:root {
  color-scheme: dark;
  --navy:        #FEC35E;
  --navy-deep:   #011B3A;
  --ink:         #FEC35E;
  --ink-2:       #D9A54E;
  --grey:        #B98C40;
  --grey-2:      #AD8340;   /* 4.9:1 on #011B3A (pass 30; #9A7435 was 4.04:1, under AA) */
  --tag:         #00ABE3;
  --iceblue:     #00ABE3;
  --logoblue:    #FEC35E;
  --ground:      #011B3A;
  --surface:     #011B3A;
  --surface-2:   #072C50;
  --rule:        #16385C;
  --rule-strong: #2C5A87;
  --hero-bg:     #011B3A;
  --hero-ink:    #FEC35E;
  --hero-ink-2:  #D9A54E;
  --hero-head:   #FEC35E;
  --hero-tag:    #00ABE3;
  --cta-head:    #FEC35E;
  --btn-bg:      #FEC35E;
  --btn-ink:     #10233A;
  --btn-hover:   #FFD98A;
  --footer-bg:   #011B3A;
  --footer-ink:  #FEC35E;
  --footer-ink-2:#D9A54E;
  --footer-rule: #2C5A87;

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans:  "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system,
           BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --mono:  ui-monospace, "Cascadia Mono", "SF Mono", Consolas, "Liberation Mono", monospace;

  --page: 1140px;
  --read: 66ch;
}

/* ProofSmith - www.proofsmith.ai
   Palette is canonical: NAVY #0D2B45 headings, INK #1A1C22 body, GREY #55606B chrome,
   ICEBLUE #4FC3F7 rule/accent, LOGO BLUE #0B6FA4 for type set beside the mark. */

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; }
a { color: var(--logoblue); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--ink); }

/* Daron 13 Sept 2026: left margin = fixed 28px base + one eighth of the centering slack
   ((viewport - page) / 8), rest goes to the right. Full screen lands where the earlier
   "one third of centered" did (~125px at 1920); narrower windows keep a real margin
   instead of collapsing to the 9px padding. Phones (<=700px) drop the base. */
.wrap { max-width: var(--page); padding: 0 9px;
        margin: 0 auto 0 calc(28px + max(0px, (100% - var(--page)) / 8)); }
.read { max-width: var(--read); }

/* ---- masthead ---------------------------------------------------------- */
.masthead {
  border-bottom: 1px solid var(--rule);
  background: var(--surface);
  position: sticky; top: 0; z-index: 20;
}
.masthead .wrap { display: flex; align-items: center; gap: 28px; min-height: 74px; flex-wrap: wrap;
                  padding-top: 24px; }   /* breathing room above the lockup, Daron 13 Sept 2026 (12 -> 24) */
.brand { display: flex; align-items: center; gap: 13px; text-decoration: none; }
.brand img { height: 72px; width: auto; display: block; }   /* 46px -> 72px, Rod 12 Sept 2026 (pass 36): too small at the top */
.brand .lockup {
  border-left: 1px solid var(--rule-strong);
  padding-left: 13px;
  font-size: 10px; line-height: 1.45; letter-spacing: .1em;
  color: var(--logoblue); font-weight: 600;
}
.brand .lockup span { display: block; }
.brand .lockup .caps { text-transform: uppercase; letter-spacing: .16em; }
/* Daron 13 Sept 2026: menu on its own row under the lockup, left-aligned with the content
   (was margin-left:auto + flex-end, i.e. right-aligned beside the logo). */
nav.primary { width: 100%; margin-left: 0; display: flex; gap: 26px; flex-wrap: wrap;
              justify-content: flex-start; row-gap: 2px; }
nav.primary a {
  font-size: 13px; letter-spacing: .07em; text-transform: uppercase;
  font-weight: 600; color: var(--grey); text-decoration: none;
  padding: 6px 0; border-bottom: 2px solid transparent;
}
nav.primary a:hover { color: var(--ink); }
nav.primary a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--iceblue); }
/* pass 57: these width rules sat BEFORE the base `nav.primary a` rule and never applied (same
   specificity, later wins). They now follow it. Measured at 1024px: the toggle and ten tabs need
   about 1,025px at 11.5px and wrapped Contact alone; at 11px with .01em tracking they fit in 953px. */
@media (max-width: 1280px) { nav.primary { gap: 18px; }
  nav.primary a { font-size: 12px; letter-spacing: .05em; } }
@media (max-width: 1100px) { nav.primary { margin-left: 0; width: 100%; justify-content: flex-start; gap: 10px; }
  nav.primary a { font-size: 11px; letter-spacing: .01em; } }

