/* =====================================================
   SHOP VENUS E - STYLE PRINCIPAL
   ENR Ma Maison Connectée
   ===================================================== */

/* === VARIABLES === */
:root {
    /* Couleurs principales */
    --primary: #0a1628;
    --primary-light: #1a2d4a;
    --secondary: #00d4aa;
    --secondary-light: #00ffcc;
    --secondary-dark: #00a88a;
    --accent: #ff6b35;
    --accent-light: #ff8f66;
    
    /* Neutres */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    --gradient-hero: linear-gradient(135deg, #0a1628 0%, #1a3a5c 50%, #0d2847 100%);
    
    /* Typographie */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', var(--font-main);
    
    /* Espacements */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Bordures */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    --radius-full: 9999px;
    
    /* Ombres */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0,0,0,0.25);
    --shadow-glow: 0 0 40px rgba(0, 212, 170, 0.3);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

/* === RESET & BASE === */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-700);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* === CONTAINER === */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

.gradient-text {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.875rem 1.75rem;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--gradient-secondary);
    color: var(--primary);
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-accent {
    background: var(--gradient-accent);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.4);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--gray-300);
    color: var(--gray-700);
}

.btn-outline:hover {
    border-color: var(--secondary);
    color: var(--secondary);
}

.btn-outline-white {
    background: transparent;
    border: 2px solid rgba(255,255,255,0.5);
    color: var(--white);
}

.btn-outline-white:hover {
    background: var(--white);
    color: var(--primary);
}

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

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

.btn-large {
    padding: 1.125rem 2.25rem;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
}

/* === ANNOUNCEMENT BAR === */
.announcement-bar {
    background: var(--gradient-secondary);
    color: var(--primary);
    padding: var(--space-sm) 0;
    text-align: center;
    font-size: 0.9rem;
    font-weight: 500;
}

.announcement-bar strong {
    font-weight: 700;
}

/* === HEADER === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    transition: var(--transition-base);
}

.header.scrolled {
    background: rgba(10, 22, 40, 0.98);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
}

.logo-icon {
    font-size: 1.75rem;
}

.logo .highlight {
    color: var(--secondary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-menu a {
    color: var(--gray-300);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.nav-menu a:hover {
    color: var(--white);
}

.nav-menu .nav-cta {
    color: var(--secondary);
    font-weight: 600;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.mobile-menu-btn {
    display: none;
    color: var(--white);
    font-size: 1.5rem;
    padding: var(--space-sm);
}

/* === HERO SECTION === */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-hero);
    padding-top: 120px;
    overflow: hidden;
}

.hero-bg-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0, 212, 170, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(0, 212, 170, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    color: var(--white);
}

.badge-new {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: rgba(0, 212, 170, 0.15);
    border: 1px solid rgba(0, 212, 170, 0.3);
    border-radius: var(--radius-full);
    color: var(--secondary);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.hero h1 {
    color: var(--white);
    margin-bottom: var(--space-lg);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-300);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.hero-stats {
    display: flex;
    gap: var(--space-2xl);
    margin-bottom: var(--space-xl);
}

.stat {
    text-align: left;
}

.stat-value {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-400);
    margin-top: var(--space-xs);
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}

.hero-price {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
}

.price-tag {
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
}

.old-price {
    font-size: 1.25rem;
    color: var(--gray-500);
    text-decoration: line-through;
}

.current-price {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary);
}

.current-price small {
    font-size: 1rem;
    font-weight: 500;
    margin-left: 2px;
}

.price-info {
    font-size: 0.9rem;
    color: var(--gray-400);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-3d-container {
    position: relative;
    width: 100%;
    max-width: 500px;
    aspect-ratio: 1;
    background: radial-gradient(ellipse at center, rgba(0, 212, 170, 0.1) 0%, transparent 70%);
    border-radius: var(--radius-xl);
}

.product-3d-container canvas {
    width: 100% !important;
    height: 100% !important;
    border-radius: var(--radius-xl);
    cursor: grab;
}

.product-3d-container canvas:active {
    cursor: grabbing;
}

.viewer-controls {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    padding: 8px 12px;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.viewer-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.viewer-btn:hover {
    background: var(--secondary);
    color: var(--primary);
    transform: scale(1.1);
}

.viewer-btn.active {
    background: var(--secondary);
    color: var(--primary);
}

.product-image-fallback {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: float 6s ease-in-out infinite;
}

