/* =========================================
   ESTILOS DEL SITIO WEB - SP25008
   ========================================= */

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

body {
    font-family: "Segoe UI", Arial, sans-serif;
    background: #f4f7fb;
    color: #263238;
    line-height: 1.6;
}

/* ===== ENCABEZADO ===== */

header {
    background: linear-gradient(135deg, #1565c0, #42a5f5);
    color: white;
    text-align: center;
    padding: 45px 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

header h1 {
    font-size: 36px;
    margin-bottom: 10px;
}

header p {
    font-size: 18px;
    margin: 4px 0;
}

/* ===== CONTENIDO PRINCIPAL ===== */

main {
    max-width: 1100px;
    margin: 35px auto;
    padding: 0 20px;
}

/* ===== SECCIONES ===== */

section {
    background: white;
    margin-bottom: 25px;
    padding: 25px 30px;
    border-radius: 14px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

section h2 {
    color: #1565c0;
    font-size: 25px;
    margin-bottom: 18px;
    border-bottom: 3px solid #42a5f5;
    padding-bottom: 8px;
}

section h3 {
    color: #37474f;
    margin-top: 18px;
    margin-bottom: 8px;
}

/* ===== ENLACES ===== */

a {
    display: inline-block;
    background: #e3f2fd;
    color: #1565c0;
    text-decoration: none;
    padding: 9px 15px;
    margin: 5px 0;
    border-radius: 8px;
    font-weight: 600;
    transition: 0.3s;
}

a:hover {
    background: #1565c0;
    color: white;
    transform: translateX(5px);
}

/* ===== PÁRRAFOS ===== */

p {
    margin: 8px 0;
}

/* ===== DATOS PERSONALES ===== */

section:first-of-type p {
    padding: 7px 12px;
    background: #f5f9ff;
    border-left: 4px solid #42a5f5;
    border-radius: 5px;
}

/* ===== CONCLUSIONES ===== */

section:last-of-type {
    border-top: 5px solid #1565c0;
}

section:last-of-type p {
    text-align: justify;
    margin-bottom: 12px;
}

/* ===== PIE DE PÁGINA ===== */

footer {
    background: #263238;
    color: white;
    text-align: center;
    padding: 22px;
    margin-top: 40px;
}

footer p {
    margin: 0;
    font-size: 15px;
}

/* ===== DISEÑO RESPONSIVO ===== */

@media (max-width: 700px) {

    header h1 {
        font-size: 28px;
    }

    header p {
        font-size: 16px;
    }

    section {
        padding: 20px;
    }

    section h2 {
        font-size: 21px;
    }
}