/* style/nh.css */

/* Custom Colors */
:root {
    --nh-bg-primary: #08160F; /* Background */
    --nh-card-bg: #11271B; /* Card BG */
    --nh-text-main: #F2FFF6; /* Text Main */
    --nh-text-secondary: #A7D9B8; /* Text Secondary */
    --nh-border: #2E7A4E; /* Border */
    --nh-glow: #57E38D; /* Glow */
    --nh-gold: #F2C14E; /* Gold */
    --nh-divider: #1E3A2A; /* Divider */
    --nh-deep-green: #0A4B2C; /* Deep Green */
    --nh-btn-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%); /* Button */
    --nh-primary-color: #11A84E; /* Main color from prompt */
    --nh-secondary-color: #22C768; /* Aux color from prompt */
}

.page-nh {
    font-family: 'Arial', sans-serif;
    color: var(--nh-text-main); /* Dark background, so light text */
    background-color: var(--nh-bg-primary); /* From custom palette */
    line-height: 1.6;
    font-size: 1rem;
}

.page-nh a {
    color: var(--nh-text-main); /* Default link color, adjust for contrast if needed */
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-nh a:hover {
    color: var(--nh-glow);
}

/* Headings */
.page-nh h1,
.page-nh h2,
.page-nh h3 {
    color: var(--nh-text-main);
    margin-bottom: 1rem;
    font-weight: 700;
    line-height: 1.2;
}

.page-nh h1 {
    font-size: clamp(2rem, 5vw, 3.5rem); /* H1 font-size clamp */
    text-align: center;
}

.page-nh h2 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    text-align: center;
    margin-bottom: 2rem;
}

.page-nh h3 {
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    margin-bottom: 0.8rem;
}

/* Sections */
.page-nh__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 0 60px 0; /* Small top padding, relying on body for header offset */
    overflow: hidden;
    box-sizing: border-box;
    background: var(--nh-bg-primary); /* Match body background */
}

.page-nh__hero-image-wrapper {
    width: 100%;
    max-height: 70vh; /* Limit image height */
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.page-nh__hero-image {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
    min-width: 200px; /* Min image size */
    min-height: 200px;
}

.page-nh__hero-content {
    max-width: 900px;
    margin-top: 40px;
    padding: 0 20px;
    text-align: center;
    z-index: 10;
}

.page-nh__hero-description {
    font-size: 1.15rem;
    color: var(--nh-text-secondary);
    margin-bottom: 2.5rem;
}

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

.page-nh__introduction-section,
.page-nh__popular-games-section,
.page-nh__promotions-section,
.page-nh__how-to-play-section,
.page-nh__faq-section,
.page-nh__cta-bottom-section {
    padding: 60px 0;
}

.page-nh__dark-section {
    background-color: var(--nh-bg-primary);
    color: var(--nh-text-main);
}

.page-nh__text-block {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px auto;
    color: var(--nh-text-secondary);
}

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

/* Buttons */
.page-nh__btn-primary,
.page-nh__btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 600;
    text-transform: uppercase;
    transition: all 0.3s ease;
    cursor: pointer;
    white-space: nowrap; /* Prevent text wrap on desktop */
    box-sizing: border-box;
    min-width: 180px;
    text-align: center;
}

.page-nh__btn-primary {
    background: var(--nh-btn-gradient);
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 15px rgba(0, 255, 100, 0.2);
}

.page-nh__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 255, 100, 0.3);
}

.page-nh__btn-secondary {
    background: transparent;
    color: var(--nh-glow);
    border: 2px solid var(--nh-glow);
}

.page-nh__btn-secondary:hover {
    background: var(--nh-glow);
    color: var(--nh-bg-primary);
    transform: translateY(-2px);
}

.page-nh__btn-small {
    padding: 10px 20px;
    font-size: 0.9rem;
    min-width: unset;
}

.page-nh__hero-cta-buttons,
.page-nh__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
    flex-wrap: wrap; /* Allow buttons to wrap on smaller screens */
}

/* Cards */
.page-nh__card {
    background-color: var(--nh-card-bg); /* Card BG */
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--nh-border);
    color: var(--nh-text-secondary);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.page-nh__card h3 {
    color: var(--nh-text-main);
}

/* Feature Grid */
.page-nh__feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-nh__feature-icon {
    width: 200px; /* Min size */
    height: auto;
    margin-bottom: 20px;
    object-fit: contain;
    min-width: 200px;
    min-height: 200px;
    border-radius: 8px;
}

/* Game List */
.page-nh__game-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-nh__game-card {
    padding: 20px;
}

.page-nh__game-image {
    width: 100%;
    height: 250px; /* Fixed height for consistency */
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 15px;
    min-width: 200px;
    min-height: 200px;
}

.page-nh__game-title {
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.page-nh__game-title a {
    color: var(--nh-text-main);
}

.page-nh__game-title a:hover {
    color: var(--nh-glow);
}

.page-nh__game-description {
    font-size: 0.95rem;
    margin-bottom: 20px;
    flex-grow: 1; /* Push button to bottom */
}

