/*
Theme Name: Learning Health
Theme URI: https://learninghealth.space/
Author: Learning Health
Description: Dark-first research-report theme for peptide science explainers.
Version: 3.1.1
License: GNU General Public License v2 or later
Text Domain: learninghealth
*/

/* ---------- fonts ---------- */
@font-face {
  font-family: 'Mona Sans LH';
  font-style: normal;
  font-display: swap;
  font-weight: 200 900;
  src: url(assets/fonts/mona-latin.woff2) format('woff2-variations');
  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+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face {
  font-family: 'Mona Sans LH';
  font-style: normal;
  font-display: swap;
  font-weight: 200 900;
  src: url(assets/fonts/mona-latin-ext.woff2) format('woff2-variations');
  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: 'Martian Mono LH';
  font-style: normal;
  font-display: swap;
  font-weight: 100 800;
  src: url(assets/fonts/martian-latin.woff2) format('woff2-variations');
  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: 'Martian Mono LH';
  font-style: normal;
  font-display: swap;
  font-weight: 100 800;
  src: url(assets/fonts/martian-latin-ext.woff2) format('woff2-variations');
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,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;
}

/* ---------- tokens ---------- */
:root {
  --ink: #0a0c10;
  --ink-2: #0f1319;
  --panel: #13181f;
  --panel-2: #181e27;
  --line: #242c38;
  --line-soft: #1b222c;
  --fg: #e8ecf2;
  --fg-2: #a7b2c2;
  --fg-3: #6f7d90;
  --accent: #c7f044;
  --accent-ink: #0a0c10;
  --accent-dim: #8ca82b;
  --warn: #ffb24a;
  --bad: #ff6b81;
  --ok: #4fd6a0;
  --info: #58b6f0;

  --r-nonpolar: #f0a94a;
  --r-polar: #58b6f0;
  --r-positive: #8e9cff;
  --r-negative: #ff6b81;
  --r-special: #c08cff;

  --mono: 'Martian Mono LH', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: 'Mona Sans LH', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;

  --wrap: 1200px;
  --read: 760px;
  --rad: 4px;
  --shadow: 0 1px 0 rgba(255,255,255,.03) inset, 0 18px 40px -24px rgba(0,0,0,.9);
  color-scheme: dark;
}

:root[data-theme="light"] {
  --ink: #f7f8fa;
  --ink-2: #eef1f5;
  --panel: #ffffff;
  --panel-2: #f3f5f9;
  --line: #d9dee7;
  --line-soft: #e6eaf1;
  --fg: #11151c;
  --fg-2: #4a556a;
  --fg-3: #717e93;
  --accent: #5c7a0f;
  --accent-ink: #ffffff;
  --accent-dim: #78991f;
  --warn: #9a5a00;
  --bad: #b3243c;
  --ok: #107a52;
  --info: #15618f;
  --r-nonpolar: #9a5f00;
  --r-polar: #15618f;
  --r-positive: #3f45a8;
  --r-negative: #b3243c;
  --r-special: #6a3fa8;
  --shadow: 0 1px 2px rgba(16,24,40,.06), 0 12px 28px -20px rgba(16,24,40,.35);
  color-scheme: light;
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--ink);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  font-weight: 380;
  letter-spacing: -0.003em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(760px 420px at 12% -8%, rgba(199,240,68,.07), transparent 70%),
    radial-gradient(900px 520px at 88% 0%, rgba(88,182,240,.06), transparent 72%);
}
:root[data-theme="light"] body::before {
  background:
    radial-gradient(760px 420px at 12% -8%, rgba(92,122,15,.07), transparent 70%),
    radial-gradient(900px 520px at 88% 0%, rgba(21,97,143,.05), transparent 72%);
}

img, svg, canvas { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
hr { border: 0; border-top: 1px solid var(--line); margin: 2.5rem 0; }

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

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

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 12px; z-index: 99; background: var(--accent); color: var(--accent-ink); padding: 8px 14px; border-radius: var(--rad); font: 600 13px/1 var(--mono); }

/* ---------- type ---------- */
h1, h2, h3, h4 { font-weight: 680; letter-spacing: -0.022em; line-height: 1.1; margin: 0 0 .6em; text-wrap: balance; }
h1 { font-size: clamp(2.1rem, 5vw, 3.3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.05rem); }
h3 { font-size: 1.22rem; letter-spacing: -0.014em; }
p { margin: 0 0 1.15em; }

