/* style/about.css */

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

.page-about {
    font-family: Arial, sans-serif;
    color: var(--color-text-main); /* Default text color for dark body background */
    background-color: var(--color-background); /* Ensure consistency with body background */
}

.page-about__hero-section {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 0 60px 0; /* Small top padding, more bottom padding */
    background-color: var(--color-background);
    overflow: hidden;
}

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

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

.page-about__hero-content {
    max-width: 1200px;
    width: 100%;
    margin: 40px auto 0;
    padding: 0 20px;
    text-align: center;
    box-sizing: border-box;
}

.page-about__main-title {
    font-size: clamp(2em, 3.5vw, 3em); /* H1 font size with clamp */
    color: var(--color-text-main);
    font-weight: bold;
    line-height: 1.2;
    margin-bottom: 20px;
}

.page-about__hero-description {
    font-size: 1.1em;
    color: var(--color-text-secondary);
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto 30px;
}

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

.page-about__btn-primary,
.page-about__btn-secondary {
    display: inline-block;
    padding: 14px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease, transform 0.3s ease;
    box-sizing: border-box;
    max-width: 100%; /* Ensure button responsiveness */
    white-space: normal; /* Allow text wrapping */
    word-wrap: break-word; /* Allow text wrapping */
    text-align: center;
}

.page-about__btn-primary {
    background: var(--color-button-gradient);
    color: #ffffff;
    border: none;
}

.page-about__btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(42, 209, 111, 0.4);
}

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

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

.page-about__section {
    padding: 80px 20px;
}

.page-about__dark-section {
    background-color: var(--color-background);
    color: var(--color-text-main);
}

.page-about__light-bg {
    background-color: #0d1e15; /* A slightly lighter dark green for contrast */
    color: var(--color-text-main);
}

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

.page-about__section-title {
    font-size: 2.5em;
    color: var(--color-gold);
    text-align: center;
    margin-bottom: 60px;
    font-weight: bold;
}

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

.page-about__text-block p {
    font-size: 1.1em;
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: 15px;
}

.page-about__grid-two-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.page-about__image-block {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.page-about__image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
    object-fit: cover;
    min-width: 200px; /* Min size requirement */
    min-height: 200px; /* Min size requirement */
}

.page-about__image--secondary {
    margin-top: 20px;
}

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

.page-about__feature-card {
    background-color: var(--color-card-bg);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
    color: var(--color-text-main);
}

.page-about__feature-card:hover {
    transform: translateY(-5px);
}

.page-about__card-icon {
    width: 100%;
    height: auto;
    max-width: 250px;
    margin: 0 auto 20px;
    display: block;
    border-radius: 8px;
    min-width: 200px; /* Min size requirement */
    min-height: 200px; /* Min size requirement */
}

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

.page-about__feature-card p {
    font-size: 1em;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.page-about__cta-section {
    text-align: center;
    margin-top: 60px;
}

.page-about__content-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: flex-start;
}

.page-about__content-wrapper--reverse {
    grid-template-areas: "image text";
}

.page-about__content-wrapper--reverse .page-about__image-block {
    grid-area: image;
}

.page-about__content-wrapper--reverse .page-about__text-block {
    grid-area: text;
}

.page-about__image-block--right {
    text-align: right;
}

.page-about__image-block--left {
    text-align: left;
}

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

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

.page-about__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    font-size: 1.2em;
    font-weight: bold;
    color: var(--color-text-main);
    background-color: var(--color-deep-green);
    border-bottom: 1px solid var(--color-divider);
}

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

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

.page-about__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    transition: transform 0.3s ease;
    color: var(--color-gold);
}

.page-about__faq-item[open] .page-about__faq-toggle {
    transform: rotate(45deg);
}

.page-about__faq-answer {
    padding: 20px 25px;
    font-size: 1.05em;
    line-height: 1.6;
    color: var(--color-text-secondary);
    background-color: var(--color-card-bg);
}

.page-about__cta-final {
    text-align: center;
    padding: 80px 20px;
    background-color: var(--color-deep-green);
}

.page-about__cta-title {
    font-size: 2.5em;
    color: var(--color-gold);
    margin-bottom: 20px;
    font-weight: bold;
}

.page-about__cta-description {
    font-size: 1.2em;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Responsive design */
@media (max-width: 1024px) {
    .page-about__grid-two-cols,
    .page-about__content-wrapper {
        grid-template-columns: 1fr;
    }
    .page-about__content-wrapper--reverse {
        grid-template-areas: unset; /* Reset grid area for single column */
    }
    .page-about__image-block--right,
    .page-about__image-block--left {
        text-align: center;
    }
    .page-about__image--secondary {
        margin-top: 0;
    }
}

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

    .page-about__main-title {
        font-size: clamp(1.8em, 6vw, 2.5em);
    }

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

    .page-about__cta-buttons {
        flex-direction: column;
        gap: 15px;
        padding: 0 15px;
    }

    .page-about__btn-primary,
    .page-about__btn-secondary {
        width: 100% !important;
        max-width: 100% !important;
        padding: 12px 20px;
    }

    .page-about__section {
        padding: 60px 15px;
    }

    .page-about__section-title {
        font-size: 2em;
        margin-bottom: 40px;
    }

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

    .page-about__text-block p {
        font-size: 1em;
    }

    .page-about__features-grid {
        grid-template-columns: 1fr;
    }

    .page-about__card-icon {
        max-width: 200px;
    }

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

    .page-about__faq-question {
        font-size: 1.1em;
        padding: 15px 20px;
    }

    .page-about__faq-answer {
        font-size: 0.95em;
        padding: 15px 20px;
    }

    .page-about__cta-title {
        font-size: 2em;
    }

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

    /* 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__hero-image-wrapper,
    .page-about__hero-content,
    .page-about__cta-final {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow: hidden !important;
    }

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

    .page-about__video-section {
        padding-top: 10px !important; /* body đã承担 --header-offset，此处禁止 var(--header-offset) */
    }

    .page-about video,
    .page-about__video {
      max-width: 100% !important;
      width: 100% !important;
      height: auto !important;
      display: block !important;
    }
    
    .page-about__video-section,
    .page-about__video-container,
    .page-about__video-wrapper {
      max-width: 100% !important;
      width: 100% !important;
      box-sizing: border-box !important;
      padding-left: 15px;
      padding-right: 15px;
      overflow: hidden !important;
    }

    .page-about__video-wrapper {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-about__cta-button,
    .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__cta-buttons {
      display: flex;
      flex-direction: column; 
    }
}