/* Reset et base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Palette recommandee 60/30/10 */
    --primary-color: #4A90E2; /* Bleu tech */
    --primary-dark: #2f6fbf;
    --primary-light: #8fc1ff;
    --secondary-color: #009688; /* Teal energique */
    --accent-color: #FF6F3C; /* Orange CTA */
    --success-color: #22c55e;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    
    /* Couleurs neutres modernes */
    --white: #ffffff;
    --black: #000000;
    --gray-50: #F7F6F3;
    --gray-100: #f1f0eb;
    --gray-200: #e0ded8;
    --gray-300: #cfcac0;
    --gray-400: #9a958a;
    --gray-500: #6f6b63;
    --gray-600: #4b4842;
    --gray-700: #3b3833;
    --gray-800: #2e2b27;
    --gray-900: #333333;
    
    /* Couleurs de fond modernes */
    --bg-primary: linear-gradient(180deg, #F7F6F3 0%, #eef3f8 100%);
    --bg-secondary: linear-gradient(135deg, #4A90E2 0%, #009688 100%);
    --bg-accent: linear-gradient(135deg, #FF6F3C 0%, #ff945f 100%);
    --bg-dark: linear-gradient(135deg, #2f3b46 0%, #1f2a30 100%);
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(74, 144, 226, 0.2);
    --glass-shadow: 0 14px 45px 0 rgba(74, 144, 226, 0.18);
    
    /* Typographie */
    --font-family: 'Sora', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Espacements */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;
    
    /* Ombres */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Bordures */
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --border-radius-2xl: 1.5rem;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-900);
    background-color: var(--gray-50);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(74, 144, 226, 0.15);
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 12px 35px rgba(74, 144, 226, 0.12);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo .logo {
    height: 40px;
    width: auto;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-8);
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--gray-700);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: var(--bg-primary);
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

@keyframes gradientShift {
    0%, 100% { transform: translateX(0) translateY(0); }
    33% { transform: translateX(30px) translateY(-30px); }
    66% { transform: translateX(-20px) translateY(20px); }
}

.hero-container {
   /* max-width: 1200px; */
    margin: 0 auto;
    padding: 0 var(--spacing-4);
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    background: linear-gradient(135deg, #0f172a 0%, #4A90E2 50%, #009688 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-8);
    line-height: 1.1;
    text-shadow: none;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--gray-700);
    margin-bottom: var(--spacing-6);
    line-height: 1.6;
    font-weight: 400;
    text-shadow: none;
}

.hero-process {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-2) var(--spacing-3);
    margin-bottom: var(--spacing-8);
}
.hero-process-step {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2) var(--spacing-4);
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(74, 144, 226, 0.25);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-800);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}
.hero-process-arrow {
    color: var(--primary-color);
    font-weight: 700;
    font-size: var(--font-size-base);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-4);
    flex-wrap: wrap;
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3) var(--spacing-6);
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: var(--font-size-base);
}

.btn-primary {
    background: var(--bg-secondary);
    color: var(--white);
    box-shadow: 0 12px 35px rgba(74, 144, 226, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

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

.btn-primary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 16px 45px rgba(255, 111, 60, 0.35);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.8);
    color: var(--gray-800);
    border: 1px solid rgba(74, 144, 226, 0.25);
    backdrop-filter: blur(10px);
    box-shadow: var(--glass-shadow);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 12px 40px rgba(255, 255, 255, 0.2);
}

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

.btn-outline:hover {
    background: var(--gray-100);
    border-color: var(--gray-400);
}

.btn-full {
    width: 100%;
}


/* Sections communes */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-16);
}

.section-tag {
    display: inline-block;
    background: var(--bg-secondary);
    color: var(--white);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--border-radius-xl);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-4);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-6);
}

.services .section-title,
.contact .section-title {
    color: var(--white);
}

.services .section-header,
.contact .section-header {
    position: relative;
    z-index: 1;
}

/* About Section */
.about {
    padding: var(--spacing-24) 0;
    background: var(--bg-primary);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 10% 20%, rgba(74, 144, 226, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(0, 150, 136, 0.12) 0%, transparent 50%);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
}

.about-text p {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    margin-bottom: var(--spacing-6);
    line-height: 1.7;
}

.about-text em {
    color: var(--primary-color);
    font-style: normal;
    font-weight: 600;
}

