:root {
    --primary-color: #11A84E;
    --secondary-color: #22C768;
    --button-gradient-start: #2AD16F;
    --button-gradient-end: #13994A;
    --button-gradient-start-rgb: 42, 209, 111; /* For box-shadow rgba */
    --background-color-card: #11271B;
    --background-color-main: #08160F;
    --text-main: #F2FFF6;
    --text-secondary: #A7D9B8;
    --border-color: #2E7A4E;
    --glow-color: #57E38D;
    --gold-color: #F2C14E;
    --divider-color: #1E3A2A;
    --deep-green-color: #0A4B2C;
}

/* style/download.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần lặp lại để tránh double padding */
.page-download {
    font-family: 'Arial', sans-serif;
    color: var(--text-main); /* #F2FFF6 */
    background-color: var(--background-color-main); /* #08160F */
    line-height: 1.6;
}

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

/* Hero Section */
.page-download__hero-section {
    position: relative;
    display: flex;
    flex-direction: column; /* Đảm bảo hình ảnh ở trên nội dung */
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 10px 0 60px 0; /* Khoảng cách trên nhỏ, dưới lớn hơn */
    overflow: hidden;
    background-color: var(--background-color-main);
}

.page-download__hero-image-wrapper {
    width: 100%;
    position: relative;
    z-index: 1;
}

.page-download__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    max-height: 675px; /* Giới hạn chiều cao của ảnh hero */
}

.page-download__hero-content {
    position: relative;
    z-index: 2;
    padding: 40px 20px;
    max-width: 900px;
    margin-top: -100px; /* Tạo hiệu ứng chồng lấn nhẹ với ảnh */
    background: rgba(8, 22, 15, 0.8); /* Nền hơi trong suốt để dễ đọc */
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.page-download__main-title {
    font-size: clamp(2em, 4vw, 3.5em); /* Kích thước font chữ thích ứng */
    font-weight: 700;
    color: var(--text-main); /* #F2FFF6 */
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.page-download__description {
    font-size: 1.1em;
    color: var(--text-secondary); /* #A7D9B8 */
    margin-bottom: 30px;
}

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

.page-download__btn-primary,
.page-download__btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    white-space: normal;
    word-wrap: break-word;
    text-align: center;
}

.page-download__btn-primary {
    background: linear-gradient(180deg, var(--button-gradient-start) 0%, var(--button-gradient-end) 100%); /* #2AD16F to #13994A */
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(var(--button-gradient-start-rgb), 0.4);
}

.page-download__btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(var(--button-gradient-start-rgb), 0.6);
}

.page-download__btn-secondary {
    background-color: transparent;
    color: var(--text-main); /* #F2FFF6 */
    border: 2px solid var(--border-color); /* #2E7A4E */
}

.page-download__btn-secondary:hover {
    background-color: rgba(46, 122, 78, 0.2); /* var(--border-color) with opacity */
    transform: translateY(-2px);
}

/* General Sections */
.page-download__section-title {
    font-size: clamp(1.8em, 3.5vw, 2.8em);
    color: var(--text-main);
    text-align: center;
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.3;
}

.page-download__section-description {
    font-size: 1em;
    color: var(--text-secondary);
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px auto;
}

.page-download__dark-section {
    background-color: var(--background-color-card); /* #11271B */
    color: var(--text-main);
    padding: 80px 0;
}

.page-download__light-bg {
    background-color: var(--background-color-main); /* #08160F */
    color: var(--text-main);
}

/* Features Section */
.page-download__features-section {
    padding: 80px 0;
}

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

.page-download__feature-card {
    background-color: var(--background-color-card); /* #11271B */
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

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

.page-download__feature-icon {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin-bottom: 20px;
}

.page-download__feature-title {
    font-size: 1.4em;
    color: var(--text-main);
    margin-bottom: 10px;
    font-weight: 600;
}

.page-download__feature-text {
    font-size: 0.95em;
    color: var(--text-secondary);
}

/* How To Download Section */
.page-download__how-to-download {
    padding: 80px 0;
    background-color: var(--background-color-main);
}

.page-download__download-steps {
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin-top: 50px;
}

.page-download__step-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--background-color-card); /* #11271B */
    border-radius: 10px;
    padding: 40px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    text-align: center;
}

.page-download__step-title {
    font-size: 1.6em;
    color: var(--gold-color); /* #F2C14E */
    margin-bottom: 20px;
    font-weight: 700;
}

.page-download__step-text {
    font-size: 1.05em;
    color: var(--text-secondary);
    margin-bottom: 30px;
    max-width: 800px;
}

.page-download__strong-text {
    color: var(--text-main);
    font-weight: 600;
}

.page-download__step-image {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.page-download__cta-buttons--centered {
    margin-top: 60px;
}

