/* ==========================================================================
   SHINE INSTITUTE - SYSTEME DE DESIGN PREMIUM & FEUILLE DE STYLE
   Auteur : ICREA Group (Alliance Digitale)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. VARIABLES & DESIGN TOKENS
   -------------------------------------------------------------------------- */
:root {
    /* Couleurs de la marque (Palette de Prestige) */
    --color-dark: #0f0f0f;
    --color-dark-gray: #161616;
    --color-light-gray: #202020;
    --color-cream: #FDFBF7;
    --color-gold: #D4AF37;
    --color-gold-light: #E5C158;
    --color-champagne: #C5A880;
    --color-text-light: #F3F4F6;
    --color-text-dark: #1F2937;
    --color-text-muted: #A0A5B0;
    --color-success: #10B981;
    --color-whatsapp: #25D366;

    /* Typographies */
    --font-heading: 'Outfit', 'Playfair Display', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Ombrages et Effets */
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.6);
    --shadow-gold: 0 4px 25px rgba(212, 175, 55, 0.2);
    --glass-bg: rgba(22, 22, 22, 0.82);
    --glass-border: rgba(197, 168, 128, 0.15);
    --glass-blur: blur(16px);

    /* Espacements */
    --container-width: 1200px;
    --border-radius: 12px;
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   2. REINITIALISATION & STYLES GLOBAUX
   -------------------------------------------------------------------------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--color-dark);
    color: var(--color-text-light);
    font-family: var(--font-body);
}

body {
    overflow-x: hidden;
    line-height: 1.6;
    background: radial-gradient(circle at 50% -20%, #201b12 0%, #0f0f0f 80%);
    background-attachment: fixed;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-cream);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

/* --------------------------------------------------------------------------
   3. UTILITIES & STRUCTURAL LAYOUT
   -------------------------------------------------------------------------- */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
    position: relative;
}

.section-bg-light {
    background-color: var(--color-dark-gray);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

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

.max-800 {
    max-width: 800px;
    margin: 0 auto;
}

.mt-20 { margin-top: 20px; }
.mt-30 { margin-top: 30px; }
.mt-50 { margin-top: 50px; }

.sub-title {
    font-family: var(--font-heading);
    color: var(--color-champagne);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 12px;
    position: relative;
}

.sub-title::after {
    content: '';
    display: block;
    width: 40px;
    height: 1px;
    background-color: var(--color-gold);
    margin: 8px auto 0 auto;
}

.sub-title-left::after {
    margin: 8px 0 0 0;
}

h2.section-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.section-desc {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    margin-bottom: 40px;
}

/* --------------------------------------------------------------------------
   4. BOUTONS & ELEMENTS D'IMAGE
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    outline: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-champagne) 100%);
    color: var(--color-dark);
    box-shadow: var(--shadow-gold);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.35);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-cream);
    border: 1px solid var(--color-champagne);
}

.btn-secondary:hover {
    background-color: var(--color-champagne);
    color: var(--color-dark);
    transform: translateY(-3px);
}

.btn-whatsapp {
    background-color: var(--color-whatsapp);
    color: white;
}

.btn-whatsapp:hover {
    background-color: #20b855;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.3);
}

.pulse-indicator {
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: var(--color-gold);
    border-radius: 50%;
    margin-right: 8px;
    box-shadow: 0 0 0 0 rgba(212, 175, 55, 0.7);
    animation: pulse 1.6s infinite;
}

/* --------------------------------------------------------------------------
   5. BARRE DE NAVIGATION & FOOTER
   -------------------------------------------------------------------------- */
.top-announcement-bar {
    background-color: #080808;
    color: var(--color-champagne);
    text-align: center;
    padding: 8px 16px;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    font-family: var(--font-heading);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.header {
    background-color: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition-smooth);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 12px;
    padding-bottom: 12px;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-logo {
    height: 48px;
    width: auto;
    border-radius: 4px;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-cream);
}

.logo-text span {
    color: var(--color-gold);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-item {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.nav-item:hover, .nav-item.active {
    color: var(--color-gold);
}

.cta-nav-button {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-champagne) 100%);
    color: var(--color-dark);
    padding: 10px 22px;
    border-radius: var(--border-radius);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: var(--shadow-gold);
}

