body {margin:0; padding:0; font-family:sans-serif; font-weight:400; background:#fff; color:#111; font-size:1em;}
a {text-decoration:none;}
h1, h2, h3 {color:#421c3d; font-weight: normal}
.t0 {margin-top:0; padding-top: 0}
.ib {display: inline-block;}
.fl {float:left}
.fr {float:right}
.blue {color: #3A7E9E;}

.wrapper {width:1100px; margin:0 auto;}
.title p {line-height:30px;}
.title a {color:#1E7DA3; font-weight: bold}
.title a:hover {color:#2393BF;}
#header {background:#421c3d; box-shadow:0px 4px 4px #000; border-top:0px solid #fff; padding:20px 0 20px 0; height:80px;}
#footer {float:left; color:#fff; padding:60px 0 60px 0; width:100%; background:url(../images/bg.png); margin-top:30px;}
#footer a {color:#FFF; font-weight:normal}
#footer a:hover {color:#2393BF;}

#logo {float:left; width:250px; margin:5px 0 0 0;}
#menu {float:right; width:850px;}
#menu ul {margin-top:28px; visibility:hidden; float:right; display:block; font-size:30px; font-family: sans-serif; font-weight:200}
#menu ul li {display:inline-block; margin-left:40px; overflow:hidden; /*background:#421c3d;*/ /*padding:10px 15px 10px 15px;*/ border-radius:5px;}
#menu ul li a {visibility:hidden; color:#fff; display:inline-block;}
/*#menu ul li:after {content: "•"; font-size: 20px;}*/
/*#menu ul li:last-child:after {content: "";}*/

.hp_strip {width:100%; background:url(../images/bg.png); /*box-shadow:0px 4px 4px #000;*/ height:100px; padding:150px 0 150px 0; overflow:hidden}
#hp_text {visibility:hidden; text-align:center;  font-size:44px; color:white;}

.white_strip {background:#FFF; float:left; width:100%; margin-top:40px; padding-bottom: 30px;}
/*
.box {width:100%; margin-top:20px; margin-bottom:20px; background:#FFF; padding:0px 0 20px 0;}
.box_content {}
*/
.row {width:100%; float:left; clear:both}
.box {width:45%; float:left; margin-top:20px; margin-bottom:20px; background:#FFF; padding:0px 0 20px 0;}
.box.r {float:right!important;}
.box h2 {background:#421c3d; font-weight:normal; padding:10px 0 12px 20px; color:#fff; border-radius:5px; font-size:26px; font-family: sans-serif; text-transform:none;}
.box p {font-size: 18px; line-height:30px; padding:0 20px 0 20px;}
.box p a {text-decoration:none; color: #421c3d; font-weight: bold}

.getstart {float:left; clear:both; width:100%; padding-top:30px; margin-top:30px; border-top:1px solid #eee}
.getstart h2 {font-weight:normal; color:#421c3d; font-size:32px; font-family: sans-serif; text-transform:none;}
.getstart p {font-size: 24px;}
.getstart p a {text-decoration:none; color: #421c3d; font-weight: bold}

.button {box-shadow:3px 3px 4px rgb(20,20,20); background:#fff; color:#222; cursor:pointer; width:200px; text-align: center; padding:10px 20px 8px 20px; border-radius:10px; font-size:20px; font-family: sans-serif;}
.button:hover {background:#421c3d; color:#fff}
.button a {color:#fff!important; font-weight:400;}

.buy {font-size:30px; background:#421c3d; color:#fff!important; cursor:pointer; border-radius:15px; font-family: sans-serif; box-shadow:3px 3px 4px rgb(20,20,20);  padding:10px 20px 8px 20px; letter-spacing:nowrap;}
.buy:hover {background:#1E7DA3;}

.title {width:100%; background:url(../images/bg.png); border-bottom:2px solid #000; border-top:2px solid #000; padding:30px 0 40px 0;}
.title h1 {color:#FFF; font-family: sans-serif; text-transform: uppercase; font-weight: 300}
.title p {color:#FFF;  font-size: 18px;}

