:root{
    /* ── LIGHT THEME — "Arctic Graphite" + brass accent ──
       Near-white stream, Ice side rails, graphite text, brass accent. */
    --sumi:#15191B;        /* footer / tooltip panels (kept dark for contrast) */
    --sumi-2:#1E2326;
    --paper:#F2F4F5;       /* stream — arctic-graphite near-white */
    --paper-2:#E5EAF1;     /* tinted band — bluish ice */
    --paper-rail:#D7E0EC;  /* signals rail — bluish Ice */
    --ink:#222A2C;         /* Graphite */
    --mist:#5A666A;        /* Steel (darkened for AA on the near-white) */
    --mist-d:#8A9498;
    --jade:#0A739C;        /* primary accent — deep cyan (AA on near-white) */
    --jade-soft:#1190C0;
    --cyan:#18A8E0;        /* primary accent — bright cyan */
    --cyan-soft:#4FBEEE;
    --brass:#8A6A14;       /* secondary accent — brass (AA for small text) */
    --brass-strong:#C9A24B;/* bright brass — for fills (e.g. CTA hover) */
    --shu:#B5472B;         /* vermilion — Aerendir seal */
    --line:rgba(34,42,44,.14);
    --line-d:rgba(255,255,255,.10);
    --rail:280px;
    --rail-collapsed:76px;
    --signals:var(--rail);  /* keep right rail exactly equal to the left */
    --ease:cubic-bezier(.22,.61,.36,1);
    --nist-tip:"FIDO2, WebAuthn/CTAP, NIST PIV, NIST Zero Trust Architecture, NIST SP 800-57, and FIPS requirements.";
    --fido-filter:none;  /* FIDO mark is black ink — invert it for dark mode below */
    --logo-teal:url("/assets/img/logo-teal.png");
    --logo-shu:url("/assets/img/logo-shu.png");
    /* themeable surfaces */
    --topbar:rgba(242,244,245,.82);
    --sig-hover:rgba(255,255,255,.5);
    --scrollthumb:rgba(34,42,44,.18);
    --hero-blend:multiply;
    --hero-filter:none;
    /* hero artwork → brand duotone (jade shadows → cyan highlights), light theme */
    --hero-art-filter:grayscale(1) contrast(1.12);
    --hero-art-blend:multiply;
    --hero-art-bg:#f2f4f5;
    /* light: lift the darks toward one lighter brand color (no dark jade end) */
    --hero-tint-bg:var(--cyan);
    --hero-tint-blend:screen;
    --hero-tint-opacity:.6;
    /* left rail — bluish Ice panel in light mode */
    --rail-bg:#D7E0EC;
    --rail-text:#495457;
    --rail-strong:#222A2C;
    --rail-dim:#67737A;
    --rail-line:rgba(34,42,44,.14);
    --rail-hover:rgba(34,42,44,.06);
    color-scheme:light;
  }
  /* ── DARK THEME (default; toggled via [data-theme]) ── */
  :root[data-theme="dark"]{
    --fido-filter:invert(1);  /* black FIDO mark → white on dark surfaces */
    --sumi:#171B1E;        /* rail / footer panels — slightly raised */
    --sumi-2:#23282C;
    --paper:#0F1315;       /* stream */
    --paper-2:#191E21;     /* tinted bands / cta */
    --paper-rail:#121618;  /* signals */
    --ink:#ECEDE6;         /* primary text */
    --mist:#9AA39D;
    --mist-d:#727B76;
    --jade:#2C9488;
    --jade-soft:#42B3A4;
    --cyan:#3DBBEC;
    --cyan-soft:#6FD0F4;
    --brass:#C9A24B;
    --brass-strong:#D4AE55;
    --line:rgba(255,255,255,.10);
    --line-d:rgba(255,255,255,.07);
    --topbar:rgba(15,19,21,.82);
    --sig-hover:rgba(255,255,255,.045);
    --scrollthumb:rgba(255,255,255,.16);
    --hero-blend:screen;
    --hero-filter:invert(1) hue-rotate(180deg);
    /* hero artwork → brand duotone (jade shadows → cyan highlights), dark theme */
    --hero-art-filter:invert(1) grayscale(1) contrast(1.2) brightness(1.08);
    --hero-art-blend:screen;
    --hero-art-bg:#0f1315;
    --hero-tint-bg:linear-gradient(118deg,var(--jade),var(--cyan));
    --hero-tint-blend:multiply;
    --hero-tint-opacity:.42;
    /* left rail — dark panel in dark mode */
    --rail-bg:var(--sumi);
    --rail-text:#C9CEC9;
    --rail-strong:#fff;
    --rail-dim:#727B76;
    --rail-line:rgba(255,255,255,.10);
    --rail-hover:rgba(255,255,255,.04);
    color-scheme:dark;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  /* NOTE: horizontal-overflow clipping lives on .stream, NOT html. overflow-x:clip on the
     root triggers a WebKit/Safari bug where position:fixed elements (e.g. the contact modal)
     anchor to the document instead of the viewport, appearing offset when the page is scrolled. */
  html{scroll-behavior:smooth;background:var(--paper)}
  body{
    font-family:"Open Sans",system-ui,sans-serif;
    background:var(--paper);color:var(--ink);
    display:flex;min-height:100vh;font-weight:300;-webkit-font-smoothing:antialiased;
  }
  ::selection{background:var(--jade);color:#fff}
  a{color:inherit;text-decoration:none}
  .eyebrow{font-family:"Montserrat",sans-serif;font-size:11px;letter-spacing:.34em;text-transform:uppercase;font-weight:500;color:var(--jade)}
  /* Light mode: section eyebrows carry the brass secondary accent (cyan stays primary). */
  :root:not([data-theme="dark"]) .eyebrow{color:var(--brass)}

  /* ── Aerendir seal (vermilion). Swap inner .seal-logo for the real logo asset. ── */
  .seal{
    border:1.5px solid var(--shu);border-radius:9px;
    display:grid;place-items:center;background:rgba(181,71,43,.07);
    flex:0 0 40px;width:40px;height:40px;
  }
  .seal-logo{font-family:"Playfair Display",serif;font-weight:600;color:var(--shu);
    font-size:21px;line-height:1}
  .seal-dark{background:var(--sumi-2)}
  .seal-mark{width:66%;height:66%;background:var(--logo-shu) center/contain no-repeat;display:block}
  .av-mark{width:60%;height:60%;background:var(--logo-shu) center/contain no-repeat;display:block}

  /* ───────────────────────── LEFT RAIL ───────────────────────── */
  .rail{
    width:var(--rail);flex:0 0 var(--rail);background:var(--rail-bg);color:var(--rail-text);z-index:20;
    border-right:1px solid var(--line);
    transition:width .42s var(--ease),flex-basis .42s var(--ease);
  }
  /* column stretches to full page height (bg fills, no gap); inner stays pinned at 100vh */
  .rail-inner{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;
    padding:28px 0 22px;overflow:hidden}
  body.collapsed .rail{width:var(--rail-collapsed);flex-basis:var(--rail-collapsed)}
  .brand{display:flex;align-items:center;padding:2px 26px 30px}
  /* light rail: teal logo shows as-is; dark rail: brighten for contrast */
  .brand-logo{height:60px;width:auto;display:block;filter:none;
    transition:opacity .25s var(--ease)}
  :root[data-theme="dark"] .brand-logo{filter:brightness(1.8) saturate(1.1)}
  body.collapsed .brand-logo{opacity:0;pointer-events:none}
  .wordmark{font-family:"Playfair Display",serif;font-size:21px;letter-spacing:.16em;font-weight:500;
    white-space:nowrap;transition:opacity .25s var(--ease)}
  .wordmark span{color:var(--jade-soft)}
  .logo-r{display:inline-block;width:1em;height:1em;vertical-align:-0.16em;margin:0 .03em;
    background:var(--logo-teal) center/contain no-repeat}
  body.collapsed .wordmark{opacity:0;pointer-events:none}
  body.collapsed .brand::before{content:"";width:28px;height:28px;display:block;
    background:var(--logo-teal) center/contain no-repeat}

  .toggle{position:absolute;top:34px;right:18px;width:26px;height:26px;border:none;background:transparent;
    cursor:pointer;display:grid;place-items:center;color:var(--rail-dim);
    transition:color .2s,transform .42s var(--ease)}
  .toggle:hover{color:var(--rail-strong)}
  body.collapsed .toggle{transform:rotate(180deg);right:25px}

