:root {
    --primary-color: #017439;
    --secondary-color: #FFFFFF;
    --text-dark: #333333;
    --text-light: #ffffff;
    --register-btn: #C30808;
    --login-btn: #C30808;
    --btn-text-color: #FFFF00; /* For login/register buttons */
}

/* Base styles for the page-huong-dan container */
.page-huong-dan {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-dark); /* Default text color assuming light body background */
    background-color: var(--secondary-color); /* Explicitly setting for safety if body default is not light */
}

.page-huong-dan__container {
    max-width: 1170px;
    margin: 0 auto;
    padding: 0 16px;
    box-sizing: border-box;
}

/* Hero Section */
.page-huong-dan__hero-section {
    padding-top: 10px; /* Small top padding, body handles header offset */
    padding-bottom: 60px;
    background-color: var(--secondary-color); /* Light background for hero */
}

.page-huong-dan__hero-container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 40px;
    padding: 40px 0;
}

.page-huong-dan__hero-content {
    flex: 1 1 50%;
    min-width: 300px;
    color: var(--text-dark); /* Text color for hero content */
}

.page-huong-dan__hero-title {
    font-size: 3.2em;
    font-weight: bold;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.page-huong-dan__hero-description {
    font-size: 1.2em;
    margin-bottom: 30px;
}

.page-huong-dan__hero-cta-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.page-huong-dan__btn-primary,
.page-huong-dan__btn-secondary {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: all 0.3s ease;
    box-sizing: border-box;
    max-width: 100%; /* For button responsive */
    white-space: normal;
    word-wrap: break-word;
    text-align: center;
}

.page-huong-dan__btn-primary {
    background-color: var(--register-btn); /* Custom color for register */
    color: var(--btn-text-color); /* Custom text color for register/login */
    border: 2px solid var(--register-btn);
}

.page-huong-dan__btn-primary:hover {
    background-color: #a40707; /* Darkened version of #C30808 */
}

.page-huong-dan__btn-secondary {
    background-color: var(--login-btn); /* Custom color for login */
    color: var(--btn-text-color); /* Custom text color for register/login */
    border: 2px solid var(--login-btn);
}

.page-huong-dan__btn-secondary:hover {
    background-color: #a40707; /* Darkened version of #C30808 */
}

.page-huong-dan__hero-image {
    flex: 1 1 40%;
    text-align: center;
    min-width: 300px;
}

.page-huong-dan__hero-side-image {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

/* Intro Section (Module 1) */
.page-huong-dan__intro-section {
    padding: 80px 0;
    text-align: center;
    background-color: var(--secondary-color); /* Light background */
    color: var(--text-dark);
}

.page-huong-dan__intro-title {
    font-size: 2.5em;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.page-huong-dan__intro-description {
    font-size: 1.1em;
    max-width: 800px;
    margin: 0 auto 50px;
}

.page-huong-dan__icon-boxes {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
}

.page-huong-dan__icon-box {
    flex: 0 0 30%;
    max-width: 300px;
    background-color: #f9f9f9;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
    box-sizing: border-box;
}

.page-huong-dan__icon-box:hover {
    transform: translateY(-10px);
}

.page-huong-dan__icon-box-media {
    width: 240px; /* Specific size for circular images */
    height: 240px;
    margin: 0 auto 25px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--primary-color);
    box-shadow: 0 0 0 8px rgba(1, 116, 57, 0.2); /* Soft shadow around border */
}

.page-huong-dan__icon-box-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.page-huong-dan__icon-box-title {
    font-size: 1.6em;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.page-huong-dan__icon-box-text {
    font-size: 1em;
    color: var(--text-dark);
}

/* Guide Section */
.page-huong-dan__guide-section {
    padding: 80px 0;
    background-color: var(--secondary-color); /* Light background */
    color: var(--text-dark);
}

.page-huong-dan__guide-title {
    font-size: 2.8em;
    text-align: center;
    margin-bottom: 25px;
    color: var(--primary-color);
}

.page-huong-dan__guide-intro-text {
    font-size: 1.1em;
    text-align: center;
    max-width: 900px;
    margin: 0 auto 60px;
}

.page-huong-dan__guide-step {
    background-color: #f9f9f9;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    margin-bottom: 40px;
    padding: 40px;
    box-sizing: border-box;
}

.page-huong-dan__guide-step-title {
    font-size: 2em;
    color: var(--primary-color);
    margin-bottom: 25px;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 15px;
}

.page-huong-dan__guide-step-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 25px;
    display: block;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-huong-dan__guide-step-content p {
    margin-bottom: 15px;
    font-size: 1.05em;
    color: var(--text-dark);
}

.page-huong-dan__guide-step-content ol,
.page-huong-dan__guide-step-content ul {
    margin-left: 25px;
    margin-bottom: 15px;
    list-style-position: outside;
    color: var(--text-dark);
}

.page-huong-dan__guide-step-content li {
    margin-bottom: 10px;
    font-size: 1.05em;
}

