:root {
  --main-color: #11A84E;
  --accent-color: #22C768;
  --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --card-bg: #11271B;
  --background: #08160F;
  --text-main: #F2FFF6;
  --text-secondary: #A7D9B8;
  --border: #2E7A4E;
  --glow: #57E38D;
  --gold: #F2C14E;
  --divider: #1E3A2A;
  --deep-green: #0A4B2C;
  --deep-green-rgb: 10, 75, 44; /* RGB for rgba usage */
}

/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần thêm */
.page-register {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-main); /* Default text color for the page */
  background-color: var(--background); /* Overall page background */
}

/* Hero Section */
.page-register__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 20px 60px; /* Small top padding, more bottom padding */
  box-sizing: border-box;
}

.page-register__hero-image-wrapper {
  width: 100%;
  max-width: 100%; /* Ensure it takes full width */
  overflow: hidden;
  box-sizing: border-box;
}

.page-register__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 8px;
  filter: none; /* Ensure no filter on images */
}

.page-register__hero-content {
  max-width: 900px;
  text-align: center;
  margin-top: 40px;
  color: var(--text-main); /* Ensure contrast on dark background */
}

.page-register__hero-title {
  font-size: clamp(2em, 4vw, 3.2em); /* Responsive font size for H1 */
  font-weight: bold;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--gold); /* Using gold for prominence */
  letter-spacing: -0.02em;
}

.page-register__hero-description {
  font-size: 1.1em;
  margin-bottom: 30px;
  color: var(--text-secondary);
}

/* General Section Styling */
.page-register__section {
  padding: 80px 0;
  box-sizing: border-box;
}

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

.page-register__heading {
  font-size: clamp(1.8em, 3vw, 2.8em);
  font-weight: bold;
  text-align: center;
  margin-bottom: 40px;
  color: var(--text-main);
}

.page-register__text {
  font-size: 1.05em;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px;
  color: var(--text-secondary);
}

/* Buttons */
.page-register__btn-primary,
.page-register__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 1.1em;
  font-weight: bold;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
  text-align: center;
  box-sizing: border-box;
  white-space: normal; /* Allow text wrapping */
  word-wrap: break-word; /* Allow long words to break */
  max-width: 100%; /* Ensure buttons don't overflow */
}

.page-register__btn-primary {
  background: var(--button-gradient);
  color: #ffffff; /* White text for primary button */
  border: none;
}

.page-register__btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-register__btn-secondary {
  background: #ffffff;
  color: var(--deep-green); /* Deep Green text for secondary button */
  border: 2px solid var(--deep-green);
}

.page-register__btn-secondary:hover {
  background: var(--deep-green);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-register__btn-cta {
  margin-top: 30px;
}

/* Why Choose Section */
.page-register__why-choose {
  background-color: var(--background);
  color: var(--text-main);
}

.page-register__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-register__feature-item {
  background-color: var(--card-bg);
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border);
}

.page-register__feature-title {
  font-size: 1.4em;
  font-weight: bold;
  margin-bottom: 15px;
  color: var(--text-main);
}

.page-register__feature-text {
  font-size: 0.95em;
  color: var(--text-secondary);
}

/* How to Register Section */
.page-register__how-to-register {
  background-color: var(--deep-green); /* Using deep green for contrast */
  color: #ffffff;
  padding: 80px 0;
}

.page-register__how-to-register .page-register__heading,
.page-register__how-to-register .page-register__text {
  color: #ffffff;
}

.page-register__steps-wrapper {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 40px;
  margin-top: 50px;
}

.page-register__registration-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  flex: 1;
}

.page-register__step-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 30px;
}

.page-register__step-number {
  background-color: var(--gold);
  color: var(--deep-green);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: bold;
  font-size: 1.2em;
  flex-shrink: 0;
  margin-right: 20px;
}

.page-register__step-title {
  font-size: 1.3em;
  font-weight: bold;
  margin-bottom: 5px;
  color: #ffffff;
}

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

.page-register__registration-image {
  flex: 1;
  max-width: 50%;
  height: auto;
  display: block;
  border-radius: 8px;
  object-fit: cover;
  filter: none; /* Ensure no filter on images */
}

/* Benefits Section */
.page-register__benefits {
  background-color: var(--background);
  color: var(--text-main);
}

.page-register__benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-register__benefit-card {
  background-color: var(--card-bg);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border);
}

