.page-download {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #FFF5E1; /* Default text color for dark background */
}

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

.page-download__hero-section {
    padding-top: 10px; /* Assuming body padding-top is handled by shared.css */
    padding-bottom: 60px;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, #7A0E0E 0%, #B71C1C 100%);
    color: #FFF5E1;
}

.page-download__hero-image-wrapper {
    width: 100%;
    max-height: 700px;
    overflow: hidden;
}

.page-download__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    filter: brightness(0.7);
}

.page-download__hero-content-wrapper {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    width: 100%;
    max-width: 800px;
    padding: 20px;
    box-sizing: border-box;
}

.page-download__hero-title {
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    margin-bottom: 20px;
    font-weight: bold;
    color: #FFCC66;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-download__hero-description {
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: #FFF5E1;
}

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

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

.page-download__btn-primary {
    background: linear-gradient(180deg, #FFD86A 0%, #E6B800 100%);
    color: #333333; /* Dark text for light gold button */
    border: none;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
}

.page-download__btn-primary:hover {
    background: linear-gradient(180deg, #E6B800 0%, #FFD86A 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.6);
}

.page-download__btn-secondary {
    background: #D32F2F;
    color: #FFF5E1;
    border: 2px solid #F2B544;
    box-shadow: 0 4px 15px rgba(211, 47, 47, 0.4);
}

.page-download__btn-secondary:hover {
    background: #C91F17;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(211, 47, 47, 0.6);
}

.page-download__section-title {
    font-size: 2.5rem;
    font-weight: bold;
    text-align: center;
    margin-bottom: 40px;
    color: #C91F17;
}

.page-download__section-text {
    font-size: 1.1rem;
    text-align: center;
    max-width: 900px;
    margin: 0 auto 50px auto;
    color: #333333;
}

.page-download__light-bg {
    background: #ffffff;
    color: #333333;
    padding: 80px 0;
}

.page-download__dark-section {
    background: #B71C1C;
    color: #FFF5E1;
    padding: 80px 0;
}

.page-download__text-main {
    color: #FFF5E1;
}

.page-download__intro-section .page-download__section-title,
.page-download__features-section .page-download__section-title,
.page-download__faq-section .page-download__section-title {
    color: #C91F17;
}

.page-download__intro-section .page-download__section-text,
.page-download__features-section .page-download__section-text,
.page-download__faq-section .page-download__section-text {
    color: #333333;
}

.page-download__features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
    margin-bottom: 60px;
}

.page-download__feature-item {
    background: #ffffff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
    border: 1px solid #e0e0e0;
}

.page-download__feature-title {
    font-size: 1.5rem;
    color: #C91F17;
    margin-bottom: 15px;
}

.page-download__feature-item p {
    color: #555555;
    font-size: 1rem;
}

.page-download__app-showcase-image {
    display: block;
    margin: 60px auto 0 auto;
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.page-download__guide-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-download__guide-card {
    background: #D32F2F; /* Card BG */
    color: #FFF5E1;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    border: 2px solid #F2B544;
    display: flex;
    flex-direction: column;
    height: 100%;
    box-sizing: border-box;
}

.page-download__guide-card-image {
    width: 100%;
    height: auto;
    max-height: 300px;
    object-fit: contain;
    margin-bottom: 25px;
    border-radius: 8px;
    background: #B71C1C;
    padding: 10px;
    box-sizing: border-box;
}

.page-download__guide-card-title {
    font-size: 1.8rem;
    color: #FFCC66;
    margin-bottom: 20px;
    text-align: center;
}

.page-download__guide-steps {
    list-style: none;
    padding-left: 0;
    margin-bottom: 30px;
    flex-grow: 1;
}

.page-download__guide-steps li {
    margin-bottom: 15px;
    position: relative;
    padding-left: 25px;
    font-size: 1rem;
    color: #FFF5E1;
}

.page-download__guide-steps li::before {
    content: '•';
    color: #FFCC66;
    position: absolute;
    left: 0;
    font-weight: bold;
    font-size: 1.2em;
    line-height: 1;
}

.page-download__guide-card .page-download__btn-primary {
    margin-top: auto;
    width: fit-content;
    align-self: center;
}

.page-download__feature-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
    margin-bottom: 60px;
}

.page-download__feature-card {
    background: #D32F2F;
    color: #FFF5E1;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    border: 2px solid #F2B544;
    height: 100%;
    box-sizing: border-box;
}

.page-download__feature-card-title {
    font-size: 1.5rem;
    color: #FFCC66;
    margin-bottom: 15px;
    text-align: center;
}

.page-download__feature-card p {
    font-size: 1rem;
    color: #FFF5E1;
}

.page-download__features-image {
    display: block;
    margin: 60px auto 0 auto;
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.page-download__security-points-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-download__security-point {
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
}

