:root {
    --page-789o-primary-color: #e44d26; /* Cam đỏ */
    --page-789o-secondary-color: #f7b200; /* Vàng cam */
    --page-789o-background-dark: #1a1a1a; /* Nền tối */
    --page-789o-text-light: #ffffff; /* Chữ sáng */
    --page-789o-text-gray: #cccccc; /* Chữ xám */
    --page-789o-card-bg: #2a2a2a; /* Nền card */
    --page-789o-border-color: #444444; /* Màu viền */
}

.page-789o {
    font-family: 'Arial', sans-serif;
    color: var(--page-789o-text-light);
    background-color: var(--page-789o-background-dark);
    line-height: 1.6;
    padding-bottom: 80px; /* Space for floating buttons */
}

.page-789o__hero-section {
    position: relative;
    text-align: center;
    padding: 20px 0 50px; /* Small top padding, relying on body padding for header offset */
    overflow: hidden;
    background: linear-gradient(135deg, var(--page-789o-background-dark) 0%, #000 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.page-789o__hero-image-wrapper {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    box-sizing: border-box;
}

.page-789o__hero-image {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
}

.page-789o__hero-content {
    position: relative;
    z-index: 10;
    padding: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.page-789o__main-title {
    font-size: 2.8em;
    color: var(--page-789o-secondary-color);
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    text-align: center;
}

.page-789o__hero-description {
    font-size: 1.2em;
    color: var(--page-789o-text-light);
    margin-bottom: 30px;
    text-align: center;
}

.page-789o__hero-button,
.page-789o__promo-button,
.page-789o__about-button {
    display: inline-block;
    background-color: var(--page-789o-primary-color);
    color: var(--page-789o-text-light);
    padding: 15px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: background-color 0.3s ease, transform 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    border: none;
    cursor: pointer;
}

.page-789o__hero-button:hover,
.page-789o__promo-button:hover,
.page-789o__about-button:hover {
    background-color: #ff6a3d;
    transform: translateY(-2px);
}

.page-789o__section-title {
    font-size: 2.2em;
    color: var(--page-789o-secondary-color);
    text-align: center;
    margin: 60px 0 20px;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.page-789o__section-description {
    font-size: 1.1em;
    color: var(--page-789o-text-gray);
    text-align: center;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 15px;
}

.page-789o__products-section,
.page-789o__promotions-section,
.page-789o__about-section,
.page-789o__faq-section {
    padding: 40px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.page-789o__product-grid,
.page-789o__promo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    justify-content: center;
    align-items: stretch;
}

.page-789o__product-card,
.page-789o__promo-card {
    background-color: var(--page-789o-card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
    text-align: center;
    padding-bottom: 25px;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--page-789o-border-color);
    height: 100%;
}

.page-789o__product-card:hover,
.page-789o__promo-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.6);
}

.page-789o__product-image,
.page-789o__promo-image {
    width: 100%;
    height: 200px; /* Fixed height for product images */
    object-fit: cover;
    display: block;
    margin-bottom: 20px;
    max-width: 100%;
    box-sizing: border-box;
}

.page-789o__product-title,
.page-789o__promo-title {
    font-size: 1.5em;
    color: var(--page-789o-primary-color);
    margin-bottom: 15px;
    padding: 0 15px;
}

.page-789o__product-text,
.page-789o__promo-description {
    font-size: 0.95em;
    color: var(--page-789o-text-gray);
    padding: 0 15px;
    flex-grow: 1;
    margin-bottom: 20px;
}

.page-789o__about-section {
    background: linear-gradient(90deg, #1a1a1a 0%, #2a2a2a 100%);
    border-radius: 12px;
    padding: 50px;
    margin-top: 60px;
    margin-bottom: 60px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.page-789o__about-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 40px;
}

.page-789o__about-image {
    flex: 1;
    min-width: 300px;
    max-width: 50%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    max-width: 100%;
    box-sizing: border-box;
}

.page-789o__about-text {
    flex: 1;
    min-width: 300px;
    color: var(--page-789o-text-light);
}

.page-789o__about-text p {
    margin-bottom: 20px;
    font-size: 1.1em;
}

.page-789o__about-text strong {
    color: var(--page-789o-secondary-color);
}

/* Floating Buttons */
.page-789o__floating-buttons {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-around;
    padding: 10px 0;
    background-color: rgba(0, 0, 0, 0.9);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.5);
    z-index: 1000;
}

