* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    list-style: none;
    font-family: poppins, sans-serif;
}

body {
    background-color: #0f0f1e;
    color: #fff;
    font-size: 16px;
    overflow: hidden;
}

header {
    position: fixed;
    top: 0;
    padding: 20px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 90vw;
    z-index: 3;
}

.logo {
    font-family: orbitron, sans-serif;
    font-size: 2rem;
    font-weight: 900;
    color: #00f7ff;
    text-shadow: 0 0 10px rgba(0, 247, 255, 0.5);
}

header nav ul {
    display: flex;
    gap: 40px;
}

header nav ul li {
    cursor: pointer;
    position: relative;
    padding: 5px 0;
}

header nav ul li::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background-color: #00f7ff;
    transition: width 0.5s ease;
}

header nav ul li:hover::after {
    width: 100%;
}

a {
    text-decoration: none;
    color: #fff;
}

.my-contact .submenu {
    display: none;
    position: absolute;
    top: 35px;
    background-color: transparent;
    flex-direction: column;
    min-width: 200px;
    z-index: 4;
}


.my-contact:hover .submenu {
    display: flex;
}

.container {
    height: 100vh;
    position: relative;
    background: linear-gradient(135deg, #221753 0%, #0d5747 100%);
    overflow: hidden;
}

.container::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(5, 129, 119, 0.377) 0%, rgba(14, 14, 27, 0.185) 70%);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    filter: blur(50px);
    animation: pulse 4s infinite alternate;
}

@keyframes pulse {
    0% {
        transform: translate(-50%, -50%) scale(0.5);
        opacity: 0.5;
    }

    100% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 1;
    }
}

.list {
    width: 80%;
    height: 100%;
    margin: 0;
    position: relative;
}

.item {
    position: absolute;
    inset: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;

    /*animacao*/
    transform: translateX(100vw);
    transition: transform 0.8s ease-in-out, opacity 0.8s ease-in-out;
}

.active {
    opacity: 1;
    transform: translateX(0);
}

.product-img {
    width: 45%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 2;

    /*animacao*/
    transform: translateX(200px);
    opacity: 0;
    transition: transform 0.6s ease, opacity 0.6s ease;
    transition-delay: 0.5s;
}

.active .product-img {
    transform: translateX(0);
    opacity: 1;
}

.product-img img {
    max-width: 80%;
    max-width: 60%;
    filter: drop-shadow(0 0 30 rgba(0, 247, 255, 0.733));
}

.content {
    width: 55%;
    padding-right: 80px;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    z-index: 2;
    flex-direction: column;
}

.product-tag {
    font-size: 1rem;
    text-transform: uppercase;
    color: #00f7ff;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 15px;

}

.product-name {
    font-size: 4rem;
    font-family: orbitron, sans-serif;
    line-height: 1.1;
    margin-bottom: 20px;

    transform: translateX(200px);
    opacity: 0;
    transition: transform 0.6s ease, opacity 0.6s ease;
    transition-delay: 0.5s;
}

.active .product-name {
    transform: translateX(0);
    opacity: 1;
}

.description {
    font-size: 1rem;
    color: #b7cfda;
    line-height: 1.6;
    margin-bottom: 30px;
    max-width: 600px;

    transform: translateX(200px);
    opacity: 0;
    transition: transform 0.6s ease, opacity 0.6s ease;
    transition-delay: 0.5s;
}

.active .description {
    transform: translateX(0);
    opacity: 1;
}

.btn {
    padding: 12px 18px;
    background: linear-gradient(90deg, #00f7ff, #0066ff);
    border-radius: 30px;
    color: #000;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
}

.btn:hover {
    background: linear-gradient(90deg, #0066ff, #00f7ff);
    box-shadow: 0 0 15px rgba(0, 247, 255, 0.5);
}

.arrows {
    position: absolute;
    width: 90%;
    justify-content: space-between;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    z-index: 5;
}

.arrow-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(0, 247, 255, 0.3);
}

.arrow-btn:hover {
    background-color: rgba(0, 247, 255, 0.1);
    box-shadow: 0 0 10px rgba(0, 247, 255, 0.5);
}

.indicators {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
    z-index: 5;
}

.numbers {
    font-family: orbitron, sans-serif;
    font-size: 3rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.2);
}

.dots {
    display: flex;
    gap: 15px;
}

.dot {
    width: 40px;
    height: 5px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 2px;

}

.dot.active {
    background-color: #00f7ff;
    box-shadow: 0 0 10px rgba(0, 247, 255, 0.5);
}

.tech-box {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.box {
    position: absolute;
    border-radius: 25%;
    border: 2px solid rgba(0, 247, 255, 0.2);
}

.box:nth-child(1) {
    width: 300px;
    height: 300px;
    top: 10%;
    left: 15%;
}

.box:nth-child(2) {
    width: 150px;
    height: 200px;
    bottom: 15%;
    right: 20%;
}

.box:nth-child(3) {
    width: 200px;
    height: 150px;
    top: 14%;
    right: 30%;
}

.box:nth-child(4) {
    width: 110px;
    height: 140px;
    bottom: 23%;
    left: 40%;
}

@media screen and (max-width:750px) {

    a {
        display: none;
    }

    header nav ul {
        gap: 25px;
    }

    .logo {
        font-size: 1.5rem;
    }

    .list {
        display: contents
    }

    .product-tag {
        font-size: 0.5rem
    }

    .product-name {
        font-size: 2rem;
    }

    .description {
        font-size: 0.5em;
    }

    .active {
        width: 100%;
        height: 100%;
        flex-direction: column;
    }

    .product-img {
        width: 80vw;
        height: 35%;
    }

    .btn {
        display: none;
    }

    .indicators {
        bottom: 5px;

    }

    .numbers {
        font-size: 2rem;
    }

    .dots {
        display: flex;
        gap: 15px;
        align-items: center;
        justify-content: space-between;
    }

    .arrows {
        top: 90%
    }


}