/* style/support.css */

/* General Styles */
:root {
    --primary-color: #26A9E0;
    --secondary-color: #FFFFFF;
    --text-dark: #333333;
    --text-light: #ffffff;
    --background-light: #f9f9f9;
    --background-dark: #26A9E0; /* Using primary color for dark background */
    --border-color: #e0e0e0;
    --button-login: #EA7C07; /* Specific color for login if used */
}

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

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

.page-support__light-bg {
    background-color: var(--background-light);
    color: var(--text-dark);
    padding: 60px 0;
}

.page-support__dark-bg {
    background-color: var(--background-dark);
    color: var(--text-light);
    padding: 60px 0;
}

.page-support__medium-bg {
    background-color: var(--secondary-color); /* Using white for FAQ section */
    color: var(--text-dark);
    padding: 60px 0;
}

.page-support h1,
.page-support h2,
.page-support h3 {
    color: var(--text-dark); /* Default for headings */
    margin-bottom: 20px;
    line-height: 1.2;
}

.page-support__dark-bg h1,
.page-support__dark-bg h2,
.page-support__dark-bg h3 {
    color: var(--text-light); /* Headings in dark sections */
}

.page-support h1 {
    font-size: 42px;
    text-align: center;
}

.page-support h2 {
    font-size: 36px;
    text-align: center;
    margin-bottom: 40px;
}

.page-support h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.page-support p {
    margin-bottom: 15px;
}

.page-support ul {
    list-style: disc;
    margin-left: 20px;
    margin-bottom: 15px;
}

.page-support ul li {
    margin-bottom: 8px;
}

/* CTA Buttons */
.page-support__cta-button,
.page-support__btn-primary,
.page-support__btn-secondary {
    display: inline-block;
    padding: 15px 40px;
    text-decoration: none;
    border-radius: 5px;
    font-size: 18px;
    font-weight: bold;
    transition: all 0.3s ease;
    text-align: center;
    border: 2px solid transparent; /* Default border for consistency */
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-support__cta-button {
    background: var(--primary-color);
    color: var(--text-light);
    border-color: var(--primary-color);
    margin-top: 30px;
}

.page-support__cta-button:hover {
    background: #1e87b7; /* Manual darken */
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.page-support__btn-primary {
    background: var(--primary-color);
    color: var(--text-light);
    border-color: var(--primary-color);
}

.page-support__btn-primary:hover {
    background: #1e87b7; /* Manual darken */
    border-color: #1e87b7;
}

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

.page-support__btn-secondary:hover {
    background: #e0e0e0;
    color: #1e87b7; /* Manual darken */
    border-color: #1e87b7;
}

.page-support__btn-link {
    display: inline-block;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: bold;
    margin-top: 10px;
    transition: color 0.3s ease;
}

.page-support__btn-link:hover {
    color: #1e87b7; /* Manual darken */
    text-decoration: underline;
}

.page-support__text-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: bold;
}

.page-support__text-link:hover {
    text-decoration: underline;
    color: #1e87b7; /* Manual darken */
}

/* 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;
    background-color: var(--background-dark); /* Using brand primary color for hero background */
    color: var(--text-light);
    padding-top: var(--header-offset, 120px); /* Fixed header offset */
}

.page-support__hero-section h1 {
    color: var(--text-light);
}

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

.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%;
}

/* Channels Section */
.page-support__channels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-support__channel-item {
    background-color: var(--secondary-color);
    color: var(--text-dark);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.page-support__channel-item h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.page-support__channel-item p {
    flex-grow: 1;
    margin-bottom: 20px;
}

.page-support__image-wrapper {
    margin-top: 40px;
    text-align: center;
}

.page-support__image-wrapper img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    border-radius: 8px;
}

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

.page-support__topic-card {
    background-color: var(--secondary-color);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.page-support__topic-card h3 {
    color: var(--primary-color);
    margin-top: 0;
}

.page-support__topic-card p {
    flex-grow: 1;
    margin-bottom: 20px;
}

/* FAQ Section */
.page-support__faq-list {
    margin-top: 40px;
}

/* FAQ容器样式 */
.page-support__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

