/* style/register-login-vip-upgrade.css */

/* Biến CSS */
:root {
    --page-register-login-vip-upgrade-primary-color: #1A237E;
    --page-register-login-vip-upgrade-secondary-color: #FFD700;
    --page-register-login-vip-upgrade-text-light: #F8F8F8;
    --page-register-login-vip-upgrade-text-dark: #333333;
    --page-register-login-vip-upgrade-background-dark: #1A237E;
    --page-register-login-vip-upgrade-background-light: #FFFFFF;
    --page-register-login-vip-upgrade-background-alt: #E0E0E0;
    --page-register-login-vip-upgrade-gold-darker: #b39700; /* Darker variant for text on gold */
    --page-register-login-vip-upgrade-indigo-lighter: #5f65a5; /* Lighter variant for text on indigo */
}

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

.page-register-login-vip-upgrade__hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--page-register-login-vip-upgrade-primary-color), #0D1350);
    color: var(--page-register-login-vip-upgrade-text-light);
    padding: 60px 20px;
    text-align: center;
    gap: 40px;
}

.page-register-login-vip-upgrade__hero-content {
    max-width: 800px;
}

.page-register-login-vip-upgrade__hero-title {
    font-size: 2.8em;
    margin-bottom: 20px;
    color: var(--page-register-login-vip-upgrade-secondary-color);
    line-height: 1.2;
}

.page-register-login-vip-upgrade__hero-description {
    font-size: 1.2em;
    margin-bottom: 30px;
    color: var(--page-register-login-vip-upgrade-text-light);
}

.page-register-login-vip-upgrade__hero-image {
    width: 100%;
    max-width: 500px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

.page-register-login-vip-upgrade__hero-image img {
    width: 100%;
    height: auto;
    display: block;
}

.page-register-login-vip-upgrade__section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px;
    background-color: var(--page-register-login-vip-upgrade-background-light);
}

.page-register-login-vip-upgrade__section--dark {
    background-color: var(--page-register-login-vip-upgrade-background-dark);
    color: var(--page-register-login-vip-upgrade-text-light);
}

.page-register-login-vip-upgrade__section--alt-bg {
    background-color: var(--page-register-login-vip-upgrade-background-alt);
    color: var(--page-register-login-vip-upgrade-text-dark);
}

.page-register-login-vip-upgrade__section-title {
    font-size: 2.2em;
    color: var(--page-register-login-vip-upgrade-primary-color);
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.page-register-login-vip-upgrade__section--dark .page-register-login-vip-upgrade__section-title {
    color: var(--page-register-login-vip-upgrade-secondary-color);
}

.page-register-login-vip-upgrade__section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: var(--page-register-login-vip-upgrade-secondary-color);
    margin: 15px auto 0;
    border-radius: 2px;
}

.page-register-login-vip-upgrade__section--dark .page-register-login-vip-upgrade__section-title::after {
    background-color: var(--page-register-login-vip-upgrade-primary-color);
}

.page-register-login-vip-upgrade__text--center {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 40px;
    font-size: 1.1em;
}

.page-register-login-vip-upgrade__note {
    font-style: italic;
    font-size: 0.95em;
    margin-top: 30px;
}

.page-register-login-vip-upgrade__advantages {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    text-align: center;
}

.page-register-login-vip-upgrade__advantage-item {
    background-color: var(--page-register-login-vip-upgrade-background-light);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.page-register-login-vip-upgrade__advantage-item:hover {
    transform: translateY(-5px);
}

.page-register-login-vip-upgrade__advantage-item img {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
}

.page-register-login-vip-upgrade__advantage-item h3 {
    font-size: 1.5em;
    color: var(--page-register-login-vip-upgrade-primary-color);
    margin-bottom: 15px;
}

.page-register-login-vip-upgrade__advantage-item p {
    font-size: 1em;
    color: var(--page-register-login-vip-upgrade-text-dark);
}