.eyebrow {
  font: 600 10.5px/1 var(--mono);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--fg-3);
  display: inline-flex;
  align-items: center;
  gap: .55em;
}
.eyebrow::before {
  content: "";
  width: 18px; height: 1px;
  background: var(--accent);
  display: inline-block;
}
.lede { font-size: clamp(1.06rem, 2vw, 1.22rem); color: var(--fg-2); font-weight: 360; }
.mono { font-family: var(--mono); font-variant-ligatures: none; }
.num { font-family: var(--mono); font-feature-settings: "tnum" 1; }

/* ---------- header ---------- */
.site-head {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--ink) 82%, transparent);
  backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid var(--line-soft);
}
.head-in { display: flex; align-items: center; gap: 20px; height: 62px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; margin-right: auto; }
.brand-mark { width: 26px; height: 26px; flex: 0 0 26px; }
.brand-name { font: 700 15px/1 var(--sans); letter-spacing: -.02em; }
.brand-name span { color: var(--fg-3); font-weight: 450; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  text-decoration: none; color: var(--fg-2);
  font: 500 13.5px/1 var(--sans);
  padding: 8px 11px; border-radius: var(--rad);
}
.nav a:hover { color: var(--fg); background: var(--panel-2); }
.nav a[aria-current="page"] { color: var(--fg); }

.icon-btn {
  appearance: none; border: 1px solid var(--line); background: var(--panel);
  color: var(--fg-2); width: 34px; height: 34px; border-radius: var(--rad);
  display: grid; place-items: center; cursor: pointer; padding: 0;
}
.icon-btn:hover { color: var(--fg); border-color: var(--fg-3); }
.icon-btn svg { width: 16px; height: 16px; }
.t-sun { display: none; }
:root[data-theme="light"] .t-sun { display: block; }
:root[data-theme="light"] .t-moon { display: none; }

.nav-toggle { display: none; }
@media (max-width: 860px) {
  .nav {
    position: fixed; inset: 62px 0 auto; flex-direction: column; align-items: stretch;
    background: var(--ink-2); border-bottom: 1px solid var(--line);
    padding: 10px 16px 18px; gap: 2px; display: none;
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 10px; font-size: 15px; border-bottom: 1px solid var(--line-soft); }
  .nav-toggle { display: grid; }
}

.progress { position: fixed; top: 0; left: 0; height: 2px; background: var(--accent); width: 0; z-index: 60; transition: width .08s linear; }

/* ---------- hero ---------- */
.hero { position: relative; padding: clamp(48px, 9vw, 104px) 0 clamp(36px, 6vw, 72px); overflow: hidden; }
.hero-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  opacity: .5; pointer-events: none; z-index: 0;
  mask-image: linear-gradient(to bottom, #000 35%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, #000 35%, transparent 100%);
}
/* NB: .hero-in shares an element with .wrap — never redeclare max-width or
   padding here, or the wrap's gutter and centring are lost. */
.hero-in { position: relative; z-index: 1; }
.hero h1 { margin: 18px 0 20px; max-width: 880px; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero .lede { max-width: 620px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font: 600 13px/1 var(--mono); letter-spacing: .02em;
  padding: 13px 18px; border-radius: var(--rad); text-decoration: none;
  border: 1px solid var(--line); color: var(--fg); background: var(--panel);
  cursor: pointer;
}
.btn:hover { border-color: var(--fg-3); }
.btn-primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 700; }
.btn-primary:hover { background: var(--accent-dim); border-color: var(--accent-dim); }

.stats { display: flex; flex-wrap: wrap; gap: 28px 44px; margin-top: 40px; padding-top: 26px; border-top: 1px solid var(--line-soft); }
.stat b { display: block; font: 700 1.9rem/1 var(--mono); letter-spacing: -.03em; }
.stat span { font: 500 10.5px/1.4 var(--mono); letter-spacing: .13em; text-transform: uppercase; color: var(--fg-3); }

/* ---------- marquee ---------- */
.ticker { border-block: 1px solid var(--line-soft); background: var(--ink-2); overflow: hidden; padding: 10px 0; }
.ticker-track { display: flex; gap: 42px; width: max-content; animation: slide 64s linear infinite; }
.ticker:hover .ticker-track { animation-play-state: paused; }
@keyframes slide { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .ticker-track { animation: none; } }
.ticker-item { font: 500 11px/1 var(--mono); letter-spacing: .08em; color: var(--fg-3); white-space: nowrap; display: flex; gap: 10px; align-items: center; }
.ticker-item b { color: var(--fg-2); font-weight: 600; }

