/* ============ 01 reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:104px}
body,h1,h2,h3,h4,p,ul,ol,figure,blockquote,dl,dd,pre{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
time{font-variant-numeric:tabular-nums}
[hidden]{display:none !important}

/* ============ 02 tokens ============ */
:root{
  --paper-000:#F7F3EA;
  --paper-100:#EFE7D8;
  --ink-900:#0F1F1B;
  --ink-600:#3C4A45;
  --pitch-600:#12704F;
  --pitch-700:#0E5A40;
  --pitch-300:#5FA98A;
  --eblue-600:#1B4FD8;
  --eblue-100:#DDE7FC;
  --volt-500:#F26A1B;
  --volt-700:#B9480C;
  --chalk:#FFFFFF;
  --line:rgba(15,31,27,.16);
  --line-soft:rgba(15,31,27,.09);
  --line-dark:rgba(255,255,255,.16);
  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --font-sans:Inter,"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --gutter:clamp(18px,4vw,56px);
  --shell:1280px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --r-sm:2px;
  --r-md:4px;
  --shadow-1:0 1px 2px rgba(15,31,27,.05),0 10px 26px -20px rgba(15,31,27,.55);
  --shadow-2:0 2px 6px rgba(15,31,27,.08),0 20px 44px -24px rgba(15,31,27,.6);
  --header-h:104px;
}

/* ============ 03 base ============ */
body{
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.75;
  letter-spacing:.01em;
  color:var(--ink-900);
  background:var(--paper-000);
  min-height:100vh;
  display:flex;
  flex-direction:column;
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
}
main{display:block;flex:1 0 auto}
:focus-visible{outline:2px solid var(--eblue-600);outline-offset:2px;border-radius:2px}
::selection{background:var(--eblue-100);color:var(--ink-900)}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{
  position:fixed;left:16px;top:16px;z-index:220;
  display:inline-block;padding:12px 18px;
  background:var(--ink-900);color:var(--chalk);
  font-family:var(--font-mono);font-size:.8rem;letter-spacing:.08em;
  border-radius:var(--r-sm);box-shadow:var(--shadow-2);
  transform:translateY(-220%);
  transition:transform 220ms var(--ease);
}
.skip-link:focus{transform:translateY(0)}

/* ============ 04 layout ============ */
.wrap{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(44px,6.5vw,84px)}
.section__head{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:12px 18px;
  padding-bottom:14px;margin-bottom:clamp(22px,3vw,38px);
  border-bottom:1px solid var(--line);
}
.section__num{font-family:var(--font-mono);font-size:.82rem;letter-spacing:.18em;color:var(--pitch-600)}
.section__title{font-family:var(--font-display);font-weight:700;font-size:clamp(1.55rem,3vw,2.35rem);line-height:1.22;letter-spacing:-.01em}
.section__lead{margin-left:auto;max-width:46ch;font-size:.94rem;color:var(--ink-600)}
.split{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(24px,4vw,56px);align-items:start}
.split--reverse{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.grid{display:grid;gap:clamp(14px,2vw,24px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.page-head{padding-block:clamp(26px,4vw,48px) clamp(16px,2.4vw,28px)}
.page-head__kicker{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.18em;color:var(--pitch-600);text-transform:uppercase}
.page-head__title{margin-top:10px;font-family:var(--font-display);font-weight:700;font-size:clamp(2rem,5vw,3.4rem);line-height:1.14;letter-spacing:-.02em}
.page-head__lead{margin-top:14px;max-width:62ch;font-size:1.05rem;color:var(--ink-600)}

