/* style/nh.css */
/* body đã padding-top: var(--header-offset) từ shared.css, không lặp lại ở đây */

:root {
    --nh-bg-color: #08160F;
    --nh-card-bg-color: #11271B;
    --nh-text-main: #F2FFF6;
    --nh-text-secondary: #A7D9B8;
    --nh-btn-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
    --nh-border-color: #2E7A4E;
    --nh-glow-color: #57E38D;
    --nh-gold-color: #F2C14E;
    --nh-divider-color: #1E3A2A;
    --nh-deep-green-color: #0A4B2C;
}

.page-nh {
    font-family: 'Arial', sans-serif;
    color: var(--nh-text-main); /* Mặc định chữ sáng trên nền tối */
    background-color: var(--nh-bg-color);
}

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

.page-nh__section {
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

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

.page-nh__section-title {
    font-size: 2.8em;
    font-weight: 700;
    color: var(--nh-text-main);
    text-align: center;
    margin-bottom: 20px;
    line-height: 1.2;
}

.page-nh__section-description {
    font-size: 1.1em;
    color: var(--nh-text-secondary);
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px auto;
    line-height: 1.6;
}

.page-nh__hero-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10px 0 80px 0; /* Padding-top nhỏ, không dùng var(--header-offset) */
    text-align: center;
    background-color: var(--nh-card-bg-color);
    position: relative;
    overflow: hidden;
}

.page-nh__hero-image-wrapper {
    width: 100%;
    max-height: 600px; /* Giới hạn chiều cao của ảnh hero */
    overflow: hidden;
    margin-bottom: 40px;
}

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

.page-nh__hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: 0 20px;
}

.page-nh__main-title {
    font-size: clamp(2.5em, 5vw, 3.8em); /* Sử dụng clamp cho H1 */
    font-weight: 800;
    color: var(--nh-text-main);
    margin-bottom: 20px;
    line-height: 1.2;
}

.page-nh__hero-description {
    font-size: 1.2em;
    color: var(--nh-text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
}

.page-nh__btn-primary,
.page-nh__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1em;
    transition: all 0.3s ease;
    text-align: center;
    box-sizing: border-box;
}

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

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

.page-nh__btn-secondary {
    background: transparent;
    color: var(--nh-glow-color);
    border: 2px solid var(--nh-glow-color);
    margin-left: 20px;
}

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

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

.page-nh__text-block {
    font-size: 1.1em;
    line-height: 1.7;
    color: var(--nh-text-secondary);
}

.page-nh__text-block strong {
    color: var(--nh-text-main);
}

.page-nh__image-block {
    text-align: center;
}

.page-nh__image-responsive {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-nh__types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-nh__card {
    background-color: var(--nh-card-bg-color);
    border: 1px solid var(--nh-border-color);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    color: var(--nh-text-main); /* Đảm bảo chữ sáng trên nền tối của card */
}

.page-nh__card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

.page-nh__card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
}

.page-nh__card-title {
    font-size: 1.6em;
    font-weight: 700;
    color: var(--nh-text-main);
    margin-bottom: 15px;
}

.page-nh__card-text {
    font-size: 1em;
    color: var(--nh-text-secondary);
    line-height: 1.6;
}

.page-nh__steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
    margin-bottom: 50px;
}

.page-nh__step-card {
    background-color: var(--nh-card-bg-color);
    border: 1px solid var(--nh-border-color);
    border-radius: 12px;
    padding: 30px;
    text-align: left;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.page-nh__step-title {
    font-size: 1.4em;
    font-weight: 700;
    color: var(--nh-glow-color);
    margin-bottom: 15px;
}

.page-nh__step-card p {
    font-size: 1em;
    color: var(--nh-text-secondary);
    line-height: 1.6;
}

.page-nh__bonuses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
    margin-bottom: 50px;
}

.page-nh__bonus-card {
    padding: 30px;
    text-align: left;
    background-color: var(--nh-card-bg-color);
    border: 1px solid var(--nh-border-color);
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.page-nh__video-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 60px 20px;
    padding-top: 10px; /* Padding-top nhỏ cho video section */
    background-color: var(--nh-bg-color);
}

