/* style/download.css */

/* Biến màu sắc */
:root {
    --color-primary: #11A84E;
    --color-secondary: #22C768;
    --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;
}

.page-download {
    font-family: Arial, sans-serif;
    color: var(--color-text-main);
    background-color: var(--color-background);
    line-height: 1.6;
    padding-top: 10px; /* Small top padding, body handles --header-offset */
}

.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;
    padding: 40px 20px 60px;
    background-color: var(--color-deep-green);
    text-align: center;
    overflow: hidden;
}

.page-download__hero-image-wrapper {
    width: 100%;
    max-width: 1200px;
    margin-bottom: 30px;
    order: 1;
}

.page-download__hero-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
    box-shadow: 0 0 30px rgba(87, 227, 141, 0.4);
}

.page-download__hero-content-wrapper {
    order: 2;
    max-width: 900px;
}

.page-download__main-title {
    font-size: clamp(2em, 4vw, 3.2em); /* Using clamp for H1 */
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.page-download__description {
    font-size: 1.1em;
    color: var(--color-text-secondary);
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

.page-download__cta-button {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: 700;
    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: 2px solid transparent;
    box-shadow: 0 5px 15px rgba(42, 209, 111, 0.4);
}

.page-download__btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(42, 209, 111, 0.6);
}

.page-download__btn-secondary {
    background: transparent;
    color: var(--color-text-main);
    border: 2px solid var(--color-secondary);
    box-shadow: 0 5px 15px rgba(34, 199, 104, 0.2);
}

.page-download__btn-secondary:hover {
    background: var(--color-secondary);
    color: var(--color-background);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(34, 199, 104, 0.4);
}

.page-download__section-title {
    font-size: clamp(1.8em, 3.5vw, 2.5em);
    color: var(--color-gold);
    text-align: center;
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.3;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.2);
}

.page-download__section-description {
    font-size: 1em;
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* Benefits Section */
.page-download__benefits-section {
    padding: 60px 0;
    background-color: var(--color-background);
}

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

.page-download__benefit-card {
    background-color: var(--color-card-bg);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--color-border);
}

.page-download__benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-download__benefit-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 8px var(--color-glow));
}

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

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

/* Instructions Section */
.page-download__instructions-section {
    padding: 60px 0;
    background-color: var(--color-deep-green);
}

.page-download__instruction-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

.page-download__instruction-step {
    background-color: var(--color-card-bg);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--color-border);
}

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

.page-download__step-text {
    font-size: 1em;
    color: var(--color-text-secondary);
    margin-bottom: 20px;
}

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

.page-download__link {
    color: var(--color-secondary);
    text-decoration: underline;
}

.page-download__link:hover {
    color: var(--color-glow);
}

/* Platforms Section */
.page-download__platforms-section {
    padding: 60px 0;
    background-color: var(--color-background);
}

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

.page-download__platform-card {
    background-color: var(--color-card-bg);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--color-border);
}

.page-download__platform-icon {
    width: 100px;
    height: 100px;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 8px var(--color-glow));
}

/* FAQ Section */
.page-download__faq-section {
    padding: 60px 0;
    background-color: var(--color-deep-green);
}

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

.page-download__faq-item {
    background-color: var(--color-card-bg);
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--color-border);
    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;
    font-size: 1.1em;
    font-weight: 600;
    color: var(--color-text-main);
    cursor: pointer;
    background-color: var(--color-card-bg);
    transition: background-color 0.3s ease;
    list-style: none; /* Remove default marker for details summary */
}

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

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

.page-download__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    margin-left: 15px;
    color: var(--color-glow);
}

.page-download__faq-answer {
    padding: 0 20px 20px;
    font-size: 0.95em;
    color: var(--color-text-secondary);
    border-top: 1px solid var(--color-divider);
}

/* Final CTA Section */
.page-download__cta-final {
    padding: 60px 0;
    background-color: var(--color-background);
    text-align: center;
}

.page-download__cta-final .page-download__description {
    margin-bottom: 40px;
}

.page-download__small-text {
    font-size: 0.9em;
    color: var(--color-text-secondary);
    margin-top: 20px;
}

/* Responsive Design */
@media (min-width: 769px) {
    .page-download__instruction-grid {
        grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    }
    .page-download__hero-section {
        flex-direction: row;
        text-align: left;
        padding: 80px 20px;
    }
    .page-download__hero-image-wrapper {
        order: 2;
        margin-left: 50px;
        margin-bottom: 0;
        flex: 1;
    }
    .page-download__hero-content-wrapper {
        order: 1;
        flex: 1;
        max-width: none;
        padding-right: 50px;
    }
    .page-download__cta-buttons {
        justify-content: flex-start;
    }
    .page-download__main-title {
        text-align: left;
    }
    .page-download__description {
        text-align: left;
        margin-left: 0;
        margin-right: 0;
    }
    .page-download__video-container {
      width: 100%; /* Ensure desktop video container has width: 100% */
    }
}

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

    .page-download__container,
    .page-download__hero-section,
    .page-download__benefits-section,
    .page-download__instructions-section,
    .page-download__platforms-section,
    .page-download__faq-section,
    .page-download__cta-final {
        padding-left: 15px !important;
        padding-right: 15px !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        overflow-x: hidden !important;
    }

    .page-download__hero-section {
        padding: 30px 15px 40px !important;
    }

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

    .page-download__hero-image,
    .page-download__benefit-icon,
    .page-download__step-image,
    .page-download__platform-icon,
    .page-download img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }

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

    .page-download__cta-button {
        width: 100% !important;
        padding: 12px 20px !important;
        font-size: 1em !important;
    }

    .page-download__main-title {
        font-size: 2em; /* Adjust for mobile legibility */
        margin-bottom: 15px;
    }

    .page-download__section-title {
        font-size: 1.8em;
        margin-bottom: 15px;
    }

    .page-download__description,
    .page-download__section-description,
    .page-download__card-text,
    .page-download__step-text,
    .page-download__small-text {
        font-size: 0.95em;
    }

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

    .page-download__benefit-card,
    .page-download__instruction-step,
    .page-download__platform-card {
        padding: 20px;
    }

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

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