/* =========================================================================
   Energy Context Ltd — landing page
   Editorial light theme (design by Fable), IBM Plex typography.
   Merged with content from the v001 build. Fonts are self-hosted (below) —
   no third-party font requests (Google Fonts removed for privacy/GDPR).
   ========================================================================= */

/* Self-hosted IBM Plex (woff2 from Fontsource) */
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:400;font-display:swap;src:url(assets/fonts/ibm-plex-sans-400.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:500;font-display:swap;src:url(assets/fonts/ibm-plex-sans-500.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:600;font-display:swap;src:url(assets/fonts/ibm-plex-sans-600.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:400;font-display:swap;src:url(assets/fonts/ibm-plex-mono-400.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:500;font-display:swap;src:url(assets/fonts/ibm-plex-mono-500.woff2) format("woff2")}

:root{
  --paper:#F7F7F9;
  --surface:#FFFFFF;
  --ink:#111118;          /* GenCharts background colour, reused as the ink */
  --ink-2:#4A4A57;
  --ink-3:#8B8B98;
  --line:#DEDEE5;
  --line-strong:#B9B9C4;
  --gc-bg:#111118;
  --gc-line:#2A2A34;
  --gc-text:#E6E6EC;
  --gc-muted:#8A8A98;
  --radius:6px;
  --max:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:"IBM Plex Sans",system-ui,sans-serif;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;line-height:1.5;display:flex;flex-direction:column;min-height:100vh}
main{flex:1 0 auto}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.mono{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.02em;color:var(--ink-3);text-transform:uppercase}
.wrap{max-width:var(--max);margin:0 auto;padding:0 32px}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:.6rem 1rem;z-index:100}
.skip-link:focus{left:0}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px}

/* nav */
header{border-bottom:.5px solid var(--line);background:var(--paper);position:sticky;top:0;z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:baseline;gap:10px;font-weight:500;font-size:16px;letter-spacing:-.01em}
.brand .ltd{font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.06em}
.navlinks{display:flex;align-items:center;gap:28px;font-size:14px;color:var(--ink-2)}
.navlinks a:hover{color:var(--ink)}
.navlinks a.ext{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border:.5px solid var(--line-strong);border-radius:var(--radius);color:var(--ink)}
.navlinks a.ext:hover{background:var(--surface)}
.navlinks a.ext svg{width:12px;height:12px}

/* hero */
.hero{padding-top:96px;padding-bottom:88px}
.hero .eyebrow{margin-bottom:28px}
.hero h1{font-size:64px;line-height:1.05;letter-spacing:-.03em;font-weight:500;max-width:19ch}
.hero h1 em{font-style:normal;color:var(--ink-3)}
.hero p.lede{margin-top:28px;font-size:20px;line-height:1.5;color:var(--ink-2);max-width:62ch;letter-spacing:-.005em}
.cta{display:flex;align-items:center;gap:14px;margin-top:40px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 18px;border-radius:var(--radius);font-size:15px;font-weight:500;border:.5px solid transparent;transition:background-color .15s ease,color .15s ease,border-color .15s ease}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:#000}
.btn-secondary{background:transparent;color:var(--ink);border-color:var(--line-strong)}
.btn-secondary:hover{background:var(--surface)}
.btn svg{width:14px;height:14px}
.cta .mail{font-family:"IBM Plex Mono",monospace;font-size:13px;color:var(--ink-3);margin-left:6px}

/* section scaffolding */
section{border-top:.5px solid var(--line)}
.sec{padding-top:80px;padding-bottom:80px}
.sec-head{display:grid;grid-template-columns:200px 1fr;gap:40px;margin-bottom:44px;align-items:baseline}
.sec-head h2{font-size:30px;line-height:1.2;letter-spacing:-.02em;font-weight:500;max-width:26ch}
.sec-head.stacked{grid-template-columns:1fr;gap:10px}

/* GenCharts feature */
.gc{display:grid;grid-template-columns:1fr 1.4fr;gap:44px;align-items:start}
.gc .copy p{color:var(--ink-2);font-size:16px;line-height:1.6;max-width:44ch}
.gc .copy p + p{margin-top:14px}
.gc .copy .btn{margin-top:28px}
.facts{display:grid;grid-template-columns:repeat(3,auto);gap:0 28px;margin-top:32px;padding-top:20px;border-top:.5px solid var(--line);width:max-content}
.facts div{display:flex;flex-direction:column;gap:4px}
.facts b{font-weight:500;font-size:22px;letter-spacing:-.02em;line-height:1}
.facts span{font-size:12px;color:var(--ink-3)}

/* dark product frame — the one dark block on a light page, holding the
   GenCharts screenshot; the whole frame links to GenCharts */
.frame{background:var(--gc-bg);border-radius:10px;padding:10px;box-shadow:0 30px 60px -30px rgba(17,17,24,.45), 0 0 0 .5px var(--line-strong);color:var(--gc-text);position:relative}
.frame .shot{width:100%;border-radius:6px;display:block}
a.frame{display:block;color:inherit;transition:transform .18s ease, box-shadow .18s ease}
a.frame:hover{transform:translateY(-3px);box-shadow:0 40px 72px -28px rgba(17,17,24,.55), 0 0 0 .5px var(--line-strong)}

