/* =============================================================================
   Ripple Systems — Payments Infrastructure Advisory
   One stylesheet. No @import, no webfont, no external request of any kind.

   DESIGN INTENT
   The reader is a sceptical committee member, an internal auditor or a
   supervisor. The page therefore has to look like a document produced by an
   advisory firm, not a product page produced by a fintech: warm paper rather
   than white, serif headings, hairline rules doing the structural work, and a
   single earth-toned accent used sparingly. It is deliberately distant from
   protocol-company aesthetics — no blue gradients, no glow, no motion, and no
   circular, wave or droplet motif anywhere in the mark or the ornament.

   Structure was taken from how large institutional financial sites organise a
   page — banded sections at a steady rhythm, muted dividers rather than
   shadows, a compact utility-style nav, and density over whitespace-as-luxury.
   The palette and type are the brand's own and share nothing with any of them.

   Layout note for a later port: all layout lives here, never inline; header
   and footer markup is emitted once in templates/base.html; `.wrap` owns the
   horizontal gutter, so any element carrying `.wrap` must use `padding-block`
   and never the `padding` shorthand, which would clobber it.
   ========================================================================= */

:root{
  /* Paper and ink */
  --paper:#fbfaf7;
  --paper-2:#f3f1ea;
  --paper-3:#eae7dd;
  --ink:#14181f;
  --ink-2:#2c3542;
  --slate:#5b6675;
  --slate-2:#8a9099;
  --rule:#ddd8cc;
  --rule-2:#c9c2b2;
  --clay:#a8452e;
  --clay-2:#8a3624;
  --deep:#1b2430;
  --ok:#2f6b4f;
  --warn:#9a6b1e;

  /* Two additions, both for contrast rather than decoration. --warn-2 is the
     amber darkened until it clears AA as a solid pill fill; --white is
     declared here so no literal hex appears outside :root. */
  --warn-2:#7d5518;
  --white:#ffffff;

  /* Type stacks — system fonts only, nothing is fetched */
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;

  /* Measure and rhythm */
  --max:1120px;
  --gutter:40px;
  --band:88px;
}

/* --- Reset ---------------------------------------------------------------- */

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

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:90px;   /* the header is sticky */
}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink-2);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{
  font-family:var(--serif);
  color:var(--ink);
  font-weight:600;
  margin:0;
  line-height:1.14;
  letter-spacing:-.01em;
}

p{margin:0 0 1.05em}
p:last-child{margin-bottom:0}

a{color:var(--clay);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--clay-2)}

img{max-width:100%;height:auto;display:block}
ul{margin:0 0 1.05em;padding-left:1.15em}
li{margin-bottom:.4em}

:focus-visible{
  outline:2px solid var(--clay);
  outline-offset:3px;
  border-radius:1px;
}

.skip{
  position:absolute;left:-9999px;top:0;
  background:var(--deep);color:var(--paper);
  padding:12px 18px;z-index:80;
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
}
.skip:focus{left:0}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
}

/* --- Layout --------------------------------------------------------------- */

/* Owns the horizontal gutter. Never give this element a `padding` shorthand. */
.wrap{
  max-width:var(--max);
  margin-inline:auto;
  padding-inline:var(--gutter);
  width:100%;
}

.band{padding-block:var(--band)}
.band-tight{padding-block:calc(var(--band) - 26px)}
.band-2{background:var(--paper-2)}
.band-3{background:var(--paper-3)}
.band-line{border-top:1px solid var(--rule)}

.band-deep{background:var(--deep);color:var(--paper-2)}
.band-deep h1,.band-deep h2,.band-deep h3,.band-deep h4{color:var(--paper)}
.band-deep .eyebrow{color:var(--slate-2)}
.band-deep .lede,.band-deep .muted,.band-deep .sec-head p{color:var(--slate-2)}
.band-deep p{color:var(--paper-2)}
.band-deep a{color:var(--paper)}
.band-deep .btn{background:var(--paper);color:var(--deep);border-color:var(--paper)}
.band-deep .btn:hover{background:var(--paper-2);color:var(--deep);border-color:var(--paper-2)}
.band-deep .btn-ghost{background:transparent;color:var(--paper);border-color:var(--slate)}
.band-deep .btn-ghost:hover{background:transparent;border-color:var(--paper-3);color:var(--paper)}
.band-deep .arrow-link{border-bottom-color:var(--slate)}

