/* ==========================================================
   SUAS — Shared theme (all pages)
   Tokens, base, type, buttons, header, footer.
   Header + footer markup is injected by layout.js.
   Load order: theme.css, then the page stylesheet
   (home.css on index, pages.css on the other pages).
   ========================================================== */
:root{
  /* Warm concrete + amber */
  --bg:#f6f3ee;
  --bg-alt:#ebe6dd;
  --text:#1e1b17;
  --text-muted:#6b655c;
  --line:#ddd6ca;
  --accent:#c85f05;
  --accent-hover:#a94d00;        /* also the fill behind white text: 5.6:1 */
  --accent-press:#8a3e00;        /* hover for white-text fills: 7.6:1 */
  --accent-tint:#fbe6cf;
  --accent-on-dark:#ff9a3d;
  --dark:#1e1b17;
  --dark-2:#2a2621;
  --dark-3:#38322b;
  --text-on-dark:#f3eee7;
  --text-on-dark-muted:#b9b0a3;
  --robot:#aeb8c4;
  --robot-dark:#7d8896;
  --yellow:#f7c21b;              /* worker's hard hat only */
  --green:#1fb877;
  --red:#ff5c47;

  /* Older names, re-pointed so home.css and pages.css keep working */
  --ink:#161310;
  --navy:var(--dark);
  --navy-2:var(--dark-2);
  --navy-3:var(--dark-3);
  --blue:var(--accent);
  --blue-2:var(--accent-on-dark);
  --blue-tint:var(--accent-tint);
  --paper:var(--bg);
  --mist:var(--bg-alt);
  --txt:var(--text);
  --txt-2:var(--text-muted);
  --inv:var(--text-on-dark);
  --inv-2:var(--text-on-dark-muted);
  --line-inv:rgba(255,255,255,.13);

  --f-display:'Archivo','Arial Narrow',Arial,sans-serif;
  --f-body:'IBM Plex Sans',system-ui,-apple-system,'Segoe UI',sans-serif;

  --maxw:1240px;
  --pad:clamp(20px,4vw,48px);
  --hdr:72px;
  --ease:cubic-bezier(.4,0,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--hdr) + 8px)}
body{margin:0;font:400 1rem/1.6 var(--f-body);color:var(--txt);background:var(--paper);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul,figure{margin:0}
ul{padding:0;list-style:none}
button{font:inherit;color:inherit}
[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--blue-2);outline-offset:3px;border-radius:4px}

.sprite{position:absolute;width:0;height:0;overflow:hidden}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.ic{width:1.25em;height:1.25em;flex:none;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}

/* ---------- Type ---------- */
.eyebrow{font:600 .78rem/1.3 var(--f-body);letter-spacing:.14em;text-transform:uppercase;color:var(--accent-hover);margin-bottom:18px}
.display{font:800 clamp(1.8rem,3.1vw,2.7rem)/1.06 var(--f-display);font-stretch:100%;text-transform:uppercase;letter-spacing:-.005em}
.hl{color:var(--accent-hover)}
.lede{font-size:clamp(1rem,1.25vw,1.12rem);color:var(--txt-2);max-width:52ch;margin-top:20px}
.head{max-width:760px}
.head--center{margin:0 auto;text-align:center}
.head--center .lede{margin-inline:auto}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 24px;border-radius:999px;border:1.5px solid transparent;font:600 .95rem/1 var(--f-body);cursor:pointer;transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease)}
.btn .ic{width:1.1em;height:1.1em;transition:transform .2s var(--ease)}
.btn:hover .ic{transform:translateX(3px)}
.btn:disabled{opacity:.6;cursor:default}
.btn--blue{background:var(--accent-hover);color:#fff}
.btn--blue:hover{background:var(--accent-press)}
.btn--line{border-color:var(--navy);color:var(--navy)}
.btn--line:hover{background:var(--navy);color:#fff}
.btn--line-inv{border-color:rgba(255,255,255,.5);color:#fff}
.btn--line-inv:hover{background:#fff;color:var(--navy)}
.btn--sm{padding:11px 18px;font-size:.88rem}

