/* ============================================================
   A-D GLOBAL INFRASTRUCTURES · SITE STYLES · REV 04
   Sheets: 01 Cover · 02 Services · 03 Platform · 04 About
           05 Careers · 06 Contact
   ============================================================ */

:root{
  --vellum:#F3F4F1;
  --ink:#141B24;
  --graphite:#55606C;
  --yellow:#F5B300;
  --rule:#D8DAD3;
  --rule-dark:#2A3340;
  --paper-card:#FAFBF8;
  --max:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--vellum);
  color:var(--ink);
  font-family:'Public Sans',system-ui,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--yellow);color:var(--ink)}
a{color:inherit}
:focus-visible{outline:2px solid var(--yellow);outline-offset:3px;border-radius:1px}

/* ---------- drawing frame ---------- */
.frame{position:fixed;inset:10px;border:1.5px solid var(--ink);pointer-events:none;z-index:60;opacity:.9}
.frame i{position:absolute;width:11px;height:11px}
.frame i::before,.frame i::after{content:"";position:absolute;background:var(--ink)}
.frame i::before{left:50%;top:0;width:1.5px;height:100%;transform:translateX(-50%)}
.frame i::after{top:50%;left:0;height:1.5px;width:100%;transform:translateY(-50%)}
.frame .tl{top:-6px;left:-6px}.frame .tr{top:-6px;right:-6px}
.frame .bl{bottom:-6px;left:-6px}.frame .br{bottom:-6px;right:-6px}
@media(max-width:720px){.frame{display:none}}

.wrap{max-width:var(--max);margin:0 auto;padding-inline:clamp(20px,4.5vw,48px)}

/* ---------- sheet tag device ---------- */
.tag{
  display:flex;align-items:center;gap:10px;
  font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--graphite);margin-bottom:26px;
}
.tag::before{content:"";width:14px;height:14px;background:var(--yellow);clip-path:polygon(0 0,100% 0,100% 62%,62% 100%,0 100%)}
.dark .tag{color:#9AA5B1}

/* ---------- nav ---------- */
header{
  position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--vellum) 92%,transparent);
  backdrop-filter:blur(8px);border-bottom:1.5px solid var(--ink);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-block:16px}
.brand{display:flex;flex-direction:column;line-height:1.05;text-decoration:none}
.brand b{
  font-family:'Archivo',sans-serif;font-stretch:120%;font-weight:850;
  font-size:19px;letter-spacing:.015em;
}
.brand span{font-family:'IBM Plex Mono',monospace;font-size:9.5px;letter-spacing:.3em;color:var(--graphite);margin-top:3px}
.links{display:flex;align-items:center;gap:28px}
.links a{
  text-decoration:none;font-size:13.5px;font-weight:600;letter-spacing:.02em;
  border-bottom:2px solid transparent;padding-bottom:2px;
}
.links a:hover{border-color:var(--yellow)}
.links a[aria-current="page"]{border-color:var(--yellow)}
.btn{
  display:inline-block;font-family:'Public Sans',sans-serif;font-weight:700;font-size:14px;
  letter-spacing:.02em;text-decoration:none;padding:13px 22px;border:1.5px solid var(--ink);
  background:var(--ink);color:var(--vellum);transition:transform .15s ease,background .15s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:rgba(20,27,36,.06)}
.btn.flag{background:var(--yellow);border-color:var(--yellow);color:var(--ink)}
.btn.small{padding:10px 16px;font-size:13px}
.dark .btn.ghost{color:#E8ECEF;border-color:#E8ECEF}
.dark .btn.ghost:hover{background:rgba(232,236,239,.08)}
.menu-btn{display:none;background:none;border:1.5px solid var(--ink);padding:9px 14px;font:600 13px 'Public Sans',sans-serif;cursor:pointer}
@media(max-width:880px){
  .links{
    display:none;position:absolute;top:100%;left:0;right:0;background:var(--vellum);
    border-bottom:1.5px solid var(--ink);flex-direction:column;align-items:flex-start;
    padding:22px clamp(20px,4.5vw,48px);gap:18px;
  }
  header.open .links{display:flex}
  .menu-btn{display:block}
  .nav .btn.small{display:none}
}

