/* style/promotions.css */

/* Biến CSS cho màu sắc */
:root {
    --page-promotions-primary-color: #1A202C;
    --page-promotions-accent-color: #FFD700;
    --page-promotions-text-light: #F7FAFC; /* Màu chữ sáng cho nền tối */
    --page-promotions-text-dark: #2D3748; /* Màu chữ tối cho nền sáng */
    --page-promotions-bg-light: #EDF2F7;
    --page-promotions-bg-dark-alt: #2D3748;
    --page-promotions-border-color: #4A5568;
}

.page-promotions {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--page-promotions-text-dark);
    background-color: var(--page-promotions-bg-light);
}

.page-promotions__bg-dark {
    background-color: var(--page-promotions-primary-color);
    color: var(--page-promotions-text-light);
}

.page-promotions__bg-dark .page-promotions__section-title,
.page-promotions__bg-dark .page-promotions__text-content,
.page-promotions__bg-dark .page-promotions__feature-title,
.page-promotions__bg-dark .page-promotions__feature-description,
.page-promotions__bg-dark .page-promotions__promo-type-title,
.page-promotions__bg-dark .page-promotions__promo-type-description,
.page-promotions__bg-dark .page-promotions__promo-card-title,
.page-promotions__bg-dark .page-promotions__promo-card-description,
.page-promotions__bg-dark .page-promotions__guide-title,
.page-promotions__bg-dark .page-promotions__guide-description,
.page-promotions__bg-dark .page-promotions__tips-title,
.page-promotions__bg-dark .page-promotions__tips-description,
.page-promotions__bg-dark .page-promotions__faq-question,
.page-promotions__bg-dark .page-promotions__faq-answer {
    color: var(--page-promotions-text-light);
}

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

/* Hero Section */
.page-promotions__hero-section {
    position: relative;
    background: linear-gradient(135deg, var(--page-promotions-primary-color) 0%, #3A455C 100%); /* Dark gradient */
    color: var(--page-promotions-text-light);
    padding: 80px 0;
    text-align: center;
    overflow: hidden;
}

.page-promotions__hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.2;
    z-index: 0;
}

.page-promotions__hero-section .page-promotions__container {
    position: relative;
    z-index: 1;
}

.page-promotions__hero-title {
    font-size: 3.2em;
    margin-bottom: 20px;
    color: var(--page-promotions-accent-color);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-promotions__hero-description {
    font-size: 1.2em;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */
.page-promotions__btn {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease, transform 0.3s ease;
    white-space: nowrap;
    cursor: pointer;
}

.page-promotions__btn--primary {
    background-color: var(--page-promotions-accent-color);
    color: var(--page-promotions-primary-color);
    border: 2px solid var(--page-promotions-accent-color);
}

.page-promotions__btn--primary:hover {
    background-color: #E6C200; /* Slightly darker gold */
    transform: translateY(-2px);
}

.page-promotions__btn--secondary {
    background-color: transparent;
    color: var(--page-promotions-accent-color);
    border: 2px solid var(--page-promotions-accent-color);
}

.page-promotions__btn--secondary:hover {
    background-color: var(--page-promotions-accent-color);
    color: var(--page-promotions-primary-color);
    transform: translateY(-2px);
}

.page-promotions__btn--small {
    padding: 8px 15px;
    font-size: 0.9em;
}

/* General Content Sections */
.page-promotions__content-section {
    padding: 60px 0;
}

.page-promotions__section-title {
    font-size: 2.5em;
    color: var(--page-promotions-primary-color);
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.page-promotions__bg-dark .page-promotions__section-title {
    color: var(--page-promotions-accent-color);
}

.page-promotions__section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: var(--page-promotions-accent-color);
    margin: 15px auto 0;
    border-radius: 2px;
}

.page-promotions__text-content {
    font-size: 1.1em;
    text-align: center;
    max-width: 900px;
    margin: 0 auto 30px auto;
}

