/* =====================================================
   STYLES CSS - GUERARD, c'est vous
   Site web Engagements
   ===================================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f7f6; /* Fallback color */
}

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

/* =====================================================
   HEADER & NAVIGATION
   ===================================================== */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: #667eea;
    text-decoration: none;
    transition: color 0.3s ease;
}

.logo:hover {
    color: #764ba2;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: linear-gradient(45deg, #667eea, #764ba2);
    transition: width 0.3s ease;
}

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

.nav-links a:hover {
    color: #667eea;
}

/* =====================================================
   HERO SECTION - CARROUSEL
   ===================================================== */
.hero {
    height: 100vh;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-carousel {
    position: absolute;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1.5s ease-in-out, transform 1.5s ease-in-out;
    transform: scale(1.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

.hero-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

/* Images de fond pour chaque slide */
.hero-slide:nth-child(1) {
    background-image: url('/img/Photo_1.jpg?w=1920&h=1080&fit=crop&crop=face');
}

.hero-slide:nth-child(2) {
    background-image: url('/img/Photo_2.jpg?w=1920&h=1080&fit=crop');
}

.hero-slide:nth-child(3) {
    background-image: url('/img/Photo_3.jpg?w=1920&h=1080&fit=crop');
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    max-width: 800px;
    padding: 0 20px;
    opacity: 0;
    transform: translateY(50px);
    transition: all 1s ease-out;
}

.hero-slide.active .hero-content {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.5s;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero .subtitle {
    font-size: 1.4rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.cta-button {
    display: inline-block;
    padding: 15px 40px;
    background: rgba(255, 255, 255, 0.9);
    color: #333;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    border: 2px solid rgba(255, 255, 255, 0.9);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
    background: #667eea;
    color: white;
    border-color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

/* Navigation du carrousel */
.hero-nav {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 3;
}

.hero-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.hero-dot.active {
    background: rgba(255, 255, 255, 0.9);
    transform: scale(1.2);
}

.hero-dot:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: scale(1.1);
}

/* Flèches de navigation */
.hero-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 3;
    color: white;
    font-size: 1.2rem;
    backdrop-filter: blur(10px);
}

.hero-arrow:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-50%) scale(1.1);
}

.hero-arrow.prev {
    left: 30px;
}

.hero-arrow.next {
    right: 30px;
}

/* =====================================================
   MAIN CONTENT
   ===================================================== */
main {
    background: white;
    position: relative;
    z-index: 5; /* Ensure main content is above hero background */
}

.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(45deg, #667eea, #764ba2);
}

/* =====================================================
   SECTION À PROPOS
   ===================================================== */
.about {
    background: #f8f9ff;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: center;
    margin-top: 3rem;
}

.about-image {
    text-align: center;
}

.about-image img {
    width: 350px;
    height: 350px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid white;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2);
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
}

.about-text p {
    margin-bottom: 1.5rem;
}

.highlight {
    color: #667eea;
    font-weight: 600;
}

/* =====================================================
   SECTION ACTUALITÉS
   ===================================================== */
   .news-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-top: 3rem;
}

.news-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(102, 126, 234, 0.1);
    flex: 0 1 calc(50% - 1rem);
}

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

.news-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 15px 15px 0 0;
}

.news-content {
    padding: 1.5rem;
}

.news-title {
    font-size: 1.2rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.news-excerpt {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: #999;
}

.read-more {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: #764ba2;
}


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

  .projects {
            background: #f5f7fa;
        }

        .projects-grid {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 2rem;
            margin-top: 3rem;
        }

        .project-card {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            flex: 0 1 calc(50% - 1rem);
        }

        .project-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(45deg, #667eea, #764ba2);
        }

        .project-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        }

        .project-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(45deg, #667eea, #764ba2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            color: white;
            font-size: 1.5rem;
        }

        .project-title {
            font-size: 1.3rem;
            font-weight: bold;
            color: #333;
            margin-bottom: 1rem;
        }

        .project-description {
            color: #666;
            line-height: 1.6;
        }

/* =====================================================
   SECTION PROGRAMME
   ===================================================== */
.programme {
    background: #fff5f5;
}

.programme-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.programme-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border-left: 4px solid #667eea;
}

.programme-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    border-left-color: #764ba2;
}

.programme-number {
    display: inline-block;
    width: 30px;
    height: 30px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    text-align: center;
    line-height: 30px;
    border-radius: 50%;
    font-weight: bold;
    margin-bottom: 1rem;
}

.programme-title {
    font-size: 1.2rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 1rem;
}

.programme-description {
    color: #666;
    line-height: 1.6;
}

/* =====================================================
   SECTION CONTACT
   ===================================================== */
.contact {
    background: #f0f8ff;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.contact-info {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    color: white;
    font-size: 1.2rem;
}

.contact-details h4 {
    color: #333;
    margin-bottom: 0.5rem;
}

.contact-details p {
    color: #666;
    margin: 0;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

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

.form-group label {
    display: block;
    color: #333;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

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

.submit-btn {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

/* =====================================================
   FOOTER
   ===================================================== */
footer {
    background: #333;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: #667eea;
    margin-bottom: 1rem;
}

.footer-section p,
.footer-section li {
    color: #ccc;
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #667eea;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-link {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: #667eea;
    color: white;
    text-align: center;
    line-height: 40px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: #764ba2;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #555;
    color: #999;
}

.footer-bottom a {
    color: inherit;
}

.footer-bottom a:visited {
    color: inherit;
}


/* =====================================================
   MENU MOBILE
   ===================================================== */
.mobile-menu {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.mobile-menu span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}
.mobile-menu.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}
.mobile-menu.active span:nth-child(2) {
    opacity: 0;
}
.mobile-menu.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}


/* =====================================================
   ANIMATIONS
   ===================================================== */
.fade-in, .slide-in-left, .slide-in-right {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in {
    transform: translateY(50px);
}

.slide-in-left {
    transform: translateX(-50px);
}

.slide-in-right {
    transform: translateX(50px);
}

.fade-in.visible, .slide-in-left.visible, .slide-in-right.visible {
    opacity: 1;
    transform: translateY(0) translateX(0);
}


/* =====================================================
   CLASSES UTILITAIRES
   ===================================================== */
.text-center {
    text-align: center;
}

.text-primary {
    color: #667eea;
}

.bg-primary {
    background: linear-gradient(45deg, #667eea, #764ba2);
}

.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 2rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 2rem; }

/* =====================================================
   RESPONSIVE DESIGN
   ===================================================== */
   @media (max-width: 1175px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu {
        display: flex;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero .subtitle {
        font-size: 1.1rem;
    }

    .hero-arrow {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .hero-arrow.prev {
        left: 15px;
    }

    .hero-arrow.next {
        right: 15px;
    }

    .hero-nav {
        bottom: 20px;
    }

    .section-title {
        font-size: 2rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-text {
        text-align: left;
    }

    .about-image img {
        width: 200px;
        height: 200px;
    }

    .programme-grid {
        grid-template-columns: 1fr;
    }

    .project-card, .news-card {
        flex-basis: 100%;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        height: 80vh;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero .subtitle {
        font-size: 1rem;
    }

    .cta-button {
        padding: 12px 30px;
        font-size: 0.9rem;
    }

    .hero-arrow {
        display: none;
    }

    .section {
        padding: 60px 0;
    }

    .project-card,
    .news-card,
    .programme-item,
    .contact-info,
    .contact-form {
        padding: 1.5rem;
    }
}