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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.navbar {
    background: #fff;
    border-bottom: 1px solid #e9ecef;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a73e8;
    text-decoration: none;
}

.nav-menu {
    display: flex;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: #555;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: #1a73e8;
}

.btn-nav {
    background: #1a73e8;
    color: #fff !important;
    padding: 0.5rem 1.25rem;
    border-radius: 6px;
}

.btn-nav:hover {
    background: #1557b0;
}

.hero {
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    color: #fff;
    padding: 5rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.75rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto 2rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    font-size: 1rem;
    transition: all 0.2s;
}

.btn-primary {
    background: #fff;
    color: #1a73e8;
}

.btn-primary:hover {
    background: #f0f0f0;
}

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

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

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    background: #1a73e8;
    color: #fff;
}

.btn-small:hover {
    background: #1557b0;
}

.btn-block {
    width: 100%;
}

.features {
    padding: 4rem 0;
}

.features h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2rem;
}

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

.feature-card {
    background: #fff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    text-align: center;
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: #666;
    font-size: 0.95rem;
}

.page-header {
    background: #f1f5f9;
    padding: 3rem 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.page-header p {
    color: #666;
}

.products-grid, .services-grid, .downloads-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    padding: 3rem 0;
}

.product-card, .service-card, .download-card {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    overflow: hidden;
    padding: 1.5rem;
}

.product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.product-info {
    padding-top: 1rem;
}

.product-category {
    display: inline-block;
    background: #e8f0fe;
    color: #1a73e8;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.product-version {
    display: block;
    color: #888;
    font-size: 0.9rem;
    margin: 0.5rem 0;
}

.service-card h3 {
    color: #1a73e8;
    margin-bottom: 0.75rem;
}

.service-card p {
    color: #666;
}

.download-card {
    text-align: center;
}

.download-card h3 {
    margin-bottom: 0.5rem;
}

.download-card p {
    color: #888;
    margin-bottom: 1rem;
}

.contact-section {
    padding: 3rem 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info h3 {
    color: #1a73e8;
    margin: 1.5rem 0 0.5rem;
}

.contact-form h3 {
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.65rem 0.75rem;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
}

.form-control:focus {
    outline: none;
    border-color: #1a73e8;
    box-shadow: 0 0 0 2px rgba(26,115,232,0.2);
}

.auth-section {
    display: flex;
    justify-content: center;
    padding: 4rem 0;
}

.auth-card {
    background: #fff;
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    width: 100%;
    max-width: 420px;
}

.auth-card h1 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.alert {
    padding: 0.75rem 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

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

.mt-2 {
    margin-top: 1rem;
}

.footer {
    background: #1a1a2e;
    color: #ccc;
    padding: 3rem 0 1rem;
}

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

.footer h3, .footer h4 {
    color: #fff;
    margin-bottom: 1rem;
}

.footer ul {
    list-style: none;
}

.footer ul li {
    margin-bottom: 0.5rem;
}

.footer a {
    color: #aaa;
    text-decoration: none;
}

.footer a:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 1rem;
    text-align: center;
    font-size: 0.9rem;
}