/* style/download-center-pc-client.css */

/* Biến CSS */
:root {
    --page-download-center-pc-client-primary-color: #007bff;
    --page-download-center-pc-client-secondary-color: #28a745;
    --page-download-center-pc-client-dark-text: #212529;
    --page-download-center-pc-client-light-text: #f8f9fa;
    --page-download-center-pc-client-grey-text: #6c757d;
    --page-download-center-pc-client-background-light: #f4f7f6;
    --page-download-center-pc-client-background-dark: #343a40;
    --page-download-center-pc-client-border-color: #dee2e6;
}

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

.page-download-center-pc-client__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.page-download-center-pc-client__hero-section {
    background: linear-gradient(135deg, var(--page-download-center-pc-client-primary-color) 0%, #0056b3 100%); /* Adjusted for better contrast */
    color: var(--page-download-center-pc-client-light-text);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-download-center-pc-client__hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: page-download-center-pc-client-pulse 10s infinite alternate;
}

@keyframes page-download-center-pc-client-pulse {
    0% { transform: scale(0.8); opacity: 0.5; }
    100% { transform: scale(1.2); opacity: 0.8; }
}

.page-download-center-pc-client__main-title {
    font-size: 3.5em;
    margin-bottom: 20px;
    font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    color: var(--page-download-center-pc-client-light-text);
}

.page-download-center-pc-client__subtitle {
    font-size: 1.5em;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: var(--page-download-center-pc-client-light-text);
}

.page-download-center-pc-client__small-text {
    font-size: 0.9em;
    opacity: 0.8;
    margin-top: 20px;
    color: var(--page-download-center-pc-client-light-text);
}

.page-download-center-pc-client__cta-button {
    display: inline-block;
    padding: 15px 30px;
    font-size: 1.1em;
    font-weight: bold;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    margin: 10px;
    cursor: pointer;
    border: none;
}

.page-download-center-pc-client__cta-button--primary {
    background-color: var(--page-download-center-pc-client-secondary-color);
    color: var(--page-download-center-pc-client-light-text);
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.4);
}

.page-download-center-pc-client__cta-button--primary:hover {
    background-color: #218838; /* Darker green for hover */
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(40, 167, 69, 0.6);
}

.page-download-center-pc-client__cta-button--secondary {
    background-color: var(--page-download-center-pc-client-primary-color);
    color: var(--page-download-center-pc-client-light-text);
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.4);
}

.page-download-center-pc-client__cta-button--secondary:hover {
    background-color: #0056b3; /* Darker blue for hover */
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.6);
}

.page-download-center-pc-client__section {
    padding: 60px 0;
    background-color: var(--page-download-center-pc-client-background-light);
}

.page-download-center-pc-client__section:nth-of-type(even) {
    background-color: #e9ecef; /* Slightly darker background for alternating sections */
}

.page-download-center-pc-client__section-title {
    font-size: 2.5em;
    color: var(--page-download-center-pc-client-primary-color);
    text-align: center;
    margin-bottom: 25px;
    font-weight: bold;
}

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

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

.page-download-center-pc-client__feature-item {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-download-center-pc-client__feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.page-download-center-pc-client__feature-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.page-download-center-pc-client__feature-title {
    font-size: 1.6em;
    color: var(--page-download-center-pc-client-primary-color);
    margin-bottom: 15px;
    font-weight: 600;
}

.page-download-center-pc-client__feature-text {
    font-size: 1em;
    color: var(--page-download-center-pc-client-grey-text);
}

.page-download-center-pc-client__how-to-download .page-download-center-pc-client__step-list {
    list-style: none;
    padding: 0;
    margin-top: 40px;
}

.page-download-center-pc-client__step-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 40px;
    background-color: #ffffff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.06);
}

.page-download-center-pc-client__step-number {
    background-color: var(--page-download-center-pc-client-secondary-color);
    color: var(--page-download-center-pc-client-light-text);
    border-radius: 50%;
    width: 45px;
    height: 45px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.8em;
    font-weight: bold;
    flex-shrink: 0;
    margin-right: 25px;
    box-shadow: 0 2px 10px rgba(40, 167, 69, 0.3);
}

.page-download-center-pc-client__step-content {
    flex-grow: 1;
}

.page-download-center-pc-client__step-title {
    font-size: 1.8em;
    color: var(--page-download-center-pc-client-primary-color);
    margin-bottom: 10px;
    font-weight: 600;
}

.page-download-center-pc-client__step-text {
    font-size: 1em;
    color: var(--page-download-center-pc-client-dark-text);
    margin-bottom: 15px;
}

.page-download-center-pc-client__inline-link {
    color: var(--page-download-center-pc-client-primary-color);
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

.page-download-center-pc-client__inline-link:hover {
    color: #0056b3;
    text-decoration: underline;
}

.page-download-center-pc-client__step-image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin-top: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.page-download-center-pc-client__key-features .page-download-center-pc-client__feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-download-center-pc-client__feature-card {
    background-color: var(--page-download-center-pc-client-background-dark);
    color: var(--page-download-center-pc-client-light-text);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.page-download-center-pc-client__feature-card:hover {
    transform: translateY(-10px);
    background-color: #495057; /* Slightly lighter dark background for hover */
}

