/* style/support.css */

/* Biến CSS */
:root {
    --page-support-primary-color: #003366;
    --page-support-secondary-color: #FFCC00;
    --page-support-text-light: #ffffff;
    --page-support-text-dark: #333333;
    --page-support-background-light: #f4f7f6;
    --page-support-background-dark: #002244;
    --page-support-border-color: #e0e0e0;
}

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

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

/* Hero Section */
.page-support__hero-section {
    background: linear-gradient(135deg, var(--page-support-primary-color), var(--page-support-background-dark));
    color: var(--page-support-text-light);
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-support__hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(255, 204, 0, 0.1) 0%, rgba(0, 51, 102, 0) 70%);
    animation: page-support-rotate 20s linear infinite;
    z-index: 0;
}

.page-support__hero-section > div {
    position: relative;
    z-index: 1;
}

.page-support__hero-title {
    font-size: 3.2em;
    margin-bottom: 20px;
    color: var(--page-support-secondary-color);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.page-support__hero-description {
    font-size: 1.2em;
    max-width: 800px;
    margin: 0 auto 30px auto;
    opacity: 0.9;
}

/* Buttons */
.page-support__btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1em;
}

.page-support__btn--primary {
    background-color: var(--page-support-secondary-color);
    color: var(--page-support-primary-color);
    box-shadow: 0 4px 10px rgba(255, 204, 0, 0.3);
}

.page-support__btn--primary:hover {
    background-color: #e6b800;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(255, 204, 0, 0.4);
}

.page-support__btn--secondary {
    background-color: var(--page-support-primary-color);
    color: var(--page-support-text-light);
    border: 1px solid var(--page-support-secondary-color);
}

.page-support__btn--secondary:hover {
    background-color: var(--page-support-background-dark);
    border-color: #e6b800;
    transform: translateY(-2px);
}

.page-support__btn--contact {
    background-color: var(--page-support-primary-color);
    color: var(--page-support-text-light);
    border: 1px solid var(--page-support-secondary-color);
    padding: 10px 20px;
    font-size: 0.9em;
}

.page-support__btn--contact:hover {
    background-color: var(--page-support-secondary-color);
    color: var(--page-support-primary-color);
    border-color: var(--page-support-primary-color);
}

/* Section Titles */
.page-support__section-title {
    font-size: 2.5em;
    color: var(--page-support-primary-color);
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.page-support__section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -15px;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--page-support-secondary-color);
    border-radius: 2px;
}

/* FAQ Section */
.page-support__faq-section {
    padding: 60px 0;
    background-color: var(--page-support-background-light);
}

.page-support__faq-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.page-support__faq-item {
    background-color: var(--page-support-text-light);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

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

.page-support__faq-question {
    font-size: 1.3em;
    color: var(--page-support-primary-color);
    margin-bottom: 15px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-support__faq-question::after {
    content: '+';
    font-size: 1.2em;
    margin-left: 10px;
    color: var(--page-support-secondary-color);
    transition: transform 0.3s ease;
}

.page-support__faq-question.active::after {
    content: '-';
    transform: rotate(180deg);
}

.page-support__faq-answer {
    font-size: 1em;
    color: var(--page-support-text-dark);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease-out, padding 0.5s ease-out;
    padding-top: 0;
}

.page-support__faq-answer.open {
    max-height: 200px; /* Adjust as needed */
    padding-top: 15px;
}

/* Guides Section */
.page-support__guides-section {
    padding: 60px 0;
    background-color: var(--page-support-background-dark);
    color: var(--page-support-text-light);
}

.page-support__guides-section .page-support__section-title {
    color: var(--page-support-secondary-color);
}

.page-support__guides-section .page-support__section-title::after {
    background-color: var(--page-support-text-light);
}

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

.page-support__guide-card {
    background-color: rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, background-color 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.page-support__guide-card:hover {
    transform: translateY(-7px);
    background-color: rgba(255, 255, 255, 0.15);
}

.page-support__guide-card-img {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 8px rgba(255, 204, 0, 0.5));
}

.page-support__guide-card-title {
    font-size: 1.5em;
    color: var(--page-support-secondary-color);
    margin-bottom: 10px;
}

.page-support__guide-card-description {
    font-size: 0.95em;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 25px;
    flex-grow: 1;
}

/* Contact Section */
.page-support__contact-section {
    padding: 60px 0;
    background-color: var(--page-support-background-light);
}

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

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

.page-support__contact-method {
    background-color: var(--page-support-text-light);
    border: 1px solid var(--page-support-border-color);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.page-support__contact-method:hover {
    transform: translateY(-5px);
    border-color: var(--page-support-secondary-color);
}

.page-support__method-title {
    font-size: 1.4em;
    color: var(--page-support-primary-color);
    margin-bottom: 15px;
}

.page-support__contact-method p {
    font-size: 0.95em;
    color: var(--page-support-text-dark);
    margin-bottom: 25px;
}

/* Animations */
@keyframes page-support-rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 992px) {
    .page-support__hero-title {
        font-size: 2.8em;
    }
    .page-support__section-title {
        font-size: 2em;
    }
    .page-support__faq-list, .page-support__guide-cards, .page-support__contact-methods {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .page-support__hero-title {
        font-size: 2.2em;
    }
    .page-support__hero-description {
        font-size: 1em;
    }
    .page-support__section-title {
        font-size: 1.8em;
    }
    .page-support__faq-item, .page-support__guide-card, .page-support__contact-method {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .page-support__hero-title {
        font-size: 1.8em;
    }
    .page-support__hero-description {
        font-size: 0.9em;
    }
    .page-support__btn {
        padding: 10px 20px;
        font-size: 0.9em;
    }
    .page-support__section-title {
        font-size: 1.5em;
        margin-bottom: 30px;
    }
    .page-support__faq-list, .page-support__guide-cards, .page-support__contact-methods {
        grid-template-columns: 1fr;
    }
}