:root{
  --deep:#0B2A4A;
  --teal:#0F3D3E;
  --gold:#D8A64A;
  --coral:#E86F51;
  --mint:#79C7B2;
  --sand:#F6F1E7;
  --paper:#FCFAF5;
  --indigo:#3B2E6E;
  --wine:#7A2E3A;
  --ink:#101820;
  --ink-soft:rgba(16,24,32,.72);
  --ink-mute:rgba(16,24,32,.54);
  --line:rgba(16,24,32,.12);
  --line-light:rgba(252,250,245,.18);
  --font-head:"Inter Tight","Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"IBM Plex Mono",SFMono-Regular,Consolas,"Liberation Mono",monospace;
  --shell:1180px;
  --gutter:clamp(18px,4vw,44px);
  --radius:18px;
  --r-cut:4px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --header-h:76px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:1rem;
  line-height:1.75;
  color:var(--ink);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5{font-family:var(--font-head);font-weight:800;letter-spacing:-.02em;line-height:1.12;margin:0;text-wrap:balance}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
img,picture{max-width:100%;display:block}
address{font-style:normal}
:focus-visible{outline:3px solid var(--mint);outline-offset:3px;border-radius:3px}

/* ---------- skip link ---------- */
.skip-link{
  position:fixed;left:16px;top:-120px;z-index:200;
  display:inline-block;padding:11px 20px;
  background:var(--gold);color:var(--deep);
  font-weight:700;font-size:.9rem;
  border-radius:0 0 12px 12px;
  transition:top .18s var(--ease);
}
.skip-link:focus{top:0}

/* ---------- shell / section ---------- */
.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(34px,5.5vw,72px)}
.doc-wrap{max-width:74ch}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:linear-gradient(180deg,rgba(11,42,74,.94),rgba(11,42,74,.58));
  -webkit-backdrop-filter:blur(14px) saturate(1.25);
  backdrop-filter:blur(14px) saturate(1.25);
  border-bottom:1px solid rgba(216,166,74,.28);
  color:var(--paper);
  transition:background .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.site-header[data-scrolled="true"]{
  background:#0B2A4A;
  -webkit-backdrop-filter:none;
  backdrop-filter:none;
  border-bottom-color:rgba(216,166,74,.45);
  box-shadow:0 16px 34px -22px rgba(6,16,28,.85);
}
.header-rail{
  height:6px;
  background-image:repeating-linear-gradient(90deg,var(--gold) 0 1px,transparent 1px 16px);
  opacity:.55;
}
.header-inner{
  display:flex;align-items:center;
  gap:clamp(10px,1.6vw,26px);
  min-height:var(--header-h);
}
.brand{display:flex;align-items:center;gap:12px;flex:none;color:var(--paper)}
.brand-mark{
  position:relative;flex:none;
  width:38px;height:38px;
  border:1.5px solid rgba(216,166,74,.78);
  border-radius:12px 3px 12px 3px;
  background:linear-gradient(135deg,rgba(216,166,74,.24),rgba(121,199,178,.16));
}
.brand-mark::before,
.brand-mark::after{content:"";position:absolute;border-radius:2px}
.brand-mark::before{width:3px;height:17px;left:11px;top:10px;background:var(--gold);transform:skewX(-12deg)}
.brand-mark::after{width:3px;height:11px;right:10px;bottom:10px;background:var(--mint);transform:skewX(-12deg)}
.brand-text{display:flex;flex-direction:column;line-height:1.16}
.brand-name{font-family:var(--font-head);font-weight:800;font-size:1.06rem;letter-spacing:.02em}
.brand-tag{font-size:.68rem;letter-spacing:.1em;color:rgba(252,250,245,.6)}
.brand:hover .brand-mark{border-color:var(--gold);background:linear-gradient(135deg,rgba(216,166,74,.4),rgba(121,199,178,.24))}

