:root {
    --bg-primary: #07090e;
    --bg-secondary: #0d1117;
    --bg-card: rgba(15, 23, 42, 0.75);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(99, 102, 241, 0.5);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-purple: #6366f1;
    --accent-purple-hover: #4f46e5;
    --accent-cyan: #06b6d4;
    --accent-green: #10b981;
    --accent-red: #ef4444;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', SFMono-Regular, Consolas, monospace;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

/* Header */
header {
    background: rgba(7, 9, 14, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--text-primary);
}

.brand-icon {
    width: 34px;
    height: 34px;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.4);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.15s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-purple-hover));
    color: white !important;
    padding: 0.5rem 1.125rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 2px 10px rgba(99, 102, 241, 0.35);
    transition: all 0.2s ease;
}

.btn-primary:hover {
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.6);
    transform: translateY(-1px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    padding: 0.5rem 1.125rem;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.8125rem;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem;
    flex: 1;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 3rem 0 3.5rem;
    max-width: 860px;
    margin: 0 auto;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.875rem;
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.35);
    border-radius: 9999px;
    color: #a5b4fc;
    font-size: 0.8125rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.badge-dot {
    width: 7px;
    height: 7px;
    background-color: var(--accent-green);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--accent-green);
}

.hero h1 {
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.25rem;
    letter-spacing: -0.025em;
    background: linear-gradient(135deg, #ffffff 40%, #c7d2fe);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
    margin-bottom: 3.5rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    backdrop-filter: blur(8px);
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-hover);
}

.stat-label {
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 1.875rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.stat-sub {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

/* Game Node Cards */
.section-title {
    font-size: 1.625rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: 1.5rem;
}

.nodes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3.5rem;
}

.node-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    backdrop-filter: blur(8px);
    transition: all 0.2s ease;
}

.node-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

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

.node-title {
    font-size: 1.125rem;
    font-weight: 700;
}

.node-ping {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--accent-green);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.node-specs {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin-bottom: 1.25rem;
}

/* Speedtest Card */
.speedtest-box {
    background: linear-gradient(135deg, rgba(30, 27, 75, 0.6), rgba(15, 23, 42, 0.8));
    border: 1px solid var(--border-hover);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 3.5rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
}

.speedtest-content h3 {
    font-size: 1.375rem;
    margin-bottom: 0.5rem;
}

.speedtest-content p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3.5rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.75rem;
    backdrop-filter: blur(8px);
}

.feature-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(99, 102, 241, 0.12);
    color: #a5b4fc;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.feature-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.625rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
}

/* Code box */
.code-box {
    background: #04060a;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem 1.25rem;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: #e2e8f0;
    overflow-x: auto;
    margin: 1rem 0;
}

/* Tables */
.table-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow-x: auto;
    margin-bottom: 3rem;
}

.custom-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.875rem;
}

.custom-table th {
    padding: 1rem 1.25rem;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.custom-table td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.custom-table tr:last-child td {
    border-bottom: none;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--accent-green);
    font-weight: 500;
}

.status-badge::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-green);
}

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
    background: #04060a;
    padding: 2.5rem 1.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a:hover {
    color: var(--text-primary);
}

/* Forms */
.form-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2.5rem;
    max-width: 440px;
    margin: 3rem auto;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: #0b0f19;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.875rem;
    outline: none;
    transition: border-color 0.2s ease;
}

.form-input:focus {
    border-color: var(--accent-purple);
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    .header-container {
        flex-direction: column;
        gap: 1rem;
    }
}