/* ============================
   CSS Variables for Consistency
   ============================ */
:root {
  --primary-color: #007BFF;
  --primary-hover: #0056b3;
  --background-color: #f8f9fa;
  --container-bg: #fff;
  --text-color: #333;
  --border-color: #ccc;
  --shadow: 0 0 10px rgba(0,0,0,0.1);
  --radius: 5px;
  --font-main: 'Montserrat', sans-serif;
  --transition: background 0.3s, color 0.3s, border 0.3s;
  --max-width: 900px;
}

/* ===================
   Base Styles & Layout
   =================== */
body {
  font-family: var(--font-main);
  background-color: var(--background-color);
  color: var(--text-color);
  margin: 0;
  padding: 20px;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  background: var(--container-bg);
  padding: 30px;
  box-shadow: var(--shadow);
  border-radius: var(--radius);
}

h1, h2 {
  text-align: center;
  color: var(--text-color);
  margin-top: 0;
}

h3 {
  margin-top: 1.5em;
  margin-bottom: 0.5em;
}

fieldset {
  border: none;
  padding: 0;
  margin-bottom: 30px;
}

/* =====================
   Form Elements & Inputs
   ===================== */
input[type="text"],
input[type="email"],
input[type="tel"] {
  width: 100%;
  padding: 10px;
  margin-top: 10px;
  margin-bottom: 15px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-size: 1rem;
  transition: var(--transition);
  background: #fafbfc;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus {
  outline: 2px solid var(--primary-color);
  border-color: var(--primary-color);
  background: #fff;
}

/* ======================
   Question & Rating Items
   ====================== */
.question {
  margin-bottom: 20px;
  padding-bottom: 8px;
}

.question p {
  font-weight: bold;
}

.rating {
  display: flex;
  justify-content: space-between;
  margin-top: 5px;
  gap: 10px;
}

.rating label {
  margin-right: 10px;
  cursor: pointer;
  user-select: none;
}

.rating input[type="radio"] {
  accent-color: var(--primary-color);
}

/* ==================
   Button Styles
   ================== */
button {
  background-color: var(--primary-color);
  color: #fff;
  border: none;
  padding: 15px 30px;
  border-radius: var(--radius);
  font-size: 16px;
  cursor: pointer;
  display: block;
  margin: 30px auto 0;
  transition: var(--transition);
  will-change: background-color;
}

button:hover,
button:focus {
  background-color: var(--primary-hover);
  outline: 2px solid var(--primary-hover);
}

button:active {
  background-color: #003e7e;
}

/* ==================
   Results & Feedback
   ================== */
#result {
  text-align: center;
  margin-top: 30px;
}

[aria-live] {
  outline: none;
}

/* ===========================
   Responsive Layout - Tablets
   =========================== */
@media (max-width: 1024px) {
  .container {
    max-width: 98vw;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 20px;
  }

  input[type="text"],
  input[type="email"],
  input[type="tel"] {
    font-size: 16px;
    padding: 12px;
  }

  .rating {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
  }

  .rating label {
    margin-bottom: 8px;
    margin-right: 0;
  }

  button {
    width: 100%;
    font-size: 18px;
  }
}

/* =========================
   Responsive Layout - Mobile
   ========================= */
@media (max-width: 480px) {
  h1, h2 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.2rem;
  }

  p {
    font-size: 1rem;
  }

  .question {
    padding-bottom: 15px;
  }

  .container {
    padding: 10px;
  }
}

/* ==============
   Print Styles
   ============== */
@media print {
  body, .container {
    background: #fff !important;
    color: #000 !important;
    box-shadow: none !important;
  }
  button,
  nav,
  footer,
  #result {
    display: none !important;
  }
  input, textarea, select {
    border: 1px solid #000 !important;
    background: #fff !important;
    color: #000 !important;
  }
}

/* ====================
   Utility & A11y Styles
   ==================== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

::-webkit-input-placeholder { color: #aaa; }
::-moz-placeholder { color: #aaa; }
:-ms-input-placeholder { color: #aaa; }
::placeholder { color: #aaa; }
```