:root {
  --bg-main: #0D0D0D;
  --bg-content: #1A1A1A;
  --bg-sidebar: #F5F5F5;
  --fg-main: #F5F5F5;
  --fg-sidebar: #0D0D0D;
  --border: #2E2E2E;
  --accent: cornflowerblue;
  --accent-dark: #00cc6a;
  --slider-label: #888;
  --box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

html, body {
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  margin: 0;
  padding: 0;
  min-height: 100vh;
}
/*#start {*/
/*    margin-top: 5%;*/
/*}*/

#titles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 128px;
  z-index: 100;
  background: var(--accent);
  color: var(--fg-sidebar);
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}
#titles h1 {
  position: relative;
  z-index: 2;
  margin: 0;
  font-size: 2rem;
  font-weight: bold;
}
#binary-bg {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 1;
  pointer-events: none; /* allow clicks through */
}
#sidebar-title {
    padding-top: 10px;
    font-family: 'Consolas', 'Menlo', 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', monospaces, serif;
}
@media (max-width: 767px) {
    #titles {
        height: 74px;
    }
    #start {
        margin-top: 0;
    }
    #sidebar-title {
        margin-bottom: 5px;
    }
}
body {
  font-family: sans-serif;
  background: var(--bg-main);
  color: var(--fg-main);
  text-size-adjust: 100%;
  min-height: 100vh;
  position: relative;
}
.scrollytelling {
  display: flex;
  flex-direction: column;
  width: 100%;
  min-height: 100vh;
  background: var(--bg-content);
  position: relative;
}
#sidebar-title, #sidebar-subtitle {
    text-align: center;
}
.step {
  margin: 0 0 40vh;
  padding: .5rem;
  border-left: 4px solid transparent;
  transition: border-color 0.3s;
  width: 100%;
  overflow-x: hidden;
  word-break: break-word;
  hyphens: auto;
  position: relative;
}
.step.is-active {
  border-color: var(--accent) !important;
  background: #2E2E2E;
  z-index: 10;
}
/* Pixel, switch, and bit display */
#on, #off, #pixel { display: flex; justify-content: center; align-items: center; gap: 1rem; margin-bottom: 1rem; }
#on h3, #off h3 { margin: 0; }
#on svg, #off svg { width: 50px; height: 50px; }
#on svg { filter: drop-shadow(0 0 15px yellow); }

.cls-1 { fill: none; stroke: #fff; stroke-miterlimit: 10; stroke-width: 2px; }
.bit-text { fill: #fff; font-family: 'Courier', monospace; font-size: 24px; dominant-baseline: middle; text-anchor: middle; }

p, li { font-size: 1rem; }

/* Sliders and RGB box */
#slider_demo { display: flex; flex-direction: column; align-items: center; gap: 1.5rem; margin: 1rem 0; }
#slider_demo #box { order: -1; margin-bottom: 1.5rem; text-align: center; }
#slider_demo #box svg { max-width: 250px; height: auto; }
#slider_demo > div:not(#box) { width: 100%; max-width: 400px; }
#slider_demo .row { display: flex; flex-direction: row; align-items: center; gap: 1rem; width: 100%; }
#slider_demo .slider { flex: 1; display: flex; gap: 0.5rem; }
#slider_demo input[type="range"] { width: 100%; margin: 0; }
@media (min-width: 768px) {
  #slider_demo { flex-direction: row; flex-wrap: wrap; justify-content: center; gap: 2rem; }
  #slider_demo #box { order: 0; margin-bottom: 0; }
  #slider_demo .row { margin-bottom: 0; }
}

/* --- BeerSlider section --- */
.slider-container {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px; /* space between sliders */
  position: static;
}
.beer-slider {
  width: auto;
  height: 50%;
  margin: 2rem auto;
}
.beer-slider img {
  height: auto;
  display: block;
  margin: 0;
  max-width: 100%;
  transition: none;
  backface-visibility: initial;
}
/* Animation for image flipping */
.flip-animation {
  animation: flip 0.4s ease;
}
@keyframes flip {
  0% { transform: rotateY(0); opacity: 1; }
  50% { transform: rotateY(90deg); opacity: 0.3; }
  100% { transform: rotateY(0); opacity: 1; }
}

/* ONLY apply this style to non-slider images! */
img:not(.beer-slider img) {
  transition: transform 0.4s ease, opacity 0.4s ease;
  backface-visibility: hidden;
  width: 50%;
  height: auto;
  display: block;
  margin: 1rem auto;
  max-width: 100%;
}

/* Special bit coloring */
#lsb, #msb { stroke: red; }
#byte_red rect { stroke: red; }
#byte_green rect { stroke: rgb(0,255,0); }
#byte_blue rect { stroke: blue; }

/* Code, anchor, and grid tweaks */
code {
  color: var(--accent);
  font-size: 1.2rem;
}
a { color: var(--accent); font-size: 1.2rem; }
#grid {
  display: grid;
  grid-template-columns: repeat(50, auto);
  gap: 1px;
}

* {
  hyphens: none;
  /*outline: red solid 1px;*/
}