/* style/khuyen-mai.css */
.page-khuyen-mai {
    font-family: 'Arial', sans-serif;
    color: #f0f0f0;
    background-color: #1A1A2E;
}

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

.page-khuyen-mai__hero {
    background: linear-gradient(135deg, #1A1A2E, #282A48);
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.page-khuyen-mai__hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin-bottom: 40px;
}

.page-khuyen-mai__hero-title {
    font-size: 3.5em;
    color: #E6B34B;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-khuyen-mai__hero-description {
    font-size: 1.3em;
    color: #e0e0e0;
    margin-bottom: 30px;
    line-height: 1.6;
}

.page-khuyen-mai__hero-btn {
    display: inline-block;
    background-color: #E6B34B;
    color: #1A1A2E;
    padding: 15px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.2em;
    font-weight: bold;
    transition: background-color 0.3s ease, transform 0.3s ease;
    box-shadow: 0 5px 15px rgba(230, 179, 75, 0.4);
}

.page-khuyen-mai__hero-btn:hover {
    background-color: #f5c46b;
    transform: translateY(-3px);
}

.page-khuyen-mai__hero-image-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.15;
}

.page-khuyen-mai__hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.page-khuyen-mai__sections {
    padding: 60px 0;
    background-color: #111122;
}

.page-khuyen-mai__section-heading {
    font-size: 2.8em;
    color: #E6B34B;
    text-align: center;
    margin-bottom: 20px;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

.page-khuyen-mai__section-subheading {
    font-size: 1.1em;
    color: #cccccc;
    text-align: center;
    margin-bottom: 50px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-khuyen-mai__promo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.page-khuyen-mai__promo-card {
    background-color: #1A1A2E;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    text-align: center;
}

.page-khuyen-mai__promo-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6);
}

.page-khuyen-mai__promo-card-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-bottom: 3px solid #E6B34B;
}

.page-khuyen-mai__promo-card-title {
    font-size: 1.8em;
    color: #E6B34B;
    margin: 25px 15px 15px;
}

.page-khuyen-mai__promo-card-text {
    font-size: 1em;
    color: #cccccc;
    padding: 0 20px 20px;
    flex-grow: 1;
    line-height: 1.6;
}

.page-khuyen-mai__promo-card-btn {
    display: inline-block;
    background-color: #E6B34B;
    color: #1A1A2E;
    padding: 12px 25px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    margin: 0 20px 25px;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.page-khuyen-mai__promo-card-btn:hover {
    background-color: #f5c46b;
    transform: translateY(-2px);
}

.page-khuyen-mai__app-download {
    background: linear-gradient(90deg, #1A1A2E, #22223a);
    padding: 80px 0;
}

.page-khuyen-mai__app-download-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
}

.page-khuyen-mai__app-download-content {
    flex: 1;
    min-width: 300px;
}

.page-khuyen-mai__app-download-title {
    font-size: 2.5em;
    color: #E6B34B;
    margin-bottom: 20px;
    line-height: 1.3;
}

.page-khuyen-mai__app-download-description {
    font-size: 1.1em;
    color: #e0e0e0;
    margin-bottom: 30px;
    line-height: 1.6;
}

.page-khuyen-mai__app-download-btn {
    display: inline-block;
    background-color: #E6B34B;
    color: #1A1A2E;
    padding: 15px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.2em;
    font-weight: bold;
    transition: background-color 0.3s ease, transform 0.3s ease;
    box-shadow: 0 5px 15px rgba(230, 179, 75, 0.4);
}

.page-khuyen-mai__app-download-btn:hover {
    background-color: #f5c46b;
    transform: translateY(-3px);
}

.page-khuyen-mai__app-download-image-wrapper {
    flex: 1;
    min-width: 250px;
    text-align: center;
}

.page-khuyen-mai__app-download-image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.page-khuyen-mai__why-choose {
    padding: 60px 0;
    background-color: #111122;
}

.page-khuyen-mai__why-list {
    list-style: none;
    padding: 0;
    margin-top: 40px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.page-khuyen-mai__why-list li {
    background-color: #1A1A2E;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    border-left: 5px solid #E6B34B;
}

