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

/* body đã có padding-top: var(--header-offset) từ shared.css; trang này không cần thêm */
.page-download {
    font-family: Arial, sans-serif;
    color: var(--color-text-main);
    background-color: var(--color-background);
    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;
    text-align: center;
    padding: 60px 20px;
    padding-top: 10px; /* Nhỏ để tránh đệm kép với body padding-top */
    background-color: var(--color-deep-green);
    overflow: hidden;
}

.page-download__hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin-bottom: 40px;
}

.page-download__hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    color: var(--color-text-main);
    margin-bottom: 20px;
    font-weight: bold;
    line-height: 1.2;
}

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

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

.page-download__btn-primary,
.page-download__btn-secondary {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: bold;
    text-decoration: none;
    transition: all 0.3s ease;
    box-sizing: border-box;
    max-width: 100%;
    white-space: normal;
    word-wrap: break-word;
}

.page-download__btn-primary {
    background: var(--color-button-gradient);
    color: var(--color-text-main);
    border: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-download__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

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

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

.page-download__btn-icon {
    display: inline-block;
    width: 24px;
    height: 24px;
    margin-right: 10px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.page-download__btn-android .page-download__btn-icon {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23F2FFF6"><path d="M7 11v2h10v-2H7zm12-7h-4V2H9v2H5C3.34 4 2 5.34 2 7v10c0 1.66 1.34 3 3 3h14c1.66 0 3-1.34 3-3V7c0-1.66-1.34-3-3-3zm-2 14H7V7h10v11z"/></svg>');
}

.page-download__btn-ios .page-download__btn-icon {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23A7D9B8"><path d="M12 17c.55 0 1-.45 1-1s-.45-1-1-1-1 .45-1 1 .45 1 1 1zm0-4c.55 0 1-.45 1-1s-.45-1-1-1-1 .45-1 1 .45 1 1 1zm0-4c.55 0 1-.45 1-1s-.45-1-1-1-1 .45-1 1 .45 1 1 1zm1.5-5.5c-.38 0-.74-.15-1-.44-.26-.29-.4-.68-.4-1.09 0-.97.79-1.76 1.76-1.76.97 0 1.76.79 1.76 1.76 0 .38-.15.74-.44 1-.29.26-.68.4-1.09.4zm-1.5 13c-.55 0-1-.45-1-1s.45-1 1-1 1 .45 1 1-.45 1-1 1zm0 4c-.55 0-1-.45-1-1s.45-1 1-1 1 .45 1 1-.45 1-1 1zm0-8c-.55 0-1-.45-1-1s.45-1 1-1 1 .45 1 1-.45 1-1 1zM8 17c-.55 0-1-.45-1-1s.45-1 1-1 1 .45 1 1-.45 1-1 1zm0-4c-.55 0-1-.45-1-1s.45-1 1-1 1 .45 1 1-.45 1-1 1zm0-4c-.55 0-1-.45-1-1s.45-1 1-1 1 .45 1 1-.45 1-1 1z"/></svg>');
}

.page-download__hero-image {
    width: 100%;
    max-width: 800px;
    height: auto;
    display: block;
    margin: 40px auto 0 auto;
    position: relative;
    z-index: 1;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.page-download__section-title {
    font-size: 2.5rem;
    color: var(--color-text-main);
    text-align: center;
    margin-bottom: 20px;
    font-weight: bold;
}

.page-download__section-description {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    text-align: center;
    max-width: 900px;
    margin: 0 auto 40px auto;
}

.page-download__benefits-section,
.page-download__guide-section,
.page-download__games-section,
.page-download__faq-section,
.page-download__cta-section {
    padding: 80px 0;
}

.page-download__benefits-section {
    background-color: var(--color-background);
}

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

.page-download__benefit-card {
    background-color: var(--color-card-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    text-align: center;
    border: 1px solid var(--color-border);
    transition: transform 0.3s ease;
}

.page-download__benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

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

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

.page-download__benefits-image {
    width: 100%;
    max-width: 600px;
    height: auto;
    display: block;
    margin: 60px auto 0 auto;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--color-border);
}

.page-download__guide-section {
    background-color: var(--color-deep-green);
}

.page-download__guide-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
    margin-bottom: 60px;
}

.page-download__guide-block:nth-child(even) {
    flex-direction: column-reverse; /* Đảo ngược thứ tự ảnh và văn bản cho khối chẵn */
}

.page-download__guide-subtitle {
    font-size: 2rem;
    color: var(--color-gold);
    margin-bottom: 25px;
    font-weight: bold;
    text-align: center;
}

.page-download__guide-steps {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 600px;
    width: 100%;
}

.page-download__step-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.page-download__step-number {
    background-color: var(--color-gold);
    color: var(--color-background);
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.page-download__step-text {
    font-size: 1.05rem;
    color: var(--color-text-main);
}

.page-download__guide-image {
    width: 100%;
    max-width: 700px;
    height: auto;
    display: block;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--color-border);
}

