:root {
    --azul: #003566;
    --azul-vivo: #0077b6;
    --naranja: #ff8800;
    --gris: #f5f7fa;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    background: var(--gris);
    color: #333;
}

/* HERO */
.hero {
    background: linear-gradient(135deg, var(--azul), var(--azul-vivo));
    color: white;
    padding: 80px 20px;
    text-align: center;
}

.hero h1 {
    font-size: 2.4rem;
    margin-bottom: 10px;
}

.hero p {
    font-size: 1.1rem;
    margin-bottom: 25px;
}

.btn-primary {
    background: var(--naranja);
    color: white;
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 30px;
    font-weight: bold;
    border: none;
    cursor: pointer;
}

/* NAV */
.navbar {
    display: flex;
    justify-content: center;
    gap: 20px;
    background: white;
    padding: 15px;
    flex-wrap: wrap;
}

.navbar a {
    text-decoration: none;
    color: var(--azul);
    font-weight: 600;
}

/* SECTIONS */
.section {
    padding: 50px 20px;
    max-width: 1100px;
    margin: auto;
}

.section-alt {
    background: white;
}

.section h2 {
    color: var(--azul);
    text-align: center;
    margin-bottom: 30px;
}

/* SERVICES */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 20px;
}

.service-card {
    background: var(--gris);
    padding: 25px;
    border-radius: 15px;
    text-align: center;
}

/* FORM */
form {
    max-width: 500px;
    margin: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

input, textarea {
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #ccc;
    font-size: 1rem;
}

textarea {
    min-height: 120px;
}

.contact-info {
    text-align: center;
    margin-top: 25px;
}

/* FOOTER */
.footer {
    background: var(--azul);
    color: white;
    text-align: center;
    padding: 20px;
    margin-top: 40px;
}