@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;700;900&family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

:root {
    --bg-color: #0b0c10;
    --text-color: #c5c6c7;
    --primary-color: #66fcf1;
    --secondary-color: #45a29e;
    --card-bg: #1f2833;
    --header-bg: rgba(11, 12, 16, 0.9);
    --glow-shadow: 0 0 10px rgba(102, 252, 241, 0.5);
    --transition: all 0.3s ease;
}

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

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

h1, h2, h3, h4, h5, h6, .brand-logo {
    font-family: 'Orbitron', 'Noto Sans SC', sans-serif;
    color: #fff;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

a:hover {
    color: #fff;
    text-shadow: var(--glow-shadow);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--header-bg);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(102, 252, 241, 0.2);
}

.brand-logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    text-shadow: var(--glow-shadow);
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-logo i {
    font-size: 2rem;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 20px;
}

.nav-links li a {
    color: var(--text-color);
    font-weight: 500;
    position: relative;
    padding-bottom: 5px;
}

.nav-links li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
    box-shadow: var(--glow-shadow);
}

.nav-links li a:hover::after,
.nav-links li a.active::after {
    width: 100%;
}

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

.cta-btn {
    padding: 10px 25px;
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    border-radius: 4px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: inset 0 0 5px rgba(102, 252, 241, 0.2);
}

.cta-btn:hover {
    background: var(--primary-color);
    color: var(--bg-color);
    box-shadow: 0 0 15px var(--primary-color);
}

/* Sections */
section {
    padding: 100px 50px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 2px;
    position: relative;
    display: inline-block;
    align-self: center;
}

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

/* Hero Section */
#hero {
    position: relative;
    text-align: center;
    background: radial-gradient(circle at center, #1f2833 0%, #0b0c10 100%);
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 20px;
    color: #fff;
    text-shadow: 0 0 20px rgba(255,255,255,0.3);
}

.hero-title span {
    color: var(--primary-color);
    text-shadow: var(--glow-shadow);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 40px;
    color: var(--text-color);
}

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

.hero-btns .cta-btn.primary {
    background: var(--primary-color);
    color: var(--bg-color);
    box-shadow: 0 0 20px rgba(102, 252, 241, 0.6);
}

.hero-btns .cta-btn.primary:hover {
    transform: scale(1.05);
    box-shadow: 0 0 30px rgba(102, 252, 241, 0.8);
}

/* Particles background for hero */
#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
}

/* Advantages Section */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.advantage-card {
    background: var(--card-bg);
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    border: 1px solid rgba(102, 252, 241, 0.1);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(102,252,241,0.1) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition);
}

.advantage-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5), 0 0 20px rgba(102, 252, 241, 0.2);
}

.advantage-card:hover::before {
    opacity: 1;
}

.advantage-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    text-shadow: var(--glow-shadow);
}

.advantage-card h3 {
    margin-bottom: 15px;
    font-size: 1.5rem;
}

/* Node Status Section */
.node-container {
    max-width: 1000px;
    margin: 0 auto;
    width: 100%;
}

.node-stats-summary {
    display: flex;
    justify-content: space-around;
    margin-bottom: 40px;
    background: var(--card-bg);
    padding: 20px;
    border-radius: 10px;
    border: 1px solid rgba(102, 252, 241, 0.2);
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: 'Orbitron', sans-serif;
    text-shadow: var(--glow-shadow);
}

.stat-label {
    color: var(--text-color);
    font-size: 0.9rem;
    text-transform: uppercase;
}

.node-list {
    background: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid rgba(102, 252, 241, 0.1);
}

.node-item {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    padding: 15px 30px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    align-items: center;
    transition: var(--transition);
}

.node-item:hover {
    background: rgba(102, 252, 241, 0.05);
}

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

.node-name {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    color: #fff;
}

.node-status {
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #00ff00;
    box-shadow: 0 0 10px #00ff00;
}

.node-ping {
    text-align: right;
    font-family: 'Orbitron', sans-serif;
    color: var(--primary-color);
}

/* Pricing Section */
.pricing-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
}