/* ============ 05 typography / prose ============ */
.prose{max-width:68ch;font-size:1.0625rem;line-height:1.78}
.prose > * + *{margin-top:1.1em}
.prose h2{font-family:var(--font-display);font-weight:700;font-size:clamp(1.45rem,2.6vw,2rem);line-height:1.28}
.prose h3{font-size:1.05rem;font-weight:700;letter-spacing:.01em}
.prose a{color:var(--eblue-600);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.prose a:hover{color:var(--volt-500)}
.prose ul > li{position:relative;padding-left:20px}
.prose ul > li + li{margin-top:.5em}
.prose ul > li::before{content:"";position:absolute;left:0;top:.7em;width:9px;height:9px;background:var(--pitch-300);clip-path:polygon(0 0,100% 0,60% 100%,0 100%)}
.prose blockquote{border-left:3px solid var(--volt-500);padding-left:18px;color:var(--ink-600);font-family:var(--font-display);font-size:1.1rem}
.prose code{font-family:var(--font-mono);font-size:.9em;background:var(--paper-100);padding:2px 6px;border-radius:var(--r-sm)}
.prose strong{font-weight:700}

/* ============ 06 buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;border:1px solid transparent;border-radius:var(--r-sm);
  font-size:.92rem;font-weight:600;letter-spacing:.02em;text-align:center;line-height:1.2;
  transition:transform 180ms var(--ease),background-color 180ms var(--ease),color 180ms var(--ease),border-color 180ms var(--ease),box-shadow 180ms var(--ease);
}
.btn--solid{background:var(--pitch-600);color:var(--chalk);clip-path:polygon(0 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%)}
.btn--solid:hover{background:var(--pitch-700);transform:translateY(-2px)}
.btn--volt{background:var(--volt-500);color:var(--chalk)}
.btn--volt:hover{background:var(--volt-700);transform:translateY(-2px)}
.btn--blue{background:var(--eblue-600);color:var(--chalk)}
.btn--blue:hover{background:#153fae;transform:translateY(-2px)}
.btn--line{border-color:var(--ink-900);color:var(--ink-900)}
.btn--line:hover{background:var(--ink-900);color:var(--chalk)}
.btn--ghost{border-color:var(--line);background:var(--paper-100);color:var(--ink-900)}
.btn--ghost:hover{border-color:var(--eblue-600);color:var(--eblue-600)}
.btn--block{width:100%}

/* ============ 07 tags / stamps / data ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border:1px solid var(--line);border-radius:999px;
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.1em;
  color:var(--ink-600);background:var(--paper-000);white-space:nowrap;
}
.tag--green{color:var(--pitch-600);border-color:var(--pitch-300);background:rgba(95,169,138,.13)}
.tag--blue{color:var(--eblue-600);border-color:rgba(27,79,216,.32);background:var(--eblue-100)}
.tag--volt{color:var(--volt-700);border-color:rgba(242,106,27,.4);background:rgba(242,106,27,.12)}
.stamp{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:.74rem;letter-spacing:.04em;color:var(--volt-500)}
.stamp__label{background:var(--volt-500);color:var(--chalk);padding:2px 6px;border-radius:var(--r-sm);font-size:.66rem;letter-spacing:.12em}
.stamp--ink{color:var(--ink-600)}
.num{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;color:var(--ink-600);font-variant-numeric:tabular-nums}
.price{display:flex;align-items:baseline;gap:6px;font-family:var(--font-mono);color:var(--volt-500)}
.price__num{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:700;line-height:1;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.price__unit{font-size:.78rem;color:var(--ink-600);letter-spacing:.04em}
.price--ink .price__num{color:var(--ink-900)}

/* ============ 08 cards / ledger ============ */
.card{
  position:relative;padding:clamp(18px,2.2vw,26px);
  background:var(--paper-000);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-1);
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),border-color 200ms var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--pitch-300)}
.card--paper{background:var(--paper-100)}
.card--blue{background:var(--eblue-100);border-color:rgba(27,79,216,.2)}
.card--ink{background:var(--ink-900);border-color:transparent;color:rgba(247,243,234,.82)}
.card--shift{margin-top:22px}
.card__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.card__title{font-family:var(--font-display);font-weight:700;font-size:1.2rem;line-height:1.34}
.card--ink .card__title{color:var(--chalk)}
.card__meta{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.04em;color:var(--ink-600);font-variant-numeric:tabular-nums}
.card--ink .card__meta{color:rgba(247,243,234,.66)}
.card__text{margin-top:8px;font-size:.95rem;color:var(--ink-600)}
.card--ink .card__text{color:rgba(247,243,234,.72)}
.card__foot{
  margin-top:16px;padding-top:12px;border-top:1px solid var(--line-soft);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.card--ink .card__foot{border-top-color:var(--line-dark)}
.ledger__wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--paper-000);box-shadow:var(--shadow-1);
}
.ledger{min-width:640px;font-size:.93rem}
.ledger caption{text-align:left;padding:14px 16px 0;font-family:var(--font-mono);font-size:.74rem;letter-spacing:.12em;color:var(--ink-600)}
.ledger th,.ledger td{padding:13px 16px;border-bottom:1px solid var(--line-soft);text-align:left;vertical-align:middle}
.ledger thead th{
  font-family:var(--font-mono);font-size:.7rem;font-weight:500;letter-spacing:.14em;
  color:var(--ink-600);border-bottom:1px solid var(--line);text-transform:uppercase;background:var(--paper-000);
}
.ledger tbody tr:nth-child(even){background:var(--paper-100)}
.ledger tbody tr:hover{background:var(--eblue-100)}
.ledger tbody tr:last-child td{border-bottom:0}
.num-cell{font-family:var(--font-mono);font-variant-numeric:tabular-nums;text-align:right;letter-spacing:.02em}

/* ============ 09 media ============ */
.media{
  position:relative;overflow:hidden;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--paper-100);
  aspect-ratio:16/9;
}
.media img,.media video{width:100%;height:100%;object-fit:cover}
.media--wide{aspect-ratio:21/9}
.media--tall{aspect-ratio:3/4}
.media--square{aspect-ratio:1/1}
.media--cut{clip-path:polygon(0 0,100% 0,100% calc(100% - 42px),calc(100% - 42px) 100%,0 100%);border-radius:0}
.media--cut-l{clip-path:polygon(42px 0,100% 0,100% 100%,0 100%,0 42px);border-radius:0}
.media__tag{position:absolute;left:14px;top:14px;z-index:2}
.media__caption{margin-top:10px;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.04em;color:var(--ink-600)}

/* ============ 10 disclosure ============ */
.disclosure{border-bottom:1px solid var(--line)}
.disclosure__trigger{
  display:flex;width:100%;align-items:center;gap:16px;padding:19px 4px;
  font-size:1.02rem;font-weight:600;line-height:1.45;text-align:left;color:var(--ink-900);
  transition:color 160ms var(--ease);
}
.disclosure__trigger:hover{color:var(--pitch-600)}
.disclosure__num{flex:0 0 auto;font-family:var(--font-mono);font-size:.74rem;letter-spacing:.14em;color:var(--pitch-600);font-variant-numeric:tabular-nums}
.disclosure__icon{position:relative;flex:0 0 auto;width:14px;height:14px;margin-left:auto}
.disclosure__icon::before,.disclosure__icon::after{content:"";position:absolute;background:var(--ink-600);transition:transform 220ms var(--ease),background-color 160ms var(--ease)}
.disclosure__icon::before{left:0;top:6px;width:14px;height:2px}
.disclosure__icon::after{left:6px;top:0;width:2px;height:14px}
.disclosure[data-open] .disclosure__trigger{color:var(--pitch-600)}
.disclosure[data-open] .disclosure__icon::before{background:var(--volt-500)}
.disclosure[data-open] .disclosure__icon::after{transform:scaleY(0);background:var(--volt-500)}
.disclosure__panel{
  display:grid;grid-template-rows:0fr;visibility:hidden;
  transition:grid-template-rows 220ms var(--ease),visibility 0s linear 220ms;
}
.disclosure[data-open] .disclosure__panel{
  grid-template-rows:1fr;visibility:visible;
  transition:grid-template-rows 220ms var(--ease),visibility 0s linear 0s;
}
.disclosure__inner{overflow:hidden}
.disclosure__body{padding:0 4px 22px;max-width:68ch;font-size:.98rem;line-height:1.75;color:var(--ink-600)}

/* ============ 11 breadcrumbs / reveal ============ */
.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding-block:18px;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;color:var(--ink-600)}
.breadcrumbs__item{display:inline-flex;align-items:center;gap:8px}
.breadcrumbs__item a:hover{color:var(--eblue-600)}
.breadcrumbs__item [aria-current="page"]{color:var(--ink-900)}
.breadcrumbs__sep{color:var(--pitch-300)}
[data-reveal]{opacity:0;transform:translateY(14px);transition:opacity 480ms var(--ease),transform 480ms var(--ease)}
[data-reveal][data-revealed]{opacity:1;transform:none}
[data-reveal][data-reveal-delay="1"]{transition-delay:90ms}
[data-reveal][data-reveal-delay="2"]{transition-delay:180ms}
[data-reveal][data-reveal-delay="3"]{transition-delay:270ms}
html:not([data-js]) [data-reveal]{opacity:1;transform:none}

/* ============ 12 header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--paper-000);
  border-bottom:1px solid var(--line-soft);
}
.sh-rail{
  display:flex;align-items:center;gap:clamp(12px,2vw,28px);
  min-height:var(--header-h);padding-block:14px;
  transition:min-height 240ms var(--ease),padding 240ms var(--ease);
}
.site-header[data-compact] .sh-rail{min-height:62px;padding-block:8px}
.site-header[data-compact]{box-shadow:0 10px 26px -26px rgba(15,31,27,.8)}
.sh-brand{display:grid;grid-template-columns:auto auto;column-gap:12px;row-gap:4px;align-items:center;justify-content:start;min-width:0}
.sh-brand__mark{
  display:inline-flex;align-items:center;gap:9px;
  font-size:clamp(1.05rem,1.5vw,1.28rem);font-weight:800;letter-spacing:.02em;color:var(--ink-900);
}
.sh-brand__mark::before{
  content:"";flex:0 0 auto;width:9px;height:21px;background:var(--pitch-600);
  clip-path:polygon(0 0,100% 0,62% 100%,0 100%);
  transition:height 240ms var(--ease);
}
.site-header[data-compact] .sh-brand__mark::before{height:17px}
.sh-brand__mark-thin{
  padding:2px 6px;border:1px solid var(--line);border-radius:var(--r-sm);
  font-size:.6em;font-weight:500;letter-spacing:.14em;color:var(--ink-600);
}
.sh-brand__tag{
  padding:3px 9px;border:1px solid var(--pitch-300);border-radius:999px;
  background:rgba(95,169,138,.13);color:var(--pitch-600);
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.1em;white-space:nowrap;
}
.sh-brand__stamp{
  grid-column:1/-1;display:flex;align-items:center;gap:7px;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.04em;color:var(--volt-500);
}
.sh-brand__stamp-label{background:var(--volt-500);color:var(--chalk);padding:1px 5px;border-radius:var(--r-sm);font-size:.62rem;letter-spacing:.12em}
.sh-brand__stamp-time{font-variant-numeric:tabular-nums;color:var(--volt-700)}
.site-header[data-compact] .sh-brand__stamp{display:none}
.sh-toggle{
  display:none;order:3;position:relative;z-index:80;margin-left:auto;
  align-items:center;gap:10px;padding:9px 12px;
  border:1px solid var(--line);border-radius:var(--r-sm);background:var(--paper-100);
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;color:var(--ink-900);
}
.sh-toggle__bars{display:grid;gap:4px;width:18px}
.sh-toggle__bars i{display:block;height:2px;background:var(--ink-900);transition:transform 200ms var(--ease),opacity 160ms var(--ease)}
.sh-toggle[aria-expanded="true"] .sh-toggle__bars i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.sh-toggle[aria-expanded="true"] .sh-toggle__bars i:nth-child(2){opacity:0}
.sh-toggle[aria-expanded="true"] .sh-toggle__bars i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.sh-nav{display:flex;align-items:center;gap:clamp(8px,1.3vw,20px);margin-left:auto}
.sh-nav__head{display:none}
.sh-nav__list{display:flex;align-items:center;gap:clamp(6px,1.2vw,18px)}
.sh-nav__item{display:block}
.sh-nav__link{
  position:relative;display:inline-flex;align-items:baseline;gap:6px;
  padding:8px 2px;font-size:.94rem;font-weight:500;color:var(--ink-900);
  transition:color 160ms var(--ease);
}
.sh-nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:1px;height:2px;
  background:var(--pitch-600);transform:scaleX(0);transform-origin:0 50%;
  transition:transform 200ms var(--ease),background-color 200ms var(--ease);
}
.sh-nav__link:hover{color:var(--pitch-600)}
.sh-nav__link:hover::after{transform:scaleX(1)}
.sh-nav__link[aria-current="page"]{color:var(--pitch-600);font-weight:700}
.sh-nav__link[aria-current="page"]::after{transform:scaleX(1);background:var(--volt-500)}
.sh-nav__link[aria-current="page"] .sh-nav__num{color:var(--volt-500)}
.sh-nav__num{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.06em;color:var(--ink-600);font-variant-numeric:tabular-nums}
.sh-nav__text{white-space:nowrap}
.sh-nav__foot{display:flex;align-items:center;padding-left:clamp(6px,1vw,14px)}
.sh-nav__cta{padding:10px 16px;font-size:.86rem;white-space:nowrap}
.sh-scrim{
  position:fixed;inset:0;z-index:55;background:rgba(15,31,27,.5);
  opacity:0;pointer-events:none;transition:opacity 240ms var(--ease);
}
.sh-scrim[data-open]{opacity:1;pointer-events:auto}
.sh-meter{position:absolute;left:0;right:0;bottom:-1px;height:2px;overflow:hidden;pointer-events:none}
.sh-meter__bar{
  display:block;height:100%;transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--pitch-600) 0 42%,var(--eblue-600) 42% 78%,var(--volt-500) 78% 100%);
}
html[data-nav-open],html[data-nav-open] body{overflow:hidden}

/* ============ 13 footer ============ */
.site-footer{
  position:relative;margin-top:clamp(44px,6vw,84px);
  background:var(--ink-900);color:rgba(247,243,234,.82);overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;inset:0 0 auto 0;height:3px;
  background:linear-gradient(90deg,var(--pitch-600) 0 42%,var(--eblue-600) 42% 78%,var(--volt-500) 78% 100%);
}
.sf-grid{
  display:grid;grid-template-columns:minmax(0,1.5fr) repeat(4,minmax(0,1fr));
  gap:clamp(22px,3vw,44px);padding-block:clamp(40px,5.5vw,68px);
}
.sf-brand__mark{display:inline-flex;align-items:center;gap:8px;font-size:1.15rem;font-weight:800;color:var(--chalk);letter-spacing:.02em}
.sf-brand__mark-thin{padding:2px 6px;border:1px solid var(--line-dark);border-radius:var(--r-sm);font-size:.6em;font-weight:500;letter-spacing:.14em;color:rgba(247,243,234,.68)}
.sf-brand__note{margin-top:12px;max-width:30ch;font-size:.94rem;color:rgba(247,243,234,.7)}
.sf-brand__stamp{display:flex;align-items:center;gap:8px;margin-top:14px;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.04em;color:var(--volt-500)}
.sf-brand__stamp-label{background:var(--volt-500);color:var(--chalk);padding:1px 5px;border-radius:var(--r-sm);font-size:.62rem;letter-spacing:.12em}
.sf-col__title{
  margin-bottom:14px;font-family:var(--font-mono);font-weight:500;font-size:.7rem;
  letter-spacing:.18em;text-transform:uppercase;color:var(--pitch-300);
}
.sf-col__list{display:grid;gap:10px}
.sf-link{display:inline-block;font-size:.94rem;color:rgba(247,243,234,.78);transition:color 160ms var(--ease),padding-left 180ms var(--ease)}
.sf-link:hover{color:var(--chalk);padding-left:6px}
.sf-facts{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark);
}
.sf-fact{display:grid;gap:7px;padding:20px clamp(12px,2vw,26px)}
.sf-fact + .sf-fact{border-left:1px solid var(--line-dark)}
.sf-fact__key{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.18em;color:var(--pitch-300)}
.sf-fact__row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.sf-fact__val{font-family:var(--font-mono);font-size:.9rem;color:var(--chalk);word-break:break-all;font-variant-numeric:tabular-nums}
.sf-copy{
  padding:4px 9px;border:1px solid var(--line-dark);border-radius:var(--r-sm);
  font-family:var(--font-mono);font-size:.66rem;letter-spacing:.12em;color:rgba(247,243,234,.7);
  transition:color 160ms var(--ease),border-color 160ms var(--ease),background-color 160ms var(--ease);
}
.sf-copy:hover{color:var(--chalk);border-color:var(--pitch-300)}
.sf-copy[data-copied]{background:var(--pitch-300);border-color:var(--pitch-300);color:var(--ink-900)}
.sf-legal{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:14px 28px;padding-block:22px clamp(26px,3vw,34px);
}
.sf-legal__line{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.06em;color:rgba(247,243,234,.6)}
.sf-legal__mono{color:var(--pitch-300);font-variant-numeric:tabular-nums}
.sf-legal__list{display:flex;flex-wrap:wrap;gap:18px}

