/* === GLOBAL === */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Poppins', sans-serif;
  background-color: #121212;
  color: #f5f5f5;
  line-height: 1.6;
}

a {
  color: #ff9800;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: auto;
  padding: 40px 0;
}

/* === HEADER === */
.site-header {
  background: linear-gradient(135deg, #1e1e1e, #2b2b2b);
  padding: 60px 0;
  text-align: center;
  box-shadow: 0 4px 8px rgba(0,0,0,0.6);
}

.site-header h1 {
  font-size: 3rem;
  color: #ff9800;
  margin-bottom: 10px;
}

.site-header p {
  font-size: 1.2rem;
  color: #ccc;
}

/* === NAVIGATION === */
.main-nav {
  background-color: #1c1c1c;
  box-shadow: inset 0 -1px 0 #333;
}

.main-nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}

.main-nav li {
  margin: 0 20px;
}

.main-nav a {
  display: block;
  padding: 15px 10px;
  color: #fff;
  transition: color 0.3s;
}

.main-nav a:hover {
  color: #ff9800;
}

/* === HERO === */
.hero {
  background: url('../images/keller01.jpg') center/cover no-repeat;
  padding: 140px 20px;
  text-align: center;
  color: white;
  box-shadow: inset 0 0 0 1000px rgba(0,0,0,0.4);
}

.hero h2 {
  font-size: 2.4rem;
  margin-bottom: 10px;
}

.hero p {
  font-size: 1.1rem;
}

/* === PRODUCTS === */
.catalog-iframe {
  width: 100%;
  height: 900px;
  border: none;
  margin-top: 20px;
}

/* === BRANDS === */
.brand-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  gap: 30px;
  margin-top: 20px;
}

.brand {
  background-color: #1e1e1e;
  border-radius: 12px;
  padding: 20px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
  flex: 1 1 250px;
  transition: transform 0.3s ease;
}

.brand:hover {
  transform: scale(1.05);
}

.brand img {
  max-height: 80px;
  margin-bottom: 15px;
}

/* === SERVICES & CONTACT === */
.services ul,
.contact p {
  margin: 15px 0;
}

section img.full-width {
  width: 100%;
  border-radius: 10px;
  margin-top: 30px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.6);
}

/* === FOOTER === */
.site-footer {
  background-color: #1c1c1c;
  color: #aaa;
  text-align: center;
  padding: 20px 0;
  font-size: 0.9rem;
  margin-top: 40px;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .main-nav ul {
    flex-direction: column;
  }
  .brand-logos {
    flex-direction: column;
    align-items: center;
  }
}