.page-promotions__image {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 30px auto;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* Features Grid */
.page-promotions__features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
    margin-bottom: 40px;
}

.page-promotions__feature-item {
    background-color: var(--page-promotions-bg-dark-alt);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.page-promotions__feature-item:hover {
    transform: translateY(-5px);
}

.page-promotions__feature-title {
    font-size: 1.6em;
    color: var(--page-promotions-accent-color);
    margin-bottom: 15px;
}

.page-promotions__feature-description {
    font-size: 1em;
    color: var(--page-promotions-text-light);
}

/* Promo Types Grid */
.page-promotions__promo-types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-promotions__promo-type-item {
    background-color: var(--page-promotions-bg-light);
    border: 1px solid var(--page-promotions-border-color);
    border-radius: 10px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-promotions__bg-dark .page-promotions__promo-type-item {
    background-color: var(--page-promotions-bg-dark-alt);
    border-color: var(--page-promotions-border-color);
}

.page-promotions__promo-type-item:hover {
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.page-promotions__promo-type-title {
    font-size: 1.5em;
    color: var(--page-promotions-primary-color);
    margin-bottom: 10px;
}

.page-promotions__bg-dark .page-promotions__promo-type-title {
    color: var(--page-promotions-accent-color);
}

.page-promotions__promo-type-description {
    font-size: 0.95em;
    color: var(--page-promotions-text-dark);
    margin-bottom: 20px;
    flex-grow: 1;
}

.page-promotions__bg-dark .page-promotions__promo-type-description {
    color: var(--page-promotions-text-light);
}

/* Promo List (Cards) */
.page-promotions__promo-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-top: 40px;
}

.page-promotions__promo-card {
    display: flex;
    flex-direction: column;
    background-color: var(--page-promotions-bg-light);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

.page-promotions__bg-dark .page-promotions__promo-card {
    background-color: var(--page-promotions-bg-dark-alt);
}

.page-promotions__promo-card:hover {
    transform: translateY(-8px);
}

.page-promotions__promo-card-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.page-promotions__promo-card-content {
    padding: 30px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.page-promotions__promo-card-title {
    font-size: 1.8em;
    color: var(--page-promotions-primary-color);
    margin-bottom: 15px;
}

.page-promotions__bg-dark .page-promotions__promo-card-title {
    color: var(--page-promotions-accent-color);
}

.page-promotions__promo-card-description {
    font-size: 1em;
    color: var(--page-promotions-text-dark);
    margin-bottom: 25px;
    flex-grow: 1;
}

.page-promotions__bg-dark .page-promotions__promo-card-description {
    color: var(--page-promotions-text-light);
}

.page-promotions__cta-bottom {
    text-align: center;
    margin-top: 50px;
}

/* Guide List */
.page-promotions__guide-list {
    list-style: none;
    padding: 0;
    margin-top: 40px;
}

.page-promotions__guide-list li {
    background-color: var(--page-promotions-bg-light);
    border-left: 5px solid var(--page-promotions-accent-color);
    padding: 25px;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.page-promotions__bg-dark .page-promotions__guide-list li {
    background-color: var(--page-promotions-bg-dark-alt);
    border-color: var(--page-promotions-accent-color);
}

.page-promotions__guide-title {
    font-size: 1.5em;
    color: var(--page-promotions-primary-color);
    margin-bottom: 10px;
}

.page-promotions__bg-dark .page-promotions__guide-title {
    color: var(--page-promotions-accent-color);
}

.page-promotions__guide-description {
    font-size: 1em;
    color: var(--page-promotions-text-dark);
    margin-bottom: 15px;
}

.page-promotions__bg-dark .page-promotions__guide-description {
    color: var(--page-promotions-text-light);
}

/* Tips List */
.page-promotions__tips-list {
    list-style: none;
    padding: 0;
    margin-top: 40px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.page-promotions__tips-list li {
    background-color: var(--page-promotions-bg-light);
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.page-promotions__bg-dark .page-promotions__tips-list li {
    background-color: var(--page-promotions-bg-dark-alt);
}

