* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    list-style: none;
    font-family: "Montserrat", sans-serif;

}

body {
    background: linear-gradient(135deg, #f8fcff 0%, #edf6ff 45%, #ffffff 100%);
    color: #1f2c3a;
    font-size: 16px;
    overflow: hidden;
}

header {
    position: fixed;
    width: 90vw;
    top: 0;
    padding: 20px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 3;
}

.logo {
    font-family: "Orbitron", sans-serif;
    font-size: 3rem;
    font-weight: 100;
    color: #0649f0;
    text-shadow: 0 0 10px rgba(9, 73, 236, 0.2);
    text-decoration: none;

    

}
.texto-vitaluxa {
  
  color: #010b13e3;
  font-size: 20px;
  font-weight: bold;
  font-family: sans-serif;
  float:right;
  margin-right:520px; 
  display:flex;
}

nav ul li a {
  text-decoration: none;
  font-size: 1rem;
    text-transform: uppercase;
    color: #3d36bc;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 10px;

    
}

header nav ul {
    display: flex;
    gap: 48px;

}

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: #6da8ff;
    transition: width 0.2s ease;


}

header nav ul li:hover::after {
    width: 100%;
}

.container {
    height: 100vh;
    position: relative;
    background: linear-gradient(135deg, #f9fcff 0%, #eaf4ff 55%, #fdfefe 100%);
    overflow: hidden;
}

.container::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(109, 168, 255, 0.18) 0%, rgba(255, 255, 255, 0) 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    filter: blur(50px);
    z-index: 1;
    animation: pulse 4s infinite alternate;
}

@keyframes pulse {
    0% {
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(0.8);
    }

    100% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.5);
    }
}

.list {
    width: 80%;
    height: 100%;
    margin: 0 auto;
    position: relative;
}

.item {
    position: absolute;
    inset: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;

    /* animação*/

    transform: translateX(100vw);
    transition: transform 0.7s ease-in-out,opacity 0.7s ease-in-out;


}

.active {
    opacity: 1;
    transform: translateX(0);
}

.product-img {
    width: 80%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;

}

.product-img img {
    max-width: 80%;
    max-height: 60%;
    filter: drop-shadow(0 0 30px rgba(109, 168, 255, 0.22));

    /* animação*/
    transform: translateX(400px);
    opacity: 0;
    transition:  transform 0.6s ease,opacity 0.6s ease;
    transition-delay: 0.5s;
    
    
}
.active .product-img img{
    transform: translateX(0);
    opacity: 1;
}

.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: #0522dba4;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 10px;

    transform: translateX(400px);
    opacity: 0;
    transition:  transform 0.6s ease,opacity 0.6s ease;
    transition-delay: 0.5s;

}

.active .product-tag{
    transform: translateX(0);
    opacity: 1;
}

.product-name {
    font-size: 3rem;
    font-family:  sans-serif;
    line-height: 1.1;
    margin-bottom: 20px;

      /* animação*/
    transform: translateX(400px);
    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: 1.1rem;
    color: #000000;
    line-height: 1.6;
    margin-bottom: 30px;
    max-width: 600px;

     /* animação*/
    transform: translateX(400px);
    opacity: 0;
    transition:  transform 0.6s ease,opacity 0.6s ease;
    transition-delay: 0.5s;
}

.active .description{
    transform: translateX(0);
    opacity: 1;

}

.btn {
    position: relative;
    z-index: 999;
    pointer-events: auto;
    isolation: isolate;
    padding: 12px 16px 15px 15px;
    background: linear-gradient(135deg, #0f4c81 0%, #1f78d1 100%);
    border-radius: 6px;
    color: #ffffff;
    font-size: 1rem;
    font-weight: 800;
    cursor: pointer;
    border: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    margin-top: 5px;
    white-space: nowrap;
}
    

.arrows {
    position: absolute;
    width: 90%;
    display: flex;
    justify-content: space-between;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 5;
    pointer-events: none;