/* services */
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.svc{padding-top:24px;border-top:.5px solid var(--line-strong)}
.svc .ic{width:26px;height:26px;color:var(--ink);margin-bottom:20px}
.svc h3{font-size:19px;font-weight:500;letter-spacing:-.015em;line-height:1.3;margin-bottom:12px}
.svc p{color:var(--ink-2);font-size:15px;line-height:1.6}
.svc ul{margin-top:16px;list-style:none;display:flex;flex-direction:column;gap:6px}
.svc li{font-size:14px;color:var(--ink-2);padding-left:14px;position:relative}
.svc li:before{content:"";position:absolute;left:0;top:10px;width:6px;height:.5px;background:var(--ink-3)}
.engage{margin-top:48px;padding:20px 24px;background:var(--surface);border:.5px solid var(--line);border-radius:var(--radius);display:flex;gap:16px;align-items:center;font-size:14px;color:var(--ink-2)}
.engage b{font-weight:500;color:var(--ink)}
.engage svg{width:18px;height:18px;flex:none;color:var(--ink-3)}

/* about */
.about{display:grid;grid-template-columns:200px 1fr;gap:40px;align-items:start}
.photo{width:200px;height:240px;border-radius:var(--radius);background:linear-gradient(160deg,#E9E9EF,#D7D7DF);border:.5px solid var(--line-strong);display:flex;align-items:flex-end;justify-content:flex-start;padding:12px;position:relative;overflow:hidden}
.photo .ph{font-family:"IBM Plex Mono",monospace;font-size:10px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.06em}
.photo:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 38%,rgba(17,17,24,.10) 0 46px,transparent 47px),radial-gradient(ellipse at 50% 120%,rgba(17,17,24,.14) 0 110px,transparent 111px)}
.photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center top}
.photo:has(img):before{display:none}
.bio h3{font-size:26px;font-weight:500;letter-spacing:-.02em}
.role{font-size:14px;color:var(--ink-3);margin:0}
.bio p{font-size:17px;line-height:1.6;color:var(--ink-2);max-width:58ch}
.bio p + p{margin-top:14px}
.bio .links{margin-top:24px;display:flex;gap:22px;font-size:14px;flex-wrap:wrap}
.bio .links a{border-bottom:.5px solid var(--line-strong);padding-bottom:2px;display:inline-flex;gap:6px;align-items:center}
.bio .links a:hover{border-bottom-color:var(--ink)}
.bio .links svg{width:12px;height:12px;color:var(--ink-3)}

/* contact */
.contact{padding-top:88px;padding-bottom:96px}
.contact .mailbig{font-size:44px;letter-spacing:-.03em;font-weight:500;line-height:1.1;display:inline-block;border-bottom:1.5px solid var(--ink);padding-bottom:6px}
.contact p{margin-top:22px;color:var(--ink-2);font-size:17px;max-width:54ch;line-height:1.6}

/* legal / prose pages (privacy) */
.legal{max-width:70ch;padding-top:8px}
.legal p{font-size:16px;line-height:1.7;color:var(--ink-2);margin-bottom:1rem}
.legal h3{font-size:18px;font-weight:600;letter-spacing:-.01em;margin:28px 0 8px;color:var(--ink)}
.legal a{border-bottom:.5px solid var(--line-strong)}
.legal a:hover{border-bottom-color:var(--ink)}
.legal .updated{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.04em}

footer{border-top:.5px solid var(--line);padding:24px 0 40px}
.foot{display:flex;justify-content:space-between;gap:24px;font-size:12px;color:var(--ink-3);flex-wrap:wrap}
.foot .r{display:flex;gap:20px;flex-wrap:wrap}
.foot a:hover{color:var(--ink-2)}

/* mobile */
@media (max-width:720px){
  .wrap{padding:0 20px}
  .navlinks{gap:14px;font-size:13px}
  .navlinks a.hide{display:none}
  .hero{padding-top:56px;padding-bottom:56px}
  .hero h1{font-size:38px;max-width:none}
  .hero p.lede{font-size:17px;margin-top:20px}
  .cta{margin-top:28px;gap:10px}
  .cta .mail{width:100%;margin:6px 0 0}
  .sec{padding-top:56px;padding-bottom:56px}
  .sec-head{grid-template-columns:1fr;gap:10px;margin-bottom:28px}
  .sec-head h2{font-size:24px}
  .gc{grid-template-columns:1fr;gap:28px}
  .gc .frame{order:-1}
  .facts{width:auto}
  .services{grid-template-columns:1fr;gap:32px}
  .engage{align-items:flex-start}
  .about{grid-template-columns:1fr;gap:24px}
  .photo{width:132px;height:150px}
  .bio h3{font-size:22px}
  .bio p{font-size:16px}
  .contact{padding-top:56px;padding-bottom:64px}
  .contact .mailbig{font-size:24px;word-break:break-all}
  .foot{flex-direction:column;gap:10px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .btn{transition:none}
  a.frame{transition:none}
  a.frame:hover{transform:none}
}