/* style/register.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần lặp lại */

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

.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-background);
}

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

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

.page-register__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 10px 20px 60px; /* body đã xử lý padding-top, đây là phần đệm thêm */
  overflow: hidden;
}

.page-register__hero-image-wrapper {
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  position: relative;
  height: 0;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
}

.page-register__hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.page-register__hero-content {
  position: relative;
  z-index: 2;
  margin-top: -150px; /* Kéo nội dung lên trên ảnh một chút */
  padding: 40px;
  background: rgba(8, 22, 15, 0.85); /* Nền tối nhẹ cho dễ đọc */
  border-radius: 8px;
  max-width: 800px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  border: 1px solid var(--page-register-border-color);
}

.page-register__main-title {
  font-size: clamp(2.2rem, 4vw, 3rem); /* Sử dụng clamp cho H1 */
  font-weight: 700;
  color: var(--page-register-gold-color);
  margin-bottom: 15px;
  line-height: 1.2;
}

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

.page-register__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  color: var(--page-register-text-main);
  text-align: center;
  margin-bottom: 40px;
  padding-top: 40px;
}

.page-register__text-block {
  font-size: 1rem;
  color: var(--page-register-text-secondary);
  margin-bottom: 20px;
  text-align: center;
}

.page-register__btn-primary,
.page-register__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  transition: all 0.3s ease;
  cursor: pointer;
  text-align: center;
  box-sizing: border-box;
}

.page-register__btn-primary {
  background: var(--page-register-button-gradient);
  color: var(--page-register-text-main);
  border: none;
  box-shadow: 0 4px 15px rgba(42, 209, 111, 0.4);
}

.page-register__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(42, 209, 111, 0.6);
}

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

.page-register__btn-secondary:hover {
  background-color: var(--page-register-primary-color);
  color: var(--page-register-text-main);
  transform: translateY(-2px);
}

.page-register__btn-large {
  padding: 18px 40px;
  font-size: 1.1rem;
}

.page-register__advantages-section {
  padding: 60px 0;
  background-color: var(--page-register-background);
}

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

.page-register__advantage-item {
  background-color: var(--page-register-card-bg);
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  border: 1px solid var(--page-register-border-color);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
}

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

.page-register__advantage-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__advantage-title {
  font-size: 1.4rem;
  color: var(--page-register-gold-color);
  margin-bottom: 10px;
}

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

.page-register__steps-section {
  padding: 60px 0;
}

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

.page-register__step-item {
  background-color: var(--page-register-card-bg);
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  border: 1px solid var(--page-register-border-color);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.page-register__step-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--page-register-primary-color);
  margin-bottom: 15px;
  line-height: 1;
}

.page-register__step-title {
  font-size: 1.3rem;
  color: var(--page-register-gold-color);
  margin-bottom: 10px;
}

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

.page-register__steps-cta {
  text-align: center;
  margin-top: 60px;
}

.page-register__steps-image {
  max-width: 800px;
  width: 100%;
  height: auto;
  display: block;
  margin: 0 auto 30px;
  border-radius: 10px;
  border: 1px solid var(--page-register-border-color);
}

.page-register__security-section {
  padding: 60px 0;
  background-color: var(--page-register-background);
}

.page-register__security-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 40px;
  margin-top: 40px;
}

.page-register__security-text {
  flex: 1;
  min-width: 300px;
}

.page-register__security-list {
  list-style: none;
  padding: 0;
  margin: 20px 0;
}

.page-register__security-list li {
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="%232AD16F" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"></polyline></svg>') no-repeat left center;
  background-size: 20px;
  padding-left: 30px;
  margin-bottom: 10px;
  color: var(--page-register-text-secondary);
}

.page-register__security-list strong {
  color: var(--page-register-text-main);
}

.page-register__security-image-wrapper {
  flex: 1;
  min-width: 300px;
  text-align: center;
}

.page-register__security-image {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  border: 1px solid var(--page-register-border-color);
}

.page-register__promotions-section {
  padding: 60px 0;
}

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

.page-register__promotion-card {
  background-color: var(--page-register-card-bg);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--page-register-border-color);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  text-align: center;
  padding-bottom: 20px;
}

.page-register__promotion-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  margin-bottom: 20px;
}

.page-register__promotion-title {
  font-size: 1.3rem;
  color: var(--page-register-gold-color);
  margin-bottom: 10px;
  padding: 0 15px;
}

