/* style/about.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần lặp lại */

:root {
    --gp88-primary-color: #11A84E;
    --gp88-secondary-color: #22C768;
    --gp88-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
    --gp88-card-bg: #11271B;
    --gp88-background: #08160F;
    --gp88-text-main: #F2FFF6;
    --gp88-text-secondary: #A7D9B8;
    --gp88-border-color: #2E7A4E;
    --gp88-glow-color: #57E38D;
    --gp88-gold-color: #F2C14E;
    --gp88-divider-color: #1E3A2A;
    --gp88-deep-green: #0A4B2C;
}

.page-about {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--gp88-text-main); /* Default text color for dark background */
    background-color: var(--gp88-background); /* Default background */
}

/* Base container for content */
.page-about__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    box-sizing: border-box;
}

/* Section titles */
.page-about__section-title {
    font-size: 2.5em;
    color: var(--gp88-gold-color);
    text-align: center;
    margin-bottom: 40px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.page-about__sub-title {
    font-size: 1.8em;
    color: var(--gp88-secondary-color);
    margin-top: 30px;
    margin-bottom: 15px;
    font-weight: 600;
}

.page-about__text-block {
    font-size: 1.1em;
    margin-bottom: 20px;
    color: var(--gp88-text-secondary);
}

/* Buttons */
.page-about__btn-primary,
.page-about__btn-secondary {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
    box-sizing: border-box;
    white-space: normal; /* Allow text wrapping */
    word-wrap: break-word; /* Allow text wrapping */
    text-align: center;
}

.page-about__btn-primary {
    background: var(--gp88-button-gradient);
    color: var(--gp88-text-main);
    border: 2px solid transparent;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-about__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-about__btn-secondary {
    background: transparent;
    color: var(--gp88-primary-color);
    border: 2px solid var(--gp88-primary-color);
}

.page-about__btn-secondary:hover {
    background: rgba(var(--gp88-primary-color), 0.1);
    color: var(--gp88-glow-color);
    border-color: var(--gp88-glow-color);
}

.page-about__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
    flex-wrap: wrap; /* Allow buttons to wrap on smaller screens */
}

/* Hero Section */
.page-about__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column; /* Image above text */
    align-items: center;
    background-color: var(--gp88-deep-green); /* Dark background for hero */
    padding-bottom: 60px; /* Space below content */
    padding-top: 10px; /* Small decorative top padding */
    overflow: hidden; /* Ensure no overflow from image */
}

.page-about__hero-image-wrapper {
    width: 100%;
    max-width: 100%; /* Ensure it doesn't overflow */
    margin-bottom: 30px; /* Space between image and content */
}

.page-about__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    max-height: 675px; /* Limit height for aesthetic */
}

.page-about__hero-content {
    max-width: 900px;
    text-align: center;
    padding: 0 20px;
    box-sizing: border-box;
    z-index: 1; /* Ensure text is above any potential background elements */
}

.page-about__main-title {
    font-size: clamp(2.5em, 5vw, 3.5em); /* Responsive H1 font size */
    color: var(--gp88-gold-color);
    margin-bottom: 20px;
    font-weight: 800;
    line-height: 1.1;
    text-shadow: 0 0 10px rgba(var(--gp88-gold-color), 0.5);
}

.page-about__hero-description {
    font-size: 1.3em;
    color: var(--gp88-text-main);
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* General Sections */
.page-about__intro-section,
.page-about__values-section,
.page-about__promotions-section,
.page-about__commitment-section,
.page-about__faq-section {
    background-color: var(--gp88-background); /* Light background for these sections */
    padding: 60px 0;
    color: var(--gp88-text-secondary);
}

.page-about__dark-section {
    background-color: var(--gp88-deep-green); /* Dark background for these sections */
    padding: 60px 0;
    color: var(--gp88-text-main);
}

.page-about__dark-section .page-about__section-title {
    color: var(--gp88-gold-color);
}

.page-about__dark-section .page-about__sub-title {
    color: var(--gp88-glow-color);
}

/* Flex containers for image and text columns */
.page-about__flex-container {
    display: flex;
    align-items: center;
    gap: 40px;
}

.page-about__flex-container--reverse {
    flex-direction: row-reverse;
}

.page-about__content-column {
    flex: 1;
    min-width: 0; /* Allow content to shrink */
}

.page-about__image-column {
    flex: 1;
    min-width: 0; /* Allow image to shrink */
}

.page-about__image-column .page-about__image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

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

.page-about__card {
    background-color: var(--gp88-card-bg); /* Card background */
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    text-align: center;
    border: 1px solid var(--gp88-border-color);
    color: var(--gp88-text-main);
}

