/* style/support.css */
/* body đã padding-top: var(--header-offset) từ shared.css, không lặp lại ở đây */

:root {
  --primary-color: #F2C14E;
  --secondary-color: #FFD36B;
  --card-bg-color: #111111;
  --background-color: #0A0A0A;
  --text-main-color: #FFF6D6;
  --border-color: #3A2A12;
  --glow-color: #FFD36B;
  --button-gradient: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%);
}

.page-support {
  font-family: Arial, sans-serif;
  color: var(--text-main-color); /* Toàn bộ trang sử dụng màu chữ chính */
  background-color: var(--background-color);
  line-height: 1.6;
}

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

.page-support__section-title {
  font-size: 2.5em;
  color: var(--secondary-color);
  text-align: center;
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.2;
}

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

/* Hero Section */
.page-support__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: 10px; /* Small top padding, body handles --header-offset */
  padding-bottom: 60px;
  overflow: hidden;
}

.page-support__hero-image-container {
  width: 100%;
  max-height: 700px; /* Limit image height */
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-support__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: brightness(0.7); /* Slightly darken for text contrast */
}

.page-support__hero-content-wrapper {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  max-width: 900px;
  padding: 20px;
  box-sizing: border-box;
  text-align: center;
  z-index: 1;
}

.page-support__hero-content {
  background: rgba(0, 0, 0, 0.6); /* Semi-transparent background for text readability */
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

.page-support__main-title {
  font-size: clamp(2em, 4vw, 3.5em); /* Responsive H1 font size */
  color: var(--secondary-color);
  margin-bottom: 15px;
  font-weight: bold;
  line-height: 1.2;
  text-shadow: 0 0 8px rgba(255, 211, 107, 0.5);
}

.page-support__description {
  font-size: clamp(1em, 1.5vw, 1.2em);
  color: var(--text-main-color);
  margin-bottom: 30px;
}

.page-support__cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.page-support__btn-primary,
.page-support__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: all 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
}

.page-support__btn-primary {
  background: var(--button-gradient);
  color: #ffffff; /* Luôn dùng màu trắng cho chữ nút chính */
  border: none;
  box-shadow: 0 4px 15px rgba(255, 211, 107, 0.4);
}

.page-support__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(255, 211, 107, 0.6);
}

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

.page-support__btn-secondary:hover {
  background-color: var(--secondary-color);
  color: var(--card-bg-color); /* Màu nền thẻ tối, nên dùng màu chữ tối */
  transform: translateY(-3px);
}

/* Channels Section */
.page-support__channels-section {
  padding: 80px 0;
  background-color: var(--card-bg-color);
  text-align: center;
}

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

.page-support__channel-card {
  background-color: #1a1a1a;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  text-align: center;
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease;
}

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

.page-support__channel-icon {
  width: 200px; /* Min size 200x200px */
  height: auto;
  object-fit: contain;
  margin-bottom: 20px;
  filter: drop-shadow(0 0 8px var(--glow-color));
}

.page-support__card-title {
  font-size: 1.5em;
  color: var(--secondary-color);
  margin-bottom: 15px;
  font-weight: bold;
}

.page-support__card-text {
  font-size: 1em;
  color: #cccccc;
  margin-bottom: 25px;
}

.page-support__channel-link {
  display: inline-block;
  background: var(--button-gradient);
  color: #ffffff;
  padding: 10px 20px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: background 0.3s ease;
}

.page-support__channel-link:hover {
  filter: brightness(1.1);
}

/* FAQ Section */
.page-support__faq-section {
  padding: 80px 0;
  background-color: var(--background-color);
}

.page-support__faq-list {
  margin-top: 40px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-support__faq-item {
  background-color: var(--card-bg-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.page-support__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  font-size: 1.2em;
  font-weight: bold;
  color: var(--text-main-color);
  background-color: #1a1a1a;
  border-bottom: 1px solid var(--border-color);
  list-style: none; /* Remove default marker for details */
}

.page-support__faq-question::-webkit-details-marker {
  display: none; /* Remove default marker for details in WebKit */
}

.page-support__faq-question:hover {
  background-color: #222222;
}

.page-support__faq-toggle {
  font-size: 1.5em;
  font-weight: normal;
  color: var(--secondary-color);
  transition: transform 0.3s ease;
}

.page-support__faq-item[open] .page-support__faq-toggle {
  transform: rotate(45deg);
}

.page-support__faq-answer {
  padding: 20px 25px;
  font-size: 1em;
  color: #cccccc;
  line-height: 1.8;
}

