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

:root {
  --primary-color: #11A84E;
  --secondary-color: #22C768;
  --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-color: #0A4B2C;
  --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
}

.page-support {
  font-family: 'Arial', sans-serif;
  color: var(--text-main); /* Mặc định chữ sáng trên nền tối */
  background-color: var(--background-color);
  line-height: 1.6;
}

.page-support__section {
  padding: 60px 20px;
  text-align: center;
}

.page-support__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px; /* Thêm padding ngang cho container */
  box-sizing: border-box;
}

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

.page-support__light-bg {
  background-color: #f8f9fa;
  color: #333333;
}

.page-support__section-title {
  font-size: 2.8em;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--gold-color);
  line-height: 1.2;
}

.page-support__section-intro {
  font-size: 1.1em;
  color: var(--text-secondary);
  max-width: 800px;
  margin: 0 auto 40px auto;
}

/* Hero Section */
.page-support__hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 10px 0 60px 0; /* Padding top nhỏ, body đã xử lý offset */
}

.page-support__hero-image-wrapper {
  position: relative;
  width: 100%;
  height: 500px; /* Chiều cao cố định cho desktop */
  margin-bottom: 30px;
  overflow: hidden;
}

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

.page-support__hero-content {
  position: relative;
  z-index: 10;
  max-width: 900px;
  padding: 0 20px;
  text-align: center;
}

.page-support__main-title {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--gold-color); /* Sử dụng màu vàng cho H1 */
  text-shadow: 0 0 10px rgba(87, 227, 141, 0.5);
}

.page-support__hero-description {
  font-size: 1.2em;
  margin-bottom: 30px;
  color: var(--text-main);
}

.page-support__cta-button {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 1.1em;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

.page-support__btn-primary {
  background: var(--button-gradient);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(34, 199, 104, 0.4);
}

.page-support__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(34, 199, 104, 0.6);
}

.page-support__btn-secondary {
  background: var(--background-color);
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  margin-left: 15px;
}

.page-support__btn-secondary:hover {
  background-color: var(--primary-color);
  color: #ffffff;
  transform: translateY(-3px);
}

/* Why Choose Section */
.page-support__why-choose .page-support__section-title {
  color: var(--primary-color);
}

.page-support__why-choose .page-support__section-intro {
  color: #555555;
}

.page-support__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-support__feature-item {
  background-color: #ffffff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  text-align: center;
  transition: transform 0.3s ease;
  border: 1px solid #e0e0e0;
}

.page-support__feature-item:hover {
  transform: translateY(-5px);
}

.page-support__feature-icon {
  width: 100%;
  height: auto;
  max-width: 200px;
  margin-bottom: 20px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.page-support__feature-title {
  font-size: 1.5em;
  color: var(--primary-color);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-support__feature-description {
  color: #666666;
  font-size: 0.95em;
}

/* Channels Section */
.page-support__channels .page-support__section-title {
  color: var(--gold-color);
}

.page-support__channels .page-support__section-intro {
  color: var(--text-secondary);
}

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

.page-support__channel-item {
  background-color: var(--card-bg);
  color: var(--text-main);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color);
}

.page-support__channel-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(34, 199, 104, 0.3);
}

.page-support__channel-image {
  width: 100%;
  height: auto;
  max-width: 300px;
  margin-bottom: 20px;
  border-radius: 8px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.page-support__channel-title {
  font-size: 1.4em;
  color: var(--text-main);
  margin-bottom: 15px;
  font-weight: 600;
}

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

.page-support__link-button {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 6px;
  font-size: 0.95em;
  font-weight: 500;
  text-decoration: none;
  background: var(--button-gradient);
  color: #ffffff;
  transition: background-color 0.3s ease;
}

.page-support__link-button:hover {
  opacity: 0.9;
}

/* How To Use Section */
.page-support__how-to-use .page-support__section-title {
  color: var(--primary-color);
}

.page-support__how-to-use .page-support__section-intro {
  color: #555555;
}

.page-support__steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
  margin-bottom: 40px;
}

.page-support__step-item {
  background-color: #ffffff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  text-align: left;
  border: 1px solid #e0e0e0;
}

.page-support__step-number {
  font-size: 1.8em;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.page-support__step-description {
  color: #666666;
  font-size: 0.95em;
}

.page-support__process-image {
  width: 100%;
  height: auto;
  max-width: 800px;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  margin-top: 20px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

/* Common Issues Section */
.page-support__common-issues .page-support__section-title {
  color: var(--gold-color);
}

.page-support__common-issues .page-support__section-intro {
  color: var(--text-secondary);
}

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

.page-support__issue-card {
  background-color: var(--card-bg);
  color: var(--text-main);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  text-align: left;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color);
}

.page-support__issue-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(34, 199, 104, 0.3);
}

