body {
    font-family: 'Cairo', sans-serif;
    background-color: #f8fafc;
    color: #0f172a;
    scroll-behavior: smooth;
}

.glass-panel {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

.dark-glass {
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-gradient {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 0px 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 100;
    transition: transform 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

[lang="fr"] body,
[lang="en"] body {
    font-family: 'Inter', sans-serif;
}

.nav-link {
    position: relative;
    transition: all 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: #3b82f6;
    transition: all 0.3s ease;
    transform: translateX(-50%);
    border-radius: 2px;
}

.nav-link-active {
    color: #3b82f6 !important;
}

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

.nav-contact-active {
    background-color: #3b82f6 !important;
    transform: scale(1.05);
    box-shadow: 0 10px 15px -3px rgba(59, 130, 246, 0.4);
}

/* ===== HAMBURGER MENU ===== */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    cursor: pointer;
    gap: 5px;
    background: none;
    border: none;
    padding: 0;
    z-index: 200;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: #0f172a;
    border-radius: 2px;
    transition: all 0.35s cubic-bezier(0.23, 1, 0.32, 1);
}

.hamburger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.hamburger.open span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
.hamburger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ===== MOBILE NAV OVERLAY ===== */
.mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    z-index: 150;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.mobile-nav.open {
    opacity: 1;
    pointer-events: all;
}

.mobile-nav a {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0f172a;
    text-decoration: none;
    transition: color 0.2s;
}

.mobile-nav a:hover {
    color: #3b82f6;
}

.mobile-nav .mobile-contact-btn {
    padding: 0.75rem 2.5rem;
    background-color: #0f172a;
    color: white !important;
    border-radius: 9999px;
    font-size: 1rem !important;
}

.mobile-nav select {
    font-size: 1rem;
    font-weight: 600;
    color: #64748b;
    background: transparent;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 0.4rem 0.8rem;
    cursor: pointer;
    outline: none;
}

/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 768px) {
    /* Hide desktop nav items */
    .desktop-nav {
        display: none !important;
    }

    /* Show hamburger */
    .hamburger {
        display: flex;
    }

    /* WhatsApp float smaller on mobile */
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 16px;
    }

    /* Hero text centering */
    #home .max-w-7xl > div:first-child {
        text-align: center;
    }

    #home .flex.flex-wrap {
        justify-content: center;
    }
}

@media (max-width: 640px) {
    /* Booking contact section stacked */
    #contact .grid.md\:grid-cols-2 {
        grid-template-columns: 1fr !important;
        gap: 1.5rem;
    }

    /* Services grid stacked */
    #services .grid.md\:grid-cols-2 {
        grid-template-columns: 1fr !important;
    }

    /* About section padding */
    #about .max-w-7xl {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}