/* ============================================================
   Ethan Lung — Portfolio
   The court is the interface: court geometry composes the hero,
   scroll drives the experience chapters, data becomes visual.
   ------------------------------------------------------------
   00 Tokens        07 Work index             14 About
   01 Base          08 Case studies           15 Contact + foot
   02 Type          09 Wayfinder fx           16 Motion gating
   03 Furniture     10 Network fx             17 Responsive
   04 (removed)     11 TennisTrades live      18 Print
   05 Nav/drawer    12 Experience stage
   06 Hero court    13 Atmosphere
   ============================================================ */

/* ---------- 00 Tokens ---------- */
:root {
  --cream:      #F4F0E6;
  --cream-deep: #EBE6D6;
  --paper:      #FAF8F1;
  --cool:       #EDEFE9;
  --warm:       #F3E9D7;
  --ink:        #20231F;
  --ink-soft:   #4A4E47;
  --forest:     #26392D;
  --grass:      #5B705A;
  --clay:       #B76543;
  --clay-soft:  #D99A7B;

  --line:       color-mix(in srgb, var(--ink) 14%, transparent);
  --line-soft:  color-mix(in srgb, var(--ink) 8%, transparent);
  --line-light: color-mix(in srgb, var(--cream) 18%, transparent);

  --accent: var(--clay);          /* swaps per hovered project */
  --page-bg: var(--cream);        /* swaps per section atmosphere */

  /* court surfaces */
  --grass-bg:  #ECEFE2;
  --hard-bg:   #213427;
  --hard-deep: #1A2A1F;
  --clay-bg:   #E8D3BF;
  --clay-deep: #DFC3A9;

  /* distance from the content edge to the viewport edge, and the sideline
     offset inside it: the hero court, the fixed rails and every spread
     bleed share these */
  --edge: max(var(--gut), calc((100vw - var(--wrap)) / 2 + var(--gut)));
  --side: clamp(1rem, 2.2vw, 2.4rem);

  --serif: "Fraunces", "Hoefler Text", "Times New Roman", serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono:  "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --wrap: 1320px;
  --gut: clamp(1.25rem, 5vw, 5.5rem);

  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- 01 Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--page-bg);
  transition: background-color .9s var(--ease);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 350;
  line-height: 1.68;
  letter-spacing: -.006em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  /* NOT overflow-x:hidden — that makes body the sticky containing block and
     silently kills every position:sticky chapter. clip only clips. */
  overflow-x: clip;
}
html { overflow-x: clip; }
body[data-atmo="cool"] { --page-bg: var(--cool); }
body[data-atmo="warm"] { --page-bg: var(--warm); }

img, svg, canvas { display: block; max-width: 100%; }
figure { margin: 0; }
ul, ol, dl, dd { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
code { font-family: var(--mono); }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }

::selection { background: var(--forest); color: var(--cream); }
:focus-visible { outline: 1.5px solid var(--clay); outline-offset: 4px; border-radius: 1px; }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.sr {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap; border: 0;
}

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 300;
  padding: .75rem 1.25rem; background: var(--forest); color: var(--cream);
  font-family: var(--mono); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase;
}
.skip:focus { left: 1rem; top: 1rem; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gut); }

/* ---------- 02 Type ---------- */
.mono {
  font-family: var(--mono); font-size: .688rem; font-weight: 400;
  letter-spacing: .16em; text-transform: uppercase; line-height: 1.5;
}
.eyebrow {
  font-family: var(--mono); font-size: .7rem; letter-spacing: .2em;
  text-transform: uppercase; color: var(--grass);
  display: inline-flex; align-items: center; gap: .7rem;
}
.eyebrow .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--clay); flex: none; }

.dhead {
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-variation-settings: "SOFT" 0, "WONK" 0;
  font-weight: 350;
  font-size: clamp(2.6rem, 6vw, 5.1rem);
  line-height: .98; letter-spacing: -.022em;
  color: var(--forest); text-wrap: balance;
}
.dhead em { font-style: italic; font-weight: 300; color: var(--clay); }
.dhead--light { color: var(--cream); }
.dhead--light em { color: var(--clay-soft); }
.dhead--xl { font-size: clamp(3rem, 9vw, 7.6rem); }


/* ---------- 03 Furniture ---------- */
/* film grain, light */
.grain {
  position: fixed; inset: 0; z-index: 6; pointer-events: none;
  opacity: .14; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.3'/%3E%3C/svg%3E");
}

main, .foot { position: relative; z-index: 2; }

/* the court's sidelines run the length of the page: the left one is a
   hairline, the right one is the reading-progress rail */
.sideline {
  position: fixed; top: 0; bottom: 0; z-index: 5; pointer-events: none;
  left: calc(var(--edge) - var(--side)); width: 1px;
  background: var(--line-soft);
  opacity: var(--rail-on, 1);
}

/* scoreboard: 00 · 15 · 30 · 40 · game */
.score {
  position: fixed; z-index: 5; pointer-events: none;
  right: calc(100vw - var(--edge) + var(--side) + .7rem); bottom: 1.4rem;
  display: grid; justify-items: end; gap: .15rem;
  opacity: var(--rail-on, 1);
}
@media (max-width: 1400px) { .score { display: none; } }
.score__lab { font-size: .5rem; letter-spacing: .22em; color: var(--grass); }
.score__n {
  font-family: var(--serif); font-weight: 300; font-size: 1.9rem; line-height: 1; text-transform: none; letter-spacing: 0;
  letter-spacing: -.02em; color: var(--forest); font-variant-numeric: tabular-nums;
  display: inline-block;
}
.score__n.is-tick { animation: stick .45s var(--ease); }
.score { transition: opacity .3s var(--ease); }
body.is-score-hidden .score { opacity: 0; }
@keyframes stick { 0% { transform: translateY(.35em); opacity: 0; } 100% { transform: none; opacity: 1; } }
.nav.is-inverted ~ .score .score__n, body.is-dark .score__n { color: var(--cream); }

.progress {
  position: fixed; top: 0; bottom: 0;
  opacity: var(--rail-on, 1);
  /* sits IN the gutter, clear of the content edge — never against text */
  right: calc(var(--edge) - var(--side));
  width: 1px; z-index: 5; pointer-events: none;
  background: var(--line-soft);
}
.progress__fill { position: absolute; top: 0; left: 0; width: 1px; height: 0; background: var(--forest); opacity: .55; }
.progress__tick {
  position: absolute; left: -3px; width: 7px; height: 1px; background: var(--line);
  transition: background .5s var(--ease), width .5s var(--ease);
}
.progress__tick.is-passed { background: var(--clay); width: 11px; left: -5px; }
.progress__tick::after {
  content: attr(data-score); position: absolute; right: 12px; top: -.45em;
  font-family: var(--mono); font-size: .5rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--grass); opacity: .7;
}
.progress__tick.is-passed::after { color: var(--clay); opacity: 1; }

/* easter egg: full-viewport court lines draw themselves, then leave */
.egg-court { position: fixed; inset: 0; z-index: 200; pointer-events: none; }
.egg-court span { position: absolute; background: var(--clay); opacity: 0; }
.egg-court span:nth-child(1) { left: 0; right: 0; top: 18%;  height: 1px; transform: scaleX(0); transform-origin: left; }
.egg-court span:nth-child(2) { left: 0; right: 0; top: 50%;  height: 1px; transform: scaleX(0); transform-origin: right; }
.egg-court span:nth-child(3) { left: 0; right: 0; top: 82%;  height: 1px; transform: scaleX(0); transform-origin: left; }
.egg-court span:nth-child(4) { top: 18%; bottom: 18%; left: 50%; width: 1px; transform: scaleY(0); transform-origin: top; }
.egg-court span:nth-child(5) { top: 0;   bottom: 0;  left: 15%; width: 1px; transform: scaleY(0); transform-origin: bottom; }
.egg-court.is-live span { opacity: .6; transform: none; transition: transform .7s var(--ease), opacity .3s; }
.egg-court.is-out span { opacity: 0; transition: opacity .5s; }

.egg-score {
  position: fixed; left: var(--gut); bottom: 1.4rem; z-index: 200;
  pointer-events: none; color: var(--clay);
  font-size: 1rem; letter-spacing: .3em;
  opacity: 0; transform: translateY(6px);
  transition: opacity .3s var(--ease), transform .3s var(--ease);
}
.egg-score.is-live { opacity: 1; transform: none; }

/* ---------- 05 Nav + drawer ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background .5s var(--ease), border-color .5s var(--ease), color .5s var(--ease);
}
.nav.is-stuck {
  background: color-mix(in srgb, var(--page-bg) 82%, transparent);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--line);
}
.nav__inner {
  width: 100%; max-width: var(--wrap); margin-inline: auto;
  padding: clamp(1.1rem, 2vw, 1.6rem) var(--gut);
  display: flex; align-items: center; gap: 2rem;
  transition: padding .5s var(--ease);
}
.nav.is-stuck .nav__inner { padding-top: .85rem; padding-bottom: .85rem; }

.mark { display: flex; align-items: baseline; gap: .6rem; margin-right: auto; }
.mark__glyph { font-family: var(--serif); font-weight: 400; font-size: 1.22rem; letter-spacing: .02em; color: var(--forest); }
.mark__rule { width: 20px; height: 1px; background: var(--line); margin-bottom: .35em; }
.mark__meta { font-family: var(--mono); font-size: .625rem; letter-spacing: .2em; text-transform: uppercase; color: var(--grass); }

/* inverted over dark panels */
.nav.is-inverted { color: var(--cream); }
.nav.is-inverted.is-stuck { background: color-mix(in srgb, var(--forest) 72%, transparent); border-bottom-color: var(--line-light); }
.nav.is-inverted .mark__glyph { color: var(--cream); }
.nav.is-inverted .mark__meta { color: color-mix(in srgb, var(--cream) 55%, transparent); }
.nav.is-inverted .mark__rule { background: var(--line-light); }
.nav__cta {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: var(--mono); font-size: .8rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--forest); padding-bottom: 5px; margin-left: .5rem;
  border-bottom: 1px solid var(--line);
  transition: color .4s var(--ease), border-color .4s var(--ease);
}
.nav__cta svg { transition: transform .4s var(--ease); }
.nav__cta:hover { color: var(--clay); border-bottom-color: var(--clay); }
.nav__cta:hover svg { transform: translate(2px, -2px); }
.nav.is-inverted .nav__cta { color: var(--cream); border-bottom-color: var(--line-light); }
.nav.is-inverted .nav__cta:hover { color: var(--clay-soft); border-bottom-color: var(--clay-soft); }

