/* Galaxy Cloud - Premium Cosmic Design System */
:root {
    --bg-deep: #050b18;
    --bg-darker: #020617;
    --primary: #6366f1;
    --primary-glow: rgba(99, 102, 241, 0.5);
    --secondary: #a855f7;
    --accent: #0ea5e9;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --glass: rgba(15, 23, 42, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --neon-blue: #00d2ff;
    --neon-purple: #9d50bb;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--bg-deep);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Background Effects */
.stars-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at 50% 50%, #0f172a 0%, #020617 100%);
    overflow: hidden;
}

.star {
    position: absolute;
    background: white;
    border-radius: 50%;
    opacity: 0.5;
    animation: twinkle var(--duration) infinite ease-in-out;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.2); }
}

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    background: rgba(2, 6, 23, 0.8);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(to right, var(--neon-blue), var(--neon-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-block;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--primary-glow);
}

.btn-outline {
    border: 1px solid var(--primary);
    color: var(--text-main);
}

.btn-outline:hover {
    background: rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    text-align: center;
    position: relative;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(to bottom, #fff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.1;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 2.5rem;
}

/* Node Status */
.nodes-section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.node-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.node-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    padding: 1.5rem;
    border-radius: 20px;
    text-align: center;
    transition: transform 0.3s;
}

.node-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.node-flag {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    display: block;
}

.node-name {
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: block;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    display: inline-block;
    margin-right: 0.5rem;
    box-shadow: 0 0 10px #10b981;
}

.latency {
    font-family: monospace;
    color: var(--neon-blue);
    font-size: 0.9rem;
}

/* Pricing Section */
.pricing-section {
    padding: 80px 0;
}

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

.pricing-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    padding: 3rem 2rem;
    border-radius: 24px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s;
}

.pricing-card.popular {
    border-color: var(--primary);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.2);
}

.pricing-card.popular::before {
    content: 'RECOMMENDED';
    position: absolute;
    top: 20px;
    right: -30px;
    background: var(--primary);
    color: white;
    padding: 5px 40px;
    font-size: 0.7rem;
    font-weight: 800;
    transform: rotate(45deg);
}

.price {
    font-size: 3rem;
    font-weight: 800;
    margin: 1.5rem 0;
}

.price span {
    font-size: 1rem;
    color: var(--text-muted);
}

.features-list {
    list-style: none;
    margin-bottom: 2.5rem;
}

.features-list li {
    margin-bottom: 1rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.features-list li::before {
    content: '✓';
    color: var(--primary);
    font-weight: bold;
}

/* Articles */
.articles-section {
    padding: 80px 0;
}

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

.article-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s;
}

.article-card:hover {
    border-color: var(--primary);
}

.article-content {
    padding: 2rem;
}

.article-content h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.article-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

/* Footer */
footer {
    padding: 80px 0 40px;
    background: var(--bg-darker);
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 40px;
}

@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .nav-links { display: none; }
}