/* ============ 14 responsive ============ */
@media (max-width:1240px){
  .sh-nav{gap:8px}
  .sh-nav__list{gap:8px}
  .sh-nav__link{font-size:.88rem}
}
@media (max-width:1100px){
  .sh-nav__num{display:none}
}
@media (max-width:1023px){
  :root{--header-h:70px}
  html{scroll-padding-top:82px}
  .sh-rail{min-height:70px;padding-block:10px}
  .sh-toggle{display:inline-flex}
  .sh-nav{
    position:fixed;top:0;right:0;bottom:0;left:auto;
    width:min(88vw,380px);height:100dvh;margin:0;
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    padding:82px clamp(20px,6vw,32px) 32px;
    background:var(--paper-000);border-left:1px solid var(--line);
    box-shadow:-26px 0 60px -40px rgba(15,31,27,.75);
    transform:translateX(102%);transition:transform 300ms var(--ease);
    overflow-y:auto;z-index:70;
  }
  .sh-nav[data-open]{transform:translateX(0)}
  .sh-nav__head{
    display:block;margin-bottom:10px;
    font-family:var(--font-mono);font-size:.68rem;letter-spacing:.18em;
    color:var(--pitch-600);text-transform:uppercase;
  }
  .sh-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .sh-nav__link{display:flex;width:100%;align-items:center;gap:14px;padding:15px 2px;font-size:1.02rem;border-bottom:1px solid var(--line-soft)}
  .sh-nav__link::after{display:none}
  .sh-nav__num{display:inline-block;flex:0 0 2.2em;font-size:.72rem;color:var(--pitch-600)}
  .sh-nav__link[aria-current="page"] .sh-nav__num{color:var(--volt-500)}
  .sh-nav__foot{padding:20px 0 0}
  .sh-nav__cta{width:100%;padding:14px 18px;font-size:.94rem}
}
@media (max-width:900px){
  .split,.split--reverse{grid-template-columns:minmax(0,1fr)}
  .grid--3,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .section__lead{margin-left:0;max-width:100%}
  .sf-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sf-brand{grid-column:1/-1}
  .sf-facts{grid-template-columns:minmax(0,1fr)}
  .sf-fact + .sf-fact{border-left:0;border-top:1px solid var(--line-dark)}
}
@media (max-width:640px){
  body{font-size:16px}
  .sh-brand__stamp{display:none}
  .grid--2,.grid--3,.grid--4{grid-template-columns:minmax(0,1fr)}
  .card--shift{margin-top:0}
  .sf-grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .sf-legal{flex-direction:column;align-items:flex-start}
  .ledger{min-width:560px}
}
@media (max-width:480px){
  .sh-brand__tag{display:none}
  .sh-brand{grid-template-columns:auto}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;transition-delay:0ms !important}
  [data-reveal]{opacity:1;transform:none}
  .sh-nav{transition:none}
  .card:hover,.btn:hover{transform:none}
}