.page-register-login-vip-upgrade__vip-tiers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-register-login-vip-upgrade__vip-tier-card {
    background-color: #2e3b97; /* Slightly lighter indigo for card background */
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    color: var(--page-register-login-vip-upgrade-text-light);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--page-register-login-vip-upgrade-secondary-color);
}

.page-register-login-vip-upgrade__vip-tier-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.page-register-login-vip-upgrade__vip-tier-card img {
    width: 100px;
    height: 100px;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 5px var(--page-register-login-vip-upgrade-secondary-color));
}

.page-register-login-vip-upgrade__vip-tier-card h3 {
    font-size: 1.8em;
    color: var(--page-register-login-vip-upgrade-secondary-color);
    margin-bottom: 20px;
}

.page-register-login-vip-upgrade__vip-tier-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.page-register-login-vip-upgrade__vip-tier-card ul li {
    margin-bottom: 10px;
    font-size: 1.05em;
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-register-login-vip-upgrade__vip-tier-card ul li::before {
    content: '✅';
    margin-right: 10px;
    font-size: 0.9em;
}

.page-register-login-vip-upgrade__step-by-step {
    display: flex;
    flex-direction: column;
    gap: 50px;
    margin-top: 40px;
}

.page-register-login-vip-upgrade__step-item {
    display: flex;
    align-items: flex-start;
    gap: 30px;
}

.page-register-login-vip-upgrade__step-number {
    font-size: 2.5em;
    font-weight: bold;
    color: var(--page-register-login-vip-upgrade-secondary-color);
    background-color: var(--page-register-login-vip-upgrade-primary-color);
    border-radius: 50%;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-register-login-vip-upgrade__step-content h3 {
    font-size: 1.8em;
    color: var(--page-register-login-vip-upgrade-primary-color);
    margin-top: 0;
    margin-bottom: 15px;
}

.page-register-login-vip-upgrade__step-content p {
    margin-bottom: 20px;
    color: var(--page-register-login-vip-upgrade-text-dark);
}

.page-register-login-vip-upgrade__step-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-top: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.page-register-login-vip-upgrade__tips-list {
    list-style: none;
    padding: 0;
    margin: 0 auto;
    max-width: 900px;
}

.page-register-login-vip-upgrade__tips-list li {
    background-color: var(--page-register-login-vip-upgrade-background-light);
    margin-bottom: 15px;
    padding: 20px;
    border-left: 5px solid var(--page-register-login-vip-upgrade-primary-color);
    border-radius: 5px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    font-size: 1.1em;
    color: var(--page-register-login-vip-upgrade-text-dark);
}

.page-register-login-vip-upgrade__tips-list li strong {
    color: var(--page-register-login-vip-upgrade-primary-color);
}

.page-register-login-vip-upgrade__faq {
    max-width: 900px;
    margin: 40px auto 0;
}

.page-register-login-vip-upgrade__faq-item {
    background-color: var(--page-register-login-vip-upgrade-background-light);
    margin-bottom: 20px;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-register-login-vip-upgrade__faq-question {
    font-size: 1.3em;
    color: var(--page-register-login-vip-upgrade-primary-color);
    margin-top: 0;
    margin-bottom: 15px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-register-login-vip-upgrade__faq-question::after {
    content: '+';
    font-size: 1.2em;
    font-weight: bold;
    color: var(--page-register-login-vip-upgrade-secondary-color);
    transition: transform 0.3s ease;
}

.page-register-login-vip-upgrade__faq-question.active::after {
    content: '-';
    transform: rotate(180deg);
}

.page-register-login-vip-upgrade__faq-answer {
    font-size: 1em;
    color: var(--page-register-login-vip-upgrade-text-dark);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
    padding-top: 0;
}

.page-register-login-vip-upgrade__faq-answer.active {
    max-height: 200px; /* Adjust as needed */
    padding-top: 15px;
}

