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

/* Biến màu tùy chỉnh */
:root {
  --page-register-card-bg: #11271B;
  --page-register-background: #08160F;
  --page-register-text-main: #F2FFF6;
  --page-register-text-secondary: #A7D9B8;
  --page-register-border: #2E7A4E;
  --page-register-glow: #57E38D;
  --page-register-gold: #F2C14E;
  --page-register-divider: #1E3A2A;
  --page-register-deep-green: #0A4B2C;
  --page-register-btn-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
}

.page-register {
  background-color: var(--page-register-background);
  color: var(--page-register-text-main); /* Deep green background, so main text is light */
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

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

/* Hero Section */
.page-register__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-top: 10px; /* Small top padding, body handles header offset */
  padding-bottom: 60px;
  overflow: hidden; /* Ensure no overflow */
}

.page-register__hero-image-wrapper {
  width: 100%;
  position: relative;
  overflow: hidden;
}

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

.page-register__hero-content {
  position: relative; /* Ensure content is above image if needed, but not overlapping */
  z-index: 2;
  margin-top: -100px; /* Pull content up slightly over the bottom of the image for visual flow */
  background: var(--page-register-background); /* Provide a background to ensure text readability */
  padding: 40px 20px;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
  max-width: 800px;
  width: 100%;
  box-sizing: border-box;
}

.page-register__main-title {
  color: var(--page-register-text-main);
  font-size: clamp(2.2rem, 4vw, 3.5rem); /* Use clamp for H1 */
  font-weight: bold;
  line-height: 1.2;
  margin-bottom: 20px;
}

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

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

.page-register__btn-primary,
.page-register__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%; /* Ensure buttons are responsive */
  white-space: normal;
  word-wrap: break-word;
}

.page-register__btn-primary {
  background: var(--page-register-btn-gradient);
  color: var(--page-register-text-main); /* White text on green gradient */
  border: none;
}

.page-register__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}

.page-register__btn-secondary {
  background: transparent;
  color: var(--page-register-text-main); /* Light text on dark background */
  border: 2px solid var(--page-register-border);
}

.page-register__btn-secondary:hover {
  background: var(--page-register-border);
  color: var(--page-register-text-main);
}

.page-register__btn-large {
  padding: 18px 40px;
  font-size: 1.2rem;
  min-width: 250px;
}

/* General Section Styling */
.page-register__section {
  padding: 60px 0;
  text-align: center;
}

.page-register__section-title {
  color: var(--page-register-gold); /* Use gold for section titles for emphasis */
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  margin-bottom: 40px;
  font-weight: bold;
  text-shadow: 0 0 10px rgba(var(--page-register-glow), 0.3);
}

/* Why Register Section */
.page-register__why-register {
  background-color: var(--page-register-deep-green); /* Slightly different dark background */
}

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

.page-register__feature-card.page-register__card {
  background-color: var(--page-register-card-bg);
  border: 1px solid var(--page-register-border);
  border-radius: 12px;
  padding: 30px;
  text-align: left;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-register__feature-card.page-register__card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.page-register__card-title {
  color: var(--page-register-text-main);
  font-size: 1.5rem;
  margin-bottom: 15px;
}

.page-register__feature-card p {
  color: var(--page-register-text-secondary);
  margin-bottom: 15px;
}

.page-register__feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-register__feature-list li {
  color: var(--page-register-text-secondary);
  margin-bottom: 8px;
  position: relative;
  padding-left: 25px;
}

.page-register__feature-list li::before {
  content: '✓';
  color: var(--page-register-glow);
  position: absolute;
  left: 0;
  font-weight: bold;
}

/* How to Register Section */
.page-register__how-to-register {
  background-color: var(--page-register-background);
}

.page-register__steps {
  display: flex;
  flex-direction: column;
  gap: 60px;
  margin-top: 40px;
}

.page-register__step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background-color: var(--page-register-card-bg);
  border: 1px solid var(--page-register-border);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-register__step-title {
  color: var(--page-register-text-main);
  font-size: 1.8rem;
  margin-bottom: 15px;
}

.page-register__step-item p {
  color: var(--page-register-text-secondary);
  margin-bottom: 20px;
}

.page-register__btn-text-link {
  color: var(--page-register-glow);
  text-decoration: underline;
  font-weight: bold;
  margin-bottom: 20px;
  display: inline-block;
}