/* ---------- sections ---------- */
.section { padding: clamp(52px, 8vw, 92px) 0; }
.section-head { max-width: 680px; margin-bottom: 36px; }
.section-head h2 { margin-top: 14px; }
.section-head p { color: var(--fg-2); margin: 0; }
.sep { border-top: 1px solid var(--line-soft); }

/* ---------- atlas ---------- */
.atlas-bar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-bottom: 22px; }
.search {
  flex: 1 1 230px; min-width: 190px; position: relative;
}
.search input {
  width: 100%; background: var(--panel); border: 1px solid var(--line); color: var(--fg);
  font: 400 14px/1 var(--sans); padding: 11px 12px 11px 34px; border-radius: var(--rad);
}
.search input::placeholder { color: var(--fg-3); }
.search svg { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); width: 14px; height: 14px; color: var(--fg-3); }
.selects { display: flex; gap: 10px; flex-wrap: wrap; }
select {
  background: var(--panel); border: 1px solid var(--line); color: var(--fg-2);
  font: 500 12px/1 var(--mono); padding: 11px 10px; border-radius: var(--rad); cursor: pointer;
}
.view-toggle { display: flex; border: 1px solid var(--line); border-radius: var(--rad); overflow: hidden; }
.view-toggle button {
  appearance: none; background: var(--panel); border: 0; color: var(--fg-3);
  font: 600 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase;
  padding: 11px 13px; cursor: pointer;
}
.view-toggle button[aria-pressed="true"] { background: var(--panel-2); color: var(--fg); }

.chips { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 26px; }
.chip {
  appearance: none; cursor: pointer;
  background: transparent; border: 1px solid var(--line); color: var(--fg-3);
  font: 500 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase;
  padding: 8px 12px; border-radius: 100px;
}
.chip:hover { color: var(--fg-2); border-color: var(--fg-3); }
.chip[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 700; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(282px, 1fr)); gap: 14px; }

.card {
  position: relative; display: flex; flex-direction: column;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--rad);
  padding: 20px; text-decoration: none; box-shadow: var(--shadow);
  transition: border-color .15s ease, transform .15s ease;
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; margin-bottom: 14px; }
.card h3 { margin: 0 0 4px; font-size: 1.1rem; }
.card-alias { font: 500 10.5px/1.3 var(--mono); color: var(--fg-3); letter-spacing: .04em; }
.card p { color: var(--fg-2); font-size: .92rem; margin: 10px 0 16px; flex: 1; }
.card-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-top: 14px; border-top: 1px solid var(--line-soft); }
.card-cat { font: 500 10px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--fg-3); }

.seqline { display: flex; gap: 2px; margin: 0 0 12px; flex-wrap: wrap; }
.seqline i {
  font: 600 9.5px/1 var(--mono); font-style: normal;
  width: 15px; height: 17px; display: grid; place-items: center; border-radius: 2px;
  background: color-mix(in srgb, currentColor 16%, transparent);
}
.r-nonpolar { color: var(--r-nonpolar); }
.r-polar { color: var(--r-polar); }
.r-positive { color: var(--r-positive); }
.r-negative { color: var(--r-negative); }
.r-special { color: var(--r-special); }

/* evidence pip */
.ev { display: inline-flex; align-items: center; gap: 6px; }
.ev-bars { display: inline-flex; gap: 2px; }
.ev-bars i { width: 4px; height: 12px; border-radius: 1px; background: var(--line); display: block; }
.ev-bars i.on { background: var(--accent); }
.ev-label { font: 600 10px/1 var(--mono); letter-spacing: .1em; color: var(--fg-3); text-transform: uppercase; }

/* table view */
.table-wrap { border: 1px solid var(--line); border-radius: var(--rad); overflow: auto hidden; background: var(--panel); }
table.atlas { width: 100%; border-collapse: collapse; min-width: 720px; }
table.atlas th {
  text-align: left; font: 600 10px/1.4 var(--mono); letter-spacing: .13em; text-transform: uppercase;
  color: var(--fg-3); padding: 13px 16px; border-bottom: 1px solid var(--line); background: var(--panel-2);
  white-space: nowrap;
}
table.atlas td { padding: 13px 16px; border-bottom: 1px solid var(--line-soft); font-size: .92rem; vertical-align: middle; }
table.atlas tr:last-child td { border-bottom: 0; }
table.atlas tbody tr:hover { background: var(--panel-2); }
table.atlas a { text-decoration: none; font-weight: 600; }
table.atlas a:hover { color: var(--accent); }
.hide { display: none !important; }
.empty { padding: 48px 20px; text-align: center; color: var(--fg-3); font: 500 13px/1.6 var(--mono); }