.page-register__benefit-title {
  font-size: 1.4em;
  font-weight: bold;
  margin-bottom: 15px;
  color: var(--text-main);
}

.page-register__benefit-description {
  font-size: 0.95em;
  color: var(--text-secondary);
}

.page-register__benefits-image {
  width: 100%;
  height: auto;
  display: block;
  margin-top: 60px;
  border-radius: 8px;
  object-fit: cover;
  filter: none; /* Ensure no filter on images */
}

/* Payment Methods Section */
.page-register__payment-methods {
  background-color: var(--deep-green);
  color: #ffffff;
}

.page-register__payment-methods .page-register__heading,
.page-register__payment-methods .page-register__text {
  color: #ffffff;
}

.page-register__payment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-register__payment-item {
  background-color: var(--card-bg); /* Use card background for payment items */
  padding: 25px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border);
}

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

.page-register__payment-description {
  font-size: 0.9em;
  color: var(--text-secondary);
}

.page-register__payment-image {
  width: 100%;
  height: auto;
  display: block;
  margin-top: 60px;
  border-radius: 8px;
  object-fit: cover;
  filter: none; /* Ensure no filter on images */
}

/* FAQ Section */
.page-register__faq {
  background-color: var(--background);
  color: var(--text-main);
}

.page-register__faq-list {
  max-width: 900px;
  margin: 50px auto 0;
}

.page-register__faq-item {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.page-register__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  font-size: 1.15em;
  font-weight: bold;
  color: var(--text-main);
  transition: background-color 0.3s ease;
  list-style: none; /* For details summary */
}

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

.page-register__faq-question:hover {
  background-color: rgba(var(--deep-green-rgb), 0.1); /* Slight hover effect */
}

.page-register__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  color: var(--gold);
  margin-left: 15px;
  transition: transform 0.3s ease;
}

.page-register__faq-item[open] .page-register__faq-toggle {
  transform: rotate(45deg); /* Rotate plus to become cross */
}

.page-register__faq-answer {
  padding: 0 25px 20px;
  font-size: 1em;
  color: var(--text-secondary);
}

/* Final CTA Section */
.page-register__cta-final {
  background-color: var(--deep-green);
  color: #ffffff;
  text-align: center;
  padding: 80px 20px;
}

.page-register__cta-final .page-register__heading,
.page-register__cta-final .page-register__text {
  color: #ffffff;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-register__hero-content {
    margin-top: 30px;
  }
  .page-register__hero-title {
    font-size: clamp(2em, 5vw, 2.8em);
  }
  .page-register__section {
    padding: 60px 0;
  }
  .page-register__heading {
    font-size: clamp(1.6em, 4vw, 2.4em);
  }
  .page-register__steps-wrapper {
    flex-direction: column;
  }
  .page-register__registration-image {
    max-width: 80%;
    margin-top: 40px;
  }
}

@media (max-width: 768px) {
  .page-register {
    font-size: 16px;
    line-height: 1.6;
  }
  .page-register__hero-section {
    padding-bottom: 40px;
    padding-top: 10px !important; /* body đã có padding-top, chỉ cần 10px */
  }
  .page-register__hero-title {
    font-size: clamp(1.8em, 6vw, 2.5em);
  }
  .page-register__hero-description {
    font-size: 1em;
  }
  .page-register__section {
    padding: 40px 0;
  }
  .page-register__heading {
    font-size: clamp(1.5em, 5vw, 2.2em);
    margin-bottom: 30px;
  }
  .page-register__text {
    font-size: 0.95em;
    margin-bottom: 30px;
  }

  /* Images responsive */
  .page-register img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
    filter: none; /* Ensure no filter on images */
  }
  .page-register__hero-image-wrapper,
  .page-register__registration-image,
  .page-register__benefits-image,
  .page-register__payment-image {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  
  /* Buttons responsive */
  .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; /* Ensure full width on mobile */
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
    margin-left: auto; /* Center block buttons */
    margin-right: auto;
  }

  .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;
    display: flex; /* Ensure flex behavior for button groups */
    flex-direction: column; /* Stack buttons vertically on mobile */
  }

  /* General containers padding for mobile */
  .page-register__section,
  .page-register__card,
  .page-register__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-register__registration-image {
    max-width: 100%;
  }

  .page-register__faq-question {
    font-size: 1.05em;
    padding: 15px 20px;
  }
  .page-register__faq-answer {
    padding: 0 20px 15px;
  }
}