.page-nh {
  font-family: 'Arial', sans-serif;
  color: #333333; /* Default text color for light body background */
  background-color: #f8f9fa; /* Matches body background from shared.css */
  line-height: 1.6;
}

.page-nh__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  padding-top: 10px; /* Small top padding, main offset from body padding-top */
  background: linear-gradient(180deg, #113B7A 0%, #08162B 100%); /* Deep Navy background for hero */
  color: #F3F8FF; /* Light text for dark background */
}

.page-nh__hero-container {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.page-nh__hero-image {
  width: 100%;
  margin-bottom: 30px;
  max-width: 900px; /* Limit hero image width */
}

.page-nh__hero-image img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-nh__hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  width: 100%;
}

.page-nh__main-title {
  color: #F2C14E; /* Gold color for main title */
  font-size: clamp(2em, 4vw, 3.5em); /* Responsive font size */
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
  letter-spacing: 0.05em;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.page-nh__description {
  font-size: 1.1em;
  max-width: 800px;
  margin: 0 auto 30px;
  color: #AFC4E8; /* Text Secondary */
}

.page-nh__cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

.page-nh__cta-button {
  display: inline-block;
  padding: 15px 40px;
  background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  color: #ffffff;
  text-decoration: none;
  border-radius: 5px;
  font-size: 18px;
  font-weight: bold;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  border: none;
  cursor: pointer;
  max-width: 100%; /* Responsive button */
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-nh__cta-button.page-nh__btn-secondary {
  background: #1D5FD1; /* Auxiliary color */
  border: 2px solid #1D5FD1;
}

.page-nh__cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  opacity: 0.9;
}

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

.page-nh__section-title {
  font-size: 2.5em;
  font-weight: 700;
  color: #113B7A; /* Primary color */
  text-align: center;
  margin-bottom: 40px;
  position: relative;
}

.page-nh__section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: #F2C14E; /* Gold */
  margin: 15px auto 0;
  border-radius: 2px;
}

.page-nh__container {
  max-width: 1200px;
  margin: 0 auto;
}

.page-nh__container--center {
  text-align: center;
}

.page-nh__text-block {
  font-size: 1.1em;
  line-height: 1.8;
  margin-bottom: 20px;
  text-align: justify;
  color: #333333; /* Dark text for light background */
}

.page-nh__about-nổhũ .page-nh__text-block {
  text-align: center;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

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

.page-nh__card {
  background: #ffffff; /* Default light background */
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  padding: 30px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: #333333; /* Dark text for light background */
}

.page-nh__card--dark {
  background: #10233F; /* Card BG */
  color: #F3F8FF; /* Text Main */
  border: 1px solid #244D84; /* Border */
}

.page-nh__card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-nh__card-title {
  font-size: 1.5em;
  color: #F2C14E; /* Gold */
  margin-top: 0;
  margin-bottom: 15px;
  font-weight: 600;
}

.page-nh__card--dark .page-nh__card-title {
  color: #F2C14E; /* Gold */
}

.page-nh__card-text {
  font-size: 1em;
  line-height: 1.7;
  color: #AFC4E8; /* Text Secondary */
}

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

.page-nh__game-card {
  background: #ffffff;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: #333333;
}

.page-nh__game-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-nh__game-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  border-bottom: 1px solid #e0e0e0;
}

.page-nh__game-title {
  font-size: 1.3em;
  font-weight: 600;
  color: #113B7A; /* Primary color */
  padding: 15px 20px 5px;
}

.page-nh__game-description {
  font-size: 0.95em;
  line-height: 1.6;
  color: #555555;
  padding: 0 20px 20px;
}

.page-nh__list {
  list-style: decimal;
  padding-left: 25px;
  margin-bottom: 20px;
  font-size: 1.1em;
  color: #333333;
}

.page-nh__list li {
  margin-bottom: 10px;
}

.page-nh__list--bullet {
  list-style: disc;
}

.page-nh__list strong {
  color: #113B7A; /* Primary color */
}

.page-nh__list a {
  color: #1D5FD1;
  text-decoration: none;
  font-weight: bold;
}

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

/* FAQ Section */
.page-nh__faq-section {
  background-color: #f0f4f8;
}

details.page-nh__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid #e0e0e0;
  overflow: hidden;
  background: #fff;
}
details.page-nh__faq-item summary.page-nh__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;
}
details.page-nh__faq-item summary.page-nh__faq-question::-webkit-details-marker {
  display: none;
}
details.page-nh__faq-item summary.page-nh__faq-question:hover {
  background: #f5f5f5;
}
.page-nh__faq-qtext {
  flex: 1;
  font-size: 1.1em;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: #113B7A; /* Primary color */
}
.page-nh__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #666;
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}
details.page-nh__faq-item .page-nh__faq-answer {
  padding: 0 20px 20px;
  background: #f9f9f9;
  border-radius: 0 0 5px 5px;
  font-size: 1em;
  color: #555555;
}