.page-register__promotion-text {
  font-size: 0.95rem;
  color: var(--page-register-text-secondary);
  margin-bottom: 20px;
  padding: 0 15px;
}

.page-register__promotions-cta {
  margin-top: 50px;
  text-align: center;
  display: block;
  max-width: 300px;
  margin-left: auto;
  margin-right: auto;
}

.page-register__faq-section {
  padding: 60px 0;
  background-color: var(--page-register-background);
}

.page-register__faq-list {
  margin-top: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-register__faq-item {
  background-color: var(--page-register-card-bg);
  border: 1px solid var(--page-register-border-color);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-register__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--page-register-text-main);
  cursor: pointer;
  list-style: none; /* Hide default marker for details summary */
}

.page-register__faq-question::-webkit-details-marker {
  display: none; /* Hide default marker for webkit browsers */
}

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

.page-register__faq-toggle {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--page-register-primary-color);
  margin-left: 15px;
}

.page-register__faq-answer {
  padding: 0 20px 20px;
  font-size: 1rem;
  color: var(--page-register-text-secondary);
}

.page-register__cta-section {
  padding: 60px 0;
  text-align: center;
  background-color: var(--page-register-deep-green-color);
}

.page-register__cta-buttons {
  margin-top: 40px;
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap; /* Allow wrapping on smaller screens */
}

/* ==================================================================
   Responsive Design for Mobile (max-width: 768px)
   ================================================================== */
@media (max-width: 768px) {
  .page-register__container {
    padding: 0 15px !important;
  }

  .page-register__hero-section {
    padding-top: 10px !important;
    padding-bottom: 30px;
  }

  .page-register__hero-content {
    margin-top: -80px; /* Điều chỉnh vị trí nội dung trên di động */
    padding: 25px;
    width: 100%;
    border-radius: 6px;
  }

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

  .page-register__description {
    font-size: 0.95rem;
    margin-bottom: 20px;
  }

  .page-register__section-title {
    font-size: clamp(1.5rem, 6vw, 2rem);
    margin-bottom: 30px;
    padding-top: 30px;
  }

  .page-register__text-block {
    font-size: 0.9rem;
  }

  .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: 12px 20px !important;
    font-size: 1rem !important;
    margin-left: 0 !important; /* Reset margin for stacked buttons */
    margin-bottom: 15px; /* Add space between stacked buttons */
  }

  .page-register__cta-buttons {
    flex-direction: column !important; /* Stack buttons vertically */
    gap: 10px !important;
  }

  .page-register__advantages-grid,
  .page-register__steps-grid,
  .page-register__promotions-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-register__advantage-item,
  .page-register__step-item,
  .page-register__promotion-card {
    padding: 20px;
  }

  .page-register__security-content {
    flex-direction: column;
    gap: 30px;
  }

  .page-register__security-image,
  .page-register__steps-image,
  .page-register img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
    margin-left: auto;
    margin-right: auto;
  }

  .page-register__section,
  .page-register__card,
  .page-register__container,
  .page-register__cta-buttons,
  .page-register__video-section,
  .page-register__video-container,
  .page-register__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }

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

  .page-register__faq-answer {
    font-size: 0.9rem;
    padding: 0 15px 15px;
  }

  .page-register__promotions-cta {
    max-width: 100%;
  }

  .page-register__hero-image-wrapper {
    padding-bottom: 75%; /* 4:3 aspect ratio for mobile hero */
  }
}

/* Ensure images within content areas do not shrink below 200px */
.page-register__advantage-icon, 
.page-register__steps-image, 
.page-register__security-image, 
.page-register__promotion-image {
  min-width: 200px;
  min-height: 200px;
}

/* Override specific element styles for contrast if needed */
.page-register__hero-content .page-register__main-title {
  color: var(--page-register-gold-color);
}

.page-register__hero-content .page-register__description {
  color: var(--page-register-text-secondary);
}

.page-register__advantage-title,
.page-register__step-title,
.page-register__promotion-title {
  color: var(--page-register-gold-color);
}

.page-register__section-title {
  color: var(--page-register-text-main);
}

.page-register__text-block,
.page-register__advantage-text,
.page-register__step-text,
.page-register__security-list li,
.page-register__promotion-text,
.page-register__faq-answer {
  color: var(--page-register-text-secondary);
}

.page-register__faq-question {
  color: var(--page-register-text-main);
}

.page-register__faq-toggle {
  color: var(--page-register-primary-color);
}