/* Apple-style Design System */
:root {
    /* Colors - Apple Style */
    --color-primary: #0071e3;
    --color-primary-hover: #0077ed;
    --color-text: #1d1d1f;
    --color-text-secondary: #86868b;
    --color-background: #ffffff;
    --color-background-secondary: #f5f5f7;
    --color-background-dark: #000000;
    --color-border: #d2d2d7;
    --color-accent: #2997ff;
    
    /* Minecraft Colors */
    --mc-grass: #5d8c38;
    --mc-dirt: #8b6b4a;
    --mc-stone: #7d7d7d;
    --mc-sky: #87ceeb;
    --mc-bed: #b02e26;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 28px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Navigation - Light Glass Style */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    transition: var(--transition-normal);
}

.nav::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, 
        rgba(255, 255, 255, 0.78) 0%, 
        rgba(255, 255, 255, 0.62) 30%,
        rgba(255, 255, 255, 0.42) 60%,
        rgba(255, 255, 255, 0.22) 85%,
        rgba(255, 255, 255, 0.1) 100%
    );
    backdrop-filter: saturate(140%) blur(35px);
    -webkit-backdrop-filter: saturate(140%) blur(35px);
    z-index: -1;
}

.nav-container,
.nav-logo,
.nav-links a,
.nav-cta {
    color: #1d1d1f;
}

.nav-logo {
    text-shadow: none;
}

.nav-links a {
    opacity: 0.85;
}

.nav-links a:hover {
    opacity: 1;
}

.nav-cta {
    color: #2997ff;
}

.nav-container {
    max-width: 1024px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-logo-img {
    height: 32px;
    width: auto;
    border-radius: var(--radius-sm);
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-links a {
    font-size: 0.875rem;
    color: var(--color-text);
    opacity: 0.8;
    transition: var(--transition-fast);
}

.nav-links a:hover {
    opacity: 1;
}

.nav-cta {
    font-size: 0.875rem;
    color: var(--color-primary);
    font-weight: 500;
    transition: var(--transition-fast);
}

.nav-cta:hover {
    color: var(--color-primary-hover);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: calc(52px + var(--spacing-xxl)) var(--spacing-lg) var(--spacing-xxl);
    background: linear-gradient(180deg, #f5f5f7 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
    z-index: 2;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, #1d1d1f 0%, #434344 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 400;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.hero-description .highlight {
    color: var(--color-primary);
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.hero-note {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 980px;
    transition: var(--transition-fast);
    cursor: pointer;
    border: none;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

.btn-secondary:hover {
    background: rgba(0, 113, 227, 0.05);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Hero Visual - Minecraft Blocks */
.hero-visual {
    margin-top: var(--spacing-xl);
    position: relative;
}

.minecraft-scene {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-end;
    justify-content: center;
}

.block {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-sm);
    position: relative;
    animation: float 3s ease-in-out infinite;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.block-grass {
    background: linear-gradient(180deg, var(--mc-grass) 0%, var(--mc-grass) 30%, var(--mc-dirt) 30%);
    animation-delay: 0s;
}

.block-dirt {
    background: var(--mc-dirt);
    height: 70px;
    animation-delay: 0.2s;
}

.block-stone {
    background: linear-gradient(135deg, #9a9a9a 0%, var(--mc-stone) 100%);
    height: 60px;
    animation-delay: 0.4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Stats Section */
.stats {
    padding: var(--spacing-xxl) var(--spacing-lg);
    background: var(--color-background);
}

.stats-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

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

.stat-number {
    display: block;
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-top: var(--spacing-xs);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
}

/* Features Section */
.features {
    padding: var(--spacing-xxl) var(--spacing-lg);
    background: var(--color-background-secondary);
}

.features-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.feature-card {
    background: var(--color-background);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 400px;
    transition: var(--transition-normal);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.feature-large {
    grid-column: span 2;
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-xl);
}

.feature-title {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Feature Visuals */
.feature-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
}

.version-badges {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.version-badge {
    padding: 0.75rem 1.5rem;
    background: var(--color-background-secondary);
    border-radius: var(--radius-lg);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
}

.version-badge.recommended {
    background: linear-gradient(135deg, var(--color-primary) 0%, #0077ed 100%);
    color: white;
}

.version-arrow {
    font-size: 1.5rem;
    color: var(--color-text-secondary);
}