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

.page-nh__final-cta {
  background: linear-gradient(135deg, #1D5FD1 0%, #113B7A 100%);
  color: #ffffff;
  padding: 80px 20px;
}

.page-nh__final-cta .page-nh__section-title {
  color: #F2C14E; /* Gold */
}

.page-nh__final-cta .page-nh__description,
.page-nh__final-cta .page-nh__text-block {
  color: #F3F8FF; /* Text Main */
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-nh__final-cta .page-nh__cta-button {
  background: linear-gradient(180deg, #F2C14E 0%, #E0A800 100%); /* Gold button */
  color: #113B7A;
  font-weight: bold;
}

.page-nh__final-cta .page-nh__cta-button:hover {
  background: linear-gradient(180deg, #F2C14E 0%, #D49B00 100%);
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-nh__hero-section {
    padding: 40px 15px;
  }
  .page-nh__section {
    padding: 60px 15px;
  }
  .page-nh__main-title {
    font-size: clamp(2em, 5vw, 3em);
  }
  .page-nh__section-title {
    font-size: 2em;
  }
  .page-nh__description,
  .page-nh__text-block {
    font-size: 1em;
  }
  .page-nh__cta-buttons {
    gap: 15px;
  }
  .page-nh__cta-button {
    padding: 12px 30px;
    font-size: 16px;
  }
  .page-nh__card-title {
    font-size: 1.3em;
  }
  .page-nh__faq-qtext {
    font-size: 1em;
  }
}

@media (max-width: 768px) {
  .page-nh__hero-section {
    padding-top: 10px !important; /* Small top padding for mobile hero */
    padding-bottom: 40px;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-nh__section {
    padding: 40px 15px;
  }
  .page-nh__main-title {
    font-size: clamp(1.8em, 7vw, 2.5em);
    margin-bottom: 15px;
  }
  .page-nh__section-title {
    font-size: 1.8em;
    margin-bottom: 30px;
  }
  .page-nh__description,
  .page-nh__text-block {
    font-size: 0.95em;
  }
  .page-nh__hero-image img {
    border-radius: 4px;
  }
  .page-nh__cta-buttons {
    flex-direction: column;
    gap: 10px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-nh__cta-button {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 12px 20px;
    font-size: 16px;
    white-space: normal !important;
    word-wrap: break-word !important;
  }
  .page-nh__card {
    padding: 25px;
  }
  .page-nh__card-title {
    font-size: 1.2em;
  }
  .page-nh__game-card img {
    
  }
  .page-nh__game-title {
    font-size: 1.1em;
  }
  .page-nh__list {
    font-size: 1em;
  }
  details.page-nh__faq-item summary.page-nh__faq-question {
    padding: 15px;
  }
  .page-nh__faq-qtext {
    font-size: 0.95em;
  }
  .page-nh__faq-toggle {
    font-size: 20px;
    width: 24px;
    height: 24px;
  }
  details.page-nh__faq-item .page-nh__faq-answer {
    padding: 0 15px 15px;
  }
  /* Image responsive rules */
  .page-nh img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-nh__section,
  .page-nh__card,
  .page-nh__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-nh__final-cta {
    padding: 50px 15px;
  }
}

@media (max-width: 480px) {
  .page-nh__hero-section {
    padding-bottom: 30px;
  }
  .page-nh__section {
    padding: 30px 10px;
  }
  .page-nh__main-title {
    font-size: clamp(1.6em, 8vw, 2em);
  }
  .page-nh__section-title {
    font-size: 1.6em;
  }
  .page-nh__cta-buttons {
    padding-left: 10px;
    padding-right: 10px;
  }
  .page-nh__game-card img {
    
  }
  details.page-nh__faq-item summary.page-nh__faq-question {
    padding: 12px;
  }
  .page-nh__faq-qtext {
    font-size: 0.9em;
  }
  .page-nh__faq-toggle {
    font-size: 18px;
  }
  details.page-nh__faq-item .page-nh__faq-answer {
    padding: 0 12px 12px;
  }
  .page-nh__section,
  .page-nh__card,
  .page-nh__container {
    padding-left: 10px;
    padding-right: 10px;
  }
}