/* =====================
   Variablen & Basis
   ===================== */
:root {
  --glass-bg:
    radial-gradient(40% 40% at 50% 52%, rgba(255, 255, 255, 0.85) 0%, rgba(255, 255, 255, 0.55) 55%, rgba(255, 255, 255, 0) 70%),
    radial-gradient(120% 120% at 30% 30%, #ffffff 0%, #eef7ff 40%, #dbeeff 70%, #cfe6ff 100%);
  --glass-border: 2px solid rgba(70, 130, 180, 0.35);
  --glass-shadow:
    inset 0 2px 8px rgba(255, 255, 255, 0.9),
    inset 0 -10px 20px rgba(70, 130, 180, 0.18),
    0 10px 24px rgba(17, 63, 102, 0.22);
  --text-color: #0f2542;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(to top, #87ceeb 0%, #b0e0e6 50%, #ffffff 100%);
  font-family: sans-serif;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

/* =====================
   Header / Navigation
   ===================== */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 32px 0;
  gap: 24px;
  backdrop-filter: blur(6px);
}

/* Logo scrollt mit (nicht fixed) */
.logo {
  height:150px;
  flex-shrink: 0;
}

/* Navigation Desktop: zentriert */
.navbar {
  flex: 1 1 auto;
  display: flex;
  justify-content: left;
  padding-left: 230px;
  align-items: center;
  gap: 50px;
}

/* Hamburger */
.hamburger {
  display: none;
  width: 32px;
  height: 24px;
  background: none;
  border: none;
  cursor: pointer;
}
.hamburger span {
  display: block;
  width: 100%;
  height: 4px;
  margin: 5px 0;
  background: #1e3f66;
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); background: #ff4500; }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(6px,-6px); background: #ff4500; }

/* Nav-Blasen */
.nav-item {
  width: 150px; height: 140px;
  border-radius: 50%;
  display: flex; justify-content: center; align-items: center; text-align: center;
  padding: 10px;
  color: #0f2542;
  font-weight: bold; font-size: 22px;
  text-decoration: none;
  background: var(--glass-bg);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
  text-shadow: 0 1px 0 rgba(255,255,255,0.7), 0 0 6px rgba(15,37,66,0.22);
  animation: float 6s ease-in-out infinite;
}
.nav-item:hover { color: #ff4500; }

@keyframes float {
  0%,100%{transform:translateY(0);}
  50%{transform:translateY(-6px);}
}

/* Mobile Menü */
@media (max-width: 780px) {
  header {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "logo burger"
      "nav nav";
    padding: 12px 16px 0;
  }

  .logo { grid-area: logo; height: 70px; }

  .hamburger {
    grid-area: burger;
    display: block;
    justify-self: end;
    align-self: center;
  }

  .navbar {
    grid-area: nav;
    flex-direction: column;
    align-items: flex-end;
    background: rgba(255,255,255,0.88);
    border-radius: 0 0 16px 16px;
    box-shadow: 0 6px 12px rgba(0,0,0,0.12);
    margin-top: 8px;
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s ease, padding .3s ease;
    padding: 0 16px;
  }
  .navbar.active { max-height: 400px; padding: 12px 16px 16px; }

  .nav-item {
    width: auto; height: auto;
    padding: 4px 0;
    font-size: 18px;
    text-align: right;
    background: none; box-shadow: none; border: none;
    animation: none;
  }
}

/* =====================
   Hauptinhalt
   ===================== */
.page-main {
  padding: 40px 24px;
  flex: 1 0 auto;
}
.content-box {
  max-width: 1000px;
  margin: 20px auto;
  padding: 32px;
  border-radius: 24px;
  background: var(--glass-bg);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
  color: var(--text-color);
}

/* =====================
   Fußzeile (dunkel)
   ===================== */
.site-footer {
  flex-shrink: 0;
  width: 100%;
  margin: 0;
  border-radius: 0;
  background:
    linear-gradient(to top, rgba(15,37,66,0.9) 0%, rgba(40,90,130,0.75) 60%, rgba(255,255,255,0.05) 100%),
    radial-gradient(120% 120% at 30% 30%, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0) 100%);
  color: #e8f4ff;
  border-top: 1px solid rgba(255,255,255,0.15);
  box-shadow:
    inset 0 2px 8px rgba(255,255,255,0.08),
    0 -4px 10px rgba(17,63,102,0.25);
  backdrop-filter: blur(6px);
}

.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 32px 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 900px) {
  .footer-inner { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
}

.site-footer h3 {
  font-size: 16px;
  margin-bottom: 6px;
  color: #fff;
}
.site-footer p,
.site-footer a {
  margin: 0;
  color: #e8f4ff;
  opacity: 0.9;
  text-decoration: none;
}
.site-footer a:hover { opacity: 1; text-decoration: underline; }

.footer-bottom {
  max-width: 1000px;
  margin: 0 auto;
  padding: 10px 28px 18px;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  border-top: 1px solid rgba(255,255,255,0.15);
}

/* Desktop: 5px mehr Abstand oben vor den Navi-Bubbles */
@media (min-width: 781px) {
  header { padding-top: 21px !important; }   /* vorher 16px */
  .navbar { margin-top: 55px !important; }    /* zusätzlich: Bubbles minimal nach unten */
}