.page-promotions__tips-list li:hover {
    transform: translateY(-5px);
}

.page-promotions__tips-title {
    font-size: 1.4em;
    color: var(--page-promotions-primary-color);
    margin-bottom: 10px;
}

.page-promotions__bg-dark .page-promotions__tips-title {
    color: var(--page-promotions-accent-color);
}

.page-promotions__tips-description {
    font-size: 0.95em;
    color: var(--page-promotions-text-dark);
}

.page-promotions__bg-dark .page-promotions__tips-description {
    color: var(--page-promotions-text-light);
}

/* FAQ Section */
.page-promotions__faq-list {
    margin-top: 40px;
}

.page-promotions__faq-item {
    background-color: var(--page-promotions-bg-light);
    border: 1px solid var(--page-promotions-border-color);
    border-radius: 8px;
    margin-bottom: 15px;
    padding: 20px;
}

.page-promotions__bg-dark .page-promotions__faq-item {
    background-color: var(--page-promotions-bg-dark-alt);
    border-color: var(--page-promotions-border-color);
}

.page-promotions__faq-question {
    font-size: 1.3em;
    color: var(--page-promotions-primary-color);
    margin-bottom: 10px;
    cursor: pointer;
    position: relative;
    padding-right: 30px;
}

.page-promotions__bg-dark .page-promotions__faq-question {
    color: var(--page-promotions-accent-color);
}

.page-promotions__faq-question::after {
    content: '+';
    position: absolute;
    right: 0;
    top: 0;
    font-size: 1.2em;
    transition: transform 0.3s ease;
}

.page-promotions__faq-question.active::after {
    transform: rotate(45deg);
}

.page-promotions__faq-answer {
    font-size: 1em;
    color: var(--page-promotions-text-dark);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease-out, opacity 0.5s ease-out;
    opacity: 0;
}

.page-promotions__faq-answer.active {
    max-height: 200px; /* Adjust as needed */
    opacity: 1;
    margin-top: 10px;
}

.page-promotions__bg-dark .page-promotions__faq-answer {
    color: var(--page-promotions-text-light);
}

/* Conclusion Section */
.page-promotions__conclusion-section {
    text-align: center;
    padding: 80px 0;
    background: linear-gradient(135deg, #3A455C 0%, var(--page-promotions-primary-color) 100%);
    color: var(--page-promotions-text-light);
}

.page-promotions__conclusion-section .page-promotions__section-title {
    color: var(--page-promotions-accent-color);
}

.page-promotions__conclusion-section .page-promotions__text-content {
    color: var(--page-promotions-text-light);
    margin-bottom: 40px;
}

/* Responsive Design */
@media (min-width: 768px) {
    .page-promotions__promo-list {
        grid-template-columns: repeat(2, 1fr);
    }
    .page-promotions__promo-card {
        flex-direction: row;
    }
    .page-promotions__promo-card-image {
        width: 40%;
        height: auto;
    }
    .page-promotions__promo-card-content {
        width: 60%;
    }
}

@media (min-width: 1024px) {
    .page-promotions__hero-title {
        font-size: 4em;
    }
    .page-promotions__section-title {
        font-size: 3em;
    }
    .page-promotions__promo-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767px) {
    .page-promotions__hero-title {
        font-size: 2.5em;
    }
    .page-promotions__section-title {
        font-size: 2em;
    }
    .page-promotions__hero-description,
    .page-promotions__text-content {
        font-size: 1em;
    }
    .page-promotions__btn {
        padding: 10px 20px;
        font-size: 0.9em;
    }
    .page-promotions__promo-card-image {
        height: 200px;
    }
    .page-promotions__promo-card-title {
        font-size: 1.5em;
    }
    .page-promotions__promo-card-content {
        padding: 20px;
    }
    .page-promotions__features-grid,
    .page-promotions__promo-types-grid,
    .page-promotions__tips-list {
        grid-template-columns: 1fr;
    }
}