:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-glass: rgba(18, 18, 26, 0.7);
    --bg-glass-heavy: rgba(10, 10, 18, 0.85);
    --accent-purple: #8b5cf6;
    --accent-pink: #ec4899;
    --accent-blue: #3b82f6;
    --neon-glow: 0 0 20px rgba(139, 92, 246, 0.3);
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --border-glow: 1px solid rgba(139, 92, 246, 0.2);
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Glassmorphism */
.glass {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: var(--border-glow);
    border-radius: 24px;
    box-shadow: var(--neon-glow);
}

.glass-card {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(139, 92, 246, 0.15);
    border-radius: 20px;
    transition: all 0.3s ease;
}

.glass-card:hover {
    border-color: rgba(139, 92, 246, 0.5);
    box-shadow: 0 20px 40px rgba(139, 92, 246, 0.2);
    transform: translateY(-2px);
}

/* Neon Text */
.neon-text {
    background: linear-gradient(135deg, #8b5cf6, #ec4899, #3b82f6);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 700;
}

/* Navigation */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    margin: 20px auto;
    max-width: 1400px;
    background: var(--bg-glass-heavy);
    backdrop-filter: blur(12px);
    border-radius: 60px;
    border: 1px solid rgba(139, 92, 246, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.logo {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #fff, #8b5cf6, #ec4899);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.logo i {
    color: #8b5cf6;
    margin-right: 8px;
}

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

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

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

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
    border: none;
    padding: 14px 32px;
    border-radius: 40px;
    font-weight: 600;
    color: white;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 20px rgba(139, 92, 246, 0.3);
    text-decoration: none;
    display: inline-block;
}

.btn-primary:hover:not(:disabled) {
    transform: scale(1.05);
    box-shadow: 0 15px 30px rgba(139, 92, 246, 0.5);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-secondary {
    background: transparent;
    border: 2px solid rgba(139, 92, 246, 0.5);
    padding: 14px 32px;
    border-radius: 40px;
    font-weight: 600;
    color: white;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

.btn-secondary:hover {
    border-color: var(--accent-purple);
    background: rgba(139, 92, 246, 0.1);
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 80px 20px;
}

.hero h1 {
    font-size: clamp(40px, 8vw, 80px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-input-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    gap: 10px;
    background: var(--bg-glass);
    padding: 8px;
    border-radius: 60px;
    border: 1px solid rgba(139, 92, 246, 0.3);
    backdrop-filter: blur(10px);
}

.hero-input-container input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 16px 24px;
    font-size: 16px;
    color: white;
    outline: none;
}

.hero-input-container input::placeholder {
    color: var(--text-secondary);
}

/* Suggestion Chips */
.suggestion-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin: 30px 0;
}

.chip {
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    padding: 8px 20px;
    border-radius: 40px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
}

.chip:hover {
    background: rgba(139, 92, 246, 0.3);
    transform: scale(1.05);
}

/* Features Section */
.features-section, .pricing-section {
    margin: 80px 0;
}

.section-title {
    font-size: 36px;
    margin-bottom: 40px;
    text-align: center;
}

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

.feature-card {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border-radius: 30px;
    padding: 40px 30px;
    text-align: center;
    border: 1px solid rgba(139, 92, 246, 0.2);
    transition: all 0.3s;
}

.feature-card:hover {
    border-color: var(--accent-purple);
    transform: translateY(-5px);
}

.feature-card i {
    font-size: 50px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

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

.pricing-card {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border-radius: 30px;
    padding: 40px 30px;
    border: 1px solid rgba(139, 92, 246, 0.2);
    position: relative;
    overflow: hidden;
}

.pricing-card.popular {
    border-color: var(--accent-purple);
    transform: scale(1.05);
    box-shadow: 0 20px 40px rgba(139, 92, 246, 0.3);
}

.popular-badge {
    position: absolute;
    top: 20px;
    right: -30px;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
    padding: 8px 40px;
    transform: rotate(45deg);
    font-size: 14px;
    font-weight: 600;
}

.price {
    font-size: 48px;
    font-weight: 800;
    margin: 20px 0;
}

.price span {
    font-size: 16px;
    font-weight: 400;
    color: var(--text-secondary);
}

.pricing-features {
    list-style: none;
    margin: 30px 0;
}

.pricing-features li {
    margin: 15px 0;
    color: var(--text-secondary);
}

.pricing-features i {
    color: var(--accent-purple);
    margin-right: 10px;
}

/* Payment Section */
.payment-section {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border-radius: 30px;
    padding: 40px;
    margin: 60px 0;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 30px;
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.payment-method {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 20px;
}

.payment-method i {
    font-size: 32px;
    color: var(--accent-purple);
}

/* Auth Pages */
.auth-container {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.auth-card {
    max-width: 500px;
    width: 100%;
    padding: 40px;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border-radius: 30px;
}

.auth-card h2 {
    font-size: 32px;
    margin-bottom: 10px;
    text-align: center;
}

.auth-card p {
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 30px;
}

.auth-form {
    margin-top: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.form-group input {
    width: 100%;
    padding: 16px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 12px;
    color: white;
    font-size: 16px;
    outline: none;
}

.form-group input:focus {
    border-color: var(--accent-purple);
}

.alert {
    padding: 15px;
    border-radius: 12px;
    margin-bottom: 20px;
}

.alert.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
}

.alert.success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #4ade80;
}

.auth-footer {
    margin-top: 30px;
    text-align: center;
    color: var(--text-secondary);
}

.auth-footer a {
    color: var(--accent-purple);
    text-decoration: none;
}

/* Footer */
footer {
    text-align: center;
    padding: 60px 20px 40px;
    color: var(--text-secondary);
    border-top: 1px solid rgba(139, 92, 246, 0.2);
    margin-top: 60px;
}

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

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

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

.social-links i {
    font-size: 24px;
}

/* Responsive */
@media (max-width: 1024px) {
    .navbar {
        flex-direction: column;
        gap: 20px;
        padding: 20px;
    }
    
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .pricing-card.popular {
        transform: scale(1);
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 40px;
    }
    
    .hero-input-container {
        flex-direction: column;
        background: transparent;
        padding: 0;
    }
    
    .hero-input-container button {
        width: 100%;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        text-align: center;
    }
    
    .features-grid, .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .payment-section {
        flex-direction: column;
        align-items: center;
    }
}