/* General Styling */
.page-blog-vn123-registration-guide {
    font-family: 'Arial', sans-serif;
    color: #FFF5E1; /* Text Main */
    background: #B71C1C; /* Background */
    line-height: 1.6;
    padding-bottom: 40px; /* Ensure space above footer */
}

.page-blog-vn123-registration-guide__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    box-sizing: border-box;
}

.page-blog-vn123-registration-guide__section {
    padding: 40px 0;
    text-align: center;
}

.page-blog-vn123-registration-guide__section-title {
    font-size: 2.5em;
    font-weight: 700;
    margin-bottom: 20px;
    color: #FFF5E1; /* Text Main */
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.page-blog-vn123-registration-guide__description {
    font-size: 1.1em;
    max-width: 900px;
    margin: 0 auto 30px;
    color: rgba(255, 245, 225, 0.9);
}

/* Hero Section */
.page-blog-vn123-registration-guide__hero-section {
    position: relative;
    overflow: hidden;
    padding-top: 10px; /* Small top padding, assuming body has header offset */
    padding-bottom: 0;
    padding-left: 0;
    padding-right: 0;
    background: #7A0E0E; /* Deep Red */
    display: flex;
    flex-direction: column;
    align-items: center;
}

.page-blog-vn123-registration-guide__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    max-height: 600px; /* Limit height for desktop */
}

.page-blog-vn123-registration-guide__hero-content {
    padding: 40px 20px;
    max-width: 900px;
    text-align: center;
    position: relative;
    z-index: 2;
    background: linear-gradient(to bottom, transparent, #7A0E0E 80%); /* Gradient for text readability */
    margin-top: -80px; /* Overlap slightly for visual effect */
    padding-top: 100px;
}

.page-blog-vn123-registration-guide__main-title {
    font-size: clamp(2em, 4vw, 3.5em); /* Responsive H1 font size */
    font-weight: 900;
    color: #FFCC66; /* Glow */
    margin-bottom: 15px;
    line-height: 1.1;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-blog-vn123-registration-guide__hero-description {
    font-size: 1.2em;
    color: #FFF5E1; /* Text Main */
    margin-bottom: 30px;
}

/* Buttons */
.page-blog-vn123-registration-guide__btn-primary,
.page-blog-vn123-registration-guide__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1em;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    text-align: center;
    white-space: normal;
    word-wrap: break-word;
    box-sizing: border-box;
}

.page-blog-vn123-registration-guide__btn-primary {
    background: linear-gradient(180deg, #FFD86A 0%, #E6B800 100%); /* Button custom color */
    color: #7A0E0E; /* Deep Red for contrast */
    box-shadow: 0 5px 15px rgba(255, 204, 102, 0.4); /* Glow */
}

.page-blog-vn123-registration-guide__btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(255, 204, 102, 0.6);
}

.page-blog-vn123-registration-guide__btn-secondary {
    background: #7A0E0E; /* Deep Red */
    color: #FFCC66; /* Glow */
    border: 2px solid #F2B544; /* Border custom color */
    margin-left: 20px;
}

.page-blog-vn123-registration-guide__btn-secondary:hover {
    background: #C91F17; /* Main color */
    border-color: #FFCC66; /* Glow */
    color: #FFF5E1; /* Text Main */
    transform: translateY(-3px);
}

.page-blog-vn123-registration-guide__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
    flex-wrap: wrap; /* Allow wrapping on smaller screens */
    width: 100%; /* Ensure container takes full width */
    max-width: 100%;
    overflow: hidden;
    box-sizing: border-box;
}

/* Why Join Section */
.page-blog-vn123-registration-guide__why-join {
    background: #B71C1C; /* Background */
    padding-top: 60px;
    padding-bottom: 60px;
}

.page-blog-vn123-registration-guide__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-blog-vn123-registration-guide__card {
    background: #D32F2F; /* Card BG */
    border-radius: 15px;
    padding: 30px;
    text-align: left;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid #F2B544; /* Border */
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 250px;
}

