/* style/support.css */

:root {
    --primary-color: #C80000;
    --secondary-color: #FFD700;
    --text-color-light: #ffffff;
    --text-color-dark: #333333;
    --dark-bg: #0d0d0d; /* Giả định từ shared.css */
    --card-bg-dark: rgba(255, 255, 255, 0.08);
    --border-color-dark: rgba(255, 255, 255, 0.15);
}

.page-support {
    color: var(--text-color-light); /* Body background is dark, so text is light */
    background-color: var(--dark-bg);
    padding-top: var(--header-offset, 120px);
}

.page-support__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    box-sizing: border-box;
}

/* Hero Section */
.page-support__hero-section {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 20px;
    color: var(--text-color-light);
    overflow: hidden;
}

.page-support__hero-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

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

.page-support__hero-image img {
    width: 100%;
    height: auto;
    max-width: 100%;
    display: block;
    border-radius: 8px;
    object-fit: cover;
}

.page-support__hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
}

.page-support__main-title {
    font-size: 3.2em;
    font-weight: bold;
    margin-bottom: 20px;
    color: var(--secondary-color);
    line-height: 1.2;
}

.page-support__hero-description {
    font-size: 1.2em;
    line-height: 1.6;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: var(--text-color-light);
}

.page-support__cta-button {
    display: inline-block;
    padding: 15px 40px;
    background: var(--primary-color);
    color: var(--text-color-light);
    text-decoration: none;
    border-radius: 5px;
    font-size: 18px;
    font-weight: bold;
    margin-top: 30px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.page-support__cta-button:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* General Section Styles */
.page-support__section-title {
    font-size: 2.5em;
    color: var(--secondary-color);
    text-align: center;
    margin-bottom: 20px;
    font-weight: bold;
}

.page-support__section-description {
    font-size: 1.1em;
    line-height: 1.7;
    text-align: center;
    max-width: 900px;
    margin: 0 auto 50px auto;
    color: rgba(255, 255, 255, 0.8);
}

/* Contact Section */
.page-support__contact-section {
    background-color: var(--dark-bg);
    padding: 80px 0;
}

.page-support__contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    justify-content: center;
}

.page-support__contact-card {
    background-color: var(--card-bg-dark);
    border: 1px solid var(--border-color-dark);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.page-support__contact-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.page-support__contact-card img {
    width: 100%;
    max-width: 300px;
    height: auto;
    border-radius: 8px;
    margin-bottom: 20px;
    object-fit: cover;
}

.page-support__card-title {
    font-size: 1.6em;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.page-support__contact-card p {
    font-size: 1em;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 25px;
    flex-grow: 1;
}

.page-support__btn-primary {
    display: inline-block;
    padding: 12px 25px;
    background: var(--primary-color);
    color: var(--text-color-light);
    text-decoration: none;
    border-radius: 5px;
    font-size: 1em;
    font-weight: bold;
    transition: background-color 0.3s ease, transform 0.3s ease;
    border: none;
    cursor: pointer;
    margin-top: auto; /* Push button to bottom */
}

.page-support__btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

/* FAQ Section */
.page-support__faq-section {
    background-color: #1a1a1a;
    padding: 80px 0;
}

.page-support__faq-list {
    max-width: 900px;
    margin: 0 auto;
}

/* FAQ容器样式 */
.page-support__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
  background-color: var(--card-bg-dark);
  border: 1px solid var(--border-color-dark);
}

/* FAQ默认状态 - 答案隐藏 */
.page-support__faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
  padding: 0 25px;
  opacity: 0;
  color: rgba(255, 255, 255, 0.7);
}

/* FAQ展开状态 - 🚨 使用!important và đủ lớn max-height để đảm bảo có thể mở rộng */
.page-support__faq-item.active .page-support__faq-answer {
  max-height: 2000px !important; /* 🚨 Sử dụng!important để đảm bảo ưu tiên, giá trị đủ lớn để chứa mọi nội dung */
  padding: 20px 25px !important;
  opacity: 1;
  background: rgba(255, 255, 255, 0.05);
  border-top: 1px solid var(--border-color-dark);
  border-radius: 0 0 8px 8px;
}

/* Question Styles */
.page-support__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  background: transparent;
  border-radius: 8px;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.3s ease;
  position: relative;
}

