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

:root{
  --ink-900:#0B1A2B;
  --ink-700:#142B44;
  --ink-100:#E8EDF4;
  --orange-500:#F2733F;
  --orange-100:#FDE7DA;
  --celadon-500:#4E9C8A;
  --celadon-700:#2F6A5E;
  --paper:#F7F5F1;
  --ink-500:#5A6B7D;
  --amber:#FFB35C;

  --rail-w:88px;
  --header-h:88px;
  --cut:18px;
  --shell:1320px;
  --gutter:clamp(20px,4vw,56px);

  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;

  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-soft:0 18px 40px -22px rgba(11,26,43,.5);
}

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

body,h1,h2,h3,h4,p,ul,ol,li,figure,blockquote,dl,dd{margin:0}
ul,ol{list-style:none;padding:0}
img,svg,video{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}

body{
  --header-h:88px;
  padding-left:var(--rail-w);
  background:var(--paper);
  color:var(--ink-900);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.75;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
}
body.is-compact{--header-h:56px}
body.nav-open{overflow:hidden}

h1,h2,h3,h4{font-weight:900;letter-spacing:-.02em;line-height:1.22;text-wrap:balance}
h1{font-size:clamp(34px,5vw,52px);line-height:1.08}
h2{font-size:clamp(26px,3.4vw,34px);line-height:1.24}
h3{font-size:clamp(19px,2.2vw,22px);line-height:1.36}
p{text-wrap:pretty}

.mono,.num{font-family:var(--font-mono);font-size:.94em;letter-spacing:.005em}

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

/* ---------- skip link ---------- */
.skip-link{
  position:fixed;left:14px;top:-120px;z-index:300;
  padding:11px 20px;background:var(--orange-500);color:var(--ink-900);
  font-size:14px;font-weight:800;letter-spacing:.02em;
  clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,12px 100%,0 calc(100% - 12px));
  transition:top .2s var(--ease);
}
.skip-link:focus{top:14px}

/* ---------- brand rail ---------- */
.brand-rail{
  position:fixed;inset:0 auto 0 0;z-index:70;
  width:var(--rail-w);
  display:flex;flex-direction:column;align-items:center;gap:20px;
  padding:18px 0 24px;
  background:linear-gradient(180deg,#0B1A2B 0%,#142B44 56%,#0B1A2B 100%);
  border-right:1px solid rgba(242,115,63,.22);
}
.brand-rail::after{
  content:"";position:absolute;top:0;right:-1px;width:1px;height:42%;
  background:linear-gradient(180deg,var(--orange-500),transparent);
  opacity:.6;
}
.rail-mark{
  flex:none;display:grid;place-items:center;
  width:46px;height:46px;
  background:linear-gradient(140deg,var(--orange-500),var(--amber));
  color:var(--ink-900);font-family:var(--font-mono);font-size:14px;font-weight:700;letter-spacing:.06em;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%);
  transition:transform .3s var(--ease);
}
body.is-compact .rail-mark{transform:scale(.86)}
.rail-word{
  writing-mode:vertical-rl;text-orientation:upright;
  font-size:14px;font-weight:900;letter-spacing:.34em;
  color:var(--ink-100);opacity:.94;
  transition:opacity .24s var(--ease),transform .24s var(--ease);
}
body.is-compact .rail-word{opacity:0;transform:translateY(-10px)}
.rail-actions{
  margin-top:auto;display:flex;flex-direction:column;align-items:center;gap:12px;
}
.rail-cta,.rail-sub{
  writing-mode:vertical-rl;text-orientation:upright;
  padding:16px 9px;font-size:14px;font-weight:800;letter-spacing:.24em;line-height:1;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease);
}
.rail-cta{
  background:var(--orange-500);color:var(--ink-900);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%);
}
.rail-sub{
  background:transparent;color:var(--amber);
  border:1px solid rgba(255,179,92,.55);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%);
}
.rail-cta:hover,.rail-sub:hover{transform:translateY(-2px);box-shadow:0 12px 22px -12px rgba(242,115,63,.75);border-color:var(--orange-500)}
.rail-top{
  width:34px;height:34px;padding:0;border:1px solid rgba(232,237,244,.3);
  background:rgba(232,237,244,.06);color:var(--ink-100);
  font-size:0;cursor:pointer;position:relative;
  opacity:0;pointer-events:none;transform:translateY(6px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),border-color .18s var(--ease);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%);
}
.rail-top::before{
  content:"";position:absolute;inset:0;margin:auto;width:9px;height:9px;
  border-left:2px solid var(--amber);border-top:2px solid var(--amber);
  transform:rotate(45deg) translate(1px,1px);
}
.rail-top:hover{border-color:var(--orange-500)}
body.is-compact .rail-top{opacity:1;pointer-events:auto;transform:none}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  height:var(--header-h);
  background:linear-gradient(180deg,rgba(11,26,43,.99),rgba(20,43,68,.97));
  border-bottom:1px solid rgba(232,237,244,.1);
  transition:height .28s var(--ease),box-shadow .28s var(--ease);
}
body.is-compact .site-header{box-shadow:0 14px 34px -24px rgba(0,0,0,.9)}
.header-inner{
  width:100%;max-width:var(--shell);height:100%;margin-inline:auto;
  padding-inline:var(--gutter);
  display:flex;align-items:center;justify-content:space-between;gap:26px;
}
.header-brand{display:inline-flex;align-items:center;gap:12px;min-width:0}
.header-brand-mark{
  flex:none;display:grid;place-items:center;width:38px;height:38px;
  background:linear-gradient(140deg,var(--orange-500),var(--amber));
  color:var(--ink-900);font-family:var(--font-mono);font-size:12px;font-weight:700;letter-spacing:.05em;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%);
}
.header-brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.header-brand-name{font-size:15px;font-weight:800;color:var(--ink-100);white-space:nowrap;letter-spacing:-.01em}
.header-brand-sub{font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:var(--celadon-500);white-space:nowrap}
body.is-compact .header-brand-sub{display:none}