.page-nh__view-all-games {
    text-align: center;
    margin-top: 50px;
}

/* Promotion List */
.page-nh__promo-list {
    list-style: none;
    padding: 0;
    margin: 0 auto 40px auto;
    max-width: 900px;
}

.page-nh__promo-item {
    background-color: var(--nh-card-bg);
    border: 1px solid var(--nh-border);
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.page-nh__promo-item:last-child {
    margin-bottom: 0;
}

.page-nh__promo-title {
    color: var(--nh-gold);
    margin-bottom: 10px;
}

.page-nh__promo-description {
    color: var(--nh-text-secondary);
    font-size: 1rem;
}

/* How to Play Steps */
.page-nh__steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-nh__step-card {
    padding: 25px;
}

.page-nh__step-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--nh-gold);
    margin-bottom: 15px;
    background: var(--nh-deep-green);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0 15px rgba(242, 193, 78, 0.3);
}

/* FAQ Section */
.page-nh__faq-list {
    max-width: 900px;
    margin: 40px auto 0 auto;
}

.page-nh__faq-item {
    background-color: var(--nh-card-bg);
    border: 1px solid var(--nh-border);
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
    color: var(--nh-text-secondary);
}

.page-nh__faq-item:last-child {
    margin-bottom: 0;
}

.page-nh__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    font-weight: 600;
    color: var(--nh-text-main);
    user-select: none;
    transition: background-color 0.3s ease;
}

.page-nh__faq-question:hover {
    background-color: rgba(var(--nh-primary-color), 0.1); /* Using the primary color for hover effect */
}

.page-nh__faq-qtext {
    flex-grow: 1;
    font-size: 1.1rem;
}

.page-nh__faq-toggle {
    font-size: 1.5rem;
    line-height: 1;
    margin-left: 15px;
    color: var(--nh-gold);
}

.page-nh__faq-item[open] .page-nh__faq-toggle {
    content: "−";
}

.page-nh__faq-answer {
    padding: 0 25px 20px 25px;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--nh-text-secondary);
}

/* Details element specific styling */
.page-nh__faq-item details > summary {
    list-style: none; /* Hide default marker */
}
.page-nh__faq-item details > summary::-webkit-details-marker {
    display: none; /* Hide default marker for webkit */
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-nh__hero-image {
        height: 60vh;
    }
}

@media (max-width: 768px) {
    .page-nh {
        font-size: 16px;
        line-height: 1.6;
    }

    .page-nh h1 {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
    }

    .page-nh h2 {
        font-size: clamp(1.6rem, 7vw, 2.2rem);
    }

    .page-nh__hero-section {
        padding-bottom: 40px;
    }

    .page-nh__hero-image {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        max-height: 50vh;
    }

    .page-nh__hero-content {
        margin-top: 30px;
    }

    .page-nh__hero-cta-buttons,
    .page-nh__cta-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .page-nh__btn-primary,
    .page-nh__btn-secondary,
    .page-nh a[class*="button"],
    .page-nh a[class*="btn"] {
        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-nh__cta-buttons,
    .page-nh__button-group,
    .page-nh__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;
        overflow: hidden !important;
    }

    .page-nh__introduction-section,
    .page-nh__popular-games-section,
    .page-nh__promotions-section,
    .page-nh__how-to-play-section,
    .page-nh__faq-section,
    .page-nh__cta-bottom-section {
        padding: 40px 0;
    }

    .page-nh__container {
        padding: 0 15px;
    }

    .page-nh__feature-grid,
    .page-nh__game-list,
    .page-nh__steps-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .page-nh__feature-card,
    .page-nh__game-card,
    .page-nh__step-card {
        padding: 25px;
    }

    .page-nh__game-image {
        height: 200px;
    }

    .page-nh__promo-item {
        padding: 20px;
    }

    .page-nh__faq-question {
        padding: 15px 20px;
        font-size: 1rem;
    }

    .page-nh__faq-answer {
        padding: 0 20px 15px 20px;
    }

    /* Ensure all images inside .page-nh are responsive */
    .page-nh img {
      max-width: 100% !important;
      width: 100% !important;
      height: auto !important;
      display: block !important;
    }

    .page-nh__section,
    .page-nh__card,
    .page-nh__container,
    .page-nh__video-section,
    .page-nh__video-container,
    .page-nh__video-wrapper {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow: hidden !important;
    }

    .page-nh__video-section {
        padding-top: 10px !important; /* body đã đảm nhận --header-offset, tại đây cấm sử dụng var(--header-offset) */
    }
}

/* Global image styles - not specific to media query, but ensure min-size and no filters */
.page-nh img {
    min-width: 200px;
    min-height: 200px;
    filter: none; /* Đảm bảo không áp dụng bộ lọc nào */
}

/* Video responsive styles - although no video in HTML, ensuring rules are covered */
.page-nh video,
.page-nh__video {
  max-width: 100%;
  width: 100%;
  height: auto;
  display: block;
}

.page-nh__video-section,
.page-nh__video-container,
.page-nh__video-wrapper {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

@media (max-width: 768px) {
  .page-nh video,
  .page-nh__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-nh__video-section,
  .page-nh__video-container,
  .page-nh__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }
  
  .page-nh__video-section {
    padding-top: 10px !important;
  }
  
  .page-nh__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
}