.cols-2{display:grid;grid-template-columns:repeat(2,1fr);gap:44px}
.cols-3{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start}
.split-wide{display:grid;grid-template-columns:330px 1fr;gap:56px;align-items:start}

.measure{max-width:64ch}
.measure-tight{max-width:52ch}
.stack-lg > * + *{margin-top:44px}

/* --- Type helpers --------------------------------------------------------- */

.eyebrow{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.15em;
  text-transform:uppercase;
  color:var(--clay);
  margin:0 0 18px;
  display:block;
}
.eyebrow-slate{color:var(--slate)}

.h-hero{font-size:clamp(34px,5.1vw,56px);line-height:1.05;letter-spacing:-.018em}
.h-sec{font-size:clamp(26px,3.3vw,38px);line-height:1.1;letter-spacing:-.015em}
.h-sub{font-size:clamp(21px,2.2vw,26px);line-height:1.18}
.h-card{font-size:20px;line-height:1.25}

/* Headings carry no bottom margin of their own (they are used inside grid
   cells where that would be wrong), so the gap belongs to whatever follows. */
.h-sec + p,.h-sec + .lede,.h-sub + p,.h-hero + p{margin-top:22px}

.lede{font-size:19px;line-height:1.6;color:var(--slate)}
.small{font-size:15px;line-height:1.6}
.muted{color:var(--slate)}
.mono-note{
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--slate);
  line-height:1.6;
}
.sec-head{max-width:66ch;margin-bottom:52px}
.sec-head p{color:var(--slate);font-size:19px;line-height:1.6}
.sec-head .h-sec + p{margin-top:20px}
/* A section head that IS the section — nothing follows it, so it carries no
   trailing space of its own. */
.sec-head.flush{margin-bottom:0}

/* --- Buttons -------------------------------------------------------------- */

.btn{
  display:inline-block;
  font-family:var(--sans);
  font-size:15px;
  font-weight:550;
  line-height:1;
  padding:15px 26px;
  background:var(--deep);
  color:var(--paper);
  border:1px solid var(--deep);
  text-decoration:none;
  transition:background .15s ease,border-color .15s ease;
}
.btn:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}

.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--rule-2)}
.btn-ghost:hover{background:transparent;color:var(--ink);border-color:var(--ink-2)}

.btn-sm{padding:11px 18px;font-size:14px}

.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}

.arrow-link{
  font-family:var(--sans);
  font-size:15px;
  font-weight:550;
  text-decoration:none;
  border-bottom:1px solid var(--rule-2);
  padding-bottom:2px;
}
.arrow-link:hover{border-bottom-color:var(--clay)}
.arrow-link::after{content:" \2192"}

/* --- The mark and lockup -------------------------------------------------- */
/* Four left-aligned ledger rules of descending, irregular width. Not a wave,
   not a droplet, not a ring — the shape reads as rails or ledger lines. */

.mark{display:flex;flex-direction:column;gap:4px;flex:none}
.mark i{display:block;height:2.5px;background:var(--ink)}
.mark i:nth-child(1){width:22px;background:var(--clay)}
.mark i:nth-child(2){width:15px}
.mark i:nth-child(3){width:19px;background:var(--clay)}
.mark i:nth-child(4){width:11px}