.player-icons {
    display: flex;
    gap: -10px;
}

.player-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--mc-grass) 0%, #4a7c2a 100%);
    border: 3px solid white;
    margin-left: -10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.player-icon:first-child {
    margin-left: 0;
}

.player-icon.more {
    background: var(--color-background-secondary);
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.uptime-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    background: rgba(93, 140, 56, 0.1);
    border-radius: var(--radius-lg);
}

.uptime-dot {
    width: 12px;
    height: 12px;
    background: var(--mc-grass);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Servers Section */
.servers {
    padding: var(--spacing-xxl) var(--spacing-lg);
    background: var(--color-background);
}

.servers-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.server-card {
    background: var(--color-background-secondary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition-normal);
}

.server-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.server-image {
    height: 280px;
    position: relative;
    overflow: hidden;
    background: var(--color-background-secondary);
}

/* Screenshot Slider Styles */
.screenshot-slider {
    width: 100%;
    height: 100%;
    position: relative;
}

.server-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.server-screenshot.active {
    opacity: 1;
}

.screenshot-dots {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--transition-fast);
}

.dot.active {
    background: white;
    transform: scale(1.2);
}

.dot:hover {
    background: rgba(255, 255, 255, 0.8);
}

.minecraft-landscape {
    width: 100%;
    height: 100%;
    position: relative;
}

.landscape-sky {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 60%;
    background: linear-gradient(180deg, #87ceeb 0%, #b8e6f5 100%);
}

.landscape-sky.night {
    background: linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
}

.landscape-ground {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40%;
    background: linear-gradient(180deg, var(--mc-grass) 0%, var(--mc-dirt) 20%, var(--mc-dirt) 100%);
}

.landscape-tree {
    position: absolute;
    bottom: 35%;
    left: 20%;
    width: 60px;
    height: 100px;
    background: linear-gradient(180deg, #2d5016 0%, #1a3009 100%);
    border-radius: 4px;
}

.landscape-tree::before {
    content: '';
    position: absolute;
    top: -40px;
    left: -20px;
    width: 100px;
    height: 60px;
    background: var(--mc-grass);
    border-radius: 50%;
}

.bedwars-islands {
    position: absolute;
    bottom: 20%;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-around;
    align-items: flex-end;
}

.island {
    width: 80px;
    height: 60px;
    background: linear-gradient(180deg, #e8e8e8 0%, #c0c0c0 100%);
    border-radius: 8px 8px 0 0;
    position: relative;
}

.island.center {
    width: 100px;
    height: 80px;
    background: linear-gradient(180deg, #f5deb3 0%, #d4a574 100%);
}

.island::after {
    content: '';
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 20px;
    background: var(--mc-bed);
    border-radius: 4px;
}

.server-info {
    padding: var(--spacing-lg);
}

.server-name {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.server-description {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.server-meta {
    display: flex;
    gap: var(--spacing-sm);
}

.server-tag {
    padding: 0.375rem 0.75rem;
    background: rgba(0, 113, 227, 0.1);
    color: var(--color-primary);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
}

/* Community Section */
.community {
    padding: var(--spacing-xxl) var(--spacing-lg);
    background: linear-gradient(180deg, var(--color-background-dark) 0%, #1a1a1a 100%);
    color: white;
    text-align: center;
}

.community-content {
    max-width: 600px;
    margin: 0 auto;
}

.community .section-title {
    color: white;
}

.community-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.community-qq {
    margin-bottom: var(--spacing-xl);
}

.qq-label {
    display: block;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-xs);
}

.qq-number {
    display: block;
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #fff 0%, #a0a0a0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Footer */
.footer {
    padding: var(--spacing-xxl) var(--spacing-lg) var(--spacing-lg);
    background: var(--color-background-secondary);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    max-width: 1024px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.footer-logo {
    font-size: 1.25rem;
    font-weight: 600;
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-top: var(--spacing-xs);
}

.footer-links {
    display: flex;
    gap: var(--spacing-xxl);
}

.footer-column h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.footer-column ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-column ul li a {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    transition: var(--transition-fast);
}

.footer-column ul li a:hover {
    color: var(--color-text);
}

.footer-bottom {
    max-width: 1024px;
    margin: 0 auto;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-large {
        grid-column: span 1;
        flex-direction: column;
    }
    
    .servers-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-container {
        flex-direction: column;
        gap: var(--spacing-xl);
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
}

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

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-background-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-secondary);
}