.stp-search-hero {
  background: linear-gradient(135deg, #eef2ff, #f8fafc);
  border-radius: 16px;
  padding: 28px 20px;
  max-width: 720px;
  margin: 30px auto;
  box-shadow: 0 10px 30px rgba(0,0,0,0.06);
  text-align: center;
}

.stp-search-hero h2 {
  font-size: 28px;
  margin-bottom: 8px;
  color: #0f172a;
}

.stp-search-hero p {
  color: #475569;
  margin-bottom: 20px;
  font-size: 15px;
}

.stp-search-box {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.stp-search-box input {
  width: 100%;
  padding: 16px 18px;
  font-size: 16px;
  border-radius: 12px;
  border: 1px solid #c7d2fe;
  outline: none;
}

.stp-search-box input:focus {
  border-color: #6366f1;
  box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}

.stp-search-box button {
  padding: 16px;
  font-size: 16px;
  font-weight: 600;
  background: linear-gradient(135deg, #6366f1, #4f46e5);
  color: #fff;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease;
}

.stp-search-box button:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(79,70,229,0.35);
}

#stp-search-results {
  margin-top: 18px;
  text-align: left;
}

/* Desktop */
@media (min-width: 640px) {
  .stp-search-box {
    flex-direction: row;
  }

  .stp-search-box button {
    width: 180px;
  }
}