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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    background-color: #ecf0f1;
}

.navbar {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 32px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 28.8px;
    font-weight: bold;
    color: #ffffff;
}

.logo i {
    font-size: 32px;
    color: #3498db;
}

.nav-menu ul {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 8px 0;
}

.nav-link:hover {
    color: #3498db;
    border-bottom: 2px solid #3498db;
}

.hero {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    color: #ffffff;
    padding: 96px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 100%;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 56px;
    margin-bottom: 16px;
    font-weight: 700;
}

.hero-content p {
    font-size: 20.8px;
    margin-bottom: 32px;
    opacity: 0.9;
}

.hero-image {
    flex: 1;
    text-align: center;
    font-size: 160px;
    opacity: 0.2;
}

.btn {
    display: inline-block;
    padding: 12.8px 32px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: #e74c3c;
    color: #ffffff;
}

.btn-primary:hover {
    background-color: #c0392b;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

.features {
    max-width: 1200px;
    margin: 64px auto;
    padding: 32px;
}

.features h2 {
    text-align: center;
    font-size: 40px;
    margin-bottom: 48px;
    color: #2c3e50;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.feature-card {
    background: #ffffff;
    padding: 32px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    font-size: 48px;
    color: #3498db;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 16px;
    color: #2c3e50;
}

.feature-card p {
    color: #7f8c8d;
    line-height: 1.8;
}

.about {
    background-color: #2c3e50;
    color: #ffffff;
    padding: 48px 32px;
    text-align: center;
    margin: 32px 0;
}

.about h2 {
    font-size: 40px;
    margin-bottom: 24px;
}

.about p {
    max-width: 800px;
    margin: 0 auto;
    font-size: 17.6px;
    line-height: 1.8;
    opacity: 0.9;
}

.footer {
    background-color: #1a252f;
    color: #ffffff;
    padding: 32px;
    text-align: center;
    margin-top: 48px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-top: 16px;
}

.footer-links a {
    color: #3498db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #ffffff;
}

@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        padding: 48px 16px;
    }

    .hero-content h1 {
        font-size: 32px;
    }

    .nav-menu ul {
        flex-direction: column;
        gap: 16px;
    }

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

    .footer-links {
        flex-direction: column;
        gap: 8px;
    }
}