/* security.css — "The Abstract of Security".
   A recorded civic instrument resting on an archivist's desk. Loaded ONLY on the
   demo-only /security page (via base.html's head block), so every selector is
   scoped under .vault and nothing here can touch the rest of the site.
   CSP-safe: no inline styles/scripts; fonts are the site's self-hosted faces. */

.vault{
  /* page-local palette: deep desk, warm document, brass + oxblood */
  --desk:#141d1b; --desk-2:#0d1413; --desk-hi:#22302d;
  --doc:#f2e9d6; --doc-2:#e9ddc3; --doc-edge:#fffaf0;
  --ink:#1e2620; --ink-soft:#574f42; --ink-faint:#8c8473;
  --brass:#bb8a3e; --brass-hi:#e4cf95; --brass-deep:#8a652a;
  --seal:#8c3620;                       /* oxblood / brick-deep */
  --rule:rgba(30,38,32,.20); --rule-soft:rgba(30,38,32,.10);
  --mono:"Spline Sans Mono",ui-monospace,monospace;
  --serif:"Fraunces",Georgia,serif;
  --sans:"Public Sans",system-ui,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);

  /* full-bleed out of the centered <main>, cancelling its padding */
  margin:-30px calc(50% - 50vw) -80px;
  padding:clamp(44px,7vw,104px) clamp(16px,5vw,40px) clamp(84px,10vw,148px);
  position:relative; overflow:hidden;
  color:var(--ink); font-family:var(--sans);
  background:
    radial-gradient(135% 90% at 50% -12%, var(--desk-hi) 0%, var(--desk) 46%, var(--desk-2) 100%);
}
/* faint desk grain */
.vault::after{
  content:""; position:absolute; inset:0; pointer-events:none; opacity:.05;
  mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---- the document ---------------------------------------------------------- */
.vault-doc{
  position:relative; z-index:1;
  max-width:860px; margin:0 auto;
  padding:clamp(38px,5vw,76px) clamp(24px,5vw,70px) clamp(48px,6vw,80px);
  border-radius:3px;
  color:var(--ink);
  background:
    repeating-linear-gradient(0deg, transparent 0 23px, rgba(30,38,32,.030) 23px 24px),
    linear-gradient(180deg, var(--doc-edge) 0%, var(--doc) 7%, var(--doc) 93%, var(--doc-2) 100%);
  background-color:var(--doc);
  box-shadow:
    0 44px 84px -30px rgba(0,0,0,.66),
    0 14px 32px -14px rgba(0,0,0,.5),
    0 2px 0 rgba(255,250,240,.45) inset;
}
/* engraved brass frame */
.vault-doc::before{
  content:""; position:absolute; inset:13px; pointer-events:none; border-radius:2px;
  border:1px solid var(--brass);
  box-shadow:0 0 0 1px rgba(187,138,62,.22), inset 0 0 22px rgba(138,101,42,.10);
}

/* ---- masthead -------------------------------------------------------------- */
.vault-mast{
  position:relative;
  display:grid; grid-template-columns:minmax(0,1fr) auto;
  column-gap:clamp(14px,3vw,40px); align-items:start;
  margin-bottom:clamp(10px,2vw,18px);
}
.vault-kicker,.vault-title,.vault-rule,.vault-lead{grid-column:1; margin-left:0}
.vault-kicker{
  font-family:var(--mono); text-transform:uppercase; letter-spacing:.24em;
  font-size:11px; color:var(--brass-deep); margin:0 0 20px;
}
.vault-title{
  font-family:var(--serif); font-weight:600; font-optical-sizing:auto;
  font-variation-settings:"opsz" 72,"wght" 590,"SOFT" 4,"WONK" 1;
  font-size:clamp(34px,6.6vw,64px); line-height:1.01; letter-spacing:-.018em;
  margin:0; color:var(--ink); text-wrap:balance;
}
.vault-title em{font-style:italic; font-weight:500; color:var(--seal);
  font-variation-settings:"opsz" 72,"wght" 480,"SOFT" 40,"WONK" 1;}
.vault-rule{
  height:2px; margin:26px 0 24px; transform-origin:left;
  background:linear-gradient(90deg, var(--brass) 0, var(--brass) 70px,
            var(--rule) 70px, var(--rule) 100%);
}
.vault-lead{
  font-size:clamp(16px,1.7vw,18.5px); line-height:1.62; max-width:60ch;
  color:var(--ink-soft); margin:0;
}

/* the wax seal, spanning the masthead's right column */
.vault-seal{
  grid-column:2; grid-row:1 / span 4; align-self:start;
  width:clamp(98px,15vw,150px); height:auto;
  transform:rotate(-7deg); transform-origin:60% 40%;
  color:var(--seal); margin-top:2px;
}
.seal-ring{fill:none; stroke:var(--seal); stroke-width:2.2;}
.seal-ring--in{stroke-width:1; opacity:.65;}
.seal-legend{
  fill:var(--seal); font-family:var(--mono); font-weight:500;
  font-size:9.4px; letter-spacing:.1em; text-transform:uppercase;
}
.seal-mark .ink{fill:none; stroke:var(--seal); stroke-width:2.6;
  stroke-linecap:round; stroke-linejoin:round;}
.seal-foot{fill:var(--seal); font-family:var(--mono); font-size:7.5px;
  letter-spacing:.22em; text-anchor:middle; text-transform:uppercase;}

/* demo-data caveat */
.vault-note{
  margin:clamp(22px,3vw,30px) 0 0; padding:14px 18px;
  font-size:14px; line-height:1.55; color:var(--ink-soft);
  border-left:3px solid var(--brass);
  background:linear-gradient(90deg, rgba(187,138,62,.10), rgba(187,138,62,0));
}

