/* style/promotions.css */

/* Biến CSS */
:root {
    --page-promotions-primary-color: #1A202C; /* Dark Blue/Black */
    --page-promotions-accent-color: #FFD700; /* Gold/Bright Yellow */
    --page-promotions-text-light: #FFFFFF; /* White */
    --page-promotions-text-dark: #1A202C; /* Dark Blue/Black */
    --page-promotions-bg-dark: #1A202C;
    --page-promotions-bg-light: #F8F9FA;
    --page-promotions-card-bg: #2d3748; /* Slightly lighter dark blue */
    --page-promotions-border-color: #4a5568;
}

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

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

.page-promotions__hero {
    background: linear-gradient(135deg, var(--page-promotions-primary-color) 0%, #3a475a 100%);
    padding: 100px 0 80px;
    text-align: center;
    color: var(--page-promotions-text-light);
    position: relative;
    overflow: hidden;
}

.page-promotions__hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('[GALLERY:bg:abstract_pattern,geometric,dark_texture]');
    background-size: cover;
    opacity: 0.1;
    z-index: 0;
}

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

.page-promotions__title {
    font-size: 3.5em;
    margin-bottom: 20px;
    color: var(--page-promotions-accent-color);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    font-weight: bold;
}

.page-promotions__subtitle {
    font-size: 1.3em;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
}

.page-promotions__btn-primary,
.page-promotions__btn-secondary,
.page-promotions__btn-tertiary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 1.1em;
    margin: 10px 15px;
    border: none;
}

.page-promotions__btn-primary {
    background-color: var(--page-promotions-accent-color);
    color: var(--page-promotions-text-dark); /* Dark text on bright background */
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
}

.page-promotions__btn-primary:hover {
    background-color: #e6c200; /* Slightly darker gold */
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.6);
}

.page-promotions__btn-secondary {
    background-color: var(--page-promotions-card-bg);
    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-text-dark);
    transform: translateY(-2px);
}

.page-promotions__btn-tertiary {
    background-color: transparent;
    color: var(--page-promotions-accent-color);
    border: 1px solid var(--page-promotions-accent-color);
    padding: 10px 20px;
    font-size: 1em;
    margin: 5px 10px;
}

.page-promotions__btn-tertiary:hover {
    background-color: var(--page-promotions-accent-color);
    color: var(--page-promotions-text-dark);
}

.page-promotions__section-heading {
    font-size: 2.5em;
    color: var(--page-promotions-accent-color);
    text-align: center;
    margin-bottom: 50px;
    position: relative;
    padding-bottom: 15px;
}

.page-promotions__section-heading::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--page-promotions-accent-color);
    border-radius: 2px;
}

.page-promotions__intro-text {
    text-align: center;
    font-size: 1.1em;
    max-width: 900px;
    margin: -30px auto 60px auto;
    color: rgba(255, 255, 255, 0.8);
}

.page-promotions__why-choose {
    padding: 80px 0;
    background-color: var(--page-promotions-bg-dark);
}

.page-promotions__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.page-promotions__feature-item {
    background-color: var(--page-promotions-card-bg);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--page-promotions-border-color);
}

.page-promotions__feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

.page-promotions__feature-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 5px var(--page-promotions-accent-color));
}

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

.page-promotions__feature-description {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95em;
}

.page-promotions__featured-offers {
    padding: 80px 0;
    background-color: #12161f; /* Slightly different dark background */
}

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

.page-promotions__offer-card {
    background-color: var(--page-promotions-card-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--page-promotions-border-color);
}

.page-promotions__offer-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
}

.page-promotions__offer-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid var(--page-promotions-border-color);
}

.page-promotions__offer-content {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.page-promotions__offer-title {
    font-size: 1.5em;
    color: var(--page-promotions-accent-color);
    margin-bottom: 15px;
    line-height: 1.3;
}

.page-promotions__offer-title a {
    color: inherit;
    text-decoration: none;
}

.page-promotions__offer-title a:hover {
    text-decoration: underline;
    color: #ffd700;
}

.page-promotions__offer-description {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.9em;
    margin-bottom: 25px;
    flex-grow: 1;
}

.page-promotions__offer-actions {
    margin-top: auto;
    display: flex;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
}

.page-promotions__offer-actions .page-promotions__btn-primary,
.page-promotions__offer-actions .page-promotions__btn-secondary {
    flex: 1;
    min-width: 120px;
    margin: 0;
    padding: 12px 20px;
    font-size: 0.9em;
}

