/* ============================================================================
   Bionic Docs — identity
   The bundled Geist faces, the mark, the hero's reader window and the small
   illustrations in the feature tiles.
   ========================================================================== */

@font-face {
  font-family: "Geist";
  src: url("fonts/geist-latin.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2190-2199, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Geist";
  src: url("fonts/geist-latin-ext.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Geist Mono";
  src: url("fonts/geist-mono-latin.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2190-2199, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Geist Mono";
  src: url("fonts/geist-mono-latin-ext.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* ------------------------------------------------------------------ brand */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 1.02rem;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.brand:hover { color: var(--ink); }
.brand__mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: #0e6e63;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.2) inset, 0 2px 6px rgba(14, 110, 99, 0.3);
}
.brand__mark svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: #ffffff;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.brand__name { font-weight: 400; color: var(--mute); }
.brand__name b { color: var(--ink); font-weight: 700; }

/* ------------------------------------------------------ hero: the glow */
.hero__glow {
  position: absolute;
  inset: -20% -10% auto auto;
  width: 900px;
  height: 700px;
  background:
    radial-gradient(closest-side, var(--accent-soft), transparent 70%),
    radial-gradient(closest-side at 30% 70%, rgba(20, 184, 166, 0.06), transparent 70%);
  pointer-events: none;
}

/* The headline inks itself in once the script has emphasized it: each word's
   opening moves from the tail weight to the head weight, left to right. */
.hero__title.is-written b.bp-head {
  animation: bd-ink 700ms var(--ease) both;
}
@keyframes bd-ink {
  from { color: var(--faint); font-weight: var(--tail-weight); }
  to { color: var(--ink); font-weight: 720; }
}

/* ------------------------------------------------------ hero: the window */
.hero__art {
  position: relative;
  padding: 10px 26px 30px 10px;
}

.window {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-l);
  background: var(--card);
  box-shadow: var(--shadow-3);
}
.window__bar {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 44px;
  padding: 0 14px;
  border-bottom: 1px solid var(--line);
  background: var(--card);
}
.window__dots { display: inline-flex; gap: 6px; }
.window__dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--line-2);
}
.window__file {
  color: var(--mute);
  font-family: var(--mono);
  font-size: 0.76rem;
}
.window__chip {
  margin-left: auto;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 600;
}
.window__body {
  position: relative;
  padding: 28px 30px 70px;
  background:
    radial-gradient(circle at 1px 1px, var(--line) 1px, transparent 0) 0 0 / 18px 18px,
    var(--bg-2);
}

.sheet {
  max-width: 440px;
  margin: 0 auto;
  padding: 26px 30px 30px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--sheet);
  box-shadow: var(--shadow-2);
}
.sheet__head {
  display: flex;
  justify-content: space-between;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.sheet__title {
  margin-bottom: 8px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.24rem;
  line-height: 1.25;
}
.sheet__text {
  color: var(--body);
  font-family: var(--serif);
  font-size: 0.86rem;
  line-height: 1.6;
}

.figure {
  margin: 14px 0;
  padding: 12px 12px 8px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--bg);
}
.figure__chart { width: 100%; height: auto; }
.figure__grid { stroke: var(--line-2); stroke-width: 1; }
.figure__bar { fill: color-mix(in srgb, #2563eb 22%, var(--sheet)); }
.figure__bar--hi { fill: #2563eb; }
.figure__line { fill: none; stroke: #e11d48; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.figure__cap {
  margin-top: 6px;
  color: var(--mute);
  font-family: var(--serif);
  font-size: 0.72rem;
  font-style: italic;
}

.zoombar {
  position: absolute;
  bottom: 18px;
  left: 50%;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card);
  box-shadow: var(--shadow-2);
  transform: translateX(-50%);
}
.zoombar__btn {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  color: var(--ink);
  font-size: 1rem;
}
.zoombar__value {
  padding: 4px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  font-size: 0.76rem;
  font-weight: 560;
}

.float-card {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px 9px 9px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--card);
  color: var(--body);
  font-size: 0.84rem;
  box-shadow: var(--shadow-3);
  animation: bd-float 6s ease-in-out infinite;
}
.float-card b { color: var(--ink); font-weight: 650; }
.float-card__icon {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: var(--accent-soft);
  color: var(--accent);
}
.float-card--privacy { right: 0; top: 34%; }
.float-card--epub { left: -18px; bottom: 6px; animation-delay: -3s; }

