/* style/support.css */
/* body đã padding-top: var(--header-offset); trang này không được viết lại biến đó */

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

.page-support {
  font-family: Arial, sans-serif;
  color: var(--text-main); /* Giả định body là nền tối, sử dụng chữ sáng */
  background-color: var(--bg-main);
  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;
  justify-content: center;
  padding: 60px 20px;
  padding-top: 10px; /* Nhỏ thôi, body đã có padding-top */
  background-color: var(--bg-main);
  text-align: center;
}

.page-support__hero-content {
  max-width: 800px;
  z-index: 1;
  margin-bottom: 30px;
}

.page-support__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--gold-color);
  margin-bottom: 15px;
  line-height: 1.2;
}

.page-support__hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 30px;
}

.page-support__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-support__btn-primary,
.page-support__btn-secondary {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  white-space: normal;
  word-wrap: break-word;
  box-sizing: border-box;
  max-width: 100%;
}

.page-support__btn-primary {
  background: var(--btn-gradient);
  color: var(--text-main);
  border: 2px solid transparent;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-support__btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-support__btn-secondary {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.page-support__btn-secondary:hover {
  background: rgba(var(--primary-color), 0.1);
  color: var(--glow-color);
}

.page-support__hero-image-wrapper {
  width: 100%;
  max-width: 1000px;
  margin-top: 40px;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.page-support__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-support__section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--gold-color);
  text-align: center;
  margin-bottom: 40px;
  font-weight: 700;
  line-height: 1.3;
}

.page-support__text-block {
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 20px;
  color: var(--text-secondary);
  text-align: justify;
}

.page-support__dark-section {
  background-color: var(--bg-card);
  padding: 60px 0;
}

.page-support__introduction-section {
  padding: 60px 0;
}

.page-support__channels-section {
  padding: 60px 0;
  background-color: var(--bg-main);
}

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

.page-support__channel-card {
  background-color: var(--bg-card);
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color);
}

.page-support__channel-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-support__channel-icon {
  width: 200px; /* Đảm bảo kích thước tối thiểu */
  height: auto;
  margin-bottom: 20px;
  border-radius: 8px;
  object-fit: cover;
  display: block;
}

.page-support__channel-title {
  font-size: 1.5rem;
  color: var(--gold-color);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-support__channel-description {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 25px;
  flex-grow: 1;
}

.page-support__btn-small {
  padding: 10px 20px;
  font-size: 0.9rem;
}

.page-support__common-issues-section {
  padding: 60px 0;
}

.page-support__faq-list {
  margin-top: 40px;
}

.page-support__faq-item {
  background-color: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.page-support__faq-item[open] {
  background-color: var(--deep-green-color);
}

.page-support__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  background-color: var(--bg-card);
  transition: background-color 0.3s ease;
  list-style: none; /* For details/summary */
}

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

.page-support__faq-question:hover {
  background-color: var(--deep-green-color);
}

.page-support__faq-qtext {
  flex-grow: 1;
  text-align: left;
}

.page-support__faq-toggle {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--glow-color);
  margin-left: 15px;
  transition: transform 0.3s ease;
}

.page-support__faq-item[open] .page-support__faq-toggle {
  transform: rotate(45deg);
}

.page-support__faq-answer {
  padding: 0 25px 20px;
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  text-align: justify;
}

.page-support__commitment-section {
  padding: 60px 0;
  background-color: var(--bg-main);
}

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

.page-support__commitment-card {
  background-color: var(--bg-card);
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color);
}

.page-support__commitment-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-support__commitment-icon {
  width: 200px; /* Đảm bảo kích thước tối thiểu */
  height: auto;
  margin-bottom: 20px;
  border-radius: 8px;
  object-fit: cover;
  display: block;
}

.page-support__commitment-title {
  font-size: 1.5rem;
  color: var(--gold-color);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-support__commitment-description {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 25px;
  flex-grow: 1;
}

.page-support__contact-cta-section {
  padding: 60px 0;
  text-align: center;
}

.page-support__contact-tip {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-top: 30px;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-support__hero-section {
    padding: 40px 20px;
  }
  .page-support__hero-image-wrapper {
    max-width: 800px;
  }
}

@media (max-width: 768px) {
  .page-support__main-title {
    font-size: clamp(2rem, 8vw, 2.8rem);
  }

  .page-support__hero-description {
    font-size: 1rem;
  }

  .page-support__cta-buttons {
    flex-direction: column;
    gap: 15px;
    width: 100%;
    max-width: 100%;
    padding: 0 15px;
    box-sizing: border-box;
  }

  .page-support__btn-primary,
  .page-support__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 0.95rem;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-support__hero-image-wrapper {
    margin-top: 30px;
    max-width: 100%;
    padding: 0 15px;
    box-sizing: border-box;
  }

  .page-support__hero-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-support__section-title {
    font-size: clamp(1.5rem, 6vw, 2.2rem);
    margin-bottom: 30px;
  }

  .page-support__text-block {
    font-size: 0.95rem;
    padding: 0 15px;
    box-sizing: border-box;
  }

  .page-support__dark-section,
  .page-support__introduction-section,
  .page-support__channels-section,
  .page-support__common-issues-section,
  .page-support__commitment-section,
  .page-support__contact-cta-section {
    padding: 40px 0;
  }

  .page-support__container {
    padding: 0;
  }

  .page-support__channels-grid,
  .page-support__commitment-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 30px;
    padding: 0 15px;
    box-sizing: border-box;
  }

  .page-support__channel-card,
  .page-support__commitment-card {
    padding: 25px;
  }

  .page-support__channel-icon,
  .page-support__commitment-icon {
    width: 150px; /* Vẫn lớn hơn 200px nếu có thể hoặc giữ tỷ lệ */
    max-width: 100% !important;
    height: auto !important;
  }

  .page-support__channel-title,
  .page-support__commitment-title {
    font-size: 1.3rem;
  }

  .page-support__faq-question {
    padding: 15px 20px;
    font-size: 1.1rem;
  }

  .page-support__faq-answer {
    padding: 0 20px 15px;
    font-size: 0.95rem;
  }

  /* Các hình ảnh trong khu vực nội dung */
  .page-support img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-support__section,
  .page-support__card,
  .page-support__container,
  .page-support__hero-image-wrapper,
  .page-support__channels-grid,
  .page-support__commitment-grid,
  .page-support__cta-buttons,
  .page-support__video-section,
  .page-support__video-container,
  .page-support__video-wrapper {
    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 */
  }
  
  /* Nếu có nhiều nút ngang hàng, đảm bảo chúng xuống dòng */
  .page-support__cta-buttons {
    flex-wrap: wrap !important;
    gap: 10px;
    flex-direction: column; /* Hoặc dùng wrap */
  }
}