/* ============================================
   RESET & VARIABLES
   ============================================ */

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

:root {
    /* Couleurs principales */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    
    /* Couleurs neutres */
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray: #64748b;
    --gray-light: #cbd5e1;
    --white: #ffffff;
    --bg-light: #f8fafc;
    
    /* Typographie */
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'Poppins', sans-serif;
    
    /* Espacements */
    --section-padding: 100px 0;
    --container-max: 1200px;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    font-family: var(--font-heading);
    color: var(--dark);
    text-decoration: none;
}

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

.nav-menu {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-link {
    color: var(--dark);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    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: var(--transition);
}

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

.nav-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--dark);
    transition: var(--transition);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    padding: 180px 0 100px;
    background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(99,102,241,0.1) 0%, transparent 70%);
    border-radius: 50%;
    top: -100px;
    right: -100px;
    animation: float 20s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(139,92,246,0.08) 0%, transparent 70%);
    border-radius: 50%;
    bottom: -100px;
    left: -100px;
    animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, 30px); }
}

.hero-container {
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 800px;
}

.hero-tag {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(99,102,241,0.1);
    color: var(--primary-color);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
}

.hero-title {
    font-size: 56px;
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    color: #0f172a;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color) 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 18px;
    line-height: 1.8;
    color: #64748b;
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 60px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 600px;
}

.stat {
    text-align: left;
}

.stat-number {
    display: block;
    font-size: 36px;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.stat-label {
    display: block;
    font-size: 14px;
    color: var(--gray);
    font-weight: 500;
}

/* Responsive Hero */
@media (max-width: 768px) {
    .hero {
        padding: 140px 0 80px;
        min-height: auto;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }
    
    .stat-number {
        font-size: 28px;
    }
}
/* ============================================
   BOUTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    border-radius: 12px;
    font-family: var(--font-primary);
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #8b5cf6 100%);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background: var(--white);
    color: var(--dark);
    border: 2px solid var(--gray-light);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-submit {
    width: 100%;
    margin-top: 10px;
    padding: 18px 32px;
    font-size: 17px;
    letter-spacing: 0.3px;
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.5);
}

.btn-submit.loading {
    opacity: 0.7;
    cursor: not-allowed;
}

/* ============================================
   LANGUAGE SWITCHER
   ============================================ */

.lang-switcher {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: 20px;
    background: var(--bg-light);
    border-radius: 8px;
    padding: 4px;
}

.lang-btn {
    padding: 6px 12px;
    border: none;
    background: transparent;
    font-family: var(--font-primary);
    font-size: 13px;
    font-weight: 600;
    color: var(--gray);
    cursor: pointer;
    border-radius: 6px;
    transition: var(--transition);
}

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

.lang-btn:hover:not(.active) {
    color: var(--primary-color);
}

/* ============================================
   SECTIONS COMMUNES
   ============================================ */

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 18px;
    background: var(--bg-light);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--dark);
}

.section-description {
    font-size: 18px;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   SERVICES
   ============================================ */

.services {
    padding: var(--section-padding);
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    border: 2px solid var(--gray-light);
    border-radius: 16px;
    padding: 40px 30px;
    transition: var(--transition);
    position: relative;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    border-color: var(--primary-color);
}

.service-card.featured {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
}

.featured-badge {
    position: absolute;
    top: -15px;
    right: 20px;
    background: var(--primary-color);
    color: var(--white);
    padding: 6px 20px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
}

.service-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.service-title {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--dark);
}

.service-price {
    margin-bottom: 30px;
}

.price {
    font-size: 42px;
    font-weight: 700;
    font-family: var(--font-heading);
    color: var(--primary-color);
}

.price-label {
    font-size: 16px;
    color: var(--gray);
    margin-left: 5px;
}

.service-features {
    list-style: none;
    margin-bottom: 30px;
}

.service-features li {
    padding: 10px 0;
    color: var(--dark);
    font-size: 15px;
    border-bottom: 1px solid var(--gray-light);
}

