/* style/support.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần thêm */
.page-support {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--background-color);
}

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

.page-support__hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 10px; /* Nhỏ gọn, không trùng với body padding-top */
  padding-bottom: 60px;
  text-align: center;
  background-color: var(--background-color);
  position: relative;
  overflow: hidden;
}

.page-support__hero-image-wrapper {
  width: 100%;
  max-height: 600px; /* Giới hạn chiều cao của hình ảnh hero */
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-support__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  min-width: 200px;
  min-height: 200px;
}

.page-support__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: 40px 20px;
  margin-top: -80px; /* Kéo nội dung lên trên hình ảnh một chút */
  background-color: var(--card-bg);
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-support__main-title {
  font-size: clamp(2em, 4vw, 3.2em);
  color: var(--text-main);
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.2;
}

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

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

.page-support__btn-primary,
.page-support__btn-secondary,
.page-support__btn-tertiary,
.page-support__btn-link {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, transform 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
  min-width: 150px; /* Đảm bảo kích thước tối thiểu cho nút */
}

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

.page-support__btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(42, 209, 111, 0.4);
}

.page-support__btn-secondary {
  background: var(--card-bg);
  color: var(--main-color);
  border: 2px solid var(--main-color);
}

.page-support__btn-secondary:hover {
  transform: translateY(-2px);
  background-color: var(--main-color);
  color: #ffffff;
}

.page-support__btn-tertiary {
  background: var(--deep-green);
  color: var(--text-main);
  border: 1px solid var(--divider);
}

.page-support__btn-tertiary:hover {
  background-color: var(--main-color);
  color: #ffffff;
  border-color: var(--main-color);
}

.page-support__btn-link {
  color: var(--gold);
  background: none;
  border: none;
  padding: 0;
  text-align: left;
  font-size: 0.95em;
  display: block;
  margin-top: 10px;
}

.page-support__btn-link:hover {
  text-decoration: underline;
  color: var(--glow);
}

.page-support__section-title {
  font-size: clamp(1.8em, 3.5vw, 2.8em);
  color: var(--text-main);
  text-align: center;
  margin-bottom: 30px;
  font-weight: bold;
}

.page-support__section-title--light {
  color: #ffffff;
}

.page-support__text-block {
  font-size: 1.05em;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-support__text-block--light {
  color: var(--text-secondary);
}

.page-support__text-block--center {
  text-align: center;
  margin-top: 40px;
}

.page-support__contact-options-section,
.page-support__policy-links-section {
  padding: 60px 0;
  background-color: var(--background-color);
}

.page-support__options-grid,
.page-support__links-grid,
.page-support__why-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

.page-support__option-card,
.page-support__policy-link,
.page-support__why-item,
.page-support__faq-item {
  background-color: var(--card-bg);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  min-height: 200px; /* Đảm bảo chiều cao tối thiểu cho card */
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
}

.page-support__option-card:hover,
.page-support__policy-link:hover,
.page-support__why-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-support__option-icon {
  width: 80px;
  height: 80px;
  margin-bottom: 20px;
  object-fit: contain;
  min-width: 200px;
  min-height: 200px;
}

.page-support__option-title,
.page-support__why-item-title {
  font-size: 1.4em;
  color: var(--text-main);
  margin-bottom: 15px;
  font-weight: bold;
}

.page-support__option-description {
  font-size: 0.95em;
  color: var(--text-secondary);
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-support__policy-link {
  color: var(--text-main);
  text-decoration: none;
  font-size: 1.1em;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-support__faq-section {
  padding: 60px 0;
  background-color: var(--deep-green);
}

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

.page-support__faq-item {
  margin-bottom: 20px;
  text-align: left;
  background-color: var(--card-bg);
  border-radius: 10px;
  padding: 25px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  color: var(--text-secondary);
}

.page-support__faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: bold;
  font-size: 1.15em;
  color: var(--text-main);
  list-style: none; /* Ẩn marker mặc định của summary */
}

.page-support__faq-item summary::-webkit-details-marker {
  display: none; /* Ẩn marker cho Webkit */
}

.page-support__faq-qtext {
  flex-grow: 1;
  padding-right: 15px;
}

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

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

.page-support__faq-answer {
  padding-top: 20px;
  font-size: 1em;
  line-height: 1.7;
  color: var(--text-secondary);
}

.page-support__faq-answer p {
  margin-bottom: 15px;
  color: var(--text-secondary);
}

.page-support__cta-contact {
  text-align: center;
  margin-top: 50px;
}

.page-support__why-choose-us-section {
  padding: 60px 0 80px;
  background-color: var(--background-color);
}

.page-support__why-item {
  padding: 25px;
}

.page-support__why-icon {
  width: 120px;
  height: 120px;
  margin-bottom: 20px;
  object-fit: contain;
  min-width: 200px;
  min-height: 200px;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .page-support__hero-content {
    margin-top: -60px;
    padding: 30px 20px;
  }
}

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

  .page-support__container {
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-support__hero-section {
    padding-bottom: 40px;
  }

  .page-support__hero-content {
    margin-top: -40px;
    padding: 25px 15px;
  }

  .page-support__main-title {
    font-size: clamp(1.8em, 7vw, 2.5em);
  }

  .page-support__description {
    font-size: 1em;
  }

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

  .page-support__btn-primary,
  .page-support__btn-secondary,
  .page-support__btn-tertiary,
  .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;
    min-width: unset; /* Xóa min-width để cho phép co giãn hoàn toàn */
  }

  .page-support__options-grid,
  .page-support__links-grid,
  .page-support__why-list {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-support__option-card,
  .page-support__policy-link,
  .page-support__why-item,
  .page-support__faq-item {
    padding: 20px;
    min-height: unset;
  }

  .page-support__option-icon,
  .page-support__why-icon {
    width: 100px;
    height: 100px;
    margin-bottom: 15px;
    min-width: 200px !important;
    min-height: 200px !important;
  }

  .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 {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  
  .page-support__video-section {
    padding-top: 10px !important; /* body đã承担 --header-offset，此处禁止 var(--header-offset) */
  }

  .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;
  }
}

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

.page-support__dark-bg {
  background-color: var(--background-color);
  color: var(--text-main);
}

.page-support__dark-section {
  background-color: var(--deep-green);
  color: var(--text-main);
}

.page-support__card {
  background-color: var(--card-bg);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.page-support p,
.page-support li {
  color: var(--text-secondary);
}

.page-support__section-title {
  color: var(--text-main);
}

.page-support__option-title,
.page-support__why-item-title {
  color: var(--text-main);
}

.page-support__policy-link {
  color: var(--text-main);
}

.page-support__faq-question {
  color: var(--text-main);
}

.page-support__faq-toggle {
  color: var(--glow-color);
}

.page-support__btn-link {
  color: var(--gold-color);
}

.page-support__btn-link:hover {
  color: var(--glow-color);
}