/* style/support.css */
/* body đã padding-top: var(--header-offset)；trang này không được viết lại biến đó */

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

.page-support {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--color-text-main); /* Mặc định cho nền tối */
  background-color: var(--color-bg-main);
  overflow-x: hidden; /* Ngăn chặn tràn ngang */
}

.page-support__section {
  padding: 60px 0;
  text-align: center;
}

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

.page-support__light-bg {
  background-color: #0d1e16; /* Một sắc thái xanh lá cây đậm hơn để tạo sự tương phản nhẹ */
  color: var(--color-text-main);
}

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

.page-support__section-title {
  font-size: 2.5em;
  color: var(--color-gold);
  margin-bottom: 20px;
  font-weight: bold;
  letter-spacing: 1px;
}

.page-support__section-description {
  font-size: 1.1em;
  color: var(--color-text-secondary);
  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;
  min-height: 600px;
  overflow: hidden;
  padding-top: 10px; /* Nhỏ thôi, body đã có padding-top */
  background-color: var(--color-bg-main);
}

.page-support__hero-image-wrapper {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
}

.page-support__hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3; /* Làm mờ ảnh để chữ nổi bật */
  filter: brightness(0.7); /* Tối ảnh */
}

.page-support__hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: 40px;
  border-radius: 15px;
  background: rgba(8, 22, 15, 0.8); /* Nền mờ cho nội dung */
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
  margin-top: 50px;
  margin-bottom: 50px;
}

.page-support__hero-title {
  font-size: clamp(2.2em, 4vw, 3.5em); /* H1 không fixed font-size */
  color: var(--color-gold);
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.2;
  letter-spacing: 1px;
  text-shadow: 0 0 10px rgba(87, 227, 141, 0.5);
}

.page-support__hero-description {
  font-size: 1.2em;
  color: var(--color-text-main);
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* CTA Button */
.page-support__cta-button {
  display: inline-block;
  background: var(--color-button-gradient);
  color: #ffffff;
  padding: 15px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  border: none;
  cursor: pointer;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-support__cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
  filter: brightness(1.1);
}

.page-support__cta-button--secondary {
  background: var(--color-bg-main);
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.page-support__cta-button--secondary:hover {
  background: var(--color-primary);
  color: #ffffff;
}

.page-support__cta-button--small {
  padding: 10px 20px;
  font-size: 1em;
}

/* Card Styles */
.page-support__card {
  background-color: var(--color-card-bg);
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  text-align: left;
  border: 1px solid var(--color-border);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 100%; /* Đảm bảo chiều cao đồng nhất */
  display: flex;
  flex-direction: column;
}

.page-support__card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

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

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

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

.page-support__card-text {
  color: var(--color-text-secondary);
  font-size: 1em;
  flex-grow: 1; /* Đẩy link xuống dưới */
}

.page-support__card-link {
  display: inline-block;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: bold;
  margin-top: 15px;
  transition: color 0.3s ease;
}

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

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

/* FAQ Section */
.page-support__faq-section {
  padding-bottom: 80px;
}

.page-support__faq-image {
  max-width: 600px;
  width: 100%;
  height: auto;
  margin: 40px auto;
  border-radius: 10px;
  object-fit: cover;
  display: block; /* Đảm bảo hình ảnh là block để căn giữa */
}

.page-support__faq-list {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.page-support__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 30px;
  font-size: 1.2em;
  font-weight: bold;
  color: var(--color-text-main);
  cursor: pointer;
  background-color: rgba(17, 168, 78, 0.1); /* Màu nền nhẹ cho câu hỏi */
  border-bottom: 1px solid var(--color-divider);
  transition: background-color 0.3s ease;
  list-style: none; /* For <details> summary */
}

.page-support__faq-question::-webkit-details-marker {
  display: none; /* For <details> summary */
}

.page-support__faq-question:hover {
  background-color: rgba(17, 168, 78, 0.2);
}

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

.page-support__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 20px;
  color: var(--color-gold);
}

.page-support__faq-answer {
  padding: 20px 30px;
  font-size: 1.1em;
  color: var(--color-text-secondary);
  text-align: left;
}

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

.page-support__faq-answer .page-support__card-link {
  margin-top: 0;
}

/* Contact Methods */
.page-support__contact-image {
  max-width: 600px;
  width: 100%;
  height: auto;
  margin: 40px auto;
  border-radius: 10px;
  object-fit: cover;
  display: block;
}

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

/* Resources Section */
.page-support__resources-image {
  max-width: 800px;
  width: 100%;
  height: auto;
  margin: 40px auto;
  border-radius: 10px;
  object-fit: cover;
  display: block;
}

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

.page-support__button-group {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 20px;
  flex-wrap: wrap; /* Cho phép xuống dòng trên di động */
}

/* Safety and Security */
.page-support__security-image {
  max-width: 600px;
  width: 100%;
  height: auto;
  margin: 40px auto;
  border-radius: 10px;
  object-fit: cover;
  display: block;
}

.page-support__security-list {
  list-style: none;
  padding: 0;
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  text-align: left;
}

.page-support__security-item {
  background-color: var(--color-card-bg);
  border-radius: 10px;
  padding: 30px;
  border: 1px solid var(--color-border);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-support__list-title {
  font-size: 1.3em;
  color: var(--color-gold);
  margin-bottom: 10px;
  font-weight: bold;
}

.page-support__list-text {
  color: var(--color-text-secondary);
  font-size: 1em;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-support__hero-content {
    margin-left: 20px;
    margin-right: 20px;
  }
}

@media (max-width: 768px) {
  .page-support__section-title {
    font-size: 2em;
  }

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

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

  .page-support__hero-content {
    padding: 30px 20px;
  }

  .page-support__issues-grid,
  .page-support__contact-grid,
  .page-support__resources-grid,
  .page-support__security-list {
    grid-template-columns: 1fr;
  }

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

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

  /* Mobile image and video responsive */
  .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,
  .page-support__hero-section,
  .page-support__hero-image-wrapper,
  .page-support__hero-content,
  .page-support__issues-grid,
  .page-support__faq-section,
  .page-support__faq-list,
  .page-support__faq-item,
  .page-support__contact-methods,
  .page-support__contact-grid,
  .page-support__resources,
  .page-support__resources-grid,
  .page-support__safety-security,
  .page-support__security-list,
  .page-support__security-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-support__hero-section {
    padding-left: 0;
    padding-right: 0;
  }
  .page-support__hero-content {
    margin-left: 15px;
    margin-right: 15px;
  }

  .page-support__video-section {
    padding-top: 10px !important; /* body đã承担 --header-offset，此处禁止 var(--header-offset) */
  }

  /* Buttons responsive */
  .page-support__cta-button,
  .page-support__btn-primary,
  .page-support__btn-secondary,
  .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;
  }
  
  .page-support__button-group {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-direction: column; /* Stack buttons vertically */
    gap: 15px;
  }
}

/* Ensure no filter on images */
.page-support img {
  filter: none;
}