* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    text-decoration: none;
    list-style: none;
}

body {
    overflow-x: hidden;
    font-family: Poppins;
    background-color: #111215;
}

.header {
    display: flex;
    z-index: 100;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 1.3rem 15%;
}

.logo {
    font-family: Orbitron,sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
}

.navbar2 a {
    margin-left: 2.5rem;
    font-size: 1rem;
    font-weight: 500;
    color: #fff;
}

.icons {
    display: none;
    position: absolute;
    top: 2%;
    right: 5%;
    font-size: 2.8rem;
    color: #fff;
    cursor: pointer;
}

@media (max-width:822px) {
    .icons {
        display: inline-flex;
    }

    .logo {
        z-index: 100;
        position: absolute;
        top: 2%;
        left: 5%;
        font-family: Orbitron,sans-serif;
    }

    .navbar2 {
        visibility: hidden;
        z-index: 99;
        position: absolute;
        top: 10%;
        left: 0;
        width: 100%;
        height: 18.7rem;
        opacity: 0;
        background-color: #111215;
        transition: opacity .5s ease,transform .5s ease,visibility .5s ease;
        transform: translateY(-20px);
    }

    .navbar2.active {
        visibility: visible;
        height: 45%;
        opacity: 1;
        transform: translateY(0);
    }

    .navbar2 a {
        display: block;
        margin: 1.5rem 0;
        text-align: center;
        font-size: 1.1rem;
    }

    .header::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 10%;
        background: #111215;
    }
}

.chemin {
    text-decoration: underline;
    font-size: 1.1rem;
    color: #fff;
    transition: text-shadow .1s ease-in-out;
    cursor: pointer;
}

.chemin:hover {
    text-shadow: 0 0 10px rgba(255,255,255,.7) ,0 0 15px rgba(255,255,255,.5);
}

.by {
    font-size: 15px;
    color: #12c2e9;
}



.cont {
    font-size: 23px;
    font-weight: 500;
    color: #fff;
}


.video-js .vjs-poster,
.video-js video {
    width: auto;
    object-fit: cover;
}

@media (max-width:650px) {
    .video-js {
        width: 500px;
        height: 200px;
    }
}

@media (max-width:529px) {
    .video-js {
        width: 280px;
        height: 120px;
    }
}

.chemin {
    text-decoration: underline;
    font-size: 1.1rem;
    color: #fff;
    transition: text-shadow .1s ease-in-out;
    cursor: pointer;
}

.chemin:hover {
    text-shadow: 0 0 10px rgba(255,255,255,.7) ,0 0 15px rgba(255,255,255,.5);
}


.by {
    -webkit-text-fill-color: transparent;
    font-size: 15px;
    font-weight: 600;
    color: transparent;
    background: linear-gradient(to right,#d946ef,#06b6d4);
    -webkit-background-clip: text;
    background-clip: text;
}

.img1 {
    width: auto;
    border-radius: 13px;
}

.cont {
    font-size: 1.2rem;
    letter-spacing: 1px;
    color: #fff;
}


.glass {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.8);
  border-radius: 15px;
}
.task-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    border: 1px solid rgba(255,255,255,.03);
    border-radius: 15px;
    background: rgba(255,255,255,.01);
    transition: all .3s ease;
}

.task-item:hover {
    border-color: rgba(255,255,255,.08);
    background: rgba(255,255,255,.03);
    transform: translateY(-2px);
}

.accent-icon {
    flex-shrink: 0;
    -webkit-text-fill-color: transparent;
    font-size: 1.5rem;
    background: linear-gradient(135deg,#d946ef,#06b6d4);
    -webkit-background-clip: text;
}

.demo-box {
    padding: 12px 15px;
    border-left: 3px solid #e2e8f0;
    border-radius: 6px;
    color: #e2e8f0;
    background: rgba(0,0,0,.2);
}

.cont {
    font-size: 1.4rem;
    font-weight: 600;
    letter-spacing: .5px;
    color: #fff;
}



strong {
    font-weight: 600;
    color: #fff;
}

.video-card {
    height: 100%;
    transition: transform .3s ease,border-color .3s ease;
}

.video-card:hover {
    border-color: rgba(255,255,255,.15);
    transform: translateY(-5px);
}

.video-header {
    display: flex;
    align-items: center;
}

.video-title {
    font-size: .95rem;
    font-weight: 500;
    color: #e2e8f0;
}

.video-wrapper {
    position: relative;
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 16/9;
}

.video-js {
    width: 100%!important;
    height: 100%!important;
    background-color: #000;
}

.text-gradient {
  background: linear-gradient(to right, #d946ef, #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 1.8rem;
  font-weight: 500;
  letter-spacing: 1px;
}

.desc {
    font-size: 1rem;
    color: #7e8086 !important; 
    font-weight: 300;
}

/* Pour que les strong soient bien blancs et contrastés */
.desc strong {
    color: #ffffff;
    font-weight: 600;
}

/* Séparateur discret entre Contexte et Déroulement */
.separator {
    height: 1px;
    background: linear-gradient(to right, rgba(217, 70, 239, 0.2), rgba(6, 182, 212, 0.2), transparent);
    margin: 2.5rem 0;
    border: none;
}

/* Accentuation pour les mots importants sans trop de couleur */
.highlight {
    color: #fff;
    font-weight: 500;
}

.under2 {
    text-decoration: none;
    font-size: .9rem;
    color: #94a3b8;
    transition: all .3s ease;
}

.under2:hover {
    text-decoration: none;
    color: #fff;
    transform: translateY(-2px);
}

.btn-perso {
    padding: 10px 24px;
    border: none;
    border-radius: 12px;
    font-family: Poppins,sans-serif;
    font-size: .9rem;
    font-weight: 600;
    color: #fff!important;
    box-shadow: 0 4px 15px rgba(0,0,0,.3);
    transition: all .3s ease;
    cursor: pointer;
}