/* ---------- 06 Hero court ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid; align-items: center;
  overflow: visible;                 /* the baseline travels out of the hero */
  padding: clamp(6rem, 12vh, 8rem) 0 clamp(3rem, 7vh, 5rem);
  /* court anchors (px, set by JS from the real layout) */
  --net: 24%; --svc: 60%; --base: 82%; --cx: 50%;
}

.hero__court {
  position: absolute; inset: 0;
  will-change: transform, opacity;
  z-index: 0;
}
.hero__svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.hero__inner { position: relative; z-index: 1; }

.court__lines path {
  fill: none;
  stroke: color-mix(in srgb, var(--ink) 18%, transparent); stroke-width: 1px;
  vector-effect: non-scaling-stroke;
}
.court__lines .court__baseline { stroke: color-mix(in srgb, var(--clay) 60%, transparent); }
.court__lines .court__net { stroke: color-mix(in srgb, var(--forest) 34%, transparent); }
.hero__name, .hero__statement { will-change: transform; }

/* the ball: the period after the name */
.hero__ball {
  position: absolute; left: 0; top: 0; z-index: 3;
  width: var(--d, 18px); height: var(--d, 18px);
  margin: calc(var(--d, 18px) / -2) 0 0 calc(var(--d, 18px) / -2);
  pointer-events: none;
  will-change: transform;
}
.hero__ball i {
  position: absolute; inset: 0; border-radius: 50%;
  background: var(--clay);
  background-image: radial-gradient(circle at 36% 32%, color-mix(in srgb, var(--clay-soft) 70%, var(--clay)) 0, var(--clay) 58%);
  transform: scale(var(--s, 1));
}
.hero__ball::after {                   /* shadow lifts as the ball is pushed */
  content: ""; position: absolute; left: 10%; right: 10%; bottom: -22%;
  height: 26%; border-radius: 50%;
  background: color-mix(in srgb, var(--ink) 18%, transparent);
  filter: blur(1.5px);
  opacity: var(--sh, .35);
  transform: translateY(var(--lift, 0px)) scaleX(var(--shx, 1));
}
.hero__ball { opacity: 0; }                       /* only the script places it */
.js .hero__ball.is-in { opacity: 1; }
.js .hero__name .period { color: transparent; }   /* the ball takes its place */
.hero__name .period .bl { display: inline-block; width: 0; height: 0; vertical-align: baseline; }

/* intro: lines draw in once fonts settle */
.js .court__lines path { stroke-dasharray: 4000; stroke-dashoffset: 4000; }
.js.is-loaded .court__lines path {
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 1.8s var(--ease);
}
.js.is-loaded .court__lines path:nth-child(2n) { transition-delay: .18s; }
.js.is-loaded .court__lines path:nth-child(3n) { transition-delay: .36s; }

.hero__eyebrow { margin-bottom: clamp(1.5rem, 3.5vh, 2.5rem); }

.hero__name {
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-variation-settings: "SOFT" 0, "WONK" 0;
  font-weight: 300;
  font-size: clamp(4.25rem, 14.5vw, 12.5rem);
  line-height: .88; letter-spacing: -.038em;
  color: var(--forest);
  margin-bottom: clamp(2rem, 4.5vh, 3rem);
  will-change: letter-spacing, transform;
}
.hero__name .line { display: block; overflow: hidden; padding-bottom: .22em; margin-bottom: -.22em; }
.hero__name .line > span { display: block; }
.hero__name .line--indent { margin-left: clamp(0rem, 7vw, 7.5rem); }
.hero__name .period { font-style: normal; color: var(--clay); }

.js .hero__name .line > span { transform: translateY(132%); }
.js.is-loaded .hero__name .line > span { transform: translateY(0); transition: transform 1.25s var(--ease); }
.js.is-loaded .hero__name .line:nth-child(2) > span { transition-delay: .1s; }

/* a three-line CV, in the right service box of the court */
.hero__statement {
  display: grid; gap: .55rem;
  max-width: 30ch;
  margin-left: auto;
  margin-right: clamp(0rem, 16vw, 15rem);
  margin-bottom: clamp(1.5rem, 4vh, 3rem);
  font-size: clamp(.9375rem, 1.1vw, 1.0625rem);
  line-height: 1.45; color: var(--ink-soft);
}
.hero__work { margin-top: clamp(1.5rem, 3vh, 2.5rem); }
.hero.is-composed .hero__statement.hero__work {
  position: absolute; margin: 0;
  left: calc(var(--cx) + clamp(1.25rem, 2.5vw, 2.25rem));
  top: calc(var(--svc) + clamp(1.25rem, 2.5vh, 2rem));
  max-width: min(40ch, calc(var(--sr) - var(--cx) - clamp(2.5rem, 5vw, 4.5rem)));
}
.js.is-loaded .hero__work { transition-delay: .6s; }
.hero.is-composed .hero__inner { padding-bottom: clamp(4.5rem, 9vh, 6rem); }
.hero.is-composed .hero__statement {
  position: absolute; margin: 0;
  left: calc(var(--cx) + clamp(1.25rem, 2.5vw, 2.25rem));
  top: calc(var(--net) + clamp(1.25rem, 2.5vh, 2rem));
  max-width: min(40ch, calc(var(--sr) - var(--cx) - clamp(2.5rem, 5vw, 4.5rem)));
}

.hero__corners { position: absolute; left: var(--gut); right: var(--gut); bottom: 0; font-size: .8125rem; color: var(--ink-soft); }
.hero__corner--l { position: absolute; left: 0; bottom: 0; }
.hero__corner--r { position: absolute; right: 0; bottom: 0; text-align: right; }

.hero__cue {
  position: absolute; left: 50%; bottom: .1rem; transform: translateX(-50%);
  display: inline-flex; align-items: center; gap: .6rem;
  color: var(--grass); font-size: .6rem; letter-spacing: .22em;
  transition: color .4s var(--ease);
}
.hero__cue:hover { color: var(--clay); }
.hero__cue-score { font-family: var(--serif); font-size: 1.1rem; letter-spacing: 0; color: var(--clay); margin-right: .2rem; }

.js .hero__eyebrow, .js .hero__statement, .js .hero__work, .js .hero__corners, .js .hero__cue { opacity: 0; transform: translateY(14px); }
.js.is-loaded .hero__eyebrow, .js.is-loaded .hero__statement, .js.is-loaded .hero__work,
.js.is-loaded .hero__corners, .js.is-loaded .hero__cue {
  opacity: 1; transform: none;
  transition: opacity 1.1s var(--ease), transform 1.1s var(--ease);
}
.js.is-loaded .hero__statement { transition-delay: .45s; }
.js.is-loaded .hero__corners { transition-delay: .6s; }
.js.is-loaded .hero__cue { transition-delay: .8s; }
.hero.is-composed .hero__cue { transform: translateX(-50%); }

/* ---------- section scaffolding ---------- */
.section { padding-block: clamp(5.5rem, 14vh, 11rem); scroll-margin-top: 5rem; position: relative; }

.shead {
  display: flex; align-items: end; gap: 1.1rem;
  padding-bottom: 1.1rem;
  margin-bottom: clamp(3rem, 8vh, 6rem);
  border-bottom: 1px solid var(--line);
  color: var(--grass);
}
.shead__idx {
  font-family: var(--serif); font-weight: 300;
  font-size: clamp(2.4rem, 5vw, 4.2rem); line-height: .9; letter-spacing: -.03em;
  color: var(--clay); font-variant-numeric: tabular-nums;
  margin-right: .3rem;
}
.shead__idx--word { font-style: italic; font-weight: 300; }
.shead__label { color: var(--forest); align-self: end; padding-bottom: .35rem; }
.shead__rule { flex: 1; }
/* the hero's baseline lands here */
.section--work { padding-top: clamp(3rem, 7vh, 5.5rem); }
.section--work .shead { border-bottom-color: color-mix(in srgb, var(--clay) 50%, transparent); }
.shead--light { color: color-mix(in srgb, var(--cream) 70%, transparent); border-bottom-color: var(--line-light); }
.shead--light .shead__label { color: var(--cream); }
.shead--light .shead__idx { color: var(--clay-soft); }
.shead--light .shead__rule { background: var(--line-light); }



.metrics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem 1.5rem; padding-top: 1.25rem; border-top: 1px solid var(--line-soft); }
.metrics > div { display: flex; flex-direction: column-reverse; gap: .4rem; }
.metrics > div:has(.metrics__txt) { grid-column: 1 / -1; }
.metrics--stack { border-top: 0; padding-top: 0; }
.metrics dd { font-family: var(--serif); font-weight: 300; font-size: clamp(2rem, 3vw, 3rem); line-height: .95; letter-spacing: -.03em; color: var(--forest); font-variant-numeric: tabular-nums; }
.metrics dt { font-family: var(--mono); font-size: .6rem; letter-spacing: .16em; text-transform: uppercase; color: var(--grass); }
.metrics__txt { font-family: var(--sans) !important; font-size: 1rem !important; letter-spacing: -.01em !important; color: var(--ink) !important; }
.case__links { display: flex; gap: 1.75rem; }
.case__link { font-family: var(--mono); font-size: .688rem; letter-spacing: .14em; text-transform: uppercase; color: var(--forest); padding-bottom: 4px; border-bottom: 1px solid var(--line); transition: color .4s var(--ease), border-color .4s var(--ease); }
.case__link:hover { color: var(--accent); border-bottom-color: var(--accent); }
.case__line { color: var(--ink-soft); font-size: .62rem; text-transform: none; letter-spacing: .1em; }

/* fx containers */
.fx { position: relative; border: 1px solid var(--line); background: color-mix(in srgb, var(--paper) 60%, transparent); overflow: hidden; }
.fx canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.fx__read { position: absolute; left: 1.1rem; bottom: .9rem; color: var(--grass); font-size: .625rem; }
.fx__read .fx__n { color: var(--clay); font-size: .8rem; }
.fx__cap { position: absolute; right: 1.1rem; bottom: .9rem; color: color-mix(in srgb, var(--ink) 38%, transparent); font-size: .55rem; text-align: right; }

