/* ellenwhittle.com — hand-built, no framework.
   Palette: twilight survey nights, aspen bark, the gold of a call trace. */

/* ---------- fonts (self-hosted, SIL Open Font License) ---------- */
@font-face { font-family: "Spectral"; font-style: normal; font-weight: 300; font-display: swap; src: url(/assets/fonts/spectral-latin-300-normal.woff2) format("woff2"); unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: "Spectral"; font-style: normal; font-weight: 300; font-display: swap; src: url(/assets/fonts/spectral-latin-ext-300-normal.woff2) format("woff2"); unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "Spectral"; font-style: normal; font-weight: 400; font-display: swap; src: url(/assets/fonts/spectral-latin-400-normal.woff2) format("woff2"); unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: "Spectral"; font-style: normal; font-weight: 400; font-display: swap; src: url(/assets/fonts/spectral-latin-ext-400-normal.woff2) format("woff2"); unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "Spectral"; font-style: italic; font-weight: 400; font-display: swap; src: url(/assets/fonts/spectral-latin-400-italic.woff2) format("woff2"); unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: "Spectral"; font-style: italic; font-weight: 400; font-display: swap; src: url(/assets/fonts/spectral-latin-ext-400-italic.woff2) format("woff2"); unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "Spectral"; font-style: normal; font-weight: 500; font-display: swap; src: url(/assets/fonts/spectral-latin-500-normal.woff2) format("woff2"); unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: "Spectral"; font-style: normal; font-weight: 500; font-display: swap; src: url(/assets/fonts/spectral-latin-ext-500-normal.woff2) format("woff2"); unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "Spectral"; font-style: normal; font-weight: 600; font-display: swap; src: url(/assets/fonts/spectral-latin-600-normal.woff2) format("woff2"); unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: "Spectral"; font-style: normal; font-weight: 600; font-display: swap; src: url(/assets/fonts/spectral-latin-ext-600-normal.woff2) format("woff2"); unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "Schibsted Grotesk"; font-style: normal; font-weight: 400 900; font-display: swap; src: url(/assets/fonts/schibsted-grotesk-latin-wght-normal.woff2) format("woff2-variations"), url(/assets/fonts/schibsted-grotesk-latin-wght-normal.woff2) format("woff2"); unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: "Schibsted Grotesk"; font-style: normal; font-weight: 400 900; font-display: swap; src: url(/assets/fonts/schibsted-grotesk-latin-ext-wght-normal.woff2) format("woff2-variations"), url(/assets/fonts/schibsted-grotesk-latin-ext-wght-normal.woff2) format("woff2"); unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "Schibsted Grotesk"; font-style: italic; font-weight: 400 900; font-display: swap; src: url(/assets/fonts/schibsted-grotesk-latin-wght-italic.woff2) format("woff2-variations"), url(/assets/fonts/schibsted-grotesk-latin-wght-italic.woff2) format("woff2"); unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }

/* ---------- tokens ---------- */
:root {
  --paper: #EEF1EB;        /* aspen bark */
  --paper-2: #E2E7DD;
  --raised: #FAFBF8;
  --ink: #1B2130;
  --ink-2: #474F5E;
  --ink-3: #5A6272;
  --rule: #C9D0C3;
  --rule-strong: #9EA79A;
  --link: #7A4E00;         /* ochre: the call trace, darkened for paper */
  --link-hover: #4C3000;
  --night: #1A2040;        /* thirty minutes after sunset */
  --night-2: #252C54;
  --night-ink: #ECE8DD;
  --night-ink-2: #AEB4CA;
  --gold: #E6B450;
  --focus: #7A4E00;
  --ok: #2B6A4C;
  --err: #A3322A;
  --serif: "Spectral", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --sans: "Schibsted Grotesk", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --measure: 42.5rem;
  --rail: 17.5rem;
  --wrap: 72rem;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #11152A;
    --paper-2: #1A1F3A;
    --raised: #171C35;
    --ink: #E5E7EE;
    --ink-2: #B9BFCD;
    --ink-3: #9CA3B5;
    --rule: #2B3254;
    --rule-strong: #4A5380;
    --link: #E6B450;
    --link-hover: #FFD98A;
    --night: #0A0D1E;
    --night-2: #171C3A;
    --focus: #E6B450;
    --ok: #86D0A4;
    --err: #FF9187;
    color-scheme: dark;
  }
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: 1.5rem; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1.125rem/1.68 var(--serif);
  font-kerning: normal;
  font-variant-ligatures: common-ligatures;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
@media (min-width: 48rem) { body { font-size: 1.1875rem; } }
img, svg, iframe { max-width: 100%; }
picture { display: contents; }
a { color: var(--link); }
a:hover { color: var(--link-hover); }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; border-radius: 2px; }
main:focus { outline: none; }
::selection { background: rgba(230, 180, 80, .35); }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }
em, i { font-style: italic; }
abbr { text-decoration: none; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip {
  position: absolute; left: 1rem; top: -5rem; z-index: 100;
  background: var(--gold); color: #11152A; padding: .65rem 1rem; border-radius: 4px;
  font: 650 .9375rem/1 var(--sans); text-decoration: none;
}
.skip:focus { top: 1rem; }

