/* Stratum Engineering — site styles. Fonts are self-hosted (IBM Plex Sans). */
@font-face{font-family:"IBM Plex Sans";font-weight:400;font-style:normal;font-display:swap;src:url(fonts/ibm-plex-sans-latin-400-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"IBM Plex Sans";font-weight:500;font-style:normal;font-display:swap;src:url(fonts/ibm-plex-sans-latin-500-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"IBM Plex Sans";font-weight:600;font-style:normal;font-display:swap;src:url(fonts/ibm-plex-sans-latin-600-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"IBM Plex Sans";font-weight:400;font-style:italic;font-display:swap;src:url(fonts/ibm-plex-sans-latin-400-italic.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"IBM Plex Sans";font-weight:400;font-style:normal;font-display:swap;src:url(fonts/ibm-plex-sans-cyrillic-400-normal.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"IBM Plex Sans";font-weight:500;font-style:normal;font-display:swap;src:url(fonts/ibm-plex-sans-cyrillic-500-normal.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"IBM Plex Sans";font-weight:600;font-style:normal;font-display:swap;src:url(fonts/ibm-plex-sans-cyrillic-600-normal.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}

:root{
  --ink:#1d1e20;
  --graphite:#414041;
  --graphite-deep:#2c2b2d;
  --steel:#676b71;
  --crimson:#8b171a;
  --crimson-hi:#a51c20;
  --mist:#eef0f2;
  --line:#d8dbdf;
  --paper:#ffffff;
  --design:#6c7077;
  --measure:64ch;
  --wrap:1180px;
  --gutter:clamp(16px,4vw,32px);
  --header-h:76px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.62 "IBM Plex Sans",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--crimson);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--crimson-hi)}
:focus-visible{outline:3px solid var(--crimson);outline-offset:3px;border-radius:2px}
.on-dark :focus-visible{outline-color:#fff}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:10px 16px;z-index:100}
.skip:focus{left:8px}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding-inline:var(--gutter)}

h1,h2,h3,h4{margin:0 0 .5em;font-weight:600;letter-spacing:-.018em;line-height:1.1;text-wrap:balance}
h1{font-size:clamp(2.35rem,5.4vw,4.1rem);letter-spacing:-.028em;line-height:1.03}
h2{font-size:clamp(1.75rem,3.2vw,2.5rem)}
h3{font-size:1.25rem;letter-spacing:-.01em;line-height:1.25}
h4{font-size:1.02rem;letter-spacing:0}
p{margin:0 0 1em;max-width:var(--measure);text-wrap:pretty}
.lede{font-size:clamp(1.1rem,1.6vw,1.3rem);line-height:1.55;color:#33353a;max-width:56ch}
.muted{color:var(--steel)}
.small{font-size:.9rem}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:saturate(1.2) blur(6px)}
.site-header .wrap{display:flex;align-items:center;gap:28px;min-height:var(--header-h)}
.brand{display:block;line-height:0;flex:none}
.brand img{height:46px;width:auto}
.nav{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav a{color:var(--ink);text-decoration:none;font-weight:500;font-size:.98rem;padding:10px 12px;border-bottom:2px solid transparent}
.nav a:hover{border-color:var(--line);color:var(--ink)}
.nav a[aria-current="page"]{border-color:var(--crimson)}
.lang{display:flex;gap:2px;margin-left:8px;font-size:.9rem}
.lang a{padding:6px 9px;color:var(--steel);text-decoration:none;font-weight:500;border:1px solid transparent}
.lang a[aria-current="true"]{color:var(--ink);border-color:var(--line);background:var(--mist)}
.lang a:hover{color:var(--crimson)}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--line);padding:9px 14px;font:500 .95rem "IBM Plex Sans",sans-serif;color:var(--ink);cursor:pointer}
@media (max-width:980px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:8px var(--gutter) 18px;margin:0}
  .nav.open{display:flex}
  .nav a{padding:13px 0;border-bottom:1px solid var(--line)}
  .lang{margin:12px 0 0}
  .nav .btn{margin-top:12px;text-align:center}
}

