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

.page-register__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 15px;
  box-sizing: border-box;
}

.page-register__section {
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}

.page-register__section-title {
  font-size: 36px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 20px;
  color: #F2FFF6;
}

.page-register__section-title--light {
  color: #F2FFF6;
}

.page-register__section-description {
  font-size: 18px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px;
  color: #A7D9B8;
}

.page-register__section-description--light {
  color: #A7D9B8;
}

.page-register__sub-title {
  font-size: 24px;
  font-weight: 600;
  margin-top: 30px;
  margin-bottom: 15px;
  color: #F2FFF6;
}

.page-register__sub-title--light {
  color: #F2FFF6;
}

.page-register__hero-section {
  padding-top: 10px; /* Small top padding, not --header-offset */
  background-color: #08160F;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

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

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

.page-register__hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 40px 15px;
  max-width: 900px;
  margin-top: -100px; /* Pull content up slightly over image */
}

.page-register__hero-title {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 20px;
  color: #F2FFF6;
  line-height: 1.2;
}

.page-register__hero-description {
  font-size: 20px;
  color: #A7D9B8;
  margin-bottom: 30px;
  line-height: 1.5;
}

.page-register__hero-cta-buttons,
.page-register__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

.page-register__btn-primary,
.page-register__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
  box-sizing: border-box;
  max-width: 100%;
}

.page-register__btn-primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #F2FFF6;
  border: none;
  box-shadow: 0 4px 15px rgba(17, 168, 78, 0.4);
}

.page-register__btn-primary:hover {
  background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(17, 168, 78, 0.6);
}

.page-register__btn-secondary {
  background: transparent;
  color: #57E38D; /* Glow color for border and text */
  border: 2px solid #57E38D;
}

.page-register__btn-secondary:hover {
  background: #57E38D;
  color: #08160F;
  transform: translateY(-2px);
}

.page-register__dark-bg {
  background-color: #08160F;
}

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

.page-register__card-bg {
  background-color: #11271B; /* Card BG */
  color: #F2FFF6;
  border: 1px solid #2E7A4E; /* Border */
}

.page-register__card-light-bg {
  background-color: #11271B; /* Card BG */
  color: #F2FFF6;
  border: 1px solid #2E7A4E; /* Border */
}

.page-register__feature-card {
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-register__feature-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 10px;
  color: #F2FFF6;
}

.page-register__feature-title--main {
  color: #F2FFF6;
}

.page-register__feature-text {
  font-size: 16px;
  color: #A7D9B8;
}

.page-register__feature-text--secondary {
  color: #A7D9B8;
}

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

.page-register__step-card {
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  position: relative;
  overflow: hidden;
}

.page-register__step-number {
  font-size: 48px;
  font-weight: 800;
  color: #F2C14E; /* Gold */
  margin-bottom: 15px;
}

.page-register__step-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 10px;
  color: #F2FFF6;
}

.page-register__step-text {
  font-size: 16px;
  color: #A7D9B8;
}

.page-register__image-promo,
.page-register__image-security,
.page-register__image-support {
  text-align: center;
  margin-top: 50px;
}

.page-register__image-promo img,
.page-register__image-security img,
.page-register__image-support img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
  display: block;
  margin: 0 auto;
}

.page-register__image-caption {
  font-size: 14px;
  color: #A7D9B8;
  margin-top: 15px;
}

.page-register__content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  margin-top: 40px;
}

.page-register__text-content p {
  margin-bottom: 15px;
  color: #A7D9B8;
}

.page-register__image-aside img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

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

.page-register__commitment-card {
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.page-register__card-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 10px;
  color: #F2FFF6;
}

.page-register__card-text {
  font-size: 16px;
  color: #A7D9B8;
}

.page-register__trouble-list {
  list-style: none;
  padding: 0;
  margin: 40px auto;
  max-width: 800px;
}

.page-register__trouble-list li {
  background-color: #11271B; /* Card BG */
  border: 1px solid #2E7A4E; /* Border */
  padding: 20px;
  margin-bottom: 15px;
  border-radius: 8px;
  color: #A7D9B8;
  font-size: 16px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-register__trouble-list li strong {
  color: #F2FFF6;
  font-weight: 700;
}

.page-register__trouble-contact {
  text-align: center;
  margin-top: 30px;
  font-size: 16px;
  color: #A7D9B8;
}

.page-register__trouble-contact a {
  color: #57E38D; /* Glow color */
  text-decoration: none;
  font-weight: 600;
}

