0.95) rotate(-2deg);
    transition: all 0.1s ease;
}

/* Responsive */
@media (max-width: 768px) {
    .main-header nav {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .nav-links {
        display: none;
    }
    
    .nav__menu-toggle {
        display: flex !important;
    }
    
    
    .nav__mobile {
        display: none;
    }
    
    .nav__mobile.active {
        display: flex !important;
    }
}

/* Animations */
@keyframes slideInFromRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.nav__mobile-link {
    animation: slideInFromRight 0.3s ease forwards;
}

.nav__mobile-link:nth-child(1) { animation-delay: 0.1s; }
.nav__mobile-link:nth-child(2) { animation-delay: 0.2s; }
.nav__mobile-link:nth-child(3) { animation-delay: 0.3s; }
.nav__mobile-link:nth-child(4) { animation-delay: 0.4s; }