.page-about__card-title {
    font-size: 1.5em;
    color: var(--gp88-gold-color);
    margin-bottom: 15px;
    font-weight: 600;
}

.page-about__card-text {
    color: var(--gp88-text-secondary);
}

/* Product List */
.page-about__product-list {
    list-style: none;
    padding: 0;
    margin: 20px 0;
}

.page-about__list-item {
    background-color: var(--gp88-deep-green);
    border-left: 5px solid var(--gp88-primary-color);
    padding: 15px 20px;
    margin-bottom: 10px;
    border-radius: 5px;
    color: var(--gp88-text-main);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.page-about__list-item strong {
    color: var(--gp88-gold-color);
}

/* Commitment Section */
.page-about__commitment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-about__commitment-item {
    text-align: center;
    padding: 20px;
    background-color: var(--gp88-card-bg);
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--gp88-border-color);
    color: var(--gp88-text-main);
}

.page-about__icon {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin-bottom: 20px;
}

.page-about__commitment-title {
    font-size: 1.6em;
    color: var(--gp88-gold-color);
    margin-bottom: 10px;
    font-weight: 600;
}

.page-about__commitment-text {
    color: var(--gp88-text-secondary);
}

/* Why Choose Us List */
.page-about__why-list {
    list-style: none;
    padding: 0;
    margin: 40px 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.page-about__why-list .page-about__list-item {
    background-color: var(--gp88-card-bg);
    border-left: 5px solid var(--gp88-gold-color);
    box-shadow: 0 3px 15px rgba(0,0,0,0.15);
}

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

.page-about__faq-item {
    background-color: var(--gp88-card-bg);
    border: 1px solid var(--gp88-border-color);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
}

.page-about__faq-item summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    cursor: pointer;
    font-size: 1.2em;
    font-weight: 600;
    color: var(--gp88-text-main);
    background-color: var(--gp88-deep-green);
    border-bottom: 1px solid var(--gp88-divider-color);
    list-style: none; /* Remove default marker */
}

.page-about__faq-item summary::-webkit-details-marker {
    display: none; /* Remove default marker for Webkit */
}

.page-about__faq-question .page-about__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    width: 20px;
    text-align: center;
    color: var(--gp88-gold-color);
}

.page-about__faq-item[open] summary {
    border-bottom: 1px solid var(--gp88-gold-color);
}

.page-about__faq-answer {
    padding: 20px;
    font-size: 1.05em;
    color: var(--gp88-text-secondary);
    background-color: var(--gp88-card-bg);
}

.page-about__faq-answer p {
    margin: 0;
}


/* Responsive Design */
@media (max-width: 1024px) {
    .page-about__flex-container {
        flex-direction: column;
    }
    .page-about__flex-container--reverse {
        flex-direction: column; /* Revert for smaller screens */
    }
    .page-about__hero-section {
        padding-bottom: 40px;
    }
    .page-about__section-title {
        font-size: 2em;
    }
    .page-about__main-title {
        font-size: clamp(2em, 4vw, 3em);
    }
}

@media (max-width: 768px) {
    .page-about {
        font-size: 16px;
        line-height: 1.6;
    }

    .page-about__container {
        padding-left: 15px;
        padding-right: 15px;
        width: 100% !important; /* Ensure full width on mobile */
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-about__hero-section {
        padding-top: 10px !important; /* Small top padding */
        padding-bottom: 30px;
    }

    .page-about__hero-content {
        padding: 0 15px;
    }

    .page-about__main-title {
        font-size: clamp(1.8em, 8vw, 2.5em) !important;
        margin-bottom: 15px;
    }

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

    .page-about__section-title {
        font-size: 1.8em;
        margin-bottom: 30px;
    }

    .page-about__sub-title {
        font-size: 1.4em;
    }

    /* Images responsiveness */
    .page-about img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    
    .page-about__section,
    .page-about__card,
    .page-about__container,
    .page-about__hero-image-wrapper,
    .page-about__image-column {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important; /* Ensure no overflow */
    }

    /* Buttons responsiveness */
    .page-about__cta-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .page-about__btn-primary,
    .page-about__btn-secondary,
    .page-about a[class*="button"],
    .page-about a[class*="btn"] {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .page-about__cta-buttons,
    .page-about__button-group,
    .page-about__btn-container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        flex-wrap: wrap !important;
        gap: 10px;
    }

    .page-about__values-grid,
    .page-about__commitment-grid {
        grid-template-columns: 1fr;
    }
    
    .page-about__why-list {
        grid-template-columns: 1fr;
    }
}