.page-support {
  background-color: #08160F; /* Background */
  color: #F2FFF6; /* Text Main */
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

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

.page-support__container--center {
  text-align: center;
}

.page-support__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 0 60px 0; /* body đã có padding-top */
  color: #F2FFF6;
  overflow: hidden;
}

.page-support__hero-image-wrapper {
  width: 100%;
  max-height: 500px; /* Limit height for hero image */
  overflow: hidden;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
}

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

.page-support__hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 40px 20px;
  background: rgba(0, 0, 0, 0.5); /* Overlay for readability */
  border-radius: 10px;
  max-width: 900px;
  margin-top: 100px; /* Adjust to ensure content is below image, and not overlapping */
}

.page-support__main-title {
  font-size: clamp(2em, 4vw, 3.5em);
  font-weight: bold;
  margin-bottom: 20px;
  color: #F2C14E; /* Gold */
  line-height: 1.2;
}

.page-support__intro-text {
  font-size: 1.1em;
  margin-bottom: 30px;
  color: #A7D9B8; /* Text Secondary */
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-support__cta-button {
  display: inline-block;
  padding: 15px 30px;
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%); /* Button */
  color: #F2FFF6; /* Text Main */
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
  transition: background 0.3s ease;
  border: none;
  cursor: pointer;
}

.page-support__cta-button:hover {
  background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
}

.page-support__cta-button--large {
  font-size: 1.2em;
  padding: 18px 35px;
}

.page-support__section {
  padding: 60px 0;
  border-bottom: 1px solid #1E3A2A; /* Divider */
}

.page-support__section-title {
  font-size: 2.5em;
  color: #F2C14E; /* Gold */
  text-align: center;
  margin-bottom: 20px;
  font-weight: bold;
}

.page-support__section-description {
  font-size: 1.1em;
  color: #A7D9B8; /* Text Secondary */
  text-align: center;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

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

.page-support__faq-item {
  background-color: #11271B; /* Card BG */
  border: 1px solid #2E7A4E; /* Border */
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: #F2FFF6;
}

.page-support__faq-item details > summary {
  list-style: none;
  cursor: pointer;
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: bold;
  font-size: 1.1em;
  color: #F2FFF6;
  background-color: #11A84E; /* Main color */
  transition: background-color 0.3s ease;
}

.page-support__faq-item details > summary:hover {
  background-color: #22C768; /* Accent color */
}

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

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

.page-support__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 15px;
}

.page-support__faq-answer {
  padding: 20px;
  background-color: #0A4B2C; /* Deep Green */
  color: #F2FFF6;
  border-top: 1px solid #2E7A4E;
}

.page-support__faq-answer p {
  margin-bottom: 15px;
  color: #F2FFF6;
}

.page-support__faq-image {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 20px auto;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-support__btn-secondary {
  display: inline-block;
  padding: 10px 20px;
  background-color: #F2FFF6; /* Text Main as background */
  color: #11A84E; /* Main color as text */
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  transition: background-color 0.3s ease, color 0.3s ease;
  border: 2px solid #11A84E;
  cursor: pointer;
}

.page-support__btn-secondary:hover {
  background-color: #11A84E;
  color: #F2FFF6;
}

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

.page-support__contact-card {
  background-color: #11271B; /* Card BG */
  border: 1px solid #2E7A4E; /* Border */
  border-radius: 8px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  color: #F2FFF6;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-support__contact-icon {
  width: 100%;
  max-width: 200px;
  height: auto;
  margin-bottom: 20px;
  border-radius: 5px;
}

.page-support__card-title {
  font-size: 1.5em;
  color: #F2C14E; /* Gold */
  margin-bottom: 15px;
}

.page-support__card-title a {
  color: #F2C14E;
  text-decoration: none;
}

.page-support__card-title a:hover {
  text-decoration: underline;
}

.page-support__card-text {
  color: #A7D9B8; /* Text Secondary */
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-support__btn-primary {
  display: inline-block;
  padding: 12px 25px;
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%); /* Button */
  color: #F2FFF6; /* Text Main */
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
  transition: background 0.3s ease;
  border: none;
  cursor: pointer;
  margin-top: auto; /* Push button to bottom */
}

.page-support__btn-primary:hover {
  background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
}

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

.page-support__guide-card {
  background-color: #11271B; /* Card BG */
  border: 1px solid #2E7A4E; /* Border */
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  color: #F2FFF6;
  display: flex;
  flex-direction: column;
}

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

.page-support__guide-card .page-support__card-title {
  padding: 15px 20px 0;
  margin-bottom: 10px;
  font-size: 1.3em;
}

.page-support__guide-card .page-support__card-text {
  padding: 0 20px 15px;
  color: #A7D9B8;
  flex-grow: 1;
}

.page-support__guide-card .page-support__btn-secondary {
  margin: 0 20px 20px;
  align-self: flex-start;
}

.page-support__promo-cta-section {
  text-align: center;
  padding: 80px 20px;
  background-color: #0A4B2C; /* Deep Green */
  border-top: 1px solid #1E3A2A;
}

.page-support__promo-cta-section .page-support__section-title {
  color: #F2C14E;
}

.page-support__promo-cta-section .page-support__section-description {
  color: #F2FFF6;
  margin-bottom: 40px;
}

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

  .page-support__container {
    padding: 15px;
  }

  .page-support__hero-section {
    padding-top: 10px !important;
    padding-bottom: 40px;
  }

  .page-support__hero-content {
    margin-top: 50px;
    padding: 20px;
  }

  .page-support__main-title {
    font-size: 1.8em;
  }

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

  .page-support__cta-button, .page-support__cta-button--large {
    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;
  }

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

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

  .page-support__section-description {
    font-size: 1em;
  }

  .page-support__faq-item details > summary {
    font-size: 1em;
    padding: 15px;
  }

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

  .page-support__faq-image, .page-support__contact-icon, .page-support__guide-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-support__contact-methods, .page-support__guides-grid {
    grid-template-columns: 1fr;
  }

  .page-support__contact-card, .page-support__guide-card {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-support__btn-primary, .page-support__btn-secondary {
    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;
  }

  .page-support__guide-card .page-support__card-title, .page-support__guide-card .page-support__card-text, .page-support__guide-card .page-support__btn-secondary {
    margin-left: 0;
    margin-right: 0;
    padding-left: 15px;
    padding-right: 15px;
  }
}

/* Contrast Fixes */
.page-support p, .page-support li, .page-support__card-text {
  color: #F2FFF6; /* Ensure light text on dark background */
}

.page-support__dark-bg {
  color: #ffffff;
  background: #11A84E;
}

.page-support__light-bg {
  color: #333333;
  background: #ffffff;
}

.page-support__medium-bg {
  color: #000000;
  background: #22C768;
}

.page-support__content-area, .page-support__text-block {
  color: #F2FFF6;
}

.page-support__card {
  background: #11271B;
  color: #F2FFF6;
  border: 1px solid #2E7A4E;
}

.page-support__dark-section {
  background: #11A84E;
  color: #ffffff;
}

.page-support__btn-primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #ffffff;
  border: 2px solid transparent;
}

.page-support__btn-secondary {
  background: #F2FFF6;
  color: #11A84E;
  border: 2px solid #11A84E;
}