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

body {
    font-family: 'Manrope', sans-serif;
    background-color: #fff;
    color: #2e2e2e;
    line-height: 1.6;
}

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.link {
    color: #41855c;
    text-decoration: none;
    font-weight: 600;
    position: relative;
    transition: color 0.3s ease;
}

.link::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #58b67e;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.link:hover {
    color: #58b67e;
}

.link:hover::after {
    transform: scaleX(1);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.3rem;
    font-weight: 600;
    color: #2e2e2e;
    text-decoration: none;
}

.small-logo {
    height: 20px;
    width: auto;
}

.logo img {
    height: 56px;
    width: auto;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    text-decoration: none;
    color: #2e2e2e;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link.active {
    color: #58b67e;
    /* couleur active */
    font-weight: bold;
}

.nav-link:hover {
    color: #58b67e;
}

.hero {
    height: 100vh;
    background-color: #888;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    padding-top: 80px;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
    color: white;
    padding: 20px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.btn {
    padding: 0.75rem 1.5rem;
    margin: 0.25rem;
    background-color: #a8d5ba;
    color: #4b4b4b;
    text-decoration: none;
    border-radius: 30px;
    transition: background 0.3s ease;
}

.btn:hover {
    background-color: #90caa7;
}

section {
    text-align: center;
    scroll-margin-top: 80px;
    /* ajuste cette valeur selon la hauteur de ta navbar */

}

.section-image {
    width: 300px;
    height: auto;
    border-radius: 15px;
    object-fit: cover;
}

.container {
    max-width: 800px;
    margin: auto;
}

footer {
    text-align: center;
    padding: 2rem 1rem;
    font-size: 0.9rem;
    background-color: #fafafa;
    color: #888;
}



.courses {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.courses-img {
    width: 100%;
    height: 60vh;
    object-fit: cover;
    display: block;
    filter: brightness(60%);
    /* assombrit l’image pour que le texte ressorte */
}

.courses-img-long {
    width: 100%;
    height: 130vh;
    object-fit: cover;
    display: block;
    filter: brightness(60%);
    /* assombrit l’image pour que le texte ressorte */
}

.credit-photo {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background-color: rgba(0, 0, 0, 0.5);
    /* fond semi-transparent */
    color: white;
    padding: 4px 8px;
    font-size: 12px;
    border-radius: 4px;
    font-family: sans-serif;
}

.credit-photo a{
   
    color: white;
    font-size: 12px;
    font-family: sans-serif;
}


.courses-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    text-align: center;
    width: auto;
    /* valeur par défaut */
}

.courses-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.courses-text p {
    font-size: 1.2rem;
    line-height: 1.5;
}

.contact {
    padding: 1rem 1rem;
    background-color: #888;
    text-align: center;
}

.yoga-types {
    padding: 1rem 1rem;
    background-color: #f8f8f8;
    text-align: center;
}

.yoga-types h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #2e2e2e;
}

.yoga-types-image-wrapper {
    max-width: 800px;
    margin: 2rem auto;
    position: relative;
    overflow: hidden;
    border-radius: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.yoga-types-image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.4s ease, opacity 0.4s ease;
    border-radius: 1rem;
}

.yoga-types-image-wrapper:hover img {
    transform: scale(1.05);
    opacity: 0.95;
}

.yoga-grid {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.yoga-card {
    background: white;
    border-radius: 12px;
    padding-top: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    max-width: 400px;
    flex: 1 1 300px;
    transition: transform 0.3s ease;
}



.yoga-card:hover {
    transform: translateY(-5px);
}

.yoga-card img {
    width: auto;
    height: 50px;
    object-fit: cover;
}

.yoga-card h3 {
    font-size: 1.4rem;
    margin: 1rem 0 0.5rem;
    color: #333;
}

.yoga-card p {
    font-size: 1rem;
    padding: 0 1rem 1.5rem;
    color: #555;
}

.expandable-contenu {
    display: none;
    padding: 10px;
    border-radius: 15px;
    margin-top: 5px;
    height: 500px;
    /* hauteur fixe */
    overflow-y: auto;
    /* défilement vertical */
    background-color: rgba(0, 0, 0, 0.6);
    /* noir avec 60% d’opacité */

}

.expandable-btn {
    cursor: pointer;
    background-color: rgba(160, 255, 175, 0.6);
    /* vert semi-transparent */
    color: white;
    padding: 10px;
    border: none;
    font-size: 16px;
    border-radius: 5px;
}

.expandable-btn:hover {
    background-color: #0b0b0b;
}

.accordion {
    width: 100%;
}

.accordion-item {
    border-bottom: 1px solid #ccc;
}

.accordion-header {
    width: 100%;
    padding: 1em;
    background: #f1f1f1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.accordion-header .chevron {
    transition: transform 0.3s ease;
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 1em;
}

.accordion-content p {
    margin: 1em 0;
}

.accordion-header.active .chevron {
    transform: rotate(90deg);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        flex-direction: column;
        gap: 1rem;
        background: white;
        position: absolute;
        top: 70px;
        right: 0;
        display: none;
    }

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

    .hero h1 {
        font-size: 2.2rem;
    }

    .courses-text {
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 100%;
        height: auto;
        padding: 10px 20px;
        box-sizing: border-box;
    }

    .courses-text.expanded {
        top: 0;
        left: 0;
        transform: none;
        width: 100%;
        height: 100%;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        background: rgba(0, 0, 0, 0.6);
        /* facultatif pour lisibilité */
        padding: 20px;
    }

    .yoga-types h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
        color: #2e2e2e;
    }

    .btn {
        display: block;
        width: 100%;
        padding: 0.5rem 1rem;
        margin: 0.5rem 0;
        text-align: center;
    }

}