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

body {
  background: #000;
  color: #e6e6e6;
  font-family: monospace;
}

header {
  border-bottom: 1px solid #111;
  padding: 20px 40px;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: baseline;
}

.brand .name {
  font-size: 20px;
  letter-spacing: 3px;
}

.brand .meta {
  font-size: 12px;
  opacity: 0.6;
}

nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

nav a {
  font-size: 12px;
  letter-spacing: 2px;
  text-decoration: none;
  color: #e6e6e6;
  opacity: 0.7;
}

nav a:hover {
  opacity: 1;
}

.lab-title {
  text-align: center;
  margin-top: 30px;
}

.lab-title h1 {
  font-size: 20px;
  letter-spacing: 4px;
  margin-bottom: 6px;
}

.lab-title p {
  font-size: 12px;
  opacity: 0.6;
}

main {
  padding: 40px;
  text-align: center;
}

canvas {
  width: 100%;
  max-width: 900px;
  height: 240px;
  border: 1px solid #111;
  margin: 30px auto;
  display: block;
}

.controls {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin: 30px 0;
  flex-wrap: wrap;
}

label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 1px;
}

input[type="range"] {
  width: 160px;
}

button {
  margin-top: 20px;
  background: transparent;
  border: 1px solid #333;
  color: #e6e6e6;
  padding: 10px 40px;
  cursor: pointer;
  letter-spacing: 3px;
}

button:hover {
  border-color: #fff;
}

footer {
  border-top: 1px solid #111;
  text-align: center;
  padding: 20px;
  font-size: 11px;
  opacity: 0.5;
}

.social {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 20px;
}

.social svg {
  width: 18px;
  height: 18px;
  fill: #e6e6e6;
  opacity: 0.6;
}

.social a:hover svg {
  opacity: 1;
}

