* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #00d4ff;
    --secondary: #0066ff;
    --accent: #00ffaa;
    --dark: #0a0a0f;
    --dark-light: #151520;
    --dark-lighter: #1f1f2e;
    --text: #e8e8f0;
    --text-dim: #a0a0b8;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--dark);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 1.2rem 0;
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
    transition: all 0.3s ease;
}

nav.scrolled {
    padding: 0.8rem 0;
    background: rgba(10, 10, 15, 0.95);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

nav .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 2rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
    text-transform: uppercase;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

nav a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: width 0.3s ease;
}

nav a:hover::after {
    width: 100%;
}

nav a:hover {
    color: var(--primary);
}

/* Hero Section avec fond professionnel */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 2rem;
    background: 
        radial-gradient(circle at 20% 30%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 102, 255, 0.08) 0%, transparent 50%),
        var(--dark);
    z-index: 2;
}

/* Grille de points subtile */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle, rgba(0, 212, 255, 0.15) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.3;
    animation: gridMove 20s linear infinite;
    z-index: 1;
}

@keyframes gridMove {
    0% { background-position: 0 0; }
    100% { background-position: 50px 50px; }
}

/* Formes géométriques flottantes */
.hero::after {
    content: '';
    position: absolute;
    top: 10%;
    right: 10%;
    width: 400px;
    height: 400px;
    border: 2px solid rgba(0, 212, 255, 0.1);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation: morphing 15s ease-in-out infinite;
    z-index: 1;
}

@keyframes morphing {
    0%, 100% { 
        border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
        transform: translate(0, 0) rotate(0deg);
    }
    25% { 
        border-radius: 58% 42% 75% 25% / 76% 46% 54% 24%;
        transform: translate(20px, -20px) rotate(90deg);
    }
    50% { 
        border-radius: 50% 50% 33% 67% / 55% 27% 73% 45%;
        transform: translate(-20px, 20px) rotate(180deg);
    }
    75% { 
        border-radius: 33% 67% 58% 42% / 63% 68% 32% 37%;
        transform: translate(20px, 20px) rotate(270deg);
    }
}

.hero-content {
    max-width: 1200px;
    text-align: center;
    position: relative;
    z-index: 10;
}

/* Deuxième forme */
.hero-content::before {
    content: '';
    position: absolute;
    bottom: -200px;
    left: -150px;
    width: 300px;
    height: 300px;
    border: 2px solid rgba(0, 102, 255, 0.08);
    border-radius: 50%;
    animation: pulse 8s ease-in-out infinite;
    z-index: -1;
}

@keyframes pulse {
    0%, 100% { 
        transform: scale(1);
        opacity: 0.5;
    }
    50% { 
        transform: scale(1.2);
        opacity: 0.3;
    }
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    background: linear-gradient(135deg, #fff 0%, var(--primary) 50%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease;
}

.hero .subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: var(--text-dim);
    margin-bottom: 3rem;
    animation: fadeInUp 1s ease 0.2s backwards;
}

.hero .cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.4s backwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Buttons */
.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
    position: relative;
    overflow: hidden;
    font-size: 1.1rem;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text);
    border: 2px solid var(--primary);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(0, 212, 255, 0.1);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Section */
section {
    padding: 8rem 0;
    position: relative;
    z-index: 1;
    background: var(--dark);
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.section-header.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-header h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: 1.3rem;
    color: var(--text-dim);
    max-width: 700px;
    margin: 0 auto;
}

/* Services avec icônes SVG */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.service-card {
    background: linear-gradient(135deg, var(--dark-light), var(--dark-lighter));
    border-radius: 20px;
    padding: 3rem;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 212, 255, 0.1);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    transform: translateY(50px) rotateX(10deg);
    transform-style: preserve-3d;
    perspective: 1000px;
}

.service-card.visible {
    opacity: 1;
    transform: translateY(0) rotateX(0deg);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.service-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: all 0.8s ease;
    transform: scale(0);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card:hover::after {
    opacity: 1;
    transform: scale(1);
}

