/* ── CSS VARIABLES ── */
:root {
  --navy: #0f1e3c;
  --navy-mid: #162444;
  --navy-light: #1e2f52;
  --sky: #5ab4e0;
  --sky-light: #8fd0f0;
  --water: #2a6fa8;
  --white: #f0f4ff;
  --accent: #e8c84a;
  --soft: rgba(90,180,224,0.12);
}

/* ── RESET ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

/* ── BASE BODY ── */
body {
  background: var(--navy);
  color: var(--white);
  font-family: 'DM Sans', sans-serif;
  overflow-x: hidden;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 40px;
  background: rgba(15,30,60,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(90,180,224,0.15);
}
.nav-logo { display: flex; align-items: center; }
.nav-logo img { height: 38px; width: auto; display: block; }
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a {
  color: rgba(240,244,255,0.7);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: color .2s;
}
.nav-links a:hover { color: var(--sky); }
.nav-cta {
  background: var(--sky);
  color: var(--navy) !important;
  padding: 8px 20px;
  border-radius: 100px;
  font-weight: 700 !important;
  transition: background .2s, transform .15s !important;
}
.nav-cta:hover { background: var(--sky-light) !important; transform: scale(1.04); }

/* ── LEICHTE SPRACHE BUTTON ── */
.ls-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(90,180,224,0.12);
  border: 1.5px solid rgba(90,180,224,0.35);
  color: var(--sky);
  text-decoration: none;
  font-size: 1rem;
  flex-shrink: 0;
  transition: background .2s, border-color .2s, transform .15s;
  margin-left: 8px;
}
.ls-btn:hover {
  background: rgba(90,180,224,0.25);
  border-color: var(--sky);
  transform: scale(1.1);
}
.ls-btn svg { display: block; }

/* ── MOBILE MENU ── */
.menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.8rem;
  cursor: pointer;
}
.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--navy);
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transform: translateX(100%);
  transition: transform 0.3s ease;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu .close-btn {
  position: absolute;
  top: 20px; right: 20px;
  background: none;
  border: none;
  color: var(--white);
  font-size: 2rem;
  cursor: pointer;
}
.mobile-menu ul {
  list-style: none;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.mobile-menu a {
  color: var(--white);
  text-decoration: none;
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.mobile-menu a.nav-cta {
  background: var(--sky);
  color: var(--navy) !important;
  padding: 12px 32px;
  border-radius: 100px;
  font-weight: 700;
  letter-spacing: 0;
}

/* ── FOOTER ── */
footer {
  background: #080f1e;
  padding: 60px 60px 32px;
  border-top: 1px solid rgba(90,180,224,0.1);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2rem;
  letter-spacing: 3px;
  color: var(--white);
  margin-bottom: 12px;
}
.footer-brand p {
  font-size: 0.85rem;
  color: rgba(240,244,255,0.4);
  line-height: 1.6;
  max-width: 280px;
}
.footer-col h4 {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--sky);
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  font-size: 0.85rem;
  color: rgba(240,244,255,0.45);
  text-decoration: none;
  margin-bottom: 8px;
  transition: color .15s;
}
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(90,180,224,0.08);
  padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
  font-size: 0.78rem;
  color: rgba(240,244,255,0.25);
}

/* ── RESPONSIVE ── */
@media (max-width: 700px) { .footer-grid { grid-template-columns: 1fr; gap: 32px; } }

@media (max-width: 768px) {
  nav { padding: 16px 20px; }
  .nav-links { display: none; }
  .ls-btn { display: none; }
  .menu-btn { display: block; }
  footer { padding: 48px 24px 24px; }
}