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

:root {
    --primary: #000000;
    --primary-dark: #1a1a1a;
    --secondary: #333333;
    --text-dark: #000000;
    --text-light: #666666;
    --bg-light: #f5f5f5;
    --bg-white: #ffffff;
    --border: #e0e0e0;
    --success: #000000;
    --error: #000000;
    --accent: #ffffff;
}

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

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    padding: 16px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
}

/* Buttons */
.btn-primary, .btn-secondary {
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 16px;
}

.btn-primary {
    background: #000000;
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    background: #1a1a1a;
}

.btn-secondary {
    background: transparent;
    color: #000000;
    border: 2px solid #000000;
}

.btn-secondary:hover {
    background: #000000;
    color: white;
}

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

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

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 0, 0, 0.03) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.badge {
    display: inline-block;
    padding: 8px 16px;
    background: #000000;
    color: white;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.gradient-text {
    color: #000000;
    position: relative;
}

.gradient-text::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: #000000;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto 40px;
}

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

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

.stat {
    text-align: center;
}

.stat-number {
    font-size: 36px;
    font-weight: 800;
    color: #000000;
}

.stat-label {
    font-size: 14px;
    color: var(--text-light);
    margin-top: 4px;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--bg-white);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
}

.section-header p {
    font-size: 18px;
    color: var(--text-light);
}

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

.feature-card {
    padding: 32px;
    background: var(--bg-light);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

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

.feature-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* How It Works */
.how-it-works {
    padding: 100px 0;
    background: #000000;
    color: white;
}

.how-it-works .section-header h2,
.how-it-works .section-header p {
    color: white;
}

.steps {
    display: flex;
    gap: 40px;
    justify-content: center;
    flex-wrap: wrap;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 800;
    margin: 0 auto 24px;
}

.step-content h3 {
    font-size: 24px;
    margin-bottom: 12px;
}

.step-content p {
    opacity: 0.9;
    line-height: 1.7;
}

/* Use Cases */
.use-cases {
    padding: 100px 0;
    background: var(--bg-light);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
}

.use-case {
    text-align: center;
    padding: 32px;
    background: white;
    border-radius: 16px;
    transition: all 0.3s ease;
}

.use-case:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.use-case-icon {
    font-size: 56px;
    margin-bottom: 16px;
}

.use-case h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.use-case p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Waitlist Section */
.waitlist {
    padding: 100px 0;
    background: var(--bg-white);
}

.waitlist-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.waitlist-content h2 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
}

.waitlist-content > p {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 32px;
}

.waitlist-form {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.waitlist-form input {
    flex: 1;
    padding: 16px 20px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
}

.waitlist-form input:focus {
    outline: none;
    border-color: #000000;
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
}

.form-message {
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-weight: 600;
    display: none;
    white-space: pre-line;
    text-align: left;
}

.form-message.success {
    background: #f0f0f0;
    color: #000000;
    display: block;
    border: 2px solid #000000;
}

.form-message.error {
    background: #f0f0f0;
    color: #000000;
    display: block;
    border: 2px solid #000000;
}

.privacy-note {
    font-size: 14px;
    color: var(--text-light);
}

/* Footer */
.footer {
    padding: 60px 0 30px;
    background: var(--text-dark);
    color: white;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 60px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .logo {
    color: white;
    margin-bottom: 16px;
}

.footer-brand p {
    opacity: 0.8;
    line-height: 1.7;
}

.footer-links {
    display: flex;
    gap: 60px;
    flex-wrap: wrap;
}

.footer-column h4 {
    margin-bottom: 16px;
    font-size: 16px;
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.6;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .section-header h2 {
        font-size: 32px;
    }
    
    .waitlist-form {
        flex-direction: column;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 40px;
    }
}

/* Document Showcase */
.document-showcase {
    margin: 60px 0;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.doc-preview {
    width: 140px;
    height: 180px;
    background: white;
    border: 2px solid #000000;
    border-radius: 8px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 4px 4px 0 #000000;
}

.doc-preview:hover {
    transform: translateY(-8px);
    box-shadow: 8px 8px 0 #000000;
}

.doc-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.doc-label {
    font-size: 12px;
    font-weight: 600;
    color: #000000;
    text-align: center;
}

.doc-lines {
    width: 100%;
    margin-top: 8px;
}

.doc-line {
    height: 3px;
    background: #000000;
    margin: 4px 0;
    border-radius: 2px;
}

.doc-line:nth-child(1) {
    width: 100%;
}

.doc-line:nth-child(2) {
    width: 80%;
}

.doc-line:nth-child(3) {
    width: 60%;
}

@media (max-width: 768px) {
    .document-showcase {
        gap: 16px;
    }
    
    .doc-preview {
        width: 120px;
        height: 160px;
    }
}