:root {
    --bg-color: #0a0a0a;
    --card-bg: rgba(255, 255, 255, 0.05);
    --primary-color: #00d1ff;
    --secondary-color: #7000ff;
    --text-color: #e0e0e0;
    --text-dim: #a0a0a0;
    --accent-gradient: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --glass-border: rgba(255, 255, 255, 0.1);
    --container-width: 1200px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    color: #white;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dim);
    transition: color 0.3s;
    font-size: 0.9rem;
}

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

/* Buttons */
.btn {
    padding: 10px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    border: none;
    box-shadow: 0 4px 15px rgba(0, 209, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 209, 255, 0.4);
}

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

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary-color);
}

.btn-large {
    padding: 15px 35px;
    font-size: 1.1rem;
}

.full-width {
    width: 100%;
    text-align: center;
    margin-top: 20px;
}

/* Hero Section */
.hero {
    padding: 180px 0 100px;
    position: relative;
}

.hero .container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 50px;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-dim);
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-btns {
    display: flex;
    gap: 20px;
}

.hero-visual {
    position: relative;
    height: 400px;
}

.visual-orb {
    position: absolute;
    width: 300px;
    height: 300px;
    background: var(--accent-gradient);
    filter: blur(80px);
    border-radius: 50%;
    opacity: 0.4;
    animation: pulse 6s infinite alternate;
}

@keyframes pulse {
    from { transform: scale(1); opacity: 0.3; }
    to { transform: scale(1.2); opacity: 0.5; }
}

/* Sections */
section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
}

/* Nodes Section */
.nodes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.node-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    padding: 20px;
    border-radius: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: blur(5px);
    transition: transform 0.3s;
}

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

.node-info {
    display: flex;
    flex-direction: column;
}

.flag { font-size: 1.5rem; margin-bottom: 5px; }
.name { font-size: 0.8rem; color: var(--text-dim); }

.node-status {
    text-align: right;
}

.latency {
    display: block;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-color);
}

.indicator {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: #00ff88;
    border-radius: 50%;
    margin-left: 5px;
    box-shadow: 0 0 10px #00ff88;
}

/* Pricing Section */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.pricing-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 40px;
    position: relative;
    transition: all 0.3s;
}

.pricing-card:hover {
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.07);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    background: rgba(0, 209, 255, 0.05);
    transform: scale(1.05);
    z-index: 10;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.tagline {
    color: var(--text-dim);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.data {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 30px;
}

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

.pricing-features {
    list-style: none;
    margin-bottom: 30px;
}

.pricing-features li {
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--text-dim);
}

.pricing-features li::before {
    content: "✓";
    color: var(--primary-color);
    margin-right: 10px;
}

.pricing-options {
    border-top: 1px solid var(--glass-border);
    padding-top: 20px;
}

.price-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.price-item span { color: var(--text-dim); }
.price-item strong { color: #fff; }

/* Articles Section */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.article-thumb {
    background: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    border: 1px solid var(--glass-border);
    transition: all 0.3s;
}

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

.thumb-img {
    height: 200px;
    background-size: cover;
    background-position: center;
}

.thumb-content {
    padding: 25px;
}

.thumb-content h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.thumb-content p {
    color: var(--text-dim);
    font-size: 0.9rem;
}

/* Footer */
.footer {
    background: #050505;
    padding: 80px 0 40px;
    border-top: 1px solid var(--glass-border);
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 50px;
    margin-bottom: 60px;
}

.footer-brand h3 {
    margin-bottom: 20px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-brand p { color: var(--text-dim); }

.link-group h4 {
    margin-bottom: 20px;
    font-size: 1rem;
}

.link-group a {
    display: block;
    color: var(--text-dim);
    text-decoration: none;
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.link-group a:hover { color: var(--primary-color); }

.footer-bottom {
    text-align: center;
    border-top: 1px solid var(--glass-border);
    padding-top: 30px;
    color: var(--text-dim);
    font-size: 0.8rem;
}

/* Mobile Responsive */
@media (max-width: 992px) {
    .hero .container { grid-template-columns: 1fr; text-align: center; }
    .hero-btns { justify-content: center; }
    .hero h1 { font-size: 2.5rem; }
    .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
    .nav-links { display: none; }
    .pricing-card.featured { transform: scale(1); }
    .footer-top { grid-template-columns: 1fr; }
}