/* style/vip-program.css */

/* Biến CSS cho màu sắc */
:root {
    --page-vip-program-primary-color: #1A202C; /* Dark Charcoal/Blue */
    --page-vip-program-secondary-color: #FFD700; /* Gold/Amber */
    --page-vip-program-text-light: #F8F8F8; /* Light text for dark backgrounds */
    --page-vip-program-text-dark: #1A202C; /* Dark text for light backgrounds */
    --page-vip-program-background-light: #E0E0E0; /* Light grey background */
    --page-vip-program-card-bg: #2C3540; /* Slightly lighter dark for cards */
    --page-vip-program-border-color: rgba(255, 215, 0, 0.3);
}

.page-vip-program {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--page-vip-program-text-light);
    background-color: var(--page-vip-program-primary-color);
}

.page-vip-program__section {
    padding: 60px 20px;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.page-vip-program__section:nth-of-type(even) {
    background-color: var(--page-vip-program-card-bg);
}

.page-vip-program__section-title {
    font-size: 2.8em;
    color: var(--page-vip-program-secondary-color);
    margin-bottom: 30px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.page-vip-program__section-text {
    font-size: 1.1em;
    color: var(--page-vip-program-text-light);
    max-width: 800px;
    margin: 0 auto 20px auto;
    line-height: 1.8;
}

/* Hero Section */
.page-vip-program__hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 20px;
    background: linear-gradient(135deg, var(--page-vip-program-primary-color) 0%, #3a475a 100%);
    color: var(--page-vip-program-text-light);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-vip-program__hero-content {
    max-width: 900px;
    z-index: 2;
}

.page-vip-program__hero-title {
    font-size: 3.5em;
    color: var(--page-vip-program-secondary-color);
    margin-bottom: 20px;
    font-weight: 900;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-vip-program__hero-description {
    font-size: 1.3em;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.page-vip-program__cta-button {
    display: inline-block;
    background-color: var(--page-vip-program-secondary-color);
    color: var(--page-vip-program-primary-color);
    padding: 15px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.2em;
    font-weight: 700;
    transition: background-color 0.3s ease, transform 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
}

.page-vip-program__cta-button:hover {
    background-color: #e6c200;
    transform: translateY(-3px) scale(1.02);
}

.page-vip-program__hero-image-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    opacity: 0.15;
}

.page-vip-program__hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%) brightness(50%);
    transform: scale(1.1);
}

/* Tiers Section */
.page-vip-program__tiers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-vip-program__tier-card {
    background-color: var(--page-vip-program-primary-color);
    border: 1px solid var(--page-vip-program-border-color);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: left;
}

.page-vip-program__tier-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 25px rgba(255, 215, 0, 0.3);
}

.page-vip-program__tier-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 8px var(--page-vip-program-secondary-color));
}

.page-vip-program__tier-title {
    font-size: 1.8em;
    color: var(--page-vip-program-secondary-color);
    margin-bottom: 15px;
    font-weight: 700;
}

.page-vip-program__tier-description {
    font-size: 1em;
    color: var(--page-vip-program-text-light);
    margin-bottom: 25px;
}

.page-vip-program__tier-benefits {
    list-style: none;
    padding: 0;
    margin: 0;
}

.page-vip-program__tier-benefits li {
    font-size: 0.95em;
    color: var(--page-vip-program-text-light);
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
}

.page-vip-program__tier-benefits li::before {
    content: '✓';
    color: var(--page-vip-program-secondary-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.page-vip-program__note {
    font-size: 0.9em;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 40px;
}

/* How to Join Section */
.page-vip-program__steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-vip-program__step-card {
    background-color: var(--page-vip-program-card-bg);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    text-align: center;
    border: 1px solid var(--page-vip-program-border-color);
}

.page-vip-program__step-icon {
    width: 70px;
    height: 70px;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 6px var(--page-vip-program-secondary-color));
}

.page-vip-program__step-title {
    font-size: 1.5em;
    color: var(--page-vip-program-secondary-color);
    margin-bottom: 10px;
}

