/* style/promotions.css */

/* Biến CSS */
:root {
    --page-promotions-primary-color: #1A2B4C;
    --page-promotions-accent-color: #FFD700;
    --page-promotions-text-light: #F0F0F0;
    --page-promotions-text-dark: #333333;
    --page-promotions-bg-dark: #0F1E38;
    --page-promotions-bg-light: #FFFFFF;
    --page-promotions-border-color: #3A4B6C;
}

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

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

.page-promotions__section {
    padding: 60px 0;
    text-align: center;
}

.page-promotions__section:nth-of-type(even) {
    background-color: var(--page-promotions-bg-dark);
    color: var(--page-promotions-text-light);
}

.page-promotions__section:nth-of-type(even) .page-promotions__section-title,
.page-promotions__section:nth-of-type(even) .page-promotions__section-intro,
.page-promotions__section:nth-of-type(even) .page-promotions__benefit-title,
.page-promotions__section:nth-of-type(even) .page-promotions__benefit-text,
.page-promotions__section:nth-of-type(even) .page-promotions__category-title,
.page-promotions__section:nth-of-type(even) .page-promotions__offer-name,
.page-promotions__section:nth-of-type(even) .page-promotions__offer-description,
.page-promotions__section:nth-of-type(even) .page-promotions__guide-step-title,
.page-promotions__section:nth-of-type(even) .page-promotions__guide-step-text,
.page-promotions__section:nth-of-type(even) .page-promotions__faq-question,
.page-promotions__section:nth-of-type(even) .page-promotions__faq-answer,
.page-promotions__section:nth-of-type(even) .page-promotions__detail-title a,
.page-promotions__section:nth-of-type(even) .page-promotions__detail-description,
.page-promotions__section:nth-of-type(even) .page-promotions__cta-title,
.page-promotions__section:nth-of-type(even) .page-promotions__cta-description {
    color: var(--page-promotions-text-light);
}

.page-promotions__section-title {
    font-size: 2.8em;
    margin-bottom: 20px;
    color: var(--page-promotions-primary-color);
    font-weight: bold;
    text-transform: uppercase;
}

.page-promotions__section:nth-of-type(even) .page-promotions__section-title {
    color: var(--page-promotions-accent-color);
}

.page-promotions__section-intro {
    font-size: 1.1em;
    max-width: 800px;
    margin: 0 auto 40px;
    color: var(--page-promotions-text-dark);
}

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

.page-promotions__btn--primary {
    background-color: var(--page-promotions-accent-color);
    color: var(--page-promotions-primary-color);
    font-size: 1.1em;
}

.page-promotions__btn--primary:hover {
    background-color: #FFC107; /* Slightly darker gold */
}

.page-promotions__btn--secondary {
    background-color: var(--page-promotions-primary-color);
    color: var(--page-promotions-text-light);
    padding: 10px 20px;
    font-size: 0.95em;
}

.page-promotions__btn--secondary:hover {
    background-color: #0F1E38;
}

.page-promotions__btn--link {
    background-color: transparent;
    color: var(--page-promotions-accent-color);
    border: 1px solid var(--page-promotions-accent-color);
    padding: 8px 15px;
    font-size: 0.9em;
}

.page-promotions__btn--link:hover {
    background-color: var(--page-promotions-accent-color);
    color: var(--page-promotions-primary-color);
}

/* Hero Section */
.page-promotions__hero-section {
    background: linear-gradient(135deg, var(--page-promotions-primary-color) 0%, #3A4B6C 100%);
    color: var(--page-promotions-text-light);
    padding: 80px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    overflow: hidden;
    text-align: center;
}

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

.page-promotions__hero-title {
    font-size: 3.8em;
    margin-bottom: 20px;
    color: var(--page-promotions-accent-color);
    font-weight: 900;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-promotions__hero-description {
    font-size: 1.3em;
    max-width: 900px;
    margin: 0 auto 40px;
    line-height: 1.5;
}

.page-promotions__hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
    z-index: 0;
}

/* Benefits Grid */
.page-promotions__benefits .page-promotions__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-promotions__benefit-item {
    background-color: var(--page-promotions-bg-light);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: left;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    color: var(--page-promotions-text-dark);
}

