/* style/bn-c.css */
:root {
    --primary-color: #007bff; /* Deep Blue */
    --secondary-color: #ffc107; /* Bright Gold */
    --text-dark: #333333;
    --text-light: #ffffff;
    --bg-light: #f8f9fa;
    --bg-dark: #002b5c; /* Darker shade of primary for contrast */
    --card-bg: #ffffff;
    --border-color: #e0e0e0;
}

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

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

.page-bn-c-section {
    padding: 60px 0;
    text-align: center;
}

.page-bn-c-section:nth-of-type(even) {
    background-color: #e9ecef;
}

.page-bn-c h1,
.page-bn-c h2,
.page-bn-c h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: bold;
}

.page-bn-c h1 {
    font-size: 2.8em;
    color: var(--text-light);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-bn-c h2 {
    font-size: 2.2em;
    margin-top: 40px;
}

.page-bn-c h3 {
    font-size: 1.6em;
    color: var(--primary-color);
}

.page-bn-c p {
    font-size: 1.1em;
    margin-bottom: 15px;
    color: #555;
}

.page-bn-c-hero-banner {
    background: linear-gradient(135deg, var(--primary-color), var(--bg-dark));
    color: var(--text-light);
    padding: 80px 0 40px;
    position: relative;
    overflow: hidden;
}

.page-bn-c-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.page-bn-c-hero-image {
    width: 100%;
    max-width: 1000px;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
    margin-bottom: 30px;
    object-fit: cover;
}

.page-bn-c-hero-banner p {
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto 30px;
    font-size: 1.2em;
}

.page-bn-c-cta-group {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.page-bn-c-btn {
    display: inline-block;
    padding: 15px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    min-width: 200px;
}

.page-bn-c-btn-primary {
    background-color: var(--secondary-color);
    color: var(--bg-dark);
    border: 2px solid var(--secondary-color);
}

.page-bn-c-btn-primary:hover {
    background-color: #e0ac00;
    border-color: #e0ac00;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-bn-c-btn-secondary {
    background-color: transparent;
    color: var(--text-light);
    border: 2px solid var(--text-light);
}

.page-bn-c-btn-secondary:hover {
    background-color: var(--text-light);
    color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-bn-c-btn-small {
    display: inline-block;
    padding: 10px 25px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    font-size: 0.9em;
    background-color: var(--primary-color);
    color: var(--text-light);
    border: none;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.page-bn-c-btn-small:hover {
    background-color: var(--secondary-color);
    color: var(--bg-dark);
    transform: translateY(-2px);
}

.page-bn-c-intro .page-bn-c-feature-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-bn-c-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease;
}

.page-bn-c-card:hover {
    transform: translateY(-10px);
}

.page-bn-c-card-img {
    width: 100%;
    max-width: 250px;
    height: auto;
    margin-bottom: 20px;
    border-radius: 8px;
    object-fit: cover;
}

.page-bn-c-card h3 {
    color: var(--primary-color);
    font-size: 1.4em;
    margin-bottom: 10px;
}

.page-bn-c-card p {
    font-size: 1em;
    color: #666;
}

.page-bn-c-games-showcase .page-bn-c-game-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-bn-c-game-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 20px;
    text-align: center;
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-bn-c-game-card:hover {
    transform: translateY(-10px);
}

.page-bn-c-game-img {
    width: 100%;
    height: 200px; /* Fixed height for consistency */
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 15px;
}

.page-bn-c-game-card h3 {
    font-size: 1.3em;
    margin-bottom: 10px;
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-bn-c-game-card h3 a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-bn-c-game-card h3 a:hover {
    color: var(--secondary-color);
}

.page-bn-c-game-card p {
    font-size: 0.95em;
    color: #666;
    flex-grow: 1;
    margin-bottom: 15px;
}

.page-bn-c-note {
    font-style: italic;
    color: #777;
    margin-top: 30px;
}

.page-bn-c-how-to-play .page-bn-c-steps {
    list-style: none;
    counter-reset: step-counter;
    text-align: left;
    max-width: 800px;
    margin: 40px auto 0;
}

.page-bn-c-steps li {
    background-color: var(--card-bg);
    padding: 25px 30px;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    position: relative;
    padding-left: 70px;
}

.page-bn-c-steps li::before {
    counter-increment: step-counter;
    content: "Bước " counter(step-counter);
    position: absolute;
    left: 20px;
    top: 25px;
    background-color: var(--primary-color);
    color: var(--text-light);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.1em;
}

.page-bn-c-steps li h3 {
    margin-top: 0;
    margin-bottom: 10px;
    color: var(--primary-color);
    font-size: 1.3em;
}

.page-bn-c-steps li p {
    color: #555;
    font-size: 1em;
    margin-bottom: 10px;
}

.page-bn-c-strategy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-bn-c-strategy-item {
    background-color: var(--card-bg);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease;
}