.page-download__security-point-title {
    font-size: 1.5rem;
    color: #FFCC66;
    margin-bottom: 15px;
}

.page-download__security-point p {
    font-size: 1rem;
    color: #FFF5E1;
}

.page-download__security-image {
    display: block;
    margin: 60px auto 0 auto;
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.page-download__faq-list {
    margin-top: 50px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.page-download__faq-item {
    background: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    color: #333333;
}

.page-download__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.2rem;
    font-weight: bold;
    color: #C91F17;
    cursor: pointer;
    list-style: none;
    position: relative;
}

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

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

.page-download__faq-toggle {
    font-size: 1.5rem;
    line-height: 1;
    margin-left: 15px;
    color: #C91F17;
}

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

.page-download__faq-answer {
    padding: 0 25px 20px 25px;
    font-size: 1rem;
    color: #555555;
}

.page-download__faq-answer p {
    margin-bottom: 0;
}

.page-download__cta-section {
    background: linear-gradient(135deg, #C91F17 0%, #E53935 100%);
    color: #FFF5E1;
    padding: 80px 0;
    text-align: center;
}

.page-download__cta-section .page-download__section-title {
    color: #FFCC66;
}

.page-download__cta-section .page-download__section-text {
    color: #FFF5E1;
}

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

/* Universal image responsive styles */
.page-download img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Universal button responsive styles */
.page-download a[class*="btn"] {
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-download__button-group {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    box-sizing: border-box;
}

/* Media Queries for Responsive Design */
@media (max-width: 1024px) {
    .page-download__hero-title {
        font-size: clamp(2rem, 5vw, 3rem);
    }

    .page-download__hero-description {
        font-size: clamp(0.9rem, 1.8vw, 1.1rem);
    }

    .page-download__section-title {
        font-size: 2rem;
    }

    .page-download__guide-cards-grid,
    .page-download__features-grid,
    .page-download__feature-cards-grid,
    .page-download__security-points-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 25px;
    }

    .page-download__btn-primary,
    .page-download__btn-secondary {
        padding: 12px 25px;
        font-size: 0.95rem;
    }

    .page-download__faq-question {
        font-size: 1.1rem;
        padding: 18px 20px;
    }
}

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

    /* HERO 主图区域 */
    .page-download__hero-section {
        padding-top: 10px !important;
        padding-bottom: 40px;
    }

    .page-download__hero-content-wrapper {
        position: static;
        transform: none;
        padding: 20px;
        margin-top: -100px; /* Adjust to bring content up after image */
    }

    .page-download__hero-image-wrapper {
        max-height: 400px;
    }

    .page-download__hero-title {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
        margin-bottom: 15px;
    }

    .page-download__hero-description {
        font-size: clamp(0.9rem, 4vw, 1rem);
        margin-bottom: 25px;
    }

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

    .page-download__btn-primary,
    .page-download__btn-secondary {
        max-width: 100% !important;
        width: 100% !important;
        padding: 12px 15px;
        font-size: 1rem;
    }

    .page-download__section-title {
        font-size: 1.8rem;
        margin-bottom: 30px;
    }

    .page-download__section-text {
        font-size: 1rem;
        margin-bottom: 40px;
        padding: 0 15px;
    }

    .page-download__light-bg,
    .page-download__dark-section {
        padding: 50px 0;
    }

    /* Sản phẩm trưng bày (Thẻ hướng dẫn) */
    .page-download__guide-cards-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 15px;
    }

    .page-download__guide-card {
        padding: 20px;
    }

    .page-download__guide-card-title {
        font-size: 1.5rem;
    }

    .page-download__guide-steps li {
        font-size: 0.95rem;
    }

    /* Hình ảnh và vùng chứa chung */
    .page-download img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }

    .page-download__section,
    .page-download__card,
    .page-download__container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    /* Nút và vùng chứa nút */
    .page-download__cta-button,
    .page-download__btn-primary,
    .page-download__btn-secondary,
    .page-download a[class*="button"],
    .page-download 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-download__cta-buttons,
    .page-download__button-group,
    .page-download__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;
        flex-direction: column;
    }

    /* Các mô-đun nội dung khác (Lưới tính năng, FAQ) */
    .page-download__features-grid,
    .page-download__feature-cards-grid,
    .page-download__security-points-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 15px;
    }

    .page-download__feature-item,
    .page-download__feature-card,
    .page-download__security-point {
        padding: 20px;
    }

    .page-download__faq-list {
        padding: 0 15px;
    }

    .page-download__faq-question {
        font-size: 1rem;
        padding: 15px 20px;
    }

    .page-download__faq-answer {
        padding: 0 20px 15px 20px;
    }
}