/* Shared styles for NorthArc content/service pages. Mirrors the audit.html
   token system so service pages match the brand without loading the homepage's
   experience CSS. */
:root{
  --ground:#04090e; --panel:#0a141c; --ink:#e8f4f8; --ink-2:#8b98a1;
  --cyan:#35e0ff; --line:color-mix(in srgb,var(--cyan) 18%,transparent); --line-2:color-mix(in srgb,var(--cyan) 34%,transparent);
  --disp:'Space Grotesk',system-ui,sans-serif; --mono:'IBM Plex Mono',monospace;
}
*{box-sizing:border-box}
body{margin:0;background:
  radial-gradient(120% 40% at 50% 0%,color-mix(in srgb,var(--cyan) 8%,transparent),transparent 55%),var(--ground);
  color:var(--ink);font-family:var(--disp);line-height:1.55;-webkit-font-smoothing:antialiased;}

/* per-page pillar accent: set --ec on <body> to reskin every cyan accent */
body[style*="--ec"]{
  --cyan:var(--ec);
  --line:color-mix(in srgb,var(--ec) 18%,transparent);
  --line-2:color-mix(in srgb,var(--ec) 34%,transparent);
}

.pnav{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:14px clamp(16px,5vw,40px);background:rgba(4,9,14,0.82);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--line);}
.pnav-brand{color:var(--ink);text-decoration:none;font-size:14px;letter-spacing:0.14em;}
.pnav-brand b{color:var(--cyan);}
.pnav-links{display:flex;gap:20px;}
.pnav-links a{color:rgba(232,244,248,0.85);text-decoration:none;font-size:13px;letter-spacing:0.03em;}
.pnav-links a:hover,.pnav-links a[aria-current="page"]{color:var(--cyan);}
.pnav-cta{color:#02141f;background:var(--cyan);text-decoration:none;font-family:var(--mono);
  font-size:11px;letter-spacing:0.1em;text-transform:uppercase;padding:9px 16px;border-radius:999px;white-space:nowrap;}
@media (max-width:640px){ .pnav-links{display:none;} }

.wrap{max-width:860px;margin:0 auto;padding:clamp(32px,6vw,72px) clamp(20px,5vw,48px);}
.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:0.3em;color:var(--cyan);
  text-transform:uppercase;display:flex;align-items:center;gap:10px;margin:0 0 18px;}
.dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px color-mix(in srgb,var(--cyan) 90%,transparent);}
h1{font-weight:300;font-size:clamp(32px,6vw,60px);line-height:1.03;letter-spacing:-0.01em;margin:0 0 22px;}
h1 em{font-style:normal;color:var(--cyan);}
.lede{font-size:clamp(17px,2vw,21px);color:var(--ink-2);max-width:62ch;margin:0 0 14px;}
.lede b{color:var(--ink);font-weight:500;}
.how{font-family:var(--mono);font-size:12px;letter-spacing:0.04em;color:var(--ink-2);
  border-top:1px dashed var(--line);border-bottom:1px dashed var(--line);padding:16px 0;margin:32px 0 8px;}
.how b{color:var(--cyan);}
.engine{border:1px solid var(--line);background:var(--panel);border-radius:14px;
  padding:clamp(22px,3vw,32px);margin:22px 0;}
.engine .en-tag{font-family:var(--mono);font-size:10px;letter-spacing:0.24em;color:var(--cyan);}
.engine h2{font-weight:500;font-size:clamp(22px,3vw,30px);margin:8px 0 8px;}
.engine .en-q{color:var(--ink-2);font-size:15.5px;margin:0;}
.engine .en-q b{color:var(--ink);font-weight:500;}
.cta{margin:40px 0 8px;border:1px solid var(--line-2);border-radius:16px;
  background:radial-gradient(80% 120% at 100% 0%,color-mix(in srgb,var(--cyan) 12%,transparent),transparent 60%),var(--panel);
  padding:clamp(24px,4vw,40px);}
.cta h2{font-weight:300;font-size:clamp(24px,3.4vw,34px);margin:0 0 10px;}
.cta h2 em{font-style:normal;color:var(--cyan);}
.cta p{color:var(--ink-2);margin:0 0 22px;}
.btn{display:inline-block;font-family:var(--mono);font-size:12px;letter-spacing:0.14em;
  text-transform:uppercase;font-weight:600;color:#02141f;background:var(--cyan);
  text-decoration:none;padding:14px 28px;border-radius:999px;transition:.2s;}
.btn:hover{background:#8bedff;box-shadow:0 0 26px color-mix(in srgb,var(--cyan) 50%,transparent);}
.xlinks{margin:34px 0 0;font-size:14px;color:var(--ink-2);}
.xlinks a{color:var(--cyan);text-decoration:none;}
.xlinks a:hover{text-decoration:underline;}

