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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Montserrat', sans-serif;
    background-color: #050505;
    color: #ffffff;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    /* CORRECTION DU BUG : On laisse 130px d'espace vide en haut pour ne jamais toucher la navbar de 90px */
    padding-top: 130px; 
    overflow-x: hidden;
    background-image: radial-gradient(circle at 50% 0%, #1a1500 0%, #050505 60%);
    background-attachment: scroll;
}

::selection {
    background: #d4af37;
    color: #000000;
}

::-webkit-scrollbar { width: 12px; }
::-webkit-scrollbar-track { background: #050505; }
::-webkit-scrollbar-thumb {
    background: #aa8c2c;
    border-radius: 6px;
    border: 3px solid #050505;
}
::-webkit-scrollbar-thumb:hover { background: #d4af37; }

/* ========================================= */
/* BARRE DE NAVIGATION                       */
/* ========================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 90px;
    background: rgba(5, 5, 5, 0.98);
    border-bottom: 1px solid rgba(212, 175, 55, 0.15);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 25px;
    z-index: 2000;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
}

.nav-brand {
    display: flex;
    align-items: center;
    margin-right: 10px;
    z-index: 2001;
}

.nav-logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
    margin-right: 15px;
    filter: drop-shadow(0 0 5px rgba(212, 175, 55, 0.3));
    transition: transform 0.3s ease;
}

.navbar:hover .nav-logo-img { transform: scale(1.05); }
.nav-toggle { display: none; }

.nav-burger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
    z-index: 2002;
}

.nav-burger span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: #d4af37;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.nav-links {
    display: flex;
    flex: 1;
    justify-content: center;
    gap: 2vw; 
    margin: 0 10px;
}

.nav-links a {
    text-decoration: none;
    color: #a0a0a0;
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(0.7rem, 1vw + 0.3rem, 0.85rem);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 5px 0;
    position: relative;
    transition: all 0.3s ease;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #d4af37;
    transition: width 0.3s cubic-bezier(0.25, 1, 0.5, 1);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.8);
}

.nav-links a:hover, .nav-links a.active {
    color: #ffffff;
    text-shadow: 0 0 15px rgba(212, 175, 55, 0.6);
}

.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.btn-cv-desktop {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 37px;
    padding: 0 25px;
    min-width: 125px;
    gap: 8px;
    margin: 0 0 0 auto;
    background: linear-gradient(135deg, #d4af37 0%, #aa8c2c 100%);
    color: #000000 !important;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    border-radius: 4px;
    border: 1px solid #f9e5a0;
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.4);
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.btn-cv-desktop:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(212, 175, 55, 0.4);
    background: linear-gradient(135deg, #fff7cc 0%, #d4af37 100%);
}

.btn-cv-desktop::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: 0.6s;
}
.btn-cv-desktop:hover::before { left: 100%; }

.btn-cv-mobile {
    display: none;
    margin-top: 20px;
    padding: 12px 30px;
    border: 1px solid #d4af37;
    color: #d4af37;
    text-decoration: none;
    text-transform: uppercase;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-align: center;
}

/* ========================================= */
/* CONTENU ET EXPERIENCES                    */
/* ========================================= */

.header-section {
    text-align: center;
    position: relative;
    z-index: 10;
    margin-bottom: 50px;
}

h1 {
    font-family: 'Playfair Display', serif;
    font-size: 3.8rem;
    font-weight: 400;
    font-style: italic;
    margin: 0 0 15px 0;
    background: linear-gradient(to right, #ffffff 20%, #d4af37 50%, #ffffff 80%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 20px rgba(0, 0, 0, 0.8));
    animation: fadeDown 1s ease-out;
}

.subtitle-instruction {
    display: block;
    color: #d4af37;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-style: normal;
    opacity: 0.9;
    text-shadow: 0 0 10px rgba(212, 175, 55, 0.3);
    animation: fadeIn 1.5s ease-out;
}

/* --- LES BOITES EN MÉTAL 3D --- */
details {
    width: 90%;
    max-width: 950px;
    margin: 0 auto 35px auto;
    background: linear-gradient(145deg, #151515 0%, #050505 100%);
    
    /* Bords biseautés asymétriques */
    border-top: 1px solid rgba(212, 175, 55, 0.4);
    border-left: 1px solid rgba(212, 175, 55, 0.2);
    border-right: 1px solid rgba(0, 0, 0, 0.9);
    border-bottom: 1px solid rgba(0, 0, 0, 0.9);
    border-radius: 12px;
    
    position: relative;
    z-index: 10;
    
    /* PREPARATION 3D (pas d'overflow hidden !) */
    transition: transform 0.1s ease-out, box-shadow 0.1s ease-out, background 0.3s ease;
    transform-style: preserve-3d;
    box-shadow: 10px 15px 30px rgba(0, 0, 0, 0.9), inset 1px 1px 2px rgba(255, 255, 255, 0.05);
    
