/* Layout: the page is a timeline. A red playhead tracks scroll in the header; the hero is the editor itself,
 running the real exported sample; sections read like tracks on a dark editing mat. Tokens are the editor's own. */
:root {
  --mat: #0d0f14; /* page ground: the editor's canvas mat */
  --panel: #14171e; /* editor panels */
  --panel-2: #1b1f28;
  --raised: #22262f;
  --line: #262a35;
  --line-2: #343a48;
  --dot: #1d212a;
  --fg: #e8eaf0;
  --muted: #959cae;
  --faint: #6b7286;
  --accent: #7189ff; /* logo blue */
  --accent-fg: #a3b2ff;
  --accent-soft: rgba(113, 137, 255, 0.14);
  --accent-line: rgba(113, 137, 255, 0.32);
  --key: #f2b63d; /* keyframe amber */
  --key-soft: rgba(242, 182, 61, 0.28);
  --key-text: #f2b63d; /* amber text that reads on the page ground */
  --head: #ff6b6f; /* playhead red */
  --on-accent: #0b0e13;
  --shade: rgba(0, 0, 0, 0.55);
  --glow: rgba(113, 137, 255, 0.16);
  --f-ui: 'Instrument Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --f-mark: 'Instrument Serif', Georgia, 'Times New Roman', serif;
  --f-code: 'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-io: cubic-bezier(0.7, 0, 0.2, 1);
  --wrap: 1200px;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme='dark']) {
    --mat: #eceef3;
    --panel: #fbfbfd;
    --panel-2: #f1f3f7;
    --raised: #ffffff;
    --line: #dfe3eb;
    --line-2: #ccd2de;
    --dot: #d6dae3;
    --fg: #161a25;
    --muted: #5a6274;
    --faint: #808899;
    --accent: #3b5bfd;
    --accent-fg: #2c47d8;
    --accent-soft: rgba(59, 91, 253, 0.09);
    --accent-line: rgba(59, 91, 253, 0.26);
    --key: #cc8606;
    --key-soft: rgba(204, 134, 6, 0.26);
    --key-text: #8a5a00; /* amber text that reads on the page ground */
    --head: #e5484d;
    --on-accent: #ffffff;
    --shade: rgba(20, 24, 40, 0.18);
    --glow: rgba(59, 91, 253, 0.1);
    color-scheme: light;
  }
}
:root[data-theme='light'] {
  --mat: #eceef3;
  --panel: #fbfbfd;
  --panel-2: #f1f3f7;
  --raised: #ffffff;
  --line: #dfe3eb;
  --line-2: #ccd2de;
  --dot: #d6dae3;
  --fg: #161a25;
  --muted: #5a6274;
  --faint: #808899;
  --accent: #3b5bfd;
  --accent-fg: #2c47d8;
  --accent-soft: rgba(59, 91, 253, 0.09);
  --accent-line: rgba(59, 91, 253, 0.26);
  --key: #cc8606;
  --key-soft: rgba(204, 134, 6, 0.26);
  --key-text: #8a5a00; /* amber text that reads on the page ground */
  --head: #e5484d;
  --on-accent: #ffffff;
  --shade: rgba(20, 24, 40, 0.18);
  --glow: rgba(59, 91, 253, 0.1);
  color-scheme: light;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}
body {
  margin: 0;
  background: var(--mat);
  color: var(--fg);
  font: 16px/1.55 var(--f-ui);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::before {
  content: '';
  position: fixed;
  inset: 0 0 auto;
  height: env(safe-area-inset-top, 0px);
  z-index: 60;
  background: var(--panel);
}
a {
  color: inherit;
}
::selection {
  background: var(--accent);
  color: var(--on-accent);
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}
.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
@media (min-width: 720px) {
  .wrap {
    padding-left: max(32px, env(safe-area-inset-left, 0px));
    padding-right: max(32px, env(safe-area-inset-right, 0px));
  }
}
.mat {
  background-color: var(--mat);
  background-image: radial-gradient(var(--dot) 1px, transparent 1.4px);
  background-size: 18px 18px;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  height: 44px;
  padding: 0 20px;
  border-radius: 10px;
  font: 600 15px/1 var(--f-ui);
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    transform 0.2s var(--ease-out),
    background-color 0.2s,
    border-color 0.2s,
    box-shadow 0.3s;
  -webkit-tap-highlight-color: transparent;
  white-space: nowrap;
}
.btn:active {
  transform: scale(0.97);
}
.btn-pri {
  background: var(--accent);
  color: var(--on-accent);
  box-shadow: 0 8px 28px -10px var(--accent);
}
.btn-pri:hover {
  box-shadow: 0 10px 36px -8px var(--accent);
}
.btn-ghost {
  border-color: var(--line-2);
  color: var(--fg);
  background: transparent;
}
.btn-ghost:hover {
  border-color: var(--muted);
  background: var(--panel-2);
}
.btn svg {
  flex: none;
}
.btn-sm {
  height: 36px;
  padding: 0 14px;
  font-size: 14px;
  border-radius: 8px;
}

/* ---------- logo ---------- */
.logo {
  display: block;
  height: 26px;
  width: auto;
  overflow: visible;
}
.logo .lg-a {
  fill: var(--accent);
}
.logo .lg-b,
.logo .lg-p {
  fill: var(--fg);
}
.logo .lg-p {
  transform-box: fill-box;
  transform-origin: center;
}
.boot .logo .lg-p {
  animation: perf 0.5s var(--ease-out) both;
  animation-delay: calc(var(--i) * 45ms + 150ms);
}
@keyframes perf {
  from {
    opacity: 0;
    transform: translateY(-140%) scaleY(0.4);
  }
}
.brand:hover .lg-p {
  animation: advance 0.7s steps(1) 1;
}
@keyframes advance {
  0%,
  100% {
    fill: var(--fg);
  }
  50% {
    fill: var(--accent);
  }
}
.brand:hover .lg-p:nth-child(odd) {
  animation-delay: 0.1s;
}

/* ---------- header ---------- */
.top {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 50;
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid var(--line);
}
.top-in {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 60px;
}
.brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  padding: 6px 0;
}
.nav {
  display: flex;
  gap: 4px;
  margin-left: 12px;
}
.nav a {
  font-size: 14.5px;
  color: var(--muted);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 8px;
  transition:
    color 0.2s,
    background-color 0.2s;
}
.nav a:hover {
  color: var(--fg);
  background: var(--panel-2);
}
.top-r {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}
.ib {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition:
    color 0.2s,
    background-color 0.2s;
}
.ib:hover {
  color: var(--fg);
  background: var(--panel-2);
}
.ib svg {
  transition: transform 0.5s var(--ease-out);
}
.ib:active svg {
  transform: rotate(180deg);
}
@media (max-width: 860px) {
  .nav {
    display: none;
  }
}
.top .btn {
  gap: 7px;
}
@media (max-width: 420px) {
  .top .btn .lbl-long {
    display: none;
  }
}
/* scroll ruler: the page as a timeline */
.ruler {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 6px;
  pointer-events: none;
  background-image: linear-gradient(to right, var(--line-2) 1px, transparent 1px);
  background-size: 40px 4px;
  background-repeat: repeat-x;
  background-position: 0 100%;
  opacity: 0.7;
}
.ph {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 2px;
  height: 10px;
  background: var(--head);
  transform: translateX(calc(var(--p, 0) * (100vw - 2px)));
  pointer-events: none;
}
.ph::before {
  content: '';
  position: absolute;
  left: -4px;
  top: -5px;
  border: 5px solid transparent;
  border-top: 6px solid var(--head);
}
.ph-trail {
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 1px;
  width: 100%;
  background: var(--head);
  opacity: 0.55;
  transform-origin: 0 0;
  transform: scaleX(var(--p, 0));
  pointer-events: none;
}

/* ---------- hero ---------- */
.hero {
  padding-block: 72px 40px;
  position: relative;
  overflow: clip;
}
.hero::before {
  content: '';
  position: absolute;
  inset: -20% -10% auto;
  height: 760px;
  background: radial-gradient(50% 50% at 50% 50%, var(--glow), transparent 70%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: 32px 56px;
  align-items: end;
  position: relative;
}
h1 {
  font: 400 clamp(48px, 7.6vw, 104px) / 0.94 var(--f-mark);
  letter-spacing: -0.02em;
  margin: 0;
  text-wrap: balance;
}
h1 .ln {
  display: block;
  overflow: hidden;
  padding-bottom: 0.06em;
}
h1 .ln > span {
  display: inline-block;
}
.boot h1 .ln > span {
  animation: rise 1s var(--ease-out) both;
}
.boot h1 .ln:nth-child(2) > span {
  animation-delay: 0.09s;
}
.boot h1 .ln:nth-child(3) > span {
  animation-delay: 0.18s;
}
@keyframes rise {
  from {
    transform: translateY(105%);
  }
}
h1 .dot {
  color: var(--key);
}
.lede {
  font-size: clamp(17px, 1.6vw, 19px);
  color: var(--muted);
  max-width: 46ch;
  margin: 0 0 26px;
}
.lede b {
  color: var(--fg);
  font-weight: 600;
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.note {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--faint);
  display: flex;
  gap: 8px;
  align-items: center;
}
.note i {
  width: 7px;
  height: 7px;
  background: var(--key);
  transform: rotate(45deg);
  flex: none;
  border-radius: 1px;
}
.boot .hero-copy {
  animation: fadeUp 0.9s var(--ease-out) 0.3s both;
}
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
}
@media (max-width: 860px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero {
    padding-block: 44px 28px;
  }
}

/* ---------- editor mock ---------- */
.stage {
  margin-top: 56px;
  perspective: 1800px;
  position: relative;
}
.app {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  overflow: hidden;
  box-shadow:
    0 40px 100px -40px var(--shade),
    0 0 0 1px rgba(255, 255, 255, 0.02) inset;
  transform-origin: 50% 0;
}
.boot .app {
  animation: tilt 1.4s var(--ease-out) 0.25s both;
}
@keyframes tilt {
  from {
    opacity: 0;
    transform: rotateX(18deg) translateY(40px) scale(0.96);
  }
}
.app-top {
  display: flex;
  align-items: center;
  gap: 14px;
  height: 48px;
  padding: 0 12px 0 16px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}
.app-top .logo {
  height: 20px;
}
.app-name {
  font-weight: 600;
}
.pill {
  font-size: 12px;
  color: var(--muted);
  background: var(--panel-2);
  border-radius: 99px;
  padding: 3px 10px 3px 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.pill::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #3ecf8e;
}
.app-export {
  margin-left: auto;
  height: 32px;
  font-size: 13px;
  padding: 0 12px;
  border-radius: 7px;
  gap: 7px;
}
.app-body {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) 232px;
}
.rail {
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 0;
}
.rail span {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: var(--muted);
}
.rail span.on {
  background: var(--accent-soft);
  color: var(--accent-fg);
}
.canvas {
  padding: 34px 28px 30px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}
.board-label {
  font-size: 12px;
  color: var(--muted);
  margin: 0 auto 7px;
  width: 100%;
  max-width: 680px;
}
.board-label b {
  color: var(--fg);
  font-weight: 600;
  margin-right: 6px;
}
.board {
  position: relative;
  width: 100%;
  max-width: 680px !important;
  margin: 0 auto;
  max-width: 100%;
  aspect-ratio: 640 / 400;
  box-shadow: 0 12px 40px -18px rgba(0, 0, 0, 0.6);
}
.board svg {
  display: block;
  width: 100%;
  height: 100%;
}
.insp {
  border-left: 1px solid var(--line);
  padding: 14px 14px;
  font-size: 12.5px;
}
.insp h4 {
  font-size: 13px;
  margin: 2px 0 12px;
  display: flex;
  gap: 6px;
  align-items: center;
}
.insp dl {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 8px 8px;
  margin: 0 0 20px;
  align-items: center;
}
.insp dt {
  color: var(--muted);
}
.insp dd {
  margin: 0;
  background: var(--panel-2);
  border-radius: 6px;
  padding: 5px 8px;
  display: flex;
  gap: 6px;
  align-items: center;
  white-space: nowrap;
  overflow: hidden;
}
.insp dd small {
  color: var(--faint);
}
.sw {
  width: 13px;
  height: 13px;
  border-radius: 3px;
  background: #14213d;
  box-shadow: 0 0 0 1px var(--line-2);
}
.insp-tip {
  color: var(--muted);
  line-height: 1.5;
  margin: 0;
}
.insp-tip b {
  color: var(--fg);
}
.kd {
  display: inline-block;
  width: 8px;
  height: 8px;
  border: 1.5px solid var(--key);
  transform: rotate(45deg);
  margin: 0 2px;
  border-radius: 1px;
}

