:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #eff6ff;
    --secondary: #0f172a;
    --text-main: #334155;
    --text-light: #64748b;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border: #e2e8f0;
    --radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --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);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    line-height: 1.6;
    background-color: var(--bg-white);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4 {
    color: var(--secondary);
    line-height: 1.2;
    font-weight: 700;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 1rem; }
h3 { font-size: 1.25rem; margin-bottom: 0.5rem; }

.subtitle {
    display: inline-block;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.text-center { text-align: center; }
.text-white { color: #fff; }
.text-white h2, .text-white h3 { color: #fff; }

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.125rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-outline {
    background-color: transparent;
    border-color: white;
    color: white;
}

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

.btn-whatsapp {
    background-color: #25D366;
    border-color: #25D366;
    color: white;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-whatsapp:hover {
    background-color: #1ebe57;
    border-color: #1ebe57;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 10px 0;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary);
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a:not(.btn) {
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:not(.btn):hover {
    color: var(--primary);
}

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

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: url('/static/hero-bg.jpg') center/cover no-repeat;
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(to right, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.4));
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    color: white;
}

.hero-content h1 {
    color: white;
    margin: 1.5rem 0;
}

.hero-content p {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    max-width: 600px;
}

.badge {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    backdrop-filter: blur(4px);
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Sections */
.section {
    padding: 100px 0;
}

.bg-light { background-color: var(--bg-light); }
.bg-dark { background-color: var(--secondary); }

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

.section-header p {
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.125rem;
}

.grid {
    display: grid;
    gap: 30px;
}

/* Features */
.features-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.feature-card {
    background: var(--bg-white);
    padding: 40px 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background: var(--primary);
    color: white;
}

.feature-card p {
    color: var(--text-light);
}

/* Services */
.services-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.service-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-card img {
    width: 100%;
    height: 240px;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: var(--transition);
}

.service-card:hover img {
    transform: scale(1.05);
}

.service-content {
    padding: 30px;
    background: var(--bg-white);
    position: relative;
}

.service-content p {
    color: var(--text-light);
}

/* Timeline Process */
.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: rgba(255, 255, 255, 0.1);
}

.timeline-item {
    position: relative;
    padding-left: 80px;
    margin-bottom: 3rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-number {
    position: absolute;
    left: 0;
    top: 0;
    width: 62px;
    height: 62px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    border: 6px solid var(--secondary);
}

.timeline-content h3 {
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: rgba(255, 255, 255, 0.7);
}

/* CTA Box */
.cta-box {
    background: var(--primary-light);
    border-radius: 24px;
    padding: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.cta-content {
    flex: 1;
}

.check-list {
    margin-top: 1.5rem;
}

.check-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.check-list i {
    color: var(--primary);
    font-size: 1.25rem;
}

/* Badges & Specific Headers */
.client-type-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 2rem;
    margin-top: 2rem;
    border-bottom: 2px solid var(--primary-light);
    padding-bottom: 10px;
}

.client-type-title i {
    font-size: 1.8rem;
}

.client-badge {
    position: absolute;
    top: -15px;
    right: 20px;
    background: var(--primary);
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

.client-badge.pro {
    background: var(--secondary);
}

.mt-4 { margin-top: 4rem; }
.w-100 { width: 100%; }

/* Contact Section & Form */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: flex-start;
}

.contact-info p {
    color: var(--text-light);
    margin-bottom: 2rem;
    font-size: 1.125rem;
}

.contact-details-box {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.contact-item i {
    font-size: 1.8rem;
    color: var(--primary);
    background: var(--primary-light);
    padding: 12px;
    border-radius: 12px;
}

.contact-item h4 {
    margin-bottom: 0.25rem;
    font-size: 1.1rem;
}

.contact-item a, .contact-item p {
    color: var(--text-light);
    font-size: 1rem;
    transition: var(--transition);
}

.contact-item a:hover {
    color: var(--primary);
}

.contact-form-container {
    background: var(--bg-white);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
}