  .nav{margin-top:6px;flex:1;overflow-y:auto;overflow-x:hidden}
  .nav::-webkit-scrollbar{width:0}
  .nav-group-label{font-size:10px;letter-spacing:.28em;text-transform:uppercase;color:var(--rail-dim);
    padding:18px 26px 8px;white-space:nowrap;transition:opacity .25s var(--ease)}
  body.collapsed .nav-group-label{opacity:0}
  .nav-item{display:flex;align-items:center;gap:16px;padding:11px 24px;color:var(--rail-text);cursor:pointer;
    position:relative;white-space:normal;transition:color .2s,background .2s}
  body.collapsed .nav-item{white-space:nowrap}
  .nav-item svg{flex:0 0 20px;width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.5;
    stroke-linecap:round;stroke-linejoin:round}
  .nav-item .lbl{font-size:14.5px;font-weight:400;letter-spacing:.02em;line-height:1.3;transition:opacity .25s var(--ease)}
  body.collapsed .nav-item .lbl{opacity:0}
  .nav-item::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
    width:2px;height:0;background:linear-gradient(var(--jade),var(--cyan));transition:height .25s var(--ease)}
  .nav-item:hover,.nav-item.active{color:var(--rail-strong)}
  .nav-item.active::before{height:22px}
  .nav-item .chev{margin-left:auto;width:14px;height:14px;opacity:.5;transition:opacity .25s}
  body.collapsed .nav-item .chev{opacity:0}

  /* Products → static group label (listing page hidden); four boxes always shown (indent = hierarchy) */
  .nav-static{cursor:default}
  .nav-static:not(.active):hover{color:var(--rail-text)}
  .nav-sub{display:block;padding:6px 18px 12px 56px}
  .nav-sub a{display:block;font-size:12.5px;font-weight:500;line-height:1.45;color:var(--rail-text);letter-spacing:.03em;
    padding:9px 12px;margin-top:8px;border:1px solid var(--rail-line);border-radius:7px;
    transition:color .2s,border-color .2s,background .2s}
  .nav-sub a:first-child{margin-top:0}
  .nav-sub a:hover{color:var(--rail-strong);border-color:var(--cyan);background:var(--rail-hover)}
  .nav-sub a.active{color:var(--rail-strong);border-color:var(--jade);background:var(--rail-hover)}
  body.collapsed .nav-sub{display:none}

  .rail-foot{padding:20px 26px 0;border-top:1px solid var(--rail-line);display:flex;align-items:center;
    gap:14px;white-space:nowrap}
  .rail-foot:hover .seal-cap b{color:var(--rail-strong)}
  .rail-foot:hover .seal{border-color:var(--cyan)}
  .seal-cap{font-size:11px;color:var(--rail-dim);line-height:1.5;transition:opacity .25s var(--ease)}
  .seal-cap b{display:block;color:var(--rail-text);font-weight:400;letter-spacing:.04em}
  body.collapsed .seal-cap{opacity:0}

  /* ───────────────────────── CENTER STREAM ───────────────────────── */
  .stream{flex:1;min-width:0;display:flex;flex-direction:column;overflow-x:clip}
  .topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:24px;
    padding:0 clamp(28px,4vw,64px);height:68px;background:var(--topbar);
    backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
  .navbar-burger{display:none;width:34px;height:34px;border:none;background:transparent;cursor:pointer;
    color:var(--ink);place-items:center;margin-left:-6px;flex:0 0 auto}
  .navbar-burger svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round}
  .crumb{font-size:12px;letter-spacing:.12em;color:var(--mist);text-transform:uppercase}
  .crumb b{color:var(--ink);font-weight:500}
  .ver{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--jade);
    border:1px solid var(--line);border-radius:999px;padding:4px 11px;font-weight:500;white-space:nowrap}
  .search{margin-left:auto;display:flex;align-items:center;gap:9px;border-bottom:1px solid var(--line);
    padding:6px 2px;width:min(220px,24vw)}
  .search svg{width:15px;height:15px;stroke:var(--mist);fill:none;stroke-width:1.6}
  .search input{border:none;background:transparent;outline:none;font-family:inherit;font-size:13px;
    font-weight:300;color:var(--ink);width:100%}
  .search input::placeholder{color:var(--mist)}
  .lang{display:flex;gap:13px;font-size:12px;letter-spacing:.08em;color:var(--mist)}
  .lang a.on{color:var(--ink);font-weight:500}
  .lang a{cursor:pointer;transition:color .2s}
  .lang a:hover{color:var(--jade)}
  .theme-toggle{width:30px;height:30px;border:none;background:transparent;cursor:pointer;margin-left:auto;
    color:var(--mist);display:grid;place-items:center;transition:color .2s}
  .theme-toggle:hover{color:var(--jade)}
  .theme-toggle svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.6;
    stroke-linecap:round;stroke-linejoin:round;grid-area:1/1}
  :root[data-theme="dark"] .theme-toggle .ic-moon{display:none}
  :root:not([data-theme="dark"]) .theme-toggle .ic-sun{display:none}

  .feed{flex:1;padding:0 clamp(28px,4vw,64px);max-width:1700px;width:100%;margin-inline:auto}
  /* Signals-collapsed pages (News): use the freed-up width and center the feed,
     so wide screens get a balanced multi-column grid instead of a left-stuck 2-up. */
  body.feed-wide .feed{max-width:1640px;margin-inline:auto}
  .block{padding:clamp(60px,8vh,112px) 0;border-bottom:1px solid var(--line)}
  .block:last-child{border-bottom:none}
  .reveal{opacity:0;transform:translateY(22px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
  .reveal.in{opacity:1;transform:none}