/* ---------- 09 Wayfinder: the rated town ---------- */
.fx--venues { border-left: 0; }
.fx--venues { cursor: crosshair; background: #F7F5EE; }
.fx__place { position: absolute; left: 1.1rem; top: .9rem; font-size: .58rem; color: var(--forest); }
.fx__legend { position: absolute; right: 1.1rem; top: .9rem; display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .35rem .9rem; font-size: .52rem; letter-spacing: .12em; color: var(--ink-soft); max-width: 60%; }
.fx__legend li { display: inline-flex; align-items: center; gap: .35rem; }
.fx__legend i { width: 7px; height: 7px; border-radius: 50%; background: var(--c); }
.venue {
  position: absolute; z-index: 2; pointer-events: none;
  min-width: 11rem; padding: .7rem .8rem .6rem;
  background: var(--paper); border: 1px solid var(--line);
  box-shadow: 0 1px 0 var(--line-soft);
}
.venue[hidden] { display: none; }
.venue__name { font-size: .58rem; color: var(--forest); margin-bottom: .45rem; }
.venue__rows { display: grid; gap: .3rem; }
.venue__rows > div { display: flex; justify-content: space-between; gap: 1rem; font-size: .56rem; letter-spacing: .12em; }
.venue__rows dt { color: var(--grass); }
.venue__rows dd { color: var(--clay); letter-spacing: .08em; font-variant-numeric: tabular-nums; }
.venue__rows dd span { color: color-mix(in srgb, var(--ink) 22%, transparent); }
.venue__foot { margin-top: .5rem; padding-top: .45rem; border-top: 1px solid var(--line-soft); font-size: .52rem; color: var(--ink-soft); text-transform: none; letter-spacing: .08em; }

.waytime { display: grid; gap: .25rem; border-left: 1px solid var(--line); }
.waytime__step {
  position: relative;
  padding: .85rem 0 .85rem 1.5rem;
  transition: background .4s var(--ease);
}
.waytime__step::before {
  content: ""; position: absolute; left: -3.5px; top: 1.35rem;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--page-bg); border: 1px solid var(--grass);
  transition: background .4s var(--ease), transform .4s var(--ease);
}
.waytime__step:hover::before { background: var(--accent); border-color: var(--accent); transform: scale(1.35); }
.waytime__step .mono { font-size: .6rem; color: var(--grass); display: block; margin-bottom: .15rem; transition: color .3s; }
.waytime__step:hover .mono { color: var(--accent); }
.waytime__step p { font-size: .8125rem; color: var(--ink-soft); max-width: 30ch; line-height: 1.5; }

/* ---------- 10 Network ---------- */
.fx--net { aspect-ratio: 21 / 9; }
.fx__read--net span { color: var(--clay); }

/* ---------- 11 TennisTrades live court + edge chart ---------- */
.courtlive {
  background: var(--forest);
  border: 1px solid color-mix(in srgb, var(--forest) 60%, black);
  padding: clamp(1.25rem, 3vw, 2.5rem);
  display: grid; gap: clamp(1.25rem, 3vw, 2rem);
  cursor: crosshair;
}
.courtlive__top {
  display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 2.5rem);
  align-items: center;
}
.courtlive__svg { width: 100%; height: auto; }
.courtlive__lines rect, .courtlive__lines line { stroke: color-mix(in srgb, var(--cream) 34%, transparent); stroke-width: 1; }
.js .courtlive__lines rect, .js .courtlive__lines line { stroke-dasharray: 1200; stroke-dashoffset: 1200; }
.js .courtlive.is-in .courtlive__lines rect, .js .courtlive.is-in .courtlive__lines line { stroke-dashoffset: 0; transition: stroke-dashoffset 2.2s var(--ease); }
.courtlive__hud dd { font-family: var(--serif); font-size: 1.6rem; letter-spacing: -.01em; }
.courtlive__lines .courtlive__net { stroke: color-mix(in srgb, var(--cream) 55%, transparent); stroke-dasharray: 3 4; }
.courtlive__trail { stroke: color-mix(in srgb, var(--clay-soft) 65%, transparent); stroke-width: 1.2; stroke-dasharray: 2 4; }
.courtlive__ball { fill: var(--clay-soft); }
.courtlive__shadow { fill: color-mix(in srgb, black 35%, transparent); }

.courtlive__hud { display: grid; gap: .9rem; align-content: center; }
.courtlive__hud > div {
  display: flex; align-items: baseline; justify-content: space-between; gap: 1rem;
  border-bottom: 1px solid var(--line-light); padding-bottom: .55rem;
}
.courtlive__hud dt { font-size: .55rem; letter-spacing: .18em; color: color-mix(in srgb, var(--cream) 55%, transparent); }
.courtlive__hud dd { color: var(--cream); font-variant-numeric: tabular-nums; }
.courtlive__hud dd.is-pos { color: var(--clay-soft); }
.courtlive__hud dd.is-neg { color: color-mix(in srgb, var(--cream) 60%, transparent); }
.courtlive__of { color: color-mix(in srgb, var(--cream) 40%, transparent); font-size: .8em; }

/* model vs market, shot by shot */
.edge { border-top: 1px solid var(--line-light); padding-top: clamp(1rem, 2vw, 1.4rem); }
.edge__head { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: .58rem; letter-spacing: .18em; color: color-mix(in srgb, var(--cream) 62%, transparent); margin-bottom: .8rem; }
.edge__hint { color: var(--clay-soft); transition: opacity .3s var(--ease); }
.edge.is-scrub .edge__hint { opacity: .55; }
.edge__svg { width: 100%; height: clamp(110px, 14vw, 150px); overflow: visible; }
.edge__grid line { stroke: color-mix(in srgb, var(--cream) 12%, transparent); stroke-width: 1; vector-effect: non-scaling-stroke; }
.edge__grid text { fill: color-mix(in srgb, var(--cream) 40%, transparent); font-family: var(--mono); font-size: 9px; letter-spacing: .08em; }
.edge__area { fill: color-mix(in srgb, var(--clay) 34%, transparent); }
.edge__ghost { fill: none; stroke: color-mix(in srgb, var(--cream) 16%, transparent); stroke-width: 1; vector-effect: non-scaling-stroke; }
.edge__mkt { fill: none; stroke: color-mix(in srgb, var(--cream) 80%, transparent); stroke-width: 1.2; stroke-dasharray: 3 3; vector-effect: non-scaling-stroke; }
.edge__model { fill: none; stroke: var(--clay-soft); stroke-width: 1.6; vector-effect: non-scaling-stroke; stroke-linejoin: round; }
.edge__cursor line { stroke: color-mix(in srgb, var(--cream) 50%, transparent); stroke-width: 1; vector-effect: non-scaling-stroke; stroke-dasharray: 2 3; }
.edge__cursor circle { fill: var(--cream); }
.edge__legend { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; margin-top: .9rem; font-size: .55rem; letter-spacing: .16em; color: color-mix(in srgb, var(--cream) 62%, transparent); }
.edge__legend span { display: inline-flex; align-items: center; gap: .5rem; }
.edge__sw { display: inline-block; width: 14px; height: 0; border-top: 1.5px solid; }
.edge__sw--model { border-color: var(--clay-soft); }
.edge__sw--mkt { border-top-style: dashed; border-color: color-mix(in srgb, var(--cream) 80%, transparent); }
.edge__sw--area { height: 8px; border: 0; background: color-mix(in srgb, var(--clay) 34%, transparent); }
.edge__note { margin-left: auto; color: color-mix(in srgb, var(--cream) 38%, transparent); text-transform: none; letter-spacing: .08em; }

/* amazon: a synthetic systems map, read left to right */
.fx--net2 { border: 0; background: none; }
.net2 { position: relative; padding-bottom: 0; --bw: clamp(6.8rem, 9.5vw, 8.4rem); --bh: 2.2rem; display: grid; grid-template-rows: minmax(0, 1fr) auto auto; gap: .6rem; }
.panel__stage .net2__svg { height: 100%; }
.panel__stage .net2 .fx__read, .panel__stage .net2 .net2__note { position: static; left: auto; bottom: auto; right: auto; max-width: none; text-align: left; }
.net2__svg { position: relative; display: block; width: 100%; height: clamp(18rem, 30vw, 26rem); overflow: visible; }
.net2 .fx__read { left: 0; bottom: 1.15rem; }
.net2__note { position: absolute; left: 0; bottom: 0; font-size: .52rem; letter-spacing: .08em; text-transform: none; color: color-mix(in srgb, var(--ink) 45%, transparent); }
.sysmap__how { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem 2rem; padding-top: 1.5rem; border-top: 1px solid var(--line-soft); }
.sysmap__how li { display: grid; gap: .25rem; }
.sysmap__how .mono { font-size: .56rem; color: var(--clay); }
.sysmap__how p { font-size: .84rem; line-height: 1.5; color: var(--ink); }
.sysmap__lab { font-family: var(--sans); font-size: .8rem; color: var(--ink-soft); text-transform: none; letter-spacing: 0; }