.sel {padding:8px 10px 6px 10px; border-radius:4px; margin:0 6px 10px 0; background:#ddd; display:inline-block; font-size:14px; }
.sel:hover {cursor:pointer; background:#421c3d; color:white}
.sel.flagd {background:#421c3d; color:white}
.anims {width:250px; height:610px;}
.anim_item {width:200px; padding:8px 10px 6px 10px; border-radius:4px; margin-bottom:1px; background:#ddd; display:inline-block; font-size:14px; }
.anim_item:hover, .anim_item.current {cursor:pointer; background:#421c3d; color:white}
.preview {float:left; clear:both;width:100%; background:url(../images/bg.png); border-bottom:2px solid #000; border-top:2px solid #000; padding:150px 0 150px 0; margin-top:20px; overflow:hidden}
.preview_text {text-align:center; font-size:40px; font-weight:300; color:white;}
.labl {display: inline-block;; width:60px;}

.sidebar {width:250px; margin:10px 0 15px 0; padding:15px 10px 0 0;}
.left_list {width:250px; list-style-type:none; padding:0px; margin: 0px;}
.left_list li {padding:8px 10px 6px 10px; width:220px; border-radius:4px; margin:0 6px 10px 0; background:#f0f0f0; display:inline-block; font-size:16px; }
.left_list li a {color:inherit; display:inline-block; width:100%;}
.left_list li:hover {cursor:pointer; background:#421c3d; color:white}
.left_list li.current {background:#421c3d; color:white}
/*
.left_list li.sub {background:none; }
.left_list li.sub ul {list-style-type: none; padding-left:0;}
.left_list li.sub li {background:none; display:inline-block; padding:0;}
*/
.section {padding-top: 0px; padding-bottom:100px; }
.section p {font-size: 18px; line-height: 26px;}
.section h2 {font-size:38px;}
.section h4 {font-size:26px; margin-bottom:0; margin-top:40px; padding-top:30px; font-weight: normal; border-top:1px solid #eee}
.section a {text-decoration:none; color: #3A7E9E; font-weight: bold}
.section a:hover {text-decoration:none; color: #421c3d;}
.example {width:100%; background:url(../images/bg.png); border-bottom:2px solid #000; border-top:2px solid #000; padding:50px 0 50px 0; margin-top:20px; overflow:hidden}
.example_text {text-align:center;  font-size:40px; font-weight:300; color:white;}
.run {width:40px; margin:-38px 0 0 10px; box-shadow:3px 3px 10px rgb(20,20,20); background:#421c3d; cursor:pointer; text-align: center; padding:5px 10px 4px 10px; color:#fff; border-radius:10px; font-size:12px; font-family: sans-serif;}
.run:hover {background:#006a72;}
.output {background:#f0f0f0; border:1px solid #ddd; padding:10px;}
.minibtn {display:inline-block; margin:5px 5px 0 0; width:60px; box-shadow:3px 3px 10px rgb(20,20,20); background:#421c3d; cursor:pointer; text-align: center; padding:5px 10px 4px 10px; color:#fff; border-radius:10px; font-size:12px; font-family: sans-serif;}
.minibtn:hover {background:#006a72;}
.note {padding:20px; border:1px dashed #bbb; border-radius: 10px; background:#F0F0F0}

.ctable{
	border-left: 1px solid #E2E2E2;
    margin-bottom: 15px;
    font-size:1em;
}

.ctable td {
    border-bottom: 1px solid #DDDDDD;
    border-right: 1px solid #DDDDDD;
    line-height: 1.6;
    padding: 7px 10px;
}

.ctable th{
	background: #421c3d;
    border-bottom: 1px solid #aaa;
    border-right: 1px solid #aaa;
    color: #FFFFFF;
    font-weight: normal;
    padding: 10px;
    text-align: left;
}

