/* Base Styles */
:root {
    --bg-color: #050505;
    --text-color: #f0f0f0;
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.1);
    --accent-color: #ffffff;
    --accent-glow: 0 0 15px rgba(255, 255, 255, 0.3);
    --secondary-bg: #111111;
    --font-main: 'Inter', sans-serif;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

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

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

ul {
    list-style: none;
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 100px 0;
}

.bg-dark {
    background-color: var(--secondary-bg);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    font-weight: 800;
    letter-spacing: 2px;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent-color);
    box-shadow: var(--accent-glow);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    text-align: center;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.2);
}

.btn-glow {
    background: var(--text-color);
    color: var(--bg-color);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.4);
}

.btn-glow:hover {
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.6);
    transform: scale(1.05);
}

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

.btn-outline:hover {
    background: var(--text-color);
    color: var(--bg-color);
}

.full-width {
    width: 100%;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.navbar.scrolled {
    padding: 15px 0;
    background: rgba(5, 5, 5, 0.9);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.logo span {
    color: #888;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    opacity: 0.8;
    transition: var(--transition);
}

.nav-links a:hover {
    opacity: 1;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    text-align: center;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.highlight {
    background: linear-gradient(90deg, #fff, #666);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.2rem;
    opacity: 0.8;
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.hero-bg-animation {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, rgba(0,0,0,0) 70%);
    z-index: 1;
    animation: pulse 4s infinite alternate;
}

@keyframes pulse {
    0% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    100% { transform: translate(-50%, -50%) scale(1.2); opacity: 1; }
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
    backdrop-filter: blur(5px);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.feature-card .icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.feature-card p {
    opacity: 0.7;
    font-size: 0.95rem;
}

/* Node Status */
.node-status-board {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 15px;
    overflow: hidden;
}

.node-header {
    display: flex;
    justify-content: space-between;
    padding: 20px 30px;
    background: rgba(255, 255, 255, 0.05);
    font-weight: 600;
    border-bottom: 1px solid var(--card-border);
}

.node-item {
    display: flex;
    justify-content: space-between;
    padding: 15px 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
    transition: var(--transition);
}

.node-item:hover {
    background: rgba(255, 255, 255, 0.03);
}

.node-item:last-child {
    border-bottom: none;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 10px;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.dot.online { background: #4caf50; box-shadow: 0 0 10px #4caf50; }
.dot.warning { background: #ff9800; box-shadow: 0 0 10px #ff9800; }
.dot.offline { background: #f44336; box-shadow: 0 0 10px #f44336; }

.ping { font-family: monospace; }
.ping.fast { color: #4caf50; }
.ping.medium { color: #ff9800; }
.ping.slow { color: #f44336; }

/* Pricing Grid */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    align-items: center;
}

.pricing-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 15px;
    padding: 30px 20px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.pricing-card.popular {
    transform: scale(1.05);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.05);
    background: rgba(255, 255, 255, 0.05);
}

.pricing-card:hover {
    border-color: rgba(255, 255, 255, 0.5);
}

.badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--text-color);
    color: var(--bg-color);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.card-header h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    opacity: 0.9;
}

.price {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.price span {
    font-size: 1rem;
    font-weight: 400;
    opacity: 0.6;
}

.features-list {
    margin-bottom: 30px;
    flex-grow: 1;
}

.features-list li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.9rem;
    display: flex;
    justify-content: space-between;
}

.features-list li span {
    opacity: 0.6;
}

.features-list li:last-child {
    border-bottom: none;
    justify-content: center;
    font-weight: 600;
}

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

.review-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 30px;
    border-radius: 15px;
    transition: var(--transition);
}

.review-card:hover {
    transform: translateY(-5px);
}

.stars {
    color: #fff;
    font-size: 1.2rem;
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.review-card p {
    font-style: italic;
    opacity: 0.8;
    margin-bottom: 20px;
}

.author {
    font-weight: 600;
    font-size: 0.9rem;
}

/* Knowledge Base */
.knowledge-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.knowledge-card {
    display: block;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 25px;
    border-radius: 10px;
    transition: var(--transition);
}

.knowledge-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateX(5px);
}

.knowledge-card h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.knowledge-card p {
    font-size: 0.9rem;
    opacity: 0.7;
    margin-bottom: 15px;
}

.read-more {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* FAQ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    margin-bottom: 15px;
    border-radius: 10px;
    overflow: hidden;
}

.faq-question {
    padding: 20px;
    cursor: pointer;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    transition: var(--transition);
}

.faq-item.active .faq-question::after {
    content: '-';
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    padding: 0 20px;
    opacity: 0.8;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding-bottom: 20px;
}

/* Footer */
footer {
    padding: 60px 0 30px;
    border-top: 1px solid var(--card-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-brand h2 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.footer-brand p {
    opacity: 0.6;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    opacity: 0.6;
    transition: var(--transition);
    font-size: 0.9rem;
}

.footer-links a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    opacity: 0.5;
    font-size: 0.8rem;
}

/* Background Canvas */
#bgCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
    opacity: 0.4;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* In a real app, add a hamburger menu */
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .pricing-card.popular {
        transform: none;
    }
}