/* vectaris.online — original stylesheet.
   System fonts only. No @import, no remote assets, no third-party requests. */

:root{
  --ink:#0f172a;
  --ink-2:#334155;
  --muted:#64748b;
  --line:#e2e8f0;
  --line-2:#cbd5e1;
  --bg:#ffffff;
  --surface:#f8fafc;
  --surface-2:#f1f5f9;
  --brand:#4f46e5;
  --brand-2:#6366f1;
  --brand-soft:#eef2ff;
  --brand-ink:#3730a3;
  --teal:#0d9488;
  --teal-soft:#f0fdfa;
  --amber:#b45309;
  --amber-soft:#fffbeb;
  --amber-line:#fde68a;
  --rose:#be123c;
  --radius:14px;
  --radius-s:9px;
  --shadow:0 1px 2px rgba(15,23,42,.06), 0 8px 24px -12px rgba(15,23,42,.18);
  --maxw:1200px;
  --font:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
         Arial, "Noto Sans", "Liberation Sans", sans-serif;
  --mono:ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
         "Liberation Mono", monospace;
}

@media (prefers-color-scheme: dark){
  :root{
    --ink:#e8edf7;
    --ink-2:#c3cddf;
    --muted:#94a3b8;
    --line:#243049;
    --line-2:#3a486a;
    --bg:#0b1020;
    --surface:#111830;
    --surface-2:#161f3b;
    --brand:#8b93ff;
    --brand-2:#a5abff;
    --brand-soft:#1b2246;
    --brand-ink:#c7cbff;
    --teal:#2dd4bf;
    --teal-soft:#0f2b2a;
    --amber:#fbbf24;
    --amber-soft:#2a2210;
    --amber-line:#4d3d10;
    --rose:#fb7185;
    --shadow:0 1px 2px rgba(0,0,0,.4), 0 10px 30px -14px rgba(0,0,0,.7);
  }
}

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

html{-webkit-text-size-adjust:100%; scroll-behavior:smooth}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-size:17px;
  line-height:1.68;
  -webkit-font-smoothing:antialiased;
}

img,svg{max-width:100%; height:auto}

a{color:var(--brand); text-decoration:underline; text-underline-offset:2px}
a:hover{color:var(--brand-2)}
a:focus-visible,button:focus-visible{outline:3px solid var(--brand-2); outline-offset:2px; border-radius:4px}

h1,h2,h3,h4{line-height:1.22; color:var(--ink); margin:0 0 .5em; letter-spacing:-.015em}
h1{font-size:clamp(1.9rem,1.25rem + 2.2vw,3rem); font-weight:800}
h2{font-size:clamp(1.4rem,1.1rem + 1.1vw,1.95rem); font-weight:750; margin-top:2.1em}
h3{font-size:clamp(1.12rem,1rem + .5vw,1.35rem); font-weight:700; margin-top:1.7em}
h4{font-size:1.02rem; font-weight:700}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.2em; padding-left:1.3em}
li{margin:.4em 0}
strong{font-weight:680; color:var(--ink)}
hr{border:0; border-top:1px solid var(--line); margin:2.4em 0}
small{font-size:.86rem}

.skip{position:absolute; left:-9999px; top:0}
.skip:focus{left:8px; top:8px; z-index:200; background:var(--brand); color:#fff;
  padding:10px 16px; border-radius:8px; text-decoration:none}

/* ---------- top disclosure bar (must precede all commercial content) ---------- */
.adbar{
  background:var(--brand-ink);
  color:#fff;
  font-size:.86rem;
  line-height:1.45;
  padding:9px 18px;
  text-align:center;
}
@media (prefers-color-scheme: dark){ .adbar{background:#2a3270} }
.adbar b{font-weight:700; letter-spacing:.05em; text-transform:uppercase; font-size:.78rem}
.adbar a{color:#fff; text-decoration:underline}

/* ---------- header ---------- */
.site-head{
  position:sticky; top:0; z-index:50;
  background:color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter:saturate(1.6) blur(10px);
  border-bottom:1px solid var(--line);
}
.site-head .inner{
  max-width:var(--maxw); margin:0 auto; padding:12px 20px;
  display:flex; align-items:center; gap:18px; flex-wrap:wrap;
}
.brand{display:inline-flex; align-items:center; gap:10px; text-decoration:none; color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand svg{width:30px; height:30px; display:block}
.brand-name{font-weight:800; font-size:1.18rem; letter-spacing:-.02em}
.brand-sub{display:block; font-size:.7rem; font-weight:600; letter-spacing:.14em;
  text-transform:uppercase; color:var(--muted); margin-top:-2px}
.site-nav{margin-left:auto; display:flex; gap:4px; flex-wrap:wrap}
.site-nav a{
  color:var(--ink-2); text-decoration:none; font-size:.93rem; font-weight:560;
  padding:7px 11px; border-radius:8px;
}
.site-nav a:hover{background:var(--surface-2); color:var(--ink)}
.site-nav a[aria-current="page"]{background:var(--brand-soft); color:var(--brand-ink)}