.page-huong-dan__guide-step-content strong {
    color: var(--primary-color);
}

/* FAQ Section */
.page-huong-dan__faq-section {
    padding: 80px 0;
    background-color: var(--primary-color); /* Dark background for FAQ */
    color: var(--text-light); /* Light text for FAQ */
    text-align: center;
}

.page-huong-dan__faq-title {
    font-size: 2.8em;
    margin-bottom: 40px;
    color: var(--text-light);
}

.page-huong-dan__faq-list {
    max-width: 900px;
    margin: 0 auto;
    text-align: left;
}

.page-huong-dan__faq-item {
    background-color: rgba(255, 255, 255, 0.1); /* Semi-transparent white background */
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-huong-dan__faq-item summary {
    list-style: none; /* Hide default marker */
    padding: 20px 25px;
    font-size: 1.2em;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-light);
    background-color: rgba(255, 255, 255, 0.05);
    transition: background-color 0.3s ease;
}

.page-huong-dan__faq-item summary:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

.page-huong-dan__faq-item summary::-webkit-details-marker {
    display: none; /* Hide default marker for webkit browsers */
}

.page-huong-dan__faq-qtext {
    flex-grow: 1;
}

.page-huong-dan__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    margin-left: 15px;
}

.page-huong-dan__faq-answer {
    padding: 0 25px 20px;
    font-size: 1.05em;
    color: var(--text-light);
}

/* CTA Bottom Section */
.page-huong-dan__cta-bottom-section {
    padding: 60px 0;
    text-align: center;
    background-color: var(--secondary-color); /* Light background */
    color: var(--text-dark);
}

.page-huong-dan__cta-bottom-content {
    padding: 40px 16px;
    background-color: #f0f0f0;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.page-huong-dan__cta-bottom-title {
    font-size: 2.5em;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.page-huong-dan__cta-bottom-description {
    font-size: 1.1em;
    max-width: 700px;
    margin: 0 auto 30px;
}

.page-huong-dan__btn-large {
    padding: 16px 32px;
    font-size: 1.2em;
}

/* General image responsive */
.page-huong-dan img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Mobile Responsive Styles */
@media (max-width: 1024px) {
    .page-huong-dan__hero-title {
        font-size: 2.8em;
    }
    .page-huong-dan__intro-title,
    .page-huong-dan__guide-title,
    .page-huong-dan__faq-title,
    .page-huong-dan__cta-bottom-title {
        font-size: 2.2em;
    }
    .page-huong-dan__icon-box {
        flex: 0 0 45%;
    }
}

@media (max-width: 768px) {
    /* Hero Section */
    .page-huong-dan__hero-section {
        padding-top: 10px !important; /* Small top padding, body handles header offset */
        padding-bottom: 40px !important;
    }
    .page-huong-dan__hero-container {
        flex-direction: column;
        text-align: center;
        padding: 20px 15px !important;
        gap: 20px;
    }
    .page-huong-dan__hero-content {
        flex: 1 1 100%;
        min-width: unset;
    }
    .page-huong-dan__hero-title {
        font-size: 2.2em !important;
        line-height: 1.3;
    }
    .page-huong-dan__hero-description {
        font-size: 1em;
    }
    .page-huong-dan__hero-cta-buttons {
        flex-direction: column;
        gap: 10px;
        width: 100%;
    }
    .page-huong-dan__btn-primary,
    .page-huong-dan__btn-secondary,
    .page-huong-dan a[class*="button"],
    .page-huong-dan 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 !important; /* Add padding for mobile buttons */
        padding-right: 15px !important;
    }
    .page-huong-dan__hero-image {
        flex: 1 1 100%;
        min-width: unset;
    }
    .page-huong-dan__hero-side-image {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }

    /* Intro Section (Module 1) */
    .page-huong-dan__intro-section {
        padding: 40px 0 !important;
    }
    .page-huong-dan__intro-title,
    .page-huong-dan__guide-title,
    .page-huong-dan__faq-title,
    .page-huong-dan__cta-bottom-title {
        font-size: 2em !important;
        margin-bottom: 20px !important;
        padding: 0 15px !important; /* Add padding for titles */
    }
    .page-huong-dan__intro-description {
        font-size: 1em;
        margin-bottom: 30px !important;
        padding: 0 15px !important;
    }
    .page-huong-dan__icon-boxes {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    .page-huong-dan__icon-box {
        flex: 0 0 90%;
        max-width: 90%;
        padding: 20px;
    }
    .page-huong-dan__icon-box-media {
        width: 200px !important; /* Maintain square shape for mobile */
        height: 200px !important;
        margin-bottom: 15px !important;
        border-width: 3px;
        box-shadow: 0 0 0 6px rgba(1, 116, 57, 0.15);
    }
    .page-huong-dan__icon-box-title {
        font-size: 1.4em !important;
        margin-bottom: 10px !important;
    }
    .page-huong-dan__icon-box-text {
        font-size: 0.95em;
    }

    /* Guide Section */
    .page-huong-dan__guide-section {
        padding: 40px 0 !important;
    }
}