.page-promotions__section:nth-of-type(even) .page-promotions__benefit-item {
    background-color: var(--page-promotions-primary-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-promotions__benefit-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

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

.page-promotions__section:nth-of-type(even) .page-promotions__benefit-title {
    color: var(--page-promotions-accent-color);
}

.page-promotions__benefit-text {
    font-size: 1em;
    color: var(--page-promotions-text-dark);
}

.page-promotions__section:nth-of-type(even) .page-promotions__benefit-text {
    color: var(--page-promotions-text-light);
}

/* Offer Types */
.page-promotions__offer-category {
    margin-bottom: 60px;
}

.page-promotions__category-title {
    font-size: 2.2em;
    color: var(--page-promotions-primary-color);
    margin-bottom: 30px;
    font-weight: bold;
    text-align: left;
    border-bottom: 3px solid var(--page-promotions-accent-color);
    padding-bottom: 10px;
}

.page-promotions__section:nth-of-type(even) .page-promotions__category-title {
    color: var(--page-promotions-accent-color);
    border-color: var(--page-promotions-primary-color);
}

.page-promotions__offer-card {
    display: flex;
    align-items: center;
    background-color: var(--page-promotions-bg-light);
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    text-align: left;
    margin-bottom: 30px;
}

.page-promotions__section:nth-of-type(even) .page-promotions__offer-card {
    background-color: var(--page-promotions-primary-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-promotions__offer-image {
    width: 40%;
    height: 300px;
    object-fit: cover;
}

.page-promotions__offer-content {
    width: 60%;
    padding: 30px;
}

.page-promotions__offer-name {
    font-size: 1.8em;
    color: var(--page-promotions-primary-color);
    margin-bottom: 15px;
    font-weight: bold;
}

.page-promotions__section:nth-of-type(even) .page-promotions__offer-name {
    color: var(--page-promotions-accent-color);
}

.page-promotions__offer-description {
    font-size: 1em;
    color: var(--page-promotions-text-dark);
    margin-bottom: 20px;
}

.page-promotions__section:nth-of-type(even) .page-promotions__offer-description {
    color: var(--page-promotions-text-light);
}

/* Guide Section */
.page-promotions__guide-list {
    list-style: none;
    padding: 0;
    text-align: left;
    max-width: 900px;
    margin: 50px auto 0;
}

.page-promotions__guide-list li {
    background-color: var(--page-promotions-bg-light);
    border: 1px solid var(--page-promotions-border-color);
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    counter-increment: step-counter;
    position: relative;
    padding-left: 70px; /* Space for step number */
    color: var(--page-promotions-text-dark);
}

.page-promotions__section:nth-of-type(even) .page-promotions__guide-list li {
    background-color: var(--page-promotions-primary-color);
    border-color: var(--page-promotions-accent-color);
}

.page-promotions__guide-list li::before {
    content: counter(step-counter);
    position: absolute;
    left: 20px;
    top: 20px;
    width: 40px;
    height: 40px;
    background-color: var(--page-promotions-accent-color);
    color: var(--page-promotions-primary-color);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5em;
    font-weight: bold;
}

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

.page-promotions__section:nth-of-type(even) .page-promotions__guide-step-title {
    color: var(--page-promotions-accent-color);
}

.page-promotions__guide-step-text {
    font-size: 1em;
    color: var(--page-promotions-text-dark);
}

.page-promotions__section:nth-of-type(even) .page-promotions__guide-step-text {
    color: var(--page-promotions-text-light);
}

/* FAQ Section */
.page-promotions__faq-item {
    background-color: var(--page-promotions-bg-light);
    border: 1px solid var(--page-promotions-border-color);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 15px;
    text-align: left;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    color: var(--page-promotions-text-dark);
}

.page-promotions__section:nth-of-type(even) .page-promotions__faq-item {
    background-color: var(--page-promotions-primary-color);
    border-color: var(--page-promotions-accent-color);
}

.page-promotions__faq-question {
    font-size: 1.4em;
    color: var(--page-promotions-primary-color);
    margin-bottom: 10px;
    cursor: pointer;
    position: relative;
    padding-right: 30px;
}

