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

.page-about {
    font-family: 'Arial', sans-serif;
    color: var(--text-main); /* Assuming dark body background from shared.css */
    background-color: var(--bg-main); /* Explicitly setting for about page main content area */
    line-height: 1.6;
}

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

.page-about__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 10px; /* Small top padding, body handles --header-offset */
    padding-bottom: 60px;
    overflow: hidden; /* Ensure content doesn't overflow */
}

.page-about__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    margin-bottom: 30px;
}

.page-about__hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 0 20px;
}

.page-about__main-title {
    color: var(--text-main);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 15px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
    /* No fixed font-size, rely on responsive clamp if needed, or default browser scaling */
}

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

.page-about__hero-cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.page-about__btn-primary,
.page-about__btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 30px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1em;
    text-decoration: none;
    transition: all 0.3s ease;
    white-space: normal;
    word-wrap: break-word;
    text-align: center;
    box-sizing: border-box;
}

.page-about__btn-primary {
    background: var(--btn-gradient);
    color: #ffffff;
    border: 2px solid transparent;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.page-about__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.4);
}

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

.page-about__btn-secondary:hover {
    background: var(--secondary-color);
    color: var(--bg-main);
    transform: translateY(-2px);
}

.page-about__section-title {
    color: var(--gold-color);
    font-size: 2.2em;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 15px;
}

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

.page-about__text-block {
    margin-bottom: 20px;
    color: var(--text-secondary);
    font-size: 1.05em;
}

.page-about__text-block a,
.page-about p a,
.page-about li a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-about__text-block a:hover,
.page-about p a:hover,
.page-about li a:hover {
    color: var(--glow-color);
    text-decoration: underline;
}

.page-about__introduction-section,
.page-about__mission-vision-section,
.page-about__history-section,
.page-about__core-values-section,
.page-about__products-services-section,
.page-about__security-section,
.page-about__social-responsibility-section,
.page-about__team-section,
.page-about__why-choose-section,
.page-about__faq-section,
.page-about__call-to-action-section {
    padding: 60px 0;
    border-bottom: 1px solid var(--divider-color);
}

.page-about__introduction-section:last-of-type {
    border-bottom: none;
}

.page-about__mission-vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-about__card {
    background-color: var(--bg-card);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.4);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
    color: var(--text-main);
}

.page-about__card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.6);
}

.page-about__card-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 20px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

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

.page-about__card-text {
    color: var(--text-secondary);
    font-size: 0.95em;
}

.page-about__image-full-width {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
    margin-top: 40px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.4);
}

.page-about__values-list,
.page-about__security-features,
.page-about__responsibility-list,
.page-about__advantages-list {
    list-style: none;
    padding: 0;
    margin-top: 40px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.page-about__values-item,
.page-about__feature-item,
.page-about__responsibility-item,
.page-about__advantage-item {
    background-color: var(--bg-card);
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

.page-about__values-item:hover,
.page-about__feature-item:hover,
.page-about__responsibility-item:hover,
.page-about__advantage-item:hover {
    transform: translateY(-5px);
}

.page-about__values-heading,
.page-about__feature-heading,
.page-about__responsibility-heading,
.page-about__advantage-heading {
    color: var(--gold-color);
    font-size: 1.3em;
    margin-bottom: 10px;
}

.page-about__values-description,
.page-about__feature-description,
.page-about__responsibility-description,
.page-about__advantage-description {
    color: var(--text-secondary);
    font-size: 0.95em;
}

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

.page-about__product-card {
    background-color: var(--bg-card);
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.4);
    overflow: hidden;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

.page-about__product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.6);
}

.page-about__product-image {
    width: 100%;
    height: 200px; /* Fixed height for consistency */
    object-fit: cover;
    display: block;
    border-bottom: 1px solid var(--divider-color);
}

.page-about__product-card h3 {
    padding: 15px 20px 10px;
    color: var(--gold-color);
    font-size: 1.4em;
}

.page-about__product-card h3 a {
    color: var(--gold-color);
    text-decoration: none;
}

.page-about__product-card h3 a:hover {
    text-decoration: underline;
}

.page-about__product-description {
    padding: 0 20px 20px;
    color: var(--text-secondary);
    font-size: 0.9em;
}

.page-about__cta-center {
    text-align: center;
    margin-top: 50px;
}

.page-about__team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-about__team-member-card {
    background-color: var(--bg-card);
    border-radius: 12px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
    border: 1px solid var(--border-color);
}

.page-about__team-member-photo {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 20px;
    border: 4px solid var(--gold-color);
}

.page-about__team-member-name {
    color: var(--text-main);
    font-size: 1.4em;
    margin-bottom: 5px;
}

.page-about__team-member-role {
    color: var(--secondary-color);
    font-size: 1em;
    margin-bottom: 15px;
}

.page-about__team-member-bio {
    color: var(--text-secondary);
    font-size: 0.9em;
}

.page-about__faq-list {
    margin-top: 40px;
}

.page-about__faq-item {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: background-color 0.3s ease;
}

