/* Reset et styles de base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
    --primary-color: #6c63ff;
    --secondary-color: #4d44db;
    --dark-color: #2f2e41;
    --light-color: #f8f9fa;
    --text-color: #333;
    --text-light: #777;
    --white: #fff;
    --black: #000;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--light-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    position: relative;
}

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

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
    border: none;
    outline: none;
}

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

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(108, 99, 255, 0.3);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(108, 99, 255, 0.3);
}

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

.header.scrolled {
    padding: 10px 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark-color);
    text-decoration: none;
}

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

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    position: relative;
}

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

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

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

.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger .line {
    width: 25px;
    height: 3px;
    background-color: var(--dark-color);
    margin: 5px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

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

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

/* Animated Banner */
.animated-banner {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.circle {
    position: absolute;
    display: block;
    background: rgba(108, 99, 255, 0.1);
    border-radius: 50%;
    animation: animate 15s linear infinite;
    bottom: -150px;
}

.circle:nth-child(1) {
    width: 80px;
    height: 80px;
    left: 25%;
    animation-delay: 0s;
}

.circle:nth-child(2) {
    width: 100px;
    height: 100px;
    left: 10%;
    animation-delay: 2s;
    animation-duration: 12s;
}

.circle:nth-child(3) {
    width: 60px;
    height: 60px;
    left: 70%;
    animation-delay: 4s;
}

.circle:nth-child(4) {
    width: 80px;
    height: 80px;
    left: 40%;
    animation-delay: 0s;
    animation-duration: 18s;
}

.circle:nth-child(5) {
    width: 50px;
    height: 50px;
    left: 65%;
    animation-delay: 0s;
}

.circle:nth-child(6) {
    width: 90px;
    height: 90px;
    left: 75%;
    animation-delay: 3s;
}

.circle:nth-child(7) {
    width: 120px;
    height: 120px;
    left: 35%;
    animation-delay: 7s;
}

.circle:nth-child(8) {
    width: 70px;
    height: 70px;
    left: 50%;
    animation-delay: 15s;
    animation-duration: 45s;
}

.circle:nth-child(9) {
    width: 45px;
    height: 45px;
    left: 20%;
    animation-delay: 2s;
    animation-duration: 35s;
}

.circle:nth-child(10) {
    width: 85px;
    height: 85px;
    left: 85%;
    animation-delay: 0s;
    animation-duration: 11s;
}

@keyframes animate {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(-1000px) rotate(720deg);
        opacity: 0;
    }
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--white);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(108, 99, 255, 0.1);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background-color: rgba(108, 99, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 2rem;
    transition: var(--transition);
}

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

.service-card h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
}

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

/* About Section */
.about-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-text {
    flex: 1;
}

.about-image {
    flex: 1;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

.about-image:hover img {
    transform: scale(1.05);
}

.stats {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
}

.stat-text {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Portfolio Section */
.portfolio-filter {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 10px;
}

.filter-btn {
    padding: 8px 20px;
    background-color: transparent;
    border: 1px solid #ddd;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
}

.filter-btn:hover, .filter-btn.active {
    background-color: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.portfolio-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    height: 250px;
}

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

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(77, 68, 219, 0.8);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition);
    color: var(--white);
    text-align: center;
    padding: 20px;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-overlay h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.portfolio-overlay p {
    margin-bottom: 20px;
}

.portfolio-link {
    width: 50px;
    height: 50px;
    background-color: var(--white);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
}

.portfolio-link:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: rotate(45deg);
}

/* Testimonials Section */
.testimonials {
    background-color: var(--white);
}

.testimonials-slider {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 30px;
    padding: 20px 0;
    scrollbar-width: none; /* Firefox */
}

.testimonials-slider::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

.testimonial-card {
    min-width: 350px;
    background-color: var(--light-color);
    padding: 30px;
    border-radius: 10px;
    scroll-snap-align: start;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.testimonial-content {
    position: relative;
    margin-bottom: 30px;
}

.quote-icon {
    position: absolute;
    top: -20px;
    left: -10px;
    font-size: 3rem;
    color: rgba(108, 99, 255, 0.1);
    z-index: 1;
}

.testimonial-content p {
    position: relative;
    z-index: 2;
    font-style: italic;
    color: var(--text-light);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info h4 {
    margin-bottom: 5px;
}

.author-info p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Contact Section */
.contact-content {
    display: flex;
    gap: 50px;
}

.contact-info {
    flex: 1;
}

.contact-form {
    flex: 1;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(108, 99, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-right: 20px;
    flex-shrink: 0;
}

.contact-text h3 {
    margin-bottom: 10px;
    font-size: 1.2rem;
}

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

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.2);
}

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

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.footer-about h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
}

