/* ----- Configuration sections page ----- */
#sec-1{
    background-color: var(--color-bg2);
    background-size: cover;
    color: var(--color-text1);
    justify-content: center;
    align-items: center;
}
#sec-2{
    display: flex;
    height: auto;
    min-height: auto;
    padding: 5% 6%;
    justify-content: center;
    align-items: center;
    background-color: var(--color-bg1);
}

a{
    text-decoration: none;
}

/* ----- HERO ----- */
.hero-frame{
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    max-width: 50rem;
    text-align: center;
    margin: 0 auto;
    padding: 6% 6% 2% 6%;
}
#sec-1 h1{
    text-align: center;
    background: linear-gradient(90deg, #FF0000, #8F00FF);
    background-size: 400%;
    font-weight: 700;
    font-size: 4rem;
    line-height: 4.25rem;
    letter-spacing: -0.05rem;
    -webkit-text-fill-color: transparent;
    -webkit-background-clip: text;
    background-clip: text;
    animation: animate 5s linear infinite alternate;
}
@keyframes animate {
    0% { background-position: 0%; }
    100% { background-position: 100%; }
}
.hero-des{
    font-size: 1.125rem;
    line-height: 1.75rem;
}
.hero-bt{
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}
.cat_p{
    color: var(--color1, var(--orange));
    font-size: 0.875rem;
    font-style: normal;
    font-weight: 700;
    line-height: 1.5rem;
    letter-spacing: 0.07rem;
    text-transform: uppercase;
}
.des_p{
    color: var(--color-text1);
}

/* ----- SOMMAIRE ----- */
.sommaire{
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    justify-content: center;
    background-color: var(--color-bg1);
    border-bottom: 1px solid var(--color-bg2);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}
.sommaire-list{
    display: flex;
    gap: 0.5rem;
    width: 100%;
    max-width: 90rem;
    margin: 0;
    padding: 0.75rem 6%;
    list-style: none;
    overflow-x: auto;
    scrollbar-width: thin;
}
.sommaire-lien{
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    white-space: nowrap;
    color: var(--color-text1);
    transition: 0.3s ease;
}
.sommaire-lien:hover{
    background: var(--color-bg2);
}
.sommaire-lien.active{
    background: linear-gradient(90deg, #FF0000, #8F00FF);
    color: var(--color-text2);
}
.sommaire-code{
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 1.5rem;
    height: 1.5rem;
    padding: 0 0.35rem;
    border-radius: 50%;
    background: var(--color-bg2);
    color: var(--color-text3);
    font-size: 0.75rem;
    font-weight: 700;
}
.sommaire-lien.active .sommaire-code{
    background: rgba(255, 255, 255, 0.25);
    color: var(--color-text2);
}
.sommaire-titre{
    font-size: 0.875rem;
    font-weight: 600;
}

/* ----- ANNEXES ----- */
.annexes-frame{
    display: flex;
    width: 100%;
    flex-direction: column;
    align-items: center;
    gap: 3.5rem;
}
.annexes-titre{
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
    max-width: 45rem;
}
.annexes-titre h3{
    font-size: 2.5rem;
    font-style: normal;
    font-weight: 700;
    line-height: 3rem;
    letter-spacing: -0.05rem;
    background: linear-gradient(90deg, #FF0000, #8F00FF);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.annexe-groupe{
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    width: 100%;
    scroll-margin-top: calc(var(--sommaire-height, 4rem) + 1rem);
}
.annexe-groupe-header{
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.annexe-groupe-header h4{
    color: var(--color-text1);
    font-size: 1.5rem;
    font-style: normal;
    font-weight: 700;
    letter-spacing: -0.03rem;
}
.annexe-groupe-des{
    max-width: 45rem;
    font-size: 0.95rem;
    line-height: 1.5rem;
}

.annexe-grid{
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
}

.annexe-carte{
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    width: 19rem;
    padding: 1.5rem;
    border-radius: 0.75rem;
    background: var(--color-bg2);
    cursor: pointer;
    transition: 0.3s ease;
}
a.annexe-carte:hover{
    background: var(--orange);
}
a.annexe-carte:hover h5,
a.annexe-carte:hover .annexe-code,
a.annexe-carte:hover .annexe-type,
a.annexe-carte:hover .annexe-action{
    color: var(--color-text2);
}

.annexe-code{
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.03rem;
    text-transform: uppercase;
    color: var(--color-text3);
}
.annexe-carte h5{
    color: var(--color-text1);
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.5rem;
}
.annexe-type{
    color: var(--color-text3);
    font-size: 0.9rem;
}
.annexe-action{
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: auto;
    padding-top: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text1);
}

.annexe-carte-indisponible{
    cursor: not-allowed;
    opacity: 0.55;
}
.annexe-carte-indisponible .annexe-action{
    color: var(--color-text3);
    font-weight: 400;
    font-style: italic;
}

/* ----- RETOUR EN HAUT ----- */
.back-to-top{
    position: fixed;
    right: 2rem;
    bottom: 2rem;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    border: 0;
    border-radius: 50%;
    background: linear-gradient(90deg, #FF0000, #8F00FF);
    color: var(--color-text2);
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.25);
    opacity: 0;
    visibility: hidden;
    transform: translateY(0.75rem);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
}
.back-to-top.visible{
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.back-to-top:hover{
    transform: translateY(-0.2rem);
}

@media screen and (max-width: 700px) {
    .back-to-top{
        right: 1.25rem;
        bottom: 1.25rem;
        width: 2.75rem;
        height: 2.75rem;
        font-size: 1.35rem;
    }
    #sec-1 h1{
        font-size: 3rem;
        line-height: 3.25rem;
    }
    .hero-bt{
        flex-direction: column;
        width: 100%;
    }
    .annexe-carte{
        width: 100%;
    }
    .sommaire-list{
        padding: 0.6rem 5%;
    }
    .sommaire-titre{
        display: none;
    }
    .sommaire-lien{
        padding: 0.5rem;
    }
    .sommaire-lien.active{
        padding: 0.5rem 0.9rem;
    }
    .sommaire-lien.active .sommaire-titre{
        display: inline;
    }
}