/* style/download.css */

/* Biến CSS */
:root {
    --primary-color: #017439;
    --secondary-color: #FFFFFF;
    --register-color: #C30808;
    --login-color: #C30808;
    --background-color: #FFFFFF;
    --register-login-font-color: #FFFF00;
    --text-dark-bg: #FFFFFF; /* Cho nền tối */
    --text-light-bg: #333333; /* Cho nền sáng */
    --card-bg-dark-mode: rgba(255, 255, 255, 0.1);
}

/* Cài đặt chung cho trang tải xuống */
.page-download {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-light-bg); /* Mặc định cho nền sáng */
    background-color: var(--background-color); /* Mặc định nền trắng */
}

.page-download__dark-bg {
    background-color: var(--primary-color);
    color: var(--text-dark-bg);
}

.page-download__light-bg {
    background-color: var(--secondary-color);
    color: var(--text-light-bg);
}

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

.page-download__section {
    padding: 60px 0;
    text-align: center;
}

.page-download__section-title {
    font-size: 2.8em;
    margin-bottom: 20px;
    color: var(--primary-color);
    font-weight: bold;
}

.page-download__dark-bg .page-download__section-title {
    color: var(--text-dark-bg);
}

.page-download__section-description {
    font-size: 1.1em;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Hero Section */
.page-download__hero-section {
    padding: 100px 0 60px 0;
    padding-top: var(--header-offset, 120px); /* Đảm bảo không bị header che */
    background-color: var(--primary-color);
    color: var(--text-dark-bg);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-download__hero-title {
    font-size: 3.5em;
    margin-bottom: 20px;
    color: var(--text-dark-bg);
    font-weight: bold;
}

.page-download__hero-description {
    font-size: 1.3em;
    margin-bottom: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.page-download__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.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: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-download__btn-primary {
    background-color: var(--register-color); /* Màu đỏ cho nút chính */
    color: var(--register-login-font-color); /* Chữ vàng */
    border: 2px solid var(--register-color);
}

.page-download__btn-primary:hover {
    background-color: darken(var(--register-color), 10%);
    border-color: darken(var(--register-color), 10%);
}

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

.page-download__btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--secondary-color);
}

.page-download__hero-image {
    max-width: 80%;
    height: auto;
    display: block;
    margin: 0 auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Why Download Section */
.page-download__why-download {
    background-color: var(--background-color);
    color: var(--text-light-bg);
}

.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(--secondary-color);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
    color: var(--text-light-bg);
    border: 1px solid #e0e0e0;
}

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

.page-download__feature-icon {
    width: 100px;
    height: auto;
    margin-bottom: 20px;
    max-width: 100%;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

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

.page-download__feature-text {
    font-size: 1em;
    color: #555555;
}

/* How to Download Section */
.page-download__how-to-download {
    background-color: #f5f5f5;
    color: var(--text-light-bg);
}

.page-download__download-steps {
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin-top: 50px;
}

.page-download__step-card {
    display: flex;
    align-items: center;
    text-align: left;
    gap: 30px;
    padding: 20px;
    background-color: var(--secondary-color);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    color: var(--text-light-bg);
}

.page-download__step-card:nth-child(even) {
    flex-direction: row-reverse;
}

.page-download__step-card:nth-child(odd) .page-download__step-image {
    order: 2;
}

.page-download__step-card:nth-child(even) .page-download__step-image {
    order: 1;
}

.page-download__step-card > div {
    flex: 1;
}

.page-download__step-title {
    font-size: 1.8em;
    margin-bottom: 15px;
    color: var(--primary-color);
    font-weight: bold;
}

.page-download__step-text {
    font-size: 1.1em;
    color: #555555;
}

.page-download__step-image {
    max-width: 45%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    flex-shrink: 0;
}

.page-download__cta-section {
    background-color: var(--primary-color);
    color: var(--text-dark-bg);
    padding: 50px 30px;
    border-radius: 10px;
    margin-top: 60px;
    margin-left: auto;
    margin-right: auto;
    max-width: 900px;
}

.page-download__cta-title {
    font-size: 2.2em;
    margin-bottom: 15px;
    color: var(--text-dark-bg);
    font-weight: bold;
}

.page-download__cta-text {
    font-size: 1.2em;
    margin-bottom: 30px;
}

.page-download__btn-large {
    padding: 18px 35px;
    font-size: 1.2em;
}

/* System Requirements Section */
.page-download__system-requirements {
    background-color: var(--background-color);
    color: var(--text-light-bg);
}

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

.page-download__requirement-item {
    background-color: var(--secondary-color);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    text-align: left;
    color: var(--text-light-bg);
    border: 1px solid #e0e0e0;
}

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

.page-download__requirement-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 1.1em;
    color: #555555;
}

.page-download__requirement-list li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 25px;
}