.page-download-center-pc-client__card-icon {
    width: 70px;
    height: 70px;
    margin-bottom: 20px;
    filter: drop-shadow(0 3px 6px rgba(0, 0, 0, 0.2));
}

.page-download-center-pc-client__card-title {
    font-size: 1.5em;
    color: var(--page-download-center-pc-client-secondary-color);
    margin-bottom: 10px;
    font-weight: 600;
}

.page-download-center-pc-client__card-text {
    font-size: 0.95em;
    color: #ced4da; /* Lighter grey for text on dark background */
}

.page-download-center-pc-client__system-requirements .page-download-center-pc-client__requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.page-download-center-pc-client__requirement-item {
    background-color: #ffffff;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    border-left: 5px solid var(--page-download-center-pc-client-primary-color);
}

.page-download-center-pc-client__requirement-title {
    font-size: 1.4em;
    color: var(--page-download-center-pc-client-primary-color);
    margin-bottom: 10px;
    font-weight: 600;
}

.page-download-center-pc-client__requirement-text {
    font-size: 1em;
    color: var(--page-download-center-pc-client-dark-text);
}

.page-download-center-pc-client__note-text {
    text-align: center;
    margin-top: 30px;
    font-style: italic;
    color: var(--page-download-center-pc-client-grey-text);
}

.page-download-center-pc-client__faq .page-download-center-pc-client__faq-accordion {
    margin-top: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.page-download-center-pc-client__accordion-item {
    background-color: #ffffff;
    border: 1px solid var(--page-download-center-pc-client-border-color);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
}

.page-download-center-pc-client__accordion-header {
    width: 100%;
    background-color: var(--page-download-center-pc-client-primary-color);
    color: var(--page-download-center-pc-client-light-text);
    padding: 18px 25px;
    font-size: 1.2em;
    font-weight: bold;
    text-align: left;
    border: none;
    cursor: pointer;
    outline: none;
    transition: background-color 0.3s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-download-center-pc-client__accordion-header:hover {
    background-color: #0056b3;
}

.page-download-center-pc-client__accordion-header::after {
    content: '+';
    font-size: 1.5em;
    transition: transform 0.3s ease;
}

.page-download-center-pc-client__accordion-header.active::after {
    content: '-';
    transform: rotate(180deg);
}

.page-download-center-pc-client__accordion-content {
    padding: 0 25px;
    background-color: #f8f9fa;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out, padding 0.4s ease-out;
}

.page-download-center-pc-client__accordion-content p {
    margin: 15px 0;
    color: var(--page-download-center-pc-client-dark-text);
}

.page-download-center-pc-client__cta-bottom {
    text-align: center;
    padding: 80px 0;
    background: linear-gradient(45deg, var(--page-download-center-pc-client-primary-color), var(--page-download-center-pc-client-secondary-color));
    color: var(--page-download-center-pc-client-light-text);
    box-shadow: inset 0 5px 20px rgba(0, 0, 0, 0.2);
}

.page-download-center-pc-client__cta-bottom .page-download-center-pc-client__section-title,
.page-download-center-pc-client__cta-bottom .page-download-center-pc-client__section-description {
    color: var(--page-download-center-pc-client-light-text);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

/* Responsive Design */
@media (max-width: 992px) {
    .page-download-center-pc-client__main-title {
        font-size: 2.8em;
    }
    .page-download-center-pc-client__subtitle {
        font-size: 1.3em;
    }
    .page-download-center-pc-client__section-title {
        font-size: 2em;
    }
    .page-download-center-pc-client__feature-grid, .page-download-center-pc-client__feature-list, .page-download-center-pc-client__requirements-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .page-download-center-pc-client__hero-section {
        padding: 80px 0;
    }
    .page-download-center-pc-client__main-title {
        font-size: 2.2em;
    }
    .page-download-center-pc-client__subtitle {
        font-size: 1.1em;
    }
    .page-download-center-pc-client__cta-button {
        padding: 12px 25px;
        font-size: 1em;
    }
    .page-download-center-pc-client__section-title {
        font-size: 1.8em;
    }
    .page-download-center-pc-client__section-description {
        font-size: 1em;
    }
    .page-download-center-pc-client__step-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .page-download-center-pc-client__step-number {
        margin-right: 0;
        margin-bottom: 20px;
    }
}

@media (max-width: 576px) {
    .page-download-center-pc-client__main-title {
        font-size: 1.8em;
    }
    .page-download-center-pc-client__subtitle {
        font-size: 0.95em;
    }
    .page-download-center-pc-client__section-title {
        font-size: 1.5em;
    }
    .page-download-center-pc-client__feature-grid, .page-download-center-pc-client__feature-list, .page-download-center-pc-client__requirements-grid {
        grid-template-columns: 1fr;
    }
    .page-download-center-pc-client__cta-button {
        display: block;
        width: calc(100% - 20px);
        margin: 10px auto;
    }
}