/* ---------------------------------------------------------------- fonts */

@font-face {
  font-family: "Inter";
  src: url("fonts/inter-latin-400-normal.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("fonts/inter-latin-500-normal.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("fonts/inter-latin-600-normal.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "JetBrains Mono";
  src: url("fonts/jetbrains-mono-latin-400-normal.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "JetBrains Mono";
  src: url("fonts/jetbrains-mono-latin-700-normal.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ---------------------------------------------------------------- tokens */

:root {
  color-scheme: light;

  /* surfaces — three clearly separated steps, not three near-identical whites */
  --bg:        light-dark(#f6f7f9, #0b0e14);
  --surface:   light-dark(#ffffff, #171c26);
  --header-bg: light-dark(rgba(246, 247, 249, 0.82), rgba(11, 14, 20, 0.78));

  --ink-strong: light-dark(#0f1520, #eef2f8);
  --ink:        light-dark(#414b5c, #b2bccb);
  --ink-dim:    light-dark(#6b7688, #7f8b9d);

  --line:      light-dark(rgba(15, 21, 32, 0.13), rgba(200, 214, 238, 0.14));
  --line-soft: light-dark(rgba(15, 21, 32, 0.07), rgba(200, 214, 238, 0.08));

  /* One accent hue, three weights. Light mode sits at 62% chroma / 52% light
     rather than 76/48 — same blue, none of the glare; still 4.9:1 on --bg.
     The whale runs a step lighter again so it reads as a mark, not a button. */
  --accent:        light-dark(#3966d0, #7ba3ff);
  --accent-strong: light-dark(#2951ae, #a8c3ff);
  --accent-wash:   light-dark(rgba(57, 102, 208, 0.08), rgba(123, 163, 255, 0.11));
  --accent-edge:   light-dark(rgba(57, 102, 208, 0.30), rgba(123, 163, 255, 0.32));
  --on-accent:     light-dark(#ffffff, #0b0e14);
  --mark:          light-dark(#4e75d0, #7ba3ff);

  --glow:      light-dark(rgba(57, 102, 208, 0.055), rgba(96, 140, 255, 0.10));
  --scrollbar: light-dark(#c3cbd8, #2a3346);

  --shadow-sm: light-dark(0 1px 2px rgba(15, 21, 32, 0.05), 0 1px 2px rgba(0, 0, 0, 0.3));

  /* code is always dark ink — one syntax palette, tuned once, in both themes */
  --code-bg:    #12161f;
  --code-edge:  light-dark(rgba(15, 21, 32, 0.9), rgba(200, 214, 238, 0.11));
  --code-fg:    #d5dde9;
  --code-chrome: rgba(213, 221, 233, 0.06);
  --syn-kw:    #82aaff;
  --syn-type:  #c9a6f5;
  --syn-term:  #6fd7c1;
  --syn-meta:  #ffc98b;
  --syn-dim:   #7a879f;

  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "Cascadia Code", "SF Mono", Menlo,
          Consolas, "Liberation Mono", monospace;

  --measure: 48rem;
  --prose: 40rem;
  --header-h: 3.5rem;
  --pad-x: 1.75rem;
  --r: 10px;
  --r-sm: 6px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scrollbar-color: var(--scrollbar) transparent;
  overflow-x: clip;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink);
  background-color: var(--bg);
  background-image: radial-gradient(ellipse 60% 26rem at 50% -4rem, var(--glow), transparent 72%);
  background-repeat: no-repeat;
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}


::selection {
  background: var(--accent-edge);
  color: var(--ink-strong);
}

/* -------------------------------------------------------------- elements */

a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: var(--accent-edge);
  text-underline-offset: 0.18em;
  text-decoration-thickness: 1px;
  transition: color 120ms ease, text-decoration-color 120ms ease;
}

@media (hover: hover) and (pointer: fine) {
  a:hover {
    color: var(--accent-strong);
    text-decoration-color: currentColor;
  }
}

:where(a, button, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

p {
  max-width: var(--prose);
}

p + p {
  margin-top: 1rem;
}

strong {
  color: var(--ink-strong);
  font-weight: 600;
}

.skip-link {
  position: absolute;
  left: 0.75rem;
  top: -4rem;
  z-index: 50;
  padding: 0.5rem 0.9rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  text-decoration: none;
  transition: top 140ms ease;
}

