body { 
    font-family: 'Inter', sans-serif; 
    overflow-x: hidden; 
    background-color: #020617; /* Slate 950 */
    background-image: linear-gradient(rgba(30, 41, 59, 0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 41, 59, 0.3) 1px, transparent 1px);
    background-size: 40px 40px; /* Effet papier millimétré technique */
}

        /* Masque pour adoucir la grille sur les bords */
        .bg-grid-mask {
            mask-image: radial-gradient(circle at center, black 40%, transparent 100%);
            -webkit-mask-image: radial-gradient(circle at center, black 40%, transparent 100%);
        }

        .gradient-text {
            background: linear-gradient(to right, #4ade80, #3b82f6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-size: 200% auto;
            animation: textShine 5s linear infinite;
        }
        .gradient-border {
            background: linear-gradient(135deg, rgba(34,197,94,0.15), rgba(59,130,246,0.15));
            border: 1px solid transparent;
            background-clip: padding-box;
        }
        
        /* ── TEXT SHIMMER ANIMATION ── */
        @keyframes textShine {
            to { background-position: 200% center; }
        }

        /* ── INFINITE MARQUEE ── */
        .marquee-container {
            mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
            -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
        }
        .marquee-content {
            display: flex;
            gap: 4rem;
            width: max-content;
            animation: marquee 40s linear infinite;
            will-change: transform;
        }
        .marquee-content:hover {
            animation-play-state: paused; /* Pause au survol */
        }
        @keyframes marquee {
            from { transform: translateX(0); }
            to { transform: translateX(-50%); }
        }

        /* ── FLOATING ANIMATION ── */
        .animate-float { animation: float 6s ease-in-out infinite; }
        .animate-float-delay-1 { animation: float 6s ease-in-out 1s infinite; }
        .animate-float-delay-2 { animation: float 6s ease-in-out 2s infinite; }
        
        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-15px); }
        }

        .animate-pulse-slow {
            animation: pulseSlow 8s cubic-bezier(0.4, 0, 0.6, 1) infinite;
        }
        @keyframes pulseSlow {
            0%, 100% { opacity: 0.4; transform: scale(1) translateX(-50%); }
            50% { opacity: 0.6; transform: scale(1.1) translateX(-50%); }
        }
        
        /* BENTO GRID CARD */
        .spotlight-card {
            position: relative;
            background: rgba(15, 23, 42, 0.6); /* Slate 900 avec transparence */
            backdrop-filter: blur(12px);
            border: 1px solid rgba(51, 65, 85, 0.5);
            transition: transform 0.3s ease, border-color 0.3s ease;
            overflow: hidden;
            --mouse-x: 50%;
            --mouse-y: 50%;
        }
        .spotlight-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: radial-gradient(600px circle at var(--mouse-x) var(--mouse-y), rgba(255,255,255,0.08), transparent 40%);
            opacity: 0;
            transition: opacity 0.5s ease;
            pointer-events: none;
            z-index: 1;
        }
        .spotlight-card:hover::before { opacity: 1; }
        .spotlight-card:hover { transform: translateY(-2px); border-color: rgba(74, 222, 128, 0.3); }

        /* ── APPLE STYLE REVEAL ── */
        .reveal-on-scroll {
            opacity: 0;
            transform: translateY(60px) scale(0.94); /* Mouvement beaucoup plus grand */
            filter: blur(12px); /* Flou plus prononcé */
            transition: all 1.4s cubic-bezier(0.16, 1, 0.3, 1); /* Plus lent et majestueux */
            will-change: transform, opacity, filter, perspective;
        }

        .reveal-on-scroll.is-visible {
            opacity: 1;
            transform: translateY(0) scale(1);
            filter: blur(0);
        }

        /* Effet 3D spécifique pour l'image Hero */
        .hero-image-3d {
            transform: perspective(1000px) rotateX(10deg) translateY(40px) scale(0.9);
            opacity: 0;
            transition: all 1.6s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .hero-image-3d.is-visible {
            transform: perspective(1000px) rotateX(0deg) translateY(0) scale(1);
            opacity: 1;
        }
        /* Transition douce pour l'effet parallaxe souris après l'anim d'entrée */
        .hero-image-3d.is-visible img {
            transition: transform 0.1s ease-out; /* Très rapide pour suivre la souris */
            will-change: transform;
        }

