/* Eigenständiges Stylesheet nur für die temporäre "Website im Aufbau"-Seite.
   Bewusst getrennt von css/site.css (das Stylesheet ist projektübergreifend
   mit BS_WEBSITE geteilt und wird hier nicht verändert). */

:root {
  --teal: #00898f;
  --ink: #12242a;
  --paper: #fbfdfd;
  --line: rgba(0, 137, 143, .09);
  --line-strong: rgba(0, 137, 143, .2);
}

* { box-sizing: border-box; }

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

body {
  font-family: "Segoe UI", Verdana, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.blueprint {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: url("../img/bg-aufbau-plan.webp");
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  opacity: .92;
}

/* Vorherige CSS-Formen (Kreis/Raute) sind vorerst ausgeblendet, damit das neue
   Hintergrundbild für sich allein bewertet werden kann. Regeln bleiben erhalten,
   bis die finale Version bestätigt ist. */
.blueprint::before,
.blueprint::after {
  content: "";
  position: absolute;
  border: 1px solid var(--line-strong);
  display: none;
}

.blueprint::before {
  top: 6vh;
  left: 6vw;
  width: 22vw;
  height: 22vw;
  max-width: 260px;
  max-height: 260px;
  border-radius: 50%;
}

.blueprint::after {
  bottom: 8vh;
  right: 7vw;
  width: 16vw;
  height: 16vw;
  max-width: 200px;
  max-height: 200px;
  transform: rotate(45deg);
}

.crop {
  position: fixed;
  width: 28px;
  height: 28px;
  border-color: var(--line-strong);
  border-style: solid;
  border-width: 0;
  z-index: 1;
  pointer-events: none;
}
.crop-tl { top: 24px; left: 24px; border-top-width: 2px; border-left-width: 2px; }
.crop-tr { top: 24px; right: 24px; border-top-width: 2px; border-right-width: 2px; }
.crop-bl { bottom: 24px; left: 24px; border-bottom-width: 2px; border-left-width: 2px; }
.crop-br { bottom: 24px; right: 24px; border-bottom-width: 2px; border-right-width: 2px; }

.wrap {
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 64px 24px;
}

.mark {
  width: 84px;
  height: 84px;
  object-fit: contain;
  margin-bottom: 28px;
}

.brand {
  margin: 0;
  font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.4rem);
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--ink);
}

.rule {
  width: 64px;
  height: 2px;
  background: var(--teal);
  margin: 22px 0;
  border: 0;
}

.headline {
  margin: 0 0 18px;
  font-size: clamp(1.3rem, 1.05rem + 1vw, 1.85rem);
  font-weight: 600;
  color: var(--teal);
}

.lead {
  margin: 0;
  max-width: 46ch;
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--ink);
}

.lead + .lead {
  margin-top: 10px;
}

.triad {
  display: flex;
  gap: 20px;
  margin: 46px 0 0;
  padding: 0;
  list-style: none;
  flex-wrap: wrap;
  justify-content: center;
}

.triad li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--ink);
}

.triad svg {
  width: 20px;
  height: 20px;
  stroke: var(--teal);
  fill: none;
  stroke-width: 1.4;
}

.triad li + li::before {
  content: "";
  width: 4px;
  height: 4px;
  background: var(--line-strong);
  border-radius: 50%;
  margin-right: 20px;
}

footer.aufbau {
  position: relative;
  z-index: 2;
  padding: 20px 24px 28px;
  text-align: center;
  font-size: .8rem;
  color: #5b6f74;
}

footer.aufbau nav a {
  color: #5b6f74;
  text-decoration: none;
  margin: 0 8px;
}

footer.aufbau nav a:hover,
footer.aufbau nav a:focus-visible {
  color: var(--teal);
  text-decoration: underline;
}

footer.aufbau .sep {
  color: var(--line-strong);
}

@media (max-width: 480px) {
  .wrap { padding: 40px 24px; }
  .brand {
    font-size: 1.3rem;
    letter-spacing: .1em;
  }
  .triad { gap: 14px 22px; }
  .triad li + li::before { margin-right: 14px; }
  .crop { width: 18px; height: 18px; }
  .blueprint {
    opacity: .55;
    background-size: cover;
    background-position: center;
  }
  footer.aufbau {
    padding-inline: 16px;
    font-size: .75rem;
  }
}