/* style/download.css */
/* Các biến màu */
:root {
    --color-primary: #11A84E; /* Main color */
    --color-secondary: #22C768; /* Auxiliary color */
    --color-card-bg: #11271B; /* Card Background */
    --color-background: #08160F; /* General Background */
    --color-text-main: #F2FFF6; /* Main text color */
    --color-text-secondary: #A7D9B8; /* Secondary text color */
    --color-border: #2E7A4E; /* Border color */
    --color-glow: #57E38D; /* Glow effect */
    --color-gold: #F2C14E; /* Gold accent */
    --color-divider: #1E3A2A; /* Divider color */
    --color-deep-green: #0A4B2C; /* Deep Green */
    --gradient-button: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
}

.page-download {
    font-family: 'Arial', sans-serif;
    background-color: var(--color-background); /* Default for elements within .page-download */
    color: var(--color-text-main); /* Default text color for main content, assuming dark background */
    line-height: 1.6;
    padding-bottom: 40px;
}

.page-download h1,
.page-download h2,
.page-download h3,
.page-download h4 {
    color: var(--color-text-main);
    margin-bottom: 20px;
    font-weight: bold;
}

.page-download h1 {
    font-size: clamp(2em, 5vw, 3em); /* Responsive H1, not too large */
    text-align: center;
}

.page-download h2 {
    font-size: clamp(1.8em, 4vw, 2.5em);
    text-align: center;
    margin-top: 40px;
    margin-bottom: 30px;
    position: relative;
    padding-bottom: 10px;
}

.page-download h2::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--color-gold);
    border-radius: 2px;
}

.page-download h3 {
    font-size: clamp(1.4em, 3vw, 2em);
    margin-top: 30px;
    margin-bottom: 15px;
}

.page-download p {
    margin-bottom: 15px;
    color: var(--color-text-secondary); /* Assuming text needs to be lighter on dark background */
}

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

/* Hero Section */
.page-download__hero-section {
    position: relative;
    display: flex;
    flex-direction: column; /* Image on top, content below */
    align-items: center;
    justify-content: center;
    padding: 10px 0 60px 0; /* Small top padding, larger bottom */
    background-color: var(--color-deep-green); /* Example background */
    overflow: hidden;
}

.page-download__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    margin-bottom: 30px; /* Space between image and content */
    min-width: 200px;
    min-height: 200px;
}

.page-download__hero-content {
    text-align: center;
    max-width: 900px;
    padding: 0 20px;
    z-index: 1;
}

.page-download__hero-title {
    color: var(--color-gold);
    margin-bottom: 20px;
    text-shadow: 0 0 10px rgba(0,255,0,0.5);
}

.page-download__hero-description {
    font-size: 1.2em;
    color: var(--color-text-main);
    margin-bottom: 30px;
}

/* CTA Buttons */
.page-download__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.page-download__cta-buttons--center {
    justify-content: center;
}

.page-download__btn-primary,
.page-download__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: all 0.3s ease;
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
    text-align: center;
    min-width: 200px;
}

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

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

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

.page-download__btn-secondary:hover {
    background-color: var(--color-secondary);
    color: var(--color-background); /* Darker background for text */
    transform: translateY(-3px);
}

/* Section Styling */
.page-download__introduction-section,
.page-download__why-download-section,
.page-download__download-guide-section,
.page-download__benefits-section,
.page-download__features-section,
.page-download__faq-section,
.page-download__conclusion-section {
    padding: 60px 0;
    margin-bottom: 20px;
    background-color: var(--color-background); /* Default background for sections */
}

.page-download__introduction-section {
    background-color: var(--color-card-bg);
}

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

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

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

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

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

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

.page-download__feature-card {
    background-color: var(--color-card-bg);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--color-divider);
    min-height: 400px; /* Ensure cards have enough height */
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
}

.page-download__feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.page-download__feature-image {
    width: 100%;
    max-width: 300px;
    height: auto;
    border-radius: 8px;
    margin-bottom: 20px;
    object-fit: cover;
    min-width: 200px;
    min-height: 200px;
}

.page-download__card-title {
    color: var(--color-gold);
    margin-bottom: 10px;
}

.page-download__card-description {
    color: var(--color-text-secondary);
}

/* Download Guide */
.page-download__download-platform {
    background-color: var(--color-card-bg);
    border-radius: 12px;
    padding: 40px;
    margin-top: 40px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--color-divider);
}

.page-download__platform-title {
    color: var(--color-gold);
    text-align: center;
    margin-bottom: 30px;
}

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

.page-download__step-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
    gap: 15px;
}

.page-download__step-number {
    background: var(--gradient-button);
    color: var(--color-text-main);
    border-radius: 50%;
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
    font-size: 1.1em;
}

.page-download__step-content {
    flex-grow: 1;
}

.page-download__step-heading {
    color: var(--color-text-main);
    margin-top: 0;
    margin-bottom: 5px;
}

