/* style/nh.css */

/* Base styles for the page */
.page-nh {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--page-text-main); /* Default text color on dark background */
    background-color: var(--page-bg); /* Custom background color */
    overflow-x: hidden; /* Prevent horizontal scroll on main content */
}

/* Variables for colors */
:root {
    --primary-color: #11A84E;
    --secondary-color: #22C768;
    --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
    --card-bg: #11271B;
    --page-bg: #08160F;
    --text-main: #F2FFF6;
    --text-secondary: #A7D9B8;
    --border-color: #2E7A4E;
    --glow-color: #57E38D;
    --gold-color: #F2C14E;
    --divider-color: #1E3A2A;
    --deep-green: #0A4B2C;

    /* Use custom colors for page-nh context */
    --page-text-main: var(--text-main);
    --page-text-secondary: var(--text-secondary);
}

/* Ensure text color is appropriate for the dark page background */
.page-nh h1, .page-nh h2, .page-nh h3, .page-nh h4, .page-nh h5, .page-nh h6 {
    color: var(--gold-color); /* Titles can use gold for emphasis */
    margin-bottom: 1rem;
    font-weight: bold;
}

.page-nh p, .page-nh li {
    color: var(--page-text-main);
    margin-bottom: 1rem;
}

.page-nh__highlight {
    color: var(--gold-color);
    font-weight: bold;
}

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

/* Hero Section */
.page-nh__hero-section {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 60px 0;
    background-color: var(--page-bg); /* Ensure background is dark */
}

.page-nh__hero-image-wrapper {
    width: 100%;
    height: auto;
    overflow: hidden;
    margin-bottom: 20px; /* Space between image and content */
}

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

.page-nh__hero-content {
    text-align: center;
    max-width: 900px;
    padding: 0 20px;
    box-sizing: border-box;
}

.page-nh__main-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem); /* Responsive H1 font size */
    line-height: 1.2;
    margin-bottom: 15px;
    color: var(--gold-color);
    text-shadow: 0 0 10px rgba(242, 193, 78, 0.5);
}

.page-nh__description {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: var(--page-text-secondary);
}

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

.page-nh__btn-primary,
.page-nh__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    text-align: center;
    box-sizing: border-box;
    max-width: 100%;
    white-space: normal;
    word-wrap: break-word;
}

.page-nh__btn-primary {
    background: var(--button-gradient);
    color: #ffffff;
    border: 2px solid var(--primary-color);
}

.page-nh__btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(17, 168, 78, 0.4);
}

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

.page-nh__btn-secondary:hover {
    background-color: var(--gold-color);
    color: var(--page-bg);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(242, 193, 78, 0.4);
}

.page-nh__section {
    padding: 60px 0;
    background-color: var(--page-bg); /* Default section background */
}

.page-nh__section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    text-align: center;
    margin-bottom: 40px;
    color: var(--gold-color);
    text-shadow: 0 0 8px rgba(242, 193, 78, 0.3);
}

.page-nh__sub-title {
    font-size: clamp(1.4rem, 3vw, 2rem);
    margin-bottom: 15px;
    color: var(--gold-color);
}

/* Intro Section */
.page-nh__intro-section {
    background-color: var(--page-bg);
}

.page-nh__image-content-block {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-top: 40px;
}

.page-nh__image-content-block:nth-child(even) {
    flex-direction: row-reverse;
}

.page-nh__content-image {
    width: 50%;
    height: auto;
    border-radius: 10px;
    object-fit: cover;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
}

.page-nh__text-block {
    width: 50%;
}

/* Promotions Section */
.page-nh__promotions-section {
    background-color: var(--deep-green); /* Use a darker green for this section */
}

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

.page-nh__promo-card {
    background-color: var(--card-bg); /* Dark card background */
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-nh__card-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--gold-color);
}

.page-nh__card-text {
    color: var(--page-text-secondary);
    margin-bottom: 20px;
    flex-grow: 1;
}

.page-nh__card-btn {
    background: var(--button-gradient);
    color: #ffffff;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    text-align: center;
    transition: background 0.3s ease;
    border: none;
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-nh__card-btn:hover {
    opacity: 0.9;
    box-shadow: 0 2px 10px rgba(17, 168, 78, 0.4);
}

.page-nh__center-image {
    display: block;
    margin: 0 auto;
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
}

/* Guide Section */
.page-nh__guide-list {
    list-style: none;
    padding: 0;
    counter-reset: guide-step;
}

.page-nh__guide-item {
    background-color: var(--card-bg);
    margin-bottom: 20px;
    padding: 30px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    position: relative;
    padding-left: 80px; /* Space for step number */
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.page-nh__guide-item::before {
    counter-increment: guide-step;
    content: "Bước " counter(guide-step);
    position: absolute;
    left: 20px;
    top: 30px;
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--gold-color);
    background-color: var(--deep-green);
    border-radius: 5px;
    padding: 5px 10px;
    border: 1px solid var(--gold-color);
}