/* ---------- masthead + navigation ---------- */
.masthead { position: relative; background: var(--night); color: var(--night-ink); overflow: hidden; isolation: isolate; }
.masthead :focus-visible { outline-color: var(--gold); }
.bar { position: relative; z-index: 3; display: flex; align-items: center; justify-content: space-between; gap: 1rem 2rem; min-height: 4.75rem; }
.wordmark { font: 500 1.25rem/1 var(--serif); letter-spacing: .005em; color: var(--night-ink); text-decoration: none; white-space: nowrap; padding-block: .5rem; }
.wordmark:hover { color: #fff; }
.nav__list { display: flex; flex-wrap: wrap; gap: .25rem clamp(1.1rem, 2.4vw, 2.1rem); margin: 0; padding: 0; list-style: none; }
.nav__list a {
  display: inline-block; padding: .55rem 0 .45rem;
  font: 500 .96875rem/1.2 var(--sans); letter-spacing: .01em;
  color: var(--night-ink-2); text-decoration: none;
  border-bottom: 2px solid transparent;
}
.nav__list a:hover { color: var(--night-ink); }
.nav__list a[aria-current="page"], .nav__list a.is-section { color: var(--night-ink); border-bottom-color: var(--gold); }
.nav__toggle { display: none; }

@media (max-width: 47.99rem) {
  .js .nav__toggle {
    display: inline-flex; align-items: center; gap: .55rem;
    font: 600 .9375rem/1 var(--sans); color: var(--night-ink);
    background: transparent; border: 1px solid rgba(174, 180, 202, .45); border-radius: 999px;
    padding: .55rem .95rem; cursor: pointer;
  }
  .js .nav__toggle::before { content: ""; width: 1rem; height: .7rem; background: linear-gradient(currentColor 0 0) top / 100% 2px no-repeat, linear-gradient(currentColor 0 0) center / 100% 2px no-repeat, linear-gradient(currentColor 0 0) bottom / 100% 2px no-repeat; }
  .js .nav--open .nav__toggle::before { background: linear-gradient(currentColor 0 0) center / 100% 2px no-repeat; }
  .js .nav__list {
    display: none; position: absolute; z-index: 5; top: 100%; left: calc(-1 * var(--gutter)); right: calc(-1 * var(--gutter));
    flex-direction: column; gap: 0; padding: .5rem var(--gutter) 1.25rem;
    background: var(--night-2); border-top: 1px solid rgba(174, 180, 202, .18);
    box-shadow: 0 18px 30px rgba(5, 7, 18, .35);
  }
  .js .nav--open .nav__list { display: flex; }
  .js .nav__list a { display: block; padding: .85rem 0; font-size: 1.0625rem; border-bottom: 1px solid rgba(174, 180, 202, .14); }
  .js .nav__list li:last-child a { border-bottom: 0; }
  .js .nav__list a[aria-current="page"], .js .nav__list a.is-section { color: var(--gold); border-bottom-color: rgba(174, 180, 202, .14); }
  .no-js .bar, html:not(.js) .bar { flex-wrap: wrap; }
}

