/* Reseteo básico y tipografía */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background-color: #f9fbfd;
    color: #333;
}

/* Menú de navegación */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 8%;
    background-color: #ffffff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .logo {
    font-weight: 600;
    font-size: 24px;
    color: #2d3748;
}

.navbar nav a {
    margin-left: 20px;
    text-decoration: none;
    color: #4a5568;
    transition: color 0.3s;
}

.navbar nav a:hover {
    color: #3182ce;
}

/* Sección Hero (Principal) */
.hero {
    height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, #ebf8ff 0%, #bee3f8 100%);
    padding: 0 20px;
}

.hero-content h1 {
    font-size: 42px;
    color: #2b6cb0;
    margin-bottom: 15px;
}

.hero-content p {
    font-size: 18px;
    color: #4a5568;
    max-width: 600px;
    margin: 0 auto 30px auto;
}

.btn-principal {
    padding: 12px 30px;
    background-color: #3182ce;
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: background 0.3s;
}

.btn-principal:hover {
    background-color: #2b6cb0;
}

/* Sección de Servicios (Tarjetas) */
.servicios {
    padding: 60px 8%;
    text-align: center;
}

.servicios h2 {
    margin-bottom: 40px;
    color: #2d3748;
}

.tarjetas-container {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.tarjeta {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
    width: 300px;
    border: 1px solid #e2e8f0;
    transition: transform 0.3s;
}

.tarjeta:hover {
    transform: translateY(-5px);
}

.tarjeta h3 {
    margin-bottom: 15px;
    color: #2b6cb0;
}

.tarjeta p {
    color: #718096;
    font-size: 14px;
    line-height: 1.6;
}