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

:root {
    --primary-color: #3b82f6;
    --secondary-color: #1d4ed8;
    --accent-color: #06b6d4;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --text-color: #334155;
    --border-color: #e2e8f0;
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.15);
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--primary-color);
}

.nav-logo img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
    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: var(--gradient-primary);
    transition: width 0.3s ease;
}

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

/* Boutons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background: #fff;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    opacity: 1;
    box-shadow: var(--shadow);
    transition: background 0.3s, color 0.3s;
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: #fff;
    transform: translateY(-2px);
    opacity: 1;
    box-shadow: var(--shadow-hover);
}

/* Section Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-text h2 {
    font-size: 1.5rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1rem;
}

.hero-text p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
}

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

.hero-visual {
    position: relative;
    height: 400px;
}

.floating-elements {
    position: relative;
    width: 100%;
    height: 100%;
}

.element {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: float 6s ease-in-out infinite;
}

.element-1 {
    width: 100px;
    height: 100px;
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.element-2 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 20%;
    animation-delay: 2s;
}

.element-3 {
    width: 80px;
    height: 80px;
    bottom: 20%;
    left: 50%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Container général */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--dark-color);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* Section Projet */
.project-section {
    padding: 6rem 0;
    background: white;
}

.project-content {
    display: flex;
    flex-direction: column;
    gap: 4rem;
    align-items: center;
}

.project-info {
    text-align: center;
    max-width: 800px;
}

.project-info h3 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.project-info p {
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.project-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--light-color);
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.feature:hover {
    transform: translateY(-2px);
}

.feature i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.video-container {
    max-width: 560px;
    margin: 2rem auto;
    width: 100%;
}

/* Taille plus grande pour PC uniquement */
@media (min-width: 768px) {
    .video-container {
        max-width: 800px;
        margin: 3rem auto;
    }
}

@media (min-width: 1024px) {
    .video-container {
        max-width: 1000px;
        margin: 4rem auto;
    }
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 ratio */
    height: 0;
    overflow: hidden;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 16px;
}

.video-container.video-center {
    display: flex;
    justify-content: center;
    margin: 2.5rem 0 0 0;
}

.video-container.video-center .video-wrapper {
    width: 100%;
    max-width: 700px;
    min-width: 320px;
}

.video-container.video-center iframe {
    width: 100%;
    min-height: 340px;
    border-radius: 16px;
}

/* Placeholder pour la vidéo */
.video-placeholder {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border: 2px dashed #cbd5e1;
    border-radius: 16px;
    padding: 4rem 2rem;
    text-align: center;
    min-height: 340px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.video-placeholder:hover {
    background: linear-gradient(135deg, #f1f5f9 0%, #cbd5e1 100%);
    border-color: #94a3b8;
}

.placeholder-content h4 {
    color: var(--dark-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.placeholder-content p {
    color: var(--text-color);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* Section Carte de Visite */
.card-section {
    padding: 6rem 0;
    background: var(--light-color);
}

.card-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.business-card {
    width: 500px;
    height: 300px;
    perspective: 1000px;
    cursor: pointer;
}

.card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.8s;
    transform-style: preserve-3d;
}

.business-card.flipped .card-inner {
    transform: rotateY(180deg);
}

.card-front, .card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card-front img, .card-back img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-back {
    transform: rotateY(180deg);
}

.card-controls {
    display: flex;
    gap: 1rem;
}

/* Section Contact */
.contact-section {
    padding: 6rem 0;
    background: white;
}

.contact-content {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 600px;
}

.contact-item {
    min-height: 110px;
    height: 110px;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--light-color);
    border-radius: 12px;
    transition: transform 0.3s ease;
    box-sizing: border-box;
}

.contact-item:hover {
    transform: translateY(-2px);
}

.contact-item i,
.contact-item .social-logo {
    font-size: 2rem;
    color: var(--primary-color);
    width: 50px;
    text-align: center;
    flex-shrink: 0;
}

.contact-item h4 {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.contact-item a:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 1.2rem;
}

.footer-logo img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

.footer-social-logo {
    width: 24px;
    height: 24px;
    transition: transform 0.3s ease;
}

.footer-social a:hover .footer-social-logo {
    transform: scale(1.1); /* Effet de zoom au survol au lieu de changer les couleurs */
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .project-content {
        flex-direction: column;
        gap: 2rem;
    }
    
    .contact-content {
        flex-direction: column;
        gap: 2rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .business-card {
        width: 400px;
        height: 240px;
    }
    
    .hero {
        padding-top: 200px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .project-features {
        grid-template-columns: 1fr;
    }
    
    .business-card {
        width: 320px;
        height: 192px;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Scroll smooth */
html {
    scroll-behavior: smooth;
}

.contact-row {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.contact-row-center {
    justify-content: center;
    margin-bottom: 0;
}

.contact-row .contact-item {
    min-width: 220px;
}