/* timeline */
.tl {
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  user-select: none;
  -webkit-user-select: none;
}
.tl-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 46px;
  padding: 0 14px;
  border-bottom: 1px solid var(--line);
}
.play {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 0;
  display: grid;
  place-items: center;
  background: var(--fg);
  color: var(--panel);
  cursor: pointer;
  transition: transform 0.15s var(--ease-out);
}
.play:active {
  transform: scale(0.9);
}
.play .i-pause {
  display: none;
}
.app.playing .play .i-play {
  display: none;
}
.app.playing .play .i-pause {
  display: block;
}
.time {
  font: 500 15px/1 var(--f-ui);
  font-variant-numeric: tabular-nums;
}
.time small {
  color: var(--muted);
  font-size: 12.5px;
}
.tl-hint {
  margin-left: auto;
  color: var(--faint);
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.tl-grid {
  display: grid;
  grid-template-columns: 172px minmax(0, 1fr);
}
.tl-names {
  border-right: 1px solid var(--line);
}
.tl-names > div,
.tl-head {
  height: 30px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 8px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
  overflow: hidden;
}
.tl-names .nm {
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
}
.tl-names .pr {
  color: var(--muted);
  margin-left: auto;
  font-size: 11px;
  letter-spacing: 0.04em;
}
.tl-head {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.06em;
}
.tl-area {
  position: relative;
  cursor: ew-resize;
  touch-action: pan-y;
}
.tl-ruler {
  height: 30px;
  border-bottom: 1px solid var(--line);
  position: relative;
  color: var(--muted);
  font-size: 11px;
}
.tl-ruler span {
  position: absolute;
  top: 0;
  bottom: 0;
  padding-left: 5px;
  padding-top: 6px;
  border-left: 1px solid var(--line-2);
}
.tl-ruler span.mid {
  border-left-color: var(--line);
  top: 18px;
}
.tl-row {
  height: 30px;
  border-bottom: 1px solid var(--line);
  position: relative;
  transition: background-color 0.25s;
}
.tl-row.live .seg {
  background: var(--key);
  opacity: 0.6;
}
.tl-row:nth-child(even) {
  background-image: linear-gradient(rgba(127, 127, 127, 0.03), rgba(127, 127, 127, 0.03));
}
.seg {
  position: absolute;
  top: 14px;
  height: 2px;
  background: var(--key-soft);
  border-radius: 2px;
}
.dm {
  position: absolute;
  top: 10px;
  width: 10px;
  height: 10px;
  margin-left: -5px;
  background: var(--key);
  transform: rotate(45deg) scale(0.85);
  border-radius: 1.5px;
  transition:
    transform 0.25s var(--ease-out),
    box-shadow 0.25s;
}
.dm.hit {
  transform: rotate(45deg) scale(1.3);
  box-shadow:
    0 0 0 3px var(--key-soft),
    0 0 14px var(--key);
}
.head {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 0;
  pointer-events: none;
  transform: translateX(var(--x, 0px));
  will-change: transform;
}
.head::before {
  content: '';
  position: absolute;
  top: 30px;
  bottom: 0;
  left: -1px;
  width: 2px;
  background: var(--head);
}
.head b {
  position: absolute;
  top: 6px;
  left: 0;
  transform: translateX(-50%);
  background: var(--head);
  color: #fff;
  font: 600 10.5px/1 var(--f-ui);
  font-variant-numeric: tabular-nums;
  padding: 4px 6px;
  border-radius: 4px;
  white-space: nowrap;
}
.caption {
  margin: 18px auto 0;
  text-align: center;
  font-size: 14px;
  color: var(--faint);
  max-width: 60ch;
}
@media (max-width: 1000px) {
  .insp {
    display: none;
  }
  .app-body {
    grid-template-columns: 46px minmax(0, 1fr);
  }
}
@media (max-width: 640px) {
  .rail {
    display: none;
  }
  .app-body {
    grid-template-columns: minmax(0, 1fr);
  }
  .canvas {
    padding: 14px;
  }
  .tl-grid {
    grid-template-columns: 104px minmax(0, 1fr);
  }
  .tl-names .pr,
  .tl-head .w,
  .tl-hint,
  .app-top .pill,
  .app-top .logo {
    display: none;
  }
  .tl-row.opt,
  .tl-names .opt {
    display: none;
  }
  .stage {
    margin-top: 36px;
  }
}

/* ---------- section scaffolding ---------- */
section {
  position: relative;
}
.sec {
  padding-block: 120px 40px;
}
.sec-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 20px 56px;
  align-items: end;
  margin-bottom: 52px;
}
h2 {
  font: 400 clamp(38px, 5.2vw, 68px) / 1 var(--f-mark);
  letter-spacing: -0.015em;
  margin: 0;
  text-wrap: balance;
}
.sec-head p {
  margin: 0;
  color: var(--muted);
  max-width: 52ch;
  font-size: 17px;
}
.tc {
  font: 500 12.5px/1 var(--f-code);
  color: var(--head);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  font-variant-numeric: tabular-nums;
}
.tc::before {
  content: '';
  width: 2px;
  height: 14px;
  background: var(--head);
}
@media (max-width: 860px) {
  .sec-head {
    grid-template-columns: 1fr;
  }
  .sec {
    padding-block: 88px 24px;
  }
}

/* ---------- specimens (what it animates) ---------- */
.specs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}
.spec {
  background: var(--panel);
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.spec-art {
  aspect-ratio: 8 / 5;
  position: relative;
  overflow: hidden;
}
.spec-art svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.spec-tx {
  padding: 16px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}
.spec h3 {
  margin: 0;
  font: 600 16px/1.3 var(--f-ui);
  display: flex;
  align-items: center;
  gap: 10px;
}
.spec h3 kbd {
  margin-left: auto;
}
.spec p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.5;
}
.mini {
  position: relative;
  height: 14px;
  margin: 2px 0 2px;
  border-radius: 2px;
}
.mini::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 6px;
  height: 2px;
  background: var(--key-soft);
  border-radius: 2px;
}
.mini i {
  position: absolute;
  top: 2px;
  width: 9px;
  height: 9px;
  margin-left: -4.5px;
  background: var(--key);
  transform: rotate(45deg);
  border-radius: 1.5px;
}
.mini u {
  position: absolute;
  top: -2px;
  bottom: -2px;
  left: 0;
  width: 2px;
  background: var(--head);
  animation: sweep var(--d, 4s) linear infinite;
}
@keyframes sweep {
  to {
    left: 100%;
  }
}
.spec:not(.inview) * {
  animation-play-state: paused !important;
}
kbd {
  font: 500 12px/1 var(--f-code);
  color: var(--fg);
  background: var(--panel-2);
  border: 1px solid var(--line-2);
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: 4px 6px;
  white-space: nowrap;
}
@media (max-width: 1080px) {
  .specs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 560px) {
  .specs {
    grid-template-columns: 1fr;
  }
}
/* specimen animations */
.a-trim {
  stroke-dasharray: 1;
  stroke-dashoffset: 0;
  animation: trim 4s var(--ease-io) infinite;
}
@keyframes trim {
  0% {
    stroke-dashoffset: 1;
  }
  55%,
  85% {
    stroke-dashoffset: 0;
  }
  100% {
    stroke-dashoffset: -1;
  }
}
.a-pen {
  offset-rotate: 0deg;
  animation: penmove 4s var(--ease-io) infinite;
}
@keyframes penmove {
  0% {
    offset-distance: 0%;
    opacity: 1;
  }
  55% {
    offset-distance: 100%;
    opacity: 1;
  }
  70%,
  100% {
    offset-distance: 100%;
    opacity: 0;
  }
}
.bone {
  transform-box: view-box;
  animation: sway 3s ease-in-out infinite alternate;
}
.bone.b2 {
  animation-delay: -0.25s;
}
.bone.b3 {
  animation-delay: -0.5s;
}
@keyframes sway {
  from {
    transform: rotate(-9deg);
  }
  to {
    transform: rotate(9deg);
  }
}
.ease-dot {
  animation: easey 3s var(--ease-io) infinite alternate;
}
@keyframes easey {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(-96px);
  }
}
.ease-lin {
  animation: easex 3s linear infinite alternate;
}
@keyframes easex {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(100px);
  }
}
.wipe {
  animation: wipe 4s var(--ease-io) infinite;
}
@keyframes wipe {
  0% {
    transform: translateX(-260px);
  }
  60%,
  100% {
    transform: translateX(120px);
  }
}
.rays {
  transform-box: fill-box;
  transform-origin: center;
  animation: spin 12s linear infinite;
}
@keyframes spin {
  to {
    transform: rotate(1turn);
  }
}

/* ---------- workflow (scroll-scrubbed) ---------- */
.flow {
  padding-block: 120px 60px;
}
.flow-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 56px;
}
.flow-vis {
  position: sticky;
  top: 104px;
  align-self: start;
}
.flow-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  overflow: hidden;
}
.flow-art {
  position: relative;
  aspect-ratio: 8 / 5;
  margin: 22px 22px 0;
  max-width: 100%;
}
.flow-art > svg {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 4px;
  transition: transform 0.6s var(--ease-out);
}
.flow-art.out > svg {
  transform: scale(0.9) translateY(-4%);
}
.file {
  position: absolute;
  left: 50%;
  bottom: 8%;
  width: min(310px, 86%);
  transform: translate(-50%, calc(var(--o, 1) * 30px));
  opacity: calc(1 - var(--o, 1));
  background: var(--raised);
  border: 1px solid var(--line-2);
  border-radius: 12px;
  padding: 14px 16px;
  display: flex;
  gap: 14px;
  align-items: center;
  box-shadow: 0 24px 60px -20px var(--shade);
  pointer-events: none;
}
.file-ic {
  width: 38px;
  height: 46px;
  flex: none;
}
.file b {
  display: block;
  font: 500 14px/1.3 var(--f-code);
}
.file small {
  color: var(--muted);
  font-size: 13px;
}
.flow-tl {
  margin-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 12px;
}
.flow-tl .tl-grid {
  grid-template-columns: 128px minmax(0, 1fr);
}
.flow-tl .tl-area {
  cursor: default;
}
.ftime {
  margin-left: auto;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}
.flow-steps {
  padding-bottom: 22vh;
}
.step {
  min-height: 72vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: 24px;
  transition: opacity 0.4s;
}
.step:first-child {
  min-height: 52vh;
  justify-content: flex-start;
  padding-top: 40px;
}
.step:not(.on) {
  opacity: 0.35;
}
.step-n {
  font: 400 64px/1 var(--f-mark);
  color: var(--accent);
  margin-bottom: 12px;
}
.step h3 {
  font: 400 clamp(30px, 3.4vw, 42px) / 1.05 var(--f-mark);
  margin: 0 0 14px;
}
.step p {
  color: var(--muted);
  margin: 0 0 12px;
  max-width: 46ch;
}
.step ul {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 15px;
}
.step li {
  display: flex;
  gap: 10px;
  align-items: baseline;
}
.step li kbd {
  flex: none;
}
@media (max-width: 860px) {
  .flow-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .flow-vis {
    top: 68px;
    z-index: 2;
    background: var(--mat);
    padding-bottom: 12px;
  }
  .flow-art {
    margin: 12px 12px 0;
  }
  .flow-tl {
    margin-top: 10px;
  }
  .step {
    min-height: 60vh;
  }
  .step:first-child {
    min-height: 40vh;
  }
  .step-n {
    font-size: 44px;
  }
  .flow-tl .tl-row:nth-child(n + 3),
  .flow-tl .tl-names > div:nth-child(n + 4) {
    display: none;
  }
}

