:root{
    --bg:#000;
    --fg:#fff;
    --muted: #cfcfcf;
    --max-width: 900px;
}
html,body{height:100%;}
body{
    margin:0;
    background:var(--bg);
    color:var(--fg);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
    display:flex;
    justify-content:center;
    align-items:flex-start; /* start so page scrolls naturally */
    padding:40px 20px;
    line-height:1.6;
}

.wrap{
    width:100%;
    max-width:var(--max-width);
    text-align:center; /* center text and figures */
    margin:0 auto;
}

h1{
    font-size:clamp(1.4rem, 2.6vw, 2.2rem);
    margin:0 0 .5rem 0;
    letter-spacing: -0.01em;
}

p.lead{
    color:var(--muted);
    margin-top:0;
    margin-bottom:1.25rem;
    font-size:1rem;
}

figure{
    margin:2rem 0;
    display:flex;
    flex-direction:column;
    gap:.5rem;
    align-items:center; /* center the image */
}

img{
    max-width:100%;
    height:auto;
    display:block;
    border-radius:12px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.6), 0 1px 0 rgba(255,255,255,0.03) inset;
    object-fit:cover;
}

figcaption{
    font-size:.9rem;
    color:var(--muted);
    max-width:80ch;
}

.image-row {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin: 2rem 0; /* ⬅ same as your figure spacing */
}

.image-row img {
max-width: 30%;
height: auto;
border-radius: 12px;
box-shadow: 0 8px 30px rgba(0,0,0,0.6);
}

/* Small helper to keep long paragraphs readable */
.content p{margin:0 0 1rem 0; text-align:left;}

@media (max-width:600px){
    body{padding:28px 14px}
    .wrap{padding:0}
    .content p{font-size:1rem}
}
a {
color: #66b3ff;            /* light blue link color */
text-decoration: underline; /* or none if you prefer */
}

a:hover {
color: #99ccff;
text-decoration: none;      /* optional hover style */
}

/* Accessibility: high contrast focus styles */
a, button{outline-color:transparent}
:focus{outline:3px solid #fff3; outline-offset:3px}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce){
    *{transition:none!important}
}

.code-box {
position: relative;
background: #111;
border: 1px solid #333;
border-radius: 8px;
padding: 1rem;
margin: 2rem 0;
text-align: left;
overflow-x: auto;  /* allows horizontal scroll if needed */
}

.code-box pre {
margin: 0;
color: #eee;
font-family: "Fira Code", monospace;
font-size: 0.95rem;
line-height: 1.5;
white-space: pre; /* keeps indentation */
}

.copy-btn {
position: absolute;
top: 8px;
right: 8px;
background: #222;
color: #ccc;
border: 1px solid #444;
border-radius: 6px;
padding: 0.25rem 0.6rem;
font-size: 0.8rem;
cursor: pointer;
transition: all 0.2s ease;
}

.copy-btn:hover {
background: #444;
color: #fff;
}

.video-section {
  margin-bottom: 2.5rem;
}

.video-container {
  position: relative;
  width: 100%;
  max-width: 900px; /* matches your text width */
  aspect-ratio: 16 / 9; /* keeps proper video proportions */
  margin: 0 auto; /* centers it */
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.6);
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}