.skip-link:focus-visible {
  top: 0.75rem;
}

/* eyebrow / label typography — the one place monospace still shouts */
.brand,
.site-nav a,
.hero-links a,
h3,
summary,
.meta,
.sec-aside,
.person .aff,
.copy-btn,
.code-name {
  font-family: var(--mono);
}

/* ---------------------------------------------------------------- header */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 10;
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 0 var(--pad-x);
  background: var(--header-bg);
  backdrop-filter: blur(12px) saturate(1.4);
  -webkit-backdrop-filter: blur(12px) saturate(1.4);
  border-bottom: 1px solid var(--line-soft);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-strong);
  text-decoration: none;
  white-space: nowrap;
}

.brand::before {
  content: "";
  width: 1.45rem;
  height: 0.86rem;
  flex-shrink: 0;
  background: var(--mark);
  -webkit-mask: url("bel-icon.svg") center / contain no-repeat;
  mask: url("bel-icon.svg") center / contain no-repeat;
}

.site-nav {
  display: flex;
  gap: 1.6rem;
  margin-left: auto;
  overflow-x: auto;
  scrollbar-width: none;
}

.site-nav::-webkit-scrollbar {
  display: none;
}

.site-nav a {
  position: relative;
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-dim);
  text-decoration: none;
  white-space: nowrap;
  padding: 0.35rem 0;
}

@media (hover: hover) and (pointer: fine) {
  .site-nav a:hover {
    color: var(--ink-strong);
  }
}

.site-nav a[aria-current="true"] {
  color: var(--accent);
}


.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  color: var(--ink-dim);
  background: none;
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  cursor: pointer;
  flex-shrink: 0;
  transition: color 140ms ease, border-color 140ms ease, background 140ms ease;
}

.theme-toggle svg {
  width: 0.9375rem;
  height: 0.9375rem;
}

.theme-toggle .icon-moon { display: block; }
.theme-toggle .icon-sun  { display: none; }

:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun  { display: block; }

@media (hover: hover) and (pointer: fine) {
  .theme-toggle:hover {
    color: var(--ink-strong);
    border-color: var(--line);
    background: var(--surface);
  }
}

/* ---------------------------------------------------------------- layout */

main {
  max-width: var(--measure);
  margin: 0 auto;
  padding: calc(var(--header-h) + 2rem) var(--pad-x) 5rem;
}

section {
  scroll-margin-top: calc(var(--header-h) + 1.25rem);
}

.sec-head {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  margin: 2rem 0 1rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--line);
}

.sec-head h2 {
  font-size: 1.625rem;
  font-weight: 600;
  letter-spacing: -0.018em;
  line-height: 1.2;
  color: var(--ink-strong);
}

.sec-aside {
  margin-left: auto;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink-dim);
  white-space: nowrap;
}

.sec-aside::after {
  content: " ↗";
  font-size: 0.85em;
}

@media (hover: hover) and (pointer: fine) {
  .sec-aside:hover {
    color: var(--accent);
  }
}

h3 {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin: 2rem 0 1.1rem;
}

h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink-strong);
  letter-spacing: -0.005em;
}

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

.hero {
  padding: 1.5rem 0 0.5rem;
}

.hero-brand {
  display: flex;
  align-items: center;
  gap: clamp(0.9rem, 3vw, 2rem);
  flex-wrap: wrap;
}

.wordmark {
  display: inline-flex;
  font-family: var(--mono);
  font-size: clamp(3rem, 10vw, 5.75rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1.05;
  color: var(--ink-strong);
  text-shadow: 0.04em 0.04em 0 var(--accent-edge);
}

.hero-icon {
  display: block;
  height: clamp(2.5rem, 8.4vw, 4.9rem);
  aspect-ratio: 1542 / 906;
  flex-shrink: 0;
  color: var(--mark);
  background: currentColor;
  -webkit-mask: url("bel-icon.svg") center / contain no-repeat;
  mask: url("bel-icon.svg") center / contain no-repeat;
  animation: hero-icon-in 1200ms cubic-bezier(0.16, 1, 0.3, 1) 120ms both;
}

