/* style/khuyn-mi.css */
.page-khuyn-mi {
    font-family: 'Arial', sans-serif;
    color: #e5dfd3; /* Light text for dark background */
    background-color: #1A202C; /* Auxiliary color as main background */
}

.page-khuyn-mi__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.page-khuyn-mi__hero {
    background: linear-gradient(135deg, #1A202C 0%, #3a475a 100%);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-bottom: 5px solid #FFD700;
}

.page-khuyn-mi__hero-title {
    font-size: 3.5em;
    color: #FFD700;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    font-weight: bold;
}

.page-khuyn-mi__hero-subtitle {
    font-size: 1.3em;
    color: #e5dfd3;
    max-width: 800px;
    margin: 0 auto 40px auto;
    line-height: 1.6;
}

.page-khuyn-mi__section {
    padding: 60px 0;
    background-color: #1A202C;
}

.page-khuyn-mi__section:nth-of-type(even) {
    background-color: #2a3340;
}

.page-khuyn-mi__section-title {
    font-size: 2.8em;
    color: #FFD700;
    text-align: center;
    margin-bottom: 25px;
    font-weight: bold;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.4);
}

.page-khuyn-mi__section-description {
    font-size: 1.1em;
    color: #d1d1d1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto 50px auto;
    line-height: 1.7;
}

.page-khuyn-mi__btn {
    display: inline-block;
    padding: 15px 35px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    text-align: center;
}

.page-khuyn-mi__btn--primary {
    background-color: #FFD700;
    color: #1A202C;
    box-shadow: 0 5px 15px rgba(255, 215, 0, 0.4);
}

.page-khuyn-mi__btn--primary:hover {
    background-color: #e6c200;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(255, 215, 0, 0.6);
}

.page-khuyn-mi__btn--secondary {
    background-color: #3a475a;
    color: #FFD700;
    border: 2px solid #FFD700;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-khuyn-mi__btn--secondary:hover {
    background-color: #4a5a6d;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

.page-khuyn-mi__card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-khuyn-mi__card {
    background-color: #2a3340;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.page-khuyn-mi__card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.6);
}

.page-khuyn-mi__card-img {
    width: 100%;
    max-width: 250px;
    height: auto;
    border-radius: 10px;
    margin-bottom: 25px;
    object-fit: cover;
    aspect-ratio: 16/9;
    border: 3px solid #FFD700;
}

.page-khuyn-mi__card-title {
    font-size: 1.8em;
    color: #FFD700;
    margin-bottom: 15px;
    font-weight: bold;
}

.page-khuyn-mi__card-text {
    font-size: 1em;
    color: #d1d1d1;
    line-height: 1.6;
    margin-bottom: 25px;
    flex-grow: 1;
}

.page-khuyn-mi__feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-khuyn-mi__feature-item {
    background-color: #2a3340;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.page-khuyn-mi__feature-item:hover {
    transform: translateY(-8px);
}

.page-khuyn-mi__feature-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 5px #FFD700);
}

.page-khuyn-mi__feature-title {
    font-size: 1.6em;
    color: #FFD700;
    margin-bottom: 15px;
    font-weight: bold;
}

.page-khuyn-mi__feature-text {
    font-size: 0.95em;
    color: #d1d1d1;
    line-height: 1.6;
}

.page-khuyn-mi__list {
    list-style: none;
    padding: 0;
    margin-top: 40px;
}

.page-khuyn-mi__list li {
    background-color: #2a3340;
    border-left: 5px solid #FFD700;
    margin-bottom: 20px;
    padding: 25px 30px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.page-khuyn-mi__list li h3 {
    color: #FFD700;
    font-size: 1.8em;
    margin-bottom: 10px;
    font-weight: bold;
}

.page-khuyn-mi__list li p {
    color: #d1d1d1;
    font-size: 1em;
    line-height: 1.7;
}

.page-khuyn-mi__vip-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-khuyn-mi__vip-item {
    background-color: #2a3340;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.page-khuyn-mi__vip-item:hover {
    transform: translateY(-8px);
}

.page-khuyn-mi__vip-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 5px #FFD700);
}

.page-khuyn-mi__vip-title {
    font-size: 1.6em;
    color: #FFD700;
    margin-bottom: 15px;
    font-weight: bold;
}