.primary-nav{
  display:flex;align-items:center;margin-left:auto;
  gap:clamp(8px,1.4vw,22px);
}
.nav-list{display:flex;align-items:center;gap:clamp(0px,.5vw,8px)}
.nav-item{display:inline-flex}
.nav-link{
  position:relative;display:inline-block;
  padding:9px 9px;
  font-size:.88rem;font-weight:500;
  color:rgba(252,250,245,.82);
  border-radius:8px;
  transition:color .2s var(--ease);
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:9px;right:9px;bottom:2px;height:2px;
  background:var(--gold);transform:scaleX(0);transform-origin:left center;
  transition:transform .26s var(--ease);
}
.nav-link:hover,.nav-link:focus-visible{color:var(--paper)}
.nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:var(--gold)}
.nav-link[aria-current="page"]::after{transform:scaleX(1);background:var(--mint)}
.nav-utility{
  display:flex;align-items:center;gap:10px;
  padding-left:clamp(8px,1.4vw,20px);
  border-left:1px solid var(--line-light);
}
.utility-link{
  font-size:.8rem;
  color:rgba(252,250,245,.7);
  padding:6px 2px;
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.utility-link:hover,.utility-link:focus-visible{color:var(--mint);border-bottom-color:var(--mint)}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:9px 16px;border-radius:999px;
  background:var(--gold);color:var(--deep);
  font-size:.82rem;font-weight:700;
  white-space:nowrap;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.nav-cta:hover{background:#e7b963;transform:translateY(-1px)}
.nav-toggle{
  display:none;align-items:center;gap:9px;
  margin-left:auto;padding:10px 15px;
  border:1px solid rgba(216,166,74,.5);border-radius:999px;
  color:var(--paper);font-size:.82rem;font-weight:600;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--gold);background:rgba(216,166,74,.12)}
.nav-toggle-text{line-height:1}
.nav-toggle-bar{position:relative;display:block;width:16px;height:2px;background:var(--gold);transition:background .2s var(--ease)}
.nav-toggle-bar::before,
.nav-toggle-bar::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--gold);transition:transform .22s var(--ease)}
.nav-toggle-bar::before{top:-5px}
.nav-toggle-bar::after{top:5px}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before{transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after{transform:translateY(-5px) rotate(-45deg)}
.scroll-meter{
  height:2px;width:100%;
  background:linear-gradient(90deg,var(--gold),var(--mint),var(--coral));
  transform:scaleX(0);transform-origin:0 50%;
  transition:transform .1s linear;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 22px;border-radius:999px;
  font-size:.92rem;font-weight:700;line-height:1.2;
  text-align:center;border:1px solid transparent;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:var(--gold);color:var(--deep)}
.btn--primary:hover{background:#e7b963}
.btn--ghost{border-color:rgba(216,166,74,.62);color:var(--gold)}
.btn--ghost:hover{background:rgba(216,166,74,.16);color:#f0c377}
.btn--quiet{border-color:rgba(16,24,32,.18);color:var(--ink)}
.btn--quiet:hover{border-color:var(--deep);background:rgba(11,42,74,.06)}

/* ---------- typography helpers ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:.72rem;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;
  color:var(--teal);
}
.eyebrow::before{content:"";width:22px;height:2px;background:currentColor;flex:none}
.lede{font-size:1.0625rem;line-height:1.8;color:var(--ink-soft)}
.meta{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.06em;color:var(--ink-mute)}
.mono{font-family:var(--font-mono);letter-spacing:.04em}
.rule{height:1px;border:0;margin-block:clamp(18px,3vw,34px);background:linear-gradient(90deg,var(--gold),rgba(16,24,32,.14) 45%,transparent)}