/* ---------- buttons ---------- */
.btn{display:inline-block;background:var(--crimson);color:#fff;text-decoration:none;font-weight:600;font-size:1rem;padding:13px 22px;border:2px solid var(--crimson);border-radius:2px;cursor:pointer;font-family:inherit;line-height:1.2;transition:background .15s,color .15s,border-color .15s}
.btn:hover{background:var(--crimson-hi);border-color:var(--crimson-hi);color:#fff}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:#fff}
.on-dark .btn.ghost{color:#fff;border-color:#fff}
.on-dark .btn.ghost:hover{background:#fff;color:var(--ink)}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.nav a.btn{padding:10px 18px;font-size:.95rem;margin-left:8px;color:#fff;border:2px solid var(--crimson)}
.nav a.btn:hover{color:#fff;background:var(--crimson-hi)}
.nav .btn:hover{border-color:var(--crimson-hi)}

/* ---------- sections ---------- */
section{padding:clamp(56px,8vw,104px) 0}
.band-mist{background:var(--mist)}
.band-dark{background:var(--graphite-deep);color:#e9eaec}
.band-dark h2,.band-dark h3{color:#fff}
.band-dark a{color:#fff}
.band-dark .muted{color:#a9acb2}
.sec-head{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(24px,5vw,72px);align-items:end;margin-bottom:clamp(32px,5vw,56px)}
.sec-head h2{margin:0}
.sec-head p{margin:0;color:#44474d}
.band-dark .sec-head p{color:#c6c8cc}
@media (max-width:820px){.sec-head{grid-template-columns:1fr;gap:14px}}

/* page header (inner pages) */
.page-head{padding:clamp(48px,7vw,88px) 0 clamp(36px,5vw,56px);background:var(--mist);position:relative;overflow:hidden}
.page-head::after{content:"";position:absolute;right:-60px;top:-40px;width:420px;height:480px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 115'%3E%3Cpath d='M50 4 94 29v57L50 111 6 86V29z' fill='none' stroke='%23d1d4d9' stroke-width='3'/%3E%3C/svg%3E") no-repeat center/contain;opacity:.9;pointer-events:none}
.page-head .wrap{position:relative;z-index:1}
.page-head h1{font-size:clamp(2.1rem,4.6vw,3.4rem);max-width:20ch;margin-bottom:.35em}
.page-head .lede{margin:0}
.crumbs{font-size:.9rem;color:var(--steel);margin-bottom:18px}
.crumbs a{color:var(--steel)}

/* ---------- hero ---------- */
.hero{padding:clamp(40px,6vw,80px) 0 clamp(56px,7vw,96px);position:relative;overflow:hidden;background:
  url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='104' height='180' viewBox='0 0 104 180'%3E%3Cg fill='none' stroke='%23e4e6e9' stroke-width='2'%3E%3Cpath d='M52 0 104 30v60L52 120 0 90V30z'/%3E%3Cpath d='M0 120 52 150v60M104 120 52 150'/%3E%3C/g%3E%3C/svg%3E") 60% 0/104px 180px repeat}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#fff 0,#fff 38%,rgba(255,255,255,.55) 62%,rgba(255,255,255,0) 100%);pointer-events:none}
.hero .wrap{position:relative;display:grid;grid-template-columns:minmax(0,6.4fr) minmax(0,5.6fr);gap:clamp(28px,5vw,72px);align-items:center}
.hero h1{margin-bottom:.45em}
.hero .lede{margin-bottom:0}
@media (max-width:980px){.hero .wrap{grid-template-columns:1fr}.hero::before{background:rgba(255,255,255,.8)}}

/* strata: the seven stages of our engineering process as stacked layers */
.strata{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
.strata li:nth-child(even){transform:translateX(26px)}
.strata li{margin-right:26px}
.strata a{--c:var(--graphite);display:flex;align-items:center;gap:14px;min-height:54px;padding:0 34px;color:#fff;text-decoration:none;font-weight:500;font-size:1.02rem;position:relative;isolation:isolate;transition:transform .18s ease}
.strata a::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--c);clip-path:polygon(20px 0,calc(100% - 20px) 0,100% 50%,calc(100% - 20px) 100%,20px 100%,0 50%);transition:background .18s}
.strata a:hover{transform:translateX(8px);color:#fff}
.strata a:hover::before{background:var(--ink)}
.strata .n{font-weight:600;font-size:.9rem;opacity:.8;min-width:1ch}
.strata .design a{--c:var(--design)}
.strata .build a{--c:var(--graphite)}
.strata .life a{--c:var(--crimson)}
.strata .life a:hover::before{background:var(--crimson-hi)}
.legend{display:flex;flex-wrap:wrap;gap:8px 20px;margin:18px 0 0;padding:0;list-style:none;font-size:.88rem;color:var(--steel)}
.legend li{display:flex;align-items:center;gap:8px}
.legend i{width:14px;height:14px;display:block;clip-path:polygon(25% 0,75% 0,100% 50%,75% 100%,25% 100%,0 50%)}
@media (max-width:520px){.strata li:nth-child(even){transform:none}.strata li{margin-right:0}.strata a{padding:0 28px}}