.method-step {
    margin-bottom: var(--spacing-8);
    padding: var(--spacing-6);
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--border-radius-lg);
    border-left: 4px solid var(--primary-color);
}

.method-step h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-3);
}

.method-step p {
    color: var(--gray-600);
    line-height: 1.7;
    margin: 0;
}

/* Section Notre approche : centrée, même largeur que mentions (900px) */
#methode .about-content {
    grid-template-columns: 1fr;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}
#methode .about-text {
    width: 100%;
}

.about-text strong {
    color: var(--gray-900);
    font-weight: 700;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-8);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-6);
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--border-radius-xl);
    border: 1px solid rgba(74, 144, 226, 0.18);
    box-shadow: 0 15px 35px rgba(74, 144, 226, 0.12);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.stat-item:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 25px 45px rgba(74, 144, 226, 0.22);
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-2);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    font-weight: 500;
}

/* Services Section */
.services {
    padding: var(--spacing-24) 0;
    background: var(--bg-dark);
    position: relative;
    overflow: hidden;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(74, 144, 226, 0.25) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 111, 60, 0.22) 0%, transparent 50%);
    animation: gradientShift 20s ease infinite;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-8);
}

.service-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: var(--spacing-8);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--glass-shadow);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.18);
    position: relative;
    z-index: 1;
}

.service-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 55px rgba(74, 144, 226, 0.35);
    border-color: rgba(255, 255, 255, 0.3);
}

.service-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-4);
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--spacing-4);
}

.service-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.service-card-featured {
    border: 2px solid rgba(255, 255, 255, 0.3);
    transform: scale(1.02);
    box-shadow: 0 20px 50px rgba(74, 144, 226, 0.4);
}

.service-features {
    list-style: none;
    padding: 0;
    margin-top: var(--spacing-6);
    text-align: left;
}

.service-features li {
    color: rgba(255, 255, 255, 0.9);
    padding: var(--spacing-2) 0;
    padding-left: var(--spacing-6);
    position: relative;
    font-size: var(--font-size-sm);
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: 700;
}

/* Portfolio Section */
.portfolio {
    padding: var(--spacing-24) 0;
    background: var(--bg-primary);
    position: relative;
}

.portfolio::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 30%, rgba(74, 144, 226, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(255, 111, 60, 0.08) 0%, transparent 50%);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-12);
}

.portfolio-item {
    background: var(--white);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid var(--gray-200);
    position: relative;
    z-index: 1;
}

.portfolio-item:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 50px rgba(74, 144, 226, 0.2);
}

.portfolio-image {
    height: 200px;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.portfolio-placeholder {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-500);
    text-align: center;
}

.portfolio-info {
    padding: var(--spacing-6);
}

.portfolio-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-2);
}

.portfolio-tech {
    font-size: var(--font-size-sm);
    color: var(--primary-color);
    font-weight: 500;
}

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

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
    margin-top: var(--spacing-4);
}

.tag {
    display: inline-block;
    padding: var(--spacing-1) var(--spacing-3);
    background: var(--primary-color);
    color: var(--white);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Contact Section */
.contact {
    padding: var(--spacing-24) 0;
    background: var(--bg-dark);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(74, 144, 226, 0.22) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 111, 60, 0.22) 0%, transparent 50%);
    animation: gradientShift 25s ease infinite;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-8);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    padding: var(--spacing-6);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--glass-shadow);
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.contact-item:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 20px 45px rgba(74, 144, 226, 0.35);
}

.contact-icon {
    font-size: var(--font-size-2xl);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    color: var(--white);
    border-radius: var(--border-radius-lg);
}

.contact-details h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--spacing-1);
}

.contact-details p {
    color: rgba(255, 255, 255, 0.8);
}

/* Form */
.contact-form {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: var(--spacing-8);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--glass-shadow);
    border: 1px solid var(--glass-border);
    position: relative;
    z-index: 1;
}

.form-need-cta {
    margin-bottom: var(--spacing-6);
}
.form-need-cta-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-3);
}
.form-need-chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
}
.need-chip,
.delai-chip {
    padding: var(--spacing-2) var(--spacing-4);
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius-lg);
    background: var(--white);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--gray-700);
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s, color 0.2s;
}
.need-chip:hover,
.delai-chip:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}
.need-chip.is-selected,
.delai-chip.is-selected {
    border-color: var(--primary-color);
    background: rgba(74, 144, 226, 0.1);
    color: var(--primary-color);
}