.page-support__faq-answer p {
  margin-bottom: 10px;
}

.page-support__faq-answer a {
  color: var(--secondary-color);
  text-decoration: none;
}

.page-support__faq-answer a:hover {
  text-decoration: underline;
}

/* Guides Section */
.page-support__guides-section {
  padding: 80px 0;
  background-color: var(--card-bg-color);
}

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

.page-support__guide-card {
  background-color: #1a1a1a;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
}

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

.page-support__guide-image {
  width: 100%;
  height: 250px; /* Ensure content images are large enough */
  object-fit: cover;
  display: block;
}

.page-support__guide-card .page-support__card-title {
  padding: 15px 20px 0;
  font-size: 1.3em;
  text-align: left;
}

.page-support__guide-card .page-support__card-title a {
  color: var(--secondary-color);
  text-decoration: none;
}

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

.page-support__guide-card .page-support__card-text {
  padding: 0 20px 15px;
  text-align: left;
  font-size: 0.95em;
}

.page-support__guide-card .page-support__channel-link {
  display: block;
  text-align: center;
  background: var(--button-gradient);
  color: #ffffff;
  padding: 12px 20px;
  border-radius: 0 0 10px 10px;
  text-decoration: none;
  font-weight: bold;
  transition: background 0.3s ease;
}

.page-support__guide-card .page-support__channel-link:hover {
  filter: brightness(1.1);
}

.page-support__full-blog-link {
  text-align: center;
  margin-top: 50px;
}

/* Commitment Section */
.page-support__commitment-section {
  padding: 80px 0;
  background-color: var(--background-color);
}

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

.page-support__commitment-item {
  background-color: var(--card-bg-color);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  text-align: center;
  border: 1px solid var(--border-color);
}

.page-support__commitment-icon {
  width: 200px; /* Min size 200x200px */
  height: auto;
  object-fit: contain;
  margin-bottom: 20px;
  filter: drop-shadow(0 0 8px var(--glow-color));
}

/* Download CTA Section */
.page-support__download-cta-section {
  padding: 80px 0;
  text-align: center;
}

.page-support__dark-bg {
  background-color: var(--primary-color);
  color: #ffffff; /* Luôn dùng màu trắng cho nền tối */
  padding: 60px 20px;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

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

.page-support__dark-bg .page-support__section-description {
  color: #f0f0f0;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-support__hero-content-wrapper {
    max-width: 768px;
  }

  .page-support__main-title {
    font-size: clamp(2em, 5vw, 3em);
  }

  .page-support__description {
    font-size: clamp(0.9em, 1.8vw, 1.1em);
  }
}

@media (max-width: 768px) {
  .page-support__container {
    padding: 0 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

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

  .page-support__hero-content-wrapper {
    position: static;
    transform: none;
    margin-top: 20px;
    padding: 0 15px;
  }

  .page-support__hero-content {
    background: rgba(0, 0, 0, 0.7);
    padding: 20px;
  }

  .page-support__main-title {
    font-size: clamp(1.8em, 7vw, 2.5em);
    margin-bottom: 10px;
  }

  .page-support__description {
    font-size: clamp(0.9em, 3vw, 1em);
    margin-bottom: 20px;
  }

  .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: 12px 20px;
    font-size: 1em;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-support__section-title {
    font-size: 2em;
    margin-bottom: 15px;
  }

  .page-support__section-description {
    font-size: 1em;
    margin-bottom: 30px;
  }

  .page-support__channels-section,
  .page-support__faq-section,
  .page-support__guides-section,
  .page-support__commitment-section,
  .page-support__download-cta-section {
    padding: 40px 0;
  }

  .page-support__channel-grid,
  .page-support__guide-grid,
  .page-support__commitment-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-support__faq-question {
    font-size: 1.1em;
    padding: 15px 20px;
  }

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

  /* Force images to be responsive */
  .page-support img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  /* Ensure all containers containing images, videos, buttons are responsive */
  .page-support__section,
  .page-support__card,
  .page-support__container,
  .page-support__channel-card,
  .page-support__guide-card,
  .page-support__commitment-item,
  .page-support__hero-image-container,
  .page-support__download-cta-section .page-support__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }
  
  /* Video specific mobile styles */
  .page-support video,
  .page-support__video {
    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;
  }
}

@media (max-width: 480px) {
  .page-support__main-title {
    font-size: clamp(1.5em, 8vw, 2em);
  }

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

  .page-support__btn-primary,
  .page-support__btn-secondary {
    font-size: 0.95em;
  }
}