/* ---------- ladder ---------- */
.ladder { display: grid; gap: 10px; }
.rung {
  display: grid; grid-template-columns: 54px 1fr; gap: 18px; align-items: start;
  background: var(--panel); border: 1px solid var(--line); border-left: 3px solid var(--line);
  border-radius: var(--rad); padding: 16px 18px;
}
.rung-id { font: 700 1.3rem/1 var(--mono); color: var(--fg-3); letter-spacing: -.02em; }
.rung h4 { margin: 0 0 4px; font-size: 1rem; }
.rung p { margin: 0; color: var(--fg-2); font-size: .92rem; }
.rung:nth-child(1) { border-left-color: #3a4454; }
.rung:nth-child(2) { border-left-color: #51606f; }
.rung:nth-child(3) { border-left-color: var(--info); }
.rung:nth-child(4) { border-left-color: var(--accent-dim); }
.rung:nth-child(5) { border-left-color: var(--accent); }
.rung:nth-child(5) .rung-id, .rung:nth-child(4) .rung-id { color: var(--accent); }

.callout {
  border: 1px solid var(--line); border-left: 3px solid var(--warn);
  background: var(--panel); border-radius: var(--rad); padding: 18px 20px;
}
.callout h4 { margin: 0 0 8px; font-size: 1rem; }
.callout p:last-child { margin: 0; }
.callout.accent { border-left-color: var(--accent); }
.callout.bad { border-left-color: var(--bad); }

/* ---------- claim check ---------- */
.cc { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px; }
.cc-item {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--rad); padding: 18px;
}
.cc-q { font-weight: 600; margin: 0 0 12px; font-size: 1rem; }
.cc-btns { display: flex; gap: 8px; margin-bottom: 12px; }
.cc-btns button {
  appearance: none; cursor: pointer; flex: 1;
  background: var(--panel-2); border: 1px solid var(--line); color: var(--fg-2);
  font: 600 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase;
  padding: 10px; border-radius: var(--rad);
}
.cc-btns button:hover { border-color: var(--fg-3); color: var(--fg); }
.cc-a { display: none; font-size: .9rem; color: var(--fg-2); border-top: 1px solid var(--line-soft); padding-top: 12px; }
.cc-item.done .cc-a { display: block; }
.cc-item.done .cc-btns button { opacity: .45; pointer-events: none; }
.cc-item.done .cc-btns button.pick { opacity: 1; border-color: var(--accent); color: var(--fg); }
.verdict-line { font: 700 10.5px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; margin-bottom: 8px; display: block; }

/* flags */
.flags { display: grid; grid-template-columns: repeat(auto-fit, minmax(232px, 1fr)); gap: 12px; }
.flag { background: var(--panel); border: 1px solid var(--line); border-radius: var(--rad); padding: 18px; }
.flag b { display: block; font-size: .97rem; margin-bottom: 6px; }
.flag span { color: var(--fg-2); font-size: .88rem; }
.flag-n { font: 700 11px/1 var(--mono); color: var(--bad); letter-spacing: .1em; display: block; margin-bottom: 10px; }

/* ---------- article ---------- */
.article-head { padding: clamp(34px, 6vw, 60px) 0 26px; border-bottom: 1px solid var(--line-soft); }
.crumbs { font: 500 11px/1 var(--mono); letter-spacing: .08em; color: var(--fg-3); margin-bottom: 18px; text-transform: uppercase; }
.crumbs a { text-decoration: none; }
.crumbs a:hover { color: var(--accent); }
.article-head h1 { max-width: 20ch; }
.article-head .lede { max-width: 66ch; margin-bottom: 0; }
.aliases { font: 500 12px/1.5 var(--mono); color: var(--fg-3); margin: -8px 0 18px; }

