/* Darknees Store Modern UI Redesign */
:root {
    /* Colors */
    --bg-dark: #050508;
    --bg-dark-secondary: #0a0a0f;
    --accent-primary: #3b82f6; /* Blue 500 */
    --accent-secondary: #8b5cf6; /* Violet 500 */
    --accent-tertiary: #06b6d4; /* Cyan 500 */
    --accent-danger: #ef4444; /* Red 500 */
    --accent-success: #10b981; /* Emerald 500 */
    
    /* Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Glassmorphism & Cards */
    /* Alpha entre 0.7 y 0.9 para elementos interactivos/fondos principales */
    --card-bg: rgba(15, 23, 42, 0.75); 
    --card-bg-hover: rgba(30, 41, 59, 0.85);
    --card-border: rgba(255, 255, 255, 0.08);
    --card-border-hover: rgba(255, 255, 255, 0.15);
    --glass-blur: blur(20px); /* Desenfoque gaussiano más fuerte */
    
    /* Spacing & Layout */
    /* Bordes redondeados consistentes (6-8px para elementos pequeños, más para contenedores) */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 24px;
    
    /* Espaciado generoso */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 64px;
    
    /* Effects */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.2), 0 2px 4px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 25px rgba(59, 130, 246, 0.4);
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Oxanium', 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-dark);
    /* Gradientes sutiles para profundidad */
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(59, 130, 246, 0.05), transparent 40%),
        radial-gradient(circle at 85% 30%, rgba(139, 92, 246, 0.05), transparent 40%),
        linear-gradient(to bottom, #050508, #0f172a);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* --- Navigation --- */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg) 0;
    margin-bottom: var(--spacing-xl);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #fff 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-brand i {
    color: var(--accent-primary);
    filter: drop-shadow(0 0 10px rgba(59, 130, 246, 0.5));
}

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

.server-ip {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--card-border);
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-family: monospace;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.server-ip:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.online-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--accent-success);
    background: rgba(16, 185, 129, 0.1);
    padding: 6px 12px;
    border-radius: 20px;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.online-indicator i {
    font-size: 0.6rem;
    animation: pulse 2s infinite;
}

/* --- Hero Section --- */
.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    padding: var(--spacing-xl) 0;
    position: relative;
}

.hero-content {
    z-index: 1;
}

.hero-title {
    font-size: 4.5rem;
    line-height: 1;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.03em;
}

.title-main {
    display: block;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.title-sub {
    display: block;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-primary);
    margin-top: var(--spacing-xs);
    letter-spacing: 0.2em;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin-bottom: var(--spacing-lg);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-lg);
}

.stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--card-bg);
    padding: 15px 25px;
    border-radius: var(--radius-md);
    border: 1px solid var(--card-border);
    backdrop-filter: var(--glass-blur);
}

.stat i {
    font-size: 1.5rem;
    color: var(--accent-tertiary);
}

.stat-number {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.1);
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.modes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: var(--spacing-lg);
}

.mode-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    position: relative;
    backdrop-filter: var(--glass-blur);
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
    height: 100%;
    will-change: transform; /* GPU Optimization */
}

.mode-card:hover {
    transform: translateY(-8px) translateZ(0); /* GPU Trigger */
    background: var(--card-bg-hover);
    border-color: var(--card-border-hover);
    box-shadow: var(--shadow-lg);
}

.mode-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    padding: 1px;
    background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.mode-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.mode-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(139, 92, 246, 0.2));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: inset 0 0 20px rgba(59, 130, 246, 0.1);
}

.mode-badge {
    padding: 6px 12px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.mode-badge.active {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-success);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.mode-badge.soon {
    background: rgba(234, 179, 8, 0.15);
    color: #eab308;
    border: 1px solid rgba(234, 179, 8, 0.3);
}

.mode-content h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.mode-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
}

.mode-features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
    flex-grow: 1;
}

