/* style/index.css */

/* Biến CSS */
:root {
    --page-index-primary-color: #1A2A3A;
    --page-index-accent-color: #FFD700;
    --page-index-text-light: #F8F8F8;
    --page-index-text-dark: #1A2A3A;
    --page-index-bg-light: #FFFFFF;
    --page-index-bg-dark: #2C3E50; /* Slightly lighter dark for better contrast with text-light */
}

/* Cấu trúc chung của trang */
.page-index {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--page-index-text-light);
    background-color: var(--page-index-primary-color);
}

.page-index-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.page-index-section {
    padding: 80px 0;
    text-align: center;
}

.page-index-section:nth-child(even) {
    background-color: var(--page-index-bg-dark);
}

.page-index-section-title {
    font-size: 2.8em;
    color: var(--page-index-accent-color);
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 15px;
}

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

.page-index-section-text {
    font-size: 1.1em;
    color: var(--page-index-text-light);
    max-width: 800px;
    margin: 0 auto 30px auto;
}

.page-index-highlight {
    color: var(--page-index-accent-color);
    font-weight: bold;
}

/* Nút chung */
.page-index-btn {
    display: inline-block;
    padding: 14px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
    margin: 10px;
    font-size: 1.05em;
}

.page-index-btn-primary {
    background-color: var(--page-index-accent-color);
    color: var(--page-index-primary-color);
    border: 2px solid var(--page-index-accent-color);
}

.page-index-btn-primary:hover {
    background-color: darken(#FFD700, 10%); /* This will be handled by a preprocessor or JS for actual darkening */
    color: var(--page-index-text-dark);
    transform: translateY(-3px);
}

.page-index-btn-secondary {
    background-color: transparent;
    color: var(--page-index-accent-color);
    border: 2px solid var(--page-index-accent-color);
}

.page-index-btn-secondary:hover {
    background-color: var(--page-index-accent-color);
    color: var(--page-index-primary-color);
    transform: translateY(-3px);
}

.page-index-link-more {
    color: var(--page-index-accent-color);
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
    display: inline-block;
    margin-top: 15px;
}

.page-index-link-more:hover {
    color: lighten(#FFD700, 10%); /* This will be handled by a preprocessor or JS for actual lightening */
    text-decoration: underline;
}

/* Phần Hero */
.page-index-hero {
    background: linear-gradient(135deg, var(--page-index-primary-color) 0%, #0D1B2A 100%); /* Slightly lighter dark for gradient */
    padding: 100px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    min-height: 70vh;
    text-align: left;
    flex-wrap: wrap;
}

.page-index-hero-content {
    max-width: 600px;
    z-index: 1;
    padding: 20px;
}

.page-index-hero-title {
    font-size: 3.5em;
    color: var(--page-index-accent-color);
    margin-bottom: 20px;
    line-height: 1.2;
}

.page-index-hero-description {
    font-size: 1.3em;
    color: var(--page-index-text-light);
    margin-bottom: 30px;
}

.page-index-hero-actions .page-index-btn {
    min-width: 180px;
}

.page-index-hero-image-wrapper {
    flex-shrink: 0;
    max-width: 500px;
    margin-right: 20px; /* Space between content and image */
}

.page-index-hero-image {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Phần Tính năng */
.page-index-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.page-index-feature-item {
    background-color: var(--page-index-bg-dark);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.page-index-feature-item:hover {
    transform: translateY(-10px);
}

.page-index-feature-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 5px var(--page-index-accent-color)); /* Glow effect */
}

.page-index-feature-title {
    font-size: 1.8em;
    color: var(--page-index-accent-color);
    margin-bottom: 15px;
}

.page-index-feature-description {
    font-size: 1em;
    color: var(--page-index-text-light);
}

/* Phần Trò chơi */
.page-index-games {
    background-color: var(--page-index-primary-color);
}

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

.page-index-game-card {
    background-color: var(--page-index-bg-dark);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    text-align: center;
    transition: transform 0.3s ease;
}

.page-index-game-card:hover {
    transform: translateY(-10px);
}

.page-index-game-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.page-index-game-title {
    font-size: 1.6em;
    color: var(--page-index-accent-color);
    margin: 20px 0 10px;
}

.page-index-game-description {
    padding: 0 20px 20px;
    color: var(--page-index-text-light);
    font-size: 0.95em;
}

/* Phần Khuyến mãi */
.page-index-promotions-content {
    max-width: 900px;
}

.page-index-promo-image {
    width: 100%;
    max-width: 800px;
    height: auto;
    border-radius: 10px;
    margin: 40px auto;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

/* Phần Bảo mật */
.page-index-security-image {
    width: 100%;
    max-width: 400px;
    height: auto;
    margin-top: 40px;
    filter: drop-shadow(0 0 10px var(--page-index-accent-color));
}

/* Phần Kêu gọi hành động */
.page-index-cta-content {
    max-width: 900px;
}

.page-index-cta-image {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 10px;
    margin: 40px auto;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-index-cta-actions .page-index-btn {
    min-width: 200px;
}

/* Phần Trang chi tiết */
.page-index-detail-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-index-detail-card {
    background-color: var(--page-index-bg-dark);
    padding: 25px;
    border-radius: 10px;
    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-index-detail-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.page-index-detail-title {
    font-size: 1.4em;
    margin-bottom: 10px;
}

.page-index-detail-title a {
    color: var(--page-index-accent-color);
    text-decoration: none;
}

.page-index-detail-title a:hover {
    text-decoration: underline;
}

.page-index-detail-description {
    font-size: 0.95em;
    color: var(--page-index-text-light);
    margin-bottom: 20px;
}

/* Responsive Design */
@media (max-width: 992px) {
    .page-index-hero {
        flex-direction: column;
        text-align: center;
        padding: 80px 20px;
    }

    .page-index-hero-content {
        max-width: 100%;
        margin-bottom: 40px;
    }

    .page-index-hero-image-wrapper {
        margin-right: 0;
    }

    .page-index-hero-title {
        font-size: 2.8em;
    }

    .page-index-hero-description {
        font-size: 1.1em;
    }

    .page-index-section {
        padding: 60px 0;
    }

    .page-index-section-title {
        font-size: 2.2em;
    }
}

@media (max-width: 768px) {
    .page-index-hero-title {
        font-size: 2.2em;
    }

    .page-index-hero-description {
        font-size: 1em;
    }

    .page-index-btn {
        padding: 12px 25px;
        font-size: 1em;
    }

    .page-index-section-title {
        font-size: 1.8em;
    }

    .page-index-section-text {
        font-size: 0.95em;
    }

    .page-index-features-grid, .page-index-game-categories, .page-index-detail-links {
        grid-template-columns: 1fr;
    }

    .page-index-feature-item, .page-index-game-card, .page-index-detail-card {
        margin-left: 10px;
        margin-right: 10px;
    }
}

@media (max-width: 480px) {
    .page-index-hero-title {
        font-size: 1.8em;
    }

    .page-index-hero-description {
        font-size: 0.9em;
    }

    .page-index-hero-actions {
        flex-direction: column;
    }

    .page-index-btn {
        width: 80%;
        margin: 5px auto;
    }

    .page-index-section {
        padding: 40px 0;
    }

    .page-index-section-title {
        font-size: 1.5em;
    }
}