/* style/huong-dan-choi.css */

:root {
    --primary-color: #113B7A;
    --secondary-color: #1D5FD1;
    --button-gradient: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
    --card-bg: #10233F;
    --text-main: #F3F8FF;
    --text-secondary: #AFC4E8;
    --border-color: #244D84;
    --glow-color: #4FA8FF;
    --gold-color: #F2C14E;
    --divider-color: #1B3357;
    --deep-navy-color: #08162B;
}

.page-huong-dan-choi {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-main);
    background-color: var(--deep-navy-color); /* Inherited from body via shared.css */
}

.page-huong-dan-choi__hero-section {
    padding-top: 10px; /* Small top padding, body padding-top handles header offset */
    padding-bottom: 60px;
    background-color: var(--primary-color);
    text-align: center;
    position: relative;
    overflow: hidden;
    border-bottom: 2px solid var(--divider-color);
}

.page-huong-dan-choi__container {
    max-width: 1150px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.page-huong-dan-choi__main-title {
    font-size: clamp(2em, 4vw, 3.2em); /* Responsive font size */
    font-weight: 700;
    color: var(--gold-color);
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 0 10px rgba(242, 193, 78, 0.5);
}

.page-huong-dan-choi__intro-text {
    font-size: 1.1em;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto 30px auto;
}

.page-huong-dan-choi__cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.page-huong-dan-choi__btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
    white-space: normal; /* Allow text wrapping */
    word-wrap: break-word; /* Allow text wrapping */
    max-width: 100%; /* Ensure button doesn't overflow */
    box-sizing: border-box;
}

.page-huong-dan-choi__btn-primary {
    background: var(--button-gradient);
    color: var(--text-main);
    border: 2px solid transparent;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

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

.page-huong-dan-choi__btn-secondary {
    background-color: transparent;
    color: var(--gold-color);
    border: 2px solid var(--gold-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-huong-dan-choi__btn-secondary:hover {
    background-color: var(--gold-color);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-huong-dan-choi__btn-small {
    padding: 8px 20px;
    font-size: 0.9em;
}

.page-huong-dan-choi__section {
    padding: 40px 0;
    background-color: var(--deep-navy-color);
}

.page-huong-dan-choi__article-wrap {
    max-width: 1150px;
    margin: 0 auto;
    padding: 0 20px;
}

.page-huong-dan-choi__section-title {
    font-size: 2.2em;
    color: var(--gold-color);
    margin-top: 40px;
    margin-bottom: 25px;
    text-align: center;
    position: relative;
    padding-bottom: 15px;
}

.page-huong-dan-choi__section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--gold-color);
    border-radius: 2px;
}

.page-huong-dan-choi__sub-title {
    font-size: 1.6em;
    color: var(--text-main);
    margin-top: 30px;
    margin-bottom: 15px;
    border-left: 4px solid var(--secondary-color);
    padding-left: 15px;
}

.page-huong-dan-choi p {
    font-size: 1.05em;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.7;
}

.page-huong-dan-choi__highlight-text {
    color: var(--gold-color);
    font-weight: 600;
}

.page-huong-dan-choi__list {
    list-style-type: disc;
    margin-left: 30px;
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.page-huong-dan-choi__list li {
    margin-bottom: 10px;
    font-size: 1.05em;
    position: relative;
}

.page-huong-dan-choi__list li::before {
    content: '•';
    color: var(--gold-color);
    position: absolute;
    left: -20px;
}

.page-huong-dan-choi a {
    color: var(--glow-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-huong-dan-choi a:hover {
    color: var(--gold-color);
    text-decoration: underline;
}

.page-huong-dan-choi__image-figure {
    margin: 30px 0;
    text-align: center;
    background-color: var(--card-bg);
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-huong-dan-choi__image {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    margin: 0 auto;
    border: 1px solid var(--border-color);
}

.page-huong-dan-choi__image-caption {
    font-size: 0.9em;
    color: var(--text-secondary);
    margin-top: 10px;
    font-style: italic;
}

.page-huong-dan-choi__faq-list {
    margin-top: 40px;
    margin-bottom: 40px;
}

.page-huong-dan-choi__faq-item {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-huong-dan-choi__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    cursor: pointer;
    font-weight: 700;
    color: var(--text-main);
    font-size: 1.1em;
    background-color: var(--primary-color);
    border-bottom: 1px solid var(--border-color);
    user-select: none;
}