/* ---- hero -------------------------------------------------------------- */
.hero {
  background: var(--hero-bg);
  color: var(--hero-ink);
  padding: 92px 0 78px;
  border-bottom: 3px solid var(--iceblue);
}
.hero .eyebrow { color: var(--hero-tag); }
.hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.1rem, 5.1vw, 3.55rem);
  line-height: 1.13;
  letter-spacing: -.015em;
  margin: 16px 0 0;
  max-width: 19ch;
  color: var(--hero-head);
}
.hero .lede {
  margin: 26px 0 0; max-width: 62ch;
  font-size: 1.11rem; color: var(--hero-ink-2);
}
.hero a.jump { color: var(--hero-ink); font-family: var(--mono); font-size: 12px;
               letter-spacing: .14em; text-transform: uppercase; text-decoration: none;
               border-bottom: 1px solid var(--iceblue); padding-bottom: 3px; }
.hero a.jump:hover { color: var(--hero-ink-2); }
/* The masthead is sticky and, with ten tabs under a 72px lockup, stands 138-192px tall at
   desktop widths and up to 327px on a phone (measured, pass 42). An anchored section must
   clear it, or the summary links and "Skip to the answer" land under the header. */
[id] { scroll-margin-top: 196px; }
@media (min-width: 1100px) and (max-width: 1280px) { [id] { scroll-margin-top: 150px; } }
@media (max-width: 700px) { [id] { scroll-margin-top: 240px; } }
@media (max-width: 520px) { [id] { scroll-margin-top: 290px; } }
@media (max-width: 420px) { [id] { scroll-margin-top: 345px; } }
.hero .category {
  margin: 34px 0 0; padding: 22px 26px;
  border-left: 3px solid var(--iceblue);
  background: rgba(255,255,255,.04);
  max-width: 74ch; font-size: 1.02rem; color: var(--hero-ink);
}

.eyebrow {
  font-family: var(--mono);
  font-size: 11.5px; letter-spacing: .19em; text-transform: uppercase;
  color: var(--grey); margin: 0;
}

/* ---- on this page (pass 42) --------------------------------------------- */
.summary-band { padding: 26px 0 20px; background: var(--surface-2);
                border-bottom: 1px solid var(--rule); }
.summary-band .eyebrow { margin-bottom: 4px; }
ul.summary { list-style: none; margin: 0; padding: 0; max-width: 80ch; }
ul.summary li { padding: 8px 0 8px 24px; position: relative; font-size: .97rem;
                line-height: 1.5; color: var(--ink-2); border-bottom: 1px solid var(--rule); }
ul.summary li:last-child { border-bottom: 0; }
ul.summary li:before { content: ""; position: absolute; left: 0; top: 19px;
                       width: 11px; height: 1px; background: var(--iceblue); }
ul.summary a { color: var(--navy); text-decoration: none; font-weight: 600; }
ul.summary a:hover { text-decoration: underline; }
ul.summary a:after { content: "."; }

/* ---- generic sections -------------------------------------------------- */
section { padding: 72px 0; }
section.alt { background: var(--surface); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
h2 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(1.65rem, 3.3vw, 2.35rem);
  line-height: 1.2; letter-spacing: -.012em;
  color: var(--navy); margin: 14px 0 22px; max-width: 24ch;
}
h3 {
  font-size: 1.06rem; letter-spacing: .01em; color: var(--navy);
  margin: 34px 0 10px; font-weight: 700;
}
p { margin: 0 0 18px; }
.lead { font-size: 1.14rem; color: var(--ink-2); }

