/* style/support.css */

/* Biến CSS */
:root {
  --primary-color: #FFD700; /* Vàng sang trọng */
  --secondary-color: #8B0000; /* Đỏ rượu vang sâu */
  --text-light: #ffffff;
  --text-dark: #333333;
  --background-dark: #000000;
  --background-light: #f5f5f5;
  --border-color: #e0e0e0;
}

/* Thiết lập chung cho trang hỗ trợ */
.page-support {
  background-color: var(--background-dark); /* Nền tối theo body background */
  color: var(--text-light); /* Chữ sáng cho nền tối */
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  padding-bottom: 60px; /* Đảm bảo không bị footer che */
}

/* Cấu trúc container chung */
.page-support__title-container,
.page-support__faq-container,
.page-support__brand-container,
.page-support__blog-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  box-sizing: border-box;
}

/* Phần tiêu đề chính (Module 1) */
.page-support__title-section {
  text-align: center;
  padding-top: 120px; /* Đảm bảo không bị header cố định che */
  padding-bottom: 60px;
  background: linear-gradient(135deg, rgba(0,0,0,0.9) 0%, rgba(139,0,0,0.8) 100%);
  border-bottom: 2px solid var(--primary-color);
}

.page-support__main-title {
  font-size: 3.2em;
  color: var(--primary-color);
  margin-bottom: 20px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
  font-weight: bold;
}

.page-support__title-description {
  font-size: 1.2em;
  color: var(--text-light);
  max-width: 800px;
  margin: 0 auto 40px auto;
  line-height: 1.8;
}

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

.page-support__cta-button {
  display: inline-block;
  padding: 15px 35px;
  background: var(--primary-color);
  color: var(--text-dark);
  text-decoration: none;
  border-radius: 8px;
  font-size: 1.1em;
  font-weight: bold;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
  border: none;
  cursor: pointer;
  white-space: normal; /* Cho phép xuống dòng */
  word-wrap: break-word; /* Ngắt từ khi quá dài */
}

.page-support__cta-button:hover {
  background: darken(var(--primary-color), 10%);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

/* Phần FAQ (Module 2) */
.page-support__faq-section {
  background-color: #1a1a1a; /* Nền hơi sáng hơn body để tạo lớp */
  padding-top: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255, 215, 0, 0.2);
}

.page-support__faq-title {
  font-size: 2.5em;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 20px;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.page-support__faq-intro-text {
  font-size: 1.1em;
  color: var(--text-light);
  text-align: center;
  max-width: 900px;
  margin: 0 auto 50px auto;
  line-height: 1.7;
}

/* FAQ item styles */
.page-support__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.page-support__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  background: #2a2a2a; /* Nền tối hơn */
  border: 1px solid rgba(255, 215, 0, 0.3);
  border-radius: 8px;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  position: relative;
}

.page-support__faq-question:hover {
  background: #3a3a3a;
  border-color: var(--primary-color);
}

.page-support__faq-question h3 {
  margin: 0;
  padding: 0;
  flex: 1;
  font-size: 1.15em;
  font-weight: 600;
  line-height: 1.5;
  color: var(--primary-color); /* Chữ vàng */
  pointer-events: none;
}

.page-support__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  line-height: 1;
  color: var(--primary-color);
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
  margin-left: 15px;
  pointer-events: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--primary-color);
}

.page-support__faq-item.active .page-support__faq-toggle {
  color: var(--text-light);
  transform: rotate(45deg); /* Thêm hiệu ứng xoay cho dấu + thành X */
  border-color: var(--text-light);
}

.page-support__faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
  padding: 0 25px;
  opacity: 0;
  background: #202020; /* Nền câu trả lời */
  color: var(--text-light);
  border-radius: 0 0 8px 8px;
}

.page-support__faq-item.active .page-support__faq-answer {
  max-height: 2000px !important; /* Đảm bảo đủ cao cho mọi nội dung */
  padding: 20px 25px !important;
  opacity: 1;
}

.page-support__faq-answer p {
  margin-bottom: 15px;
  font-size: 1em;
  line-height: 1.7;
}

.page-support__faq-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
}

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

/* Phần giới thiệu thương hiệu (Module 3) */
.page-support__brand-section {
  background-color: var(--background-dark);
  padding-top: 60px;
  padding-bottom: 60px;
  border-bottom: 2px solid var(--secondary-color);
}

.page-support__brand-title {
  font-size: 2.5em;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 50px;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

