/* style/download.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần thêm */

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

/* General styles for the download page */
.page-download {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-main); /* Default text color */
    background-color: var(--bg); /* Default background from shared */
}

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

.page-download__section-title {
    font-size: 2.5rem;
    color: var(--text-main);
    text-align: center;
    margin-bottom: 40px;
    font-weight: bold;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.page-download__text-block {
    font-size: 1.1rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 30px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* Hero Section */
.page-download__hero-section {
    position: relative;
    display: flex;
    flex-direction: column; /* Image above text */
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    padding-top: 10px; /* Small top padding, body handles header offset */
    background-color: var(--deep-green); /* Example: a darker green for hero section */
    overflow: hidden; /* Ensure content doesn't overflow */
}

.page-download__hero-image-wrapper {
    width: 100%;
    max-width: 1200px; /* Limit image width */
    margin-bottom: 40px; /* Space between image and text */
}

.page-download__hero-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
    object-fit: cover;
}

.page-download__hero-content {
    text-align: center;
    max-width: 800px;
    position: relative; /* Ensure it's not absolutely positioned over the image */
    z-index: 1; /* Ensure text is above any potential background elements */
}

.page-download__main-title {
    font-size: clamp(2.5rem, 5vw, 3.2rem); /* Responsive font size */
    color: var(--gold); /* Use gold for main title */
    margin-bottom: 20px;
    font-weight: bold;
    line-height: 1.2;
    letter-spacing: -0.03em;
}

.page-download__description {
    font-size: 1.2rem;
    color: var(--text-main);
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.page-download__cta-buttons {
    display: flex;
    flex-wrap: wrap; /* Allow buttons to wrap on smaller screens */
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

/* Buttons */
.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: 1.1rem;
    font-weight: bold;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-sizing: border-box;
    min-width: 200px; /* Ensure minimum button width */
    white-space: normal; /* Allow text to wrap */
    word-wrap: break-word; /* Break long words */
    text-align: center;
}

.page-download__btn-primary {
    background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
    color: #ffffff; /* White text for primary button */
    border: none;
}

.page-download__btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
}

.page-download__btn-secondary {
    background: transparent;
    color: var(--text-main); /* Main text color for secondary */
    border: 2px solid var(--glow); /* Border with glow color */
}

.page-download__btn-secondary:hover {
    background: var(--glow);
    color: var(--deep-green); /* Darker text on hover */
    transform: translateY(-2px);
}

/* Why Download Section */
.page-download__why-download-section {
    padding: 80px 0;
    background-color: var(--card-bg); /* Darker background for contrast */
    color: var(--text-main);
}

.page-download__dark-section {
    background-color: var(--card-bg); /* Use Card BG for dark sections */
    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-item {
    background-color: var(--bg); /* Slightly lighter background for cards */
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--divider);
}

.page-download__feature-icon {
    width: 100%; /* Ensure responsiveness */
    max-width: 200px; /* Adhere to minimum size, allow it to scale down from generated size */
    height: auto;
    margin-bottom: 20px;
    object-fit: contain;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.page-download__feature-title {
    font-size: 1.5rem;
    color: var(--gold);
    margin-bottom: 15px;
    font-weight: bold;
}

.page-download__feature-description {
    font-size: 1rem;
    color: var(--text-secondary);
}

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

.page-download__download-steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.page-download__download-platform {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--divider);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.page-download__platform-title {
    font-size: 1.8rem;
    color: var(--gold);
    margin-bottom: 25px;
    font-weight: bold;
}

.page-download__platform-image {
    width: 100%;
    max-width: 400px; /* Limit image width */
    height: auto;
    display: block;
    margin-bottom: 25px;
    border-radius: 8px;
    object-fit: cover;
}

.page-download__step-list {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
    text-align: left;
    width: 100%;
    counter-reset: step-counter;
}

.page-download__step-item {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
}

.page-download__step-item::before {
    content: counter(step-counter);
    counter-increment: step-counter;
    position: absolute;
    left: 0;
    top: 0;
    background-color: var(--glow);
    color: var(--deep-green); /* Darker text on glow background */
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: bold;
}