.nav-primary{display:flex;align-items:center}
.nav-list{display:flex;align-items:center;gap:clamp(4px,1.1vw,20px)}
.nav-head,.nav-drawer-cta{display:none}
.nav-link{
  position:relative;display:inline-flex;padding:10px 2px;
  font-size:15px;font-weight:600;letter-spacing:.005em;color:rgba(232,237,244,.74);
  transition:color .18s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:2px;
  background:linear-gradient(90deg,var(--orange-500),var(--amber));
  transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav-link:hover,.nav-link:focus-visible{color:#fff}
.nav-link[aria-current="page"]{color:#fff}
.nav-link[aria-current="page"]::after{transform:scaleX(1)}
.nav-hint{display:none}

.nav-toggle{
  display:none;align-items:center;gap:10px;
  padding:10px 16px;background:transparent;cursor:pointer;
  border:1px solid rgba(232,237,244,.3);color:var(--ink-100);
  font-size:14px;font-weight:700;
  clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,12px 100%,0 calc(100% - 12px));
  transition:border-color .18s var(--ease),transform .18s var(--ease);
}
.nav-toggle:hover{border-color:var(--orange-500);transform:translateY(-2px)}
.nav-toggle-bars{position:relative;display:block;width:18px;height:2px;background:currentColor}
.nav-toggle-bars::before,.nav-toggle-bars::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor}
.nav-toggle-bars::before{top:-6px}
.nav-toggle-bars::after{top:6px}

.nav-scrim{
  position:fixed;inset:0;z-index:75;
  background:rgba(11,26,43,.62);
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.nav-scrim[data-open]{opacity:1;visibility:visible;pointer-events:auto}

