/* =========================
   TEMPLATE RESPONSIVE
========================= */

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

body {
    background: linear-gradient(to top, #000000, #2a5298);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: 'Segoe UI', sans-serif;
    overflow-x: hidden;
}


/* TITRE */

#titreaccueil {
    text-align: center;
    margin-top: clamp(20px, 15vh, 5px);
    margin-bottom: clamp(24px, 4vw, 60px);
    color: white;
    font-size: clamp(18px, 2.5vw, 28px);
    letter-spacing: 2px;
}

/* MENU */

.menu-barre {
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(8px);
    display: flex;
    flex-wrap: wrap;            /* passe à la ligne sur petit écran */
    justify-content: space-between;
    align-items: center;
    padding: clamp(8px, 1.5vw, 15px);
    width: 90%;
    margin: 0 auto clamp(32px, 6vw, 80px);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

.menu-barre a {
    position: relative;
    color: white;
    text-decoration: none;
    font-weight: 600;
    padding: clamp(8px, 1.2vw, 12px) clamp(8px, 1.2vw, 15px);
    border-radius: 8px;
    flex: 1;
    min-width: 100px;           /* évite que les liens deviennent trop étroits */
    text-align: center;
    transition: all 0.3s ease;
    overflow: hidden;
    font-size: clamp(13px, 1.2vw, 16px);
}

/* Soulignement menu */

.menu-barre a::after {
    content: "";
    position: absolute;
    width: 0%;
    height: 3px;
    bottom: 5px;
    left: 50%;
    background: white;
    transition: 0.3s ease;
    transform: translateX(-50%);
}

.menu-barre a:hover::after {
    width: 60%;
}

/* Effet élévation */

.menu-barre a:hover {
    transform: translateY(-5px);
    background: rgba(255,255,255,0.15);
    box-shadow: 0 8px 20px rgba(0,0,0,0.4);
}

/* FOOTER */

footer {
    margin-top: auto;
    padding: clamp(14px, 2vw, 25px);
    font-size: clamp(11px, 1vw, 13px);
    text-align: center;
    color: rgba(255,255,255,0.7);
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* =========================
   PAGE ACCUEIL
========================= */

/* IMAGE */

.imagepresentation {
    width: min(300px, 90%);
    height: auto;
    -webkit-mask-image: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 1) 80%,
        rgba(0, 0, 0, 0) 100%
    );
    mask-image: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 1) 40%,
        rgba(0, 0, 0, 0) 100%
    );
}

#Profil:hover {
    transform: translateY(-15px) scale(1.03);
}

/* MAIN */

#mainaprojetpersonnel {
    display: flex;
    justify-content: left;
    margin-left: clamp(10px, 5vw, 65px);
    margin-top: 80px;
    margin-bottom: 80px;
    flex-wrap: wrap;
}

/* SOMMAIRE */

#sommaire h2 {
    margin-bottom: 30px;
    letter-spacing: 2px;
}

/* BOUTONS */

.boutons-projets {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btn-projet {
    text-decoration: none;
    color: white;
    background: rgba(255,255,255,0.12);
    padding: 15px;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: clamp(12px, 1.2vw, 16px);
}

.btn-projet:hover {
    transform: translateY(-5px);
    background: rgba(255,255,255,0.25);
    box-shadow: 0 10px 25px rgba(0,0,0,0.4);
}

/* CATEGORIES */

.categories {
    display: flex;
    gap: 30px;
    align-items: flex-start;
    flex-wrap: wrap;
    justify-content: center;
}

.categorie {
    flex: 1;
}

/* TEXTE */

.textepresentation {
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(10px);
    padding: clamp(15px, 3vw, 40px);
    border-radius: 20px;
    width: min(800px, 95%);
    text-align: center;
    box-shadow: 0 20px 50px rgba(0,0,0,0.4);
    color: white;
}

/* =========================
   option pour mobile
========================= */

@media (max-width: 500px) {
    #logo {
        position: relative;
        margin: 15px auto 0;
        display: block;
        text-align: center;
    }

    .menu-barre {
        gap: 6px;
        width: 95%;
    }

    .menu-barre a {
        width: 100%;
        min-width: unset;
    }
    .categories {
        flex-direction: column;
        align-items: center;
    }

    #mainaprojetpersonnel {
        justify-content: center;
        margin-left: 0;
    }

    .textepresentation {
        width: 95%;
    }
}