/* style/support.css */
/* body đã padding-top: var(--header-offset) từ shared.css, không lặp lại ở đây */

:root {
  --page-support-primary-color: #11A84E;
  --page-support-secondary-color: #22C768;
  --page-support-background-dark: #08160F;
  --page-support-card-bg: #11271B;
  --page-support-text-main: #F2FFF6;
  --page-support-text-secondary: #A7D9B8;
  --page-support-border-color: #2E7A4E;
  --page-support-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --page-support-glow-color: #57E38D;
  --page-support-gold-color: #F2C14E;
  --page-support-divider-color: #1E3A2A;
  --page-support-deep-green: #0A4B2C;
}

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

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

.page-support__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 10px 0 60px 0; /* body đã xử lý padding-top, chỉ cần 10px cho khoảng cách nhỏ */
  overflow: hidden;
}

.page-support__hero-image-wrapper {
  width: 100%;
  max-height: 675px; /* Giới hạn chiều cao cho hero image */
  overflow: hidden;
}

.page-support__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  min-height: 200px; /* Đảm bảo kích thước tối thiểu */
}

.page-support__hero-content {
  padding: 40px 20px;
  max-width: 900px;
  margin-top: -80px; /* Kéo nội dung lên trên ảnh một chút để tạo sự liền mạch */
  background-color: var(--page-support-card-bg);
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
  z-index: 10;
  position: relative;
  border: 1px solid var(--page-support-border-color);
}

.page-support__main-title {
  font-size: clamp(2em, 4vw, 3em);
  color: var(--page-support-gold-color);
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.2;
}

.page-support__description {
  font-size: 1.1em;
  color: var(--page-support-text-secondary);
  margin-bottom: 30px;
}

.page-support__cta-button {
  display: inline-block;
  background: var(--page-support-button-gradient);
  color: var(--page-support-text-main);
  padding: 14px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-support__cta-button:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-support__cta-button--small {
  padding: 10px 20px;
  font-size: 0.9em;
  margin: 5px;
}

.page-support__cta-button--large {
  padding: 16px 35px;
  font-size: 1.2em;
}

.page-support__section-title {
  font-size: clamp(1.8em, 3.5vw, 2.5em);
  color: var(--page-support-gold-color);
  text-align: center;
  margin-bottom: 40px;
  font-weight: bold;
}

.page-support__text-block {
  font-size: 1em;
  color: var(--page-support-text-secondary);
  text-align: center;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-support__contact-channels,
.page-support__common-topics,
.page-support__faq-section,
.page-support__commitment-section,
.page-support__tips-section {
  padding: 80px 0;
  background-color: var(--page-support-background-dark);
}

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

.page-support__channel-item,
.page-support__topic-card,
.page-support__tip-card {
  background-color: var(--page-support-card-bg);
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  border: 1px solid var(--page-support-border-color);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-support__channel-item:hover,
.page-support__topic-card:hover,
.page-support__tip-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.page-support__channel-icon {
  width: 100px;
  height: 100px;
  margin-bottom: 20px;
  object-fit: contain;
  min-width: 200px; /* Đảm bảo kích thước tối thiểu */
  min-height: 200px; /* Đảm bảo kích thước tối thiểu */
}

.page-support__channel-title,
.page-support__topic-title,
.page-support__tip-title {
  font-size: 1.4em;
  color: var(--page-support-text-main);
  margin-bottom: 15px;
  font-weight: bold;
}

.page-support__channel-text,
.page-support__topic-text,
.page-support__tip-text {
  color: var(--page-support-text-secondary);
  font-size: 0.95em;
  margin-bottom: 20px;
}

.page-support__channel-link,
.page-support__topic-link {
  color: var(--page-support-secondary-color);
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
}

.page-support__channel-link:hover,
.page-support__topic-link:hover {
  color: var(--page-support-gold-color);
}

.page-support__faq-list {
  margin-top: 40px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-support__faq-item {
  background-color: var(--page-support-card-bg);
  border: 1px solid var(--page-support-border-color);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-support__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  font-size: 1.1em;
  color: var(--page-support-text-main);
  font-weight: bold;
  background-color: var(--page-support-deep-green);
  border-bottom: 1px solid var(--page-support-border-color);
  list-style: none; /* For details/summary */
}

.page-support__faq-item summary::-webkit-details-marker {
  display: none;
}

.page-support__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  color: var(--page-support-gold-color);
}

.page-support__faq-answer {
  padding: 20px 25px;
  color: var(--page-support-text-secondary);
  font-size: 0.95em;
  border-top: 1px solid var(--page-support-divider-color);
}

.page-support__faq-answer p {
  margin: 0;
  color: var(--page-support-text-secondary);
}

