.header{
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem;
    background-color: rgba(10, 7, 32, 0.2);
    z-index: 10000;
}
.title,.nav{
    display: flex;
    gap: 1rem;
}
.group{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.title{
    font-size: 18px;
}
.title:hover .title-pokeland.hub {
    color: white;
}
.hub{
    color: gray;
    font-size: 12px;
    transition: 0.5s ease-in-out;
}
.hub:hover{
    color: white;
}
.rules {
    background-image: url('../icons/Rule.png');
}
.brackets{
    background-image: url('../icons/Brackets.png');
}
.tournament{
    background-image: url('../icons/Trophy.png');
}
.breakdown{
    background-image: url('../icons/Calendar.png?v=1');
}
.rules, .brackets, .tournament, .breakdown {
    position: relative;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    filter: brightness(0) invert(1);
    padding-left: 2.5em; 
    background-repeat: no-repeat;
    background-position: 0.8em center; 
    background-size: 1em;
}
.rules::before, .brackets::before, .tournament::before, .breakdown::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.3s ease;
    z-index: 1;
}
.rules:hover::before, .brackets:hover::before, .tournament:hover::before, .breakdown:hover::before {
    left: 100%;
    cursor: pointer;
}
.rules::after, .brackets::after, .tournament::after, .breakdown:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: white;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}
.rules:hover::after, .brackets:hover::after, .tournament:hover::after, .breakdown:hover:after {
    width: 100%;
}
.rules:hover, .brackets:hover, .tournament:hover, .breakdown:hover {
    transform: translateY(-1px);
    background-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.button {
    font-size: 18px;
    min-width: 120px;
    position: relative;
    cursor: pointer;
    padding: 12px 17px;
    border: 0;
    border-radius: 10px;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.4);
    background: none;
    color: gray;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.3s ease;
    z-index: 1;
}

.button:hover::before {
    left: 100%;
}
.button:hover {
    transform: translateY(-1px);
    background-color: rgba(255, 255, 255, 0.1);
    box-shadow: 
        inset 0 0 0 1px rgba(255, 255, 255, 0.8),
        0 8px 25px rgba(0, 0, 0, 0.3);
    color: white; 
    cursor: pointer;
}