  /* HERO */
  .hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.92fr);gap:clamp(28px,4vw,72px);align-items:center}
  .hero-art{margin:0;min-width:0}
  .hero-art img,.hero-art video{width:100%;height:auto;display:block;mix-blend-mode:var(--hero-blend);filter:var(--hero-filter)}
  /* Home hero only (plain .hero-art) → brand jade→cyan duotone. Product/Technology
     heroes carry .tech-art and are intentionally excluded — leave them untouched. */
  .hero-art:not(.tech-art),.duo-art{position:relative;isolation:isolate;
    border-radius:14px;overflow:hidden;background:var(--hero-art-bg)}
  .duo-art{margin:0}
  .hero-art:not(.tech-art) img,.hero-art:not(.tech-art) video,.duo-art img,.duo-art video{width:100%;height:auto;display:block;
    mix-blend-mode:var(--hero-art-blend);filter:var(--hero-art-filter)}
  .hero-art:not(.tech-art)::after,.duo-art::after{content:"";position:absolute;inset:0;pointer-events:none;
    background:var(--hero-tint-bg);
    mix-blend-mode:var(--hero-tint-blend);opacity:var(--hero-tint-opacity)}
  /* Rounded corners on all content figure images (heroes, product shots, etc.) */
  .feed figure img{border-radius:14px}
  /* Full-colour illustrations/photos shown as-is in a neutral themed frame
     (no duotone). Works in light & dark; used for product/tech heroes. */
  .art-frame{margin:0;min-width:0;border:1px solid var(--line);border-radius:16px;overflow:hidden;
    background:var(--paper-2)}
  .art-frame img,.art-frame video{display:block;width:100%;height:auto;border-radius:0;mix-blend-mode:normal;filter:none}
  .hero .art-frame{align-self:center}
  /* ── Edge feather: melt non-demo media into the page background (both themes).
     Fades each media's four edges to transparent and drops the card border.
     Excludes demo videos (.demo-*), the contact map (.map-*), and headshots (.person-photo). ── */
  :root{
    --feather:linear-gradient(to right,transparent 0,#000 7%,#000 93%,transparent 100%),linear-gradient(to bottom,transparent 0,#000 7%,#000 93%,transparent 100%);
    --feather-soft:linear-gradient(to right,transparent 0,#000 4%,#000 96%,transparent 100%),linear-gradient(to bottom,transparent 0,#000 5%,#000 95%,transparent 100%);
  }
  /* media that fills its figure → feather the whole figure, drop the card chrome */
  .media-feather,.art-frame,.hero-art:not(.tech-art),.duo-art{
    border:0;border-radius:0;
    -webkit-mask-image:var(--feather);-webkit-mask-composite:source-in;
    mask-image:var(--feather);mask-composite:intersect}
  /* media centered/smaller than its figure, or sitting beside text → feather the media itself */
  .tech-art img,.how-art img,.how-art-plain img,.cap-figure img{
    -webkit-mask-image:var(--feather);-webkit-mask-composite:source-in;
    mask-image:var(--feather);mask-composite:intersect}
  .how-art{border:0;background:none;padding:0}
  .how-art-plain img,.cap-figure img{border:0;border-radius:0}
  /* diagrams keep their light card (dark text needs the backing) — gentle feather only */
  .art-diagram{border:0;border-radius:0;
    -webkit-mask-image:var(--feather-soft);-webkit-mask-composite:source-in;
    mask-image:var(--feather-soft);mask-composite:intersect}
  @media(max-width:980px){
    .hero .art-frame{order:-1;max-width:520px;width:100%;margin-inline:auto}
  }
  /* Wide diagrams: keep a constant light mat so dark labels stay legible in dark mode. */
  .art-diagram{margin:0;border:1px solid var(--line);border-radius:16px;overflow:hidden;
    background:#f1f4f8;padding:clamp(16px,3vw,32px)}
  .art-diagram img{display:block;width:100%;height:auto;border-radius:0;mix-blend-mode:normal;filter:none}
  /* Spacing when a diagram closes out a how-it-works section */
  .how-diagram{margin-top:clamp(30px,4.5vw,52px)}
  /* Light/dark diagram pair — show the variant matching the active theme.
     Selectors scoped to .how-diagram to outrank ".art-frame img{display:block}". */
  .how-diagram .diag-dark{display:none}
  :root[data-theme="dark"] .how-diagram .diag-light{display:none}
  :root[data-theme="dark"] .how-diagram .diag-dark{display:block}
  /* transparent colored SVG illustration — no photo blend/invert */
  .tech-art img{mix-blend-mode:normal;filter:none;max-width:440px;margin-inline:auto}
  @media(max-width:980px){
    .hero{grid-template-columns:1fr}
    .hero-art{order:-1;max-width:520px;width:100%;margin-inline:auto}
    /* stacked: restore comfortable gap between kicker, copy and image */
    .hero:has(.hero-kicker){row-gap:clamp(22px,5vw,36px)}
  }
  .hero-copy{max-width:680px}
  .hero .eyebrow{font-size:15px;letter-spacing:.26em}
  /* Product hero eyebrow → full-width kicker across the hero (wraps only if it
     truly can't fit — never forces the column wider, so no overflow on tablet). */
  .hero .hero-kicker{grid-column:1 / -1;margin:0;max-width:100%}
  .hero:has(.hero-kicker){row-gap:14px}
  .hero h1{font-family:"Playfair Display",serif;font-weight:500;font-size:clamp(40px,6vw,74px);
    line-height:1.04;letter-spacing:.01em;margin:22px 0 26px}
  /* home hero is a full sentence (not 3 words) — scale it down to fit */
  .hero:not(.solo) h1{font-size:clamp(30px,3.7vw,52px);line-height:1.12}
  .hero h1 em{font-style:normal;background:linear-gradient(96deg,var(--jade),var(--cyan));
    -webkit-background-clip:text;background-clip:text;color:transparent}
  .hero p{font-size:clamp(15px,1.4vw,18px);line-height:1.85;color:var(--mist);max-width:54ch;font-weight:300}
  .actions{display:flex;align-items:center;gap:28px;margin-top:40px;flex-wrap:wrap}
  .btn{display:inline-flex;align-items:center;gap:11px;font:inherit;font-size:13.5px;letter-spacing:.06em;
    font-weight:400;color:var(--ink);background:transparent;cursor:pointer;
    appearance:none;-webkit-appearance:none;border:0;border-bottom:1px solid var(--ink);padding:0 0 5px;
    transition:gap .25s var(--ease),color .2s,border-color .2s}
  .btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.6}
  .btn:hover{gap:18px;color:var(--brass);border-color:var(--brass)}
  .btn.ghost{border-color:transparent;color:var(--mist)}
  .btn.ghost:hover{color:var(--brass)}

  /* PILLARS */
  .pillars{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
  .pillar{padding:0 36px;border-left:1px solid var(--line);min-width:0}
  .pillar:first-child{padding-left:0;border-left:none}
  .pillar .tick{width:26px;height:2px;background:var(--jade);display:block}
  .pillar h3{font-family:"Playfair Display",serif;font-weight:500;font-size:24px;margin:18px 0 12px;
    letter-spacing:.02em;overflow-wrap:break-word}
  .pillar p{font-size:14px;line-height:1.8;color:var(--mist);font-weight:300;overflow-wrap:break-word}

  /* FEATURED */
  .feature{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(40px,5vw,80px);align-items:start}
  .q{font-family:"Playfair Display",serif;font-weight:500;font-size:clamp(32px,4vw,52px);
     line-height:1.12;letter-spacing:.01em}
  .feature .label{margin-top:26px;font-size:13px;letter-spacing:.2em;text-transform:uppercase;color:var(--jade)}
  .feature .label b{color:var(--ink);font-weight:600}
  .feature .desc{margin-top:22px;font-size:16px;line-height:1.85;color:var(--mist);font-weight:300}
  .chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
  .chip{font-size:12px;letter-spacing:.05em;color:var(--ink);border:1px solid var(--line);
    border-radius:999px;padding:7px 15px;background:rgba(255,255,255,.4)}
  .verified{display:flex;align-items:center;gap:14px;margin-top:38px}
  .verified .seal{flex:0 0 46px;width:46px;height:46px}
  .verified .seal-logo{font-size:24px}
  .verified small{font-size:13px;color:var(--mist);line-height:1.5}
  .verified small b{display:block;color:var(--ink);font-weight:500;letter-spacing:.04em}

  /* MISSION */
  .mission{background:var(--paper-2);margin:0 calc(-1*clamp(28px,4vw,64px));
    padding:clamp(70px,10vh,120px) clamp(28px,4vw,64px);text-align:center;border-bottom:1px solid var(--line)}
  .mission .eyebrow{display:block;margin-bottom:30px}
  .mission blockquote{font-family:"Montserrat",sans-serif;font-weight:500;font-size:clamp(28px,4vw,46px);
    line-height:1.4;letter-spacing:.01em;max-width:18ch;margin:0 auto}
  .mission blockquote .jade{background:linear-gradient(96deg,var(--jade),var(--cyan));
    -webkit-background-clip:text;background-clip:text;color:transparent}
  .mission .sub{margin-top:34px;font-size:15px;line-height:1.85;color:var(--mist);max-width:56ch;
    margin-left:auto;margin-right:auto;font-weight:300}

  /* ECOSYSTEM INDEX */
  .sec-head{margin-bottom:52px;max-width:62ch}
  /* Home products heading spans the full content column */
  #index .sec-head{max-width:none}
  /* Capabilities heading has no body paragraph — let it use the full width (one line) */
  .sec-head.cap-head{max-width:none}
  .sec-head h2{font-family:"Playfair Display",serif;font-weight:500;font-size:clamp(28px,3.4vw,40px);
    margin:18px 0 14px;letter-spacing:.01em}
  .sec-head p{font-size:15px;line-height:1.8;color:var(--mist);font-weight:300}
  .group{margin-bottom:44px}.group:last-child{margin-bottom:0}
  .group-title{font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:var(--mist);
    padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:4px}
  .prow{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:baseline;gap:30px;
    padding:24px 4px;border-bottom:1px solid var(--line);cursor:pointer;position:relative;
    transition:padding-left .3s var(--ease)}
  .prow:hover{padding-left:18px}
  .prow.soon{opacity:.4;pointer-events:none;cursor:default}
  .prow::after{content:"";position:absolute;left:0;bottom:-1px;height:1px;width:0;background:var(--jade);
    transition:width .4s var(--ease)}
  .prow:hover::after{width:100%}
  .prow .pq{font-family:"Playfair Display",serif;font-size:clamp(22px,2.4vw,29px);font-weight:400;letter-spacing:.01em}
  .prow:hover .pq{color:var(--jade)}
  .prow .pmeta{text-align:right;white-space:nowrap}
  .prow .pname{font-size:14px;font-weight:500;letter-spacing:.08em}
  .prow .pdesc{font-size:12px;color:var(--mist);margin-top:4px;letter-spacing:.03em}