/* Features App Section (Highlights) */
.page-download__features-app-section {
    padding: 80px 0;
    background-color: var(--card-bg);
    color: var(--text-main);
}

.page-download__highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-download__highlight-item {
    background-color: var(--bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--divider);
}

.page-download__highlight-title {
    font-size: 1.6rem;
    color: var(--gold);
    margin-bottom: 15px;
    font-weight: bold;
    text-align: center;
}

.page-download__highlight-description {
    font-size: 1rem;
    color: var(--text-secondary);
    text-align: center;
}

/* Notes Section */
.page-download__notes-section {
    padding: 80px 0;
    background-color: var(--bg);
    color: var(--text-main);
}

.page-download__notes-list {
    list-style: none;
    padding: 0;
    max-width: 800px;
    margin: 40px auto;
}

.page-download__note-item {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    padding-left: 30px;
    position: relative;
}

.page-download__note-item strong {
    color: var(--text-main);
}

.page-download__note-item::before {
    content: "⚠️";
    position: absolute;
    left: 0;
    top: 0;
    font-size: 1.2rem;
    color: var(--gold);
}

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

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

.page-download__faq-item {
    background-color: var(--bg);
    margin-bottom: 15px;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--divider);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

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

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

.page-download__faq-toggle {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--glow);
    margin-left: 15px;
    transition: transform 0.3s ease;
}

.page-download__faq-item[open] .page-download__faq-toggle {
    transform: rotate(45deg); /* Rotate for 'x' or 'minus' effect */
}

.page-download__faq-answer {
    padding: 0 25px 20px;
    font-size: 1rem;
    color: var(--text-secondary);
    max-height: 0; /* Hidden by default for JS fallback */
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.page-download__faq-item[open] .page-download__faq-answer {
    max-height: 500px; /* Adjust as needed for content height */
}

.page-download__faq-answer p {
    margin-top: 15px;
    margin-bottom: 0;
}

/* Conclusion Section */
.page-download__conclusion-section {
    padding: 80px 0;
    background-color: var(--bg);
    color: var(--text-main);
    text-align: center;
}

/* No CSS filter for images */
.page-download img {
    filter: none;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-download__section-title {
        font-size: 2rem;
    }
    .page-download__main-title {
        font-size: clamp(2.2rem, 6vw, 2.8rem);
    }
    .page-download__description {
        font-size: 1.1rem;
    }
    .page-download__features-grid,
    .page-download__download-steps-grid,
    .page-download__highlights-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .page-download__container {
        padding: 0 15px;
    }
    .page-download__hero-section,
    .page-download__why-download-section,
    .page-download__how-to-download-section,
    .page-download__features-app-section,
    .page-download__notes-section,
    .page-download__faq-section,
    .page-download__conclusion-section {
        padding: 40px 0;
    }
    .page-download__section-title {
        font-size: 1.8rem;
        margin-bottom: 30px;
    }
    .page-download__main-title {
        font-size: clamp(1.8rem, 7vw, 2.5rem);
    }
    .page-download__description {
        font-size: 1rem;
    }
    .page-download__cta-buttons {
        flex-direction: column; /* Stack buttons vertically on mobile */
        gap: 15px;
    }
    .page-download__btn-primary,
    .page-download__btn-secondary {
        max-width: 100% !important;
        width: 100% !important;
        padding: 12px 20px;
        font-size: 1rem;
        white-space: normal !important;
        word-wrap: break-word !important;
    }
    .page-download__hero-image-wrapper {
        margin-bottom: 30px;
    }

    /* Images responsiveness */
    .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__video-section,
    .page-download__video-container,
    .page-download__video-wrapper,
    .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;
        overflow: hidden !important; /* Ensure no overflow */
    }
    .page-download__video-section {
        padding-top: 10px !important; /* body handles --header-offset, this is decorative */
    }
    .page-download__faq-question {
        font-size: 1rem;
        padding: 15px 20px;
    }
    .page-download__faq-answer {
        padding: 0 20px 15px;
    }
    .page-download__note-item,
    .page-download__feature-description,
    .page-download__highlight-description {
        font-size: 0.95rem;
    }
}