.price-card {
    background: var(--card-bg);
    padding: 50px 40px;
    border-radius: 10px;
    text-align: center;
    border: 1px solid rgba(102, 252, 241, 0.1);
    transition: var(--transition);
    flex: 1;
    min-width: 300px;
    max-width: 350px;
    position: relative;
    overflow: hidden;
}

.price-card:hover {
    transform: translateY(-15px);
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px rgba(0,0,0,0.6), 0 0 20px rgba(102, 252, 241, 0.2);
}

.price-card.popular {
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(102, 252, 241, 0.15);
    transform: scale(1.05);
}

.price-card.popular:hover {
    transform: scale(1.05) translateY(-10px);
}

.popular-badge {
    position: absolute;
    top: 20px;
    right: -35px;
    background: var(--primary-color);
    color: var(--bg-color);
    padding: 5px 40px;
    transform: rotate(45deg);
    font-weight: bold;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

.plan-name {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #fff;
}

.plan-price {
    font-size: 3rem;
    font-family: 'Orbitron', sans-serif;
    color: var(--primary-color);
    margin-bottom: 30px;
    text-shadow: var(--glow-shadow);
}

.plan-price span {
    font-size: 1rem;
    color: var(--text-color);
    font-family: 'Noto Sans SC', sans-serif;
    text-shadow: none;
}

.plan-features {
    list-style: none;
    margin-bottom: 40px;
    text-align: left;
}

.plan-features li {
    margin-bottom: 15px;
    padding-left: 30px;
    position: relative;
}

.plan-features li i {
    position: absolute;
    left: 0;
    top: 5px;
    color: var(--primary-color);
}

/* Reviews Section */
.reviews-container {
    max-width: 1000px;
    margin: 0 auto;
    overflow: hidden;
    padding: 20px;
}

.review-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 10px;
    border: 1px solid rgba(102, 252, 241, 0.1);
    margin-bottom: 20px;
    position: relative;
}

.review-card i.fa-quote-left {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 3rem;
    color: rgba(102, 252, 241, 0.05);
}

.review-content {
    font-style: italic;
    margin-bottom: 20px;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--secondary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    font-weight: bold;
    font-size: 1.2rem;
}

.author-info h4 {
    margin-bottom: 5px;
}

.author-info .stars {
    color: #ffd700;
    font-size: 0.9rem;
}

/* FAQ Section */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

.faq-item {
    background: var(--card-bg);
    margin-bottom: 15px;
    border-radius: 8px;
    border: 1px solid rgba(102, 252, 241, 0.1);
    overflow: hidden;
}

.faq-question {
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 500;
    color: #fff;
    transition: var(--transition);
}

.faq-question:hover, .faq-question.active {
    color: var(--primary-color);
    background: rgba(102, 252, 241, 0.05);
}

.faq-question i {
    transition: var(--transition);
}

.faq-question.active i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 30px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer p {
    padding: 20px 0;
    border-top: 1px solid rgba(255,255,255,0.05);
}

/* Knowledge Base Section */
.kb-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.kb-card {
    background: var(--card-bg);
    border-radius: 8px;
    border: 1px solid rgba(102, 252, 241, 0.1);
    transition: var(--transition);
    display: block;
    color: var(--text-color);
}

.kb-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 5px 15px rgba(102, 252, 241, 0.1);
}

.kb-image {
    height: 150px;
    background: #111;
    border-radius: 8px 8px 0 0;
    display: flex;
    justify-content: center;
    align-items: center;
    color: rgba(102, 252, 241, 0.3);
    font-size: 3rem;
}

.kb-content {
    padding: 20px;
}

.kb-content h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: #fff;
    transition: var(--transition);
}

.kb-card:hover .kb-content h3 {
    color: var(--primary-color);
}

.kb-content p {
    font-size: 0.9rem;
    opacity: 0.8;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Footer */
footer {
    background: #050608;
    padding: 50px;
    text-align: center;
    border-top: 1px solid rgba(102, 252, 241, 0.2);
}

.footer-content {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
}

.footer-content a {
    color: var(--text-color);
}

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

.copyright {
    font-size: 0.9rem;
    opacity: 0.6;
}

/* Responsive */
@media (max-width: 900px) {
    .navbar {
        flex-direction: column;
        padding: 15px;
        gap: 15px;
    }
    
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    section {
        padding: 80px 20px;
    }
}