  /* INNER PAGES: solo hero, prose, two-up cards, stat band, CTA */
  .hero.solo{grid-template-columns:1fr}
  .prose p{font-size:16px;line-height:1.85;color:var(--mist);font-weight:300;max-width:64ch;margin:0 0 20px}
  .prose a{color:var(--jade);text-decoration:underline;text-underline-offset:3px;transition:color .2s}
  .prose a:hover{color:var(--cyan)}
  .prose p:last-child{margin-bottom:0}
  .person-bio a{color:var(--jade);text-decoration:underline;text-underline-offset:3px;transition:color .2s}
  .person-bio a:hover{color:var(--cyan)}
  .pillars.duo{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stats{display:grid;grid-template-columns:repeat(3,1fr)}
  .stat{padding:0 34px;border-left:1px solid var(--line)}
  .stat:first-child{padding-left:0;border-left:none}
  .stat .n{font-family:"Playfair Display",serif;font-weight:500;font-size:clamp(28px,3.4vw,42px);color:var(--jade);line-height:1.05}
  .stat .sl{margin-top:14px;font-size:13.5px;line-height:1.7;color:var(--mist);font-weight:300}
  .note{margin-top:42px;font-size:15px;color:var(--ink);font-weight:400;letter-spacing:.01em}
  .cta{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px 28px;
    background:var(--paper-2);padding:clamp(28px,4vw,44px) clamp(28px,4vw,48px);border-radius:16px}
  .cta p{font-family:"Playfair Display",serif;font-size:clamp(19px,2.2vw,27px);font-weight:400;color:var(--ink);
    flex:1 1 16rem}
  .cta .btn{flex:0 0 auto}
  /* actions block can shrink + wrap so its buttons never overflow the band */
  .cta .cta-actions{flex:0 1 auto;min-width:0}
  .cta .btn{white-space:nowrap}
  /* Primary CTA: blue (cyan) by default, brass on hover. Fixed dark text for
     contrast on both the cyan and the brass across light & dark themes. */
  .btn.solid{background:var(--cyan);color:#10202A;border:1px solid var(--cyan);padding:13px 24px;border-radius:8px;transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease)}
  .btn.solid:hover{background:var(--brass-strong);border-color:var(--brass-strong);color:#10202A}
  /* Outline pill — same footprint as .solid, transparent with a hairline border */
  .btn.outline{background:transparent;color:var(--ink);border:1px solid var(--line);padding:13px 24px;border-radius:8px;transition:border-color .2s var(--ease),color .2s var(--ease)}
  .btn.outline:hover{border-color:var(--cyan);color:var(--ink)}
  /* Teal→cyan gradient text accent (reusable) */
  .grad{background:linear-gradient(96deg,var(--jade),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
  /* "Coming soon" CTA: visible but non-interactive */
  .btn.solid.is-soon,.btn.solid:disabled{opacity:.5;cursor:default;pointer-events:none}
  .btn.solid.is-soon:hover,.btn.solid:disabled:hover{background:var(--cyan);border-color:var(--cyan);color:#10202A}
  .btn.solid svg{fill:currentColor}

  /* HOME: four product boxes */
  .prodgrid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(14px,1.6vw,20px)}
  .prodbox{position:relative;display:block;border:1px solid var(--line);border-radius:12px;
    padding:clamp(24px,2.6vw,34px);background:var(--paper-2);
    transition:border-color .25s var(--ease),transform .25s var(--ease)}
  .prodbox:hover{border-color:var(--cyan);transform:translateY(-3px)}
  .pb-name{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--jade);font-weight:600}
  .pb-q{font-family:"Playfair Display",serif;font-weight:500;font-size:clamp(20px,2.1vw,26px);
    line-height:1.15;margin:14px 0 12px;color:var(--ink)}
  .pb-blurb{font-size:14px;line-height:1.7;color:var(--mist);font-weight:300;max-width:42ch}
  .pb-arrow{position:absolute;top:clamp(24px,2.6vw,34px);right:clamp(24px,2.6vw,34px);color:var(--mist);
    transition:color .2s,transform .25s var(--ease)}
  .pb-arrow svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
  .prodbox:hover .pb-arrow{color:var(--cyan);transform:translateX(4px)}
  @media(max-width:760px){ .prodgrid{grid-template-columns:1fr} }
  /* checklist — capability ticks (jade box + check), themes via --jade */
  .checklist{list-style:none;display:grid;gap:15px;max-width:64ch}
  .checklist li{display:flex;gap:14px;font-size:16px;line-height:1.7;color:var(--ink);font-weight:300}
  .checklist li::before{content:"";flex:0 0 20px;width:20px;height:20px;margin-top:3px;border-radius:5px;
    background:var(--jade) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 13l4 4L19 7'/%3E%3C/svg%3E") center/12px no-repeat}
  .checklist a{color:var(--jade);text-decoration:underline;text-underline-offset:3px;transition:color .2s}
  .checklist a:hover{color:var(--cyan)}
  @media(max-width:760px){
    .stats{grid-template-columns:1fr;gap:28px}
    .stat{border-left:none;padding:0}
    .pillars.duo{grid-template-columns:1fr}
  }

  /* FOOTER */
  .foot{background:var(--sumi);color:#C9CEC9;margin:0 calc(-1*clamp(28px,4vw,64px));
    padding:clamp(56px,8vh,90px) clamp(28px,4vw,64px) 40px}
  .foot-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:48px}
  .foot-brand .wm{font-family:"Playfair Display",serif;font-size:24px;letter-spacing:.14em;color:#fff}
  .foot-brand .wm span{color:var(--jade-soft)}
  /* official registered logo (teal letters + cyan swoosh); lift slightly on dark */
  .foot-logo{height:50px;width:auto;display:block}
  .foot-brand p{font-size:13.5px;line-height:1.85;color:var(--mist-d);margin-top:18px;max-width:34ch;font-weight:300}
  .fcol h4{font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--mist-d);line-height:1.2;margin-bottom:20px}
  /* continuation column (blank heading): reserve the heading's height so links align */
  .fcol-spacer{height:13.2px;margin-bottom:20px}
  .fcol a{display:block;font-size:14px;color:#C9CEC9;padding:7px 0;font-weight:300;transition:color .2s}
  .fcol a:hover{color:#fff}
  .foot-bar{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin-top:56px;padding-top:26px;
    border-top:1px solid var(--line-d);font-size:12px;color:var(--mist-d);letter-spacing:.04em}
  .foot-bar a{flex:0 0 auto}
  .foot-bar .lang{margin-left:auto}.foot-bar .lang b{color:#fff}.foot-bar .lang span{color:var(--mist-d)}
  .foot-bar a{color:var(--mist-d);transition:color .2s}.foot-bar a:hover{color:#fff}
  /* Social share row (footer is dark in both themes) */
  .foot-socials{display:flex;justify-content:space-between;gap:28px 56px;flex-wrap:wrap;
    margin-top:44px;padding-top:30px;border-top:1px solid var(--line-d)}
  @media(max-width:760px){ .foot-socials{flex-direction:column;gap:26px} }
  .foot-share-label{display:block;font-family:"Montserrat",sans-serif;font-size:10px;letter-spacing:.28em;
    text-transform:uppercase;color:var(--mist-d);margin-bottom:16px}
  .foot-share-icons{display:flex;flex-wrap:wrap;gap:10px}
  .share-ic{position:relative;width:36px;height:36px;border:1px solid var(--line-d);border-radius:9px;display:grid;
    place-items:center;color:#C9CEC9;cursor:pointer;background:transparent;transition:color .2s,border-color .2s,background .2s,transform .2s}
  .share-ic svg{width:17px;height:17px;display:block}
  .share-ic:hover{color:#fff;border-color:var(--cyan);background:rgba(255,255,255,.05);transform:translateY(-2px)}
  /* "Link copied!" tooltip on the Instagram copy button */
  .share-ic.copied::after{content:attr(data-copied-label);position:absolute;bottom:calc(100% + 8px);left:50%;
    transform:translateX(-50%);background:var(--sumi-2);color:#fff;font-family:"Montserrat",sans-serif;
    font-size:10.5px;letter-spacing:.04em;padding:5px 9px;border-radius:6px;white-space:nowrap;pointer-events:none;
    box-shadow:0 6px 18px rgba(0,0,0,.35)}