/* ---------- layout ---------- */
.shell{max-width:var(--maxw); margin:0 auto; padding:0 20px}
.cols{
  display:grid; gap:40px; align-items:start;
  grid-template-columns:minmax(0,1fr) 320px;
  padding:34px 0 10px;
}
.narrow{max-width:760px; margin:0 auto; padding:34px 0 10px}
@media (max-width:980px){ .cols{grid-template-columns:minmax(0,1fr); gap:34px} }
main{min-width:0}
.rail{display:flex; flex-direction:column; gap:20px}
@media (min-width:981px){ .rail{position:sticky; top:84px} }

/* ---------- article furniture ---------- */
.eyebrow{
  display:inline-block; font-size:.74rem; font-weight:700; letter-spacing:.14em;
  text-transform:uppercase; color:var(--brand); margin-bottom:10px;
}
.byline{
  display:flex; flex-wrap:wrap; gap:8px 16px; align-items:center;
  font-size:.9rem; color:var(--muted);
  border-top:1px solid var(--line); border-bottom:1px solid var(--line);
  padding:12px 0; margin:0 0 24px;
}
.byline strong{color:var(--ink-2); font-weight:650}
.standfirst{font-size:1.14rem; color:var(--ink-2); margin-bottom:1.3em}

/* ---------- disclosure box ---------- */
.disclosure{
  border:1px solid var(--amber-line);
  background:var(--amber-soft);
  border-radius:var(--radius);
  padding:16px 18px;
  margin:0 0 28px;
}
.disclosure h2,.disclosure h3,.disclosure p{margin-top:0}
.disclosure .tag{
  display:inline-block; font-size:.7rem; font-weight:800; letter-spacing:.12em;
  text-transform:uppercase; color:var(--amber); margin-bottom:6px;
}
.disclosure p{font-size:.95rem; color:var(--ink-2); margin-bottom:0}
.disclosure p + p{margin-top:.6em}

/* ---------- callouts ---------- */
.note{
  border-left:4px solid var(--brand);
  background:var(--brand-soft);
  border-radius:0 var(--radius-s) var(--radius-s) 0;
  padding:14px 18px; margin:1.6em 0;
}
.note p:last-child{margin-bottom:0}
.note h3,.note h4{margin-top:0}
.correction{border-left-color:var(--rose); background:var(--surface)}
.fact{border-left-color:var(--teal); background:var(--teal-soft)}

/* ---------- cards ---------- */
.card{
  border:1px solid var(--line); background:var(--surface);
  border-radius:var(--radius); padding:20px; box-shadow:var(--shadow);
}
.card h3,.card h4{margin-top:0}
.card p:last-child{margin-bottom:0}
.grid{display:grid; gap:18px; margin:1.6em 0}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}

/* ---------- promo block ---------- */
.promo{
  border:1px solid var(--line); border-radius:var(--radius);
  background:var(--surface); padding:20px; box-shadow:var(--shadow);
  margin:2em 0;
}
.promo .tag{
  display:inline-block; font-size:.68rem; font-weight:800; letter-spacing:.13em;
  text-transform:uppercase; color:var(--amber);
  background:var(--amber-soft); border:1px solid var(--amber-line);
  padding:3px 8px; border-radius:999px; margin-bottom:10px;
}
.promo h3{margin:0 0 .4em; font-size:1.1rem}
.promo p{font-size:.96rem; color:var(--ink-2)}
.promo ul{font-size:.94rem; color:var(--ink-2); padding-left:1.1em}