/* ---------- facts ---------- */
.facts{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;margin:0;padding:0;list-style:none}
.facts li{padding:6px 24px 6px 0;border-left:1px solid rgba(255,255,255,.18);padding-left:22px}
.facts li:first-child{border-left:0;padding-left:0}
.facts b{display:block;font-size:clamp(1.9rem,3.2vw,2.7rem);font-weight:600;letter-spacing:-.025em;line-height:1.05;color:#fff}
.facts span{display:block;margin-top:6px;font-size:.93rem;color:#c9cbd0;line-height:1.4}
.facts-wrap{padding:44px 0}
@media (max-width:900px){.facts{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 0}.facts li:nth-child(odd){border-left:0;padding-left:0}.facts li:last-child{grid-column:1/-1}}

/* ---------- services list ---------- */
.svc-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 clamp(32px,6vw,88px);margin:0;padding:0;list-style:none}
.svc-list li{padding:26px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:34px 1fr;gap:0 14px}
.svc-list li::before{content:"";width:22px;height:25px;margin-top:3px;background:var(--crimson);clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}
.svc-list h3{margin:0 0 .35em}
.svc-list p{margin:0;color:#44474d}
.svc-list a.more{display:inline-block;margin-top:10px;font-weight:600;font-size:.95rem}
@media (max-width:820px){.svc-list{grid-template-columns:1fr}}

/* ---------- process ---------- */
.process{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:clamp(28px,6vw,88px)}
.process .intro{position:sticky;top:calc(var(--header-h) + 28px);align-self:start}
.process ol{margin:0;padding:0;list-style:none;counter-reset:p}
.process li{display:grid;grid-template-columns:44px 1fr;gap:0 16px;padding:24px 0;border-top:1px solid rgba(255,255,255,.2);scroll-margin-top:calc(var(--header-h) + 16px)}
.process li:last-child{border-bottom:1px solid rgba(255,255,255,.2)}
.process li::before{counter-increment:p;content:counter(p);font-weight:600;font-size:1.5rem;color:#fff;line-height:1.1}
.process li:nth-child(n+6)::before{color:#e87c80}
.process h3{margin:0 0 .3em;font-size:1.2rem}
.process p{margin:0;color:#c6c8cc}
.process .tag{display:inline-block;font-size:.82rem;color:#a9acb2;margin-bottom:6px}
@media (max-width:900px){.process{grid-template-columns:1fr}.process .intro{position:static}}

/* ---------- industries ---------- */
.inds{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:14px;margin:0;padding:0;list-style:none}
.inds li{text-align:center;font-weight:500;font-size:.98rem;line-height:1.3}
.inds .hex{width:92px;height:106px;margin:0 auto 14px;background:var(--graphite);clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);display:grid;place-items:center}
.inds img{width:50px;height:auto;filter:drop-shadow(0 0 0 transparent)}
.inds li:hover .hex{background:var(--crimson)}
@media (max-width:900px){.inds{grid-template-columns:repeat(3,minmax(0,1fr));gap:28px 14px}}
@media (max-width:480px){.inds{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* ---------- logos ---------- */
.logos{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);margin:0;padding:0;list-style:none}
.logos li{background:#fff;height:104px;display:grid;place-items:center;padding:18px 22px}
.logos img{max-height:56px;max-width:140px;width:auto;object-fit:contain;filter:grayscale(1);opacity:.78;transition:filter .2s,opacity .2s}
.logos li:hover img{filter:none;opacity:1}
.logos.small li{height:84px}
.logos.small img{max-height:42px;max-width:120px}
@media (max-width:900px){.logos{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:520px){.logos{grid-template-columns:repeat(2,minmax(0,1fr))}}
.col-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(28px,5vw,72px)}
@media (max-width:820px){.col-2{grid-template-columns:1fr}}

/* ---------- badges ---------- */
.badges{display:flex;flex-wrap:wrap;gap:22px 28px;align-items:center;margin:0;padding:0;list-style:none}
.badges img{width:78px;height:78px;object-fit:contain}
.cert-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 clamp(28px,5vw,72px);margin:0;padding:0;list-style:none}
.cert-list li{display:grid;grid-template-columns:96px 1fr;gap:20px;padding:26px 0;border-top:1px solid var(--line);align-items:start}
.cert-list img{width:96px;height:96px;object-fit:contain}
.cert-list h3{margin:0 0 .3em}
.cert-list p{margin:0;color:#44474d;font-size:.98rem}
@media (max-width:820px){.cert-list{grid-template-columns:1fr}}

/* ---------- about ---------- */
.idea{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:clamp(28px,6vw,88px);align-items:start}
.idea .obj{margin:0;padding:0;list-style:none}
.idea .obj li{padding:16px 0;border-top:1px solid var(--line)}
.idea .obj li:last-child{border-bottom:1px solid var(--line)}
@media (max-width:820px){.idea{grid-template-columns:1fr}}
.owners{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.owner{background:#fff;border-top:4px solid var(--graphite);padding:26px 28px 22px}
.owner:last-child{border-top-color:var(--crimson)}
.owner h3{margin-bottom:.2em}
.owner .yrs{font-weight:600;color:var(--steel);margin-bottom:.8em;font-size:.95rem}
@media (max-width:760px){.owners{grid-template-columns:1fr}}
.photo-band{padding:0;background:var(--ink)}
.photo-band img{width:100%;height:clamp(180px,30vw,360px);object-fit:cover;object-position:center 60%}
.team-bar{display:flex;height:46px;margin:22px 0 10px;max-width:560px}
.team-bar span{display:flex;align-items:center;padding:0 12px;color:#fff;font-weight:600;font-size:.95rem;white-space:nowrap}
.team-bar .eng{flex:58;background:var(--crimson)}
.team-bar .tech{flex:40;background:var(--graphite)}
.team-bar .adm{flex:37;background:var(--design)}
.team-key{display:flex;flex-wrap:wrap;gap:6px 22px;margin:0;padding:0;list-style:none;font-size:.92rem;color:#44474d}
.team-key b{font-weight:600}
.areas{display:grid;grid-template-columns:repeat(3,auto);gap:0 40px;justify-content:start;margin:14px 0 0;padding:0;list-style:none}
.areas li{padding:8px 0;border-top:1px solid var(--line);font-size:.98rem}
.areas b{font-weight:600}
@media (max-width:520px){.areas{grid-template-columns:repeat(2,auto)}}
.hexrow{display:flex;flex-wrap:wrap;gap:12px 8px;justify-content:center;margin:0;padding:0;list-style:none}
.hexrow li{width:min(200px,44%);text-align:center;font-size:.92rem;font-weight:500;line-height:1.3}
.hexrow img{width:100%;max-width:170px;height:auto;margin:0 auto 10px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}
.chips li{padding:6px 14px;border:1px solid var(--line);background:#fff;font-size:.94rem}
.band-mist .chips li{background:#fff}

/* ---------- projects ---------- */
.filter{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 28px;padding:0;list-style:none}
.filter button{font:500 .95rem "IBM Plex Sans",sans-serif;padding:9px 16px;background:#fff;border:1px solid var(--line);color:var(--ink);cursor:pointer}
.filter button:hover{border-color:var(--ink)}
.filter button[aria-pressed="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.proj{width:100%;border-collapse:collapse;font-size:1rem}
.proj th{text-align:left;font-weight:600;font-size:.9rem;color:var(--steel);padding:0 16px 12px 0;border-bottom:2px solid var(--ink)}
.proj td{padding:16px 16px 16px 0;border-bottom:1px solid var(--line);vertical-align:top}
.proj td:first-child{font-weight:500;max-width:46ch}
.proj tr[hidden]{display:none}
.proj .tag{display:inline-block;font-size:.82rem;color:var(--steel);border:1px solid var(--line);padding:1px 8px;margin-top:6px;font-weight:400}
@media (max-width:720px){
  .proj thead{display:none}
  .proj,.proj tbody,.proj tr,.proj td{display:block;width:100%}
  .proj tr{padding:14px 0;border-bottom:1px solid var(--line)}
  .proj td{border:0;padding:0 0 4px}
  .proj td:nth-child(2),.proj td:nth-child(3){display:inline;color:#44474d}
  .proj td:nth-child(2)::after{content:" · "}
}
.count{color:var(--steel);font-size:.95rem;margin:0 0 14px}