.page-khuyn-mi__vip-item p {
    font-size: 0.95em;
    color: #d1d1d1;
    line-height: 1.6;
}

.page-khuyn-mi__steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-khuyn-mi__step-item {
    background-color: #2a3340;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.page-khuyn-mi__step-number {
    background-color: #FFD700;
    color: #1A202C;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2em;
    font-weight: bold;
    margin-bottom: 20px;
    box-shadow: 0 4px 10px rgba(255, 215, 0, 0.5);
}

.page-khuyn-mi__step-title {
    font-size: 1.6em;
    color: #FFD700;
    margin-bottom: 15px;
    font-weight: bold;
}

.page-khuyn-mi__step-item p {
    font-size: 0.95em;
    color: #d1d1d1;
    line-height: 1.6;
}

.page-khuyn-mi__step-item p a {
    color: #FFD700;
    text-decoration: none;
    font-weight: bold;
}

.page-khuyn-mi__step-item p a:hover {
    text-decoration: underline;
}

.page-khuyn-mi__terms-list {
    list-style: disc;
    color: #d1d1d1;
    max-width: 900px;
    margin: 40px auto 0 auto;
    padding-left: 20px;
    font-size: 1em;
    line-height: 1.8;
}

.page-khuyn-mi__terms-list li {
    margin-bottom: 15px;
}

.page-khuyn-mi__terms-list li .text-highlight {
    color: #FFD700;
    font-weight: bold;
}

.page-khuyn-mi__cta-center {
    text-align: center;
    margin-top: 50px;
}

.page-khuyn-mi__cta-group {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
}

.page-khuyn-mi__final-cta .page-khuyn-mi__btn {
    min-width: 250px;
}

.text-highlight {
    color: #FFD700;
}

/* Responsive adjustments */
@media (max-width: 992px) {
    .page-khuyn-mi__hero-title {
        font-size: 2.8em;
    }
    .page-khuyn-mi__section-title {
        font-size: 2.2em;
    }
    .page-khuyn-mi__card-grid, .page-khuyn-mi__feature-list, .page-khuyn-mi__vip-benefits, .page-khuyn-mi__steps-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .page-khuyn-mi__hero {
        padding: 80px 0 50px;
    }
    .page-khuyn-mi__hero-title {
        font-size: 2.2em;
    }
    .page-khuyn-mi__hero-subtitle {
        font-size: 1em;
    }
    .page-khuyn-mi__section {
        padding: 40px 0;
    }
    .page-khuyn-mi__section-title {
        font-size: 1.8em;
    }
    .page-khuyn-mi__section-description {
        font-size: 0.9em;
        margin-bottom: 30px;
    }
    .page-khuyn-mi__btn {
        padding: 12px 25px;
        font-size: 1em;
    }
    .page-khuyn-mi__card, .page-khuyn-mi__feature-item, .page-khuyn-mi__vip-item, .page-khuyn-mi__step-item {
        padding: 20px;
    }
    .page-khuyn-mi__card-title, .page-khuyn-mi__feature-title, .page-khuyn-mi__vip-title, .page-khuyn-mi__step-title, .page-khuyn-mi__list li h3 {
        font-size: 1.4em;
    }
    .page-khuyn-mi__card-text, .page-khuyn-mi__feature-text, .page-khuyn-mi__vip-item p, .page-khuyn-mi__step-item p, .page-khuyn-mi__list li p, .page-khuyn-mi__terms-list {
        font-size: 0.9em;
    }
    .page-khuyn-mi__terms-list {
        padding-left: 15px;
    }
    .page-khuyn-mi__cta-group {
        flex-direction: column;
        align-items: center;
    }
    .page-khuyn-mi__final-cta .page-khuyn-mi__btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .page-khuyn-mi__hero-title {
        font-size: 1.8em;
    }
    .page-khuyn-mi__section-title {
        font-size: 1.6em;
    }
    .page-khuyn-mi__btn {
        width: 100%;
        max-width: 280px;
    }
    .page-khuyn-mi__card-grid, .page-khuyn-mi__feature-list, .page-khuyn-mi__vip-benefits, .page-khuyn-mi__steps-grid {
        grid-template-columns: 1fr;
    }
}