.page-register {
  font-family: 'Arial', sans-serif;
  background-color: #08160F; /* Nền tối */
  color: #F2FFF6; /* Chữ sáng */
  line-height: 1.6;
}

.page-register__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 60px 20px;
  padding-top: 10px; /* Nhỏ hơn so với header offset */
  background-color: #08160F;
  overflow: hidden;
}

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

.page-register__hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.4); /* Làm tối hình ảnh để chữ dễ đọc */
}

.page-register__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  color: #F2FFF6;
  padding: 20px;
  background: rgba(17, 39, 27, 0.7); /* Card B G với độ trong suốt */
  border-radius: 10px;
}

.page-register__main-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: #F2C14E; /* Gold */
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-register__hero-description {
  font-size: 1.2rem;
  margin-bottom: 30px;
  color: #A7D9B8;
}

.page-register__cta-button {
  display: inline-block;
  padding: 15px 30px;
  font-size: 1.1rem;
  font-weight: 700;
  color: #F2FFF6;
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  border-radius: 50px;
  text-decoration: none;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-register__cta-button:hover {
  background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.page-register__cta-button--large {
  padding: 18px 40px;
  font-size: 1.3rem;
}

.page-register__cta-button--dark {
  color: #F2FFF6;
}

.page-register__section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: #F2C14E; /* Gold */
  text-align: center;
  margin-bottom: 40px;
  padding-top: 60px;
}

.page-register__section-title--dark {
  color: #0A4B2C; /* Deep Green */
}

.page-register__description {
  font-size: 1.1rem;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px auto;
  color: #A7D9B8;
}

.page-register__description--dark {
  color: #333333; /* Dark text for light background */
}

.page-register__why-join-section {
  padding: 80px 20px;
  background-color: #0A4B2C; /* Deep Green */
  text-align: center;
}

.page-register__dark-section {
  background-color: #0A4B2C;
  color: #F2FFF6;
}

.page-register__light-bg {
  background-color: #F2FFF6;
  color: #333333;
}

.page-register__cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto 60px auto;
}

.page-register__card {
  background-color: #11271B; /* Card B G */
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: #F2FFF6;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-register__card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-register__card-icon {
  width: 100px;
  height: 100px;
  object-fit: contain;
  margin-bottom: 20px;
  filter: brightness(1.2); /* Làm sáng icon một chút */
}

.page-register__card-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: #F2C14E; /* Gold */
  margin-bottom: 15px;
}

.page-register__card-text {
  font-size: 1rem;
  color: #A7D9B8;
}

.page-register__how-to-register-section {
  padding: 80px 20px;
  background-color: #F2FFF6;
}

.page-register__steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto 60px auto;
}

.page-register__step-card {
  background-color: #FFFFFF; /* White background for steps */
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: #333333;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-register__step-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
}

.page-register__step-number {
  width: 60px;
  height: 60px;
  background-color: #11A84E; /* Main color */
  color: #F2FFF6;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 20px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.2);
}

.page-register__step-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: #0A4B2C; /* Deep Green */
  margin-bottom: 15px;
}

.page-register__step-text {
  font-size: 1rem;
  color: #555555;
}

.page-register__cta-container {
  text-align: center;
  margin-top: 40px;
}

.page-register__cta-container--dark {
  background-color: #F2FFF6; /* Light background for CTA in light section */
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.page-register__security-section {
  padding: 80px 20px;
  background-color: #0A4B2C;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.page-register__content-wrapper {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.page-register__security-image {
  flex: 1 1 400px;
  max-width: 500px;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
  object-fit: cover;
}

.page-register__security-text-block {
  flex: 1 1 400px;
  text-align: left;
  color: #A7D9B8;
  font-size: 1.1rem;
}

.page-register__security-text-block h3 {
  color: #F2C14E; /* Gold */
  font-size: 1.6rem;
  margin-bottom: 15px;
}

.page-register__security-text-block ul {
  list-style: none;
  padding-left: 0;
  margin-top: 20px;
}

.page-register__security-text-block li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 10px;
}

.page-register__security-text-block li::before {
  content: '✔';
  color: #2AD16F; /* Bright green checkmark */
  position: absolute;
  left: 0;
  font-weight: bold;
}