.service-card:hover {
    transform: translateY(-15px) scale(1.02);
    border-color: var(--primary);
    box-shadow: 
        0 20px 60px rgba(0, 212, 255, 0.3),
        0 0 0 1px rgba(0, 212, 255, 0.1);
}

/* Icônes SVG professionnelles */
.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
    transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    padding: 1.2rem;
}

.service-icon svg {
    width: 100%;
    height: 100%;
    fill: white;
    stroke: white;
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    transform: rotateY(360deg) scale(1.1);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.5);
}

.service-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.service-card p {
    color: var(--text-dim);
    line-height: 1.8;
    position: relative;
    z-index: 1;
    font-size: 1.05rem;
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.pricing-card {
    background: linear-gradient(135deg, var(--dark-light), var(--dark-lighter));
    border-radius: 20px;
    padding: 3rem;
    border: 2px solid rgba(0, 212, 255, 0.1);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(50px) scale(0.95);
}

.pricing-card::before {
    content: '';
    position: absolute;
    left: -324%;
    width: 0%;
    height: 312%;
    transition: all 0.8s ease;
    opacity: 0;
}

.pricing-card:hover::before {
    top: -50%;
    left: -50%;
    opacity: 1;
}

.pricing-card.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.pricing-card.featured {
    border-color: var(--primary);
    transform: scale(1.05);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), var(--dark-lighter));
}

.pricing-card.featured::before {
    content: 'POPULAIRE';
    position: absolute;
    top: 20px;
    right: -35px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    padding: 5px 50px;
    transform: rotate(45deg);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    z-index: 10;
}

.pricing-card:hover {
    transform: translateY(-15px) scale(1.02);
    border-color: var(--primary);
    box-shadow: 
        0 25px 70px rgba(0, 212, 255, 0.4),
        0 0 0 2px rgba(0, 212, 255, 0.1);
}

.pricing-card.featured:hover {
    transform: translateY(-15px) scale(1.07);
}

.pricing-card .btn-primary {
    width: 100%;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.pricing-card:hover .btn-primary {
    transform: translateY(-5px) scale(1.05);
}

.pricing-card h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.price {
    font-size: 3rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.price-detail {
    color: var(--text-dim);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.features {
    list-style: none;
    margin-bottom: 2rem;
}

.features li {
    padding: 0.8rem 0;
    color: var(--text-dim);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    transition: all 0.3s ease;
    transform: translateX(0);
}

.features li:hover {
    color: var(--text);
    transform: translateX(10px);
}

.features li::before {
    content: '✓';
    color: var(--accent);
    font-weight: 900;
    font-size: 1.2rem;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.features li:hover::before {
    transform: scale(1.3) rotate(360deg);
}

/* Stats Section */
#stats {
    background: linear-gradient(135deg, var(--dark-light), var(--dark));
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

#stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(0, 102, 255, 0.05) 0%, transparent 50%);
    animation: pulse 10s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 15px;
    border: 1px solid rgba(0, 212, 255, 0.1);
    transition: all 0.5s ease;
    opacity: 0;
    transform: translateY(50px);
}

.stat-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.stat-item:hover {
    background: rgba(0, 212, 255, 0.05);
    border-color: var(--primary);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}

.stat-number {
    font-size: 4rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stat-label {
    color: var(--text-dim);
    font-size: 1.1rem;
    font-weight: 500;
}

/* Process */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
    position: relative;
}

.process-step {
    text-align: center;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.process-step::before {
    content: '';
    position: absolute;
    top: 40px;
    right: -50%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), transparent);
    opacity: 0;
    transition: opacity 0.8s ease;
}

.process-step:last-child::before {
    display: none;
}

.process-step.visible::before {
    opacity: 0.3;
}

.process-step.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Logo dans la navbar */
.logo img {
    height: 60px; 
    width: auto;
    display: block;
    transition: transform 0.3s ease;
}

.logo img:hover {
    transform: scale(1.05);
}

/* Responsive - logo plus petit sur mobile */
@media (max-width: 768px) {
    .logo img {
        height: 32px;
    }
}

