/* style/index.css */

/* Biến CSS */
:root {
    --page-index-primary-color: #004D99;
    --page-index-secondary-color: #FFD700;
    --page-index-text-dark: #333333;
    --page-index-text-light: #FFFFFF;
    --page-index-bg-light: #F8F8F8;
    --page-index-bg-dark: #003366;
    --page-index-border-color: #E0E0E0;
}

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

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

.page-index__btn {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease, color 0.3s ease, transform 0.2s ease;
    cursor: pointer;
    text-align: center;
    white-space: nowrap;
    border: none;
}

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

.page-index__btn--primary:hover {
    background-color: #e6c200;
    transform: translateY(-2px);
}

.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--text {
    background: none;
    border: none;
    color: var(--page-index-primary-color);
    padding: 5px 0;
    text-decoration: underline;
    font-weight: normal;
}

.page-index__btn--text:hover {
    color: #0066cc;
}

.page-index__btn--small {
    padding: 8px 15px;
    font-size: 0.9em;
}

.page-index__btn--large {
    padding: 15px 35px;
    font-size: 1.1em;
}

.page-index__section-title {
    font-size: 2.5em;
    color: var(--page-index-primary-color);
    text-align: center;
    margin-bottom: 20px;
    font-weight: bold;
}

.page-index__section-subtitle {
    font-size: 1.1em;
    color: var(--page-index-text-dark);
    text-align: center;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Hero Section */
.page-index__hero {
    background: linear-gradient(135deg, var(--page-index-primary-color) 0%, #003366 100%);
    color: var(--page-index-text-light);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-index__hero-content {
    max-width: 900px;
    margin: 0 auto;
    z-index: 1;
    position: relative;
}

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

.page-index__hero-description {
    font-size: 1.3em;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-index__hero-buttons .page-index__btn {
    margin: 0 10px;
}

.page-index__hero-image-wrapper {
    position: absolute;
    top: 50%;
    right: -10%; /* Adjust for visual effect */
    transform: translateY(-50%) rotate(15deg);
    opacity: 0.1;
    z-index: 0;
    width: 600px;
    height: 600px;
    overflow: hidden;
}

.page-index__hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
}

/* About Section */
.page-index__about {
    padding: 80px 0;
    background-color: var(--page-index-bg-light);
}

.page-index__about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.page-index__about-text p {
    margin-bottom: 15px;
    font-size: 1.1em;
}

.page-index__about-image-wrapper {
    text-align: center;
}

.page-index__about-image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Features Section */
.page-index__features {
    padding: 80px 0;
    background-color: var(--page-index-text-light);
}

.page-index__features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    text-align: center;
}

.page-index__feature-item {
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    background-color: var(--page-index-bg-light);
    transition: transform 0.3s ease;
}

.page-index__feature-item:hover {
    transform: translateY(-5px);
}

.page-index__feature-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
    filter: drop-shadow(0 5px 5px rgba(0, 0, 0, 0.1));
}

.page-index__feature-title {
    font-size: 1.5em;
    color: var(--page-index-primary-color);
    margin-bottom: 10px;
}

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

/* Offers Section */
.page-index__offers {
    padding: 80px 0;
    background-color: var(--page-index-bg-dark);
    color: var(--page-index-text-light);
}

.page-index__offers .page-index__section-title, .page-index__offers .page-index__section-subtitle {
    color: var(--page-index-secondary-color);
}

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

.page-index__offer-card {
    background-color: #003366;
    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__offer-card:hover {
    transform: translateY(-5px);
}

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

.page-index__offer-title {
    font-size: 1.5em;
    color: var(--page-index-secondary-color);
    margin: 20px 15px 10px;
}

.page-index__offer-description {
    font-size: 1em;
    color: #e0e0e0;
    padding: 0 15px 20px;
}

.page-index__offer-card .page-index__btn {
    margin-bottom: 20px;
}

.page-index__view-all-offers {
    text-align: center;
}

/* Games Section */
.page-index__games {
    padding: 80px 0;
    background-color: var(--page-index-bg-light);
}

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

.page-index__game-card {
    background-color: var(--page-index-text-light);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease;
}

.page-index__game-card:hover {
    transform: translateY(-5px);
}

.page-index__game-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.page-index__game-title {
    font-size: 1.4em;
    color: var(--page-index-primary-color);
    margin: 20px 15px 10px;
}

.page-index__game-description {
    font-size: 0.95em;
    color: var(--page-index-text-dark);
    padding: 0 15px 20px;
}