/* ---------- call to action ---------- */
.cta{background:var(--crimson);color:#fff;padding:clamp(44px,6vw,72px) 0}
.cta .wrap{display:flex;flex-wrap:wrap;gap:20px 48px;align-items:center;justify-content:space-between}
.cta h2{margin:0;max-width:22ch;color:#fff}
.cta .btn{background:#fff;color:var(--crimson);border-color:#fff}
.cta .btn:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.cta :focus-visible{outline-color:#fff}

/* ---------- contact ---------- */
.contact{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(32px,6vw,88px);align-items:start}
@media (max-width:900px){.contact{grid-template-columns:1fr}}
form.cf{display:grid;gap:18px}
.row2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
@media (max-width:560px){.row2{grid-template-columns:1fr}}
.cf label{display:block;font-weight:500;font-size:.95rem;margin-bottom:6px}
.cf .opt{font-weight:400;color:var(--steel)}
.cf input[type=text],.cf input[type=email],.cf input[type=tel],.cf select,.cf textarea{width:100%;font:inherit;font-size:1rem;color:var(--ink);padding:12px 14px;border:1px solid #aeb2b8;border-radius:2px;background:#fff}
.cf textarea{min-height:170px;resize:vertical}
.cf input:focus,.cf select:focus,.cf textarea:focus{outline:3px solid var(--crimson);outline-offset:1px;border-color:var(--crimson)}
.cf .check{display:flex;gap:12px;align-items:flex-start;font-weight:400}
.cf .check input{margin-top:5px;width:18px;height:18px;flex:none;accent-color:var(--crimson)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.status{padding:14px 16px;border-left:4px solid var(--steel);background:var(--mist);margin:0}
.status[hidden]{display:none}
.status.ok{border-color:#2d7a3e;background:#e9f4ec}
.status.err{border-color:var(--crimson);background:#f8e9ea}
.card-list{display:grid;gap:0;margin:0;padding:0;list-style:none}
.card-list li{padding:22px 0;border-top:1px solid var(--line)}
.card-list li:first-child{border-top:2px solid var(--ink)}
.card-list h3{margin:0 0 .35em;font-size:1.05rem}
.card-list p{margin:0}

/* ---------- prose (privacy) ---------- */
.prose h2{font-size:1.45rem;margin-top:2em}
.prose h2:first-child{margin-top:0}
.prose ul{max-width:var(--measure);padding-left:1.2em}
.prose li{margin-bottom:.4em}

/* ---------- footer ---------- */
.site-footer{background:var(--mist);border-top:4px solid var(--crimson);padding:clamp(40px,5vw,64px) 0 0;font-size:.97rem}
.foot{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,3fr) minmax(0,4fr);gap:clamp(24px,5vw,64px)}
@media (max-width:820px){.foot{grid-template-columns:1fr}}
.site-footer h2{font-size:1rem;letter-spacing:0;margin:0 0 12px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:6px}
.site-footer a{color:var(--ink)}
.site-footer a:hover{color:var(--crimson)}
.foot .brand img{height:50px;margin-bottom:16px}
.foot p{color:#44474d}
.legal{margin-top:40px;padding:18px 0;border-top:1px solid var(--line);color:var(--steel);font-size:.88rem;display:flex;flex-wrap:wrap;gap:8px 28px;justify-content:space-between}
.legal a{color:var(--steel)}

/* ---------- products, video, site spec (added 2026-10) ---------- */
.svc-block{padding:clamp(40px,6vw,72px) 0;border-top:1px solid var(--line)}
.svc-block .prose{padding-left:1.2em;margin:0 0 1em}
.prod-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:0;padding:0;list-style:none}
.prod-cards a{display:block;height:100%;background:#fff;border-top:4px solid var(--graphite);padding:26px 28px 24px;color:var(--ink);text-decoration:none}
.prod-cards li:last-child a{border-top-color:var(--crimson)}
.prod-cards a:hover{background:#fff;color:var(--ink);box-shadow:0 0 0 1px var(--ink)}
.prod-cards h3{font-size:1.5rem;margin-bottom:.3em}
.prod-cards p{color:#44474d}
.prod-cards .more{color:var(--crimson);font-weight:600;font-size:.95rem}
@media (max-width:700px){.prod-cards{grid-template-columns:1fr}}
.video{margin:28px 0 0;max-width:none}
.video video{display:block;width:100%;aspect-ratio:16/9;background:#141414}
.video figcaption{font-size:.88rem;color:var(--steel);margin-top:8px}
.spec{margin:0}
.spec>div{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 20px;padding:11px 0;border-top:1px solid var(--line);align-items:baseline}
.spec>div:last-child{border-bottom:1px solid var(--line)}
.spec dt{font-size:.97rem}
.spec dt small{display:block;color:var(--steel);font-size:.86rem;margin-top:2px}
.spec dd{margin:0;font-weight:600;white-space:nowrap}