/* padding-block only — .layout shares an element with .wrap, whose
   horizontal padding is the page gutter. */
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 250px; gap: 56px; align-items: start; padding-block: 44px 72px; }
/* minmax(0,…) not 1fr: a bare 1fr track has min-width:auto, which lets the
   spec sheet's long sequence string push the column wider than the screen. */
@media (max-width: 1000px) { .layout { grid-template-columns: minmax(0, 1fr); gap: 0; } }
.layout > * { min-width: 0; }

.toc { position: sticky; top: 86px; }
@media (max-width: 1000px) { .toc { display: none; } }
.toc-title { font: 600 10px/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--fg-3); margin-bottom: 12px; }
.toc ol { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--line); }
.toc li a {
  display: block; text-decoration: none; color: var(--fg-3);
  font-size: .85rem; padding: 6px 0 6px 14px; margin-left: -1px;
  border-left: 1px solid transparent; line-height: 1.35;
}
.toc li a:hover { color: var(--fg-2); }
.toc li a.active { color: var(--fg); border-left-color: var(--accent); }

/* spec sheet */
.spec {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(158px, 1fr));
  border: 1px solid var(--line); border-radius: var(--rad); overflow: hidden;
  background: var(--panel); margin-bottom: 34px;
}
.spec div { padding: 14px 16px; border-right: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
/* the sequence is the one long value — give it room instead of a tall column */
@media (min-width: 700px) { .spec div:first-child { grid-column: span 2; } }
.spec dt { font: 600 9.5px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--fg-3); margin-bottom: 7px; }
.spec dd { margin: 0; font: 500 .9rem/1.35 var(--mono); letter-spacing: -.01em; overflow-wrap: anywhere; }

/* residue strip */
.strip-box { margin: 0 0 34px; }
.strip { display: flex; flex-wrap: wrap; gap: 3px; }
.strip button {
  appearance: none; cursor: help; border: 1px solid color-mix(in srgb, currentColor 32%, transparent);
  background: color-mix(in srgb, currentColor 13%, transparent);
  font: 600 11px/1 var(--mono); padding: 0; border-radius: 3px;
  width: 26px; height: 30px; display: grid; place-items: center; position: relative;
}
.strip button:hover { background: color-mix(in srgb, currentColor 26%, transparent); }
.strip button::after {
  content: attr(data-tip);
  position: absolute; bottom: calc(100% + 7px); left: 50%; transform: translateX(-50%);
  background: var(--ink-2); color: var(--fg); border: 1px solid var(--line);
  font: 500 10.5px/1.3 var(--mono); letter-spacing: 0; text-transform: none;
  padding: 6px 8px; border-radius: 3px; white-space: nowrap; opacity: 0; pointer-events: none;
  transition: opacity .12s ease; z-index: 5;
}
.strip button:hover::after, .strip button:focus-visible::after { opacity: 1; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 12px; }
.legend span { font: 500 10px/1 var(--mono); letter-spacing: .07em; text-transform: uppercase; color: var(--fg-3); display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 8px; height: 8px; border-radius: 2px; background: currentColor; display: block; }

/* prose */
.prose { max-width: var(--read); }
.prose > h2 { margin-top: 2.6em; padding-top: 1.5em; border-top: 1px solid var(--line-soft); scroll-margin-top: 80px; }
.prose > h2:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.prose h3 { margin-top: 1.9em; scroll-margin-top: 80px; }
.prose ul, .prose ol { padding-left: 1.15em; margin: 0 0 1.3em; }
.prose li { margin-bottom: .5em; }
.prose li::marker { color: var(--fg-3); }
.prose strong { font-weight: 650; color: var(--fg); }
.prose a:not(.btn) { color: var(--fg); text-decoration: underline; text-decoration-color: var(--accent-dim); text-underline-offset: 3px; }
.prose a:not(.btn):hover { color: var(--accent); }
.prose blockquote {
  margin: 1.6em 0; padding: 0 0 0 20px; border-left: 2px solid var(--accent);
  color: var(--fg-2); font-size: 1.04rem;
}
.prose code { font: 500 .87em/1 var(--mono); background: var(--panel-2); border: 1px solid var(--line-soft); padding: 2px 5px; border-radius: 3px; }

.kv { display: grid; gap: 0; border: 1px solid var(--line); border-radius: var(--rad); overflow: hidden; margin: 0 0 1.6em; }
.kv > div { display: grid; grid-template-columns: 180px 1fr; gap: 16px; padding: 13px 16px; border-bottom: 1px solid var(--line-soft); background: var(--panel); }
.kv > div:last-child { border-bottom: 0; }
.kv b { font: 600 10px/1.5 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--fg-3); }
.kv span { font-size: .93rem; color: var(--fg-2); }
@media (max-width: 620px) { .kv > div { grid-template-columns: 1fr; gap: 5px; } }