.cta-nav-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3);
}

.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--color-cream);
    font-size: 1.5rem;
    cursor: pointer;
}

/* --------------------------------------------------------------------------
   6. HERO SECTION SPECTACULAIRE (ARRIÈRE-PLAN)
   -------------------------------------------------------------------------- */
.hero-section {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    background-image: linear-gradient(rgba(15, 15, 15, 0.65), rgba(15, 15, 15, 0.92)), url('../images/massage_hero_bg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 120px 0;
    overflow: hidden;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 150px;
    background: linear-gradient(to top, var(--color-dark), transparent);
    pointer-events: none;
}

.hero-content {
    z-index: 10;
    max-width: 700px;
}

.hero-content h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 24px;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.6);
}

.hero-subtitle {
    color: var(--color-text-light);
    font-size: 1.25rem;
    margin-bottom: 40px;
    max-width: 600px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
}

.hero-subtitle strong {
    color: var(--color-gold-light);
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
}

.hero-trust {
    display: flex;
    flex-direction: row;
    gap: 24px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--color-text-light);
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
}

.trust-item i {
    color: var(--color-gold);
}

/* --------------------------------------------------------------------------
   7. SECTEUR D'AGENCE & UNIVERS CARDS
   -------------------------------------------------------------------------- */
.agency-card {
    background-color: var(--color-dark-gray);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 32px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.agency-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--color-gold);
    transform: scaleY(0);
    transition: var(--transition-smooth);
}

.agency-card:hover {
    transform: translateY(-5px);
    border-color: rgba(212, 175, 55, 0.4);
    box-shadow: var(--shadow-gold);
}

.agency-card:hover::before {
    transform: scaleY(1);
}

.agency-card h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.agency-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.agency-info-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.agency-info-row i {
    color: var(--color-champagne);
    width: 16px;
}

.card-icon {
    font-size: 2rem;
    color: var(--color-gold);
    margin-bottom: 20px;
}

/* Univers Carousel & Tabs */
.univers-tabs {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab-btn {
    background-color: var(--color-dark-gray);
    border: 1px solid var(--glass-border);
    color: var(--color-text-muted);
    padding: 12px 24px;
    border-radius: 50px;
    cursor: pointer;
    font-family: var(--font-heading);
    font-weight: 600;
    transition: var(--transition-smooth);
}

.tab-btn:hover, .tab-btn.active {
    background-color: var(--color-gold);
    color: var(--color-dark);
    border-color: var(--color-gold);
}

.univers-content-wrapper {
    background-color: var(--color-dark-gray);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 48px;
    position: relative;
    overflow: hidden;
}

.univers-content {
    position: relative;
}

.univers-pane {
    display: none;
}

.univers-pane.active {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
    align-items: center;
    animation: fadeIn 0.5s ease;
}

.univers-image {
    width: 100%;
    height: 350px;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
}

/* --------------------------------------------------------------------------
   8. INTERACTIVE SIMULATEUR DE PRIX (PAGE SERVICES)
   -------------------------------------------------------------------------- */
.simulator-wrapper {
    background-color: var(--color-dark-gray);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 60px;
}

.simulator-header {
    margin-bottom: 30px;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 20px;
}

.simulator-grid {
    display: grid;
    grid-template-columns: 1.8fr 1.2fr;
    gap: 40px;
}

.simulator-categories {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.sim-category-title {
    font-size: 1.2rem;
    color: var(--color-champagne);
    margin-bottom: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 8px;
}

.services-list-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.service-selection-card {
    background-color: var(--color-light-gray);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
}

.service-selection-card input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-champagne);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    flex-shrink: 0;
}

.checkbox-custom::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--color-dark);
    font-size: 0.75rem;
    display: none;
}

.service-selection-card:hover {
    border-color: var(--color-gold);
}

.service-selection-card.selected {
    background-color: rgba(212, 175, 55, 0.05);
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.service-selection-card.selected .checkbox-custom {
    background-color: var(--color-gold);
    border-color: var(--color-gold);
}

.service-selection-card.selected .checkbox-custom::after {
    display: block;
}

.service-label-wrapper {
    flex-grow: 1;
}

.service-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-cream);
}

.service-price {
    color: var(--color-champagne);
    font-weight: 700;
    font-size: 0.9rem;
    margin-top: 4px;
}

