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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #10b981;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray: #64748b;
    --gray-light: #cbd5e1;
    --bg: #ffffff;
    --bg-alt: #f8fafc;
    --text: #0f172a;
    --text-light: #475569;
    --border: #e2e8f0;
    --success: #10b981;
    --warning: #f59e0b;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);

    --radius: 12px;
    --radius-lg: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    padding: 16px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 18px;
    color: var(--dark);
}

.logo-icon {
    font-size: 24px;
}

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

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

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

/* Buttons */
.btn-primary-large {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary);
    color: white;
    padding: 16px 32px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 18px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: var(--shadow-md);
}

.btn-primary-large:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-primary-small {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s;
}

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

.btn-secondary {
    display: inline-block;
    background: transparent;
    color: var(--primary);
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    border: 2px solid var(--primary);
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

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

.btn-arrow {
    transition: transform 0.2s;
}

.btn-primary-large:hover .btn-arrow {
    transform: translateX(4px);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    text-align: center;
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
}

.hero-badge {
    margin-bottom: 24px;
}

.badge-pill {
    display: inline-block;
    background: var(--primary-light);
    color: white;
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
}

.badge-pill-light {
    display: inline-block;
    background: var(--bg-alt);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
    border: 1px solid var(--border);
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--dark);
}

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

.hero-subtitle {
    font-size: 24px;
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.5;
}

.hero-cta {
    margin-bottom: 48px;
}

.cta-subtext {
    margin-top: 12px;
    font-size: 14px;
    color: var(--gray);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 64px;
    margin-bottom: 64px;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--gray);
    font-weight: 500;
}

.hero-demo {
    max-width: 900px;
    margin: 0 auto;
}

.demo-placeholder {
    background: var(--dark);
    border-radius: var(--radius-lg);
    padding: 120px 40px;
    color: white;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: var(--shadow-xl);
}

.demo-placeholder:hover {
    transform: scale(1.02);
}

.demo-play {
    font-size: 48px;
    margin-bottom: 16px;
}

/* Problem Section */
.problem {
    padding: 80px 0;
    background: white;
}

.section-title {
    font-size: 48px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 64px;
    color: var(--dark);
}

.section-title-large {
    font-size: 56px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 64px;
    line-height: 1.2;
    color: var(--dark);
}

.section-subtitle {
    text-align: center;
    font-size: 20px;
    color: var(--text-light);
    margin-top: -48px;
    margin-bottom: 48px;
}

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

.problem-card {
    background: var(--bg-alt);
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

.problem-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.problem-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark);
}

.problem-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Solution Section */
.solution {
    padding: 80px 0;
    background: var(--bg-alt);
}

.solution-badge {
    text-align: center;
    margin-bottom: 24px;
}

.solution-steps {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.step {
    flex: 1;
    background: white;
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 2px solid var(--border);
    text-align: center;
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 16px;
}

.step-content h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--dark);
}

.step-content p {
    color: var(--text-light);
    font-size: 14px;
}

.step-arrow {
    font-size: 32px;
    color: var(--gray);
    font-weight: 300;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    padding: 32px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all 0.3s;
}

.feature-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

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

.feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Comparison Section */
.comparison {
    padding: 80px 0;
    background: var(--bg-alt);
}

.comparison-table {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.comparison-header {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    background: var(--dark);
    color: white;
    padding: 24px;
    font-weight: 600;
}

.comparison-logo {
    text-align: center;
    font-size: 14px;
}

.comparison-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    align-items: center;
}

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

.comparison-feature {
    font-weight: 600;
    color: var(--dark);
}

.comparison-value {
    text-align: center;
    color: var(--text-light);
}

.comparison-value.highlight {
    background: var(--primary-light);
    color: white;
    margin: -20px 0;
    padding: 20px 0;
    font-weight: 600;
}

/* Pricing Section */
.pricing {
    padding: 80px 0;
    background: white;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto 48px;
}

.pricing-card {
    background: white;
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    position: relative;
    transition: all 0.3s;
}

.pricing-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: var(--shadow-xl);
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
}

.pricing-header h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--dark);
}

.pricing-description {
    color: var(--gray);
    margin-bottom: 24px;
}

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

.price-amount {
    font-size: 56px;
    font-weight: 800;
    color: var(--dark);
}

.price-period {
    font-size: 18px;
    color: var(--gray);
}

.pricing-save {
    color: var(--success);
    font-weight: 600;
    margin-bottom: 24px;
    font-size: 14px;
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    color: var(--text-light);
}

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

.pricing-faq {
    text-align: center;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Social Proof */
.social-proof {
    padding: 80px 0;
    background: var(--bg-alt);
}

.early-access-stats {
    text-align: center;
    margin-top: 48px;
}

.stat-large {
    display: inline-block;
}

.stat-number-large {
    font-size: 80px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 8px;
}

.stat-label-large {
    font-size: 18px;
    color: var(--gray);
    font-weight: 500;
}

/* How It Works */
.how-it-works {
    padding: 80px 0;
    background: white;
}

.demo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 48px;
    margin-bottom: 64px;
}

.demo-item {
    text-align: center;
}

.demo-number {
    width: 64px;
    height: 64px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 700;
    margin: 0 auto 24px;
}

.demo-item h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark);
}

.demo-item p {
    color: var(--text-light);
}

/* Code Example */
.code-example {
    background: var(--dark);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.code-header {
    background: var(--dark-light);
    padding: 16px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.code-tabs {
    display: flex;
    gap: 16px;
}

.code-tab {
    background: transparent;
    color: var(--gray-light);
    border: none;
    padding: 8px 16px;
    font-weight: 500;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s;
}

.code-tab:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.code-tab.active {
    background: var(--primary);
    color: white;
}

.code-content {
    padding: 24px;
}

.code-block {
    color: #e2e8f0;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.8;
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.cta-box {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-box h2 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-box > p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-form {
    display: flex;
    gap: 16px;
    max-width: 500px;
    margin: 0 auto 24px;
}

.email-input {
    flex: 1;
    padding: 16px 24px;
    border: none;
    border-radius: var(--radius);
    font-size: 16px;
    background: white;
}

.cta-fine-print {
    font-size: 14px;
    opacity: 0.8;
}

/* Footer */
.footer {
    padding: 64px 0 32px;
    background: var(--dark);
    color: white;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 18px;
    margin-bottom: 16px;
}

.footer-col h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-col a {
    display: block;
    color: var(--gray-light);
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.2s;
}

.footer-col a:hover {
    color: white;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gray-light);
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

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

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

/* Responsive */
@media (max-width: 968px) {
    .hero-title {
        font-size: 48px;
    }

    .section-title {
        font-size: 36px;
    }

    .section-title-large {
        font-size: 40px;
    }

    .solution-steps {
        flex-direction: column;
    }

    .step-arrow {
        transform: rotate(90deg);
    }

    .comparison-header,
    .comparison-row {
        grid-template-columns: 1fr;
        text-align: left;
    }

    .comparison-value {
        text-align: left;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .nav-links {
        gap: 16px;
    }

    .cta-form {
        flex-direction: column;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 32px;
    }
}