/* style/download-center.css */

/* Biến CSS */
:root {
    --page-download-center-primary-color: #007BFF;
    --page-download-center-secondary-color: #FFC107;
    --page-download-center-dark-text: #333;
    --page-download-center-light-text: #f8f9fa;
    --page-download-center-bg-light: #f4f7f6;
    --page-download-center-bg-dark: #2c3e50; /* Một màu nền tối hơn để tăng độ tương phản */
    --page-download-center-card-bg: #ffffff;
    --page-download-center-border-color: #e0e0e0;
}

.page-download-center {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--page-download-center-dark-text);
    background-color: var(--page-download-center-bg-light);
}

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

.page-download-center__section-title {
    font-size: 2.5em;
    color: var(--page-download-center-primary-color);
    text-align: center;
    margin-bottom: 40px;
    font-weight: 700;
}

.page-download-center__text-content {
    text-align: center;
    margin-bottom: 30px;
    font-size: 1.1em;
    color: var(--page-download-center-dark-text);
}

/* Hero Section */
.page-download-center__hero-section {
    background: linear-gradient(135deg, var(--page-download-center-primary-color) 0%, #0056b3 100%); /* Màu xanh đậm hơn */
    color: var(--page-download-center-light-text);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-download-center__hero-title {
    font-size: 3.5em;
    margin-bottom: 20px;
    font-weight: 900;
    line-height: 1.2;
    color: var(--page-download-center-light-text);
}

.page-download-center__hero-description {
    font-size: 1.3em;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: var(--page-download-center-light-text);
}

.page-download-center__hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.page-download-center__btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1em;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.page-download-center__btn--primary {
    background-color: var(--page-download-center-secondary-color);
    color: var(--page-download-center-dark-text); /* Đảm bảo độ tương phản */
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-download-center__btn--primary:hover {
    background-color: #e6b000; /* Màu vàng đậm hơn */
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

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

.page-download-center__btn--secondary:hover {
    background-color: var(--page-download-center-light-text);
    color: var(--page-download-center-primary-color);
    transform: translateY(-2px);
}

.page-download-center__btn--download {
    background-color: var(--page-download-center-primary-color);
    color: var(--page-download-center-light-text);
    padding: 12px 25px;
    font-size: 1em;
}

.page-download-center__btn--download:hover {
    background-color: #0056b3;
}

.page-download-center__btn--link {
    background-color: var(--page-download-center-primary-color);
    color: var(--page-download-center-light-text);
    padding: 10px 20px;
    font-size: 0.95em;
    border-radius: 5px;
}

.page-download-center__btn--link:hover {
    background-color: #0056b3;
}

/* Benefits Section */
.page-download-center__benefits-section {
    padding: 80px 0;
    background-color: var(--page-download-center-bg-light);
}

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

.page-download-center__benefit-item {
    background-color: var(--page-download-center-card-bg);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

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

.page-download-center__benefit-item h3 {
    font-size: 1.5em;
    color: var(--page-download-center-primary-color);
    margin-top: 20px;
    margin-bottom: 15px;
}

.page-download-center__benefit-item p {
    color: var(--page-download-center-dark-text);
}

.page-download-center__benefit-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 15px;
}

/* Platform Section */
.page-download-center__platform-section {
    padding: 80px 0;
    background-color: var(--page-download-center-bg-dark);
    color: var(--page-download-center-light-text);
}

.page-download-center__platform-section .page-download-center__section-title {
    color: var(--page-download-center-secondary-color);
}

.page-download-center__platform-card {
    display: flex;
    align-items: center;
    gap: 40px;
    background-color: #3b5998; /* Màu nền cho card */
    border-radius: 15px;
    margin-bottom: 60px;
    padding: 40px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    flex-wrap: wrap;
}

.page-download-center__platform-card--reverse {
    flex-direction: row-reverse;
    background-color: #3b5998;
}

.page-download-center__card-content {
    flex: 1;
    min-width: 300px;
}

.page-download-center__card-image {
    flex: 1;
    min-width: 250px;
    text-align: center;
}

.page-download-center__card-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-download-center__card-title {
    font-size: 2em;
    color: var(--page-download-center-secondary-color);
    margin-bottom: 20px;
    font-weight: 700;
}

.page-download-center__platform-card p {
    font-size: 1.1em;
    margin-bottom: 25px;
    color: var(--page-download-center-light-text);
}

.page-download-center__download-options {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.page-download-center__qr-code {
    width: 120px;
    height: 120px;
    border: 5px solid var(--page-download-center-light-text);
    border-radius: 5px;
}