/* ---------- images ---------- */
.img-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 56px;
  align-items: start;
}
.img-copy h3 {
  font: 400 30px/1.1 var(--f-mark);
  margin: 0 0 10px;
}
.img-copy h3:not(:first-child) {
  margin-top: 34px;
}
.img-copy p {
  color: var(--muted);
  margin: 0 0 12px;
  max-width: 58ch;
}
.img-copy p b,
.img-list b {
  color: var(--fg);
  font-weight: 600;
}
.img-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  color: var(--muted);
  font-size: 15.5px;
  max-width: 58ch;
}
.img-list li {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
}
.img-list li::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--key);
  transform: rotate(45deg) translateY(-1px);
  border-radius: 1px;
}
.img-foot {
  margin-top: 18px !important;
  font-size: 15px;
}
.xpanel {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  overflow: hidden;
  box-shadow: 0 30px 80px -40px var(--shade);
  position: sticky;
  top: 96px;
  min-width: 0;
}
.xp-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  font-weight: 600;
  font-size: 14px;
}
.xp-tag {
  font-size: 12px;
  font-weight: 500;
  color: var(--accent-fg);
  background: var(--accent-soft);
  padding: 3px 9px;
  border-radius: 99px;
}
.xp-prev {
  position: relative;
  aspect-ratio: 8 / 5;
  background-color: var(--mat);
  background-image: conic-gradient(var(--dot) 25%, transparent 0 50%, var(--dot) 0 75%, transparent 0);
  background-size: 16px 16px;
  max-width: 100%;
}
.xp-prev img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.2s;
}
.xp-prev.busy img {
  opacity: 0.82;
}
.xp-prev img:not([src]) {
  visibility: hidden;
}
.xp-loupe {
  position: absolute;
  right: 14px;
  bottom: 14px;
  width: 34%;
  aspect-ratio: 1;
  border-radius: 10px;
  border: 2px solid var(--fg);
  background-color: var(--mat);
  background-repeat: no-repeat;
  image-rendering: pixelated;
  box-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.6);
}
.xp-loupe span {
  position: absolute;
  left: 6px;
  top: 6px;
  font: 600 11px/1 var(--f-ui);
  color: #fff;
  background: rgba(0, 0, 0, 0.55);
  padding: 3px 6px;
  border-radius: 4px;
}
.xp-body {
  padding: 16px 18px 18px;
  font-size: 14px;
  display: grid;
  gap: 12px;
}
.xp-body h4 {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  font-weight: 600;
}
.xp-check {
  display: flex;
  gap: 10px;
  align-items: center;
  cursor: pointer;
}
.xp-check input {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  margin: 0;
}
.xp-row {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
}
.xp-row label {
  color: var(--muted);
}
.xp-row select {
  font: inherit;
  color: var(--fg);
  background: var(--panel-2);
  border: 1px solid var(--line-2);
  border-radius: 7px;
  padding: 7px 9px;
  width: 100%;
  min-width: 0;
}
.xp-range {
  display: flex;
  align-items: center;
  gap: 10px;
}
.xp-range input {
  flex: 1;
  min-width: 0;
  accent-color: var(--accent);
}
.xp-range output {
  font-variant-numeric: tabular-nums;
  background: var(--panel-2);
  border-radius: 6px;
  padding: 3px 7px;
  font-size: 13px;
  min-width: 46px;
  text-align: center;
}
.xp-sum {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  margin-top: 4px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.xp-file {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.xp-file b {
  font: 500 13px/1.3 var(--f-code);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.xp-file span {
  color: var(--muted);
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
}
.xp-file.out {
  text-align: right;
}
.xp-file.out b {
  font: 400 26px/1 var(--f-mark);
  color: var(--fg);
  font-variant-numeric: tabular-nums;
}
.xp-arrow {
  color: var(--faint);
}
.xp-bar {
  height: 6px;
  background: var(--panel-2);
  border-radius: 99px;
  overflow: hidden;
}
.xp-bar i {
  display: block;
  height: 100%;
  width: 100%;
  background: var(--key);
  border-radius: 99px;
  transform-origin: 0 50%;
  transform: scaleX(var(--r, 1));
  transition: transform 0.45s var(--ease-out);
}
.xp-note {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}
@media (max-width: 960px) {
  .img-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .xpanel {
    position: static;
  }
}

/* ---------- export ---------- */
.engines {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}
.eng {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 26px 26px 24px;
  background: var(--panel);
  min-width: 0;
}
.eng h3 {
  margin: 0 0 6px;
  font: 400 30px/1.1 var(--f-mark);
}
.eng > p {
  color: var(--muted);
  margin: 0 0 18px;
}
.eng ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  font-size: 15px;
}
.eng li {
  display: grid;
  grid-template-columns: 16px 1fr;
  gap: 10px;
  align-items: baseline;
}
.eng li::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--key);
  transform: rotate(45deg) translateY(-1px);
  border-radius: 1px;
}
.eng.css li::before {
  background: transparent;
  border: 1.5px solid var(--key);
}
.trig {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 18px;
}
.trig span {
  font-size: 13px;
  border: 1px solid var(--line-2);
  border-radius: 99px;
  padding: 4px 11px;
  color: var(--muted);
}
.code {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  overflow: hidden;
}
.tabs {
  display: flex;
  gap: 2px;
  padding: 8px;
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  scrollbar-width: none;
}
.tabs button {
  border: 0;
  background: transparent;
  color: var(--muted);
  font: 500 14px/1 var(--f-ui);
  padding: 9px 14px;
  border-radius: 7px;
  cursor: pointer;
  white-space: nowrap;
  transition:
    color 0.2s,
    background-color 0.2s;
}
.tabs button:hover {
  color: var(--fg);
}
.tabs button[aria-selected='true'] {
  background: var(--panel-2);
  color: var(--fg);
  box-shadow: inset 0 0 0 1px var(--line-2);
}
.copy {
  margin-left: auto;
  flex: none;
}
.code-body {
  position: relative;
}
.code pre {
  margin: 0;
  padding: 22px 24px;
  overflow: auto;
  max-height: 440px;
  font: 13.5px/1.7 var(--f-code);
  tab-size: 2;
  color: var(--fg);
}
.code-note {
  margin: 0;
  padding: 14px 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}
.code-note code {
  font-family: var(--f-code);
  font-size: 12.5px;
  color: var(--fg);
}
.t-c {
  color: var(--faint);
  font-style: italic;
}
.t-s {
  color: var(--key);
}
.t-t {
  color: var(--accent-fg);
}
.t-k {
  color: var(--head);
}
.sizes {
  display: flex;
  flex-wrap: wrap;
  gap: 28px 48px;
  margin-top: 36px;
}
.sizes div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.sizes b {
  font: 400 44px/1 var(--f-mark);
  font-variant-numeric: tabular-nums;
}
.sizes span {
  color: var(--muted);
  font-size: 14px;
}
@media (max-width: 760px) {
  .engines {
    grid-template-columns: 1fr;
  }
  .code pre {
    padding: 18px 16px;
    font-size: 12.5px;
  }
}

/* ---------- keys ---------- */
.keys {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.key {
  position: relative;
  width: 74px;
  height: 74px;
  border-radius: 12px;
  border: 1px solid var(--line-2);
  border-bottom-width: 4px;
  background: var(--panel);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 9px 10px 8px;
  cursor: pointer;
  color: var(--fg);
  font: inherit;
  text-align: left;
  transition:
    transform 0.12s var(--ease-out),
    border-color 0.2s,
    background-color 0.2s,
    border-bottom-width 0.12s;
}
.key b {
  font: 500 20px/1 var(--f-code);
}
.key span {
  font-size: 11.5px;
  color: var(--muted);
  line-height: 1.15;
}
.key.wide {
  width: 158px;
}
.key:hover {
  border-color: var(--muted);
}
.key.down {
  transform: translateY(3px);
  border-bottom-width: 1px;
  border-color: var(--accent);
  background: var(--accent-soft);
}
.key.down span {
  color: var(--accent-fg);
}
.key-out {
  margin-top: 22px;
  min-height: 52px;
  color: var(--muted);
  max-width: 70ch;
  font-size: 16px;
}
.key-out b {
  color: var(--fg);
}
@media (max-width: 560px) {
  .key {
    width: calc(25% - 8px);
    height: 66px;
  }
  .key.wide {
    width: calc(50% - 5px);
  }
}

/* ---------- free / facts ---------- */
.tool-facts {
  margin-top: 40px;
}
.facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
}
.fact {
  padding: 28px 28px 30px 0;
  border-bottom: 1px solid var(--line);
  min-width: 0;
}
.fact:not(:nth-child(3n + 1)) {
  padding-left: 28px;
  border-left: 1px solid var(--line);
}
.fact h3 {
  margin: 0 0 8px;
  font: 600 17px/1.3 var(--f-ui);
}
.fact p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}
.fact code {
  font: 12.5px var(--f-code);
  color: var(--fg);
  background: var(--panel-2);
  padding: 2px 5px;
  border-radius: 4px;
}
@media (max-width: 900px) {
  .facts {
    grid-template-columns: 1fr 1fr;
  }
  .fact:not(:nth-child(3n + 1)) {
    padding-left: 0;
    border-left: 0;
  }
  .fact:nth-child(even) {
    padding-left: 24px;
    border-left: 1px solid var(--line);
  }
}
@media (max-width: 560px) {
  .facts {
    grid-template-columns: 1fr;
  }
  .fact:nth-child(even) {
    padding-left: 0;
    border-left: 0;
  }
  .fact {
    padding-right: 0;
  }
}

/* ---------- project thumbnails (downloads) ---------- */
.thumbs-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: 40px;
  align-items: stretch;
}
.th-folder {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}
.th-folder-bar {
  height: 36px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 14px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 12.5px;
}
.th-files {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px 18px;
  padding: 24px;
}
.th-file {
  display: grid;
  gap: 8px;
  justify-items: center;
  min-width: 0;
  font-size: 13px;
}
.th-file svg,
.th-file img {
  display: block;
  width: 100%;
  max-width: 180px;
  height: auto;
  border-radius: 4px;
  border: 1px solid var(--line-2);
}
.th-file span {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.th-cards {
  display: grid;
  gap: 16px;
  align-content: start;
}
.th-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
  display: grid;
  gap: 14px;
}
.th-card h3 {
  margin: 0;
  font: 600 17px/1.3 var(--f-ui);
}
.th-card p {
  margin: 0;
  color: var(--muted);
}
.th-card .btn-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.th-warn {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 14px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--key) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--key) 38%, transparent);
  font-size: 14px;
}
.th-warn svg {
  flex: none;
  margin-top: 1px;
  color: var(--key);
}
.th-warn div {
  display: grid;
  gap: 4px;
}
.th-warn div > b {
  color: var(--key-text);
}
.sec-head p code {
  font: 13px var(--f-code);
  color: var(--fg);
  background: var(--panel-2);
  padding: 2px 5px;
  border-radius: 4px;
}
@media (max-width: 900px) {
  .thumbs-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 560px) {
  .th-files {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 16px;
  }
}

/* ---------- final ---------- */
.final {
  padding-block: 140px 120px;
  text-align: center;
  overflow: clip;
}
.final h2 {
  font-size: clamp(54px, 10vw, 148px);
  line-height: 0.9;
}
.final p {
  color: var(--muted);
  margin: 22px auto 34px;
  max-width: 46ch;
  font-size: 18px;
}
.final .cta-row {
  justify-content: center;
}
.strip {
  position: absolute;
  left: 0;
  right: 0;
  height: 30px;
  background: var(--panel);
  border-block: 1px solid var(--line);
  overflow: hidden;
}
.strip::before {
  content: '';
  position: absolute;
  inset: 8px -40px;
  background-image: linear-gradient(90deg, var(--mat) 0 14px, transparent 14px 28px);
  background-size: 28px 100%;
  animation: film 1.2s linear infinite;
}
.strip.t {
  top: 40px;
}
.strip.b {
  bottom: 40px;
}
.strip.b::before {
  animation-direction: reverse;
}
@keyframes film {
  to {
    transform: translateX(28px);
  }
}
.final:not(.inview) .strip::before {
  animation-play-state: paused;
}

footer {
  border-top: 1px solid var(--line);
  background: var(--panel);
}
.foot {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 32px;
  align-items: center;
  padding-block: 28px calc(28px + env(safe-area-inset-bottom, 0px));
  font-size: 14px;
  color: var(--muted);
}
.foot a {
  text-decoration: none;
}
.foot a:hover {
  color: var(--fg);
}
.foot .logo {
  height: 16px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    animation-delay: 0s !important;
    transition-duration: 0.01ms !important;
  }
  .a-trim {
    stroke-dashoffset: 0 !important;
  }
  .mini u {
    display: none;
  }
}