.page-blog-vn123-registration-guide__card-title {
    font-size: 1.5em;
    font-weight: 700;
    color: #FFCC66; /* Glow */
    margin-bottom: 15px;
    line-height: 1.3;
}

.page-blog-vn123-registration-guide__card-text {
    font-size: 1em;
    color: #FFF5E1; /* Text Main */
}

.page-blog-vn123-registration-guide__image-full-width {
    width: 100%;
    height: auto;
    display: block;
    margin-top: 50px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    object-fit: cover;
}

/* Registration Guide Section */
.page-blog-vn123-registration-guide__registration-guide {
    background: #7A0E0E; /* Deep Red */
    padding-top: 60px;
    padding-bottom: 60px;
}

.page-blog-vn123-registration-guide__steps {
    display: flex;
    justify-content: space-around;
    gap: 30px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.page-blog-vn123-registration-guide__step-item {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background: #D32F2F; /* Card BG */
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid #F2B544; /* Border */
}

.page-blog-vn123-registration-guide__step-number {
    font-size: 3em;
    font-weight: 900;
    color: #FFCC66; /* Glow */
    margin-bottom: 15px;
    line-height: 1;
}

.page-blog-vn123-registration-guide__step-title {
    font-size: 1.4em;
    font-weight: 700;
    color: #FFF5E1; /* Text Main */
    margin-bottom: 15px;
}

.page-blog-vn123-registration-guide__step-text {
    font-size: 1em;
    color: rgba(255, 245, 225, 0.8);
}

.page-blog-vn123-registration-guide__image-center {
    width: 100%;
    max-width: 800px;
    height: auto;
    display: block;
    margin: 50px auto 0;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    object-fit: cover;
}

/* Deposit Guide Section */
.page-blog-vn123-registration-guide__deposit-guide {
    background: #B71C1C; /* Background */
    padding-top: 60px;
    padding-bottom: 60px;
}

.page-blog-vn123-registration-guide__ordered-list {
    list-style-type: decimal;
    text-align: left;
    max-width: 800px;
    margin: 30px auto;
    padding-left: 40px;
    color: #FFF5E1; /* Text Main */
    font-size: 1.1em;
}

.page-blog-vn123-registration-guide__ordered-list li {
    margin-bottom: 15px;
}

.page-blog-vn123-registration-guide__list-strong {
    color: #FFCC66; /* Glow */
}

/* App Download Section */
.page-blog-vn123-registration-guide__app-download {
    background: #C91F17; /* Main color */
    padding-top: 60px;
    padding-bottom: 60px;
}

.page-blog-vn123-registration-guide__dark-bg {
    background: #C91F17; /* Main color for contrast */
    color: #ffffff; /* White text for contrast */
    border-radius: 15px;
    padding: 40px 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.page-blog-vn123-registration-guide__app-download .page-blog-vn123-registration-guide__section-title {
    color: #FFCC66; /* Glow */
}

.page-blog-vn123-registration-guide__app-download .page-blog-vn123-registration-guide__description {
    color: rgba(255, 255, 255, 0.9);
}

/* FAQ Section */
.page-blog-vn123-registration-guide__faq {
    background: #7A0E0E; /* Deep Red */
    padding-top: 60px;
    padding-bottom: 60px;
}

.page-blog-vn123-registration-guide__faq-list {
    max-width: 800px;
    margin: 40px auto 0;
    text-align: left;
}

.page-blog-vn123-registration-guide__faq-item {
    background: #D32F2F; /* Card BG */
    border-radius: 10px;
    margin-bottom: 15px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    border: 1px solid #F2B544; /* Border */
    overflow: hidden;
}

.page-blog-vn123-registration-guide__faq-item summary {
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    font-weight: 700;
    font-size: 1.2em;
    color: #FFCC66; /* Glow */
    background: #D32F2F; /* Card BG */
    transition: background-color 0.3s ease;
}

.page-blog-vn123-registration-guide__faq-item summary::-webkit-details-marker {
    display: none;
}