/* ---- page head (interior) ---------------------------------------------- */
.pagehead { padding: 66px 0 40px; border-bottom: 1px solid var(--rule); background: var(--surface); }
.pagehead h1 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(2rem, 4.6vw, 3.1rem); line-height: 1.15;
  color: var(--navy); margin: 15px 0 0; max-width: 20ch; letter-spacing: -.015em;
}
.pagehead .sub { margin: 20px 0 0; font-size: 1.13rem; color: var(--grey); max-width: 60ch; }

/* ---- statistic band ---------------------------------------------------- */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(255px, 1fr)); gap: 1px;
         background: var(--rule); border: 1px solid var(--rule); }
.stat { background: var(--surface); padding: 30px 26px; }
.stat .fig {
  font-family: var(--serif); font-size: 2.9rem; line-height: 1;
  color: var(--logoblue); letter-spacing: -.02em;
}
.stat p { margin: 14px 0 0; font-size: .97rem; color: var(--ink-2); }
.stat cite {
  display: block; margin-top: 14px; font-style: normal;
  font-family: var(--mono); font-size: 11px; letter-spacing: .08em;
  text-transform: uppercase; color: var(--grey-2);
}

/* ---- branch table ------------------------------------------------------ */
.branches { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 1px;
            background: var(--rule); border: 1px solid var(--rule); margin: 34px 0 0; }
.branch { background: var(--surface); padding: 30px 26px; }
.branch .tag {
  font-family: var(--mono); font-size: 11px; letter-spacing: .17em;
  text-transform: uppercase; color: var(--tag);
}
.branch h4 { font-family: var(--serif); font-weight: 400; font-size: 1.42rem;
             color: var(--navy); margin: 12px 0 4px; }
.branch .fn { font-size: .9rem; color: var(--grey); margin: 0 0 16px; font-style: italic; }
.branch p { font-size: .99rem; margin: 0; }

/* ---- problem cards ----------------------------------------------------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(310px, 1fr)); gap: 1px;
         background: var(--rule); border: 1px solid var(--rule); }
.card { background: var(--surface); padding: 30px 26px; }
.card .num {
  font-family: var(--mono); font-size: 11px; letter-spacing: .17em;
  color: var(--tag); text-transform: uppercase;
}
.card h3 { margin: 11px 0 12px; font-size: 1.2rem; font-family: var(--serif);
           font-weight: 400; letter-spacing: 0; }
.card p { font-size: .985rem; margin: 0 0 14px; }
.card .req {
  border-top: 1px solid var(--rule); padding-top: 14px; margin: 0;
  font-size: .93rem; color: var(--grey);
}
.card .req strong {
  display: block; font-family: var(--mono); font-size: 10.5px;
  letter-spacing: .15em; text-transform: uppercase; color: var(--grey-2);
  margin-bottom: 7px; font-weight: 600;
}

/* ---- pull quote -------------------------------------------------------- */
blockquote.pull {
  margin: 40px 0; padding: 4px 0 4px 30px;
  border-left: 3px solid var(--iceblue);
  font-family: var(--serif); font-size: 1.42rem; line-height: 1.42;
  color: var(--navy); max-width: 48ch;
}
blockquote.pull cite {
  display: block; margin-top: 18px; font-family: var(--mono); font-style: normal;
  font-size: 11px; letter-spacing: .13em; text-transform: uppercase; color: var(--grey-2);
}

