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

.page-download {
    font-family: 'Arial', sans-serif;
    color: var(--text-main); /* Văn bản chính trên nền tối */
    background-color: var(--bg-dark); /* Nền chính của trang */
    line-height: 1.6;
    font-size: 1rem;
}

.page-download__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 60px 20px;
    padding-top: 10px; /* Nhỏ hơn so với body padding-top */
    text-align: center;
    overflow: hidden; /* Ensure no overflow */
}

.page-download__hero-image-wrapper {
    width: 100%;
    max-width: 100%; /* Ensure it takes full width */
    margin-bottom: 30px; /* Space between image and content */
}

.page-download__hero-image {
    width: 100%;
    height: auto;
    max-width: 1200px; /* Limit image size for desktop */
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-download__hero-content {
    max-width: 800px;
    margin: 0 auto;
    z-index: 1; /* Ensure content is above any potential background elements */
}

.page-download__main-title {
    font-size: clamp(2.2rem, 4vw, 3.5rem); /* Responsive font size */
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-main);
    margin-bottom: 20px;
    letter-spacing: -0.03em;
}

.page-download__description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.page-download__cta-buttons {
    display: flex;
    flex-wrap: wrap; /* Allow wrapping on smaller screens */
    justify-content: center;
    gap: 20px;
    width: 100%; /* Ensure container takes full width for responsive layout */
    max-width: 600px; /* Limit button group width */
    margin: 0 auto;
    box-sizing: border-box;
}

.page-download__btn-primary,
.page-download__btn-secondary,
.page-download__download-btn,
.page-download__btn-large {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 30px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1rem;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    box-sizing: border-box; /* Crucial for max-width */
    max-width: 100%; /* Ensure buttons don't overflow */
    white-space: normal; /* Allow text wrapping */
    word-wrap: break-word; /* Allow text wrapping */
}

.page-download__btn-primary,
.page-download__download-btn,
.page-download__btn-large {
    background: var(--button-gradient);
    color: var(--text-main);
    border: 2px solid transparent;
}

.page-download__btn-primary:hover,
.page-download__download-btn:hover,
.page-download__btn-large:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    opacity: 0.9;
}

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

.page-download__btn-secondary:hover {
    transform: translateY(-3px);
    background-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-download__section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 700;
    color: var(--text-main);
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 15px;
}

.page-download__section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--button-gradient);
    border-radius: 2px;
}

.page-download__section-description {
    font-size: 1.05rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 900px;
    margin: 0 auto 50px auto;
}

.page-download__why-download-section,
.page-download__featured-games-section,
.page-download__faq-section,
.page-download__cta-final-section {
    padding: 80px 20px;
    max-width: 1200px;
    margin: 0 auto;
    box-sizing: border-box;
}

.page-download__how-to-download-section,
.page-download__security-section {
    padding: 80px 20px;
    background-color: var(--card-bg); /* Darker background for these sections */
    color: var(--text-main);
    width: 100%;
    box-sizing: border-box;
    text-align: center;
}

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

.page-download__feature-card,
.page-download__game-card {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
}

.page-download__feature-card:hover,
.page-download__game-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.page-download__feature-icon,
.page-download__game-image {
    width: 100%;
    height: auto;
    max-width: 400px; /* Limit image size within card */
    border-radius: 8px;
    margin-bottom: 20px;
    display: block;
}

.page-download__feature-title,
.page-download__game-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 15px;
}

.page-download__game-title a {
    color: var(--text-main);
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-download__game-title a:hover {
    color: var(--secondary-color);
}

.page-download__feature-text,
.page-download__game-text {
    font-size: 1rem;
    color: var(--text-secondary);
    flex-grow: 1; /* Allow text to take available space */
}

.page-download__download-steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
    margin-top: 50px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.page-download__platform-card {
    background-color: var(--bg-dark); /* Slightly darker than section bg */
    border-radius: 12px;
    padding: 35px;
    text-align: center;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 450px;
    box-sizing: border-box;
}

.page-download__platform-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 25px;
}

.page-download__download-icon {
    width: 100%;
    height: auto;
    max-width: 250px;
    margin-bottom: 30px;
    border-radius: 8px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

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

.page-download__steps-list li {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    padding-left: 25px;
    position: relative;
}

.page-download__steps-list li::before {
    content: counter(step-counter);
    counter-increment: step-counter;
    position: absolute;
    left: 0;
    top: 0;
    background: var(--primary-color);
    color: var(--text-main);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
}

.page-download__system-requirements {
    max-width: 800px;
    margin: 60px auto 0 auto;
    background-color: var(--bg-dark);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    text-align: left;
}

.page-download__section-subtitle {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 20px;
    text-align: center;
}

.page-download__requirements-list {
    list-style: none;
    padding: 0;
}

.page-download__requirements-list li {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.page-download__requirements-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

.page-download__security-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.page-download__security-item {
    background-color: var(--bg-dark);
    border-radius: 12px;
    padding: 30px;
    text-align: left;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.page-download__security-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 15px;
}