@keyframes bd-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@media (max-width: 1000px) {
  .hero__art { max-width: 620px; width: 100%; margin: 0 auto; }
}
@media (max-width: 560px) {
  .hero__art { padding: 0 0 26px; }
  .window__body { padding: 18px 14px 64px; }
  .sheet { padding: 18px 18px 20px; }
  .float-card--privacy { right: -6px; top: auto; bottom: 44px; }
  .float-card--epub { display: none; }
}

/* ------------------------------------------------- tile: canvas + layer */
.art-layers {
  position: relative;
  perspective: 900px;
}
.art-layers__sheet {
  position: absolute;
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 150px;
  height: 150px;
  padding: 26px 14px 14px;
  border: 1px solid var(--line-2);
  border-radius: 6px;
  background: var(--sheet);
  box-shadow: var(--shadow-2);
}
.art-layers__sheet--canvas { transform: translate(-46px, 6px) rotate(-4deg); }
.art-layers__sheet--text {
  transform: translate(46px, -6px) rotate(3deg);
  border-color: var(--accent-line);
  background: color-mix(in srgb, var(--sheet) 82%, transparent);
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
}
.art-layers__label {
  position: absolute;
  top: 7px;
  left: 10px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.art-layers__sheet--text .art-layers__label { color: var(--accent); }
.art-layers__fig {
  height: 56px;
  border-radius: 3px;
  background:
    linear-gradient(to top, #2563eb 0 60%, transparent 60%) 10% 100% / 14% 100% no-repeat,
    linear-gradient(to top, color-mix(in srgb, #2563eb 30%, var(--sheet)) 0 85%, transparent 85%) 35% 100% / 14% 100% no-repeat,
    linear-gradient(to top, color-mix(in srgb, #2563eb 30%, var(--sheet)) 0 45%, transparent 45%) 60% 100% / 14% 100% no-repeat,
    linear-gradient(to top, #e11d48 0 70%, transparent 70%) 85% 100% / 14% 100% no-repeat,
    var(--bg-2);
}
.art-layers__line { height: 6px; border-radius: 3px; background: var(--line-2); }
.art-layers__line--short { width: 60%; }
.art-layers__word {
  color: var(--body);
  font-family: var(--serif);
  font-size: 0.92rem;
  line-height: 1.3;
}
.art-layers__word b { color: var(--ink); font-weight: 700; }

/* ------------------------------------------------------------ tile: zoom */
.art-zoom { gap: 6px; }
.art-zoom__btn {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--card);
  color: var(--ink);
}
.art-zoom__menu {
  display: grid;
  gap: 2px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card);
  box-shadow: var(--shadow-2);
  font-size: 0.78rem;
}
.art-zoom__opt { padding: 4px 12px; border-radius: 6px; color: var(--body); }
.art-zoom__opt--on { background: var(--accent-soft); color: var(--ink); font-weight: 600; }

/* ------------------------------------------------------------- tile: toc */
.art-toc {
  flex-direction: column;
  align-items: stretch;
  gap: 4px;
  padding: 16px 28px;
}
.art-toc__row {
  padding: 6px 10px;
  border-radius: 7px;
  color: var(--body);
  font-size: 0.8rem;
}
.art-toc__row--on {
  background: var(--card);
  color: var(--ink);
  font-weight: 600;
  box-shadow: var(--shadow-1), inset 2px 0 0 var(--accent);
}

/* ----------------------------------------------------------- tile: modes */
.art-modes {
  flex-wrap: wrap;
  align-content: center;
  gap: 6px;
  padding: 16px;
}
.art-modes__chip {
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card);
  color: var(--body);
  font-size: 0.74rem;
}
.art-modes__chip--on { border-color: var(--accent); background: var(--accent); color: var(--on-accent); font-weight: 600; }

/* ---------------------------------------------------------- tile: resume */
.art-resume {
  gap: 10px;
  padding: 16px;
}
.art-resume__text {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card);
  color: var(--ink);
  font-size: 0.82rem;
  box-shadow: var(--shadow-2);
}
.art-resume__btn {
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--on-accent);
  font-size: 0.78rem;
  font-weight: 600;
}

/* ------------------------------------------------------------ tile: keys */
.art-keys {
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: 22px 28px;
}
.art-keys__row { display: flex; align-items: center; gap: 8px; }
.art-keys__label { margin: 0 8px; color: var(--mute); font-size: 0.84rem; }