/* style/download.css */
/* body đã padding-top: var(--header-offset) từ shared.css, không cần thêm ở đây */

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

.page-download {
    background-color: var(--bg-dark); /* Sử dụng màu nền tối cho body */
    color: var(--text-main); /* Chữ màu sáng trên nền tối */
    font-family: Arial, sans-serif;
    line-height: 1.6;
}

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

.page-download__hero-section {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding-top: 10px; /* Small top padding, body handles --header-offset */
    padding-bottom: 60px;
    text-align: center;
    overflow: hidden;
}

.page-download__hero-image-wrapper {
    width: 100%;
    max-height: 700px; /* Limit height for hero image */
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.page-download__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    filter: brightness(0.7); /* Slightly dim the image for text readability */
}

.page-download__hero-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
    margin-top: -150px; /* Pull content up slightly over the image */
    padding: 20px;
    background: rgba(8, 22, 15, 0.7); /* Semi-transparent background for text */
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.page-download__main-title {
    font-size: clamp(2em, 4vw, 3.5em);
    font-weight: bold;
    color: var(--text-main);
    margin-bottom: 15px;
    line-height: 1.2;
}

.page-download__description {
    font-size: 1.1em;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.page-download__cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap; /* Allow wrapping on smaller screens */
}

.page-download__btn-primary,
.page-download__btn-secondary {
    display: inline-block;
    padding: 14px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: all 0.3s ease;
    white-space: normal; /* Allow text wrapping */
    word-wrap: break-word; /* Ensure long words break */
    box-sizing: border-box;
}

.page-download__btn-primary {
    background: var(--btn-gradient);
    color: var(--text-main);
    border: 2px solid transparent;
    box-shadow: 0 4px 15px rgba(42, 209, 111, 0.3);
}

.page-download__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(42, 209, 111, 0.4);
}

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

.page-download__btn-secondary:hover {
    background: var(--primary-color);
    color: var(--text-main);
    transform: translateY(-2px);
}

.page-download__section-title {
    font-size: clamp(1.8em, 3.5vw, 2.8em);
    color: var(--gold-color);
    text-align: center;
    margin-bottom: 20px;
    font-weight: bold;
}

.page-download__section-description {
    font-size: 1.1em;
    color: var(--text-secondary);
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px auto;
}

.page-download__features-section,
.page-download__security-section,
.page-download__cta-bottom-section {
    padding: 80px 0;
    background-color: var(--bg-dark);
}

.page-download__guide-section,
.page-download__faq-section {
    padding: 80px 0;
    background-color: var(--bg-card);
    color: var(--text-main);
}

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

.page-download__feature-card {
    background-color: var(--bg-card);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
    border: 1px solid var(--border-color);
    color: var(--text-main);
}

.page-download__feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-download__feature-icon {
    width: 100%;
    height: auto;
    max-width: 200px;
    margin-bottom: 20px;
    display: block;
    margin-left: auto;
    margin-right: auto;
    border-radius: 8px;
}

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

.page-download__card-text {
    color: var(--text-secondary);
    font-size: 1em;
}

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

.page-download__step-item {
    background-color: var(--deep-green);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    color: var(--text-main);
}

.page-download__step-title {
    font-size: 1.6em;
    color: var(--gold-color);
    margin-bottom: 20px;
    font-weight: bold;
}

.page-download__step-list {
    list-style: decimal;
    padding-left: 20px;
    margin-bottom: 30px;
    color: var(--text-secondary);
}

.page-download__step-list li {
    margin-bottom: 10px;
}

.page-download__btn-small {
    font-size: 0.9em;
    padding: 10px 20px;
}

.page-download__guide-image {
    display: block;
    margin: 60px auto 0 auto;
    max-width: 800px;
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.page-download__security-points {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-top: 40px;
}

.page-download__security-item {
    background-color: var(--deep-green);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
    color: var(--text-main);
}