/* svg pieces */
.net2 .col { font-family: var(--mono); font-size: 8.5px; letter-spacing: .18em; text-transform: uppercase; fill: var(--grass); }
.net2 .courtbg__line { fill: none; stroke: var(--line-soft); stroke-width: 1; vector-effect: non-scaling-stroke; }
.net2 .courtbg__net { stroke: color-mix(in srgb, var(--ink) 14%, transparent); stroke-width: 1; stroke-dasharray: 3 4; vector-effect: non-scaling-stroke; }
.net2 .n.is-hidden, .net2 .e.is-hidden { display: none; }
.net2 .colrule { stroke: var(--line); stroke-width: 1; }
.net2 .e { fill: none; stroke: color-mix(in srgb, var(--ink) 22%, transparent); stroke-width: 1; transition: stroke .35s var(--ease), opacity .35s var(--ease); }
.net2 .e.is-lit { stroke: var(--clay); stroke-width: 1.5; }
.net2.is-hover .e:not(.is-lit) { opacity: .2; }
.net2 .trace { fill: none; stroke: var(--clay); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.net2 .trace-dot { fill: var(--clay); }
.net2 .trace-halo { fill: color-mix(in srgb, var(--clay) 22%, transparent); }
.net2 .n { cursor: default; transition: opacity .5s var(--ease); }
.net2 .n rect.box { fill: var(--paper); stroke: var(--line); stroke-width: 1; transition: stroke .3s var(--ease); }
.net2 .n rect.bar { fill: var(--forest); transition: fill .3s var(--ease); }
.net2 .n[data-t="group"] rect.box { stroke-dasharray: 3 3; }
.net2 .n[data-t="gateway"] rect.bar { fill: var(--grass); }
.net2 .n[data-t="external"] rect.bar, .net2 .n[data-t="resolver"] rect.bar { fill: color-mix(in srgb, var(--ink) 45%, transparent); }
.net2 .n[data-t="dest"] rect.bar { fill: var(--clay); }
.net2 .n text.lab { font-family: var(--mono); font-size: 7.5px; letter-spacing: .16em; text-transform: uppercase; fill: var(--grass); }
.net2 .n text.sub { font-family: var(--mono); font-size: 9px; letter-spacing: .02em; fill: var(--ink); }
.net2 .n.is-lit rect.box, .net2 .n.is-near rect.box { stroke: var(--clay); }
.net2 .n.is-stop rect.box { stroke: var(--clay); stroke-dasharray: 2 2; }
.net2 .stop { fill: none; stroke: var(--clay); stroke-width: 1.4; stroke-linecap: round; }
.net2 .n.is-lit rect.bar, .net2 .n.is-near rect.bar { fill: var(--clay); }
.net2.is-hover .n:not(.is-lit):not(.is-near) { opacity: .35; }
.js .net2 .n { opacity: 0; }
.js .net2 .n.is-on { opacity: 1; }
.js .net2.is-hover .n.is-on:not(.is-lit):not(.is-near) { opacity: .35; }
.js .net2 .e { opacity: 0; }
.js .net2 .e.is-on { opacity: 1; }
.js .net2.is-hover .e.is-on:not(.is-lit) { opacity: .2; }

/* 20 minutes → <2 seconds */
.morph { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .6rem 1.5rem; padding-top: 1rem; border-top: 1px solid var(--line-soft); }
.morph__cell { display: grid; gap: .4rem; min-width: 0; }
.morph__lab { font-size: .6rem; color: var(--grass); }
.morph__from, .morph__to {
  font-family: var(--serif); font-weight: 300;
  font-size: clamp(1.6rem, 2.4vw, 2.4rem);
  line-height: 1; letter-spacing: -.025em; white-space: nowrap;
  display: inline-block; transform-origin: left center; position: relative;
}
.morph__from { color: var(--ink-soft); }
.morph__from::after {
  content: ""; position: absolute; left: 0; right: 0; top: 52%; height: 1.5px;
  background: color-mix(in srgb, var(--clay) 70%, transparent);
  transform: scaleX(var(--m, 0)); transform-origin: left;
}
.morph__to { color: var(--clay); }
.js .morph__to { opacity: .25; }
.morph__cap { grid-column: 1 / -1; font-family: var(--sans); font-size: .78rem; line-height: 1.45; color: var(--ink-soft); max-width: 46ch; }

/* jirav: a trace of one query, collapsing from 7 calls to 3 */
.trace { display: grid; gap: clamp(.8rem, 2vh, 1.25rem); --rh: 2.2rem; }
.trace__q { font-family: var(--serif); font-size: clamp(1.05rem, 1.6vw, 1.35rem); font-weight: 350; color: var(--forest); display: flex; gap: 1rem; align-items: baseline; flex-wrap: wrap; }
.trace__q .mono { font-size: .58rem; color: var(--clay); }
.trace__rows { display: grid; align-content: start; border-top: 1px solid var(--line-soft); }
.trace__row {
  display: grid; grid-template-columns: minmax(7rem, 11rem) minmax(0, 1fr) 3.5rem;
  gap: clamp(.75rem, 2vw, 1.5rem); align-items: center;
  height: calc(var(--rh) * var(--v, 1));
  opacity: var(--v, 1);
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
  font-size: .62rem; letter-spacing: .1em; text-transform: none;
  color: var(--ink-soft);
}
.trace__name { color: var(--forest); font-weight: 500; }
.trace__lane { position: relative; height: 5px; }
.trace__bar {
  position: absolute; top: 0; bottom: 0;
  left: calc(var(--s) * 100%); width: calc(var(--w) * 100% * var(--draw, 1));
  background: color-mix(in srgb, var(--grass) 55%, transparent);
  transition: left .6s var(--ease), width .6s var(--ease), background .4s var(--ease);
}
.trace__row[data-keep] .trace__bar { background: var(--grass); }
.trace__row--merge .trace__bar { background: var(--clay); }
.trace__ms { text-align: right; font-variant-numeric: tabular-nums; color: var(--grass); white-space: nowrap; }
.trace__cap { font-family: var(--sans); font-size: .78rem; color: var(--ink-soft); text-transform: none; letter-spacing: 0; }
.js .trace__row { --draw: 0; }
.js .trace__row.is-lit { --draw: 1; }
.js .trace.is-merged .trace__row--merge .trace__bar { width: calc(var(--w2) * 100%); }
.js .trace.is-merged .trace__row[style*="--s2"] .trace__bar { left: calc(var(--s2) * 100%); }

.agent { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; column-gap: clamp(1.25rem, 2.5vw, 2rem); padding-top: 1.5rem; border-top: 1px solid var(--line-soft); }
.agent__n {
  font-family: var(--serif); font-weight: 300;
  font-size: clamp(4rem, 9vw, 7.5rem);
  line-height: 1; letter-spacing: -.03em; color: var(--forest);
  font-variant-numeric: tabular-nums;
}
.agent__n.is-tick { animation: ntick .4s var(--ease); }
@keyframes ntick { 0% { transform: translateY(.08em); opacity: .4; } 100% { transform: none; opacity: 1; } }
.agent__cap { font-family: var(--sans); color: var(--ink-soft); font-size: .85rem; line-height: 1.5; text-transform: none; letter-spacing: 0; max-width: 40ch; }

/* nue: scroll compiles English into a plugin */
.compile { display: grid; gap: clamp(1.5rem, 3vh, 2.5rem); }
.compile__lab { font-size: .58rem; color: var(--grass); }
.compile__en {
  font-family: var(--serif); font-weight: 350;
  font-size: clamp(1.4rem, 2.6vw, 2.3rem); line-height: 1.2; letter-spacing: -.015em;
  color: color-mix(in srgb, var(--forest) 45%, transparent);
  margin-top: .6rem;
}
.compile__en .w { transition: color .35s var(--ease); }
.compile__en .w.is-read { color: var(--forest); }
.compile__out { display: grid; gap: clamp(.9rem, 2.2vh, 1.4rem); border-left: 1px solid var(--line); padding-left: clamp(1rem, 2.5vw, 2rem); }
.compile__line { position: relative; display: grid; gap: .35rem; opacity: .35; transition: opacity .4s var(--ease); }
.compile__line::before {
  content: ""; position: absolute; left: calc(clamp(1rem, 2.5vw, 2rem) * -1 - 3.5px); top: .2rem;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--page-bg); border: 1px solid var(--grass);
  transition: background .4s var(--ease), border-color .4s var(--ease);
}
.compile__line.is-on, .compile__line.is-done { opacity: 1; }
.compile__line.is-on::before, .compile__line.is-done::before { background: var(--clay); border-color: var(--clay); }
.compile__line code { position: relative; display: block; font-size: clamp(.78rem, 1.1vw, .95rem); line-height: 1.5; letter-spacing: 0; color: var(--ink); white-space: pre-wrap; }
.js .compile__line code .g { visibility: hidden; }              /* holds the layout */
.js .compile__line code .t { display: block; }
.compile__line code .t { display: none; }
.compile__line code .t { position: absolute; left: 0; top: 0; right: 0; }
.compile__line.is-on code .t::after {
  content: ""; display: inline-block; width: .55em; height: 1.05em; vertical-align: -.18em; margin-left: 1px;
  background: var(--clay); animation: caret 1s steps(2) infinite;
}
@keyframes caret { to { opacity: 0; } }
.no-js .compile__line, .reduced .compile__line { opacity: 1; }

/* ---------- 13 Atmosphere helpers ---------- */
.section--about { background: var(--forest); position: relative; z-index: 3; }

.section--xp { z-index: 1; }

/* ---------- 07 The court ---------- */
.court { padding-block: clamp(1.25rem, 2.5vh, 2rem) clamp(3rem, 6vh, 5rem); position: relative; min-height: calc(100svh - var(--navh, 3.75rem)); display: grid; align-content: start; scroll-margin-top: var(--navh, 3.75rem); }
.court__wrap { display: grid; gap: 1rem; }
.court__cue { display: grid; grid-template-columns: 1fr auto 1fr; gap: 1rem; font-size: .6rem; letter-spacing: .18em; color: var(--grass); margin-bottom: 0; }
.court__cue-m { color: var(--clay); }
.court__cue-r { text-align: right; }

/* the arena: a top-down hard court, late in the day. Zones are buttons.
   columns: back L · service L · service R · back R; rows: alley · two service rows · alley */
.arena {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.25fr);
  grid-template-rows: 3.6rem minmax(0, 1fr) minmax(0, 1fr) 3.6rem;
  grid-template-areas:
    "about about about about"
    "w1 w2 xj xa"
    "w1 w3 xn xa"
    "contact contact contact contact";
  gap: 0;
  height: clamp(30rem, calc(100svh - var(--navh, 3.75rem) - 7rem), 52rem);
  background: var(--hard-bg);
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.6' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.18'/%3E%3C/svg%3E"),
    linear-gradient(180deg, color-mix(in srgb, var(--hard-deep) 70%, transparent) 0 3.6rem, transparent 3.6rem calc(100% - 3.6rem), color-mix(in srgb, var(--hard-deep) 70%, transparent) calc(100% - 3.6rem));
  box-shadow: 0 30px 80px -40px color-mix(in srgb, var(--forest) 60%, transparent);
  color: var(--cream);
  --cl: color-mix(in srgb, var(--cream) 78%, transparent);   /* court line */
  overflow: hidden;
}
/* late light across the surface, and a tree shadow drifting in the top corner */
.arena__light {
  position: absolute; inset: 0; pointer-events: none; z-index: 1;
  transition: opacity 1.4s var(--ease) .6s;
  background:
    radial-gradient(120% 90% at 0% 0%, color-mix(in srgb, var(--clay-soft) 14%, transparent), transparent 55%),
    radial-gradient(90% 70% at 100% 100%, color-mix(in srgb, black 28%, transparent), transparent 60%),
    radial-gradient(40% 50% at 85% 10%, color-mix(in srgb, black 22%, transparent), transparent 70%);
  animation: sun 40s ease-in-out infinite alternate;
}
@keyframes sun { 0% { opacity: .85; } 100% { opacity: 1; } }