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
}

details:nth-of-type(1) { animation-delay: 0.1s; }
details:nth-of-type(2) { animation-delay: 0.3s; }
details:nth-of-type(3) { animation-delay: 0.5s; }

details[open] {
    border-top-color: #d4af37;
    border-left-color: #d4af37;
    box-shadow: 0 20px 60px rgba(212, 175, 55, 0.2);
}

/* Lévitation des éléments internes */
summary {
    list-style: none;
    padding: 25px 35px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    background: linear-gradient(to right, rgba(212, 175, 55, 0.05), transparent);
    
    /* LEVITATION MASSIVE */
    transform: translateZ(40px);
    transform-style: preserve-3d;
}

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

summary strong {
    font-family: 'Playfair Display', serif;
    font-size: 1.6rem;
    color: #fff;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

summary .exp-date {
    display: block;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.95rem;
    font-weight: 700;
    color: #d4af37;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    background: rgba(212, 175, 55, 0.05);
    border: 1px solid #d4af37;
    padding: 8px 20px;
    border-radius: 50px;
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.1);
}

summary::after {
    content: '+';
    font-family: 'Montserrat', sans-serif;
    font-size: 2.2rem;
    font-weight: 200;
    color: #d4af37;
    transition: all 0.4s ease;
    text-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
    margin-left: 20px;
}

details[open] summary::after {
    content: '−';
    transform: rotate(180deg);
    color: #fff;
    text-shadow: none;
}

.summary-left {
    display: inline-flex;
    align-items: center;
    gap: 15px;
}

.exp-logo {
    width: 60px;
    height: 60px;
    object-fit: contain;
    background: #ffffff;
    border-radius: 50%;
    padding: 8px;
    border: 2px solid #d4af37;
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.3);
    flex-shrink: 0;
    transition: transform 0.3s ease;
    
    /* Lévite encore plus haut que le summary */
    transform: translateZ(20px);
}

details:hover .exp-logo {
    transform: translateZ(20px) scale(1.1);
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.5);
}

/* Le texte caché */
.exp-details {
    padding: 10px 45px 40px 95px;
    color: #b0b0b0;
    font-size: 1.05rem;
    line-height: 2;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
    
    /* LEVITATION DU TEXTE */
    transform: translateZ(30px);
}

.exp-details p {
    margin-bottom: 25px;
    text-align: justify;
}

.exp-details strong {
    color: #d4af37;
    font-weight: 600;
}

/* ========================================= */
/* ANIMATIONS ET MAGIE                       */
/* ========================================= */

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: none; }
}

@keyframes fadeDown {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

#gold-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1; 
    pointer-events: none; 
}

.cursor-glow {
    position: fixed;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.12) 0%, rgba(212, 175, 55, 0) 70%);
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 0;
    mix-blend-mode: screen;
    transition: opacity 0.3s ease;
}

.ripple {
    position: absolute;
    border-radius: 50%;
    transform: scale(0);
    animation: ripple-effect 0.6s linear;
    background-color: rgba(255, 255, 255, 0.5);
}

@keyframes ripple-effect {
    to { transform: scale(4); opacity: 0; }
}


/* ========================================= */
/* RESPONSIVE DESIGN                         */
/* ========================================= */

@media (max-width: 900px) {
    /* Sur mobile, on réduit l'espace en haut car la navbar est plus fine */
    body { padding-top: 100px; }
    
    .navbar {
        height: 70px;
        padding: 0 20px;
        flex-direction: row;
        justify-content: space-between;
        background: #050505;
    }
    .nav-logo-img { height: 35px; margin: 0; }
    .btn-cv-desktop { display: none; }
    .nav-burger { display: flex; }

    .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        width: 75%;
        height: 100vh;
        background-color: #050505;
        border-left: 1px solid #d4af37;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 30px;
        margin: 0;
        transform: translateX(100%);
        transition: transform 0.4s ease-in-out;
        z-index: 2000;
        box-shadow: -5px 0 15px rgba(0,0,0,0.8);
    }

    .nav-toggle:checked ~ .nav-links { transform: translateX(0); }
    .nav-toggle:checked ~ .nav-burger span:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
    .nav-toggle:checked ~ .nav-burger span:nth-child(2) { opacity: 0; }
    .nav-toggle:checked ~ .nav-burger span:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }
    .nav-links a { font-size: 1.2rem; color: #f0f0f0; }
    .btn-cv-mobile { display: inline-block; }

    h1 { font-size: 2.5rem; }

    summary {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
        padding: 15px;
    }
    .summary-left { width: 100%; }
    .exp-date {
        align-self: flex-start;
        margin-left: 80px;
    }
    summary::after {
        position: absolute;
        top: 35px;
        right: 25px;
    }
    .exp-logo { width: 40px; height: 40px; }
    summary strong { font-size: 1.3rem; }
    
    .exp-details { padding: 20px 25px; }
    
    /* Désactiver la 3D sur mobile pour éviter les bugs tactiles */
    details { transform-style: flat; }
    summary, .exp-details, .exp-logo { transform: none !important; }
}

.site-footer {
    text-align: center;
    padding: 20px;
    background-color: #050505;
    color: #d4af37;
    font-size: 0.9rem;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
    margin-top: auto;
}