/**
 * CSS OPTIMISATIONS UX - DEVIS WALLONIE
 * Design moderne, animations fluides, micro-interactions
 * Mobile-first, performant, accessible
 */

/* ============================================
   VARIABLES CSS MODERNES
   ============================================ */
:root {
    /* Couleurs principales */
    --primary-color: #FF6B35;
    --primary-hover: #FF8C61;
    --primary-dark: #E55A2B;

    --secondary-color: #4ECDC4;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --info-color: #17a2b8;

    /* Couleurs neutres */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Ombres élégantes */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 400ms cubic-bezier(0.25, 0.46, 0.45, 0.94);

    /* Rayons de bordure */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Espacements */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
}

/* ============================================
   SECTION TÉMOIGNAGES - DESIGN MODERNE
   ============================================ */

.testimonials-section {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 50%, #f9fafb 100%);
    position: relative;
    overflow: hidden;
}

/* Décoration background subtile */
.testimonials-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 40%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(255, 107, 53, 0.03), transparent 70%);
    pointer-events: none;
}

.section-header-testimonials {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    animation: fadeInUp 0.6s ease-out;
}

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

.section-header-testimonials h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.rating-summary {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.stars-large {
    font-size: 2rem;
    letter-spacing: 0.25rem;
    filter: drop-shadow(0 2px 4px rgba(255, 193, 7, 0.3));
}

.rating-summary p {
    color: var(--gray-600);
    font-size: 1.125rem;
}

/* Grid témoignages responsive */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 350px), 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

/* Cards témoignages modernes */
.testimonial-card {
    background: #ffffff;
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-100);
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.6s ease-out backwards;
}

.testimonial-card:nth-child(1) { animation-delay: 0.1s; }
.testimonial-card:nth-child(2) { animation-delay: 0.2s; }
.testimonial-card:nth-child(3) { animation-delay: 0.3s; }
.testimonial-card:nth-child(4) { animation-delay: 0.4s; }
.testimonial-card:nth-child(5) { animation-delay: 0.5s; }
.testimonial-card:nth-child(6) { animation-delay: 0.6s; }

/* Accent coloré au survol */
.testimonial-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform var(--transition-smooth);
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--gray-200);
}

.testimonial-card:hover::before {
    transform: scaleX(1);
}

/* Header témoignage */
.testimonial-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    border: 3px solid #ffffff;
    transition: transform var(--transition-base);
}

.testimonial-card:hover .testimonial-avatar {
    transform: scale(1.1) rotate(5deg);
}

.testimonial-author {
    flex: 1;
}

.testimonial-author strong {
    display: block;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.testimonial-location {
    display: inline-block;
    font-size: 0.875rem;
    color: var(--gray-600);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--gray-50);
    border-radius: var(--radius-md);
}

.testimonial-rating {
    font-size: 1.25rem;
    letter-spacing: 0.125rem;
}

/* Quote styling */
.testimonial-quote {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--gray-700);
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding-left: var(--spacing-lg);
    border-left: 3px solid var(--primary-color);
}

/* Footer témoignage */
.testimonial-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-100);
    margin-bottom: var(--spacing-md);
}

.testimonial-service {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-color);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(255, 107, 53, 0.1);
    border-radius: var(--radius-full);
}

.testimonial-verified {
    font-size: 0.875rem;
    color: var(--success-color);
    font-weight: 500;
}

/* Badge économies */
.testimonial-savings {
    background: linear-gradient(135deg, #fff3cd 0%, #fff8e1 100%);
    border: 2px solid var(--warning-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    text-align: center;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--gray-800);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.testimonial-card:hover .testimonial-savings {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.testimonial-savings strong {
    color: var(--warning-color);
    font-size: 1.25rem;
    font-weight: 800;
}

/* Stats bar moderne */
.testimonials-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    animation: fadeInUp 0.8s ease-out;
}

.stat-item {
    text-align: center;
    color: #ffffff;
    padding: var(--spacing-md);
    position: relative;
}

.stat-item::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 60%;
    background: rgba(255, 255, 255, 0.2);
}

.stat-item:last-child::after {
    display: none;
}

.stat-number {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 900;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    animation: countUp 1s ease-out;
}

@keyframes countUp {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.8);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.stat-label {
    font-size: 1rem;
    opacity: 0.95;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================
   FORMULAIRE OPTIMISÉ - DESIGN MODERNE
   ============================================ */

.form-section-optimized {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(180deg, #ffffff 0%, #f9fafb 100%);
}

/* Social proof live avec animation */
.social-proof-live {
    background: linear-gradient(90deg, #fff3cd 0%, #fff8e1 100%);
    border: 2px solid var(--warning-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg) var(--spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    animation: slideInDown 0.6s ease-out;
}