}

.arrow-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    background: linear-gradient(135deg, #0f4c81 0%, #1f78d1 100%);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #ffffff;
    box-shadow: 0 0 12px rgba(15, 76, 129, 0.25);
    pointer-events: auto;
}

.arrow-btn:hover {
    background-color: rgba(0, 247, 255, 0.2);
    border-color: #00f7ff;


}

.indicators {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    z-index: 5;
}

.numbers {
    font-family: "Orbitron", sans-serif;
    font-size: 2rem;
    font-weight: 50;
    color: rgba(73, 5, 246, 0.996);

}

.dots {
    display: flex;
    gap: 10px;

}

.dot {
    width: 40px;
    height: 4px;
    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-circle{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;

}

.circle{
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(0, 247, 255, 0.2);

}
.circle:nth-child(1){
    width:200px;
    height: 200px;
    top: 10%;
    left: 10%;

}

.circle:nth-child(2){
    width:300px;
    height: 300px;
    top: 60%;
    left: 80%;
    
}

.circle:nth-child(3){
    width:150px;
    height: 150px;
    top: 70%;
    left:20%;
    
}

.circle:nth-child(4){
    width:120px;
    height: 120px;
    top: 20%;
    left: 70%;
    
}

@media (max-width: 900px) {
    body {
        overflow-y: auto;
    }

    header {
        width: 100%;
        padding: 16px 24px;
    }

    .logo {
        font-size: 2.2rem;
    }

    .texto-vitaluxa {
        float: none;
        margin-right: 0;
        font-size: 1rem;
    }

    header nav ul {
        gap: 20px;
    }

    header nav ul li a {
        font-size: 0.8rem;
        letter-spacing: 1px;
    }

    .list {
        width: 100%;
        padding: 88px 72px 92px;
    }

    .item {
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 24px;
        overflow-y: auto;
        padding: 10px 0 20px;
    }

    .product-img {
        width: 100%;
        height: 30vh;
        min-height: 180px;
        flex-shrink: 0;
    }

    .product-img img {
        max-width: 80%;
        max-height: 100%;
    }

    .content {
        width: 100%;
        padding-right: 0;
        align-items: center;
        text-align: center;
        padding-inline: 8px;
    }

    .product-tag {
        font-size: 0.82rem;
        line-height: 1.4;
        margin-bottom: 8px;
    }

    .product-name {
        font-size: 2rem;
        line-height: 1.15;
        margin-bottom: 12px;
    }

    .description {
        max-width: 620px;
        font-size: 0.98rem;
        line-height: 1.55;
        margin-bottom: 6px;
    }

    .btn {
        flex-shrink: 0;
        align-self: center;
        margin-top: 0;
    }

    .arrows {
        width: calc(100% - 28px);
        top: 50%;
        transform: translate(-50%, -50%);
    }

    .arrow-btn {
        width: 44px;
        height: 44px;
    }

    .indicators {
        bottom: 16px;
        gap: 8px;
    }

    .numbers {
        font-size: 1.5rem;
    }
}

@media (max-width: 600px) {
    header {
        display: grid;
        grid-template-columns: 1fr auto;
        gap: 4px 12px;
        align-items: center;
    }

    .logo {
        font-size: 1.8rem;
    }

    .texto-vitaluxa {
        justify-self: end;
        font-size: 0.85rem;
    }

    header nav {
        grid-column: 1 / -1;
    }

    header nav ul {
        justify-content: center;
        gap: 14px;
    }

    header nav ul li a {
        font-size: 0.68rem;
    }

    .list {
        padding: 112px 58px 92px;
    }

    .item {
        gap: 18px;
    }

    .product-img {
        height: 24vh;
        min-height: 140px;
    }

    .product-name {
        font-size: 1.55rem;
    }

    .description {
        font-size: 0.88rem;
        line-height: 1.45;
    }

    .product-tag {
        font-size: 0.72rem;
    }

    .btn {
        padding: 10px 14px;
        font-size: 0.9rem;
    }

    .arrows {
        width: calc(100% - 18px);
    }
}