.page-register {
  color: #F2FFF6; /* Text Main - đảm bảo tương phản với nền tối */
  background-color: #08160F; /* Nền chính */
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
}

.page-register__hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 10px 20px 60px 20px; /* body đã có padding-top, đây chỉ là khoảng cách nhỏ */
  position: relative;
  overflow: hidden;
}

.page-register__hero-image-wrapper {
  width: 100%;
  max-width: 1920px;
  margin-bottom: 30px;
}

.page-register__hero-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.page-register__hero-content {
  max-width: 900px;
  margin: 0 auto;
  position: relative; /* Đảm bảo nội dung nằm trên ảnh nếu có */
  z-index: 2;
}

.page-register__main-title {
  font-size: clamp(2em, 4vw, 3.2em);
  font-weight: 700;
  color: #F2FFF6; /* Text Main */
  margin-bottom: 20px;
  line-height: 1.2;
  text-shadow: 0 4px 8px rgba(0, 0, 0, 0.5);
}

.page-register__hero-description,
.page-register__section-description,
.page-register__feature-text,
.page-register__step-text,
.page-register__benefit-text,
.page-register__faq-answer p,
.page-register__cta-subtext {
  color: #A7D9B8; /* Text Secondary */
  font-size: 1.1em;
  margin-bottom: 20px;
}

.page-register__cta-button {
  display: inline-block;
  padding: 15px 35px;
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #F2FFF6; /* Text Main */
  text-decoration: none;
  border-radius: 8px;
  font-weight: 700;
  font-size: 1.1em;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-register__cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
  opacity: 0.9;
}

.page-register__why-choose-us-section,
.page-register__how-to-register-section,
.page-register__benefits-section,
.page-register__faq-section,
.page-register__call-to-action-section {
  padding: 80px 20px;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  box-sizing: border-box;
}

.page-register__section-title {
  font-size: clamp(1.8em, 3.5vw, 2.8em);
  color: #F2FFF6; /* Text Main */
  margin-bottom: 25px;
  font-weight: 700;
  position: relative;
  padding-bottom: 10px;
}

.page-register__section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: #11A84E;
  margin: 10px auto 0;
  border-radius: 2px;
}

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

.page-register__feature-card,
.page-register__benefit-item {
  background-color: #11271B; /* Card BG */
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  border: 1px solid #2E7A4E; /* Border */
}

.page-register__feature-card:hover,
.page-register__benefit-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.page-register__feature-icon,
.page-register__benefit-icon {
  width: 100%;
  max-width: 150px;
  height: auto;
  margin-bottom: 20px;
  border-radius: 8px;
}

.page-register__feature-title,
.page-register__benefit-title,
.page-register__step-title {
  font-size: 1.4em;
  color: #F2FFF6; /* Text Main */
  margin-bottom: 15px;
  font-weight: 600;
}

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

.page-register__step-card {
  background-color: #11271B; /* Card BG */
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
  text-align: center;
  border: 1px solid #2E7A4E; /* Border */
}

.page-register__step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: #11A84E;
  color: #F2FFF6; /* Text Main */
  border-radius: 50%;
  font-size: 1.8em;
  font-weight: 700;
  margin-bottom: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-register__cta-wrapper {
  margin-top: 50px;
}

.page-register__cta-button--large {
  padding: 18px 45px;
  font-size: 1.2em;
}

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

.page-register__faq-item {
  background-color: #11271B; /* Card BG */
  border: 1px solid #2E7A4E; /* Border */
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.page-register__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  cursor: pointer;
  font-size: 1.2em;
  font-weight: 600;
  color: #F2FFF6; /* Text Main */
  background-color: #0A4B2C; /* Deep Green */
  border-bottom: 1px solid transparent; /* default */
}

.page-register__faq-item[open] .page-register__faq-question {
  border-bottom-color: #2E7A4E;
}

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

.page-register__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 15px;
  color: #57E38D; /* Glow */
}

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

.page-register__faq-answer {
  padding: 20px 25px;
  color: #A7D9B8; /* Text Secondary */
  font-size: 1.05em;
}

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

.page-register__call-to-action-section {
  padding: 80px 20px;
  background: linear-gradient(135deg, #0A4B2C 0%, #11A84E 100%); /* Deep Green to Main Color */
  border-radius: 15px;
  margin-top: 60px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.page-register__call-to-action-section .page-register__section-title,
.page-register__call-to-action-section .page-register__section-description {
  color: #F2FFF6; /* Text Main */
}

.page-register__call-to-action-section .page-register__section-title::after {
  background: #F2C14E; /* Gold */
}

.page-register__cta-button--primary {
  background: linear-gradient(180deg, #F2C14E 0%, #E0A800 100%); /* Gold gradient */
  color: #08160F; /* Nền chính */
  font-weight: 800;
  padding: 18px 50px;
  font-size: 1.3em;
}

.page-register__cta-button--primary:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.page-register__cta-subtext {
  margin-top: 25px;
  font-size: 1.1em;
  color: #F2FFF6; /* Text Main */
  opacity: 0.8;
}

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

  .page-register__hero-section {
    padding: 10px 15px 40px 15px;
  }

  .page-register__main-title {
    font-size: clamp(1.8em, 7vw, 2.5em);
  }

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

  .page-register__cta-button {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding: 15px 20px !important;
    font-size: 1em !important;
  }

  .page-register__why-choose-us-section,
  .page-register__how-to-register-section,
  .page-register__benefits-section,
  .page-register__faq-section,
  .page-register__call-to-action-section {
    padding: 40px 15px;
  }

  .page-register__section-title {
    font-size: clamp(1.6em, 6vw, 2.2em);
  }

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

  .page-register__feature-icon,
  .page-register__benefit-icon {
    max-width: 100px;
  }

  .page-register__feature-title,
  .page-register__benefit-title,
  .page-register__step-title {
    font-size: 1.2em;
  }

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

  .page-register__faq-answer {
    padding: 15px 20px;
    font-size: 0.95em;
  }

  .page-register__cta-button--large,
  .page-register__cta-button--primary {
    padding: 15px 30px !important;
    font-size: 1.1em !important;
  }

  /* Mobile image responsiveness */
  .page-register img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-register__hero-image-wrapper,
  .page-register__feature-card,
  .page-register__benefit-item,
  .page-register__step-card,
  .page-register__faq-item,
  .page-register__call-to-action-section {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !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__cta-buttons {
    display: flex;
    flex-direction: column;
  }
}

/* Ensure images within content areas are at least 200x200 or larger */
.page-register__feature-card img,
.page-register__benefit-item img {
  min-width: 200px;
  min-height: 200px;
  object-fit: cover; /* Ensures image covers area without distorting */
}

.page-register__hero-image {
  min-width: 200px;
  min-height: 200px;
  object-fit: cover;
}