/* 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 15px;
  opacity: 0;
}

/* FAQ展开状态 - 🚨 Sử dụng !important và max-height đủ lớn 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 độ ưu tiên, giá trị đủ lớn để chứa mọi nội dung */
  padding: 20px 15px !important;
  opacity: 1;
  background: #f9f9f9;
  border-radius: 0 0 5px 5px;
  color: var(--text-dark);
}

/* Question Style */
.page-support__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 5px;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  position: relative;
}

.page-support__faq-question:hover {
  background: #f5f5f5;
  border-color: #d0d0d0;
}

.page-support__faq-question:active {
  background: #eeeeee;
}

/* Question Title Style */
.page-support__faq-question h3 {
  margin: 0;
  padding: 0;
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  pointer-events: none; /* Prevent h3 from blocking click event */
  color: var(--text-dark);
}

/* Toggle Icon */
.page-support__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  line-height: 1;
  color: #666;
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
  margin-left: 15px;
  pointer-events: none; /* Prevent icon from blocking click event */
  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);
}


/* Tips Section */
.page-support__tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-support__tip-item {
    background-color: var(--secondary-color);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border-color);
}

.page-support__tip-item h3 {
    color: var(--primary-color);
    margin-top: 0;
}

/* Commitment Section */
.page-support__commitment-section ul {
    list-style: none;
    padding: 0;
    margin-top: 30px;
}

.page-support__commitment-section ul li {
    background-color: rgba(255, 255, 255, 0.1);
    margin-bottom: 15px;
    padding: 20px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    font-size: 17px;
    line-height: 1.5;
}

.page-support__commitment-section ul li strong {
    color: var(--secondary-color);
    margin-right: 10px;
    flex-shrink: 0;
}

/* Final CTA Section */
.page-support__cta-final-section {
    text-align: center;
    padding-bottom: 80px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-support h1 {
        font-size: 36px;
    }
    .page-support h2 {
        font-size: 30px;
    }
    .page-support h3 {
        font-size: 22px;
    }
    .page-support__hero-section {
        padding: 40px 15px;
    }
    .page-support__light-bg,
    .page-support__dark-bg,
    .page-support__medium-bg {
        padding: 40px 0;
    }
    .page-support__container {
        padding: 0 15px;
    }
}

@media (max-width: 768px) {
    .page-support {
        font-size: 16px;
        line-height: 1.6;
    }
    .page-support__hero-section {
        padding-top: var(--header-offset, 120px) !important; /* Mobile fixed header offset */
        padding-bottom: 40px;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-support__hero-image img {
        border-radius: 4px;
    }
    .page-support__hero-content h1 {
        font-size: 28px;
    }
    .page-support__hero-content p {
        font-size: 15px;
    }
    .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;
        margin-left: auto;
        margin-right: auto;
    }

    .page-support h1 {
        font-size: 28px;
    }
    .page-support h2 {
        font-size: 24px;
        margin-bottom: 30px;
    }
    .page-support h3 {
        font-size: 20px;
    }

    /* Images 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__channels-grid,
    .page-support__topics-grid,
    .page-support__tips-grid {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    .page-support__channel-item,
    .page-support__topic-card,
    .page-support__tip-item {
        padding: 20px;
    }

    .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;
    }

    /* Buttons responsive */
    .page-support__cta-button,
    .page-support__btn-primary,
    .page-support__btn-secondary,
    .page-support a[class*="button"],
    .page-support a[class*="btn"] {
      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__cta-buttons,
    .page-support__button-group,
    .page-support__btn-container {
      max-width: 100% !important;
      width: 100% !important;
      box-sizing: border-box !important;
      padding-left: 15px;
      padding-right: 15px;
      flex-wrap: wrap !important;
      gap: 10px;
    }
    
    .page-support__cta-buttons {
      display: flex;
      flex-direction: column;
    }

    .page-support__channel-item .page-support__btn-primary,
    .page-support__channel-item .page-support__btn-secondary {
        width: 100%;
    }
}

/* Ensure no filter is applied to images */
.page-support img {
    filter: none;
}