/* ---------- footer ---------- */
.site-footer{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#0B1A2B 0%,#142B44 100%);
  color:var(--ink-100);
}
.footer-glow{
  position:absolute;top:-160px;right:-120px;width:min(560px,70vw);height:min(560px,70vw);
  background:radial-gradient(closest-side,rgba(242,115,63,.22),transparent 72%);
  pointer-events:none;
}
.footer-glow::after{
  content:"";position:absolute;inset:22%;
  background:radial-gradient(closest-side,rgba(78,156,138,.2),transparent 70%);
}
.footer-inner{
  position:relative;z-index:1;
  width:100%;max-width:var(--shell);margin-inline:auto;
  padding:clamp(48px,7vw,84px) var(--gutter) clamp(24px,4vw,38px);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;
  gap:clamp(24px,4vw,52px);
}
.footer-col{min-width:0}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:900;letter-spacing:-.01em;color:#fff;
}
.footer-brand-mark{
  display:grid;place-items:center;width:32px;height:32px;
  background:linear-gradient(140deg,var(--orange-500),var(--amber));
  color:var(--ink-900);font-family:var(--font-mono);font-size:11px;font-weight:700;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%);
}
.footer-desc{margin-top:14px;max-width:30em;font-size:15px;line-height:1.7;color:rgba(232,237,244,.72)}
.footer-icp{margin-top:16px;font-family:var(--font-mono);font-size:12px;letter-spacing:.02em;color:var(--celadon-500)}
.footer-title{
  font-size:12px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:rgba(232,237,244,.5);margin-bottom:16px;
}
.footer-list{display:flex;flex-direction:column;gap:11px}
.footer-link{
  font-size:15px;color:rgba(232,237,244,.82);
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.footer-link:hover,.footer-link:focus-visible{color:var(--amber);border-bottom-color:var(--amber)}
.footer-contact{gap:14px}
.footer-contact li{display:flex;flex-direction:column;gap:3px;font-size:14px;color:rgba(232,237,244,.82);line-height:1.6}
.footer-key{font-size:12px;font-weight:600;letter-spacing:.08em;color:rgba(232,237,244,.46)}
.footer-contact .mono{color:var(--amber)}
.footer-legal{
  margin-top:clamp(34px,5vw,58px);padding-top:20px;
  border-top:1px solid rgba(232,237,244,.12);
  display:flex;flex-wrap:wrap;gap:14px 26px;align-items:center;justify-content:space-between;
}
.footer-meta{font-size:12px;color:rgba(232,237,244,.55);letter-spacing:.02em}
.footer-links{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:12px}
.footer-links .footer-link{font-size:12px;color:rgba(232,237,244,.7)}
.footer-rule{
  height:3px;
  background:linear-gradient(90deg,var(--orange-500) 0%,var(--amber) 38%,var(--celadon-500) 100%);
}

/* ---------- layout helpers ---------- */
.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(52px,7vw,110px)}
.section-head{max-width:56ch}
.section-head+.grid,.section-head+.filter-bar{margin-top:clamp(26px,3.4vw,44px)}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;margin-bottom:14px;
  font-family:var(--font-mono);font-size:12px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  color:var(--celadon-700);
}
.eyebrow::before{content:"";width:26px;height:2px;background:linear-gradient(90deg,var(--orange-500),var(--celadon-500))}
.section-title{font-size:clamp(26px,3.4vw,34px)}
.lede{margin-top:14px;max-width:40em;font-size:17px;line-height:1.75;color:var(--ink-500)}
.prose{max-width:70ch;line-height:1.78}
.prose p+p{margin-top:1.1em}

.grid{display:grid;gap:clamp(18px,3vw,34px)}
.grid-12{grid-template-columns:repeat(12,minmax(0,1fr))}
.col-4{grid-column:span 4}
.col-5{grid-column:span 5}
.col-7{grid-column:span 7}
.col-8{grid-column:span 8}
.col-12{grid-column:span 12}

/* ---------- panels ---------- */
.panel{
  position:relative;padding:clamp(20px,2.8vw,32px);
  background:var(--paper);color:var(--ink-900);
  clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,var(--cut) 100%,0 calc(100% - var(--cut)));
}
.panel-dark{background:linear-gradient(160deg,#142B44,#0B1A2B 72%);color:var(--ink-100)}
.panel-dark .lede,.panel-dark p{color:rgba(232,237,244,.76)}
.panel-cut{
  clip-path:polygon(0 var(--cut),var(--cut) 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%);
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:13px 22px;border:1px solid transparent;cursor:pointer;
  font-size:15px;font-weight:700;line-height:1;letter-spacing:.01em;text-align:center;
  clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,12px 100%,0 calc(100% - 12px));
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease);
}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 24px -12px rgba(242,115,63,.62)}
.btn-primary{background:var(--orange-500);color:var(--ink-900);border-color:var(--orange-500)}
.btn-primary:hover{background:var(--amber);border-color:var(--amber)}
.btn-ghost{background:transparent;color:var(--ink-100);border-color:rgba(232,237,244,.4)}
.btn-ghost:hover{border-color:var(--orange-500);color:#fff}
.btn-ink{background:var(--ink-700);color:var(--ink-100);border-color:var(--ink-700)}
.btn-ink:hover{border-color:var(--orange-500)}
.btn-light{background:var(--paper);color:var(--ink-900);border-color:var(--paper)}
.btn-light:hover{border-color:var(--orange-500)}

