/* CSS Variables for Theme Colors */
:root {
    --primary-color: #9b908f;
    --secondary-color: #474342;
    --accent-color: #babe98;
    --light-color: #f6e8e1;
    --white: #ffffff;
    --black: #000000;
    --text-dark: #2c2c2c;
    --text-light: #666666;
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.15);
    --shadow-dark: rgba(0, 0, 0, 0.3);
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    --border-radius: 8px;
    --border-radius-large: 16px;
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-medium);
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 15px var(--shadow-light);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--shadow-medium);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--white);
}

/* Section Titles */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--secondary-color);
    position: relative;
}

.section-title i {
    margin-right: 0.5rem;
    color: var(--accent-color);
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background: var(--gradient-primary);
    margin: 1rem auto;
    border-radius: 2px;
}

/* Header Styles */
#header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px var(--shadow-light);
    z-index: 1000;
    transition: var(--transition-medium);
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.nav-logo img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition-fast);
}

.nav-menu a:hover {
    background: var(--light-color);
    color: var(--primary-color);
}

.nav-menu i {
    font-size: 0.9rem;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--secondary-color);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--light-color) 0%, rgba(186, 190, 152, 0.1) 100%);
    min-height: 70vh;
    display: flex;
    align-items: center;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-content h1 {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.hero-content h2 {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 400;
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.game-info {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1rem;
    color: var(--text-dark);
}

.info-item i {
    color: var(--accent-color);
    width: 20px;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    border-radius: var(--border-radius-large);
    box-shadow: 0 20px 40px var(--shadow-medium);
    transition: var(--transition-medium);
}

.hero-image:hover img {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px var(--shadow-dark);
}

/* News Section */
.news {
    padding: 80px 0;
    background: var(--white);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.news-item {
    background: var(--white);
    border-radius: var(--border-radius-large);
    padding: 2rem;
    box-shadow: 0 10px 30px var(--shadow-light);
    transition: var(--transition-medium);
    border: 1px solid rgba(155, 144, 143, 0.1);
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px var(--shadow-medium);
}

.news-date {
    color: var(--accent-color);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.news-item h3 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.news-item p {
    margin-bottom: 1.5rem;
}

.news-link {
    color: var(--primary-color);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-fast);
}

.news-link:hover {
    color: var(--secondary-color);
}

/* Gallery Section */
.gallery {
    padding: 80px 0;
    background: var(--light-color);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.gallery-item {
    position: relative;
    border-radius: var(--border-radius-large);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-medium);
}

.gallery-item:hover {
    transform: scale(1.03);
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 0;
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-medium);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay i {
    color: var(--white);
    font-size: 2rem;
}

/* Reviews Section */
.reviews {
    padding: 80px 0;
    background: var(--white);
}

.reviews-stats {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 3rem;
    align-items: center;
    margin-bottom: 3rem;
    text-align: center;
}

.rating-summary {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.rating-score {
    font-size: 4rem;
    font-weight: 700;
    color: var(--accent-color);
}

.rating-stars {
    display: flex;
    gap: 0.25rem;
    font-size: 1.5rem;
    color: #ffc107;
}

.rating-count {
    color: var(--text-light);
    font-size: 0.9rem;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.tag {
    background: var(--light-color);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
}

.reviews-carousel {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.review-item {
    background: var(--light-color);
    border-radius: var(--border-radius-large);
    padding: 2.5rem;
    text-align: center;
    display: none;
}

.review-item.active {
    display: block;
}

.review-content p {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--text-dark);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.reviewer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

.reviewer-name {
    font-weight: 600;
    color: var(--secondary-color);
}

.reviewer-rating {
    color: #ffc107;
}

/* Versions Section */
.versions {
    padding: 80px 0;
    background: var(--light-color);
}

.version-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.version-timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--accent-color);
}

.version-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 80px;
}

.version-marker {
    position: absolute;
    left: 20px;
    top: 20px;
    width: 20px;
    height: 20px;
    background: var(--accent-color);
    border-radius: 50%;
    border: 4px solid var(--white);
    box-shadow: 0 2px 10px var(--shadow-light);
}

.version-content {
    background: var(--white);
    border-radius: var(--border-radius-large);
    padding: 2rem;
    box-shadow: 0 10px 30px var(--shadow-light);
}

.version-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.version-header h3 {
    color: var(--secondary-color);
    margin: 0;
}

.version-date {
    color: var(--accent-color);
    font-weight: 500;
}

.version-details h4 {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    margin-top: 1.5rem;
}

.version-details ul {
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.version-details li {
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.version-info {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    padding-top: 1rem;
    border-top: 1px solid var(--light-color);
}

.version-info span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    font-size: 0.9rem;
}

.download-btn {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--shadow-medium);
}

/* FAQ Section */
.faq {
    padding: 80px 0;
    background: var(--white);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid rgba(155, 144, 143, 0.1);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    overflow: hidden;
    transition: var(--transition-fast);
}

.faq-item:hover {
    box-shadow: 0 5px 15px var(--shadow-light);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    background: var(--light-color);
    cursor: pointer;
    transition: var(--transition-fast);
}

.faq-question:hover {
    background: rgba(186, 190, 152, 0.2);
}

.faq-question h3 {
    margin: 0;
    color: var(--secondary-color);
    font-size: 1.1rem;
}

.faq-question i {
    color: var(--primary-color);
    transition: var(--transition-fast);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: all var(--transition-medium);
    background: var(--white);
}

.faq-item.active .faq-answer {
    padding: 1.5rem;
    max-height: 200px;
}

.faq-answer p {
    margin: 0;
    color: var(--text-light);
    line-height: 1.6;
}

/* Footer */
.footer {
    background: var(--secondary-color);
    color: var(--white);
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--accent-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-info p {
    margin: 0;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.footer-info a {
    color: var(--accent-color);
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-medium);
    z-index: 1000;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px var(--shadow-medium);
}

/* Image Modal */
.image-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

.image-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: var(--border-radius);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: var(--white);
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: var(--accent-color);
}

.modal-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    width: 100%;
    padding: 0 20px;
    pointer-events: none;
}

.modal-prev,
.modal-next {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition-fast);
    pointer-events: all;
}

.modal-prev:hover,
.modal-next:hover {
    background: var(--accent-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    /* Header */
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: var(--transition-medium);
        box-shadow: 0 10px 27px var(--shadow-light);
        padding: 2rem 0;
        gap: 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        margin: 0.5rem 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .hamburger.active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    /* Hero Section */
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .cta-buttons {
        justify-content: center;
    }

    /* Section Titles */
    .section-title {
        font-size: 2rem;
    }

    /* Reviews Stats */
    .reviews-stats {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    /* Version Header */
    .version-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .version-item {
        padding-left: 60px;
    }

    .version-timeline::before {
        left: 20px;
    }

    .version-marker {
        left: 10px;
    }

    /* Footer */
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    /* Back to Top */
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }

    /* Modal Navigation */
    .modal-nav {
        padding: 0 10px;
    }

    .modal-prev,
    .modal-next {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content h2 {
        font-size: 1.25rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .gallery-item img {
        height: 200px;
    }

    .news-item,
    .version-content,
    .review-item {
        padding: 1.5rem;
    }

    .faq-question,
    .faq-answer {
        padding: 1rem;
    }

    .modal-close {
        top: 10px;
        right: 15px;
        font-size: 30px;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-slow);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Focus States for Accessibility */
button:focus,
a:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .navbar,
    .back-to-top,
    .modal-nav {
        display: none;
    }
    
    .hero {
        padding: 20px 0;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
}