/* ============================================================
   JJS MECHANICAL SERVICES LTD
   Brand tokens sampled from the official logo artwork.
   Design is built out in a later step. This file exists so the
   infrastructure can be tested with something real.
   ============================================================ */

:root{
  --black:#000000;
  --ink:#0B0E13;
  --royal:#0246AC;      /* primary blue, from logo */
  --royal-deep:#073A86;
  --azure:#017AC9;      /* brighter blue, for dark backgrounds */
  --grey:#4D5358;       /* wordmark grey */
  --silver:#9CA4A5;
  --text:#23282B;
  --body:#3C4247;
  --muted:#6B7278;
  --paper:#F4F6F8;
  --line:#D3D9DE;
  --white:#FFFFFF;
  --font-display:'Saira',sans-serif;
  --font-body:'Mulish',system-ui,sans-serif;
  --maxw:1180px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  color:var(--body);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:var(--font-display);line-height:1.05;font-weight:700;color:var(--text)}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- Header: black bar + royal keyline (JJS device) ---------- */
header{background:var(--black);border-bottom:4px solid var(--royal)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px;gap:20px;flex-wrap:wrap}
.brand{font-family:var(--font-display);font-weight:700;color:#fff;font-size:20px;letter-spacing:.02em}
.nav-links{display:flex;gap:22px;flex-wrap:wrap}
.nav-links a{color:#C7CDD6;font-size:14.5px;font-weight:600}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:#fff}
.call-btn{background:var(--royal);color:#fff;padding:9px 16px;font-weight:700;font-size:14.5px}

/* ---------- Placeholder banner ---------- */
.stage{background:var(--royal-deep);color:#fff;text-align:center;padding:8px 16px;font-size:12px;font-weight:600}

/* ---------- Content ---------- */
main{padding:64px 0 80px;min-height:50vh}
h1{font-size:clamp(30px,5vw,52px);margin-bottom:16px}
.lead{font-size:18px;max-width:60ch;color:var(--muted)}
.tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--royal);margin-bottom:14px}
.build{margin-top:40px;padding-top:20px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}

/* ---------- Footer ---------- */
footer{background:var(--black);color:#9AA5B2;border-top:4px solid var(--royal);padding:40px 0;font-size:13.5px}
footer a:hover{color:#fff}
.legal{margin-top:16px;font-size:11.5px;color:#66717E;line-height:1.7}