/* Metis deck — scroll-snapped editorial slides. Each slide owns a canvas "film". */
html {
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
  height: 100%;
  overflow-y: scroll;
}

/* ---------- dots ---------- */
.dots {
  position: fixed; right: 18px; top: 50%;
  transform: translateY(-50%);
  z-index: 40;
  display: flex; flex-direction: column; gap: 10px;
}
.dots a {
  width: 10px; height: 10px; border-radius: 50%;
  border: 1.5px solid var(--ink);
  background: transparent;
  transition: transform .25s, background .25s;
  position: relative;
}
.dots a:hover { transform: scale(1.3); }
.dots a.on { background: var(--vermilion); border-color: var(--vermilion); transform: scale(1.25); }
.dots a span {
  position: absolute; right: 18px; top: 50%; transform: translateY(-50%);
  white-space: nowrap;
  font: 500 11px/1 var(--sans); letter-spacing: .12em; text-transform: uppercase;
  background: var(--ink); color: var(--paper); padding: 6px 8px; border-radius: 2px;
  opacity: 0; pointer-events: none; transition: opacity .2s;
}
.dots a:hover span { opacity: 1; }
body.on-dark .dots a { border-color: var(--paper); }
body.on-dark .dots a.on { border-color: var(--vermilion); }

/* ---------- slides ---------- */
.slide {
  position: relative;
  height: 100vh; height: 100dvh;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  overflow: hidden;
  padding: calc(var(--bar) + 20px) 64px 28px 48px;
  display: flex; align-items: center;
  border-bottom: 1px solid var(--rule);
}
.slide:nth-child(even):not(.dark):not(.close) { background: var(--paper-3); }
.wrap {
  width: 100%; max-width: 1360px; height: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(300px, 5fr) 7fr;
  gap: 48px;
  align-items: center;
}
.wrap.wide { grid-template-columns: 1fr; grid-auto-rows: auto; align-content: center; gap: 28px; }
.wrap.wide .copy { max-width: 920px; }
.wrap.flip { grid-template-columns: 7fr minmax(300px, 5fr); }
.wrap.flip .copy { order: 2; }

.copy { position: relative; z-index: 2; min-width: 0; }
.copy > * {
  opacity: 0; transform: translateY(16px);
  transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1);
  transition-delay: calc(var(--i, 0) * 90ms + 120ms);
}
.is-active .copy > *, .is-active .close-copy > * { opacity: 1; transform: none; }

h2 {
  font-size: clamp(30px, 3.5vw, 54px);
  line-height: 1.04;
  font-variation-settings: "opsz" 144;
  margin-bottom: 18px;
  text-wrap: balance;
}
.masthead {
  font-size: clamp(72px, 10.5vw, 172px);
  line-height: .84;
  font-weight: 700;
  letter-spacing: -.04em;
  font-variation-settings: "opsz" 144;
  margin: 4px 0 10px;
}
.masthead span { font-style: italic; font-weight: 300; color: var(--vermilion); }
.strap { font: italic 400 clamp(22px, 2.2vw, 32px)/1.2 var(--serif); margin: 0 0 16px; }
.deck {
  font: 400 clamp(15px, 1.15vw, 18px)/1.55 var(--sans);
  color: var(--ink-soft);
  max-width: 56ch;
  margin: 0 0 22px;
}
.deck strong { color: var(--ink); }
.deck.small { font-size: 14px; margin: 14px 0 0; }

/* art */
.art { position: relative; height: 100%; max-height: 760px; display: flex; flex-direction: column; min-height: 0; min-width: 0; }
.stage { position: relative; flex: 1; min-height: 0; width: 100%; }
.stage canvas { position: absolute; inset: 0; display: block; }
.stage.full { position: absolute; inset: 0; }
.caption {
  font: italic 400 13px/1.4 var(--serif);
  color: var(--ink-soft);
  padding-top: 10px;
  border-top: 1px solid var(--rule);
  opacity: 0; transition: opacity 1s 1.2s;
}
.is-active .caption { opacity: 1; }

