/* --- Thiết lập chung --- */
.context-intro-section {
    position: relative;
    width: 100%;
    min-height: 80vh; /* Giữ độ cao tối thiểu là 1 màn hình */
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;   
    color: #e0e0e0;
}

/* Gradient tối dần từ trái sang phải */
.context-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0,0,0,0.95) 0%, rgba(0,0,0,0.85) 45%, rgba(0,0,0,0.1) 100%);
    z-index: 1;
}

.context-container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.context-content-wrapper-top {
    width: 40%; 
    max-width: 600px;
}

/* Khoảng cách giữa phần Top và Down */
.context-content-wrapper-down {
    width: 100%;
    margin-top: 40px; 
}

/* --- Typography --- */
 
.context-block-down {
    margin-top: 80px;
    position: relative;
}
/* --- Typography --- */
.context-block-top {
    position: relative;
}

.context-title {
    color: #EBC58E; /* Màu vàng kim */
    font-size: 28px;
    font-weight: 400;
    text-transform: uppercase;
    margin-bottom: 20px;
    letter-spacing: 1px;
    line-height: 1.3;
}

.context-desc {
    font-size: 13px;
    line-height: 1.6;
    color: #b0b0b0;
    margin-bottom: 15px;
    text-align: justify;
    opacity: 0.9;
}

/* --- Responsive Mobile --- */
@media (max-width: 992px) {
    .context-content-wrapper-top,
    .context-content-wrapper-down {
        width: 60%;
    }
}

@media (max-width: 768px) {
    .context-intro-section {
        padding: 40px 0;
    }

    .context-overlay {
        background: rgba(0,0,0,0.85);
    }

    .context-content-wrapper-top,
    .context-content-wrapper-down {
        width: 100%; /* Full màn hình mobile */
    }

    .context-content-wrapper-down {
        margin-top: 30px;
    }

    .context-title {
        font-size: 22px;
    }
    
    .context-desc {
        text-align: left;
    }
}

/* --- Animation Classes (Giữ nguyên) --- */
.animate-on-scroll {
    opacity: 0;
    will-change: transform, opacity;
    transition: all 0.8s ease-out;
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translate(0, 0);
}

.from-bottom {
    transform: translateY(30px);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }