/* Blue Paw Software — site styles.
   Layout concept: an instrument-panel hero (a live strip-chart recorder),
   left-aligned editorial columns on a 12-column grid, proof set as a
   factory-acceptance test sheet, and a footer laid out as a drawing title block. */

@font-face{font-family:"Archivo BP";src:url("fonts/archivo-var.woff2") format("woff2");font-weight:100 900;font-stretch:62% 125%;font-style:normal;font-display:swap}
@font-face{font-family:"Source Sans BP";src:url("fonts/source-sans-3-var.woff2") format("woff2");font-weight:200 900;font-style:normal;font-display:swap}
@font-face{font-family:"Source Sans BP";src:url("fonts/source-sans-3-var-italic.woff2") format("woff2");font-weight:200 900;font-style:italic;font-display:swap}
@font-face{font-family:"Plex Mono BP";src:url("fonts/plex-mono-400.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}

:root{
  /* colour: cool paper, ink, and one engineering blue (Vault's first pen) */
  --paper:#F5F7FA;
  --surface:#FFFFFF;
  --sunk:#EBEFF4;
  --ink:#0F1720;
  --ink-2:#465263;
  --ink-3:#5E6A7A;
  --rule:#D5DCE4;
  --rule-strong:#AEB8C5;
  --pen:#0A5FB4;
  --paw:#1A558A;
  --pen-deep:#084A8C;
  --pen-wash:#E3EEF9;
  --on-pen:#FFFFFF;
  --gap:#A8640D;
  --gap-wash:#FBEFDD;
  --ok:#17795A;
  --ok-wash:#E1F2EA;
  /* the recorder panel is always the control-room night, in both themes */
  --night:#0B1A2C;
  --night-2:#12253C;
  --night-grid:#1D3350;
  --night-ink:#E4ECF5;
  --night-ink-2:#8FA3BA;
  --night-pen:#5AA8F5;
  --night-pen-2:#7FD1B9;
  --night-gap:#E9A84E;
  /* type */
  --display:"Archivo BP","Archivo","Arial Narrow",Arial,sans-serif;
  --body:"Source Sans BP","Source Sans 3","Source Sans Pro","Segoe UI",system-ui,-apple-system,sans-serif;
  --code:"Plex Mono BP","IBM Plex Mono",ui-monospace,Consolas,monospace;
  --wide:118%;
  /* space and measure */
  --gutter:clamp(16px,4vw,40px);
  --max:1200px;
  --measure:68ch;
  --radius:8px;
  --shadow:0 1px 2px rgba(15,23,32,.06),0 12px 32px -12px rgba(15,23,32,.18);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#0C131C;--surface:#121C28;--sunk:#0F1823;--ink:#E7EDF4;--ink-2:#A6B3C2;--ink-3:#8D9AAB;
    --rule:#243244;--rule-strong:#3A4B60;--pen:#5AA8F5;--paw:#6AAEF0;--pen-deep:#8CC3FA;--pen-wash:#13304F;--on-pen:#06121F;
    --gap:#E9A84E;--gap-wash:#332410;--ok:#4FC495;--ok-wash:#0F2E23;
    --night:#08121E;--night-2:#0E1D30;--night-grid:#1A2F49;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 16px 40px -16px rgba(0,0,0,.6);
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --paper:#0C131C;--surface:#121C28;--sunk:#0F1823;--ink:#E7EDF4;--ink-2:#A6B3C2;--ink-3:#8D9AAB;
  --rule:#243244;--rule-strong:#3A4B60;--pen:#5AA8F5;--paw:#6AAEF0;--pen-deep:#8CC3FA;--pen-wash:#13304F;--on-pen:#06121F;
  --gap:#E9A84E;--gap-wash:#332410;--ok:#4FC495;--ok-wash:#0F2E23;
  --night:#08121E;--night-2:#0E1D30;--night-grid:#1A2F49;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 16px 40px -16px rgba(0,0,0,.6);
  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-top:88px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:1.0625rem;line-height:1.6;font-feature-settings:"kern","liga";-webkit-font-smoothing:antialiased}
img,svg,video,canvas{max-width:100%;display:block}
img{height:auto}
a{color:var(--pen);text-underline-offset:.18em;text-decoration-thickness:1px}
a:hover{color:var(--pen-deep);text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--pen);outline-offset:3px;border-radius:3px}
::selection{background:var(--pen-wash)}
[hidden]{display:none!important}
.num,table,.tabular{font-variant-numeric:tabular-nums lining-nums}

/* ---------- type scale (1.25, from 17px) ---------- */
h1,h2,h3,h4{font-family:var(--display);font-stretch:var(--wide);color:var(--ink);text-wrap:balance;margin:0}
h1{font-size:clamp(2.35rem,5.4vw,4.25rem);line-height:1.02;font-weight:760;letter-spacing:-.022em}
h2{font-size:clamp(1.7rem,3.2vw,2.5rem);line-height:1.08;font-weight:720;letter-spacing:-.016em}
h3{font-size:1.3rem;line-height:1.2;font-weight:680;letter-spacing:-.008em}
h4{font-size:1.06rem;line-height:1.3;font-weight:660}
p{margin:0}
.lede{font-size:clamp(1.15rem,1.6vw,1.3rem);line-height:1.5;color:var(--ink-2);max-width:var(--measure);text-wrap:pretty}
.small{font-size:.9rem;line-height:1.5;color:var(--ink-2)}
.muted{color:var(--ink-2)}
code,kbd,pre{font-family:var(--code);font-size:.88em}
code{background:var(--sunk);border:1px solid var(--rule);border-radius:4px;padding:.05em .35em}
pre{background:var(--night);color:var(--night-ink);border-radius:var(--radius);padding:18px 20px;overflow-x:auto;line-height:1.55;font-size:.85rem}
pre code{background:none;border:0;padding:0;color:inherit;font-size:inherit}

/* ---------- frame ---------- */
.wrap{max-width:var(--max);margin-inline:auto;padding-inline:var(--gutter)}
.skip{position:absolute;left:-9999px;top:8px;z-index:100;background:var(--surface);color:var(--ink);padding:10px 14px;border:2px solid var(--pen);border-radius:6px}
.skip:focus{left:12px}
main{display:block}
.section{padding-block:clamp(56px,8vw,104px)}
.section.tight{padding-block:clamp(40px,5vw,64px)}
.section.alt{background:var(--surface);border-block:1px solid var(--rule)}
.stack{display:flex;flex-direction:column;gap:20px}
.stack-sm{display:flex;flex-direction:column;gap:10px}
.stack-lg{display:flex;flex-direction:column;gap:36px}
.head{display:flex;flex-direction:column;gap:16px;max-width:62ch;margin-bottom:clamp(28px,4vw,48px)}
.head p{color:var(--ink-2);font-size:1.12rem;line-height:1.55;text-wrap:pretty}

/* ---------- header ---------- */
.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--rule)}
.site-header .wrap{display:flex;align-items:center;gap:24px;min-height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;flex-shrink:0}
.brand:hover{color:var(--ink)}
.brand svg{width:42px;height:42px}
.brand .word{font-family:var(--display);font-stretch:112%;font-weight:760;font-size:1.12rem;letter-spacing:-.01em;line-height:1}
.brand .word span{font-weight:420;color:var(--ink-2)}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav a{color:var(--ink);text-decoration:none;font-weight:560;font-size:1rem;padding:10px 12px;border-radius:6px}
.nav a:hover{background:var(--sunk);color:var(--ink)}
.nav a[aria-current="page"]{color:var(--pen);box-shadow:inset 0 -2px 0 var(--pen);border-radius:0}
.nav .btn{margin-left:10px}
.nav a.btn-primary,.nav a.btn-primary:hover{color:var(--on-pen)}
.nav a.btn-primary:hover{background:var(--pen-deep)}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--rule-strong);border-radius:6px;min-height:44px;min-width:44px;padding:0 12px;color:var(--ink);font:inherit;font-weight:600;cursor:pointer;align-items:center;gap:8px}
.menu-btn svg{width:18px;height:18px}
@media (max-width:900px){
  .menu-btn{display:inline-flex}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;background:var(--paper);border-bottom:1px solid var(--rule);padding:8px var(--gutter) 18px;margin:0}
  .nav.open{display:flex}
  .nav a{padding:14px 4px;border-bottom:1px solid var(--rule);border-radius:0}
  .nav a[aria-current="page"]{box-shadow:none}
  .nav .btn{margin:14px 0 0;justify-content:center}
}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:6px;font-family:var(--body);font-weight:650;font-size:1.02rem;text-decoration:none;border:1.5px solid transparent;cursor:pointer;line-height:1.1;white-space:nowrap}
.btn-primary{background:var(--pen);color:var(--on-pen);border-color:var(--pen)}
.btn-primary:hover{background:var(--pen-deep);border-color:var(--pen-deep);color:var(--on-pen)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--rule-strong)}
.btn-ghost:hover{border-color:var(--ink);color:var(--ink)}
.btn-sm{min-height:40px;padding:0 14px;font-size:.95rem}
.actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}

/* ---------- hero ---------- */
.hero{padding-block:clamp(40px,6vw,80px) clamp(48px,6vw,88px)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(0,1fr);gap:clamp(32px,5vw,64px);align-items:center}
.hero-copy{display:flex;flex-direction:column;gap:24px;min-width:0}
.hero-copy .lede{max-width:46ch}
.hero h1{font-size:clamp(2.3rem,4.1vw,3.55rem);font-stretch:112%}
.hero-note{font-size:.95rem;color:var(--ink-3);max-width:48ch}
@media (max-width:980px){.hero-grid{grid-template-columns:minmax(0,1fr)}}

/* the recorder */
.recorder{background:var(--night);color:var(--night-ink);border-radius:12px;box-shadow:var(--shadow);overflow:hidden;min-width:0;border:1px solid var(--night-grid)}
.rec-top{display:flex;flex-wrap:wrap;gap:6px 18px;align-items:baseline;padding:14px 18px 10px;border-bottom:1px solid var(--night-grid);font-size:.92rem}
.rec-site{font-family:var(--display);font-stretch:112%;font-weight:700;letter-spacing:.01em;margin-right:auto}
.rec-live{display:inline-flex;align-items:center;gap:7px;color:var(--night-ink-2);font-weight:600}
.rec-live i{width:8px;height:8px;border-radius:50%;background:var(--night-pen-2);box-shadow:0 0 0 0 rgba(127,209,185,.6);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(127,209,185,.55)}70%{box-shadow:0 0 0 9px rgba(127,209,185,0)}100%{box-shadow:0 0 0 0 rgba(127,209,185,0)}}
.rec-chips{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--night-grid);border-bottom:1px solid var(--night-grid)}
.rec-chip{background:var(--night);padding:10px 18px 12px;display:flex;flex-direction:column;gap:2px;min-width:0}
.rec-chip .name{display:flex;align-items:center;gap:8px;color:var(--night-ink-2);font-size:.86rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rec-chip .name b{width:14px;height:3px;border-radius:2px;flex-shrink:0}
.rec-chip .val{font-size:1.55rem;font-weight:600;font-variant-numeric:tabular-nums;line-height:1.15;letter-spacing:-.01em}
.rec-chip .val small{font-size:.9rem;color:var(--night-ink-2);font-weight:500;margin-left:4px}
.rec-chip .val.dash{color:var(--night-gap)}
.rec-canvas{position:relative;height:clamp(220px,26vw,300px)}
.rec-canvas canvas{width:100%;height:100%}
.rec-foot{display:flex;flex-wrap:wrap;gap:8px 18px;padding:10px 18px 12px;border-top:1px solid var(--night-grid);font-size:.84rem;color:var(--night-ink-2)}
.rec-foot .key{display:inline-flex;align-items:center;gap:8px}
.rec-foot .key b{display:inline-block;width:18px;height:10px;background:repeating-linear-gradient(135deg,rgba(233,168,78,.35) 0 3px,transparent 3px 6px);border-inline:2px solid var(--night-gap)}
.rec-caption{margin-top:14px;font-size:.95rem;color:var(--ink-2);max-width:60ch}

/* ---------- screenshots ---------- */
.shot{margin:0;display:flex;flex-direction:column;gap:12px;min-width:0}
.shot .frame{position:relative;border-radius:10px;overflow:hidden;border:1px solid var(--rule-strong);background:var(--surface);box-shadow:var(--shadow)}
.shot .bar{display:flex;align-items:center;gap:10px;height:34px;padding:0 14px;background:var(--sunk);border-bottom:1px solid var(--rule);font-size:.8rem;color:var(--ink-3)}
.shot .bar .url{flex:1;min-width:0;background:var(--surface);border:1px solid var(--rule);border-radius:5px;padding:2px 10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-variant-numeric:tabular-nums}
.shot img{width:100%;height:auto}
.shot figcaption{font-size:.95rem;color:var(--ink-2);max-width:72ch}
.shot figcaption strong{color:var(--ink)}
.pins{position:absolute;inset:0;pointer-events:none}
.pin{position:absolute;transform:translate(-50%,-50%);width:30px;height:30px;border-radius:50%;background:var(--pen);color:var(--on-pen);font-weight:700;font-size:.92rem;display:grid;place-items:center;box-shadow:0 0 0 4px color-mix(in srgb,var(--pen) 25%,transparent),0 2px 6px rgba(0,0,0,.25)}
@media (max-width:640px){.pin{width:22px;height:22px;font-size:.75rem;box-shadow:0 0 0 3px color-mix(in srgb,var(--pen) 25%,transparent)}}
.legend{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));gap:18px 28px;counter-reset:pin}
.legend li{display:grid;grid-template-columns:30px minmax(0,1fr);gap:12px;align-items:start;font-size:.98rem;color:var(--ink-2)}
.legend li::before{counter-increment:pin;content:counter(pin);width:28px;height:28px;border-radius:50%;background:var(--pen);color:var(--on-pen);font-weight:700;font-size:.88rem;display:grid;place-items:center}
.legend strong{display:block;color:var(--ink);font-weight:650;margin-bottom:2px}
.shots-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(24px,3vw,40px)}
@media (max-width:820px){.shots-2{grid-template-columns:minmax(0,1fr)}}

/* ---------- feature list ---------- */
.features{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--rule-strong)}
.feature{padding:26px 28px 30px 0;border-bottom:1px solid var(--rule);display:flex;flex-direction:column;gap:10px;min-width:0}
.feature + .feature{padding-left:28px;border-left:1px solid var(--rule)}
.feature:nth-child(3n+1){padding-left:0;border-left:0}
.feature svg{width:30px;height:30px;color:var(--pen)}
.feature p{color:var(--ink-2);font-size:1rem;text-wrap:pretty}
@media (max-width:900px){.features{grid-template-columns:repeat(2,minmax(0,1fr))}.feature:nth-child(3n+1){padding-left:28px;border-left:1px solid var(--rule)}.feature:nth-child(2n+1){padding-left:0;border-left:0}}
@media (max-width:600px){.features{grid-template-columns:minmax(0,1fr)}.feature,.feature + .feature{padding:22px 0;border-left:0}}

/* ---------- split ---------- */
.split{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,5vw,72px);align-items:start}
.split.even{grid-template-columns:repeat(2,minmax(0,1fr))}
.split.rev{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
@media (max-width:900px){.split,.split.even,.split.rev{grid-template-columns:minmax(0,1fr)}}
.ticks{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.ticks li{position:relative;padding-left:30px;color:var(--ink-2)}
.ticks li strong{color:var(--ink)}
.ticks li::before{content:"";position:absolute;left:2px;top:.55em;width:14px;height:8px;border-left:2.5px solid var(--pen);border-bottom:2.5px solid var(--pen);transform:rotate(-45deg);transform-origin:center}
.ticks.cross li::before{width:14px;height:2.5px;border:0;background:var(--ink-3);transform:none;top:.75em}

/* ---------- the incumbents (problem) ---------- */
.incumbents{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border:1px solid var(--rule);border-radius:var(--radius);background:var(--surface);overflow:hidden}
.incumbent{padding:22px 22px 24px;display:flex;flex-direction:column;gap:8px;min-width:0}
.incumbent + .incumbent{border-left:1px solid var(--rule)}
.incumbent h3{font-size:1.06rem}
.incumbent p{color:var(--ink-2);font-size:.98rem}
.incumbent .verdict{margin-top:auto;padding-top:10px;font-weight:650;color:var(--gap);font-size:.95rem}
@media (max-width:980px){.incumbents{grid-template-columns:repeat(2,minmax(0,1fr))}.incumbent:nth-child(3){border-left:0}.incumbent:nth-child(n+3){border-top:1px solid var(--rule)}}
@media (max-width:560px){.incumbents{grid-template-columns:minmax(0,1fr)}.incumbent + .incumbent{border-left:0;border-top:1px solid var(--rule)}}

/* ---------- test sheet ---------- */
.sheet{background:var(--surface);border:1px solid var(--rule-strong);border-radius:var(--radius);overflow:hidden}
.sheet-head{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-bottom:1px solid var(--rule-strong);font-size:.88rem}
.sheet-head div{padding:10px 16px;display:flex;flex-direction:column;gap:2px;min-width:0}
.sheet-head div + div{border-left:1px solid var(--rule)}
.sheet-head span{color:var(--ink-3);font-size:.8rem}
.sheet-head strong{font-weight:650}
.sheet-scroll{overflow-x:auto}
.sheet table{width:100%;border-collapse:collapse;min-width:680px;font-size:.98rem}
.sheet th,.sheet td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--rule);vertical-align:top}
.sheet thead th{font-size:.82rem;font-weight:650;color:var(--ink-3);background:var(--sunk);padding-block:9px}
.sheet tbody tr:last-child td,.sheet tbody tr:last-child th{border-bottom:0}
.sheet td.ref{color:var(--ink-3);width:64px;white-space:nowrap;font-variant-numeric:tabular-nums}
.sheet tbody th{font-weight:650;width:46%}
.sheet td.res{font-weight:650;width:34%}
.sheet .cond{display:block;color:var(--ink-2);font-size:.9rem;margin-top:4px;font-weight:400;line-height:1.45}
.stamp{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:4px;border:1.5px solid var(--ok);color:var(--ok);background:var(--ok-wash);font-weight:700;font-size:.82rem;letter-spacing:.04em}
.stamp.open{border-color:var(--gap);color:var(--gap);background:var(--gap-wash)}
.sheet-foot{padding:12px 16px;border-top:1px solid var(--rule-strong);font-size:.9rem;color:var(--ink-2);background:var(--sunk)}
@media (max-width:700px){.sheet-head{grid-template-columns:repeat(2,minmax(0,1fr))}.sheet-head div:nth-child(3){border-left:0}.sheet-head div:nth-child(n+3){border-top:1px solid var(--rule)}}

/* ---------- steps (a real sequence) ---------- */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(18px,2.4vw,28px);counter-reset:step}
.steps li{display:flex;flex-direction:column;gap:12px;min-width:0;counter-increment:step}
.steps .n{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--pen);font-size:.95rem}
.steps .n::before{content:counter(step);display:grid;place-items:center;width:28px;height:28px;border-radius:50%;border:2px solid var(--pen);font-size:.9rem}
.steps .n::after{content:"";flex:1;height:2px;background:var(--rule)}
.steps li:last-child .n::after{background:transparent}
.steps img{border:1px solid var(--rule-strong);border-radius:8px;box-shadow:var(--shadow);background:var(--surface)}
.steps p{color:var(--ink-2);font-size:.98rem}
@media (max-width:980px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.steps{grid-template-columns:minmax(0,1fr)}}

/* ---------- sectors ---------- */
.sectors{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,32px)}
.sector{display:flex;flex-direction:column;gap:10px;padding-top:18px;border-top:3px solid var(--pen);min-width:0}
.sector p{color:var(--ink-2);font-size:1rem}
.sector a{font-weight:650}
@media (max-width:860px){.sectors{grid-template-columns:minmax(0,1fr)}}

/* ---------- price ---------- */
.price-band{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px 48px;align-items:end;padding:clamp(28px,4vw,44px);background:var(--surface);border:1px solid var(--rule-strong);border-radius:12px}
.price-band .figure{font-family:var(--display);font-stretch:var(--wide);font-weight:760;font-size:clamp(2.6rem,6vw,4.4rem);line-height:1;letter-spacing:-.03em}
.price-band .figure small{font-size:.32em;font-weight:560;letter-spacing:0;color:var(--ink-2);margin-left:6px}
@media (max-width:760px){.price-band{grid-template-columns:minmax(0,1fr)}}
.plans{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(18px,2.5vw,28px)}
.plan{background:var(--surface);border:1px solid var(--rule-strong);border-radius:12px;padding:clamp(24px,3vw,34px);display:flex;flex-direction:column;gap:18px;min-width:0}
.plan.lead{border:2px solid var(--pen);box-shadow:var(--shadow)}
.plan .tag{align-self:flex-start;font-size:.85rem;font-weight:650;color:var(--pen);background:var(--pen-wash);border-radius:4px;padding:3px 9px}
.plan .amount{font-family:var(--display);font-stretch:var(--wide);font-weight:760;font-size:clamp(2.4rem,4.5vw,3.3rem);line-height:1;letter-spacing:-.03em}
.plan .amount small{font-family:var(--body);font-size:1rem;font-weight:500;color:var(--ink-2);letter-spacing:0;margin-left:6px}
.plan .after{font-size:.98rem;color:var(--ink-2)}
.plan .btn{align-self:flex-start;margin-top:auto}
@media (max-width:820px){.plans{grid-template-columns:minmax(0,1fr)}}
.terms{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border-top:1px solid var(--rule-strong)}
.terms > div{padding:22px 24px 24px 0;display:flex;flex-direction:column;gap:8px;border-bottom:1px solid var(--rule);min-width:0}
.terms > div + div{padding-left:24px;border-left:1px solid var(--rule)}
.terms p{color:var(--ink-2);font-size:1rem}
@media (max-width:860px){.terms{grid-template-columns:minmax(0,1fr)}.terms > div + div{padding-left:0;border-left:0}}

/* ---------- comparison table ---------- */
.table-scroll{overflow-x:auto;border:1px solid var(--rule-strong);border-radius:var(--radius);background:var(--surface)}
.compare{width:100%;border-collapse:collapse;min-width:820px;font-size:.96rem}
.compare th,.compare td{padding:13px 16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--rule)}
.compare thead th{background:var(--sunk);font-size:.9rem;font-weight:650;position:sticky;top:0}
.compare tbody th{font-weight:650;width:190px;color:var(--ink)}
.compare td{color:var(--ink-2)}
.compare .us{background:color-mix(in srgb,var(--pen-wash) 60%,transparent);color:var(--ink)}
.compare thead .us{background:var(--pen);color:var(--on-pen)}
.compare tbody tr:last-child th,.compare tbody tr:last-child td{border-bottom:0}

/* ---------- spec list ---------- */
.spec{display:grid;grid-template-columns:minmax(0,220px) minmax(0,1fr);border-top:1px solid var(--rule-strong);margin:0}
.spec dt,.spec dd{padding:14px 0;border-bottom:1px solid var(--rule);margin:0}
.spec dt{font-weight:650;padding-right:24px}
.spec dd{color:var(--ink-2)}
@media (max-width:640px){.spec{grid-template-columns:minmax(0,1fr)}.spec dt{border-bottom:0;padding-bottom:2px}.spec dd{padding-top:0}}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--rule-strong)}
.faq details{border-bottom:1px solid var(--rule)}
.faq summary{cursor:pointer;list-style:none;padding:20px 40px 20px 0;position:relative;font-weight:650;font-size:1.08rem;min-height:44px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:8px;top:50%;width:11px;height:11px;border-right:2px solid var(--ink-2);border-bottom:2px solid var(--ink-2);transform:translateY(-70%) rotate(45deg);transition:transform .18s ease}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq .answer{padding:0 0 22px;color:var(--ink-2);max-width:var(--measure);display:flex;flex-direction:column;gap:12px}

/* ---------- notice ---------- */
.notice{display:flex;flex-direction:column;gap:10px;padding:22px 24px;border-radius:var(--radius);background:var(--gap-wash);border:1px solid color-mix(in srgb,var(--gap) 35%,transparent)}
.notice h3{font-size:1.08rem}
.notice p,.notice li{color:var(--ink-2)}
.notice ul{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:6px}

/* ---------- CTA band ---------- */
.cta-band{background:var(--night);color:var(--night-ink);border-radius:14px;padding:clamp(32px,5vw,60px);display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px 40px;align-items:center;position:relative;overflow:hidden}
.cta-band h2{color:var(--night-ink)}
.cta-band p{color:var(--night-ink-2);max-width:56ch;margin-top:12px;font-size:1.08rem}
.cta-band .btn-primary{background:var(--night-pen);border-color:var(--night-pen);color:#06121F}
.cta-band .btn-primary:hover{background:#8CC3FA;border-color:#8CC3FA;color:#06121F}
.cta-band .btn-ghost{color:var(--night-ink);border-color:#3A5675}
.cta-band .btn-ghost:hover{border-color:var(--night-ink)}
.cta-band svg.trace{position:absolute;right:-20px;bottom:-6px;width:min(560px,70%);height:auto;opacity:.45;pointer-events:none}
.cta-band > *:not(svg){position:relative}
@media (max-width:760px){.cta-band{grid-template-columns:minmax(0,1fr)}}

/* ---------- breadcrumbs & page header ---------- */
.crumbs{font-size:.9rem;color:var(--ink-3);display:flex;flex-wrap:wrap;gap:6px;list-style:none;margin:0 0 18px;padding:0}
.crumbs li + li::before{content:"/";margin-right:6px;color:var(--rule-strong)}
.crumbs a{color:var(--ink-2);text-decoration:none}
.crumbs a:hover{color:var(--pen);text-decoration:underline}
.page-head{padding-block:clamp(36px,5vw,64px) clamp(28px,4vw,44px);border-bottom:1px solid var(--rule)}
.page-head .lede{margin-top:18px}
.page-head .actions{margin-top:26px}

/* ---------- articles ---------- */
.article-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,32px)}
.article-card{display:flex;flex-direction:column;gap:10px;padding-top:18px;border-top:1px solid var(--rule-strong);text-decoration:none;color:var(--ink);min-width:0}
.article-card:hover{color:var(--ink)}
.article-card:hover h3{color:var(--pen);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:.18em}
.article-card .meta{font-size:.88rem;color:var(--ink-3)}
.article-card p{color:var(--ink-2);font-size:1rem}
@media (max-width:900px){.article-list{grid-template-columns:minmax(0,1fr)}}
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:clamp(32px,5vw,72px);align-items:start}
@media (max-width:980px){.article-wrap{grid-template-columns:minmax(0,1fr)}.article-aside{display:none}}
.article-aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:14px;font-size:.92rem}
.article-aside h2{font-size:.95rem;font-family:var(--body);font-stretch:100%;font-weight:700;letter-spacing:0}
.article-aside ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:9px;color:var(--ink-2)}
.article-aside a{color:var(--ink-2);text-decoration:none}
.article-aside a.btn-primary,.article-aside a.btn-primary:hover{color:var(--on-pen);text-decoration:none}
.article-aside a:hover{color:var(--pen);text-decoration:underline}
.article-aside .box{padding:18px;border:1px solid var(--rule);border-radius:var(--radius);background:var(--surface);display:flex;flex-direction:column;gap:10px}
.article-aside .box p{color:var(--ink-2)}
.byline{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:.92rem;color:var(--ink-3);margin-top:18px}
.prose{max-width:var(--measure);font-size:1.1rem;line-height:1.68}
.prose > * + *{margin-top:1.05em}
.prose h2{font-size:clamp(1.45rem,2.4vw,1.85rem);margin-top:2em;scroll-margin-top:96px}
.prose h3{font-size:1.25rem;margin-top:1.7em}
.prose ul,.prose ol{padding-left:1.3em;display:flex;flex-direction:column;gap:.4em}
.prose li::marker{color:var(--ink-3)}
.prose blockquote{margin-inline:0;padding:4px 0 4px 20px;border-left:3px solid var(--pen);color:var(--ink-2)}
.prose table{width:100%;border-collapse:collapse;font-size:.96rem;display:block;overflow-x:auto}
.prose th,.prose td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--rule);vertical-align:top}
.prose thead th{background:var(--sunk);font-weight:650;font-size:.9rem}
.prose figure{margin:2em 0}
.prose figure img{border:1px solid var(--rule-strong);border-radius:8px}
.prose figcaption{font-size:.92rem;color:var(--ink-2);margin-top:10px}
.prose .callout{padding:18px 20px;background:var(--pen-wash);border-radius:var(--radius);font-size:1.02rem}
.prose .callout p + p{margin-top:.6em}
.prose hr{border:0;border-top:1px solid var(--rule);margin:2.2em 0}

/* ---------- glossary ---------- */
.glossary-nav{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 28px;padding:0;list-style:none}
.glossary-nav a{display:grid;place-items:center;min-width:40px;min-height:40px;border:1px solid var(--rule);border-radius:6px;text-decoration:none;font-weight:650;color:var(--ink);background:var(--surface)}
.glossary-nav a:hover{border-color:var(--pen);color:var(--pen)}
.glossary{display:grid;grid-template-columns:minmax(0,240px) minmax(0,1fr);border-top:1px solid var(--rule-strong);margin:0}
.glossary dt{padding:16px 24px 16px 0;border-bottom:1px solid var(--rule);font-weight:700;scroll-margin-top:96px}
.glossary dd{padding:16px 0;border-bottom:1px solid var(--rule);margin:0;color:var(--ink-2);display:flex;flex-direction:column;gap:8px}
.glossary dd .see{font-size:.92rem}
@media (max-width:640px){.glossary{grid-template-columns:minmax(0,1fr)}.glossary dt{border-bottom:0;padding-bottom:4px}.glossary dd{padding-top:0}}