/* ---------- panels (stacked boards) ---------- */
.panel-deck{display:grid;gap:clamp(14px,2vw,26px)}
.panel{
  position:relative;
  background:var(--paper);
  color:var(--ink);
  border:1px solid var(--line);
  border-radius:var(--radius) var(--r-cut) var(--radius) var(--r-cut);
  padding:clamp(20px,3vw,40px);
  box-shadow:0 30px 60px -48px rgba(11,42,74,.7);
}
.panel--deep{background:var(--deep);color:rgba(252,250,245,.86);border-color:rgba(216,166,74,.32)}
.panel--teal{background:var(--teal);color:rgba(252,250,245,.86);border-color:rgba(121,199,178,.34)}
.panel--sand{background:var(--sand);border-color:rgba(16,24,32,.14)}
.panel--wine{background:var(--wine);color:rgba(252,250,245,.88);border-color:rgba(216,166,74,.3)}
.panel--indigo{background:var(--indigo);color:rgba(252,250,245,.88);border-color:rgba(121,199,178,.3)}
.panel-head{
  display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;
  gap:10px 20px;margin-bottom:16px;
}
.panel-kicker{
  display:block;
  font-family:var(--font-mono);font-size:.72rem;font-weight:500;
  letter-spacing:.18em;text-transform:uppercase;
  color:var(--teal);margin-bottom:8px;
}
.panel--deep .panel-kicker,
.panel--teal .panel-kicker,
.panel--wine .panel-kicker,
.panel--indigo .panel-kicker{color:var(--gold)}
.panel-title{font-size:clamp(1.32rem,2.2vw,2rem)}
.panel--deep .panel-title,
.panel--teal .panel-title,
.panel--wine .panel-title,
.panel--indigo .panel-title{color:var(--paper)}
.panel--deep .lede,
.panel--teal .lede,
.panel--wine .lede,
.panel--indigo .lede{color:rgba(252,250,245,.76)}
.panel--deep .eyebrow,
.panel--teal .eyebrow,
.panel--wine .eyebrow,
.panel--indigo .eyebrow{color:var(--gold)}
.panel--deep .meta,
.panel--teal .meta,
.panel--wine .meta,
.panel--indigo .meta{color:rgba(252,250,245,.6)}

/* ---------- grids ---------- */
.grid{display:grid;gap:clamp(16px,2.4vw,32px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--split{grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr)}
.grid--split-rev{grid-template-columns:minmax(0,1.28fr) minmax(0,.72fr)}

/* ---------- cards ---------- */
.card-float{
  position:relative;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:14px 3px 14px 3px;
  padding:clamp(16px,2vw,26px);
  box-shadow:0 24px 46px -34px rgba(11,42,74,.6);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.card-float:hover{transform:translateY(-4px);box-shadow:0 32px 56px -32px rgba(11,42,74,.66)}
.card-title{font-size:1.04rem;line-height:1.4}
.card-body{margin-top:8px;font-size:.94rem;line-height:1.72;color:var(--ink-soft)}

/* ---------- tags ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 11px;border-radius:999px;
  font-family:var(--font-mono);font-size:.7rem;font-weight:500;
  letter-spacing:.08em;line-height:1.7;
  border:1px solid currentColor;
  white-space:nowrap;
}
.tag--gold{color:#8a5f13;background:rgba(216,166,74,.18)}
.tag--mint{color:#1d6355;background:rgba(121,199,178,.2)}
.tag--coral{color:#a83f26;background:rgba(232,111,81,.16)}
.tag--indigo{color:var(--indigo);background:rgba(59,46,110,.1)}
.tag--wine{color:var(--wine);background:rgba(122,46,58,.1)}

/* ---------- index list ---------- */
.index-list{display:grid;gap:0}
.index-item{
  display:grid;grid-template-columns:2.6rem minmax(0,1fr) auto;
  gap:14px;align-items:baseline;
  padding:12px 4px;
  border-bottom:1px solid var(--line);
}
.index-num{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.06em;color:var(--teal)}
.panel--deep .index-num,
.panel--teal .index-num,
.panel--wine .index-num,
.panel--indigo .index-num{color:var(--gold)}
.panel--deep .index-item,
.panel--teal .index-item,
.panel--wine .index-item,
.panel--indigo .index-item{border-bottom-color:rgba(252,250,245,.16)}
.index-link{font-weight:600;font-size:.98rem;transition:color .2s var(--ease)}
.index-link:hover,.index-link:focus-visible{color:var(--coral);text-decoration:underline;text-underline-offset:4px}
.panel--deep .index-link:hover,
.panel--teal .index-link:hover,
.panel--wine .index-link:hover,
.panel--indigo .index-link:hover{color:var(--mint)}

/* ---------- breadcrumbs ---------- */
.breadcrumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding-block:14px;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;
  color:var(--ink-mute);
}
.breadcrumb-item{display:inline-flex;align-items:center;gap:8px}
.breadcrumb-item + .breadcrumb-item::before{content:"/";color:rgba(16,24,32,.28)}
.breadcrumb-link{color:var(--teal);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.breadcrumb-link:hover{color:var(--coral)}
.breadcrumb-item[aria-current="page"]{color:var(--ink)}

