/* E-Campus Umbau-Landing — Navy / Gold / Cyan (Login-Marke) */
:root {
  --navy: #001030;
  --navy-mid: #002050;
  --ink: #071821;
  --gold: #C8A058;
  --gold-soft: #D8B068;
  --cyan: #10C0F8;
  --teal: #2DE2E6;
  --muted: #94A3B8;
  --text: #F4F7F8;
  --line: rgba(200, 160, 88, 0.22);
  --font: "Segoe UI", system-ui, Roboto, Helvetica, Arial, sans-serif;
  --wrap: 920px;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(900px 480px at 12% -10%, rgba(16, 192, 248, 0.14), transparent 55%),
    radial-gradient(700px 420px at 90% 10%, rgba(200, 160, 88, 0.16), transparent 50%),
    linear-gradient(165deg, var(--navy) 0%, #001a3a 42%, var(--ink) 100%);
  line-height: 1.55;
}
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
.wrap { width: min(var(--wrap), calc(100% - 40px)); margin: 0 auto; }
.skip {
  position: absolute; left: 8px; top: -48px;
  background: var(--gold); color: var(--navy);
  padding: 8px 12px; border-radius: 8px; z-index: 20;
}
.skip:focus { top: 8px; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }

.top {
  border-bottom: 1px solid var(--line);
  background: rgba(0, 16, 48, 0.72);
  backdrop-filter: blur(10px);
}
.bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 14px 0;
}
.brand img { width: min(220px, 52vw); height: auto; }
.links { display: flex; gap: 18px; flex-wrap: wrap; font-size: 0.95rem; }
.links a { color: var(--gold-soft); }

.hero {
  display: grid; place-items: center;
  min-height: calc(100vh - 220px);
  padding: 48px 0 36px;
}
.panel {
  text-align: center;
  background: linear-gradient(180deg, rgba(0, 32, 80, 0.72), rgba(7, 24, 33, 0.78));
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: clamp(28px, 5vw, 48px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}
.badge {
  display: inline-block;
  margin-bottom: 16px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(16, 192, 248, 0.45);
  color: var(--cyan);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
h1 {
  margin: 0 0 14px;
  font-size: clamp(1.7rem, 4.2vw, 2.55rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: #fff;
}
.lead {
  margin: 0 auto 26px;
  max-width: 36rem;
  color: #d5dee6;
  font-size: 1.08rem;
}
.cta {
  display: flex; gap: 12px; justify-content: center; flex-wrap: wrap;
  margin-bottom: 18px;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 0 20px; border-radius: 12px;
  font-weight: 650; text-decoration: none !important;
}
.btn.primary {
  background: linear-gradient(180deg, var(--gold-soft), var(--gold));
  color: var(--navy);
}
.btn.ghost {
  border: 1px solid rgba(45, 226, 230, 0.45);
  color: var(--teal);
  background: rgba(45, 226, 230, 0.06);
}
.hint { margin: 0; color: var(--muted); font-size: 0.92rem; }

.foot {
  border-top: 1px solid var(--line);
  padding: 28px 0 36px;
  background: rgba(0, 16, 48, 0.55);
}
.foot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-bottom: 18px;
}
.foot h2 {
  margin: 0 0 8px;
  font-size: 0.95rem;
  color: var(--gold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.foot p { margin: 0 0 6px; color: #c5d0d8; font-size: 0.95rem; }
.copy { color: var(--muted); font-size: 0.85rem; }

@media (max-width: 640px) {
  .bar { flex-direction: column; align-items: flex-start; }
  .hero { min-height: auto; padding-top: 36px; }
}