.page-download__games-section {
    background-color: var(--color-background);
}

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

.page-download__game-item {
    background-color: var(--color-card-bg);
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    text-align: center;
    border: 1px solid var(--color-border);
}

.page-download__game-title {
    font-size: 1.3rem;
    color: var(--color-glow);
    margin-bottom: 10px;
    font-weight: bold;
}

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

.page-download__games-image {
    width: 100%;
    max-width: 1000px;
    height: auto;
    display: block;
    margin: 60px auto 40px auto;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--color-border);
}

.page-download__cta-buttons--center {
    text-align: center;
    margin-top: 40px;
}

.page-download__faq-section {
    background-color: var(--color-deep-green);
}

.page-download__faq-list {
    margin-top: 40px;
}

.page-download__faq-item {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.page-download__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.15rem;
    font-weight: bold;
    color: var(--color-text-main);
    cursor: pointer;
    background-color: rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s ease;
}

.page-download__faq-question:hover {
    background-color: rgba(0, 0, 0, 0.2);
}

.page-download__faq-question::-webkit-details-marker, /* Hide default marker for Chrome/Safari */
.page-download__faq-question::marker { /* Hide default marker for Firefox */
    display: none;
}

.page-download__faq-toggle {
    font-size: 1.8rem;
    line-height: 1;
    color: var(--color-gold);
    transition: transform 0.3s ease;
}

.page-download__faq-item[open] .page-download__faq-toggle {
    transform: rotate(45deg);
}

.page-download__faq-answer {
    padding: 0 25px 20px 25px;
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.page-download__cta-section {
    background-color: var(--color-background);
    text-align: center;
}

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

.page-download__btn-large {
    font-size: 1.3rem;
    padding: 18px 40px;
}

/* ==================================================================================================== */
/* Responsive Styles */
/* ==================================================================================================== */

@media (max-width: 1024px) {
    .page-download__section-title {
        font-size: 2.2rem;
    }

    .page-download__hero-title {
        font-size: clamp(2rem, 6vw, 3rem);
    }
}

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

    .page-download__hero-section {
        padding: 40px 15px;
    }

    .page-download__hero-title {
        font-size: clamp(1.8rem, 7vw, 2.5rem);
    }

    .page-download__hero-description {
        font-size: 1rem;
    }

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

    .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;
    }
    
    .page-download__cta-buttons {
        display: flex;
        flex-direction: column;
    }

    .page-download__hero-image,
    .page-download__benefits-image,
    .page-download__guide-image,
    .page-download__games-image,
    .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__hero-section,
    .page-download__benefits-section,
    .page-download__guide-section,
    .page-download__games-section,
    .page-download__faq-section,
    .page-download__cta-section {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    .page-download__video-section {
        padding-top: 10px !important; /* body đã xử lý --header-offset, đây chỉ là đệm nhỏ */
    }

    .page-download__section-title {
        font-size: 1.8rem;
    }

    .page-download__section-description {
        font-size: 0.95rem;
    }

    .page-download__card-title {
        font-size: 1.3rem;
    }

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

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

    .page-download__guide-subtitle {
        font-size: 1.6rem;
    }

    .page-download__guide-block:nth-child(even) {
        flex-direction: column; /* Đảm bảo thứ tự bình thường trên di động */
    }

    .page-download__benefits-grid,
    .page-download__games-grid {
        grid-template-columns: 1fr;
    }
}

/* Đảm bảo độ tương phản màu sắc */
.page-download {
    color: var(--color-text-main); /* #F2FFF6 */
    background-color: var(--color-background); /* #08160F (dark) */
}

.page-download__section-title,
.page-download__hero-title {
    color: var(--color-text-main); /* #F2FFF6 */
}

.page-download__section-description,
.page-download__hero-description,
.page-download__card-text,
.page-download__step-text,
.page-download__game-text,
.page-download__faq-answer p {
    color: var(--color-text-secondary); /* #A7D9B8 */
}

.page-download__benefit-card,
.page-download__game-item,
.page-download__faq-item {
    background-color: var(--color-card-bg); /* #11271B (darker) */
}

.page-download__card-title {
    color: var(--color-gold); /* #F2C14E */
}

.page-download__game-title {
    color: var(--color-glow); /* #57E38D */
}

.page-download__step-number {
    background-color: var(--color-gold); /* #F2C14E */
    color: var(--color-background); /* #08160F (dark text on gold) */
}

.page-download__faq-toggle {
    color: var(--color-gold); /* #F2C14E */
}

.page-download__btn-primary {
    background: var(--color-button-gradient);
    color: var(--color-text-main); /* #F2FFF6 (light text on gradient) */
}

.page-download__btn-secondary {
    color: var(--color-glow); /* #57E38D (light text on transparent/dark) */
    border-color: var(--color-glow); /* #57E38D */
}

.page-download__btn-secondary:hover {
    background-color: var(--color-glow); /* #57E38D */
    color: var(--color-background); /* #08160F (dark text on glow) */
}