/* cover */
.cue { margin: 26px 0 0; display: flex; align-items: center; gap: 12px; font: 600 11px/1 var(--sans); letter-spacing: .22em; text-transform: uppercase; color: var(--ink-soft); }
.cue i { width: 1px; height: 36px; background: var(--ink); position: relative; overflow: hidden; }
.cue i::after { content: ""; position: absolute; left: 0; top: -40%; width: 1px; height: 40%; background: var(--vermilion); animation: cue 1.8s infinite ease-in-out; }
@keyframes cue { to { top: 100%; } }
.legend { list-style: none; margin: 0 0 8px; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1.5px solid var(--ink); }
.legend li { padding: 10px 10px 8px 0; font: 500 12px/1.35 var(--sans); color: var(--ink-soft); border-bottom: 1px solid var(--rule); }
.legend li + li { padding-left: 10px; border-left: 1px solid var(--rule); }
.legend b { display: flex; align-items: center; gap: 7px; font: italic 500 18px/1.2 var(--serif); color: var(--ink); margin-bottom: 2px; }
.legend b::before { content: ""; width: 10px; height: 10px; border: 1.2px solid var(--ink); background: var(--c); border-radius: 50%; flex: none; }

/* lists */
.years { list-style: none; margin: 0; padding: 0; border-top: 1.5px solid var(--ink); }
.years li { display: grid; grid-template-columns: 92px 1fr; gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--rule); font: 400 14px/1.45 var(--sans); color: var(--ink-soft); }
.years b { font: italic 500 18px/1.2 var(--serif); color: var(--vermilion); }
.rules { list-style: none; margin: 0; padding: 0; border-top: 1.5px solid var(--ink); display: grid; grid-template-columns: 1fr 1fr; }
.rules li { padding: 9px 12px 9px 0; border-bottom: 1px solid var(--rule); font: 400 13.5px/1.4 var(--sans); color: var(--ink-soft); }
.rules li:nth-child(even) { padding-left: 12px; border-left: 1px solid var(--rule); }
.rules b { display: block; font: italic 500 18px/1.2 var(--serif); color: var(--ink); }
.links { margin: 0; border-top: 1.5px solid var(--ink); display: grid; grid-template-columns: 1fr 1fr; }
.links div { padding: 9px 12px 9px 0; border-bottom: 1px solid var(--rule); }
.links div:nth-child(even) { padding-left: 12px; border-left: 1px solid var(--rule); }
.links dt { font: italic 500 19px/1.2 var(--serif); color: var(--vermilion); }
.links dd { margin: 2px 0 0; font: 400 13px/1.4 var(--sans); color: var(--ink-soft); }
.versus { display: grid; grid-template-columns: 1fr 1fr; border-top: 1.5px solid var(--ink); }
.versus div { padding: 10px 12px 10px 0; border-bottom: 1px solid var(--rule); font: 400 13.5px/1.4 var(--sans); color: var(--ink-soft); }
.versus div + div { padding-left: 12px; border-left: 1px solid var(--rule); }
.versus b { display: block; font: italic 500 20px/1.2 var(--serif); color: var(--ink); text-decoration: line-through; text-decoration-color: var(--vermilion); }
.versus .win b { text-decoration: none; color: var(--teal); }
.punch { font: italic 400 clamp(22px, 2.4vw, 36px)/1.15 var(--serif); margin: 8px 0 0; text-align: center; opacity: 0; transition: opacity 1s 2.2s; }
.punch em { color: var(--vermilion); }
.is-active .punch { opacity: 1; }
.punch.left { text-align: left; font-size: clamp(20px, 1.9vw, 28px); margin-top: 14px; }
blockquote { margin: 0 0 14px; padding: 4px 0 4px 16px; border-left: 3px solid var(--amber); font: italic 400 clamp(16px, 1.3vw, 20px)/1.4 var(--serif); }
blockquote cite { display: block; margin-top: 6px; font: 600 11px/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; font-style: normal; color: var(--ink-soft); }

