/* style/register.css */
/* body đã padding-top: var(--header-offset)；trang này cấm viết lại biến đó */
.page-register {
  font-family: 'Arial', sans-serif;
  color: #333333; /* Default text color for light background */
  background-color: #FFFFFF; /* Default background */
  line-height: 1.6;
}

.page-register__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
  box-sizing: border-box;
}

/* Hero Section */
.page-register__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column; /* Forced image-above-text */
  align-items: center;
  padding-top: 10px; /* Small top padding, body handles header offset */
  background-color: #f5f5f5; /* Light background for the section */
}

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

.page-register__hero-image {
  width: 100%;
  height: auto;
  display: block;
  min-width: 200px; /* Enforce min-size */
  min-height: 200px; /* Enforce min-size */
}

.page-register__hero-content {
  text-align: center;
  padding: 40px 20px;
  background-color: #FFFFFF; /* Ensure light background for text */
  color: #333333;
  width: 100%;
  box-sizing: border-box;
}

.page-register__main-title {
  font-size: clamp(2em, 4vw, 3em); /* Use clamp for H1 font size */
  font-weight: 700;
  margin-bottom: 20px;
  color: #017439; /* Brand color for emphasis */
}

.page-register__description {
  font-size: 1.1em;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Buttons */
.page-register__btn-primary,
.page-register__btn-secondary,
.page-register__submit-button {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1em;
  cursor: pointer;
  transition: background-color 0.3s ease, color 0.3s ease;
  margin: 10px;
  max-width: 100%; /* Button responsiveness */
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-register__btn-primary,
.page-register__submit-button {
  background-color: #A00000; /* Adjusted for contrast: Darker Red */
  color: #FFFF00; /* Yellow text */
  border: 2px solid #A00000;
}

.page-register__btn-primary:hover,
.page-register__submit-button:hover {
  background-color: #800000;
  border-color: #800000;
}

.page-register__btn-secondary {
  background-color: #FFFFFF;
  color: #017439; /* Brand green text */
  border: 2px solid #017439;
}

.page-register__btn-secondary:hover {
  background-color: #e0e0e0;
  color: #005f2a;
  border-color: #005f2a;
}

/* Form Section */
.page-register__form-section {
  padding: 60px 0;
  background-color: #FFFFFF;
  color: #333333;
}

.page-register__section-title {
  font-size: 2.2em;
  font-weight: 700;
  text-align: center;
  margin-bottom: 30px;
  color: #017439;
}

.page-register__text-block {
  font-size: 1.05em;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px auto;
}

.page-register__form-wrapper {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 40px;
  margin-top: 40px;
  flex-wrap: wrap; /* Allow wrapping on smaller screens */
}

.page-register__form-image {
  width: 100%;
  max-width: 500px;
  height: auto;
  display: block;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  min-width: 200px; /* Enforce min-size */
  min-height: 200px; /* Enforce min-size */
}

.page-register__registration-form {
  flex: 1;
  max-width: 500px;
  background-color: #f9f9f9;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  box-sizing: border-box;
}

.page-register__form-group {
  margin-bottom: 20px;
  position: relative;
}

.page-register__form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #555555;
}

.page-register__form-input {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 1em;
  box-sizing: border-box;
}

.page-register__form-input:focus {
  border-color: #017439;
  outline: none;
  box-shadow: 0 0 5px rgba(1, 116, 57, 0.3);
}

.page-register__captcha-image {
  position: absolute;
  right: 0;
  top: 35px; /* Adjust based on label and input height */
  border-radius: 5px;
  min-width: 200px; /* Enforce min-size */
  min-height: 200px; /* Enforce min-size */
  width: 200px; /* Set to min width */
  height: auto; /* Allow height to adjust */
  object-fit: contain;
}

.page-register__form-group.page-register__checkbox-group {
  display: flex;
  align-items: center;
  margin-top: 25px;
}

.page-register__form-checkbox {
  margin-right: 10px;
  width: 20px;
  height: 20px;
  accent-color: #017439; /* Checkbox color */
}

.page-register__text-link {
  color: #017439;
  text-decoration: underline;
}

.page-register__text-link:hover {
  color: #005f2a;
}

.page-register__disclaimer {
  margin-top: 40px;
  font-size: 0.95em;
  color: #666666;
}

/* Benefits Section */
.page-register__dark-section {
  background-color: #017439; /* Brand green background */
  color: #FFFFFF; /* White text for contrast */
  padding: 60px 0;
}

.page-register__dark-section .page-register__section-title {
  color: #FFFFFF; /* White title for dark background */
}