/* ---------- forms ---------- */
.form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 20px;padding:clamp(22px,3vw,32px);background:var(--surface);border:1px solid var(--rule-strong);border-radius:12px}
.form .full{grid-column:1 / -1}
.field{display:flex;flex-direction:column;gap:7px;min-width:0}
.field label{font-weight:650;font-size:.98rem}
.field .hint{font-size:.88rem;color:var(--ink-3);font-weight:400}
.field input,.field select,.field textarea{font:inherit;font-size:1rem;color:var(--ink);background:var(--paper);border:1.5px solid var(--rule-strong);border-radius:6px;padding:11px 12px;min-height:46px;width:100%}
.field textarea{min-height:130px;resize:vertical;line-height:1.5}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--pen);box-shadow:0 0 0 3px color-mix(in srgb,var(--pen) 25%,transparent)}
.check{display:flex;gap:10px;align-items:flex-start;font-size:.95rem;color:var(--ink-2)}
.check input{width:20px;height:20px;margin-top:2px;accent-color:var(--pen);flex-shrink:0}
.hp{position:absolute!important;left:-10000px!important;width:1px;height:1px;overflow:hidden}
.form-status{grid-column:1 / -1;padding:14px 16px;border-radius:6px;font-weight:600}
.form-status.ok{background:var(--ok-wash);color:var(--ok);border:1px solid var(--ok)}
.form-status.err{background:var(--gap-wash);color:var(--gap);border:1px solid var(--gap)}
.form .btn{justify-self:start}
@media (max-width:640px){.form{grid-template-columns:minmax(0,1fr)}}
.contact-ways{display:flex;flex-direction:column;gap:22px}
.contact-ways > div{display:flex;flex-direction:column;gap:4px;padding-bottom:20px;border-bottom:1px solid var(--rule)}
.contact-ways .addr{font-size:1.12rem;font-weight:650;user-select:all;word-break:break-word}

/* ---------- footer: a drawing title block ---------- */
.site-footer{margin-top:clamp(56px,8vw,96px);padding-block:0 clamp(28px,4vw,40px)}
.titleblock{border:1.5px solid var(--ink);display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;font-size:.95rem;background:var(--surface)}
.titleblock > div{padding:16px 18px 18px;border-left:1px solid var(--ink);display:flex;flex-direction:column;gap:8px;min-width:0}
.titleblock > div:first-child{border-left:0}
.titleblock .cap{font-size:.78rem;font-weight:650;color:var(--ink-3)}
.titleblock ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
.titleblock a{color:var(--ink);text-decoration:none}
.titleblock a:hover{color:var(--pen);text-decoration:underline}
.titleblock .brand svg{width:30px;height:30px}
.titleblock .about{color:var(--ink-2);font-size:.92rem}
.titleblock-base{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;border:1.5px solid var(--ink);border-top:0;font-size:.84rem;color:var(--ink-2);background:var(--surface)}
.titleblock-base > div{padding:9px 18px;border-left:1px solid var(--ink);min-width:0;overflow-wrap:anywhere}
.titleblock-base > div:first-child{border-left:0}
.titleblock-base b{color:var(--ink);font-weight:650}
@media (max-width:860px){
  .titleblock,.titleblock-base{grid-template-columns:repeat(2,minmax(0,1fr))}
  .titleblock > div:nth-child(3),.titleblock-base > div:nth-child(3){border-left:0}
  .titleblock > div:nth-child(n+3),.titleblock-base > div:nth-child(n+3){border-top:1px solid var(--ink)}
}
@media (max-width:520px){
  .titleblock,.titleblock-base{grid-template-columns:minmax(0,1fr)}
  .titleblock > div,.titleblock-base > div{border-left:0}
  .titleblock > div + div,.titleblock-base > div + div{border-top:1px solid var(--ink)}
}

/* ---------- misc ---------- */
.kpis{display:flex;flex-wrap:wrap;gap:10px 28px;font-size:.95rem;color:var(--ink-2)}
.kpis b{color:var(--ink);font-weight:700}
.divider{height:1px;background:var(--rule);border:0;margin:0}
.center{text-align:center}
.mt-0{margin-top:0}
.two-col-list{columns:2 260px;column-gap:40px}
.two-col-list li{break-inside:avoid}
.err-page{min-height:50vh;display:flex;flex-direction:column;justify-content:center;gap:20px;padding-block:72px}
.err-page .code{font-family:var(--display);font-stretch:125%;font-weight:800;font-size:clamp(4rem,14vw,9rem);line-height:.9;color:var(--pen)}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}
@media print{
  .site-header,.cta-band,.menu-btn{display:none}
  body{background:#fff;color:#000}
}