/* style/about.css */
:root {
    --primary-color: #113B7A;
    --secondary-color: #1D5FD1;
    --text-main: #F3F8FF;
    --text-secondary: #AFC4E8;
    --card-bg: #10233F;
    --border-color: #244D84;
    --glow-color: #4FA8FF;
    --gold-color: #F2C14E;
    --divider-color: #1B3357;
    --deep-navy: #08162B;
    --button-gradient: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
    --header-offset: 122px; /* Default value, assumed to be set in shared.css */
}

.page-about {
    font-family: Arial, sans-serif;
    color: var(--text-main);
    background-color: var(--deep-navy); /* Body background is #000, this ensures consistency */
    line-height: 1.6;
}

.page-about__hero-section {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding-top: 10px; /* Small top padding, assuming body handles --header-offset */
    overflow: hidden;
    text-align: center;
    padding-bottom: 40px;
}

.page-about__hero-image {
    width: 100%;
    height: 600px; /* Fixed height for desktop hero image */
    object-fit: cover;
    display: block;
    filter: brightness(0.7);
}

.page-about__hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 900px;
    width: 90%;
    z-index: 2;
    padding: 20px;
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.4); /* Semi-transparent dark background for text readability */
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

.page-about__main-title {
    font-size: clamp(2em, 3.5vw, 3.2em);
    font-weight: 700;
    color: var(--gold-color);
    margin-bottom: 15px;
    line-height: 1.2;
    text-shadow: 0 0 10px rgba(242, 193, 78, 0.6);
}

.page-about__hero-description {
    font-size: 1.1em;
    color: var(--text-main);
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.page-about__btn-primary,
.page-about__btn-secondary {
    display: inline-block;
    padding: 14px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1em;
    transition: all 0.3s ease;
    white-space: nowrap;
    cursor: pointer;
    max-width: 100%;
    box-sizing: border-box;
}

.page-about__btn-primary {
    background: var(--button-gradient);
    color: var(--text-main);
    border: 2px solid var(--glow-color);
    box-shadow: 0 0 15px rgba(79, 168, 255, 0.5);
}

.page-about__btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 25px rgba(79, 168, 255, 0.8);
}

.page-about__btn-secondary {
    background: transparent;
    color: var(--glow-color);
    border: 2px solid var(--glow-color);
    margin-left: 20px;
}

.page-about__btn-secondary:hover {
    background: rgba(79, 168, 255, 0.1);
    color: var(--text-main);
}

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

.page-about__intro-section,
.page-about__products-section,
.page-about__commitment-section,
.page-about__cta-section,
.page-about__faq-section,
.page-about__why-choose-section {
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.page-about__dark-section {
    background-color: var(--deep-navy);
}

.page-about__section-title {
    font-size: 2.8em;
    font-weight: 700;
    text-align: center;
    color: var(--gold-color);
    margin-bottom: 60px;
    position: relative;
    text-shadow: 0 0 10px rgba(242, 193, 78, 0.3);
}

.page-about__section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--glow-color);
    margin: 15px auto 0;
    border-radius: 2px;
}

.page-about__content-grid {
    display: flex;
    gap: 40px;
    align-items: center;
}

.page-about__text-block {
    flex: 1;
}

.page-about__image-block {
    flex: 1;
    text-align: center;
}

.page-about__content-image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
    display: block;
    margin: 0 auto;
}

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

.page-about__value-list {
    list-style: none;
    padding: 0;
    margin-top: 20px;
}

.page-about__value-list li {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 15px 20px;
    margin-bottom: 10px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    font-size: 1.05em;
    color: var(--text-secondary);
}

.page-about__value-list li strong {
    color: var(--gold-color);
    margin-right: 10px;
}

.page-about__feature-grid,
.page-about__product-grid,
.page-about__commitment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.page-about__card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%; /* Ensure cards in a row have same height */
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.page-about__card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.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 {
    font-size: 1.5em;
    color: var(--gold-color);
    margin-bottom: 15px;
    font-weight: 600;
    line-height: 1.3;
}

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

.page-about__card-title a:hover {
    text-decoration: underline;
}

.page-about__card p {
    font-size: 0.95em;
    color: var(--text-secondary);
    flex-grow: 1;
}

.page-about__cta-section {
    text-align: center;
    padding: 100px 0;
    background-color: var(--primary-color);
    background-image: linear-gradient(to right, var(--primary-color), var(--deep-navy));
}