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

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

.page-download__faq-item {
    background-color: var(--card-bg);
    border-radius: 12px;
    margin-bottom: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    color: var(--text-main); /* Ensure text is visible on card background */
}

.page-download__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.15rem;
    font-weight: 600;
    cursor: pointer;
    background-color: var(--deep-green); /* Slightly different background for question */
    border-bottom: 1px solid var(--divider-color);
    transition: background-color 0.3s ease;
    list-style: none; /* For details/summary */
}

.page-download__faq-question::-webkit-details-marker {
    display: none; /* Hide default marker for details/summary */
}
.page-download__faq-question::marker {
    display: none; /* Hide default marker for details/summary */
}

.page-download__faq-question:hover {
    background-color: var(--primary-color);
}

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

.page-download__faq-toggle {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gold-color);
    line-height: 1;
}

.page-download__faq-answer {
    padding: 20px 25px;
    font-size: 1rem;
    color: var(--text-secondary);
    background-color: var(--card-bg); /* Answer background */
}

.page-download__faq-item[open] .page-download__faq-question {
    border-bottom: none; /* No border when open */
}

.page-download__cta-final-section {
    text-align: center;
    padding-top: 60px;
    padding-bottom: 100px;
}

.page-download__btn-large {
    padding: 18px 40px;
    font-size: 1.25rem;
    margin-top: 30px;
}


/* Responsive styles */
@media (max-width: 1024px) {
    .page-download__hero-section {
        padding: 40px 15px;
        padding-top: 10px;
    }
    .page-download__main-title {
        font-size: clamp(2rem, 5vw, 3rem);
    }
    .page-download__description {
        font-size: 1rem;
    }
    .page-download__cta-buttons {
        flex-direction: column;
        gap: 15px;
    }
    .page-download__btn-primary,
    .page-download__btn-secondary,
    .page-download__download-btn,
    .page-download__btn-large {
        width: 100%;
        max-width: 400px; /* Limit max width for buttons on medium screens */
        margin-left: auto;
        margin-right: auto;
    }
    .page-download__why-download-section,
    .page-download__featured-games-section,
    .page-download__faq-section,
    .page-download__cta-final-section,
    .page-download__how-to-download-section,
    .page-download__security-section {
        padding: 60px 15px;
    }
    .page-download__section-title {
        font-size: clamp(1.6rem, 4vw, 2.5rem);
        margin-bottom: 30px;
    }
    .page-download__section-title::after {
        width: 60px;
    }
    .page-download__section-subtitle {
        font-size: 1.4rem;
    }
    .page-download__platform-title {
        font-size: 1.6rem;
    }
    .page-download__feature-title,
    .page-download__game-title,
    .page-download__security-title {
        font-size: 1.25rem;
    }
    .page-download__faq-question {
        font-size: 1rem;
        padding: 15px 20px;
    }
    .page-download__faq-answer {
        padding: 15px 20px;
    }
}

@media (max-width: 768px) {
    .page-download {
        font-size: 0.95rem;
    }
    .page-download__hero-section {
        padding: 30px 15px;
        padding-top: 10px !important; /* body đã xử lý padding-top, đây là khoảng cách bổ sung */
    }
    .page-download__main-title {
        font-size: clamp(1.8rem, 6vw, 2.5rem);
    }
    .page-download__description {
        font-size: 0.9rem;
    }
    .page-download__btn-primary,
    .page-download__btn-secondary,
    .page-download__download-btn,
    .page-download__btn-large {
        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 {
        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; /* Ensure vertical stacking for buttons */
    }

    .page-download__hero-image,
    .page-download__feature-icon,
    .page-download__game-image,
    .page-download__download-icon {
        max-width: 100% !important;
        height: auto !important;
        display: block !important;
    }

    .page-download__why-download-section,
    .page-download__featured-games-section,
    .page-download__faq-section,
    .page-download__cta-final-section,
    .page-download__how-to-download-section,
    .page-download__security-section,
    .page-download__feature-card,
    .page-download__game-card,
    .page-download__platform-card,
    .page-download__security-item,
    .page-download__system-requirements,
    .page-download__faq-item {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow: hidden !important;
    }

    .page-download__hero-section .page-download__hero-image-wrapper {
        padding-left: 0;
        padding-right: 0;
    }

    .page-download__section-title {
        font-size: clamp(1.5rem, 5vw, 2rem);
        margin-bottom: 25px;
    }
    .page-download__section-title::after {
        width: 60px;
    }
    .page-download__section-subtitle {
        font-size: 1.4rem;
    }
    .page-download__platform-title {
        font-size: 1.6rem;
    }
    .page-download__feature-title,
    .page-download__game-title,
    .page-download__security-title {
        font-size: 1.25rem;
    }
    .page-download__faq-question {
        font-size: 1rem;
        padding: 15px 20px;
    }
    .page-download__faq-answer {
        padding: 15px 20px;
    }
}