/* === CONFIG COULEUR MARQUE === */
    :root {
        --brand-orange: #f78e3d;
    }

    .btn-login-futuristic {
        border-radius: 999px;
        padding: 0.45rem 1.1rem;
        /* <-- plus petit */
        font-weight: 600;
        letter-spacing: .03em;
        text-transform: uppercase;
        font-size: 0.72rem;
        /* <-- réduit */
        border-width: 1px;
        backdrop-filter: blur(10px);

        background: #0b1d39;
        border-color: #0b1d39;
        color: #fff;

        /* Glow orangé */
        box-shadow:
            0 0 8px rgba(247, 142, 61, 0.25),
            0 0 18px rgba(247, 142, 61, 0.18),
            inset 0 0 4px rgba(255, 255, 255, 0.12);

        transition: all .25s ease-out;
    }

    .btn-login-futuristic:hover {
        background: linear-gradient(120deg, #1b3a73, #274a8d);
        border-color: transparent;

        box-shadow:
            0 0 12px rgba(247, 142, 61, 0.45),
            0 0 26px rgba(247, 142, 61, 0.35),
            inset 0 0 6px rgba(255, 255, 255, 0.2);
    }

    .btn-signup-futuristic {
        border-radius: 999px;
        padding: 0.45rem 1.1rem;
        /* <-- plus petit */
        font-weight: 600;
        letter-spacing: .03em;
        text-transform: uppercase;
        font-size: 0.72rem;
        /* <-- légèrement réduit */
        border-width: 1px;
        backdrop-filter: blur(10px);

        background: linear-gradient(120deg, var(--brand-orange), #ffb37a);
        border-color: transparent;
        color: #fff;

        box-shadow: 0 0 18px rgba(247, 142, 61, 0.4);
        transition: all .25s ease-out;
    }

    .btn-signup-futuristic:hover {
        filter: brightness(1.05);
    }

    /* === MODALE FUTURISTE === */
    .futuristic-modal {
        position: relative;
        overflow: hidden;
        border-radius: 1.5rem;
        border: 1px solid rgba(148, 163, 184, 0.5);
        background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.18), transparent 55%),
            radial-gradient(circle at bottom right, rgba(79, 70, 229, 0.25), #020617 70%);
        color: #e5e7eb;
        box-shadow:
            0 0 0 1px rgba(247, 142, 61, 0.5),
            0 30px 80px rgba(247, 142, 61, 0.3);
        backdrop-filter: blur(18px);
    }

    .futuristic-modal .modal-body {
        position: relative;
        z-index: 1;
    }

    .futuristic-modal::before,
    .futuristic-modal::after {
        content: "";
        position: absolute;
        border-radius: 999px;
        filter: blur(40px);
        opacity: 0.7;
    }

    .futuristic-modal::before {
        width: 220px;
        height: 220px;
        background: radial-gradient(circle, rgba(56, 189, 248, 0.5), transparent 70%);
        top: -60px;
        right: -40px;
    }

    .futuristic-modal::after {
        width: 260px;
        height: 260px;
        background: radial-gradient(circle, rgba(129, 140, 248, 0.6), transparent 75%);
        bottom: -80px;
        left: -60px;
    }

    /* === TEXTE GRADIENT AUX COULEURS DE LA MARQUE === */
    .text-gradient {
        background: linear-gradient(120deg,
                var(--brand-orange),
                #ff9e63,
                #ff7d7d,
                #c964ff,
                #4f46e5);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
    }

    /* === INPUTS === */
    .futuristic-input .form-control {
        background: rgba(15, 23, 42, 0.75);
        border-radius: 999px;
        border: 1px solid rgba(148, 163, 184, 0.6);
        color: #e5e7eb;
        padding-inline: 1.1rem;
        padding-block: 0.6rem;
        font-size: 0.9rem;
        box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.8);
        transition: all .2s ease-out;
    }

    .futuristic-input .form-control:focus {
        outline: none;
        box-shadow:
            0 0 0 1px rgba(247, 142, 61, 0.7),
            0 0 20px rgba(247, 142, 61, 0.4);
        border-color: var(--brand-orange);
        background: rgba(15, 23, 42, 0.95);
    }

    /* === BOUTON NEON === */
    .btn-neon {
        position: relative;
        border-radius: 999px;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: .06em;
        font-size: 0.78rem;
        padding-block: 0.8rem;
        overflow: hidden;
        border: none;
    }

    .btn-neon span {
        position: relative;
        z-index: 1;
    }

    .btn-neon::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(120deg,
                var(--brand-orange),
                #ff9e63,
                #ff7d7d,
                #c964ff,
                #4f46e5);
        opacity: 0.95;
    }

    .btn-neon::after {
        content: "";
        position: absolute;
        inset: -2px;
        background: conic-gradient(from 180deg,
                var(--brand-orange),
                #ff9e63,
                #ff7d7d,
                #c964ff,
                #4f46e5,
                var(--brand-orange));
        filter: blur(18px);
        opacity: 0;
        transition: opacity .25s ease-out;
    }