.ctable tr.even {
    background: none repeat scroll 0 0 #f0f0f0;
}

/* Embedded typeface via @font-face + WOFF2 source */
@font-face {
  font-family: "SpaceGrotesk";
  src: url("https://fonts.gstatic.com/s/spacegrotesk/v21/V8mDoQDjQSkFtoMM3T6r8E7mPbF4Cw.woff2")
    format("woff2");
  font-weight: 300 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "InconsolataCustom";
  src: url("https://fonts.gstatic.com/s/inconsolata/v37/QldKNThLqRwH-OJ1UHjlKGlX5qhExfHwNJU.woff2")
    format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "VT323Bitmap";
  src: url("https://fonts.gstatic.com/s/vt323/v17/pxiKyp0ihIEF2isfFJA.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #ffff;
  --surface: #fffef9;
  --ink: #181715;
  --muted: #5f5a51;
  --accent: #2f52c8;
  --accent-soft: #ffff;
  --rule: #ffff;
  --max: 1280px;
  --radius: 0.9rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "SpaceGrotesk", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height: 1.7;
  font-size: 1.08rem;
  color: var(--ink);
  background: #ffff;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: white;
  padding: 0.6rem 0.8rem;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.site-header,
.hero,
.content-grid,
.site-footer {
  width: min(94%, var(--max));
  margin-inline: auto;
}

.site-header {
  padding: 1.7rem 0 1.8rem;
  border-bottom: 1px solid var(--rule);
  color: #800080;
}

.header-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
}

.kicker {
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-size: 0.84rem;
  color: var(--muted);
  margin: 0;
}

.term {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  font-family: "InconsolataCustom", ui-monospace, SFMono-Regular, Menlo, monospace;
}

h1,
h2,
h3,
h4 {
  line-height: 1.1;
  margin: 0;
}

h1 {
  font-size: clamp(2.7rem, 7.5vw, 6.4rem);
  letter-spacing: -0.02em;
}

.brand-block {
  margin-top: 0.8rem;
}

.tagline {
  margin-top: 0.6rem;
  color: #837380;
  max-width: 54ch;
  font-weight: 500;
  font-size: 1.15rem;
}


.main-nav ul {
  margin: 1.45rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.main-nav a {
  text-decoration: none;
  color: #ffff;
  border-radius: 999px;
  padding: 0.58rem 1rem;
  font-size: 1rem;
  transition: all 180ms ease;
  background: #800080;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

.hero {
  padding: 2.4rem 0;
  border-bottom: 1px solid var(--rule);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 430px);
  gap: 1.8rem;
  align-items: stretch;
}

.hero h2 {
  font-size: clamp(1.8rem, 3.1vw, 2.8rem);
  max-width: 22ch;
}

.hero p {
  max-width: 70ch;
  margin-top: 1rem;
}

.specimen {
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background:
    linear-gradient(0deg, rgba(47, 82, 200, 0.08), rgba(47, 82, 200, 0.08)),
    repeating-linear-gradient(
      to right,
      transparent,
      transparent 22px,
      rgba(24, 23, 21, 0.06) 22px,
      rgba(24, 23, 21, 0.06) 23px
    ),
    var(--surface);
  overflow: hidden;
  display: grid;
  place-items: center;
  min-height: 220px;
}

.specimen p {
  margin: 0;
  width: max-content;
  font-size: clamp(1.25rem, 2.6vw, 1.9rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-family: "VT323Bitmap", "InconsolataCustom", ui-monospace, monospace;
  animation: drift 22s linear infinite;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(220px, 290px) minmax(0, 1fr);
  gap: 1.8rem;
  padding: 2rem 0 2.6rem;
}

.toc {
  position: sticky;
  top: 1rem;
  align-self: start;
  background: #ffffff;
  border: 5px solid #fdf5fd;
  border-radius: var(--radius);
  padding: 1.2rem;
}

.toc h3 {
  font-size: 1.12rem;
  margin-bottom: 0.8rem;
  color: #800080;
  font-weight: 600;
}

.toc ol {
  margin: 0;
  padding-left: 1.1rem;
}

.toc a {
  color: var(--ink);
  text-decoration: none;
}

.toc a:hover {
  color: var(--accent);
}


.main-article {
  display: grid;
  gap: 1.3rem;
}

.panel {
  background: #fdf5fd;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 1.25rem 1.3rem 1.45rem;
  animation: rise 0.5s ease both;
}

.panel-2 {
  background: #ffffff;
  border: 5px solid #fdf5fd;
  border-radius: var(--radius);
  padding: 1.25rem 1.3rem 1.45rem;
  animation: rise 0.5s ease both;
}