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

.footer-about p {
    color: #aaa;
    margin-bottom: 20px;
}

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

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

.social-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-5px);
}

.footer-links h3,
.footer-services h3,
.footer-newsletter h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h3::after,
.footer-services h3::after,
.footer-newsletter h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-links ul,
.footer-services ul {
    list-style: none;
}

.footer-links li,
.footer-services li {
    margin-bottom: 10px;
}

.footer-links a,
.footer-services a {
    color: #aaa;
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover,
.footer-services a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-newsletter p {
    color: #aaa;
    margin-bottom: 20px;
}

.footer-newsletter form {
    display: flex;
}

.footer-newsletter input {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 5px 0 0 5px;
    outline: none;
}

.footer-newsletter button {
    width: 50px;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 0 5px 5px 0;
    cursor: pointer;
    transition: var(--transition);
}

.footer-newsletter button:hover {
    background-color: var(--secondary-color);
}

.footer-bottom {
    background-color: rgba(0, 0, 0, 0.2);
    padding: 20px 0;
    text-align: center;
}

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

/* Scroll Top Button */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 5px 15px rgba(108, 99, 255, 0.3);
}

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

.scroll-top:hover {
    background-color: var(--secondary-color);
    transform: translateY(-5px);
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-title {
        font-size: 2.8rem;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .contact-content {
        flex-direction: column;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--white);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
        z-index: 999;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-links li {
        margin: 15px 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .stats {
        flex-direction: column;
        gap: 20px;
    }
}

@media (max-width: 576px) {
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonial-card {
        min-width: 280px;
    }
}

/* STYLES MODERNES DU FORMULAIRE */
.contact-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    background: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.modern-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-header {
    text-align: center;
    margin-bottom: 1rem;
}

.form-header h2 {
    font-size: 2rem;
    color: #2f2e41;
    margin-bottom: 0.5rem;
    background: linear-gradient(90deg, #6c63ff 0%, #4d44db 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.form-header p {
    color: #777;
    font-size: 1rem;
}

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

.form-group.floating input,
.form-group.floating textarea {
    width: 100%;
    padding: 1rem 0.5rem 0.5rem;
    border: none;
    border-bottom: 2px solid #e0e0e0;
    background-color: transparent;
    font-size: 1rem;
    transition: all 0.3s ease;
}

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

.form-group.floating label {
    position: absolute;
    top: 1rem;
    left: 0.5rem;
    color: #777;
    pointer-events: none;
    transition: all 0.3s ease;
}

.form-group.floating input:focus,
.form-group.floating textarea:focus,
.form-group.floating input:not(:placeholder-shown),
.form-group.floating textarea:not(:placeholder-shown) {
    outline: none;
    border-bottom-color: #6c63ff;
}

.form-group.floating input:focus + label,
.form-group.floating textarea:focus + label,
.form-group.floating input:not(:placeholder-shown) + label,
.form-group.floating textarea:not(:placeholder-shown) + label {
    top: -0.5rem;
    left: 0;
    font-size: 0.8rem;
    color: #6c63ff;
}

.underline {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #6c63ff;
    transition: width 0.3s ease;
}

.form-group.floating input:focus ~ .underline,
.form-group.floating textarea:focus ~ .underline {
    width: 100%;
}

.submit-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 1rem 2rem;
    background: linear-gradient(90deg, #6c63ff 0%, #4d44db 100%);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: fit-content;
    margin: 1rem auto 0;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(108, 99, 255, 0.3);
}

.submit-btn svg {
    transition: transform 0.3s ease;
}

.submit-btn:hover svg {
    transform: translateX(5px);
}

/* RESPONSIVE DESIGN */
@media (max-width: 768px) {
    .contact-container {
        padding: 1.5rem;
        border-radius: 15px;
    }
    
    .form-header h2 {
        font-size: 1.5rem;
    }
    
    .submit-btn {
        width: 100%;
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .contact-container {
        padding: 1rem;
        border-radius: 10px;
    }
    
    .modern-form {
        gap: 1rem;
    }
    
    .form-group.floating input,
    .form-group.floating textarea {
        padding: 0.8rem 0.5rem 0.3rem;
    }
}

.form-feedback {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    padding: 15px 25px;
    border-radius: 50px;
    color: white;
    font-weight: 600;
    z-index: 1000;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.form-feedback.success {
    background: linear-gradient(90deg, #4CAF50 0%, #2E7D32 100%);
}

.form-feedback.error {
    background: linear-gradient(90deg, #F44336 0%, #C62828 100%);
}

/* Animation shake pour les champs invalides */
.contact-form .was-validated input:invalid,
.contact-form .was-validated textarea:invalid {
    border-bottom-color: #F44336 !important;
    animation: shake 0.5s;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-5px); }
    40%, 80% { transform: translateX(5px); }
}