/* ========== Grundlayout & Typografie ========== */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               Oxygen, Ubuntu, Cantarell, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-neutral);
  background: var(--color-bg-light);
  margin: 0;
}

/* ========== HEADER ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: var(--color-bg-light);
  height: 80px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--color-primary);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Logo */
.logo a {
  font-size: 1.5rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}
/* Logo image styling */
.logo-img {
  height: 48px;                /* adjust as needed */
  width: auto;                 /* keeps proportions */
  display: block;
}

@media (max-width: 768px) {
  .logo-img {
    height: 40px;              /* slightly smaller on mobile */
  }
}
/* Navigation */
.main-nav ul {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav a {
  text-decoration: none;
  color: var(--color-primary);
  font-weight: 600;
  transition: color 0.2s ease;
  display: flex;
  align-items: center;
}

.main-nav a:hover {
  color: var(--color-accent);
}

/* Contact button */
.main-nav .contact-link {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: #fff !important;
  padding: 0.45rem 1.1rem;
  border-radius: 8px;
  font-weight: 700;
  border: 1px solid var(--color-primary);
  transition: all 0.25s ease;
  line-height: 1;
}

.main-nav .contact-link:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

/* Language switch */
.lang-switch a {
  font-weight: 700;
  color: var(--color-accent);
  text-decoration: none;
  display: flex;
  align-items: center;
}

.lang-switch a:hover {
  color: var(--color-logo);
}

/* ============================== */
/* BURGER MENU OVERLAY (PURE CSS) */
/* ============================== */

.nav-toggle {
  display: none;
}

/* Burger icon styling */
.nav-toggle-label {
  display: none;
  cursor: pointer;
  width: 32px;
  height: 24px;
  position: relative;
}

.nav-toggle-label span,
.nav-toggle-label span::before,
.nav-toggle-label span::after {
  position: absolute;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
  content: '';
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle-label span::before {
  top: -8px;
}

.nav-toggle-label span::after {
  top: 8px;
}

/* When menu is active (checked) */
.nav-toggle:checked + .nav-toggle-label span {
  transform: rotate(45deg);
}

.nav-toggle:checked + .nav-toggle-label span::before {
  transform: rotate(90deg);
  top: 0;
}

.nav-toggle:checked + .nav-toggle-label span::after {
  transform: rotate(90deg);
  top: 0;
  opacity: 0;
}

/* Overlay menu (hidden by default) */
.main-nav {
  position: fixed;
  inset: 0;
  background: var(--color-bg-light2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  transform: translateY(-100%);
  transition: transform 0.3s ease-in-out;
  z-index: 999;
}

/* Show menu when checked */
.nav-toggle:checked ~ .main-nav {
  transform: translateY(0);
}

/* ===================== */
/* ===== MOBILE NAV ===== */
/* ===================== */
@media (max-width: 768px) {
  .nav-toggle-label {
    display: block;
  }

  .site-header {
    height: auto;
    padding: 1rem 0;
  }

  .site-header .container {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }

  /* Menu list */
  .main-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    text-align: center;
    width: 100%;
  }

  /* Default links */
  .main-nav a {
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    display: block;
    text-align: center;
  }

  /* Contact button */
  .main-nav .contact-link {
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--color-primary);
    color: #fff !important;
    padding: 0.6rem 1.4rem;
    border-radius: 8px;
    font-weight: 700;
    border: 1px solid var(--color-primary);
    margin: 0 auto;
    transition: all 0.25s ease;
    text-align: center;
  }

  .main-nav .contact-link:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
  }
} /* ✅ closes mobile media query properly */

/* ===================== */
/* ===== DESKTOP NAV ==== */
/* ===================== */
@media (min-width: 769px) {
  .main-nav {
    position: static;
    transform: none;
    background: none;
    flex-direction: row;
    justify-content: flex-end;
    height: auto;
  }

  .nav-toggle-label {
    display: none;
  }
}