/* GetVect — site styles.
   Dark plate, hot-pink accent, one loud element (the zoom demo) and quiet
   everything else. Mono is the "instrument" voice: labels, readouts, code. */

:root {
  --bg: #12141a;
  --plate: #0b0c10;
  --panel: #171a22;
  --panel-hi: #1d212b;
  --line: #252935;
  --line-soft: #1e222c;
  --text: #eceef4;
  --muted: #9ba3b4;
  --accent: #ff2d95;
  --accent-hi: #ff62b0;
  --accent-wash: rgba(255, 45, 149, 0.1);
  --warn: #ffb347;

  --sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;

  --wrap: 1080px;
  --radius: 10px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; }

a {
  color: var(--accent-hi);
  text-decoration-color: rgba(255, 98, 176, 0.4);
  text-underline-offset: 3px;
}
a:hover { text-decoration-color: currentColor; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

code, kbd, pre { font-family: var(--mono); }

code {
  font-size: 0.875em;
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  padding: 0.1em 0.36em;
}

pre {
  background: var(--plate);
  border: 1px solid var(--line);
  border-left: 2px solid var(--accent);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  overflow-x: auto;
  font-size: 0.875rem;
  line-height: 1.7;
  color: #d6dae6;
}
pre code {
  background: none;
  border: 0;
  padding: 0;
  font-size: inherit;
}
pre .c { color: #6f7889; }

.wrap {
  width: min(100% - 2.5rem, var(--wrap));
  margin-inline: auto;
}

/* ---- skip link ---------------------------------------------------------- */

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #12141a;
  padding: 0.6rem 1rem;
  z-index: 50;
  font-weight: 650;
}
.skip:focus { left: 0.5rem; top: 0.5rem; }

/* ---- top bar ------------------------------------------------------------ */

.bar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(18, 20, 26, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
.bar-in {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 56px;
}
.bar-mark { display: flex; align-items: center; gap: 0.55rem; line-height: 0; }
.bar-mark img { flex: none; }
.bar-mark img.mascot { width: 30px; height: auto; }
.bar-mark img.word { height: 17px; width: auto; }
.bar nav {
  margin-left: auto;
  display: flex;
  gap: 1.35rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
.bar nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.15rem 0;
  border-bottom: 1px solid transparent;
}
.bar nav a:hover, .bar nav a[aria-current="page"] {
  color: var(--text);
  border-bottom-color: var(--accent);
}

/* ---- section furniture -------------------------------------------------- */

section { padding-block: clamp(3.5rem, 7vw, 6rem); }
section + section { border-top: 1px solid var(--line-soft); }

/* The eyebrow's square is a Bézier anchor point — the thing this app is made of. */
.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1rem;
}
.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  background: var(--accent);
  flex: none;
}

h1, h2, h3 {
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.12;
  margin: 0 0 0.75rem;
}
h2 { font-size: clamp(1.6rem, 1.1rem + 1.9vw, 2.3rem); }
h3 {
  font-size: 1.06rem;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.lede {
  color: var(--muted);
  max-width: 62ch;
  font-size: 1.09rem;
}
p { margin: 0 0 1rem; }
section > .wrap > p { max-width: 74ch; }
section > .wrap > p:last-child { margin-bottom: 0; }

