*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  height: 100%;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #101726 0%, #05080f 45%, #020309 100%);
  color: #e5f6ff;
  min-height: 100dvh; /* use dynamic viewport on mobile */
}

.page {
  min-height: 100dvh; /* truly fullscreen, accounting for browser chrome */
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.logo-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

/* Bigger responsive square canvas */
#fractal-logo {
  width: min(80vw, 80vh);
  aspect-ratio: 1 / 1;
  display: block;
}

/* Branding text */
.brand {
  text-align: center;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.brand-name {
  font-size: clamp(1.4rem, 2.4vw, 2.0rem);
  font-weight: 600;
}

.brand-tagline {
  font-size: clamp(0.65rem, 1vw, 0.85rem);
  margin-top: 6px;
  opacity: 0.65;
}

/* Optional: subtle hover hint */
.logo-wrapper:hover .brand-name {
  text-shadow: 0 0 12px rgba(50, 224, 196, 0.45);
}