#navbar.scrolled .logo img {
    height: 50px;
}

.step-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 900;
    margin: 0 auto 1.5rem;
    position: relative;
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.4);
    transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.step-number::before {
    content: '';
    position: absolute;
    inset: -5px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    opacity: 0;
    filter: blur(10px);
    transition: opacity 0.5s ease;
}

.process-step:hover .step-number {
    transform: scale(1.2) rotate(360deg);
    box-shadow: 0 15px 50px rgba(0, 212, 255, 0.6);
}

.process-step:hover .step-number::before {
    opacity: 0.7;
}

.process-step h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.process-step p {
    color: var(--text-dim);
    line-height: 1.8;
}

/* Quote Form */
.quote-form {
    max-width: 800px;
    margin: 4rem auto 0;
    background: linear-gradient(135deg, var(--dark-light), var(--dark-lighter));
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid rgba(0, 212, 255, 0.1);
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.quote-form.visible {
    opacity: 1;
    transform: translateY(0);
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.8rem;
    color: var(--text);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 10px;
    color: var(--text);
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(0, 212, 255, 0.05);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

.form-group select option {
    background: var(--dark-lighter);
    color: var(--text);
    padding: 1rem;
}

.form-group select option:hover,
.form-group select option:checked {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(0, 102, 255, 0.2));
}

.form-group select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2300d4ff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 20px;
    padding-right: 3rem;
    cursor: pointer;
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.contact-info {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.contact-info.visible {
    opacity: 1;
    transform: translateY(0);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    padding: 2rem;
    background: linear-gradient(135deg, var(--dark-light), var(--dark-lighter));
    border-radius: 15px;
    border: 1px solid rgba(0, 212, 255, 0.1);
    transition: all 0.3s ease;
}

.contact-item:hover {
    border-color: var(--primary);
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-details h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.contact-details p {
    color: var(--text-dim);
}

.contact-details a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-details a:hover {
    color: var(--accent);
}

/* Footer */
footer {
    background: var(--dark-light);
    padding: 3rem 0;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
    text-align: center;
}

footer p {
    color: var(--text-dim);
}

footer a {
    color: var(--primary);
    text-decoration: none;
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--primary);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* Scroll to top button */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 5px 20px rgba(0, 212, 255, 0.4);
    border: none;
    color: white;
    font-size: 1.5rem;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.6);
}

/* WhatsApp Chatbot Button */
.whatsapp-button {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);
    z-index: 999;
    transition: all 0.3s ease;
    animation: pulse-whatsapp 2s ease-in-out infinite;
}

.whatsapp-button:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.7);
}

.whatsapp-button svg {
    width: 35px;
    height: 35px;
    fill: white;
}

@keyframes pulse-whatsapp {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);
    }
    50% {
        box-shadow: 0 4px 30px rgba(37, 211, 102, 0.8);
    }
}

/* Tooltip WhatsApp */
.whatsapp-button::before {
    content: 'Besoin d\'aide ?';
    position: absolute;
    left: 75px;
    background: #25D366;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.whatsapp-button:hover::before {
    opacity: 1;
}

/* Titre avec sous-titre dans le hero */
.subtitle-heading {
    display: block;
    font-size: clamp(1.8rem, 5vw, 3rem);
    margin-top: 0.5rem;
    font-weight: 700;
}

/* Responsive */
@media (max-width: 768px) {
    nav ul {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        transition: left 0.3s ease;
    }

    nav ul.active {
        left: 0;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .services-grid,
    .pricing-grid,
    .process-steps,
    .contact-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    section {
        padding: 4rem 0;
    }

    .section-header {
        margin-bottom: 3rem;
    }

    .process-step::before {
        display: none;
    }

    .stat-number {
        font-size: 3rem;
    }

    .whatsapp-button {
        bottom: 6rem;
        left: 1rem;
    }

    .scroll-top {
        bottom: 1rem;
        right: 1rem;
    }
}