.mode-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.mode-features li i {
    color: var(--accent-success);
    font-size: 0.8rem;
    background: rgba(16, 185, 129, 0.1);
    padding: 4px;
    border-radius: 50%;
}

.mode-select-btn {
    width: 100%;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.9), rgba(139, 92, 246, 0.9));
    color: white;
    border: none;
    padding: 16px;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(4px);
    will-change: transform;
}

.mode-select-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(255,255,255,0.2), transparent);
    opacity: 0;
    transition: opacity 0.2s;
}

.mode-select-btn:hover {
    transform: translateY(-2px) translateZ(0);
    box-shadow: var(--shadow-glow);
}

.mode-select-btn:hover::after {
    opacity: 1;
}

/* --- Packages Grid (Store) --- */
.packages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.package-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    backdrop-filter: var(--glass-blur);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    will-change: transform;
}

.package-card:hover {
    transform: translateY(-8px) translateZ(0);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-lg);
}

.package-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.package-price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(135deg, #fff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.2));
}

.package-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.package-description {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.package-benefits {
    flex-grow: 1;
    margin-bottom: var(--spacing-lg);
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.benefit-item i {
    color: var(--accent-success);
    font-size: 0.8rem;
}

.buy-button {
    width: 100%;
    background: rgba(255, 255, 255, 0.08); /* Aumentado alpha */
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--text-primary);
    padding: 14px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    will-change: transform, background-color;
}

.buy-button:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px) translateZ(0);
}

/* --- Footer --- */
.main-footer {
    margin-top: 100px;
    border-top: 1px solid var(--card-border);
    background: linear-gradient(to bottom, var(--bg-dark), #000);
    padding: 80px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-normal);
    border: 1px solid transparent;
}

.social-links a:hover {
    background: var(--accent-primary);
    color: white;
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.footer-section h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-links a:hover {
    color: var(--accent-primary);
    transform: translateX(5px);
}

.server-ip-footer {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-sm);
    padding: 6px;
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.server-ip-footer input {
    background: transparent;
    border: none;
    color: var(--text-primary);
    padding: 8px 12px;
    width: 100%;
    font-family: monospace;
    font-size: 0.9rem;
    outline: none;
}

.copy-ip-footer {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition-fast);
}

.copy-ip-footer:hover {
    background: var(--accent-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--card-border);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 3rem;
    }
}

/* --- Animations --- */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* Modal Styles Redefined */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 50;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    align-items: center;
    justify-content: center;
}

.modal-container {
    background: #0f172a;
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 480px;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    animation: modalSlideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalSlideUp {
    from { opacity: 0; transform: translateY(20px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--card-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
}

.close-modal {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 4px;
    border-radius: 4px;
    transition: var(--transition-fast);
}

.close-modal:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.modal-body {
    padding: 24px;
}

.purchase-details {
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin: 20px 0;
    border: 1px solid var(--card-border);
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: var(--text-primary);
}

.discord-instruction {
    background: rgba(88, 101, 242, 0.08);
    border: 1px solid rgba(88, 101, 242, 0.2);
    border-radius: var(--radius-sm);
    padding: 20px;
}

.discord-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: #5865F2;
    color: white;
    padding: 12px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    margin: 15px 0;
    transition: var(--transition-fast);
}

.discord-link:hover {
    background: #4752c4;
}

.back-button {
    background: transparent;
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: inherit;
    font-weight: 600;
    transition: var(--transition-fast);
}

.back-button:hover {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

/* --- Survival Specifics --- */
.survival-header {
    text-align: center;
    margin: 60px 0;
    position: relative;
}

.survival-title {
    font-family: 'Creepster', cursive;
    font-size: 4rem;
    color: var(--accent-danger);
    text-shadow: 0 0 20px rgba(239, 68, 68, 0.5);
    margin-bottom: 10px;
}

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

.blood-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(239, 68, 68, 0.1) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

.survival-back-button {
    display: inline-flex;
    margin-top: 30px;
}