:root {
    --primary-color: #FF8C1A; /* Main Orange */
    --secondary-color: #FFA53A; /* Auxiliary Orange */
    --card-bg: #17191F; /* Card Background */
    --page-bg: #0D0E12; /* Page Background */
    --text-main: #FFF3E6; /* Main Text Color */
    --border-color: #A84F0C; /* Border Color */
    --glow-color: #FFB04D; /* Glow Color */
    --deep-orange: #D96800; /* Deep Orange */
    --button-gradient: linear-gradient(180deg, var(--secondary-color) 0%, var(--deep-orange) 100%);
}

.page-about {
    font-family: 'Arial', sans-serif;
    color: var(--text-main); /* Main text color for dark background */
    background-color: var(--page-bg);
    line-height: 1.6;
    font-size: 16px;
}

/* HERO Section */
.page-about__hero-section {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 20px;
    padding-top: 10px; /* Small top padding as body handles header offset */
    background-color: var(--page-bg);
}

.page-about__hero-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%; /* Ensure full width for flex item */
}

.page-about__hero-image {
    width: 100%;
    margin-bottom: 30px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.page-about__hero-image img {
    width: 100%;
    height: auto;
    max-width: 100%;
    display: block;
    object-fit: cover;
    border-radius: 12px;
}

.page-about__hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    width: 100%;
    max-width: 900px;
}

.page-about__main-title {
    font-size: clamp(2em, 3.2vw, 3.2em); /* Using clamp for H1 */
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
}

.page-about__description {
    font-size: 1.15em;
    color: var(--text-main);
    max-width: 800px;
    margin: 0 auto 30px;
    opacity: 0.9;
}

.page-about__cta-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
    width: 100%; /* Ensure button container is full width */
    max-width: 100%;
    box-sizing: border-box;
}

.page-about__cta-button {
    display: inline-block;
    padding: 15px 40px;
    background: var(--button-gradient);
    color: #ffffff;
    text-decoration: none;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    border: none;
    cursor: pointer;
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-about__cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    opacity: 0.9;
}

/* General Section Styles */
.page-about__section {
    padding: 80px 20px;
    text-align: center;
    background-color: var(--page-bg);
    border-bottom: 1px solid rgba(var(--border-color), 0.3);
}

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

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

.page-about__section-title {
    font-size: 2.5em;
    color: var(--primary-color);
    margin-bottom: 40px;
    font-weight: 700;
    line-height: 1.3;
    text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.4);
}

.page-about__text {
    font-size: 1.05em;
    color: var(--text-main);
    max-width: 900px;
    margin: 0 auto 25px;
    opacity: 0.85;
}

.page-about__text strong {
    color: var(--secondary-color);
}

/* Feature Grid */
.page-about__feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-about__feature-item {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

.page-about__feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.page-about__feature-item img {
    width: 250px; /* Ensure minimum 200x200 */
    height: 250px;
    margin: 0 auto 20px;
    object-fit: contain;
    filter: drop-shadow(0 0 5px var(--primary-color));
}

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

.page-about__feature-description {
    font-size: 0.95em;
    color: var(--text-main);
    opacity: 0.8;
}

/* Timeline */
.page-about__timeline {
    display: flex;
    flex-direction: column;
    position: relative;
    margin-top: 50px;
    padding: 0 20px;
}

.page-about__timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background-color: var(--primary-color);
    transform: translateX(-50%);
    box-shadow: 0 0 10px var(--primary-color);
}

.page-about__timeline-item {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 40px;
    position: relative;
}

.page-about__timeline-item:nth-child(odd) {
    flex-direction: row;
}

.page-about__timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.page-about__timeline-item:nth-child(odd) .page-about__timeline-year {
    text-align: right;
    margin-right: 40px;
}

.page-about__timeline-item:nth-child(even) .page-about__timeline-year {
    text-align: left;
    margin-left: 40px;
}

.page-about__timeline-year {
    font-size: 2em;
    font-weight: bold;
    color: var(--secondary-color);
    flex-basis: 20%;
    position: relative;
    z-index: 1;
}