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

.pulse-dot {
    width: 14px;
    height: 14px;
    background: var(--success-color);
    border-radius: var(--radius-full);
    box-shadow: 0 0 0 0 rgba(40, 167, 69, 0.7);
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(40, 167, 69, 0.7);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(40, 167, 69, 0);
    }
}

.social-proof-live span {
    font-size: 1rem;
    color: var(--gray-800);
    font-weight: 600;
}

.social-proof-live small {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-top: var(--spacing-xs);
}

/* Container formulaire */
.form-container-optimized {
    max-width: 800px;
    margin: 0 auto;
    background: #ffffff;
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-100);
    animation: fadeInUp 0.8s ease-out;
}

/* Grid formulaire */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

/* Form groups modernes */
.form-group {
    position: relative;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
    font-size: 0.9375rem;
}

.form-group label svg {
    width: 20px;
    height: 20px;
    color: var(--primary-color);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    color: var(--gray-900);
    background: #ffffff;
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.1);
    transform: translateY(-2px);
}

.form-group input::placeholder {
    color: var(--gray-400);
}

/* Bouton submit moderne */
.btn-submit-optimized {
    width: 100%;
    padding: var(--spacing-lg) var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: #ffffff;
    font-size: 1.125rem;
    font-weight: 700;
    border: none;
    border-radius: var(--radius-xl);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-submit-optimized::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-submit-optimized:hover::before {
    width: 300px;
    height: 300px;
}

.btn-submit-optimized:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-2xl);
}

.btn-submit-optimized:active {
    transform: translateY(-2px);
}

/* Garanties */
.form-guarantees {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg) 0;
    margin-bottom: var(--spacing-lg);
    border-top: 1px solid var(--gray-100);
    border-bottom: 1px solid var(--gray-100);
}

.form-guarantees span {
    font-size: 0.875rem;
    color: var(--success-color);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* FAQ rapide */
.form-faq-quick {
    margin-top: var(--spacing-xl);
}

.faq-toggle {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-weight: 600;
    color: var(--gray-700);
    cursor: pointer;
    transition: all var(--transition-base);
}

.faq-toggle:hover {
    background: var(--gray-100);
    border-color: var(--gray-300);
}

.faq-content {
    margin-top: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
}

.faq-content details {
    margin-bottom: var(--spacing-md);
}

.faq-content summary {
    font-weight: 600;
    color: var(--gray-800);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: background var(--transition-base);
}

.faq-content summary:hover {
    background: var(--gray-100);
}

.faq-content p {
    margin-top: var(--spacing-sm);
    padding-left: var(--spacing-lg);
    color: var(--gray-600);
    line-height: 1.6;
}

/* ============================================
   STICKY CTA - DESIGN MODERNE
   ============================================ */

.cta-sticky-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    padding: var(--spacing-lg) 0;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
    z-index: 9999;
    transform: translateY(100%);
    transition: transform var(--transition-smooth);
    backdrop-filter: blur(10px);
}

.cta-sticky-bar.show {
    transform: translateY(0);
    animation: slideInUp 0.4s ease-out;
}

@keyframes slideInUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

.cta-sticky-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.cta-sticky-text {
    color: #ffffff;
    flex: 1;
    min-width: 250px;
}

.cta-sticky-text strong {
    display: block;
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.cta-sticky-text span {
    font-size: 0.9375rem;
    opacity: 0.95;
}

#placesLeft {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    font-weight: 700;
    animation: pulse 2s ease-in-out infinite;
}

.btn-primary-sticky {
    padding: var(--spacing-md) var(--spacing-xl);
    background: #ffffff;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1rem;
    border-radius: var(--radius-xl);
    text-decoration: none;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary-sticky:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-xl);
    background: var(--gray-50);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
    :root {
        --spacing-2xl: 2rem;
        --spacing-xl: 1.5rem;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .testimonials-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .stat-item::after {
        display: none;
    }

    .stat-number {
        font-size: 2rem;
    }

    .form-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .form-container-optimized {
        padding: var(--spacing-lg);
        border-radius: var(--radius-xl);
    }

    .cta-sticky-content {
        flex-direction: column;
        text-align: center;
    }

    .cta-sticky-text {
        min-width: 100%;
    }

    .btn-primary-sticky {
        width: 100%;
    }

    .social-proof-live {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .section-header-testimonials h2 {
        font-size: 1.5rem;
    }

    .testimonials-stats {
        grid-template-columns: 1fr;
    }

    .testimonial-card {
        padding: var(--spacing-lg);
    }
}

/* ============================================
   ANIMATIONS AVANCÉES
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Animations au scroll (optionnel avec Intersection Observer) */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Print styles */
@media print {
    .cta-sticky-bar,
    .social-proof-live {
        display: none !important;
    }
}