.page-support__issue-title {
  font-size: 1.4em;
  color: var(--text-main);
  margin-bottom: 15px;
  font-weight: 600;
}

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

/* Commitment Section */
.page-support__commitment .page-support__section-title {
  color: var(--primary-color);
}

.page-support__commitment .page-support__section-intro {
  color: #555555;
}

.page-support__commitment-points {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-support__commitment-item {
  background-color: #ffffff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  text-align: center;
  transition: transform 0.3s ease;
  border: 1px solid #e0e0e0;
}

.page-support__commitment-item:hover {
  transform: translateY(-5px);
}

.page-support__commitment-icon {
  width: 100%;
  height: auto;
  max-width: 150px;
  margin-bottom: 20px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.page-support__commitment-title {
  font-size: 1.5em;
  color: var(--primary-color);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-support__commitment-description {
  color: #666666;
  font-size: 0.95em;
}

/* FAQ Section */
.page-support__faq-section .page-support__section-title {
  color: var(--gold-color);
}

.page-support__faq-section .page-support__section-intro {
  color: var(--text-secondary);
}

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

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

.page-support__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.15em;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-main);
  transition: background-color 0.3s ease;
}

.page-support__faq-question:hover {
  background-color: rgba(34, 199, 104, 0.1);
}

.page-support__faq-toggle {
  font-size: 1.5em;
  font-weight: 700;
  color: var(--gold-color);
  margin-left: 15px;
}

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

.page-support__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 1em;
  color: var(--text-secondary);
}

.page-support__faq-answer p {
  margin: 0;
  color: var(--text-secondary);
}

/* details summary reset */
.page-support__faq-item summary {
  list-style: none;
}

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

/* CTA Bottom Section */
.page-support__cta-bottom {
  padding: 80px 20px;
}

.page-support__cta-flex-container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-support__cta-title {
  color: var(--primary-color);
  font-size: 3em;
}

.page-support__cta-description {
  color: #555555;
  font-size: 1.2em;
  margin-bottom: 40px;
}

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

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-support__section-title {
    font-size: 2.2em;
  }
  .page-support__hero-image-wrapper {
    height: 400px;
  }
}

@media (max-width: 768px) {
  .page-support__section {
    padding: 40px 15px;
  }

  .page-support__container {
    padding: 0 10px;
  }

  .page-support__section-title {
    font-size: 1.8em;
    margin-bottom: 15px;
  }

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

  .page-support__hero-section {
    padding: 10px 0 40px 0;
  }

  .page-support__hero-image-wrapper {
    height: 300px;
    margin-bottom: 20px;
  }

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

  .page-support__hero-description {
    font-size: 1em;
    margin-bottom: 25px;
  }

  .page-support__cta-button {
    padding: 12px 25px;
    font-size: 1em;
    width: 100%; /* Nút full width trên mobile */
    margin: 0 0 10px 0 !important; /* Đảm bảo nút không có margin ngang */
  }

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

  .page-support__features-grid,
  .page-support__channels-grid,
  .page-support__steps-grid,
  .page-support__issues-grid,
  .page-support__commitment-points {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-support__feature-item,
  .page-support__channel-item,
  .page-support__step-item,
  .page-support__issue-card,
  .page-support__commitment-item {
    padding: 20px;
  }

  .page-support__feature-title,
  .page-support__channel-title,
  .page-support__issue-title,
  .page-support__commitment-title {
    font-size: 1.3em;
  }

  .page-support__faq-question {
    padding: 15px 20px;
    font-size: 1em;
  }

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

  .page-support__cta-title {
    font-size: 2.2em;
  }

  .page-support__cta-description {
    font-size: 1em;
  }
  
  /* 强制图片响应式 */
  .page-support img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  /* 强制容器响应式 */
  .page-support__section,
  .page-support__card,
  .page-support__container,
  .page-support__hero-section,
  .page-support__hero-image-wrapper,
  .page-support__hero-content,
  .page-support__features-grid,
  .page-support__channels-grid,
  .page-support__steps-grid,
  .page-support__issues-grid,
  .page-support__commitment-points,
  .page-support__faq-list,
  .page-support__cta-buttons {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow-x: hidden; /* Ngăn chặn tràn ngang */
  }
  .page-support__hero-section { padding-left: 0 !important; padding-right: 0 !important; }
  .page-support__hero-image-wrapper { padding-left: 0 !important; padding-right: 0 !important; }
  .page-support__process-image { margin-left: auto !important; margin-right: auto !important; }
  .page-support__feature-icon, .page-support__channel-image, .page-support__commitment-icon { max-width: 150px !important; }

}

@media (max-width: 480px) {
  .page-support__main-title {
    font-size: 1.8em;
  }
  .page-support__hero-image-wrapper {
    height: 250px;
  }
  .page-support__cta-title {
    font-size: 1.8em;
  }
}