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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* Header Styles */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo {
    width: 40px;
    height: 40px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
}

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

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #ffd700;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: #ffd700;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: white;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

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

.hero-title {
    font-size: 4rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 2rem;
    font-weight: 300;
    margin-bottom: 1rem;
    color: #ffd700;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.6);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #667eea;
}

.hero-info {
    display: flex;
    gap: 2rem;
}

.info-item {
    text-align: center;
}

.info-label {
    display: block;
    font-size: 0.9rem;
    opacity: 0.8;
    margin-bottom: 0.5rem;
}

.info-value {
    display: block;
    font-size: 1.1rem;
    font-weight: bold;
    color: #ffd700;
}

.character-img {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    transition: transform 0.3s ease;
}

.character-img:hover {
    transform: scale(1.05);
}

/* Section Styles */
.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: #333;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 4px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

/* Overview Section */
.overview {
    padding: 80px 0;
    background: white;
}

.overview-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.overview-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: #666;
    line-height: 1.8;
}

.overview-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.feature-item {
    text-align: center;
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 15px;
    transition: transform 0.3s ease;
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-item h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.feature-item p {
    color: #666;
    font-size: 0.9rem;
}

/* Guide Section */
.guide {
    padding: 80px 0;
    background: #f8f9fa;
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.guide-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.guide-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.guide-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.guide-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.guide-card p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.guide-list {
    list-style: none;
}

.guide-list li {
    padding: 0.5rem 0;
    color: #666;
    position: relative;
    padding-left: 1.5rem;
}

.guide-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

/* Download Section */
.download {
    padding: 80px 0;
    background: white;
}

.download-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.download-info h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #333;
}

.download-details {
    margin-bottom: 2rem;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    padding: 1rem 0;
    border-bottom: 1px solid #eee;
}

.detail-label {
    font-weight: 600;
    color: #666;
}

.detail-value {
    color: #333;
    font-weight: 500;
}

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

.btn-download {
    background: linear-gradient(45deg, #28a745, #20c997);
    color: white;
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.4);
}

.btn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(40, 167, 69, 0.6);
}

.btn-outline {
    background: transparent;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-outline:hover {
    background: #667eea;
    color: white;
}

.btn-icon {
    font-size: 1.2rem;
}

.preview-img {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

/* Screenshots Section */
.screenshots {
    padding: 80px 0;
    background: white;
}

.screenshot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.screenshot-item {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.screenshot-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.screenshot-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.screenshot-item:hover .screenshot-img {
    transform: scale(1.1);
}

.screenshot-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.screenshot-item:hover::after {
    opacity: 1;
}

/* Tips Section */
.tips {
    padding: 80px 0;
    background: #f8f9fa;
}

.tips-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.tips-category h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: #333;
}

.password-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.password-item {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.password-name {
    display: block;
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0.5rem;
}

.password-code {
    display: block;
    font-size: 1.5rem;
    font-weight: bold;
    color: #667eea;
    font-family: 'Courier New', monospace;
}

.tips-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.tip-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.tip-number {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.tip-item p {
    color: #666;
    line-height: 1.6;
}

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

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

.review-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease;
}

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

.review-rating {
    font-size: 1.5rem;
    color: #ffd700;
    margin-bottom: 1rem;
}

.review-text {
    font-style: italic;
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.review-author {
    font-weight: 600;
    color: #333;
}

/* Footer */
.footer {
    background: #333;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #ffd700;
}

.footer-section p {
    color: #ccc;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #ffd700;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-link {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: #555;
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    text-decoration: none;
    transition: background 0.3s ease;
}

.social-link:hover {
    background: #667eea;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #555;
    color: #ccc;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: #667eea;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.05);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .hero-info {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .overview-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .overview-features {
        grid-template-columns: 1fr;
    }
    
    .guide-grid {
        grid-template-columns: 1fr;
    }
    
    .download-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .tips-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .password-grid {
        grid-template-columns: 1fr;
    }
    
    .download-buttons {
        justify-content: center;
    }
    
    .screenshot-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1rem;
    }
    
    .screenshot-img {
        height: 200px;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .guide-card,
    .review-card {
        padding: 1.5rem;
    }
    
    .feature-item {
        padding: 1.5rem;
    }
    
    .password-item {
        padding: 1rem;
    }
    
    .tip-item {
        padding: 1rem;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Smooth scrolling for anchor links */
html {
    scroll-padding-top: 80px;
}