/* ---- hero --------------------------------------------------------------- */

.hero {
  padding-block: clamp(3rem, 8vw, 6rem) clamp(2.5rem, 5vw, 4rem);
  position: relative;
  overflow: hidden;
}
.hero::after {
  /* one soft pink bloom behind the mascot, nothing else */
  content: "";
  position: absolute;
  top: -18%;
  right: -8%;
  width: 46rem;
  height: 46rem;
  background: radial-gradient(circle, rgba(255, 45, 149, 0.13), transparent 62%);
  pointer-events: none;
  z-index: 0;
}
.hero .wrap { position: relative; z-index: 1; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
}
.hero img.word { width: min(360px, 78%); height: auto; }
.hero h1 {
  font-size: clamp(2rem, 1.2rem + 3.2vw, 3.1rem);
  margin: 1.5rem 0 0.9rem;
  max-width: 16ch;
}
.hero .lede { font-size: 1.13rem; }
.hero img.mascot {
  /* Wider than tall, so it needs more width than a square mark to carry
     the same visual weight beside the wordmark. */
  width: clamp(180px, 24vw, 300px);
  height: auto;
  filter: drop-shadow(0 18px 40px rgba(0, 0, 0, 0.55));
}

.wedge {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0;
  margin: 1.5rem 0 0;
}
.wedge li {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--text);
  background: var(--accent-wash);
  border: 1px solid rgba(255, 45, 149, 0.28);
  border-radius: 999px;
  padding: 0.28rem 0.72rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.9rem;
  align-items: center;
}
.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.7rem 1.25rem;
  border-radius: 6px;
  border: 1px solid var(--line);
  color: var(--text);
  background: var(--panel);
  transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.btn:hover { border-color: var(--accent); color: #fff; }
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #12141a;
  font-weight: 650;
}
.btn-primary:hover { background: var(--accent-hi); border-color: var(--accent-hi); color: #12141a; }
.meta {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

/* ---- the compare demo (the signature) ----------------------------------- */

.demo { margin-top: 2rem; }

.demo-stage {
  --pos: 50;
  --z: 1;
  position: relative;
  /* not aspect-ratio: with a max-height that shrinks the width instead */
  height: clamp(320px, 44vw, 560px);
  background: #000;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  isolation: isolate;
}
.demo-layer {
  position: absolute;
  inset: 0;
}
.demo-layer img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transform: scale(var(--z));
  /* Zoom about the face — the eyes, the nose and the mouth arcs, the crop where
     a traced line either holds together or doesn't, and the same framing the
     README's before/after composite uses.

     Frankie is a loaf facing left, so his face is around 32% across the artwork
     rather than centred like the fox's was. The image is letterboxed by
     `object-fit: contain` and this origin is relative to the ELEMENT box, so the
     x mapping drifts a little with the viewport (~35% narrow, ~40% wide); 38%
     lands on the face at every width we render at. Vertically the image is
     full-bleed, so 44% is exact. */
  transform-origin: 38% 44%;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.demo-raster img { image-rendering: pixelated; }
.demo-vector { clip-path: inset(0 0 0 calc(var(--pos) * 1%)); }

.demo-divider {
  position: absolute;
  top: 0;
  bottom: 0;
  left: calc(var(--pos) * 1%);
  width: 2px;
  background: var(--accent);
  transform: translateX(-1px);
  pointer-events: none;
}
.demo-divider::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 34px;
  height: 34px;
  margin: -17px 0 0 -17px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.6);
}
.demo-range:focus-visible ~ .demo-divider::after {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

.demo-range {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: ew-resize;
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  z-index: 3;
}
.demo-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 34px;
  height: 200px;
}
.demo-range::-moz-range-thumb {
  width: 34px;
  height: 200px;
  border: 0;
}

.demo-tag {
  position: absolute;
  top: 0.75rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--text);
  background: rgba(11, 12, 16, 0.82);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.2rem 0.5rem;
  z-index: 2;
  pointer-events: none;
}
.demo-tag-l { left: 0.75rem; }
.demo-tag-r { right: 0.75rem; }

.demo-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.9rem;
}
.zoom {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}
.zoom button {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--muted);
  background: var(--panel);
  border: 0;
  border-right: 1px solid var(--line);
  padding: 0.45rem 0.85rem;
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease;
}
.zoom button:last-child { border-right: 0; }
.zoom button:hover { color: var(--text); }
.zoom button[aria-pressed="true"] {
  background: var(--accent);
  color: #12141a;
  font-weight: 650;
}
.demo-hint {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.readout {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0 2rem;
  padding: 0;
  margin: 1.5rem 0 0;
  border-top: 1px solid var(--line-soft);
  padding-top: 1.25rem;
}
.readout li { min-width: 8rem; }
.readout b {
  display: block;
  font-family: var(--mono);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
}
.readout span {
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  color: var(--muted);
}