.service-features li:last-child {
    border-bottom: none;
}

.service-time {
    background: var(--bg-light);
    padding: 12px;
    border-radius: 8px;
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 25px;
}

/* ============================================
   PROJETS
   ============================================ */

.projects {
    padding: var(--section-padding);
    background: var(--bg-light);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.project-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.project-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(99,102,241,0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-link {
    background: var(--white);
    color: var(--primary-color);
    padding: 12px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.project-link:hover {
    transform: scale(1.05);
}

.project-content {
    padding: 30px;
}

.project-tags {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.tag {
    background: var(--bg-light);
    color: var(--primary-color);
    padding: 5px 15px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
}

.project-title {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--dark);
}

.project-description {
    color: var(--gray);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 20px;
}

.project-features {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--dark);
}

.feature-icon {
    font-size: 18px;
}

/* ============================================
   CONTACT
   ============================================ */

.contact {
    padding: var(--section-padding);
    background: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-top: 60px;
}

.contact-info h3 {
    font-family: var(--font-heading);
    font-size: 24px;
    margin-bottom: 30px;
    color: var(--dark);
}

.info-item {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.info-icon {
    font-size: 24px;
    width: 50px;
    height: 50px;
    background: var(--bg-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.info-label {
    font-size: 13px;
    color: var(--gray);
    margin-bottom: 3px;
}

.info-value {
    color: var(--dark);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.info-value:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.social-link {
    padding: 10px 25px;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-color);
    color: var(--white);
}

.contact-form {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 16px;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 20px;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 15px;
    border: 2px solid var(--gray-light);
    border-radius: 8px;
    font-family: var(--font-primary);
    font-size: 15px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
}

.form-notice {
    text-align: center;
    font-size: 13px;
    color: var(--gray);
    margin-top: 15px;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--dark);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--dark-light);
}

.footer-brand .logo {
    color: var(--white);
    font-size: 28px;
}

.footer-brand p {
    color: var(--gray-light);
    margin-top: 10px;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: var(--gray-light);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    color: var(--gray-light);
    font-size: 14px;
}

.footer-bottom p {
    margin: 5px 0;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    
    .hamburger {
        display: flex;
    }

    .lang-switcher {
        margin-left: 0;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        padding: 20px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        transition: var(--transition);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-links {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    
    .hero-title {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
}

/* ============================================
   STATES ADDITIONNELS POUR LE JAVASCRIPT
   ============================================ */

/* Navbar transition */
.navbar {
    transition: all 0.3s ease, transform 0.3s ease;
}

/* Active link */
.nav-link.active {
    color: var(--primary-color);
}

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

/* Erreurs de formulaire */
.error-message {
    color: #ef4444;
    font-size: 12px;
    margin-top: 5px;
    display: block;
    animation: shake 0.3s ease;
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: #ef4444 !important;
    animation: shake 0.3s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Animations de notification */
@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

/* Hero content initial state */
.hero-content {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

/* Bouton scroll to top */
.scroll-top-btn:hover {
    transform: scale(1.1) !important;
    box-shadow: 0 8px 20px rgba(99,102,241,0.4) !important;
}

/* Mobile specific */
.mobile-device .hero-title {
    font-size: 32px;
}

.mobile-device .section-title {
    font-size: 36px;
}

/* Preloader (si tu en ajoutes un) */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.3s ease;
}

.preloader::after {
    content: '';
    width: 50px;
    height: 50px;
    border: 5px solid var(--gray-light);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* reCAPTCHA badge styling */
.grecaptcha-badge {
    visibility: hidden;
}

/* Info reCAPTCHA */
.recaptcha-info {
    font-size: 11px;
    color: var(--gray);
    text-align: center;
    margin-top: 10px;
    line-height: 1.4;
}

.recaptcha-info a {
    color: var(--primary-color);
    text-decoration: none;
}

.recaptcha-info a:hover {
    text-decoration: underline;
}