:root {
  color-scheme: dark;
  font-family:
    Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #080b12;
  color: #f4f7fb;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

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

body {
  min-height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 0%, rgba(72, 107, 152, 0.16), transparent 42%),
    linear-gradient(145deg, #0b111d 0%, #080b12 58%, #06080d 100%);
}

body::before {
  position: fixed;
  inset: 0;
  pointer-events: none;
  content: "";
  opacity: 0.25;
  background-image: linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black, transparent 82%);
}

.notice {
  position: relative;
  width: min(640px, calc(100% - 48px));
  padding: 64px 40px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  background: rgba(13, 18, 29, 0.74);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(16px);
}

.logo {
  display: block;
  width: min(174px, 55%);
  height: auto;
  margin: 0 auto;
}

.divider {
  width: 44px;
  height: 1px;
  margin: 34px auto;
  background: linear-gradient(90deg, transparent, #8fa7c4, transparent);
}

.eyebrow {
  margin: 0 0 14px;
  color: #9fb1c8;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.15rem, 7vw, 4rem);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1.02;
}

.message {
  max-width: 430px;
  margin: 22px auto 0;
  color: #aeb9c8;
  font-size: clamp(1rem, 2.6vw, 1.12rem);
  line-height: 1.65;
}

@media (max-width: 520px) {
  .notice {
    width: calc(100% - 28px);
    padding: 50px 24px;
    border-radius: 20px;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .notice {
    animation: appear 650ms ease-out both;
  }

  @keyframes appear {
    from {
      opacity: 0;
      transform: translateY(8px);
    }
  }
}