:root {
  --brand-blue: #355a97;
  --ink: #1c2637;
  --paper: #f8fafc;
  --line: rgba(53, 90, 151, 0.2);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--paper);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  font-family: "Verdana Pro", Verdana, Geneva, sans-serif;
  font-weight: 600;
  letter-spacing: 0;
  background:
    linear-gradient(rgba(248, 250, 252, 0.68), rgba(248, 250, 252, 0.82)),
    url("/assets/placeholder-background.png") center / cover no-repeat,
    var(--paper);
}

body::before {
  position: fixed;
  inset: 0;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(90deg, rgba(53, 90, 151, 0.08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(53, 90, 151, 0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at center, transparent 0%, black 74%);
}

.site-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: clamp(32px, 8vw, 96px);
}

.announcement {
  position: relative;
  width: min(100%, 760px);
  padding: clamp(44px, 9vw, 88px) clamp(24px, 7vw, 72px);
  text-align: center;
}

.announcement::before,
.announcement::after {
  position: absolute;
  left: 50%;
  width: min(280px, 42vw);
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, var(--line), transparent);
  transform: translateX(-50%);
}

.announcement::before {
  top: 0;
}

.announcement::after {
  bottom: 0;
}

h1 {
  margin: 0;
  color: var(--brand-blue);
  font-size: clamp(2.8rem, 9vw, 6.4rem);
  line-height: 1;
}

@media (max-width: 520px) {
  body::before {
    background-size: 44px 44px;
  }

  .announcement {
    padding-right: 0;
    padding-left: 0;
  }
}