.page-download-center__link-detail {
    color: var(--page-download-center-secondary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 1em;
    transition: color 0.3s ease;
}

.page-download-center__link-detail:hover {
    color: #e6b000;
    text-decoration: underline;
}

/* Installation Guide Summary */
.page-download-center__installation-guide-summary {
    padding: 80px 0;
    background-color: var(--page-download-center-bg-light);
    text-align: center;
}

.page-download-center__guide-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-download-center__step-item {
    background-color: var(--page-download-center-card-bg);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: left;
    border-left: 5px solid var(--page-download-center-primary-color);
}

.page-download-center__step-item h4 {
    font-size: 1.3em;
    color: var(--page-download-center-primary-color);
    margin-bottom: 10px;
}

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

/* Detail Pages Section */
.page-download-center__detail-pages {
    padding: 80px 0;
    background-color: var(--page-download-center-bg-light);
    text-align: center;
}

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

.page-download-center__detail-card {
    background-color: var(--page-download-center-card-bg);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: left;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-download-center__detail-card-title {
    font-size: 1.4em;
    margin-bottom: 15px;
}

.page-download-center__detail-card-title a {
    color: var(--page-download-center-primary-color);
    text-decoration: none;
    font-weight: 600;
}

.page-download-center__detail-card-title a:hover {
    text-decoration: underline;
}

.page-download-center__detail-card p {
    font-size: 0.95em;
    color: var(--page-download-center-dark-text);
    margin-bottom: 20px;
    flex-grow: 1;
}

/* FAQ Section */
.page-download-center__faq-section {
    padding: 80px 0;
    background-color: var(--page-download-center-bg-dark);
    color: var(--page-download-center-light-text);
}

.page-download-center__faq-section .page-download-center__section-title {
    color: var(--page-download-center-secondary-color);
}

.page-download-center__faq-item {
    background-color: #3b5998;
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-download-center__faq-question {
    font-size: 1.3em;
    color: var(--page-download-center-secondary-color);
    margin-bottom: 10px;
    cursor: pointer;
    position: relative;
    padding-right: 30px;
}

.page-download-center__faq-answer {
    font-size: 1em;
    color: var(--page-download-center-light-text);
    margin-top: 15px;
    padding-left: 10px;
    border-left: 3px solid var(--page-download-center-secondary-color);
}

.page-download-center__faq-answer a {
    color: var(--page-download-center-secondary-color);
    text-decoration: none;
}

.page-download-center__faq-answer a:hover {
    text-decoration: underline;
}

/* Call to Action Section */
.page-download-center__cta-section {
    padding: 80px 0;
    background-color: var(--page-download-center-primary-color);
    color: var(--page-download-center-light-text);
    text-align: center;
}

.page-download-center__cta-section .page-download-center__section-title {
    color: var(--page-download-center-light-text);
}

.page-download-center__cta-section .page-download-center__text-content {
    color: var(--page-download-center-light-text);
    margin-bottom: 40px;
}

.page-download-center__cta-section .page-download-center__hero-buttons {
    margin-top: 30px;
}

/* Responsive Design */
@media (max-width: 992px) {
    .page-download-center__hero-title {
        font-size: 2.8em;
    }
    .page-download-center__section-title {
        font-size: 2em;
    }
    .page-download-center__platform-card {
        flex-direction: column;
        text-align: center;
    }
    .page-download-center__platform-card--reverse {
        flex-direction: column;
    }
    .page-download-center__card-image {
        order: -1; /* Đặt hình ảnh lên trên trên thiết bị di động */
        margin-bottom: 20px;
    }
    .page-download-center__download-options {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .page-download-center__hero-title {
        font-size: 2.2em;
    }
    .page-download-center__hero-description {
        font-size: 1.1em;
    }
    .page-download-center__hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    .page-download-center__btn {
        width: 80%;
        margin: 0 auto;
    }
    .page-download-center__section-title {
        font-size: 1.8em;
    }
    .page-download-center__benefits-grid, .page-download-center__guide-steps, .page-download-center__detail-list {
        grid-template-columns: 1fr;
    }
    .page-download-center__platform-card, .page-download-center__platform-card--reverse {
        padding: 25px;
    }
    .page-download-center__card-title {
        font-size: 1.7em;
    }
}

@media (max-width: 480px) {
    .page-download-center__hero-title {
        font-size: 1.8em;
    }
    .page-download-center__hero-description {
        font-size: 1em;
    }
    .page-download-center__btn {
        padding: 12px 20px;
        font-size: 1em;
    }
    .page-download-center__section-title {
        font-size: 1.5em;
    }
    .page-download-center__qr-code {
        width: 100px;
        height: 100px;
    }
}