:root {
    --page-about-primary-color: #11A84E; /* Main */
    --page-about-secondary-color: #22C768; /* Auxiliary */
    --page-about-button-gradient-start: #2AD16F;
    --page-about-button-gradient-end: #13994A;
    --page-about-card-bg: #11271B;
    --page-about-background: #08160F;
    --page-about-text-main: #F2FFF6;
    --page-about-text-secondary: #A7D9B8;
    --page-about-border-color: #2E7A4E;
    --page-about-glow-color: #57E38D;
    --page-about-gold-color: #F2C14E;
    --page-about-divider-color: #1E3A2A;
    --page-about-deep-green: #0A4B2C;
}

.page-about {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--page-about-text-main); /* Default text color for the page */
    background-color: var(--page-about-background); /* Default background for the page */
}

/* Fixed header spacing - body already handles padding-top */
.page-about__hero-section,
.page-about__introduction-section,
.page-about__history-mission-section,
.page-about__values-section,
.page-about__products-section,
.page-about__security-responsibility-section,
.page-about__team-section,
.page-about__why-choose-section,
.page-about__faq-section,
.page-about__cta-section {
    padding-top: 10px; /* Small top padding for sections */
    padding-bottom: 40px;
}

.page-about__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

/* Hero Section */
.page-about__hero-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding-bottom: 60px;
    background-color: var(--page-about-deep-green); /* Example background for hero */
}

.page-about__hero-image-wrapper {
    width: 100%;
    max-width: 1200px;
    margin-bottom: 20px;
}

.page-about__hero-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    object-fit: cover;
}

.page-about__hero-content {
    max-width: 900px;
    padding: 0 20px;
}

.page-about__main-title {
    font-size: clamp(2em, 4vw, 3.5em); /* Responsive font size for H1 */
    font-weight: bold;
    color: var(--page-about-text-main);
    margin-bottom: 20px;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.page-about__description {
    font-size: 1.1em;
    color: var(--page-about-text-secondary);
    margin-bottom: 30px;
}

/* Buttons */
.page-about__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap; /* Allow buttons to wrap on smaller screens */
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

.page-about__btn-primary,
.page-about__btn-secondary,
.page-about__btn-tertiary {
    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, border-color 0.3s ease;
    text-align: center;
    box-sizing: border-box;
    max-width: 100%; /* Ensure buttons don't overflow */
    white-space: normal; /* Allow text to wrap */
    word-wrap: break-word; /* Allow long words to break */
}

.page-about__btn-primary {
    background: linear-gradient(180deg, var(--page-about-button-gradient-start) 0%, var(--page-about-button-gradient-end) 100%);
    color: var(--page-about-text-main);
    border: 2px solid transparent;
}

.page-about__btn-primary:hover {
    background: linear-gradient(180deg, var(--page-about-button-gradient-end) 0%, var(--page-about-button-gradient-start) 100%);
    box-shadow: 0 0 15px var(--page-about-glow-color);
}

.page-about__btn-secondary {
    background-color: transparent;
    color: var(--page-about-button-gradient-start);
    border: 2px solid var(--page-about-button-gradient-start);
}

.page-about__btn-secondary:hover {
    background-color: var(--page-about-button-gradient-start);
    color: var(--page-about-text-main);
}

.page-about__btn-tertiary {
    background-color: var(--page-about-card-bg); /* Darker background for tertiary buttons */
    color: var(--page-about-text-main);
    border: 1px solid var(--page-about-border-color);
    margin-top: 15px;
    width: 100%;
}

.page-about__btn-tertiary:hover {
    background-color: var(--page-about-deep-green);
    border-color: var(--page-about-glow-color);
    box-shadow: 0 0 8px var(--page-about-glow-color);
}

/* General Content Sections */
.page-about__section-title {
    font-size: 2.2em;
    color: var(--page-about-text-main);
    text-align: center;
    margin-bottom: 30px;
    font-weight: bold;
}

.page-about__section-title--white {
    color: var(--page-about-text-main);
}

.page-about__sub-title {
    font-size: 1.8em;
    color: var(--page-about-text-main);
    margin-top: 40px;
    margin-bottom: 20px;
    text-align: center;
}