.page-register__promotions-section {
  padding: 80px 20px;
  background-color: #F2FFF6;
}

.page-register__promo-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto 60px auto;
}

.page-register__promo-card {
  background-color: #FFFFFF; /* White background */
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: #333333;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-register__promo-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
}

.page-register__promo-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
}

.page-register__promo-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: #0A4B2C; /* Deep Green */
  margin-bottom: 15px;
}

.page-register__promo-text {
  font-size: 1rem;
  color: #555555;
  flex-grow: 1;
}

.page-register__promo-button {
  display: inline-block;
  padding: 10px 20px;
  font-size: 0.9rem;
  font-weight: 600;
  color: #F2FFF6;
  background: #11A84E; /* Main color */
  border-radius: 50px;
  text-decoration: none;
  margin-top: 20px;
  transition: background-color 0.3s ease;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-register__promo-button:hover {
  background-color: #22C768; /* Auxiliary color */
}

.page-register__faq-section {
  padding: 80px 20px;
  background-color: #0A4B2C;
  text-align: center;
}

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

.page-register__faq-item {
  background-color: #11271B; /* Card B G */
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: #F2FFF6;
}

.page-register__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  font-size: 1.1rem;
  font-weight: 600;
  color: #F2C14E; /* Gold */
  cursor: pointer;
  background-color: #11271B;
  list-style: none; /* For details/summary */
}

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

.page-register__faq-item summary {
  list-style: none;
}

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

.page-register__faq-toggle {
  font-size: 1.8rem;
  line-height: 1;
  margin-left: 20px;
  color: #2AD16F; /* Bright green */
}

.page-register__faq-answer {
  padding: 0 20px 20px 20px;
  font-size: 1rem;
  color: #A7D9B8;
  border-top: 1px solid #2E7A4E; /* Divider */
}

.page-register__faq-item[open] .page-register__faq-toggle {
  content: '−';
}

.page-register__final-cta-section {
  padding: 80px 20px;
  background-color: #F2FFF6;
  text-align: center;
}

.page-register__contact-info {
  margin-top: 30px;
  font-size: 1rem;
  color: #555555;
}

.page-register__contact-link {
  color: #11A84E; /* Main color */
  text-decoration: none;
  font-weight: 600;
}

.page-register__contact-link:hover {
  text-decoration: underline;
}

/* Responsive styles */
@media (max-width: 1024px) {
  .page-register__hero-content {
    padding: 15px;
  }

  .page-register__main-title {
    font-size: clamp(1.8rem, 4.5vw, 3rem);
  }

  .page-register__hero-description {
    font-size: 1.1rem;
  }

  .page-register__section-title {
    font-size: 2rem;
  }

  .page-register__security-image {
    flex: 1 1 300px;
  }

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

@media (max-width: 768px) {
  .page-register__hero-section {
    padding: 40px 15px;
    padding-top: 10px !important;
  }

  .page-register__main-title {
    font-size: clamp(1.5rem, 7vw, 2.5rem);
  }

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

  .page-register__cta-button,
  .page-register__cta-button--large,
  .page-register__promo-button {
    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-container,
  .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-title {
    font-size: 1.8rem;
    margin-bottom: 30px;
    padding-top: 40px;
  }

  .page-register__description {
    font-size: 0.95rem;
    margin-bottom: 40px;
  }

  .page-register__cards-grid,
  .page-register__steps-grid,
  .page-register__promo-cards-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-left: 15px;
    margin-right: 15px;
  }

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

  .page-register__security-section {
    padding: 60px 15px;
  }

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

  .page-register__security-image {
    width: 100%;
    max-width: 100%;
    height: auto;
  }

  .page-register__security-text-block {
    text-align: center;
  }

  .page-register__security-text-block li {
    text-align: left;
    padding-left: 30px;
  }

  .page-register__promotions-section,
  .page-register__how-to-register-section,
  .page-register__why-join-section,
  .page-register__faq-section,
  .page-register__final-cta-section {
    padding: 60px 15px;
  }

  .page-register__faq-list {
    margin-left: 15px;
    margin-right: 15px;
  }
  
  .page-register img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .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;
  }
}