.custom-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.custom-form .form-group {
    margin-bottom: 1.5rem;
}

.custom-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--secondary);
    font-size: 0.95rem;
}

.custom-form input[type="text"],
.custom-form input[type="email"],
.custom-form input[type="tel"],
.custom-form select,
.custom-form textarea {
    width: 100%;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--bg-light);
}

.custom-form input:focus,
.custom-form select:focus,
.custom-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-light);
    background-color: var(--bg-white);
}

.radio-group {
    display: flex;
    gap: 20px;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    cursor: pointer;
}

.radio-label input {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

/* Footer */
.footer {
    background: var(--secondary);
    color: white;
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-info h3 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.footer-info h3 span {
    color: var(--primary);
}

.footer-info p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 1.5rem;
}

.contact-details a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: white;
    margin-bottom: 10px;
    transition: var(--transition);
}

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

.footer-links h4 {
    color: white;
    margin-bottom: 1.5rem;
}

.footer-links a {
    display: block;
    color: rgba(255,255,255,0.7);
    margin-bottom: 10px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.5);
    font-size: 0.875rem;
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* Responsive & Mobile Optimization */
@media (max-width: 992px) {
    .cta-box {
        flex-direction: column;
        text-align: center;
        padding: 30px 20px;
    }
    
    .check-list li {
        justify-content: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .custom-form .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    body {
        padding-bottom: 70px; /* Espace réservé pour la barre fixe en bas sur mobile */
    }

    .container {
        padding-left: 16px;
        padding-right: 16px;
    }

    .section {
        padding: 50px 0;
    }

    .hero {
        min-height: auto;
        padding-top: 110px;
        padding-bottom: 50px;
    }

    .hero-content h1 {
        font-size: clamp(1.8rem, 6.5vw, 2.4rem);
        line-height: 1.25;
        margin: 1rem 0;
    }

    .hero-content p {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
        gap: 12px;
    }

    .hero-actions .btn {
        width: 100%;
        min-height: 48px;
        font-size: 1rem;
    }

    /* Navigation Mobile */
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: #ffffff;
        padding: 20px;
        box-shadow: 0 10px 25px rgba(0,0,0,0.15);
        border-bottom: 3px solid var(--primary);
        gap: 12px;
    }
    
    .nav-links.active {
        display: flex;
        animation: slideDown 0.25s ease-out;
    }
    
    .mobile-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        font-size: 1.5rem;
        border-radius: 8px;
        border: 1px solid var(--border);
        background: var(--bg-light);
        cursor: pointer;
    }

    /* Champs de formulaire adaptés aux écrans tactiles (évite le zoom iOS) */
    input[type="text"],
    input[type="tel"],
    input[type="email"],
    select,
    textarea {
        font-size: 16px !important;
        padding: 14px;
    }

    /* Barre d'action rapide fixe en bas sur mobile */
    .mobile-floating-bar {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: rgba(15, 23, 42, 0.95);
        backdrop-filter: blur(10px);
        padding: 10px 12px;
        gap: 10px;
        z-index: 9999;
        box-shadow: 0 -4px 20px rgba(0,0,0,0.25);
        border-top: 1px solid rgba(255,255,255,0.1);
    }

    .mobile-floating-bar .btn-mobile-call {
        flex: 1;
        background: var(--primary);
        color: #ffffff;
        text-decoration: none;
        padding: 12px 8px;
        border-radius: 25px;
        font-weight: 600;
        font-size: 0.95rem;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
        box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
    }

    .mobile-floating-bar .btn-mobile-wa {
        flex: 1;
        background: #25D366;
        color: #ffffff;
        text-decoration: none;
        padding: 12px 8px;
        border-radius: 25px;
        font-weight: 600;
        font-size: 0.95rem;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
        box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    }
}

@media (min-width: 769px) {
    .mobile-floating-bar {
        display: none !important;
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}