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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    color: #64748b;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo img {
    height: 1.5em;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: #64748b;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #2563eb;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 8rem 0 4rem;
    text-align: center;
    margin-top: 70px;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

/* Coming Soon Badge */
.coming-soon-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    opacity: 0.9;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.launch-info {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    font-weight: 600;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.btn-primary {
    background: #fff;
    color: #2563eb;
}

.btn-primary:hover {
    background: #f8fafc;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border-color: #fff;
}

.btn-secondary:hover {
    background: #fff;
    color: #2563eb;
}

/* Features Section */
.features {
    padding: 4rem 0;
    background: #f8fafc;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1e293b;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.feature-card h3 {
    color: #2563eb;
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: #64748b;
    line-height: 1.6;
}

/* About Section */
.about {
    padding: 4rem 0;
}

.about h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1e293b;
}

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

.benefits-list {
    list-style: none;
    margin: 2rem 0;
}

.benefits-list li {
    padding: 0.75rem 0;
    font-size: 1.1rem;
    color: #475569;
    position: relative;
}

.benefits-list li:before {
    content: "✓";
    color: #22c55e;
    font-weight: bold;
    margin-right: 0.75rem;
}

.about-description {
    font-size: 1.1rem;
    color: #64748b;
    margin-top: 2rem;
}

/* Tech Section */
.tech {
    padding: 4rem 0;
    background: #f8fafc;
}

.tech h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1e293b;
}

.tech-stack {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.tech-item {
    text-align: center;
    padding: 1.5rem;
}

.tech-item h4 {
    color: #2563eb;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.tech-item p {
    color: #64748b;
}

/* Beta Signup Section */
.beta-signup {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

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

.beta-signup h2 {
    font-size: 2.5rem;
    color: #1e293b;
    margin-bottom: 1rem;
}

.signup-description {
    font-size: 1.2rem;
    color: #64748b;
    margin-bottom: 3rem;
    line-height: 1.6;
}

.beta-form {
    background: white;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    margin-bottom: 3rem;
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.checkbox-group label {
    font-size: 0.95rem;
    color: #64748b;
    line-height: 1.5;
    cursor: pointer;
}

.btn-large {
    padding: 1rem 3rem;
    font-size: 1.1rem;
    width: 100%;
    border: none;
    cursor: pointer;
    margin-top: 1rem;
}

.beta-benefits {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    text-align: left;
}

.beta-benefits h3 {
    color: #1e293b;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.beta-benefits ul {
    list-style: none;
    padding: 0;
}

.beta-benefits li {
    padding: 0.75rem 0;
    font-size: 1.1rem;
    color: #475569;
    display: flex;
    align-items: center;
}

.success-message {
    text-align: center;
    padding: 2rem;
}

.success-message h3 {
    color: #22c55e;
    font-size: 2rem;
    margin-bottom: 1rem;
}

.success-message p {
    font-size: 1.1rem;
    color: #64748b;
    margin-bottom: 1rem;
}

.next-steps {
    background: #f0f9ff;
    padding: 2rem;
    border-radius: 12px;
    margin-top: 2rem;
    border: 1px solid #e0f2fe;
}

.next-steps h4 {
    color: #0284c7;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.next-steps ul {
    list-style: none;
    padding: 0;
    text-align: left;
}

.next-steps li {
    padding: 0.5rem 0;
    color: #475569;
    font-size: 1rem;
}

/* Footer */
footer {
    background: #1e293b;
    color: #fff;
    padding: 3rem 0;
    text-align: center;
}

footer h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

footer p {
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.footer-note {
    margin-top: 2rem;
    opacity: 0.7;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero {
        padding: 6rem 0 3rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .launch-info {
        font-size: 1rem;
    }
    
    .coming-soon-badge {
        font-size: 0.8rem;
        padding: 0.4rem 1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 200px;
        text-align: center;
    }
    
    .nav-links {
        display: none;
    }
    
    .features h2,
    .about h2,
    .tech h2,
    .beta-signup h2 {
        font-size: 2rem;
    }
    
    .beta-form {
        padding: 2rem 1.5rem;
    }
    
    .signup-description {
        font-size: 1.1rem;
    }
    
    .beta-benefits {
        padding: 2rem 1.5rem;
    }
    
    .checkbox-group {
        align-items: flex-start;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 0.875rem;
        font-size: 0.95rem;
    }
}