.pfoot{max-width:860px;margin:0 auto;padding:28px clamp(20px,5vw,48px) 56px;
  border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:12px 28px;
  align-items:center;justify-content:space-between;}
.pf-brand{font-size:13px;letter-spacing:0.14em;color:var(--ink);}
.pf-brand em{font-style:normal;color:var(--cyan);}
.pf-meta{display:flex;flex-wrap:wrap;gap:6px 18px;font-family:var(--mono);font-size:11px;
  letter-spacing:0.04em;color:var(--ink-2);}
.pf-meta a{color:var(--ink-2);text-decoration:none;}
.pf-meta a:hover{color:var(--cyan);}

/* ============ expanded content components (v2) ============ */

/* section heading */
.shead{margin:54px 0 20px;}
.shead .s-eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:0.28em;
  color:var(--cyan);text-transform:uppercase;margin:0 0 9px;}
.shead h2{font-weight:300;font-size:clamp(23px,3.4vw,33px);margin:0;letter-spacing:-0.01em;line-height:1.1;}
.shead p{color:var(--ink-2);font-size:15.5px;margin:11px 0 0;max-width:64ch;}

/* capability cards */
.caps{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:6px 0;}
.caps.cols3{grid-template-columns:repeat(3,1fr);}
.cap{border:1px solid var(--line);background:var(--panel);border-radius:14px;padding:22px 22px 24px;}
.cap .c-ix{font-family:var(--mono);font-size:10px;letter-spacing:0.22em;color:var(--ec,var(--cyan));text-transform:uppercase;}
.caps.eco .cap{border-top:2px solid var(--ec);}
.caps.eco .cap h3 b,.caps.eco .cap h3 em{color:var(--ec);font-style:normal;font-weight:500;}
.cap h3{font-weight:500;font-size:18px;margin:11px 0 9px;line-height:1.25;}
.cap p{color:var(--ink-2);font-size:14.5px;margin:0;}
.cap .cap-sub{list-style:none;margin:12px 0 0;padding:0;}
.cap .cap-sub li{color:var(--ink-2);font-size:13px;padding:5px 0 5px 16px;position:relative;}
.cap .cap-sub li::before{content:"";position:absolute;left:0;top:12px;width:5px;height:5px;border-radius:50%;background:var(--cyan);}
@media(max-width:820px){.caps.cols3{grid-template-columns:repeat(2,1fr);}}
@media(max-width:600px){.caps,.caps.cols3{grid-template-columns:1fr;}}

/* four/three-up hairline mini-columns */
.grid4,.grid3{display:grid;gap:20px;margin:6px 0;}
.grid4{grid-template-columns:repeat(4,1fr);}
.grid3{grid-template-columns:repeat(3,1fr);}
.grid4 .g,.grid3 .g{border-top:1px solid var(--line-2);padding-top:14px;}
.grid4 .g h3,.grid3 .g h3{font-weight:500;font-size:15px;margin:0 0 8px;color:var(--ink);}
.grid4 .g p,.grid3 .g p{color:var(--ink-2);font-size:13.5px;margin:0;}
@media(max-width:820px){.grid4{grid-template-columns:repeat(2,1fr);}.grid3{grid-template-columns:1fr;}}
@media(max-width:460px){.grid4{grid-template-columns:1fr;}}

