/* style/index.css */
.page-index {
    font-family: 'Arial', sans-serif;
    color: #333;
    line-height: 1.6;
}

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

.page-index__section-title {
    font-size: 2.5em;
    color: #1A2E5B;
    text-align: center;
    margin-bottom: 20px;
    font-weight: bold;
}

.page-index__section-subtitle {
    font-size: 1.2em;
    color: #555;
    text-align: center;
    margin-bottom: 40px;
}

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

.page-index__btn--primary {
    background-color: #FF8C00;
    color: #FFFFFF;
    border: 2px solid #FF8C00;
}

.page-index__btn--primary:hover {
    background-color: #e67e00;
    border-color: #e67e00;
    transform: translateY(-2px);
}

.page-index__btn--secondary {
    background-color: transparent;
    color: #1A2E5B;
    border: 2px solid #1A2E5B;
    margin-left: 15px;
}

.page-index__btn--secondary:hover {
    background-color: #1A2E5B;
    color: #FFFFFF;
    transform: translateY(-2px);
}

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

.page-index__btn--large {
    padding: 15px 30px;
    font-size: 1.3em;
}

.page-index__btn--app {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background-color: #1A2E5B;
    color: #FFFFFF;
    border: 2px solid #1A2E5B;
    margin: 10px 0;
    width: 180px;
}

.page-index__btn--app:hover {
    background-color: #2c4a8a;
    border-color: #2c4a8a;
}

.page-index__btn--app img {
    width: 20px;
    height: 20px;
}

/* Hero Section */
.page-index__hero-section {
    background: linear-gradient(135deg, #1A2E5B 0%, #3a5c9a 100%);
    color: #FFFFFF;
    padding: 80px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 600px;
    position: relative;
    overflow: hidden;
}

.page-index__hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 20px;
}

.page-index__hero-title {
    font-size: 3.5em;
    margin-bottom: 20px;
    line-height: 1.2;
    font-weight: bold;
    color: #FF8C00;
}

.page-index__hero-description {
    font-size: 1.4em;
    margin-bottom: 30px;
    color: #e0e0e0;
}

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

.page-index__hero-image-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.2;
}

.page-index__hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(50%) brightness(70%);
}

/* About Section */
.page-index__about-section {
    padding: 80px 0;
    background-color: #f8f9fa;
}

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

@media (min-width: 768px) {
    .page-index__about-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.page-index__about-text p {
    margin-bottom: 15px;
    font-size: 1.1em;
    color: #444;
}

.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);
}

/* Advantages Section */
.page-index__advantages-section {
    padding: 80px 0;
    background-color: #FFFFFF;
}

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

.page-index__advantage-item {
    background-color: #f2f4f7;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

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

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

.page-index__advantage-title {
    font-size: 1.5em;
    color: #1A2E5B;
    margin-bottom: 10px;
}

.page-index__advantage-item p {
    color: #666;
}

/* Games Section */
.page-index__games-section {
    padding: 80px 0;
    background-color: #f8f9fa;
}

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

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

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

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

.page-index__game-title {
    font-size: 1.6em;
    color: #1A2E5B;
    margin: 20px 0 10px;
}

.page-index__game-description {
    padding: 0 20px;
    color: #666;
    margin-bottom: 20px;
}

.page-index__game-card .page-index__btn {
    margin-bottom: 20px;
    background-color: #FF8C00;
    color: #FFFFFF;
    border: none;
}

.page-index__game-card .page-index__btn:hover {
    background-color: #e67e00;
}

/* Promotion Section */
.page-index__promo-section {
    padding: 80px 0;
    background-color: #1A2E5B;
    color: #FFFFFF;
}

.page-index__promo-section .page-index__section-title,
.page-index__promo-section .page-index__section-subtitle {
    color: #FFFFFF;
}

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

.page-index__promo-card {
    background-color: #2c4a8a;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    text-align: center;
    transition: transform 0.3s ease;
}

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

.page-index__promo-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.page-index__promo-title {
    font-size: 1.6em;
    color: #FF8C00;
    margin: 20px 0 10px;
}

.page-index__promo-description {
    padding: 0 20px;
    color: #e0e0e0;
    margin-bottom: 20px;
}

.page-index__promo-card .page-index__btn {
    margin-bottom: 20px;
    background-color: #FF8C00;
    color: #FFFFFF;
    border: none;
}

.page-index__promo-card .page-index__btn:hover {
    background-color: #e67e00;
}

/* Register & Download Section */
.page-index__register-download-section {
    padding: 80px 0;
    background-color: #FFFFFF;
}

.page-index__register-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.page-index__step-item {
    text-align: center;
    padding: 20px;
    border: 1px solid #eee;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.page-index__step-icon {
    width: 70px;
    height: 70px;
    margin-bottom: 20px;
}

.page-index__step-title {
    font-size: 1.4em;
    color: #1A2E5B;
    margin-bottom: 10px;
}