.lockup{display:flex;align-items:center;gap:13px;text-decoration:none;color:var(--ink)}
.lockup-txt{display:block}
.wordmark{
  display:block;
  font-family:var(--sans);
  font-size:15.5px;
  font-weight:650;
  letter-spacing:.11em;
  text-transform:uppercase;
  color:var(--ink);
  line-height:1.2;
}
.descriptor{
  display:block;
  font-family:var(--mono);
  font-size:9.5px;
  letter-spacing:.15em;
  text-transform:uppercase;
  /* --slate rather than --slate-2: at 9.5px the tertiary grey does not clear
     AA against paper, and contrast outranks the half-step of tone. On the
     dark footer --slate-2 clears it comfortably, so it is used there. */
  color:var(--slate);
  margin-top:3px;
}
.site-foot .wordmark{color:var(--paper)}
.site-foot .descriptor{color:var(--slate-2)}
.site-foot .mark i{background:var(--paper-3)}
.site-foot .mark i:nth-child(1),.site-foot .mark i:nth-child(3){background:var(--clay)}

/* --- Header --------------------------------------------------------------- */

.site-head{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--paper);
  border-bottom:1px solid var(--rule);
}
.head-in{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  padding-block:17px;
}
.nav{display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.nav a{
  font-size:15px;
  color:var(--ink-2);
  text-decoration:none;
  padding-bottom:2px;
  border-bottom:1px solid transparent;
}
.nav a:hover{color:var(--ink);border-bottom-color:var(--rule-2)}
.nav a.here{color:var(--ink);border-bottom-color:var(--clay)}
.nav a.btn{color:var(--paper);border-bottom:1px solid var(--deep)}
.nav a.btn:hover{color:var(--paper)}
.nav a.btn.here{border-bottom-color:var(--ink)}

/* --- Hero ----------------------------------------------------------------- */

.hero{padding-block:92px 72px}
.hero .h-hero{max-width:19ch}
.hero-lede{font-size:20px;line-height:1.58;color:var(--slate);max-width:60ch;margin-top:26px}
.hero-sub{margin-top:22px;max-width:60ch;color:var(--ink-2)}
.hero-split{display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:end}
.hero-narrow .h-hero{max-width:24ch}
.hero-note{margin-top:22px}

/* --- Stat strip ----------------------------------------------------------- */
/* Four cells, edge to edge, immediately beneath the hero. Serif figure,
   plain-language explanation, mono source line. The source line is part of
   the component: a figure without one does not go on this site. */

.stats{background:var(--paper-3);border-block:1px solid var(--rule)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{
  padding:38px 34px 34px 32px;
  border-left:1px solid var(--rule-2);
}
.stat:first-child{border-left:0;padding-left:0}
.stat-fig{
  font-family:var(--serif);
  font-size:44px;
  line-height:1;
  color:var(--ink);
  letter-spacing:-.02em;
  display:block;
}
.stat-txt{font-size:15px;line-height:1.5;color:var(--ink-2);margin:14px 0 0}
.stat-src{
  font-family:var(--mono);
  font-size:9.5px;
  letter-spacing:.13em;
  text-transform:uppercase;
  color:var(--slate);
  margin:14px 0 0;
  padding-top:12px;
  border-top:1px solid var(--rule-2);
  line-height:1.5;
}

/* --- Cards ---------------------------------------------------------------- */

.card{
  background:var(--paper);
  border:1px solid var(--rule);
  padding:34px 32px 32px;
  display:flex;
  flex-direction:column;
}
.card-num{
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:.15em;
  color:var(--clay);
  display:block;
  margin-bottom:18px;
}
.card h3{margin-bottom:12px}
.card .shape{
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:.13em;
  text-transform:uppercase;
  color:var(--slate);
  display:block;
  margin-bottom:16px;
}
.card p{color:var(--slate);font-size:16px}
.card-foot{margin-top:auto;padding-top:22px}
.card-lead{border-top:3px solid var(--clay)}

.tag{
  display:inline-block;
  font-family:var(--mono);
  font-size:9.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--white);
  background:var(--clay);
  padding:5px 9px;
  margin-bottom:18px;
}
.tag-quiet{background:var(--paper-3);color:var(--slate)}

