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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: #000000;
  color: #ffffff;
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 1rem 0;
  border-bottom: 1px solid #333;
}

.nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo-placeholder {
  width: 80px;
  height: 80px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-menu a {
  color: #cccccc;
  text-decoration: none;
  font-weight: 400;
  transition: color 0.3s ease;
  position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: #ffffff;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: #ffffff;
  transition: width 0.3s ease;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(135deg, #000000 0%, #1a1a1a 100%);
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('Background SITAplan.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.1;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 0 20px;
}

.hero-title {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 300;
  margin-bottom: 1rem;
  letter-spacing: -0.03em;
}

.hero-text {
  margin-top: 2rem;
}

.hero-motto {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: #ffffff;
}

.hero-promise {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: #999999;
  font-weight: 300;
}

/* Sections */
.section {
  padding: 5rem 0;
}

.section-alt {
  background-color: #0a0a0a;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 300;
  text-align: center;
  margin-bottom: 3rem;
  letter-spacing: -0.02em;
}

/* About Section */
.about-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about-content p {
  font-size: 1.1rem;
  color: #cccccc;
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.service-card {
  background-color: #111111;
  padding: 2rem;
  border-radius: 8px;
  border: 1px solid #222222;
  transition: all 0.3s ease;
}

.service-card:hover {
  background-color: #151515;
  border-color: #333333;
  transform: translateY(-5px);
}

.service-card h3 {
  font-size: 1.3rem;
  font-weight: 500;
  margin-bottom: 1rem;
  color: #ffffff;
}

.service-card p {
  color: #cccccc;
  line-height: 1.6;
}

/* References Section */
.reference-category {
  margin-bottom: 4rem;
}

.category-title {
  font-size: 1.8rem;
  font-weight: 400;
  margin-bottom: 2rem;
  color: #ffffff;
  border-bottom: 1px solid #333333;
  padding-bottom: 0.5rem;
}

.reference-list {
  display: grid;
  gap: 1.5rem;
}

.reference-item {
  background-color: #0a0a0a;
  padding: 1.5rem;
  border-radius: 8px;
  border-left: 3px solid #333333;
  transition: all 0.3s ease;
  position: relative;
}

.reference-item:hover {
  border-left-color: #ffffff;
  background-color: #111111;
}

.reference-item h4 {
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: #ffffff;
}

.reference-item p {
  color: #cccccc;
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.reference-year {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 0.9rem;
  color: #666666;
  font-weight: 500;
}

/* Clients/Logos Section */
.clients-section {
  margin-top: 6rem;
  text-align: center;
  border-top: 1px solid #333;
  padding-top: 4rem;
}

.clients-title {
  color: #ffffff;
  font-size: 1.5rem;
  margin-bottom: 2rem;
  font-weight: 400;
}

.logo-grid {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
  align-items: center;
  opacity: 0.7;
}

.client-logo {
  background: #cfcfcf;
  padding: 1rem 2rem;
  border-radius: 4px;
  color: #888;
  font-weight: 600;
  height: 50px;
}

.client-logo--img {
  width: 300px;
  height: 125px;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.client-logo--img img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}

/* Team Section */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.team-member {
  text-align: center;
  padding: 2rem;
  background-color: #111111;
  border-radius: 8px;
  border: 1px solid #222222;
  transition: all 0.3s ease;
}

.team-member:hover {
  background-color: #151515;
  border-color: #333333;
}

.team-member h3 {
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: #ffffff;
}

.role {
  font-size: 1rem;
  color: #999999;
  margin-bottom: 1rem;
  font-weight: 400;
}

.team-member p:not(.role) {
  color: #cccccc;
  line-height: 1.6;
  font-size: 0.95rem;
}

/* Contact Section Redesign */
.contact-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.contact-card {
  background-color: #111111;
  padding: 2.5rem 2rem;
  border-radius: 8px;
  border: 1px solid #222222;
  text-align: center;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.contact-card:hover {
  transform: translateY(-5px);
  border-color: #333333;
}

.contact-card h3 {
  color: #ffffff;
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
  font-weight: 500;
}

.contact-card p {
  color: #cccccc;
  line-height: 1.8;
  margin-bottom: 1rem;
}

.contact-card a {
  color: #ffffff;
  text-decoration: none;
  transition: color 0.3s ease;
}

.contact-card a:hover {
  color: #cccccc;
}

.link-underline {
  text-decoration: underline !important;
  color: #999999 !important;
}

.link-underline:hover {
  color: #ffffff !important;
}

/* Footer */
.footer {
  background-color: #0a0a0a;
  padding: 2rem 0;
  border-top: 1px solid #222222;
  text-align: center;
}

.footer p {
  color: #666666;
  font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav .container {
    flex-direction: column;
    gap: 1rem;
  }
  
  .nav-menu {
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .hero {
    padding-top: 120px;
  }
  
  .section {
    padding: 3rem 0;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .team-grid {
    grid-template-columns: 1fr;
  }
  
  .reference-year {
    position: static;
    display: block;
    margin-top: 0.5rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }
  
  .nav-menu {
    font-size: 0.9rem;
  }
  
  .service-card,
  .team-member,
  .contact-card {
    padding: 1.5rem;
  }
}