/* style/khuyn-mi-vip-program.css */
:root {
    --primary-color: #007bff;
    --secondary-color: #ffc107;
    --dark-text: #333333;
    --light-text: #ffffff;
    --background-light: #f8f9fa;
    --background-dark: #0056b3;
    --card-bg: #ffffff;
    --border-color: #e0e0e0;
}

.page-khuyn-mi-vip-program {
    font-family: 'Arial', sans-serif;
    color: var(--dark-text);
    line-height: 1.6;
}

.page-khuyn-mi-vip-program .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.page-khuyn-mi-vip-program .section-title {
    font-size: 36px;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 10px;
}

.page-khuyn-mi-vip-program .section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--secondary-color);
    border-radius: 2px;
}

/* Hero Section */
.page-khuyn-mi-vip-program .hero-vip-program {
    position: relative;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0056b3 100%); /* Darker blue for background */
    padding: 120px 0;
    color: var(--light-text);
    text-align: center;
    overflow: hidden;
}

.page-khuyn-mi-vip-program .vip-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4); /* Dark overlay for text readability */
    z-index: 1;
}

.page-khuyn-mi-vip-program .vip-hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
}

.page-khuyn-mi-vip-program .vip-hero-content h1 {
    font-size: 48px;
    margin-bottom: 20px;
    color: var(--light-text);
}

.page-khuyn-mi-vip-program .vip-hero-content p {
    font-size: 20px;
    margin-bottom: 40px;
    color: #e0e0e0; /* Slightly off-white for contrast */
}

.page-khuyn-mi-vip-program .cta-button {
    display: inline-block;
    background-color: var(--secondary-color);
    color: var(--dark-text);
    padding: 18px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 20px;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

.page-khuyn-mi-vip-program .cta-button:hover {
    background-color: #e6a700; /* Darker gold on hover */
    transform: translateY(-3px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.3);
}

/* Intro Section */
.page-khuyn-mi-vip-program .intro-section {
    background-color: var(--background-light);
    padding: 80px 0;
}

.page-khuyn-mi-vip-program .benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-khuyn-mi-vip-program .benefit-item {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-khuyn-mi-vip-program .benefit-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-khuyn-mi-vip-program .benefit-icon {
    width: 120px;
    height: 120px;
    margin-bottom: 20px;
    object-fit: contain;
}

.page-khuyn-mi-vip-program .benefit-item h3 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.page-khuyn-mi-vip-program .benefit-item p {
    font-size: 16px;
    color: var(--dark-text);
}

/* Tiers Section */
.page-khuyn-mi-vip-program .tiers-section {
    background-color: #f0f0f0;
    padding: 80px 0;
}

.page-khuyn-mi-vip-program .vip-tiers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-khuyn-mi-vip-program .vip-tier-card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 400px;
}

.page-khuyn-mi-vip-program .vip-tier-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-khuyn-mi-vip-program .tier-icon {
    width: 150px;
    height: 150px;
    margin: 0 auto 20px;
    object-fit: contain;
}

.page-khuyn-mi-vip-program .vip-tier-card h3 {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.page-khuyn-mi-vip-program .vip-tier-card p {
    font-size: 16px;
    color: var(--dark-text);
    margin-bottom: 10px;
    flex-grow: 1;
}

.page-khuyn-mi-vip-program .vip-tier-card p strong {
    color: var(--secondary-color);
}

.page-khuyn-mi-vip-program .btn-small {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--light-text);
    padding: 10px 25px;
    border-radius: 25px;
    text-decoration: none;
    font-size: 15px;
    font-weight: bold;
    margin-top: 15px;
    transition: background-color 0.3s ease;
}

.page-khuyn-mi-vip-program .btn-small:hover {
    background-color: var(--background-dark);
}

/* How To Join Section */
.page-khuyn-mi-vip-program .how-to-join-section {
    padding: 80px 0;
    background-color: var(--background-light);
}

.page-khuyn-mi-vip-program .step-by-step-guide {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-khuyn-mi-vip-program .guide-step {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    position: relative;
    text-align: center;
}

.page-khuyn-mi-vip-program .step-number {
    background-color: var(--secondary-color);
    color: var(--dark-text);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: bold;
    margin: -60px auto 20px;
    border: 5px solid var(--background-light);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-khuyn-mi-vip-program .guide-step h3 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.page-khuyn-mi-vip-program .guide-step p {
    font-size: 16px;
    color: var(--dark-text);
}

.page-khuyn-mi-vip-program .guide-step p a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: bold;
}

.page-khuyn-mi-vip-program .guide-step p a:hover {
    text-decoration: underline;
}

.page-khuyn-mi-vip-program .join-call-to-action {
    text-align: center;
    margin-top: 50px;
    font-size: 18px;
    font-weight: bold;
}

/* Exclusive Offers Section */
.page-khuyn-mi-vip-program .exclusive-offers-section {
    padding: 80px 0;
    background-color: #f0f0f0;
}

.page-khuyn-mi-vip-program .offers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-khuyn-mi-vip-program .offer-card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-khuyn-mi-vip-program .offer-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-khuyn-mi-vip-program .offer-image {
    width: 100%;
    max-height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
}

.page-khuyn-mi-vip-program .offer-card h3 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.page-khuyn-mi-vip-program .offer-card p {
    font-size: 16px;
    color: var(--dark-text);
}

/* FAQ Section */
.page-khuyn-mi-vip-program .faq-section {
    padding: 80px 0;
    background-color: var(--background-light);
}