.half { display: contents; }
.half--work  .zone--back { grid-area: w1; }
.half--work  .zone--svc:nth-of-type(2) { grid-area: w2; }
.half--work  .zone--svc:nth-of-type(3) { grid-area: w3; }
.half--xp    .zone--svc:nth-of-type(1) { grid-area: xj; }
.half--xp    .zone--svc:nth-of-type(2) { grid-area: xn; }
.half--xp    .zone--back { grid-area: xa; }
.zone--top { grid-area: about; }
.zone--bottom { grid-area: contact; }

/* the net: two posts and a mesh, across the centre line */
.net { grid-area: 1 / 3 / 5 / 3; position: relative; width: 0; pointer-events: none; z-index: 3; }
.net__mesh {
  position: absolute; top: 0; bottom: 0; left: -3px; width: 6px;
  background:
    repeating-linear-gradient(180deg, var(--cl) 0 1px, transparent 1px 5px),
    linear-gradient(90deg, transparent, color-mix(in srgb, var(--cream) 30%, transparent), transparent);
  box-shadow: 8px 0 18px -6px color-mix(in srgb, black 40%, transparent);
  transform-origin: top; transition: transform 1.4s var(--ease) 1s;
}
.net__mesh::before { content: ""; position: absolute; top: 0; bottom: 0; left: 2px; width: 2px; background: var(--cream); opacity: .9; }
.net__post { position: absolute; left: -5px; width: 10px; height: 10px; border-radius: 50%; background: var(--cream); box-shadow: 0 0 0 3px var(--hard-bg); transition: opacity .4s var(--ease) 2.2s, transform .5s cubic-bezier(.2, .9, .25, 1.4) 2.2s; }
.net__post--a { top: 3.6rem; margin-top: -5px; }
.net__post--b { bottom: 3.6rem; margin-bottom: -5px; }

.zone {
  position: relative; display: grid; align-content: end; justify-items: start; gap: .3rem;
  padding: clamp(1rem, 1.8vw, 1.6rem);
  text-align: left; border: 2px solid var(--cl); margin: 0 0 -2px -2px;
  color: var(--cream); background: transparent;
  transition: background .5s var(--ease);
  min-width: 0; overflow: hidden; z-index: 2;
}
.zone:focus-visible { z-index: 4; outline-offset: -6px; outline-color: var(--clay-soft); }
.half--work .zone { background: color-mix(in srgb, var(--grass) 7%, transparent); }
.zone__live { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .45; transition: opacity .6s var(--ease); pointer-events: none; }
.zone:hover .zone__live, .zone:focus-visible .zone__live { opacity: 1; }
/* a shade over every zone you are not on */
.zone::before { content: ""; position: absolute; inset: 0; z-index: 1; background: transparent; transition: background .5s var(--ease); pointer-events: none; }
.arena.is-hovering .zone:not(:hover)::before { background: color-mix(in srgb, var(--hard-deep) 55%, transparent); }

/* arrival: the camera starts far and tilted away and swings up flat and
   in; the lights come on over blank paper; zones rise outward from the
   net and settle; the net draws itself; the ball drops */
.arena::after { content: ""; position: absolute; inset: 0; z-index: 4; background: var(--page-bg); pointer-events: none; opacity: 0; transition: opacity 1s var(--ease); }
.js .arena:not(.is-in)::after { opacity: 1; }
.js .arena:not(.is-in) .arena__light { opacity: 0; }
.js .arena:not(.is-in) .zone { opacity: 0; transform: translateY(46px) scale(.92); }
.js .arena .zone { transition: opacity .9s var(--ease) calc(var(--d, 0ms) + 250ms), transform 1s cubic-bezier(.2, .9, .25, 1.12) calc(var(--d, 0ms) + 250ms), background .5s var(--ease); }
.js .arena:not(.is-in) .net__mesh { transform: scaleY(0); }
.js .arena:not(.is-in) .net__post { opacity: 0; transform: scale(0); }

/* the zone's own number, giant, under everything; sized by script to fit */
.zone__wm {
  position: absolute; right: .06em; top: 42%; transform: translateY(-50%);
  font-family: var(--serif); font-weight: 300; font-size: var(--wm, 6rem);
  line-height: 1; letter-spacing: -.04em; color: var(--cream); opacity: .07;
  font-variant-numeric: tabular-nums; white-space: nowrap; pointer-events: none;
  transition: opacity .6s var(--ease), transform .8s var(--ease);
}
.zone:hover .zone__wm, .zone:focus-visible .zone__wm { opacity: .16; transform: translateY(-50%) translateX(-.03em); }
.zone__num { font-size: .58rem; letter-spacing: .18em; color: var(--clay-soft); position: absolute; top: clamp(1rem, 1.8vw, 1.6rem); left: clamp(1rem, 1.8vw, 1.6rem); z-index: 2; }
.zone__name, .zone__meta, .zone__line { position: relative; z-index: 2; }
.zone__name {
  font-family: var(--serif); font-weight: 350; font-variation-settings: "SOFT" 0, "WONK" 0;
  font-size: clamp(1.6rem, 2.8vw, 2.9rem); line-height: .95; letter-spacing: -.02em;
  transition: transform .5s var(--ease);
  text-shadow: 0 2px 24px color-mix(in srgb, var(--hard-deep) 80%, transparent);
}
.zone__name em { font-style: italic; font-weight: 300; color: var(--clay-soft); padding-left: .04em; display: block; }
.zone--back .zone__name { font-size: clamp(2.2rem, 4vw, 4.2rem); }
.zone__meta { font-size: .58rem; color: color-mix(in srgb, var(--cream) 62%, transparent); letter-spacing: .14em; }
.zone__meta em { font-style: italic; text-transform: none; letter-spacing: 0; }
.zone__line { font-size: .55rem; color: var(--clay-soft); opacity: 0; transform: translateY(4px); transition: opacity .4s var(--ease), transform .4s var(--ease); }
.zone:hover, .zone:focus-visible { background: color-mix(in srgb, var(--zone, var(--grass)) 22%, transparent); }
.zone:hover .zone__name, .zone:focus-visible .zone__name { transform: translateY(-.25rem) scale(1.04); transform-origin: left bottom; }
.zone:hover .zone__line, .zone:focus-visible .zone__line { opacity: 1; transform: none; }
.zone[data-accent="grass"]  { --zone: var(--grass); }
.zone[data-accent="forest"] { --zone: #4C6A53; }
.zone[data-accent="clay"]   { --zone: var(--clay); }
.half--xp .zone { --zone: var(--clay); }
.zone.is-visited .zone__num::after { content: " · seen"; color: color-mix(in srgb, var(--cream) 45%, transparent); }
.zone.is-open { background: color-mix(in srgb, var(--zone, var(--grass)) 30%, transparent); }
.half.is-pulse .zone { animation: zonepulse 1.4s var(--ease); }
@keyframes zonepulse { 0% { background: transparent; } 30% { background: color-mix(in srgb, var(--cream) 10%, transparent); } 100% { background: transparent; } }

/* alleys: off court */
.zone--alley { grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; align-content: center; gap: 1rem; padding-block: 0; --zone: var(--clay); }
.zone__score { font-family: var(--serif); font-weight: 300; font-size: 1.4rem; color: var(--clay-soft); line-height: 1; position: relative; z-index: 2; }
.zone--alley .zone__name { font-size: clamp(1rem, 1.5vw, 1.3rem); text-shadow: none; }
.zone--alley .zone__meta { justify-self: end; }

/* the ball rolls to the zone you're on */
.arena__ball { position: absolute; left: 0; top: 0; z-index: 3; width: 14px; height: 14px; margin: -7px 0 0 -7px; pointer-events: none; will-change: transform; opacity: 0; transition: opacity .5s var(--ease); }
.arena__ball i { position: absolute; inset: 0; border-radius: 50%; background: var(--clay-soft); background-image: radial-gradient(circle at 35% 30%, #F1C9B2 0, var(--clay-soft) 60%); box-shadow: 0 6px 10px -3px color-mix(in srgb, black 60%, transparent); }
/* a zone grows into its panel, and shrinks back on close */
.arena__flash { position: absolute; left: 0; top: 0; width: 100px; height: 100px; z-index: 5; pointer-events: none; opacity: 0; background: var(--fl, var(--page-bg)); transform-origin: 0 0; }
.arena__flash.is-on { opacity: 1; transition: transform .5s var(--ease); }