.page-register-login-vip-upgrade__cta-banner {
    background: linear-gradient(90deg, #1A237E, #3F51B5);
    color: var(--page-register-login-vip-upgrade-text-light);
    padding: 60px 20px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.page-register-login-vip-upgrade__cta-content {
    max-width: 800px;
}

.page-register-login-vip-upgrade__cta-title {
    font-size: 2.5em;
    color: var(--page-register-login-vip-upgrade-secondary-color);
    margin-bottom: 20px;
}

.page-register-login-vip-upgrade__cta-description {
    font-size: 1.2em;
    margin-bottom: 30px;
}

.page-register-login-vip-upgrade__cta-image {
    width: 100%;
    max-width: 600px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.page-register-login-vip-upgrade__cta-image img {
    width: 100%;
    height: auto;
    display: block;
}

.page-register-login-vip-upgrade__btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: all 0.3s ease;
    text-align: center;
    cursor: pointer;
}

.page-register-login-vip-upgrade__btn--primary {
    background-color: var(--page-register-login-vip-upgrade-secondary-color);
    color: var(--page-register-login-vip-upgrade-primary-color);
    border: 2px solid var(--page-register-login-vip-upgrade-secondary-color);
}

.page-register-login-vip-upgrade__btn--primary:hover {
    background-color: #e5c100;
    border-color: #e5c100;
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

.page-register-login-vip-upgrade__btn--secondary {
    background-color: transparent;
    color: var(--page-register-login-vip-upgrade-secondary-color);
    border: 2px solid var(--page-register-login-vip-upgrade-secondary-color);
}

.page-register-login-vip-upgrade__btn--secondary:hover {
    background-color: var(--page-register-login-vip-upgrade-secondary-color);
    color: var(--page-register-login-vip-upgrade-primary-color);
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

.page-register-login-vip-upgrade__btn--inline {
    padding: 10px 20px;
    font-size: 1em;
    border-radius: 25px;
    margin-top: 15px;
}

/* Responsive Design */
@media (min-width: 768px) {
    .page-register-login-vip-upgrade__hero {
        flex-direction: row;
        text-align: left;
        padding: 80px 40px;
    }

    .page-register-login-vip-upgrade__hero-content {
        text-align: left;
        margin-right: 40px;
    }

    .page-register-login-vip-upgrade__hero-title {
        font-size: 3.5em;
    }

    .page-register-login-vip-upgrade__hero-image {
        max-width: 600px;
    }

    .page-register-login-vip-upgrade__advantages {
        grid-template-columns: repeat(2, 1fr);
    }

    .page-register-login-vip-upgrade__vip-tiers {
        grid-template-columns: repeat(3, 1fr);
    }

    .page-register-login-vip-upgrade__step-item {
        flex-direction: row;
        align-items: flex-start;
        text-align: left;
    }

    .page-register-login-vip-upgrade__step-number {
        margin-right: 30px;
    }

    .page-register-login-vip-upgrade__step-content img {
        float: right;
        margin-left: 30px;
        max-width: 40%;
    }

    .page-register-login-vip-upgrade__step-item:nth-child(even) .page-register-login-vip-upgrade__step-content img {
        float: left;
        margin-right: 30px;
        margin-left: 0;
    }

    .page-register-login-vip-upgrade__cta-banner {
        flex-direction: row;
        text-align: left;
        padding: 80px 40px;
    }

    .page-register-login-vip-upgrade__cta-content {
        text-align: left;
        margin-right: 40px;
    }

    .page-register-login-vip-upgrade__cta-image {
        max-width: 600px;
    }
}

@media (min-width: 1024px) {
    .page-register-login-vip-upgrade__advantages {
        grid-template-columns: repeat(4, 1fr);
    }

    .page-register-login-vip-upgrade__vip-tiers {
        grid-template-columns: repeat(5, 1fr);
    }
}