.page-about__timeline-year::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 20px;
    height: 20px;
    background-color: var(--primary-color);
    border-radius: 50%;
    border: 3px solid var(--card-bg);
    box-shadow: 0 0 10px var(--primary-color);
    transform: translateY(-50%);
    z-index: 2;
}

.page-about__timeline-item:nth-child(odd) .page-about__timeline-year::after {
    right: -50px;
}

.page-about__timeline-item:nth-child(even) .page-about__timeline-year::after {
    left: -50px;
}

.page-about__timeline-description {
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    flex-basis: 45%;
    font-size: 1em;
    color: var(--text-main);
    opacity: 0.85;
    border: 1px solid var(--border-color);
}

/* Commitment Section */
.page-about__commitment-content {
    display: flex;
    align-items: center;
    gap: 50px;
    margin-top: 50px;
    text-align: left;
}

.page-about__commitment-text {
    flex: 1;
}

.page-about__commitment-image {
    flex: 0 0 450px; /* Fixed width for image on desktop */
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-color);
}

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

.page-about__commitment-list {
    list-style: disc;
    padding-left: 25px;
    margin-top: 30px;
    text-align: left;
}

.page-about__commitment-list li {
    margin-bottom: 10px;
    font-size: 1.05em;
    color: var(--text-main);
    opacity: 0.9;
}

/* Why Choose Section */
.page-about__reason-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-about__reason-card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
    text-align: left;
}

.page-about__reason-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.page-about__reason-card img {
    width: 100%;
    height: 200px; /* Fixed height for consistency */
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

.page-about__reason-title {
    font-size: 1.6em;
    color: var(--secondary-color);
    margin-bottom: 15px;
    font-weight: 600;
}

.page-about__reason-description {
    font-size: 0.95em;
    color: var(--text-main);
    opacity: 0.8;
}

/* App Tech Section */
.page-about__app-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-about__app-feature-item {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
    text-align: left;
}

.page-about__app-feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.page-about__app-feature-item img {
    width: 100%;
    height: 200px; /* Changed from 180px to 200px to meet min-size requirement */
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

.page-about__app-feature-title {
    font-size: 1.5em;
    color: var(--secondary-color);
    margin-bottom: 15px;
    font-weight: 600;
}

.page-about__app-feature-description {
    font-size: 0.95em;
    color: var(--text-main);
    opacity: 0.8;
}

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

/* Future Vision Section */
.page-about__future-image {
    margin-top: 50px;
    width: 100%;
    max-width: 1000px;
    height: auto;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-color);
}

/* FAQ Section */
.page-about__faq-list {
    margin-top: 50px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

details.page-about__faq-item {
    margin-bottom: 15px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    background: var(--card-bg);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}
details.page-about__faq-item summary.page-about__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    cursor: pointer;
    user-select: none;
    list-style: none;
    transition: background-color 0.3s ease;
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 1.1em;
}
details.page-about__faq-item summary.page-about__faq-question::-webkit-details-marker {
    display: none;
}
details.page-about__faq-item summary.page-about__faq-question:hover {
    background: rgba(var(--primary-color), 0.1);
}
.page-about__faq-qtext {
    flex: 1;
    font-size: 1.1em;
    font-weight: 600;
    line-height: 1.5;
    text-align: left;
    color: var(--secondary-color);
}
.page-about__faq-toggle {
    font-size: 1.8em;
    font-weight: bold;
    color: var(--primary-color);
    flex-shrink: 0;
    margin-left: 15px;
    width: 30px;
    text-align: center;
}
details.page-about__faq-item .page-about__faq-answer {
    padding: 0 25px 25px;
    background: var(--card-bg);
    border-radius: 0 0 12px 12px;
    text-align: left;
    color: var(--text-main);
    opacity: 0.85;
}
.page-about__faq-answer p {
    margin: 0;
    font-size: 1em;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-about__hero-image img {
        border-radius: 8px;
    }
    .page-about__main-title {
        font-size: 2.8em;
    }
    .page-about__section-title {
        font-size: 2.2em;
    }
    .page-about__commitment-content {
        flex-direction: column;
        gap: 30px;
    }
    .page-about__commitment-image {
        flex: none;
        width: 100%;
        max-width: 600px; /* Constrain image width on tablet */
        margin: 0 auto;
    }
    .page-about__timeline::before {
        left: 20px;
        transform: translateX(0);
    }
    .page-about__timeline-item {
        flex-direction: row !important;
        justify-content: flex-start;
    }
    .page-about__timeline-item:nth-child(odd) .page-about__timeline-year,
    .page-about__timeline-item:nth-child(even) .page-about__timeline-year {
        text-align: left;
        margin-left: 0;
        margin-right: 20px;
        flex-basis: 120px;
    }
    .page-about__timeline-item:nth-child(odd) .page-about__timeline-year::after,
    .page-about__timeline-item:nth-child(even) .page-about__timeline-year::after {
        left: 10px;
        right: auto;
    }
    .page-about__timeline-description {
        flex-basis: calc(100% - 140px);
    }
}