/* ---------- 08 Panels ---------- */
.panels { position: fixed; inset: 0; top: var(--navh, 3.75rem); z-index: 90; background: var(--page-bg); display: grid; grid-template-rows: auto minmax(0, 1fr); }
.panels[hidden] { display: none; }
.panel__bar {
  display: flex; align-items: center; gap: 1.5rem;
  padding: .7rem var(--edge) .7rem; border-bottom: 1px solid var(--line);
  font-size: .62rem; letter-spacing: .16em; color: var(--grass);
}
.panel__close {
  display: inline-flex; align-items: center; gap: .7rem;
  font-family: var(--serif); font-size: 1.15rem; font-weight: 400; letter-spacing: -.01em; text-transform: none;
  color: var(--forest); padding: .35rem 0;
  border-bottom: 1px solid transparent;
  transition: color .3s var(--ease), border-color .3s var(--ease);
}
.panel__close svg { transition: transform .35s var(--ease); }
.panel__close:hover { color: var(--clay); border-bottom-color: var(--clay); }
.panel__close:hover svg { transform: translateX(-4px); }
.panel__where { margin-left: auto; color: var(--clay); }
.panel { display: grid; grid-template-columns: minmax(18rem, 2fr) minmax(0, 3fr); gap: clamp(2rem, 4vw, 4rem); padding: clamp(1.5rem, 3vh, 2.5rem) var(--edge) clamp(2rem, 4vh, 3rem); overflow: hidden; min-height: 0; }
.panel[hidden] { display: none; }
/* the reading column scrolls on its own; the stage stays put. Its numbers
   sit at the bottom of the column. */
.panel__text { display: flex; flex-direction: column; gap: clamp(1rem, 2vh, 1.4rem); min-width: 0; min-height: 0; max-height: 100%; overflow: auto; overflow-x: hidden; padding-right: .5rem; scrollbar-width: thin; position: relative; }
.panel__text > .metrics, .panel__text > .chapter__stats, .panel__text > .agent, .panel__text > .about__facts, .panel__text > .contact__links { margin-top: auto; }
.panel__stage { display: grid; grid-template-rows: auto minmax(0, 1fr); gap: .9rem; min-width: 0; min-height: 0; }
.panel__stage .ctl { order: -1; }
.panel__stage > :not(.ctl) { grid-row: 2; min-height: 0; height: 100%; }
.panel__stage .fx { position: relative; min-height: 20rem; aspect-ratio: auto; }
.panel__stage .fx canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.panel__head { display: grid; gap: .5rem; }
.panel__num { font-family: var(--serif); font-weight: 300; font-size: 1.2rem; color: var(--clay); line-height: 1; }
.panel__name { font-family: var(--serif); font-weight: 350; font-variation-settings: "SOFT" 0, "WONK" 0; font-size: clamp(2.4rem, 4.4vw, 4.4rem); line-height: .9; letter-spacing: -.03em; color: var(--forest); }
.panel__name em { font-style: italic; font-weight: 300; color: var(--accent); display: block; padding-left: .06em; }
.panel__cat { color: var(--grass); font-size: .62rem; margin-top: .55rem; }
.case__intro { font-size: clamp(1rem, 1.15vw, 1.1rem); line-height: 1.55; color: var(--ink-soft); max-width: 44ch; }
.waytime { display: grid; gap: .1rem; border-left: 1px solid var(--line); }
.waytime__step { padding: .6rem 0 .6rem 1.4rem; }
.waytime__step p { font-size: .84rem; line-height: 1.5; color: var(--ink); max-width: 36ch; }

/* wayfinder: the column fits without scrolling */
#panel-case-01 .panel__name { font-size: clamp(2.2rem, 3.6vw, 3.6rem); }
#panel-case-01 .panel__text { gap: .6rem; }
#panel-case-01 .case__intro { font-size: .9rem; line-height: 1.45; }
#panel-case-01 .panel__name { font-size: clamp(2rem, 3.2vw, 3.2rem); }
#panel-case-01 .waytime { gap: 0; margin-top: 0; }
#panel-case-01 .waytime__step { padding: .3rem 0 .3rem 1.3rem; }
#panel-case-01 .panel__cat { margin-top: .35rem; }
#panel-case-01 .waytime__step .mono { font-size: .52rem; margin-bottom: .05rem; }
#panel-case-01 .waytime__step p { font-size: .76rem; line-height: 1.38; max-width: none; }


#panel-case-01 .case__stack { font-size: .78rem; letter-spacing: 0; text-transform: none; font-family: var(--sans); color: var(--ink); padding: .2rem 0 0 1.3rem; display: flex; gap: .8rem; align-items: baseline; }
#panel-case-01 .case__stack span { font-family: var(--mono); font-size: .52rem; letter-spacing: .16em; text-transform: uppercase; color: var(--clay); }
#panel-case-01 .metrics { grid-template-columns: auto auto; justify-content: start; gap: .5rem 3rem; padding-top: .7rem; }
#panel-case-01 .metrics dd { font-size: clamp(2rem, 2.8vw, 2.8rem); line-height: 1; }
.case__links--big { gap: .6rem; margin-top: .2rem; }
.case__links--big .btn2 { display: inline-flex; align-items: center; gap: .5rem; padding: .7rem 1rem; font-size: .62rem; border-bottom-width: 1px; }
.case__links--big .btn2 svg { transition: transform .3s var(--ease); }
.case__links--big .btn2:hover svg { transform: translate(2px, -2px); }
/* a vertical pipeline of things already on the page */
.flow { display: grid; margin-top: auto; padding-top: 1rem; border-top: 1px solid var(--line-soft); }
.flow__step { position: relative; padding: .7rem 0 .7rem 1.6rem; font-family: var(--serif); font-size: clamp(1.05rem, 1.4vw, 1.3rem); line-height: 1.2; color: var(--forest); }
.flow__step::before { content: ""; position: absolute; left: .3rem; top: 0; bottom: 0; width: 1px; background: var(--line); }
.flow__step:first-child::before { top: 50%; }
.flow__step:last-child::before { bottom: 50%; }
.flow__step::after { content: ""; position: absolute; left: 0; top: 50%; width: 7px; height: 7px; margin-top: -3.5px; border-radius: 50%; background: var(--page-bg); border: 1px solid var(--clay); }
.flow__step:last-child::after { background: var(--clay); }
.flow__step .mono { display: block; font-size: .55rem; color: var(--clay); margin-bottom: .2rem; }
.flow + .metrics { margin-top: 1.25rem; }
.panel--hard .flow__step { color: var(--cream); }
.panel--hard .flow__step::before { background: var(--line-light); }
.panel--hard .flow__step::after { background: var(--hard-bg); border-color: var(--clay-soft); }
.panel--hard .flow__step:last-child::after { background: var(--clay-soft); }
.panel--hard .flow { border-top-color: var(--line-light); }
.panel--hard .flow__step .mono { color: var(--clay-soft); }
.panel--clay .flow__step::after { background: var(--clay-bg); }
/* tall stats: one big number per row */
.chapter__stats--tall { grid-template-columns: minmax(0, 1fr); gap: .6rem; }
.chapter__stats--tall > div { display: grid; grid-template-columns: minmax(0, auto) minmax(0, 1fr); align-items: baseline; gap: 1rem; padding-bottom: .9rem; border-bottom: 1px solid var(--line-soft); }
.chapter__stats--tall > div:last-child { border-bottom: 0; }
.chapter__stats--tall dd { font-size: clamp(2.8rem, 4.6vw, 4.6rem) !important; letter-spacing: -.03em; }
.chapter__stats--tall dt { margin-top: 0; }
.chapter__stats--tall #agentN { display: inline-block; }
.chapter__stats--tall #agentN.is-tick { animation: ntick .4s var(--ease); }
.panel__text > .agent__cap { margin-top: .5rem; }

/* surfaces */
.panel--grass { background: var(--grass-bg); }
.panel--hard { background: var(--hard-bg); color: var(--cream); }
.panel--hard .panel__name, .panel--hard .panel__bar { color: var(--cream); }
.panel--hard .panel__name em { color: var(--clay-soft); }
.panel--hard .seg button { color: color-mix(in srgb, var(--cream) 70%, transparent); }
.panel--hard .panel__cat, .panel--hard .case__line { color: color-mix(in srgb, var(--cream) 60%, transparent); }
.panel--hard .case__intro { color: color-mix(in srgb, var(--cream) 78%, transparent); }
.panel--hard .case__link { color: var(--cream); border-bottom-color: var(--line-light); }
.panel--hard .case__link:hover { color: var(--clay-soft); border-bottom-color: var(--clay-soft); }
.panel--hard .fx { border-color: var(--line-light); background: var(--hard-deep); }
.panel--hard .fx__read { color: color-mix(in srgb, var(--cream) 70%, transparent); }
.panel--hard .fx__read span { color: var(--clay-soft); }
.panel--hard .fx__cap { color: color-mix(in srgb, var(--cream) 40%, transparent); }
.panel--hard .ctl__hint { color: color-mix(in srgb, var(--cream) 60%, transparent); }
.panel--hard .btn2 { color: var(--cream); border-color: var(--line-light); }
.panel--clay { background: var(--clay-bg); }
.panels.is-dark { background: var(--hard-bg); }
.panels.is-grass { background: var(--grass-bg); }
.panels.is-clay { background: var(--clay-bg); }
.panels.is-dark .panel__bar { color: color-mix(in srgb, var(--cream) 70%, transparent); border-bottom-color: var(--line-light); }
.panels.is-dark .panel__close { color: var(--cream); }
.panels.is-dark .panel__close:hover { color: var(--clay-soft); border-bottom-color: var(--clay-soft); }

/* controls */
.ctl { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem .7rem; }
.ctl__lab { font-size: .55rem; color: var(--grass); margin-right: .2rem; }
.ctl__lab--gap { margin-left: .8rem; }
.ctl__hint { font-size: .55rem; color: var(--ink-soft); text-transform: none; letter-spacing: .08em; margin-left: auto; }
.ctl--trace { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto; gap: .6rem; align-items: center; }
.ctl--trace .sel { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: .5rem; }
.ctl--trace .sel select { width: 100%; min-width: 0; }
.ctl__out { grid-column: 1 / -1; font-size: .55rem; color: var(--clay); text-transform: none; letter-spacing: .08em; min-height: 1em; }
.ctl--dark .ctl__lab { color: var(--grass); }
.btn2 { font-size: .58rem; letter-spacing: .16em; padding: .5rem .8rem; border: 1px solid var(--line); color: var(--forest); transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease); }
.btn2:hover, .btn2--on { background: var(--forest); color: var(--cream); border-color: var(--forest); }
.btn2[aria-pressed="false"] { opacity: .8; }
.seg { display: inline-flex; border: 1px solid var(--line); }
.seg button { font-size: .58rem; letter-spacing: .14em; padding: .5rem .8rem; color: var(--ink-soft); transition: background .3s var(--ease), color .3s var(--ease); }
.seg button + button { border-left: 1px solid var(--line); }
.seg button[aria-pressed="true"] { background: var(--forest); color: var(--cream); }
.lg { display: inline-flex; align-items: center; gap: .4rem; font-size: .55rem; letter-spacing: .14em; padding: .4rem .6rem; border: 1px solid var(--line); color: var(--ink-soft); transition: opacity .3s var(--ease), border-color .3s var(--ease); }
.lg i { width: 7px; height: 7px; border-radius: 50%; background: var(--c); }
.lg[aria-pressed="false"] { opacity: .4; }
.lg[aria-pressed="false"] i { background: transparent; box-shadow: inset 0 0 0 1px var(--c); }
.sel { display: inline-flex; align-items: center; gap: .5rem; font-size: .55rem; letter-spacing: .14em; color: var(--grass); }
.sel select { font-family: var(--mono); font-size: .62rem; letter-spacing: .06em; color: var(--forest); background: var(--paper); border: 1px solid var(--line); padding: .4rem .6rem; }