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

.page-support__brand-item {
  background: #1a1a1a;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid rgba(139, 0, 0, 0.5);
}

.page-support__brand-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

.page-support__brand-item h3 {
  font-size: 1.8em;
  color: var(--primary-color);
  margin-top: 20px;
  margin-bottom: 15px;
}

.page-support__brand-item p {
  font-size: 1em;
  color: var(--text-light);
  line-height: 1.7;
}

.page-support__brand-image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 15px;
  object-fit: cover;
  min-width: 200px; /* Đảm bảo kích thước tối thiểu */
  min-height: 200px;
}

/* Phần danh sách blog (Module 4) */
.page-support__blog-section {
  background-color: #101010;
  padding-top: 60px;
  padding-bottom: 60px;
}

.page-support__blog-title {
  font-size: 2.5em;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 20px;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.page-support__blog-intro-text {
  font-size: 1.1em;
  color: var(--text-light);
  text-align: center;
  max-width: 900px;
  margin: 0 auto 50px auto;
  line-height: 1.7;
}

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

.page-support__blog-item {
  background: #1a1a1a;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid rgba(255, 215, 0, 0.3);
}

.page-support__blog-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

.page-support__blog-link {
  display: block;
  text-decoration: none;
  color: inherit;
  padding: 20px;
}

.page-support__blog-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 15px;
  min-width: 200px; /* Đảm bảo kích thước tối thiểu */
  min-height: 200px;
}

.page-support__blog-item-title {
  font-size: 1.4em;
  color: var(--primary-color);
  margin-bottom: 10px;
  line-height: 1.4;
}

.page-support__blog-item-excerpt {
  font-size: 0.95em;
  color: #cccccc;
  margin-bottom: 15px;
  line-height: 1.6;
}

.page-support__blog-item-date {
  font-size: 0.85em;
  color: #888888;
  display: block;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-support__main-title {
    font-size: 2.8em;
  }
  .page-support__faq-title,
  .page-support__brand-title,
  .page-support__blog-title {
    font-size: 2.2em;
  }
}

@media (max-width: 768px) {
  .page-support__title-section {
    padding-top: 100px !important; /* Mobile: Đảm bảo không bị header cố định che */
    padding-bottom: 40px;
  }

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

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

  .page-support__cta-buttons {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
  }

  .page-support__cta-button {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 12px 25px !important;
    font-size: 1em !important;
  }

  .page-support__faq-container,
  .page-support__brand-container,
  .page-support__blog-container {
    padding: 30px 15px;
  }

  .page-support__faq-title,
  .page-support__brand-title,
  .page-support__blog-title {
    font-size: 1.8em;
    margin-bottom: 30px;
  }

  .page-support__faq-intro-text,
  .page-support__blog-intro-text {
    font-size: 0.95em;
    margin-bottom: 30px;
  }

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

  .page-support__faq-question h3 {
    font-size: 1em;
  }

  .page-support__faq-toggle {
    font-size: 24px;
    width: 28px;
    height: 28px;
  }

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

  .page-support__brand-item,
  .page-support__blog-item {
    padding: 20px;
  }

  .page-support__brand-item h3 {
    font-size: 1.5em;
  }

  .page-support__blog-item-title {
    font-size: 1.2em;
  }

  /* Responsive images */
  .page-support img {
    max-width: 100% !important;
    height: auto !important;
    display: block !important;
    box-sizing: border-box !important;
  }
  .page-support__brand-image,
  .page-support__blog-image {
    min-width: unset; /* Bỏ giới hạn min-width trên mobile */
    min-height: unset; /* Bỏ giới hạn min-height trên mobile */
  }

  /* Containers for images to prevent overflow */
  .page-support__brand-item,
  .page-support__blog-item,
  .page-support__blog-list {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
    padding-left: 0;
    padding-right: 0;
  }
  .page-support__brand-content {
    gap: 20px;
  }
}

@media (max-width: 480px) {
  .page-support__main-title {
    font-size: 1.8em;
  }
  .page-support__faq-title,
  .page-support__brand-title,
  .page-support__blog-title {
    font-size: 1.5em;
  }
  .page-support__faq-question h3 {
    font-size: 0.95em;
  }
  .page-support__faq-toggle {
    font-size: 20px;
    width: 24px;
    height: 24px;
  }
  .page-support__brand-item h3 {
    font-size: 1.3em;
  }
  .page-support__blog-item-title {
    font-size: 1.1em;
  }
}