/* style/vip-program.css */
/* body đã có padding-top: var(--header-offset) từ shared.css, không lặp lại ở đây */

:root {
    --page-vip-program-primary-color: #11A84E;
    --page-vip-program-secondary-color: #22C768;
    --page-vip-program-card-bg: #11271B;
    --page-vip-program-background: #08160F;
    --page-vip-program-text-main: #F2FFF6;
    --page-vip-program-text-secondary: #A7D9B8;
    --page-vip-program-border: #2E7A4E;
    --page-vip-program-glow: #57E38D;
    --page-vip-program-gold: #F2C14E;
    --page-vip-program-divider: #1E3A2A;
    --page-vip-program-deep-green: #0A4B2C;
}

.page-vip-program {
    font-family: Arial, sans-serif;
    color: var(--page-vip-program-text-main); /* Mặc định chữ sáng trên nền tối */
    background-color: var(--page-vip-program-background);
    line-height: 1.6;
}

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

.page-vip-program__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 10px 0 60px 0; /* Chỉ 10px padding-top */
    background: var(--page-vip-program-deep-green);
    overflow: hidden;
}

.page-vip-program__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    max-height: 600px;
}

.page-vip-program__hero-content {
    padding: 40px 20px;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    background: rgba(0, 0, 0, 0.4); /* Nền tối nhẹ để chữ nổi bật */
    border-radius: 10px;
    margin-top: -100px; /* Kéo lên một chút để tạo sự liền mạch */
    box-shadow: 0 8px 20px rgba(0,0,0,0.5);
}

.page-vip-program__main-title {
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    color: var(--page-vip-program-gold);
    margin-bottom: 20px;
    font-weight: bold;
    line-height: 1.2;
    letter-spacing: 0.05em;
    text-shadow: 0 0 10px rgba(242, 193, 78, 0.6);
}

.page-vip-program__hero-description {
    font-size: 1.1rem;
    color: var(--page-vip-program-text-main);
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

.page-vip-program__btn-primary,
.page-vip-program__btn-secondary,
.page-vip-program__btn-tertiary {
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    white-space: nowrap;
    box-sizing: border-box;
    max-width: 100%; /* Đảm bảo nút không tràn */
}

.page-vip-program__btn-primary {
    background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
    color: #ffffff; /* Luôn dùng màu trắng cho nút chính */
    border: 2px solid transparent;
}

.page-vip-program__btn-primary:hover {
    background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
    box-shadow: 0 0 15px var(--page-vip-program-glow);
}

.page-vip-program__btn-secondary {
    background: var(--page-vip-program-background);
    color: var(--page-vip-program-primary-color);
    border: 2px solid var(--page-vip-program-primary-color);
}

.page-vip-program__btn-secondary:hover {
    background: var(--page-vip-program-primary-color);
    color: #ffffff;
    box-shadow: 0 0 15px var(--page-vip-program-primary-color);
}

.page-vip-program__btn-tertiary {
    background: var(--page-vip-program-card-bg);
    color: var(--page-vip-program-text-secondary);
    border: 1px solid var(--page-vip-program-border);
    font-size: 0.9em;
    padding: 10px 20px;
    display: inline-block;
    margin-top: 15px;
}

.page-vip-program__btn-tertiary:hover {
    background: var(--page-vip-program-border);
    color: var(--page-vip-program-text-main);
}

.page-vip-program__section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    color: var(--page-vip-program-gold);
    text-align: center;
    margin-bottom: 40px;
    margin-top: 60px;
    font-weight: bold;
    text-shadow: 0 0 8px rgba(242, 193, 78, 0.4);
}

.page-vip-program__text-block {
    font-size: 1.05rem;
    color: var(--page-vip-program-text-secondary);
    text-align: center;
    margin-bottom: 30px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.page-vip-program__dark-section {
    background-color: var(--page-vip-program-deep-green);
    padding: 60px 0;
}

.page-vip-program__introduction-section {
    padding-top: 60px;
    padding-bottom: 60px;
}

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

.page-vip-program__feature-card {
    background-color: var(--page-vip-program-card-bg);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    border: 1px solid var(--page-vip-program-border);
}

.page-vip-program__feature-image {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: 8px;
    margin-bottom: 20px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.page-vip-program__card-title {
    font-size: 1.5rem;
    color: var(--page-vip-program-gold);
    margin-bottom: 15px;
    font-weight: bold;
}

.page-vip-program__card-description {
    font-size: 1rem;
    color: var(--page-vip-program-text-secondary);
}

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

.page-vip-program__tiers-table-wrapper {
    overflow-x: auto;
    margin-top: 40px;
    border-radius: 12px;
    border: 1px solid var(--page-vip-program-border);
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.page-vip-program__tiers-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 700px; /* Đảm bảo bảng đủ rộng trên mobile */
}

.page-vip-program__tiers-table th,
.page-vip-program__tiers-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--page-vip-program-divider);
}

