.page-register {
  background-color: var(--background, #08160F);
  color: var(--text-main, #F2FFF6);
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

.page-register__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  padding-top: 10px; /* body đã padding-top: var(--header-offset) */
  overflow: hidden;
}

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

.page-register__hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.5); /* Giảm độ sáng để chữ nổi bật */
}

.page-register__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
  background: rgba(0, 0, 0, 0.4); /* Nền tối nhẹ để chữ dễ đọc */
  border-radius: 10px;
}

.page-register__hero-title {
  font-size: clamp(2em, 4vw, 3.5em); /* Sử dụng clamp để hạn chế kích thước */
  color: var(--text-main, #F2FFF6);
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.2;
}

.page-register__hero-description {
  font-size: 1.2em;
  color: var(--text-secondary, #A7D9B8);
  margin-bottom: 30px;
}

.page-register__cta-button {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: all 0.3s ease;
  white-space: nowrap; /* Ngăn nút xuống dòng */
}

.page-register__btn-primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #ffffff;
  border: none;
}

.page-register__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-register__section-padding {
  padding: 80px 20px;
}

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

.page-register__section-title {
  font-size: clamp(1.8em, 3.5vw, 2.8em);
  color: var(--text-main, #F2FFF6);
  text-align: center;
  margin-bottom: 20px;
  font-weight: bold;
}

.page-register__section-description {
  font-size: 1.1em;
  color: var(--text-secondary, #A7D9B8);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px auto;
}

.page-register__form-section {
  background-color: var(--background, #08160F);
}

.page-register__form-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  justify-content: center;
  align-items: center;
}

.page-register__registration-form {
  background-color: var(--card-bg, #11271B);
  padding: 40px;
  border-radius: 15px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
  flex: 1 1 450px;
  max-width: 550px;
}

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

.page-register__form-label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-main, #F2FFF6);
  font-weight: bold;
}

.page-register__form-input {
  width: calc(100% - 20px);
  padding: 12px 10px;
  border: 1px solid var(--border, #2E7A4E);
  border-radius: 8px;
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-main, #F2FFF6);
  font-size: 1em;
  transition: border-color 0.3s ease;
}

.page-register__form-input::placeholder {
  color: var(--text-secondary, #A7D9B8);
}

.page-register__form-input:focus {
  border-color: var(--glow, #57E38D);
  outline: none;
}

.page-register__captcha-input-group {
  display: flex;
  gap: 10px;
  align-items: center;
}

.page-register__captcha-input {
  flex-grow: 1;
}

.page-register__captcha-image {
  border-radius: 5px;
  border: 1px solid var(--border, #2E7A4E);
  width: 120px; /* Min size requirement 200x200 for content images, this is an exception for captcha */
  height: 40px;
  object-fit: cover;
}

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

.page-register__form-checkbox {
  margin-right: 10px;
  width: 18px;
  height: 18px;
  accent-color: var(--primary-color, #11A84E);
}

.page-register__form-checkbox-label {
  color: var(--text-secondary, #A7D9B8);
  font-size: 0.95em;
}

.page-register__link {
  color: var(--glow, #57E38D);
  text-decoration: none;
}

.page-register__link:hover {
  text-decoration: underline;
}

.page-register__submit-button {
  width: 100%;
  margin-top: 10px;
}

.page-register__form-illustration {
  flex: 1 1 400px;
  text-align: center;
}

.page-register__form-image {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  min-width: 200px;
  min-height: 200px;
}

.page-register__benefits-section {
  background-color: var(--deep-green, #0A4B2C);
}

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

.page-register__benefit-card {
  background-color: var(--card-bg, #11271B);
  padding: 30px;
  border-radius: 15px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
}

.page-register__benefit-card:hover {
  transform: translateY(-10px);
}

.page-register__benefit-icon {
  width: 100px;
  height: 100px;
  margin-bottom: 20px;
  object-fit: contain;
  min-width: 100px; /* Ensure icons are not too small, but still icons */
  min-height: 100px;
}

.page-register__benefit-title {
  font-size: 1.4em;
  color: var(--text-main, #F2FFF6);
  margin-bottom: 10px;
}

.page-register__benefit-text {
  color: var(--text-secondary, #A7D9B8);
  font-size: 0.95em;
}

.page-register__steps-section {
  background-color: var(--background, #08160F);
}

