/* -------------------------------------------------------
   Farbvariablen – Grau-Blau Palette
   ------------------------------------------------------- */
:root{
  --bg: #F5F7FA;          /* Seitenhintergrund */
  --card: #E9EEF3;        /* Boxen */
  --text: #1D2A35;        /* Primärtext */
  --muted: #4B5A67;       /* Sekundärtext */
  --line: #CCD4DD;        /* Linien/Rahmen */

  --accent: #4D6A89;      /* Buttons / Akzent */
  --accent-hover: #3E556E;

  --nav-active: #D8E2EE;  /* aktive Navigation */
  --nav-hover:  #C8D6E6;  /* Hover Navigation */
  --nav-bg: #FFFFFF;      /* Navigation Hintergrund */
}

/* -------------------------------------------------------
   Global
   ------------------------------------------------------- */
*{
  box-sizing: border-box;
}

body{
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  padding-top: 58px;        /* Platz für fixe Navigation */
  line-height: 1.6;
}

a{
  color: var(--text);
  text-decoration: none;
}
a:hover{
  color: var(--text);
}

/* -------------------------------------------------------
   Container
   ------------------------------------------------------- */
.container{
  width: min(1100px, 92vw);
  margin: 0 auto;
}

/* -------------------------------------------------------
   Navigation (fixiert)
   ------------------------------------------------------- */
.nav{
  position: fixed;
  top: 0; left: 0; right: 0;
  background: var(--nav-bg);
  border-bottom: 1px solid var(--line);
  z-index: 1000;
}

.nav-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 12px;
}

.brand{
  font-size: 20px;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
}

/* Desktop */
.nav-links{
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a{
  font-size: 16px;
  padding: 6px 10px;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  white-space: nowrap;
}

/* Hover */
.nav-links a:hover{
  background: var(--nav-hover);
}

/* Active */
.nav-links a.active{
  background: var(--nav-active); /* dezente Hervorhebung */
  font-weight: 400;
}

/* -------------------------------------------------------
   Mobile Navigation
   ------------------------------------------------------- */
@media (max-width: 640px){

  .nav-inner{
    flex-direction: column;      /* Menü unter Brand */
    align-items: stretch;
    padding: 10px 0;
    gap: 6px;
  }

  .nav-links{
    justify-content: flex-end;   /* rechtsbündig */
    flex-wrap: nowrap;           /* NICHT umbrechen */
    overflow-x: auto;            /* horizontal scrollen falls nötig */
    -webkit-overflow-scrolling: touch;
    gap: 6px;
    padding-bottom: 2px;
  }

  .nav-links a{
    font-size: 15px;
    padding: 6px 9px;
  }
}

/* -------------------------------------------------------
   Hero
   ------------------------------------------------------- */
.hero{
  padding: 40px 0 20px 0;
  background: var(--bg);
}

.hero-card{
  padding: 40px 30px;
  background: var(--card);
  border-radius: 12px;
  border: 1px solid var(--line);
}

.hero-card h1{
  margin-top: 0;
  font-size: 32px;
}

/* -------------------------------------------------------
   Sections
   ------------------------------------------------------- */
.section{
  margin: 50px 0;
}

.section h2{
  margin-bottom: 16px;
  font-size: 24px;
  color: var(--text);
}

/* -------------------------------------------------------
   Grid & Cards
   ------------------------------------------------------- */
.grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 26px;
}

.card{
  background: var(--card);
  border: 1px solid var(--line);
  padding: 22px;
  border-radius: 12px;
}

.card h3{
  margin-top: 0;
  color: var(--text);
}

/* -------------------------------------------------------
   Listen
   ------------------------------------------------------- */
.list{
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

/* -------------------------------------------------------
   Buttons
   ------------------------------------------------------- */
.button{
  display: inline-block;
  padding: 10px 16px;
  margin-top: 12px;
  background: var(--accent);
  border: 1px solid var(--accent);
  color: #fff;
  border-radius: 8px;
  cursor: pointer;
}

.button:hover{
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

/* -------------------------------------------------------
   Footer
   ------------------------------------------------------- */
.footer{
  padding: 26px 0;
  border-top: 1px solid var(--line);
  text-align: center;
  font-size: 14px;
  color: var(--muted);
}

.footer a{
  color: var(--muted);
}
.footer a:hover{
  color: var(--text);
  text-decoration: underline;
}