/* ---------- sections & type ---------- */
section{padding-block:clamp(72px,9vw,118px);border-top:1.5px solid var(--rule)}
section:first-of-type{border-top:none}
h1,h2{font-family:'Archivo',sans-serif;font-stretch:115%;font-weight:820;line-height:1.0;letter-spacing:-.012em}
h1{font-size:clamp(2.5rem,5.6vw,4.4rem);max-width:13ch}
h2{font-size:clamp(1.85rem,3.4vw,2.65rem);max-width:20ch}
.lede{font-size:clamp(1.02rem,1.4vw,1.15rem);color:var(--graphite);max-width:56ch;margin-top:22px}
.mono{font-family:'IBM Plex Mono',monospace}
.eyebrow{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--graphite);margin-bottom:18px;display:block}
.dark .eyebrow{color:var(--yellow)}
.fine{margin-top:18px;font-size:12.5px;color:#7C8794;font-family:'IBM Plex Mono',monospace}

/* ---------- hero ---------- */
.hero{padding-top:clamp(46px,6vw,84px)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(36px,5vw,72px);align-items:center}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-note{margin-top:26px;font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--graphite);letter-spacing:.06em}
@media(max-width:960px){.hero-grid{grid-template-columns:1fr}}

/* schematic board (cover sheet) */
.board{position:relative}
.board svg{width:100%;height:auto;display:block;background:var(--paper-card);border:1.5px solid var(--ink)}
.readout{
  position:absolute;right:-14px;bottom:-26px;background:var(--ink);color:var(--vellum);
  padding:16px 18px;min-width:238px;border:1.5px solid var(--ink);
  box-shadow:6px 6px 0 rgba(20,27,36,.14);
}
.readout .rt{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.2em;color:var(--yellow);margin-bottom:10px}
.readout dl{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;font-family:'IBM Plex Mono',monospace;font-size:12.5px}
.readout dt{color:#9AA5B1}
.readout dd{text-align:right;font-weight:500}
@media(max-width:960px){.readout{position:static;margin-top:16px;box-shadow:none;width:100%}}

/* ---------- datum stats ---------- */
.datum{border-block:1.5px solid var(--ink);padding-block:0;background:var(--paper-card)}
.datum .row{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:26px 22px;border-left:1.5px solid var(--rule);position:relative}
.stat:first-child{border-left:none}
.stat::before{content:"";position:absolute;top:-1.5px;left:0;width:12px;height:12px;border-left:1.5px solid var(--ink);border-bottom:1.5px solid var(--ink);background:transparent;transform:translateY(0)}
.stat b{font-family:'Archivo',sans-serif;font-stretch:118%;font-weight:850;font-size:clamp(1.7rem,2.8vw,2.35rem);display:block;line-height:1}
.stat span{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--graphite)}
@media(max-width:720px){.datum .row{grid-template-columns:1fr 1fr}.stat:nth-child(3){border-left:none}}

/* ---------- services cards (cover sheet grid) ---------- */
.svc-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:44px;flex-wrap:wrap}
.svc-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5px;background:var(--rule);border:1.5px solid var(--ink)}
.svc-grid .card{background:var(--paper-card);padding:clamp(26px,3vw,38px);position:relative}
.svc-grid .card h3{font-size:1.08rem;font-weight:700;margin:18px 0 10px;letter-spacing:.005em}
.svc-grid .card p{color:var(--graphite);font-size:.97rem}
.svc-grid .card svg{width:30px;height:30px;stroke:var(--ink);fill:none;stroke-width:1.6;stroke-linecap:square}
.flag-tab{
  position:absolute;top:0;right:0;background:var(--yellow);color:var(--ink);
  font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.18em;
  padding:6px 12px;font-weight:500;
}
@media(max-width:820px){.svc-grid{grid-template-columns:1fr}}

