body {
        background-image: url('/images/frutiger_aero.jpg');
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        background-attachment: fixed;
        min-height: 100vh;
        font-family: Arial;
        margin: 0;
        padding: 0 20px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
      }
      .rutor {
        background-image: url('/images/rutor.png');
        background-repeat: repeat;
        background-color: #fff;
        border-radius: 5px;
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
        padding:8px;
      }
      h1 {
        color: black;
        font-family:"Courier New";
        text-align: center;
      }
      hr {
        width: 100%;
        border: none;
        border-top: 2px solid #000000;
        margin: 20px 0;
      }
      hr-0 {
        width: 100%;
        border: none;
        border-top: 0px solid #000000;
        margin: 20px 0;
      }

     
      .intro {
        background-color: white;
        color: black;
      }
      .whisper {
        color:#B0B0B0
      }
      .out {
        background-color: lightblue;
        color:black;
        border: 2px solid darkslateblue;
        border-radius: 12px;
        padding: 15px;
      }
      
      .bild{
        background-color: lightblue;
        color:black;
        border: 2px solid darkslateblue;
        border-radius: 12px;
        padding: 15px;
        
        }
      .bild:hover {
        background-color: gold;
        }
      .frutiger-box {
        padding:8px;
        text-align: center;
        font-weight: bold;
        background-image: url("images/tile.png");
        background-size: contain;
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
        border-radius: 5px;
        font-size: 15px;
       }
      .eco-box {
        padding:8px;
        text-align: center;
        font-weight: bold;
        background-image: url("images/greentile.png");
        background-size: contain;
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
        border-radius: 5px;
        font-size: 15px;
       }
       
.glass-wrapper {
  background-color: rgba(255, 255, 255, 0.15);
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0;
  box-sizing: border-box;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}
.glass-box {
  background-image: url('/images/aero_glass.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  width: 100%;
  height: 900px;
  box-sizing: border-box;
  padding: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  text-align: center;
  overflow-y: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
::-webkit-scrollbar { display: none; }
.links-container {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 15px;
  margin-top: 15px;
}
/* Authentic Frutiger Aero Button CSS */
.frutiger-aero-button {
  /* OKLCH Color System for accurate colors */
  --hue: 245;
  --sat: 0.2;
  --glow-intensity: 0.7;

  /* Color Variables */
  --fg: oklch(15% calc(var(--sat) * 0.5) var(--hue));
  --bg: oklch(75% var(--sat) var(--hue) / 0.8);
  --bg-dark: oklch(45% var(--sat) var(--hue) / 0.75);
  --bottom-glow: radial-gradient(
    farthest-corner at bottom center,
    rgba(255, 255, 255, var(--glow-intensity)),
    transparent
  );

  /* Base Styling */
  background-color: var(--bg);
  background:
    var(--bottom-glow),
    linear-gradient(to bottom, var(--bg-dark), var(--bg));

  border: 1px solid var(--bg);
  border-radius: 9999px;

  /* Shadows and Effects */
  box-shadow: 0 4px 4px rgba(0, 0, 0, 0.4);

  /* Typography */
  color: var(--fg);
  font-family: "Lucida Grande", "Lucida Sans Unicode", "Segoe UI", system-ui, sans-serif;
  font-weight: 700;
  text-shadow: 0 2px 0.5em rgba(0, 0, 0, 0.2);

  /* Layout */
  cursor: pointer;
  position: relative;
  transition: all 300ms ease;

  /* Prevent text selection */
  user-select: none;
  -webkit-user-select: none;
}

/* Diagonal Glass Shine Sweep — the classic Web 2.0 glare streak */
.frutiger-aero-button::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    120deg,
    transparent 30%,
    rgba(255, 255, 255, 0.35) 45%,
    rgba(255, 255, 255, 0.05) 55%,
    transparent 70%
  );
  border-radius: inherit;
  pointer-events: none;
}

/* Top Highlight Effect */
.frutiger-aero-button::after {
  content: "";
  position: absolute;
  top: 4%;
  left: 0.75em;
  width: calc(100% - 1.5em);
  height: 40%;
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.8),
    rgba(255, 255, 255, 0.1)
  );
  border-radius: inherit;
  transition: background 400ms ease;
  pointer-events: none;
}

/* Hover State */
.frutiger-aero-button:hover,
.frutiger-aero-button:focus {
  box-shadow: 0 6px 8px rgba(0, 0, 0, 0.4);
  transform: translateY(-1px);
}

/* Active State */
.frutiger-aero-button:active {
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.4);
  transform: translateY(1px);
}

/* Size Variations */
.frutiger-aero-button.small {
  padding: 0.5em 1.5em;
  font-size: 0.875rem;
}

.frutiger-aero-button.medium {
  padding: 0.75em 2em;
  font-size: 1rem;
}

.frutiger-aero-button.large {
  padding: 1em 3em;
  font-size: 1.125rem;
}