.page-promotions__how-to-claim {
    padding: 80px 0;
    background-color: var(--page-promotions-primary-color);
}

.page-promotions__steps {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.page-promotions__step-item {
    background-color: var(--page-promotions-card-bg);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--page-promotions-border-color);
}

.page-promotions__step-title {
    font-size: 1.4em;
    color: var(--page-promotions-accent-color);
    margin-bottom: 15px;
    position: relative;
    padding-left: 40px;
}

.page-promotions__step-title::before {
    content: counter(step-counter);
    counter-increment: step-counter;
    position: absolute;
    left: 0;
    top: 0;
    width: 30px;
    height: 30px;
    background-color: var(--page-promotions-accent-color);
    color: var(--page-promotions-text-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1em;
}

.page-promotions__steps {
    counter-reset: step-counter;
}

.page-promotions__step-item p {
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 20px;
}

.page-promotions__important-notes {
    padding: 80px 0;
    background-color: #12161f;
}

.page-promotions__notes-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.page-promotions__notes-list li {
    background-color: var(--page-promotions-card-bg);
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: flex-start;
    gap: 15px;
    color: rgba(255, 255, 255, 0.85);
    border: 1px solid var(--page-promotions-border-color);
}

.page-promotions__note-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    filter: drop-shadow(0 0 3px var(--page-promotions-accent-color));
}

.page-promotions__notes-list strong {
    color: var(--page-promotions-accent-color);
    font-size: 1.1em;
    display: block;
    margin-bottom: 5px;
}

.page-promotions__btn-contact {
    margin-top: 50px;
    display: block;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

.page-promotions__cta {
    padding: 80px 0;
    background: linear-gradient(45deg, var(--page-promotions-primary-color) 0%, #3a475a 100%);
    text-align: center;
}

.page-promotions__cta .page-promotions__section-heading {
    margin-bottom: 20px;
}

.page-promotions__cta .page-promotions__intro-text {
    margin-bottom: 40px;
}

.page-promotions__cta-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 40px;
}

.page-promotions__cta-buttons .page-promotions__btn-primary,
.page-promotions__cta-buttons .page-promotions__btn-secondary {
    min-width: 220px;
    padding: 18px 35px;
    font-size: 1.2em;
}

/* Responsive Design */
@media (max-width: 992px) {
    .page-promotions__title {
        font-size: 2.8em;
    }
    .page-promotions__subtitle {
        font-size: 1.1em;
    }
    .page-promotions__section-heading {
        font-size: 2em;
    }
    .page-promotions__grid,
    .page-promotions__offer-list,
    .page-promotions__steps,
    .page-promotions__notes-list {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    .page-promotions__offer-actions {
        flex-direction: column;
        align-items: center;
    }
    .page-promotions__offer-actions .page-promotions__btn-primary,
    .page-promotions__offer-actions .page-promotions__btn-secondary {
        width: 100%;
        max-width: 250px;
    }
}

@media (max-width: 768px) {
    .page-promotions__hero {
        padding: 80px 0 60px;
    }
    .page-promotions__title {
        font-size: 2.2em;
    }
    .page-promotions__subtitle {
        font-size: 1em;
    }
    .page-promotions__section-heading {
        font-size: 1.8em;
    }
    .page-promotions__intro-text {
        font-size: 1em;
    }
    .page-promotions__btn-primary, .page-promotions__btn-secondary, .page-promotions__btn-tertiary {
        padding: 12px 25px;
        font-size: 1em;
        margin: 8px 10px;
    }
    .page-promotions__cta-buttons {
        flex-direction: column;
        gap: 15px;
    }
    .page-promotions__cta-buttons .page-promotions__btn-primary,
    .page-promotions__cta-buttons .page-promotions__btn-secondary {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .page-promotions__title {
        font-size: 1.8em;
    }
    .page-promotions__subtitle {
        font-size: 0.9em;
    }
    .page-promotions__section-heading {
        font-size: 1.5em;
    }
    .page-promotions__container {
        padding: 0 15px;
    }
    .page-promotions__offer-card {
        margin: 0 auto;
    }
    .page-promotions__offer-actions {
        flex-direction: column;
        gap: 10px;
    }
    .page-promotions__offer-actions .page-promotions__btn-primary,
    .page-promotions__offer-actions .page-promotions__btn-secondary {
        width: 100%;
    }
    .page-promotions__notes-list li {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
    .page-promotions__note-icon {
        margin-bottom: 10px;
    }
}