/* ---- the articles ---------------------------------------------------------- */
.vault-articles{list-style:none; margin:clamp(26px,4vw,42px) 0 0; padding:0;}
.vault-article{
  position:relative;
  display:grid; grid-template-columns:94px minmax(0,1fr);
  column-gap:clamp(16px,3vw,34px);
  padding:clamp(26px,3.4vw,38px) 0;
  border-top:1px solid var(--rule);
}
.vault-article:first-child{border-top:0; padding-top:clamp(14px,2vw,22px);}

.art-mark{
  text-align:right; padding-top:5px; padding-right:clamp(10px,2vw,20px);
  border-right:1px solid var(--rule-soft);
}
.art-num{
  display:block; font-family:var(--serif); font-weight:560; line-height:1;
  font-variation-settings:"opsz" 40,"wght" 560,"SOFT" 0,"WONK" 1;
  font-size:clamp(30px,4.4vw,46px); color:var(--ink);
  transition:color .4s var(--ease);
}
.art-label{
  display:block; margin-top:7px; font-family:var(--mono);
  font-size:9px; letter-spacing:.24em; text-transform:uppercase; color:var(--ink-faint);
}

.art-body{position:relative; min-width:0;}
.art-glyph{width:42px; height:42px; display:block; margin:0 0 14px;}
.art-glyph .ink{fill:none; stroke:var(--ink-soft); stroke-width:2.1;
  stroke-linecap:round; stroke-linejoin:round; transition:stroke .4s var(--ease);}
.art-body h2{
  font-family:var(--serif); font-weight:580; font-optical-sizing:auto;
  font-variation-settings:"opsz" 34,"wght" 575,"SOFT" 0,"WONK" 0;
  font-size:clamp(20px,2.5vw,27px); line-height:1.18; letter-spacing:-.012em;
  margin:0 0 12px; color:var(--ink); text-wrap:balance;
}
.art-body p{
  font-size:clamp(14.5px,1.5vw,16.5px); line-height:1.62; color:var(--ink-soft);
  margin:0; max-width:58ch;
}
.art-margin{
  margin-top:15px !important; padding-left:14px; max-width:42ch;
  font-family:var(--serif); font-style:italic; font-size:15.5px;
  color:var(--seal); border-left:2px solid var(--brass);
}

@media (hover:hover){
  .vault-article:hover .art-num{color:var(--brass-deep);}
  .vault-article:hover .art-glyph .ink{stroke:var(--seal);}
}

/* ---- attestation ----------------------------------------------------------- */
.vault-attest{margin-top:clamp(34px,5vw,54px);}
.vault-rule--double{
  height:0; margin:0 0 22px; transform-origin:left;
  border-top:2px solid var(--ink);
  box-shadow:0 4px 0 -3px var(--ink);
  background:none;
}
.attest-head{
  font-family:var(--mono); text-transform:uppercase; letter-spacing:.26em;
  font-size:11px; color:var(--brass-deep); margin:0 0 14px;
}
.attest-body{
  font-family:var(--serif); font-style:italic; font-size:clamp(16px,1.8vw,19px);
  line-height:1.56; color:var(--ink); max-width:62ch; margin:0 0 26px;
}
.attest-sign{
  display:flex; align-items:center; gap:14px;
  font-family:var(--mono); font-size:10.5px; letter-spacing:.12em;
  text-transform:uppercase; color:var(--ink-soft); margin:0;
}
.attest-line{display:inline-block; width:90px; height:1px; background:var(--ink); flex:0 0 auto;}

/* ---- narrow screens -------------------------------------------------------- */
@media (max-width:640px){
  .vault-mast{grid-template-columns:1fr;}
  .vault-seal{grid-column:1; grid-row:auto; justify-self:start; width:96px; margin:0 0 14px;}
  .vault-article{grid-template-columns:1fr;}
  .art-mark{
    display:flex; align-items:baseline; gap:11px; text-align:left;
    border-right:0; border-bottom:1px solid var(--rule-soft);
    padding:0 0 10px; margin-bottom:15px;
  }
  .art-num{font-size:30px;}
  .art-label{margin-top:0;}
}

/* ---- motion: one orchestrated page load ------------------------------------ */
/* Default state is fully visible (reduced-motion users see the finished page).
   Only here do elements start hidden and animate in. */
/* Text appears statically. Only the IMAGES animate: the wax seal at the top, and
   the ink glyphs in Articles I and II. The dash "hidden" state is scoped to just
   those three, so every other glyph renders drawn-and-static (never invisible). */
@media (prefers-reduced-motion:no-preference){
  .vault-seal{animation:seal-stamp .7s cubic-bezier(.2,.85,.25,1) .25s both;}
  .seal-mark .ink,
  .vault-article:nth-child(1) .art-glyph .ink,
  .vault-article:nth-child(2) .art-glyph .ink{stroke-dasharray:1; stroke-dashoffset:1;}
  .seal-mark .ink{animation:ink-draw 1.1s var(--ease) .45s both;}
  .vault-article:nth-child(1) .art-glyph .ink{animation:ink-draw .95s var(--ease) .7s both;}
  .vault-article:nth-child(2) .art-glyph .ink{animation:ink-draw .95s var(--ease) .95s both;}
}
@keyframes seal-stamp{
  0%{opacity:0; transform:rotate(-7deg) scale(1.55);}
  55%{opacity:1;}
  100%{opacity:1; transform:rotate(-7deg) scale(1);}
}
@keyframes ink-draw{to{stroke-dashoffset:0;}}