.page-huong-dan-choi__faq-question::-webkit-details-marker {
    display: none;
}

.page-huong-dan-choi__faq-question .page-huong-dan-choi__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    transition: transform 0.3s ease;
    color: var(--gold-color);
}

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

.page-huong-dan-choi__faq-answer {
    padding: 15px 20px;
    font-size: 1em;
    color: var(--text-secondary);
    line-height: 1.6;
    background-color: var(--card-bg);
}

.page-huong-dan-choi__promo-box {
    background: var(--button-gradient);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    margin-top: 50px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.page-huong-dan-choi__promo-title {
    font-size: 2em;
    color: var(--gold-color);
    margin-bottom: 15px;
    font-weight: 700;
}

.page-huong-dan-choi__promo-text {
    font-size: 1.1em;
    color: var(--text-main);
    margin-bottom: 25px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* --- Responsive Styles --- */

@media (max-width: 1024px) {
    .page-huong-dan-choi__main-title {
        font-size: clamp(2em, 5vw, 2.8em);
    }

    .page-huong-dan-choi__section-title {
        font-size: 2em;
    }

    .page-huong-dan-choi__sub-title {
        font-size: 1.4em;
    }
}

@media (max-width: 768px) {
    /* 1. Top Section Title + CTA */
    .page-huong-dan-choi__hero-section {
        padding-top: 10px !important; /* Ensure small top padding */
        padding-bottom: 40px;
    }

    .page-huong-dan-choi__main-title {
        font-size: clamp(1.8em, 7vw, 2.5em) !important; /* Smaller for mobile */
        margin-bottom: 15px;
    }

    .page-huong-dan-choi__intro-text {
        font-size: 1em;
        margin-bottom: 25px;
        padding: 0 10px;
    }

    .page-huong-dan-choi__cta-buttons {
        flex-direction: column; /* Stack buttons vertically */
        gap: 10px;
        padding: 0 15px;
    }

    .page-huong-dan-choi__btn {
        width: 100% !important; /* Full width for mobile buttons */
        max-width: 100% !important;
        padding: 12px 20px !important;
        font-size: 1em !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    /* 2. Single Column Long Text Container */
    .page-huong-dan-choi__article-wrap {
        padding: 0 15px !important; /* Add padding to content wrapper */
    }

    .page-huong-dan-choi__section {
        padding: 30px 0;
    }

    .page-huong-dan-choi__section-title {
        font-size: 1.8em !important;
        margin-top: 30px;
        margin-bottom: 20px;
    }

    .page-huong-dan-choi__sub-title {
        font-size: 1.3em !important;
        padding-left: 10px;
    }

    .page-huong-dan-choi p,
    .page-huong-dan-choi__list li {
        font-size: 0.95em !important;
    }

    /* 3. General Images and Figure */
    .page-huong-dan-choi img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    
    .page-huong-dan-choi__image-figure {
        padding: 10px;
        margin: 20px 0;
    }

    /* Ensure all image-containing containers are responsive */
    .page-huong-dan-choi__section,
    .page-huong-dan-choi__card,
    .page-huong-dan-choi__container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    /* 4. Buttons and Button Containers (already covered in top section, but re-emphasize for general buttons) */
    .page-huong-dan-choi__promo-box .page-huong-dan-choi__btn {
        width: auto !important; /* Allow small button in promo box to be smaller */
        max-width: 80% !important; /* Adjust if needed, or keep 100% */
        margin: 0 auto;
    }

    /* 5. Registration Tutorial and FAQ Blocks */
    .page-huong-dan-choi__faq-item {
        margin-bottom: 10px;
    }

    .page-huong-dan-choi__faq-question {
        font-size: 1em !important;
        padding: 12px 15px;
    }

    .page-huong-dan-choi__faq-answer {
        font-size: 0.95em !important;
        padding: 12px 15px;
    }

    .page-huong-dan-choi__promo-title {
        font-size: 1.6em !important;
    }

    .page-huong-dan-choi__promo-text {
        font-size: 1em !important;
        padding: 0 10px;
    }

    .page-huong-dan-choi__promo-box {
        padding: 20px;
    }
}