/* Animations douces */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Classes d'animation */
.animate-fade-in {
    animation: fadeIn 0.6s ease forwards;
}

.animate-fade-up {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-fade-down {
    animation: fadeInDown 0.6s ease forwards;
}

.animate-slide-left {
    animation: slideInLeft 0.6s ease forwards;
}

.animate-slide-right {
    animation: slideInRight 0.6s ease forwards;
}

.animate-scale {
    animation: scaleIn 0.6s ease forwards;
}

/* Delais */
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

/* Reveal on scroll */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Hover effects */
.hover-lift {
    transition: transform 0.2s ease;
}

.hover-lift:hover {
    transform: translateY(-4px);
}

.hover-glow:hover {
    box-shadow: 0 0 20px var(--primary-glow);
}

.hover-scale:hover {
    transform: scale(1.02);
}

/* Loader */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.3s ease;
}

.loader-content {
    text-align: center;
}

.loader-logo {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--space-md);
}

.loader-progress {
    width: 200px;
    height: 2px;
    background: var(--medium-gray);
    position: relative;
    overflow: hidden;
}

.loader-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 30%;
    background: var(--accent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { left: -30%; }
    100% { left: 100%; }
}

/* Form response */
.form-response {
    margin-top: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
}

.form-response.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-response.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Image responsive */
.img-responsive {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
}

.text-center {
    text-align: center;
}

.bg-light {
    background: var(--off-white);
}

/* Mobile menu */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: var(--text-xl);
    color: var(--primary);
    cursor: pointer;
    padding: var(--space-xs);
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-wrapper {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        transition: left 0.3s ease;
        overflow-y: auto;
        padding: var(--space-lg);
    }
    
    .nav-wrapper.active {
        left: 0;
    }
    
    .nav-menu {
        display: flex;
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        padding-left: var(--space-lg);
        display: none;
    }
    
    .dropdown.active .dropdown-menu {
        display: block;
    }
}