  /* ── Legal / privacy-policy long-form ── */
  .legal{max-width:none}
  .legal h2{font-family:"Playfair Display",serif;font-weight:500;font-size:clamp(22px,2.6vw,30px);
    letter-spacing:.01em;margin:48px 0 14px;padding-top:8px}
  .legal h2:first-child{margin-top:0}
  .legal h3{font-family:"Montserrat",sans-serif;font-weight:600;font-size:13px;letter-spacing:.08em;
    text-transform:uppercase;color:var(--jade);margin:30px 0 10px}
  .legal p{font-size:15.5px;line-height:1.85;color:var(--mist);font-weight:300;margin:0 0 18px}
  .legal ul{margin:0 0 20px;padding-left:22px;display:flex;flex-direction:column;gap:10px}
  .legal li{font-size:15.5px;line-height:1.7;color:var(--mist);font-weight:300}
  .legal li::marker{color:var(--jade)}
  .legal a{color:var(--jade);text-decoration:underline;text-underline-offset:3px}
  .legal strong{color:var(--ink);font-weight:600}

  /* ───────────────────────── RIGHT SIGNALS RAIL ───────────────────────── */
  .signals{
    flex:0 0 var(--signals);width:var(--signals);
    background:var(--paper-rail);border-left:1px solid var(--line);
    transition:width .42s var(--ease),flex-basis .42s var(--ease),opacity .3s,border-color .3s;
  }
  .sig-inner{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;overflow:hidden}
  /* Collapse only applies on mobile/tablet (<1240px); see media query below. */
  .sig-head{display:flex;align-items:center;gap:12px;padding:0 22px;height:68px;
    border-bottom:1px solid var(--line);background:var(--paper-rail);position:sticky;top:0;z-index:2}
  .sig-head h3{font-family:"Playfair Display",serif;font-weight:500;font-size:18px;letter-spacing:.04em;
    white-space:nowrap;min-width:0;overflow:hidden;text-overflow:ellipsis}
  .sig-title-link{color:inherit;text-decoration:none;transition:color .2s}
  .sig-title-link:hover{color:var(--cyan)}
  @keyframes pulse{0%{transform:scale(.6);opacity:.7}100%{transform:scale(1.8);opacity:0}}
  .sig-collapse{margin-left:auto;width:26px;height:26px;border:none;background:transparent;cursor:pointer;
    display:none;place-items:center;color:var(--mist);transition:color .2s}
  .sig-collapse:hover{color:var(--ink)}
  .sig-filters{display:flex;gap:8px;padding:16px 22px;border-bottom:1px solid var(--line);
    flex-wrap:wrap;background:var(--paper-rail)}
  .fchip{font-size:11.5px;letter-spacing:.06em;color:var(--mist);background:transparent;border:1px solid var(--line);
    border-radius:999px;padding:5px 13px;cursor:pointer;transition:.2s;white-space:nowrap}
  .fchip:hover{color:var(--brass);border-color:var(--brass)}
  .fchip.on{background:var(--cyan);color:#10202A;border-color:var(--cyan)}
  .fchip.on:hover{background:var(--brass-strong);border-color:var(--brass-strong);color:#10202A}

  .sig-scroll{flex:1;overflow-y:auto;padding:6px 0 30px}
  .sig-scroll::-webkit-scrollbar{width:6px}
  .sig-scroll::-webkit-scrollbar-thumb{background:var(--scrollthumb);border-radius:3px}
  .sig{padding:20px 22px;border-bottom:1px solid var(--line);transition:background .2s;cursor:pointer}
  .sig:hover{background:var(--sig-hover)}
  .sig-link{display:block;color:inherit;text-decoration:none}
  .sig-top{display:flex;align-items:center;gap:10px;margin-bottom:11px}
  .av{flex:0 0 30px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;
    font-size:12px;font-weight:500;color:#fff;font-family:"Playfair Display",serif}
  .av.jade{background:var(--jade)}
  .av.aer{background:rgba(181,71,43,.08);border:1.5px solid var(--shu);color:var(--shu)}
  .badge{font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;font-weight:600;
    padding:3px 8px;border-radius:4px}
  .badge.x{background:var(--ink);color:var(--paper)}
  .badge.news{background:rgba(21,117,107,.12);color:var(--jade)}
  .badge.article{background:rgba(110,118,114,.14);color:var(--mist)}
  .sig-src{font-size:12px;color:var(--mist);letter-spacing:.02em}
  .sig-src b{color:var(--ink);font-weight:500}
  .sig-src .tick{color:var(--jade);font-size:11px}
  .sig-text{font-size:14px;line-height:1.6;color:var(--ink);font-weight:300}
  .sig-head4{font-family:"Playfair Display",serif;font-weight:500;font-size:16px;line-height:1.4;color:var(--ink)}
  .sig-excerpt{font-size:13px;line-height:1.65;color:var(--mist);margin-top:8px;font-weight:300}
  .sig-metrics{display:flex;gap:18px;margin-top:12px;font-size:12px;color:var(--mist);letter-spacing:.03em}
  .sig-loader{display:flex;align-items:center;justify-content:center;gap:10px;padding:26px;
    font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--mist)}
  .spin{width:15px;height:15px;border:2px solid var(--line);border-top-color:var(--jade);border-radius:50%;
    animation:spin .8s linear infinite}
  @keyframes spin{to{transform:rotate(360deg)}}

  .sig-reopen{display:none;position:fixed;right:0;top:50%;z-index:30;transform:translateY(-50%) translateX(105%);
    background:var(--sumi);color:#E9EBE7;border:none;cursor:pointer;padding:18px 11px;
    border-radius:8px 0 0 8px;writing-mode:vertical-rl;font-family:inherit;font-size:12px;
    letter-spacing:.22em;text-transform:uppercase;transition:transform .42s var(--ease);
    box-shadow:-8px 0 24px rgba(0,0,0,.14)}
  body.signals-collapsed .sig-reopen{transform:translateY(-50%) translateX(0)}
  .sig-reopen:hover{color:var(--jade-soft)}