.page-index__step-item p {
    color: #666;
}

.page-index__app-download {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
    background-color: #f2f4f7;
    padding: 40px;
    border-radius: 10px;
}

@media (min-width: 768px) {
    .page-index__app-download {
        grid-template-columns: 2fr 1fr;
    }
}

.page-index__app-info {
    text-align: left;
}

.page-index__app-title {
    font-size: 2em;
    color: #1A2E5B;
    margin-bottom: 15px;
}

.page-index__app-description {
    font-size: 1.1em;
    color: #555;
    margin-bottom: 25px;
}

.page-index__app-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.page-index__app-qr {
    text-align: center;
}

.page-index__qr-image {
    width: 180px;
    height: 180px;
    border: 5px solid #FFFFFF;
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 10px;
}

.page-index__app-qr p {
    color: #555;
    font-size: 0.9em;
}

/* Why Choose Section */
.page-index__why-choose-section {
    padding: 80px 0;
    background-color: #f8f9fa;
}

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

.page-index__why-choose-item {
    background-color: #FFFFFF;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s ease;
}

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

.page-index__why-choose-title {
    font-size: 1.5em;
    color: #FF8C00;
    margin-bottom: 15px;
}

.page-index__why-choose-item p {
    color: #666;
}

/* Detail Pages Section */
.page-index__detail-pages-section {
    padding: 80px 0;
    background-color: #FFFFFF;
}

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

.page-index__detail-item {
    background-color: #f2f4f7;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

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

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

.page-index__detail-title a {
    color: #1A2E5B;
    text-decoration: none;
}

.page-index__detail-title a:hover {
    color: #FF8C00;
    text-decoration: underline;
}

.page-index__detail-description {
    color: #666;
    margin-bottom: 20px;
}

/* CTA Section */
.page-index__cta-section {
    background-color: #FF8C00;
    color: #FFFFFF;
    padding: 80px 0;
    text-align: center;
}

.page-index__cta-section .page-index__section-title,
.page-index__cta-section .page-index__section-subtitle {
    color: #FFFFFF;
}

.page-index__cta-section .page-index__btn {
    background-color: #1A2E5B;
    border-color: #1A2E5B;
}

.page-index__cta-section .page-index__btn:hover {
    background-color: #2c4a8a;
    border-color: #2c4a8a;
}

/* Floating Ad Menu */
.page-index__floating-ad-menu {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 1000;
}

.page-index__floating-ad-toggle {
    background-color: #FF8C00;
    color: #FFFFFF;
    border: none;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    font-size: 2em;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    transition: background-color 0.3s ease;
}

.page-index__floating-ad-toggle:hover {
    background-color: #e67e00;
}

.page-index__floating-ad-content {
    display: none;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 15px;
    background-color: rgba(26, 46, 91, 0.95); /* #1A2E5B with transparency */
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-index__floating-ad-content.page-index__active {
    display: flex;
}

.page-index__floating-ad-item {
    background-color: #FF8C00;
    color: #FFFFFF;
    padding: 10px 15px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    text-align: center;
    transition: background-color 0.3s ease;
    white-space: nowrap;
}

.page-index__floating-ad-item:hover {
    background-color: #e67e00;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-index__hero-title {
        font-size: 3em;
    }
    .page-index__hero-description {
        font-size: 1.2em;
    }
    .page-index__section-title {
        font-size: 2em;
    }
    .page-index__section-subtitle {
        font-size: 1.1em;
    }
}

@media (max-width: 768px) {
    .page-index__hero-title {
        font-size: 2.5em;
    }
    .page-index__hero-description {
        font-size: 1.1em;
    }
    .page-index__hero-buttons {
        flex-direction: column;
        gap: 10px;
    }
    .page-index__btn--secondary {
        margin-left: 0;
    }
    .page-index__about-grid,
    .page-index__advantages-grid,
    .page-index__games-grid,
    .page-index__promo-grid,
    .page-index__register-steps,
    .page-index__why-choose-grid,
    .page-index__detail-list {
        grid-template-columns: 1fr;
    }
    .page-index__app-download {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .page-index__app-info {
        text-align: center;
    }
    .page-index__app-buttons {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .page-index__hero-title {
        font-size: 2em;
    }
    .page-index__hero-description {
        font-size: 1em;
    }
    .page-index__section-title {
        font-size: 1.8em;
    }
    .page-index__section-subtitle {
        font-size: 1em;
    }
    .page-index__btn {
        padding: 10px 20px;
        font-size: 0.9em;
    }
    .page-index__floating-ad-toggle {
        width: 50px;
        height: 50px;
        font-size: 1.8em;
    }
    .page-index__floating-ad-content {
        padding: 10px;
        gap: 8px;
    }
    .page-index__floating-ad-item {
        padding: 8px 12px;
        font-size: 0.9em;
    }
}