:root {
    --primary-color: #00d2ff;
    --secondary-color: #3a7bd5;
    --accent-color: #7000ff;
    --bg-dark: #050b1a;
    --text-light: #f0f4f8;
    --text-dim: #a0aec0;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.1);
    --neon-glow: 0 0 15px rgba(0, 210, 255, 0.5);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    background: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

#canvas-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at 50% 50%, #0a192f 0%, #050b1a 100%);
}

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

/* Glassmorphism Card */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    transition: var(--transition);
}

.glass-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(0, 210, 255, 0.15);
}

/* Typography */
h1, h2, h3 {
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #fff 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    box-shadow: var(--neon-glow);
}

.btn-primary:hover {
    box-shadow: 0 0 25px rgba(0, 210, 255, 0.8);
    transform: scale(1.05);
}

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

.btn-outline:hover {
    background: rgba(0, 210, 255, 0.1);
}

/* Sections */
section {
    padding: 100px 0;
}

/* Navbar */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

nav.scrolled {
    background: rgba(5, 11, 26, 0.8);
    backdrop-filter: blur(10px);
    padding: 15px 0;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

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

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

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

/* Hero Section */
.hero {
    text-align: center;
    padding-top: 180px;
    padding-bottom: 120px;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    margin-bottom: 24px;
    line-height: 1.1;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-dim);
    max-width: 800px;
    margin: 0 auto 40px;
}

/* Pricing Section */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.price-card {
    text-align: center;
    position: relative;
    overflow: hidden;
}

.price-card.popular {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
}

.price-card.popular::before {
    content: 'RECOMMENDED';
    position: absolute;
    top: 20px;
    right: -35px;
    background: var(--primary-color);
    color: #000;
    font-size: 0.75rem;
    font-weight: 800;
    padding: 5px 40px;
    transform: rotate(45deg);
}

.price-card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.price-value {
    font-size: 3rem;
    font-weight: 800;
    margin: 20px 0;
}

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

.price-features {
    list-style: none;
    margin-bottom: 30px;
    text-align: left;
}

.price-features li {
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-dim);
}

.price-features li::before {
    content: '✓';
    color: var(--primary-color);
    font-weight: 800;
}

/* FAQ */
.faq-grid {
    display: grid;
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    cursor: pointer;
}

.faq-question {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.faq-answer {
    color: var(--text-dim);
    font-size: 0.95rem;
}

/* Footer */
footer {
    padding: 80px 0 40px;
    border-top: 1px solid var(--glass-border);
    margin-top: 100px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.footer-section h4 {
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: #fff;
}

.footer-section p, .footer-section a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 10px;
    display: block;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--glass-border);
    color: var(--text-dim);
    font-size: 0.85rem;
}

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