:root {
    --color-text-dark: #1a1a2e;
    --color-text-muted: #6b7280;
    --color-dot: #5cb88a;         
    --color-dot-hover: #965151;
    --color-badge-default: #e5e7eb;
    --color-badge-hover: #9c6b4e;  /* Màu badge khi hover - nâu ấm */
    --color-badge-text-default: #374151;
    --color-badge-text-hover: #ffffff;
    --color-heading-hover: #1a1a2e;
    --color-line: #e5e7eb;         /* Đường kẻ dọc giữa timeline */
    --transition-speed: 0.6s;     /* Tất cả animation dùng cùng tốc độ */
    --dot-size: 12px;
    --dot-offset: 175px;
    --gap: 50px; /* Khoảng cách giữa 2 cột */
    --col-width: 50%; /* Width mỗi cột */
  }

body{ 
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
}

h3 {
  font-family: 'Space Grotesk', sans-serif;
}

.container{
    display: flex;
    gap: 20px; 
}

.timeline-container{ 
    width: 55%;
    margin-left: 50px;
    margin-top: 20px;
} 

.timeline-item{
    position: relative;
    display: flex;  
    align-items: flex-start;
}

.content-container, .time{
    width: var(--col-width); 
    position: relative; 
    padding-bottom: 20px;
    margin-bottom: 20px; 
}

.content-container{    
    border-radius: 5px;
    text-align: right; 
    margin-right: 50px;
    transition: transform var(--transition-speed) ease; 
} 

.time{    
    margin-top: 10px;  
    padding: 0 10px;
    transition: color var(--transition-speed) ease,
              transform var(--transition-speed) ease;
}

.time::before{
    background-color:  var(--color-dot);
    content: "";
    position: absolute;
    display: block;
    top: -1px;
    left: -50px; 
    width: var(--dot-size);
    height: var(--dot-size); 
    margin: 20px;
    z-index: 2;
    box-shadow: rgb(224, 242, 239) 0px 0px 0px 3px;
    border-radius: 50%; 
    transition: left var(--transition-speed) ease,
                color var(--transition-speed) ease,
              transform var(--transition-speed) ease; 
}

.time::after {
    background-color: var(--color-line); 
    content: "";
    position: absolute;
    display: block;
    left: -25px;
    top: 23px; 
    width: 2px;
    height: var(--dot-offset); 
    z-index: 1;
    transition: left var(--transition-speed) ease,
                color var(--transition-speed) ease,
              transform var(--transition-speed) ease; 
}

.content-container .law-button{
    margin-top: 10px;
    margin-bottom: 10px;
    background-color: var(--color-badge-default);
    font-family: "Space Grotesk", sans-serif;
    font-size: 13px;
    font-weight: bold;
    cursor: pointer;
    text-align: center;
    padding: 8px 15px;
    border: none;
    border-radius: 50px;
    transition: background-color var(--transition-speed) ease,
                color var(--transition-speed) ease;
}

.timeline-item:hover .content-container {
    transform: translateX(380px);
    text-align: left;
}

.timeline-item:hover .time { 
    transform: translateX(-380px); 
} 

.timeline-item:hover .time p{ 
    transform: translateX(220px);
} 

.timeline-item:hover .time::before,
.timeline-item:hover .time::after {  
    transform: translateX(380px); 
} 

.timeline-item:hover .time::before {  
    box-shadow: rgb(224, 242, 239) 0px 0px 0px 6px;
    background-color: var(--color-dot-hover);
} 

.timeline-item:hover .law-button {
    background-color: var(--color-badge-hover);
    color: var(--color-badge-text-hover);
    text-align: center;
}

.image-wrapper {
    position: relative;
    max-width: 400px;
    width: 100%;
    height: 500px;
    margin-top: 40px;
}

.main-img {
    width: 70%;
    position: absolute;
    right: 0;
    top: 0;
}

.sub-img {
    width: 60%;
    position: absolute;
    left: 0;
    bottom: 0;
    z-index: 1;
}

.award-box {
    position: absolute;
    left: 14px; 
    top: 154px;
    width: 170px;
    height: 290px;
    background: linear-gradient(180deg, #ebebeb, #9196c4);
    z-index: 2;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-end;
}

.award-box h3 {
    font-size: 80px;
    font-weight: 700;
    margin: 0; 
    color: transparent;
    background-image: url(../../imgs/big-ben-lock.jpg);
    background-size: cover;
    background-clip: text;
}

.award-box p {
    font-size: 18px;
    font-weight: 500;
    margin: 0;
    color: rgba(255,255,255,0.8);
}

@media (max-width: 768px){

    .container{
        flex-direction: column;
        gap:40px;
        align-items: flex-start;
    }

    .timeline-container{
        width: 90%;
    }

    .time{
        width:100%;
        text-align:left;
    } 

    .content-container{
        width:100%;
        text-align:right;
    }

    .time::before{
        left:-35px;
    }

    .time::after{
        left:-10px;
    }
 
    .timeline-item:hover .content-container{
        transform: translateX(260px);
    }

    .timeline-item:hover .time{
        transform: translateX(-160px);
    }

    .timeline-item:hover .time p{
        transform: translateX(30px);
    }

    .timeline-item:hover .time::before,
    .timeline-item:hover .time::after{
        transform: translateX(160px);
    }

    .image-wrapper{
        margin: 0 auto;
    }

}