/* ---------- spectrogram ---------- */
.spectro { position: absolute; inset: 0; pointer-events: none; }
.spectro svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.spectro__grid line { stroke: rgba(230, 180, 80, .085); stroke-width: 1; vector-effect: non-scaling-stroke; shape-rendering: crispEdges; }
.spectro__grid line.major { stroke: rgba(230, 180, 80, .17); }
.spectro__grid line.base { stroke: rgba(236, 232, 221, .30); }
.spectro__traces { position: absolute; inset: 0; filter: drop-shadow(0 0 5px rgba(230, 180, 80, .45)); }
.spectro__traces path { fill: none; vector-effect: non-scaling-stroke; stroke-linecap: round; stroke-linejoin: round; }
.spectro__traces .glow { stroke-width: 5; opacity: .2; }
.spectro__traces .core { stroke-width: 1.7; }
.spectro__label {
  position: absolute; right: var(--gutter); top: var(--y); transform: translateY(-130%);
  font: 500 .75rem/1 var(--sans); letter-spacing: .02em; color: rgba(236, 232, 221, .5);
  font-variant-numeric: tabular-nums;
}
.spectro__playhead { display: none; }

@media (prefers-reduced-motion: no-preference) {
  .spectro--hero .spectro__traces { clip-path: inset(0 var(--reveal-from, 100%) 0 0); animation: spectro-reveal 3.6s cubic-bezier(.55, .06, .3, 1) .35s forwards; }
  .spectro--hero .spectro__playhead { display: block; position: absolute; inset: 0; transform: translateX(var(--head-from, -100%)); animation: spectro-head 3.6s cubic-bezier(.55, .06, .3, 1) .35s forwards; }
  .spectro--hero .spectro__playhead span {
    position: absolute; top: -6%; bottom: -6%; right: 0; width: 1px;
    background: linear-gradient(to bottom, transparent, rgba(255, 227, 163, .9) 18%, rgba(255, 227, 163, .9) 82%, transparent);
    animation: spectro-head-fade 3.95s linear forwards;
  }
}
@keyframes spectro-reveal { to { clip-path: inset(0 0 0 0); } }
@keyframes spectro-head { to { transform: translateX(0); } }
@keyframes spectro-head-fade { 0%, 86% { opacity: 1; } 100% { opacity: 0; } }

/* ---------- home hero ---------- */
.masthead--hero { display: flex; flex-direction: column; min-height: min(100svh, 54rem); }
.hero { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; gap: clamp(1.75rem, 5vh, 3.25rem); padding-bottom: clamp(2.75rem, 8vh, 5.5rem); }
.hero__plot { position: relative; height: clamp(11rem, 34vh, 22rem); margin-top: clamp(1rem, 5vh, 3.5rem); }
/* Sits in the empty band under 20 kHz, like a figure caption on the plot */
.hero__plot-caption {
  position: absolute; left: var(--gutter); right: var(--gutter); bottom: calc(2% + 4px); margin: 0;
  font: 500 .75rem/1.3 var(--sans); letter-spacing: .02em; color: rgba(236, 232, 221, .62);
}
/* Where a small phone wraps it up onto the 20 kHz gridline, the line stops behind the words */
.hero__plot-caption-text { background: var(--night); padding-right: .5em; -webkit-box-decoration-break: clone; box-decoration-break: clone; }
.hero__plot-caption i { font-family: var(--serif); font-size: .8125rem; letter-spacing: 0; }
/* On narrow screens show the end of the call train (approach + feeding buzz) at a natural aspect */
@media (max-width: 40rem) {
  .spectro--hero { --reveal-from: 43.5%; --head-from: -43.5%; }
  .spectro--hero .spectro__traces, .spectro--hero .spectro__playhead { left: auto; right: 0; width: 230%; }
}
.hero__name {
  margin: 0; font: 300 clamp(3.4rem, 10.4vw, 8.9rem)/.92 var(--serif);
  letter-spacing: -.028em; color: var(--night-ink);
}
.hero__role { margin: clamp(1rem, 2.4vh, 1.5rem) 0 0; font: 600 clamp(1rem, 1.4vw, 1.1875rem)/1.35 var(--sans); letter-spacing: .01em; color: var(--gold); }
.hero__sub { margin: .35rem 0 0; max-width: 46ch; font: italic 400 clamp(1.1875rem, 1.9vw, 1.5rem)/1.45 var(--serif); color: var(--night-ink-2); }