/* ========== multi-page site: shared parts ========== */
.nav a[aria-current='page'] {
  color: var(--fg);
  background: var(--panel-2);
}
/* editor captures come in pairs, one per theme */
.cap {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 14px;
  border: 1px solid var(--line-2);
  box-shadow: 0 24px 60px -24px var(--shade);
  background: var(--panel);
}
.cap-l {
  display: none;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme='dark']) .cap-l {
    display: block;
  }
  :root:not([data-theme='dark']) .cap-d {
    display: none;
  }
}
:root[data-theme='light'] .cap-l {
  display: block;
}
:root[data-theme='light'] .cap-d {
  display: none;
}
:root[data-theme='dark'] .cap-l {
  display: none;
}
:root[data-theme='dark'] .cap-d {
  display: block;
}
.band {
  background: var(--panel);
  border-block: 1px solid var(--line);
}
.sec.band {
  padding-block: 112px;
}
.sec-more {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 20px;
  align-items: center;
  margin-top: 32px;
}
.sec-more p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}
.more {
  font-weight: 600;
  font-size: 15px;
  color: var(--accent-fg);
  text-decoration: none;
  display: inline-flex;
  gap: 6px;
  align-items: center;
}
.more:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.more-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}
code {
  font: 500 0.88em var(--f-code);
}

/* ---------- home: hero additions ---------- */
.hero-pill {
  position: relative;
  display: inline-flex;
  gap: 10px;
  align-items: center;
  padding: 6px 14px 6px 8px;
  margin-bottom: 28px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--line);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: border-color 0.2s;
}
.hero-pill:hover {
  border-color: var(--accent-line);
}
.hp-ic {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-fg);
  display: grid;
  place-items: center;
  flex: none;
}
.hp-ar {
  color: var(--accent-fg);
  transition: transform 0.2s var(--ease-out);
}
.hero-pill:hover .hp-ar {
  transform: translateX(3px);
}
.app-agent {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 32px;
  padding: 0 11px;
  border-radius: 7px;
  border: 1px solid var(--line-2);
  background: var(--raised);
  color: var(--fg);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
}
.app-agent:hover {
  border-color: var(--muted);
}
.app-agent + .app-export {
  margin-left: 0;
}
@media (max-width: 640px) {
  .app-agent {
    display: none;
  }
  .app-agent + .app-export {
    margin-left: auto;
  }
  .hero-pill {
    font-size: 13px;
  }
}

/* ---------- home: proof strip ---------- */
.proof {
  background: var(--panel);
  border-block: 1px solid var(--line);
}
.proof .wrap {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
  padding-block: 36px;
}
.proof b {
  display: block;
  font: 400 clamp(38px, 4.6vw, 52px) / 1 var(--f-mark);
  letter-spacing: -0.01em;
}
.proof p {
  margin: 8px 0 0;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.45;
}
@media (max-width: 860px) {
  .proof .wrap {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- design agent band (dark in both themes, like the panel it shows) ---------- */
.agent-band-sec {
  padding-block: 0 112px;
}
.agent-band {
  background-color: #0d0f14;
  background-image: radial-gradient(#1d212a 1px, transparent 1.3px);
  background-size: 22px 22px;
  border: 1px solid #262a35;
  border-radius: 28px;
  padding: clamp(28px, 5vw, 72px);
  color: #e8eaf0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr));
  gap: 56px;
  align-items: start;
}
.agent-band h2 {
  color: #fff;
}
.tc-on-dark {
  color: #a3b2ff;
  letter-spacing: 0.08em;
  font-weight: 600;
}
.tc-on-dark::before {
  background: #ff6b6f;
}
.ab-lede {
  font-size: 17px;
  line-height: 1.6;
  color: #a9b0c0;
  margin: 22px 0 28px;
  max-width: 480px;
}
.ab-list {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-size: 15px;
  color: #d5d9e3;
}
.ab-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.ab-list b {
  color: #fff;
}
.dia {
  color: #f2b63d;
  font-size: 13px;
  margin-top: 2px;
  flex: none;
}
.ab-btn,
.ab-btn:hover {
  background: #7189ff;
  color: #0b0e13;
  box-shadow: none;
}
.ab-side {
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: center;
}
.ab-cap {
  max-width: 400px;
  border-color: #2f3546;
  background: #14171e;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}
.ab-ways {
  width: 100%;
  max-width: 400px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  font-size: 13px;
  line-height: 1.45;
  color: #a9b0c0;
}
.ab-ways > div {
  border: 1px solid #2f3546;
  border-radius: 12px;
  padding: 12px 14px;
}
.ab-ways b {
  color: #fff;
  display: block;
  margin-bottom: 2px;
}
@media (max-width: 420px) {
  .ab-ways {
    grid-template-columns: 1fr;
  }
}

/* ---------- home: ship it anywhere ---------- */
.ship {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  align-items: center;
}
.kinds {
  flex: 1 1 min(100%, 360px);
  min-width: 0;
}
.kinds > div {
  padding: 16px 0;
  border-top: 1px solid var(--line);
}
.kinds > div:last-child {
  border-bottom: 1px solid var(--line);
}
.kinds h3 {
  margin: 0 0 4px;
  font-size: 17px;
}
.kinds p {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
}
.ship-cap {
  flex: 1.5 1 min(100%, 520px);
  min-width: 0;
}
.embed-bar {
  margin-top: 14px;
  padding: 18px 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 20px;
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
}
.eb-t {
  font-size: 14px;
  font-weight: 600;
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
}
.chips span {
  padding: 5px 10px;
  border-radius: 8px;
  background: var(--panel-2);
}
.eb-sp {
  flex: 1;
}
.eb-npm {
  font: 13px var(--f-code);
  color: var(--muted);
}
.eb-npm b {
  color: var(--fg);
}
.embed-bar .more {
  font-size: 14px;
}

/* ---------- home: fits the way you work ---------- */
.fits {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 28px;
}
.fits h3 {
  margin: 0 0 8px;
  font-size: 19px;
}
.fits p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.55;
  color: var(--muted);
}
.free-row {
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.free4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr));
  gap: 28px;
}
.free4 h3 {
  margin: 0 0 6px;
  font-size: 16px;
}
.free4 p {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--muted);
}

/* ---------- footer ---------- */
.foot-grid {
  display: grid;
  grid-template-columns: 1.3fr repeat(3, minmax(0, 1fr));
  gap: 32px;
  padding-block: 44px 36px;
  font-size: 14px;
}
.foot-grid h2 {
  font: 600 14px/1.3 var(--f-ui);
  margin: 0 0 12px;
  letter-spacing: 0;
}
.foot-grid nav {
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.foot-grid nav a {
  color: var(--muted);
  text-decoration: none;
}
.foot-grid nav a:hover {
  color: var(--fg);
}
.foot-copy {
  border-top: 1px solid var(--line);
  padding-block: 20px calc(24px + env(safe-area-inset-bottom, 0px));
  color: var(--muted);
  font-size: 12px;
}
.foot-brand .logo {
  height: 20px;
}
.foot-brand a {
  display: inline-block;
}
.foot-brand p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
  max-width: 28ch;
}
@media (max-width: 860px) {
  .foot-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 480px) {
  .foot-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- inner pages: head ---------- */
.phead {
  padding-block: 56px 48px;
  border-bottom: 1px solid var(--line);
}
.crumb {
  margin: 0 0 28px;
  font-size: 13px;
  color: var(--muted);
  display: flex;
  gap: 8px;
}
.crumb a {
  color: var(--accent-fg);
  text-decoration: none;
}
.crumb a:hover {
  text-decoration: underline;
}
.phead-row {
  display: flex;
  flex-wrap: wrap;
  gap: 28px 48px;
  justify-content: space-between;
  align-items: flex-end;
}
.phead h1 {
  font-size: clamp(48px, 7vw, 92px);
}
.phead-row > p {
  margin: 0;
  font-size: 17px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 440px;
}
.pchips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 36px;
}
.pchips a {
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--line);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: border-color 0.2s;
}
.pchips a:hover {
  border-color: var(--accent-line);
}
.cta-band {
  padding-block: 88px;
  text-align: center;
}
.cta-band h2 {
  margin-bottom: 28px;
}

/* ---------- features ---------- */
.feat {
  display: flex;
  gap: 48px;
  padding-block: 56px 96px;
}
.idx {
  flex: 0 0 220px;
}
.idx-in {
  position: sticky;
  top: 88px;
}
.idx-t {
  margin: 0 0 10px 12px;
  font: 600 11px/1 var(--f-code);
  letter-spacing: 0.08em;
  color: var(--muted);
}
.idx a {
  display: block;
  padding: 6px 12px;
  border-radius: 8px;
  color: var(--fg);
  font-size: 14px;
  text-decoration: none;
}
.idx a:hover,
.idx a.on {
  background: var(--panel);
}
.idx a.on {
  font-weight: 600;
}
.idx .sub {
  padding: 3px 12px 3px 24px;
  font-size: 13px;
  color: var(--muted);
}
.idx-more {
  margin: 20px 12px 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.idx .idx-more a {
  padding: 0;
  color: var(--accent-fg);
}
.idx .idx-more a:hover {
  background: none;
  text-decoration: underline;
}
.feat-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 88px;
}
@media (max-width: 960px) {
  .idx {
    display: none;
  }
}
.grp {
  scroll-margin-top: 84px;
}
.ghead {
  display: flex;
  gap: 18px;
  align-items: baseline;
  margin-bottom: 24px;
}
.gnum {
  font: 500 12px/1 var(--f-code);
  color: var(--head);
  flex: none;
  width: 28px;
}
.ghead h2 {
  font-size: 44px;
  margin: 0 0 8px;
}
.ghead p {
  margin: 0;
  font-size: 16px;
  color: var(--muted);
  max-width: 560px;
}
.spot {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: 28px;
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px;
  margin-bottom: 14px;
}
.spot h3 {
  margin: 0 0 10px;
  font-size: 22px;
}
.spot p {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--muted);
}
.spot .tl-more {
  margin-top: 12px;
}
.spot .narrow {
  max-width: 358px;
  margin-inline: auto;
}
.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 250px), 1fr));
  gap: 14px;
}
.tile {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  color: var(--fg);
  text-decoration: none;
}
a.tile {
  transition: border-color 0.2s;
}
a.tile:hover {
  border-color: var(--accent-line);
}
.vis {
  aspect-ratio: 8 / 5;
  display: grid;
  place-items: center;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  position: relative;
  color: var(--fg);
}
.vis > .spec-art {
  position: absolute;
  inset: 0;
  aspect-ratio: auto;
}
.vis.shotv {
  background: var(--mat);
}
.vis .cap.crop {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}
.crop-presets {
  object-position: 30% 0;
}
.crop-tl {
  object-position: 0 0;
}
.crop-graph {
  object-position: 82% 50%;
}
.crop-agent {
  object-position: 50% 40%;
}
.crop-exp {
  object-position: 100% 30%;
}
.tb {
  padding: 16px 18px 18px;
}
.tb h3 {
  margin: 0 0 6px;
  font-size: 16px;
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.tb p {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
}
.tb .tl-more {
  margin-top: 10px;
}
.tb .more {
  font-size: 14px;
}
.sun-img {
  width: 150px;
  height: 94px;
  object-fit: cover;
  border-radius: 4px;
  box-shadow: 0 8px 20px var(--shade);
}
.v-text {
  display: flex;
  gap: 18px;
  align-items: baseline;
}
.vt-a {
  font: 400 54px/1 var(--f-mark);
}
.vt-b {
  font:
    500 40px/1 'Frank Ruhl Libre',
    'Times New Roman',
    serif;
}
.vt-c {
  font: 600 36px/1 var(--f-ui);
}
.v-num,
.v-keys {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  padding: 0 12px;
}
.vn-f {
  background: var(--raised);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 15px;
}
.vn-f span {
  color: var(--muted);
}
.v-help {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
}
.vh-tip {
  background: var(--fg);
  color: var(--mat);
  font-size: 12px;
  border-radius: 7px;
  padding: 6px 9px;
  max-width: 190px;
  line-height: 1.35;
}
.vh-l {
  font-size: 14px;
  color: var(--muted);
}
.vh-l span {
  color: var(--accent-fg);
}
.v-spell {
  font: 400 30px/1 var(--f-mark);
  text-decoration: underline wavy var(--head);
  text-underline-offset: 6px;
}
.v-file {
  display: flex;
  gap: 12px;
  align-items: center;
  background: var(--raised);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 14px;
}
.v-file img {
  width: 52px;
  height: 33px;
  object-fit: cover;
  border-radius: 3px;
}
.v-file span {
  font: 500 13px/1.3 var(--f-code);
}
.v-pill {
  height: 40px;
  padding: 0 20px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--on-accent);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
}
.v-link {
  font: 400 30px/1 var(--f-mark);
  color: var(--accent-fg);
  text-decoration: underline;
  text-underline-offset: 6px;
}
.vis.code-vis {
  background: #0d0f14;
}
.v-code {
  font: 400 13px/1.7 var(--f-code);
  color: #a9b0c0;
  white-space: pre;
}
.v-code i {
  font-style: normal;
  color: #a3b2ff;
}
.v-code b {
  font-weight: 400;
  color: #f2b63d;
}
.v-exts {
  display: flex;
  gap: 6px;
  font: 500 12px/1 var(--f-code);
}
.v-exts span {
  background: var(--raised);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px;
}
.keys-try {
  margin-top: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px;
}
.keys-try h3 {
  margin: 0 0 6px;
  font-size: 22px;
}
.keys-try > p {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 15px;
}
.keys-try .key {
  background: var(--raised);
}
.keys-try .key-out {
  margin-bottom: 0;
  min-height: 0;
}
.th-file img {
  aspect-ratio: 360 / 224;
  object-fit: cover;
}