.page-vip-program__tiers-table th {
    background-color: var(--page-vip-program-deep-green);
    color: var(--page-vip-program-gold);
    font-weight: bold;
    text-transform: uppercase;
    font-size: 0.95rem;
}

.page-vip-program__tiers-table td {
    background-color: var(--page-vip-program-card-bg);
    color: var(--page-vip-program-text-main);
    font-size: 1rem;
}

.page-vip-program__tiers-table tbody tr:nth-child(odd) td {
    background-color: rgba(17, 39, 27, 0.8);
}

.page-vip-program__tiers-table tbody tr:hover td {
    background-color: var(--page-vip-program-deep-green);
}

.page-vip-program__note {
    font-size: 0.9rem;
    color: var(--page-vip-program-text-secondary);
    margin-top: 30px;
    text-align: center;
}

.page-vip-program__exclusive-benefits {
    padding-top: 60px;
    padding-bottom: 60px;
}

.page-vip-program__benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-vip-program__benefit-card {
    background-color: var(--page-vip-program-card-bg);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    border: 1px solid var(--page-vip-program-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.page-vip-program__benefit-image {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 8px;
    margin-bottom: 20px;
    object-fit: cover;
}

.page-vip-program__how-to-join {
    padding: 60px 0;
    background-color: var(--page-vip-program-background);
}

.page-vip-program__steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-vip-program__step-card {
    background-color: var(--page-vip-program-card-bg);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    border: 1px solid var(--page-vip-program-border);
}

.page-vip-program__faq-section {
    padding-top: 60px;
    padding-bottom: 60px;
}

.page-vip-program__faq-list {
    max-width: 900px;
    margin: 50px auto 0 auto;
}

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

.page-vip-program__faq-item summary {
    list-style: none; /* Ẩn marker mặc định của details */
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    background-color: var(--page-vip-program-deep-green);
    color: var(--page-vip-program-gold);
    transition: background-color 0.3s ease;
}

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

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

.page-vip-program__faq-toggle {
    font-size: 1.5rem;
    line-height: 1;
    margin-left: 15px;
}

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

.page-vip-program__faq-answer p {
    margin-top: 10px;
    text-align: left;
}

.page-vip-program__cta-section {
    padding: 80px 0;
    text-align: center;
    background: linear-gradient(90deg, var(--page-vip-program-deep-green) 0%, var(--page-vip-program-background) 100%);
    border-top: 1px solid var(--page-vip-program-divider);
}


/* --- Responsive Styles --- */
@media (max-width: 1024px) {
    .page-vip-program__hero-content {
        margin-top: -80px;
    }
    .page-vip-program__tiers-table-wrapper {
        margin: 40px 20px;
    }
}

@media (max-width: 768px) {
    .page-vip-program__hero-section {
        padding-bottom: 40px;
    }
    .page-vip-program__hero-content {
        padding: 30px 15px;
        margin-top: -60px;
    }
    .page-vip-program__main-title {
        font-size: 2.2rem;
    }
    .page-vip-program__hero-description {
        font-size: 1rem;
    }
    .page-vip-program__section-title {
        font-size: 1.8rem;
        margin-top: 40px;
        margin-bottom: 30px;
    }
    .page-vip-program__text-block {
        font-size: 0.95rem;
    }
    .page-vip-program__features-grid,
    .page-vip-program__benefits-grid,
    .page-vip-program__steps-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 15px;
    }
    .page-vip-program__card-title {
        font-size: 1.3rem;
    }
    .page-vip-program__card-description {
        font-size: 0.9rem;
    }
    .page-vip-program__tiers-table th,
    .page-vip-program__tiers-table td {
        padding: 10px;
        font-size: 0.85rem;
    }
    .page-vip-program__faq-item summary {
        padding: 15px;
        font-size: 1rem;
    }
    .page-vip-program__faq-answer {
        padding: 15px;
        padding-top: 0;
        font-size: 0.9rem;
    }
    .page-vip-program__cta-buttons {
        flex-direction: column;
        gap: 15px;
        padding: 0 15px;
    }
    .page-vip-program__btn-primary,
    .page-vip-program__btn-secondary,
    .page-vip-program__btn-tertiary {
        width: 100% !important;
        max-width: 100% !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        padding-left: 15px;
        padding-right: 15px;
    }
    .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 {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-vip-program__hero-section, .page-vip-program__introduction-section, .page-vip-program__tiers-section, .page-vip-program__exclusive-benefits, .page-vip-program__how-to-join, .page-vip-program__faq-section, .page-vip-program__cta-section {
        padding-left: 0;
        padding-right: 0;
    }
    .page-vip-program__hero-image {
        margin-bottom: 20px; /* Thêm khoảng cách nếu hình ảnh không bị che bởi nội dung */
    }
    .page-vip-program__hero-content {
        margin-top: 0; /* Loại bỏ margin âm để không bị chồng lên hình ảnh trên di động */
        background: none; /* Xóa nền tối nhẹ nếu hình ảnh đã đủ rõ */
        box-shadow: none;
    }
}