/* Advantages Section */
.page-download__advantages-section {
    padding: 80px 0;
}

.page-download__advantage-list {
    list-style: none;
    padding: 0;
    margin-top: 50px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.page-download__advantage-item {
    background-color: var(--background-color-main); /* #08160F */
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--divider-color); /* #1E3A2A */
}

.page-download__advantage-heading {
    font-size: 1.3em;
    color: var(--text-main);
    margin-bottom: 10px;
    font-weight: 600;
    position: relative;
    padding-left: 30px;
}

.page-download__advantage-heading::before {
    content: '✅'; /* Hoặc một biểu tượng được tạo kiểu */
    position: absolute;
    left: 0;
    top: 0;
    font-size: 1.1em;
    color: var(--glow-color); /* #57E38D */
}

.page-download__advantage-text {
    font-size: 0.95em;
    color: var(--text-secondary);
}

/* FAQ Section */
.page-download__faq-section {
    padding: 80px 0;
    background-color: var(--background-color-main);
}

.page-download__faq-list {
    margin-top: 50px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.page-download__faq-item {
    background-color: var(--background-color-card); /* #11271B */
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.page-download__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    font-size: 1.15em;
    font-weight: 600;
    cursor: pointer;
    background-color: var(--deep-green-color); /* #0A4B2C */
    color: var(--text-main);
    transition: background-color 0.3s ease;
    list-style: none; /* Đối với details/summary */
}

.page-download__faq-question::-webkit-details-marker {
    display: none; /* Đối với details/summary */
}

.page-download__faq-question:hover {
    background-color: var(--border-color); /* #2E7A4E */
}

.page-download__faq-qtext {
    flex-grow: 1;
}

.page-download__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    margin-left: 20px;
    color: var(--gold-color); /* #F2C14E */
}

.page-download__faq-answer {
    padding: 20px 30px;
    font-size: 1em;
    color: var(--text-secondary);
    background-color: var(--background-color-card);
}

/* CTA Bottom Section */
.page-download__cta-bottom {
    padding: 80px 0;
    text-align: center;
    background-color: var(--background-color-card);
}

.page-download__cta-content {
    max-width: 800px;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-download__hero-content {
        margin-top: -50px;
        padding: 30px 20px;
    }
    .page-download__feature-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    .page-download__advantages-section .page-download__advantage-list {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .page-download__hero-section {
        padding: 10px 0 40px 0;
    }
    .page-download__hero-image {
        max-height: 400px;
    }
    .page-download__hero-content {
        margin-top: -80px;
        padding: 25px 15px;
    }
    .page-download__main-title {
        font-size: 2.2em;
    }
    .page-download__description {
        font-size: 1em;
    }
    .page-download__cta-buttons {
        flex-direction: column;
        gap: 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-download__btn-primary,
    .page-download__btn-secondary {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        padding: 12px 20px;
    }

    .page-download__section-title {
        font-size: 1.8em;
    }
    .page-download__section-description {
        font-size: 0.95em;
        margin-bottom: 30px;
    }
    .page-download__feature-grid {
        grid-template-columns: 1fr;
    }
    .page-download__step-card {
        padding: 30px 20px;
    }
    .page-download__step-title {
        font-size: 1.4em;
    }
    .page-download__step-text {
        font-size: 0.9em;
    }
    .page-download__advantages-section .page-download__advantage-list {
        grid-template-columns: 1fr;
    }
    .page-download__advantage-heading {
        font-size: 1.2em;
    }
    .page-download__faq-question {
        font-size: 1em;
        padding: 15px 20px;
    }
    .page-download__faq-answer {
        padding: 15px 20px;
        font-size: 0.95em;
    }

    /* Quy tắc dành riêng cho hình ảnh/video/container trên di động */
    .page-download img {
        max-width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    .page-download__section,
    .page-download__card,
    .page-download__container,
    .page-download__hero-section,
    .page-download__features-section,
    .page-download__how-to-download,
    .page-download__advantages-section,
    .page-download__faq-section,
    .page-download__cta-bottom {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow-x: hidden !important; /* Ngăn chặn cuộn ngang */
    }
    .page-download__hero-section {
        padding-top: 10px !important; /* body đã xử lý offset */
        padding-left: 0 !important;
        padding-right: 0 !important;
    }
    .page-download__hero-image-wrapper {
        padding-left: 0 !important;
        padding-right: 0 !important;
    }
    .page-download__hero-content {
        padding-left: 20px !important; /* Điều chỉnh nếu cần để dễ đọc trong khu vực nội dung hẹp hơn */
        padding-right: 20px !important;
    }
    .page-download__feature-card,
    .page-download__step-card,
    .page-download__advantage-item,
    .page-download__faq-item {
        margin-left: 0 !important;
        margin-right: 0 !important;
    }
}