.page-register__btn-text-link:hover {
  color: var(--page-register-gold);
}

.page-register__step-image {
  width: 100%;
  max-width: 600px;
  height: auto;
  border-radius: 8px;
  margin-top: 20px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  display: block; /* Ensure it behaves as a block element */
  min-width: 200px;
  min-height: 200px;
}

/* Video Section */
.page-register__video-wrapper {
  position: relative;
  width: 100%;
  max-width: 800px; /* Max width for video container */
  margin: 60px auto 0 auto;
  background-color: var(--page-register-card-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
  padding: 20px;
  box-sizing: border-box;
}

.page-register__video-link-overlay {
    display: block;
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    cursor: pointer;
}

.page-register__video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 8px;
  display: block;
}

.page-register__video-caption {
  color: var(--page-register-text-secondary);
  margin-top: 20px;
  font-style: italic;
}

/* FAQ Section */
.page-register__faq-section {
  background-color: var(--page-register-deep-green);
}

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

.page-register__faq-item {
  background-color: var(--page-register-card-bg);
  border: 1px solid var(--page-register-border);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.page-register__faq-item summary {
  list-style: none; /* Hide default marker */
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  cursor: pointer;
  background-color: var(--page-register-card-bg);
  color: var(--page-register-text-main);
  font-weight: bold;
  font-size: 1.1rem;
}

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

.page-register__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.page-register__faq-qtext {
  flex-grow: 1;
  margin-right: 15px;
}

.page-register__faq-toggle {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--page-register-glow);
  min-width: 20px; /* Ensure toggle has space */
  text-align: center;
}

.page-register__faq-item[open] .page-register__faq-toggle {
  content: '−'; /* Change to minus when open */
}

.page-register__faq-answer {
  padding: 0 20px 20px 20px;
  color: var(--page-register-text-secondary);
  font-size: 1rem;
  line-height: 1.6;
  border-top: 1px solid var(--page-register-divider);
  margin-top: -1px; /* Overlap border to avoid double line */
}

/* Final CTA Section */
.page-register__final-cta {
  padding: 80px 0;
  background-color: var(--page-register-background);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-register__hero-content {
    margin-top: -80px;
    padding: 30px 15px;
  }
}

@media (max-width: 768px) {
  .page-register__container {
    padding: 0 15px;
  }

  .page-register__hero-section {
    padding-bottom: 40px;
  }

  .page-register__hero-content {
    margin-top: -60px;
    padding: 25px 15px;
  }

  .page-register__main-title {
    font-size: clamp(1.8rem, 7vw, 2.5rem);
    margin-bottom: 15px;
  }

  .page-register__description {
    font-size: 1rem;
    margin-bottom: 25px;
  }

  .page-register__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .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;
    gap: 10px;
  }
  
  .page-register__section {
    padding: 40px 0;
  }

  .page-register__section-title {
    font-size: clamp(1.5rem, 6vw, 2.2rem);
    margin-bottom: 30px;
  }

  .page-register__features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-register__feature-card.page-register__card {
    padding: 25px;
  }

  .page-register__step-item {
    padding: 25px;
  }

  .page-register__step-title {
    font-size: 1.5rem;
  }

  .page-register__step-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-register__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding: 15px;
    overflow: hidden !important;
  }

  .page-register__video-link-overlay {
    padding-bottom: 56.25% !important; /* Ensure aspect ratio is maintained */
  }

  .page-register__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

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

  .page-register__faq-answer {
    padding: 0 15px 15px 15px;
    font-size: 0.95rem;
  }
  
  /* All image containers must adapt */
  .page-register__section,
  .page-register__card,
  .page-register__container,
  .page-register__hero-image-wrapper,
  .page-register__step-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  /* Remove padding for hero image wrapper as image itself has 100% width */
  .page-register__hero-image-wrapper {
    padding-left: 0 !important;
    padding-right: 0 !important;
  }

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

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

/* Specific text colors for contrast */
.page-register h1, .page-register h2, .page-register h3, .page-register h4, .page-register h5, .page-register h6 {
  color: var(--page-register-text-main);
}
.page-register p, .page-register li, .page-register__faq-answer {
  color: var(--page-register-text-secondary);
}
.page-register__btn-primary {
  color: var(--page-register-text-main); /* White text on green gradient */
}
.page-register__btn-secondary {
  color: var(--page-register-text-main); /* Light text on dark background */
}