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

body {
  min-height: 100vh;
  background: linear-gradient(135deg, #0f0f1f, #1a1a2f);
  font-family: 'Poppins', sans-serif;
  padding: 2rem;
  position: relative;
  color: #e0e0e0;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('subtle-texture.png');
  background-repeat: repeat;
  opacity: 0.05;
  z-index: -2;
  pointer-events: none;
}

.header {
  background: rgba(26, 26, 47, 0.95);
  padding: 2rem;
  text-align: center;
  border-radius: 20px;
  margin-bottom: 2rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    linear-gradient(45deg, transparent 48%, rgba(0, 255, 170, 0.1) 50%, transparent 52%) 0 0 / 20px 20px,
    linear-gradient(-45deg, transparent 48%, rgba(0, 170, 255, 0.1) 50%, transparent 52%) 0 0 / 20px 20px;
  animation: patternMove 20s linear infinite;
  z-index: 1;
}

.company-info {
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 2;
}

.company-info h1 {
  font-size: 2.8rem;
  background: linear-gradient(45deg, #00ffaa, #00aaff, #00ffaa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
  text-shadow: 0 0 20px rgba(0, 255, 170, 0.2);
}

.slogan {
  color: #aab;
  font-style: italic;
  font-size: 1.3rem;
  opacity: 0.9;
  text-shadow: 0 0 10px rgba(0, 170, 255, 0.3);
  margin-bottom: 2rem;
}

.main-nav {
  margin-bottom: 2rem;
  position: relative;
  z-index: 2;
}

.main-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}

.main-nav li {
  margin: 0;
  position: relative;
}

.main-nav a {
  color: #e0e0e0;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  padding: 0.8rem 1.5rem;
  border-radius: 8px;
  transition: all 0.4s ease;
  position: relative;
  display: inline-block;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.02);
  box-shadow: none;
  overflow: hidden;
}

.main-nav a::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: linear-gradient(to right, #00ffaa, #00aaff);
  transition: width 0.3s ease;
  z-index: 3;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: linear-gradient(to right, #00aaff, #00ffaa);
  transition: width 0.3s ease;
  z-index: 3;
}

.main-nav a span {
  position: relative;
  z-index: 4;
  color: #e0e0e0;
  transition: color 0.3s ease;
}

.main-nav a:hover {
  color: #ffffff;
  background: transparent;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 255, 170, 0.2);
  border-color: rgba(0, 255, 170, 0.6);
}

.main-nav a:hover::before,
.main-nav a:hover::after {
  width: 100%;
  transform: translateX(-50%);
}

.header h2 {
  color: white;
  margin-bottom: 2rem;
  font-size: 2rem;
  font-weight: 300;
  position: relative;
  z-index: 2;
  background: linear-gradient(45deg, #fff, #aab);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  max-width: 1800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.comparison-modal, .payment-modal {
  z-index: 1000;
}

@keyframes patternMove {
  from {
    background-position: 0 0;
  }
  to {
    background-position: 40px 40px;
  }
}

a {
  color: inherit;
  text-decoration: none;
}