.product-image-fallback img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    filter: drop-shadow(0 30px 60px rgba(0, 212, 170, 0.3));
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.rotate-hint {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--gray-500);
    font-size: 0.85rem;
}

.rotate-hint i {
    animation: spin 4s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--gray-500);
    font-size: 0.8rem;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--gray-500);
    border-radius: 20px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--secondary);
    border-radius: 4px;
    animation: scroll 2s ease-in-out infinite;
}

@keyframes scroll {
    0%, 100% { top: 8px; opacity: 1; }
    50% { top: 20px; opacity: 0.3; }
}

/* === SECTION COMMON === */
section {
    padding: var(--space-4xl) 0;
}

.section-header {
    margin-bottom: var(--space-3xl);
}

.section-header.centered {
    text-align: center;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-tag {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: rgba(0, 212, 170, 0.1);
    color: var(--secondary-dark);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.section-header h2 {
    margin-bottom: var(--space-md);
}

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

/* === CONCEPT SECTION === */
.concept-section {
    background: var(--gray-50);
}

.concept-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.flow-step {
    flex: 1;
    min-width: 250px;
    max-width: 300px;
    text-align: center;
    padding: var(--space-xl);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.flow-step:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.step-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-secondary);
    border-radius: var(--radius-lg);
    font-size: 2rem;
    color: var(--primary);
}

.flow-step h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.flow-step p {
    color: var(--gray-600);
    font-size: 0.95rem;
}

.flow-arrow {
    color: var(--gray-300);
    font-size: 1.5rem;
}

/* === SIMULATOR SECTION === */
.simulator-section {
    background: var(--gradient-hero);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.simulator-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 50% at 20% 80%, rgba(0, 212, 170, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.simulator-section .section-header p {
    color: var(--gray-400);
}

.simulator-wrapper {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.simulator-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    backdrop-filter: blur(20px);
}

/* Form Steps */
.form-step {
    display: none;
}

.form-step.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

.form-step h3 {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: var(--space-xl);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.form-step h3 i {
    color: var(--secondary);
}

/* Form Groups */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-300);
    margin-bottom: var(--space-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-md);
    color: var(--white);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-500);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary);
    background: rgba(255,255,255,0.08);
}

.input-hint {
    display: block;
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-top: var(--space-xs);
}

/* Tarif Options */
.tarif-type-selector {
    margin-bottom: var(--space-lg);
}

.tarif-type-selector > label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-300);
    margin-bottom: var(--space-md);
}

.tarif-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.tarif-option {
    cursor: pointer;
}

.tarif-option input {
    display: none;
}

.option-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-lg);
    background: rgba(255,255,255,0.03);
    border: 2px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.option-box i {
    font-size: 1.5rem;
    color: var(--gray-400);
}

.option-box strong {
    font-size: 0.9rem;
    color: var(--gray-300);
    text-align: center;
}

.tarif-option.active .option-box,
.tarif-option input:checked + .option-box {
    border-color: var(--secondary);
    background: rgba(0, 212, 170, 0.1);
}

.tarif-option.active .option-box i,
.tarif-option input:checked + .option-box i {
    color: var(--secondary);
}

.tarif-inputs {
    margin-bottom: var(--space-lg);
}

.tarif-difference {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: rgba(0, 212, 170, 0.1);
    border-radius: var(--radius-md);
    color: var(--secondary);
    font-size: 0.9rem;
}

/* Config Options */
.config-selector {
    margin-bottom: var(--space-xl);
}

.config-selector > label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-300);
    margin-bottom: var(--space-md);
}

.config-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.config-option {
    cursor: pointer;
}

.config-option input {
    display: none;
}

.config-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-lg);
    background: rgba(255,255,255,0.03);
    border: 2px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    text-align: center;
}

.config-visual {
    display: flex;
    gap: var(--space-xs);
    font-size: 1.5rem;
    color: var(--gray-400);
}

.config-box strong {
    font-size: 0.95rem;
    color: var(--white);
}

.config-capacity {
    font-size: 0.85rem;
    color: var(--gray-400);
}

.config-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--secondary);
}

.config-option.active .config-box,
.config-option input:checked + .config-box {
    border-color: var(--secondary);
    background: rgba(0, 212, 170, 0.1);
}

.config-option.active .config-visual,
.config-option input:checked + .config-box .config-visual {
    color: var(--secondary);
}

/* Solar Option */
.solar-option {
    margin-bottom: var(--space-xl);
}

.checkbox-custom {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    cursor: pointer;
    color: var(--gray-300);
}