  /* ───────────────────────── NEWS page: filter tabs + feed cards ───────────────────────── */
  .newsfilters{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 34px}
  .newsfilter{font-size:12.5px;letter-spacing:.05em;color:var(--mist);border:1px solid var(--line);
    border-radius:999px;padding:7px 16px;cursor:pointer;background:transparent;transition:.2s}
  .newsfilter:hover{color:var(--ink)}
  .newsfilter.on{background:var(--ink);color:var(--paper);border-color:var(--ink)}
  .newsgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:clamp(16px,2vw,24px)}
  /* News page — categorized rows */
  .news-cat{padding:clamp(32px,4.5vh,56px) 0;border-bottom:1px solid var(--line)}
  .news-cat:last-child{border-bottom:none}
  .news-cat-head{display:flex;align-items:center;gap:18px;margin-bottom:26px;flex-wrap:wrap}
  .news-ext{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--mist);
    border:1px solid var(--line);border-radius:999px;padding:3px 11px}
  .news-follow{display:flex;gap:10px;flex-wrap:wrap;margin-left:auto}
  .news-follow a{display:inline-flex;align-items:center;gap:7px;font-size:12px;letter-spacing:.04em;
    color:var(--mist);border:1px solid var(--line);border-radius:999px;padding:6px 13px;
    text-decoration:none;transition:color .2s,border-color .2s}
  .news-follow a:hover{color:var(--jade);border-color:var(--jade)}
  .news-follow svg{width:13px;height:13px;flex:0 0 13px}
  /* Mobile: follow buttons align left and wrap instead of overflowing the right edge */
  @media(max-width:760px){ .news-follow{margin-left:0;width:100%} }
  .news-cat-head h2{font-family:"Playfair Display",serif;font-weight:500;font-size:clamp(22px,2.6vw,30px);
    letter-spacing:.01em;margin:0}
  .news-seeall{font-size:12px;letter-spacing:.05em;color:var(--jade);border:1px solid var(--line);
    border-radius:999px;padding:6px 15px;transition:color .2s,border-color .2s,background .2s}
  .news-seeall:hover{color:var(--cyan);border-color:var(--cyan)}
  .news-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,270px),1fr));gap:clamp(16px,1.8vw,24px)}
  .nc-net{width:15px;height:15px;flex:0 0 15px;margin-left:auto;color:var(--mist)}
  .badge.press{background:rgba(41,171,226,.12);color:var(--cyan)}
  /* Back link (press archive / detail pages) */
  .back-link[hidden]{display:none}
  .back-link{display:flex;width:fit-content;align-items:center;gap:8px;margin-bottom:18px;
    font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--mist);
    text-decoration:none;transition:color .2s}
  .back-link:hover{color:var(--ink)}
  .back-link svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;
    stroke-linecap:round;stroke-linejoin:round;transition:transform .2s}
  .back-link:hover svg{transform:translateX(-3px)}
  /* Blog detail + press archive */
  /* Blog/press detail: smaller heading + subtitle (matches product-page sizing) */
  .hero.post-hero h1{font-size:clamp(28px,3.4vw,40px);line-height:1.15}
  .post-sub{font-family:"Playfair Display",serif;font-weight:400;font-size:clamp(18px,2vw,25px);
    line-height:1.35;color:var(--ink);margin:12px 0 0;max-width:60ch}
  .post-byline{color:var(--mist);font-size:14px;letter-spacing:.02em}
  .post-body p{max-width:none;margin-bottom:18px}
  .post-body p:last-child{margin-bottom:0}
  .post-body h3{font-family:"Playfair Display",serif;font-weight:500;font-size:clamp(18px,2vw,23px);
    margin:30px 0 12px}
  /* FAQ accordion */
  .faq-cat{padding:clamp(26px,4vw,44px) 0;border-bottom:none}
  .faq-cat:last-of-type{padding-bottom:clamp(56px,9vh,104px)}
  .faq-cat-title{font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:var(--jade);margin-bottom:22px}
  .faq-list{display:flex;flex-direction:column;gap:12px}
  /* FAQ hero + questions fill the full content column (no narrow caps) */
  .faq-hero .hero-copy{max-width:none}
  .faq-hero .hero p{max-width:64ch}
  .faq-item{border:1px solid var(--line);border-radius:12px;background:var(--paper-2);overflow:hidden}
  .faq-q{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
    gap:20px;padding:19px clamp(18px,2.4vw,26px);font-family:"Playfair Display",serif;font-weight:500;
    font-size:clamp(17px,1.7vw,20px);line-height:1.4;color:var(--ink);transition:color .2s}
  .faq-q::-webkit-details-marker{display:none}
  .faq-q::marker{content:""}
  .faq-item:hover .faq-q,.faq-item[open] .faq-q{color:var(--jade)}
  .faq-ico{position:relative;flex:0 0 24px;width:24px;height:24px;border:1px solid var(--line);
    border-radius:50%;transition:border-color .2s}
  .faq-item:hover .faq-ico,.faq-item[open] .faq-ico{border-color:var(--jade)}
  .faq-ico::before,.faq-ico::after{content:"";position:absolute;left:50%;top:50%;
    background:currentColor;transform:translate(-50%,-50%)}
  .faq-ico::before{width:11px;height:1.6px}
  .faq-ico::after{width:1.6px;height:11px;transition:transform .25s var(--ease)}
  .faq-item[open] .faq-ico::after{transform:translate(-50%,-50%) scaleY(0)}
  .faq-a{padding:0 clamp(18px,2.4vw,26px) 22px}
  .faq-a p{font-size:15px;line-height:1.85;color:var(--mist);font-weight:300;max-width:none}
  .faq-a strong{color:var(--ink);font-weight:600}
  .faq-a a{color:var(--jade);text-decoration:underline;text-underline-offset:3px;transition:color .2s}
  .faq-a a:hover{color:var(--cyan)}
  .fido-cert{display:block;width:auto;height:auto;max-width:200px;margin:20px 0 4px;filter:var(--fido-filter)}
  .faq-photo{display:block;width:100%;max-width:760px;height:auto;margin:22px 0 4px;
    border:1px solid var(--line);border-radius:12px}
  .faq-item[open] .faq-a{animation:faqIn .3s var(--ease)}
  @keyframes faqIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
  .press-list{display:grid;max-width:880px}
  .press-item{display:grid;grid-template-columns:130px 1fr;gap:clamp(16px,3vw,44px);
    padding:26px 0;border-top:1px solid var(--line);color:inherit;transition:opacity .2s}
  .press-list li:first-child .press-item{border-top:none;padding-top:0}
  a.press-item:hover .press-meta h3{color:var(--cyan)}
  .press-meta h3{transition:color .2s}
  .press-date{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--mist);padding-top:6px}
  .press-item h3{font-family:"Playfair Display",serif;font-weight:500;font-size:clamp(18px,2.1vw,24px);
    line-height:1.3;margin:0 0 8px}
  .press-item p{font-size:15px;line-height:1.7;color:var(--mist);font-weight:300;margin:0}
  @media(max-width:640px){ .press-item{grid-template-columns:1fr;gap:6px} }
  .newscard{display:block;border:1px solid var(--line);border-radius:12px;
    padding:clamp(20px,2.2vw,28px);background:var(--paper-2);
    transition:border-color .25s var(--ease),transform .25s var(--ease)}
  a.newscard:hover{border-color:var(--cyan);transform:translateY(-3px)}
  .newscard .nc-top{display:flex;align-items:center;gap:10px;margin-bottom:14px}
  .nc-src{font-size:12.5px;color:var(--mist);letter-spacing:.02em}
  .nc-src b{color:var(--ink);font-weight:500}
  .nc-src .tick{color:var(--cyan);font-size:11px}
  .nc-title{font-family:"Playfair Display",serif;font-weight:500;font-size:18px;line-height:1.35;color:var(--ink);margin-bottom:10px}
  a.newscard:hover .nc-title{color:var(--cyan)}
  .nc-excerpt{font-size:14px;line-height:1.65;color:var(--mist);font-weight:300}
  .nc-text{font-size:15px;line-height:1.6;color:var(--ink);font-weight:300}
  .nc-metrics{display:flex;gap:18px;margin-top:14px;font-size:12.5px;color:var(--mist);letter-spacing:.03em}
  @media(max-width:760px){ .newsgrid{grid-template-columns:1fr} }

  /* ───────────────────────── CONTACT: map + location cards ───────────────────────── */
  .map-head{display:flex;align-items:center;gap:12px;margin-bottom:22px}
  .map-panel{position:relative;border:1px solid var(--line);border-radius:12px;overflow:hidden;
    isolation:isolate;background:var(--hero-art-bg);aspect-ratio:3/2}
  .map-img{display:block;width:100%;height:100%;object-fit:cover;
    mix-blend-mode:var(--hero-art-blend);filter:var(--hero-art-filter)}
  /* brand jade→cyan duotone over the world map (arc + markers sit above it) */
  .map-panel::before{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
    background:var(--hero-tint-bg);mix-blend-mode:var(--hero-tint-blend);opacity:var(--hero-tint-opacity)}
  .map-arc{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:2}
  .map-arc path{stroke:var(--cyan);stroke-width:1.6;stroke-dasharray:5 7;stroke-linecap:round;
    opacity:.7;vector-effect:non-scaling-stroke}
  .map-marker{position:absolute;transform:translate(-50%,-50%);z-index:3}
  .mdot{display:block;width:12px;height:12px;border-radius:50%;background:var(--cyan);
    box-shadow:0 0 0 4px rgba(41,171,226,.18);position:relative}
  .mdot::after{content:"";position:absolute;inset:-7px;border-radius:50%;border:1px solid var(--cyan);
    animation:pulse 2.4s ease-out infinite}
  .mlabel{position:absolute;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink);
    background:var(--topbar);backdrop-filter:blur(6px);padding:4px 9px;border-radius:5px;
    border:1px solid var(--line);white-space:nowrap}
  .m-below .mlabel{left:50%;top:16px;transform:translateX(-50%)}
  .m-right .mlabel{left:16px;top:50%;transform:translateY(-50%)}
  .m-left .mlabel{right:16px;top:50%;transform:translateY(-50%)}

