body {
  margin: 0;
  background: linear-gradient(135deg, #0d0d0d 0%, #1a1a1a 50%, #0d0d0d 100%);
  background-attachment: fixed;
  color: #f2f2f2;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

.hero-section {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem;
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.03) 0%, transparent 70%);
  position: relative;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="40" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="40" cy="80" r="1.5" fill="rgba(255,255,255,0.05)"/></svg>');
  opacity: 0.3;
  animation: float 20s infinite linear;
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
  100% { transform: translateY(0px); }
}

.hero-title {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 300;
  margin-bottom: 1rem;
  letter-spacing: 4px;
  background: linear-gradient(135deg, #ffffff 0%, #cccccc 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s 0.5s forwards;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  color: #bbb;
  max-width: 700px;
  margin: 0 auto 3rem;
  font-weight: 300;
  line-height: 1.8;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s 0.8s forwards;
}

.hero-cta {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s 1.1s forwards;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.cta-button {
  padding: 1rem 2rem;
  text-decoration: none;
  border-radius: 6px;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.cta-primary {
  background: #333;
  color: #fff;
  border: 1px solid #555;
}

.cta-primary:hover {
  background: #555;
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.cta-secondary {
  background: transparent;
  color: #ccc;
  border: 1px solid #555;
}

.cta-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  transform: translateY(-2px);
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: 1rem 2rem;
  background: rgba(26, 26, 26, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 1000;
  opacity: 0;
  transform: translateY(-100%);
  animation: slideDown 1s 1.5s forwards;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

@keyframes slideDown {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.nav-left {
  display: flex;
  align-items: center;
}

.nav-right {
  display: flex;
  align-items: center;
}

nav a {
  color: #ccc;
  text-decoration: none;
  margin-right: 2rem;
  font-weight: 400;
  transition: all 0.3s;
  position: relative;
}

nav a:hover, nav a.active {
  color: #fff;
}

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

nav a:hover::after {
  width: 100%;
}

.login-button {
  background: #333;
  color: #fff;
  border: 1px solid #555;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  margin-right: 0;
}

.login-button:hover {
  background: #555;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.login-button::after {
  display: none;
}

.user-profile {
  position: relative;
}

.profile-image {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
  transition: all 0.3s ease;
  object-fit: cover;
  background: #333;
}

.profile-image:hover {
  border-color: #87ceeb;
  transform: scale(1.05);
}

.profile-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  background: rgba(26, 26, 26, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 8px 0;
  min-width: 180px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  z-index: 1001;
}

.user-profile:hover .profile-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  padding: 12px 16px;
  color: #ccc;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 14px;
  display: flex;
  align-items: center;
}

.dropdown-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
}

.dropdown-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin: 8px 0;
}

.section {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s ease;
}

.section.visible {
  opacity: 1;
  transform: translateY(0);
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 300;
  text-align: center;
  margin-bottom: 1rem;
  letter-spacing: 2px;
  background: linear-gradient(135deg, #ffffff 0%, #aaaaaa 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  text-align: center;
  color: #999;
  max-width: 600px;
  margin: 0 auto 3rem;
  font-size: 1.1rem;
  line-height: 1.8;
}

.about-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  font-size: 1.1rem;
  line-height: 1.8;
  color: #ccc;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.service-card {
  background: rgba(31, 31, 31, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  transition: all 0.4s ease;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
  transition: left 0.6s;
}

.service-card:hover::before {
  left: 100%;
}

.service-card:hover {
  background: rgba(42, 42, 42, 0.9);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.service-icon {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  display: block;
}

.service-title {
  font-size: 1.4rem;
  font-weight: 500;
  margin-bottom: 1rem;
  color: #fff;
}

.service-description {
  color: #aaa;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.service-link {
  color: #87ceeb;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

.service-link:hover {
  color: #fff;
}

.contact-section {
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.9), rgba(13, 13, 13, 0.9));
  border-radius: 16px;
  padding: 3rem;
  margin: 2rem auto;
  max-width: 600px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  position: relative;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 1rem;
  background: rgba(31, 31, 31, 0.8);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  font-size: 1rem;
  transition: all 0.3s;
  backdrop-filter: blur(5px);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: #87ceeb;
  background: rgba(31, 31, 31, 1);
  box-shadow: 0 0 0 2px rgba(135, 206, 235, 0.2);
}

.contact-form textarea {
  resize: vertical;
  min-height: 120px;
}

.submit-button {
  padding: 1rem 2rem;
  background: #444;
  border: none;
  color: white;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.submit-button:hover {
  background: #666;
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.submit-button:active {
  transform: translateY(0);
}

footer {
  text-align: center;
  padding: 3rem 2rem;
  margin-top: 5rem;
  font-size: 0.9rem;
  color: #666;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.5), transparent);
}

footer a {
  color: #999;
  text-decoration: none;
  transition: color 0.3s;
}

footer a:hover {
  color: #fff;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: #666;
  font-size: 0.9rem;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

@media (max-width: 768px) {
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .cta-button {
    width: 200px;
    text-align: center;
  }
  
  nav {
    flex-direction: column;
    gap: 1rem;
  }
  
  .nav-left a {
    margin-right: 1rem;
    font-size: 0.9rem;
  }

  .profile-dropdown {
    right: -20px;
    min-width: 160px;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-section {
    margin: 1rem;
    padding: 2rem;
  }
}