/* myvoteforward.org stylesheet.
 * EVERY color is a var(--mvf-*) token. The :root block below is generated by build.mjs from
 * brand/brand.json (the static fallback); functions/_middleware.js overrides it at request time
 * with the theme the Observatory published to KV. No hardcoded color islands: if you need a color,
 * use a token. Derived tokens (--mvf-onAccent, --mvf-footerInk) are fixed contrast partners.
 * Color meaning: docs/color-system.md (one hue per framework part, data-part="priority|opinion|vote"). */

/* MVF-TOKENS:START (generated from brand/brand.json) */
:root{
  --mvf-canvas:#FBF7F0;
  --mvf-surface:#FFFFFF;
  --mvf-wash:#F3EDE2;
  --mvf-ink:#1A2238;
  --mvf-inkSoft:#3A4257;
  --mvf-muted:#636A7C;
  --mvf-line:#E4DCCD;
  --mvf-accent:#0A47B8;
  --mvf-accentDeep:#08337F;
  --mvf-gold:#B7832F;
  --mvf-focus:#1D5FD1;
  --mvf-success:#2E7D4F;
  --mvf-warning:#9A6200;
  --mvf-error:#B3261E;
  --mvf-footerBg:#0F1D3F;
  --mvf-footerLine:#26345A;
  --mvf-footerMuted:#B8C1D6;
  --mvf-priority:#B5701A;
  --mvf-priorityDeep:#8A5210;
  --mvf-priorityTint:#F6ECDC;
  --mvf-opinion:#1F7A86;
  --mvf-opinionDeep:#1B5A60;
  --mvf-opinionTint:#E2F0F1;
  --mvf-vote:#5E4A9C;
  --mvf-voteDeep:#4A3A80;
  --mvf-voteTint:#EDE9F6;
  --mvf-brandRed:#D7192A;
  --mvf-brandBlue:#0A47B8;
  --mvf-onAccent:#FFFFFF;
  --mvf-footerInk:#FFFFFF;
}
/* MVF-TOKENS:END */

@font-face{font-family:"Inter";font-style:normal;font-weight:400 700;font-display:swap;src:url(/fonts/Inter-var-latin.woff2) format("woff2")}
@font-face{font-family:"Source Serif 4";font-style:normal;font-weight:400 700;font-display:swap;src:url(/fonts/SourceSerif4-var-latin.woff2) format("woff2")}

:root{
  --mvf-sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --mvf-serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --mvf-radius:6px;
  --mvf-max:1240px;
  --mvf-measure:68ch;
  --mvf-header:72px;
  --part:var(--mvf-accent);
  --partDeep:var(--mvf-accentDeep);
  --partTint:var(--mvf-wash);
}
[data-part="priority"]{--part:var(--mvf-priority);--partDeep:var(--mvf-priorityDeep);--partTint:var(--mvf-priorityTint)}
[data-part="opinion"]{--part:var(--mvf-opinion);--partDeep:var(--mvf-opinionDeep);--partTint:var(--mvf-opinionTint)}
[data-part="vote"]{--part:var(--mvf-vote);--partDeep:var(--mvf-voteDeep);--partTint:var(--mvf-voteTint)}
[data-part="base"]{--part:var(--mvf-accent);--partDeep:var(--mvf-accentDeep);--partTint:var(--mvf-wash)}

/* ---------- base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{overflow-x:clip;-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-top:96px;scroll-behavior:smooth}
body{margin:0;background:var(--mvf-canvas);color:var(--mvf-ink);font-family:var(--mvf-sans);font-size:1.0625rem;line-height:1.65;overflow-x:hidden;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;font-feature-settings:"kern","liga"}
img{max-width:100%;height:auto;display:block}
picture{display:block}
.card-media picture,.part-media picture,.subject-media picture,.demo-media picture,.head-media picture,.mm-fimg picture,.promise-media picture{height:100%}
a{color:var(--mvf-accentDeep);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.2em;text-decoration-color:var(--mvf-line);transition:color .15s ease,text-decoration-color .15s ease}
a:hover{color:var(--mvf-accent);text-decoration-color:currentColor}
:focus-visible{outline:3px solid var(--mvf-focus);outline-offset:2px;border-radius:2px}
h1,h2,h3,h4{font-family:var(--mvf-serif);color:var(--mvf-ink);line-height:1.15;font-weight:600;letter-spacing:-.012em;text-wrap:balance}
h1{font-size:clamp(2.2rem,4.4vw,3.6rem);margin:.15em 0 .35em;letter-spacing:-.02em}
h2{font-size:clamp(1.6rem,2.6vw,2.25rem);margin:2em 0 .55em}
h3{font-size:1.3rem;margin:1.7em 0 .45em}
h4{font-size:1.1rem}
p,ul,ol,table,blockquote,figure{margin:0 0 1.15em}
p{text-wrap:pretty}
ul,ol{padding-left:1.35em}
li{margin:.35em 0}
li::marker{color:var(--mvf-muted)}
hr{border:0;border-top:1px solid var(--mvf-line);margin:2.5em 0}
code{font-size:.9em;background:var(--mvf-wash);padding:.1em .35em;border-radius:4px}
table{border-collapse:collapse;width:100%;font-size:.95rem;font-family:var(--mvf-sans)}
th,td{border-bottom:1px solid var(--mvf-line);padding:11px 12px;text-align:left;vertical-align:top}
thead th{border-bottom:2px solid var(--mvf-ink);font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;color:var(--mvf-inkSoft);font-weight:600}
tbody th{font-weight:600}
.table-wrap{overflow-x:auto;margin:0 0 1.4em}
.table-wrap table{margin:0}
.container{max-width:var(--mvf-max);margin:0 auto;padding-left:32px;padding-right:32px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--mvf-surface);color:var(--mvf-ink);padding:10px 14px;z-index:200}
.skip-link:focus{left:12px;top:12px}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
main:focus{outline:none}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 24px;border-radius:999px;font-weight:600;font-size:1rem;line-height:1.2;text-decoration:none;border:1.5px solid transparent;cursor:pointer;font-family:var(--mvf-sans);transition:background .15s ease,border-color .15s ease,color .15s ease,transform .15s ease}
.btn .arrow{width:16px;height:16px;transition:transform .2s ease}
.btn:hover .arrow{transform:translateX(3px)}
.btn--primary{background:var(--mvf-accent);color:var(--mvf-onAccent);border-color:var(--mvf-accent)}
.btn--primary:hover{background:var(--mvf-accentDeep);border-color:var(--mvf-accentDeep);color:var(--mvf-onAccent)}
.btn--ghost{background:transparent;color:var(--mvf-ink);border-color:var(--mvf-ink)}
.btn--ghost:hover{background:var(--mvf-ink);color:var(--mvf-canvas)}
.btn--sm{padding:10px 18px;font-size:.92rem}
.btn--full{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--mvf-sans);font-weight:600;font-size:.95rem;color:var(--partDeep);text-decoration:none}
.link-arrow .arrow{width:16px;height:16px;transition:transform .2s ease}
.link-arrow:hover{color:var(--partDeep);text-decoration:underline}
.link-arrow:hover .arrow{transform:translateX(3px)}