/* ---------- tags / stats ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;font-family:var(--font-mono);font-size:12px;font-weight:600;letter-spacing:.03em;
  background:var(--orange-100);color:#8A3A16;
}
.tag-celadon{background:rgba(78,156,138,.16);color:var(--celadon-700)}
.tag-ink{background:rgba(20,43,68,.09);color:var(--ink-700)}
.stat{display:flex;flex-direction:column;gap:6px}
.stat-num{font-family:var(--font-mono);font-size:clamp(26px,3.6vw,40px);font-weight:700;letter-spacing:-.03em;color:var(--orange-500);line-height:1.1}
.stat-label{font-size:13px;letter-spacing:.02em;color:var(--ink-500)}
.panel-dark .stat-label{color:rgba(232,237,244,.62)}

/* ---------- breadcrumbs ---------- */
.breadcrumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding-block:18px;font-size:12px;font-weight:600;letter-spacing:.02em;color:var(--ink-500);
}
.breadcrumbs a{color:var(--ink-500);transition:color .18s var(--ease)}
.breadcrumbs a:hover{color:var(--orange-500)}
.breadcrumbs li{display:inline-flex;align-items:center}
.breadcrumbs li+li::before{content:"/";margin-right:8px;color:rgba(90,107,125,.5)}
.breadcrumbs [aria-current="page"]{color:var(--ink-700)}

/* ---------- decorative ---------- */
.divider-slash{
  height:1px;border:0;
  background:repeating-linear-gradient(115deg,var(--ink-500) 0 12px,transparent 12px 24px);
  opacity:.34;
}
.glow-band{
  height:2px;border:0;
  background:linear-gradient(90deg,var(--orange-500),var(--amber) 46%,var(--celadon-500));
  opacity:.9;
}
.grid-texture{
  background-image:
    linear-gradient(rgba(78,156,138,.14) 1px,transparent 1px),
    linear-gradient(90deg,rgba(78,156,138,.14) 1px,transparent 1px);
  background-size:32px 32px;
}

/* ---------- media frame ---------- */
.media-frame{
  position:relative;display:block;overflow:hidden;
  background:linear-gradient(155deg,#142B44 0%,#0B1A2B 58%,#1B3856 100%);
  aspect-ratio:16/9;
  clip-path:polygon(0 0,calc(100% - 22px) 0,100% 22px,100% 100%,22px 100%,0 calc(100% - 22px));
}
.media-frame::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(232,237,244,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(232,237,244,.07) 1px,transparent 1px);
  background-size:28px 28px;
}
.media-frame::after{
  content:"";position:absolute;left:-10%;right:-10%;bottom:-42%;height:62%;pointer-events:none;
  background:radial-gradient(closest-side,rgba(242,115,63,.28),transparent 72%);
}
.media-frame img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover}
.media-frame--portrait{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}
.media-frame--wide{aspect-ratio:21/9}

/* ---------- filter ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px}
.filter-btn{
  padding:9px 17px;cursor:pointer;
  background:transparent;border:1px solid rgba(20,43,68,.24);color:var(--ink-700);
  font-size:13px;font-weight:700;letter-spacing:.02em;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
  clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,10px 100%,0 calc(100% - 10px));
}
.filter-btn:hover{border-color:var(--orange-500);transform:translateY(-2px)}
.filter-btn[aria-pressed="true"]{background:var(--orange-500);border-color:var(--orange-500);color:var(--ink-900)}
.panel-dark .filter-btn,.site-footer .filter-btn{border-color:rgba(232,237,244,.28);color:var(--ink-100)}
.filter-item{transition:opacity .2s var(--ease),transform .2s var(--ease)}
.filter-item.is-out{opacity:0;transform:translateY(8px)}
.filter-item[hidden]{display:none}

/* ---------- timeline ---------- */
.timeline{position:relative;display:flex;flex-direction:column;gap:22px;padding-left:30px}
.timeline::before{
  content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--orange-500),var(--celadon-500));
}
.timeline-node{position:relative}
.timeline-node::before{
  content:"";position:absolute;left:-30px;top:7px;width:12px;height:12px;border-radius:50%;
  background:var(--amber);
  animation:node-pulse 2.6s var(--ease) infinite;
}
@keyframes node-pulse{
  0%,100%{box-shadow:0 0 0 4px rgba(255,179,92,.24)}
  50%{box-shadow:0 0 0 9px rgba(255,179,92,.05)}
}
.timeline-title{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink-900)}
.timeline-text{margin-top:6px;font-size:15px;line-height:1.7;color:var(--ink-500)}
.panel-dark .timeline-title{color:var(--ink-100)}
.panel-dark .timeline-text{color:rgba(232,237,244,.72)}