.page-promotions__section:nth-of-type(even) .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;
    font-weight: bold;
    color: var(--page-promotions-accent-color);
}

.page-promotions__faq-question.active::after {
    content: '-';
}

.page-promotions__faq-answer {
    font-size: 1em;
    color: var(--page-promotions-text-dark);
    display: none;
    padding-top: 10px;
    border-top: 1px solid var(--page-promotions-border-color);
    margin-top: 10px;
}

.page-promotions__section:nth-of-type(even) .page-promotions__faq-answer {
    color: var(--page-promotions-text-light);
    border-color: var(--page-promotions-accent-color);
}

.page-promotions__faq-answer.active {
    display: block;
}

/* Detail List */
.page-promotions__detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-promotions__detail-item {
    background-color: var(--page-promotions-bg-light);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: left;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    color: var(--page-promotions-text-dark);
}

.page-promotions__section:nth-of-type(even) .page-promotions__detail-item {
    background-color: var(--page-promotions-primary-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-promotions__detail-title {
    font-size: 1.6em;
    margin-bottom: 10px;
}

.page-promotions__detail-title a {
    color: var(--page-promotions-primary-color);
    text-decoration: none;
    font-weight: bold;
}

.page-promotions__section:nth-of-type(even) .page-promotions__detail-title a {
    color: var(--page-promotions-accent-color);
}

.page-promotions__detail-title a:hover {
    text-decoration: underline;
}

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

.page-promotions__section:nth-of-type(even) .page-promotions__detail-description {
    color: var(--page-promotions-text-light);
}

/* CTA Section */
.page-promotions__cta {
    background-color: var(--page-promotions-primary-color);
    color: var(--page-promotions-text-light);
    padding: 80px 0;
}

.page-promotions__cta-title {
    font-size: 3em;
    color: var(--page-promotions-accent-color);
    margin-bottom: 20px;
    font-weight: bold;
}

.page-promotions__cta-description {
    font-size: 1.2em;
    max-width: 800px;
    margin: 0 auto 40px;
    line-height: 1.5;
}

/* Responsive Design */
@media (max-width: 992px) {
    .page-promotions__hero-title {
        font-size: 3em;
    }

    .page-promotions__section-title {
        font-size: 2.2em;
    }

    .page-promotions__offer-card {
        flex-direction: column;
    }

    .page-promotions__offer-image,
    .page-promotions__offer-content {
        width: 100%;
    }

    .page-promotions__offer-image {
        height: 250px;
    }

    .page-promotions__category-title,
    .page-promotions__offer-name,
    .page-promotions__guide-step-title,
    .page-promotions__faq-question,
    .page-promotions__detail-title {
        text-align: center;
    }

    .page-promotions__guide-list li {
        padding-left: 25px;
    }

    .page-promotions__guide-list li::before {
        position: static;
        margin-bottom: 10px;
        display: block;
        width: auto;
        height: auto;
        border-radius: 0;
        background-color: transparent;
        color: var(--page-promotions-accent-color);
        font-size: 1.8em;
    }
}

@media (max-width: 768px) {
    .page-promotions__hero-title {
        font-size: 2.5em;
    }

    .page-promotions__hero-description {
        font-size: 1.1em;
    }

    .page-promotions__section {
        padding: 40px 0;
    }

    .page-promotions__section-title {
        font-size: 1.8em;
    }

    .page-promotions__section-intro {
        font-size: 1em;
    }

    .page-promotions__cta-title {
        font-size: 2.2em;
    }

    .page-promotions__cta-description {
        font-size: 1em;
    }

    .page-promotions__grid,
    .page-promotions__detail-grid {
        grid-template-columns: 1fr;
    }

    .page-promotions__benefit-item,
    .page-promotions__offer-card,
    .page-promotions__detail-item {
        text-align: center;
    }

    .page-promotions__category-title,
    .page-promotions__offer-name,
    .page-promotions__guide-step-title,
    .page-promotions__faq-question,
    .page-promotions__detail-title {
        text-align: center;
    }

    .page-promotions__offer-content .page-promotions__btn {
        margin: 0 auto;
    }
}