.page-blog-vn123-registration-guide__faq-item summary:hover {
    background-color: #C91F17; /* Main color */
}

.page-blog-vn123-registration-guide__faq-qtext {
    flex-grow: 1;
}

.page-blog-vn123-registration-guide__faq-toggle {
    font-size: 1.5em;
    margin-left: 15px;
    color: #F4D34D; /* Gold */
}

.page-blog-vn123-registration-guide__faq-item[open] .page-blog-vn123-registration-guide__faq-toggle {
    content: '−'; /* Changed by JS */
}

.page-blog-vn123-registration-guide__faq-answer {
    padding: 0 25px 20px;
    font-size: 1em;
    color: #FFF5E1; /* Text Main */
    line-height: 1.6;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
}

.page-blog-vn123-registration-guide__faq-item[open] .page-blog-vn123-registration-guide__faq-answer {
    max-height: 500px; /* Sufficiently large for content */
    padding-top: 10px;
}

/* Conclusion Section */
.page-blog-vn123-registration-guide__conclusion {
    background: #B71C1C; /* Background */
    padding-top: 60px;
    padding-bottom: 60px;
}

/* Universal Image Responsiveness */
.page-blog-vn123-registration-guide img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    /* General */
    .page-blog-vn123-registration-guide__container {
        padding-left: 15px !important;
        padding-right: 15px !important;
    }

    .page-blog-vn123-registration-guide__section-title {
        font-size: 1.8em;
        margin-bottom: 15px;
    }

    .page-blog-vn123-registration-guide__description {
        font-size: 1em;
        margin-bottom: 20px;
    }

    /* HERO Section */
    .page-blog-vn123-registration-guide__hero-section {
        padding-top: 10px !important; /* Small top padding for mobile */
    }

    .page-blog-vn123-registration-guide__hero-image {
        max-height: 300px;
    }

    .page-blog-vn123-registration-guide__hero-content {
        padding: 20px 15px;
        margin-top: -50px; /* Adjust overlap */
        padding-top: 70px;
    }

    .page-blog-vn123-registration-guide__main-title {
        font-size: 2em;
        margin-bottom: 10px;
    }

    .page-blog-vn123-registration-guide__hero-description {
        font-size: 1em;
        margin-bottom: 20px;
    }

    /* Buttons */
    .page-blog-vn123-registration-guide__cta-buttons {
        flex-direction: column;
        gap: 15px;
        margin-top: 30px;
        padding-left: 15px !important;
        padding-right: 15px !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    .page-blog-vn123-registration-guide__btn-primary,
    .page-blog-vn123-registration-guide__btn-secondary {
        max-width: 100% !important;
        width: 100% !important;
        margin-left: 0 !important; /* Remove margin for stacked buttons */
        padding: 12px 20px !important;
        font-size: 1em !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    /* Why Join Section - Cards */
    .page-blog-vn123-registration-guide__grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-blog-vn123-registration-guide__card {
        padding: 20px;
        min-height: auto;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    /* Registration Guide Section - Steps */
    .page-blog-vn123-registration-guide__steps {
        flex-direction: column;
        gap: 20px;
    }

    .page-blog-vn123-registration-guide__step-item {
        max-width: 100%;
        padding: 20px;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    /* Deposit Guide Section - List */
    .page-blog-vn123-registration-guide__ordered-list {
        padding-left: 20px;
        font-size: 1em;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    /* App Download Section */
    .page-blog-vn123-registration-guide__dark-bg {
        padding: 30px 15px;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    /* FAQ Section */
    .page-blog-vn123-registration-guide__faq-list {
        margin-top: 20px;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-blog-vn123-registration-guide__faq-item summary {
        padding: 15px 20px;
        font-size: 1.1em;
    }

    .page-blog-vn123-registration-guide__faq-answer {
        padding: 0 20px 15px;
    }

    /* Universal Image Responsiveness */
    .page-blog-vn123-registration-guide img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
    }

    .page-blog-vn123-registration-guide__section {
        padding-left: 15px !important;
        padding-right: 15px !important;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
}