.page-register {
  color: #F2FFF6; /* Text Main */
  background-color: #08160F; /* Background */
}

.page-register__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: 10px;
  padding-bottom: 40px;
  overflow: hidden;
}

.page-register__hero-image-wrapper {
  width: 100%;
  max-height: 675px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-register__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-register__hero-content {
  text-align: center;
  padding: 20px;
  max-width: 900px;
  margin-top: 20px;
}

.page-register__main-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 15px;
  color: #F2FFF6; /* Text Main */
}

.page-register__hero-description {
  font-size: 18px;
  line-height: 1.6;
  margin-bottom: 30px;
  color: #A7D9B8; /* Text Secondary */
}

.page-register__cta-button {
  display: inline-block;
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #ffffff;
  padding: 14px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 18px;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-register__cta-button:hover {
  background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.page-register__section {
  padding: 60px 0;
}

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

.page-register__section-title {
  font-size: clamp(24px, 3.5vw, 40px);
  font-weight: 700;
  text-align: center;
  margin-bottom: 20px;
  color: #F2FFF6; /* Text Main */
}

.page-register__section-description {
  font-size: 17px;
  line-height: 1.6;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px auto;
  color: #A7D9B8; /* Text Secondary */
}

.page-register__why-register .page-register__section-description {
  margin-bottom: 60px;
}

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

.page-register__feature-card {
  background-color: #11271B; /* Card BG */
  border: 1px solid #2E7A4E; /* Border */
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-register__feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-register__feature-icon {
  width: 100%;
  max-width: 300px;
  height: auto;
  margin-bottom: 20px;
  border-radius: 8px;
  object-fit: cover;
}

.page-register__feature-title {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 15px;
  color: #F2FFF6; /* Text Main */
}

.page-register__feature-text {
  font-size: 16px;
  line-height: 1.6;
  color: #A7D9B8; /* Text Secondary */
}

.page-register__registration-guide .page-register__section-description {
  margin-bottom: 60px;
}

.page-register__steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  margin-bottom: 60px;
}

.page-register__step-card {
  background-color: #11271B; /* Card BG */
  border: 1px solid #2E7A4E; /* Border */
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.page-register__step-number {
  width: 60px;
  height: 60px;
  line-height: 60px;
  margin: 0 auto 20px auto;
  background: #11A84E; /* Main color */
  color: #F2FFF6; /* Text Main */
  font-size: 28px;
  font-weight: 700;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.page-register__step-title {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 15px;
  color: #F2FFF6; /* Text Main */
}

.page-register__step-text {
  font-size: 16px;
  line-height: 1.6;
  color: #A7D9B8; /* Text Secondary */
  margin-bottom: 20px;
}

.page-register__step-image {
  width: 100%;
  max-width: 400px;
  height: auto;
  border-radius: 8px;
  object-fit: cover;
}

.page-register__cta-container {
  text-align: center;
}

.page-register__cta-button--large {
  padding: 16px 40px;
  font-size: 20px;
}

.page-register__terms-conditions .page-register__terms-list {
  list-style: none;
  padding: 0;
  margin: 0 auto 40px auto;
  max-width: 900px;
  text-align: left;
}

.page-register__terms-list li {
  background-color: #11271B; /* Card BG */
  border: 1px solid #2E7A4E; /* Border */
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 15px;
  font-size: 16px;
  line-height: 1.6;
  color: #A7D9B8; /* Text Secondary */
}

.page-register__terms-list li p {
  margin: 0;
}

.page-register__terms-list li strong {
  color: #F2FFF6; /* Text Main */
}

.page-register__faq-section {
  background-color: #0A4B2C; /* Deep Green */
}

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

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

.page-register__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 18px;
  font-weight: 600;
  color: #F2FFF6; /* Text Main */
  cursor: pointer;
  list-style: none;
  background-color: #11271B;
  transition: background-color 0.3s ease;
}

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

.page-register__faq-question:hover {
  background-color: #1E3A2A; /* Divider */
}

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

.page-register__faq-toggle {
  font-size: 24px;
  font-weight: 700;
  margin-left: 15px;
  color: #57E38D; /* Glow */
}

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

.page-register__faq-answer {
  padding: 15px 25px 20px 25px;
  font-size: 16px;
  line-height: 1.6;
  color: #A7D9B8; /* Text Secondary */
  border-top: 1px solid #2E7A4E;
}

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

.page-register__final-cta {
  text-align: center;
  padding-bottom: 80px;
}

.page-register__cta-button--final {
  margin-top: 30px;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-register__main-title {
    font-size: clamp(24px, 5vw, 40px);
  }
  .page-register__hero-description {
    font-size: 17px;
  }
  .page-register__section-title {
    font-size: clamp(22px, 4vw, 36px);
  }
  .page-register__section-description {
    font-size: 16px;
  }
  .page-register__features-grid,
  .page-register__steps-grid {
    gap: 20px;
  }
}

@media (max-width: 768px) {
  .page-register__hero-section {
    padding-bottom: 30px;
  }
  .page-register__hero-content {
    padding: 15px;
  }
  .page-register__main-title {
    font-size: clamp(20px, 6vw, 36px);
  }
  .page-register__hero-description {
    font-size: 15px;
    margin-bottom: 20px;
  }
  .page-register__cta-button {
    padding: 12px 25px;
    font-size: 16px;
  }
  .page-register__section {
    padding: 40px 0;
  }
  .page-register__section-title {
    font-size: clamp(20px, 5vw, 32px);
  }
  .page-register__section-description {
    font-size: 15px;
    margin-bottom: 30px;
  }
  .page-register__features-grid,
  .page-register__steps-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .page-register__feature-card,
  .page-register__step-card {
    padding: 25px;
  }
  .page-register__feature-title,
  .page-register__step-title {
    font-size: 20px;
  }
  .page-register__feature-text,
  .page-register__step-text {
    font-size: 15px;
  }
  .page-register__step-number {
    width: 50px;
    height: 50px;
    line-height: 50px;
    font-size: 24px;
    margin-bottom: 15px;
  }
  .page-register__terms-list li {
    padding: 15px;
    font-size: 15px;
  }
  .page-register__faq-question {
    padding: 15px 20px;
    font-size: 16px;
  }
  .page-register__faq-answer {
    padding: 12px 20px 15px 20px;
    font-size: 15px;
  }
  .page-register__cta-button--large {
    padding: 14px 30px;
    font-size: 18px;
  }

  /* Mobile image, video, button responsive adapt */
  .page-register img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-register video {
    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-image-wrapper,
  .page-register__features-grid,
  .page-register__steps-grid,
  .page-register__faq-list,
  .page-register__terms-list {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow-x: hidden;
  }
  .page-register__cta-button,
  .page-register__cta-button--large {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }
  .page-register__cta-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-register__video-section {
    padding-top: 10px !important; /* body đã có --header-offset */
  }
}