body {
  margin: 0;
  font-family: "B Nazanin", sans-serif;
  background: #f6f6f6;
  color: #222;
}

/* HERO */
.hero {
  text-align: center;
  padding: 60px 20px;
  background: linear-gradient(90deg, #ffcc00, #00c853, #aa00ff, #ff1744);
  color: white;
}

.logo {
  width: 90px;
  height: 90px;
  object-fit: contain;
  margin-bottom: 10px;
}

.hero h1 {
  margin: 10px 0;
  font-size: 38px;
}

.hero h2 {
  margin: 5px 0;
  font-weight: normal;
}

.slogan {
  margin-top: 10px;
  font-size: 18px;
}

.btn {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 25px;
  background: white;
  color: black;
  border-radius: 10px;
  text-decoration: none;
  font-weight: bold;
}

/* INTRO */
.intro {
  padding: 40px 20px;
  max-width: 900px;
  margin: auto;
}

.card {
  background: white;
  padding: 20px;
  margin: 15px 0;
  border-radius: 12px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.08);
}

/* FORM */
.form-section {
  max-width: 900px;
  margin: auto;
  padding: 40px 20px;
}

form {
  background: white;
  padding: 25px;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

label {
  display: block;
  margin-top: 20px;
  font-weight: bold;
}

input, select, textarea {
  width: 100%;
  padding: 12px;
  margin-top: 8px;
  border: 1px solid #ddd;
  border-radius: 10px;
  font-family: inherit;
}

/* OPTIONS */
.options {
  margin-top: 10px;
}

.options label {
  display: block;
  background: #f1f1f1;
  padding: 10px;
  margin: 8px 0;
  border-radius: 10px;
  cursor: pointer;
}

.options input {
  width: auto;
  margin-left: 8px;
}

/* GRID RADIO */
.grid {
  display: grid;
  grid-template-columns: 1fr;
}

/* BUTTON */
button {
  margin-top: 30px;
  width: 100%;
  padding: 15px;
  background: #00c853;
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 16px;
  cursor: pointer;
}

/* RATING */
.rating-box {
  margin-top: 10px;
  background: #f9f9f9;
  padding: 15px;
  border-radius: 12px;
}

/* FOOTER */
footer {
  text-align: center;
  padding: 25px;
  background: #222;
  color: white;
  margin-top: 40px;
}

/* MOBILE */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 28px;
  }

  form {
    padding: 15px;
  }
}