/* style/index.css */

/* Biến CSS */
:root {
    --page-index-primary-color: #4A2780;
    --page-index-secondary-color: #FFD700;
    --page-index-text-light: #f8f8f8;
    --page-index-text-dark: #333;
    --page-index-background-dark: #222;
    --page-index-card-background: #3a1f6a;
    --page-index-border-color: rgba(255, 255, 255, 0.1);
}

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

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

.page-index-section-title {
    font-size: 2.8em;
    color: var(--page-index-secondary-color);
    text-align: center;
    margin-bottom: 20px;
    padding-top: 40px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.page-index-sub-title {
    font-size: 1.8em;
    color: var(--page-index-secondary-color);
    margin-bottom: 15px;
    font-weight: 600;
}

.page-index-section-description {
    font-size: 1.1em;
    color: var(--page-index-text-light);
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px auto;
    line-height: 1.8;
}

.page-index-btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1em;
    transition: all 0.3s ease;
    text-align: center;
    cursor: pointer;
    border: none;
}

.page-index-btn-primary {
    background-color: var(--page-index-secondary-color);
    color: var(--page-index-primary-color);
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
}

.page-index-btn-primary:hover {
    background-color: #e6c200;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.6);
}

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

.page-index-btn-secondary:hover {
    background-color: var(--page-index-secondary-color);
    color: var(--page-index-primary-color);
    transform: translateY(-2px);
}

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

.page-index-btn-tertiary:hover {
    background-color: darken(var(--page-index-primary-color), 10%); /* This needs to be a hardcoded color or computed by JS */
    background-color: #3b1d6b;
    color: var(--page-index-secondary-color);
    transform: translateY(-2px);
}

.page-index-btn-small {
    padding: 10px 20px;
    font-size: 0.95em;
    border-radius: 5px;
}

/* Hero Section */
.page-index-hero-section {
    background: linear-gradient(135deg, var(--page-index-primary-color) 0%, #3a1f6a 100%);
    padding: 100px 0 60px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.page-index-hero-image {
    width: 100%;
    max-width: 1000px;
    height: auto;
    margin-top: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    object-fit: cover;
}

.page-index-hero-title {
    font-size: 3.8em;
    color: var(--page-index-secondary-color);
    margin-bottom: 20px;
    font-weight: 800;
    line-height: 1.2;
    text-shadow: 0 0 15px rgba(255, 215, 0, 0.5);
}

.page-index-hero-description {
    font-size: 1.3em;
    color: var(--page-index-text-light);
    max-width: 900px;
    margin: 0 auto 40px auto;
    line-height: 1.7;
}

.page-index-hero-cta-group {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* About Section */
.page-index-about-section {
    padding: 80px 0;
    background-color: var(--page-index-background-dark);
}

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

.page-index-feature-item {
    background-color: var(--page-index-card-background);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--page-index-border-color);
}

.page-index-feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.page-index-feature-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 8px var(--page-index-secondary-color));
}

.page-index-feature-title {
    font-size: 1.6em;
    color: var(--page-index-secondary-color);
    margin-bottom: 15px;
    font-weight: 700;
}

.page-index-feature-text {
    color: var(--page-index-text-light);
    font-size: 1em;
    line-height: 1.7;
}

/* Games Section */
.page-index-games-section {
    padding: 80px 0;
    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-card-background);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--page-index-border-color);
    display: flex;
    flex-direction: column;
}

.page-index-game-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.page-index-game-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid var(--page-index-border-color);
}

.page-index-game-card h3 {
    font-size: 1.7em;
    color: var(--page-index-secondary-color);
    padding: 20px 20px 10px 20px;
    font-weight: 700;
}

.page-index-game-card p {
    color: var(--page-index-text-light);
    padding: 0 20px 20px 20px;
    flex-grow: 1;
}

.page-index-game-card .page-index-btn {
    margin: 0 20px 20px 20px;
}

/* Promotions Section */
.page-index-promotions-section {
    padding: 80px 0;
    background-color: var(--page-index-background-dark);
}

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

.page-index-promo-card {
    background-color: var(--page-index-card-background);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--page-index-border-color);
    display: flex;
    flex-direction: column;
}

.page-index-promo-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.page-index-promo-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-bottom: 1px solid var(--page-index-border-color);
}

.page-index-promo-title {
    font-size: 1.6em;
    color: var(--page-index-secondary-color);
    padding: 20px 20px 10px 20px;
    font-weight: 700;
}

.page-index-promo-text {
    color: var(--page-index-text-light);
    padding: 0 20px 20px 20px;
    flex-grow: 1;
}

.page-index-promo-card .page-index-btn {
    margin: 0 20px 20px 20px;
}

/* Download Section */
.page-index-download-section {
    padding: 80px 0;
    background-color: var(--page-index-primary-color);
}

.page-index-download-content {
    display: flex;
    align-items: center;
    gap: 50px;
    margin-top: 50px;
    flex-wrap: wrap;
    justify-content: center;
}

