:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --secondary: #8b5cf6;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --bg-body: #f8fafc;
    --bg-card: rgba(255, 255, 255, 0.8);
    --border: #e2e8f0;
    --container-width: 1200px;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

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

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Background Animations */
.background-blobs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: move 20s infinite alternate;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: var(--primary);
    top: -100px;
    right: -100px;
}

.blob-2 {
    width: 500px;
    height: 500px;
    background: var(--secondary);
    bottom: -150px;
    left: -150px;
    animation-duration: 25s;
}

.blob-3 {
    width: 300px;
    height: 300px;
    background: #0ea5e9;
    top: 40%;
    left: 30%;
    animation-duration: 30s;
}

@keyframes move {
    from { transform: translate(0, 0) scale(1); }
    to { transform: translate(100px, 100px) scale(1.1); }
}

/* Header & Nav */
header {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border);
}

nav {
    height: 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

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

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

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.39);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.23);
}

.btn-secondary {
    background: white;
    color: var(--text-main);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-body);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    gap: 4rem;
    padding: 6rem 0;
}

.hero-content {
    flex: 1;
}

.hero-content h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    font-weight: 800;
    letter-spacing: -2px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.hero-stats {
    display: flex;
    gap: 3rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

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

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
}

.visual-card {
    width: 100%;
    max-width: 500px;
    background: white;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    overflow: hidden;
    transform: perspective(1000px) rotateY(-10deg) rotateX(5deg);
    transition: transform 0.5s;
}

.visual-card:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.card-header {
    background: #f1f5f9;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.card-dots {
    display: flex;
    gap: 6px;
}

.card-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #cbd5e1;
}

.card-body {
    padding: 4rem 2rem;
    text-align: center;
    position: relative;
}

.globe-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    display: block;
}

.pulse-ring {
    position: absolute;
    top: 35%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    border: 4px solid var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: translate(-50%, -50%) scale(0.8); opacity: 0.8; }
    100% { transform: translate(-50%, -50%) scale(1.5); opacity: 0; }
}

/* Sections General */
section {
    padding: 8rem 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 4rem;
    font-weight: 700;
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 24px;
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.feature-card:hover {
    background: white;
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

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

/* Node Status */
.node-status {
    background: rgba(241, 245, 249, 0.5);
    border-radius: 40px;
}

.status-header {
    text-align: center;
    margin-bottom: 3rem;
}

.status-header p {
    color: var(--text-muted);
}

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

.node-item {
    background: white;
    padding: 1.5rem;
    border-radius: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}

.node-info {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.flag {
    font-size: 1.5rem;
}

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

.node-latency {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.latency-value {
    font-size: 0.9rem;
    color: #10b981;
    font-family: monospace;
}

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

.status-dot.online {
    background: #10b981;
    box-shadow: 0 0 8px #10b981;
}

/* Pricing */
.billing-toggle {
    display: flex;
    width: fit-content;
    margin: 0 auto 4rem;
    background: #e2e8f0;
    padding: 4px;
    border-radius: 12px;
}

.billing-toggle span {
    padding: 0.6rem 1.5rem;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
}

.billing-toggle span.active {
    background: white;
    box-shadow: var(--shadow);
    color: var(--primary);
}

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

.pricing-card {
    background: white;
    padding: 3rem;
    border-radius: 32px;
    border: 1px solid var(--border);
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
}

.pricing-card.popular {
    border: 2px solid var(--primary);
    position: relative;
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 0.4rem 1.2rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
}

.pricing-card:hover {
    box-shadow: var(--shadow-lg);
}

.plan-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.plan-price {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.plan-price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-muted);
}

.plan-features {
    list-style: none;
    margin-bottom: 2.5rem;
    flex: 1;
}

.plan-features li {
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--bg-body);
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.plan-features li::before {
    content: "✓";
    color: var(--primary);
    font-weight: 900;
}

/* Articles */
.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.article-card {
    background: white;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.article-card img {
    width: 100%;
    height: 200px;
    object-fit: crop;
}

.article-content {
    padding: 2rem;
}

.article-content h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.article-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.article-content a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.view-all-articles {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.view-all-articles a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    background: white;
    border-radius: 10px;
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.view-all-articles a:hover {
    color: var(--primary);
    border-color: var(--primary);
}

/* Footer */
footer {
    padding-top: 6rem;
    padding-bottom: 3rem;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand p {
    margin-top: 1.5rem;
    color: var(--text-muted);
    max-width: 300px;
}

.footer-links h4, .footer-support h4 {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.footer-links ul, .footer-support ul {
    list-style: none;
}

.footer-links li, .footer-support li {
    margin-bottom: 0.8rem;
}

.footer-links a, .footer-support a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover, .footer-support a:hover {
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 4rem;
    }
    .hero-content h1 {
        font-size: 3rem;
    }
    .hero-subtitle {
        margin: 0 auto 2.5rem;
    }
    .hero-buttons {
        justify-content: center;
    }
    .hero-stats {
        justify-content: center;
    }
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .hero-content h1 {
        font-size: 2.5rem;
    }
    .pricing-card.popular {
        transform: scale(1);
    }
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}