/* style/support.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần lặp lại để tránh double padding. */

:root {
  --primary-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 {
  background-color: var(--background-color);
  color: var(--text-main); /* Default text color for the page */
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

.page-support__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 10px 0 60px 0; /* body đã có padding-top, chỉ cần 10px để trang trí */
  overflow: hidden;
}

.page-support__hero-image-wrapper {
  width: 100%;
  position: relative;
  z-index: 1;
}

.page-support__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  max-height: 500px; /* Limit height for hero image */
}

.page-support__hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  padding: 40px 20px;
  margin-top: -100px; /* Pull content up slightly over the image for visual flow */
  background: linear-gradient(180deg, rgba(8, 22, 15, 0.8) 0%, var(--background-color) 100%);
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.page-support__hero-title {
  color: var(--gold-color);
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
  text-shadow: 0 2px 5px rgba(0,0,0,0.5);
}

.page-support__hero-description {
  font-size: 1.1rem;
  color: var(--text-main);
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.page-support__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  color: var(--gold-color);
  text-align: center;
  margin-bottom: 40px;
  font-weight: 700;
  text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.page-support__section-intro {
  font-size: 1.05rem;
  color: var(--text-secondary);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 60px auto;
}

.page-support__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  box-sizing: border-box;
}

/* Buttons */
.page-support__cta-button {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  cursor: pointer;
  text-align: center;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-support__btn-primary {
  background: var(--button-gradient);
  color: var(--text-main);
  border: none;
  margin: 0 10px;
}

.page-support__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 15px rgba(0, 255, 100, 0.3);
}

.page-support__btn-secondary {
  background: none;
  color: var(--secondary-color);
  border: 2px solid var(--secondary-color);
  margin: 0 10px;
}

.page-support__btn-secondary:hover {
  background: rgba(34, 199, 104, 0.1);
  transform: translateY(-3px);
  box-shadow: 0 8px 15px rgba(0, 255, 100, 0.2);
}

.page-support__button-group {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
  flex-wrap: wrap;
}

/* Channels Section */
.page-support__channels-section {
  background-color: var(--background-color);
  padding: 80px 0;
  border-top: 1px solid var(--divider-color);
}

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

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

.page-support__channel-card:hover {
  transform: translateY(-5px);
}

.page-support__channel-icon {
  width: 120px;
  height: 120px;
  object-fit: contain;
  margin-bottom: 20px;
  border-radius: 8px;
  min-width: 200px;
  min-height: 200px;
}

.page-support__channel-title {
  font-size: 1.5rem;
  color: var(--text-main);
  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__channel-contact {
  font-size: 1.1rem;
  color: var(--gold-color);
  font-weight: 600;
  margin-bottom: 20px;
}

.page-support__email-link, .page-support__phone-link {
  color: var(--gold-color);
  text-decoration: none;
}

.page-support__email-link:hover, .page-support__phone-link:hover {
  text-decoration: underline;
}

/* FAQ Section */
.page-support__faq-section {
  background-color: #111e17; /* Slightly lighter than main bg for contrast */
  padding: 80px 0;
  border-top: 1px solid var(--divider-color);
  color: var(--text-main);
}

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

.page-support__faq-item {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-support__faq-item summary {
  list-style: none; /* Remove default marker */
  cursor: pointer;
  padding: 20px 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-main);
  background-color: var(--deep-green);
  transition: background-color 0.3s ease;
}

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

.page-support__faq-item summary:hover {
  background-color: var(--primary-color);
}

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

.page-support__faq-toggle {
  font-size: 1.8rem;
  line-height: 1;
  margin-left: 20px;
  color: var(--gold-color);
}

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

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

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

/* Guides Section */
.page-support__guides-section {
  background-color: var(--background-color);
  padding: 80px 0;
  border-top: 1px solid var(--divider-color);
}

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

.page-support__guide-card {
  background-color: var(--card-bg);
  padding: 25px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-support__guide-card:hover {
  transform: translateY(-5px);
}

.page-support__guide-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  min-width: 200px;
  min-height: 200px;
}