.subhead { font-family: var(--serif); font-weight: 400; font-size: 1.4rem; line-height: 1.25;
           color: var(--navy); margin: 42px 0 14px; max-width: var(--read); }
section .lead + h2 { margin-top: 6px; }
/* ---- the posture section: Gartner tiers, six arenas ----------------------- */
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
         background: var(--rule); border: 1px solid var(--rule); margin: 26px 0 0; }
.tier { background: var(--surface); padding: 22px 22px 18px; }
.tier .lvl { font-family: var(--mono); font-size: 11px; letter-spacing: .16em;
             text-transform: uppercase; color: var(--tag); }
.tier .n { font-family: var(--serif); font-size: 2.6rem; line-height: 1.05; margin-top: 8px;
           color: var(--navy); }
.tier p { font-size: .93rem; color: var(--ink-2); margin: 8px 0 0; }
.tiers-cap { font-family: var(--mono); font-size: 10.5px; letter-spacing: .08em;
             text-transform: uppercase; color: var(--grey-2); margin: 10px 0 26px; }
.arenas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;   /* two rows of three (Rod, pass 42) */
          background: var(--rule); border: 1px solid var(--rule); margin: 26px 0 30px; }
.arena { background: var(--surface); padding: 22px 22px 18px; }
@media (max-width: 700px) { .arenas, .tiers { grid-template-columns: 1fr; } }
.arena .tag { font-family: var(--mono); font-size: 11px; letter-spacing: .16em;
              text-transform: uppercase; color: var(--tag); }
.arena p { font-size: .97rem; margin: 9px 0 0; }
.cta-close { font-family: var(--serif); font-size: 1.18rem; color: var(--hero-ink);
             margin: 26px 0 0; max-width: 40ch; }
.person img.headshot { width: 132px; height: 132px; object-fit: cover; border-radius: 2px;
                       display: block; margin: 0 0 16px; border: 1px solid var(--rule); }
.person li.lk a { display: inline-flex; align-items: center; gap: 7px; text-decoration: none;
  color: var(--logoblue); }
.person li.lk a:hover { text-decoration: underline; }
.person li.lk .lk-icon { flex: none; position: relative; top: 1px; }
.person .lk-link { margin: 14px 0 0; font-family: var(--mono); font-size: 11px;
                   letter-spacing: .12em; text-transform: uppercase; }

.assertion {
  font-family: var(--serif); font-size: clamp(1.45rem, 3.4vw, 2.05rem);
  line-height: 1.32; color: var(--navy); max-width: 30ch; margin: 0;
}

/* ---- sector index ------------------------------------------------------ */
.sectorgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 1px;
              background: var(--rule); border: 1px solid var(--rule); }
.sectorgrid a {
  background: var(--surface); padding: 28px 26px; text-decoration: none; display: block; color: inherit;
}
.sectorgrid a:hover { background: var(--surface-2); }
.sectorgrid .tag { font-family: var(--mono); font-size: 11px; letter-spacing: .16em;
                   text-transform: uppercase; color: var(--tag); }
.sectorgrid h3 { margin: 11px 0 9px; font-size: 1.16rem; font-family: var(--serif);
                 font-weight: 400; color: var(--navy); }
.sectorgrid p { font-size: .95rem; color: var(--ink-2); margin: 0; }
.sectorgrid .more { display: block; margin-top: 15px; font-family: var(--mono);
                    font-size: 11px; letter-spacing: .12em; text-transform: uppercase;
                    color: var(--logoblue); }

/* ---- list -------------------------------------------------------------- */
ul.plain { list-style: none; padding: 0; margin: 0 0 18px; }
ul.plain li {
  padding: 11px 0 11px 26px; border-bottom: 1px solid var(--rule);
  position: relative; font-size: 1rem;
}
ul.plain li:before {
  content: ""; position: absolute; left: 0; top: 21px;
  width: 11px; height: 1px; background: var(--iceblue);
}

/* ---- ranked rows ------------------------------------------------------- */
.ranked { border-top: 1px solid var(--rule); margin-top: 8px; }
.ranked .row { display: grid; grid-template-columns: 118px 1fr; gap: 26px;
               padding: 22px 0; border-bottom: 1px solid var(--rule); align-items: start; }
.ranked .k { font-family: var(--mono); font-size: 11px; letter-spacing: .14em;
             text-transform: uppercase; color: var(--tag); padding-top: 5px; }
.ranked .v { margin: 0; font-size: 1rem; }