/* interactive pickers */
.zones { display: grid; gap: 6px; }
.zones button, .steps button {
  all: unset; box-sizing: border-box; cursor: pointer;
  display: grid; grid-template-columns: 14px 150px 1fr; gap: 10px; align-items: baseline;
  padding: 8px 10px; border: 1px solid var(--rule); border-radius: 3px;
  font: 400 13px/1.35 var(--sans); color: var(--ink-soft);
  transition: background .25s, border-color .25s, transform .25s;
}
.zones button::before { content: ""; width: 12px; height: 12px; border-radius: 50%; background: var(--c); border: 1.2px solid var(--ink); align-self: center; }
.zones button b { font: italic 500 17px/1.2 var(--serif); color: var(--ink); }
.zones button:hover, .steps button:hover { border-color: var(--ink); }
.zones button.on, .steps button.on { background: var(--ink); color: #C9D0D8; border-color: var(--ink); transform: translateX(4px); }
.zones button.on b, .steps button.on b { color: var(--paper); }
.zones button:focus-visible, .steps button:focus-visible { outline: 2px solid var(--vermilion); outline-offset: 2px; }
.steps { display: grid; gap: 6px; margin-bottom: 4px; }
.steps button { grid-template-columns: 30px 1fr; grid-template-rows: auto auto; }
.steps button em { grid-row: 1 / 3; font: italic 500 26px/1 var(--serif); color: var(--c, var(--vermilion)); }
.steps button b { font: italic 500 17px/1.2 var(--serif); color: var(--ink); }
.steps button.on em { color: var(--amber); }

/* plates (four-up illustrations) */
.plates { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; align-self: start; padding-top: 8px; }
.plate { margin: 0; position: relative; z-index: 1; }
.plate svg { width: 100%; max-width: 220px; aspect-ratio: 1; display: block; margin: 0 auto 18px; overflow: visible; }
.plate .disc { fill: var(--c); stroke: var(--ink); stroke-width: 1.2; transform-origin: 60px 60px; transform: scale(0); transition: transform .8s cubic-bezier(.3,1.4,.5,1); transition-delay: calc(var(--k) * .35s + .2s); }
.plate .draw { fill: none; stroke: var(--ink); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 1; stroke-dashoffset: 1; }
.plate .draw.light { stroke: var(--paper); }
.is-active .plate .disc { transform: scale(1); }
.is-active .plate .draw { animation: draw 1.6s cubic-bezier(.6,0,.3,1) forwards; animation-delay: calc(var(--k) * .35s + .5s); }
@keyframes draw { to { stroke-dashoffset: 0; } }
.plate figcaption {
  font: 400 14px/1.45 var(--sans); color: var(--ink-soft);
  border-top: 1.5px solid var(--ink); padding-top: 12px;
  opacity: 0; transform: translateY(10px); transition: all .6s; transition-delay: calc(var(--k) * .35s + .9s);
}
.is-active .plate figcaption { opacity: 1; transform: none; }
.plate figcaption b { display: block; font: 500 26px/1.1 var(--serif); color: var(--ink); }
.plate figcaption span { display: block; font: 500 12px/1.6 var(--mono); color: var(--vermilion); margin: 2px 0 6px; }

/* checklist */
.standard { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; column-gap: 40px; border-top: 1.5px solid var(--ink); }
.standard li {
  position: relative; display: grid; grid-template-columns: 34px 1fr auto; gap: 12px; align-items: baseline;
  padding: 13px 0; border-bottom: 1px solid var(--rule); font: 400 15.5px/1.4 var(--sans); color: var(--ink-soft);
  opacity: 0; transform: translateX(-10px); transition: opacity .5s, transform .5s;
  transition-delay: calc(var(--k, 0) * .16s + .3s);
}
.standard li::before {
  content: "✓"; width: 26px; height: 26px; border-radius: 50%; border: 1.5px solid var(--ink);
  display: grid; place-items: center; font: 700 14px/1 var(--sans); color: var(--paper); background: var(--paper);
  transition: background .4s; transition-delay: calc(var(--k, 0) * .16s + .6s); align-self: center;
}
.standard li b { font: italic 500 20px/1.2 var(--serif); color: var(--ink); }
.standard li span { font: 500 11px/1 var(--mono); color: var(--vermilion); text-align: right; }
.standard li div { min-width: 0; }
.is-active .standard li { opacity: 1; transform: none; }
.is-active .standard li::before { background: var(--teal); }