/* ---------- accordion ---------- */
.accordion-item{border-bottom:1px solid rgba(232,237,244,.14)}
.accordion-trigger{
  width:100%;padding:18px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:700;color:inherit;
  transition:color .18s var(--ease);
}
.accordion-trigger:hover{color:var(--orange-500)}
.accordion-trigger::after{
  content:"";flex:none;width:9px;height:9px;margin-right:2px;
  border-right:2px solid var(--orange-500);border-bottom:2px solid var(--orange-500);
  transform:rotate(45deg);transition:transform .2s var(--ease);
}
.accordion-trigger[aria-expanded="true"]::after{transform:rotate(-135deg)}
.accordion-panel{padding-bottom:20px;font-size:15px;line-height:1.75;color:var(--ink-500)}
.panel-dark .accordion-panel{color:rgba(232,237,244,.74)}
.accordion-panel[hidden]{display:none}

/* ---------- reveal ---------- */
[data-reveal]{opacity:0;transform:translateY(8px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
[data-reveal].is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1079px){
  body{padding-left:0}
  .brand-rail{display:none}
  .grid-12{grid-template-columns:repeat(6,minmax(0,1fr))}
  .col-7,.col-8,.col-12{grid-column:span 6}
  .col-4,.col-5{grid-column:span 3}
  .footer-grid{grid-template-columns:1fr 1fr}

  .nav-toggle{display:inline-flex}
  .nav-primary{
    position:fixed;top:0;right:0;bottom:0;z-index:80;
    width:min(88vw,370px);
    display:flex;flex-direction:column;gap:16px;
    padding:22px 22px 34px;overflow-y:auto;
    background:linear-gradient(160deg,#0B1A2B,#142B44 60%,#0B1A2B);
    border-left:1px solid rgba(242,115,63,.24);
    box-shadow:-28px 0 60px -30px rgba(0,0,0,.75);
    transform:translateX(102%);
    transition:transform .3s var(--ease);
  }
  .nav-primary[data-open]{transform:translateX(0)}
  .nav-head{
    display:flex;align-items:center;justify-content:space-between;gap:14px;
    padding-bottom:14px;border-bottom:1px solid rgba(232,237,244,.14);
  }
  .nav-head-title{font-family:var(--font-mono);font-size:12px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--celadon-500)}
  .nav-close{
    padding:8px 14px;background:transparent;border:1px solid rgba(232,237,244,.3);color:var(--ink-100);
    font-size:13px;font-weight:700;cursor:pointer;
    clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,10px 100%,0 calc(100% - 10px));
  }
  .nav-close:hover{border-color:var(--orange-500)}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-item{border-bottom:1px solid rgba(232,237,244,.1)}
  .nav-link{
    width:100%;justify-content:space-between;align-items:baseline;gap:14px;
    padding:15px 4px;font-size:17px;color:rgba(232,237,244,.86);
  }
  .nav-link::after{display:none}
  .nav-link[aria-current="page"]{color:var(--amber);border-left:2px solid var(--orange-500);padding-left:12px}
  .nav-hint{display:block;font-family:var(--font-mono);font-size:12px;font-weight:500;letter-spacing:.04em;color:var(--celadon-500);white-space:nowrap}
  .nav-drawer-cta{display:flex;flex-direction:column;gap:12px;margin-top:auto;padding-top:18px}
  .nav-drawer-cta .btn{width:100%}
  body.nav-open{overflow:hidden}
}

@media (max-width:639px){
  body{font-size:16px}
  .header-brand-sub{display:none}
  .grid-12{grid-template-columns:minmax(0,1fr)}
  .col-4,.col-5,.col-7,.col-8,.col-12{grid-column:auto}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:30px}
  .footer-legal{flex-direction:column;align-items:flex-start}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  [data-reveal]{opacity:1;transform:none}
  .btn:hover,.filter-btn:hover,.rail-cta:hover,.rail-sub:hover,.nav-toggle:hover{transform:none}
}