html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #f8fafc 0%, #ffffff 50%, #f1f5f9 100%);
  color: #334155;
  overflow-x: hidden;
  position: relative;
}
#particles-js {
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 0;
}
/* nav removed for hero layout */
.logo-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 32px;
  flex-direction: column;
  position: relative;
}

.logo-container::before {
  content: '';
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 4px;
  background: linear-gradient(90deg, #3b82f6, #8b5cf6, #ec4899);
  border-radius: 2px;
  opacity: 0.6;
}

.brand-text {
  text-align: center;
}

.brand-text h1 {
  font-size: 4em;
  font-weight: 800;
  color: #1e293b;
  margin: 8px 0 4px 0;
  letter-spacing: -1px;
  background: linear-gradient(135deg, #1e293b 0%, #3b82f6 50%, #8b5cf6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 4px 8px rgba(0,0,0,0.1);
  position: relative;
  overflow: hidden;
}

.brand-text h1::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: shimmer 3s infinite;
}

.brand-subtitle {
  font-size: 1.1em;
  color: #64748b;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  display: block;
  margin-top: 8px;
}

.logo-full {
  display: none;
}

.logo-icon {
  display: none;
}
@media (max-width: 768px) {
  .brand-text h1 { font-size: 2.8em; }
  .brand-subtitle { font-size: 0.9em; }
  .logo-container::before { width: 150px; }
}
/* nav links removed; now styled in .center-nav */
header {
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  color: #1e293b;
  text-align: center;
  padding: 140px 20px 80px 20px;
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 32px 0 rgba(0,0,0,0.08);
  border-bottom: 1px solid #e2e8f0;
}
#tagline {
  font-size: 3.2em;
  font-weight: 900;
  letter-spacing: -1px;
  background: linear-gradient(90deg, #0ea5e9 0%, #3b82f6 40%, #8b5cf6 80%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0 0 24px 0;
  min-height: 60px;
  position: relative;
  z-index: 1;
  white-space: pre-line;
  filter: drop-shadow(0 2px 16px rgba(0,0,0,0.1));
}

.center-nav {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-top: 8px;
  margin-bottom: 8px;
}
.center-nav a {
  color: #64748b;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.2em;
  transition: color 0.3s, text-shadow 0.3s, background 0.3s;
  padding: 8px 20px;
  border-radius: 8px;
  border: 2px solid transparent;
}
.center-nav a:hover {
  color: #0f172a;
  background: rgba(59,130,246,0.1);
  text-shadow: none;
  border-color: #3b82f6;
}

@media (max-width: 768px) {
  #tagline { font-size: 2em; }
  .center-nav { flex-direction: column; gap: 10px; }
  #contact .content-wrapper > div {
    flex-direction: column !important;
    gap: 20px !important;
  }
  #contact .content-wrapper > div > div {
    text-align: center;
  }
}
section {
  padding: 60px 20px;
  max-width: 1100px;
  margin: auto;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s forwards;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 16px;
  box-shadow: 0 4px 20px 0 rgba(0,0,0,0.08);
  border: 1px solid #e2e8f0;
  margin-bottom: 32px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
section:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px 0 rgba(0,0,0,0.12);
}
section:nth-of-type(2) { animation-delay: 0.3s; }
section:nth-of-type(3) { animation-delay: 0.6s; }
section:nth-of-type(4) { animation-delay: 0.9s; }
section:nth-of-type(5) { animation-delay: 1.2s; }
section h2 {
  color: #1e293b;
  margin-bottom: 20px;
  font-size: 2.2em;
  font-weight: 700;
  position: relative;
  padding-bottom: 12px;
}
section h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, #3b82f6, #8b5cf6);
  border-radius: 2px;
}
section p {
  font-size: 1.2em;
  line-height: 1.8em;
  color: #475569;
}
footer {
  background: linear-gradient(135deg, #f8fafc, #ffffff);
  color: #64748b;
  text-align: center;
  padding: 40px 20px;
  font-size: 0.9em;
  border-top: 1px solid #e2e8f0;
}
.highlight {
  color: #3b82f6;
  font-weight: bold;
}
.content-wrapper {
  background: rgba(255, 255, 255, 0.8);
  border-radius: 12px;
  padding: 40px;
  backdrop-filter: blur(8px);
  position: relative;
  z-index: 1;
  border: 1px solid #e2e8f0;
  box-shadow: 0 4px 20px 0 rgba(0,0,0,0.05);
}
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: #3b82f6;
  color: white;
  padding: 12px 16px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
  transition: all 0.3s ease;
  font-size: 1.2em;
  z-index: 1001;
}
.back-to-top:hover {
  background: #2563eb;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

/* Professional contact styling enhancements */
#contact .content-wrapper > div > div h3 {
  color: #3b82f6;
  font-size: 1.3em;
  margin-bottom: 16px;
  font-weight: 600;
}

#contact a[href^="tel:"],
#contact a[href^="mailto:"] {
  color: #3b82f6;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
}

#contact a[href^="tel:"]:hover,
#contact a[href^="mailto:"]:hover {
  color: #2563eb;
  text-decoration: underline;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}
@media (max-width: 768px) {
  header h1 { font-size: 2.8em; }
  header p { font-size: 1.2em; }
  nav { flex-direction: column; }
  section {
    margin-bottom: 24px;
    padding: 40px 16px;
  }
  
  .content-wrapper {
    padding: 24px;
  }
}