.page-789o__floating-button {
    flex: 1;
    text-align: center;
    padding: 12px 0;
    margin: 0 5px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: background-color 0.3s ease, transform 0.3s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
    color: var(--page-789o-text-light);
    border: 1px solid transparent;
}

.page-789o__floating-button--register {
    background-color: var(--page-789o-primary-color);
    border-color: var(--page-789o-primary-color);
}

.page-789o__floating-button--register:hover {
    background-color: #ff6a3d;
    transform: translateY(-2px);
}

.page-789o__floating-button--login {
    background-color: var(--page-789o-secondary-color);
    border-color: var(--page-789o-secondary-color);
}

.page-789o__floating-button--login:hover {
    background-color: #ffd700;
    transform: translateY(-2px);
}

/* FAQ Section */
.page-789o__faq-list {
    margin-top: 30px;
    padding: 0 15px;
}

.page-789o__faq-item {
    background-color: var(--page-789o-card-bg);
    border: 1px solid var(--page-789o-border-color);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.page-789o__faq-item.active {
    border-color: var(--page-789o-primary-color);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.5);
}

.page-789o__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    user-select: none;
    background-color: #333;
    transition: background-color 0.3s ease;
}

.page-789o__faq-question:hover {
    background-color: #444;
}

.page-789o__faq-question-text {
    font-size: 1.2em;
    color: var(--page-789o-secondary-color);
    margin: 0;
    pointer-events: none; /* Prevent text from blocking click event on parent */
    flex-grow: 1;
}

.page-789o__faq-toggle {
    font-size: 1.8em;
    font-weight: bold;
    color: var(--page-789o-primary-color);
    margin-left: 20px;
    transition: transform 0.3s ease;
    pointer-events: none; /* Prevent toggle from blocking click event on parent */
}

.page-789o__faq-item.active .page-789o__faq-toggle {
    transform: rotate(45deg); /* Change '+' to 'x' visually */
    color: var(--page-789o-secondary-color);
}

.page-789o__faq-answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 25px;
    opacity: 0;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.3s ease;
    color: var(--page-789o-text-gray);
    font-size: 1em;
}

.page-789o__faq-item.active .page-789o__faq-answer {
    max-height: 2000px !important; /* Sufficiently large */
    padding: 20px 25px !important;
    opacity: 1;
}

.page-789o__faq-answer p {
    margin: 0;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* Responsive Design */
@media (max-width: 768px) {
    .page-789o__main-title {
        font-size: 2em;
    }

    .page-789o__hero-description {
        font-size: 1em;
    }

    .page-789o__hero-button {
        padding: 12px 25px;
        font-size: 1em;
    }

    .page-789o__section-title {
        font-size: 1.8em;
        margin-top: 40px;
        margin-bottom: 15px;
    }

    .page-789o__section-description {
        font-size: 0.9em;
        margin-bottom: 30px;
    }

    .page-789o__products-section,
    .page-789o__promotions-section,
    .page-789o__about-section,
    .page-789o__faq-section {
        padding: 20px 10px;
    }

    .page-789o__product-grid,
    .page-789o__promo-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-789o__product-image,
    .page-789o__promo-image {
        height: 180px;
    }

    .page-789o__product-card,
    .page-789o__promo-card {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }

    .page-789o__about-content {
        flex-direction: column;
        gap: 20px;
    }

    .page-789o__about-image {
        max-width: 100%;
        min-width: unset;
    }

    .page-789o__about-section {
        padding: 30px 20px;
        margin-top: 40px;
        margin-bottom: 40px;
    }

    .page-789o__floating-buttons {
        padding: 8px 0;
    }

    .page-789o__floating-button {
        padding: 10px 0;
        font-size: 1em;
        margin: 0 3px;
    }

    /* FAQ Mobile */
    .page-789o__faq-list {
        padding: 0 5px;
    }

    .page-789o__faq-question {
        padding: 15px 15px;
    }

    .page-789o__faq-question-text {
        font-size: 1em;
    }

    .page-789o__faq-toggle {
        font-size: 1.5em;
        margin-left: 15px;
    }

    .page-789o__faq-answer {
        padding: 15px 15px;
    }
}

@media (max-width: 480px) {
    .page-789o__main-title {
        font-size: 1.8em;
    }
    .page-789o__hero-description {
        font-size: 0.9em;
    }
    .page-789o__hero-button {
        padding: 10px 20px;
        font-size: 0.9em;
    }
    .page-789o__section-title {
        font-size: 1.5em;
    }
    .page-789o__floating-button {
        font-size: 0.9em;
        padding: 8px 0;
    }
}