.page-bn-c-strategy-item:hover {
    transform: translateY(-10px);
}

.page-bn-c-strategy-img {
    width: 100%;
    max-width: 300px;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
}

.page-bn-c-strategy-item h3 {
    font-size: 1.4em;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.page-bn-c-strategy-item p {
    font-size: 1em;
    color: #666;
}

.page-bn-c-strategy-footer {
    margin-top: 40px;
    font-style: italic;
    color: #777;
}

.page-bn-c-promotions .page-bn-c-promo-list {
    list-style: none;
    text-align: left;
    max-width: 900px;
    margin: 40px auto 0;
    padding: 0;
}

.page-bn-c-promo-list li {
    background-color: var(--card-bg);
    padding: 25px 30px;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
}

.page-bn-c-promo-list li h3 {
    margin-top: 0;
    color: var(--secondary-color);
    font-size: 1.5em;
    margin-bottom: 10px;
}

.page-bn-c-promo-list li p {
    color: #555;
    font-size: 1.05em;
}

.page-bn-c-cta-center {
    margin-top: 40px;
}

.page-bn-c-mobile-experience .page-bn-c-mobile-features {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.page-bn-c-mobile-item {
    background-color: var(--card-bg);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 30px;
    text-align: center;
    width: 100%;
    max-width: 350px;
    transition: transform 0.3s ease;
}

.page-bn-c-mobile-item:hover {
    transform: translateY(-10px);
}

.page-bn-c-mobile-icon {
    width: 100%;
    max-width: 200px;
    height: auto;
    margin-bottom: 20px;
    object-fit: contain;
}

.page-bn-c-mobile-item h3 {
    font-size: 1.4em;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.page-bn-c-mobile-item p {
    font-size: 1em;
    color: #666;
    margin-bottom: 20px;
}

.page-bn-c-faq .page-bn-c-faq-list {
    max-width: 900px;
    margin: 40px auto 0;
    text-align: left;
}

.faq-item {
    margin-bottom: 15px;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.faq-question:hover {
    background: #f5f5f5;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.faq-question h3 {
    margin: 0;
    font-size: 1.15em;
    color: var(--primary-color);
    flex-grow: 1;
}

.faq-toggle {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
    margin-left: 15px;
    transition: transform 0.3s ease;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out, padding 0.4s ease-out;
    padding: 0 25px;
    background: #f9f9f9;
    border-radius: 0 0 8px 8px;
    border: 1px solid var(--border-color);
    border-top: none;
}

.faq-item.active .faq-answer {
    max-height: 500px; /* Sufficient height to contain content */
    padding: 20px 25px;
}

.faq-answer p {
    margin: 0;
    color: #444;
    font-size: 1em;
}

.page-bn-c-conclusion p {
    max-width: 900px;
    margin: 0 auto 30px;
    color: #444;
}

/* Responsive Design */
@media (max-width: 992px) {
    .page-bn-c h1 {
        font-size: 2.2em;
    }
    .page-bn-c h2 {
        font-size: 1.8em;
    }
    .page-bn-c h3 {
        font-size: 1.4em;
    }
    .page-bn-c-hero-banner {
        padding: 60px 0 30px;
    }
    .page-bn-c-feature-cards, .page-bn-c-game-grid, .page-bn-c-strategy-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    .page-bn-c-steps li {
        padding-left: 60px;
    }
    .page-bn-c-steps li::before {
        width: 35px;
        height: 35px;
        font-size: 1em;
        left: 15px;
        top: 20px;
    }
    .page-bn-c-btn {
        padding: 12px 30px;
        font-size: 1em;
        min-width: 180px;
    }
    .page-bn-c-mobile-features {
        flex-direction: column;
        align-items: center;
    }
    .page-bn-c-mobile-item {
        max-width: 90%;
    }
}

@media (max-width: 768px) {
    .page-bn-c-section {
        padding: 40px 0;
    }
    .page-bn-c h1 {
        font-size: 1.8em;
    }
    .page-bn-c h2 {
        font-size: 1.6em;
    }
    .page-bn-c h3 {
        font-size: 1.2em;
    }
    .page-bn-c-hero-banner p {
        font-size: 1em;
    }
    .page-bn-c-cta-group {
        flex-direction: column;
        gap: 15px;
    }
    .page-bn-c-btn {
        width: 80%;
        max-width: 300px;
    }
    .page-bn-c-feature-cards, .page-bn-c-game-grid, .page-bn-c-strategy-grid {
        grid-template-columns: 1fr;
    }
    .page-bn-c-steps li {
        padding-left: 50px;
        padding: 15px 20px 15px 55px;
    }
    .page-bn-c-steps li::before {
        width: 30px;
        height: 30px;
        font-size: 0.9em;
        left: 10px;
        top: 15px;
    }
    .faq-question {
        padding: 15px 20px;
    }
    .faq-question h3 {
        font-size: 1em;
    }
    .faq-toggle {
        font-size: 20px;
    }
    .faq-item.active .faq-answer {
        padding: 15px 20px;
    }
}