diff --git a/service/csvService.js b/service/csvService.js
index 28e15ac..6017e34 100644
--- a/service/csvService.js
+++ b/service/csvService.js
@@ -132,8 +132,9 @@ function hasAddressOrNumberHeader(headers) {
 }
 
 function hasGeoHeaders(headers) {
-  return hasHeaderAlias(headers, ['latitude', 'lat'])
-    && hasHeaderAlias(headers, ['longitude', 'long', 'lng', 'lon']);
+  const norm = headers.map(normalizeHeader);
+  return norm.some(h => /\blat(itude)?\b/.test(h))
+      && norm.some(h => /\blo?n[g]?(itude)?\b/.test(h));
 }
 
 function findHeaderRowIndex(rows) {
@@ -152,8 +153,10 @@ function resolveColumnIndexes(headers) {
     idxCep: findFirstHeaderIndex(headers, header => /\bcep\b/.test(header) || header === 'codigo postal'),
     idxNumero: exactIndex(['numero', 'número', 'num', 'nº', 'n°']),
     idxEndereco: findFirstHeaderIndex(headers, header => header.includes('endereco') || header.includes('logradouro')),
-    idxLatitude: exactIndex(['latitude', 'lat']),
-    idxLongitude: exactIndex(['longitude', 'long', 'lng', 'lon'])
+    // Antes: exactIndex(['latitude', 'lat'])
+   idxLatitude:  findFirstHeaderIndex(headers, header => /\blat(itude)?\b/.test(header)),
+    // Antes: exactIndex(['longitude', 'long', 'lng', 'lon'])
+    idxLongitude: findFirstHeaderIndex(headers, header => /\blo?n[g]?(itude)?\b/.test(header)),
   };
 }
 
@@ -187,7 +190,20 @@ function buildCepPayload(cols, indexes) {
 }
 
 function parseCoordinate(value) {
-  const parsed = parseFloat(String(value ?? '').trim().replace(',', '.'));
+  const str = String(value ?? '')
+    .replace(/[\u00A0\u202F\u2000-\u200B\u3000]/g, '') // Bug 2: remove non-breaking spaces
+    .trim()
+    .replace(',', '.');
+
+  // Bug 3: converte DMS "17 38 18.80 S" → -17.638556
+  const dms = str.match(/^(\d+)[°\s]+(\d+)['\s]+(\d+(?:\.\d+)?)["\s]*([NSEW])?$/i);
+  if (dms) {
+    const decimal = parseFloat(dms[1]) + parseFloat(dms[2]) / 60 + parseFloat(dms[3]) / 3600;
+    const negative = /[SW]/i.test(dms[4] ?? '');
+    return negative ? -decimal : decimal;
+  }
+
+  const parsed = parseFloat(str);
   return Number.isFinite(parsed) ? parsed : NaN;
 }
 
diff --git a/service/viabilidadeService.js b/service/viabilidadeService.js
index 8a14fe8..560b99b 100644
--- a/service/viabilidadeService.js
+++ b/service/viabilidadeService.js
@@ -105,8 +105,8 @@ function hasAddressOrNumberHeader(headers) {
 }
 
 function hasGeoHeaders(headers) {
-  return hasHeader(headers, ['latitude', 'lat'])
-    && hasHeader(headers, ['longitude', 'long', 'lng', 'lon']);
+  return headers.some(h => /\blat(itude)?\b/.test(h))
+      && headers.some(h => /\blo?n[g]?(itude)?\b/.test(h));
 }
 
 async function consultarViabilidade(data) {