:root {
  --bg: #0a0a0b;
  --text: #ffffff;
  --text-dim: rgba(255, 255, 255, 0.6);
  --accent: #25D366;
  --font-main: 'Figtree', sans-serif;
}

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

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-main);
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.bg-blur {
  position: absolute;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(37, 211, 102, 0.05) 0%, rgba(37, 211, 102, 0) 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  filter: blur(60px);
  z-index: 1;
}

.container {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 2rem;
  max-width: 600px;
}

.error-code {
  font-size: clamp(80px, 15vw, 120px);
  font-weight: 800;
  line-height: 1;
  margin-bottom: 1rem;
  letter-spacing: -0.05em;
  background: linear-gradient(to bottom, #ffffff 30%, rgba(255, 255, 255, 0.1));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.title {
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.subtitle {
  color: var(--text-dim);
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 3rem;
  font-weight: 300;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem 2.5rem;
  background-color: var(--accent);
  color: #000;
  text-decoration: none;
  font-weight: 600;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.9rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.2);
}

.btn:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(37, 211, 102, 0.3);
  filter: brightness(1.1);
}

.btn svg {
  width: 20px;
  height: 20px;
}

.footer {
  position: absolute;
  bottom: 2rem;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.2);
  text-transform: uppercase;
  letter-spacing: 0.2em;
}