/* =========================
   GLOBAL
========================= */
body {
  font-family: Arial, sans-serif;
}

a {
  text-decoration: none;
}

/* =========================
   CONTAINER
========================= */
.home-container {
  max-width: 1100px;
  margin: auto;
  padding: 20px;
}

/* =========================
   HERO
========================= */
.hero {
  text-align: center;
  padding: 40px 20px;
}

/* =========================
   CATEGORY CARDS
========================= */
.categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px,1fr));
  gap: 20px;
}

.cat-card {
  background: #fff;
  padding: 20px;
  border: 1px solid #eee;
  border-radius: 8px;
}

/* =========================
   POPULAR GRID
========================= */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px,1fr));
  gap: 15px;
}

.card {
  background: #f5f5f5;
  padding: 15px;
  text-align: center;
  border-radius: 6px;
}

.card:hover {
  background: #0073e6;
  color: #fff;
}

/* =========================
   CALCULATOR UI
========================= */
.calc-box {
  border: 1px solid #eee;
  padding: 20px;
  border-radius: 8px;
  max-width: 400px;
}

.field {
  margin-bottom: 10px;
}

.field input,
.field select {
  width: 100%;
  padding: 8px;
}

.calc-btn {
  width: 100%;
  padding: 10px;
  background: #0073e6;
  color: #fff;
  border: none;
  cursor: pointer;
}

.result {
  margin-top: 15px;
  font-weight: bold;
}

/* =========================
   GOAL RESULTS
========================= */
.goal-results {
  margin-top: 15px;
  padding: 10px;
  background: #f9f9f9;
  border-radius: 6px;
}

/* =========================
   NAVIGATION (FIXED)
========================= */
.main-navigation .main-nav ul ul {
  min-width: 220px;
  max-width: 280px;
  padding: 8px 0;
  background: #fff;
  box-shadow: 0 8px 20px rgba(0,0,0,0.08);
  border-radius: 6px;
}

.main-navigation .main-nav ul ul li a {
  padding: 8px 14px;
  display: block;
}

.main-navigation .main-nav ul ul li a:hover {
  background: #f5f5f5;
}

/* =========================
   MOBILE
========================= */
@media (max-width: 768px) {
  .categories {
    grid-template-columns: 1fr;
  }
}