.page-support__commitment-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 40px;
  margin-top: 40px;
}

.page-support__commitment-text-block {
  flex: 1;
  min-width: 300px;
}

.page-support__commitment-text-block .page-support__text-block {
  text-align: left;
  margin-left: 0;
  margin-right: 0;
}

.page-support__commitment-list {
  list-style: none;
  padding: 0;
  margin: 30px 0;
}

.page-support__commitment-list li {
  color: var(--page-support-text-secondary);
  margin-bottom: 15px;
  position: relative;
  padding-left: 25px;
  font-size: 1em;
}

.page-support__commitment-list li strong {
  color: var(--page-support-text-main);
}

.page-support__commitment-list li::before {
  content: '✔';
  color: var(--page-support-secondary-color);
  position: absolute;
  left: 0;
  top: 0;
}

.page-support__commitment-image-wrapper {
  flex: 1;
  min-width: 300px;
  text-align: center;
}

.page-support__commitment-image {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
  min-width: 200px; /* Đảm bảo kích thước tối thiểu */
  min-height: 200px; /* Đảm bảo kích thước tối thiểu */
}

.page-support__final-cta {
  text-align: center;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--page-support-divider-color);
}

/* Responsive styles */
@media (max-width: 1024px) {
  .page-support__hero-content {
    margin-top: -60px;
  }
  .page-support__channels-grid,
  .page-support__topics-grid,
  .page-support__tips-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .page-support {
    font-size: 16px;
    line-height: 1.6;
  }
  .page-support__hero-section {
    padding-bottom: 40px;
  }
  .page-support__hero-content {
    padding: 30px 15px;
    margin-top: -40px;
    border-radius: 8px;
  }
  .page-support__main-title {
    font-size: clamp(1.8em, 7vw, 2.5em);
  }
  .page-support__description {
    font-size: 1em;
  }
  .page-support__cta-button {
    padding: 12px 25px;
    font-size: 0.9em;
  }
  .page-support__section-title {
    font-size: clamp(1.5em, 6vw, 2em);
    margin-bottom: 30px;
  }
  .page-support__text-block {
    font-size: 0.95em;
    margin-bottom: 20px;
  }
  .page-support__contact-channels,
  .page-support__common-topics,
  .page-support__faq-section,
  .page-support__commitment-section,
  .page-support__tips-section {
    padding: 50px 0;
  }
  .page-support__channels-grid,
  .page-support__topics-grid,
  .page-support__tips-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-support__channel-item,
  .page-support__topic-card,
  .page-support__tip-card {
    padding: 25px;
  }
  .page-support__channel-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 15px;
    min-width: 200px !important;
    min-height: 200px !important;
  }
  .page-support__faq-question {
    padding: 18px 20px;
    font-size: 1em;
  }
  .page-support__faq-answer {
    padding: 18px 20px;
    font-size: 0.9em;
  }
  .page-support__commitment-content {
    flex-direction: column;
  }
  .page-support__commitment-list li {
    font-size: 0.95em;
  }
  .page-support__commitment-image {
    min-width: 200px !important;
    min-height: 200px !important;
  }

  /* Force responsive image/video/button styles */
  .page-support img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-support video,
  .page-support__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-support__section,
  .page-support__card,
  .page-support__container,
  .page-support__video-section,
  .page-support__video-container,
  .page-support__video-wrapper,
  .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;
    overflow: hidden !important;
  }
  .page-support__video-section {
    padding-top: 10px !important; /* body đã承担 --header-offset */
  }
  .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;
    margin-left: 0 !important;
    margin-right: 0 !important;
  }
  .page-support__cta-buttons,
  .page-support__button-group,
  .page-support__btn-container {
    flex-direction: column !important; /* Stack buttons vertically */
    gap: 10px !important;
  }
  .page-support__hero-image {
    min-height: 200px !important; /* Ensure min height for hero on mobile */
  }
}

@media (max-width: 480px) {
  .page-support__hero-content {
    padding: 25px 10px;
    margin-top: -30px;
  }
  .page-support__main-title {
    font-size: clamp(1.6em, 8vw, 2.2em);
  }
  .page-support__description {
    font-size: 0.9em;
  }
  .page-support__cta-button {
    padding: 10px 20px;
    font-size: 0.85em;
  }
  .page-support__section-title {
    font-size: clamp(1.4em, 7vw, 1.8em);
  }
  .page-support__channel-item,
  .page-support__topic-card,
  .page-support__tip-card {
    padding: 20px;
  }
  .page-support__faq-question {
    padding: 15px;
  }
  .page-support__faq-answer {
    padding: 15px;
  }
}