/* news */
.news{max-width:860px}
.news-item{display:grid;grid-template-columns:minmax(0,170px) minmax(0,1fr);gap:clamp(16px,4vw,48px);padding:32px 0;border-top:1px solid var(--line)}
.news-item:first-child{border-top:2px solid var(--ink)}
.news-item time{color:#5b5e64;font-size:.95rem;padding-top:.3em}
.news-item h2{margin:0 0 .5em;font-size:clamp(1.3rem,2.4vw,1.7rem)}
.news-item p{margin:0 0 1em}
@media (max-width:640px){.news-item{grid-template-columns:1fr;gap:8px}}

/* slide viewer */
.deck{margin-top:32px}
.deck h3{margin:0 0 12px;font-size:1.05rem}
.deck-stage{border:1px solid var(--line);background:#fff;line-height:0}
.deck-stage img{display:block;width:100%;height:auto}
.deck-bar{display:none;align-items:center;gap:12px;margin-top:12px}
.deck-js .deck-bar{display:flex}
.deck-bar button{font:inherit;font-weight:600;color:var(--ink);background:#fff;border:1.5px solid var(--ink);padding:8px 16px;cursor:pointer}
.deck-bar button:hover{background:var(--mist)}
.deck-bar button:focus-visible{outline:3px solid var(--crimson);outline-offset:2px}
.deck-count{min-width:5.5em;text-align:center;color:#44474d}
.deck-full{margin-left:auto}
.deck-note{margin:10px 0 0;font-size:.9rem;color:#5b5e64}
.deck-stage:fullscreen{display:flex;align-items:center;justify-content:center;background:#111}
.deck-stage:fullscreen img{width:auto;height:100%;max-width:100%}
.deck:not(.deck-js) .deck-stage img{margin-bottom:12px}

.deck-wrap{padding:0 0 clamp(40px,6vw,72px)}.deck-wrap .deck{margin-top:0;max-width:1040px}
.deck-slide{position:relative;line-height:0}
.deck-slide[hidden]{display:none}
.deck-hot{position:absolute;display:block;border-radius:4px;cursor:pointer}
.deck-hot:hover,.deck-hot:focus-visible{outline:2px solid #fff;outline-offset:2px;background:rgba(255,255,255,.12)}

/* references */
.refs{max-width:980px}
.ref{display:grid;grid-template-columns:minmax(0,260px) minmax(0,1fr);gap:clamp(20px,4vw,56px);padding:34px 0;border-top:1px solid var(--line)}
.ref:first-child{border-top:2px solid var(--ink)}
.ref-head h2{margin:0 0 .2em;font-size:clamp(1.25rem,2.2vw,1.55rem)}
.ref-place{margin:0;color:#5b5e64}
.ref-scope{margin:0 0 1em;color:#44474d}
.ref blockquote{margin:0 0 1em;padding:0}
.ref blockquote p{margin:0;font-size:clamp(1.1rem,1.9vw,1.3rem);line-height:1.5;font-weight:500}
.ref-by{margin:0;font-size:.95rem;color:#44474d}
.refs-note{margin-top:24px}
@media (max-width:760px){.ref{grid-template-columns:1fr;gap:12px}}
.ref-letter{margin-top:18px}
.ref-letter summary{cursor:pointer;display:inline-block;font-weight:600;color:var(--crimson);padding:8px 0;list-style:none}
.ref-letter summary::-webkit-details-marker{display:none}
.ref-letter summary::before{content:"+ "}
.ref-letter[open] summary::before{content:"\2212 "}
.ref-letter summary:focus-visible{outline:3px solid var(--crimson);outline-offset:3px}
.ref-pages{display:grid;gap:14px;margin-top:10px}
.ref-pages img{display:block;width:100%;max-width:760px;height:auto;border:1px solid var(--line);background:#fff}

/* subscribe */
.sub{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(24px,5vw,72px);align-items:start}
.sub h2{margin:0 0 .4em}
.sub p{margin:0}
.sub form.cf{max-width:520px}
.unsub{margin-top:22px;max-width:520px}
.unsub summary{cursor:pointer;color:var(--crimson);font-weight:600;padding:6px 0}
.unsub form{margin-top:12px}
@media (max-width:820px){.sub{grid-template-columns:1fr}}