/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --accent: #06b6d4;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray: #64748b;
    --gray-light: #94a3b8;
    --light: #f8fafc;
    --white: #ffffff;
    --success: #10b981;
    --warning: #f59e0b;
    --gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
    --gradient-text: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
}

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

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    padding: 16px 0;
}

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

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    font-size: 28px;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 8px rgba(99, 102, 241, 0.5));
}

.logo .highlight {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav a {
    color: var(--gray-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
    font-size: 16px;
}

.btn-primary {
    background: var(--gradient);
    color: var(--white);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-large {
    padding: 16px 32px;
    font-size: 18px;
}

.btn-pricing {
    width: 100%;
    margin-top: 24px;
    background: var(--primary);
    color: var(--white);
}

.btn-pricing:hover {
    background: var(--primary-dark);
}

/* Hero */
.hero {
    padding: 160px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero-gradient {
    position: absolute;
    top: -50%;
    left: -20%;
    width: 140%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--white);
}

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

.hero-subtitle {
    font-size: 20px;
    color: var(--gray-light);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 48px;
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--gray-light);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Problem Section */
.problem {
    padding: 100px 0;
    background: var(--dark-light);
}

.problem h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: var(--white);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.problem-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 32px;
    transition: transform 0.2s, border-color 0.2s;
}

.problem-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
}

.problem-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.problem-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--white);
}

.problem-card p {
    color: var(--gray-light);
}

/* Solution Section */
.solution {
    padding: 100px 0;
}

.solution-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.solution h2 {
    font-size: 36px;
    margin-bottom: 24px;
    color: var(--white);
}

.solution-lead {
    font-size: 18px;
    color: var(--gray-light);
    margin-bottom: 48px;
}

.solution-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 500px;
    margin: 0 auto;
    text-align: left;
}

.feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.check {
    color: var(--success);
    font-weight: 700;
    font-size: 18px;
}

/* Pricing */
.pricing {
    padding: 100px 0;
    background: var(--dark-light);
}

.pricing h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 16px;
    color: var(--white);
}

.pricing-subtitle {
    text-align: center;
    color: var(--gray-light);
    margin-bottom: 60px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 40px 32px;
    position: relative;
    transition: transform 0.2s, box-shadow 0.2s;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.pricing-card.popular {
    border-color: var(--primary);
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.2);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pricing-header {
    text-align: center;
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.pricing-header h3 {
    font-size: 20px;
    margin-bottom: 16px;
    color: var(--white);
}

.pricing-price {
    margin-bottom: 8px;
}

.price {
    font-size: 48px;
    font-weight: 700;
    color: var(--white);
}

.period {
    color: var(--gray-light);
    font-size: 16px;
    margin-left: 4px;
}

.pricing-note {
    color: var(--gray);
    font-size: 14px;
}

.pricing-features ul {
    list-style: none;
}

.pricing-features li {
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--gray-light);
    font-size: 14px;
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features strong {
    color: var(--white);
}

.pricing-guarantee {
    text-align: center;
    margin-top: 60px;
    padding: 32px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 12px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.guarantee-badge {
    display: inline-block;
    background: var(--success);
    color: var(--white);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.pricing-guarantee p {
    color: var(--gray-light);
}

/* How It Works */
.how-it-works {
    padding: 100px 0;
}

.how-it-works h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 16px;
    color: var(--white);
}

.section-subtitle {
    text-align: center;
    color: var(--gray-light);
    margin-bottom: 60px;
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 32px;
    max-width: 700px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 20px;
    margin-bottom: 8px;
    color: var(--white);
}

.step-content p {
    color: var(--gray-light);
}

/* Skills */
.skills {
    padding: 100px 0;
    background: var(--dark-light);
}

.skills h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 16px;
    color: var(--white);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.skill-category {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 32px;
}

.skill-category h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--white);
}

.skill-category ul {
    list-style: none;
}

.skill-category li {
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--gray-light);
}

.skill-category li:last-child {
    border-bottom: none;
}

.skill-category strong {
    color: var(--white);
}

.skills-note {
    text-align: center;
    margin-top: 40px;
    padding: 20px;
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: 12px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.skills-note p {
    color: var(--gray-light);
}

/* FAQ */
.faq {
    padding: 100px 0;
}

.faq h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: var(--white);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 24px;
}

.faq-item h3 {
    font-size: 16px;
    margin-bottom: 12px;
    color: var(--white);
}

.faq-item p {
    color: var(--gray-light);
    font-size: 14px;
}

/* CTA */
.cta {
    padding: 100px 0;
    background: var(--gradient);
    text-align: center;
}

.cta h2 {
    font-size: 36px;
    margin-bottom: 16px;
    color: var(--white);
}

.cta-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
}

.calendly-placeholder {
    background: rgba(255, 255, 255, 0.1);
    border: 2px dashed rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    padding: 40px;
    margin: 40px auto;
    max-width: 600px;
}

.calendly-placeholder p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 12px;
}

.calendly-placeholder code {
    display: block;
    background: rgba(0, 0, 0, 0.3);
    padding: 16px;
    border-radius: 8px;
    font-family: monospace;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
    text-align: left;
    margin-top: 16px;
}

.cta-buttons {
    margin-top: 32px;
}

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

.cta .btn-primary:hover {
    background: var(--light);
}

.cta-guarantee {
    margin-top: 24px;
    color: rgba(255, 255, 255, 0.7);
}

/* Footer */
.footer {
    padding: 60px 0 30px;
    background: var(--dark);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-brand p {
    color: var(--gray);
    margin-top: 8px;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: var(--gray-light);
    text-decoration: none;
    transition: color 0.2s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gray);
    font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* Comparison Section */
.comparison {
    padding: 100px 0;
    background: var(--dark-light);
}

.comparison h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 16px;
    color: var(--white);
}

.comparison-subtitle {
    text-align: center;
    color: var(--gray-light);
    margin-bottom: 60px;
}

.comparison-table {
    max-width: 900px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.comparison-header {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    background: var(--gradient);
    padding: 20px;
    font-weight: 700;
    color: var(--white);
}

.comparison-row {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-col {
    padding: 8px 12px;
}

.comparison-col.cloud-tools {
    color: var(--gray-light);
    text-decoration: line-through;
    opacity: 0.7;
}

.comparison-col.privateai {
    color: var(--success);
    font-weight: 600;
}

.comparison-col.privateai.highlight {
    background: rgba(16, 185, 129, 0.1);
    border-radius: 8px;
}

.comparison-cta {
    max-width: 700px;
    margin: 40px auto 0;
    text-align: center;
    padding: 24px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 12px;
}

.comparison-cta p {
    color: var(--gray-light);
    font-size: 18px;
}

.comparison-cta strong {
    color: var(--white);
}

@media (max-width: 768px) {
    .comparison-header,
    .comparison-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .comparison-header .comparison-col:first-child,
    .comparison-row .comparison-col:first-child {
        font-weight: 700;
        color: var(--white);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        padding-bottom: 8px;
        margin-bottom: 8px;
    }
}

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* Selection */
::selection {
    background: var(--primary);
    color: var(--white);
}