/* ---------- inner page band ---------- */
.masthead--band { padding-bottom: clamp(2.5rem, 6vw, 4.5rem); }
.band { position: relative; z-index: 1; padding-top: clamp(2.25rem, 7vw, 5.5rem); }
.band__title { margin: 0; max-width: 16ch; font: 300 clamp(2.75rem, 7vw, 5.25rem)/1 var(--serif); letter-spacing: -.022em; color: var(--night-ink); }
.band__intro { margin: 1rem 0 0; max-width: 38ch; font: italic 400 clamp(1.15rem, 1.7vw, 1.4rem)/1.45 var(--serif); color: var(--night-ink-2); }
.spectro--band { top: 4.75rem; opacity: .7; }
@media (max-width: 47.99rem) { .spectro--band .spectro__traces, .spectro--band .spectro__labels { display: none; } }
.masthead--slim .bar { min-height: 4.25rem; }

/* ---------- sections with a rail ---------- */
.sect { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1.25rem; padding-block: clamp(2.75rem, 6vw, 5rem); }
.sect + .sect { border-top: 1px solid var(--rule); }
.sect__rail > :first-child { margin-top: 0; }
.sect__rail h2, .sect__title { margin: 0; font: 400 clamp(1.625rem, 2.6vw, 1.9375rem)/1.16 var(--serif); letter-spacing: -.01em; color: var(--ink); }
.sect__rail .fig { margin: 1.5rem 0 0; }
.sect__note { margin: .75rem 0 0; font: 400 .9375rem/1.5 var(--sans); color: var(--ink-3); }
.sect__note a { color: var(--link); }
.sect__body > :first-child { margin-top: 0; }
@media (min-width: 64rem) {
  .sect { grid-template-columns: var(--rail) minmax(0, var(--measure)); column-gap: clamp(3rem, 6vw, 5.5rem); }
  .sect__rail { position: sticky; top: 2rem; align-self: start; }
}

/* ---------- prose ---------- */
.prose p, .prose ul, .prose ol, .prose dl { margin: 0 0 1.05em; }
.prose h2 { margin: 2.2em 0 .55em; font: 400 1.75rem/1.2 var(--serif); letter-spacing: -.008em; }
.prose h3 { margin: 2em 0 .5em; font: 650 1.0625rem/1.35 var(--sans); letter-spacing: .005em; }
.prose h2 + h3 { margin-top: .75em; }
.prose a { text-decoration-line: underline; text-decoration-thickness: 1px; text-underline-offset: .19em; text-decoration-color: color-mix(in srgb, var(--link) 45%, transparent); }
.prose a:hover { text-decoration-color: currentColor; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li + li { margin-top: .35em; }
.prose li::marker { color: var(--ink-3); }
.prose blockquote { margin: 1.6em 0; padding-left: 1.25rem; border-left: 2px solid var(--gold); font-style: italic; color: var(--ink-2); }
.prose blockquote cite { display: block; margin-top: .4em; font: normal 400 .9375rem/1.4 var(--sans); color: var(--ink-3); }
.prose hr { border: 0; height: 1px; background: var(--rule); margin: 2.6em 0; }
.prose strong { font-weight: 600; }
.prose::after { content: ""; display: table; clear: both; }
.lead { font-size: clamp(1.25rem, 1.8vw, 1.375rem); line-height: 1.55; }
.small-print { font: 400 .9375rem/1.55 var(--sans); color: var(--ink-3); }

/* ---------- figures ---------- */
.fig { margin: 2.25rem 0; }
.fig img { display: block; width: 100%; height: auto; border-radius: 3px; background: var(--paper-2); }
.fig figcaption, .gallery-set > figcaption { margin-top: .6rem; max-width: 62ch; font: 400 .875rem/1.45 var(--sans); color: var(--ink-3); }
.fig.narrow { max-width: 26rem; }
@media (min-width: 46rem) {
  .fig.float-left { float: left; width: 18rem; margin: .45rem 1.75rem 1rem 0; }
  .fig.float-right { float: right; width: 18rem; margin: .45rem 0 1rem 1.75rem; }
}
.pair { display: grid; gap: 1.5rem 1.25rem; margin: 2.25rem 0; }
.pair .fig { margin: 0; }
@media (min-width: 36rem) { .pair { grid-template-columns: 1fr 1fr; } }
.gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr)); gap: .75rem; margin: 2.25rem 0; }
.gallery .fig { margin: 0; }
.gallery img { aspect-ratio: 4 / 3; object-fit: cover; }
.gallery-set { margin: 2.25rem 0; }
.gallery-set > .gallery { margin: 0; }
.media-text { display: grid; gap: 1.25rem 2rem; margin: 2.25rem 0; align-items: start; }
.media-text .fig { margin: 0; }
.media-text-body > :first-child { margin-top: 0; }
.cols { display: grid; gap: .5rem 2rem; margin: 2rem 0; }
.cols > div > :first-child { margin-top: 0; }
.cols .fig { margin-top: 0; }
@media (min-width: 46rem) { .media-text, .cols { grid-template-columns: 1fr 1fr; } }
img[data-zoom] { cursor: zoom-in; }