/* ---------- dark sheet ---------- */
.dark{background:var(--ink);color:#E8ECEF;border-top:1.5px solid var(--ink)}
.dark h2{color:#F4F6F2}
.plat-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(36px,5vw,72px);align-items:center}
.dark .lede{color:#9AA5B1}
.term{border:1.5px solid var(--rule-dark);background:#0E141B;font-family:'IBM Plex Mono',monospace;font-size:12.5px}
.term .bar{display:flex;justify-content:space-between;padding:10px 16px;border-bottom:1.5px solid var(--rule-dark);color:#8D98A5;font-size:10.5px;letter-spacing:.16em}
.term .body{padding:20px 16px;display:grid;gap:9px}
.term .in{color:#8D98A5}
.term .in b{color:#E8ECEF;font-weight:500}
.term .out{display:flex;justify-content:space-between;border-top:1px dashed var(--rule-dark);padding-top:9px}
.term .out span:last-child{color:var(--yellow)}
@media(max-width:960px){.plat-grid{grid-template-columns:1fr}}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,4vw,64px);margin-top:14px}
.about-grid p{color:var(--graphite);margin-bottom:20px}
.about-grid p b{color:var(--ink)}
.design-note{border-left:4px solid var(--yellow);padding-left:20px}
.design-note p{color:var(--ink)}
@media(max-width:820px){.about-grid{grid-template-columns:1fr}}

/* ---------- careers / role cards ---------- */
.role{border:1.5px solid var(--ink);background:var(--paper-card);padding:clamp(26px,3.4vw,42px);margin-top:40px;position:relative;max-width:860px}
.role h3{font-family:'Archivo',sans-serif;font-stretch:112%;font-weight:800;font-size:clamp(1.35rem,2.4vw,1.8rem);margin:6px 0 14px}
.role p{color:var(--graphite);max-width:64ch}
.role .btn{margin-top:24px}

/* ---------- title block / contact ---------- */
.tblock{border:1.5px solid var(--ink);background:var(--paper-card);display:grid;grid-template-columns:1.6fr 1fr 1fr;margin-top:44px}
.cell{padding:22px 24px;border-left:1.5px solid var(--rule);border-top:1.5px solid var(--rule)}
.cell.wide{grid-column:1;grid-row:1 / span 2;border-left:none;display:flex;flex-direction:column;justify-content:space-between;gap:24px}
.cell:nth-child(2),.cell:nth-child(3){border-top:none}
.cell h4{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--graphite);font-weight:500;margin-bottom:8px}
.cell p,.cell a{font-size:.95rem;color:var(--ink);text-decoration:none}
.cell a:hover{border-bottom:2px solid var(--yellow)}
.cell .big{font-family:'Archivo',sans-serif;font-stretch:112%;font-weight:800;font-size:clamp(1.4rem,2.6vw,2rem);line-height:1.08;max-width:16ch}
.meta-row{display:grid;grid-template-columns:repeat(4,1fr);grid-column:1 / -1;border-top:1.5px solid var(--ink)}
.meta-row .m{padding:12px 16px;border-left:1.5px solid var(--rule);font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--graphite);letter-spacing:.08em}
.meta-row .m:first-child{border-left:none}
.meta-row .m b{display:block;color:var(--ink);font-weight:500;margin-top:2px}
@media(max-width:820px){
  .tblock{grid-template-columns:1fr 1fr}
  .cell.wide{grid-column:1 / -1;grid-row:auto;border-top:none}
  .cell:nth-child(2){border-left:none;border-top:1.5px solid var(--rule)}
  .cell:nth-child(3){border-top:1.5px solid var(--rule)}
  .meta-row{grid-template-columns:1fr 1fr}
  .meta-row .m:nth-child(3){border-left:none;border-top:1.5px solid var(--rule)}
  .meta-row .m:nth-child(4){border-top:1.5px solid var(--rule)}
}

