.page-download {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #ffffff; /* Dark body background #1a1a2e, so light text */
    background-color: transparent;
}

.page-download__hero-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 20px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #017439, #00562b);
    color: #ffffff;
    padding-top: 0; /* Assuming shared.css handles body padding-top */
}

.page-download__hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin-bottom: 40px;
}

.page-download__hero-title {
    font-size: 3.2em;
    margin-bottom: 20px;
    font-weight: bold;
    color: #FFFF00; /* Use specific color for emphasis */
}

.page-download__hero-description {
    font-size: 1.2em;
    margin-bottom: 30px;
    color: #f0f0f0;
}

.page-download__download-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 40px;
}

.page-download__btn-primary,
.page-download__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
    white-space: normal;
    word-wrap: break-word;
    box-sizing: border-box;
    max-width: 100%;
}

.page-download__btn-primary {
    background-color: #C30808; /* Register/Login color */
    color: #FFFF00; /* Register/Login font color */
    border: 2px solid #C30808;
}

.page-download__btn-primary:hover {
    background-color: #a00606;
    border-color: #a00606;
}

.page-download__btn-secondary {
    background-color: #ffffff;
    color: #017439;
    border: 2px solid #017439;
}

.page-download__btn-secondary:hover {
    background-color: #f0f0f0;
    color: #00562b;
    border-color: #00562b;
}

.page-download__qr-codes {
    display: flex;
    gap: 40px;
    justify-content: center;
    margin-top: 20px;
    flex-wrap: wrap;
}

.page-download__qr-item {
    text-align: center;
    color: #ffffff;
}

.page-download__qr-item img {
    border: 5px solid #ffffff;
    border-radius: 10px;
    margin-bottom: 10px;
    width: 250px; /* Ensure images are not too small */
    height: 250px;
    max-width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

.page-download__hero-image {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 60%;
    height: auto;
    max-width: 100%;
    z-index: 1;
    opacity: 0.2;
    pointer-events: none;
}

.page-download__content-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px;
    color: #ffffff; /* Default text color for dark body background */
    background-color: transparent;
}

.page-download__section-title {
    font-size: 2.5em;
    text-align: center;
    margin-bottom: 40px;
    color: #FFFF00; /* Emphasize titles */
    font-weight: bold;
}

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

.page-download__feature-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    color: #ffffff;
}

.page-download__feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-download__feature-card img {
    width: 100%;
    height: 200px; /* Fixed height for consistency */
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
    min-width: 200px; /* Ensure minimum size */
    min-height: 200px;
    max-width: 100%;
    height: auto;
    display: block;
}

.page-download__card-title {
    font-size: 1.5em;
    margin-bottom: 15px;
    color: #FFFF00;
}

.page-download__how-to-download {
    background-color: #00331a; /* Darker green background for contrast */
    padding-top: 80px;
    padding-bottom: 80px;
}

.page-download__download-steps-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.page-download__download-platform {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    padding: 35px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    color: #ffffff;
}

.page-download__platform-title {
    font-size: 2em;
    margin-bottom: 25px;
    color: #FFFF00;
    text-align: center;
}

.page-download__step-list {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
}

.page-download__step-list li {
    margin-bottom: 15px;
    padding-left: 30px;
    position: relative;
}

.page-download__step-list li:before {
    counter-increment: step-counter;
    content: "Bước " counter(step-counter) ":";
    position: absolute;
    left: 0;
    top: 0;
    font-weight: bold;
    color: #FFFF00;
}

.page-download__step-list li p {
    margin: 0;
    padding-left: 0; /* Adjust for step counter */
}

.page-download__app-features .page-download__section-title {
    color: #FFFF00;
}

.page-download__features-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 50px;
}

.page-download__feature-item {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    color: #ffffff;
}

.page-download__feature-heading {
    font-size: 1.6em;
    margin-bottom: 10px;
    color: #FFFF00;
}

.page-download__cta-section {
    text-align: center;
    background: linear-gradient(90deg, #017439, #00562b);
    padding: 40px;
    border-radius: 12px;
    margin-top: 50px;
}

.page-download__cta-section p {
    font-size: 1.3em;
    margin-bottom: 30px;
    color: #ffffff;
}

.page-download__security-reliability {
    background-color: #00331a;
    padding-top: 80px;
    padding-bottom: 80px;
}

.page-download__security-content {
    display: flex;
    gap: 40px;
    align-items: center;
}