.page-khuyen-mai__why-list li p {
    font-size: 1.1em;
    color: #e0e0e0;
    line-height: 1.6;
}

.page-khuyen-mai__why-list li p strong {
    color: #E6B34B;
}

.page-khuyen-mai__cta-bottom {
    text-align: center;
    margin-top: 60px;
}

.page-khuyen-mai__cta-btn {
    display: inline-block;
    background-color: #E6B34B;
    color: #1A1A2E;
    padding: 18px 45px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.3em;
    font-weight: bold;
    transition: background-color 0.3s ease, transform 0.3s ease;
    box-shadow: 0 8px 20px rgba(230, 179, 75, 0.5);
}

.page-khuyen-mai__cta-btn:hover {
    background-color: #f5c46b;
    transform: translateY(-5px);
}

.page-khuyen-mai__faq {
    padding: 60px 0;
    background-color: #1A1A2E;
}

.page-khuyen-mai__faq-item {
    background-color: #22223a;
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-khuyen-mai__faq-question {
    font-size: 1.5em;
    color: #E6B34B;
    margin-bottom: 10px;
}

.page-khuyen-mai__faq-answer {
    font-size: 1em;
    color: #cccccc;
    line-height: 1.6;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .page-khuyen-mai__hero-title {
        font-size: 3em;
    }
    .page-khuyen-mai__section-heading {
        font-size: 2.2em;
    }
    .page-khuyen-mai__app-download-inner {
        flex-direction: column;
        text-align: center;
    }
    .page-khuyen-mai__app-download-content, .page-khuyen-mai__app-download-image-wrapper {
        min-width: unset;
        width: 100%;
    }
    .page-khuyen-mai__app-download-image {
        max-width: 80%;
    }
}

@media (max-width: 768px) {
    .page-khuyen-mai__hero {
        padding: 60px 0;
    }
    .page-khuyen-mai__hero-title {
        font-size: 2.5em;
    }
    .page-khuyen-mai__hero-description {
        font-size: 1.1em;
    }
    .page-khuyen-mai__hero-btn {
        padding: 12px 30px;
        font-size: 1.1em;
    }
    .page-khuyen-mai__sections, .page-khuyen-mai__app-download, .page-khuyen-mai__why-choose, .page-khuyen-mai__faq {
        padding: 40px 0;
    }
    .page-khuyen-mai__section-heading {
        font-size: 2em;
    }
    .page-khuyen-mai__promo-grid {
        grid-template-columns: 1fr;
    }
    .page-khuyen-mai__promo-card-title {
        font-size: 1.5em;
    }
    .page-khuyen-mai__app-download-title {
        font-size: 2em;
    }
    .page-khuyen-mai__app-download-btn {
        padding: 12px 30px;
        font-size: 1.1em;
    }
    .page-khuyen-mai__why-list {
        grid-template-columns: 1fr;
    }
    .page-khuyen-mai__cta-btn {
        padding: 15px 35px;
        font-size: 1.1em;
    }
    .page-khuyen-mai__faq-question {
        font-size: 1.3em;
    }
}

@media (max-width: 480px) {
    .page-khuyen-mai__hero-title {
        font-size: 2em;
    }
    .page-khuyen-mai__hero-description {
        font-size: 1em;
    }
    .page-khuyen-mai__hero-btn {
        font-size: 1em;
        padding: 10px 25px;
    }
    .page-khuyen-mai__section-heading {
        font-size: 1.8em;
    }
    .page-khuyen-mai__section-subheading {
        font-size: 0.9em;
    }
    .page-khuyen-mai__promo-card-image {
        height: 200px;
    }
    .page-khuyen-mai__promo-card-title {
        font-size: 1.3em;
    }
    .page-khuyen-mai__app-download-title {
        font-size: 1.8em;
    }
    .page-khuyen-mai__app-download-description {
        font-size: 0.9em;
    }
    .page-khuyen-mai__app-download-btn {
        font-size: 1em;
        padding: 10px 25px;
    }
    .page-khuyen-mai__cta-btn {
        font-size: 1em;
        padding: 12px 30px;
    }
    .page-khuyen-mai__faq-question {
        font-size: 1.1em;
    }
    .page-khuyen-mai__faq-answer {
        font-size: 0.9em;
    }
}