.page-about__sub-title--white {
    color: var(--page-about-text-main);
}

.page-about__paragraph {
    font-size: 1em;
    color: var(--page-about-text-secondary);
    margin-bottom: 20px;
    text-align: justify;
}

.page-about__paragraph--white {
    color: var(--page-about-text-secondary);
}

.page-about__image-content {
    width: 100%;
    height: auto;
    display: block;
    margin: 30px auto;
    border-radius: 8px;
    object-fit: cover;
}

/* Dark Section Styling */
.page-about__dark-section {
    background-color: var(--page-about-card-bg);
    padding: 60px 0;
}

/* Mission Vision Grid */
.page-about__mission-vision-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 30px;
}

/* Cards */
.page-about__card {
    background-color: var(--page-about-background); /* Lighter dark background for cards */
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    border: 1px solid var(--page-about-border-color);
}

.page-about__card--dark {
    background-color: var(--page-about-background);
    color: var(--page-about-text-main);
}

.page-about__card-image {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: 8px;
    margin-bottom: 20px;
    object-fit: cover;
}

.page-about__card-title {
    font-size: 1.5em;
    font-weight: bold;
    color: var(--page-about-text-main);
    margin-bottom: 15px;
}

.page-about__card-title--white {
    color: var(--page-about-text-main);
}

.page-about__card-text {
    font-size: 0.95em;
    color: var(--page-about-text-secondary);
    margin-bottom: 15px;
    text-align: justify;
}

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

/* Value List */
.page-about__value-list,
.page-about__advantage-list {
    list-style: none;
    padding: 0;
    margin-top: 20px;
}

.page-about__value-item,
.page-about__advantage-item {
    background-color: var(--page-about-card-bg);
    padding: 15px 20px;
    margin-bottom: 10px;
    border-radius: 8px;
    border-left: 5px solid var(--page-about-primary-color);
    color: var(--page-about-text-main);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.page-about__value-item strong,
.page-about__advantage-item strong {
    color: var(--page-about-gold-color);
}

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

/* FAQ Section */
.page-about__faq-list {
    margin-top: 30px;
}

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

.page-about__faq-item summary {
    list-style: none; /* Remove default marker */
    cursor: pointer;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: bold;
    font-size: 1.1em;
    color: var(--page-about-text-main);
    background-color: var(--page-about-deep-green);
    transition: background-color 0.3s ease;
}

.page-about__faq-item summary:hover {
    background-color: var(--page-about-primary-color);
}

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

.page-about__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.page-about__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    margin-left: 15px;
    color: var(--page-about-gold-color);
}

.page-about__faq-item[open] .page-about__faq-toggle {
    content: "−";
}

.page-about__faq-answer {
    padding: 15px 20px 20px;
    background-color: var(--page-about-background);
    color: var(--page-about-text-secondary);
    border-top: 1px solid var(--page-about-divider-color);
}

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

/* Responsive Design */
@media (min-width: 769px) {
    .page-about__mission-vision-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .page-about__hero-section {
        padding-bottom: 40px;
    }

    .page-about__main-title {
        font-size: clamp(1.8em, 8vw, 2.5em);
    }

    .page-about__description {
        font-size: 0.95em;
    }

    .page-about__cta-buttons {
        flex-direction: column;
        gap: 10px;
        padding: 0 15px; /* Add padding to container */
    }

    .page-about__btn-primary,
    .page-about__btn-secondary,
    .page-about__btn-tertiary {
        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__section-title {
        font-size: 1.8em;
        margin-bottom: 20px;
    }

    .page-about__sub-title {
        font-size: 1.5em;
    }

    .page-about__paragraph {
        font-size: 0.9em;
    }

    .page-about__card {
        padding: 20px;
    }

    .page-about__card-title {
        font-size: 1.3em;
    }

    .page-about__card-text {
        font-size: 0.85em;
    }

    .page-about__container {
        padding: 0 15px;
    }

    /* Mobile image 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-section,
    .page-about__introduction-section,
    .page-about__history-mission-section,
    .page-about__values-section,
    .page-about__products-section,
    .page-about__security-responsibility-section,
    .page-about__team-section,
    .page-about__why-choose-section,
    .page-about__faq-section,
    .page-about__cta-section {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }
    
    /* Video section mobile padding */
    .page-about__video-section {
        padding-top: 10px !important; /* body already handles --header-offset, this is for visual spacing */
    }
}