/* ---- people ------------------------------------------------------------ */
.people { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1px;
          background: var(--rule); border: 1px solid var(--rule); }
.person { background: var(--surface); padding: 30px 26px; }
/* A photo-less card holds the row once a sibling has a photo (pass 30). */
.people:has(img.headshot) .person:not(:has(img.headshot)) > h3 { padding-top: 148px; }
.person h3 { margin: 0 0 3px; font-family: var(--serif); font-weight: 400;
             font-size: 1.35rem; letter-spacing: 0; }
.person .role { font-family: var(--mono); font-size: 11px; letter-spacing: .12em;
                text-transform: uppercase; color: var(--grey-2); margin: 0 0 16px; }

/* ---- call to action ---------------------------------------------------- */
.cta { background: var(--hero-bg); color: var(--hero-ink); padding: 76px 0; }
.cta h2 { color: var(--cta-head); }
.cta p { color: var(--hero-ink-2); max-width: 58ch; }
.cta .eyebrow { color: var(--hero-tag); }
.btn {
  display: inline-block; margin-top: 12px; padding: 15px 30px;
  background: var(--btn-bg); color: var(--btn-ink); text-decoration: none;
  font-weight: 700; font-size: 14px; letter-spacing: .09em; text-transform: uppercase;
}
.btn:hover { background: var(--btn-hover); color: var(--btn-ink); }
.btn { border: 1px solid var(--btn-bg); }
.btn.ghost { background: transparent; color: var(--hero-ink); border: 1px solid var(--rule-strong); margin-left: 10px; }
.btn.ghost:hover { background: var(--btn-bg); color: var(--btn-ink);
                   border-color: var(--btn-bg); }

/* ---- footer ------------------------------------------------------------ */
footer.site { background: var(--footer-bg); border-top: 1px solid var(--footer-rule); padding: 54px 0 38px; }
footer.site .cols { display: grid; grid-template-columns: 1.5fr 1fr 1.5fr; gap: 40px; }
footer.site img.mark { height: 44px; width: auto; display: block;
                       margin-bottom: 18px; }
footer.site .lk { font-size: 10.5px; letter-spacing: .13em; color: var(--footer-ink);
                  font-weight: 600; line-height: 1.6; }
footer.site .lk .caps { text-transform: uppercase; letter-spacing: .18em; }
footer.site h5 { margin: 0 0 14px; font-family: var(--mono); font-size: 11px;
                 letter-spacing: .15em; text-transform: uppercase; color: var(--grey-2);
                 font-weight: 600; }
footer.site ul { list-style: none; margin: 0; padding: 0; }
footer.site li { margin-bottom: 9px; font-size: .94rem; }
footer.site ul.two { columns: 2; column-gap: 26px; }   /* the ten tabs and the rest, seven and six (Rod, pass 42) */
footer.site ul.two li { break-inside: avoid; }
footer.site a { color: var(--footer-ink); text-decoration: none; }
footer.site a:hover { color: var(--footer-ink); text-decoration: underline; }
footer.site .legal {
  margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--rule);
  font-size: 12.5px; color: var(--grey-2); display: flex; gap: 22px; flex-wrap: wrap;
}
footer.site .legal a { color: var(--footer-ink-2); }

.sources { margin-top: 34px; font-size: 12.5px; color: var(--grey-2); max-width: 78ch; }
.sources h5 { font-family: var(--mono); font-size: 11px; letter-spacing: .15em;
              text-transform: uppercase; margin: 0 0 10px; color: var(--grey-2); }
.sources p { margin: 0 0 7px; }
.sources a { color: var(--grey-2); }

/* ---- contact routes ---------------------------------------------------- */
.route { background: var(--surface); padding: 30px 26px; }
.route .tag { font-family: var(--mono); font-size: 11px; letter-spacing: .17em;
              text-transform: uppercase; color: var(--tag); }
.route h3 { margin: 11px 0 12px; font-size: 1.3rem; font-family: var(--serif);
            font-weight: 400; letter-spacing: 0; color: var(--navy); }
.route p { font-size: .985rem; margin: 0 0 18px; }
a.mailto {
  display: inline-block; font-family: var(--mono); font-size: 11px;
  letter-spacing: .13em; text-transform: uppercase; color: var(--logoblue);
  text-decoration: none; border-bottom: 1px solid var(--rule-strong); padding-bottom: 4px;
}
a.mailto:hover { color: var(--ink); border-bottom-color: var(--iceblue); }
.ranked .row .v a.mailto { margin-top: 12px; }

