:root {
    --bg-color: #050505;
    --card-bg: rgba(20, 20, 20, 0.7);
    --primary: #8a2be2;
    --primary-glow: rgba(138, 43, 226, 0.5);
    --secondary: #00d4ff;
    --text-main: #ffffff;
    --text-muted: #a0a0a0;
    --accent-gradient: linear-gradient(135deg, #8a2be2, #00d4ff);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

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

h1, h2, h3 {
    font-family: 'Outfit', sans-serif;
}

#background-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at 50% 50%, #1a0b2e 0%, #050505 100%);
}

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 5%;
    z-index: 100;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
}

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

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

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

/* Buttons */
.btn {
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: none;
    display: inline-block;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px var(--primary-glow);
}

.btn-glow {
    background: var(--accent-gradient);
    color: white;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    box-shadow: 0 0 20px rgba(138, 43, 226, 0.3);
}

.btn-glow:hover {
    transform: scale(1.05);
    box-shadow: 0 0 30px rgba(138, 43, 226, 0.6);
}

.btn-outline {
    border: 1px solid var(--glass-border);
    color: white;
    margin-left: 1rem;
}

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

/* Hero Section */
#hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 5%;
}

.hero-content h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -2px;
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

/* Section Common */
section {
    padding: 100px 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.node-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 1.5rem;
    backdrop-filter: blur(15px);
    transition: transform 0.3s;
    display: flex;
    align-items: center;
    gap: 1rem;
}

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

.node-icon {
    font-size: 2rem;
}

.node-info h3 {
    font-size: 1rem;
    margin-bottom: 0.2rem;
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 5px;
}

.status-indicator.online {
    background: #00ff88;
    box-shadow: 0 0 10px #00ff88;
}

.latency {
    font-size: 0.85rem;
    color: var(--text-muted);
}

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

.pricing-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    padding: 3rem 2rem;
    text-align: center;
    position: relative;
    transition: all 0.3s;
    backdrop-filter: blur(15px);
}

.pricing-card.popular {
    border: 2px solid var(--primary);
    transform: scale(1.05);
    background: rgba(138, 43, 226, 0.05);
}

.pricing-card:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    padding: 0.3rem 1.2rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
}

.pricing-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.price {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 2rem;
}

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

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

.features li {
    margin-bottom: 0.8rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
}

.features li::before {
    content: "�;
    color: var(--secondary);
    margin-right: 10px;
    font-weight: 900;
}

.btn-pricing {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: white;
}

.pricing-card.popular .btn-pricing {
    background: var(--primary);
    border: none;
}

/* Articles Section */
.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
}

.article-item {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 1.5rem;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s;
}

.article-item:hover {
    border-color: var(--secondary);
    background: rgba(255, 255, 255, 0.03);
}

.article-meta {
    font-size: 0.8rem;
    color: var(--secondary);
    margin-bottom: 0.5rem;
}

.article-item h3 {
    font-size: 1.2rem;
}

/* Footer */
footer {
    padding: 50px 5% 20px;
    border-top: 1px solid var(--glass-border);
    margin-top: 100px;
}

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

.footer-info h3 {
    margin-bottom: 0.5rem;
}

.footer-info p {
    color: var(--text-muted);
}

.footer-links a {
    margin-left: 20px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
}

.footer-bottom {
    text-align: center;
    margin-top: 40px;
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 1s ease forwards;
}

.fade-in-delayed {
    animation: fadeIn 1s ease 0.3s forwards;
    opacity: 0;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 3rem;
    }
    .nav-links {
        display: none;
    }
    .pricing-card.popular {
        transform: scale(1);
    }
}