/* =========================================
   BASE — Mobile First Reset
   ========================================= */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  background-color: #f4f7f6;
  color: #333;
}

/* =========================================
   FORM CONTAINER
   ========================================= */
.form-container {
  width: 95%;
  max-width: 480px; /* Default for mobile */
  padding: 20px;
  margin: 30px auto;
  background: #ffffff;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* =========================================
   GRID SYSTEM
   ========================================= */
.form-grid {
  display: grid;
  grid-template-columns: 1fr; /* Single column for mobile */
  gap: 15px;
}

/* =========================================
   FORM ELEMENTS
   ========================================= */
.form-container label {
  margin-bottom: 5px;
  font-weight: 600;
  display: block;
  font-size: 0.9rem;
}

.form-container input,
.form-container select,
.form-container textarea {
  width: 100%;
  padding: 12px;
  font-size: 1rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  display: block;
  background: #fff;
}

.full-width {
  grid-column: span 1; /* Default for mobile */
}

/* =========================================
   BUTTON STYLING
   ========================================= */
.form-container button {
  width: 100%;
  padding: 15px;
  background: #1d72b8;
  color: white;
  border: none;
  border-radius: 5px;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  margin-top: 20px;
  transition: background 0.3s ease;
}

.form-container button:hover {
  background: #155d8a;
}

/* =========================================
   RESPONSIVE - TABLETS & LAPTOPS
   ========================================= */
@media (min-width: 768px) {
  .form-container {
    max-width: 900px; /* Expanded for larger screens */
    padding: 40px;
  }

  .form-grid {
    grid-template-columns: 1fr 1fr 1fr; /* 3-column layout */
    gap: 20px;
  }

  .full-width {
    grid-column: span 3; /* Spans all 3 columns */
  }
}

/* Adjustments for small phones */
@media (max-width: 480px) {
  body {
    font-size: 15px;
  }
  .form-container {
    padding: 15px;
  }
}