/* tennistrades: the court surface swaps; the court fills its stage */
.courtlive__surface { fill: transparent; transition: fill .6s var(--ease); }
.courtlive[data-surface="clay"] { background: #8A4A33; border-color: #6E3A27; }
.courtlive[data-surface="clay"] .courtlive__lines rect, .courtlive[data-surface="clay"] .courtlive__lines line { stroke: color-mix(in srgb, var(--cream) 55%, transparent); }
.courtlive[data-surface="grass"] { background: #2F5A3A; border-color: #24472D; }
.courtlive[data-surface="grass"] .courtlive__lines rect, .courtlive[data-surface="grass"] .courtlive__lines line { stroke: color-mix(in srgb, var(--cream) 60%, transparent); }
.courtlive { transition: background .6s var(--ease), border-color .6s var(--ease); }
.courtlive__top { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }
.courtlive__hud { gap: .6rem; }
.courtlive__hud dd { font-size: 1.2rem; }
.edge__svg { height: clamp(90px, 12vh, 130px); }
.panel__stage .courtlive { display: grid; grid-template-rows: minmax(min-content, 1fr) auto; }
.panel__stage .courtlive__top { min-height: 0; }
.panel__stage .courtlive__svg { height: 100%; max-height: none; }
.panel__stage .courtlive__hud dd { font-size: clamp(1.3rem, 1.8vw, 1.8rem); }

/* amazon in a panel */
.panel__stage .net2__svg { height: 100%; }
.panel__stage .net2 .fx__read, .panel__stage .net2 .net2__note { position: static; left: auto; bottom: auto; right: auto; max-width: none; text-align: left; }
.sysmap__how { grid-template-columns: minmax(0, 1fr); gap: .6rem; padding-top: 1rem; }
.sysmap__how p { font-size: .84rem; }
.chapter__stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .8rem 1.5rem; padding-top: 1rem; }
.chapter__stats dd { font-size: clamp(1.6rem, 2.2vw, 2.2rem); }

/* jirav: the trace packs at the top of its stage */
.panel__stage .trace { display: grid; grid-template-rows: auto auto auto; align-content: start; --rh: clamp(3.2rem, 7vh, 4.2rem); gap: clamp(1rem, 2.5vh, 1.5rem); }
.panel__stage .trace__q { font-size: clamp(1.4rem, 2.2vw, 2rem); }
.panel__stage .trace__row { font-size: .9rem; grid-template-columns: minmax(7rem, 11rem) minmax(0, 1fr) 4.5rem; }
.panel__stage .trace__lane { height: 9px; }

/* nue: editable numbers inside the sentence; the compile packs at the top */
.ed { display: inline-flex; align-items: baseline; font: inherit; color: var(--clay); border-bottom: 1px solid color-mix(in srgb, var(--clay) 60%, transparent); }
.ed input { font: inherit; color: inherit; background: none; border: 0; width: 2.5ch; text-align: left; padding: 0; -moz-appearance: textfield; }
.ed input::-webkit-outer-spin-button, .ed input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.ed input:focus { outline: none; }
.ed:focus-within { border-bottom-color: var(--clay); }
.compile__en { font-size: clamp(1.6rem, 2.6vw, 2.4rem); color: var(--forest); }
.panel__stage .compile { display: grid; grid-template-rows: auto auto; align-content: start; gap: clamp(1.5rem, 3vh, 2.25rem); }
.panel__stage .compile__out { gap: clamp(1rem, 2.2vh, 1.5rem); }
.panel__stage .compile__line { padding-block: .1rem; }
.panel__stage .compile__line code { font-size: clamp(1.05rem, 1.5vw, 1.35rem); }
.panel__stage .compile__line .compile__lab { font-size: .62rem; }
.panel__stage .compile__en { font-size: clamp(1.8rem, 3vw, 2.9rem); }

/* role panels */
.chapter__head { display: grid; gap: .5rem; }
.chapter__co { color: var(--clay); font-size: .72rem; }
.chapter__co span { color: var(--grass); font-size: .6rem; letter-spacing: .14em; }
.chapter__role { font-family: var(--serif); font-weight: 350; font-size: clamp(1.6rem, 2.6vw, 2.4rem); line-height: 1.05; letter-spacing: -.02em; color: var(--forest); }
.chapter__role em { font-style: italic; font-weight: 300; color: var(--grass); font-size: .7em; }
.chapter__sub { font-family: var(--sans); color: var(--ink-soft); font-size: .95rem; line-height: 1.5; text-transform: none; letter-spacing: -.005em; max-width: 44ch; }
.chapter__stats > div { display: flex; flex-direction: column-reverse; gap: .35rem; }
.chapter__stats dt { font-size: .58rem; color: var(--grass); }
.agent { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; column-gap: clamp(1.25rem, 2.5vw, 2rem); padding-top: 1.25rem; border-top: 1px solid var(--line-soft); }
.agent__cap { font-family: var(--sans); color: var(--ink-soft); font-size: .85rem; line-height: 1.5; text-transform: none; letter-spacing: 0; max-width: 40ch; }
.contact__lede { font-size: clamp(1rem, 1.3vw, 1.1875rem); line-height: 1.6; color: var(--ink-soft); max-width: 44ch; }
.contact__mail { display: inline-block; font-family: var(--serif); font-weight: 300; font-size: clamp(1.75rem, 5vw, 4.4rem); line-height: 1.1; letter-spacing: -.025em; color: var(--forest); padding-bottom: .15em; border-bottom: 1px solid var(--line); overflow-wrap: anywhere; transition: color .45s var(--ease), border-color .45s var(--ease); }
.contact__mail:hover { color: var(--clay); border-bottom-color: var(--clay); }
.contact__links { display: flex; flex-wrap: wrap; gap: 1.1rem 2.25rem; padding-top: 1.75rem; border-top: 1px solid var(--line); }
.contact__links a { display: inline-flex; align-items: center; gap: .45rem; font-size: .688rem; color: var(--grass); transition: color .4s var(--ease); }
.contact__links a svg { transition: transform .4s var(--ease); }
.contact__links a:hover { color: var(--forest); }
.contact__links a:hover svg { transform: translate(2px, -2px); }

/* about and contact panels */
.panel--about {
  background: var(--forest); grid-template-columns: minmax(0, 1fr);
  /* a court half, faint: the centre service line and the service line */
  background-image:
    linear-gradient(90deg, transparent calc(50% - .5px), var(--line-light) calc(50% - .5px), var(--line-light) calc(50% + .5px), transparent calc(50% + .5px)),
    linear-gradient(180deg, transparent 62%, var(--line-light) 62%, var(--line-light) calc(62% + 1px), transparent calc(62% + 1px));
}
.panel--about .panel__text { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); grid-template-rows: minmax(0, 1fr); column-gap: clamp(2rem, 5vw, 5rem); padding-block: clamp(1rem, 4vh, 3rem); align-items: center; height: 100%; }
.panel--about .about__head { font-size: clamp(3.5rem, 9vw, 9rem); line-height: .9; }
.about__body { display: grid; gap: clamp(1.25rem, 2.5vw, 1.75rem); }
.about__lede { font-size: clamp(1.0625rem, 1.5vw, 1.3rem); line-height: 1.6; max-width: 44ch; color: color-mix(in srgb, var(--cream) 72%, transparent); }
.about__lede--play { font-family: var(--serif); font-weight: 350; font-size: clamp(1.6rem, 2.8vw, 2.8rem); line-height: 1.22; letter-spacing: -.015em; max-width: none; color: color-mix(in srgb, var(--cream) 60%, transparent); }
.about__lede--play .int { color: var(--cream); }
.about__facts { display: grid; gap: 0; }
.panel--about .about__facts { grid-column: 2; margin-top: clamp(1rem, 2vh, 1.5rem); padding-top: 0; }
.about__facts > div { display: grid; grid-template-columns: 7rem minmax(0, 1fr); gap: 1.25rem; align-items: baseline; padding: .85rem 0; border-top: 1px solid var(--line-light); }
.about__facts dt { font-size: .6rem; color: var(--clay-soft); }
.about__facts dd { font-size: .74rem; letter-spacing: .1em; text-transform: none; color: color-mix(in srgb, var(--cream) 72%, transparent); line-height: 1.7; }
.int { position: relative; display: inline-block; color: var(--cream); cursor: default; }
.int::after { content: ""; position: absolute; left: 0; right: 0; bottom: -.1em; height: 1px; background: var(--clay-soft); transform: scaleX(0); transform-origin: left; transition: transform .5s var(--ease); }
.int:hover::after { transform: scaleX(1); }
.int__g { position: absolute; left: 50%; top: 100%; width: 3.2em; height: 1.4em; margin-left: -1.6em; overflow: visible; pointer-events: none; }
.int__g path, .int__g circle { fill: none; stroke: var(--clay-soft); stroke-width: 1.2; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 120; stroke-dashoffset: 120; transition: stroke-dashoffset .9s var(--ease); }
.int:hover .int__g path, .int:hover .int__g circle { stroke-dashoffset: 0; }
.panel--contact { grid-template-columns: minmax(0, 1fr); }
.panel--contact .panel__text { max-width: none; height: 100%; padding-block: clamp(1rem, 4vh, 3rem); gap: clamp(1.5rem, 3vh, 2.5rem); justify-content: center; }
.panel--contact .contact__mail { font-size: clamp(2rem, 7vw, 7rem); }
.panel--contact .contact__links { margin-top: clamp(1rem, 2vh, 1.5rem); }