.page-index__game-card .page-index__btn {
    margin-bottom: 20px;
}

.page-index__view-all-games {
    text-align: center;
}

/* App Download Section */
.page-index__app-download {
    padding: 80px 0;
    background: linear-gradient(to right, var(--page-index-primary-color), #003366);
    color: var(--page-index-text-light);
}

.page-index__app-download .page-index__section-title {
    color: var(--page-index-secondary-color);
}

.page-index__app-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    margin-bottom: 40px;
}

.page-index__app-text ul {
    list-style: none;
    padding: 0;
    margin: 20px 0;
}

.page-index__app-text ul li {
    margin-bottom: 10px;
    font-size: 1.1em;
    position: relative;
    padding-left: 25px;
}

.page-index__app-text ul li::before {
    content: '✅';
    position: absolute;
    left: 0;
    color: var(--page-index-secondary-color);
}

.page-index__app-buttons .page-index__btn {
    margin-right: 15px;
    margin-bottom: 15px;
}

.page-index__small-text {
    font-size: 0.9em;
    opacity: 0.8;
    margin-top: 15px;
}

.page-index__app-image-wrapper {
    text-align: center;
}

.page-index__app-image {
    max-width: 80%;
    height: auto;
}

.page-index__view-app-guide {
    text-align: center;
}

/* Security Section */
.page-index__security {
    padding: 80px 0;
    background-color: var(--page-index-bg-light);
}

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

.page-index__security-item {
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    background-color: var(--page-index-text-light);
    transition: transform 0.3s ease;
}

.page-index__security-item:hover {
    transform: translateY(-5px);
}

.page-index__security-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
    filter: drop-shadow(0 5px 5px rgba(0, 0, 0, 0.1));
}

.page-index__security-title {
    font-size: 1.5em;
    color: var(--page-index-primary-color);
    margin-bottom: 10px;
}

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

.page-index__view-security-details {
    text-align: center;
    margin-top: 40px;
}

/* CTA Section */
.page-index__cta {
    background-color: var(--page-index-secondary-color);
    padding: 80px 0;
    text-align: center;
    color: var(--page-index-primary-color);
}

.page-index__cta .page-index__section-title {
    color: var(--page-index-primary-color);
}

.page-index__cta-description {
    font-size: 1.3em;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

.page-index__cta .page-index__btn--primary:hover {
    background-color: #003366;
    color: var(--page-index-secondary-color);
    border-color: #003366;
}

/* Detail Pages Section */
.page-index__detail-pages {
    padding: 80px 0;
    background-color: var(--page-index-text-light);
}

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

.page-index__detail-card {
    background-color: var(--page-index-bg-light);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease;
}

.page-index__detail-card:hover {
    transform: translateY(-5px);
}

.page-index__detail-title {
    font-size: 1.4em;
    color: var(--page-index-primary-color);
    margin-bottom: 10px;
}

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

.page-index__detail-title a:hover {
    color: #0066cc;
}

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

/* Responsive Design */
@media (max-width: 992px) {
    .page-index__hero-title {
        font-size: 2.8em;
    }
    .page-index__hero-description {
        font-size: 1.1em;
    }
    .page-index__about-grid, .page-index__app-content {
        grid-template-columns: 1fr;
    }
    .page-index__about-image-wrapper, .page-index__app-image-wrapper {
        order: -1; /* Image appears above text on mobile */
        margin-bottom: 30px;
    }
    .page-index__hero-image-wrapper {
        display: none; /* Hide decorative image on smaller screens */
    }
}

@media (max-width: 768px) {
    .page-index__section-title {
        font-size: 2em;
    }
    .page-index__hero-title {
        font-size: 2.2em;
    }
    .page-index__hero-description {
        font-size: 1em;
    }
    .page-index__hero-buttons .page-index__btn {
        margin: 10px 0;
        width: 100%;
    }
    .page-index__features-grid, .page-index__offers-grid, .page-index__games-grid, .page-index__security-grid, .page-index__detail-grid {
        grid-template-columns: 1fr;
    }
    .page-index__app-buttons .page-index__btn {
        width: 100%;
        margin-right: 0;
    }
}

@media (max-width: 480px) {
    .page-index__hero {
        padding: 60px 0;
    }
    .page-index__hero-title {
        font-size: 1.8em;
    }
    .page-index__hero-description {
        font-size: 0.9em;
    }
    .page-index__btn--large {
        padding: 12px 25px;
        font-size: 1em;
    }
    .page-index__section-title {
        font-size: 1.8em;
    }
}