* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    line-height: 1.6;
    color: #333;
}

header {
    background: #232f3e;
    color: white;
    padding: 1rem 5%;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li a {
    color: white;
    text-decoration: none;
    margin-left: 20px;
}

.hero {
    height: 100vh;
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), 
                url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

#cta-button {
    background: #ff9900;
    border: none;
    padding: 12px 30px;
    font-size: 1.2rem;
    color: white;
    cursor: pointer;
    border-radius: 5px;
    margin-top: 20px;
    transition: 0.3s;
}

#cta-button:hover {
    background: #e68a00;
}

#servicios {
    padding: 80px 5%;
    text-align: center;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.card {
    padding: 30px;
    border: 1px solid #ddd;
    border-radius: 8px;
    transition: transform 0.3s;
}

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

footer {
    background: #232f3e;
    color: white;
    text-align: center;
    padding: 20px;
}