/* HVAC Monthly — Design System (round 3)
   Single source of truth for brand tokens + components.
   Used to render every mockup, and intended as the foundation for the real build. */

@font-face{font-family:'Inter';src:url('fonts/w/Inter-Regular.woff2') format('woff2');font-weight:400;font-display:block;}
@font-face{font-family:'Inter';src:url('fonts/w/Inter-Medium.woff2') format('woff2');font-weight:500;font-display:block;}
@font-face{font-family:'Inter';src:url('fonts/w/Inter-SemiBold.woff2') format('woff2');font-weight:600;font-display:block;}
@font-face{font-family:'Inter';src:url('fonts/w/Inter-Bold.woff2') format('woff2');font-weight:700;font-display:block;}
@font-face{font-family:'Inter';src:url('fonts/w/Inter-ExtraBold.woff2') format('woff2');font-weight:800;font-display:block;}
@font-face{font-family:'Inter Display';src:url('fonts/w/InterDisplay-SemiBold.woff2') format('woff2');font-weight:600;font-display:block;}
@font-face{font-family:'Inter Display';src:url('fonts/w/InterDisplay-Bold.woff2') format('woff2');font-weight:700;font-display:block;}
@font-face{font-family:'Inter Display';src:url('fonts/w/InterDisplay-ExtraBold.woff2') format('woff2');font-weight:800;font-display:block;}
@font-face{font-family:'Inter Display';src:url('fonts/w/InterDisplay-Black.woff2') format('woff2');font-weight:900;font-display:block;}

:root{
  /* Brand palette */
  --teal-900:#0C1B1A;
  --teal-700:#0F5C5A;   /* primary brand */
  --teal-600:#157A77;
  --teal-100:#E3F1F0;
  --teal-50:#F2F8F7;
  --gold-500:#F2B705;   /* accent */
  --gold-100:#FCEFC6;
  --ink:#0C1B1A;
  --ink-2:#3A4A49;
  --ink-3:#6B7A79;
  --line:#E4EAE9;
  --paper:#FBF8F2;      /* warm canvas */
  --white:#FFFFFF;
  --good:#1E9E6A;
  --shadow: 0 18px 50px -18px rgba(12,27,26,.28);
  --shadow-sm: 0 4px 18px -8px rgba(12,27,26,.22);
  --radius:18px;
  --radius-lg:26px;
  --font: 'Inter','Inter Display',-apple-system,system-ui,sans-serif;
  --display: 'Inter Display','Inter',sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0;}
html,body{font-family:var(--font);color:var(--ink);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;}

/* ---- Browser chrome frame (mockup shell) ---- */
.frame{width:1200px;background:var(--paper);}
.chrome{height:44px;display:flex;align-items:center;gap:8px;padding:0 16px;background:#ECECEC;border-bottom:1px solid #DadADA;}
.dot{width:12px;height:12px;border-radius:50%;}
.dot.r{background:#FF5F57;}.dot.y{background:#FEBC2E;}.dot.g{background:#28C840;}
.omni{flex:1;height:26px;background:#fff;border-radius:8px;margin:0 14px;display:flex;align-items:center;justify-content:center;color:#7c7c7c;font-size:12.5px;border:1px solid #e3e3e3;}
.omni svg{width:11px;height:11px;margin-right:6px;opacity:.6;}

/* ---- Top nav (identical on every page) ---- */
.nav{display:flex;align-items:center;justify-content:space-between;padding:22px 40px;}
.brand{display:flex;align-items:center;gap:11px;}
.brand .mk{width:38px;height:38px;border-radius:12px;background:var(--teal-700);display:flex;align-items:center;justify-content:center;flex:0 0 auto;}
.brand .mk svg{width:24px;height:24px;}
.brand .wm{font-family:var(--display);font-weight:800;font-size:21px;letter-spacing:-.5px;color:var(--ink);}
.brand .wm span{color:var(--teal-700);font-weight:600;}
.navlinks{display:flex;gap:30px;align-items:center;}
.navlinks a{color:var(--ink-2);text-decoration:none;font-weight:500;font-size:15.5px;}
.navlinks a.cta{color:var(--teal-700);font-weight:600;}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:var(--font);font-weight:700;border:none;border-radius:14px;cursor:pointer;font-size:17px;line-height:1;}
.btn-primary{background:var(--cta-700,var(--teal-700));color:#fff;padding:18px 26px;box-shadow:0 10px 24px -10px rgba(15,92,90,.7);}
.btn-cta{background:var(--cta-700,var(--teal-700));color:#fff;padding:18px 28px;border-radius:999px;}
.btn-gold{background:var(--gold-500);color:var(--teal-900);padding:18px 26px;box-shadow:0 10px 24px -10px rgba(242,183,5,.7);}
.btn-ghost{background:#fff;color:var(--teal-700);border:1.5px solid var(--line);padding:16px 24px;}
.btn-lg{font-size:19px;padding:20px 30px;}

/* ---- Stepper (shared) ---- */
.stepper{display:flex;align-items:center;justify-content:center;gap:0;padding:30px 0 6px;}
.step{display:flex;flex-direction:column;align-items:center;gap:9px;position:relative;width:150px;}
.step .num{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;background:#fff;border:2px solid var(--line);color:var(--ink-3);}
.step .lab{font-size:14px;color:var(--ink-3);font-weight:500;}
.step.done .num{background:var(--teal-700);border-color:var(--teal-700);color:#fff;}
.step.active .num{background:var(--teal-900);border-color:var(--teal-900);color:#fff;}
.step.done .lab,.step.active .lab{color:var(--ink);font-weight:600;}
.seg{height:2px;flex:1;background:var(--line);min-width:40px;margin-top:-22px;}
.seg.done{background:var(--teal-700);}

/* ---- Cards ---- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);}

/* pill / badge */
.pill{display:inline-flex;align-items:center;gap:8px;background:var(--teal-50);color:var(--teal-700);border:1px solid var(--teal-100);font-weight:600;font-size:13.5px;padding:7px 13px;border-radius:999px;}
.pill svg{width:14px;height:14px;}
.tag-gold{background:var(--gold-100);color:#7a5d00;border-color:#f3e2a8;}

footer.trust{display:flex;gap:26px;justify-content:center;align-items:center;color:var(--ink-3);font-size:14.5px;font-weight:500;padding:18px 0 26px;}
footer.trust .d{width:4px;height:4px;border-radius:50%;background:#cdd6d5;}