/* ---- inline citation ---------------------------------------------------- */
.cite { font-family: var(--mono); font-size: .78em; letter-spacing: .04em;
        color: var(--grey-2); }

/* ---- reference tables (obligations, evidence) --------------------------- */
.tablewrap { overflow-x: auto; border: 1px solid var(--rule); }
table.ref { width: 100%; border-collapse: collapse; font-size: .95rem;
            background: var(--surface); min-width: 660px; }
table.ref th {
  text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--rule-strong);
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .15em;
  text-transform: uppercase; color: var(--grey-2); font-weight: 600; vertical-align: bottom;
}
table.ref td { padding: 18px; border-bottom: 1px solid var(--rule); vertical-align: top; }
table.ref tr:last-child td { border-bottom: 0; }
table.ref tr.group td { font-family: var(--mono); font-size: 11px; letter-spacing: .15em;
  text-transform: uppercase; color: var(--grey-2); padding: 26px 18px 8px;
  border-bottom: 1px solid var(--rule-strong); width: auto; }
table.ref td:first-child { color: var(--navy); width: 32%; }
.badge {
  display: inline-block; margin-top: 10px; padding: 3px 8px;
  font-family: var(--mono); font-size: 9.5px; letter-spacing: .13em;
  text-transform: uppercase; border: 1px solid var(--rule-strong); color: var(--grey);
}
.badge.verified { border-color: var(--iceblue); color: var(--iceblue); }
.badge.ours { border-color: var(--tag); color: var(--tag); }

/* ---- question and answer ------------------------------------------------ */
.qa { border-top: 1px solid var(--rule); }
.qa .item { padding: 34px 0; border-bottom: 1px solid var(--rule); }
.qa h3 {
  margin: 0 0 16px; font-family: var(--serif); font-weight: 400;
  font-size: clamp(1.2rem, 2.5vw, 1.55rem); color: var(--navy); letter-spacing: 0;
}
.qa p { max-width: var(--read); margin: 0 0 16px; }
.qa p:last-child { margin-bottom: 0; }

/* ---- glossary ----------------------------------------------------------- */
.terms { border-top: 1px solid var(--rule); margin-top: 10px; }
.terms .term { display: grid; grid-template-columns: 250px 1fr; gap: 30px;
               padding: 22px 0; border-bottom: 1px solid var(--rule); }
.terms .t { font-family: var(--serif); font-size: 1.15rem; color: var(--navy); }
.terms .d { font-size: 1rem; }
/* ---- the two-axis matrix ------------------------------------------------ */
.matrix { margin-top: 30px; }
.matrix .xhead { display: grid; grid-template-columns: 150px 1fr 1fr; gap: 1px;
                 margin-bottom: 1px; }
.matrix .xhead div { padding: 0 18px 12px; font-family: var(--mono); font-size: 10.5px;
                     letter-spacing: .14em; text-transform: uppercase; color: var(--grey-2); }
.matrix .row { display: grid; grid-template-columns: 150px 1fr 1fr; gap: 1px;
               background: var(--rule); }
.matrix .row + .row { margin-top: 1px; }
.matrix .ylab { background: var(--ground); padding: 26px 18px 26px 0; text-align: right;
                font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em;
                text-transform: uppercase; color: var(--grey-2); display: flex;
                align-items: center; justify-content: flex-end; }
.matrix .cell { background: var(--surface); padding: 28px 22px; min-height: 118px; }
.matrix .cell .n { font-family: var(--serif); font-size: 1.9rem; line-height: 1.1;
                   color: var(--ink-2); }
.matrix .cell .l { margin-top: 8px; font-size: .92rem; color: var(--grey); }
.matrix .cell.us { border: 2px solid var(--iceblue); }
.matrix .cell.us .n { color: var(--navy); font-size: 2.1rem; letter-spacing: .01em; }
.matrix .cell.us .l { color: var(--ink-2); }
.matrix .note { margin-top: 22px; max-width: 62ch; }
.matrix .marking { margin-top: 10px; font-family: var(--mono); font-size: 10.5px;
                   letter-spacing: .14em; text-transform: uppercase; color: var(--grey-2); }
/* The matrix NEVER collapses. A 2x2 read as a list is not a 2x2 - the spatial
   relationship is the content. On narrow screens the y-axis label moves above its
   row and the two columns stay two columns. */
@media (max-width: 760px) {
  .matrix .xhead { grid-template-columns: 1fr 1fr; }
  .matrix .xhead div:first-child { display: none; }
  .matrix .xhead div { padding: 0 10px 8px; font-size: 9px; letter-spacing: .1em; }
  .matrix .row { grid-template-columns: 1fr 1fr; }
  .matrix .ylab {
    grid-column: 1 / -1; text-align: left; justify-content: flex-start;
    padding: 12px 10px 8px 0; font-size: 9.5px;
  }
  .matrix .cell { padding: 18px 12px; min-height: 96px; }
  .matrix .cell .n { font-size: 1.35rem; }
  .matrix .cell.us .n { font-size: 1.35rem; }
  .matrix .cell .l { font-size: .8rem; }
}