/* short laptop viewports: everything packs a little tighter */
@media (min-width: 901px) and (max-height: 820px) {
  .panel { padding-top: 1rem; }
  .panel__text { gap: .8rem; }
  .case__intro { font-size: .95rem; }
  .panel__stage .courtlive__hud { gap: .4rem; }
  .panel__stage .courtlive__hud dd { font-size: 1.05rem; }
  .courtlive__hud dt { font-size: .5rem; }
  .edge__svg { height: 80px; }
  .edge { padding-top: .6rem; }
  .edge__legend { margin-top: .5rem; }
  .chapter__stats--tall dd { font-size: clamp(2.2rem, 3.4vw, 3.4rem) !important; }
  .flow__step { padding: .3rem 0 .3rem 1.6rem; font-size: .95rem; }
  .flow { padding-top: .6rem; }
  .flow + .metrics { margin-top: .6rem; }
  .metrics--stack dd { font-size: clamp(2rem, 3vw, 3rem); }
  #panel-case-01 .panel__name { font-size: clamp(1.8rem, 2.6vw, 2.4rem); }
  #panel-case-01 .panel__text { gap: .55rem; }
  #panel-case-01 .panel__cat { margin-top: .3rem; }
  #panel-case-01 .case__intro { font-size: .82rem; line-height: 1.45; }
  #panel-case-01 .waytime { grid-template-columns: 1fr 1fr; column-gap: 1.25rem; border-left: 0; }
  #panel-case-01 .waytime__step { border-left: 1px solid var(--line); padding: .3rem 0 .3rem 1rem; }
  #panel-case-01 .waytime__step::before { left: -3.5px; top: .9rem; }
  #panel-case-01 .waytime__step p { font-size: .72rem; line-height: 1.35; }
  #panel-case-01 .waytime__step { padding-block: .2rem; }
  #panel-case-01 .panel__cat { margin-top: .2rem; }
  #panel-case-01 .metrics { padding-top: .4rem; gap: .3rem 2.5rem; }
  #panel-case-01 .metrics dd { font-size: 1.8rem; }
  #panel-case-01 .waytime__step p { font-size: .7rem; line-height: 1.32; }
  #panel-case-01 .case__stack { font-size: .72rem; padding-top: .1rem; }
  #panel-case-01 .panel__name { font-size: clamp(1.7rem, 2.4vw, 2.2rem); }
  #panel-case-01 .case__intro { font-size: .8rem; line-height: 1.4; }
  .case__links--big { margin-top: 0; }
  .case__links--big .btn2 { padding: .5rem .8rem; font-size: .58rem; }
}

/* no script: every panel is simply laid out under the court */
html:not(.js) .panels, html:not(.js) .panels[hidden] { display: grid; position: static; }
html:not(.js) .panel[hidden] { display: grid; }
html:not(.js) .panel__bar, html:not(.js) .arena { display: none; }
html:not(.js) .panel { border-top: 1px solid var(--line); }

/* ---------- 16 Motion gating ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .js .hero__eyebrow, .js .hero__statement,
  .js .hero__corners, .js .hero__cue { opacity: 1 !important; transform: none !important; }
  .js .hero__name .line > span { transform: none !important; }
  .js .court__lines line { stroke-dasharray: none !important; stroke-dashoffset: 0 !important; }
  .js .morph__to { opacity: 1 !important; transform: none !important; }
  .js .morph__from { opacity: .5 !important; --m: 1; }
  .js .hero__ball { opacity: 1 !important; }
  .js .court__lines path { stroke-dasharray: none !important; stroke-dashoffset: 0 !important; }
  .js .courtlive__lines rect, .js .courtlive__lines line { stroke-dasharray: none !important; stroke-dashoffset: 0 !important; }
  .section--about { animation: none; }
  .js .net2 .n, .js .net2 .e { opacity: 1; }
  .js .trace__row { --draw: 1; }
  .js .compile__line { opacity: 1; }
  .zone__name { transition: none; }
  .arena__light { animation: none; }
  .arena__ball { display: none; }
  .js .arena:not(.is-in) .zone { opacity: 1; transform: none; }
  .js .arena:not(.is-in) .arena__light { opacity: 1; }
  .js .arena:not(.is-in) .net__mesh { transform: none; }
  .js .arena:not(.is-in) .net__post { opacity: 1; }
}

/* ---------- 17 Responsive ---------- */
@media (max-width: 1080px) {
  .case__lead { grid-template-columns: minmax(0, 1fr); }
  .courtlive__top { grid-template-columns: minmax(0, 1fr); }
  .panel { grid-template-columns: minmax(0, 1fr); }
  .panel__stage { grid-template-rows: auto auto; }
  .panel__stage .fx { min-height: 0; height: 60svh; }
  .panel--about .panel__text { grid-template-columns: minmax(0, 1fr); }
  .courtlive__svg { max-height: none; }
  .about__head, .about__body, .about__facts { grid-column: 1; }
  .about__facts { grid-template-columns: minmax(0, 1fr); }
  .courtlive__hud { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 2rem; }
  .compile { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 900px) {
  .nav__cta { font-size: .7rem; }

  .hero__statement { margin-left: 0; margin-right: 0; max-width: 34ch; margin-bottom: 0; }
  /* corners join the flow under the statement instead of anchoring the
     baseline — on a phone the absolute corners collide with the copy */
  .hero__corners { position: static; display: flex; flex-wrap: wrap; gap: .4rem 2.5rem; margin-top: 2.25rem; }
  .hero__corner--l, .hero__corner--r { position: static; text-align: left; }
  .hero__cue { display: none; }

  .ix__meta { opacity: 1; transform: none; margin-top: .3rem; }
  .play.is-hovering .play__item:not(:hover) .play__name { color: var(--forest); }
  .metrics dd { font-size: clamp(2.4rem, 12vw, 3.6rem); }
  .shead__idx { font-size: clamp(2rem, 9vw, 3rem); }
  .sideline, .score { display: none; }
  .about__head { margin-left: 0; }
  /* the court turns portrait: the net runs across */
  .arena {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-rows: 3rem minmax(0, 1.2fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.2fr) 3rem;
    grid-template-areas: "about about" "w1 w1" "w2 w3" "xj xn" "xa xa" "contact contact";
    height: auto; min-height: 42rem;
  }
  .net { grid-area: 4 / 1 / 4 / 3; height: 0; width: auto; }
  .net__mesh { top: -3px; bottom: auto; left: 0; right: 0; height: 6px; width: auto; background: repeating-linear-gradient(90deg, var(--cl) 0 1px, transparent 1px 5px), linear-gradient(180deg, transparent, color-mix(in srgb, var(--cream) 30%, transparent), transparent); box-shadow: 0 8px 18px -6px color-mix(in srgb, black 40%, transparent); }
  .net__mesh::before { left: 0; right: 0; top: 2px; height: 2px; width: auto; }
  .net__post { top: -5px; left: auto; }
  .net__post--a { left: 0; margin: 0 0 0 -5px; }
  .net__post--b { right: 0; margin: 0 -5px 0 0; bottom: auto; }
  .zone--back .zone__name { font-size: clamp(1.8rem, 9vw, 2.6rem); }
  .zone__name { font-size: clamp(1.2rem, 6vw, 1.8rem); }

  .arena__ball { display: none; }
  .zone__line { display: none; }
  .zone--alley .zone__name { font-size: .95rem; }
  .zone--alley .zone__meta { display: none; }
  .arena__lab { display: none; }
  .court__cue-r { display: none; }
  .panels { z-index: 120; }
  .panel__bar { padding: .7rem var(--gut); gap: .8rem; }
  .panel__close { font-size: 1rem; }
  .panel { padding: 1rem var(--gut) 3rem; overflow: auto; display: flex; flex-direction: column; gap: 1.75rem; }
  .panel__text { overflow: visible; max-height: none; padding-right: 0; flex: none; }
  .panel__stage { order: -1; display: flex; flex-direction: column; gap: .9rem; flex: none; min-height: 0; }
  .panel__stage .ctl { order: 0; }
  .panel__stage > :not(.ctl) { height: auto; }
  .panel__stage .fx { position: relative; height: auto; min-height: 0; aspect-ratio: 4 / 5; flex: none; }
  .panel__stage .courtlive__svg { height: auto; }
  .panel--about .panel__text { display: flex; height: auto; }
  .panel--about .about__head { font-size: clamp(3rem, 14vw, 4.5rem); }
  .chapter__stats--tall dd { font-size: clamp(2.2rem, 11vw, 3.2rem) !important; }
  .trace__row { grid-template-columns: auto minmax(0, 1fr) auto; gap: .6rem; font-size: .6rem; }
  .panel__stage .trace__row { font-size: .62rem; }
  .trace__ms { white-space: nowrap; }
  .panel--contact .panel__text { height: auto; }
  .panel__stage .fx--net { aspect-ratio: 4 / 4.2; }
  .panel__stage .courtlive, .panel__stage .trace, .panel__stage .compile, .panel__stage .net2 { flex: none; }
  .courtlive { padding: 1rem; }
  .courtlive__hud { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 1.25rem; }
  .panel__where { font-size: .55rem; }
  .ctl--trace { grid-template-columns: minmax(0, 1fr); }
  .zone__live { opacity: .2; }

  .chapter__stats { flex-wrap: nowrap; gap: 1.2rem 1.6rem; }
  .chapter__stats dd { font-size: clamp(1.5rem, 7.5vw, 2.2rem); }
  .chapter__stats dt { font-size: .5rem; }
  .stat--wide { display: none; }
  .agent__n { font-size: clamp(3rem, 14vw, 4.5rem); }
  .trace__row { grid-template-columns: minmax(5.5rem, 7rem) minmax(0, 1fr) 3rem; font-size: .56rem; }
  .trace__q { font-size: 1rem; }
  .draw__slot span { display: none; }
  .sysmap__side { display: none; }     /* the trace readout and row labels carry the story here */
  .net2 { --bw: 6.4rem; --bh: 1.8rem; }
  .net2 .fx__read { font-size: .55rem; }
  .net2__note { font-size: .5rem; }
  .net2__svg { height: 22rem; }
  .edge__note { margin-left: 0; width: 100%; }
  .edge__hint { display: none; }

  .metrics { grid-template-columns: minmax(0, 1fr); gap: 1.25rem; }
  .progress { display: none; }
}

@media (max-width: 620px) {
  .play__name { font-size: clamp(1.5rem, 7vw, 2.2rem); }
  .spread__name em { display: block; padding-left: 0; }
  .about__facts > div { grid-template-columns: minmax(0, 1fr); gap: .25rem; }
  .fx__cap { display: none; }           /* two captions collide in a narrow box */
  .fx__legend { display: none; }
  .fx--venues { min-height: 20rem; }
  .foot__inner { flex-direction: column; }
}

/* ---------- 18 Print ---------- */
@media print {
  .progress, .nav, .drawer, .egg-court, .egg-score, .grain, .sideline, .score,
  .hero__court, .hero__cue, .fx, .courtlive { display: none; }
  body { background: #fff; color: #000; }
  .section { padding-block: 1.5rem; height: auto; }
  .panels { position: static; }
  .panel, .panels { display: block !important; }
  .arena { display: none; }
  .grain, .sideline, .score { display: none; }
}