.form {
    position: relative;
}

.form-group {
    margin-bottom: var(--spacing-6);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--spacing-2);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-4);
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: border-color 0.3s ease;
    background: var(--white);
}

.form-group select {
    cursor: pointer;
    appearance: auto;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.checkbox {
    display: grid;
    grid-template-columns: 18px 1fr;
    column-gap: var(--spacing-3);
    align-items: start;
    font-size: var(--font-size-sm);
    color: var(--gray-700);
}

.checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
}

.checkbox span {
    display: block;
    line-height: 1.4;
}

.cf-turnstile {
    max-width: 100%;
}

.form-status {
    min-height: 24px;
    margin-bottom: var(--spacing-4);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.form-status.is-success {
    color: #16a34a;
}

.form-status.is-error {
    color: #dc2626;
}

.honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.btn.btn-full {
    position: relative;
}

.btn-spinner {
    position: absolute;
    right: var(--spacing-4);
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-top-color: var(--white);
    border-radius: 50%;
    opacity: 0;
    animation: spin 0.8s linear infinite;
}

.btn.is-loading .btn-spinner {
    opacity: 1;
}

.btn.is-loading .btn-text {
    opacity: 0.7;
}

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

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--white);
    padding: var(--spacing-16) 0 var(--spacing-8);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(74, 144, 226, 0.18) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 150, 136, 0.18) 0%, transparent 50%);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-8);
    padding-bottom: var(--spacing-8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 1;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-2) var(--spacing-4);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
}
.footer-logo .logo {
    height: 44px;
    width: auto;
    display: block;
    vertical-align: middle;
}

.footer-social h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-4);
}

.social-links {
    display: flex;
    gap: var(--spacing-4);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-lg);
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid var(--glass-border);
}

.social-link:hover {
    background: var(--bg-secondary);
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 10px 20px rgba(74, 144, 226, 0.3);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
    position: relative;
    z-index: 1;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-bottom a:hover {
    color: var(--white);
}

.back-to-top {
    background: var(--bg-secondary);
    color: var(--white);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--border-radius-lg);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(74, 144, 226, 0.3);
}

.back-to-top:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(255, 111, 60, 0.4);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: #F7F6F3;
        flex-direction: column;
        justify-content: start;
        padding: var(--spacing-8);
        transition: left 0.3s ease;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-6);
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-4);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-3);
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .about-stats {
        flex-direction: row;
        gap: var(--spacing-4);
    }
    
    .stat-item {
        flex: 1;
        padding: var(--spacing-4);
    }
    
    .stat-number {
        font-size: var(--font-size-2xl);
    }
}

/* Animations et transitions */
@media (prefers-reduced-motion: no-preference) {
    .service-card,
    .portfolio-item,
    .contact-item {
        transition: all 0.3s ease;
    }
}

/* Accessibilité */
@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
    }
}

/* Focus visible pour l'accessibilité */
.btn:focus-visible,
.nav-link:focus-visible,
.social-link:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .navbar,
    .hero-buttons,
    .contact-form,
    .footer {
        display: none;
    }
    
    .hero {
        padding: var(--spacing-8) 0;
    }
    
    .section-title {
        color: var(--gray-900) !important;
    }
}


/* Mentions légales */
.mentions {
    padding: var(--spacing-24) 0;
    background: var(--bg-secondary);
}

.mentions-content {
    max-width: 900px;
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-8);
    border: 1px solid var(--gray-200);
    box-shadow: 0 10px 30px rgba(0,0,0,0.06);
}

.mentions-content h3 {
    color: var(--gray-800);
    font-size: var(--font-size-lg);
    margin-top: var(--spacing-6);
    margin-bottom: var(--spacing-3);
}
.mentions-content h3:first-of-type {
    margin-top: 0;
}
.mentions-content p {
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: var(--spacing-4);
}

.mentions-content ul {
    padding-left: 1.2rem;
    color: var(--gray-700);
    line-height: 1.7;
}
.mentions-content a {
    color: var(--primary-color);
    text-decoration: underline;
}
.mentions-content a:hover {
    color: var(--primary-dark);
}
.mentions-content a.btn-primary,
.mentions-content a.btn-primary:hover {
    color: var(--white);
    text-decoration: none;
}