:root {
    --bg-dark: #0f0f13;
    --bg-card: #1c1c24;
    --bg-card-hover: #252530;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --primary-color: #8a2be2;
    --secondary-color: #9d4edd;
    --accent-color: #bb86fc;
    --gradient: linear-gradient(135deg, #8a2be2, #9d4edd);
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
}

a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

.highlight {
    color: var(--accent-color);
}

.section {
    padding: 100px 0;
}

.bg-darker {
    background-color: rgba(0, 0, 0, 0.3);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background-color: var(--bg-card);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 0 15px rgba(138, 43, 226, 0.4);
}

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

.btn-gradient:hover {
    box-shadow: 0 0 20px rgba(157, 78, 221, 0.6);
    transform: translateY(-2px);
}

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

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

.btn-large {
    padding: 16px 36px;
    font-size: 1.1rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* Dynamic Background */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    background-color: var(--bg-dark);
}

.glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: float 20s infinite alternate ease-in-out;
}

.glow-1 {
    width: 400px;
    height: 400px;
    background: #4a00e0;
    top: -100px;
    left: -100px;
}

.glow-2 {
    width: 500px;
    height: 500px;
    background: #8e2de2;
    bottom: -150px;
    right: -100px;
    animation-delay: -5s;
}

.glow-3 {
    width: 300px;
    height: 300px;
    background: #3f2b96;
    top: 40%;
    left: 50%;
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(100px, 50px) scale(1.2); }
    100% { transform: translate(-50px, 100px) scale(0.8); }
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 15, 19, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 1px;
}

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

.nav-links a {
    font-size: 0.95rem;
    font-weight: 400;
}

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

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 80px;
}

.hero-content {
    max-width: 800px;
    padding: 0 20px;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

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

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

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

.feature-card {
    background: var(--bg-card);
    padding: 40px 30px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border-color: rgba(138, 43, 226, 0.3);
}

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

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

.feature-card p {
    color: var(--text-secondary);
}

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

.pricing-card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 40px 30px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    transition: transform 0.3s ease;
}

.pricing-card:hover {
    transform: scale(1.02);
}

.pricing-card.popular {
    border-color: var(--primary-color);
    background: linear-gradient(180deg, rgba(28,28,36,1) 0%, rgba(37,20,54,1) 100%);
    transform: scale(1.05);
    box-shadow: 0 0 30px rgba(138, 43, 226, 0.2);
}

.pricing-card.popular:hover {
    transform: scale(1.07);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.pricing-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.price {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 15px;
}

.price span {
    font-size: 1.5rem;
    vertical-align: top;
}

.price .period {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.pricing-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    min-height: 45px;
}

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

.pricing-features li {
    margin-bottom: 10px;
    font-size: 0.95rem;
    color: #ddd;
}

.discount-hint {
    font-size: 0.8rem;
    color: var(--accent-color);
    margin-bottom: 20px;
    text-align: center;
}

/* Status */
.status-container {
    background: var(--bg-card);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.status-header {
    display: flex;
    justify-content: space-between;
    padding: 20px 30px;
    background: rgba(0, 0, 0, 0.2);
    font-weight: 600;
    color: var(--text-secondary);
}

.status-row {
    display: flex;
    justify-content: space-between;
    padding: 20px 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    align-items: center;
}

.status-row:hover {
    background: var(--bg-card-hover);
}

.node-name {
    flex: 2;
    font-weight: 600;
}

.node-status {
    flex: 1;
    text-align: center;
}

.node-status.online {
    color: #4ade80;
}

.node-ping {
    flex: 1;
    text-align: right;
    font-family: monospace;
    font-size: 1.1rem;
    color: var(--accent-color);
}

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

.review-card {
    background: var(--bg-card);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.stars {
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.review-card p {
    font-style: italic;
    margin-bottom: 20px;
    color: #e0e0e0;
}

.reviewer {
    color: var(--accent-color);
    font-weight: 600;
}

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

.faq-item {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    margin-bottom: 15px;
    overflow: hidden;
}

.faq-question {
    padding: 20px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: var(--bg-card-hover);
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 20px 20px 20px;
    max-height: 200px;
}

.faq-item.active .toggle-icon {
    transform: rotate(45deg);
}

.toggle-icon {
    transition: transform 0.3s ease;
    font-size: 1.5rem;
    color: var(--accent-color);
}

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

.kb-card {
    background: var(--bg-card);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: block;
}

.kb-card:hover {
    border-color: var(--primary-color);
    background: var(--bg-card-hover);
}

.kb-card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--accent-color);
}

.kb-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Footer */
.footer {
    background: #0a0a0d;
    padding: 60px 0 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

.footer-brand {
    max-width: 300px;
}

.footer-brand h2 {
    margin-bottom: 15px;
}

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

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links h3 {
    margin-bottom: 10px;
    color: white;
}

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

.footer-links a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s forwards ease-out;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-dark);
        flex-direction: column;
        padding: 20px;
        text-align: center;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }

    .nav-cta {
        display: none;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .pricing-card.popular {
        transform: scale(1);
    }
    
    .pricing-card.popular:hover {
        transform: scale(1.02);
    }
}