/* ============================================================
   STYLE.CSS — Éléments globaux (présents sur toutes les pages)
   Contient : variables, reset, navigation, footer, utilitaires
   ============================================================ */


/* ==================== */
/* VARIABLES & RESET    */
/* ==================== */

:root {
    --bg-primary:    #0a0a0a;
    --bg-secondary:  #1a1a1a;
    --text-primary:  #ffffff;
    --text-secondary:#888888;
    --accent:        rgb(93,65,214);  /* Couleur violette */
/*    --accent:        #64FFDA;      Couleur verte (remettre aussi ds public.css)*/
    --border:        #2a2a2a;
    --font-display:  'Bebas Neue', sans-serif;
    --font-body:     'Instrument Sans', system-ui, -apple-system, sans-serif;
    --transition:    0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

::selection {
    background: var(--accent);
    color: var(--bg-primary);
}


/* ==================== */
/* UTILITAIRES          */
/* ==================== */

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-header {
    margin-bottom: 0;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    letter-spacing: 1px;
    text-transform: uppercase;
}

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


/* ==================== */
/* NAVIGATION DESKTOP   */
/* ==================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: 2px;
    transition: var(--transition);
}

.nav-logo:hover { color: var(--accent); }

.nav-menu {
    display: flex;
    gap: 3rem;
    list-style: none;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: var(--transition);
}

.nav-link:hover { color: var(--text-primary); }
.nav-link:hover::after { width: 100%; }


/* ==================== */
/* DROPDOWN DESKTOP     */
/* ==================== */

.nav-item--dropdown { position: relative; }

.nav-link--dropdown {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.nav-dropdown-icon { transition: transform var(--transition); }

.nav-item--dropdown:hover .nav-dropdown-icon { transform: rotate(180deg); }

.nav-dropdown {
    position: absolute;
    top: calc(100% + 14px);
    left: 50%;
    list-style: none;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(-8px);
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
    z-index: 999;
}

.nav-dropdown::before {
    content: '';
    position: absolute;
    top: -14px;
    left: 0;
    right: 0;
    height: 14px;
}

.nav-item--dropdown:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav-dropdown-link {
    display: block;
    padding: 0.75rem 1.25rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    border-bottom: 1px solid var(--border);
}

.nav-dropdown li:last-child .nav-dropdown-link { border-bottom: none; }

.nav-dropdown-link:hover {
    color: var(--accent);
    background: var(--bg-primary);
    padding-left: 1.75rem;
}


/* ==================== */
/* ICÔNE COMPTE (NAV)   */
/* ==================== */

.nav-account-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    padding: 0.3rem;
    border-radius: 50%;
    transition: color 0.2s, background 0.2s;
    text-decoration: none;
}

.nav-account-icon:hover {
    color: var(--accent);
    background: rgba(100, 255, 218, 0.1);
}

.nav-account-icon--mobile { display: none; }


/* ==================== */
/* BURGER (MOBILE)      */
/* ==================== */

.nav-burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 8px;
    background: none;
    border: 1px solid var(--border);
    cursor: pointer;
    z-index: 1100;
    flex-shrink: 0;
    transition: border-color var(--transition);
}

.nav-burger:hover { border-color: var(--accent); }

.nav-burger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
    transform-origin: center;
}

.nav-burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }


/* ==================== */
/* MENU MOBILE          */
/* ==================== */

.mobile-menu { display: none; }


/* ==================== */
/* FOOTER               */
/* ==================== */

.footer {
    padding: 3rem 0;
    border-top: 1px solid var(--border);
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-social { display: flex; gap: 1.5rem; }

.footer-social a {
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-social a:hover { color: var(--accent); }


/* ==================== */
/* RESPONSIVE GLOBAL    */
/* ==================== */

@media (max-width: 1024px) {
    .nav-menu { gap: 1.5rem; }
}

@media (max-width: 768px) {
    .nav-container { padding: 1rem; }
    .nav-menu   { display: none; }
    .nav-burger { display: flex; }

    .nav-logo    { order: 1; }
    .nav-account-icon--mobile {
        display: flex;
        order: 2;
        margin-left: auto;
        margin-right: 0.25rem;
    }
    .nav-burger { order: 3; }

    .mobile-menu {
        display: block;
        position: fixed;
        inset: 0;
        top: 65px;
        z-index: 1050;
        background: var(--bg-primary);
        overflow-y: auto;
        border-top: 1px solid var(--border);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateY(-6px);
        transition: opacity .25s ease, visibility .25s ease, transform .25s ease;
    }

    .mobile-menu.is-open {
        opacity: 1;
        visibility: visible;
        pointer-events: all;
        transform: translateY(0);
    }

    .mobile-list  { list-style: none; }
    .mobile-item  { border-bottom: 1px solid var(--border); }

    .mobile-link {
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
        padding: 1.1rem 1.5rem;
        color: var(--text-secondary);
        text-decoration: none;
        font-family: var(--font-body);
        font-size: 0.9rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 1px;
        background: none;
        border: none;
        cursor: pointer;
        text-align: left;
        transition: color var(--transition), background var(--transition);
    }

    .mobile-link:hover,
    .mobile-item--has-sub.is-open > .mobile-link--btn {
        color: var(--accent);
        background: rgba(100, 255, 218, 0.04);
    }

    .mobile-arrow {
        flex-shrink: 0;
        transition: transform var(--transition);
    }

    .mobile-item--has-sub.is-open .mobile-arrow { transform: rotate(180deg); }

    .mobile-sub {
        list-style: none;
        max-height: 0;
        overflow: hidden;
        background: var(--bg-secondary);
        transition: max-height .35s ease;
    }

    .mobile-item--has-sub.is-open .mobile-sub { max-height: 600px; }

    .mobile-sublink {
        display: block;
        padding: .85rem 2rem;
        color: var(--text-secondary);
        text-decoration: none;
        font-size: .82rem;
        font-weight: 500;
        text-transform: uppercase;
        letter-spacing: 1px;
        border-top: 1px solid var(--border);
        transition: color var(--transition), padding-left var(--transition);
    }

    .mobile-sublink:hover { color: var(--accent); padding-left: 2.5rem; }

    .section-header { flex-direction: column; gap: 1rem; }
    .footer .container { flex-direction: column; gap: 2rem; text-align: center; }
}

@media (max-width: 480px) {
    .container { padding: 50px 1rem; }
}