/* ============================================================
   NEW COMPONENTS · REV 04
   ============================================================ */

/* ---------- cross-link cards (cover sheet: about / careers) ---------- */
.xlink{display:grid;grid-template-columns:1fr 1fr;gap:1.5px;background:var(--rule);border:1.5px solid var(--ink)}
.xlink a{background:var(--paper-card);padding:clamp(26px,3vw,38px);text-decoration:none;position:relative;display:block}
.xlink a:hover{background:var(--vellum)}
.xlink .xe{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--graphite)}
.xlink .xt{font-family:'Archivo',sans-serif;font-stretch:112%;font-weight:800;font-size:clamp(1.35rem,2.4vw,1.8rem);margin:10px 0 8px;line-height:1.05}
.xlink p{color:var(--graphite);font-size:.97rem;max-width:44ch}
.xlink .xa{position:absolute;top:0;right:0;font-family:'IBM Plex Mono',monospace;font-size:12px;padding:8px 14px;border-left:1.5px solid var(--rule);border-bottom:1.5px solid var(--rule);color:var(--graphite)}
.xlink a:hover .xa{background:var(--yellow);color:var(--ink);border-color:var(--yellow)}
@media(max-width:820px){.xlink{grid-template-columns:1fr}}

/* ---------- lifecycle steps (services) ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5px;background:var(--rule);border:1.5px solid var(--ink);margin-top:44px}
.steps .step{background:var(--paper-card);padding:clamp(22px,2.6vw,32px);position:relative}
.steps .step::before{content:"";position:absolute;top:-1.5px;left:0;width:12px;height:12px;border-left:1.5px solid var(--ink);border-bottom:1.5px solid var(--ink)}
.steps .sn{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.16em;color:var(--graphite)}
.steps .sn b{color:var(--ink);font-weight:500}
.steps h3{font-family:'Archivo',sans-serif;font-stretch:112%;font-weight:800;font-size:1.15rem;margin:12px 0 8px}
.steps p{color:var(--graphite);font-size:.93rem}
.steps.three{grid-template-columns:repeat(3,1fr)}
@media(max-width:880px){.steps{grid-template-columns:1fr 1fr}.steps.three{grid-template-columns:1fr}}
@media(max-width:520px){.steps{grid-template-columns:1fr}}
.duo{display:grid;grid-template-columns:1fr 1fr;gap:clamp(20px,3vw,36px);margin-top:28px}
@media(max-width:640px){.duo{grid-template-columns:1fr}}

/* ---------- service detail sections ---------- */
.svc-detail{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(32px,4.5vw,68px);align-items:start}
.svc-detail svg{width:34px;height:34px;stroke:var(--ink);fill:none;stroke-width:1.6;stroke-linecap:square;margin-bottom:20px}
.svc-detail p{color:var(--graphite);margin-top:18px;max-width:58ch}
@media(max-width:880px){.svc-detail{grid-template-columns:1fr}}
.ticks{border:1.5px solid var(--ink);background:var(--paper-card)}
.ticks h4{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--graphite);font-weight:500;padding:12px 18px;border-bottom:1.5px solid var(--rule)}
.ticks ul{list-style:none}
.ticks li{font-family:'IBM Plex Mono',monospace;font-size:12.5px;color:var(--ink);padding:10px 18px;border-top:1px solid var(--rule);display:flex;gap:12px;align-items:baseline}
.ticks li:first-of-type{border-top:none}
.ticks li::before{content:"";width:8px;height:8px;background:var(--yellow);flex:0 0 auto;clip-path:polygon(0 0,100% 0,100% 62%,62% 100%,0 100%);position:relative;top:0}