  .loc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:clamp(20px,3vw,40px)}
  .loc-card{border:1px solid var(--line);border-radius:12px;padding:clamp(24px,3vw,38px);background:var(--paper-2)}
  .loc-card h3{font-family:"Playfair Display",serif;font-weight:500;font-size:clamp(20px,2.2vw,26px);
    margin:14px 0 18px;color:var(--ink)}
  .loc-addr{font-style:normal;display:block;font-size:14.5px;line-height:1.7;color:var(--mist);font-weight:300}
  .loc-addr span{display:block}
  .loc-rows{margin-top:22px;display:grid;gap:12px}
  .loc-row{display:flex;justify-content:space-between;gap:16px;align-items:baseline;
    border-top:1px solid var(--line);padding-top:12px}
  /* sub-row: a follow-on detail (e.g. text/phone) grouped tight under the row above */
  .loc-row.sub{border-top:0;padding-top:0;margin-top:-4px}
  .loc-rows:has(.loc-row.sub){gap:14px}
  .loc-row .rl{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--mist)}
  .loc-row a{color:var(--jade);font-size:14.5px;transition:color .2s}
  .loc-row a:hover{color:var(--cyan)}
  .loc-sites{display:grid;gap:24px}
  .loc-site h4{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink);margin-bottom:8px}
  .loc-site a{display:inline-block;margin-top:8px;color:var(--jade);font-size:14.5px;transition:color .2s}
  .loc-site a:hover{color:var(--cyan)}

  /* ── Partnerships ── */
  .partner-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:clamp(20px,2.5vw,32px)}
  .partner-card{display:flex;flex-direction:column;min-width:0;background:var(--paper-2);border:1px solid var(--line);
    border-radius:14px;padding:clamp(26px,3vw,40px);transition:border-color .2s,transform .2s,background .2s}
  .partner-card:hover{border-color:var(--cyan);transform:translateY(-3px)}
  .partner-logo{min-height:84px;display:flex;align-items:center;margin-bottom:22px}
  /* logo tile: each partner logo sits on a brand-appropriate plate */
  .partner-logo.fit-contain,.partner-logo.fit-cover{height:104px;min-height:0;justify-content:center;
    border-radius:11px;overflow:hidden}
  .partner-logo.fit-contain{padding:20px 22px}
  .partner-logo.fit-contain img{max-height:100%;max-width:100%;width:auto;height:auto;display:block}
  .partner-logo.fit-cover img{width:100%;height:100%;object-fit:cover;object-position:center;display:block}
  .partner-wordmark{font-family:"Montserrat",sans-serif;font-weight:700;font-size:clamp(24px,2.6vw,32px);
    letter-spacing:-.01em;line-height:1.1}
  .partner-desc{font-size:15px;line-height:1.75;color:var(--mist);font-weight:300;margin:0 0 22px;flex:1;overflow-wrap:break-word}
  .partner-link{display:inline-flex;align-items:center;gap:7px;font-size:13px;letter-spacing:.04em;
    color:var(--jade);font-weight:500;transition:color .2s}
  .partner-card:hover .partner-link{color:var(--cyan)}
  /* Product demo video — left-aligned heading (like other sections), centered video + caption.
     Heading and caption span the full content column (no narrow caps). */
  .demo-section .sec-head{max-width:none}
  .demo-wrap{max-width:920px;margin:0 auto;border-radius:14px;overflow:hidden;border:1px solid var(--line);background:#000}
  .demo-video{display:block;width:100%;height:auto;aspect-ratio:16/9;background:#000}
  .demo-desc{font-size:15.5px;line-height:1.8;color:var(--mist);font-weight:300;max-width:none;margin:24px auto 0;text-align:center}
  .demo-note{font-size:13.5px;line-height:1.7;color:var(--mist);font-weight:300;max-width:none;text-align:center;
    margin:18px auto 0;padding:14px 18px;border:1px solid var(--line);border-radius:10px;background:var(--paper-2)}
  .demo-more{text-align:center;margin:22px 0 0}
  .demo-more a{display:inline-flex;align-items:center;gap:12px;font-size:14px;font-weight:400;color:var(--jade);text-decoration:none;border-bottom:1px solid currentColor;padding-bottom:7px;transition:color .2s,border-color .2s}
  .demo-more a:hover{color:var(--cyan)}

  /* AerWheel demo library */
  .demolib .sec-head{max-width:none;margin-bottom:18px}
  .demolib .eyebrow{display:block;font-size:15px;letter-spacing:.26em;margin-bottom:22px}
  .demolib .sec-head h2{font-size:clamp(30px,3.7vw,52px);line-height:1.12;letter-spacing:.01em}
  .demolib-back{display:inline-flex;align-items:center;justify-content:center;font-size:24px;line-height:1;color:var(--mist);text-decoration:none;margin-bottom:30px;transition:color .2s}
  .demolib-back:hover{color:var(--jade)}
  .demolib-intro{font-size:clamp(15px,1.4vw,18px);line-height:1.85;color:var(--mist);font-weight:300;max-width:54ch;margin:0 0 52px}
  .demolib-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .demolib-card{display:flex;flex-direction:column;min-width:0;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--paper-2)}
  .demolib-vid{border-bottom:1px solid var(--line);background:#000}
  .demolib-card .demo-video{aspect-ratio:16/9}
  .demolib-body{padding:20px 22px 24px}
  .demolib-title{font-family:"Playfair Display",serif;font-weight:500;font-size:clamp(19px,2.2vw,23px);line-height:1.2;color:var(--ink);margin:0}
  .demolib-badge{display:inline-block;margin:12px 0 0;font-family:"Montserrat",sans-serif;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;font-weight:600;color:var(--cyan);border:1px solid var(--line);border-radius:999px;padding:4px 11px}
  .demolib-desc{font-size:14px;line-height:1.7;color:var(--mist);font-weight:300;margin:14px 0 0}
  @media (max-width:760px){
    .demolib-grid{grid-template-columns:1fr;gap:22px}
    .demolib-intro{margin-bottom:40px}
  }

  /* NIST compliance tooltip — hover/focus reveals the standards list (text in --nist-tip) */
  .nist{position:relative;border-bottom:1px dotted currentColor;cursor:help;color:inherit;font:inherit;
    outline:none;white-space:nowrap}
  .nist::after{content:var(--nist-tip);position:absolute;left:50%;top:calc(100% + 11px);transform:translateX(-50%);
    width:max-content;max-width:min(300px,76vw);background:var(--paper-2);color:var(--ink);border:1px solid var(--line);
    border-radius:10px;padding:11px 14px;font-family:"Montserrat",sans-serif;font-size:13px;line-height:1.55;
    font-weight:400;letter-spacing:.01em;text-align:left;white-space:normal;
    box-shadow:0 12px 34px rgba(0,0,0,.34);opacity:0;display:none;transition:opacity .18s var(--ease),display .18s allow-discrete;
    z-index:80;pointer-events:none}
  .nist::before{content:"";position:absolute;left:50%;top:calc(100% + 5px);transform:translateX(-50%);
    border:6px solid transparent;border-bottom-color:var(--line);
    opacity:0;display:none;transition:opacity .18s var(--ease),display .18s allow-discrete;z-index:80;pointer-events:none}
  .nist:hover::after,.nist:focus::after,.nist:hover::before,.nist:focus::before{opacity:1;display:block}
  @starting-style{.nist:hover::after,.nist:focus::after,.nist:hover::before,.nist:focus::before{opacity:0}}
  @media(prefers-reduced-motion:reduce){.nist::after,.nist::before{transition:none}}

  /* Jump-to-top — desktop only; appears near the end of the page, bottom-right of the center column */
  .to-top{position:fixed;bottom:26px;right:calc(var(--signals) + 26px);z-index:40;
    width:46px;height:46px;border-radius:50%;display:grid;place-items:center;cursor:pointer;
    background:var(--cyan);color:#10202A;border:1px solid var(--cyan);box-shadow:0 8px 24px rgba(0,0,0,.28);
    opacity:0;visibility:hidden;transform:translateY(10px);
    transition:opacity .25s var(--ease),transform .25s var(--ease),background .2s var(--ease),border-color .2s var(--ease)}
  .to-top.show{opacity:1;visibility:visible;transform:none}
  .to-top:hover{background:var(--brass-strong);border-color:var(--brass-strong)}
  .to-top svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
  body.signals-collapsed .to-top,body.no-signals .to-top{right:26px}
  @media(max-width:980px){.to-top{display:none!important}}
  @media(prefers-reduced-motion:reduce){.to-top{transition:opacity .2s}}