.checkbox-custom input {
    display: none;
}

.checkmark {
    width: 24px;
    height: 24px;
    border: 2px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-sm);
    position: relative;
    transition: var(--transition-fast);
}

.checkbox-custom input:checked + .checkmark {
    background: var(--secondary);
    border-color: var(--secondary);
}

.checkbox-custom input:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-weight: 700;
}

.solar-input {
    margin-top: var(--space-md);
    padding-left: 40px;
}

/* Form Navigation */
.form-nav {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.form-nav .btn {
    flex: 1;
}

/* Info Box */
.info-box {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
}

.info-box i {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.info-warning {
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid rgba(255, 193, 7, 0.3);
    color: #ffc107;
}

/* Progress Steps */
.simulator-progress {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: var(--space-2xl);
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.step-number {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    border: 2px solid rgba(255,255,255,0.2);
    border-radius: 50%;
    color: var(--gray-400);
    font-weight: 600;
    transition: var(--transition-fast);
}

.step-label {
    font-size: 0.8rem;
    color: var(--gray-500);
}

.progress-step.active .step-number {
    background: var(--secondary);
    border-color: var(--secondary);
    color: var(--primary);
}

.progress-step.active .step-label {
    color: var(--secondary);
}

.progress-step.completed .step-number {
    background: var(--secondary);
    border-color: var(--secondary);
    color: var(--primary);
}

.progress-line {
    width: 60px;
    height: 2px;
    background: rgba(255,255,255,0.1);
    margin: 0 var(--space-md);
    margin-bottom: 20px;
}

/* === RESULTS === */
.simulator-results {
    animation: fadeIn 0.5s ease;
}

.results-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.results-header h3 {
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
}

.results-header h3 i {
    color: var(--secondary);
}

#resultsName {
    color: var(--gray-400);
    margin-top: var(--space-sm);
}

/* Result Cards */
.results-main {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.result-card {
    text-align: center;
    padding: var(--space-xl);
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
}

.result-card.highlight {
    background: rgba(0, 212, 170, 0.1);
    border-color: rgba(0, 212, 170, 0.3);
}

.result-icon {
    font-size: 2rem;
    color: var(--gray-400);
    margin-bottom: var(--space-md);
}

.result-card.highlight .result-icon {
    color: var(--secondary);
}

.result-value {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--space-sm);
}

.result-card.highlight .result-value {
    color: var(--secondary);
}

.result-label {
    font-size: 0.9rem;
    color: var(--gray-400);
}

/* Comparison Table */
.results-comparison {
    margin-bottom: var(--space-2xl);
}

.results-comparison h4 {
    color: var(--white);
    margin-bottom: var(--space-lg);
    text-align: center;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
    padding: var(--space-md);
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.comparison-table th {
    font-weight: 600;
    color: var(--gray-400);
    font-size: 0.85rem;
    text-transform: uppercase;
}

.comparison-table td {
    color: var(--white);
}

.comparison-table tr.selected {
    background: rgba(0, 212, 170, 0.1);
}

.comparison-table tr.selected td {
    color: var(--secondary);
    font-weight: 600;
}

/* Results Details */
.results-details {
    margin-bottom: var(--space-2xl);
}

.results-details h4 {
    color: var(--white);
    margin-bottom: var(--space-lg);
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.detail-item {
    display: flex;
    justify-content: space-between;
    padding: var(--space-md);
    background: rgba(255,255,255,0.03);
    border-radius: var(--radius-sm);
}

.detail-label {
    color: var(--gray-400);
    font-size: 0.9rem;
}

.detail-value {
    color: var(--white);
    font-weight: 600;
}

/* Results CTA */
.results-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    margin-bottom: var(--space-xl);
}

.results-disclaimer {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md);
    background: rgba(255,255,255,0.03);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    color: var(--gray-500);
}

.results-disclaimer i {
    color: var(--gray-400);
    margin-top: 2px;
}

/* === PRODUCT SECTION === */
.product-section {
    background: var(--white);
}

.product-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

/* Product Gallery */
.product-gallery {
    position: sticky;
    top: 120px;
}

.main-image {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-md);
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.main-image img {
    max-height: 350px;
    object-fit: contain;
    transition: var(--transition-slow);
}

.thumbnail-list {
    display: flex;
    gap: var(--space-md);
}

.thumbnail {
    width: 80px;
    height: 80px;
    padding: var(--space-sm);
    background: var(--gray-50);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
}