/* ---------- video (loads only on press) ---------- */
.video { margin: 2.25rem 0; }
.video__play {
  position: relative; display: block; width: 100%; aspect-ratio: 16 / 9; padding: 0; overflow: hidden;
  border: 0; border-radius: 3px; background: var(--night); color: var(--night-ink); cursor: pointer; text-align: left;
}
.video__play img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .78; transition: opacity .2s ease; }
.video__play:hover img { opacity: .62; }
.video__play::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(10, 13, 30, .82), rgba(10, 13, 30, 0) 62%); }
.video__label { position: absolute; z-index: 1; left: clamp(1rem, 3vw, 1.5rem); right: 1rem; bottom: clamp(1rem, 3vw, 1.5rem); display: flex; align-items: center; gap: 1rem; }
.video__icon { position: relative; flex: none; width: 3.25rem; height: 3.25rem; border-radius: 50%; background: var(--gold); }
.video__icon::after { content: ""; position: absolute; left: 1.28rem; top: .98rem; border-left: 1.05rem solid #11152A; border-top: .65rem solid transparent; border-bottom: .65rem solid transparent; }
.video__text { display: flex; flex-direction: column; gap: .15rem; font: 650 .875rem/1.2 var(--sans); color: rgba(236, 232, 221, .85); }
.video__title { font: 400 clamp(1.0625rem, 2vw, 1.25rem)/1.25 var(--serif); color: var(--night-ink); }
.video__play:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }
.video iframe { display: block; width: 100%; aspect-ratio: 16 / 9; height: auto; border: 0; border-radius: 3px; background: #000; }
.video__note { margin: .55rem 0 0; font: 400 .8125rem/1.4 var(--sans); color: var(--ink-3); }

/* ---------- field notes list ---------- */
.entries { margin: 0; padding: 0; list-style: none; }
.entry { position: relative; display: grid; grid-template-columns: 6.5rem minmax(0, 1fr); gap: 1.1rem; padding-block: 1.4rem; border-top: 1px solid var(--rule); }
.entry:first-child { border-top: 0; padding-top: .25rem; }
.entry--no-thumb { grid-template-columns: minmax(0, 1fr); }
@media (min-width: 40rem) { .entry { grid-template-columns: 11.5rem minmax(0, 1fr); gap: 1.6rem; } }
.entry__thumb img { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 3px; background: var(--paper-2); }
.entry__title { margin: 0 0 .35rem; font: 400 clamp(1.25rem, 2.2vw, 1.4375rem)/1.25 var(--serif); letter-spacing: -.005em; }
.entry__title a { color: var(--ink); text-decoration: none; }
.entry__title a::after { content: ""; position: absolute; inset: 0; z-index: 1; }
.entry:hover .entry__title a { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: .16em; text-decoration-color: var(--rule-strong); }
.entry__title a:focus-visible { outline: none; }
.entry:has(.entry__title a:focus-visible) { outline: 2px solid var(--focus); outline-offset: 6px; border-radius: 2px; }
.entry__excerpt { margin: 0 0 .5rem; font-size: 1rem; line-height: 1.55; color: var(--ink-2); display: -webkit-box; -webkit-line-clamp: 3; line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.entry__date { font: 400 .875rem/1.3 var(--sans); color: var(--ink-3); }
.year { margin: 0; font: 300 clamp(2.25rem, 4vw, 3.5rem)/1 var(--serif); letter-spacing: -.02em; color: var(--ink-3); font-variant-numeric: lining-nums; }
.sect--year { padding-block: clamp(2rem, 4vw, 3rem); }
.notes-tools { display: grid; gap: .5rem; padding-top: clamp(2rem, 5vw, 3.25rem); }
@media (min-width: 64rem) { .notes-tools { grid-template-columns: var(--rail) minmax(0, var(--measure)); column-gap: clamp(3rem, 6vw, 5.5rem); align-items: end; } }
.notes-tools label { font: 600 .9375rem/1.3 var(--sans); }
.notes-tools .search-row { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1.25rem; }
.notes-tools input { width: min(100%, 24rem); }
.notes-count, .notes-empty { margin: 0; font: 400 .9375rem/1.4 var(--sans); color: var(--ink-3); }
.notes-empty { padding-block: 2rem; }
.more-link { display: inline-block; margin-top: 1.25rem; font: 600 .9375rem/1.3 var(--sans); }