/* ---------- kickers, small caps, rules ---------- */
.kicker,.eyebrow{display:flex;align-items:center;gap:12px;font-family:var(--mvf-sans);font-size:.76rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--partDeep);margin:0 0 14px}
.kicker::before,.eyebrow::before{content:"";width:28px;height:2px;background:var(--part);flex:none}
.lede{font-size:1.22rem;line-height:1.6;color:var(--mvf-inkSoft);max-width:44em}
.wordmark{font-family:var(--mvf-serif);font-weight:700;font-size:1.35rem;color:var(--mvf-ink);letter-spacing:-.01em;white-space:nowrap}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:var(--mvf-surface);border-bottom:1px solid var(--mvf-line)}
/* the brand stripe: red, a hairline of paper, blue, exactly as in the mark. Always the pair, never one alone. */
.site-header::before,.site-footer::before{content:"";display:block;height:4px;background:linear-gradient(var(--mvf-brandRed) 0 45%,var(--mvf-canvas) 45% 62%,var(--mvf-brandBlue) 62% 100%)}
.star{display:inline-block;width:14px;height:14px;background:var(--part);clip-path:polygon(50% 0%,61.2% 34.5%,97.6% 34.5%,68.2% 55.9%,79.4% 90.5%,50% 69.1%,20.6% 90.5%,31.8% 55.9%,2.4% 34.5%,38.8% 34.5%)}
.header-inner{max-width:1400px;margin:0 auto;height:var(--mvf-header);padding:0 32px;display:flex;align-items:center;gap:28px}
.site-logo{display:flex;align-items:center;flex:0 1 auto;min-width:0;text-decoration:none}
.site-logo img{height:30px;width:auto}
.primary-nav{display:flex;align-items:stretch;gap:2px;margin:0 auto;height:100%}
.nav-item{position:relative;display:flex;align-items:center}
.nav-link{display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 13px;border-radius:999px;font-weight:550;font-size:.95rem;color:var(--mvf-ink);text-decoration:none;white-space:nowrap}
.nav-caret{width:12px;height:12px;color:var(--mvf-muted);transition:transform .2s ease}
.nav-item:hover .nav-link,.nav-item:focus-within .nav-link{background:var(--mvf-wash);color:var(--mvf-ink)}
.nav-item:hover .nav-caret,.nav-item:focus-within .nav-caret{transform:rotate(180deg)}
.nav-link[aria-current]{box-shadow:inset 0 -2px 0 var(--part)}
.header-cta{display:flex;align-items:center;gap:10px;flex:none}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--mvf-line);background:var(--mvf-surface);border-radius:999px;cursor:pointer;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--mvf-ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- mega-menu: photo feature card + sideways columns ---------- */
.mega-menu{position:absolute;top:100%;padding-top:10px;width:max-content;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .16s ease,transform .16s ease,visibility 0s linear .16s;z-index:120}
.nav-item:hover .mega-menu,.nav-item:focus-within .mega-menu{opacity:1;visibility:visible;pointer-events:auto;transition:opacity .16s ease,transform .16s ease}
.mega-menu-inner{display:flex;align-items:stretch;background:var(--mvf-surface);border:1px solid var(--mvf-line);border-top:3px solid var(--part);border-radius:0 0 10px 10px;box-shadow:0 30px 60px -28px color-mix(in srgb,var(--mvf-ink) 35%,transparent),0 4px 14px -6px color-mix(in srgb,var(--mvf-ink) 12%,transparent);overflow:hidden}
.mm-feature{flex:0 0 268px;display:flex;flex-direction:column;background:var(--partTint);text-decoration:none;color:var(--mvf-ink)}
.mm-fimg{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--mvf-wash)}
.mm-fimg img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.mm-feature:hover .mm-fimg img{transform:scale(1.04)}
.mm-fbody{display:flex;flex-direction:column;gap:6px;padding:16px 20px 18px}
.mm-flabel{font-size:.7rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--partDeep)}
.mm-ftitle{font-family:var(--mvf-serif);font-size:1.18rem;font-weight:600;line-height:1.22;letter-spacing:-.01em}
.mm-fdesc{font-size:.86rem;line-height:1.45;color:var(--mvf-inkSoft)}
.mm-fcta{display:inline-flex;align-items:center;gap:6px;margin-top:4px;font-size:.86rem;font-weight:600;color:var(--partDeep)}
.mm-fcta .arrow{width:14px;height:14px;transition:transform .2s ease}
.mm-feature:hover .mm-fcta .arrow{transform:translateX(3px)}
.mm-cols{display:flex;gap:4px;padding:18px 16px 16px 14px}
.mm-list{flex-shrink:0;width:244px;display:flex;flex-direction:column}
.mm-glabel{display:block;font-size:.7rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--mvf-muted);padding:0 10px 8px;margin-bottom:4px;border-bottom:1px solid var(--mvf-line)}
.mm-row{display:flex;align-items:center;gap:12px;padding:7px 10px;border-radius:6px;text-decoration:none;color:var(--mvf-ink)}
.mm-row:hover,.mm-row:focus-visible{background:var(--mvf-wash);color:var(--mvf-ink)}
.mm-text{display:flex;flex-direction:column;min-width:0}
.mm-tt{font-size:.92rem;font-weight:600;line-height:1.3}
.mm-ds{font-size:.8rem;line-height:1.35;color:var(--mvf-muted);margin-top:1px}
.mm-row:hover .mm-tt{color:var(--partDeep)}
.mm-thumb{flex:none;width:44px;height:44px;border-radius:6px;overflow:hidden;background:var(--mvf-wash)}
.mm-thumb img{width:100%;height:100%;object-fit:cover}
.mm-dot{flex:none;width:16px;height:16px;background:var(--part);clip-path:polygon(50% 0%,61.2% 34.5%,97.6% 34.5%,68.2% 55.9%,79.4% 90.5%,50% 69.1%,20.6% 90.5%,31.8% 55.9%,2.4% 34.5%,38.8% 34.5%);margin:0 2px}