.page-khuyn-mi-vip-program .faq-list {
    margin-top: 40px;
}

.page-khuyn-mi-vip-program .faq-item {
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    background-color: var(--card-bg);
}

.page-khuyn-mi-vip-program .faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    background: #fff;
    cursor: pointer;
    transition: background-color 0.3s ease;
    border-bottom: 1px solid transparent; /* default */
}

.page-khuyn-mi-vip-program .faq-item.active .faq-question {
    border-bottom: 1px solid var(--border-color);
}

.page-khuyn-mi-vip-program .faq-question:hover {
    background: #f5f5f5;
}

.page-khuyn-mi-vip-program .faq-question h3 {
    font-size: 20px;
    color: var(--primary-color);
    margin: 0;
}

.page-khuyn-mi-vip-program .faq-toggle {
    font-size: 28px;
    font-weight: bold;
    color: var(--secondary-color);
    transition: transform 0.3s ease;
    line-height: 1;
}

.page-khuyn-mi-vip-program .faq-item.active .faq-toggle {
    transform: rotate(45deg);
    color: var(--primary-color);
}

.page-khuyn-mi-vip-program .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out, padding 0.4s ease-out;
    padding: 0 25px;
    background: #f9f9f9;
}

.page-khuyn-mi-vip-program .faq-item.active .faq-answer {
    max-height: 500px; /* Sufficient height to contain content */
    padding: 25px;
    background: #f9f9f9;
    border-radius: 0 0 8px 8px;
}

.page-khuyn-mi-vip-program .faq-answer p {
    font-size: 16px;
    color: var(--dark-text);
    margin: 0;
}

/* Final CTA Section */
.page-khuyn-mi-vip-program .final-cta-section {
    background: linear-gradient(135deg, #0056b3 0%, var(--primary-color) 100%);
    padding: 80px 0;
    text-align: center;
    color: var(--light-text);
}

.page-khuyn-mi-vip-program .final-cta-section .section-title {
    color: var(--light-text);
}

.page-khuyn-mi-vip-program .final-cta-section .section-title::after {
    background-color: var(--secondary-color);
}

.page-khuyn-mi-vip-program .final-cta-section p {
    font-size: 18px;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: #e0e0e0;
}

/* Responsive Design */
@media (max-width: 992px) {
    .page-khuyn-mi-vip-program .vip-hero-content h1 {
        font-size: 40px;
    }
    .page-khuyn-mi-vip-program .vip-hero-content p {
        font-size: 18px;
    }
    .page-khuyn-mi-vip-program .section-title {
        font-size: 30px;
    }
    .page-khuyn-mi-vip-program .benefits-grid, 
    .page-khuyn-mi-vip-program .vip-tiers-grid, 
    .page-khuyn-mi-vip-program .step-by-step-guide, 
    .page-khuyn-mi-vip-program .offers-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    .page-khuyn-mi-vip-program .benefit-icon, .page-khuyn-mi-vip-program .tier-icon {
        width: 100px;
        height: 100px;
    }
}

@media (max-width: 768px) {
    .page-khuyn-mi-vip-program .hero-vip-program {
        padding: 80px 0;
    }
    .page-khuyn-mi-vip-program .vip-hero-content h1 {
        font-size: 32px;
    }
    .page-khuyn-mi-vip-program .vip-hero-content p {
        font-size: 16px;
    }
    .page-khuyn-mi-vip-program .cta-button {
        padding: 15px 30px;
        font-size: 18px;
    }
    .page-khuyn-mi-vip-program .section-title {
        font-size: 28px;
        margin-bottom: 30px;
    }
    .page-khuyn-mi-vip-program .intro-section, 
    .page-khuyn-mi-vip-program .tiers-section, 
    .page-khuyn-mi-vip-program .how-to-join-section, 
    .page-khuyn-mi-vip-program .exclusive-offers-section, 
    .page-khuyn-mi-vip-program .faq-section, 
    .page-khuyn-mi-vip-program .final-cta-section {
        padding: 60px 0;
    }
    .page-khuyn-mi-vip-program .step-number {
        margin: -50px auto 15px;
        width: 50px;
        height: 50px;
        font-size: 28px;
    }
    .page-khuyn-mi-vip-program .faq-question h3 {
        font-size: 18px;
    }
    .page-khuyn-mi-vip-program .faq-toggle {
        font-size: 24px;
    }
    .page-khuyn-mi-vip-program .faq-question, .page-khuyn-mi-vip-program .faq-answer {
        padding-left: 15px;
        padding-right: 15px;
    }
}

@media (max-width: 576px) {
    .page-khuyn-mi-vip-program .vip-hero-content h1 {
        font-size: 28px;
    }
    .page-khuyn-mi-vip-program .vip-hero-content p {
        font-size: 15px;
    }
    .page-khuyn-mi-vip-program .cta-button {
        padding: 12px 25px;
        font-size: 16px;
    }
    .page-khuyn-mi-vip-program .section-title {
        font-size: 24px;
    }
    .page-khuyn-mi-vip-program .benefits-grid, 
    .page-khuyn-mi-vip-program .vip-tiers-grid, 
    .page-khuyn-mi-vip-program .step-by-step-guide, 
    .page-khuyn-mi-vip-program .offers-grid {
        grid-template-columns: 1fr;
    }
    .page-khuyn-mi-vip-program .benefit-item h3, 
    .page-khuyn-mi-vip-program .vip-tier-card h3, 
    .page-khuyn-mi-vip-program .guide-step h3, 
    .page-khuyn-mi-vip-program .offer-card h3 {
        font-size: 22px;
    }
}