/* dark slide */
.slide.dark { background: var(--night); color: var(--paper); }
.dark .kicker, .dark .deck, .dark .stat span, .dark .src, .dark .caption { color: #B8C0D4; }
.dark .deck strong, .dark .stat b { color: var(--paper); }
.dark h2 em { color: var(--amber); }
.dark .stats { border-top-color: var(--paper); }
.dark .stat { border-color: rgba(243,240,232,.16); }
.dark .caption { border-color: rgba(243,240,232,.16); }
.dark .years li, .dark .rules li, .dark .links div, .dark .versus div { border-color: rgba(243,240,232,.16); }
.dark .years, .dark .rules, .dark .links, .dark .versus { border-top-color: var(--paper); }
.dark .rules b, .dark .versus b { color: var(--paper); }
.dark .rules li, .dark .versus div, .dark .links dd, .dark .years li { color: #B8C0D4; }
.dark blockquote cite { color: #B8C0D4; }

/* close */
.slide.close { background: var(--night); color: var(--paper); padding: 0; }
.close::before { content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(90deg, rgba(20,26,48,.86) 0%, rgba(20,26,48,.6) 45%, rgba(20,26,48,0) 78%); }
.close-copy {
  position: relative; z-index: 2;
  max-width: 780px; margin: 0 auto 0 8vw; padding: calc(var(--bar) + 20px) 24px 0;
  align-self: flex-start; margin-top: 8vh;
}
.close-copy > * { opacity: 0; transform: translateY(16px); transition: opacity .8s, transform .8s; transition-delay: calc(var(--i, 0) * 120ms + .6s); }
.close h2 { font-size: clamp(34px, 4.6vw, 76px); font-weight: 300; line-height: 1; }
.close h2 .dim { font-style: italic; color: #8E98B8; }
.close h2 .glow { font-style: italic; font-weight: 500; color: var(--amber); }
.close .deck { color: #C9CFDF; }
.close .deck strong { color: var(--amber); }
.kicker.light { color: var(--amber); }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.close .btn { background: var(--paper); color: var(--night); border-color: var(--paper); }
.close .btn.ghost { background: transparent; color: var(--paper); }
.close .btn:hover { background: var(--amber); border-color: var(--amber); color: var(--night); }