@keyframes hero-icon-in {
  from { opacity: 0; transform: translateX(0.3em); }
  to   { opacity: 1; transform: translateX(0); }
}

.wordmark span {
  display: inline-block;
  animation: wm-letter var(--wm-dur) cubic-bezier(0.16, 1, 0.3, 1) var(--wm-delay) both;
}

.wordmark span:nth-child(1) { --tx: -0.22em; --wm-dur: 1400ms; --wm-delay: 0ms; }
.wordmark span:nth-child(2) { --tx: -0.13em; --wm-dur: 1280ms; --wm-delay: 55ms; }
.wordmark span:nth-child(3) { --tx: -0.06em; --wm-dur: 1150ms; --wm-delay: 110ms; }
.wordmark span:nth-child(4) { --tx:  0.06em; --wm-dur: 1200ms; --wm-delay: 90ms; }
.wordmark span:nth-child(5) { --tx:  0.13em; --wm-dur: 1330ms; --wm-delay: 35ms; }
.wordmark span:nth-child(6) { --tx:  0.22em; --wm-dur: 1450ms; --wm-delay: 0ms; }

@keyframes wm-letter {
  from { transform: translateX(var(--tx)); opacity: 0.55; }
  to   { transform: translateX(0); opacity: 1; }
}

.hero .lede {
  max-width: 36rem;
  margin-top: 1.5rem;
  font-size: 1.1875rem;
  line-height: 1.5;
  letter-spacing: -0.011em;
  color: var(--ink-strong);
  font-weight: 400;
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 2rem;
}

.hero-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 0.6rem 1rem;
  box-shadow: var(--shadow-sm);
  transition: border-color 140ms ease, color 140ms ease, background 140ms ease;
}

.hero-links a .ext {
  color: var(--ink-dim);
  transition: color 140ms ease;
}

.hero-links a.primary {
  color: var(--on-accent);
  background: var(--accent);
  font-weight: 700;
  border-color: transparent;
}

@media (hover: hover) and (pointer: fine) {
  /* no lift: a button that moves out from under the cursor re-fires hover at
     the edge and flickers */
  .hero-links a:hover {
    color: var(--accent-strong);
    border-color: var(--accent-edge);
    background: var(--accent-wash);
  }

  .hero-links a:hover .ext {
    color: var(--accent-strong);
  }

  .hero-links a.primary:hover {
    color: var(--on-accent);
    background: var(--accent-strong);
    border-color: transparent;
  }
}

.abstract-copy {
  margin-top: 3.25rem;
}

/* ------------------------------------------------------------------ code */

.code-wrap {
  position: relative;
  margin: 1.25rem 0;
}

pre {
  background: var(--code-bg);
  color: var(--code-fg);
  border: 1px solid var(--code-edge);
  border-radius: var(--r);
  padding: 1.1rem 1.35rem;
  margin: 1.25rem 0;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.8125rem;
  line-height: 1.75;
  box-shadow: var(--shadow-sm);
  -webkit-font-smoothing: subpixel-antialiased;
}

.code-wrap pre {
  margin: 0;
}

pre code {
  background: none;
  border: none;
  padding: 0;
  color: inherit;
  font-size: inherit;
  white-space: pre;
}

/* inline code stays light and tinted — never confused with a code block */
code {
  font-family: var(--mono);
  font-size: 0.8125em;
  background: var(--accent-wash);
  padding: 0.15em 0.3em;
  color: var(--ink-strong);
  white-space: break-spaces;
  border-radius: 4px;
}

.copy-btn {
  position: absolute;
  top: 0.55rem;
  right: 0.55rem;
  padding: 0.3rem 0.55rem;
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--syn-dim);
  background: var(--code-chrome);
  border: 1px solid transparent;
  border-radius: 5px;
  cursor: pointer;
  opacity: 0;
  transition: opacity 140ms ease, color 140ms ease, border-color 140ms ease;
}

.code-wrap:hover .copy-btn,
.copy-btn:focus-visible,
.copy-btn.is-done {
  opacity: 1;
}

.copy-btn:hover {
  color: var(--code-fg);
  border-color: rgba(213, 221, 233, 0.18);
}