.thumbnail:hover {
    border-color: var(--gray-300);
}

.thumbnail.active {
    border-color: var(--secondary);
}

.thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* Product Info */
.product-info {
    padding-top: var(--space-md);
}

.product-badges {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.badge {
    padding: var(--space-xs) var(--space-md);
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
}

.badge-new {
    background: var(--secondary);
    color: var(--primary);
}

.badge-promo {
    background: var(--accent);
    color: var(--white);
}

.product-info h2 {
    margin-bottom: var(--space-sm);
}

.product-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: var(--space-lg);
}

.product-rating {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.stars {
    color: #fbbf24;
    font-size: 1.1rem;
}

.product-rating span {
    color: var(--gray-500);
    font-size: 0.9rem;
}

/* Product Price Box */
.product-price-box {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.price-current {
    display: flex;
    align-items: baseline;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.price-old {
    font-size: 1.25rem;
    color: var(--gray-400);
    text-decoration: line-through;
}

.price-main {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
}

.price-ttc {
    font-size: 1.25rem;
    color: var(--gray-500);
}

.price-includes {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--secondary-dark);
    font-size: 0.95rem;
}

.price-includes i {
    color: var(--secondary);
}

/* Product Highlights */
.product-highlights {
    margin-bottom: var(--space-xl);
}

.product-highlights li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-sm) 0;
    font-size: 1rem;
    color: var(--gray-700);
}

.product-highlights li i {
    color: var(--secondary);
    margin-top: 3px;
}

/* Product Actions */
.product-actions {
    margin-bottom: var(--space-xl);
}

.payment-options {
    text-align: center;
    margin-top: var(--space-md);
    font-size: 0.9rem;
    color: var(--gray-500);
}

/* Product Guarantees */
.product-guarantees {
    display: flex;
    gap: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--gray-200);
}

.guarantee {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9rem;
    color: var(--gray-600);
}

.guarantee i {
    color: var(--secondary);
    font-size: 1.25rem;
}

/* === HOW IT WORKS === */
.how-it-works {
    background: var(--gray-50);
}

.timeline {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

.timeline-item {
    display: flex;
    gap: var(--space-xl);
}

.timeline-icon {
    width: 70px;
    height: 70px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.75rem;
}

.timeline-icon.night {
    background: linear-gradient(135deg, #1e3a5f, #2d5a87);
    color: #a5d8ff;
}

.timeline-icon.day {
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
    color: var(--white);
}

.timeline-icon.savings {
    background: var(--gradient-secondary);
    color: var(--primary);
}

.timeline-content {
    flex: 1;
}

.timeline-time {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: var(--gray-200);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: var(--space-sm);
}

.timeline-content h3 {
    margin-bottom: var(--space-sm);
}

.timeline-content p {
    color: var(--gray-600);
}

/* Energy Flow Visual */
.energy-flow-visual {
    padding: var(--space-2xl);
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.flow-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.flow-box {
    text-align: center;
    padding: var(--space-xl);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    min-width: 150px;
}

.flow-box.highlight {
    background: var(--gradient-secondary);
    color: var(--primary);
}

.flow-box i {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
    color: var(--gray-400);
}

.flow-box.highlight i {
    color: var(--primary);
}

.flow-box span {
    display: block;
    font-weight: 600;
}

.flow-box small {
    display: block;
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-top: var(--space-xs);
}

.flow-box.highlight small {
    color: var(--primary);
    opacity: 0.8;
}

.flow-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    color: var(--gray-400);
}

.flow-arrow i {
    font-size: 1.5rem;
}

.flow-arrow span {
    font-size: 0.8rem;
}

.flow-arrow.animated i {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: translateX(0); opacity: 0.5; }
    50% { transform: translateX(5px); opacity: 1; }
}

/* === SPECS SECTION === */
.specs-section {
    background: var(--white);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.specs-category {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}

.specs-category h4 {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--secondary);
}

.specs-category h4 i {
    color: var(--secondary);
}

.specs-list li {
    display: flex;
    justify-content: space-between;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--gray-200);
    font-size: 0.95rem;
}

.specs-list li:last-child {
    border-bottom: none;
}

.specs-list span {
    color: var(--gray-600);
}

.specs-list strong {
    color: var(--gray-900);
}

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

/* === TESTIMONIALS === */
.testimonials-section {
    background: var(--gray-50);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.testimonial-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
}

