@font-face { font-family: 'mono-fallback'; src: local('Courier New'); }

:root {
  --bg: #0a0a0a;
  --fg: #e6e6e6;
  --dim: #7a7a7a;
  --line: #3a3a3a;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: 'Courier New', 'JetBrains Mono', monospace;
  font-size: 14px;
  line-height: 1.5;
}

::selection { background: var(--fg); color: var(--bg); }

#ascii-canvas {
  width: 100%;
  flex: 1 1 auto;
  min-height: 0;
  background: var(--bg);
  white-space: pre;
  font-family: monospace;
  color: var(--fg);
}

/* AsciiEffect renders into a <table> that never quite tiles the container
   pixel-for-pixel; force every nested layer to share the page background and
   zero any default table spacing so the rounding remainder never shows as a seam */
#ascii-canvas, #ascii-canvas * {
  background: var(--bg);
  border: none;
  border-collapse: collapse;
  border-spacing: 0;
}

#ascii-canvas pre {
  margin: 0;
  letter-spacing: -1px;
}

.hero {
  height: 100vh;
  display: flex;
  flex-direction: column;
}

.hero-text {
  text-align: center;
  padding: 1.6rem 1rem 0.6rem;
}

.hero-text h1 {
  margin: 0;
  font-size: clamp(1.4rem, 4vw, 2.6rem);
  letter-spacing: 0.3em;
}

.hero-text p {
  margin: 0.5em 0 0;
  color: var(--dim);
  letter-spacing: 0.15em;
}

main {
  max-width: 980px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

section { margin-bottom: 5rem; }

h2 {
  font-size: 1rem;
  letter-spacing: 0.25em;
  color: var(--fg);
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.8rem;
  margin-bottom: 1.5rem;
}

h2::before { content: "// "; color: var(--dim); }

pre.box {
  border: 1px solid var(--line);
  padding: 1.2rem;
  overflow-x: auto;
  color: var(--fg);
}

pre.box .dim { color: var(--dim); }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

th, td {
  border: 1px solid var(--line);
  padding: 0.5rem 0.7rem;
  text-align: left;
  white-space: nowrap;
}

th { color: var(--dim); font-weight: normal; letter-spacing: 0.05em; }

tr:hover td { background: #141414; }

.videos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 720px) {
  .videos { grid-template-columns: 1fr; }
}

.video-block { border: 1px solid var(--line); padding: 1rem; }

.video-block h3 {
  margin: 0 0 0.8rem;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  color: var(--dim);
}

.video-block iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  background: #000;
}

.video-block a {
  display: inline-block;
  margin-top: 0.6rem;
  font-size: 0.8rem;
}

a {
  color: var(--fg);
  text-decoration: none;
  border-bottom: 1px dotted var(--dim);
}

a:hover { color: #fff; border-bottom-color: var(--fg); }

.btn-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.btn-row .btn:first-child {
  grid-column: 1 / -1;
}

@media (max-width: 720px) {
  .btn-row { grid-template-columns: 1fr; }
}

.btn {
  display: block;
  border: 1px solid var(--line);
  padding: 0.8rem 1.2rem;
  min-width: 0;
}

.btn .label { color: var(--dim); font-size: 0.75rem; letter-spacing: 0.1em; display: block; margin-bottom: 0.3rem; }
.btn .value { font-size: 0.95rem; }
.btn .meta { color: var(--dim); font-size: 0.75rem; }

.note {
  color: var(--dim);
  font-size: 0.78rem;
  margin-top: 1rem;
  border-left: 2px solid var(--line);
  padding-left: 0.8rem;
}

footer {
  text-align: center;
  color: var(--dim);
  font-size: 0.75rem;
  padding: 2rem 0;
  border-top: 1px solid var(--line);
}

/* --- persistent scroll HUD: gives the rest of the page a live readout too --- */

.scanline-sweep {
  position: fixed;
  left: 0;
  right: 0;
  top: -2px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--fg), transparent);
  opacity: 0.06;
  z-index: 41;
  pointer-events: none;
  animation: scan-sweep 9s linear infinite;
}

@keyframes scan-sweep {
  0% { top: -2px; }
  100% { top: 100vh; }
}

.scroll-rail {
  position: fixed;
  right: 22px;
  top: 15vh;
  height: 70vh;
  width: 120px;
  z-index: 60;
  pointer-events: none;
}

.rail-track {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--line);
}

.rail-fill {
  position: absolute;
  right: 0;
  top: 0;
  width: 1px;
  height: 0%;
  background: var(--fg);
  opacity: 0.6;
}

.rail-marker {
  position: absolute;
  right: -2.5px;
  top: 0%;
  width: 6px;
  height: 6px;
  border: 1px solid var(--fg);
  background: var(--bg);
  transform: translateY(-50%);
}

.rail-label {
  position: absolute;
  right: 14px;
  top: 0%;
  transform: translateY(-50%);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--dim);
  white-space: nowrap;
  text-align: right;
}

@media (max-width: 720px) {
  .scroll-rail {
    display: none;
  }
}