/* style/register.css */
/* body đã padding-top: var(--header-offset) bởi shared.css, không thêm vào đây để tránh trùng lặp */

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

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

.page-register__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 0 60px 0; /* Nhỏ gọn hơn ở trên cùng */
  text-align: center;
  overflow: hidden;
}

.page-register__hero-image-wrapper {
  width: 100%;
  max-height: 700px; /* Giới hạn chiều cao của ảnh hero */
  overflow: hidden;
  position: relative;
}

.page-register__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: brightness(0.7); /* Làm mờ ảnh để chữ dễ đọc hơn */
}

.page-register__hero-content {
  position: relative;
  z-index: 10;
  padding: 20px;
  max-width: 900px;
  margin-top: -200px; /* Kéo nội dung lên trên ảnh một chút */
  background-color: rgba(8, 22, 15, 0.7); /* Nền tối để chữ nổi bật */
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(5px);
}

.page-register__main-title {
  font-weight: bold;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--page-register-text-main);
  margin-bottom: 20px;
  max-width: 90%;
  margin-left: auto;
  margin-right: auto;
  font-size: clamp(1.8rem, 3.5vw, 3.2rem); /* Sử dụng clamp cho responsive H1 */
}

.page-register__intro-text {
  font-size: 1.1rem;
  color: var(--page-register-text-secondary);
  margin-bottom: 30px;
}

.page-register__cta-button {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  cursor: pointer;
  text-align: center;
  box-sizing: border-box;
  max-width: 100%; /* Đảm bảo nút không tràn */
  white-space: normal; /* Cho phép xuống dòng */
  word-wrap: break-word; /* Ngắt từ khi cần */
}

.page-register__btn-primary {
  background: var(--page-register-button-gradient);
  color: var(--page-register-text-main);
  border: none;
  box-shadow: 0 4px 10px rgba(42, 209, 111, 0.4);
}

.page-register__btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(42, 209, 111, 0.6);
}

.page-register__btn-secondary {
  background: var(--page-register-card-bg);
  color: var(--page-register-primary-color);
  border: 2px solid var(--page-register-primary-color);
}

.page-register__btn-secondary:hover {
  background: var(--page-register-primary-color);
  color: var(--page-register-text-main);
  box-shadow: 0 4px 10px rgba(17, 168, 78, 0.4);
}

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

.page-register__section-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  color: var(--page-register-gold-color);
  text-align: center;
  margin-bottom: 20px;
  font-weight: bold;
  text-shadow: 0 0 8px rgba(242, 193, 78, 0.3);
}

.page-register__section-description {
  font-size: 1rem;
  color: var(--page-register-text-secondary);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px auto;
}

.page-register__why-join-section,
.page-register__steps-section,
.page-register__promotion-section,
.page-register__faq-section {
  padding: 60px 0;
}

.page-register__dark-section {
  background-color: var(--page-register-deep-green);
}

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

.page-register__card {
  background-color: var(--page-register-card-bg);
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--page-register-border-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: var(--page-register-text-main);
}

.page-register__card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-register__card-icon {
  width: 100px;
  height: 100px;
  object-fit: contain;
  margin-bottom: 20px;
  max-width: 100%;
  height: auto;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.page-register__card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  max-width: 100%;
  height: auto;
  display: block;
}

.page-register__card-title {
  font-size: 1.4rem;
  font-weight: bold;
  color: var(--page-register-gold-color);
  margin-bottom: 15px;
}

.page-register__card-text {
  font-size: 0.95rem;
  color: var(--page-register-text-secondary);
}

.page-register__step-number {
  width: 50px;
  height: 50px;
  line-height: 50px;
  background: var(--page-register-primary-color);
  color: var(--page-register-text-main);
  border-radius: 50%;
  font-size: 1.5rem;
  font-weight: bold;
  margin: 0 auto 20px auto;
  box-shadow: 0 0 15px rgba(17, 168, 78, 0.5);
}