.simulator-summary-box {
    background-color: #0b0b0b;
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 30px;
    align-self: start;
    position: sticky;
    top: 100px;
}

.summary-title {
    font-size: 1.3rem;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 12px;
}

.selected-items-list {
    min-height: 80px;
    max-height: 250px;
    overflow-y: auto;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.selected-item-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--color-text-light);
    border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
    padding-bottom: 8px;
}

.selected-item-price {
    font-weight: 700;
    color: var(--color-gold);
}

.total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--glass-border);
    padding-top: 20px;
    margin-bottom: 24px;
}

.total-label {
    font-size: 1.1rem;
    font-weight: 600;
}

.total-value {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-gold);
}

/* --------------------------------------------------------------------------
   9. FORMULAIRE DE RESERVATION (PAGE CONTACT)
   -------------------------------------------------------------------------- */
.booking-form-wrapper {
    max-width: 700px;
    margin: 0 auto;
    background-color: var(--color-dark-gray);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 40px;
}

.step-indicator-wrapper {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
    position: relative;
}

.step-indicator-wrapper::before {
    content: '';
    position: absolute;
    top: 18px;
    left: 10%;
    width: 80%;
    height: 2px;
    background-color: var(--color-light-gray);
    z-index: 1;
}

.step-line-progress {
    position: absolute;
    top: 18px;
    left: 10%;
    width: 0%;
    height: 2px;
    background-color: var(--color-gold);
    z-index: 2;
    transition: var(--transition-smooth);
}

.step-dot {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: var(--color-light-gray);
    border: 2px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-text-muted);
    z-index: 3;
    transition: var(--transition-smooth);
}

.step-dot.active {
    background-color: var(--color-dark);
    border-color: var(--color-gold);
    color: var(--color-gold);
}

.step-dot.completed {
    background-color: var(--color-gold);
    border-color: var(--color-gold);
    color: var(--color-dark);
}

.form-step-pane {
    display: none;
}

.form-step-pane.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 8px;
    color: var(--color-champagne);
}

.form-control {
    width: 100%;
    background-color: var(--color-light-gray);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 14px 18px;
    color: white;
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.form-control-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23C5A880'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 18px center;
    background-size: 24px;
}

.form-nav-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
}

/* --------------------------------------------------------------------------
   10. AVIS CLIENTS AVEC VRAIES IMAGES UTILISATEURS
   -------------------------------------------------------------------------- */
.review-card {
    background-color: var(--color-dark-gray);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 32px;
    transition: var(--transition-smooth);
}

.review-card:hover {
    transform: translateY(-5px);
    border-color: rgba(197, 168, 128, 0.35);
}

.stars-row {
    color: var(--color-gold);
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.review-text {
    font-style: italic;
    color: var(--color-text-light);
    margin-bottom: 24px;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-champagne);
}

.author-info h4 {
    font-size: 0.95rem;
    color: var(--color-cream);
}

.author-info p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   11. SECTION ACCORDÉON FAQ DYNAMIQUE
   -------------------------------------------------------------------------- */
.faq-wrapper {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background-color: var(--color-dark-gray);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.faq-question {
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-cream);
    transition: var(--transition-smooth);
}

.faq-question:hover {
    color: var(--color-gold);
}

.faq-question i {
    color: var(--color-gold);
    transition: transform 0.4s ease;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), padding 0.4s ease;
    padding: 0 24px;
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.faq-item.active {
    border-color: rgba(212, 175, 55, 0.35);
    box-shadow: var(--shadow-gold);
}

.faq-item.active .faq-question {
    color: var(--color-gold);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding-bottom: 24px;
}

/* --------------------------------------------------------------------------
   12. FOOTER & COPYRIGHT
   -------------------------------------------------------------------------- */
.footer {
    background-color: #080808;
    border-top: 1px solid var(--glass-border);
    padding: 80px 0 30px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-logo-desc p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-top: 16px;
}

.footer-title {
    font-size: 1.1rem;
    margin-bottom: 24px;
    position: relative;
    display: inline-block;
}

.footer-title::after {
    content: '';
    display: block;
    width: 30px;
    height: 1px;
    background-color: var(--color-gold);
    margin-top: 8px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--color-gold);
    padding-left: 5px;
}

.footer-agences {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-agence-row {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.footer-agence-row strong {
    color: var(--color-cream);
}