.page-download__requirement-list li::before {
    content: '✅';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.page-download__section-note {
    margin-top: 30px;
    font-style: italic;
    color: #777777;
}

/* App Features Section */
.page-download__app-features {
    background-color: var(--primary-color);
    color: var(--text-dark-bg);
}

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

.page-download__feature-item {
    background-color: var(--card-bg-dark-mode);
    border-radius: 10px;
    padding: 30px;
    text-align: left;
    color: var(--text-dark-bg);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.page-download__feature-sub-title {
    font-size: 1.6em;
    margin-bottom: 15px;
    color: var(--text-dark-bg);
    font-weight: bold;
}

/* FAQ Section */
.page-download__faq-section {
    background-color: #f5f5f5;
    color: var(--text-light-bg);
}

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

.page-download__faq-item {
    background-color: var(--secondary-color);
    border-radius: 10px;
    margin-bottom: 15px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    color: var(--text-light-bg);
    border: 1px solid #e0e0e0;
}

.page-download__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.2em;
    font-weight: bold;
    color: var(--primary-color);
    cursor: pointer;
    background-color: #fcfcfc;
    transition: background-color 0.3s ease;
}

.page-download__faq-question:hover {
    background-color: #f0f0f0;
}

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

.page-download__faq-item[open] .page-download__faq-toggle {
    content: '−';
}

.page-download__faq-answer {
    padding: 0 25px 20px 25px;
    font-size: 1.1em;
    color: #555555;
}

.page-download__faq-answer p {
    margin: 0;
}

/* Ensure summary arrow is hidden for details tag */
.page-download__faq-item summary::-webkit-details-marker {
    display: none;
}
.page-download__faq-item summary {
    list-style: none;
}

/* Final CTA Section */
.page-download__final-cta {
    background-color: var(--primary-color);
    color: var(--text-dark-bg);
}

.page-download__btn-huge {
    padding: 20px 40px;
    font-size: 1.4em;
    border-radius: 10px;
    background-color: var(--register-color);
    color: var(--register-login-font-color);
    border: 2px solid var(--register-color);
}

.page-download__btn-huge:hover {
    background-color: darken(var(--register-color), 10%);
    border-color: darken(var(--register-color), 10%);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-download__hero-title {
        font-size: 3em;
    }
    .page-download__section-title {
        font-size: 2.5em;
    }
    .page-download__hero-image {
        max-width: 90%;
    }
    .page-download__step-card {
        flex-direction: column !important;
        text-align: center;
    }
    .page-download__step-card:nth-child(odd) .page-download__step-image,
    .page-download__step-card:nth-child(even) .page-download__step-image {
        order: initial;
        max-width: 80%;
        margin-top: 20px;
    }
}

@media (max-width: 768px) {
    .page-download__hero-section {
        padding-top: var(--header-offset, 120px) !important;
        padding-bottom: 40px;
    }
    .page-download__hero-title {
        font-size: 2.2em;
    }
    .page-download__hero-description {
        font-size: 1em;
        margin-bottom: 30px;
    }
    .page-download__section {
        padding: 40px 0;
    }
    .page-download__section-title {
        font-size: 2em;
    }
    .page-download__section-description {
        font-size: 0.95em;
    }
    .page-download__cta-buttons {
        flex-direction: column;
        gap: 15px;
    }
    .page-download__btn-primary,
    .page-download__btn-secondary,
    .page-download a[class*="button"],
    .page-download a[class*="btn"] {
        width: 100% !important;
        max-width: 100% !important;
        padding: 12px 20px !important;
        font-size: 1em !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        margin-left: auto;
        margin-right: auto;
    }

    .page-download__container,
    .page-download__cta-section,
    .page-download__feature-grid,
    .page-download__download-steps,
    .page-download__requirements-grid,
    .page-download__features-list,
    .page-download__faq-list {
        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 img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }

    .page-download__feature-icon {
        width: 80px;
    }
    .page-download__step-image {
        max-width: 90%;
    }
    .page-download__cta-title {
        font-size: 1.8em;
    }
    .page-download__cta-text {
        font-size: 1.1em;
    }
    .page-download__btn-huge {
        padding: 15px 30px !important;
        font-size: 1.1em !important;
    }
    .page-download__faq-question {
        font-size: 1em;
        padding: 15px 20px;
    }
    .page-download__faq-answer {
        font-size: 0.95em;
        padding: 0 20px 15px 20px;
    }
}

@media (max-width: 480px) {
    .page-download__hero-title {
        font-size: 1.8em;
    }
    .page-download__section-title {
        font-size: 1.8em;
    }
    .page-download__feature-title,
    .page-download__step-title,
    .page-download__requirement-title,
    .page-download__feature-sub-title {
        font-size: 1.3em;
    }
    .page-download__hero-image {
        max-width: 100%;
    }
}