/* ---------- mobile nav (accordion) ---------- */
.mobile-nav{display:none}
@media (max-width:1180px){
  .primary-nav{display:none}
  .menu-toggle{display:inline-flex}
  .header-cta{margin-left:auto}
  .mobile-nav{position:fixed;inset:calc(var(--mvf-header) + 4px) 0 0 0;background:var(--mvf-canvas);overflow-y:auto;padding:12px 24px 40px;border-top:1px solid var(--mvf-line);z-index:99;overscroll-behavior:contain}
  .mobile-nav.open{display:block}
  .mnav-group{border-bottom:1px solid var(--mvf-line)}
  .mnav-group summary{list-style:none;display:flex;align-items:center;justify-content:space-between;padding:16px 4px;font-family:var(--mvf-serif);font-size:1.3rem;font-weight:600;cursor:pointer;min-height:48px}
  .mnav-group summary::-webkit-details-marker{display:none}
  .mnav-group summary::before{content:"";width:12px;height:12px;background:var(--part);margin-right:12px;flex:none;clip-path:polygon(50% 0%,61.2% 34.5%,97.6% 34.5%,68.2% 55.9%,79.4% 90.5%,50% 69.1%,20.6% 90.5%,31.8% 55.9%,2.4% 34.5%,38.8% 34.5%)}
  .mnav-group summary svg{width:16px;height:16px;margin-left:auto;transition:transform .2s ease;color:var(--mvf-muted)}
  .mnav-group[open] summary svg{transform:rotate(180deg)}
  .mnav-links{padding:0 4px 18px 24px}
  .mnav-links a{display:block;padding:9px 0;color:var(--mvf-ink);text-decoration:none;font-size:1rem}
  .mnav-links a.mnav-feature{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--partDeep);padding:4px 0 10px}
  .mnav-links .arrow{width:14px;height:14px}
  .mnav-label{font-size:.7rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--mvf-muted);margin:12px 0 2px}
  .mnav-extra{display:flex;gap:20px;padding:18px 4px}
  .mnav-extra a{color:var(--mvf-inkSoft)}
  .mobile-cta{padding:8px 0 0}
}
@media (max-width:640px){
  .header-cta .btn{display:none}
  .header-inner{padding:0 16px;gap:12px}
  .site-logo img{height:26px}
  .mobile-nav{padding:8px 16px 40px}
}
body.nav-open{overflow:hidden}

/* ---------- homepage hero: full-bleed light photo, warm paper fade, never dark ---------- */
.mvf-hero{position:relative;background:var(--mvf-canvas);overflow:hidden;min-height:min(78vh,760px);display:flex;align-items:stretch;border-bottom:1px solid var(--mvf-line)}
.hero-media{position:absolute;inset:0;margin:0;z-index:0}
.hero-media picture,.hero-media img{width:100%;height:100%}
.hero-media img{object-fit:cover;object-position:var(--mvf-focal,22% 30%)}
.hero-media::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(270deg,var(--mvf-canvas) 0%,var(--mvf-canvas) 34%,color-mix(in srgb,var(--mvf-canvas) 70%,transparent) 48%,transparent 64%);pointer-events:none}
.hero-media::after{content:"";position:absolute;inset:0;z-index:1;background:var(--mvf-canvas);opacity:var(--mvf-scrim,0);pointer-events:none}
.hero-media figcaption{position:absolute;left:14px;bottom:12px;z-index:2;background:var(--mvf-surface);color:var(--mvf-muted);font-size:.72rem;padding:3px 9px;border-radius:999px;opacity:.9}
.hero-media figcaption a{color:var(--mvf-muted)}
.mvf-hero .container{position:relative;z-index:2;width:100%;max-width:1400px;display:flex;align-items:center;justify-content:flex-end;padding-top:72px;padding-bottom:88px}
.hero-copy{max-width:580px;width:46%}
.mvf-hero .eyebrow{--part:var(--mvf-gold)}
.mvf-hero h1{font-size:clamp(2.7rem,5.6vw,4.6rem);line-height:1.02;margin:.1em 0 .32em;letter-spacing:-.028em}
.hero-h1-line{display:block}
.decoder{font-size:clamp(1.15rem,1.7vw,1.38rem);line-height:1.5;color:var(--mvf-inkSoft);margin:0 0 1.6em;max-width:30em}
.hero-ctas{display:flex;flex-wrap:wrap;gap:12px;margin:0 0 18px}
.hero-status{display:flex;align-items:center;gap:8px;font-size:.92rem;color:var(--mvf-inkSoft);margin:0}
.hero-status svg{width:18px;height:18px;flex:none;color:var(--mvf-accent)}
.hero-parts{display:flex;gap:22px;flex-wrap:wrap;margin:34px 0 0;padding:18px 0 0;border-top:1px solid var(--mvf-line);max-width:520px;list-style:none;padding-left:0}
.hero-parts li{margin:0;display:flex;align-items:center;gap:9px;font-size:.88rem;font-weight:600;color:var(--mvf-inkSoft)}
.hero-parts li::before{content:"";width:14px;height:14px;background:var(--part);clip-path:polygon(50% 0%,61.2% 34.5%,97.6% 34.5%,68.2% 55.9%,79.4% 90.5%,50% 69.1%,20.6% 90.5%,31.8% 55.9%,2.4% 34.5%,38.8% 34.5%)}
.hero-type{display:none}
[data-mvf-variant="type"] .hero-media{display:none}
[data-mvf-variant="type"] .hero-type{display:flex}
.hero-type{position:absolute;left:6%;top:50%;transform:translateY(-50%);flex-direction:column;gap:16px;z-index:1}
.hero-type span{display:block;font-family:var(--mvf-serif);font-weight:600;font-size:clamp(1.6rem,3vw,2.6rem);line-height:1.1;color:var(--mvf-ink);padding-left:20px;border-left:6px solid var(--mvf-priority)}
.hero-type span:nth-child(2){border-left-color:var(--mvf-opinion)}
.hero-type span:nth-child(3){border-left-color:var(--mvf-vote)}
.hero-type small{display:block;font-size:.9rem;color:var(--mvf-muted);padding-left:26px}

/* ---------- homepage bands ---------- */
.band{padding:104px 0}
.band--tight{padding:72px 0}
.band--wash{background:var(--mvf-wash)}
.band--surface{background:var(--mvf-surface);border-top:1px solid var(--mvf-line);border-bottom:1px solid var(--mvf-line)}
.band h2{margin-top:0}
.band-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:end;margin-bottom:48px}
.band-head h2{margin:0;font-size:clamp(1.9rem,3.2vw,2.8rem)}
.band-head .lede{margin:0;font-size:1.12rem}
.band-head--stack{display:block;max-width:820px}
.band-head--stack .lede{margin-top:14px}
.band-foot{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:40px}

/* three parts */
.parts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;counter-reset:part}
.part{display:flex;flex-direction:column;background:var(--mvf-surface);border:1px solid var(--mvf-line);border-top:4px solid var(--part);border-radius:0 0 8px 8px;overflow:hidden}
.part-media{aspect-ratio:3/2;overflow:hidden;background:var(--mvf-wash)}
.part-media img{width:100%;height:100%;object-fit:cover}
.part-body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1}
.part-num{display:flex;align-items:center;gap:8px;font-family:var(--mvf-sans);font-size:.74rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--partDeep)}
.part-num::before{content:"";width:18px;height:18px;background:var(--part);clip-path:polygon(50% 0%,61.2% 34.5%,97.6% 34.5%,68.2% 55.9%,79.4% 90.5%,50% 69.1%,20.6% 90.5%,31.8% 55.9%,2.4% 34.5%,38.8% 34.5%)}
.part h3{font-size:1.65rem;margin:.15em 0 .45em}
.part p{color:var(--mvf-inkSoft);font-size:1rem}
.part .rule{display:flex;align-items:center;gap:10px;margin:auto 0 16px;padding:12px 14px;background:var(--partTint);border-radius:6px;font-size:.88rem;font-weight:600;color:var(--partDeep)}
.part .rule svg{width:18px;height:18px;flex:none}