/* ---------- buttons + partner labelling ---------- */
.cta-wrap{margin:1.6em 0}
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:9px;
  font-family:inherit; font-size:1rem; font-weight:680; line-height:1.2;
  padding:14px 24px; border-radius:11px; text-decoration:none;
  border:1px solid transparent; cursor:pointer;
}
.btn-primary{background:var(--brand); color:#fff; border-color:var(--brand)}
.btn-primary:hover{background:var(--brand-2); color:#fff}
.btn-outline{background:transparent; color:var(--brand); border-color:var(--line-2)}
.btn-outline:hover{background:var(--brand-soft); color:var(--brand-ink)}
.btn-full{display:flex; width:100%}
.btn .plabel{
  font-size:.66rem; font-weight:800; letter-spacing:.09em; text-transform:uppercase;
  background:rgba(255,255,255,.22); border-radius:999px; padding:3px 7px;
}
.btn-outline .plabel{background:var(--brand-soft); color:var(--brand-ink)}
@media (prefers-color-scheme: dark){ .btn-primary{color:#0b1020} .btn-primary .plabel{background:rgba(11,16,32,.18)} }
.cta-note{
  display:block; font-size:.84rem; color:var(--muted); margin-top:8px; max-width:62ch;
}
.cta-note .pl{font-weight:700; color:var(--ink-2)}

/* ---------- figures ---------- */
figure{margin:2em 0; border:1px solid var(--line); border-radius:var(--radius);
  overflow:hidden; background:var(--surface)}
figure svg,figure img{display:block; width:100%; height:auto; background:#f8fafc}
figcaption{font-size:.88rem; color:var(--muted); padding:12px 16px;
  border-top:1px solid var(--line)}

/* ---------- tables ---------- */
.table-wrap{overflow-x:auto; margin:1.8em 0; border:1px solid var(--line);
  border-radius:var(--radius)}
table{border-collapse:collapse; width:100%; font-size:.95rem; min-width:520px}
th,td{padding:11px 14px; text-align:left; border-bottom:1px solid var(--line);
  vertical-align:top}
thead th{background:var(--surface-2); font-weight:700; font-size:.85rem;
  letter-spacing:.03em; text-transform:uppercase; color:var(--ink-2)}
tbody tr:last-child td{border-bottom:0}
td.yes{color:var(--teal); font-weight:650}
td.no{color:var(--rose); font-weight:650}

/* ---------- toc ---------- */
.toc{border:1px solid var(--line); background:var(--surface);
  border-radius:var(--radius); padding:18px 20px; margin:0 0 28px}
.toc h2{margin:0 0 .6em; font-size:.78rem; letter-spacing:.13em;
  text-transform:uppercase; color:var(--muted); font-weight:700}
.toc ol{margin:0; padding-left:1.2em; font-size:.95rem}
.toc li{margin:.3em 0}

/* ---------- sources ---------- */
.sources{font-size:.92rem; color:var(--ink-2)}
.sources li{margin:.55em 0; word-break:break-word}

/* ---------- footer ---------- */
.site-foot{
  margin-top:56px; border-top:1px solid var(--line);
  background:var(--surface); color:var(--ink-2);
}
.site-foot .inner{max-width:var(--maxw); margin:0 auto; padding:36px 20px 44px}
.foot-grid{display:grid; gap:28px; grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  margin-bottom:28px}
.foot-grid h3{font-size:.78rem; letter-spacing:.13em; text-transform:uppercase;
  color:var(--muted); margin:0 0 .8em; font-weight:700}
.foot-grid ul{list-style:none; margin:0; padding:0; font-size:.93rem}
.foot-grid li{margin:.42em 0}
.foot-grid a{color:var(--ink-2); text-decoration:none}
.foot-grid a:hover{color:var(--brand); text-decoration:underline}
.foot-id{font-size:.88rem; line-height:1.6; color:var(--muted)}
.foot-id strong{color:var(--ink-2)}
.foot-legal{border-top:1px solid var(--line); padding-top:20px; font-size:.84rem;
  color:var(--muted); display:flex; flex-wrap:wrap; gap:10px 22px; justify-content:space-between}
.foot-legal p{margin:0 0 .5em; max-width:72ch}

address{font-style:normal}
code{font-family:var(--mono); font-size:.9em; background:var(--surface-2);
  padding:2px 6px; border-radius:5px}

.lede-list{list-style:none; padding:0}
.lede-list li{padding-left:26px; position:relative}
.lede-list li::before{content:"✓"; position:absolute; left:0; color:var(--teal); font-weight:800}
.x-list{list-style:none; padding:0}
.x-list li{padding-left:26px; position:relative}
.x-list li::before{content:"✕"; position:absolute; left:0; color:var(--rose); font-weight:800}

.updated{font-size:.88rem; color:var(--muted); margin-bottom:1.6em}
.q{font-weight:700; margin-bottom:.2em}

.linklist{list-style:none; padding:0; margin:0; font-size:.95rem}
.linklist li{margin:.5em 0; padding-left:16px; position:relative}
.linklist li::before{content:"›"; position:absolute; left:0; color:var(--brand); font-weight:700}