.col-plain{border-top:1px solid var(--rule-2);padding-top:26px}
.col-plain h3{margin-bottom:14px;font-family:var(--sans);font-size:18px;font-weight:600}
.col-plain p{color:var(--slate);font-size:16px}

/* --- Sample artifact ------------------------------------------------------ */
/* Shows the shape of the deliverable rather than describing it. Every use
   carries an .artifact-cap marking it illustrative — no exceptions. */

.artifact{border:1px solid var(--rule-2);background:var(--paper)}
.artifact-head{
  background:var(--deep);
  padding:15px 20px;
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  gap:16px;
}
.artifact-title{
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:.15em;
  text-transform:uppercase;
  color:var(--paper);
}
.artifact-meta{
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:.13em;
  text-transform:uppercase;
  color:var(--slate-2);
  white-space:nowrap;
}
.artifact-row{
  display:grid;
  grid-template-columns:1fr auto;
  gap:20px;
  align-items:center;
  padding:14px 20px;
  border-top:1px solid var(--rule);
}
.artifact-row:first-of-type{border-top:0}
.artifact-label{
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:.13em;
  text-transform:uppercase;
  color:var(--slate);
  display:block;
  margin-bottom:5px;
}
.artifact-value{font-size:15px;line-height:1.45;color:var(--ink-2);display:block}
.artifact-foot{padding:13px 20px;border-top:1px solid var(--rule-2);background:var(--paper-2)}
.artifact-foot .artifact-label{margin-bottom:0}
.artifact-cap{
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:.13em;
  text-transform:uppercase;
  color:var(--slate);
  margin:14px 0 0;
  line-height:1.6;
}
.band-deep .artifact{border-color:var(--ink-2)}
.band-deep .artifact-head{background:var(--ink-2)}
.band-deep .artifact-cap{color:var(--slate-2)}

.pill{
  font-family:var(--mono);
  font-size:9.5px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--white);
  padding:5px 9px;
  white-space:nowrap;
  flex:none;
}
.pill-gap{background:var(--clay)}
.pill-part{background:var(--warn-2)}
.pill-ok{background:var(--ok)}
/* "Unanswered" is not a fourth grade of bad — it is a different kind of
   finding, so it reads as neutral rather than as a worse red. */
.pill-unknown{background:var(--slate)}

/* --- Readiness diagnostic ------------------------------------------------- */

.diag .diag-set{border:0;margin:0;padding:0;min-width:0}
.diag-q{
  font-family:var(--sans);
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  line-height:1.35;
  padding:0;
  margin-bottom:14px;
  max-width:60ch;
}
.diag-opt{
  display:flex;
  gap:11px;
  align-items:flex-start;
  padding:9px 12px 9px 11px;
  border:1px solid var(--rule);
  background:var(--paper);
  margin-bottom:7px;
  cursor:pointer;
  font-size:16px;
  color:var(--ink-2);
  line-height:1.45;
  max-width:72ch;
}
.diag-opt:last-child{margin-bottom:0}
.diag-opt:hover{border-color:var(--rule-2)}
.diag-opt input{
  appearance:none;
  flex:none;
  width:15px;
  height:15px;
  margin-top:4px;
  border:1px solid var(--rule-2);
  border-radius:50%;
  background:var(--paper);
}
.diag-opt input:checked{
  border-color:var(--clay);
  /* The dot is drawn with an inset shadow rather than a pseudo-element so the
     control stays a single element and keeps its native focus ring. */
  box-shadow:inset 0 0 0 3px var(--paper),inset 0 0 0 9px var(--clay);
}
.diag-opt:has(input:checked){border-color:var(--clay);background:var(--paper-2)}
.diag-opt input:focus-visible{outline:2px solid var(--clay);outline-offset:2px}
/* The last option on every question is "nobody here could answer this". It is
   a legitimate answer, so it is separated rather than de-emphasised. */
.diag-opt:last-child{margin-top:11px;border-style:dashed}

