/*
Source - https://stackoverflow.com/a/14676665
Posted by ModernDesigner, modified by community. See post 'Timeline' for change history
Retrieved 2026-09-19, License - CC BY-SA 4.0
*/

@import url('https://fonts.googleapis.com/css?family=Open+Sans&display=swap');


:root {
  --nav-height: 64px;
  --accent: #2563eb;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  /* sorgt dafür, dass Anker nicht unter dem fixierten Menü landen */
  scroll-padding-top: var(--nav-height);
}

body {
  margin: 0;
  padding-top: var(--nav-height);   /* Platz für die fixierte Leiste */
/*  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; */
  font-family: "Open Sans";
  line-height: 1.6;
  color: #1a1a1a;
}

/* ---------- Fixierte Menüleiste ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;

  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);          /* Glas-Effekt beim Scrollen */
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.nav-inner {
  max-width: 1100px;
  height: 100%;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;                        /* horizontale Anordnung */
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  background: #7CA37C;
}

.logo {
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
  color: inherit;
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;                        /* Menüpunkte nebeneinander */
  align-items: center;
  gap: 1.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-links a {
  position: relative;
  text-decoration: none;
  color: #444;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.35rem 0;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
}

/* Unterstreichung, die beim Hover einläuft */
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

/* ---------- Mobiler Hamburger-Button (standardmäßig versteckt) ---------- */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #1a1a1a;
  transition: transform 0.25s, opacity 0.25s;
}

/* ---------- Inhalt (nur zur Demo) ---------- */
main section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 1.25rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;            /* auf dem Handy untereinander */
    align-items: flex-start;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    padding: 0.5rem 1.25rem 1.25rem;
    transform: translateY(-120%);
    transition: transform 0.3s ease;
  }

  .nav-links.open { transform: translateY(0); }

  .nav-links li { width: 100%; }

  .nav-links a {
    display: block;
    padding: 0.85rem 0;
  }

  /* Hover-Unterstreichung auf Touch-Geräten ausblenden */
  .nav-links a::after { display: none; }
}