/* editorial split: copy + pull quote */
.split{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:72px;align-items:start}
.split .prose p{font-family:var(--mvf-serif);font-size:1.18rem;line-height:1.7}
.example{position:relative;margin:0;padding:34px 34px 30px;background:var(--mvf-surface);border:1px solid var(--mvf-line);border-radius:8px}
.example .kicker{margin-bottom:12px}
.example p{font-family:var(--mvf-serif);font-size:1.28rem;line-height:1.5;color:var(--mvf-ink);margin:0 0 .8em}
.example p:last-child{margin:0}
.example-pair{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:18px 0 0}
.example-pair div{padding:14px;border-radius:6px;background:var(--partTint);font-size:.9rem;line-height:1.45}
.example-pair strong{display:block;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--partDeep);margin-bottom:4px}

/* lifecycle timeline */
.timeline{list-style:none;padding:0;margin:40px 0 0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;counter-reset:step;position:relative}
.timeline::before{content:"";position:absolute;left:0;right:0;top:15px;height:2px;background:var(--mvf-line)}
.timeline li{position:relative;margin:0;padding:44px 18px 0 0;counter-increment:step}
.timeline li::before{content:counter(step);position:absolute;top:0;left:0;width:32px;height:32px;border-radius:50%;background:var(--mvf-canvas);border:2px solid var(--mvf-accent);color:var(--mvf-accentDeep);font-weight:700;font-size:.85rem;display:flex;align-items:center;justify-content:center}
.timeline strong{display:block;font-family:var(--mvf-serif);font-size:1.15rem;margin-bottom:6px}
.timeline span{display:block;font-size:.92rem;color:var(--mvf-inkSoft);line-height:1.5}

/* cards (shared by homepage, hubs, related) */
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px 24px}
.cards--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.cards--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{display:flex;flex-direction:column;text-decoration:none;color:var(--mvf-ink);background:var(--mvf-surface);border:1px solid var(--mvf-line);border-radius:8px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.card:hover{border-color:var(--part);box-shadow:0 18px 40px -26px color-mix(in srgb,var(--mvf-ink) 45%,transparent);transform:translateY(-2px);color:var(--mvf-ink)}
.card-media{display:block;aspect-ratio:3/2;overflow:hidden;background:var(--mvf-wash)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.card:hover .card-media img{transform:scale(1.035)}
.card-media--fig{background:var(--mvf-surface);padding:12px}
.card-media--fig img{object-fit:contain}
.card-body{display:flex;flex-direction:column;gap:8px;padding:20px 22px 22px;flex:1}
.card--type{border-top:3px solid var(--part)}
.card-kicker{font-size:.7rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--partDeep)}
.card-title{font-family:var(--mvf-serif);font-size:1.28rem;font-weight:600;line-height:1.22;letter-spacing:-.01em}
.card:hover .card-title{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.18em;text-decoration-color:var(--part)}
.card-desc{font-size:.93rem;line-height:1.5;color:var(--mvf-inkSoft)}
.card-meta{margin-top:auto;padding-top:6px;font-size:.8rem;color:var(--mvf-muted)}
.card--big{grid-column:span 2;flex-direction:row}
.card--big .card-media{flex:0 0 58%;aspect-ratio:auto;min-height:320px}
.card--big .card-body{padding:32px 34px;justify-content:center}
.card--big .card-title{font-size:1.9rem}
.card--big .card-desc{font-size:1.02rem}

/* problems list (numbered, editorial) */
.problem-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 40px;counter-reset:prob}
.problem-list li{margin:0;border-top:1px solid var(--mvf-line);counter-increment:prob}
.problem-list a{display:grid;grid-template-columns:44px 1fr;gap:4px 8px;padding:20px 0 22px;text-decoration:none;color:var(--mvf-ink)}
.problem-list a::before{content:counter(prob,decimal-leading-zero);grid-row:span 2;font-family:var(--mvf-serif);font-size:1.05rem;color:var(--mvf-priorityDeep);padding-top:2px}
.problem-list strong{font-family:var(--mvf-serif);font-size:1.22rem;font-weight:600;line-height:1.25}
.problem-list span{font-size:.92rem;color:var(--mvf-inkSoft);line-height:1.5}
.problem-list a:hover strong{color:var(--mvf-priorityDeep);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.18em}

/* subjects mosaic */
.subjects{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px}
.subject{position:relative;display:block;text-decoration:none;color:var(--mvf-ink)}
.subject-media{display:block;aspect-ratio:4/5;border-radius:8px;overflow:hidden;background:var(--mvf-wash)}
.subject-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.subject:hover .subject-media img{transform:scale(1.05)}
.subject-name{display:block;margin-top:12px;font-family:var(--mvf-serif);font-size:1.12rem;font-weight:600;line-height:1.25}
.subject-sub{display:block;font-size:.84rem;color:var(--mvf-muted);margin-top:2px}
.subject:hover .subject-name{color:var(--mvf-priorityDeep)}

/* hard questions */
.qgrid{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 56px}
.qgrid li{margin:0;padding:22px 0;border-top:1px solid var(--mvf-line)}
.qgrid strong{display:block;font-family:var(--mvf-serif);font-size:1.22rem;margin-bottom:4px}
.qgrid p{margin:0 0 6px;color:var(--mvf-inkSoft);font-size:.98rem}

/* trust promise */
.promise{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:0;background:var(--mvf-surface);border:1px solid var(--mvf-line);border-radius:10px;overflow:hidden}
.promise-media{min-height:100%;background:var(--mvf-wash)}
.promise-media picture,.promise-media img{width:100%;height:100%;object-fit:cover}
.promise-body{padding:56px 56px 52px}
.promise-body h2{margin:0 0 .5em;font-size:clamp(1.8rem,2.8vw,2.5rem)}
.rules{list-style:none;padding:0;margin:28px 0 30px}
.rules li{display:grid;grid-template-columns:150px 1fr;gap:16px;align-items:baseline;margin:0;padding:14px 0;border-top:1px solid var(--mvf-line)}
.rules li:last-child{border-bottom:1px solid var(--mvf-line)}
.rules b{display:flex;align-items:center;gap:9px;font-size:.92rem;color:var(--partDeep)}
.rules b::before{content:"";width:14px;height:14px;background:var(--part);flex:none;clip-path:polygon(50% 0%,61.2% 34.5%,97.6% 34.5%,68.2% 55.9%,79.4% 90.5%,50% 69.1%,20.6% 90.5%,31.8% 55.9%,2.4% 34.5%,38.8% 34.5%)}
.rules span{font-family:var(--mvf-serif);font-size:1.08rem}