/* ---------- shared cards and lists ---------- */
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
}
.band .card {
  background: var(--mat);
}
.dlist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--muted);
}
.dlist li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.dlist b {
  color: var(--fg);
}
.dlist .dia {
  color: var(--key);
  font-size: 12px;
  margin-top: 3px;
}
.chipset {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.chipset span {
  font-size: 13px;
  padding: 5px 10px;
  border-radius: 8px;
  background: var(--panel-2);
  border: 1px solid var(--line);
}
.chipset a {
  color: var(--accent-fg);
  text-decoration: none;
}
.lead {
  font-size: 17px;
  line-height: 1.6;
  color: var(--muted);
  margin: 20px 0 22px;
  max-width: 54ch;
}
.lead b {
  color: var(--fg);
}
.code-card {
  margin: 0;
  background: #0d0f14;
  border: 1px solid #262a35;
  border-radius: 14px;
  padding: 22px 24px;
  color: #a9b0c0;
  font: 400 13px/1.8 var(--f-code);
  overflow-x: auto;
}
.code-card code {
  font: inherit;
}
.code-card i {
  font-style: normal;
  color: #6b7286;
}
.code-card em {
  font-style: normal;
  color: #a3b2ff;
}
.code-card b {
  font-weight: 400;
  color: #f2b63d;
}
.files-note {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--muted);
  max-width: 80ch;
}
.files-note .more {
  font-size: 14px;
}

/* ---------- agent page ---------- */
.ag-hero {
  padding-bottom: 88px;
}
.ag-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 460px), 1fr));
  gap: 56px;
  align-items: center;
}
.ag-grid h1 {
  margin-bottom: 24px;
}
.ag-cap {
  max-width: 380px;
  justify-self: center;
  width: 100%;
}
.kbd-on {
  background: rgba(255, 255, 255, 0.2);
  border-color: transparent;
  color: inherit;
}
.rails {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 330px), 1fr));
  gap: 16px;
}
.rail-c {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px;
}
.rail-c h3 {
  margin: 0;
  font-size: 16px;
}
.rail-c p {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
}
.band .rail-c.rail-dark,
.rail-c.rail-dark {
  background: #0d0f14;
  border-color: #262a35;
  color: #e8eaf0;
}
.rail-dark h3 {
  color: #fff;
}
.rail-c.rail-dark p {
  color: #a9b0c0;
}
.rail-dark b {
  color: #f2b63d;
}
.tchips {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 4px;
}
.tchips code {
  font: 500 11px/1 var(--f-code);
  padding: 5px 7px;
  border-radius: 6px;
  background: var(--panel-2);
  color: var(--fg);
}
.ways {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: flex-start;
}
.ways-cap {
  flex: 0 1 320px;
  min-width: 0;
}
.ways-t {
  flex: 1 1 560px;
  min-width: 0;
  overflow-x: auto;
}
.ways-t table,
.choose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.5;
}
.ways-t table {
  min-width: 640px;
}
.ways-t th,
.ways-t td,
.choose th,
.choose td {
  padding: 14px 18px;
  text-align: left;
  vertical-align: top;
  font-weight: 400;
  border-top: 1px solid var(--line);
}
.ways-t thead th,
.ways-t thead td {
  border-top: 0;
}
.ways-t thead b {
  display: block;
  font-size: 17px;
}
.ways-t thead span {
  font-size: 13px;
  color: var(--muted);
}
.ways-t tbody th {
  color: var(--muted);
  width: 160px;
}
.ways-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
  gap: 16px;
  margin-top: 16px;
}
.dl-card {
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.dl-card b {
  font-size: 16px;
}
.dl-card a {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-weight: 600;
  font-size: 14px;
  color: var(--accent-fg);
  text-decoration: none;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
.dl-card a:hover span {
  transform: translateX(2px);
}
.vec {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr));
  gap: 48px;
  align-items: center;
}
.vec h2 {
  margin-bottom: 28px;
}
.vec-caps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: start;
}
.vec-caps figure,
.photos figure {
  margin: 0;
}
figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--muted);
  text-align: center;
}
.faq {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr));
  gap: 56px;
}
.faq-p {
  margin: 20px 0 0;
  font-size: 17px;
  line-height: 1.6;
  color: var(--muted);
}
.faq-p b {
  color: var(--fg);
}
.q {
  border-top: 1px solid var(--line);
  padding: 20px 0;
}
.q h3 {
  margin: 0 0 6px;
  font-size: 17px;
}
.q p {
  margin: 0;
  font-size: 15px;
  line-height: 1.55;
  color: var(--muted);
}
@media (max-width: 560px) {
  .vec-caps {
    grid-template-columns: 1fr;
  }
}

/* ---------- export page ---------- */
.choose {
  margin-top: 36px;
  overflow-x: auto;
}
.choose table {
  min-width: 560px;
}
.choose thead th {
  border-top: 0;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.choose tbody th {
  font-weight: 600;
}
.choose td a {
  color: var(--accent-fg);
  font-weight: 600;
  text-decoration: none;
}
.choose td:last-child {
  color: var(--muted);
}
.x-cap + .code {
  margin-top: 16px;
}
.photos .img-copy h3 {
  font: 600 22px/1.25 var(--f-ui);
}
.split .code-card {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.starts {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  align-items: center;
  font-size: 14px;
}
.starts-n {
  margin-left: auto;
  color: var(--muted);
  font-size: 13px;
}
.x-cap {
  margin-top: 32px;
}
.photos {
  margin-top: 32px;
  padding: 32px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr));
  gap: 36px;
  align-items: start;
}
.photos h3 {
  margin: 0 0 10px;
  font-size: 22px;
}
.photos .img-copy > p {
  margin: 0 0 18px;
}
.photos figcaption {
  text-align: left;
}
.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr));
  gap: 48px;
  align-items: center;
}
.split + .split {
  margin-top: 104px;
  padding-top: 88px;
  border-top: 1px solid var(--line);
}
.split .cta-row {
  margin-top: 28px;
}
.kinds3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: 16px;
}
.kind {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  scroll-margin-top: 84px;
}
.kind .cap {
  border-radius: 10px;
  box-shadow: none;
}
.kind h3 {
  margin: 4px 0 0;
  font-size: 20px;
}
.kind .dlist {
  font-size: 14px;
}

/* ---------- downloads ---------- */
.files {
  overflow: hidden;
}
.frow {
  display: grid;
  grid-template-columns: minmax(150px, 220px) minmax(0, 1fr) 110px auto;
  gap: 8px 20px;
  align-items: center;
  padding: 18px 22px;
}
.frow + .frow {
  border-top: 1px solid var(--line);
}
.fn {
  font: 500 14px/1.3 var(--f-code);
}
.fd {
  color: var(--muted);
  font-size: 14px;
}
.fs {
  color: var(--muted);
  font-size: 13px;
}
.frow code.fa {
  font-size: 13px;
  color: var(--fg);
  background: var(--panel-2);
  border-radius: 7px;
  padding: 8px 10px;
  white-space: nowrap;
}
.frow .btn {
  justify-self: end;
}
@media (max-width: 720px) {
  .frow {
    grid-template-columns: 1fr auto;
  }
  .fd {
    grid-column: 1 / -1;
    grid-row: 2;
  }
  .fs {
    display: none;
  }
}
.dl-legal {
  padding-block: 28px;
}
.dl-legal .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  align-items: center;
  font-size: 14px;
  color: var(--muted);
}
.dl-legal .more {
  font-size: 14px;
}

/* ---------- licence ---------- */
.licence {
  margin: 0;
  font: 400 15px/1.65 var(--f-ui);
  color: var(--fg);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: clamp(20px, 4vw, 40px);
  max-width: 82ch;
}
.licence p,
.licence ul {
  margin: 0 0 14px;
}
.licence ul {
  padding-left: 20px;
}
.licence li + li {
  margin-top: 4px;
}
.scroll-opt {
  margin-top: 14px;
  padding: 32px;
}
.scroll-opt h3 {
  font: 400 clamp(30px, 3.4vw, 42px) / 1.05 var(--f-mark);
  margin: 0 0 14px;
}
.scroll-opt p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 16px;
  max-width: 52ch;
}
.opt-tag {
  display: inline-block;
  margin-bottom: 16px;
  font: 500 12px/1 var(--f-code);
  color: var(--accent-fg);
  background: var(--accent-soft);
  border-radius: 6px;
  padding: 6px 8px;
}
.x-cap {
  margin-top: 14px;
}