.page-support__faq-question:hover {
  background: rgba(255, 255, 255, 0.05);
}

.page-support__faq-question:active {
  background: rgba(255, 255, 255, 0.1);
}

/* Question Title Styles */
.page-support__faq-question h3 {
  margin: 0;
  padding: 0;
  flex: 1;
  font-size: 1.15em;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-color-light);
  pointer-events: none; /* Ngăn chặn thẻ h3 chặn sự kiện nhấp */
}

/* Toggle Icon */
.page-support__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  line-height: 1;
  color: var(--secondary-color);
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
  margin-left: 15px;
  pointer-events: none; /* Ngăn chặn biểu tượng chặn sự kiện nhấp */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
}

.page-support__faq-item.active .page-support__faq-toggle {
  color: var(--primary-color);
  transform: rotate(45deg); /* Optional: rotate for 'x' effect */
}

/* Quick Guides Section */
.page-support__quick-guides-section {
    background-color: var(--dark-bg);
    padding: 80px 0;
}

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

.page-support__guide-card {
    display: flex;
    flex-direction: column;
    background-color: var(--card-bg-dark);
    border: 1px solid var(--border-color-dark);
    border-radius: 10px;
    overflow: hidden;
    text-decoration: none;
    color: var(--text-color-light);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-support__guide-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.page-support__guide-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.page-support__guide-card .page-support__card-title {
    font-size: 1.4em;
    margin: 20px 20px 10px 20px;
    color: var(--secondary-color);
}

.page-support__guide-card p {
    font-size: 0.95em;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.7);
    padding: 0 20px 20px 20px;
    flex-grow: 1;
}

/* Policy Section */
.page-support__policy-section {
    background-color: #1a1a1a;
    padding: 80px 0;
}

.page-support__policy-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.page-support__policy-link {
    display: inline-block;
    padding: 12px 25px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-color-light);
    text-decoration: none;
    border-radius: 5px;
    font-size: 1em;
    font-weight: bold;
    transition: background-color 0.3s ease, transform 0.3s ease;
    border: 1px solid var(--border-color-dark);
}

.page-support__policy-link:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-support__main-title {
        font-size: 2.8em;
    }
    .page-support__section-title {
        font-size: 2.2em;
    }
}

@media (max-width: 768px) {
    .page-support {
        padding-top: var(--header-offset, 120px) !important;
    }
    .page-support__hero-section {
        padding-top: var(--header-offset, 120px) !important;
        padding-bottom: 40px;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-support__hero-image img {
        border-radius: 4px;
    }
    .page-support__main-title {
        font-size: 2.2em;
    }
    .page-support__hero-description {
        font-size: 1em;
    }
    .page-support__cta-button {
        padding: 12px 30px;
        font-size: 16px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }
    .page-support__section-title {
        font-size: 1.8em;
        padding: 0 15px;
    }
    .page-support__section-description {
        font-size: 0.95em;
        padding: 0 15px;
        margin-bottom: 40px;
    }

    .page-support__container {
        padding: 20px 15px;
    }

    .page-support__contact-section, .page-support__faq-section, .page-support__quick-guides-section, .page-support__policy-section {
        padding: 40px 0;
    }

    .page-support__contact-card {
        padding: 20px;
    }
    .page-support__contact-card img, .page-support__guide-card img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    .page-support__btn-primary {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-support__faq-question {
        padding: 15px;
        flex-wrap: wrap;
    }
    .page-support__faq-question h3 {
        font-size: 15px;
        margin-bottom: 0;
        width: calc(100% - 40px);
    }
    .page-support__faq-toggle {
        margin-left: 10px;
        width: 24px;
        height: 24px;
        font-size: 20px;
    }
    .page-support__faq-answer {
        padding: 0 15px;
    }
    .page-support__faq-item.active .page-support__faq-answer {
        padding: 15px !important;
    }
    .page-support__guide-card .page-support__card-title, .page-support__guide-card p {
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-support__policy-link {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    /* Ensure all images and their containers are responsive */
    .page-support img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    .page-support__section,
    .page-support__card,
    .page-support__container,
    .page-support__contact-methods,
    .page-support__guides-grid,
    .page-support__policy-links {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-support__contact-methods, .page-support__guides-grid {
        grid-template-columns: 1fr;
    }
}