.copy-btn.is-done {
  color: var(--syn-term);
}

@media (hover: none) {
  .copy-btn { opacity: 1; }
}

/* the hero specimen: a framed file, not a floating blob */
.specimen {
  margin-top: 3rem;
  border: 1px solid var(--code-edge);
  border-radius: var(--r);
  background: var(--code-bg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

/* the title bar reads as chrome, distinct from the code field below it */
.code-head {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.95rem;
  border-bottom: 1px solid rgba(213, 221, 233, 0.14);
  background: rgba(213, 221, 233, 0.11);
}

.code-name {
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: #9aa7bd;
}

.code-head .copy-btn {
  top: 50%;
  right: 0.5rem;
  transform: translateY(-50%);
}

.specimen:hover .copy-btn {
  opacity: 1;
}

.specimen pre {
  margin: 0;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  padding: 1.25rem 1.35rem 1.4rem;
}


/* syntax — four hues, one neutral, tuned once against the dark ground */
.k    { color: var(--syn-kw); font-weight: 700; }
.td   { color: var(--syn-type); font-weight: 700; }
.t    { color: var(--syn-type); }
.ct   { color: var(--syn-term); }
.vd   { color: var(--syn-term); font-weight: 700; }
.lo   { color: var(--code-fg); }
.me   { color: var(--syn-meta); }
.ctrl { color: var(--syn-kw); }
.ar   { color: var(--syn-dim); }
.op   { color: var(--syn-dim); }
.pu   { color: var(--syn-dim); }
.at   { color: var(--syn-meta); }
.c    { color: var(--syn-dim); font-style: italic; }

/* ------------------------------------------------------------- link list */

ul.link-list {
  list-style: none;
  max-width: var(--prose);
}

ul.link-list > li {
  padding: 0.85rem 0;

  &:not(:last-child) {
  border-bottom: 1px solid var(--line-soft);
  }
}

ul.link-list > li > a {
  display: inline-block;
  font-size: 1.0625rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink-strong);
  text-decoration: none;
}

ul.link-list > li > a::after {
  content: " ↗";
  font-size: 0.7em;
  color: var(--ink-dim);
  vertical-align: 0.1em;
}

@media (hover: hover) and (pointer: fine) {
  ul.link-list > li > a:hover,
  ul.link-list > li > a:hover::after {
    color: var(--accent);
  }

  ul.link-list > li > a:hover {
    text-decoration: underline;
    text-decoration-color: var(--accent-edge);
  }
}

.meta {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.6875rem;
  letter-spacing: 0.02em;
  color: var(--ink-dim);
}

.meta a {
  color: var(--ink-dim);
  font-weight: 400;
}

.note {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: var(--ink);
}

/* ----------------------------------------------------------- case studies */

.cs-intro {
  margin-bottom: 1.5rem;
}

.cs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  align-items: start;
  gap: 0.75rem;
  counter-reset: cs;
}

/* Each entry keeps its own panel, but the panel earns it: a mono index and
   difficulty run across the top like a plate number, and hovering shifts the
   card's colour rather than floating it off the page. */
.cs-item {
  counter-increment: cs;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.15rem 1.25rem 1.35rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--shadow-sm);
  transition: border-color 160ms ease, background 160ms ease;
}

.cs-plate {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.cs-plate::before {
  content: counter(cs, decimal-leading-zero);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.cs-plate::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line-soft);
}

.cs-item h4 {
  font-size: 1rem;
  line-height: 1.3;
}

.cs-item h4 a {
  text-decoration: none;
  color: var(--ink-strong);
  transition: color 140ms ease;
}

/* The title's link is stretched over the whole panel, so the card is a single
   target: pointer cursor, hover, keyboard focus, middle- and ctrl-click all
   behave as they would on the anchor itself — no click handler needed. */
.cs-item h4 a::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--r);
}

.cs-item p {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--ink);
  max-width: none;
}

/* The whole panel is the link, so the whole panel reacts as one. */
.cs-item:focus-within {
  border-color: var(--accent-edge);
  background: var(--accent-wash);
}

.cs-item:focus-within h4 a {
  color: var(--accent);
}

@media (hover: hover) and (pointer: fine) {
  .cs-item:hover {
    border-color: var(--accent-edge);
    background: var(--accent-wash);
  }