@media (max-width: 760px) { .terms .term { grid-template-columns: 1fr; gap: 8px; } }

/* ---- numbered argument steps -------------------------------------------- */
.step { border-top: 1px solid var(--rule); padding: 36px 0 10px; }
.step:first-of-type { border-top: 0; padding-top: 6px; }

@media (max-width: 760px) {
  .wrap { margin-left: 0; }
  .masthead .wrap { min-height: 0; padding-top: 14px; padding-bottom: 14px; }
  nav.primary { margin-left: 0; width: 100%; gap: 18px; }
  footer.site .cols { grid-template-columns: 1fr; gap: 30px; }
  .ranked .row { grid-template-columns: 1fr; gap: 8px; }
  section { padding: 54px 0; }
  .hero { padding: 62px 0 54px; }
}


/* ---- landing page (14 Sept 2026): the flow diagram and the hero button row ---- */
.hero .btnrow { margin-top: 30px; }
body.landing .hero h1 { max-width: 24ch; }   /* two lines at desktop width */
.hero .btn.ghost { color: var(--hero-ink); }
.flow { display: grid; grid-template-columns: 1fr auto 1.15fr auto 1fr; gap: 14px; align-items: center;
        margin: 34px 0 0; max-width: 980px; }
.flow .col { display: grid; gap: 14px; }
.flow .box { background: var(--surface-2); border: 1px solid var(--rule-strong); padding: 18px 18px 16px; }
.flow .box.us { border: 2px solid var(--iceblue); }
.flow .t { font-family: var(--mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--tag); }
.flow .box p { margin: 8px 0 0; font-size: .93rem; line-height: 1.45; color: var(--ink-2); }
.flow .arrow { font-family: var(--serif); font-size: 30px; line-height: 1; color: var(--iceblue); text-align: center; }
@media (max-width: 760px) { .flow { grid-template-columns: 1fr; } .flow .arrow { transform: rotate(90deg); } }

/* ---- the two-line mark as justified text (14 Sept 2026): both lines forced to the same width, like the logo ---- */
.marklines { display: block; width: 100%; height: auto; overflow: visible; }
.marklines text { font-family: var(--mono); font-weight: 500; font-size: 100px; fill: currentColor; }   /* the logo's tagline face: monospace, caps line heavier */
.marklines text:last-child { font-weight: 700; }
.marklines.h1 { max-width: 760px; }
.marklines.h2 { max-width: 540px; }
body.landing .hero h1 { max-width: none; }
body.landing #words h2 { max-width: none; }