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

.page-register__benefit-card {
  background-color: rgba(255, 255, 255, 0.1); /* Slightly transparent white for cards */
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.page-register__benefit-icon {
  width: 100%;
  max-width: 150px;
  height: auto;
  margin-bottom: 20px;
  min-width: 200px; /* Enforce min-size for benefits icons */
  min-height: 200px; /* Enforce min-size */
  object-fit: cover; /* Ensure images fill space */
  border-radius: 8px;
}

.page-register__benefit-title {
  font-size: 1.4em;
  font-weight: 600;
  margin-bottom: 15px;
  color: #FFFF00; /* Yellow for titles in dark section */
}

.page-register__benefit-description {
  font-size: 1em;
  color: #f0f0f0;
}

.page-register__cta-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  margin-top: 60px;
  text-align: center;
}

.page-register__cta-text {
  font-size: 1.3em;
  font-weight: 600;
  color: #FFFFFF;
}

/* FAQ Section */
.page-register__faq-section {
  padding: 60px 0;
  background-color: #f9f9f9;
  color: #333333;
}

.page-register__faq-list {
  max-width: 800px;
  margin: 40px auto 0 auto;
}

.page-register__faq-item {
  background-color: #FFFFFF;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.page-register__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.1em;
  font-weight: 600;
  color: #017439;
  cursor: pointer;
  background-color: #fefefe;
  border-bottom: 1px solid #e0e0e0;
}

.page-register__faq-item[open] .page-register__faq-question {
  border-bottom: none;
}

.page-register__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  transition: transform 0.3s ease;
}

.page-register__faq-item[open] .page-register__faq-toggle {
  transform: rotate(45deg); /* Change + to X or similar */
}

.page-register__faq-answer {
  padding: 15px 25px 20px 25px;
  font-size: 1em;
  color: #555555;
  border-top: 1px solid #eee; /* Visually separate from question when open */
}

.page-register__faq-answer p {
  margin: 0;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .page-register__main-title {
    font-size: clamp(1.8em, 5vw, 2.5em);
  }
}

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

  .page-register__container {
    padding: 0 15px;
  }

  .page-register__hero-content {
    padding: 30px 15px;
  }

  .page-register__main-title {
    font-size: clamp(1.5em, 7vw, 2em) !important;
  }

  .page-register__description {
    font-size: 1em;
    margin-bottom: 20px;
  }

  .page-register__btn-primary,
  .page-register__btn-secondary,
  .page-register__submit-button {
    width: 100% !important;
    max-width: 100% !important;
    margin: 10px 0 !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }
  
  .page-register__hero-content .page-register__btn-primary,
  .page-register__hero-content .page-register__btn-secondary {
    margin: 10px auto !important; /* Center buttons if stacked */
  }

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

  .page-register__section-title {
    font-size: 1.8em;
    margin-bottom: 25px;
  }

  .page-register__form-section,
  .page-register__benefits-section,
  .page-register__faq-section {
    padding: 40px 0;
  }

  .page-register__form-wrapper {
    flex-direction: column;
    gap: 30px;
  }

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

  .page-register__registration-form {
    max-width: 100%;
    padding: 25px;
  }

  .page-register__captcha-image {
    position: static; /* Adjust position for mobile */
    margin-top: 10px;
    width: 100%;
    max-width: 200px; /* Ensure it doesn't stretch too wide */
    height: auto;
    min-width: 200px !important; /* Enforce min-size */
    min-height: 200px !important; /* Enforce min-size */
  }

  .page-register__form-group.page-register__checkbox-group {
    flex-direction: column;
    align-items: flex-start;
  }
  .page-register__form-checkbox {
    margin-bottom: 10px;
  }

  .page-register__benefits-grid {
    grid-template-columns: 1fr;
  }

  .page-register__benefit-card {
    padding: 25px;
  }

  /* Mobile image responsiveness */
  .page-register img {
    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__form-section,
  .page-register__benefits-section,
  .page-register__faq-section,
  .page-register__form-wrapper,
  .page-register__registration-form,
  .page-register__benefits-grid,
  .page-register__benefit-card,
  .page-register__cta-row,
  .page-register__faq-list,
  .page-register__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important; /* Prevent horizontal scroll */
  }
  
  /* Remove padding from __container within sections that already have it */
  .page-register__hero-section > .page-register__hero-content > .page-register__container,
  .page-register__form-section > .page-register__container,
  .page-register__dark-section > .page-register__container,
  .page-register__faq-section > .page-register__container {
    padding-left: 0;
    padding-right: 0;
  }

  .page-register__video-section {
    padding-top: 10px !important; /* body đã承担 --header-offset，此处禁止 var(--header-offset) */
  }

  /* Video responsiveness - if any */
  .page-register video,
  .page-register__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .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;
  }
}