@media (max-width: 768px) {
    .page-about {
        font-size: 15px;
        line-height: 1.5;
    }
    .page-about__hero-section {
        padding-top: 10px !important; /* body already handles header offset */
        padding-bottom: 40px;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-about__hero-image {
        margin-bottom: 20px;
        border-radius: 8px;
    }
    .page-about__hero-image img {
        border-radius: 8px;
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    .page-about__main-title {
        font-size: 2em; /* Smaller H1 for mobile */
        margin-bottom: 15px;
    }
    .page-about__description {
        font-size: 1em;
        margin-bottom: 20px;
    }
    .page-about__cta-buttons {
        flex-direction: column; /* Stack buttons vertically */
        gap: 15px;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-about__cta-button {
        padding: 12px 25px;
        font-size: 1em;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    .page-about__section {
        padding: 50px 15px;
    }
    .page-about__section-title {
        font-size: 1.8em;
        margin-bottom: 30px;
    }
    .page-about__text {
        font-size: 0.95em;
        margin-bottom: 20px;
    }

    .page-about__feature-grid,
    .page-about__reason-grid,
    .page-about__app-features {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .page-about__feature-item img {
        width: 200px; /* Minimum size for mobile as well */
        height: 200px;
        margin: 0 auto 15px;
    }
    .page-about__feature-title {
        font-size: 1.3em;
    }
    .page-about__reason-card img,
    .page-about__app-feature-item img {
        height: auto !important; /* Mobile auto height */
        min-height: 200px; /* Ensure min height even with auto */
        max-width: 100% !important;
        width: 100% !important;
        border-radius: 6px;
    }
    .page-about__commitment-image {
        width: 100%;
        border-radius: 8px;
    }
    .page-about__commitment-image img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }

    .page-about__commitment-list {
        padding-left: 20px;
    }
    .page-about__commitment-list li {
        font-size: 1em;
    }

    .page-about__timeline::before {
        left: 15px;
    }
    .page-about__timeline-item:nth-child(odd) .page-about__timeline-year,
    .page-about__timeline-item:nth-child(even) .page-about__timeline-year {
        text-align: left;
        margin-left: 0;
        margin-right: 15px;
        flex-basis: 90px;
        font-size: 1.5em;
    }
    .page-about__timeline-item:nth-child(odd) .page-about__timeline-year::after,
    .page-about__timeline-item:nth-child(even) .page-about__timeline-year::after {
        left: 5px;
        width: 16px;
        height: 16px;
    }
    .page-about__timeline-description {
        flex-basis: calc(100% - 105px);
        padding: 15px;
        font-size: 0.9em;
    }

    .page-about__future-image {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        border-radius: 8px;
    }

    details.page-about__faq-item {
        margin-bottom: 10px;
        border-radius: 8px;
    }
    details.page-about__faq-item summary.page-about__faq-question {
        padding: 15px 20px;
        font-size: 1em;
    }
    .page-about__faq-qtext {
        font-size: 1em;
    }
    .page-about__faq-toggle {
        font-size: 1.5em;
        width: 25px;
    }
    details.page-about__faq-item .page-about__faq-answer {
        padding: 0 20px 20px;
    }
    .page-about__faq-answer p {
        font-size: 0.95em;
    }

    /* Enforce min-display size for images in content area, if not already handled by specific rules */
    .page-about__section img {
        min-width: 200px;
        min-height: 200px;
    }
}