.page-support__guide-title {
  font-size: 1.4rem;
  color: var(--text-main);
  margin-bottom: 10px;
  font-weight: 600;
}

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

/* Tips Section */
.page-support__tips-section {
  background-color: #111e17; /* Slightly lighter for contrast */
  padding: 80px 0;
  border-top: 1px solid var(--divider-color);
  color: var(--text-main);
}

.page-support__tips-list {
  max-width: 900px;
  margin: 0 auto 50px auto;
  list-style: none;
  padding: 0;
}

.page-support__tips-list li {
  background-color: var(--deep-green);
  padding: 15px 25px;
  margin-bottom: 10px;
  border-radius: 8px;
  font-size: 1rem;
  color: var(--text-main);
  border-left: 5px solid var(--primary-color);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.page-support__subtitle {
  font-size: 1.8rem;
  color: var(--gold-color);
  text-align: center;
  margin-top: 60px;
  margin-bottom: 20px;
  font-weight: 600;
}

.page-support__contact-text {
  font-size: 1.05rem;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 30px;
}

.page-support__contact-links {
  list-style: none;
  padding: 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 60px;
}

.page-support__contact-links li a {
  color: var(--secondary-color);
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 500;
  transition: color 0.3s ease;
}

.page-support__contact-links li a:hover {
  color: var(--gold-color);
  text-decoration: underline;
}

.page-support__final-cta {
  text-align: center;
  background-color: var(--deep-green);
  padding: 40px;
  border-radius: 15px;
  border: 1px solid var(--border-color);
  max-width: 800px;
  margin: 0 auto;
  box-shadow: 0 5px 20px rgba(0,0,0,0.3);
}

.page-support__final-cta-text {
  font-size: 1.3rem;
  color: var(--text-main);
  margin-bottom: 30px;
  font-weight: 600;
}

.page-support__text-link {
  color: var(--secondary-color);
  text-decoration: underline;
}

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

/* Responsive Design */
@media (max-width: 1024px) {
  .page-support__hero-title {
    font-size: clamp(2rem, 5vw, 2.8rem);
  }
  .page-support__hero-description {
    font-size: 1rem;
  }
  .page-support__section-title {
    font-size: clamp(1.6rem, 4.5vw, 2.2rem);
  }
}

@media (max-width: 768px) {
  .page-support__hero-content {
    padding: 30px 15px;
    margin-top: -60px;
  }
  .page-support__hero-image {
    max-height: 400px;
  }
  .page-support__cta-button {
    padding: 12px 20px;
    font-size: 1rem;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    margin: 10px 0 !important; /* Stack buttons */
  }
  .page-support__button-group {
    flex-direction: column;
    gap: 10px;
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
  .page-support__container {
    padding: 30px 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-support__channel-grid, .page-support__guide-grid {
    grid-template-columns: 1fr;
  }
  .page-support__channel-card, .page-support__guide-card {
    padding: 20px;
  }
  .page-support__channel-icon, .page-support__guide-image {
    min-width: 200px;
    min-height: 200px;
  }
  .page-support__faq-item summary {
    font-size: 1rem;
    padding: 15px 20px;
  }
  .page-support__faq-answer {
    padding: 15px 20px;
  }
  .page-support__tips-list li {
    padding: 12px 20px;
  }
  .page-support__contact-links {
    flex-direction: column;
    align-items: center;
  }

  /* Mobile specific image and video responsiveness */
  .page-support img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .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;
  }
  .page-support__channel-icon, .page-support__guide-image {
    width: 100%; /* Ensure images inside cards are also responsive */
    height: auto;
  }
}

@media (max-width: 480px) {
  .page-support__hero-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
  }
  .page-support__hero-description {
    font-size: 0.9rem;
  }
  .page-support__section-title {
    font-size: clamp(1.4rem, 5.5vw, 2rem);
  }
  .page-support__channel-icon, .page-support__guide-image {
    width: 100%; /* Ensure images inside cards are also responsive */
    height: auto;
  }
  .page-support__hero-image {
    max-height: 300px;
  }
}