/* style/download.css */

/* Biến CSS */
:root {
    --primary-color: #007bff; /* Deep blue */
    --secondary-color: #ffc107; /* Gold */
    --text-color-light: #ffffff;
    --text-color-dark: #333333;
    --bg-dark: #121212;
    --bg-card-dark: rgba(255, 255, 255, 0.08);
    --border-color-dark: rgba(255, 255, 255, 0.15);
}

/* Reset và Styles chung cho trang download */
.page-download {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color-light); /* Body background is dark, so text is light */
    background-color: var(--bg-dark);
    padding-bottom: 50px;
}

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

/* Padding top cho nội dung chính để tránh bị header cố định che */
.page-download__hero-section {
    padding-top: 120px; /* Desktop: Adjust based on fixed header height */
    padding-bottom: 60px;
    text-align: center;
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.2) 0%, rgba(0, 123, 255, 0) 70%);
}

.page-download__main-title {
    font-size: 3.2em;
    color: var(--secondary-color);
    margin-bottom: 20px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    font-weight: 700;
}

.page-download__hero-description,
.page-download__small-text {
    font-size: 1.15em;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-download__app-showcase {
    margin: 40px auto;
    max-width: 600px;
}

.page-download__app-mockup {
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    display: block;
    margin: 0 auto;
}

.page-download__download-options {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    margin-top: 40px;
}

.page-download__qr-code-wrapper {
    text-align: center;
    background: var(--bg-card-dark);
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color-dark);
}

.page-download__qr-code {
    width: 250px;
    height: 250px;
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto 15px;
    border: 5px solid #fff;
    border-radius: 5px;
}

.page-download__qr-text {
    font-size: 1.2em;
    font-weight: 600;
    color: var(--secondary-color);
    margin: 0;
}

.page-download__cta-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
    max-width: 600px;
}

.page-download__cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: bold;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    min-width: 200px;
    max-width: 100%; /* Ensure responsiveness */
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-download__cta-button--android {
    background: var(--primary-color);
    color: var(--text-color-light);
    border: 2px solid var(--primary-color);
}

.page-download__cta-button--android:hover {
    background: darken(var(--primary-color), 10%);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-download__cta-button--ios {
    background: var(--text-color-light);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.page-download__cta-button--ios:hover {
    background: #f0f0f0;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* Sections chung */
.page-download__benefits-section,
.page-download__installation-section,
.page-download__games-preview-section,
.page-download__faq-section,
.page-download__cta-final-section {
    padding: 60px 0;
    background-color: var(--bg-dark);
}

.page-download__section-title {
    font-size: 2.5em;
    color: var(--secondary-color);
    text-align: center;
    margin-bottom: 25px;
    font-weight: 700;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

.page-download__section-description {
    font-size: 1.1em;
    color: rgba(255, 255, 255, 0.85);
    text-align: center;
    max-width: 900px;
    margin: 0 auto 50px;
}

/* Benefits Section */
.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: var(--bg-card-dark);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color-dark);
}

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

.page-download__benefit-icon {
    width: 150px;
    height: 150px;
    max-width: 100%;
    height: auto;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 8px rgba(255, 193, 7, 0.5));
}

.page-download__benefit-title {
    font-size: 1.5em;
    color: var(--secondary-color);
    margin-bottom: 15px;
    font-weight: 600;
}

.page-download__benefit-text {
    font-size: 1em;
    color: rgba(255, 255, 255, 0.8);
}

/* Installation Section */
.page-download__installation-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-download__step-card {
    background: var(--bg-card-dark);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color-dark);
}

.page-download__step-image {
    width: 250px;
    height: 250px;
    max-width: 100%;
    height: auto;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.page-download__step-title {
    font-size: 1.6em;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 600;
}

.page-download__step-text,
.page-download__step-list {
    font-size: 1em;
    color: rgba(255, 255, 255, 0.8);
    text-align: left;
    padding-left: 20px;
}

.page-download__step-list li {
    margin-bottom: 8px;
}

.page-download__troubleshooting-text {
    font-size: 1em;
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
    margin-top: 40px;
}

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

.page-download__game-card {
    background: var(--bg-card-dark);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color-dark);
}

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

.page-download__game-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.page-download__game-card h3 {
    font-size: 1.4em;
    color: var(--secondary-color);
    padding: 15px 20px 0;
    margin: 0;
}

.page-download__game-card p {
    font-size: 0.95em;
    color: rgba(255, 255, 255, 0.8);
    padding: 10px 20px 20px;
}

/* FAQ Section */
.page-download__faq-section {
    background-color: #1a1a1a; /* Slightly different background for visual separation */
}

.page-download__faq-list {
    max-width: 900px;
    margin: 40px auto 0;
}

/* FAQ item styles */
.page-download__faq-item {
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color-dark);
    background: var(--bg-card-dark);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* FAQ question style */
.page-download__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    background: rgba(0, 123, 255, 0.1);
    cursor: pointer;
    user-select: none;
    transition: background-color 0.3s ease, border-color 0.3s ease;
    position: relative;
}

.page-download__faq-question:hover {
    background: rgba(0, 123, 255, 0.2);
}

.page-download__faq-question h3 {
    margin: 0;
    padding: 0;
    flex: 1;
    font-size: 1.15em;
    font-weight: 600;
    line-height: 1.5;
    color: var(--text-color-light);
    pointer-events: none; /* Prevent h3 from blocking click event */
}