.page-register__cta-wrapper {
  text-align: center;
  margin-top: 50px;
}

.page-register__faq-list {
  margin-top: 40px;
}

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

.page-register__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  color: var(--page-register-text-main);
  background-color: var(--page-register-deep-green);
  border-bottom: 1px solid var(--page-register-divider-color);
  transition: background-color 0.3s ease;
  list-style: none; /* Loại bỏ dấu chấm mặc định của summary */
}

.page-register__faq-question::-webkit-details-marker {
  display: none; /* Loại bỏ mũi tên mặc định của summary trên WebKit */
}

.page-register__faq-question:hover {
  background-color: rgba(10, 75, 44, 0.8);
}

.page-register__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  color: var(--page-register-gold-color);
  margin-left: 15px;
}

.page-register__faq-item[open] .page-register__faq-question {
  background-color: var(--page-register-deep-green);
  border-bottom: 1px solid var(--page-register-divider-color);
}

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

.page-register__faq-answer {
  padding: 20px 25px;
  font-size: 0.95rem;
  color: var(--page-register-text-secondary);
  border-top: 1px solid var(--page-register-divider-color);
  background-color: var(--page-register-card-bg);
}

/* --- Responsive Design --- */

/* Base responsive styles for images and videos */
.page-register img,
.page-register video,
.page-register__video {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-register__video-section,
.page-register__video-container,
.page-register__video-wrapper,
.page-register__hero-image-wrapper {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

/* Base responsive styles for buttons */
.page-register__cta-button,
.page-register__btn-primary,
.page-register__btn-secondary,
.page-register a[class*="button"],
.page-register a[class*="btn"] {
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-register__cta-buttons,
.page-register__button-group,
.page-register__btn-container {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

@media (max-width: 768px) {
  .page-register {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-register__hero-content {
    margin-top: -100px; /* Điều chỉnh lại vị trí cho di động */
    padding: 15px;
  }

  .page-register__main-title {
    font-size: clamp(1.5rem, 7vw, 2.5rem);
  }

  .page-register__intro-text {
    font-size: 1rem;
  }

  .page-register__section-title {
    font-size: clamp(1.6rem, 6vw, 2.2rem);
  }

  .page-register__section-description {
    margin-bottom: 30px;
  }

  .page-register__benefits-grid,
  .page-register__steps-grid,
  .page-register__promo-grid {
    grid-template-columns: 1fr; /* Một cột trên di động */
    gap: 20px;
  }

  .page-register__card {
    padding: 20px;
  }

  .page-register__card-icon {
    width: 80px;
    height: 80px;
  }

  .page-register__card-image {
    height: 150px;
  }

  .page-register__card-title {
    font-size: 1.2rem;
  }

  .page-register__faq-question {
    font-size: 1rem;
    padding: 15px 20px;
  }

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

  /* Mobile specific overrides for images and videos */
  .page-register img,
  .page-register video,
  .page-register__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-register__section,
  .page-register__card,
  .page-register__container,
  .page-register__hero-section,
  .page-register__why-join-section,
  .page-register__steps-section,
  .page-register__promotion-section,
  .page-register__faq-section,
  .page-register__video-section,
  .page-register__video-container,
  .page-register__video-wrapper,
  .page-register__hero-image-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }

  .page-register__video-section {
    padding-top: 10px !important; /* body đã xử lý padding-top */
  }

  /* Mobile specific overrides for buttons */
  .page-register__cta-button,
  .page-register__btn-primary,
  .page-register__btn-secondary,
  .page-register a[class*="button"],
  .page-register 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-register__cta-buttons,
  .page-register__button-group,
  .page-register__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important; /* Cho phép các nút xuống dòng */
    gap: 10px;
  }

  .page-register__cta-buttons {
    display: flex;
    flex-direction: column; /* Xếp dọc các nút trên di động */
  }
}