/* metrics band */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin:10px 0;
  border-top:1px dashed var(--line);border-bottom:1px dashed var(--line);padding:28px 0;}
.metric .m-num{font-weight:300;font-size:clamp(30px,4.6vw,46px);color:var(--cyan);line-height:1;letter-spacing:-0.02em;}
.metric .m-lab{font-family:var(--mono);font-size:11px;letter-spacing:0.14em;text-transform:uppercase;margin:11px 0 6px;color:var(--ink);}
.metric .m-sub{color:var(--ink-2);font-size:13px;margin:0;}
@media(max-width:640px){.metrics{grid-template-columns:repeat(2,1fr);gap:26px 20px;}}

/* two-column bullet lists */
.cols2{display:grid;grid-template-columns:1fr 1fr;gap:26px 44px;margin:6px 0;}
.cols2 h3{font-weight:500;font-size:16px;margin:0 0 12px;}
.cols2 .col-p{color:var(--ink-2);font-size:14.5px;margin:0;}
.blist{list-style:none;margin:0;padding:0;}
.blist li{color:var(--ink-2);font-size:14.5px;padding:9px 0 9px 20px;position:relative;border-top:1px solid color-mix(in srgb,var(--cyan) 9%,transparent);}
.blist li:first-child{border-top:none;}
.blist li::before{content:"";position:absolute;left:2px;top:16px;width:6px;height:6px;border-radius:50%;background:var(--cyan);}
.blist li b{color:var(--ink);font-weight:500;}
@media(max-width:640px){.cols2{grid-template-columns:1fr;}}

/* value driver callout */
.driver{margin:36px 0 8px;border:1px solid var(--line-2);border-radius:16px;
  background:radial-gradient(90% 140% at 0% 0%,color-mix(in srgb,var(--cyan) 10%,transparent),transparent 62%),var(--panel);
  padding:clamp(22px,3vw,32px);}
.driver .d-tag{font-family:var(--mono);font-size:10px;letter-spacing:0.24em;color:var(--cyan);text-transform:uppercase;}
.driver h3{font-weight:500;font-size:19px;margin:9px 0 9px;}
.driver p{color:var(--ink-2);font-size:15px;margin:0;}
.driver p b{color:var(--ink);font-weight:500;}

/* signature data visual (one distinct chart per engine page) */
.viz{margin:14px 0 6px;border:1px solid var(--line);border-radius:16px;color:var(--cyan);
  background:radial-gradient(120% 130% at 0% 0%,color-mix(in srgb,var(--cyan) 7%,transparent),transparent 60%),var(--panel);
  padding:clamp(20px,3.2vw,34px);}
.viz svg{display:block;width:100%;height:auto;max-width:600px;margin:0 auto;overflow:visible;}
.viz text{font-family:var(--mono);letter-spacing:0.02em;}
.viz .vz-mut{fill:var(--ink-2);font-size:11px;}
.viz .vz-key{fill:var(--ink);font-size:12px;}
.viz .vz-hd{fill:var(--cyan);}
.viz .vz-in{fill:#04090e;font-size:12px;font-weight:600;}
.viz .vz-track{fill:none;stroke:var(--line-2);}
.viz figcaption{font-family:var(--mono);font-size:11px;color:var(--ink-2);text-align:center;
  margin-top:18px;letter-spacing:0.05em;text-transform:uppercase;}

/* client logo strip */
.clients{margin:44px 0 8px;}
.clients .s-eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:0.28em;
  color:var(--cyan);text-transform:uppercase;margin:0 0 18px;}
.logo-strip{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);
  gap:32px 24px;margin:0;padding:28px 0;align-items:center;justify-items:center;
  border-top:1px dashed var(--line);border-bottom:1px dashed var(--line);}
.logo-strip li{display:flex;align-items:center;justify-content:center;height:30px;}
.logo-strip img{height:28px;width:auto;max-width:118px;object-fit:contain;object-position:center;
  filter:grayscale(1) brightness(0) invert(1);opacity:0.5;transition:opacity .2s;}
.logo-strip img:hover{opacity:0.95;}
@media(max-width:640px){.logo-strip{grid-template-columns:repeat(3,1fr);gap:26px 16px;}
  .logo-strip img{height:22px;max-width:90px;}}
