:root {
    --primary-color: #009999;
    --primary-hover: #3a56d4;
    --text-color: #2d3748;
    --text-light: #718096;
    --background: #ffffff;
    --background-alt: #f7fafc;
    --border-radius: 8px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --transition: all 0.3s ease;
}

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

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    background-color: var(--background);
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
}

.dba {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-left: 8px;
    font-weight: 400;
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

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

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

.btn.large {
    padding: 12px 28px;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background-color: var(--background-alt);
    margin-top: 70px;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 40px;
}

.hero-content {
    flex: 1;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 30px;
    max-width: 600px;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.keyboard-placeholder {
    width: 100%;
    height: 300px;
    background-color: #e2e8f0;
    border-radius: var(--border-radius);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-light);
    font-weight: 500;
    box-shadow: var(--shadow);
}

/* About Section */
.about {
    padding: 80px 0;
    background-color: var(--background);
}

.about h2 {
    text-align: center;
    margin-bottom: 30px;
    font-size: 2rem;
}

.about p {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.8;
}

/* CTA Section */
.cta {
    padding: 80px 0;
    background-color: var(--background-alt);
    text-align: center;
}

.cta h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.cta p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
footer {
    background-color: #2d3748;
    color: white;
    padding: 40px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 30px;
}

.footer-logo h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.footer-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-links a {
    color: #cbd5e0;
    text-decoration: none;
    transition: var(--transition);
}

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

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #4a5568;
    color: #a0aec0;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }

    .hero h2 {
        font-size: 2rem;
    }

    .hero p,
    .cta p {
        font-size: 1rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 20px;
    }

    .footer-links {
        flex-direction: column;
        gap: 10px;
    }

    .keyboard-placeholder {
        height: 200px;
    }

    .about-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
}

/* Logo Styles */
.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    color: var(--primary-color);
}