/* =========================
   Globale Farben & Variablen
   ========================= */
:root {
  --bg: #0b0d10;
  --panel: #111419;
  --panel-2: #0e1116;
  --text: #e7ecf3;
  --muted: #a9b1bc;
  --accent: #4cc9f0;
  --accent-2: #80ed99;
  --border: #1c2129;
  --chip: #1a2029;
  --shadow: 0 10px 30px rgba(0,0,0,.5);
  --radius: 18px;
  --maxw: 1100px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f9fc;
    --panel: #ffffff;
    --panel-2: #f5f7fb;
    --text: #0b0d10;
    --muted: #4c5665;
    --border: #e6eaf0;
    --chip: #eef2f7;
    --shadow: 0 10px 30px rgba(0,0,0,.08);
  }
}

/* =========================
   Grundlayout
   ========================= */
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }

body {
  font: 500 16px/1.6 system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica, Arial;
  color: var(--text);
  background: radial-gradient(1200px 800px at 80% -50%, rgba(76,201,240,.10), transparent 60%),
              radial-gradient(900px 600px at -20% 120%, rgba(128,237,153,.08), transparent 50%),
              var(--bg);
}

.wrap {
  max-width: var(--maxw);
  margin: 48px auto;
  padding: 0 24px;
}

.card {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* =========================
   Header + Menü
   ========================= */
header.card {
  padding: 20px;
  text-align: center;
  position: relative;
  margin-bottom: 5vh;
  padding-top: 5vh;
}

nav {
  margin-top: 20px;
}
nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  justify-content: center;
  gap: 20px;
}
nav ul li a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 2px solid transparent;
  padding: 6px 10px;
  transition: all 0.2s ease-in-out;
}
nav ul li a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* =========================
   Profilbild (falls genutzt)
   ========================= */
.profilbild {
  width: 500px;
  height: 350px;
  max-width: 90%;
  max-height: 60vh;
  border-radius: 50% / 50%;
  object-fit: cover;
  border: 6px solid #00adb5;
  display: block;
  margin: 0 auto 3vh;
}

/* Responsive Anpassungen */
@media (max-width: 1024px) {
  .profilbild { width: 350px; height: 250px; }
}
@media (max-width: 768px) {
  .profilbild { width: 250px; height: 175px; }
}
@media (max-width: 480px) {
  .profilbild { width: 180px; height: 125px; }
}

/* =========================
   Hauptinhalte
   ========================= */
main.card {
  text-align: center;
  padding: 40px;
}

/* =========================
   Fußnote
   ========================= */
.footer-note {
  color: var(--muted);
  text-align: right;
  padding: 18px 24px;
  font-size: 13px;
}

/* =========================
   Deko-Leiste unten
   ========================= */
.accent-bar {
  position: absolute;
  inset: auto auto 0 0;
  height: 4px;
  width: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-bottom-left-radius: 14px;
  border-bottom-right-radius: 14px;
  opacity: .6;
}