body {
  margin: 0;
  font-family: 'Roboto', sans-serif;
  background-color: #f4f4f4;
  color: #333;
  line-height: 1.6;
}

a {
  color: #007bff;
  text-decoration: none;
}

h1, h2 {
  font-weight: 700;
}

header.hero {
  background: url('https://cdn.pixabay.com/photo/2016/02/19/10/00/industry-1209392_1280.jpg') center center/cover no-repeat;
  position: relative;
  color: white;
  text-align: center;
  padding: 100px 20px;
}

header.hero::before {
  content: "";
  background: rgba(0,0,0,0.5);
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.btn {
  display: inline-block;
  margin-top: 20px;
  background: #007bff;
  color: white;
  padding: 10px 20px;
  border-radius: 5px;
  text-transform: uppercase;
}

section {
  padding: 50px 20px;
  max-width: 1000px;
  margin: 0 auto;
}

.section-light {
  background-color: #ffffff;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0,0,0,0.05);
}

.about-content {
  display: flex;
  gap: 30px;
  align-items: center;
  flex-wrap: wrap;
}

.about-content img {
  border-radius: 10px;
  width: 200px;
  height: 200px;
  object-fit: cover;
}

.service-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  margin-top: 30px;
}

.service-box {
  background: white;
  padding: 25px;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 0 10px rgba(0,0,0,0.05);
  flex: 1 1 300px;
}

.service-box img {
  width: 60px;
  height: 60px;
  margin-bottom: 15px;
}

.service-box h3 {
  color: #007bff;
  margin-bottom: 15px;
}

.service-box ul {
  list-style: none;
  padding-left: 0;
  text-align: left;
  font-size: 0.95em;
}

.service-box ul li {
  padding: 6px 0;
  border-bottom: 1px solid #eee;
}

.service-box ul li:last-child {
  border-bottom: none;
}

/* FIXED: class selector */
.service-columns {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  margin-top: 30px;
}

.column {
  background: white;
  padding: 20px;
  flex: 1 1 300px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0,0,0,0.05);
}

.column h3 {
  margin-top: 0;
  color: #007bff;
}

.column ul {
  list-style: none;
  padding-left: 0;
}

.column ul li {
  padding: 8px 0;
  border-bottom: 1px solid #eee;
  font-size: 0.95em;
}

.column ul li:last-child {
  border-bottom: none;
}

form {
  background: white;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 0 8px rgba(0,0,0,0.1);
  display: flex;
  flex-direction: column;
}

form label {
  margin-top: 15px;
}

form input, form textarea {
  margin-top: 5px;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
}

form button {
  margin-top: 20px;
  padding: 10px;
  background: #007bff;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

#consent-container {
  background: #fff;
  padding: 20px;
  border: 2px solid #007bff;
  border-radius: 8px;
  margin-bottom: 20px;
  text-align: center;
}

#consent-container label {
  display: block;
  margin: 15px 0;
}

#show-contact {
  background: #007bff;
  color: white;
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

footer {
  text-align: center;
  padding: 20px;
  background: #343a40;
  color: white;
}

/* Improvements */
html { scroll-behavior: smooth; }

.btn, form button, #show-contact {
  transition: transform 0.05s ease, opacity 0.2s ease;
}

.btn:hover, form button:hover, #show-contact:hover { opacity: 0.95; }
.btn:active, form button:active, #show-contact:active { transform: translateY(1px); }

a:focus, button:focus, input:focus, textarea:focus {
  outline: 3px solid rgba(0, 123, 255, 0.35);
  outline-offset: 2px;
}

@media (max-width: 700px) {
  header.hero { padding: 70px 16px; }
  .about-content { gap: 16px; }
  .about-content img { width: 140px; height: 140px; }
  .service-grid { gap: 16px; }
  form { padding: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, form button, #show-contact { transition: none; }
}