:root {
  color: #0a0a0a;
  background: #ffffff;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  text-rendering: geometricPrecision;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: #ffffff;
}

body {
  min-height: 100vh;
  margin: 0;
  overflow: hidden;
  background: #ffffff;
}

.site-shell {
  position: relative;
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 28px;
  isolation: isolate;
  background: #ffffff;
}

.hero {
  position: relative;
  display: grid;
  justify-items: center;
  width: min(100%, 680px);
  text-align: center;
}

.logo {
  display: block;
  width: min(76vw, 520px);
  height: auto;
  animation: logo-breathe 7s ease-in-out infinite;
}

.tagline {
  margin: 12px 0 0;
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0;
  text-transform: uppercase;
}

.signal {
  position: fixed;
  right: 28px;
  bottom: 26px;
  display: flex;
  align-items: end;
  height: 34px;
  gap: 5px;
  opacity: 0.68;
}

.signal span {
  display: block;
  width: 2px;
  min-height: 7px;
  background: #0a0a0a;
  transform-origin: bottom;
  animation: signal-rise 1.9s ease-in-out infinite;
}

.signal span:nth-child(2) {
  animation-delay: 0.16s;
}

.signal span:nth-child(3) {
  animation-delay: 0.3s;
}

.signal span:nth-child(4) {
  animation-delay: 0.44s;
}

.signal span:nth-child(5) {
  animation-delay: 0.58s;
}

.signal span:nth-child(6) {
  animation-delay: 0.72s;
}

.signal span:nth-child(7) {
  animation-delay: 0.86s;
}

@keyframes logo-breathe {
  0%,
  100% {
    transform: translateY(0) scale(1);
  }

  50% {
    transform: translateY(-6px) scale(1.012);
  }
}

@keyframes signal-rise {
  0%,
  100% {
    transform: scaleY(0.42);
    opacity: 0.35;
  }

  50% {
    transform: scaleY(1.55);
    opacity: 0.9;
  }
}

@media (max-width: 680px) {
  body {
    overflow: auto;
  }

  .site-shell {
    min-height: 100svh;
    padding: 22px;
  }

  .logo {
    width: min(88vw, 430px);
  }

  .tagline {
    max-width: 280px;
    font-size: 0.74rem;
  }

  .signal {
    right: 20px;
    bottom: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
}
