/* Shared by the homepage, privacy notice and resource pages. The CAR-T explainer (on hold, outside public/) keeps its own styles.
   Type: Bodoni Moda (headlines) and Libre Caslon Text (body, chosen 29 Oct), both self-hosted, OFL licences in /assets/fonts. */
@font-face{font-family:"Libre Caslon Text";font-style:italic;font-weight:400;font-display:swap;
  src:url("/assets/fonts/libre-caslon-text-italic-400-latin-ext.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-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:"Libre Caslon Text";font-style:italic;font-weight:400;font-display:swap;
  src:url("/assets/fonts/libre-caslon-text-italic-400-latin.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:"Libre Caslon Text";font-style:normal;font-weight:400;font-display:swap;
  src:url("/assets/fonts/libre-caslon-text-normal-400-latin-ext.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-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:"Libre Caslon Text";font-style:normal;font-weight:400;font-display:swap;
  src:url("/assets/fonts/libre-caslon-text-normal-400-latin.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:"Libre Caslon Text";font-style:normal;font-weight:700;font-display:swap;
  src:url("/assets/fonts/libre-caslon-text-normal-700-latin-ext.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-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:"Libre Caslon Text";font-style:normal;font-weight:700;font-display:swap;
  src:url("/assets/fonts/libre-caslon-text-normal-700-latin.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:"Bodoni Moda";font-style:italic;font-weight:400 900;font-display:swap;
  src:url("/assets/fonts/bodoni-moda-italic-latin-ext.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-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:"Bodoni Moda";font-style:italic;font-weight:400 900;font-display:swap;
  src:url("/assets/fonts/bodoni-moda-italic-latin.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:"Bodoni Moda";font-style:normal;font-weight:400 900;font-display:swap;
  src:url("/assets/fonts/bodoni-moda-normal-latin-ext.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-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:"Bodoni Moda";font-style:normal;font-weight:400 900;font-display:swap;
  src:url("/assets/fonts/bodoni-moda-normal-latin.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}

:root{
  --bg:#ffffff; --ink:#0b1220; --muted:#4a5468; --rule:#e2e7ef;
  --serif:"Bodoni Moda",Didot,"Bodoni 72",Georgia,serif;
  /* Body text face, its size, and where the highlighter band sits for it (just under the baseline) */
  --text:"Libre Caslon Text",Georgia,serif; --text-size:1rem; --text-mark-bottom:.18em;
  /* Name gradient, left to right across the word: royal to azure (chosen 29 Oct). */
  --g-from:#2742d8; --g-to:#2a8bf2; --g-angle:100deg; --blue:#2742d8;
  /* Highlighter: jumper pink with knit flecks, fading toward white (chosen 29 Oct). Never used as a text colour. */
  --mark:#f5c5c2; --mark-end:#fae3e2; --fade-start:59.5%; --select:#fae5e4;
  --fleck:url("data:image/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27140%27%20height%3D%27140%27%3E%3Cfilter%20id%3D%27n%27%3E%3CfeTurbulence%20type%3D%27fractalNoise%27%20baseFrequency%3D%270.6%27%20numOctaves%3D%272%27%20seed%3D%277%27%20stitchTiles%3D%27stitch%27%2F%3E%3CfeColorMatrix%20values%3D%270%200%200%200%200.722%200%200%200%200%200.263%200%200%200%200%200.310%2024%200%200%200%20-13.06%27%2F%3E%3C%2Ffilter%3E%3Crect%20width%3D%27100%25%27%20height%3D%27100%25%27%20filter%3D%27url%28%23n%29%27%2F%3E%3C%2Fsvg%3E");
  --fleck-white:url("data:image/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27140%27%20height%3D%27140%27%3E%3Cfilter%20id%3D%27n%27%3E%3CfeTurbulence%20type%3D%27fractalNoise%27%20baseFrequency%3D%270.8%27%20numOctaves%3D%272%27%20seed%3D%2719%27%20stitchTiles%3D%27stitch%27%2F%3E%3CfeColorMatrix%20values%3D%270%200%200%200%201.000%200%200%200%200%201.000%200%200%200%200%201.000%2024%200%200%200%20-14.21%27%2F%3E%3C%2Ffilter%3E%3Crect%20width%3D%27100%25%27%20height%3D%27100%25%27%20filter%3D%27url%28%23n%29%27%2F%3E%3C%2Fsvg%3E");
  color-scheme:light;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scrollbar-color:var(--rule) var(--bg)}
body{margin:0;background:var(--bg);color:var(--ink);font:400 var(--text-size)/1.6 var(--text);caret-color:var(--blue);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
::selection{background:var(--select);color:var(--ink)}
h1,h2,h3{margin:0;line-height:1.1;text-wrap:balance;font-family:var(--serif);font-weight:700;font-optical-sizing:auto}
h1 em,h2 em{font-weight:400}
p{margin:0;text-wrap:pretty}
a{color:var(--blue);text-decoration-thickness:1px;text-underline-offset:.2em}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:2px}

