/* style/download.css */
:root {
    --primary-color: #26A9E0;
    --secondary-color: #FFFFFF;
    --text-dark: #333333;
    --text-light: #ffffff;
    --login-button-color: #EA7C07;
}

.page-download {
    font-family: Arial, sans-serif;
    color: var(--text-dark); /* Default text color for light body background */
    line-height: 1.6;
}

.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: var(--header-offset, 120px); /* Ensure content is below fixed header */
    background: linear-gradient(135deg, var(--primary-color) 0%, #6dd5ed 100%);
    color: var(--text-light);
    overflow: hidden;
}

.page-download__hero-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.page-download__hero-image {
    width: 100%;
    margin-bottom: 30px;
}

.page-download__hero-image img {
    width: 100%;
    height: auto;
    max-width: 100%;
    display: block;
    border-radius: 8px;
    object-fit: cover;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.page-download__hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    width: 100%;
}

.page-download__hero-content h1 {
    font-size: 3.2em;
    margin-bottom: 20px;
    line-height: 1.2;
    color: var(--text-light);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.page-download__hero-content p {
    font-size: 1.2em;
    max-width: 800px;
    margin: 0 auto 30px auto;
    color: var(--text-light);
    opacity: 0.9;
}

.page-download__cta-button {
    display: inline-block;
    padding: 18px 45px;
    background: var(--login-button-color); /* Sử dụng màu login cho CTA nổi bật */
    color: var(--text-light);
    text-decoration: none;
    border-radius: 8px;
    font-size: 1.2em;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    border: none;
}

.page-download__cta-button:hover {
    background: #e06c00; /* Màu tối hơn khi hover */
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-download__section {
    padding: 80px 0;
    background-color: var(--secondary-color);
}

.page-download__section:nth-of-type(even) {
    background-color: #f8f8f8;
}

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

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

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

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

.page-download__feature-item {
    background: var(--secondary-color);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-download__feature-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-download__feature-item img {
    width: 100%;
    height: auto;
    max-width: 300px;
    margin: 0 auto 20px auto;
    border-radius: 8px;
    display: block;
}

.page-download__feature-item h3 {
    font-size: 1.5em;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.page-download__feature-item p {
    font-size: 1em;
    color: var(--text-dark);
}

.page-download__how-to-download .page-download__download-steps {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    justify-content: center;
}

.page-download__step-block {
    flex: 1;
    min-width: 400px;
    background: var(--secondary-color);
    border-radius: 10px;
    padding: 40px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.page-download__step-block img {
    width: 100%;
    height: auto;
    max-width: 400px;
    margin-bottom: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-download__step-block h3 {
    font-size: 1.8em;
    color: var(--primary-color);
    margin-bottom: 25px;
}

.page-download__step-block ol {
    list-style: decimal;
    text-align: left;
    margin: 0 auto 30px auto;
    padding-left: 25px;
    color: var(--text-dark);
    font-size: 1.05em;
}

.page-download__step-block ol li {
    margin-bottom: 10px;
}

.page-download__btn-primary {
    display: inline-block;
    padding: 15px 30px;
    background: var(--primary-color);
    color: var(--text-light);
    text-decoration: none;
    border-radius: 5px;
    font-size: 1.1em;
    font-weight: bold;
    transition: background-color 0.3s ease, transform 0.3s ease;
    border: none;
    cursor: pointer;
}

.page-download__btn-primary:hover {
    background: #1f8ec4;
    transform: translateY(-2px);
}

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

.page-download__list-item {
    background: var(--secondary-color);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.page-download__list-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-download__list-item img {
    width: 100%;
    height: auto;
    max-width: 250px;
    margin: 0 auto 20px auto;
    border-radius: 8px;
    display: block;
}

.page-download__list-item h3 {
    font-size: 1.4em;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.page-download__list-item p {
    font-size: 0.95em;
    color: var(--text-dark);
}

.page-download__security-info .page-download__security-list {
    list-style: none;
    padding: 0;
    margin-top: 40px;
}

.page-download__security-info .page-download__security-list li {
    background: #f0faff;
    border-left: 5px solid var(--primary-color);
    padding: 20px;
    margin-bottom: 15px;
    border-radius: 5px;
    font-size: 1.05em;
    color: var(--text-dark);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.page-download__security-info .page-download__security-list li strong {
    color: var(--primary-color);
}

.page-download__final-cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, #6dd5ed 100%);
    color: var(--text-light);
    text-align: center;
    padding: 100px 20px;
}