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

.page-register__step-card {
  background-color: var(--card-bg, #11271B);
  padding: 30px;
  border-radius: 15px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  border-top: 5px solid var(--glow, #57E38D);
}

.page-register__step-number {
  font-size: 2.5em;
  font-weight: bold;
  color: var(--glow, #57E38D);
  margin-bottom: 15px;
}

.page-register__step-title {
  font-size: 1.5em;
  color: var(--text-main, #F2FFF6);
  margin-bottom: 10px;
}

.page-register__step-text {
  color: var(--text-secondary, #A7D9B8);
  font-size: 1em;
}

.page-register__mt-40 {
  margin-top: 40px;
}

.page-register__faq-section {
  background-color: var(--deep-green, #0A4B2C);
}

.page-register__faq-list {
  max-width: 900px;
  margin: 40px auto 0 auto;
}

.page-register__faq-item {
  background-color: var(--card-bg, #11271B);
  margin-bottom: 15px;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.page-register__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  cursor: pointer;
  color: var(--text-main, #F2FFF6);
  font-weight: bold;
  font-size: 1.1em;
  border-bottom: 1px solid var(--divider, #1E3A2A);
  list-style: none; /* For details/summary */
}

.page-register__faq-question::-webkit-details-marker {
  display: none;
}

.page-register__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 15px;
  color: var(--glow, #57E38D);
}

.page-register__faq-answer {
  padding: 20px;
  padding-top: 0;
  color: var(--text-secondary, #A7D9B8);
  font-size: 1em;
}

.page-register__cta-section {
  background-color: var(--background, #08160F);
  text-align: center;
}

.page-register__cta-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
}

.page-register__cta-image {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  min-width: 200px;
  min-height: 200px;
}

/* Responsive styles */
@media (max-width: 1024px) {
  .page-register__form-wrapper {
    flex-direction: column;
  }

  .page-register__registration-form,
  .page-register__form-illustration {
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .page-register__hero-section {
    padding: 40px 15px;
    padding-top: 10px; /* body đã padding-top: var(--header-offset) */
  }

  .page-register__hero-title {
    font-size: 2em; /* Adjusted for mobile */
  }

  .page-register__hero-description {
    font-size: 1em;
  }

  .page-register__section-padding {
    padding: 60px 15px;
  }

  .page-register__section-title {
    font-size: 1.8em;
  }

  .page-register__section-description {
    font-size: 0.95em;
    margin-bottom: 30px;
  }

  .page-register__registration-form {
    padding: 30px;
  }

  .page-register__form-input {
    width: calc(100% - 20px);
  }

  .page-register__captcha-input-group {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-register__captcha-input {
    width: 100%;
  }

  .page-register__captcha-image {
    width: 100px; /* Adjusted for mobile */
    height: 35px;
  }

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

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

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

  .page-register__faq-answer {
    font-size: 0.9em;
  }

  /* Mobile image, video, button 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__form-wrapper,
  .page-register__registration-form,
  .page-register__form-illustration,
  .page-register__benefits-grid,
  .page-register__steps-grid,
  .page-register__faq-list,
  .page-register__cta-content {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }

  .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;
    gap: 10px;
  }

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

  .page-register__cta-buttons {
    display: flex;
    flex-direction: column;
  }
}

/* Body background color check for text contrast */
.page-register {
  color: var(--text-main, #F2FFF6); /* Default text for dark background */
}

.page-register__dark-section {
  background: var(--deep-green, #0A4B2C);
  color: var(--text-main, #F2FFF6); /* Forced white text for deep green background */
}

.page-register__card {
  background: var(--card-bg, #11271B);
  color: var(--text-main, #F2FFF6);
}

.page-register__section-title.page-register__text-main,
.page-register__benefit-title.page-register__text-main,
.page-register__step-title.page-register__text-main {
  color: var(--text-main, #F2FFF6);
}

.page-register__section-description.page-register__text-secondary,
.page-register__benefit-text.page-register__text-secondary,
.page-register__step-text.page-register__text-secondary,
.page-register__faq-answer .page-register__text-secondary {
  color: var(--text-secondary, #A7D9B8);
}

.page-register__faq-question {
  color: var(--text-main, #F2FFF6);
}

.page-register__faq-answer p {
  color: var(--text-secondary, #A7D9B8);
}