/* ---------- media frame ---------- */
.media-frame{
  position:relative;display:block;overflow:hidden;
  aspect-ratio:16/9;
  border:1px solid rgba(11,42,74,.18);
  border-radius:16px 4px 16px 4px;
  background:
    linear-gradient(155deg,rgba(15,61,62,.94),rgba(11,42,74,.96) 58%,rgba(59,46,110,.92));
}
.media-frame::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:repeating-linear-gradient(115deg,rgba(121,199,178,.16) 0 1px,transparent 1px 26px);
}
.media-frame::after{
  content:"";position:absolute;inset:10px;z-index:2;
  border:1px solid rgba(216,166,74,.34);
  border-radius:10px 2px 10px 2px;
  pointer-events:none;
}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}
.media-img{
  position:absolute;inset:0;z-index:1;
  width:100%;height:100%;
  object-fit:cover;object-position:center;
}
.media-caption{
  margin-top:9px;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.06em;
  color:var(--ink-mute);
}

/* ---------- prose / doc ---------- */
.prose{max-width:68ch;font-size:1.0625rem;line-height:1.8;color:var(--ink)}
.prose p + p{margin-top:1em}
.prose h2,.prose h3{
  margin-top:1.7em;margin-bottom:.6em;
  font-size:clamp(1.18rem,1.9vw,1.5rem);
}
.prose ul,.prose ol{margin-top:.9em;padding-left:1.35em}
.prose ul{list-style:disc}
.prose ol{list-style:decimal}
.prose li + li{margin-top:.42em}
.prose a{color:var(--teal);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:var(--coral)}
.prose strong{font-weight:700}

/* ---------- section nav ---------- */
.section-nav{position:sticky;top:calc(var(--header-h) + 22px);align-self:start}
.section-nav-title{
  margin-bottom:10px;
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--ink-mute);
}
.section-nav-list{display:grid;gap:1px;border-left:1px solid rgba(16,24,32,.16)}
.section-nav-link{
  display:block;margin-left:-1px;
  padding:8px 0 8px 14px;
  font-size:.88rem;color:var(--ink-mute);
  border-left:2px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.section-nav-link:hover,.section-nav-link:focus-visible{color:var(--deep)}
.section-nav-link[aria-current="true"],
.section-nav-link[data-active="true"]{
  color:var(--deep);font-weight:700;border-left-color:var(--gold);
}

/* ---------- footer ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(52px,9vw,108px);
  padding-top:8px;
  border-top:1px solid rgba(216,166,74,.38);
  background:
    radial-gradient(120% 90% at 88% -20%,rgba(121,199,178,.17),transparent 62%),
    radial-gradient(100% 80% at 0% 120%,rgba(216,166,74,.15),transparent 58%),
    var(--deep);
  color:rgba(252,250,245,.82);
  overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;inset:0 0 auto;height:8px;
  background-image:repeating-linear-gradient(90deg,var(--gold) 0 2px,transparent 2px 18px);
  opacity:.5;
}
.footer-strata{
  position:absolute;right:-12%;bottom:-38%;
  width:min(560px,72vw);height:min(560px,72vw);
  border-radius:50%;
  background:radial-gradient(circle at 32% 32%,rgba(59,46,110,.72),transparent 68%);
  pointer-events:none;
}
.footer-inner{position:relative;z-index:1;padding-block:clamp(38px,6vw,70px) clamp(18px,2.6vw,28px)}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr .82fr .86fr 1.16fr;
  gap:clamp(22px,3.2vw,48px);
}
.footer-col{min-width:0}
.footer-brand{
  font-family:var(--font-head);font-weight:800;
  font-size:1.3rem;letter-spacing:.01em;color:var(--paper);
}
.footer-summary{
  margin-top:10px;max-width:34ch;
  font-size:.94rem;line-height:1.75;color:rgba(252,250,245,.7);
}
.footer-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.footer-title{
  margin-bottom:14px;
  font-family:var(--font-mono);font-size:.7rem;font-weight:500;
  letter-spacing:.18em;text-transform:uppercase;color:var(--gold);
}
.footer-links{display:grid;gap:9px}
.footer-link{
  display:inline-block;width:fit-content;
  padding-bottom:2px;
  font-size:.9rem;color:rgba(252,250,245,.76);
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.footer-link:hover,.footer-link:focus-visible{color:var(--mint);border-bottom-color:rgba(121,199,178,.6)}
.footer-contact{display:block}
.contact-line{
  display:grid;grid-template-columns:3.2rem minmax(0,1fr);gap:10px;
  padding-block:7px;
  font-size:.88rem;line-height:1.65;
  border-bottom:1px dashed rgba(252,250,245,.14);
}
.contact-key{
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.1em;
  color:rgba(252,250,245,.46);padding-top:3px;
}
.contact-value{color:var(--paper);overflow-wrap:anywhere}
.contact-note{
  margin-top:14px;
  font-size:.78rem;line-height:1.72;color:rgba(252,250,245,.56);
}
.footer-base{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 26px;
  margin-top:clamp(26px,4vw,44px);
  padding-top:18px;
  border-top:1px solid rgba(252,250,245,.15);
  font-size:.8rem;color:rgba(252,250,245,.58);
}
.footer-copy{margin-right:auto}
.footer-icp{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.04em}
.to-top{
  position:fixed;right:clamp(14px,3vw,30px);bottom:clamp(14px,3vw,30px);z-index:90;
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 17px;border-radius:999px;
  background:var(--gold);color:var(--deep);
  font-size:.8rem;font-weight:700;
  box-shadow:0 16px 32px -14px rgba(6,16,28,.8);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease),background .2s var(--ease);
}
.to-top[data-visible="true"]{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:#e7b963}
.to-top-arrow{font-family:var(--font-mono);font-size:.9rem;line-height:1}