/* ---------- Features: the tiles' own little animations (site/src/art) ---------- */
.spec-art .ta {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--fg);
}
.spec-art > svg {
  color: var(--fg);
}
.ta-dark {
  background: #0d0f14;
}
/* pen: the curve draws on behind the pen, nodes and handles land as it passes */
.ta-pen-line {
  stroke-dasharray: 1;
  animation: taDraw 4s var(--ease-io) infinite;
}
@keyframes taDraw {
  0% {
    stroke-dashoffset: 1;
  }
  55%,
  88% {
    stroke-dashoffset: 0;
  }
  100% {
    stroke-dashoffset: 0;
    opacity: 0;
  }
}
.ta-pen-tip {
  offset-path: path('M30 118 C70 30 130 30 150 80 S 210 130 214 40');
  offset-rotate: 0deg;
  animation: taTip 4s var(--ease-io) infinite;
}
@keyframes taTip {
  0% {
    offset-distance: 0%;
    opacity: 1;
  }
  55% {
    offset-distance: 100%;
    opacity: 1;
  }
  62%,
  100% {
    offset-distance: 100%;
    opacity: 0;
  }
}
.ta-pen-n1,
.ta-pen-h1,
.ta-pen-n2,
.ta-pen-h2,
.ta-pen-n3 {
  animation: taPop 4s infinite both;
  transform-box: fill-box;
  transform-origin: center;
}
.ta-pen-h1 {
  animation-name: taPopH1;
}
.ta-pen-n2,
.ta-pen-h2 {
  animation-name: taPopN2;
}
.ta-pen-n3 {
  animation-name: taPopN3;
}
@keyframes taPop {
  0%,
  2% {
    opacity: 0;
    transform: scale(0.3);
  }
  6%,
  88% {
    opacity: 1;
    transform: none;
  }
  100% {
    opacity: 0;
  }
}
@keyframes taPopH1 {
  0%,
  10% {
    opacity: 0;
  }
  16%,
  88% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}
@keyframes taPopN2 {
  0%,
  28% {
    opacity: 0;
    transform: scale(0.3);
  }
  33%,
  88% {
    opacity: 1;
    transform: none;
  }
  100% {
    opacity: 0;
  }
}
@keyframes taPopN3 {
  0%,
  53% {
    opacity: 0;
    transform: scale(0.3);
  }
  58%,
  88% {
    opacity: 1;
    transform: none;
  }
  100% {
    opacity: 0;
  }
}
/* shapes: each one dragged out from its corner, in turn */
.ta-sh {
  transform-box: fill-box;
  transform-origin: 0 0;
  animation: taShape 5s var(--ease-out) infinite both;
}
.ta-sh2 {
  animation-delay: 0.5s;
}
.ta-sh3 {
  animation-delay: 1s;
}
.ta-sh4 {
  animation-delay: 1.5s;
}
@keyframes taShape {
  0% {
    transform: scale(0);
    opacity: 0;
  }
  3% {
    opacity: 1;
  }
  12%,
  80% {
    transform: none;
    opacity: 1;
  }
  90%,
  100% {
    transform: none;
    opacity: 0;
  }
}
.ta-sh-box {
  animation: taShBox 5s linear infinite;
}
@keyframes taShBox {
  0% {
    transform: translateX(0);
    opacity: 1;
  }
  10% {
    transform: translateX(0);
  }
  20% {
    transform: translateX(57px);
  }
  30% {
    transform: translateX(124px);
  }
  40%,
  80% {
    transform: translateX(167px);
    opacity: 1;
  }
  90%,
  100% {
    transform: translateX(167px);
    opacity: 0;
  }
}
/* text: typed one script at a time, caret blinking */
.spec-art .ta-text {
  display: flex;
  gap: 18px;
  justify-content: center;
  align-items: center;
}
.tt {
  animation: taType 5s steps(1) infinite both;
}
.tt1 {
  font: 400 52px/1 var(--f-mark);
}
.tt2 {
  font:
    500 40px/1 'Frank Ruhl Libre',
    'Times New Roman',
    serif;
  animation-name: taType2;
}
.tt3 {
  font: 600 36px/1 var(--f-ui);
  animation-name: taType3;
}
@keyframes taType {
  0% {
    opacity: 0;
  }
  10%,
  86% {
    opacity: 1;
  }
  90%,
  100% {
    opacity: 0;
  }
}
@keyframes taType2 {
  0%,
  28% {
    opacity: 0;
  }
  30%,
  86% {
    opacity: 1;
  }
  90%,
  100% {
    opacity: 0;
  }
}
@keyframes taType3 {
  0%,
  48% {
    opacity: 0;
  }
  50%,
  86% {
    opacity: 1;
  }
  90%,
  100% {
    opacity: 0;
  }
}
.ta-caret {
  width: 2px;
  height: 40px;
  background: var(--accent);
  margin-left: -10px;
  animation: taBlink 0.8s steps(1) infinite;
}
@keyframes taBlink {
  50% {
    opacity: 0;
  }
}
/* images: placed, then scaled and moved like any layer */
.ta-img {
  position: relative;
  width: 150px;
  height: 94px;
  animation: taImg 5s var(--ease-io) infinite;
}
.ta-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 4px;
  display: block;
  box-shadow: 0 8px 20px var(--shade);
}
@keyframes taImg {
  0%,
  8% {
    transform: translate(0, 0) scale(0.7) rotate(0);
    opacity: 0;
  }
  16% {
    opacity: 1;
    transform: translate(0, 0) scale(0.7);
  }
  40% {
    transform: translate(-14px, -4px) scale(1.05) rotate(-4deg);
  }
  70%,
  86% {
    transform: translate(12px, 4px) scale(0.9) rotate(3deg);
    opacity: 1;
  }
  100% {
    transform: translate(0, 0) scale(0.7);
    opacity: 0;
  }
}
.ta-img-sel {
  position: absolute;
  inset: -4px;
  border: 1px solid var(--accent);
}
.ta-img-sel b {
  position: absolute;
  width: 7px;
  height: 7px;
  background: var(--raised);
  border: 1px solid var(--accent);
}
.ta-img-sel b:nth-child(1) {
  left: -4px;
  top: -4px;
}
.ta-img-sel b:nth-child(2) {
  right: -4px;
  top: -4px;
}
.ta-img-sel b:nth-child(3) {
  left: -4px;
  bottom: -4px;
}
.ta-img-sel b:nth-child(4) {
  right: -4px;
  bottom: -4px;
}
/* booleans: two circles meet, join, then one cuts the other */
.ta-bool-a {
  animation: taBoolA 5s var(--ease-io) infinite;
}
.ta-bool-b {
  animation: taBoolB 5s var(--ease-io) infinite;
}
@keyframes taBoolA {
  0%,
  6% {
    transform: translateX(-24px);
  }
  24%,
  92% {
    transform: none;
  }
  100% {
    transform: translateX(-24px);
  }
}
@keyframes taBoolB {
  0%,
  6% {
    transform: translateX(24px);
  }
  24%,
  92% {
    transform: none;
  }
  100% {
    transform: translateX(24px);
  }
}
.ta-bool-o {
  animation: taBoolO 5s infinite;
}
@keyframes taBoolO {
  0%,
  30% {
    opacity: 1;
  }
  36%,
  90% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
.ta-bool-cut {
  animation: taBoolCut 5s infinite;
}
@keyframes taBoolCut {
  0%,
  56% {
    opacity: 0;
  }
  60%,
  88% {
    opacity: 1;
  }
  92%,
  100% {
    opacity: 0;
  }
}
.spec-art .ta-bool-lbl {
  place-items: end center;
  padding-bottom: 8px;
  font: 500 11px/1 var(--f-code);
  color: var(--muted);
}
.ta-bool-lbl span {
  grid-area: 1 / 1;
  opacity: 0;
  animation: taLbl1 5s infinite;
}
.ta-bool-lbl span + span {
  animation-name: taLbl2;
}
@keyframes taLbl1 {
  32%,
  54% {
    opacity: 1;
  }
  0%,
  28%,
  58%,
  100% {
    opacity: 0;
  }
}
@keyframes taLbl2 {
  60%,
  88% {
    opacity: 1;
  }
  0%,
  56%,
  92%,
  100% {
    opacity: 0;
  }
}
/* a pointer, for the interaction tiles */
.ta-cur {
  position: absolute;
  width: 16px;
  height: 20px;
  left: 50%;
  top: 50%;
  background: no-repeat center / contain
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 20'%3E%3Cpath d='M1 1v15l4-4 3 7 3-1-3-7h6z' fill='%23161a25' stroke='%23fff' stroke-width='1.2' stroke-linejoin='round'/%3E%3C/svg%3E");
  animation: taCur 4s var(--ease-io) infinite;
}
.ta-cur-hand {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 20'%3E%3Cpath d='M5.5 9V3.5a1.3 1.3 0 012.6 0V8m0-1.5a1.3 1.3 0 012.6 0V8.5m0-1a1.3 1.3 0 012.6 0v4c0 3.5-2 6-5 6-2.6 0-3.8-1.2-5-3.2L1.6 11a1.3 1.3 0 012-1.5l1.9 1.8' fill='%23fff' stroke='%23161a25' stroke-width='1.2' stroke-linejoin='round'/%3E%3C/svg%3E");
}
@keyframes taCur {
  0%,
  10% {
    transform: translate(70px, 46px);
    opacity: 0;
  }
  18% {
    opacity: 1;
  }
  40%,
  75% {
    transform: translate(10px, 6px);
    opacity: 1;
  }
  92%,
  100% {
    transform: translate(70px, 46px);
    opacity: 0;
  }
}
.ta-trig {
  height: 40px;
  padding: 0 20px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--on-accent);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  animation: taTrig 4s var(--ease-out) infinite;
}
@keyframes taTrig {
  0%,
  38% {
    transform: none;
    box-shadow: 0 0 0 0 var(--accent-line);
  }
  44% {
    transform: scale(1.08);
    box-shadow: 0 0 0 10px transparent;
  }
  50%,
  76% {
    transform: scale(1.06);
    box-shadow: 0 0 0 0 transparent;
  }
  84%,
  100% {
    transform: none;
  }
}
.ta-link {
  font: 400 30px/1 var(--f-mark);
  color: var(--accent-fg);
  background: linear-gradient(currentColor, currentColor) 0 100% / 0 1.5px no-repeat;
  padding-bottom: 6px;
  animation: taLink 4s var(--ease-out) infinite;
}
@keyframes taLink {
  0%,
  36% {
    background-size: 0 1.5px;
  }
  52%,
  84% {
    background-size: 100% 1.5px;
  }
  96%,
  100% {
    background-size: 0 1.5px;
  }
}
/* player API: a line runs, the bar follows it */
.ta-api {
  grid-template-rows: auto auto;
  gap: 14px;
  align-content: center;
}
.ta-code {
  font: 400 13px/1.7 var(--f-code);
  color: #a9b0c0;
  display: grid;
}
.ta-code i {
  font-style: normal;
  color: #a3b2ff;
}
.ta-code b {
  font-weight: 400;
  color: #f2b63d;
}
.ta-code > span {
  padding: 0 6px;
  border-radius: 4px;
  animation: taLine 6s steps(1) infinite;
}
.ta-code .l2 {
  animation-name: taLine2;
}
.ta-code .l3 {
  animation-name: taLine3;
}
@keyframes taLine {
  0%,
  33% {
    background: rgba(113, 137, 255, 0.18);
  }
  34%,
  100% {
    background: none;
  }
}
@keyframes taLine2 {
  0%,
  33% {
    background: none;
  }
  34%,
  66% {
    background: rgba(113, 137, 255, 0.18);
  }
  67%,
  100% {
    background: none;
  }
}
@keyframes taLine3 {
  0%,
  66% {
    background: none;
  }
  67%,
  100% {
    background: rgba(113, 137, 255, 0.18);
  }
}
.ta-bar {
  position: relative;
  width: 160px;
  height: 4px;
  border-radius: 2px;
  background: #262a35;
}
.ta-bar u {
  position: absolute;
  inset: 0 auto 0 0;
  border-radius: 2px;
  background: #7189ff;
  animation: taBar 6s linear infinite;
}
.ta-bar em {
  position: absolute;
  top: -4px;
  width: 2px;
  height: 12px;
  background: #ff6b6f;
  animation: taHead 6s linear infinite;
}
@keyframes taBar {
  0% {
    width: 0;
  }
  10%,
  33% {
    width: 40%;
  }
  66% {
    width: 0;
  }
  67% {
    width: 0;
  }
  100% {
    width: 100%;
  }
}
@keyframes taHead {
  0% {
    left: 0;
  }
  10%,
  33% {
    left: 40%;
  }
  66%,
  67% {
    left: 0;
  }
  100% {
    left: 100%;
  }
}
/* select same: click one, its twin is picked too */
.ta-ss1,
.ta-ss2 {
  opacity: 0;
  animation: taSel1 4s infinite;
}
.ta-ss2 {
  animation-name: taSel2;
}
@keyframes taSel1 {
  0%,
  28% {
    opacity: 0;
  }
  32%,
  84% {
    opacity: 1;
  }
  90%,
  100% {
    opacity: 0;
  }
}
@keyframes taSel2 {
  0%,
  44% {
    opacity: 0;
  }
  48%,
  84% {
    opacity: 1;
  }
  90%,
  100% {
    opacity: 0;
  }
}
.ta-ss-cur {
  animation: taSsCur 4s var(--ease-io) infinite;
}
@keyframes taSsCur {
  0% {
    transform: translate(110px, 120px);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  26%,
  80% {
    transform: translate(60px, 80px);
    opacity: 1;
  }
  95%,
  100% {
    transform: translate(110px, 120px);
    opacity: 0;
  }
}
/* numbers: nudged up with the arrow key, ten at a time with Shift */
.spec-art .ta-num {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
}
.ta-num-win {
  display: inline-block;
  height: 1.3em;
  overflow: hidden;
  vertical-align: bottom;
  color: var(--fg) !important;
}
.ta-num-roll {
  display: block;
  line-height: 1.3em;
  color: var(--fg);
  animation: taRoll 5s steps(1) infinite;
}
@keyframes taRoll {
  0%,
  20% {
    transform: translateY(0);
  }
  21%,
  40% {
    transform: translateY(-1.3em);
  }
  41%,
  60% {
    transform: translateY(-2.6em);
  }
  61%,
  88% {
    transform: translateY(-3.9em);
  }
  89%,
  100% {
    transform: translateY(-5.2em);
  }
}
.ta-k-up,
.ta-k-sh {
  animation: taKey 5s infinite;
}
@keyframes taKey {
  0%,
  17%,
  23%,
  37%,
  43%,
  57%,
  63%,
  100% {
    transform: none;
    border-color: var(--line-2);
  }
  20%,
  40%,
  60% {
    transform: translateY(2px);
    border-color: var(--accent);
    border-bottom-width: 1px;
  }
}
.ta-k-sh {
  animation-name: taKeySh;
}
@keyframes taKeySh {
  0%,
  15%,
  65%,
  100% {
    transform: none;
    border-color: var(--line-2);
  }
  18%,
  62% {
    transform: translateY(2px);
    border-color: var(--accent);
    border-bottom-width: 1px;
  }
}
/* keys: pressed in turn */
.spec-art .ta-keys {
  display: flex;
  gap: 8px;
  justify-content: center;
  align-items: center;
}
.ta-keys kbd {
  font-size: 13px;
  padding: 7px 9px;
  animation: taPress 3.5s infinite;
}
.ta-keys kbd:nth-child(2) {
  animation-delay: 0.4s;
}
.ta-keys kbd:nth-child(3) {
  animation-delay: 0.8s;
}
.ta-keys kbd:nth-child(4) {
  animation-delay: 1.2s;
}
.ta-keys kbd:nth-child(5) {
  animation-delay: 1.6s;
}
.ta-keys kbd:nth-child(6) {
  animation-delay: 2s;
}
.ta-keys kbd:nth-child(7) {
  animation-delay: 2.4s;
}
@keyframes taPress {
  0%,
  12%,
  100% {
    transform: none;
    border-color: var(--line-2);
    color: var(--fg);
  }
  4%,
  8% {
    transform: translateY(2px);
    border-color: var(--accent);
    border-bottom-width: 1px;
    color: var(--accent-fg);
  }
}
/* help: hover the ⓘ, the explanation shows */
.ta-help {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
}
.ta-help .vh-tip {
  animation: taTip2 4s var(--ease-out) infinite;
}
@keyframes taTip2 {
  0%,
  30% {
    opacity: 0;
    transform: translateY(6px);
  }
  38%,
  82% {
    opacity: 1;
    transform: none;
  }
  90%,
  100% {
    opacity: 0;
  }
}
.ta-i {
  display: inline-block;
  border-radius: 50%;
  animation: taI 4s infinite;
}
@keyframes taI {
  0%,
  26%,
  86%,
  100% {
    background: transparent;
  }
  30%,
  82% {
    background: var(--accent-soft);
  }
}
/* spell check: the slip is underlined, then fixed */
.ta-spell {
  position: relative;
  display: grid;
  font: 400 30px/1 var(--f-mark);
  padding-bottom: 8px;
}
.ta-spell > span {
  grid-area: 1 / 1;
}
.ta-sp-bad {
  animation: taBad 5s steps(1) infinite;
}
.ta-sp-ok {
  opacity: 0;
  animation: taOk 5s steps(1) infinite;
}
@keyframes taBad {
  0%,
  64% {
    opacity: 1;
  }
  65%,
  100% {
    opacity: 0;
  }
}
@keyframes taOk {
  0%,
  64% {
    opacity: 0;
  }
  65%,
  100% {
    opacity: 1;
  }
}
.ta-spell u {
  position: absolute;
  left: 52%;
  right: 0;
  bottom: 0;
  height: 6px;
  background: radial-gradient(
      circle at 3px 0,
      transparent 2.2px,
      var(--head) 2.4px,
      var(--head) 3.4px,
      transparent 3.6px
    )
    0 0 / 6px 6px repeat-x;
  transform-origin: 0 50%;
  animation: taWavy 5s var(--ease-out) infinite;
}
@keyframes taWavy {
  0%,
  10% {
    transform: scaleX(0);
  }
  24%,
  62% {
    transform: none;
    opacity: 1;
  }
  66%,
  100% {
    transform: none;
    opacity: 0;
  }
}
/* projects: the first frame becomes the file's thumbnail */
.ta-thumb {
  position: relative;
  width: 52px;
  height: 33px;
  border-radius: 3px;
  background: var(--panel-2);
  overflow: hidden;
}
.ta-thumb img {
  display: block;
  animation: taThumb 4s var(--ease-out) infinite;
}
@keyframes taThumb {
  0%,
  20% {
    opacity: 0;
    transform: scale(1.3);
  }
  34%,
  86% {
    opacity: 1;
    transform: none;
  }
  96%,
  100% {
    opacity: 0;
  }
}
.ta-saved {
  font-style: normal;
  color: var(--ok, #3ecf8e);
  font-weight: 700;
  animation: taSaved 4s infinite;
}
@keyframes taSaved {
  0%,
  40% {
    opacity: 0;
    transform: scale(0.4);
  }
  46%,
  86% {
    opacity: 1;
    transform: none;
  }
  96%,
  100% {
    opacity: 0;
  }
}
.ta-file {
  padding: 8px 12px;
  gap: 10px;
}
.ta-file > span:nth-child(2) {
  font-size: 12px;
}
/* import: an SVG file dropped in comes in as layers, its animation as keyframes */
.ta-imp-file {
  animation: taImpFile 5s var(--ease-out) infinite;
}
@keyframes taImpFile {
  0% {
    transform: translateY(-40px);
    opacity: 0;
  }
  10%,
  86% {
    transform: none;
    opacity: 1;
  }
  96%,
  100% {
    opacity: 0;
  }
}
.ta-imp-arrow {
  animation: taImpArrow 5s infinite;
}
@keyframes taImpArrow {
  0%,
  14% {
    opacity: 0;
    transform: translateX(-6px);
  }
  20%,
  86% {
    opacity: 1;
    transform: none;
  }
  96%,
  100% {
    opacity: 0;
  }
}
.ta-imp-rows > g {
  animation: taImpRow 5s var(--ease-out) infinite both;
}
.ta-imp-rows > .r2 {
  animation-delay: 0.2s;
}
.ta-imp-rows > .r3 {
  animation-delay: 0.4s;
}
@keyframes taImpRow {
  0%,
  20% {
    opacity: 0;
    transform: translateX(-10px);
  }
  28%,
  86% {
    opacity: 1;
    transform: none;
  }
  96%,
  100% {
    opacity: 0;
  }
}
.ta-imp-rows .k {
  animation: taImpKey 5s infinite both;
}
@keyframes taImpKey {
  0%,
  38% {
    opacity: 0;
  }
  44%,
  86% {
    opacity: 1;
  }
  96%,
  100% {
    opacity: 0;
  }
}
.ta-imp-head {
  animation: taImpHead 5s linear infinite;
}
@keyframes taImpHead {
  0%,
  46% {
    transform: translateX(150px);
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  86% {
    transform: translateX(222px);
    opacity: 1;
  }
  90%,
  100% {
    transform: translateX(222px);
    opacity: 0;
  }
}
.imp-hero {
  margin: 40px 0 0;
}
.imp-hero figcaption {
  text-align: left;
  margin-top: 14px;
  font-size: 14px;
  max-width: 70ch;
}