.panel h3 {
  margin-bottom: 0.8rem;
  font-size: 1.52rem;
}

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.timeline li {
  border-left: 3px solid #9db4ff;
  padding-left: 0.8rem;
  background: none;
  border-radius: 0.2rem;
}

.year {
  display: inline-block;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.card {
  border: 1px solid var(--rule);
  border-radius: 0.5rem;
  padding: 1rem;
  background: #fff;
}

.card h4 {
  margin-bottom: 0.45rem;
  font-size: 1.12rem;
}

.glyph-band {
  margin-top: 1.15rem;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.7rem;
}

.glyph-band span {
  border: 1px solid var(--rule);
  border-radius: 0.45rem;
  background: #fff;
  text-align: center;
  font-size: clamp(1.6rem, 3.8vw, 2.5rem);
  letter-spacing: -0.01em;
  padding: 0.62rem 0.24rem;
}

.image-figure {
  margin: 1.15rem auto 0;
  width: min(100%, 460px);
  border: none;
  border-radius: 0;
  background: transparent;
  overflow: visible;
}

.image-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.image-figure figcaption {
  margin: 0;
  padding: 0.55rem 0.1rem 0;
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--muted);
  border-top: none;
}

.interrupt-stack {
  position: relative;
  min-height: 150px;
  margin: 1rem 0 0.25rem;
  border: 1px solid var(--rule);
  border-radius: 0.55rem;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(128, 0, 128, 0.08), transparent 60%),
    repeating-linear-gradient(
      to right,
      rgba(0, 0, 0, 0.04) 0,
      rgba(0, 0, 0, 0.04) 1px,
      transparent 1px,
      transparent 12px
    ),
    #fff;
}

.interrupt-stack .layer {
  position: absolute;
  display: block;
  text-transform: uppercase;
  line-height: 1;
  pointer-events: none;
}

.interrupt-stack .layer-a {
  left: 0.8rem;
  top: 0.8rem;
  font-size: clamp(1.85rem, 7vw, 3.8rem);
  letter-spacing: 0.07em;
  color: rgba(35, 18, 63, 0.9);
  font-family: "SpaceGrotesk", system-ui, sans-serif;
}

.interrupt-stack .layer-b {
  right: 0.7rem;
  top: 2.5rem;
  font-size: clamp(1.3rem, 5vw, 2.8rem);
  letter-spacing: 0.08em;
  color: #8000806b;
  transform: rotate(-2deg);
  mix-blend-mode: multiply;
  font-family: "InconsolataCustom", ui-monospace, monospace;
}

.interrupt-stack .layer-c {
  left: 1.1rem;
  bottom: 0.65rem;
  font-size: clamp(1rem, 3.5vw, 1.85rem);
  letter-spacing: 0.12em;
  color: rgba(47, 82, 200, 0.9);
  text-shadow:
    1px 0 rgba(255, 0, 0, 0.35),
    -1px 0 rgba(0, 0, 255, 0.35);
  font-family: "VT323Bitmap", "InconsolataCustom", ui-monospace, monospace;
}

.principles {
  margin: 0;
}

.principles dt {
  margin-top: 1rem;
  font-weight: 700;
  font-size: 1.06rem;
}

.principles dd {
  margin: 0.3rem 0 0;
  color: var(--muted);
}

.sources-list {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.55rem;
}

.citation-note {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 1rem;
}

.site-footer {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  flex-direction: row;
  gap: 1rem;
  border-top: 1px solid var(--rule);
  padding: 1.5rem 0 2.4rem;
  color: var(--muted);
  text-align: right;
}

.site-footer a {
  text-decoration: none;
  color: #ffff;
  border-radius: 999px;
  padding: 0.58rem 1rem;
  font-size: 1rem;
  transition: all 180ms ease;
  background: #800080;
  align-items: center;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes drift {
  from {
    transform: translateX(10%);
  }
  to {
    transform: translateX(-40%);
  }
}

@media (max-width: 860px) {
  .header-meta {
    flex-direction: column;
    gap: 0.2rem;
  }

  .hero {
    grid-template-columns: 1fr;
  }

  .content-grid {
    grid-template-columns: 1fr;
  }

  .toc {
    position: static;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .glyph-band {
    grid-template-columns: repeat(3, 1fr);
  }
}