/* --- Capability rows ------------------------------------------------------ */

.caps{border-top:1px solid var(--rule-2)}
.cap{
  display:grid;
  grid-template-columns:60px 290px 1fr;
  gap:32px;
  padding:26px 0;
  border-bottom:1px solid var(--rule);
  align-items:start;
}
.cap-num{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.12em;
  color:var(--clay);
  padding-top:4px;
}
.cap-title{
  font-family:var(--sans);
  font-size:16.5px;
  font-weight:600;
  color:var(--ink);
  line-height:1.35;
  margin:0;
}
.cap-desc{color:var(--slate);font-size:16px;margin:0}

/* --- Steps ---------------------------------------------------------------- */

.steps{border-top:1px solid var(--rule-2)}
.step{
  display:grid;
  grid-template-columns:150px 1fr;
  gap:32px;
  padding:26px 0;
  border-bottom:1px solid var(--rule);
  align-items:start;
}
.step-when{
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--clay);
  padding-top:4px;
}
.step h3{font-family:var(--sans);font-size:17px;font-weight:600;margin:0 0 8px}
.step p{color:var(--slate);font-size:16px;margin:0;max-width:70ch}
.band-deep .step{border-bottom-color:var(--ink-2)}
.band-deep .steps{border-top-color:var(--ink-2)}
.band-deep .step p{color:var(--slate-2)}

/* --- Callout -------------------------------------------------------------- */

.callout{
  border:1px solid var(--rule);
  border-left:3px solid var(--clay);
  background:var(--paper-2);
  padding:28px 30px;
}
.callout h3{font-family:var(--sans);font-size:17px;font-weight:600;margin:0 0 14px}
.callout p{font-size:16px;color:var(--ink-2)}
.callout ol,.callout ul{margin:0;padding-left:1.2em;color:var(--ink-2);font-size:16px}
.callout li{margin-bottom:.85em}
.callout li:last-child{margin-bottom:0}
.callout .answer-note{display:block;color:var(--slate);font-size:15px;margin-top:6px}
.band-deep .callout{background:transparent;border-color:var(--slate);border-left-color:var(--clay)}
.band-deep .callout p,.band-deep .callout li{color:var(--paper-2)}
.band-deep .callout .answer-note{color:var(--slate-2)}
.band-2 .callout{background:var(--paper)}

/* --- Pull quote ----------------------------------------------------------- */

.pull{
  font-family:var(--serif);
  font-size:clamp(21px,2.6vw,28px);
  line-height:1.35;
  color:var(--ink);
  border-left:3px solid var(--clay);
  padding-left:28px;
  margin:44px 0;
  max-width:34ch;
  letter-spacing:-.01em;
}
.pull-wide{max-width:48ch}
.band-deep .pull{color:var(--paper)}

/* --- Prose (position paper) ----------------------------------------------- */

.prose{max-width:64ch}
.prose h2{font-size:24px;margin:52px 0 18px;letter-spacing:-.01em}
.prose h2:first-child{margin-top:0}
/* Direct children only: a paragraph inside a .callout keeps the callout's own
   size rather than being promoted to reading size. */
.prose > p{font-size:17.5px;line-height:1.7;color:var(--ink-2)}
.prose .pull{margin:38px 0}
/* Re-assert the mono utilities against the rule above, which outranks a bare
   class selector on the same element. */
.prose .paper-meta{font-size:10.5px;line-height:1.5}
.prose .artifact-cap{font-size:10px;line-height:1.6}
.paper-meta{
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--slate);
  padding-bottom:26px;
  margin-bottom:38px;
  border-bottom:1px solid var(--rule);
}