/* library groups */
.library{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:40px 32px}
.lib-group h3{font-family:var(--mvf-sans);font-size:.74rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--partDeep);margin:0 0 6px;padding-bottom:10px;border-bottom:2px solid var(--part)}
.lib-group ul{list-style:none;padding:0;margin:0}
.lib-group li{margin:0;border-bottom:1px solid var(--mvf-line)}
.lib-group a{display:block;padding:11px 0;text-decoration:none;color:var(--mvf-ink);font-family:var(--mvf-serif);font-size:1.05rem;line-height:1.3}
.lib-group a:hover{color:var(--partDeep)}
.lib-group a small{display:block;font-family:var(--mvf-sans);font-size:.78rem;color:var(--mvf-muted);margin-top:2px}

/* demo band */
.demo{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:64px;align-items:center}
.demo-media{border-radius:10px;overflow:hidden;aspect-ratio:3/2;background:var(--mvf-wash)}
.demo-media img{width:100%;height:100%;object-fit:cover}
.status-rows{list-style:none;padding:0;margin:24px 0 28px}
.status-rows li{display:grid;grid-template-columns:150px 1fr;gap:14px;margin:0;padding:14px 0;border-top:1px solid var(--mvf-line);font-size:.95rem;color:var(--mvf-inkSoft)}
.status-rows li b{color:var(--mvf-ink)}
.status-rows .pill{margin-bottom:6px}

/* credibility strip */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-top:2px solid var(--mvf-ink);border-bottom:1px solid var(--mvf-line)}
.stat{padding:28px 24px 26px 0}
.stat+.stat{padding-left:24px;border-left:1px solid var(--mvf-line)}
.stat b{display:block;font-family:var(--mvf-serif);font-size:clamp(2.2rem,3.6vw,3.2rem);font-weight:600;line-height:1;letter-spacing:-.02em}
.stat span{display:block;margin-top:10px;font-size:.9rem;color:var(--mvf-inkSoft);line-height:1.45}
.method{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;margin-top:40px}
.method h3{font-size:1.15rem;margin:0 0 .35em}
.method p{font-size:.95rem;color:var(--mvf-inkSoft);margin:0}

/* about */
.about{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:72px}
.about .prose p{font-family:var(--mvf-serif);font-size:1.14rem;line-height:1.7}

/* ---------- page head (chapters, hubs, own pages) ---------- */
.page-head{background:var(--mvf-canvas);border-bottom:1px solid var(--mvf-line);padding:28px 0 44px}
.page-head .container{max-width:var(--mvf-max)}
.crumbs{font-size:.84rem;color:var(--mvf-muted);margin:0 0 28px}
.crumbs ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px}
.crumbs li{margin:0}
.crumbs li+li::before{content:"/";margin-right:6px;color:var(--mvf-line)}
.crumbs a{color:var(--mvf-muted);text-decoration:none}
.crumbs a:hover{color:var(--mvf-accentDeep);text-decoration:underline}
.page-head h1{max-width:20em;margin:0 0 .3em}
.standfirst{font-family:var(--mvf-serif);font-size:clamp(1.2rem,1.8vw,1.42rem);line-height:1.5;color:var(--mvf-inkSoft);max-width:38em;margin:0}
.meta-row{display:flex;flex-wrap:wrap;gap:6px 22px;margin:24px 0 0;padding:0;list-style:none;font-size:.86rem;color:var(--mvf-muted)}
.meta-row li{margin:0;display:flex;align-items:center;gap:7px}
.meta-row svg{width:15px;height:15px;color:var(--mvf-muted)}
.page-head--split .container{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px;align-items:end}
.head-media{margin:0;border-radius:8px;overflow:hidden;aspect-ratio:3/2;background:var(--mvf-wash);position:relative}
.head-media img{width:100%;height:100%;object-fit:cover}
.head-media figcaption{position:absolute;right:10px;bottom:10px;background:var(--mvf-surface);color:var(--mvf-muted);font-size:.7rem;padding:2px 8px;border-radius:999px;opacity:.9}