.page-download__security-image {
    width: 50%;
    height: auto;
    border-radius: 12px;
    object-fit: cover;
    min-width: 200px;
    min-height: 200px;
    max-width: 100%;
    height: auto;
    display: block;
}

.page-download__security-text {
    width: 50%;
    color: #ffffff;
}

.page-download__security-text p {
    margin-bottom: 15px;
    font-size: 1.1em;
}

.page-download__faq-section {
    padding-top: 60px;
    padding-bottom: 60px;
}

.page-download__faq-list {
    margin-top: 30px;
}

.page-download__faq-item {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
    color: #ffffff;
}

.page-download__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    background-color: rgba(255, 255, 255, 0.15);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    transition: background-color 0.3s ease;
}

.page-download__faq-question:hover {
    background-color: rgba(255, 255, 255, 0.25);
}

.page-download__faq-question h3 {
    margin: 0;
    font-size: 1.3em;
    color: #FFFF00;
}

.page-download__faq-toggle {
    font-size: 1.8em;
    font-weight: bold;
    color: #FFFF00;
    transition: transform 0.3s ease;
}

.page-download__faq-item.active .page-download__faq-toggle {
    transform: rotate(45deg);
}

.page-download__faq-answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 25px;
    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
    background-color: rgba(255, 255, 255, 0.05);
}

.page-download__faq-item.active .page-download__faq-answer {
    max-height: 1000px !important; /* Sufficiently large */
    padding: 15px 25px !important;
}

.page-download__faq-answer p {
    margin: 0;
    padding-top: 10px;
    padding-bottom: 10px;
}

.page-download__download-buttons--bottom {
    margin-top: 40px;
}

/* Responsive styles */
@media (max-width: 1024px) {
    .page-download__hero-title {
        font-size: 2.8em;
    }

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

    .page-download__hero-image {
        width: 50%; /* Adjust for smaller screens */
        opacity: 0.15;
    }

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

    .page-download__security-content {
        flex-direction: column;
        text-align: center;
    }

    .page-download__security-image,
    .page-download__security-text {
        width: 80%;
    }
}

@media (max-width: 768px) {
    .page-download__hero-section {
        padding: 40px 15px;
        padding-top: 0; /* Assuming shared.css handles body padding-top */
    }

    .page-download__hero-title {
        font-size: 2.2em;
        margin-bottom: 15px;
    }

    .page-download__hero-description {
        font-size: 1em;
        margin-bottom: 25px;
    }

    .page-download__download-buttons {
        flex-direction: column;
        gap: 15px;
        width: 100%;
        padding: 0 15px;
        box-sizing: border-box;
    }

    .page-download__btn-primary,
    .page-download__btn-secondary {
        max-width: 100% !important;
        width: 100% !important;
        padding: 12px 20px;
        font-size: 1em;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    .page-download__qr-codes {
        flex-direction: column;
        gap: 20px;
        padding: 0 15px;
    }

    .page-download__qr-item img {
        width: 200px !important;
        height: 200px !important;
        margin: 0 auto 10px auto;
        max-width: 100% !important;
        height: auto !important;
    }

    .page-download__hero-image {
        position: static;
        width: 100%;
        opacity: 0.3;
        margin-top: 30px;
    }

    .page-download__content-section {
        padding: 40px 15px;
    }

    .page-download__section-title {
        font-size: 2em;
        margin-bottom: 30px;
    }

    .page-download__features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-download__feature-card {
        padding: 25px;
    }

    .page-download__feature-card img {
        height: auto; /* Adjust height for mobile, maintaining aspect ratio with object-fit */
        min-height: 200px !important;
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }

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

    .page-download__how-to-download {
        padding-top: 60px;
        padding-bottom: 60px;
    }

    .page-download__download-platform {
        padding: 25px;
    }

    .page-download__platform-title {
        font-size: 1.6em;
        margin-bottom: 20px;
    }

    .page-download__features-list {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-download__feature-item {
        padding: 20px;
    }

    .page-download__feature-heading {
        font-size: 1.4em;
    }

    .page-download__cta-section {
        padding: 30px 15px;
    }

    .page-download__cta-section p {
        font-size: 1.1em;
        margin-bottom: 20px;
    }

    .page-download__security-content {
        flex-direction: column;
        gap: 30px;
    }

    .page-download__security-image,
    .page-download__security-text {
        width: 100%;
        padding: 0 15px;
        box-sizing: border-box;
    }
}