/* --- FAQ ------------------------------------------------------------------ */

.faq{border-top:1px solid var(--rule-2)}
.faq details{border-bottom:1px solid var(--rule)}
.faq summary{
  list-style:none;
  cursor:pointer;
  padding:22px 44px 22px 0;
  position:relative;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  font-family:var(--sans);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";
  position:absolute;
  right:6px;
  top:20px;
  font-family:var(--mono);
  font-size:19px;
  line-height:1;
  color:var(--clay);
}
.faq details[open] summary::after{content:"\2013"}
.faq summary:hover{color:var(--clay-2)}
.faq .answer{padding:0 44px 26px 0;max-width:72ch}
.faq .answer p{color:var(--slate);font-size:16.5px}

/* --- Form ----------------------------------------------------------------- */

.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.field{display:flex;flex-direction:column}
.field-full{grid-column:1 / -1}
.field label{
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--slate);
  margin-bottom:8px;
}
.field input,.field select,.field textarea{
  font-family:var(--sans);
  font-size:16px;
  color:var(--ink);
  background:var(--paper);
  border:1px solid var(--rule-2);
  padding:13px 14px;
  width:100%;
  border-radius:0;
  appearance:none;
}
.field textarea{min-height:150px;resize:vertical;line-height:1.55}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--clay)}
.field .hint{font-size:14px;color:var(--slate);margin-top:8px}
.field select{
  background-image:linear-gradient(45deg,transparent 50%,var(--slate) 50%),
                   linear-gradient(135deg,var(--slate) 50%,transparent 50%);
  background-position:calc(100% - 20px) calc(50% + 2px),calc(100% - 14px) calc(50% + 2px);
  background-size:6px 6px,6px 6px;
  background-repeat:no-repeat;
  padding-right:42px;
}
/* Honeypot. Off-screen rather than display:none so a bot reading styles has
   to work slightly harder; never focusable by a person. */
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

.notice{border:1px solid var(--rule-2);border-left:3px solid var(--clay);padding:18px 20px;margin-bottom:28px}
.notice p{font-size:16px;color:var(--ink-2)}
.notice-ok{border-left-color:var(--ok)}

/* --- Boundaries ----------------------------------------------------------- */

.bounds{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.bound{border-top:1px solid var(--slate);padding-top:26px}
.bound h3{font-family:var(--sans);font-size:18px;font-weight:600;margin:0 0 14px}
.bound p{font-size:16px}
.bound .why{
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:.13em;
  text-transform:uppercase;
  color:var(--clay);
  display:block;
  margin:20px 0 8px;
}
.band-deep .bound p{color:var(--slate-2)}
.band-deep .bound .protects{color:var(--paper-2)}

/* --- Placeholder — never a fabricated credential -------------------------- */

.placeholder{border:1px dashed var(--rule-2);background:var(--paper-2);padding:26px 28px}
.placeholder .flag{
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--clay);
  display:block;
  margin-bottom:14px;
}
.placeholder p{color:var(--slate);font-size:16px}
.band-deep .placeholder{background:transparent;border-color:var(--slate)}
.band-deep .placeholder p{color:var(--slate-2)}

/* --- Footer --------------------------------------------------------------- */

.site-foot{background:var(--deep);color:var(--slate-2);padding-block:64px 40px}
.foot-top{
  display:grid;
  grid-template-columns:1.2fr .8fr .8fr;
  gap:44px;
  padding-bottom:44px;
  border-bottom:1px solid var(--ink-2);
}
.foot-blurb{color:var(--slate-2);font-size:15.5px;margin-top:22px;max-width:40ch}
.foot-col h4{
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:.15em;
  text-transform:uppercase;
  color:var(--slate-2);
  font-weight:400;
  margin:0 0 16px;
}
.foot-col ul{list-style:none;margin:0;padding:0}
.foot-col li{margin-bottom:10px}
.foot-col a{color:var(--paper-2);font-size:15px;text-decoration:none}
.foot-col a:hover{color:var(--white);text-decoration:underline}
.disclaimer{
  font-size:13.5px;
  line-height:1.65;
  color:var(--slate-2);
  max-width:88ch;
  padding-block:32px;
  margin:0;
}
.foot-bot{
  display:flex;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  border-top:1px solid var(--ink-2);
  padding-top:26px;
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:.13em;
  text-transform:uppercase;
  color:var(--slate-2);
}