/* Gradient fill across the word, darker blue on the left to brighter on the right */
.accent{color:var(--g-from);background:linear-gradient(var(--g-angle),var(--g-from) 12%,var(--g-to) 92%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  -webkit-box-decoration-break:clone;box-decoration-break:clone}
/* Highlighter stroke behind a word, like the knit of a marl jumper: pink with darker and white flecks,
   fading toward white on the right. The word itself stays ink. */
.mark{position:relative;z-index:0;white-space:nowrap;padding-inline:.06em}
.mark::before{content:"";position:absolute;z-index:-1;left:-.04em;right:-.06em;bottom:var(--mark-bottom,.36em);height:var(--mark-h,.32em);border-radius:.06em;
  background:var(--fleck-white),var(--fleck),linear-gradient(90deg,var(--mark) 0%,var(--mark) var(--fade-start),var(--mark-end) 100%);
  background-size:max(70px,.93em) max(70px,.93em),max(70px,.93em) max(70px,.93em),100% 100%}
/* In running text the band follows the body face instead of Bodoni */
p .mark{--mark-bottom:var(--text-mark-bottom);--mark-h:.42em}

.muted{color:var(--muted)}
.fine{font-size:.875rem;line-height:1.55;color:var(--muted)}
.ph{background:#fff1d6;outline:1px dashed #b4730d;border-radius:3px;padding:0 4px}

/* Single-column pages: privacy notice, tracker */
.page{max-width:42rem;margin:0 auto;padding:clamp(24px,5vw,56px) max(16px,env(safe-area-inset-right,0px)) 80px max(16px,env(safe-area-inset-left,0px))}
.page-home{display:inline-block;font-family:var(--serif);font-weight:700;font-size:1.25rem;color:var(--ink);text-decoration:none;margin-bottom:clamp(40px,8vw,72px)}
.page h1{font-size:clamp(2.5rem,7vw,3.75rem);letter-spacing:-.02em;margin-bottom:12px}
.page h2{font-size:1.625rem;margin:48px 0 12px}
.page p+p{margin-top:12px}
.page footer{margin-top:64px;padding-top:24px;border-top:1px solid var(--rule)}

/* "Want the next one?" email sign-up (Kit form 10127868, "New explainers"), on the homepage and each explainer */
.signup{margin-top:clamp(40px,6vw,64px);padding:clamp(22px,3.5vw,32px);border-radius:14px;background:#fff;
  box-shadow:0 0 0 1px var(--rule),0 10px 30px -12px rgba(11,18,32,.18)}
.signup h2{font-size:clamp(1.6rem,2.4vw,2.05rem);letter-spacing:-.01em;line-height:1.15}
.signup>p:first-of-type{margin-top:10px;max-width:60ch}
.signup-form{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.signup-form input{flex:1 1 240px;min-width:0;font:inherit;font-size:1rem;padding:11px 16px;border-radius:999px;border:1px solid #c5ccd8;background:#fff;color:var(--ink)}
.signup-form input:focus{outline:2px solid var(--blue);outline-offset:1px;border-color:var(--blue)}
.signup-form[hidden]{display:none}
.signup-form button{flex:0 0 auto;font:inherit;font-size:1rem;font-weight:700;padding:11px 22px;border:0;border-radius:999px;background:var(--blue);color:#fff;cursor:pointer;
  transition:transform .35s cubic-bezier(.16,1,.3,1),box-shadow .2s}
.signup-form button:hover{transform:translateY(-1px);box-shadow:0 6px 16px -6px rgba(39,66,216,.6)}
.signup-form button:disabled{opacity:.6;cursor:wait;transform:none}
@media (max-width:480px){.signup-form button{flex-basis:100%}}
.signup-note{margin-top:12px;font-size:.875rem;color:var(--muted)}
.signup .sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}