.page-download__download-image {
    width: 100%;
    height: auto;
    display: block;
    margin: 30px auto 0 auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    min-width: 200px;
    min-height: 200px;
}

/* Benefits Section */
.page-download__benefit-list {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-download__benefit-item {
    background-color: var(--color-card-bg);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--color-divider);
    transition: transform 0.3s ease;
}

.page-download__benefit-item:hover {
    transform: translateY(-5px);
}

.page-download__benefit-heading {
    color: var(--color-text-main);
    margin-top: 0;
    margin-bottom: 10px;
}

/* Features Section */
.page-download__feature-list-horizontal {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    margin-top: 40px;
}

.page-download__feature-item {
    background-color: var(--color-card-bg);
    border-radius: 12px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--color-divider);
    flex: 1 1 200px; /* Allows items to grow/shrink but maintain min-width */
    max-width: 280px; /* Max width for individual items */
    transition: transform 0.3s ease;
}

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

.page-download__feature-icon {
    width: 200px; /* Min image size for icons */
    height: 200px; /* Min image size for icons */
    object-fit: contain;
    margin-bottom: 15px;
    filter: drop-shadow(0 0 5px var(--color-gold)); /* Adding a subtle glow, not changing color */
    min-width: 200px;
    min-height: 200px;
}

.page-download__feature-name {
    color: var(--color-text-main);
    margin-bottom: 10px;
}

/* FAQ Section */
.page-download__faq-list {
    margin-top: 40px;
}

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

.page-download__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    font-weight: bold;
    color: var(--color-text-main);
    background-color: var(--color-deep-green);
    border-bottom: 1px solid var(--color-divider);
}

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

.page-download__faq-qtext {
    flex-grow: 1;
    font-size: 1.1em;
}

.page-download__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    margin-left: 15px;
    transition: transform 0.3s ease;
}

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

.page-download__faq-answer {
    padding: 20px 25px;
    color: var(--color-text-secondary);
    background-color: var(--color-card-bg);
    font-size: 0.95em;
    border-top: 1px solid var(--color-divider);
}

.page-download__faq-item > summary {
    list-style: none;
}

.page-download__faq-item > summary::-webkit-details-marker {
    display: none;
}

/* Conclusion Section */
.page-download__conclusion-section {
    text-align: center;
    padding-bottom: 80px;
}

.page-download__text-block {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 25px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-download__hero-title {
        font-size: clamp(1.8em, 4.5vw, 2.5em);
    }
    .page-download__section-title {
        font-size: clamp(1.6em, 3.5vw, 2.2em);
    }
    .page-download__feature-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    .page-download__benefit-list {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

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

    .page-download__container {
        padding: 0 15px;
    }

    .page-download__hero-section {
        padding-bottom: 40px;
        padding-top: 10px !important; /* Small top padding for hero */
    }

    .page-download__hero-image {
        margin-bottom: 20px;
    }

    .page-download__hero-title {
        font-size: clamp(1.5em, 6vw, 2em);
    }

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

    .page-download__cta-buttons {
        flex-direction: column;
        gap: 15px;
        width: 100%;
        max-width: 350px; /* Limit button stack width */
        margin-left: auto;
        margin-right: auto;
    }

    .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;
        font-size: 1em;
    }

    .page-download__section-title {
        font-size: clamp(1.4em, 5vw, 2em);
        margin-top: 30px;
        margin-bottom: 20px;
    }

    .page-download__download-platform {
        padding: 30px 20px;
    }

    .page-download__step-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
        margin-bottom: 30px;
    }

    .page-download__step-number {
        margin-bottom: 10px;
    }

    .page-download__feature-grid,
    .page-download__benefit-list {
        grid-template-columns: 1fr;
    }

    .page-download__feature-item {
        max-width: 100%;
        flex: 1 1 100%;
    }

    .page-download img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    
    .page-download__hero-image,
    .page-download__feature-image,
    .page-download__download-image,
    .page-download__feature-icon {
        min-width: 200px !important;
        min-height: 200px !important;
        width: 100% !important;
        height: auto !important;
    }

    .page-download__section,
    .page-download__card,
    .page-download__container,
    .page-download__hero-section,
    .page-download__introduction-section,
    .page-download__why-download-section,
    .page-download__download-guide-section,
    .page-download__benefits-section,
    .page-download__features-section,
    .page-download__faq-section,
    .page-download__conclusion-section,
    .page-download__cta-buttons,
    .page-download__button-group,
    .page-download__btn-container,
    .page-download__video-section,
    .page-download__video-container,
    .page-download__video-wrapper {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow: hidden !important; /* Ensure no horizontal scroll */
    }
    
    .page-download__feature-list-horizontal {
        flex-direction: column;
        align-items: center;
    }
    .page-download__feature-item {
        max-width: 350px; /* Max width for mobile feature items */
    }
}