/* --- Responsive: 940px ---------------------------------------------------- */

@media (max-width:940px){
  :root{--gutter:26px;--band:64px}

  .cols-3,.bounds{grid-template-columns:1fr;gap:32px}
  .cols-2{grid-template-columns:1fr;gap:32px}
  .split,.split-wide,.hero-split{grid-template-columns:1fr;gap:40px}
  .hero-split{align-items:start}

  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat{padding:30px 24px 28px;border-top:1px solid var(--rule-2)}
  .stat:first-child,.stat:nth-child(2){border-top:0}
  .stat:nth-child(odd){border-left:0;padding-left:0}
  .stat:nth-child(even){padding-right:0}

  .cap{grid-template-columns:44px 1fr;gap:8px 20px}
  .cap-num{grid-row:span 2}

  .step{grid-template-columns:1fr;gap:8px}
  .step-when{padding-top:0}

  .hero{padding-block:64px 52px}
  .sec-head{margin-bottom:40px}
  .stack-lg > * + *{margin-top:32px}
  .foot-top{grid-template-columns:1fr 1fr;gap:36px}
  .foot-brand{grid-column:1 / -1}
  .prose h2{margin-top:42px}
}

/* --- Responsive: 560px ---------------------------------------------------- */

@media (max-width:560px){
  :root{--gutter:20px;--band:52px}

  body{font-size:16px}
  .lede,.hero-lede,.sec-head p{font-size:17.5px}
  .h-hero{font-size:31px}

  /* Descriptor is dropped and the mark reduced, so the lockup still reads at
     the narrowest width without wrapping the wordmark. */
  .descriptor{display:none}
  .mark i{height:2px}
  .mark i:nth-child(1){width:17px}
  .mark i:nth-child(2){width:12px}
  .mark i:nth-child(3){width:15px}
  .mark i:nth-child(4){width:9px}
  .lockup{gap:10px}
  .wordmark{font-size:13.5px;letter-spacing:.09em}
  .site-foot .descriptor{display:block}

  .head-in{gap:14px;padding-block:13px}
  .nav{gap:14px}
  .nav a{font-size:14px}

  .btn{display:block;width:100%;text-align:center}
  .btn-row{flex-direction:column;gap:12px}
  /* The nav CTA stays inline and on one line — it is the only button that
     must not go full-width. */
  .nav a.btn{display:inline-block;width:auto;white-space:nowrap;padding:9px 13px;font-size:13px}

  .stats-grid{grid-template-columns:1fr}
  .stat{padding:26px 0;border-left:0;padding-left:0;border-top:1px solid var(--rule-2)}
  .stat:first-child{border-top:0}
  .stat:nth-child(2){border-top:1px solid var(--rule-2)}
  .stat-fig{font-size:38px}

  .card{padding:26px 22px}
  .callout{padding:22px 20px}
  .pull{padding-left:20px;margin:32px 0}
  .artifact-head{flex-direction:column;gap:6px;align-items:flex-start}
  .artifact-row{grid-template-columns:1fr;gap:12px;align-items:start}
  .pill{justify-self:start}

  .form-grid{grid-template-columns:1fr;gap:18px}
  .faq summary{font-size:16px;padding-right:36px}
  .faq .answer{padding-right:0}

  .foot-top{grid-template-columns:1fr;gap:32px}
  .foot-bot{flex-direction:column;gap:10px}
  .prose p{font-size:16.5px}
}

/* --- Nav overflow at the narrowest widths --------------------------------- */

@media (max-width:430px){
  .head-in{flex-wrap:wrap}
  .nav{width:100%;justify-content:space-between;gap:10px}
  .nav a{font-size:13px}
}

/* --- Print ---------------------------------------------------------------- */

@media print{
  .site-head,.btn-row,.skip{display:none}
  body{background:var(--white);font-size:11pt}
  .band{padding-block:24px}
}