/* style/game-introduction.css */

/* Biến CSS */
:root {
    --page-game-introduction-primary-color: #0A2E59;
    --page-game-introduction-secondary-color: #FFA500;
    --page-game-introduction-text-light: #F8F8F8;
    --page-game-introduction-text-dark: #333333;
    --page-game-introduction-background-light: #FFFFFF;
    --page-game-introduction-background-dark: #0A2E59;
    --page-game-introduction-border-color: #e0e0e0;
    --page-game-introduction-shadow-light: rgba(0, 0, 0, 0.1);
}

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

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

.page-game-introduction__hero {
    background: linear-gradient(135deg, var(--page-game-introduction-background-dark), #1a4d8c);
    color: var(--page-game-introduction-text-light);
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-game-introduction__hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('[GALLERY:bg:abstract_pattern,geometric,dark_blue_orange]') no-repeat center center/cover;
    opacity: 0.1;
    z-index: 0;
}

.page-game-introduction__hero > .page-game-introduction__container {
    position: relative;
    z-index: 1;
}

.page-game-introduction__hero-title {
    font-size: 3.2em;
    margin-bottom: 20px;
    font-weight: bold;
    line-height: 1.2;
    color: var(--page-game-introduction-text-light);
}

.page-game-introduction__hero-subtitle {
    font-size: 1.25em;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: var(--page-game-introduction-text-light);
}

.page-game-introduction__hero-subtitle a {
    color: var(--page-game-introduction-secondary-color);
    text-decoration: underline;
}

.page-game-introduction__section {
    padding: 60px 0;
    background-color: var(--page-game-introduction-background-light);
}

.page-game-introduction__section:nth-of-type(even) {
    background-color: #f5f8fa; /* Màu nền nhẹ cho các section xen kẽ */
}

.page-game-introduction__section-title {
    font-size: 2.5em;
    color: var(--page-game-introduction-primary-color);
    text-align: center;
    margin-bottom: 30px;
    position: relative;
    padding-bottom: 15px;
}

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

.page-game-introduction__section-description {
    font-size: 1.1em;
    text-align: center;
    max-width: 900px;
    margin: 0 auto 50px auto;
    color: #555;
}

.page-game-introduction__section-description a {
    color: var(--page-game-introduction-secondary-color);
    text-decoration: underline;
}

.page-game-introduction__btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 5px;
    font-weight: bold;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    text-align: center;
}

.page-game-introduction__btn--primary {
    background-color: var(--page-game-introduction-secondary-color);
    color: var(--page-game-introduction-background-dark);
    border: 2px solid var(--page-game-introduction-secondary-color);
}

.page-game-introduction__btn--primary:hover {
    background-color: #e69500;
    border-color: #e69500;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px var(--page-game-introduction-shadow-light);
}

.page-game-introduction__btn--secondary {
    background-color: var(--page-game-introduction-primary-color);
    color: var(--page-game-introduction-text-light);
    border: 2px solid var(--page-game-introduction-primary-color);
}

.page-game-introduction__btn--secondary:hover {
    background-color: #08244a;
    border-color: #08244a;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px var(--page-game-introduction-shadow-light);
}

.page-game-introduction__btn--tertiary {
    background-color: transparent;
    color: var(--page-game-introduction-primary-color);
    border: 2px solid var(--page-game-introduction-primary-color);
}

.page-game-introduction__btn--tertiary:hover {
    background-color: var(--page-game-introduction-primary-color);
    color: var(--page-game-introduction-text-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px var(--page-game-introduction-shadow-light);
}

.page-game-introduction__btn--small {
    padding: 8px 18px;
    font-size: 0.9em;
}

.page-game-introduction__btn--large {
    padding: 15px 40px;
    font-size: 1.2em;
}

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

.page-game-introduction__feature-item {
    background-color: var(--page-game-introduction-background-light);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px var(--page-game-introduction-shadow-light);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-game-introduction__feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.page-game-introduction__feature-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
    filter: drop-shadow(0 2px 5px rgba(0,0,0,0.2));
}

.page-game-introduction__feature-item h3 {
    font-size: 1.5em;
    color: var(--page-game-introduction-primary-color);
    margin-bottom: 15px;
}

.page-game-introduction__feature-item p {
    font-size: 1em;
    color: #666;
}

.page-game-introduction__feature-item p a {
    color: var(--page-game-introduction-secondary-color);
    text-decoration: underline;
}

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

.page-game-introduction__game-card {
    background-color: var(--page-game-introduction-background-light);
    border-radius: 10px;
    box-shadow: 0 5px 15px var(--page-game-introduction-shadow-light);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.page-game-introduction__game-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

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

.page-game-introduction__game-content {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-game-introduction__game-title {
    font-size: 1.6em;
    color: var(--page-game-introduction-primary-color);
    margin-bottom: 15px;
    line-height: 1.3;
}

.page-game-introduction__game-title a {
    color: var(--page-game-introduction-primary-color);
    text-decoration: none;
}

.page-game-introduction__game-title a:hover {
    color: var(--page-game-introduction-secondary-color);
}

.page-game-introduction__game-description {
    font-size: 0.95em;
    color: #777;
    margin-bottom: 20px;
    flex-grow: 1;
}

.page-game-introduction__game-description a {
    color: var(--page-game-introduction-secondary-color);
    text-decoration: underline;
}

.page-game-introduction__steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-game-introduction__step-item {
    background-color: var(--page-game-introduction-background-light);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px var(--page-game-introduction-shadow-light);
    position: relative;
    padding-top: 70px; /* Space for number */
}

.page-game-introduction__step-number {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    background-color: var(--page-game-introduction-secondary-color);
    color: var(--page-game-introduction-background-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8em;
    font-weight: bold;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.2);
}