.page-nh__video-wrapper {
    position: relative;
    width: 100%;
    max-width: 1000px;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
    margin-top: 40px;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
    background-color: #000;
}

.page-nh__video-link {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
    cursor: pointer;
    z-index: 1;
}

.page-nh__video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.page-nh__faq-list {
    margin-top: 50px;
}

.page-nh__faq-item {
    background-color: var(--nh-card-bg-color);
    border: 1px solid var(--nh-divider-color);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.page-nh__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.2em;
    font-weight: 600;
    color: var(--nh-text-main);
    cursor: pointer;
    background-color: var(--nh-deep-green-color);
    border-bottom: 1px solid transparent;
    transition: background-color 0.3s ease, border-bottom-color 0.3s ease;
    list-style: none;
}

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

.page-nh__faq-item[open] .page-nh__faq-question {
    background-color: var(--nh-border-color);
    border-bottom-color: var(--nh-divider-color);
}

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

.page-nh__faq-toggle {
    font-size: 1.5em;
    font-weight: 700;
    color: var(--nh-glow-color);
    margin-left: 15px;
}

.page-nh__faq-answer {
    padding: 20px 25px;
    font-size: 1em;
    color: var(--nh-text-secondary);
    line-height: 1.6;
    background-color: var(--nh-card-bg-color);
}

.page-nh__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 50px;
    flex-wrap: wrap;
}

.page-nh__cta-buttons-group {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 50px;
    flex-wrap: wrap;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-nh__section-title {
        font-size: 2.2em;
    }
    .page-nh__hero-description {
        font-size: 1.1em;
    }
    .page-nh__content-grid {
        grid-template-columns: 1fr;
    }
    .page-nh__image-block {
        order: -1; /* Đặt ảnh lên trên trong mobile */
        margin-bottom: 30px;
    }
    .page-nh__btn-secondary {
        margin-left: 0;
        margin-top: 15px;
    }
    .page-nh__cta-buttons-group {
        flex-direction: column;
        align-items: center;
    }
    .page-nh__btn-primary,
    .page-nh__btn-secondary {
        width: 100%;
        max-width: 300px; /* Giới hạn chiều rộng cho nút */
    }
}

@media (max-width: 768px) {
    .page-nh__section {
        padding: 50px 0;
    }
    .page-nh__hero-section {
        padding-bottom: 50px;
    }
    .page-nh__section-title {
        font-size: 1.8em;
        margin-bottom: 15px;
    }
    .page-nh__section-description {
        font-size: 1em;
        margin-bottom: 30px;
    }
    .page-nh__main-title {
        font-size: clamp(2em, 8vw, 2.8em);
    }
    .page-nh__hero-description {
        font-size: 1em;
    }
    .page-nh__btn-primary,
    .page-nh__btn-secondary {
        padding: 12px 20px;
        font-size: 1em;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        margin-left: 0 !important;
        margin-top: 10px;
    }
    .page-nh__cta-buttons,
    .page-nh__cta-buttons-group {
        flex-direction: column;
        align-items: center;
        padding: 0 15px;
        gap: 10px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    .page-nh img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    .page-nh__hero-image-wrapper,
    .page-nh__image-block,
    .page-nh__card-image,
    .page-nh__video-wrapper,
    .page-nh__video-container,
    .page-nh__video-section {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
        padding-left: 0px;
        padding-right: 0px;
    }
    .page-nh__container {
        padding: 0 15px;
    }
    .page-nh__video-section {
        padding-top: 10px !important;
    }
}

@media (max-width: 480px) {
    .page-nh__section-title {
        font-size: 1.5em;
    }
    .page-nh__main-title {
        font-size: clamp(1.8em, 9vw, 2.5em);
    }
    .page-nh__card-title {
        font-size: 1.4em;
    }
    .page-nh__step-title {
        font-size: 1.2em;
    }
    .page-nh__faq-question {
        font-size: 1em;
        padding: 15px 20px;
    }
    .page-nh__faq-answer {
        padding: 15px 20px;
    }
}