.page-about__faq-item[open] {
    background-color: var(--deep-green);
}

.page-about__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    color: var(--text-main);
    font-size: 1.15em;
    font-weight: 600;
    user-select: none;
    list-style: none;
}

.page-about__faq-question::-webkit-details-marker {
    display: none;
}

.page-about__faq-qtext {
    flex-grow: 1;
    color: var(--text-main);
}

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

.page-about__faq-answer {
    padding: 0 25px 20px;
    color: var(--text-secondary);
    font-size: 1em;
}

.page-about__faq-answer p {
    margin-bottom: 10px;
}

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

.page-about__call-to-action-section {
    padding-bottom: 80px;
    border-bottom: none;
}

/* Responsive styles */
@media (max-width: 1024px) {
    .page-about__section-title {
        font-size: 2em;
    }

    .page-about__hero-content {
        max-width: 700px;
    }
}

@media (max-width: 768px) {
    .page-about__container {
        padding: 0 15px;
    }

    .page-about__hero-section {
        padding-bottom: 40px;
    }

    .page-about__main-title {
        font-size: clamp(1.8em, 5vw, 2.5em); /* Using clamp for responsive H1 */
        margin-bottom: 10px;
    }

    .page-about__hero-description {
        font-size: 1em;
        margin-bottom: 20px;
    }

    .page-about__hero-cta-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .page-about__btn-primary,
    .page-about__btn-secondary {
        max-width: 100% !important;
        width: 100% !important;
        padding: 12px 20px;
        font-size: 0.95em;
        white-space: normal !important;
        word-wrap: break-word !important;
        box-sizing: border-box !important;
    }

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

    .page-about__introduction-section,
    .page-about__mission-vision-section,
    .page-about__history-section,
    .page-about__core-values-section,
    .page-about__products-services-section,
    .page-about__security-section,
    .page-about__social-responsibility-section,
    .page-about__team-section,
    .page-about__why-choose-section,
    .page-about__faq-section,
    .page-about__call-to-action-section {
        padding: 40px 0;
    }

    .page-about__mission-vision-grid,
    .page-about__products-grid,
    .page-about__team-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-about__values-list,
    .page-about__security-features,
    .page-about__responsibility-list,
    .page-about__advantages-list {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-about__card,
    .page-about__values-item,
    .page-about__feature-item,
    .page-about__responsibility-item,
    .page-about__advantage-item,
    .page-about__product-card,
    .page-about__team-member-card {
        padding: 20px;
    }

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

    .page-about__values-heading,
    .page-about__feature-heading,
    .page-about__responsibility-heading,
    .page-about__advantage-heading {
        font-size: 1.2em;
    }

    .page-about__product-image {
        height: 180px;
    }

    .page-about__product-card h3 {
        font-size: 1.2em;
    }

    .page-about__team-member-photo {
        width: 120px;
        height: 120px;
    }

    .page-about__faq-question {
        font-size: 1.05em;
        padding: 15px 20px;
    }

    /* Mobile image responsiveness */
    .page-about img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    
    /* Ensure containers are also responsive */
    .page-about__container,
    .page-about__hero-section,
    .page-about__introduction-section,
    .page-about__mission-vision-section,
    .page-about__history-section,
    .page-about__core-values-section,
    .page-about__products-services-section,
    .page-about__security-section,
    .page-about__social-responsibility-section,
    .page-about__team-section,
    .page-about__why-choose-section,
    .page-about__faq-section,
    .page-about__call-to-action-section,
    .page-about__hero-cta-buttons,
    .page-about__products-grid,
    .page-about__team-grid,
    .page-about__faq-list {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-about__hero-section {
        padding-left: 0;
        padding-right: 0;
    }
    .page-about__hero-image {
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-about__hero-content {
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-about__hero-cta-buttons {
        padding-left: 0;
        padding-right: 0;
    }
    .page-about__product-card h3,
    .page-about__product-description {
        padding-left: 10px;
        padding-right: 10px;
    }
}

/* Color Contrast Fixes (if needed) */
.page-about__dark-bg {
    color: #ffffff; /* Deep Green background, white text */
    background: var(--deep-green);
}

.page-about__light-bg {
    color: #333333; /* Light background, dark text */
    background: #ffffff;
}

/* Ensuring text contrast in main areas */
.page-about p,
.page-about li,
.page-about__text-block {
    color: var(--text-secondary); /* A7D9B8 on dark background is good */
}

.page-about h1, .page-about h2, .page-about h3, .page-about h4, .page-about h5, .page-about h6 {
    color: var(--text-main); /* F2FFF6 on dark background is good */
}

/* Specific overrides for contrast where brand colors are used as background */
.page-about__btn-primary {
    color: #ffffff; /* White text on gradient background */
}

.page-about__btn-secondary {
    color: var(--secondary-color); /* Green text on transparent/dark background */
}

.page-about__btn-secondary:hover {
    color: var(--bg-main); /* Dark text on green background */
}

.page-about__faq-item[open] .page-about__faq-qtext {
    color: var(--gold-color);
}