.page-vip-program__step-description {
    font-size: 1em;
    color: var(--page-vip-program-text-light);
}

.page-vip-program__step-description a {
    color: var(--page-vip-program-secondary-color);
    text-decoration: none;
    font-weight: bold;
}

.page-vip-program__step-description a:hover {
    text-decoration: underline;
}

/* CTA Section */
.page-vip-program__cta {
    background: linear-gradient(90deg, var(--page-vip-program-secondary-color) 0%, #e6c200 100%);
    padding: 80px 20px;
    color: var(--page-vip-program-primary-color);
    position: relative;
    overflow: hidden;
}

.page-vip-program__cta .page-vip-program__section-title,
.page-vip-program__cta .page-vip-program__section-text {
    color: var(--page-vip-program-primary-color);
}

.page-vip-program__cta-button--large {
    background-color: var(--page-vip-program-primary-color);
    color: var(--page-vip-program-secondary-color);
    padding: 20px 50px;
    font-size: 1.4em;
    margin-top: 30px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-vip-program__cta-button--large:hover {
    background-color: #3a475a;
    color: var(--page-vip-program-secondary-color);
    transform: translateY(-5px) scale(1.03);
}

.page-vip-program__cta-image {
    position: absolute;
    top: 50%;
    right: -50px;
    transform: translateY(-50%) rotate(15deg);
    opacity: 0.1;
    width: 300px;
    height: auto;
    z-index: 1;
    filter: grayscale(100%);
}

/* Related Pages Section */
.page-vip-program__related-links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-vip-program__related-card {
    background-color: var(--page-vip-program-card-bg);
    border: 1px solid var(--page-vip-program-border-color);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    text-align: left;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-vip-program__related-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(255, 215, 0, 0.2);
}

.page-vip-program__related-title {
    font-size: 1.5em;
    color: var(--page-vip-program-secondary-color);
    margin-bottom: 15px;
}

.page-vip-program__related-title a {
    color: inherit;
    text-decoration: none;
}

.page-vip-program__related-title a:hover {
    text-decoration: underline;
}

.page-vip-program__related-description {
    font-size: 1em;
    color: var(--page-vip-program-text-light);
    margin-bottom: 25px;
}

.page-vip-program__related-button {
    display: inline-block;
    background-color: var(--page-vip-program-secondary-color);
    color: var(--page-vip-program-primary-color);
    padding: 10px 25px;
    border-radius: 30px;
    text-decoration: none;
    font-size: 0.95em;
    font-weight: 600;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.page-vip-program__related-button:hover {
    background-color: #e6c200;
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 992px) {
    .page-vip-program__hero-title {
        font-size: 2.8em;
    }
    .page-vip-program__hero-description {
        font-size: 1.1em;
    }
    .page-vip-program__section-title {
        font-size: 2.2em;
    }
}

@media (max-width: 768px) {
    .page-vip-program__hero {
        padding: 60px 15px;
    }
    .page-vip-program__hero-title {
        font-size: 2.2em;
    }
    .page-vip-program__hero-description {
        font-size: 1em;
    }
    .page-vip-program__section {
        padding: 40px 15px;
    }
    .page-vip-program__section-title {
        font-size: 1.8em;
    }
    .page-vip-program__tiers-grid,
    .page-vip-program__steps-grid,
    .page-vip-program__related-links-grid {
        grid-template-columns: 1fr;
    }
    .page-vip-program__cta-button--large {
        padding: 15px 30px;
        font-size: 1.2em;
    }
    .page-vip-program__cta-image {
        width: 200px;
        right: -20px;
    }
}

@media (max-width: 480px) {
    .page-vip-program__hero-title {
        font-size: 1.8em;
    }
    .page-vip-program__hero-description {
        font-size: 0.9em;
    }
    .page-vip-program__cta-button {
        padding: 12px 25px;
        font-size: 1em;
    }
    .page-vip-program__section-title {
        font-size: 1.5em;
    }
    .page-vip-program__tier-title,
    .page-vip-program__step-title,
    .page-vip-program__related-title {
        font-size: 1.3em;
    }
}