.page-nh__guide-step-title {
    color: var(--gold-color);
    margin-top: 0;
    margin-bottom: 10px;
}

.page-nh__small-btn {
    padding: 10px 20px;
    font-size: 0.9rem;
    margin-top: 15px;
}

/* Tips Section */
.page-nh__tips-list {
    list-style: none;
    padding: 0;
}

.page-nh__tips-item {
    display: flex;
    align-items: flex-start;
    gap: 25px;
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 25px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.page-nh__tips-icon {
    flex-shrink: 0;
    width: 200px; /* Adjusted to meet min size */
    height: 150px; /* Adjusted to meet min size */
    min-width: 200px; /* Enforce min width */
    min-height: 150px; /* Enforce min height */
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

/* Security Section */
.page-nh__security-section {
    background-color: var(--deep-green);
}

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

.page-nh__security-card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    border: 1px solid var(--border-color);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.page-nh__security-icon {
    width: 200px; /* Adjusted to meet min size */
    height: 200px; /* Adjusted to meet min size */
    min-width: 200px; /* Enforce min width */
    min-height: 200px; /* Enforce min height */
    object-fit: contain;
    margin-bottom: 20px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.page-nh__center-btn {
    display: block;
    margin: 40px auto 0 auto;
    max-width: 300px;
}

/* FAQ Section */
.page-nh__faq-list {
    margin-top: 40px;
}

.page-nh__faq-item {
    background-color: var(--card-bg);
    margin-bottom: 15px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.page-nh__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    font-weight: bold;
    color: var(--gold-color);
    font-size: 1.1rem;
    position: relative;
    list-style: none; /* For details/summary */
}

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

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

.page-nh__faq-toggle {
    font-size: 1.5rem;
    line-height: 1;
    margin-left: 15px;
    color: var(--gold-color);
    transition: transform 0.3s ease;
}

.page-nh__faq-item[open] .page-nh__faq-toggle {
    transform: rotate(45deg);
}

.page-nh__faq-answer {
    padding: 0 25px 20px 25px;
    color: var(--page-text-secondary);
    font-size: 0.95rem;
}

/* Conclusion Section */
.page-nh__conclusion-section {
    background-color: var(--page-bg);
    text-align: center;
}

.page-nh__cta-buttons--bottom {
    margin-top: 40px;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-nh__image-content-block {
        flex-direction: column;
    }
    .page-nh__content-image,
    .page-nh__text-block {
        width: 100%;
    }
    .page-nh__image-content-block:nth-child(even) {
        flex-direction: column; /* Reset flex-direction for smaller screens */
    }
}

@media (max-width: 768px) {
    .page-nh__hero-section {
        padding: 40px 0;
    }
    .page-nh__main-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }
    .page-nh__description {
        font-size: 1rem;
    }
    .page-nh__cta-buttons {
        flex-direction: column;
        gap: 15px;
    }
    .page-nh__btn-primary,
    .page-nh__btn-secondary {
        padding: 12px 20px;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    .page-nh__section {
        padding: 40px 0;
    }
    .page-nh__section-title {
        font-size: clamp(1.5rem, 6vw, 2.2rem);
        margin-bottom: 30px;
    }
    .page-nh__sub-title {
        font-size: clamp(1.2rem, 5vw, 1.8rem);
    }

    .page-nh__promo-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-nh__guide-item {
        padding-left: 20px; /* Adjust for smaller screens */
        padding-top: 60px; /* Make space for absolute step number */
    }
    .page-nh__guide-item::before {
        left: 20px;
        top: 20px;
        font-size: 1rem;
        padding: 3px 8px;
    }

    .page-nh__tips-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 20px;
    }
    .page-nh__tips-icon {
        width: 100%; /* Ensure full width on mobile */
        height: auto;
        max-width: 300px; /* Maximize size but keep it reasonable */
        min-width: 200px; /* Enforce min width */
        min-height: 150px; /* Enforce min height */
        margin-bottom: 20px;
    }

    .page-nh__security-features {
        grid-template-columns: 1fr;
    }
    .page-nh__security-card {
        padding: 20px;
    }
    .page-nh__security-icon {
        width: 200px; /* Visual size */
        height: 200px;
        min-width: 200px; /* Still enforce minimum for imageRequirements */
        min-height: 200px;
    }

    /* Mobile image and video responsive rules */
    .page-nh img {
      max-width: 100% !important;
      width: 100% !important;
      height: auto !important;
      display: block !important;
    }
    
    .page-nh video,
    .page-nh__video {
      max-width: 100% !important;
      width: 100% !important;
      height: auto !important;
      display: block !important;
    }
    
    .page-nh__section,
    .page-nh__card,
    .page-nh__container,
    .page-nh__promo-card,
    .page-nh__guide-item,
    .page-nh__tips-item,
    .page-nh__security-card,
    .page-nh__faq-item,
    .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 !important;
      padding-right: 15px !important;
      overflow: hidden !important;
    }

    /* Video section padding top - no video on this page, but keeping for consistency */
    .page-nh__video-section {
        padding-top: 10px !important;
    }
}