/* ========== Help & tutorials (help/, help/<topic>/: site/help.mjs) ========== */
.hsearch {
  margin-top: 36px;
  display: flex;
  align-items: center;
  gap: 12px;
  height: 56px;
  padding: 0 18px;
  border-radius: 14px;
  background: var(--panel);
  border: 1px solid var(--line-2);
  box-shadow: 0 10px 30px -14px var(--shade);
  color: var(--muted);
  max-width: 720px;
}
.hsearch input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: none;
  font: inherit;
  font-size: 16px;
  color: var(--fg);
  outline: none;
}
.hsearch:focus-within {
  border-color: var(--accent-line);
}
.hsec {
  padding-block: 56px 16px;
}
.hsec + .hsec {
  padding-bottom: 88px;
}
.hcards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: 16px;
}
.hcard {
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.hcard-vis {
  display: block;
  height: 168px;
  border-radius: 10px;
  overflow: hidden;
  background: var(--mat);
}
.hcard-vis img {
  /* what the tutorial makes: its finished practice scene, the exported SVG playing */
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hcard-k {
  margin: 0;
  display: flex;
  gap: 8px;
  align-items: center;
}
.hcard h3 {
  margin: 0;
  font-size: 20px;
}
.hcard h3 a {
  color: inherit;
  text-decoration: none;
}
.hcard h3 a:hover {
  color: var(--accent-fg);
}
.hcard > p:not(.hcard-k) {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
  flex: 1;
}
.hcard .btn {
  align-self: flex-start;
}
.htag {
  font: 500 11px/1 var(--f-ui);
  color: var(--accent-fg);
  border: 1px solid var(--accent-line);
  background: var(--accent-soft);
  border-radius: 99px;
  padding: 4px 8px;
  white-space: nowrap;
}
.hmin,
.hmeta {
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
}
.hgroups {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr));
  gap: 16px;
}
.hgroup {
  padding: 22px 22px 14px;
}
.hgroup h3 {
  margin: 0;
  font-size: 19px;
}
.hgroup > p {
  margin: 4px 0 12px;
  color: var(--muted);
  font-size: 14px;
}
.hrow {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 0;
  border-top: 1px solid var(--line);
  color: var(--fg);
  font-size: 15px;
  text-decoration: none;
}
.hrow span:first-child {
  flex: 1;
}
.hrow:hover {
  color: var(--accent-fg);
}
.hrow[hidden],
.hgroup[hidden] {
  display: none;
}
.hnone,
.hsoon {
  color: var(--muted);
  font-size: 15px;
  margin: 24px 0 0;
}
.hband-in {
  display: flex;
  flex-wrap: wrap;
  gap: 24px 48px;
  align-items: center;
  padding-block: 56px;
}
.hband-in > div {
  flex: 1;
  min-width: 280px;
}
.hband h2 {
  font-size: 40px;
  margin-bottom: 8px;
}
.hband p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
  max-width: 560px;
}
.hband .cap {
  width: 480px;
  max-width: 100%;
}