.page-game-introduction__step-item h3 {
    font-size: 1.4em;
    color: var(--page-game-introduction-primary-color);
    margin-bottom: 15px;
}

.page-game-introduction__step-item h3 a {
    color: var(--page-game-introduction-primary-color);
    text-decoration: none;
}

.page-game-introduction__step-item h3 a:hover {
    color: var(--page-game-introduction-secondary-color);
}

.page-game-introduction__step-item p {
    font-size: 0.95em;
    color: #666;
    margin-bottom: 20px;
}

.page-game-introduction__step-item p a {
    color: var(--page-game-introduction-secondary-color);
    text-decoration: underline;
}

.page-game-introduction__detail-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 40px;
}

.page-game-introduction__detail-item {
    background-color: var(--page-game-introduction-background-light);
    border-left: 5px solid var(--page-game-introduction-secondary-color);
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 3px 10px var(--page-game-introduction-shadow-light);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-game-introduction__detail-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.12);
}

.page-game-introduction__detail-item h3 {
    font-size: 1.6em;
    color: var(--page-game-introduction-primary-color);
    margin-bottom: 15px;
}

.page-game-introduction__detail-item h3 a {
    color: var(--page-game-introduction-primary-color);
    text-decoration: none;
}

.page-game-introduction__detail-item h3 a:hover {
    color: var(--page-game-introduction-secondary-color);
}

.page-game-introduction__detail-item p {
    font-size: 1em;
    color: #666;
    margin-bottom: 20px;
}

.page-game-introduction__detail-item p a {
    color: var(--page-game-introduction-secondary-color);
    text-decoration: underline;
}

.page-game-introduction__responsibility-list {
    list-style: none;
    padding: 0;
    max-width: 800px;
    margin: 30px auto 0 auto;
}

.page-game-introduction__responsibility-list li {
    background-color: #eaf3f8;
    margin-bottom: 15px;
    padding: 15px 25px;
    border-radius: 8px;
    font-size: 1.05em;
    color: var(--page-game-introduction-primary-color);
    display: flex;
    align-items: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.page-game-introduction__responsibility-list li .list-icon {
    color: #28a745;
    font-size: 1.2em;
    margin-right: 15px;
    font-weight: bold;
}

.page-game-introduction__cta-banner {
    background: linear-gradient(135deg, var(--page-game-introduction-secondary-color), #ffcc66);
    color: var(--page-game-introduction-background-dark);
    padding: 80px 0;
    text-align: center;
}

.page-game-introduction__cta-title {
    font-size: 2.8em;
    margin-bottom: 20px;
    font-weight: bold;
    line-height: 1.2;
    color: var(--page-game-introduction-background-dark);
}

.page-game-introduction__cta-description {
    font-size: 1.2em;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: #333;
}

.page-game-introduction__cta-description a,
.page-game-introduction__cta-small-text a {
    color: var(--page-game-introduction-primary-color);
    text-decoration: underline;
}

.page-game-introduction__cta-small-text {
    margin-top: 20px;
    font-size: 0.95em;
    color: #555;
}

.text-highlight {
    color: var(--page-game-introduction-secondary-color);
}

/* Responsive Design */
@media (max-width: 992px) {
    .page-game-introduction__hero-title {
        font-size: 2.5em;
    }
    .page-game-introduction__hero-subtitle {
        font-size: 1.1em;
    }
    .page-game-introduction__section-title {
        font-size: 2em;
    }
    .page-game-introduction__game-card {
        flex-direction: column;
    }
    .page-game-introduction__game-image {
        height: 180px;
    }
}

@media (max-width: 768px) {
    .page-game-introduction__hero {
        padding: 60px 0;
    }
    .page-game-introduction__hero-title {
        font-size: 2em;
    }
    .page-game-introduction__hero-subtitle {
        font-size: 1em;
    }
    .page-game-introduction__section {
        padding: 40px 0;
    }
    .page-game-introduction__section-title {
        font-size: 1.8em;
    }
    .page-game-introduction__section-description {
        font-size: 0.95em;
        margin-bottom: 30px;
    }
    .page-game-introduction__features-grid,
    .page-game-introduction__game-grid,
    .page-game-introduction__steps-grid {
        grid-template-columns: 1fr;
    }
    .page-game-introduction__game-image {
        height: 220px;
    }
    .page-game-introduction__game-title {
        font-size: 1.4em;
    }
    .page-game-introduction__step-item {
        padding-top: 60px;
    }
    .page-game-introduction__step-number {
        width: 45px;
        height: 45px;
        font-size: 1.6em;
    }
    .page-game-introduction__detail-item h3 {
        font-size: 1.4em;
    }
    .page-game-introduction__cta-title {
        font-size: 2.2em;
    }
    .page-game-introduction__cta-description {
        font-size: 1.1em;
    }
    .page-game-introduction__btn--large {
        padding: 12px 30px;
        font-size: 1.1em;
    }
    .page-game-introduction__responsibility-list li {
        font-size: 0.95em;
        padding: 12px 20px;
    }
}

@media (max-width: 480px) {
    .page-game-introduction__hero-title {
        font-size: 1.8em;
    }
    .page-game-introduction__hero-subtitle {
        font-size: 0.9em;
    }
    .page-game-introduction__section-title {
        font-size: 1.6em;
    }
    .page-game-introduction__btn {
        padding: 10px 20px;
        font-size: 0.9em;
    }
    .page-game-introduction__game-image {
        height: 160px;
    }
    .page-game-introduction__game-title {
        font-size: 1.2em;
    }
    .page-game-introduction__cta-title {
        font-size: 1.8em;
    }
    .page-game-introduction__cta-description {
        font-size: 1em;
    }
}