:root {
    --primary-color: #00d4ff;
    --primary-hover: #00b8e6;
    --secondary-color: #a855f7;
    --accent-color: #8b5cf6;
    --neural-purple: #6366f1;
    --neural-pink: #ec4899;
    --background-color: #0a0a0f;
    --background-alt: #111118;
    --background-card: #1a1a24;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --border-color: #27272a;
    --border-accent: #3f3f46;
    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #8b5cf6 100%);
    --gradient-neural: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    --gradient-hero: linear-gradient(135deg, #0a0a0f 0%, #111118 50%, #1a1a24 100%);
    --gradient-mesh: radial-gradient(circle at 20% 30%, rgba(99, 102, 241, 0.15) 0%, transparent 40%),
                     radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.15) 0%, transparent 40%),
                     radial-gradient(circle at 50% 50%, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
    --shadow-neural: 0 0 40px rgba(99, 102, 241, 0.15);
    --shadow-glow: 0 0 60px rgba(0, 212, 255, 0.2);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 12px 48px rgba(0, 0, 0, 0.4);
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --border-radius-xl: 24px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-color);
    font-size: 16px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 0;
    transition: all 0.3s ease;
}

.nav::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-mesh);
    opacity: 0.3;
    pointer-events: none;
}

.nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 1;
}

.nav-brand {
    font-size: 28px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.nav-brand::after {
    content: '.com';
    color: var(--neural-pink);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

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

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

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-glow);
    border: 1px solid rgba(0, 212, 255, 0.3);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow), 0 8px 25px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-secondary {
    background: rgba(26, 26, 36, 0.8);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--background-color);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.4);
}

/* Hero Section */
.hero {
    background: var(--background-color);
    color: white;
    padding: 140px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-mesh);
    opacity: 0.8;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(100px);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.1; }
    50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.2; }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
}

.hero-headline {
    font-size: clamp(36px, 6vw, 72px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 32px;
    background: var(--gradient-neural);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.hero-subheading {
    font-size: 22px;
    line-height: 1.6;
    margin-bottom: 48px;
    color: var(--text-secondary);
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
}

.hero-cta {
    font-size: 18px;
    padding: 20px 40px;
    margin-bottom: 32px;
    font-weight: 700;
}

.trust-line {
    color: var(--text-muted);
    font-size: 16px;
    text-align: center;
    font-weight: 500;
}

/* Section Styles */
section {
    padding: 100px 0;
    position: relative;
}

.section-headline {
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 48px;
    text-align: center;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

/* Problem Section */
.problem {
    background: var(--background-alt);
    position: relative;
}

.problem::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.problem .section-headline {
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--neural-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.problem-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.problem-content p {
    font-size: 20px;
    margin-bottom: 32px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.highlight {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 24px !important;
    display: block;
    margin-top: 40px;
    padding: 24px;
    background: rgba(0, 212, 255, 0.05);
    border-radius: var(--border-radius-lg);
    border-left: 4px solid var(--primary-color);
}

/* Solution Section */
.solution {
    position: relative;
}

.solution::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(236, 72, 153, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.solution .section-headline {
    background: var(--gradient-neural);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.solution-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.solution-content p {
    font-size: 20px;
    margin-bottom: 32px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.emphasis {
    color: var(--neural-pink);
    font-weight: 700;
    font-size: 28px !important;
    display: block;
    margin: 48px 0;
    text-align: center;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    padding: 24px;
    background-color: rgba(0, 212, 255, 0.05);
    border-radius: var(--border-radius-lg);
    border-left: 4px solid var(--primary-color);
}

/* How It Works Section */
.how-it-works {
    background: var(--background-alt);
    position: relative;
}

.how-it-works::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-mesh);
    opacity: 0.3;
    pointer-events: none;
}

.how-it-works .section-headline {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 80px;
    position: relative;
    z-index: 1;
}

.step {
    text-align: center;
    padding: 48px 32px;
    background: var(--background-card);
    border-radius: var(--border-radius-xl);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-mesh);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.step:hover::before {
    opacity: 0.1;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 32px;
    box-shadow: var(--shadow-glow);
    position: relative;
    z-index: 1;
}

.step h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
    position: relative;
    z-index: 1;
}

.step p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 18px;
    position: relative;
    z-index: 1;
}

/* Features Section */
.features {
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 60% 40%, rgba(99, 102, 241, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.features .section-headline {
    background: var(--gradient-neural);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-top: 80px;
    position: relative;
    z-index: 1;
}

.feature {
    padding: 40px 32px;
    background: var(--background-card);
    border-radius: var(--border-radius-xl);
    border: 1px solid var(--border-color);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-mesh);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.feature:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.feature:hover::before {
    opacity: 0.05;
}

.feature h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
    position: relative;
    z-index: 1;
}

.feature h3::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    background: var(--primary-color);
    border-radius: 50%;
    margin-right: 12px;
    box-shadow: 0 0 12px var(--primary-color);
}

.feature-description {
    color: var(--text-muted);
    margin-bottom: 20px;
    font-style: italic;
    font-size: 16px;
    position: relative;
    z-index: 1;
}

.benefit {
    color: var(--text-secondary);
    font-weight: 500;
    line-height: 1.6;
    font-size: 18px;
    position: relative;
    z-index: 1;
}

/* Final CTA Section */
.final-cta {
    background: var(--background-alt);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.final-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-mesh);
    opacity: 0.6;
    pointer-events: none;
}

.final-cta::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(120px);
}

.final-cta .container {
    position: relative;
    z-index: 1;
}

.final-cta .section-headline {
    color: var(--text-primary);
    background: var(--gradient-neural);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-description {
    font-size: 20px;
    max-width: 800px;
    margin: 0 auto 48px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.final-cta .btn-primary {
    font-size: 20px;
    padding: 20px 48px;
    font-weight: 700;
}

/* Footer */
.footer {
    background: var(--background-color);
    color: var(--text-secondary);
    padding: 60px 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer-brand {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand::after {
    content: '.com';
    color: var(--neural-pink);
}

.footer p {
    color: var(--text-muted);
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        gap: 16px;
    }
    
    .nav-links a {
        display: none;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .steps {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .container {
        padding: 0 16px;
    }
}

@media (max-width: 480px) {
    .hero-subheading {
        font-size: 18px;
    }
    
    .btn-primary, .btn-secondary {
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .hero-cta {
        font-size: 16px;
        padding: 14px 28px;
    }
}