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

.page-about__cta-description {
    font-size: 1.2em;
    color: var(--text-main);
    max-width: 800px;
    margin: 0 auto 40px auto;
    line-height: 1.7;
}

.page-about__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.page-about__faq-list {
    max-width: 900px;
    margin: 0 auto;
}

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

.page-about__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.15em;
    font-weight: 600;
    color: var(--gold-color);
    cursor: pointer;
    background-color: var(--primary-color);
    border-bottom: 1px solid var(--border-color);
    list-style: none; /* For details/summary */
}

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

.page-about__faq-question:hover {
    background-color: var(--secondary-color);
}

.page-about__faq-qtext {
    flex-grow: 1;
    color: inherit;
}

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

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

.page-about__faq-answer {
    padding: 20px 25px;
    font-size: 1em;
    line-height: 1.7;
    color: var(--text-secondary);
}

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

/* General image responsiveness */
.page-about img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Mobile responsiveness */
@media (max-width: 1024px) {
    .page-about__hero-image {
        height: 500px;
    }

    .page-about__hero-content {
        max-width: 80%;
    }

    .page-about__main-title {
        font-size: 2.5em;
    }

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

    .page-about__section-title {
        font-size: 2.2em;
    }

    .page-about__content-grid {
        flex-direction: column;
        gap: 30px;
    }

    .page-about__feature-grid,
    .page-about__product-grid,
    .page-about__commitment-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
    }

    .page-about__intro-section,
    .page-about__products-section,
    .page-about__commitment-section,
    .page-about__cta-section,
    .page-about__faq-section,
    .page-about__why-choose-section {
        padding: 60px 0;
    }

    .page-about__sub-title {
        font-size: 1.6em;
    }

    .page-about__value-list li {
        font-size: 1em;
        padding: 12px 18px;
    }

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

    .page-about__card p {
        font-size: 0.9em;
    }

    .page-about__cta-description {
        font-size: 1.1em;
    }

    .page-about__cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .page-about__btn-secondary {
        margin-left: 0;
        margin-top: 15px;
    }

    .page-about__faq-question {
        padding: 18px 20px;
        font-size: 1.1em;
    }

    .page-about__faq-answer {
        padding: 18px 20px;
        font-size: 0.95em;
    }
}

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

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

    .page-about__hero-image {
        height: 350px;
        object-fit: contain; /* Ensure image is fully visible, not cropped */
        aspect-ratio: unset;
        max-height: none;
        filter: brightness(0.6);
    }

    .page-about__hero-content {
        position: static;
        transform: none;
        width: 100%;
        max-width: 100%;
        padding: 15px;
        background: rgba(0, 0, 0, 0.6); /* Slightly darker for mobile */
        box-shadow: none;
        border-radius: 0;
    }

    .page-about__main-title {
        font-size: 2em;
        margin-bottom: 10px;
    }

    .page-about__hero-description {
        font-size: 0.95em;
        margin-bottom: 20px;
    }

    .page-about__btn-primary,
    .page-about__btn-secondary {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        padding: 12px 15px;
        font-size: 1em;
        margin-left: 0 !important;
        margin-top: 10px;
    }

    .page-about__cta-buttons {
        flex-direction: column !important;
        gap: 10px;
        padding-left: 15px;
        padding-right: 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-about__container {
        padding: 0 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-about__intro-section,
    .page-about__products-section,
    .page-about__commitment-section,
    .page-about__cta-section,
    .page-about__faq-section,
    .page-about__why-choose-section {
        padding: 40px 0;
    }

    .page-about__section-title {
        font-size: 1.8em;
        margin-bottom: 40px;
    }

    .page-about__content-grid {
        gap: 20px;
    }

    .page-about__content-image,
    .page-about__card-image,
    .page-about img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block;
    }

    .page-about__card {
        padding: 20px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    }

    .page-about__sub-title {
        font-size: 1.4em;
        margin-top: 20px;
        margin-bottom: 10px;
    }

    .page-about__value-list li {
        font-size: 0.9em;
        padding: 10px 15px;
    }

    .page-about__feature-grid,
    .page-about__product-grid,
    .page-about__commitment-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-about__card-title {
        font-size: 1.2em;
        margin-bottom: 10px;
    }

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

    .page-about__cta-description {
        font-size: 1em;
        margin-bottom: 30px;
    }

    .page-about__faq-question {
        padding: 15px 20px;
        font-size: 1em;
    }

    .page-about__faq-answer {
        padding: 15px 20px;
        font-size: 0.9em;
    }
}