/* style/support.css */
.page-support {
  background-color: #08160F; /* Nền tối theo yêu cầu */
  color: #F2FFF6; /* Màu chữ chính cho nền tối */
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

.page-support__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 10px; /* Nhỏ để tránh double padding với body */
  padding-bottom: 60px;
  overflow: hidden;
}

.page-support__hero-image-wrapper {
  width: 100%;
  max-height: 700px; /* Giới hạn chiều cao của ảnh hero */
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

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

.page-support__hero-content {
  position: relative; /* Đảm bảo nội dung nằm trên ảnh nếu cần, nhưng không chồng lấn */
  z-index: 10;
  text-align: center;
  padding: 20px;
  max-width: 900px;
  margin-top: -100px; /* Điều chỉnh để nội dung không bị đẩy quá xa */
  background: linear-gradient(to bottom, transparent, #08160F 80%); /* Hiệu ứng mờ dần */
  padding-top: 100px;
}

.page-support__main-title {
  font-weight: bold;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: #F2FFF6;
  margin-bottom: 15px;
  font-size: clamp(2.2rem, 4vw + 1rem, 3.8rem); /* Sử dụng clamp cho H1 */
}

.page-support__subtitle {
  font-size: 1.15rem;
  color: #A7D9B8;
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.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: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

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

.page-support__btn-primary:hover {
  background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
  box-shadow: 0 0 15px rgba(87, 227, 141, 0.6);
}

.page-support__btn-secondary {
  background: transparent;
  color: #2AD16F;
  border: 2px solid #2AD16F;
}

.page-support__btn-secondary:hover {
  background-color: rgba(42, 209, 111, 0.1);
  color: #F2FFF6;
  border-color: #F2FFF6;
}

.page-support__section {
  padding: 60px 0;
  text-align: center;
}

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

.page-support__section-title {
  font-size: clamp(1.8rem, 3vw + 1rem, 2.8rem);
  color: #F2FFF6;
  margin-bottom: 40px;
  position: relative;
}

.page-support__section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, #2AD16F, #13994A);
  margin: 15px auto 0;
  border-radius: 2px;
}

.page-support__text-block {
  font-size: 1.05rem;
  color: #A7D9B8;
  margin-bottom: 20px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
}

.page-support__introduction-section .page-support__text-block {
  text-align: center;
}

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

.page-support__card {
  background-color: #11271B; /* Card BG */
  border: 1px solid #2E7A4E; /* Border */
  border-radius: 12px;
  padding: 25px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
}

.page-support__card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 30px rgba(87, 227, 141, 0.2);
}

.page-support__card-image {
  width: 100%;
  height: 200px; /* Fixed height for consistency */
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
}

.page-support__card-title {
  font-size: 1.5rem;
  color: #F2FFF6;
  margin-bottom: 15px;
  font-weight: bold;
}

.page-support__card-title a {
  color: #F2FFF6;
  text-decoration: none;
}

.page-support__card-title a:hover {
  color: #57E38D;
}

.page-support__card-text {
  font-size: 1rem;
  color: #A7D9B8;
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-support__channel-btn {
  margin-top: auto;
  width: 100%;
}

.page-support__faq-section {
  background-color: #0A4B2C; /* Deep Green */
}

.page-support__faq-list {
  text-align: left;
  max-width: 900px;
  margin: 40px auto 0;
}

.page-support__faq-item {
  background-color: #11271B; /* Card BG */
  border: 1px solid #2E7A4E; /* Border */
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-support__faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2rem;
  font-weight: bold;
  color: #F2FFF6;
  cursor: pointer;
  list-style: none;
}

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

.page-support__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

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

.page-support__faq-toggle {
  font-size: 1.8rem;
  line-height: 1;
  margin-left: 15px;
  color: #57E38D;
}

.page-support__faq-answer {
  padding: 0 25px 20px;
  font-size: 1rem;
  color: #A7D9B8;
  line-height: 1.7;
}

.page-support__faq-item[open] .page-support__faq-answer {
  padding-top: 10px;
}

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

.page-support__commitment-section {
  background-color: #08160F;
}

.page-support__commitment-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  list-style: none;
  padding: 0;
  margin-top: 40px;
}

.page-support__commitment-item {
  background-color: #11271B; /* Card BG */
  border: 1px solid #2E7A4E; /* Border */
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-support__commitment-icon {
  width: 60px;
  height: 60px;
  margin-bottom: 20px;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(87, 227, 141, 0.5)); /* Glow */
}

.page-support__commitment-heading {
  font-size: 1.4rem;
  color: #F2FFF6;
  margin-bottom: 15px;
}

.page-support__final-cta {
  background-color: #0A4B2C;
  padding-bottom: 80px;
}

/* Media Queries for Responsiveness */
@media (max-width: 1024px) {
  .page-support__hero-content {
    margin-top: -80px;
  }
}

@media (max-width: 768px) {
  .page-support__hero-section {
    padding-bottom: 40px;
  }

  .page-support__hero-content {
    margin-top: -60px;
    padding-top: 80px;
  }

  .page-support__main-title {
    font-size: clamp(1.8rem, 5vw, 2.5rem);
  }

  .page-support__subtitle {
    font-size: 1rem;
  }

  .page-support__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .page-support__btn-primary,
  .page-support__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
  }

  .page-support__section {
    padding: 40px 0;
  }

  .page-support__section-title {
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    margin-bottom: 30px;
  }

  .page-support__container {
    padding: 0 15px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

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

  .page-support__channels-grid,
  .page-support__resources-grid,
  .page-support__commitment-list {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-support__card-image {
    height: 180px;
  }

  .page-support__card-title {
    font-size: 1.3rem;
  }

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

  .page-support__faq-answer {
    padding: 0 20px 15px;
  }

  /* Mobile image responsiveness */
  .page-support img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
    box-sizing: border-box !important;
  }

  .page-support__hero-image-wrapper,
  .page-support__channel-card,
  .page-support__resource-card,
  .page-support__commitment-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  .page-support__video-section {
    padding-top: 10px !important;
  }
}

@media (max-width: 480px) {
  .page-support__hero-content {
    margin-top: -40px;
    padding-top: 60px;
  }

  .page-support__main-title {
    font-size: clamp(1.6rem, 6vw, 2.2rem);
  }

  .page-support__btn-primary,
  .page-support__btn-secondary {
    padding: 12px 20px;
    font-size: 0.95rem;
  }

  .page-support__section-title {
    font-size: clamp(1.3rem, 5vw, 1.8rem);
  }

  .page-support__faq-item summary {
    font-size: 1rem;
  }
}