.page-download__item-title {
    font-size: 1.4em;
    color: var(--gold-color);
    margin-bottom: 10px;
    font-weight: bold;
}

.page-download__item-text {
    color: var(--text-secondary);
}

.page-download__security-image {
    display: block;
    margin: 60px auto 0 auto;
    max-width: 700px;
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.page-download__faq-list {
    margin-top: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.page-download__faq-item {
    background-color: var(--deep-green);
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.page-download__faq-item summary {
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    background-color: var(--bg-card);
    color: var(--text-main);
    font-weight: bold;
    font-size: 1.2em;
    border-bottom: 1px solid var(--divider-color);
}

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

.page-download__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.page-download__faq-qtext {
    color: var(--text-main);
}

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

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

.page-download__faq-answer {
    padding: 20px 25px;
    background-color: var(--deep-green);
    color: var(--text-secondary);
    font-size: 1em;
    border-top: 1px solid var(--divider-color);
}

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

/* -------------------------------------------------------------------------- */
/*                              Responsive Design                             */
/* -------------------------------------------------------------------------- */

@media (max-width: 1024px) {
    .page-download__hero-content {
        margin-top: -100px;
    }
}

@media (max-width: 768px) {
    .page-download__hero-section {
        padding-bottom: 40px;
    }
    .page-download__hero-content {
        margin-top: -80px;
        padding: 15px;
    }
    .page-download__main-title {
        font-size: 2em !important;
    }
    .page-download__description {
        font-size: 1em !important;
        margin-bottom: 20px;
    }
    .page-download__cta-buttons {
        flex-direction: column;
        gap: 15px;
        padding-left: 15px;
        padding-right: 15px;
        width: 100%;
        box-sizing: border-box;
    }
    .page-download__btn-primary,
    .page-download__btn-secondary {
        width: 100% !important;
        max-width: 100% !important;
        padding: 12px 20px;
        font-size: 1em;
    }

    .page-download__section-title {
        font-size: 1.8em !important;
    }
    .page-download__section-description {
        font-size: 0.95em !important;
        margin-bottom: 30px;
    }

    .page-download__features-section,
    .page-download__guide-section,
    .page-download__security-section,
    .page-download__faq-section,
    .page-download__cta-bottom-section {
        padding: 50px 0;
    }

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

    .page-download__feature-card {
        padding: 25px;
    }
    .page-download__card-title {
        font-size: 1.3em;
    }
    .page-download__card-text {
        font-size: 0.95em;
    }

    .page-download__guide-steps {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .page-download__step-item {
        padding: 25px;
    }
    .page-download__step-title {
        font-size: 1.4em;
    }
    .page-download__step-list {
        font-size: 0.95em;
    }

    .page-download__guide-image,
    .page-download__security-image {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        margin-top: 40px;
    }

    .page-download__security-item {
        padding: 20px;
    }
    .page-download__item-title {
        font-size: 1.2em;
    }
    .page-download__item-text {
        font-size: 0.95em;
    }

    .page-download__faq-item summary {
        padding: 15px 20px;
        font-size: 1.1em;
    }
    .page-download__faq-answer {
        padding: 15px 20px;
        font-size: 0.95em;
    }

    /* Ensure all images are responsive */
    .page-download img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }

    .page-download__section,
    .page-download__card,
    .page-download__container,
    .page-download__cta-buttons,
    .page-download__guide-steps,
    .page-download__security-points,
    .page-download__faq-list {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow: hidden !important; /* Prevent content overflow */
    }

    .page-download__hero-section {
        padding-top: 10px !important; /* body already handles --header-offset */
    }
}

@media (max-width: 480px) {
    .page-download__hero-content {
        margin-top: -60px;
    }
    .page-download__main-title {
        font-size: 1.8em !important;
    }
    .page-download__section-title {
        font-size: 1.6em !important;
    }
    .page-download__btn-primary,
    .page-download__btn-secondary {
        font-size: 0.95em;
        padding: 10px 15px;
    }
}