    .btn-neon:hover::after {
        opacity: 0.9;
    }

    /* === LIENS === */
    .link-neon {
        color: var(--brand-orange);
    }

    .link-neon:hover {
        color: #ffd1b0;
        text-shadow: 0 0 12px rgba(247, 142, 61, 0.9);
    }

    /* === PARTIE DROITE DE LA MODALE === */
    .futuristic-side {
        position: relative;
        border-radius: 1.3rem;
        padding: 2rem;
        background: linear-gradient(145deg, rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.4));
        border: 1px solid rgba(148, 163, 184, 0.35);
        overflow: hidden;
    }

    .futuristic-side h3 {
        font-size: 1.25rem;
    }

    .futuristic-side .orb {
        position: absolute;
        border-radius: 999px;
        filter: blur(22px);
        opacity: 0.7;
    }

    .futuristic-side .orb-1 {
        width: 140px;
        height: 140px;
        background: rgba(247, 142, 61, 0.55);
        top: -30px;
        left: -20px;
    }

    .futuristic-side .orb-2 {
        width: 180px;
        height: 180px;
        background: rgba(255, 158, 99, 0.55);
        bottom: -50px;
        right: -30px;
    }

    .futuristic-side .orb-3 {
        width: 90px;
        height: 90px;
        background: rgba(255, 186, 140, 0.7);
        top: 40%;
        right: 10%;
    }

    /* Correction modale bootstrap */
    .modal-content.futuristic-modal {
        color: #e5e7eb;
    }

    /* === FUSÉE DE REDIRECTION (MILIEU + FUMÉE) === */
    .rocket-layer {
        position: fixed;
        inset: 0;
        z-index: 9999;
        pointer-events: none;
        overflow: visible;
    }

    .rocket-layer.rocket-visible {
        display: block !important;
    }

    .rocket-wrapper {
        position: absolute;
        bottom: -150px;
        /* Hors écran en bas */
        left: 50%;
        /* Centre horizontal */
        transform: translateX(-50%);
        /* Corrige le centrage */
    }

    /* Fusée */
    #rocket-icon.rocket {
        position: relative;
        width: 120px;
        animation: rocketFlyCenter 1.6s ease-out forwards;
        filter: drop-shadow(0 0 18px rgba(248, 250, 252, 0.9));
    }

    /* Fumée (bulles floues) */
    .rocket-smoke {
        position: absolute;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(148, 163, 184, 0.9), transparent 70%);
        filter: blur(6px);
        opacity: 0;
        z-index: -1;
        /* derrière la fusée */
        animation: smokeTrail 1.6s ease-out forwards;
    }

    .smoke-1 {
        top: 35px;
        left: -10px;
    }

    .smoke-2 {
        top: 45px;
        left: -30px;
        animation-delay: 0.08s;
    }

    .smoke-3 {
        top: 55px;
        left: -50px;
        animation-delay: 0.16s;
    }

    @keyframes rocketFlyCenter {
        0% {
            transform: translate3d(-50%, 20vh, 0) rotate(0deg) scale(0.95);
            opacity: 0;
        }

        10% {
            opacity: 1;
        }

        50% {
            transform: translate3d(-50%, -20vh, 0) rotate(0deg) scale(1);
        }

        100% {
            transform: translate3d(-50%, -120vh, 0) rotate(5deg) scale(1.05);
            opacity: 0;
        }
    }

    @keyframes smokeTrail {
        0% {
            opacity: 0;
            transform: translate3d(0, 0, 0) scale(0.5);
        }

        20% {
            opacity: 0.7;
        }

        100% {
            opacity: 0;
            transform: translate3d(0, 40px, 0) scale(1.2);
        }
    }

    .fireworks-layer {
        position: fixed;
        inset: 0;
        z-index: 10000;
        pointer-events: none;
        overflow: visible;
        /* <- pour laisser les particules dépasser */
        background: transparent;
        display: none;
    }

    .fireworks-layer.fireworks-visible {
        display: block !important;
    }

    /* Chaque particule de feu d'artifice */
    .firework-particle {
        position: absolute;
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: radial-gradient(circle, #ffffff, #ffe08a, #f97316);
        box-shadow:
            0 0 8px #ffffff,
            0 0 18px #ffe08a,
            0 0 28px #f97316;
        opacity: 0;
        transform: translate3d(0, 0, 0) scale(0.4);
        animation: firework-particle 1.6s ease-out forwards;
    }

    /* Animation d'une particule, la direction est donnée par les variables CSS --dx / --dy */
    @keyframes firework-particle {
        0% {
            opacity: 0;
            transform: translate3d(0, 0, 0) scale(0.4);
        }

        10% {
            opacity: 1;
        }

        60% {
            opacity: 1;
            transform: translate3d(calc(var(--dx) * 0.6), calc(var(--dy) * 0.6), 0) scale(1);
        }

        100% {
            opacity: 0;
            transform: translate3d(var(--dx), var(--dy), 0) scale(1.1);
        }
    }