/* style/vip-program.css */
:root {
    --primary-color: #11A84E;
    --secondary-color: #22C768;
    --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
    --card-bg: #11271B;
    --background-color: #08160F;
    --text-main-color: #F2FFF6;
    --text-secondary-color: #A7D9B8;
    --border-color: #2E7A4E;
    --glow-color: #57E38D;
    --gold-color: #F2C14E;
    --divider-color: #1E3A2A;
    --deep-green-color: #0A4B2C;
}

/* body đã padding-top: var(--header-offset)；trang này không được viết lại biến đó */
.page-vip-program {
    font-family: Arial, sans-serif;
    color: var(--text-main-color); /* Màu chữ mặc định cho nền tối */
    background-color: var(--background-color);
}

.page-vip-program__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 0 60px 0; /* Padding-top nhỏ, không dùng --header-offset */
    background-color: var(--deep-green-color);
    overflow: hidden;
}

.page-vip-program__hero-image-wrapper {
    width: 100%;
    max-height: 675px;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
}

.page-vip-program__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.page-vip-program__hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    padding: 0 20px;
    box-sizing: border-box;
}

.page-vip-program__main-title {
    color: var(--gold-color);
    font-weight: bold;
    line-height: 1.2;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
    text-shadow: 0 0 10px rgba(242, 193, 78, 0.5);
    font-size: clamp(2rem, 4vw, 3.5rem);
}

.page-vip-program__hero-description {
    color: var(--text-secondary-color);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 30px;
}

.page-vip-program__cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.page-vip-program__cta-buttons--centered {
    margin-top: 30px;
}

.page-vip-program__btn-primary,
.page-vip-program__btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: bold;
    text-decoration: none;
    transition: all 0.3s ease;
    white-space: nowrap;
    cursor: pointer;
    box-sizing: border-box;
    max-width: 100%;
    white-space: normal;
    word-wrap: break-word;
}

.page-vip-program__btn-primary {
    background: var(--button-gradient);
    color: var(--text-main-color);
    border: 2px solid transparent;
    box-shadow: 0 4px 15px rgba(42, 209, 111, 0.4);
}

.page-vip-program__btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(42, 209, 111, 0.6);
}

.page-vip-program__btn-secondary {
    background: transparent;
    color: var(--gold-color);
    border: 2px solid var(--gold-color);
    box-shadow: 0 0 10px rgba(242, 193, 78, 0.3);
}

.page-vip-program__btn-secondary:hover {
    background: rgba(242, 193, 78, 0.1);
    transform: translateY(-3px);
    box-shadow: 0 0 15px rgba(242, 193, 78, 0.5);
}

.page-vip-program__section {
    padding: 60px 0;
    background-color: var(--background-color);
}

.page-vip-program__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

.page-vip-program__text-center {
    text-align: center;
}

.page-vip-program__section-title {
    color: var(--gold-color);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 40px;
    text-shadow: 0 0 8px rgba(242, 193, 78, 0.4);
}

.page-vip-program__text-block {
    color: var(--text-secondary-color);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 20px;
    text-align: justify;
}

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

.page-vip-program__card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    color: var(--text-main-color); /* Đảm bảo màu chữ sáng trên nền tối */
}

.page-vip-program__card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

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

.page-vip-program__card-title {
    color: var(--gold-color);
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.page-vip-program__card-text {
    color: var(--text-secondary-color);
    font-size: 0.95rem;
    line-height: 1.6;
}

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

.page-vip-program__feature-card {
    padding: 30px;
    text-align: left;
}

.page-vip-program__feature-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
}

.page-vip-program__feature-title {
    color: var(--gold-color);
    font-size: 1.6rem;
    margin-bottom: 15px;
}

.page-vip-program__feature-description {
    color: var(--text-secondary-color);
    font-size: 1rem;
    line-height: 1.6;
}

.page-vip-program__faq-list {
    margin-top: 40px;
    border-top: 1px solid var(--divider-color);
}

.page-vip-program__faq-item {
    border-bottom: 1px solid var(--divider-color);
    margin-bottom: 0;
    padding: 0;
    color: var(--text-main-color);
}

.page-vip-program__faq-item summary {
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    cursor: pointer;
    font-size: 1.15rem;
    font-weight: bold;
    color: var(--text-main-color);
    transition: color 0.3s ease;
}

.page-vip-program__faq-item summary::-webkit-details-marker {
    display: none;
}

.page-vip-program__faq-item summary:hover {
    color: var(--gold-color);
}

.page-vip-program__faq-qtext {
    flex-grow: 1;
    color: var(--text-main-color);
}

.page-vip-program__faq-toggle {
    font-size: 1.8rem;
    line-height: 1;
    margin-left: 15px;
    color: var(--gold-color);
}

.page-vip-program__faq-answer {
    padding: 15px 0 20px 0;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-secondary-color);
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-vip-program__main-title {
        font-size: clamp(1.8rem, 5vw, 3rem);
    }

    .page-vip-program__section-title {
        font-size: 2rem;
    }

    .page-vip-program__feature-card {
        padding: 25px;
    }
}

@media (max-width: 768px) {
    .page-vip-program__hero-section {
        padding-bottom: 40px;
    }

    .page-vip-program__hero-content {
        padding: 0 15px;
    }

    .page-vip-program__main-title {
        font-size: clamp(1.5rem, 6vw, 2.5rem);
    }

    .page-vip-program__hero-description {
        font-size: 1rem;
    }

    .page-vip-program__cta-buttons {
        flex-direction: column;
        gap: 15px;
        width: 100%;
        padding: 0 15px;
        box-sizing: border-box;
    }

    .page-vip-program__btn-primary,
    .page-vip-program__btn-secondary {
        max-width: 100% !important;
        width: 100% !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        padding: 12px 20px;
        font-size: 1rem;
    }

    .page-vip-program__section {
        padding: 40px 0;
    }

    .page-vip-program__container {
        padding: 0 15px;
    }

    .page-vip-program__section-title {
        font-size: 1.8rem;
        margin-bottom: 30px;
    }

    .page-vip-program__text-block {
        font-size: 0.95rem;
    }

    .page-vip-program__card-grid,
    .page-vip-program__feature-grid {
        gap: 20px;
        margin-top: 30px;
    }

    .page-vip-program__card-image,
    .page-vip-program__feature-image {
        height: 180px;
    }

    .page-vip-program__faq-item summary {
        font-size: 1rem;
        padding: 15px 0;
    }

    .page-vip-program__faq-answer {
        font-size: 0.95rem;
        padding: 10px 0 15px 0;
    }

    /* Forced image responsive styles */
    .page-vip-program img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }

    .page-vip-program__section,
    .page-vip-program__card,
    .page-vip-program__container,
    .page-vip-program__hero-section,
    .page-vip-program__hero-image-wrapper,
    .page-vip-program__hero-content,
    .page-vip-program__feature-card,
    .page-vip-program__faq-list,
    .page-vip-program__faq-item {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        /* padding-left: 15px;
        padding-right: 15px; */
        overflow-x: hidden;
    }

    .page-vip-program__hero-section {
        padding-top: 10px !important; /* body đã承担 --header-offset，此处禁止 var(--header-offset) */
    }
}

@media (max-width: 480px) {
    .page-vip-program__main-title {
        font-size: clamp(1.2rem, 8vw, 2.2rem);
    }

    .page-vip-program__section-title {
        font-size: 1.6rem;
    }

    .page-vip-program__card-image,
    .page-vip-program__feature-image {
        height: 150px;
    }
}