body {
    font-family: 'Roboto', sans-serif;
    background-color: #f9f9f9;
    margin: 0; padding: 0;
}
header.sticky-top {
    position: sticky;
    top: 0;
    z-index: 1030;
    /* Effet liquid glass */
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    background-color: rgba(44, 62, 80, 0.75);
    box-shadow: 0 2px 18px rgba(0,0,0,0.14);
    transition: background-color 0.3s;
}
.navbar {
    background-color: transparent !important;
/* laisse le header gérer le fond */
}
header nav a, header nav strong {
    color: white !important;
}
.parallax-section-header {
    position: relative;
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.parallax-section {
    position: relative;
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.parallax-overlay {
    background: rgba(44,62,80,0.55);
    position: absolute;
    inset: 0;
    z-index: 1;
}
.parallax-content {
    position: relative;
    z-index: 2;
    color: white;
    text-align: center;
    width: 100%;
    padding: 2rem 1rem;
}
.parallax-content h1, 
.parallax-content h2 {
    text-shadow: 0 3px 12px #222;
    font-weight: bold;
    letter-spacing: 1px;
}
.section-title {
    margin-top: 3rem;
    margin-bottom: 2rem;
    text-align: center;
}
.tarif {
    background-color: #ecf0f1;
    border-radius: 0.375rem;
    padding: 1rem;
    height: 100%;
}
.img-portrait {
    max-width: 280px; 
    width: 100%;
    border-radius: 50%;
    box-shadow: 0 4px 24px #bbb;
    margin: 0 auto 2rem auto;
    display: block;
}
footer {
    background-color: #2c3e50;
    color: white;
    padding: 1.5rem;
    text-align: center;
    margin-top: 2rem;
}
@media (max-width: 900px) {
    .parallax-section,
    .parallax-section-header { 
        background-attachment: scroll; 
    }
}
/* ... tes autres styles ... */
.btn-outline-light:hover, 
.btn-outline-light:focus {
    background-color: #ffffff !important;
    color: #2c3e50 !important;
    border-color: #2c3e50 !important;
}
.scroll-top {
    position: fixed;
    bottom: 50px;
    right: 40px;
    z-index: 20;
    background: #2c3e50 !important;
    color: white;
    border-radius: 50%;
    padding: 0.65em 0.82em;
    border: none;
    font-size: 1.5em;
    box-shadow: 0 2px 12px #0002;
    display: none;
}