/* ---------- EPCF strip (about) ---------- */
.epcf{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5px;background:var(--rule);border:1.5px solid var(--ink);margin-top:44px}
.epcf .e{background:var(--paper-card);padding:clamp(22px,2.6vw,32px)}
.epcf .el{font-family:'Archivo',sans-serif;font-stretch:120%;font-weight:850;font-size:clamp(2.2rem,4vw,3.2rem);line-height:1;display:block}
.epcf .el i{font-style:normal;color:var(--yellow)}
.epcf h3{font-size:1rem;font-weight:700;margin:10px 0 6px}
.epcf p{color:var(--graphite);font-size:.92rem}
@media(max-width:880px){.epcf{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.epcf{grid-template-columns:1fr}}

/* ---------- contrast grid (platform: tools vs lenders) ---------- */
.contrast{display:grid;grid-template-columns:1fr 1fr;gap:1.5px;background:var(--ink);border:1.5px solid var(--ink);margin-top:44px}
.contrast .co{padding:clamp(24px,3vw,38px)}
.contrast .co.light{background:var(--paper-card)}
.contrast .co.dark{background:var(--ink);color:#E8ECEF;border-top:none}
.contrast h3{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.2em;text-transform:uppercase;font-weight:500;color:var(--graphite);margin-bottom:16px}
.contrast .co.dark h3{color:var(--yellow)}
.contrast ul{list-style:none}
.contrast li{padding:11px 0;border-top:1px solid var(--rule);font-size:1.02rem;font-weight:600}
.contrast .co.dark li{border-top:1px solid var(--rule-dark)}
.contrast li:first-of-type{border-top:none}
@media(max-width:820px){.contrast{grid-template-columns:1fr}}

/* ---------- pillar cards (platform) ---------- */
.pillar-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5px;background:var(--rule);border:1.5px solid var(--ink);margin-top:44px}
.pillar{background:var(--paper-card);padding:clamp(24px,3vw,36px);position:relative}
.pillar.network{border-left:4px solid var(--yellow)}
.pillar .ph{display:flex;justify-content:space-between;align-items:baseline;gap:16px}
.pillar h3{font-size:1.12rem;font-weight:700}
.pillar .wt{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--graphite);border:1px solid var(--ink);padding:3px 9px;white-space:nowrap}
.pillar>p{color:var(--graphite);font-size:.95rem;margin-top:10px;max-width:48ch}
.pillar .pq{margin-top:16px;border-top:1px solid var(--rule)}
.pillar .pq div{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--graphite);padding:9px 0;border-bottom:1px solid var(--rule);line-height:1.5}
.pillar .pq b{font-weight:400;color:var(--ink);margin-right:8px}
.netchip{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;background:var(--ink);color:var(--yellow);padding:2px 8px;margin-left:6px;white-space:nowrap}
@media(max-width:820px){.pillar-grid{grid-template-columns:1fr}}

/* ---------- verdict legend (platform) ---------- */
.legend{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5px;background:var(--rule);border:1.5px solid var(--ink);margin-top:22px}
.legend .lg{background:var(--paper-card);padding:20px 22px;display:flex;gap:14px;align-items:flex-start}
.legend .lg p{color:var(--graphite);font-size:.92rem;line-height:1.5}
.legend .lg p b{display:block;color:var(--ink);font-size:.98rem;margin-bottom:2px}
.lchip{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.08em;text-transform:uppercase;text-align:center;padding:3px 10px;margin-top:2px;flex:0 0 auto}
.lchip.p{border:1px solid var(--ink);color:var(--ink)}
.lchip.f{background:var(--yellow);color:var(--ink);clip-path:polygon(0 0,100% 0,100% 55%,calc(100% - 7px) 100%,0 100%)}
.lchip.o{border:1px dashed var(--graphite);color:var(--graphite)}
@media(max-width:820px){.legend{grid-template-columns:1fr}}