.testimonial-stars {
    color: #fbbf24;
    margin-bottom: var(--space-md);
}

.testimonial-card p {
    font-style: italic;
    color: var(--gray-700);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.testimonial-author strong {
    display: block;
    color: var(--gray-900);
}

.testimonial-author span {
    font-size: 0.85rem;
    color: var(--gray-500);
}

/* === FAQ SECTION === */
.faq-section {
    background: var(--white);
}

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

.faq-item {
    border-bottom: 1px solid var(--gray-200);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg) 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-900);
    text-align: left;
    transition: var(--transition-fast);
}

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

.faq-question i {
    transition: var(--transition-base);
    color: var(--gray-400);
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding-bottom: var(--space-lg);
    color: var(--gray-600);
    line-height: 1.7;
}

/* === CTA SECTION === */
.cta-section {
    background: var(--gradient-secondary);
    padding: var(--space-3xl) 0;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    color: var(--primary);
    margin-bottom: var(--space-md);
}

.cta-content p {
    color: var(--primary);
    opacity: 0.8;
    margin-bottom: var(--space-xl);
    font-size: 1.125rem;
}

.cta-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* === CONTACT SECTION === */
.contact-section {
    background: var(--gray-50);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-3xl);
    align-items: start;
}

.contact-info h3 {
    margin-bottom: var(--space-md);
}

.contact-info > p {
    color: var(--gray-600);
    margin-bottom: var(--space-xl);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background: var(--white);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.contact-method:hover {
    box-shadow: var(--shadow-md);
}

.contact-method i {
    font-size: 1.5rem;
    color: var(--secondary);
}

.contact-method strong {
    display: block;
    color: var(--gray-900);
}

.contact-method span {
    font-size: 0.85rem;
    color: var(--gray-500);
}

/* Contact Form */
.contact-form {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-lg);
}

.contact-form .form-group input,
.contact-form .form-group textarea {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    color: var(--gray-900);
}

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

.contact-form .form-group input:focus,
.contact-form .form-group textarea:focus {
    border-color: var(--secondary);
    background: var(--white);
}

/* === FOOTER === */
.footer {
    background: var(--primary);
    color: var(--gray-400);
    padding-top: var(--space-4xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-3xl);
    padding-bottom: var(--space-3xl);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .logo {
    margin-bottom: var(--space-lg);
}

.footer-brand p {
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    color: var(--gray-400);
    transition: var(--transition-fast);
}

.social-links a:hover {
    background: var(--secondary);
    color: var(--primary);
}

.footer-links h4 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: var(--space-lg);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a:hover {
    color: var(--secondary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-xl) 0;
}

.footer-bottom p {
    font-size: 0.9rem;
}

.payment-methods {
    display: flex;
    gap: var(--space-md);
    font-size: 1.75rem;
    color: var(--gray-500);
}

/* === MOBILE MENU === */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary);
    z-index: 2000;
    transform: translateX(100%);
    transition: var(--transition-base);
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.mobile-menu-header button {
    color: var(--white);
    font-size: 1.5rem;
}

.mobile-nav {
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.mobile-nav a {
    color: var(--gray-300);
    font-size: 1.25rem;
    font-weight: 500;
}

.mobile-nav a:hover {
    color: var(--white);
}

/* === RESPONSIVE === */
@media (max-width: 1200px) {
    .specs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .nav-menu,
    .nav-actions {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-price {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .hero-visual {
        order: -1;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .product-showcase {
        grid-template-columns: 1fr;
    }
    
    .product-gallery {
        position: relative;
        top: 0;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .config-options {
        grid-template-columns: 1fr;
    }
    
    .results-main {
        grid-template-columns: 1fr;
    }
    
    .detail-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero {
        padding-top: 80px;
        min-height: auto;
        padding-bottom: var(--space-3xl);
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .concept-flow {
        flex-direction: column;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .tarif-options {
        grid-template-columns: 1fr;
    }
    
    .product-guarantees {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .flow-diagram {
        flex-direction: column;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
    }
    
    .specs-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
    
    .results-cta {
        flex-direction: column;
    }
    
    .results-cta .btn {
        width: 100%;
    }
    
    .comparison-table {
        font-size: 0.8rem;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: var(--space-sm);
    }
}

@media (max-width: 480px) {
    .simulator-card {
        padding: var(--space-lg);
    }
    
    .result-value {
        font-size: 2rem;
    }
}