:root {
  --text: #ffffff;
  --shadow: rgba(0, 0, 0, 0.45);
  --panel: rgba(0, 0, 0, 0.28);
  --panel-border: rgba(255, 255, 255, 0.25);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
}

body {
  min-height: 100vh;
  background:
    linear-gradient(rgba(0, 0, 0, 0.32), rgba(0, 0, 0, 0.52)),
    url("header.jpg") center center / cover no-repeat,
    #24313a;
}

.holding-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
  text-align: center;
}

.message-card {
  width: min(92vw, 720px);
  padding: clamp(2rem, 5vw, 4rem);
  border: 1px solid var(--panel-border);
  border-radius: 28px;
  background: var(--panel);
  backdrop-filter: blur(8px);
  box-shadow: 0 24px 80px var(--shadow);
}

.logo {
  width: clamp(86px, 15vw, 140px);
  height: auto;
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

h1 {
  margin: 0;
  font-size: clamp(2.2rem, 7vw, 5.4rem);
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -0.04em;
  text-shadow: 0 4px 24px var(--shadow);
}