        /* Staggered delays for children (grids, lists) */
        .stagger-parent .reveal-child {
            opacity: 0;
            transform: translateY(30px);
            transition: all 1s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .stagger-parent.is-visible .reveal-child {
            opacity: 1;
            transform: translateY(0);
        }
        /* Automatic delays for up to 6 items */
        .stagger-parent.is-visible .reveal-child:nth-child(1) { transition-delay: 0.1s; }
        .stagger-parent.is-visible .reveal-child:nth-child(2) { transition-delay: 0.2s; }
        .stagger-parent.is-visible .reveal-child:nth-child(3) { transition-delay: 0.3s; }
        .stagger-parent.is-visible .reveal-child:nth-child(4) { transition-delay: 0.4s; }
        .stagger-parent.is-visible .reveal-child:nth-child(5) { transition-delay: 0.5s; }
        .stagger-parent.is-visible .reveal-child:nth-child(6) { transition-delay: 0.6s; }

        /* ── FAQ ACCORDÉON ── */
        .faq-body { max-height: 0; overflow: hidden; transition: max-height 0.42s cubic-bezier(0.4,0,0.2,1); }
        .faq-body.open { max-height: 520px; }
        .faq-icon {
            display: inline-flex; align-items: center; justify-content: center;
            width: 28px; height: 28px; border-radius: 50%;
            border: 1.5px solid #334155; font-size: 18px;
            color: #94a3b8; transition: transform 0.35s ease, border-color 0.25s, color 0.25s;
            flex-shrink: 0;
        }
        .faq-item.is-open .faq-icon { transform: rotate(45deg); border-color: #22c55e; color: #22c55e; }

        /* ── RANGE SLIDERS ── */
        input[type="range"] {
            -webkit-appearance: none; appearance: none;
            width: 100%; height: 6px; border-radius: 9999px;
            background: #1e293b; outline: none; cursor: pointer;
        }
        input[type="range"]::-webkit-slider-thumb {
            -webkit-appearance: none; appearance: none;
            width: 22px; height: 22px; border-radius: 50%;
            background: #22c55e; cursor: pointer;
            box-shadow: 0 0 0 4px rgba(34,197,94,0.18);
            transition: box-shadow 0.2s ease;
        }
        input[type="range"]::-webkit-slider-thumb:hover { box-shadow: 0 0 0 8px rgba(34,197,94,0.15); }
        input[type="range"]::-moz-range-thumb { width: 22px; height: 22px; border-radius: 50%; background: #22c55e; cursor: pointer; border: none; }

        /* ── PRICING ── */
        .pricing-card { transition: transform 0.25s ease, box-shadow 0.25s ease; }
        .pricing-card:hover { transform: translateY(-4px); }

        /* ── DOWNLOAD DROPDOWN ── */
        #dl-dropdown {
            transform-origin: top center;
            transition: opacity 0.18s ease, transform 0.18s ease;
        }
        #dl-dropdown.hidden { opacity: 0; transform: scaleY(0.9); pointer-events: none; }
        #dl-dropdown:not(.hidden) { opacity: 1; transform: scaleY(1); }

        /* ── MOBILE MENU ── */
        #mobile-menu { transition: max-height 0.3s ease-out, opacity 0.3s ease; overflow: hidden; }
        #mobile-menu.closed { max-height: 0; opacity: 0; padding-top: 0; padding-bottom: 0; border: none; }
        #mobile-menu.open { max-height: 500px; opacity: 1; }

        /* PROSE STYLES FOR LEGAL PAGES */
        .prose h2 { font-size: 1.25rem; font-weight: 700; color: #f1f5f9; margin-top: 2.5rem; margin-bottom: 0.75rem; }
        .prose h3 { font-size: 1rem; font-weight: 600; color: #cbd5e1; margin-top: 1.5rem; margin-bottom: 0.5rem; }
        .prose p  { color: #94a3b8; line-height: 1.75; margin-bottom: 1rem; font-size: 0.9rem; }
        .prose ul { list-style: disc; padding-left: 1.5rem; color: #94a3b8; font-size: 0.9rem; margin-bottom: 1rem; }
        .prose ul li { margin-bottom: 0.4rem; line-height: 1.7; }
        .prose table { width: 100%; border-collapse: collapse; font-size: 0.875rem; margin-bottom: 1.5rem; }
        .prose table th { background: #1e293b; color: #cbd5e1; font-weight: 600; text-align: left; padding: 0.75rem 1rem; border: 1px solid #334155; }
        .prose table td { color: #94a3b8; padding: 0.65rem 1rem; border: 1px solid #1e293b; vertical-align: top; }
        .prose table tr:nth-child(odd) td { background: #0f172a; }
        .prose table tr:nth-child(even) td { background: #111827; }
        .prose strong { color: #e2e8f0; }
        .prose a { color: #4ade80; text-decoration: underline; }
        .prose a:hover { color: #86efac; }