/* notes */
.sources {
  list-style: none; margin: 0; padding: 0;
  columns: 2; column-gap: 40px;
  border-top: 1.5px solid var(--ink);
  font: 400 12.5px/1.5 var(--sans); color: var(--ink-soft);
}
.sources li { break-inside: avoid; padding: 8px 0; border-bottom: 1px solid var(--rule); }
.sources b { color: var(--ink); font-weight: 600; }
.sources a { color: var(--ink-soft); text-decoration-color: var(--rule-strong); }
.notes .wrap { overflow-y: auto; align-content: start; padding-top: 12px; }
.colophon { font: italic 400 14px/1.4 var(--serif); color: var(--ink-soft); margin: 18px 0 0; }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .slide { padding-right: 44px; padding-left: 28px; }
  .wrap, .wrap.flip { gap: 28px; grid-template-columns: minmax(280px, 1fr) 1fr; }
}
@media (max-width: 820px), (max-aspect-ratio: 4/5) {
  :root { --bar: 46px; }
  .bar { padding: 0 16px; gap: 12px; }
  .bar-issue { display: none; }
  .bar .mark { flex: 1; }
  .bar-count { display: none; }
  .dots { right: 6px; gap: 7px; }
  .dots a { width: 7px; height: 7px; border-width: 1.2px; }
  .dots a span { display: none; }
  .slide { padding: calc(var(--bar) + 12px) 22px 14px 16px; align-items: stretch; }
  .wrap, .wrap.flip { grid-template-columns: 1fr; grid-template-rows: auto minmax(0, 1fr); gap: 10px; align-content: stretch; }
  .wrap.flip .copy { order: 0; }
  .wrap.wide { align-content: center; grid-template-rows: none; }
  h2 { font-size: clamp(23px, 6.4vw, 34px); margin-bottom: 10px; }
  .masthead { font-size: clamp(60px, 19vw, 104px); }
  .strap { font-size: 20px; margin-bottom: 8px; }
  .kicker { margin-bottom: 8px; }
  .deck { font-size: 14px; margin-bottom: 12px; line-height: 1.45; }
  .stats.s4 { grid-template-columns: repeat(2, 1fr); }
  .stats.s4 .stat:nth-child(3) { border-left: 0; padding-left: 0; }
  .stat { padding: 7px 8px 7px 0; }
  .stat + .stat { padding-left: 8px; }
  .stat b { font-size: clamp(19px, 5.4vw, 26px); margin-bottom: 3px; }
  .stat span { font-size: 11px; }
  .src, .cue, .caption { display: none; }
  .art { max-height: none; }
  .legend { grid-template-columns: repeat(2, 1fr); }
  .legend li:nth-child(3) { border-left: 0; padding-left: 0; }
  .legend b { font-size: 15px; }
  .legend li { font-size: 11px; padding: 5px 6px 5px 0; }
  .years, .rules, .links, .versus, blockquote, .tags, .deck.small, .m-hide { display: none; }
  .punch { font-size: 20px; margin-top: 4px; }
  .punch.left { display: none; }
  .zones { grid-template-columns: repeat(2, 1fr); gap: 4px; }
  .zones button { grid-template-columns: 10px 1fr; padding: 6px; font-size: 0; gap: 6px; }
  .zones button::before { width: 9px; height: 9px; }
  .zones button b { font-size: 13px; }
  .steps { grid-template-columns: repeat(5, 1fr); gap: 4px; }
  .steps button { grid-template-columns: 1fr; font-size: 0; padding: 6px 2px; text-align: center; }
  .steps button b { font-size: 10px; font-style: normal; font-family: var(--sans); }
  .steps button em { font-size: 18px; grid-row: auto; }
  .plates { grid-template-columns: repeat(2, 1fr); gap: 14px 16px; }
  .plate svg { max-width: 88px; margin-bottom: 8px; }
  .plate figcaption { font-size: 12px; padding-top: 6px; }
  .plate figcaption b { font-size: 19px; }
  .standard { grid-template-columns: 1fr; }
  .standard li { padding: 7px 0; font-size: 13px; grid-template-columns: 28px 1fr; }
  .standard li b { font-size: 15px; }
  .standard li span { display: none; }
  .standard li::before { width: 20px; height: 20px; font-size: 11px; }
  .sources { columns: 1; font-size: 11.5px; line-height: 1.35; }
  .sources li { padding: 5px 0; }
  .close-copy { margin: 0; padding: calc(var(--bar) + 16px) 20px 0; }
  .close h2 { font-size: 32px; }
  .colophon { font-size: 12px; }
}
@media (max-height: 760px) and (min-width: 821px) {
  .deck { font-size: 14.5px; margin-bottom: 14px; }
  h2 { font-size: clamp(28px, 3vw, 44px); }
  .stat { padding-top: 8px; padding-bottom: 8px; }
  .stat b { font-size: 28px; }
  .years li, .rules li, .links div { padding-top: 6px; padding-bottom: 6px; }
  .zones button, .steps button { padding: 6px 10px; }
  .standard li { padding: 9px 0; }
  .plate svg { max-width: 160px; }
}

/* archetype cards (8-up) */
.types { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1.5px solid var(--ink); }
.types li {
  padding: 14px 16px 14px 0; border-bottom: 1px solid var(--rule); font: 400 13.5px/1.4 var(--sans); color: var(--ink-soft);
  opacity: 0; transform: translateY(10px); transition: opacity .5s, transform .5s; transition-delay: calc(var(--k, 0) * .12s + .3s);
}
.types li:not(:nth-child(4n+1)) { padding-left: 16px; border-left: 1px solid var(--rule); }
.types li b { display: block; font: italic 500 22px/1.15 var(--serif); color: var(--ink); margin-bottom: 4px; }
.types li i { display: block; font: 600 10.5px/1.4 var(--sans); letter-spacing: .1em; text-transform: uppercase; font-style: normal; color: var(--vermilion); margin-top: 8px; }
.types li i.ok { color: var(--teal); }
.is-active .types li { opacity: 1; transform: none; }
.cover .cta { margin-top: 22px; }
@media (max-width: 820px), (max-aspect-ratio: 4/5) {
  .types { grid-template-columns: repeat(2, 1fr); }
  .types li, .types li:not(:nth-child(4n+1)) { padding: 7px 8px 7px 0; border-left: 0; font-size: 12px; }
  .types li span { display: none; }
  .types li:nth-child(even) { padding-left: 8px; border-left: 1px solid var(--rule); }
  .types li b { font-size: 16px; margin: 0; }
  .types li i { font-size: 9.5px; margin-top: 2px; }
  .cover .cta { margin-top: 12px; }
}