/* style/bn-c-hi-vng.css */

:root {
    --primary-color: #FFD700; /* Gold */
    --secondary-color: #0A2463; /* Dark Blue */
    --accent-color: #DC143C; /* Crimson for emphasis */
    --text-dark: #333333;
    --text-light: #ffffff;
    --bg-light: #f4f7f6;
    --bg-dark: #1a1a2e;
    --border-color: #e0e0e0;
}

.page-bn-c-hi-vng {
    font-family: 'Arial', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-light);
}

.page-bn-c-hi-vng .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.page-bn-c-hi-vng h1, .page-bn-c-hi-vng h2, .page-bn-c-hi-vng h3 {
    color: var(--secondary-color);
    text-align: center;
    margin-bottom: 25px;
    font-weight: bold;
}

.page-bn-c-hi-vng h1 {
    font-size: 2.8em;
    color: var(--primary-color);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.page-bn-c-hi-vng h2 {
    font-size: 2.2em;
    border-bottom: 3px solid var(--primary-color);
    display: inline-block;
    padding-bottom: 10px;
    margin-left: auto;
    margin-right: auto;
    margin-top: 40px;
}

.page-bn-c-hi-vng h3 {
    font-size: 1.6em;
    color: var(--secondary-color);
    margin-top: 30px;
    margin-bottom: 15px;
}

.page-bn-c-hi-vng p {
    font-size: 1.1em;
    margin-bottom: 15px;
    text-align: justify;
}

/* Hero Section */
.page-bn-c-hi-vng .hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 20px;
    background-color: var(--secondary-color);
    overflow: hidden;
}

.page-bn-c-hi-vng .hero-container {
    position: relative;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
}

.page-bn-c-hi-vng .hero-image {
    width: 100%;
    margin-bottom: 30px;
    max-width: 900px; /* Adjust max-width for image */
}

.page-bn-c-hi-vng .hero-image img {
    width: 100%;
    height: auto;
    max-width: 100%;
    display: block;
    border-radius: 12px;
    object-fit: cover;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.page-bn-c-hi-vng .hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    width: 100%;
}

.page-bn-c-hi-vng .hero-content h1 {
    color: var(--primary-color);
    font-size: 3.5em;
    margin-bottom: 20px;
    line-height: 1.2;
}

.page-bn-c-hi-vng .hero-content p {
    font-size: 1.3em;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto 30px auto;
}

.page-bn-c-hi-vng .hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.page-bn-c-hi-vng .cta-button {
    display: inline-block;
    padding: 15px 40px;
    text-decoration: none;
    border-radius: 8px;
    font-size: 1.2em;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-bn-c-hi-vng .primary-button {
    background: var(--primary-color);
    color: var(--secondary-color);
    border: 2px solid var(--primary-color);
}

.page-bn-c-hi-vng .primary-button:hover {
    background: darken(var(--primary-color), 10%);
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.page-bn-c-hi-vng .secondary-button {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.page-bn-c-hi-vng .secondary-button:hover {
    background: var(--primary-color);
    color: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

/* General Section Styling */
.page-bn-c-hi-vng .section-intro, 
.page-bn-c-hi-vng .section-features, 
.page-bn-c-hi-vng .section-guide, 
.page-bn-c-hi-vng .section-promotions, 
.page-bn-c-hi-vng .section-why-choose, 
.page-bn-c-hi-vng .section-faq, 
.page-bn-c-hi-vng .section-conclusion {
    padding: 60px 0;
    background-color: var(--bg-light);
}

.page-bn-c-hi-vng .section-intro h2, 
.page-bn-c-hi-vng .section-features h2, 
.page-bn-c-hi-vng .section-guide h2, 
.page-bn-c-hi-vng .section-promotions h2, 
.page-bn-c-hi-vng .section-why-choose h2, 
.page-bn-c-hi-vng .section-faq h2, 
.page-bn-c-hi-vng .section-conclusion h2 {
    margin-bottom: 40px;
}

/* Feature Grid */
.page-bn-c-hi-vng .feature-grid, .page-bn-c-hi-vng .promotion-grid, .page-bn-c-hi-vng .why-choose-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-bn-c-hi-vng .feature-item, .page-bn-c-hi-vng .promotion-item, .page-bn-c-hi-vng .why-choose-item {
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-bn-c-hi-vng .feature-item:hover, .page-bn-c-hi-vng .promotion-item:hover, .page-bn-c-hi-vng .why-choose-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
}

.page-bn-c-hi-vng .feature-image, .page-bn-c-hi-vng .promotion-image, .page-bn-c-hi-vng .why-choose-icon {
    width: 100%;
    max-width: 250px; /* Ensure images are not too small */
    height: auto;
    margin-bottom: 20px;
    border-radius: 8px;
    object-fit: cover;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.page-bn-c-hi-vng .why-choose-icon {
    max-width: 120px;
    margin-bottom: 25px;
}

.page-bn-c-hi-vng .feature-item h3, .page-bn-c-hi-vng .promotion-item h3, .page-bn-c-hi-vng .why-choose-item h3 {
    color: var(--secondary-color);
    font-size: 1.4em;
    margin-top: 0;
    margin-bottom: 10px;
}

