:root {
    --ground: #05060B;
    --ground-lift: #0B0E1C;
    --text: #E8ECFF;
    --cyan: #22E0FF;
    --violet: #8B5CFF;
  }

  * { box-sizing: border-box; }

  html, body {
    height: 100%;
    margin: 0;
  }

  body {
    background:
      radial-gradient(120% 90% at 50% 42%, var(--ground-lift) 0%, var(--ground) 60%, #030409 100%);
    color: var(--text);
    font-family: "Avenir Next", "Helvetica Neue", "Segoe UI", system-ui, sans-serif;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

  /* Interactive light field */
  #field {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    z-index: 0;
  }

  /* Soft ambient glow behind the wordmark */
  .aura {
    position: fixed;
    left: 50%;
    top: 44%;
    width: min(70vw, 720px);
    height: min(70vw, 720px);
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(34, 224, 255, 0.10) 0%, rgba(139, 92, 255, 0.07) 38%, transparent 70%);
    z-index: 1;
    pointer-events: none;
    filter: blur(8px);
  }

  /* Faint vignette to focus the centre */
  .vignette {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background: radial-gradient(130% 120% at 50% 50%, transparent 55%, rgba(2, 3, 8, 0.55) 100%);
  }

  .stage {
    position: relative;
    z-index: 2;
    min-height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: clamp(1.1rem, 3vh, 2.1rem);
    padding: 6vh 6vw;
    text-align: center;
    pointer-events: none; /* let the field receive the cursor */
  }

  .wordmark {
    position: relative;
    margin: 0;
    width: clamp(160px, 40vw, 360px);
    animation:
      rise 1.1s cubic-bezier(0.16, 1, 0.3, 1) 0.15s both,
      breathe 7s ease-in-out 1.4s infinite;
  }
  .wordmark img {
    display: block;
    width: 100%;
    height: auto;
    overflow: visible;
  }
  .wordmark .tm {
    position: absolute;
    right: -0.7em;
    bottom: 3%;
    font-family: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
    font-size: clamp(0.85rem, 1.9vw, 1.25rem);
    line-height: 1;
    color: rgba(186, 156, 255, 0.82);
    text-shadow: 0 0 10px rgba(139, 92, 255, 0.55);
    pointer-events: none;
  }

  .divider {
    width: clamp(120px, 24vw, 340px);
    height: 1px;
    border: 0;
    margin: 0;
    background: linear-gradient(90deg, transparent, var(--cyan) 30%, var(--violet) 70%, transparent);
    box-shadow: 0 0 14px rgba(34, 224, 255, 0.45);
    transform-origin: center;
    animation: grow 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.55s both;
  }

  .est {
    margin: 0;
    font-family: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
    font-size: clamp(0.72rem, 1.7vw, 0.98rem);
    font-weight: 500;
    letter-spacing: 0.55em;
    text-indent: 0.55em;
    text-transform: uppercase;
    color: rgba(176, 196, 255, 0.62);
    animation: rise 1s cubic-bezier(0.16, 1, 0.3, 1) 0.85s both;
  }

  /* Bottom corners */
  .footer {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: clamp(1rem, 3vh, 1.8rem) clamp(1.2rem, 4vw, 2.6rem);
    font-family: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    animation: fade 1.2s ease 1.4s both;
  }

  .copyright {
    color: rgba(150, 168, 214, 0.42);
    user-select: none;
    white-space: nowrap;
  }

  @keyframes rise {
    from { opacity: 0; transform: translateY(16px) scale(0.985); }
    to { opacity: 1; transform: translateY(0) scale(1); }
  }
  @keyframes grow {
    from { opacity: 0; transform: scaleX(0.25); }
    to { opacity: 1; transform: scaleX(1); }
  }
  @keyframes fade {
    from { opacity: 0; }
    to { opacity: 1; }
  }
  @keyframes breathe {
    0%, 100% {
      filter: drop-shadow(0 0 16px rgba(34, 224, 255, 0.30)) drop-shadow(0 0 44px rgba(139, 92, 255, 0.24));
    }
    50% {
      filter: drop-shadow(0 0 28px rgba(34, 224, 255, 0.48)) drop-shadow(0 0 72px rgba(139, 92, 255, 0.40));
    }
  }

  @media (max-width: 30rem) {
    .footer {
      gap: 0.7rem;
      font-size: 0.6rem;
      letter-spacing: 0.1em;
    }
  }
  @media (max-width: 22rem) {
    .footer {
      gap: 0.5rem;
      font-size: 0.55rem;
      letter-spacing: 0.05em;
      padding-left: 1rem;
      padding-right: 1rem;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    .wordmark, .divider, .est, .footer {
      animation: none;
      opacity: 1;
      transform: none;
    }
    .wordmark {
      filter: drop-shadow(0 0 20px rgba(34, 224, 255, 0.35)) drop-shadow(0 0 52px rgba(139, 92, 255, 0.30));
    }
  }