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

body {
  font-family: 'Newsreader', 'Georgia', 'Times Roman', serif;
  height: 100vh;
  overflow: hidden;
}

.container {
  display: flex;
  height: 100vh;
  width: 100vw;
}

.left-panel {
  flex: 1;
  background: linear-gradient(135deg, #2c4a4a 0%, #1a3333 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 4rem;
  color: white;
  position: relative;
}

.copyright {
  font-family: 'DM Sans', 'Roboto', 'Arial', sans-serif;
  font-weight: 200;
  margin-bottom: 3rem;
  opacity: 0.9;
}

.logo {
  font-size: 5rem;
  font-weight: 600;
  margin-bottom: 4rem;
  line-height: 1;
}

.logo .litho {
  font-style: italic;
  color: #e0fef8;
}

.subtitle {
  font-family: 'DM Sans', 'Roboto', 'Arial', sans-serif;
  font-size: 1.8rem;
  font-weight: 200;
  line-height: 1.4;
  margin-bottom: 3rem;
  max-width: 500px;
}

.contacts {
  font-family: 'Courier New', Courier, monospace;
  font-size: 1.1rem;
  color: #7dd3c0;
  text-decoration: underline;
  font-weight: 300;
  margin-bottom: 2rem;
}

.circuit-panel {
  flex: 1;
  background: linear-gradient(45deg, #ffd700 0%, #ffed4e 50%, #daa520 100%);
  position: relative;
  overflow: hidden;
}

.circuit-panel.start {
  display: none;
}

.circuit-panel.end {
  display: block;
}

.circuit {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("/img/ic5.jpg");
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    flex-direction: column;
  }

  .left-panel {
    padding: 2rem;
    text-align: center;
    align-items: center;
  }

  .circuit-panel.start {
    display: block;
  }

  .logo {
    font-size: 3.5rem;
    margin-bottom: 2rem;
  }

  .subtitle {
    font-size: 1.4rem;
    text-align: center;
    margin-bottom: 2rem;
  }

  .copyright {
    font-size: 1rem;
    margin-bottom: 2rem;
  }

  .contacts {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .left-panel {
    padding: 1.5rem;
  }

  .circuit-panel.start {
    display: block;
  }

  .logo {
    font-size: 2.8rem;
  }

  .subtitle {
    font-size: 1.2rem;
  }

  .copyright {
    font-size: 0.9rem;
  }
}