.page-bn-c-hi-vng .feature-item p, .page-bn-c-hi-vng .promotion-item p, .page-bn-c-hi-vng .why-choose-item p {
    font-size: 1em;
    color: var(--text-dark);
    text-align: center;
}

/* Guide Steps */
.page-bn-c-hi-vng .guide-steps {
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin-top: 40px;
}

.page-bn-c-hi-vng .step-item {
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
    padding: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.page-bn-c-hi-vng .step-number {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2em;
    font-weight: bold;
    margin-bottom: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-bn-c-hi-vng .step-item h3 {
    color: var(--secondary-color);
    margin-top: 0;
    margin-bottom: 15px;
}

.page-bn-c-hi-vng .step-item p {
    font-size: 1.1em;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.page-bn-c-hi-vng .step-buttons {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

/* FAQ Section */
.page-bn-c-hi-vng .faq-list {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.faq-item {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  background-color: #ffffff;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  background: var(--bg-light);
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.faq-question:hover {
  background: #e9e9e9;
}

.faq-question h3 {
  margin: 0;
  font-size: 1.25em;
  color: var(--secondary-color);
  text-align: left;
}

.faq-toggle {
  font-size: 2em;
  font-weight: bold;
  color: var(--primary-color);
  transition: transform 0.3s ease;
  line-height: 1;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out, padding 0.4s ease-out;
  padding: 0 25px;
  background: #fdfdfd;
  color: var(--text-dark);
}

.faq-item.active .faq-answer {
  max-height: 500px; /* Sufficient height to contain content */
  padding: 25px;
  border-top: 1px solid var(--border-color);
}

.faq-item.active .faq-answer p {
    margin: 0;
    text-align: left;
}

/* Conclusion Section */
.page-bn-c-hi-vng .section-conclusion {
    background-color: var(--secondary-color);
    color: var(--text-light);
    text-align: center;
    padding: 80px 20px;
}

.page-bn-c-hi-vng .section-conclusion h2 {
    color: var(--primary-color);
    font-size: 2.5em;
    margin-bottom: 30px;
    border-bottom: none;
    padding-bottom: 0;
}

.page-bn-c-hi-vng .section-conclusion p {
    font-size: 1.2em;
    max-width: 800px;
    margin: 0 auto 40px auto;
    color: var(--text-light);
}

.page-bn-c-hi-vng .section-conclusion .primary-button {
    background: var(--primary-color);
    color: var(--secondary-color);
    border: 2px solid var(--primary-color);
}

.page-bn-c-hi-vng .section-conclusion .primary-button:hover {
    background: darken(var(--primary-color), 10%);
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-bn-c-hi-vng h1 {
        font-size: 2.5em;
    }
    .page-bn-c-hi-vng h2 {
        font-size: 2em;
    }
    .page-bn-c-hi-vng .hero-content h1 {
        font-size: 3em;
    }
    .page-bn-c-hi-vng .hero-content p {
        font-size: 1.1em;
    }
}

@media (max-width: 768px) {
    .page-bn-c-hi-vng .container {
        padding: 15px;
    }
    .page-bn-c-hi-vng h1 {
        font-size: 2.2em;
    }
    .page-bn-c-hi-vng h2 {
        font-size: 1.8em;
    }
    .page-bn-c-hi-vng h3 {
        font-size: 1.4em;
    }
    .page-bn-c-hi-vng p {
        font-size: 1em;
    }
    .page-bn-c-hi-vng .hero-section {
        padding: 40px 15px;
    }
    .page-bn-c-hi-vng .hero-content h1 {
        font-size: 2.5em;
    }
    .page-bn-c-hi-vng .hero-content p {
        font-size: 1em;
    }
    .page-bn-c-hi-vng .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    .page-bn-c-hi-vng .cta-button {
        padding: 12px 30px;
        font-size: 1em;
        width: 100%;
        max-width: 300px;
    }
    .page-bn-c-hi-vng .feature-grid, .page-bn-c-hi-vng .promotion-grid, .page-bn-c-hi-vng .why-choose-grid {
        grid-template-columns: 1fr;
    }
    .page-bn-c-hi-vng .step-item {
        padding: 25px;
    }
    .faq-question {
        padding: 15px 20px;
    }
    .faq-question h3 {
        font-size: 1.1em;
    }
    .faq-answer {
        padding: 0 20px;
    }
    .faq-item.active .faq-answer {
        padding: 20px;
    }
    .page-bn-c-hi-vng .section-conclusion h2 {
        font-size: 2em;
    }
    .page-bn-c-hi-vng .section-conclusion p {
        font-size: 1em;
    }
}

@media (max-width: 480px) {
    .page-bn-c-hi-vng h1 {
        font-size: 1.8em;
    }
    .page-bn-c-hi-vng h2 {
        font-size: 1.5em;
    }
    .page-bn-c-hi-vng .hero-content h1 {
        font-size: 2em;
    }
    .page-bn-c-hi-vng .hero-image img {
        border-radius: 8px;
    }
    .page-bn-c-hi-vng .cta-button {
        font-size: 0.9em;
        padding: 10px 25px;
    }
    .faq-question h3 {
        font-size: 1em;
    }
    .faq-toggle {
        font-size: 1.8em;
    }
}