.copyright-bar {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   13. STICKY MOBILE CTA & FLOATING WHATSAPP BUTTON (Optimisation UX)
   -------------------------------------------------------------------------- */
.mobile-sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: #090909;
    border-top: 1px solid var(--glass-border);
    display: none;
    padding: 10px 24px 14px 24px;
    z-index: 999;
    box-shadow: 0 -5px 25px rgba(0, 0, 0, 0.8);
    box-sizing: border-box;
}

.mobile-sticky-cta .btn {
    width: 100%;
    justify-content: center;
    font-size: 0.95rem;
    padding: 14px 20px;
}

.whatsapp-floating-btn {
    position: fixed;
    bottom: 80px; /* Suspendu au-dessus du bouton de réservation */
    right: 20px;
    width: 56px;
    height: 56px;
    background-color: var(--color-whatsapp);
    color: white;
    border-radius: 50%;
    display: none; /* Affiché sur mobile uniquement */
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4), 0 0 10px rgba(37, 211, 102, 0.2);
    z-index: 998;
    transition: var(--transition-smooth);
}

.whatsapp-floating-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5), 0 0 15px rgba(37, 211, 102, 0.4);
}

/* Stats Block About Page */
.about-stats-grid {
    display: flex;
    gap: 32px;
    border-top: 1px solid var(--glass-border);
    padding-top: 24px;
    margin-top: 24px;
}

.about-stat-item {
    flex: 1;
}

.about-stat-item h3 {
    color: var(--color-gold);
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 6px;
}

.about-stat-item p {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
    line-height: 1.3;
}

/* --------------------------------------------------------------------------
   14. ANIMATIONS & TRANSITIONS
   -------------------------------------------------------------------------- */
@keyframes pulse {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(212, 175, 55, 0.7);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 8px rgba(212, 175, 55, 0);
    }
    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(212, 175, 55, 0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Classes de reveal de GSAP ou Scroll */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* --------------------------------------------------------------------------
   15. RESPONSIVE DESIGN (MEDIA QUERIES)
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .grid-3 {
        grid-template-columns: 1fr 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .grid-2 {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .hero-section {
        min-height: 75vh;
        padding: 100px 0;
    }
    .hero-content h1 {
        font-size: 2.8rem;
    }
    .hero-actions {
        flex-direction: column;
        gap: 12px;
        width: 100%;
        margin-bottom: 30px;
    }
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
        font-size: 1rem;
        padding: 16px 20px;
    }
    .mobile-menu-toggle {
        display: block;
    }
    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        width: 100%;
        height: calc(100vh - 72px);
        background-color: var(--color-dark);
        flex-direction: column;
        justify-content: center;
        gap: 24px;
        padding: 40px;
        transform: translateX(-100%);
        transition: var(--transition-smooth);
        z-index: 999;
    }
    .nav-menu.open {
        transform: translateX(0);
    }
    .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
    .univers-pane.active {
        grid-template-columns: 1fr;
    }
    .simulator-grid {
        grid-template-columns: 1fr;
    }
    .services-list-grid {
        grid-template-columns: 1fr;
    }
    .mobile-sticky-cta {
        display: block;
    }
    .whatsapp-floating-btn {
        display: flex;
    }
    .form-nav-buttons {
        flex-direction: column-reverse !important;
        gap: 12px;
        width: 100%;
    }
    .form-nav-buttons .btn {
        width: 100% !important;
        justify-content: center;
    }
    body {
        padding-bottom: 75px; /* Espace pour le sticky footer */
    }
    .section {
        padding: 60px 0;
    }
    .hero-trust {
        flex-direction: column;
        gap: 12px;
    }
    .about-stats-grid {
        gap: 16px;
    }
    .about-stat-item h3 {
        font-size: 1.8rem;
    }
    .about-stat-item p {
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2.2rem;
    }
    .about-stats-grid {
        gap: 12px;
        justify-content: space-between;
    }
    .about-stat-item h3 {
        font-size: 1.5rem;
    }
    .about-stat-item p {
        font-size: 0.7rem;
        letter-spacing: 0;
    }
    .mobile-sticky-cta {
        padding: 10px 16px 16px 16px;
        gap: 8px;
    }
    .mobile-sticky-cta .btn {
        padding: 10px;
        font-size: 0.8rem;
    }
}