/* Toggle icon style */
.page-download__faq-toggle {
    font-size: 28px;
    font-weight: bold;
    line-height: 1;
    color: var(--secondary-color);
    transition: transform 0.3s ease, color 0.3s ease;
    flex-shrink: 0;
    margin-left: 20px;
    pointer-events: none; /* Prevent icon from blocking click event */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
}

.page-download__faq-item.active .page-download__faq-toggle {
    transform: rotate(45deg); /* Rotate for 'x' effect */
    color: var(--primary-color);
}

/* FAQ answer style */
.page-download__faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
    padding: 0 25px;
    opacity: 0;
    background: var(--bg-card-dark);
    color: rgba(255, 255, 255, 0.8);
    font-size: 1em;
}

.page-download__faq-item.active .page-download__faq-answer {
    max-height: 2000px !important; /* Sufficiently large to contain any content */
    padding: 20px 25px !important;
    opacity: 1;
}

/* Final CTA Section */
.page-download__cta-final-section {
    text-align: center;
    background: linear-gradient(45deg, rgba(0, 123, 255, 0.3) 0%, rgba(255, 193, 7, 0.3) 100%);
    padding: 80px 0;
}

.page-download__cta-final-section .page-download__section-title {
    color: var(--text-color-light);
}

.page-download__cta-final-section .page-download__section-description {
    color: rgba(255, 255, 255, 0.95);
}

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

.page-download__cta-button--primary {
    background: var(--secondary-color);
    color: var(--text-color-dark);
    border: 2px solid var(--secondary-color);
}

.page-download__cta-button--primary:hover {
    background: darken(var(--secondary-color), 10%);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-download__cta-button--secondary {
    background: transparent;
    color: var(--text-color-light);
    border: 2px solid var(--text-color-light);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    .page-download__main-title {
        font-size: 2.8em;
    }
    .page-download__section-title {
        font-size: 2.2em;
    }
    .page-download__hero-description,
    .page-download__section-description {
        font-size: 1.05em;
    }
}

@media (max-width: 768px) {
    .page-download__hero-section {
        padding-top: 100px !important; /* Mobile: Adjust based on fixed header height */
        padding-bottom: 40px;
        padding-left: 15px;
        padding-right: 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    .page-download__container {
        padding: 0 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    .page-download__main-title {
        font-size: 2.2em;
    }

    .page-download__hero-description,
    .page-download__small-text {
        font-size: 1em;
        margin-bottom: 20px;
    }

    .page-download__app-showcase {
        margin: 30px auto;
    }

    .page-download__download-options {
        flex-direction: column;
        gap: 20px;
        margin-top: 30px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    .page-download__qr-code-wrapper {
        padding: 20px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    .page-download__qr-code {
        width: 200px;
        height: 200px;
        max-width: 100% !important;
        height: auto !important;
        margin-bottom: 10px;
    }

    .page-download__qr-text {
        font-size: 1.1em;
    }

    .page-download__cta-buttons {
        flex-direction: column;
        gap: 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 15px;
    }

    .page-download__cta-button {
        width: 100% !important;
        max-width: 100% !important;
        padding: 12px 20px;
        font-size: 1em;
        white-space: normal !important;
        word-wrap: break-word !important;
        box-sizing: border-box !important;
    }

    .page-download__benefits-section,
    .page-download__installation-section,
    .page-download__games-preview-section,
    .page-download__faq-section,
    .page-download__cta-final-section {
        padding: 40px 0;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    .page-download__section-title {
        font-size: 1.8em;
        margin-bottom: 20px;
    }

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

    .page-download__benefits-grid,
    .page-download__installation-steps,
    .page-download__games-grid {
        gap: 20px;
        margin-top: 30px;
        grid-template-columns: 1fr;
    }

    .page-download__benefit-card,
    .page-download__step-card,
    .page-download__game-card {
        padding: 20px;
    }

    .page-download__benefit-icon,
    .page-download__step-image {
        width: 120px;
        height: 120px;
        margin-bottom: 15px;
    }

    .page-download__benefit-title {
        font-size: 1.3em;
    }

    .page-download__step-title {
        font-size: 1.4em;
    }

    .page-download__game-image {
        height: 180px;
    }

    .page-download__faq-list {
        margin-top: 30px;
    }

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

    .page-download__faq-question h3 {
        font-size: 1em;
    }

    .page-download__faq-toggle {
        font-size: 24px;
        width: 28px;
        height: 28px;
        margin-left: 15px;
    }

    .page-download__faq-answer {
        padding: 15px 20px !important;
        font-size: 0.95em;
    }
    
    .page-download img,
    .page-download video {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
        box-sizing: border-box !important;
    }
    
    .page-download__app-mockup,
    .page-download__qr-code,
    .page-download__benefit-icon,
    .page-download__step-image,
    .page-download__game-image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
    }

    .page-download__cta-final-section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .page-download__main-title {
        font-size: 1.8em;
    }
    .page-download__section-title {
        font-size: 1.6em;
    }
    .page-download__qr-code {
        width: 180px;
        height: 180px;
    }
    .page-download__cta-button {
        min-width: unset;
    }
}