/* ---------- verdict bands (platform: decision economics) ---------- */
.vband{border:1.5px solid var(--ink);background:var(--paper-card);margin-top:44px}
.vband .vb{display:flex;height:16px}
.vband .vb span:nth-child(1){width:45%;background:var(--rule)}
.vband .vb span:nth-child(2){width:25%;background:var(--yellow)}
.vband .vb span:nth-child(3){width:30%;background:var(--ink)}
.vband .vz{display:grid;grid-template-columns:45fr 25fr 30fr;border-top:1.5px solid var(--rule)}
.vband .vz div{padding:16px 18px;border-left:1.5px solid var(--rule)}
.vband .vz div:first-child{border-left:none}
.vband .vz b{font-family:'Archivo',sans-serif;font-stretch:112%;font-weight:800;font-size:1.05rem;display:block}
.vband .vz i{font-style:normal;font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.14em;color:var(--graphite);display:block;margin-bottom:6px}
.vband .vz p{color:var(--graphite);font-size:.9rem;line-height:1.5;margin-top:4px}
@media(max-width:720px){.vband .vz{grid-template-columns:1fr}.vband .vz div{border-left:none;border-top:1px solid var(--rule)}.vband .vz div:first-child{border-top:none}}

/* ---------- network showcase row (platform, dark) ---------- */
.netcard{border:1.5px solid var(--rule-dark);background:#0E141B;border-left:4px solid var(--yellow);padding:clamp(20px,2.6vw,30px);margin-top:38px;display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:start;max-width:760px}
.netcard .lchip.p{border-color:#E8ECEF;color:#E8ECEF}
.netcard .nq{font-size:1.05rem;font-weight:600;color:#F4F6F2}
.netcard .nq b{font-family:'IBM Plex Mono',monospace;font-size:12px;font-weight:400;letter-spacing:.08em;color:#8D98A5;margin-right:8px}
.netcard .nq .netchip{background:var(--yellow);color:var(--ink)}
.netcard .nev{font-family:'IBM Plex Mono',monospace;font-size:12.5px;color:#9AA5B1;margin-top:8px;line-height:1.6}
@media(max-width:560px){.netcard{grid-template-columns:1fr}}

/* ---------- specs / status grid (platform) ---------- */
.specs{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1.5px;background:var(--rule);border:1.5px solid var(--ink);margin-top:38px}
.specs div{background:var(--paper-card);padding:12px 16px}
.specs b{display:block;font-family:'IBM Plex Mono',monospace;font-size:10.5px;font-weight:400;letter-spacing:.16em;text-transform:uppercase;color:var(--graphite)}
.specs span{font-family:'IBM Plex Mono',monospace;font-size:12.5px}

/* ---------- closer strip ---------- */
.closer{border:1.5px solid var(--ink);background:var(--paper-card);padding:clamp(28px,3.6vw,46px);margin-top:0;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.closer .big{font-family:'Archivo',sans-serif;font-stretch:112%;font-weight:800;font-size:clamp(1.4rem,2.8vw,2.1rem);line-height:1.08;max-width:18ch}

/* ============================================================
   SAMPLE SCREEN MOCKUP (scoped under .sht) · SHT PF-01 · REV B
   ============================================================ */
.sht{--ink:#141B24;--vel:#F3F4F1;--yel:#F5B300;--gra:#55606C;--rul:#D8DAD3;--pan:#FAFBF8;max-width:680px;margin:0 auto;border:1.5px solid var(--ink);background:var(--vel);color:var(--ink);font-family:'Public Sans',sans-serif;line-height:1.5}
.sht .m{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:var(--gra)}
.sht .mono{font-family:'IBM Plex Mono',monospace}
.sht .grid{display:grid;gap:1.5px;background:var(--rul);border:1.5px solid var(--ink)}
.sht .grid>div{background:var(--pan);padding:10px 12px}
.sht .card{border:1.5px solid var(--ink);background:var(--pan)}
.sht .row{display:grid;grid-template-columns:52px 1fr;gap:10px;padding:9px 12px;border-top:1px solid var(--rul);align-items:start}
.sht .chip{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.08em;text-transform:uppercase;text-align:center;padding:2px 0;margin-top:2px}
.sht .p{border:1px solid var(--ink);color:var(--ink)}
.sht .f{background:var(--yel);color:var(--ink);clip-path:polygon(0 0,100% 0,100% 55%,calc(100% - 7px) 100%,0 100%)}
.sht .o{border:1px dashed var(--gra);color:var(--gra)}
.sht .q{font-size:13px;font-weight:600}
.sht .q b{font-family:'IBM Plex Mono',monospace;font-size:11px;font-weight:400;letter-spacing:.08em;color:var(--gra);margin-right:5px}
.sht .ev{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--gra);line-height:1.55;margin-top:2px}
.sht .bar{height:5px;background:var(--rul);margin:0 12px 2px}
.sht .tb div{padding:7px 10px}
.sht .tb b{display:block;font-family:'IBM Plex Mono',monospace;font-size:11px;font-weight:400;letter-spacing:.13em;text-transform:uppercase;color:var(--gra)}
/* action rows: aligned columns on wide, wrapped meta on narrow */
.sht .act{grid-template-columns:26px 1fr 62px 52px 72px}
.sht .act .meta{display:contents}
@media(max-width:560px){
  .sht .act{grid-template-columns:26px 1fr}
  .sht .act .meta{display:flex;grid-column:2;gap:14px;flex-wrap:wrap}
}
@media(max-width:430px){.sht .v45,.sht .v70{display:none}}