/* ---------- reveal ---------- */
[data-reveal]{transition:opacity .5s var(--ease),transform .5s var(--ease)}
html.has-js [data-reveal]:not(.is-visible){opacity:0;transform:translateY(16px)}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .brand-tag{display:none}
  .nav-link{font-size:.84rem;padding:9px 7px}
}
@media (max-width:1024px){
  :root{--header-h:64px}
  .nav-toggle{display:inline-flex}
  .primary-nav{
    position:absolute;left:0;right:0;top:100%;
    display:block;margin-left:0;
    padding:14px var(--gutter) 26px;
    background:var(--deep);
    border-top:1px solid rgba(216,166,74,.32);
    border-bottom:1px solid rgba(216,166,74,.32);
    box-shadow:0 26px 44px -26px rgba(4,12,22,.9);
    max-height:calc(100vh - var(--header-h));
    overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s var(--ease);
  }
  .primary-nav[data-open="true"]{opacity:1;visibility:visible;transform:none}
  .nav-list{flex-direction:column;align-items:stretch;gap:1px}
  .nav-item{display:block}
  .nav-link{
    display:block;padding:13px 8px;
    font-size:1rem;
    border-bottom:1px solid rgba(252,250,245,.1);
    border-radius:0;
  }
  .nav-link::after{display:none}
  .nav-link[aria-current="page"]{
    color:var(--gold);
    padding-left:16px;
    border-left:2px solid var(--gold);
    background:rgba(216,166,74,.08);
  }
  .nav-utility{
    flex-direction:column;align-items:stretch;gap:4px;
    margin-top:16px;padding-top:16px;padding-left:0;
    border-left:0;border-top:1px solid var(--line-light);
  }
  .utility-link{display:block;padding:11px 8px;font-size:.95rem;border-bottom:1px solid rgba(252,250,245,.08)}
  .nav-cta{margin-top:10px;padding:13px 18px;font-size:.95rem}
  html.nav-open{overflow:hidden}
  .grid--2,.grid--3,.grid--split,.grid--split-rev{grid-template-columns:1fr}
  .section-nav{position:static;top:auto}
}
@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-col:first-child{grid-column:1 / -1}
}
@media (max-width:640px){
  .grid--3{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .index-item{grid-template-columns:2.2rem minmax(0,1fr);row-gap:4px}
  .index-item .meta{grid-column:2}
  .contact-line{grid-template-columns:2.9rem minmax(0,1fr)}
  .to-top{padding:10px 14px}
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html.has-js [data-reveal]:not(.is-visible){opacity:1;transform:none}
  .card-float:hover,.btn:hover,.nav-cta:hover{transform:none}
}