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

html,
body{
    min-height:100%;
}

body{
    min-height:100vh;
    display:flex;
    flex-direction:column;
    background:#f5f7fb;
    font-family:"Segoe UI",sans-serif;
    color:#333;
}

main{
    flex:1;
}

.container{
    width:min(1200px,95%);
    margin:40px auto;
}

/* Header */
.page-header{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding-bottom:40px;
    margin-bottom:30px;
    border-bottom:1px solid silver;
}

.page-header h2{
    font-size:2rem;
    color:#1f2937;
}

/* Hero */
.hero-chants{
    max-width:850px;
    margin:45px auto 55px;
    padding:0 20px;
    text-align:center;
}

.hero-chants h1{
    margin:0;
    font-family:"Cormorant Garamond",serif;
    font-size:clamp(2.2rem,4vw,3rem);
    font-weight:600;
    color:#334155;
    line-height:1.1;
}

.hero-divider{
    width:60px;
    height:3px;
    margin:16px auto 18px;
    border-radius:50px;
    background:#C9A66B;
}

.hero-chants p{
    max-width:650px;
    margin:auto;
    font-size:1rem;
    line-height:1.7;
    color:#64748b;
}

/* Choeurs */
.choeurs{
    display:flex;
    justify-content:center;
    flex-wrap:wrap;
    gap:12px;
    margin:40px 0;
}

.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    padding:8px 18px;
    border-radius:999px;
    border:1px solid #ddd;
    background:#fff;
    color:#4b5563;
    text-decoration:none;
    font-size:.92rem;
    font-weight:600;
    transition:.25s ease;
}

.btn:hover{
    background:#C9A66B;
    border-color:#C9A66B;
    color:#fff;
}

.btn.active{
    background:#C9A66B;
    border-color:#C9A66B;
    color:#fff;
}

/* Liste */
.chants{
    max-width:900px;
    margin:0 auto;
    display:flex;
    flex-direction:column;
    gap:20px;
}

/* Accordéon */
.chant{
    background:#fff;
    border-radius:15px;
    overflow:hidden;
    box-shadow:0 10px 25px rgba(0,0,0,.08);
}

.chant summary{
    display:flex;
    justify-content:space-between;
    align-items:center;
    cursor:pointer;
    list-style:none;
    padding:22px 30px;
    font-size:1.35rem;
    font-weight:700;
    color:#1f2937;
}

.chant summary::-webkit-details-marker{
    display:none;
}

.chant summary::after{
    content:"⌄";
    font-size:2rem;
    color:#999;
    transition:.25s;
}

.chant[open] summary::after{
    transform:rotate(180deg);
}

.chant-body{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:70px;
    padding:28px 34px 34px;
    border-top:1px solid #e5e7eb;
}

/* Colonnes */
.colonne h3{
    margin-bottom:20px;
    font-size:.95rem;
    font-weight:700;
    text-transform:uppercase;
    letter-spacing:.05em;
    color:#C9A66B;
}

.vide{
    color:#6b7280;
    font-style:italic;
}

/* Audios */
.audio{
    margin-bottom:20px;
}

.audio p{
    margin-bottom:8px;
    font-weight:600;
    color:#374151;
}

.audio audio{
    width:100%;
}

/* Liens */
.youtube-link{
    display:block;
    padding:12px 16px;
    margin-bottom:12px;
    border:1px solid #e5e7eb;
    border-radius:12px;
    background:#fff;
    color:#374151;
    font-weight:600;
    text-decoration:none;
    transition:.25s ease;
}

.youtube-link:hover{
    background:#C9A66B;
    border-color:#C9A66B;
    color:#fff;
}

/* Bouton télécharger */
.btn-pdf{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    margin-top:25px;
    padding:12px 24px;
    border-radius:999px;
    border:1px solid #C9A66B;
    color:#8a6a34;
    background:#fff;
    text-decoration:none;
    font-weight:600;
    transition:.25s ease;
}

.btn-pdf:hover{
    background:#C9A66B;
    color:white;
    box-shadow:0 8px 20px rgba(201,166,107,.25);
}

/* Message vide */
.empty{
    max-width:850px;
    margin:0 auto;
    padding:40px 30px;
    text-align:center;
    background:#fff;
    border-radius:15px;
    box-shadow:0 10px 25px rgba(0,0,0,.08);
}

.empty h3{
    margin-bottom:10px;
    color:#1f2937;
}

.empty p{
    color:#6b7280;
}

/* Responsive */
@media(max-width:900px){

    body{
        margin-left:0;
    }

    .chant-body{
        grid-template-columns:1fr;
        gap:40px;
        padding:22px 24px;
    }

    .chant summary{
        font-size:1.5rem;
        padding:22px 24px;
    }

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

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

    .choeurs{
        gap:10px;
    }

    .btn{
        padding:10px 14px;
    }
}