/* claims table */
.claims { border: 1px solid var(--line); border-radius: var(--rad); overflow: auto hidden; margin: 0 0 1.8em; }
table.cl { width: 100%; border-collapse: collapse; min-width: 560px; background: var(--panel); }
table.cl th { text-align: left; font: 600 9.5px/1.45 var(--mono); letter-spacing: .13em; text-transform: uppercase; color: var(--fg-3); padding: 14px 15px; vertical-align: bottom; background: var(--panel-2); border-bottom: 1px solid var(--line); }
table.cl td { padding: 14px 15px; border-bottom: 1px solid var(--line-soft); font-size: .91rem; vertical-align: top; color: var(--fg-2); }
table.cl td:first-child { color: var(--fg); font-weight: 550; }
table.cl tr:last-child td { border-bottom: 0; }

.pill {
  display: inline-block; font: 700 9.5px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase;
  padding: 5px 8px; border-radius: 100px; white-space: nowrap;
  border: 1px solid color-mix(in srgb, currentColor 40%, transparent);
  background: color-mix(in srgb, currentColor 14%, transparent);
}
.v-supported { color: var(--ok); }
.v-mixed { color: var(--warn); }
.v-unproven { color: var(--fg-3); }
.v-not { color: var(--bad); }

/* refs */
.refs { counter-reset: r; list-style: none; padding: 0; margin: 0; }
.refs li {
  counter-increment: r; position: relative; padding-left: 36px; margin-bottom: 14px;
  font-size: .87rem; color: var(--fg-2); line-height: 1.55;
}
.refs li::before {
  content: counter(r); position: absolute; left: 0; top: 1px;
  font: 600 10px/20px var(--mono); width: 22px; height: 20px; text-align: center;
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 3px; color: var(--fg-3);
}
.refs i { font-style: normal; color: var(--fg-3); }
.refs a { text-decoration: none; color: var(--fg-3); border-bottom: 1px solid var(--line); }
.refs a:hover { color: var(--accent); }

.disclaimer-box {
  border: 1px solid var(--line); background: var(--ink-2); border-radius: var(--rad);
  padding: 18px 20px; margin-top: 40px; font-size: .86rem; color: var(--fg-3); line-height: 1.6;
}
.disclaimer-box b { color: var(--fg-2); }

/* next / prev */
.pager { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; margin-top: 44px; }
.pager a { text-decoration: none; border: 1px solid var(--line); border-radius: var(--rad); padding: 16px 18px; background: var(--panel); }
.pager a:hover { border-color: var(--accent); }
.pager small { font: 600 9.5px/1 var(--mono); letter-spacing: .13em; text-transform: uppercase; color: var(--fg-3); display: block; margin-bottom: 7px; }
.pager b { font-weight: 600; font-size: .98rem; }

/* ---------- footer ---------- */
.site-foot { border-top: 1px solid var(--line-soft); background: var(--ink-2); padding: 52px 0 36px; margin-top: 20px; }
.foot-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 36px; }
@media (max-width: 860px) { .foot-grid { grid-template-columns: 1fr 1fr; gap: 28px; } }
.foot-grid h5 { font: 600 10px/1 var(--mono); letter-spacing: .15em; text-transform: uppercase; color: var(--fg-3); margin: 0 0 14px; }
.foot-grid ul { list-style: none; margin: 0; padding: 0; }
.foot-grid li { margin-bottom: 9px; }
.foot-grid a { text-decoration: none; color: var(--fg-2); font-size: .9rem; }
.foot-grid a:hover { color: var(--accent); }
.foot-about p { color: var(--fg-3); font-size: .88rem; max-width: 36ch; margin: 12px 0 0; }
.foot-bottom {
  margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--line-soft);
  display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between;
  font: 500 11px/1.6 var(--mono); color: var(--fg-3); letter-spacing: .03em;
}

/* 404 + archive */
.center-pad { padding: clamp(60px, 12vw, 130px) 0; text-align: center; }
.center-pad .lede { margin-inline: auto; max-width: 52ch; }
.center-pad .hero-cta { justify-content: center; }
.arch-head { padding: clamp(36px, 6vw, 64px) 0 10px; }