/* ==========================================================
   Header
   Default (index): fixed + transparent over the dark hero,
   turns solid after scrolling. .hdr--solid (inner pages):
   sticky and always solid, so it takes up its own space.
   ========================================================== */
.hdr{position:fixed;inset:0 0 auto 0;z-index:100;height:var(--hdr);color:#fff;transition:background .25s var(--ease),border-color .25s var(--ease);border-bottom:1px solid transparent}
.hdr.is-solid,.hdr--solid{background:color-mix(in srgb,var(--ink) 96%,transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom-color:var(--line-inv)}
.hdr--solid{position:sticky;top:0}
.hdr__in{height:100%;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font:800 1.35rem/1 var(--f-display);font-stretch:110%;letter-spacing:.01em}
.brand__logo{display:block;width:auto;height:36px;flex:none}
.nav{display:flex;justify-content:flex-end;gap:2px}
.nav__a{padding:10px 14px;border-radius:999px;font-size:.93rem;font-weight:500;color:rgba(255,255,255,.78);white-space:nowrap;transition:color .2s,background .2s}
.nav__a:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav__a.is-active,.nav__a.is-active:hover{color:var(--text);background:var(--accent-tint)}
.burger{display:none;width:44px;height:44px;border:0;border-radius:10px;background:rgba(255,255,255,.08);cursor:pointer;position:relative}
.burger span{position:absolute;left:12px;right:12px;height:2px;background:#fff;border-radius:2px;transition:transform .25s var(--ease),opacity .2s}
.burger span:nth-child(1){top:15px}.burger span:nth-child(2){top:21px}.burger span:nth-child(3){top:27px}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ==========================================================
   Footer
   ========================================================== */
.ftr{position:relative;z-index:2;background:var(--ink);color:var(--inv-2);padding:56px 0 28px;border-top:1px solid var(--line-inv);font-size:.92rem}
.ftr__g{display:grid;grid-template-columns:1.1fr .7fr 1.1fr 1.5fr;gap:40px}
.ftr .brand{color:#fff;margin-bottom:14px}
.ftr h4{font:700 .78rem/1 var(--f-body);letter-spacing:.14em;text-transform:uppercase;color:#fff;margin-bottom:16px}
.ftr nav{display:grid;gap:10px}
.ftr a:hover{color:#fff}
.ftr address{font-style:normal;display:grid;gap:8px}
.ftr__c{margin-top:40px;padding-top:20px;border-top:1px solid var(--line-inv);font-size:.82rem}

/* "Get in touch" form card */
.ftr__form{background:var(--navy-2);border:1px solid var(--line-inv);border-radius:16px;padding:24px}
.ftr__form h4{margin-bottom:18px}
.ftr__form form{display:grid;gap:12px}
.ftr__row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.ftr__form label{display:grid;gap:6px;font-size:.76rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--inv-2)}
.ftr__form input,.ftr__form textarea{width:100%;min-width:0;padding:11px 13px;border:1px solid rgba(255,255,255,.16);border-radius:10px;background:rgba(255,255,255,.05);color:#fff;font:400 .92rem/1.4 var(--f-body);letter-spacing:0;text-transform:none;resize:none;transition:border-color .2s var(--ease),background .2s var(--ease)}
.ftr__form input:focus,.ftr__form textarea:focus{outline:none;border-color:var(--blue-2);background:rgba(255,255,255,.08)}
.ftr__form .btn{justify-self:start}
.ftr__status{min-height:1.2em;font-size:.84rem;color:var(--inv)}
.ftr__status:empty{display:none}

/* ==========================================================
   Responsive (header + footer)
   ========================================================== */
@media (max-width:1100px){
  .ftr__g{grid-template-columns:1fr 1fr}
}
@media (max-width:980px){
  .hdr__in{grid-template-columns:1fr auto}
  .burger{display:block}
  .nav{position:fixed;inset:var(--hdr) 0 auto 0;flex-direction:column;align-items:stretch;gap:2px;padding:14px var(--pad) 22px;background:var(--ink);border-bottom:1px solid var(--line-inv);transform:translateY(-12px);opacity:0;visibility:hidden;transition:opacity .2s,transform .2s,visibility .2s}
  .nav.is-open{opacity:1;visibility:visible;transform:none}
  .nav__a{padding:14px 12px;font-size:1rem;border-radius:10px}
  /* no backdrop-filter while open: it lets page content bleed through the panel */
  .hdr.menu-open{background:var(--ink);-webkit-backdrop-filter:none;backdrop-filter:none}
}
@media (max-width:640px){
  .ftr__g{grid-template-columns:1fr}
  .ftr__row{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important;transition-delay:0s!important}
}