.page-download__final-cta-content {
    max-width: 900px;
}

.page-download__final-cta .page-download__section-title {
    color: var(--text-light);
    font-size: 3em;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.page-download__final-cta .page-download__section-description {
    color: var(--text-light);
    opacity: 0.9;
    font-size: 1.2em;
    margin-bottom: 40px;
}

.page-download__cta-button--large {
    padding: 22px 55px;
    font-size: 1.4em;
}

/* FAQ Section Styles */
.page-download__faq-section {
    padding: 80px 0;
    background-color: #f8f8f8;
}

.page-download__faq-item {
    margin-bottom: 15px;
    border-radius: 5px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.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;
    padding: 0 15px;
    opacity: 0;
}

.page-download__faq-item.active .page-download__faq-answer {
    max-height: 2000px !important; /* Ensure enough height for content */
    padding: 20px 15px !important;
    opacity: 1;
    background: #f0faff;
    border-radius: 0 0 5px 5px;
    border-top: 1px solid #e0e0e0;
}

.page-download__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 20px;
    background: var(--secondary-color);
    border: 1px solid #e0e0e0;
    border-radius: 5px;
    cursor: pointer;
    user-select: none;
    transition: background-color 0.3s ease, border-color 0.3s ease;
    position: relative;
}

.page-download__faq-question:hover {
    background: #f5f5f5;
    border-color: #d0d0d0;
}

.page-download__faq-question:active {
    background: #eeeeee;
}

.page-download__faq-question h3 {
    margin: 0;
    padding: 0;
    flex: 1;
    font-size: 1.1em;
    font-weight: 600;
    line-height: 1.5;
    color: var(--primary-color);
    pointer-events: none;
}

.page-download__faq-toggle {
    font-size: 24px;
    font-weight: bold;
    line-height: 1;
    color: #666;
    transition: transform 0.3s ease, color 0.3s ease;
    flex-shrink: 0;
    margin-left: 15px;
    pointer-events: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
}

.page-download__faq-item.active .page-download__faq-toggle {
    color: var(--primary-color);
    transform: rotate(45deg); /* Change to X for active state */
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-download__hero-content h1 {
        font-size: 2.8em;
    }
    .page-download__section-title {
        font-size: 2.2em;
    }
    .page-download__how-to-download .page-download__download-steps {
        flex-wrap: wrap;
    }
    .page-download__step-block {
        min-width: unset;
        width: 100%;
    }
}

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

    .page-download__hero-section {
        padding-top: var(--header-offset, 120px) !important;
        padding-bottom: 40px;
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .page-download__hero-content h1 {
        font-size: 2.2em;
        margin-bottom: 15px;
    }
    .page-download__hero-content p {
        font-size: 1em;
        margin-bottom: 25px;
    }
    .page-download__cta-button {
        padding: 15px 35px;
        font-size: 1em;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }
    .page-download__section {
        padding: 50px 0;
    }
    .page-download__section-title {
        font-size: 1.8em;
        margin-bottom: 15px;
    }
    .page-download__section-description {
        font-size: 1em;
        margin-bottom: 30px;
    }
    .page-download__features-grid,
    .page-download__download-steps,
    .page-download__app-features .page-download__features-list {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .page-download__step-block {
        padding: 30px 20px;
    }
    .page-download__step-block ol {
        padding-left: 20px;
    }
    .page-download__final-cta {
        padding: 60px 20px;
    }
    .page-download__final-cta .page-download__section-title {
        font-size: 2em;
    }
    .page-download__final-cta .page-download__section-description {
        font-size: 1em;
        margin-bottom: 30px;
    }
    .page-download__cta-button--large {
        padding: 18px 40px;
        font-size: 1.2em;
    }

    /* Mobile image adaptation */
    .page-download img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    
    .page-download__section,
    .page-download__card,
    .page-download__container,
    .page-download__hero-container,
    .page-download__download-steps,
    .page-download__features-grid,
    .page-download__features-list,
    .page-download__step-block {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    /* FAQ Mobile */
    .page-download__faq-question {
        padding: 15px;
        flex-wrap: wrap;
    }
    
    .page-download__faq-question h3 {
        font-size: 1em;
        margin-bottom: 0;
        width: calc(100% - 40px);
    }
    
    .page-download__faq-toggle {
        margin-left: 10px;
        width: 24px;
        height: 24px;
        font-size: 20px;
    }
    
    .page-download__faq-answer {
        padding: 0 15px;
    }
    
    .page-download__faq-item.active .page-download__faq-answer {
        padding: 15px !important;
    }
}