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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
}

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

/* Header */
.header {
    background: #2c3e50;
    color: white;
    padding: 15px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

.logo {
    height: 40px;
}

.nav a {
    color: white;
    text-decoration: none;
    margin-left: 20px;
    transition: color 0.3s;
}

.nav a:hover {
    color: #3498db;
}

/* Hero */
.hero {
    background: linear-gradient(135deg, #3498db, #2c3e50);
    color: white;
    text-align: center;
    padding: 150px 20px 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.btn-cta {
    display: inline-block;
    background: #e74c3c;
    color: white;
    padding: 15px 40px;
    text-decoration: none;
    border-radius: 5px;
    font-size: 1.1rem;
    transition: transform 0.3s, background 0.3s;
}

.btn-cta:hover {
    background: #c0392b;
    transform: translateY(-2px);
}

/* Features */
.features {
    padding: 80px 20px;
    background: #f8f9fa;
}

.features h2 {
    text-align: center;
    margin-bottom: 50px;
    color: #2c3e50;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    color: #2c3e50;
}

/* Contact */
.contact {
    padding: 80px 20px;
    text-align: center;
}

.contact h2 {
    margin-bottom: 20px;
    color: #2c3e50;
}

.contact-form {
    max-width: 500px;
    margin: 30px auto 0;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

.contact-form textarea {
    resize: vertical;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 20px;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .header .container {
        flex-direction: column;
        gap: 10px;
    }
}