/* style/support.css */
.page-support {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-main); /* Sử dụng màu chữ chính */
  background-color: var(--background); /* Sử dụng màu nền chính */
}

.page-support__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  padding-top: 10px; /* Nhỏ hơn var(--header-offset) */
  background: var(--background); /* Màu nền đậm */
  overflow: hidden;
}

.page-support__hero-image-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
}

.page-support__hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.4); /* Làm tối ảnh nền để chữ nổi bật */
}

.page-support__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  color: var(--text-main); /* Chữ trắng trên nền tối */
  padding: 20px;
}

.page-support__main-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem); /* Sử dụng clamp cho H1 */
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--text-main); /* Màu chữ chính */
}

.page-support__intro-text {
  font-size: 1.15rem;
  margin-bottom: 30px;
  color: var(--text-secondary); /* Màu chữ phụ */
}

.page-support__cta-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-support__btn-primary,
.page-support__btn-secondary {
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  white-space: normal; /* Cho phép xuống dòng */
  word-wrap: break-word; /* Ngắt từ */
  box-sizing: border-box;
  max-width: 100%;
}

.page-support__btn-primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #ffffff;
  border: none;
}

.page-support__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.page-support__btn-secondary {
  background: transparent;
  color: var(--text-main); /* Màu chữ chính */
  border: 2px solid var(--border); /* Màu viền */
}

.page-support__btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.page-support__content-area {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  color: var(--text-main); /* Màu chữ chính */
}

.page-support__section-spacing {
  margin-bottom: 40px;
}

.page-support__section-title {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-main); /* Màu chữ chính */
  margin-bottom: 30px;
  text-align: center;
}

.page-support__text-block p {
  margin-bottom: 15px;
  font-size: 1rem;
  color: var(--text-secondary); /* Màu chữ phụ */
}

.page-support__text-block a {
  color: var(--glow); /* Màu sáng hơn cho liên kết */
  text-decoration: none;
}

.page-support__text-block a:hover {
  text-decoration: underline;
}

.page-support__card-bg {
  background-color: var(--card-bg); /* Màu nền thẻ */
  border-radius: 12px;
  padding: 40px;
}

.page-support__content-image {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 30px auto;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.page-support__button-group {
  display: flex;
  gap: 15px;
  justify-content: center;
  margin-top: 30px;
  flex-wrap: wrap;
}

.page-support__contact-list {
  list-style: none;
  padding: 0;
  margin-top: 20px;
}

.page-support__contact-item {
  background-color: var(--card-bg);
  border-radius: 10px;
  padding: 25px;
  margin-bottom: 20px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.page-support__contact-heading {
  font-size: 1.5rem;
  color: var(--text-main); /* Màu chữ chính */
  margin-bottom: 10px;
}

.page-support__contact-item p {
  color: var(--text-secondary); /* Màu chữ phụ */
}

.page-support__faq-list {
  margin-top: 30px;
}

.page-support__faq-item {
  background-color: var(--card-bg);
  border: 1px solid var(--divider); /* Màu viền */
  border-radius: 10px;
  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: 1.15rem;
  font-weight: 600;
  color: var(--text-main); /* Màu chữ chính */
  background-color: var(--deep-green); /* Màu xanh đậm */
  transition: background-color 0.3s ease;
}

.page-support__faq-question:hover {
  background-color: var(--main-color); /* Màu chủ đạo */
}

.page-support__faq-item[open] > .page-support__faq-question {
  background-color: var(--main-color); /* Màu chủ đạo khi mở */
}

.page-support__faq-toggle {
  font-size: 1.8rem;
  line-height: 1;
  margin-left: 15px;
  color: var(--glow); /* Màu sáng */
}

.page-support__faq-item[open] .page-support__faq-toggle {
  content: '−';
}

.page-support__faq-answer {
  padding: 20px 25px;
  font-size: 1rem;
  color: var(--text-secondary); /* Màu chữ phụ */
  border-top: 1px solid var(--divider); /* Màu viền */
}

.page-support__faq-answer p {
  margin-bottom: 0;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-support__main-title {
    font-size: clamp(2rem, 5vw, 2.8rem);
  }

  .page-support__section-title {
    font-size: 2rem;
  }

  .page-support__content-area {
    padding: 30px 15px;
  }

  .page-support__card-bg {
    padding: 30px;
  }
}

@media (max-width: 768px) {
  .page-support {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-support__hero-section {
    padding: 40px 15px;
    padding-top: 10px !important; /* body đã có padding-top */
  }

  .page-support__main-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
  }

  .page-support__intro-text {
    font-size: 1rem;
  }

  .page-support__cta-buttons {
    flex-direction: column;
    gap: 10px;
  }

  .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__content-area {
    padding: 20px 15px;
  }

  .page-support__section-title {
    font-size: 1.8rem;
    margin-bottom: 20px;
  }

  .page-support__text-block p {
    font-size: 0.95rem;
  }

  .page-support__card-bg {
    padding: 25px;
  }

  .page-support__content-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    margin: 20px auto;
  }

  .page-support__button-group {
    flex-direction: column;
    gap: 10px;
  }

  .page-support__contact-item {
    padding: 20px;
  }

  .page-support__contact-heading {
    font-size: 1.3rem;
  }

  .page-support__faq-question {
    font-size: 1rem;
    padding: 15px 20px;
  }

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

  /* Ensure all image and video containers are responsive */
  .page-support img,
  .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__hero-section,
  .page-support__button-group,
  .page-support__cta-buttons,
  .page-support__faq-list {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    /* padding-left: 15px; */ /* Removed to avoid double padding if content-area already has it */
    /* padding-right: 15px; */ /* Removed to avoid double padding if content-area already has it */
    overflow: hidden !important;
  }

  .page-support__text-block {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  /* Specific override for content-area to ensure padding */
  .page-support__content-area {
    padding-left: 15px !important;
    padding-right: 15px !important;
  }
}

/* Default color variables - will be overridden by shared.css if defined */
:root {
  --main-color: #11A84E;
  --accent-color: #22C768;
  --background: #08160F;
  --card-bg: #11271B;
  --text-main: #F2FFF6;
  --text-secondary: #A7D9B8;
  --border: #2E7A4E;
  --glow: #57E38D;
  --gold: #F2C14E;
  --divider: #1E3A2A;
  --deep-green: #0A4B2C;
}

/* Ensure details summary marker is hidden */
.page-support__faq-item summary::-webkit-details-marker {
  display: none;
}
.page-support__faq-item summary {
  list-style: none;
}