/* ---------- chapter body ---------- */
.article-grid{display:grid;grid-template-columns:220px minmax(0,var(--mvf-measure)) minmax(0,1fr);gap:56px;padding-top:48px;padding-bottom:80px}
.article-body{min-width:0;grid-column:2;font-family:var(--mvf-serif);font-size:1.16rem;line-height:1.72;color:var(--mvf-ink)}
.article-body>p:first-of-type::first-letter{font-size:inherit}
.article-body h2{position:relative;font-size:clamp(1.55rem,2.3vw,1.95rem);margin:2.3em 0 .7em;padding-top:1.1em;border-top:1px solid var(--mvf-line);scroll-margin-top:96px}
.article-body h3{font-size:1.32rem;scroll-margin-top:96px}
.article-body h4{font-family:var(--mvf-sans);font-size:1rem}
.article-body ul,.article-body ol{padding-left:1.25em}
.article-body li{margin:.45em 0}
.article-body table,.article-body .table-wrap{font-size:.92rem}
.article-body a{text-decoration-color:color-mix(in srgb,var(--mvf-accent) 45%,transparent)}
.article-body strong{font-weight:650}
.article-body .anchor{margin-left:10px;font-size:.62em;text-decoration:none;color:var(--mvf-muted);opacity:0;font-family:var(--mvf-sans)}
.article-body .anchor::before{content:"#"}
.article-body h2:hover .anchor,.article-body h3:hover .anchor,.article-body .anchor:focus{opacity:1}
.article-body blockquote{margin:2em 0;padding:0 0 0 26px;border-left:3px solid var(--part);font-size:1.32rem;line-height:1.5;font-style:italic;color:var(--mvf-ink)}
.article-body blockquote p{margin:0 0 .5em}
.article-body blockquote p:last-child{margin:0}
.article-body .pullquote{margin:2.2em 0;padding:26px 0;border-top:2px solid var(--part);border-bottom:1px solid var(--mvf-line);font-size:1.6rem;line-height:1.35;font-style:normal;color:var(--partDeep);border-left:0}
sup.cite{line-height:0;font-family:var(--mvf-sans);font-size:.62em;font-weight:600;margin-left:1px}
sup.cite a{display:inline-block;min-width:1.5em;padding:.1em .35em;border-radius:999px;background:var(--partTint);color:var(--partDeep);text-decoration:none;text-align:center}
sup.cite a:hover{background:var(--part);color:var(--mvf-surface)}
sup.cite+sup.cite{margin-left:2px}
.inbrief{margin:0 0 2.4em;padding:26px 28px 24px;background:var(--partTint);border-radius:8px;font-family:var(--mvf-sans)}
.inbrief h2{font-family:var(--mvf-sans)!important;font-size:.74rem!important;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--partDeep);margin:0 0 16px!important;padding:0!important;border:0!important}
.inbrief dl{margin:0;display:grid;gap:16px}
.inbrief dt{font-size:.78rem;font-weight:700;color:var(--mvf-inkSoft);letter-spacing:.04em;margin-bottom:2px}
.inbrief dd{margin:0;font-family:var(--mvf-serif);font-size:1.15rem;line-height:1.5;color:var(--mvf-ink)}
.inbrief dd.thesis{font-size:1.08rem}
.limits{margin:2.6em 0;padding:4px 30px 18px;background:var(--mvf-surface);border:1px solid var(--mvf-line);border-left:4px solid var(--mvf-accent);border-radius:0 8px 8px 0;font-size:1.06rem}
.limits h2{border-top:0!important;padding-top:.8em!important;margin-top:0!important;font-size:1.4rem!important;display:flex;align-items:center;gap:12px}
.limits h2::before{content:"i";flex:none;width:26px;height:26px;border-radius:50%;background:var(--mvf-accent);color:var(--mvf-onAccent);font:italic 700 15px/26px var(--mvf-serif);text-align:center}
.sources-section{margin-top:3em;font-family:var(--mvf-sans)}
.sources-section h2{font-family:var(--mvf-serif)}
.sources-list{font-family:var(--mvf-sans);font-size:.9rem;line-height:1.55;color:var(--mvf-inkSoft);padding-left:0;list-style:none;counter-reset:src}
.sources-list li{position:relative;padding:10px 0 10px 44px;margin:0;border-bottom:1px solid var(--mvf-line);scroll-margin-top:110px;overflow-wrap:anywhere}
ol.sources-list>li{counter-increment:src}
ol.sources-list>li:not([data-n])::before{content:counter(src)}
.sources-list li::before,.sources-list li[data-n]::before{position:absolute;left:0;top:10px;width:30px;font-weight:700;color:var(--partDeep);text-align:right}
.sources-list li[data-n]::before{content:attr(data-n)}
.sources-list li:target{background:var(--partTint)}
.sources-list a{color:var(--mvf-ink)}
.fig{margin:2.4em 0;font-family:var(--mvf-sans)}
.fig img{width:100%;height:auto;background:var(--mvf-surface);border:1px solid var(--mvf-line);border-radius:8px;padding:16px}
.fig figcaption{margin-top:10px;font-size:.88rem;line-height:1.5;color:var(--mvf-muted);padding-left:14px;border-left:2px solid var(--part)}
.fig--wide{margin-left:-6%;margin-right:-6%}

/* TOC (left rail) and aside */
.toc-rail{grid-column:1;grid-row:1;font-family:var(--mvf-sans);font-size:.86rem}
.toc-inner{position:sticky;top:104px;max-height:calc(100vh - 130px);overflow:auto}
.toc-inner h2{font-family:var(--mvf-sans);font-size:.7rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--mvf-muted);margin:0 0 12px}
.toc-inner ol{list-style:none;padding:0;margin:0 0 24px;border-left:1px solid var(--mvf-line)}
.toc-inner li{margin:0}
.toc-inner a{display:block;padding:6px 0 6px 14px;margin-left:-1px;border-left:2px solid transparent;color:var(--mvf-inkSoft);text-decoration:none;line-height:1.35}
.toc-inner a:hover{color:var(--mvf-ink)}
.toc-inner a.is-active{border-left-color:var(--part);color:var(--partDeep);font-weight:600}
.toc-meta{font-size:.82rem;color:var(--mvf-muted);border-top:1px solid var(--mvf-line);padding-top:14px}
.toc-meta p{margin:0 0 6px}
.toc-meta a{color:var(--mvf-inkSoft)}
.side-rail{grid-column:3;grid-row:1;font-family:var(--mvf-sans)}
.side-inner{position:sticky;top:104px}
.part-badge{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:700;letter-spacing:.06em;color:var(--partDeep);background:var(--partTint);border-radius:999px;padding:6px 12px}
.part-badge::before{content:"";width:12px;height:12px;background:var(--part);clip-path:polygon(50% 0%,61.2% 34.5%,97.6% 34.5%,68.2% 55.9%,79.4% 90.5%,50% 69.1%,20.6% 90.5%,31.8% 55.9%,2.4% 34.5%,38.8% 34.5%)}
.side-note{margin-top:18px;font-size:.84rem;line-height:1.5;color:var(--mvf-muted);max-width:240px}

/* byline, prev/next, related */
.byline{margin-top:3.2em;padding:24px 0 0;border-top:2px solid var(--mvf-ink);font-family:var(--mvf-sans);font-size:.9rem}
.byline dl{display:grid;grid-template-columns:max-content 1fr;gap:8px 22px;margin:0}
.byline dt{color:var(--mvf-muted);font-weight:600}
.byline dd{margin:0;color:var(--mvf-inkSoft)}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:2.4em;font-family:var(--mvf-sans)}
.pager a{display:flex;flex-direction:column;gap:4px;padding:18px 20px;border:1px solid var(--mvf-line);border-radius:8px;text-decoration:none;color:var(--mvf-ink);background:var(--mvf-surface)}
.pager a:hover{border-color:var(--part)}
.pager small{font-size:.74rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--mvf-muted)}
.pager span{font-family:var(--mvf-serif);font-size:1.12rem;font-weight:600;line-height:1.3}
.pager .next{text-align:right;grid-column:2}
.related-band{background:var(--mvf-wash);border-top:1px solid var(--mvf-line);padding:72px 0 88px}
.related-band h2{margin:0 0 28px;font-size:1.8rem}

/* ---------- hubs ---------- */
.hub-essay{max-width:var(--mvf-measure);font-family:var(--mvf-serif);font-size:1.16rem;line-height:1.72}
.hub-grid-head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin:0 0 28px;padding-top:28px;border-top:2px solid var(--mvf-ink)}
.hub-grid-head h2{margin:0;font-size:1.8rem}
.hub-grid-head p{margin:0;color:var(--mvf-muted);font-size:.92rem}
.hub-section{padding:64px 0 96px}
.hub-section+.hub-section{padding-top:0}
.az{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 36px;padding:0;list-style:none}
.az li{margin:0}
.az a,.az span{display:inline-flex;width:38px;height:38px;align-items:center;justify-content:center;border:1px solid var(--mvf-line);border-radius:6px;font-family:var(--mvf-serif);font-weight:600;text-decoration:none;color:var(--mvf-ink);background:var(--mvf-surface)}
.az span{color:var(--mvf-line);background:transparent}
.az a:hover{border-color:var(--mvf-accent);color:var(--mvf-accentDeep)}
.az-letter{display:grid;grid-template-columns:80px 1fr;gap:24px;padding:24px 0;border-top:1px solid var(--mvf-line)}
.az-letter>h3{margin:0;font-size:2.4rem;line-height:1;color:var(--mvf-accentDeep)}
.az-terms{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 32px}
.az-terms li{margin:0}
.az-terms a{display:block;padding:8px 0;text-decoration:none;color:var(--mvf-ink)}
.az-terms a b{font-family:var(--mvf-serif);font-size:1.12rem;font-weight:600}
.az-terms a span{display:block;font-size:.86rem;color:var(--mvf-muted);line-height:1.4}
.az-terms a:hover b{color:var(--mvf-accentDeep);text-decoration:underline}