/* ---------- article (Field Notes post) ---------- */
.article { padding-top: clamp(2.5rem, 6vw, 4.5rem); }
.article__head, .article__body, .article__after { width: min(100% - 2 * var(--gutter), var(--measure)); margin-inline: auto; }
.article__date { display: block; margin-bottom: .9rem; font: 500 .9375rem/1.3 var(--sans); color: var(--ink-3); }
.article__title { margin: 0; font: 300 clamp(2.4rem, 5.4vw, 3.9rem)/1.05 var(--serif); letter-spacing: -.02em; }
.article__lead { width: min(100% - 2 * var(--gutter), 60rem); margin: clamp(2rem, 4vw, 3rem) auto 0; }
.article__lead .fig { margin: 0; }
.article__body { margin-top: clamp(2rem, 4vw, 2.75rem); }
.article__body > .gallery, .article__body > .gallery-set, .article__body > .media-text, .article__body > .video, .article__body > .pair {
  position: relative; left: 50%; transform: translateX(-50%);
  width: min(100vw - 2 * var(--gutter), 60rem);
}
.article__after { margin-top: clamp(3rem, 6vw, 4.5rem); }

.comments { margin-bottom: 3.5rem; }
.comments h2, .note h2 { margin: 0 0 1rem; font: 400 1.75rem/1.2 var(--serif); }
.comments__list { margin: 0; padding: 0; list-style: none; }
.comment { padding-block: 1.1rem; border-top: 1px solid var(--rule); }
.comment--ellen { margin-left: clamp(1rem, 4vw, 2rem); padding-left: 1rem; border-left: 2px solid var(--gold); }
.comment__meta { margin: 0 0 .35rem; font: 400 .875rem/1.4 var(--sans); color: var(--ink-3); }
.comment__author { font-weight: 650; color: var(--ink); margin-right: .6rem; }
.comment__body p { margin: 0 0 .6em; font-size: 1.0625rem; }

.note { padding-top: 1.5rem; border-top: 2px solid var(--ink); }
.note__intro { margin: 0; color: var(--ink-2); }

.pager { display: grid; gap: 1.25rem; margin-top: 3.5rem; padding-top: 1.5rem; border-top: 1px solid var(--rule); }
@media (min-width: 40rem) { .pager { grid-template-columns: 1fr 1fr; } }
.pager a { display: block; color: var(--ink); text-decoration: none; }
.pager a:hover .pager__title { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: .16em; }
.pager__dir { display: block; margin-bottom: .2rem; font: 600 .8125rem/1.3 var(--sans); color: var(--ink-3); }
.pager__title { font: 400 1.1875rem/1.3 var(--serif); }
.pager__newer { text-align: right; }
.pager__all { grid-column: 1 / -1; font: 600 .9375rem/1.3 var(--sans); }
.pager__all a { color: var(--link); display: inline; }