  /* Careers — what we offer */
  /* Careers blurb spans the full content column (not the 64ch prose cap) */
  #careers .prose p{max-width:none}
  .careers-benefits{margin-top:clamp(34px,4vw,52px)}
  .benefits-h{font-family:"Playfair Display",serif;font-weight:500;font-size:clamp(20px,2.2vw,26px);
    margin-bottom:24px;letter-spacing:.01em}

  /* Become-a-partner band */
  .become{background:var(--paper-2);border:1px solid var(--line);border-radius:16px;
    padding:clamp(34px,5vw,68px);text-align:center}
  .become .eyebrow{display:block;margin-bottom:14px}
  .become h2{font-family:"Playfair Display",serif;font-weight:500;font-size:clamp(26px,3.2vw,40px);
    letter-spacing:.01em;margin:0 0 16px}
  .become p{font-size:16px;line-height:1.8;color:var(--mist);font-weight:300;max-width:56ch;margin:0 auto 30px}

  /* ── Contact modal (homepage + product CTAs) ── */
  /* Overlay scrolls; the box centers via margin:auto when it fits and stays fully scrollable
     (no top/bottom clipping) when taller than the viewport — e.g. the demo modal with its
     install steps expanded on a small phone. Backdrop is fixed so it always covers the screen. */
  .cmodal{position:fixed;inset:0;z-index:80;display:none;padding:24px;overflow-y:auto;overscroll-behavior:contain}
  .cmodal.open{display:flex}
  .cmodal-backdrop{position:fixed;inset:0;background:rgba(8,11,13,.62);backdrop-filter:blur(3px)}
  .cmodal-box{position:relative;z-index:1;margin:auto;width:min(540px,100%);background:var(--paper);color:var(--ink);
    border:1px solid var(--line);border-radius:16px;padding:clamp(28px,4vw,44px);
    box-shadow:0 30px 80px rgba(0,0,0,.4);animation:cmodal-in .28s var(--ease)}
  @keyframes cmodal-in{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
  .cmodal-close{position:absolute;top:16px;right:16px;width:34px;height:34px;border:none;background:transparent;
    cursor:pointer;color:var(--mist);display:grid;place-items:center;border-radius:8px;transition:color .2s,background .2s}
  .cmodal-close:hover{color:var(--ink);background:var(--paper-2)}
  .cmodal-title{font-family:"Playfair Display",serif;font-weight:500;font-size:clamp(21px,2.5vw,29px);
    line-height:1.25;letter-spacing:.01em;margin:0 32px 26px 0;max-width:26ch}
  .cmodal-people{display:flex;flex-direction:column;gap:22px}
  .cperson{display:flex;flex-direction:column;gap:5px}
  .cp-name{font-weight:600;font-size:16px;color:var(--ink)}
  .cp-role{font-weight:400;color:var(--mist)}
  .cp-line{font-size:15px;color:var(--jade);width:fit-content;transition:color .2s}
  .cp-line:hover{color:var(--cyan)}
  @media(prefers-reduced-motion:reduce){.cmodal-box{animation:none}}

  /* responsive */
  @media(max-width:1240px){
    .signals{position:fixed;top:0;right:0;z-index:31;box-shadow:-20px 0 60px rgba(0,0,0,.16)}
    body:not(.signals-collapsed) .feed{max-width:none}
    /* Right-rail collapse is mobile/tablet-only (removed on desktop). */
    body.signals-collapsed .signals{width:0;flex-basis:0;opacity:0;border-left-color:transparent;overflow:hidden}
    .sig-collapse{display:grid}
    .sig-reopen{display:block}
  }
  @media(max-width:1080px){
    .feature{grid-template-columns:1fr;gap:38px}
    /* Footer: brand on its own full-width row, link columns in a tidy 3-up below */
    .foot-grid{grid-template-columns:repeat(3,1fr)}
    .foot-brand{grid-column:1/-1;margin-bottom:8px}
    /* Offices map: below ~1080px the left rail narrows the map enough that the centered
       left-edge "Mountain View" label (m-below) overflows — anchor it right of its dot. */
    .m-below .mlabel{left:16px;right:auto;top:50%;transform:translateY(-50%)}
  }
  @media(max-width:760px){
    /* Left rail → off-canvas drawer (opened by the top-bar hamburger) */
    .rail{position:fixed;left:0;top:0;height:100dvh;width:min(84vw,300px);flex-basis:auto;
      transform:translateX(-100%);transition:transform .4s var(--ease);z-index:60;padding-top:18px}
    /* Drawer content scrolls; pad the bottom so the last items (FAQ/News) clear the
       mobile/iOS URL bar and the home-indicator safe area. */
    .rail-inner{position:static;height:100%;overflow-y:auto;-webkit-overflow-scrolling:touch;
      padding-bottom:calc(env(safe-area-inset-bottom, 0px) + 92px)}
    body.nav-open .rail{transform:none;box-shadow:12px 0 50px rgba(0,0,0,.45)}
    body.collapsed .rail{width:min(84vw,300px)}      /* desktop collapse N/A on mobile */
    .rail .toggle{display:none}
    .wordmark,.nav-item .lbl,.nav-group-label,.seal-cap{opacity:1!important} /* always expanded in drawer */
    .stream{margin-left:0}
    .nav-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:55;
      opacity:0;visibility:hidden;transition:opacity .3s var(--ease)}
    body.nav-open .nav-backdrop{opacity:1;visibility:visible}
    .navbar-burger{display:grid}
    .topbar{gap:12px;padding:0 18px}
    .search{display:none}
    .theme-toggle{margin-left:auto}
    .feed{padding:0 20px}
    /* Full-bleed sections (.mission, .foot) break out of the feed padding to go edge-to-edge;
       match the 20px mobile feed padding (base uses a 28px clamp floor, overshooting by 8px). */
    .mission,.foot{margin-inline:-20px}
    .pillars{grid-template-columns:1fr}
    .pillar{border-left:none;padding:0 0 28px}
    .pillar:not(:last-child){border-bottom:1px solid var(--line);margin-bottom:28px}
    .foot-grid{grid-template-columns:1fr 1fr;gap:34px}
    .loc-grid{grid-template-columns:1fr}
    .map-panel{aspect-ratio:4/3}
    .signals{width:min(90vw,360px)}
    .cta{flex-direction:column;align-items:flex-start;gap:18px}
    .cta p{flex:0 0 auto}
    .hero .eyebrow{font-size:13px}
  }
  /* Small phones (<=360px): CTA labels like "Test drive the demo for Android" are long and
     nowrap — shrink the button text/padding/icon a notch (consistently across all product
     CTAs) so they fit instead of overflowing or clipping. */
  @media(max-width:360px){
    .cta .btn{font-size:11.5px;letter-spacing:.03em;gap:8px}
    .cta .btn.solid{padding:11px 15px}
    .cta .btn svg{width:14px;height:14px}
  }
  /* Landscape phones (short viewports, but wider than the 760px breakpoint):
     collapse the left rail into the hamburger drawer so it doesn't eat the screen.
     max-width guard keeps tablets/laptops (taller in landscape) on the full rail. */
  @media (max-height:500px) and (max-width:1024px){
    .rail{position:fixed;left:0;top:0;height:100dvh;width:min(80vw,300px);flex-basis:auto;
      transform:translateX(-100%);transition:transform .4s var(--ease);z-index:60}
    .rail-inner{height:100%;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:18px 0 calc(env(safe-area-inset-bottom, 0px) + 84px)}
    body.nav-open .rail{transform:none;box-shadow:12px 0 50px rgba(0,0,0,.45)}
    body.collapsed .rail{width:min(80vw,300px)}
    .rail .toggle{display:none}
    .wordmark,.nav-item .lbl,.nav-group-label,.seal-cap{opacity:1!important}
    .stream{margin-left:0}
    .nav-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:55;
      opacity:0;visibility:hidden;transition:opacity .3s var(--ease)}
    body.nav-open .nav-backdrop{opacity:1;visibility:visible}
    .navbar-burger{display:grid}
  }
  @media(prefers-reduced-motion:reduce){
    *{animation:none!important;transition-duration:.001ms!important}
    .reveal{opacity:1;transform:none}
  }
  :focus-visible{outline:2px solid var(--jade);outline-offset:3px;border-radius:3px}