/* ---------- simple pages, forms, misc ---------- */
.page-body{max-width:var(--mvf-measure);padding:48px 0 88px;font-size:1.06rem}
.page-body h2{font-size:1.6rem}
.notice{background:var(--mvf-surface);border:1px solid var(--mvf-line);border-left:4px solid var(--mvf-gold);border-radius:0 8px 8px 0;padding:14px 18px;margin:0 0 1.4em}
.status-table td:first-child{font-weight:600;width:34%}
.pill{display:inline-block;font-size:.76rem;font-weight:700;border-radius:999px;padding:3px 10px;border:1px solid var(--mvf-line);background:var(--mvf-surface);color:var(--mvf-inkSoft);white-space:nowrap}
.pill--ok{color:var(--mvf-success)}
.pill--no{color:var(--mvf-error)}
.pill--wait{color:var(--mvf-warning)}
.glossary-term{scroll-margin-top:96px}
.chapter-group{font-family:var(--mvf-sans);font-size:.76rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--mvf-accentDeep);margin:32px 0 6px}
.chapter-group-lede{font-size:.9rem;color:var(--mvf-muted);margin:0 0 12px}
.chapter-list{list-style:none;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.chapter-list li{margin:0}
.chapter-list a{display:block;height:100%;background:var(--mvf-surface);border:1px solid var(--mvf-line);border-radius:8px;padding:18px 20px;text-decoration:none;color:var(--mvf-ink)}
.chapter-list a:hover{border-color:var(--mvf-accent)}
.chapter-list strong{display:block;font-family:var(--mvf-serif);font-size:1.15rem;margin-bottom:4px}
.chapter-list span{display:block;font-size:.9rem;color:var(--mvf-muted);line-height:1.5}
.sources-index li{margin:0 0 14px}
.sources-index .hint{font-size:.86rem;color:var(--mvf-muted)}
.credits-list{list-style:none;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 28px}
.credits-list li{display:grid;grid-template-columns:96px 1fr;gap:14px;margin:0;font-size:.88rem;line-height:1.45;color:var(--mvf-inkSoft)}
.credits-list img{width:96px;height:64px;object-fit:cover;border-radius:4px}
.form{display:grid;gap:18px;max-width:640px}
.field label{display:block;font-weight:600;margin-bottom:6px}
.field .hint{display:block;font-size:.88rem;color:var(--mvf-muted);font-weight:400;margin-top:2px}
.field input[type=text],.field input[type=email],.field input[type=url],.field select,.field textarea{width:100%;font:inherit;color:var(--mvf-ink);background:var(--mvf-surface);border:1.5px solid var(--mvf-line);border-radius:8px;padding:12px 13px}
.field textarea{min-height:160px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:3px solid var(--mvf-focus);outline-offset:1px;border-color:var(--mvf-focus)}
.check{display:flex;gap:10px;align-items:flex-start}
.check input{margin-top:5px;width:18px;height:18px;flex:none;accent-color:var(--mvf-accent)}
.hp{position:absolute!important;left:-10000px;width:1px;height:1px;overflow:hidden}
.form-msg{border-radius:8px;padding:14px 18px;margin:0 0 1.2em;border:1px solid var(--mvf-line);background:var(--mvf-surface)}
.form-msg--ok{border-left:5px solid var(--mvf-success)}
.form-msg--err{border-left:5px solid var(--mvf-error)}
.notfound{padding:96px 0}
.notfound-links{margin-top:28px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}

/* ---------- footer ---------- */
.site-footer{background:var(--mvf-footerBg);color:var(--mvf-footerMuted);font-size:.92rem;margin-top:0}
.site-footer a{color:var(--mvf-footerMuted);text-decoration:none}
.site-footer a:hover{color:var(--mvf-footerInk);text-decoration:underline}
.site-footer a:focus-visible{outline-color:var(--mvf-footerInk)}
.footer-top{display:grid;grid-template-columns:minmax(0,300px) minmax(0,1fr);gap:64px;padding-top:80px;padding-bottom:56px}
.footer-brand img{height:34px;width:auto}
.footer-tag{font-family:var(--mvf-serif);font-size:1.3rem;line-height:1.3;color:var(--mvf-footerInk);margin:22px 0 10px}
.footer-brand p{line-height:1.6}
.footer-parts{display:flex;flex-wrap:wrap;gap:8px 16px;margin-top:20px}
.footer-parts span{display:inline-flex;align-items:center;gap:7px;font-size:.8rem;color:var(--mvf-footerInk)}
.footer-parts span::before{content:"";width:13px;height:13px;background:var(--part);clip-path:polygon(50% 0%,61.2% 34.5%,97.6% 34.5%,68.2% 55.9%,79.4% 90.5%,50% 69.1%,20.6% 90.5%,31.8% 55.9%,2.4% 34.5%,38.8% 34.5%)}
.footer-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px 32px}
.footer-col h2{font-family:var(--mvf-sans);font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--mvf-footerInk);margin:0 0 14px}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin:0 0 9px;line-height:1.35}
.footer-mid{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;padding-top:28px;padding-bottom:28px;border-top:1px solid var(--mvf-footerLine)}
.footer-mid h2{font-family:var(--mvf-sans);font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--mvf-footerInk);margin:0 0 10px}
.footer-social{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px 18px}
.footer-social li{margin:0}
.footer-promise{max-width:420px;margin:0;font-size:.86rem;line-height:1.5;text-align:right}
.footer-legal{border-top:1px solid var(--mvf-footerLine)}
.footer-legal .container{padding-top:22px;padding-bottom:30px;font-size:.82rem;color:var(--mvf-footerMuted)}
.footer-legal p{margin:0 0 6px}
.footer-legal a{color:var(--mvf-footerInk);text-decoration:underline}