/* ---- cards -------------------------------------------------------------- */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 1rem;
  margin-top: 2rem;
}
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem 1.4rem;
  transition: border-color 0.18s ease, background 0.18s ease;
}
.card:hover { border-color: #3a4152; background: var(--panel-hi); }
.card .tag {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 0.6rem;
}
.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}
.card p + p { margin-top: 0.6rem; }

/* ---- figures ------------------------------------------------------------ */

figure {
  margin: 2rem 0 0;
}
figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--plate);
}
figcaption {
  font-family: var(--mono);
  font-size: 0.73rem;
  line-height: 1.6;
  color: var(--muted);
  margin-top: 0.7rem;
  letter-spacing: 0.02em;
}

/* ---- callout ------------------------------------------------------------ */

.callout {
  border: 1px solid var(--line);
  border-left: 3px solid var(--warn);
  background: var(--panel);
  border-radius: var(--radius);
  padding: 1.2rem 1.35rem;
  margin: 1.75rem 0 0;
}
.callout .tag {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--warn);
  display: block;
  margin-bottom: 0.5rem;
}
.callout p:last-child { margin-bottom: 0; }
.callout--flat { border-left-color: var(--accent); }
.callout--flat .tag { color: var(--accent); }

/* ---- tables ------------------------------------------------------------- */

.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-top: 1.5rem;
}
table {
  border-collapse: collapse;
  width: 100%;
  min-width: 34rem;
  font-size: 0.93rem;
}
th, td {
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
}
thead th {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--plate);
  font-weight: 500;
}
tbody tr:last-child td { border-bottom: 0; }
td:first-child { color: var(--text); }
td { color: var(--muted); }
td code { white-space: nowrap; }

/* ---- docs page ---------------------------------------------------------- */

.doc-head { padding-block: clamp(2.5rem, 6vw, 4rem) 2rem; }
.doc-body { display: block; }
.doc-body section:first-of-type { border-top: 1px solid var(--line-soft); }
.doc-body section { padding-block: clamp(2.5rem, 5vw, 3.75rem); }
.doc-body ul { color: var(--muted); padding-left: 1.15rem; max-width: 74ch; }
.doc-body li { margin-bottom: 0.4rem; }
.doc-body li strong { color: var(--text); font-weight: 600; }
.doc-body h3 { margin-top: 2rem; }
.doc-body h3 + p, .doc-body h3 + ul, .doc-body h3 + pre { margin-top: 0.5rem; }
.doc-body p { max-width: 74ch; }

.toc {
  list-style: none;
  padding: 0;
  margin: 1.75rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.toc a {
  display: block;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.3rem 0.8rem;
  background: var(--panel);
}
.toc a:hover { color: var(--text); border-color: var(--accent); }

/* ---- footer ------------------------------------------------------------- */

footer {
  border-top: 1px solid var(--line-soft);
  padding-block: 2.5rem 3.5rem;
  font-size: 0.9rem;
  color: var(--muted);
}
.foot-in {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  align-items: center;
}
.foot-in img { width: 30px; height: 30px; }
.foot-links {
  margin-left: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
}

@media (max-width: 720px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero img.mascot { width: 160px; }
  .hero-art { order: -1; }
  .demo-stage { height: min(86vw, 420px); }
  .bar nav { gap: 1rem; }
  .foot-links { margin-left: 0; }
}

@media (max-width: 560px) {
  /* the in-page section links are reachable by scrolling; the bar keeps the
     two destinations that are not */
  .bar nav a.opt { display: none; }
}