/* ---------- about / publications / contact pieces ---------- */
.species { display: grid; gap: 1.75rem 2.25rem; margin: 2rem 0 2.25rem; }
@media (min-width: 40rem) { .species { grid-template-columns: 1fr 1fr; } }
.species__item { padding-top: .85rem; border-top: 2px solid var(--ink); }
.species__item .species__name { margin: 0; font: 500 1.25rem/1.25 var(--serif); letter-spacing: 0; }
.species__latin { margin: .1rem 0 .55rem; font: italic 400 1rem/1.4 var(--serif); color: var(--ink-3); }
.species__item p:last-child { margin: 0; font-size: 1.0625rem; line-height: 1.6; }
.entry-list, .prose .entry-list, .prose .link-list, .prose .press { margin: 0; padding: 0; list-style: none; }
.entry-list > li + li { margin-top: 1.25rem; }
.cred { margin: 0; }
.cred__title { font-weight: 600; }
.cred__meta { display: block; font: 400 .9375rem/1.5 var(--sans); color: var(--ink-3); margin-top: .15rem; }
.cite { margin: 0 0 1rem; padding-left: 1.75em; text-indent: -1.75em; }
.cite__me { font-weight: 600; }
.btn-link {
  display: inline-flex; align-items: center; gap: .5rem; margin-top: .25rem; padding: .6rem 1rem;
  font: 650 .9375rem/1.2 var(--sans); color: var(--ink); text-decoration: none;
  border: 1px solid var(--rule-strong); border-radius: 6px;
}
.btn-link:hover { border-color: var(--ink); color: var(--ink); }
.btn-link__meta { font-weight: 400; color: var(--ink-3); }
.press { margin: 0; padding: 0; list-style: none; }
.press__item { padding-block: 2rem; border-top: 1px solid var(--rule); }
.press__item:first-child { padding-top: 0; border-top: 0; }
.press__outlet { margin: 0 0 .75rem; font: 650 1.0625rem/1.35 var(--sans); }
.press__grid { display: grid; gap: 1rem 1.5rem; }
@media (min-width: 40rem) { .press__grid { grid-template-columns: 11rem minmax(0, 1fr); } }
.press__grid .fig { margin: 0; }
.press__grid .fig img { aspect-ratio: 4 / 3; object-fit: cover; }
.press__grid figcaption { font-size: .8125rem; }
.press__item .video { margin: 1.25rem 0 0; }
.press__item p:last-child { margin-bottom: 0; }
.link-list { margin: 0; padding: 0; list-style: none; }
.link-list li { padding-block: .7rem; border-top: 1px solid var(--rule); }
.link-list li:first-child { border-top: 0; padding-top: 0; }
.link-list a { font-weight: 500; }
.contact-address { margin: 1.25rem 0 0; font-size: 1.0625rem; line-height: 1.6; }
.sect__body > .sect__title { margin-bottom: 1.5rem; }
.contact-list { margin: 1.5rem 0 0; font-size: 1.0625rem; }
.contact-list dt { margin-top: 1.4rem; font: 650 .9375rem/1.3 var(--sans); }
.contact-list dt:first-child { margin-top: 0; }
.contact-list dd { margin: .3rem 0 0; line-height: 1.55; }
.contact-list ul { margin: 0; padding: 0; list-style: none; }
.contact-list li + li { margin-top: .3rem; }

/* ---------- forms ---------- */
.form { position: relative; display: grid; gap: 1.25rem; margin-top: 1.75rem; max-width: 36rem; }
.field label { display: block; margin-bottom: .4rem; font: 600 .9375rem/1.3 var(--sans); }
.field input, .field textarea, .notes-tools input {
  display: block; width: 100%; padding: .72rem .9rem;
  font: 400 1.0625rem/1.45 var(--sans); color: var(--ink);
  background: var(--raised); border: 1px solid var(--rule-strong); border-radius: 6px;
  transition: border-color .15s ease;
}
.field textarea { min-height: 9.5rem; resize: vertical; }
.field input:focus, .field textarea:focus, .notes-tools input:focus { outline: 2px solid var(--focus); outline-offset: 1px; border-color: var(--focus); }
.field [aria-invalid="true"] { border-color: var(--err); }
.field__hint { margin: .35rem 0 0; font: 400 .8125rem/1.4 var(--sans); color: var(--ink-3); }
.field__error { margin: .4rem 0 0; font: 600 .875rem/1.4 var(--sans); color: var(--err); }
.form__hp { position: absolute; left: -10000px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.form__actions { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1.25rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .9rem 1.45rem; border: 0; border-radius: 6px; cursor: pointer;
  font: 650 1rem/1 var(--sans); color: var(--paper); background: var(--ink);
}
.btn:hover { background: var(--night-2); color: #fff; }
.btn[disabled] { opacity: .65; cursor: progress; }
@media (prefers-color-scheme: dark) {
  .btn { background: var(--gold); color: #11152A; }
  .btn:hover { background: #F2C86C; color: #11152A; }
}
.form__status { margin: 0; font: 500 .9375rem/1.45 var(--sans); color: var(--ink-3); }
.form__status.is-err { color: var(--err); font-weight: 600; }
.form__done { padding: 1.25rem 1.4rem; border-left: 3px solid var(--gold); background: var(--paper-2); border-radius: 0 6px 6px 0; }
.form__done:focus { outline: none; }
.form__done-title { margin: 0 0 .25rem; font: 650 1.0625rem/1.35 var(--sans); }
.form__done p:last-child { margin: 0; }
.form__noscript { margin: 0; font: 400 .9375rem/1.5 var(--sans); color: var(--ink-2); }
.turnstile:empty { display: none; }