/* ---------- responsive ---------- */
@media (max-width:1240px){
  .article-grid{grid-template-columns:200px minmax(0,var(--mvf-measure));gap:48px}
  .side-rail{display:none}
}
@media (max-width:1100px){
  .library{grid-template-columns:repeat(2,minmax(0,1fr))}
  .subjects{grid-template-columns:repeat(3,minmax(0,1fr))}
  .cards--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-top{grid-template-columns:1fr;gap:40px}
}
@media (max-width:980px){
  .article-grid{grid-template-columns:minmax(0,1fr);gap:0;padding-top:28px}
  .article-body{grid-column:1}
  .toc-rail{grid-column:1;grid-row:auto;margin-bottom:28px}
  .toc-inner{position:static;max-height:none}
  .toc-h,.toc-list,.toc-meta{display:none}
  .toc-mobile{display:block!important;border:1px solid var(--mvf-line);border-radius:8px;background:var(--mvf-surface);padding:0 16px}
  .toc-mobile summary{padding:12px 0;font-weight:600;cursor:pointer;min-height:44px}
  .toc-mobile ol{margin:0 0 14px}
  .band-head,.split,.demo,.about,.promise,.page-head--split .container{grid-template-columns:minmax(0,1fr);gap:32px}
  .parts,.cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .problem-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .card--big{grid-column:1/-1}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat:nth-child(3){padding-left:0;border-left:0}
  .stat:nth-child(n+3){border-top:1px solid var(--mvf-line)}
  .method{grid-template-columns:minmax(0,1fr)}
  .timeline{grid-template-columns:minmax(0,1fr);gap:0}
  .timeline::before{left:15px;right:auto;top:0;bottom:0;width:2px;height:auto}
  .timeline li{padding:0 0 24px 52px}
  .promise-media{aspect-ratio:16/9}
  .promise-body{padding:36px 32px}
  .fig--wide{margin-left:0;margin-right:0}
}
.toc-mobile{display:none}
@media (max-width:860px){
  .mvf-hero{min-height:0;flex-direction:column}
  .hero-media{position:relative;inset:auto;aspect-ratio:4/3}
  .hero-media::before{background:linear-gradient(180deg,transparent 60%,var(--mvf-canvas) 100%);opacity:1}
  .mvf-hero .container{padding-top:4px;padding-bottom:52px;justify-content:flex-start}
  .hero-copy{width:auto}
  .hero-media figcaption{left:auto;right:10px}
  .hero-type{position:relative;right:auto;top:auto;transform:none;padding:32px 16px 0}
}
@media (max-width:640px){
  .container{padding-left:16px;padding-right:16px}
  body{font-size:1rem}
  .band{padding:68px 0}
  .band-head{margin-bottom:32px}
  .parts,.cards,.cards--2,.cards--4,.problem-list,.qgrid,.library,.az-terms,.credits-list{grid-template-columns:minmax(0,1fr)}
  .subjects{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
  .card--big{flex-direction:column}
  .card--big .card-media{flex:none;aspect-ratio:3/2;min-height:0}
  .card--big .card-body{padding:22px}
  .card--big .card-title{font-size:1.45rem}
  .hero-ctas .btn{flex:1 1 100%}
  .mvf-hero h1{font-size:2.6rem}
  .article-body{font-size:1.08rem;line-height:1.68}
  .article-body blockquote{font-size:1.18rem;padding-left:18px}
  .inbrief{padding:20px}
  .limits{padding:2px 18px 12px}
  .byline dl{grid-template-columns:minmax(0,1fr);gap:2px}
  .byline dd{margin-bottom:10px}
  .pager{grid-template-columns:1fr}
  .pager .next{grid-column:1}
  .rules li,.status-rows li{grid-template-columns:minmax(0,1fr);gap:4px}
  .example{padding:24px 20px}
  .example-pair{grid-template-columns:1fr}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 20px}
  .footer-mid{flex-direction:column;align-items:flex-start}
  .footer-promise{text-align:left}
  .az-letter{grid-template-columns:48px 1fr;gap:14px}
  .stat{padding:22px 12px 20px 0}
  .stat+.stat{padding-left:14px}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}html{scroll-behavior:auto}}
@media print{
  .site-header,.site-footer,.toc-rail,.side-rail,.related-band,.pager,.skip-link,.hero-media,.mega-menu{display:none!important}
  body{background:#fff;color:#000;font-size:11pt}
  a{color:#000;text-decoration:none}
  .page-head{border:0;padding:0 0 12pt}
  .article-grid{display:block;padding:0}
  .article-body{font-size:11pt;line-height:1.5}
  .article-body a[href^="http"]::after{content:" (" attr(href) ")";font-size:.8em;word-break:break-all}
  .inbrief,.limits{border:1pt solid #999;background:none}
  h2,h3{break-after:avoid}
  .sources-list li{break-inside:avoid}
}

/* grids without a TOC (notes, simple pages, short chapters): one centered column */
.article-grid:not(:has(.toc-rail)){grid-template-columns:minmax(0,var(--mvf-measure));justify-content:center}
.article-grid:not(:has(.toc-rail))>.article-body{grid-column:1}
.article-grid>.aside{display:none}
.page-prose{font-family:var(--mvf-sans);font-size:1.04rem;line-height:1.7}
.page-prose h2{font-size:1.55rem}

/* MEGAMENU-PLACEMENT:START — generated by ecosystem-site-engine/modules/megamenu; do not hand-edit */
/* Mega-menu placement — centered, viewport-clamped, never below the fold.
 * Generated by ecosystem-site-engine/modules/megamenu (kit v1.0.0).
 * Positioning only: this block sets no colour, size, padding or type.
 * --mm-shift and --mm-maxh are written by js/megamenu-placement.js. */
.mega-menu{
  left:50%;
  right:auto;
  margin-left:var(--mm-shift, 0px);
  transform:translateX(-50%) translateY(6px);
}
/* A right-aligned variant is no longer a different anchor: everything centres
 * and the clamp decides how far it may slide. The class stays a no-op so old
 * markup keeps working. */
.mega-menu--r{left:50%;right:auto}
.nav-item:hover .mega-menu, .nav-item:focus-within .mega-menu{transform:translateX(-50%) translateY(0)}
/* The fold guard. max-height is unset until the script measures a real window,
 * so a panel that fits is untouched and keeps its shadow. */
.mega-menu-inner{
  max-height:var(--mm-maxh, none);
  overflow-y:auto;
  overscroll-behavior:contain;
}
/* MEGAMENU-PLACEMENT:END */

/* Research notes (/notes/). Hand-written notes and content-engine notes share these classes:
 * the engine writes .essay-meta, .essay-lede, .essay-note and .essay-sources. */
.note-body .essay-meta{font-size:.92rem;color:var(--mvf-muted);margin:0 0 1.4em}
.note-body .essay-lede{font-size:1.1rem;line-height:1.6}
.note-body .essay-note{color:var(--mvf-inkSoft);font-size:.95rem}
.note-body blockquote.essay-note{border-left:4px solid var(--mvf-accent);margin:1.6em 0;padding:4px 0 4px 18px}
.note-body .essay-sources{padding-left:1.3em}
.note-body .essay-sources li{margin:0 0 .5em;overflow-wrap:anywhere}
.notes-list{grid-template-columns:repeat(2,minmax(0,1fr))}
.notes-list .note-date{margin-top:8px;font-size:.82rem}
@media (max-width:720px){.notes-list{grid-template-columns:1fr}}