  .cs-item:hover h4 a {
    color: var(--accent);
  }
}

/* ------------------------------------------- sample files under the guide */

/* Always visible, but denser than body copy: a captioned two-column index of
   files, so it reads as an appendix to the entry above rather than a section. */
.samples {
  margin-top: 0.9rem;
  padding-left: 0.9rem;
  border-left: 2px solid var(--line);
}

.samples-label {
  display: block;
  margin-bottom: 0.4rem;
  font-family: var(--mono);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.samples ul {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 0.1rem 2rem;
}

.samples li {
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--ink-dim);
}

.samples a {
  font-family: var(--mono);
  font-size: 0.85em;
  margin-right: 0.35rem;
  color: var(--ink-strong);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.samples i {
  font-style: normal;
  opacity: 0.65;
}

@media (hover: hover) and (pointer: fine) {
  .samples a:hover {
    color: var(--accent);
    border-bottom-color: var(--accent-edge);
  }
}

/* --------------------------------------------------------------- details */

details {
  border: 1px solid var(--line);
  border-radius: var(--r);
  margin: 1.5rem 0;
  background: var(--surface);
  overflow: hidden;
}

summary {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  cursor: pointer;
  list-style: none;
  padding: 0.8rem 1.1rem;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  user-select: none;
  transition: color 120ms ease, background 120ms ease;
}

summary::-webkit-details-marker {
  display: none;
}

summary::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  flex-shrink: 0;
  border-right: 1.5px solid var(--accent);
  border-bottom: 1.5px solid var(--accent);
  transform: rotate(-45deg);
  margin-top: -2px;
  transition: transform 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

details[open] summary::before {
  transform: rotate(45deg);
  margin-top: -4px;
}

@media (hover: hover) and (pointer: fine) {
  summary:hover {
    color: var(--ink-strong);
    background: var(--accent-wash);
  }
}

details[open] summary {
  border-bottom: 1px solid var(--line-soft);
}

/* Inset every child of an open panel, including the .code-wrap the copy-button
   script inserts — its class would otherwise outrank a bare element selector
   and leave code blocks flush against the panel edge. */
details > :not(summary),
details > .code-wrap {
  margin-left: 1.25rem;
  margin-right: 1.25rem;
}

details > h3:first-of-type {
  margin-top: 1.35rem;
}

details > :last-child:not(summary) {
  margin-bottom: 1.35rem;
}

/* ---------------------------------------------------------------- people */

.people-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: 0 4rem;
  align-items: start;
}

.people-grid h3 {
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--line);
}

.people-grid h3:first-child {
  margin-top: 1.5rem;
}

/* name over affiliation, no rules — a roster reads better than a table */
.person + .person {
  margin-top: 0.7rem;
}

.person .name {
  color: var(--ink-strong);
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.35;
}

.person .name a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: var(--line-soft);
  text-underline-offset: 0.2em;
}

@media (hover: hover) and (pointer: fine) {
  .person .name a:hover {
    color: var(--accent);
    text-decoration-color: var(--accent-edge);
  }
}

.person .aff {
  color: var(--ink-dim);
  font-size: 0.6875rem;
  line-height: 1.5;
}

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

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.site-footer .inner {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 3rem var(--pad-x) 3.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 2.25rem 3.5rem;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--ink-dim);
}

.site-footer .funding {
  font-size: 0.75rem;
  line-height: 1.7;
}

.site-footer .foot-label {
  display: block;
  margin-bottom: 0.5rem;
  font-family: var(--mono);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-strong);
}

.site-footer .mcgill-mark {
  display: block;
  height: 1.6rem;
  width: auto;
  margin-top: 1.25rem;
  opacity: 0.75;
}

:root[data-theme="dark"] .site-footer .mcgill-mark {
  filter: invert(1);
  opacity: 0.65;
}

/* -------------------------------------------------------------- narrower */

@media (max-width: 46rem) {
  :root {
    --pad-x: 1.1rem;
  }

  .site-header {
    gap: 0.85rem;
  }

  /* the wordmark yields to the nav on small screens — the whale still marks home */
  .brand-text {
    display: none;
  }

  .site-nav {
    gap: 0.95rem;
  }

  .sec-head {
    margin-top: 4.5rem;
  }

  .sec-head h2 {
    font-size: 1.375rem;
  }

  .hero .lede {
    font-size: 1.0625rem;
  }

}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}