/* ---------- 404 ---------- */
.e404{min-height:56vh;display:flex;flex-direction:column;justify-content:center}

/* ---------- footer & sheet index ---------- */
footer{padding:40px 0 46px}
.sheetdex{border:1.5px solid var(--ink);background:var(--paper-card);display:grid;grid-template-columns:repeat(6,1fr);font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase}
.sheetdex .lbl{grid-column:1 / -1;padding:9px 14px;color:var(--graphite);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.sheetdex a{padding:11px 14px;border-top:1.5px solid var(--rule);border-left:1.5px solid var(--rule);text-decoration:none;color:var(--graphite);display:flex;gap:9px;align-items:baseline}
.sheetdex a:first-of-type{border-left:none}
.sheetdex a b{color:var(--ink);font-weight:500}
.sheetdex a:hover{background:rgba(20,27,36,.05);color:var(--ink)}
.sheetdex a[aria-current="page"]{background:var(--ink);color:#9AA5B1}
.sheetdex a[aria-current="page"] b{color:var(--yellow)}
@media(max-width:880px){
  .sheetdex{grid-template-columns:repeat(3,1fr)}
  .sheetdex a:nth-of-type(3n+1){border-left:none}
  .sheetdex a:nth-of-type(2),.sheetdex a:nth-of-type(3){border-left:1.5px solid var(--rule)}
}
@media(max-width:480px){
  .sheetdex{grid-template-columns:1fr 1fr}
  .sheetdex a:nth-of-type(even){border-left:1.5px solid var(--rule)}
  .sheetdex a:nth-of-type(odd){border-left:none}
}
.foot-line{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:16px;font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--graphite);letter-spacing:.06em}

/* ---------- motion (cover sheet schematic) ---------- */
@media (prefers-reduced-motion: no-preference){
  .draw-line{stroke-dasharray:1;stroke-dashoffset:1;animation:draw 1.3s ease-out forwards}
  .draw-line.d2{animation-delay:.5s;animation-duration:1s}
  @keyframes draw{to{stroke-dashoffset:0}}
  .prow{opacity:0;animation:stamp .45s ease-out forwards}
  .prow.r1{animation-delay:1.25s}.prow.r2{animation-delay:1.4s}.prow.r3{animation-delay:1.55s}
  .prow.r4{animation-delay:1.7s}.prow.r5{animation-delay:1.85s}.prow.r6{animation-delay:2s}
  @keyframes stamp{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
  .anno{opacity:0;animation:fadein .5s ease-out forwards;animation-delay:2.15s}
  @keyframes fadein{to{opacity:1}}
  .readout{opacity:0;transform:translateY(6px);animation:fadein2 .5s ease-out forwards;animation-delay:2.3s}
  @keyframes fadein2{to{opacity:1;transform:none}}
}