.page-register__trouble-contact a:hover {
  text-decoration: underline;
}

/* FAQ styles */
details.page-register__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  border: 1px solid #2E7A4E; /* Border */
  overflow: hidden;
  background: #11271B; /* Card BG */
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

details.page-register__faq-item summary.page-register__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
  color: #F2FFF6;
}

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

details.page-register__faq-item summary.page-register__faq-question:hover {
  background: #1e3a2a; /* Divider color for hover */
}

.page-register__faq-qtext {
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: #F2FFF6;
}

.page-register__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #57E38D; /* Glow color */
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}

details.page-register__faq-item .page-register__faq-answer {
  padding: 0 20px 20px;
  background: #0A4B2C; /* Deep Green for answer background */
  border-radius: 0 0 8px 8px;
  color: #A7D9B8;
}

.page-register__faq-answer p {
  margin: 0;
  color: #A7D9B8;
}

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

/* General image styling for content area */
.page-register img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* --- Media Queries --- */

@media (max-width: 1024px) {
  .page-register__hero-title {
    font-size: 42px;
  }
  .page-register__hero-description {
    font-size: 18px;
  }
  .page-register__section-title {
    font-size: 32px;
  }
  .page-register__section-description {
    font-size: 16px;
  }
  .page-register__content-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .page-register__image-aside {
    order: -1; /* Image above text on smaller screens */
  }
  .page-register__features-grid,
  .page-register__steps-grid,
  .page-register__commitment-cards {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
  .page-register__hero-content {
    margin-top: -50px;
  }
}

@media (max-width: 849px) {
  .page-register__hero-image img {
    object-fit: contain !important; /* Prevent cropping on smaller screens */
    aspect-ratio: unset !important;
    height: auto !important;
    max-height: 400px; /* Limit height for contain */
  }
}

@media (max-width: 768px) {
  .page-register {
    font-size: 16px;
    line-height: 1.6;
  }
  .page-register__container {
    padding: 0 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-register__section {
    padding: 40px 0;
  }
  .page-register__hero-section {
    padding-top: 10px;
  }
  .page-register__hero-image {
    height: auto;
    max-height: 300px;
  }
  .page-register__hero-content {
    padding: 30px 15px;
    margin-top: 0; /* No negative margin on mobile */
  }
  .page-register__hero-title {
    font-size: 28px; /* clamp(28px, 6vw, 48px) */
    line-height: 1.3;
  }
  .page-register__hero-description {
    font-size: 16px;
    margin-bottom: 20px;
  }
  .page-register__hero-cta-buttons,
  .page-register__cta-buttons {
    flex-direction: column;
    gap: 15px;
    margin-top: 20px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 0 15px;
  }
  .page-register__btn-primary,
  .page-register__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 16px;
    white-space: normal !important;
    word-wrap: break-word !important;
    box-sizing: border-box !important;
  }
  .page-register__section-title {
    font-size: 26px;
    margin-bottom: 15px;
  }
  .page-register__section-description {
    font-size: 15px;
    margin-bottom: 30px;
  }
  .page-register__sub-title {
    font-size: 20px;
  }
  .page-register__features-grid,
  .page-register__steps-grid,
  .page-register__commitment-cards {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-register__feature-card,
  .page-register__step-card,
  .page-register__commitment-card {
    padding: 20px;
  }
  .page-register__step-number {
    font-size: 40px;
  }
  .page-register__step-title {
    font-size: 20px;
  }
  .page-register__step-text {
    font-size: 15px;
  }
  .page-register__image-promo img,
  .page-register__image-security img,
  .page-register__image-support img,
  .page-register__image-aside img,
  .page-register img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    box-sizing: border-box !important;
  }
  .page-register__image-promo,
  .page-register__image-security,
  .page-register__image-support,
  .page-register__text-block,
  .page-register__content-grid {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding: 0 15px;
  }
  .page-register__trouble-list {
    margin: 30px auto;
    padding: 0 15px;
  }
  .page-register__trouble-list li {
    padding: 15px;
    font-size: 15px;
  }
  .page-register__trouble-contact {
    padding: 0 15px;
  }
  details.page-register__faq-item summary.page-register__faq-question {
    padding: 15px;
  }
  .page-register__faq-qtext {
    font-size: 16px;
  }
  .page-register__faq-toggle {
    font-size: 20px;
    width: 24px;
  }
  details.page-register__faq-item .page-register__faq-answer {
    padding: 0 15px 15px;
  }
  .page-register__faq-list {
    margin: 30px auto;
    padding: 0 15px;
  }
}