/* ---------- 404 ---------- */
.notfound-links { margin: 1.5rem 0 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: .75rem 1.5rem; font: 600 1rem/1.4 var(--sans); }

/* ---------- footer ---------- */
.footer { margin-top: clamp(4rem, 9vw, 7rem); padding-block: clamp(3rem, 6vw, 4rem) 2rem; background: var(--night); color: var(--night-ink-2); font: 400 .9375rem/1.55 var(--sans); }
.footer :focus-visible { outline-color: var(--gold); }
.footer__grid { display: grid; gap: 2.25rem; }
@media (min-width: 48rem) { .footer__grid { grid-template-columns: 1.6fr 1fr 1.5fr; gap: 3rem; } }
.footer__name { margin: 0 0 .6rem; font: 400 1.75rem/1.1 var(--serif); color: var(--night-ink); }
.footer__id p:last-child { margin: 0; max-width: 34ch; }
.footer h2 { margin: 0 0 .75rem; font: 650 .875rem/1.3 var(--sans); letter-spacing: .01em; color: var(--night-ink); }
.footer ul { margin: 0; padding: 0; list-style: none; }
.footer li + li { margin-top: .45rem; }
.footer a { color: var(--night-ink-2); text-decoration: none; }
.footer a:hover { color: var(--gold); }
.footer__base { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem 2rem; margin-top: 2.75rem; padding-top: 1.25rem; border-top: 1px solid rgba(174, 180, 202, .2); font-size: .8125rem; }
.footer__base p { margin: 0; }

/* ---------- lightbox ---------- */
.lightbox { width: 100vw; height: 100vh; max-width: 100vw; max-height: 100vh; margin: 0; padding: 0; border: 0; background: rgba(9, 11, 24, .96); color: var(--night-ink); }
.lightbox::backdrop { background: rgba(9, 11, 24, .9); }
.lightbox__inner { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .85rem; height: 100%; padding: 4rem 1rem 1.25rem; }
.lightbox__img { display: block; max-width: min(100%, 110rem); max-height: calc(100vh - 9rem); width: auto; height: auto; object-fit: contain; border-radius: 2px; }
.lightbox__cap { max-width: 64ch; margin: 0; text-align: center; font: 400 .9375rem/1.45 var(--sans); color: var(--night-ink-2); }
.lightbox button { position: absolute; display: grid; place-items: center; width: 2.9rem; height: 2.9rem; border: 1px solid rgba(174, 180, 202, .3); border-radius: 50%; background: rgba(26, 32, 64, .7); color: var(--night-ink); font: 500 1.35rem/1 var(--sans); cursor: pointer; }
.lightbox button:hover { border-color: var(--gold); color: var(--gold); }
.lightbox button:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.lightbox__close { top: 1rem; right: 1rem; }
.lightbox__prev { left: 1rem; top: calc(50% - 1.45rem); }
.lightbox__next { right: 1rem; top: calc(50% - 1.45rem); }
.lightbox__count { position: absolute; top: 1.6rem; left: 1.25rem; margin: 0; font: 500 .875rem/1 var(--sans); color: var(--night-ink-2); }

/* ---------- motion + print ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}
@media print {
  .masthead, .footer, .note, .pager, .video, .skip, .notes-tools { display: none !important; }
  body { background: #fff; color: #000; font-size: 11pt; }
  .sect { display: block; padding-block: 1rem; }
  .sect__rail { position: static; }
  a { color: #000; }
}