.page-index-download-image {
    max-width: 400px;
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-index-download-text {
    flex: 1;
    min-width: 300px;
}

.page-index-benefits-list {
    list-style: none;
    padding: 0;
    margin-top: 20px;
}

.page-index-benefits-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 15px;
    font-size: 1.1em;
    color: var(--page-index-text-light);
}

.page-index-list-icon {
    color: var(--page-index-secondary-color);
    font-size: 1.4em;
    margin-right: 10px;
    line-height: 1;
}

.page-index-download-btn {
    margin-top: 30px;
    width: fit-content;
}

/* Registration Section */
.page-index-registration-section {
    padding: 80px 0;
    background-color: var(--page-index-background-dark);
}

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

.page-index-step-item {
    background-color: var(--page-index-card-background);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--page-index-border-color);
}

.page-index-step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background-color: var(--page-index-secondary-color);
    color: var(--page-index-primary-color);
    border-radius: 50%;
    font-size: 2em;
    font-weight: 700;
    margin-bottom: 20px;
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.4);
}

.page-index-step-title {
    font-size: 1.6em;
    color: var(--page-index-secondary-color);
    margin-bottom: 15px;
    font-weight: 700;
}

.page-index-step-text {
    color: var(--page-index-text-light);
    font-size: 1em;
    line-height: 1.7;
}

.page-index-cta-center {
    text-align: center;
    margin-top: 60px;
}

/* Security Section */
.page-index-security-section {
    padding: 80px 0;
    background-color: var(--page-index-primary-color);
}

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

.page-index-security-item {
    background-color: var(--page-index-card-background);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--page-index-border-color);
}

.page-index-security-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 8px var(--page-index-secondary-color));
}

.page-index-security-item p {
    color: var(--page-index-text-light);
    font-size: 1em;
    line-height: 1.7;
}

/* Detail Pages Section */
.page-index-detail-pages-section {
    padding: 80px 0;
    background-color: var(--page-index-background-dark);
}

.page-index-detail-grid {
    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-card-background);
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--page-index-border-color);
    display: flex;
    flex-direction: column;
}

.page-index-detail-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-index-detail-title {
    font-size: 1.4em;
    margin-bottom: 10px;
    font-weight: 700;
    line-height: 1.4;
}

.page-index-detail-title a {
    color: var(--page-index-secondary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-index-detail-title a:hover {
    color: #e6c200;
}

.page-index-detail-text {
    color: var(--page-index-text-light);
    font-size: 0.95em;
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
}

.page-index-detail-card .page-index-btn {
    align-self: flex-start;
}

/* Final CTA Section */
.page-index-final-cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #3a1f6a 0%, var(--page-index-primary-color) 100%);
    text-align: center;
}

.page-index-large-cta-btn {
    padding: 18px 36px;
    font-size: 1.3em;
    border-radius: 10px;
    margin-top: 40px;
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.5);
}

.page-index-large-cta-btn:hover {
    box-shadow: 0 8px 30px rgba(255, 215, 0, 0.7);
}

/* Responsive Design */
@media (max-width: 992px) {
    .page-index-hero-title {
        font-size: 3em;
    }
    .page-index-section-title {
        font-size: 2.2em;
    }
    .page-index-hero-description, .page-index-section-description {
        font-size: 1em;
    }
    .page-index-download-content {
        flex-direction: column;
        text-align: center;
    }
    .page-index-download-image {
        max-width: 80%;
    }
    .page-index-download-text {
        min-width: unset;
    }
    .page-index-benefits-list li {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .page-index-hero-title {
        font-size: 2.5em;
    }
    .page-index-hero-cta-group {
        flex-direction: column;
        gap: 15px;
    }
    .page-index-btn {
        width: 80%;
        max-width: 300px;
        margin: 0 auto;
    }
    .page-index-section-title {
        font-size: 1.8em;
    }
    .page-index-feature-item, .page-index-game-card, .page-index-promo-card, .page-index-step-item, .page-index-security-item, .page-index-detail-card {
        padding: 25px;
    }
    .page-index-large-cta-btn {
        width: 80%;
        max-width: 350px;
    }
}

@media (max-width: 480px) {
    .page-index-container {
        padding: 0 15px;
    }
    .page-index-hero-title {
        font-size: 2em;
    }
    .page-index-hero-description {
        font-size: 0.9em;
    }
    .page-index-section-title {
        font-size: 1.6em;
    }
    .page-index-section-description {
        font-size: 0.9em;
    }
    .page-index-btn {
        padding: 12px 20px;
        font-size: 1em;
    }
    .page-index-feature-title, .page-index-game-card h3, .page-index-promo-title, .page-index-step-title, .page-index-sub-title, .page-index-detail-title {
        font-size: 1.3em;
    }
    .page-index-feature-text, .page-index-game-card p, .page-index-promo-text, .page-index-step-text, .page-index-security-item p, .page-index-detail-text {
        font-size: 0.9em;
    }
}