/* a topic */
.hcrumb {
  border-bottom: 1px solid var(--line);
}
.hcrumb .crumb {
  margin: 0;
  padding-block: 18px;
}
.htopic {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) 200px;
  gap: 48px;
  padding-block: 40px 96px;
}
@media (max-width: 1100px) {
  .htopic {
    grid-template-columns: minmax(0, 1fr);
  }
  .hside,
  .htoc {
    display: none;
  }
}
.hside-in {
  position: sticky;
  top: 88px;
  display: flex;
  flex-direction: column;
  gap: 1px;
  max-height: calc(100vh - 120px);
  overflow: auto;
}
.hs-all {
  color: var(--accent-fg);
  text-decoration: none;
  padding: 5px 10px;
  margin-bottom: 10px;
  font-size: 14px;
}
.hs-g summary {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 10px;
  border-radius: 7px;
  cursor: pointer;
  font: 600 11px/1 var(--f-code);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  list-style: none;
}
.hs-g summary::-webkit-details-marker {
  display: none;
}
.hs-g summary::before {
  content: '';
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(-45deg);
  margin-right: 2px;
}
.hs-g[open] summary {
  color: var(--fg);
}
.hs-g[open] summary::before {
  transform: rotate(45deg) translate(-1px, -1px);
}
.hs-g summary em {
  margin-left: auto;
  font: 500 11px/1 var(--f-ui);
  color: var(--faint);
  font-style: normal;
  letter-spacing: 0;
}
.hs-g[open] summary em {
  display: none;
}
.hs-g summary:hover {
  background: var(--panel);
}
.hs-g a {
  display: block;
  padding: 5px 10px;
  border-radius: 7px;
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}
.hs-g a:hover {
  color: var(--fg);
}
.hs-g a[aria-current='page'] {
  background: var(--panel);
  color: var(--fg);
  font-weight: 600;
  box-shadow: inset 2px 0 0 var(--accent);
}
.htt {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.55;
  margin-left: 7px;
  vertical-align: 2px;
}
.hart h1 {
  font: 400 clamp(44px, 6vw, 64px) / 0.98 var(--f-mark);
  letter-spacing: -0.015em;
  margin: 0 0 18px;
}
.hlead {
  font-size: 18px;
  line-height: 1.6;
  color: var(--muted);
  margin: 0 0 22px;
  max-width: 640px;
}
.hgoal {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 22px;
  align-items: center;
  padding: 14px;
  margin: 0 0 22px;
}
.hgoal img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 9px;
}
.hgoal .tc {
  margin-bottom: 10px;
}
.hgoal p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}
@media (max-width: 640px) {
  .hgoal {
    grid-template-columns: minmax(0, 1fr);
  }
}
.htour {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  align-items: center;
  margin-bottom: 40px;
}
.hmeta {
  font-size: 13.5px;
  white-space: normal;
}
.hh2 {
  font: 600 24px/1.2 var(--f-ui);
  letter-spacing: 0;
  margin: 0 0 20px;
}
.hsteps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: s;
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.hsteps li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
}
.hsteps li::before {
  counter-increment: s;
  content: counter(s);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--panel);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  font: 400 20px/1 var(--f-mark);
  color: var(--accent);
}
.hsteps h3 {
  margin: 6px 0 6px;
  font-size: 18px;
}
.hsteps p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
  font-size: 15.5px;
}
.hsteps p b {
  color: var(--fg);
}
.hstep-clip {
  margin-top: 14px;
}
.hdm {
  display: inline-block;
  width: 8px;
  height: 8px;
  border: 1.6px solid var(--key);
  transform: rotate(45deg);
  margin: 0 4px 1px;
}
.hnote {
  margin-top: 36px;
  border-radius: 12px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  padding: 16px 18px;
  font-size: 15px;
  line-height: 1.6;
}
.hart #keys {
  margin-top: 40px;
  margin-bottom: 10px;
}
.hkeys {
  border-collapse: collapse;
  width: 100%;
  font-size: 14.5px;
}
.hkeys td {
  padding: 9px 0;
  border-top: 1px solid var(--line);
}
.hkeys td:first-child {
  width: 150px;
}
.hpn {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 40px;
}
.hpn a {
  padding: 18px;
  color: var(--fg);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hpn a span {
  font-size: 12px;
  color: var(--muted);
}
.hpn a:hover {
  border-color: var(--accent-line);
}
.hpn-n {
  text-align: right;
  grid-column: 2;
}
.htoc {
  position: sticky;
  top: 88px;
  align-self: start;
  font-size: 13.5px;
  display: flex;
  flex-direction: column;
}
.htoc p {
  margin: 22px 0 8px;
  font: 600 11px/1 var(--f-code);
  letter-spacing: 0.08em;
  color: var(--muted);
}
.htoc p:first-child {
  margin-top: 0;
}
.htoc a,
.htoc span {
  padding: 4px 0;
  color: var(--muted);
  text-decoration: none;
}
.htoc a:hover {
  color: var(--fg);
}

/* the guided tour's lightbox: the practice editor over the page */
.lb {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(13, 15, 20, 0.62);
  backdrop-filter: blur(3px);
  display: grid;
  place-items: center;
  padding: 44px 48px 28px;
}
.lb-f {
  width: min(100%, 1440px);
  height: 100%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.45);
  background: var(--panel);
}
.lb-x {
  position: absolute;
  right: 16px;
  top: 8px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 0;
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  font-size: 15px;
  cursor: pointer;
}
.lb-x:hover {
  background: rgba(255, 255, 255, 0.28);
}
.lb-open,
.lb-open body {
  overflow: hidden;
}

/* ---------- privacy ---------- */
.pv {
  padding-block: 24px 96px;
}
.pv-in {
  max-width: 760px;
}
.pv h2 {
  font: 600 24px/1.2 var(--f-ui);
  letter-spacing: 0;
  margin: 44px 0 10px;
}
.pv p,
.pv li {
  font-size: 16px;
  line-height: 1.65;
  color: var(--muted);
}
.pv p b {
  color: var(--fg);
}
.pv-two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 14px;
}
@media (max-width: 720px) {
  .pv-two {
    grid-template-columns: minmax(0, 1fr);
  }
}
.pv-box {
  padding: 18px 20px;
}
.pv-box h3 {
  margin: 0 0 6px;
  font-size: 16px;
}
.pv-box ul {
  margin: 0;
  padding-left: 20px;
}
.pv-box li {
  margin: 4px 0;
}
.pv-no {
  border-color: rgba(31, 157, 106, 0.35);
  background: rgba(31, 157, 106, 0.06);
}
.pv-mail {
  margin-left: 6px;
  vertical-align: middle;
}
.pv-note {
  font-size: 14px !important;
}

/* ---------- 404: the page that isn't there ---------- */
.nf {
  padding-block: 48px 72px;
  min-height: 70vh;
}
.nf .wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.nf-art {
  width: 100%;
  max-width: 600px;
  height: auto;
  overflow: visible;
}
.nf-text h1 {
  margin: 10px 0 0;
  font-size: clamp(36px, 6vw, 64px);
}
.nf-text p {
  margin: 14px auto 0;
  max-width: 460px;
  font-size: 17px;
  line-height: 1.6;
  color: var(--muted);
}
.nf-go {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 28px;
}
.nf-board {
  fill: var(--panel);
  stroke: var(--line);
}
.nf-mp {
  fill: none;
  stroke: var(--accent-line);
  stroke-width: 2;
  stroke-dasharray: 2 7;
  stroke-linecap: round;
  animation: nf-fade 0.6s 0.6s backwards;
}
.nf-d {
  fill: none;
  stroke: var(--accent);
  stroke-width: 24;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 100;
  animation: nf-draw 0.9s var(--ease-out) backwards;
}
.nf-d1 {
  animation-delay: 0.15s;
}
.nf-d2 {
  animation-delay: 0.4s;
}
.nf-four,
.nf-zero,
.nf-fall,
.nf-hop,
.nf-blink,
.nf-sh-drop,
.nf-shadow,
.nf-k {
  transform-box: fill-box;
}
.nf-four,
.nf-fall,
.nf-hop {
  transform-origin: 50% 100%;
}
.nf-blink,
.nf-sh-drop,
.nf-shadow,
.nf-k {
  transform-origin: 50% 50%;
}
.nf-four {
  animation: nf-wig-l 6s ease-in-out 2.4s infinite;
}
.nf-four2 {
  animation-name: nf-wig-r;
}
.nf-o {
  fill: none;
  stroke: var(--key);
  stroke-width: 24;
}
.nf-eyes ellipse {
  fill: var(--fg);
}
.nf-mouth {
  fill: none;
  stroke: var(--fg);
  stroke-width: 4;
  stroke-linecap: round;
}
.nf-zero {
  animation: nf-in-x 1.2s 0.7s backwards;
}
.nf-fall {
  animation: nf-in-y 1.2s 0.7s backwards;
}
.nf-hop {
  animation: nf-hop 6s 2.4s infinite;
}
.nf-eyes {
  animation: nf-look 6s ease-in-out 2.4s infinite;
}
.nf-blink {
  animation: nf-blink 4.3s 2s infinite;
}
.nf-shadow {
  fill: var(--shade);
  animation: nf-sh-hop 6s 2.4s infinite;
}
.nf-sh-drop {
  animation: nf-sh-in 1.2s 0.7s backwards;
}
.nf-track {
  stroke: var(--line-2);
  stroke-width: 2;
}
.nf-k {
  fill: var(--key);
  animation: nf-pop 0.45s var(--ease-out) backwards;
}
.nf-k1 {
  animation-delay: 1.5s;
}
.nf-k2 {
  animation-delay: 1.62s;
}
.nf-k3 {
  animation-delay: 1.74s;
}
.nf-k4 {
  animation-delay: 1.86s;
}
.nf-miss {
  fill: none;
  stroke: var(--key);
  stroke-width: 2;
  stroke-dasharray: 4 4;
  animation:
    nf-pop 0.45s var(--ease-out) 1.98s backwards,
    nf-miss 6s 2.4s infinite;
}
.nf-head {
  fill: var(--head);
  stroke: var(--head);
  stroke-width: 2;
  animation: nf-play 6s linear 2.4s infinite;
}
@keyframes nf-draw {
  from {
    stroke-dashoffset: 100;
  }
}
@keyframes nf-fade {
  from {
    opacity: 0;
  }
}
@keyframes nf-pop {
  from {
    transform: scale(0);
  }
}
@keyframes nf-in-x {
  0% {
    transform: translateX(250px) rotate(30deg);
    animation-timing-function: cubic-bezier(0.2, 0.7, 0.4, 1);
  }
  45%,
  100% {
    transform: none;
  }
}
@keyframes nf-in-y {
  0% {
    transform: translateY(-190px) scale(0.9, 1.1);
    animation-timing-function: cubic-bezier(0.55, 0, 0.9, 0.6);
  }
  45% {
    transform: scale(1.2, 0.78);
    animation-timing-function: cubic-bezier(0.2, 0.6, 0.4, 1);
  }
  60% {
    transform: translateY(-38px) scale(0.94, 1.06);
    animation-timing-function: cubic-bezier(0.55, 0, 0.9, 0.6);
  }
  74% {
    transform: scale(1.08, 0.92);
  }
  86% {
    transform: translateY(-8px);
  }
  100% {
    transform: none;
  }
}
@keyframes nf-sh-in {
  0% {
    transform: scale(0.2);
    opacity: 0;
  }
  45% {
    transform: scale(1.2);
    opacity: 1;
  }
  60% {
    transform: scale(0.8);
  }
  74% {
    transform: scale(1.05);
  }
  100% {
    transform: none;
  }
}
@keyframes nf-hop {
  0%,
  70%,
  100% {
    transform: none;
  }
  74% {
    transform: scale(1.12, 0.86);
    animation-timing-function: cubic-bezier(0.2, 0.6, 0.4, 1);
  }
  81% {
    transform: translateY(-50px) scale(0.92, 1.08);
    animation-timing-function: cubic-bezier(0.55, 0, 0.9, 0.6);
  }
  87% {
    transform: scale(1.1, 0.9);
  }
  92% {
    transform: none;
  }
}
@keyframes nf-sh-hop {
  0%,
  70%,
  92%,
  100% {
    transform: none;
  }
  81% {
    transform: scale(0.6);
    opacity: 0.6;
  }
}
@keyframes nf-look {
  0%,
  18%,
  62%,
  100% {
    transform: none;
  }
  24%,
  38% {
    transform: translate(-10px, 2px);
  }
  44%,
  56% {
    transform: translate(10px, 2px);
  }
  76%,
  86% {
    transform: translateY(-6px);
  }
}
@keyframes nf-blink {
  0%,
  92%,
  100% {
    transform: none;
  }
  95% {
    transform: scaleY(0.1);
  }
}
@keyframes nf-wig-l {
  0%,
  26%,
  40%,
  100% {
    transform: none;
  }
  30% {
    transform: rotate(-5deg);
  }
  35% {
    transform: rotate(3deg);
  }
}
@keyframes nf-wig-r {
  0%,
  46%,
  60%,
  100% {
    transform: none;
  }
  50% {
    transform: rotate(5deg);
  }
  55% {
    transform: rotate(-3deg);
  }
}
@keyframes nf-miss {
  0%,
  44%,
  58%,
  100% {
    transform: none;
    stroke: var(--key);
  }
  50% {
    transform: scale(1.35);
    stroke: var(--head);
  }
}
@keyframes nf-play {
  from {
    transform: none;
  }
  to {
    transform: translateX(510px);
  }
}